? rtnl_setlink+0x480/0x480 [ 46.619354][ T380] rtnetlink_rcv_msg+0x9e9/0xca0 [ 46.624279][ T380] ? unwind_get_return_address+0x4d/0x90 [ 46.629892][ T380] ? rtnetlink_bind+0x80/0x80 [ 46.634553][ T380] ? stack_trace_save+0xa6/0xf0 [ 46.639391][ T380] ? stack_trace_snprint+0xe0/0xe0 [ 46.644485][ T380] ? avc_has_perm+0x168/0x3d0 [ 46.649156][ T380] ? memcpy+0x56/0x70 [ 46.649167][ T49] FAULT_INJECTION: forcing a failure. [ 46.649167][ T49] name failslab, interval 1, probability 1, space 0, times 923 [ 46.665863][ T380] ? avc_has_perm+0x27f/0x3d0 [ 46.670526][ T380] ? __kasan_slab_alloc+0xc9/0xe0 [ 46.675541][ T380] ? avc_has_perm_noaudit+0x260/0x260 [ 46.680897][ T380] ? selinux_nlmsg_lookup+0x37e/0x430 [ 46.686253][ T380] netlink_rcv_skb+0x1e9/0x430 [ 46.691023][ T380] ? rtnetlink_bind+0x80/0x80 [ 46.695683][ T380] ? netlink_ack+0xb30/0xb30 [ 46.700255][ T380] ? __netlink_lookup+0x387/0x3b0 [ 46.705258][ T380] rtnetlink_rcv+0x1c/0x20 [ 46.709656][ T380] netlink_unicast+0x86c/0xa30 [ 46.714402][ T380] netlink_sendmsg+0x949/0xb70 [ 46.719148][ T380] ? netlink_getsockopt+0x530/0x530 [ 46.724329][ T380] ? security_socket_sendmsg+0x82/0xa0 [ 46.729766][ T380] __sys_sendto+0x467/0x620 [ 46.734254][ T380] ? __ia32_sys_getpeername+0x90/0x90 [ 46.739613][ T380] __x64_sys_sendto+0xe5/0x100 [ 46.744356][ T380] do_syscall_64+0x31/0x40 [ 46.748751][ T380] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.754620][ T380] RIP: 0033:0x7fda00d49017 [ 46.759019][ T380] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 46.778616][ T380] RSP: 002b:00007fff8b5b01a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 46.787021][ T380] RAX: ffffffffffffffda RBX: 0000555574105500 RCX: 00007fda00d49017 [ 46.794980][ T380] RDX: 000000000000004c RSI: 00007fda01b44670 RDI: 0000000000000003 [ 46.802938][ T380] RBP: 0000000000000001 R08: 00007fff8b5b0204 R09: 000000000000000c [ 46.810890][ T380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 46.818866][ T380] R13: 0000000000000000 R14: 00007fda01b44670 R15: 0000000000000000 [ 46.826839][ T49] CPU: 0 PID: 49 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 46.834196][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.844236][ T49] Workqueue: writeback wb_workfn (flush-8:0) [ 46.850192][ T49] Call Trace: [ 46.853456][ T49] __dump_stack+0x21/0x24 [ 46.857764][ T49] dump_stack_lvl+0x1a7/0x208 [ 46.862417][ T49] ? show_regs_print_info+0x18/0x18 [ 46.867588][ T49] ? prandom_u32+0x24d/0x290 [ 46.872149][ T49] dump_stack+0x15/0x1c [ 46.876281][ T49] should_fail+0x3ab/0x500 [ 46.880671][ T49] ? mempool_alloc_slab+0x1d/0x30 [ 46.885675][ T49] __should_failslab+0xa4/0xe0 [ 46.890416][ T49] should_failslab+0x9/0x20 [ 46.894890][ T49] kmem_cache_alloc+0x3d/0x2d0 [ 46.899626][ T49] ? mempool_alloc_slab+0x1d/0x30 [ 46.904623][ T49] mempool_alloc_slab+0x1d/0x30 [ 46.909450][ T49] ? mempool_free+0x330/0x330 [ 46.914101][ T49] mempool_alloc+0x128/0x490 [ 46.918665][ T49] ? virtqueue_add+0x3541/0x4210 [ 46.923592][ T49] ? mempool_resize+0x880/0x880 [ 46.928417][ T49] sg_pool_alloc+0xb0/0xe0 [ 46.932807][ T49] __sg_alloc_table+0x1c1/0x6d0 [ 46.937630][ T49] sg_alloc_table_chained+0x8b/0x1e0 [ 46.942891][ T49] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 46.948416][ T49] scsi_alloc_sgtables+0x2a8/0x8c0 [ 46.953507][ T49] ? scsi_io_completion_action+0xd50/0xd50 [ 46.959286][ T49] sd_init_command+0x536/0x20f0 [ 46.964111][ T49] scsi_queue_rq+0x16a0/0x2730 [ 46.968865][ T49] blk_mq_dispatch_rq_list+0x946/0x1b30 [ 46.974392][ T49] ? blk_mq_dequeue_from_ctx+0x830/0x830 [ 46.980009][ T49] ? _raw_spin_unlock+0x4d/0x70 [ 46.984843][ T49] blk_mq_do_dispatch_sched+0x625/0xbb0 [ 46.990376][ T49] ? blk_mq_exit_sched+0x440/0x440 [ 46.995468][ T49] ? submit_bio_checks+0xd8b/0x1620 [ 47.000645][ T49] __blk_mq_sched_dispatch_requests+0x37c/0x460 [ 47.006862][ T49] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 47.013076][ T49] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 47.019120][ T49] __blk_mq_run_hw_queue+0x15a/0x270 [ 47.024377][ T49] __blk_mq_delay_run_hw_queue+0x171/0x5d0 [ 47.030157][ T49] ? sbitmap_any_bit_set+0x119/0x160 [ 47.035415][ T49] blk_mq_run_hw_queue+0x282/0x3a0 [ 47.040499][ T49] ? dd_finish_request+0x180/0x180 [ 47.045600][ T49] blk_mq_sched_insert_requests+0x1e0/0x350 [ 47.051482][ T49] blk_mq_flush_plug_list+0x4e5/0x6b0 [ 47.056840][ T49] ? blk_mq_insert_requests+0x550/0x550 [ 47.062362][ T49] ? dd_prepare_request+0xd/0x40 [ 47.067277][ T49] blk_flush_plug_list+0x404/0x450 [ 47.072366][ T49] ? disk_map_sector_rcu+0x2ce/0x5f0 [ 47.077625][ T49] ? blk_check_plugged+0x270/0x270 [ 47.082712][ T49] ? preempt_count_add+0x90/0x1b0 [ 47.087711][ T49] ? blk_account_io_start+0x275/0x2b0 [ 47.093053][ T49] blk_mq_submit_bio+0xa77/0x1820 [ 47.098054][ T49] ? submit_bio_noacct+0xe50/0xe50 [ 47.103137][ T49] ? blk_mq_try_issue_list_directly+0x490/0x490 [ 47.109351][ T49] ? free_unref_page_commit+0x2f0/0x2f0 [ 47.114868][ T49] submit_bio_noacct+0xb6e/0xe50 [ 47.119781][ T49] ? blk_put_request+0x20/0x20 [ 47.124520][ T49] ? lru_cache_disable+0xa0/0xa0 [ 47.129431][ T49] ? __pagevec_release+0x71/0xe0 [ 47.134342][ T49] ? mpage_release_unused_pages+0x50c/0x5d0 [ 47.140208][ T49] submit_bio+0x342/0x710 [ 47.144511][ T49] ? mpage_prepare_extent_to_map+0xcb0/0xcb0 [ 47.150465][ T49] ? submit_bio_checks+0x1620/0x1620 [ 47.155724][ T49] ext4_io_submit+0x15d/0x210 [ 47.160374][ T49] ext4_writepages+0xf61/0x2f00 [ 47.165201][ T49] ? ext4_readpage+0x220/0x220 [ 47.169942][ T49] ? sched_group_set_shares+0x480/0x480 [ 47.175461][ T49] ? ext4_readpage+0x220/0x220 [ 47.180198][ T49] do_writepages+0x12e/0x280 [ 47.184763][ T49] ? sched_clock+0x3a/0x40 [ 47.189154][ T49] ? __writepage+0x130/0x130 [ 47.193720][ T49] ? update_rq_clock+0xcb/0x670 [ 47.198546][ T49] ? __kasan_check_write+0x14/0x20 [ 47.203634][ T49] ? _raw_spin_lock+0x94/0xf0 [ 47.208295][ T49] __writeback_single_inode+0xd9/0xa30 [ 47.213730][ T49] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 47.219682][ T49] writeback_sb_inodes+0x96d/0x1680 [ 47.224855][ T49] ? queue_io+0x4b0/0x4b0 [ 47.229161][ T49] ? __kasan_check_write+0x14/0x20 [ 47.234247][ T49] ? __kasan_check_read+0x11/0x20 [ 47.239242][ T49] wb_writeback+0x4be/0xb80 [ 47.243717][ T49] ? wb_io_lists_depopulated+0x180/0x180 [ 47.249324][ T49] ? set_worker_desc+0x1ba/0x1f0 [ 47.254234][ T49] ? _raw_spin_trylock_bh+0x150/0x150 [ 47.259578][ T49] ? __kasan_check_write+0x14/0x20 [ 47.264667][ T49] ? cpumask_next+0x25/0x30 [ 47.269145][ T49] wb_workfn+0xa49/0xf30 [ 47.273361][ T49] ? inode_wait_for_writeback+0x220/0x220 [ 47.279053][ T49] ? __update_idle_core+0x280/0x280 [ 47.284225][ T49] ? finish_task_switch+0x12e/0x5a0 [ 47.289397][ T49] ? __switch_to_asm+0x3a/0x60 [ 47.294134][ T49] ? __kasan_check_read+0x11/0x20 [ 47.299130][ T49] ? read_word_at_a_time+0x12/0x20 [ 47.304214][ T49] ? strscpy+0x9b/0x290 [ 47.308341][ T49] process_one_work+0x6fd/0xbc0 [ 47.313164][ T49] worker_thread+0xa8e/0x13c0 [ 47.317818][ T49] kthread+0x324/0x3b0 [ 47.321863][ T49] ? worker_clr_flags+0x190/0x190 [ 47.326862][ T49] ? kthread_blkcg+0xd0/0xd0 [ 47.331423][ T49] ret_from_fork+0x1f/0x30 [ 47.336400][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 47.343167][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 47.346386][ T49] FAULT_INJECTION: forcing a failure. [ 47.346386][ T49] name failslab, interval 1, probability 1, space 0, times 921 [ 47.353211][ T95] Call Trace: [ 47.353235][ T95] __dump_stack+0x21/0x24 [ 47.353244][ T95] dump_stack_lvl+0x1a7/0x208 [ 47.353253][ T95] ? thaw_kernel_threads+0x220/0x220 [ 47.353263][ T95] ? show_regs_print_info+0x18/0x18 [ 47.353272][ T95] ? prandom_u32+0x24d/0x290 [ 47.353282][ T95] dump_stack+0x15/0x1c [ 47.353290][ T95] should_fail+0x3ab/0x500 [ 47.353308][ T95] ? anon_vma_fork+0x1ff/0x520 [ 47.367008][ T380] FAULT_INJECTION: forcing a failure. [ 47.367008][ T380] name failslab, interval 1, probability 1, space 0, times 921 [ 47.369293][ T95] __should_failslab+0xa4/0xe0 [ 47.369305][ T95] should_failslab+0x9/0x20 [ 47.369321][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 47.433141][ T95] ? anon_vma_fork+0xf8/0x520 [ 47.437802][ T95] anon_vma_fork+0x1ff/0x520 [ 47.442370][ T95] copy_mm+0x8f9/0x13d0 [ 47.446505][ T95] ? copy_signal+0x5f0/0x5f0 [ 47.451077][ T95] ? __init_rwsem+0xd5/0x1c0 [ 47.455647][ T95] ? copy_signal+0x4cc/0x5f0 [ 47.460223][ T95] copy_process+0x1386/0x3320 [ 47.464880][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 47.470056][ T95] ? __pidfd_prepare+0x150/0x150 [ 47.475003][ T95] ? __sock_set_mark+0x160/0x160 [ 47.479921][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 47.485704][ T95] kernel_clone+0x233/0x950 [ 47.490186][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 47.495709][ T95] ? create_io_thread+0x170/0x170 [ 47.500712][ T95] __x64_sys_clone+0x198/0x210 [ 47.505454][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 47.510459][ T95] ? debug_smp_processor_id+0x17/0x20 [ 47.515813][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 47.521861][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 47.527470][ T95] do_syscall_64+0x31/0x40 [ 47.531868][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.537740][ T95] RIP: 0033:0x7fd208431636 [ 47.542136][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 47.561720][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.570115][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 47.578069][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 47.586022][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 47.593978][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 47.601926][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.609889][ T380] CPU: 0 PID: 380 Comm: syz-executor Not tainted syzkaller #0 [ 47.615040][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 47.617337][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 47.625522][ T95] FAULT_INJECTION: forcing a failure. [ 47.625522][ T95] name failslab, interval 1, probability 1, space 0, times 920 [ 47.634443][ T380] Call Trace: [ 47.634464][ T380] __dump_stack+0x21/0x24 [ 47.634480][ T380] dump_stack_lvl+0x1a7/0x208 [ 47.659408][ T380] ? thaw_kernel_threads+0x220/0x220 [ 47.664672][ T380] ? show_regs_print_info+0x18/0x18 [ 47.669850][ T380] ? prandom_u32+0x24d/0x290 [ 47.674422][ T380] dump_stack+0x15/0x1c [ 47.678557][ T380] should_fail+0x3ab/0x500 [ 47.682957][ T380] ? kobject_uevent_env+0x271/0x700 [ 47.688139][ T380] __should_failslab+0xa4/0xe0 [ 47.692884][ T380] should_failslab+0x9/0x20 [ 47.697364][ T380] kmem_cache_alloc_trace+0x3a/0x2e0 [ 47.702627][ T380] kobject_uevent_env+0x271/0x700 [ 47.707633][ T380] kobject_uevent+0x1d/0x30 [ 47.712119][ T380] net_rx_queue_update_kobjects+0x1e9/0x410 [ 47.717996][ T380] netdev_register_kobject+0x23d/0x330 [ 47.723434][ T380] register_netdevice+0xdae/0x13a0 [ 47.728534][ T380] ? netif_stacked_transfer_operstate+0x220/0x220 [ 47.734928][ T380] ? rtnl_create_link+0x6e5/0x930 [ 47.739931][ T380] veth_newlink+0x696/0xb60 [ 47.744412][ T380] ? veth_validate+0x200/0x200 [ 47.749181][ T380] ? rtnl_create_link+0x6e5/0x930 [ 47.754198][ T380] ? veth_validate+0x200/0x200 [ 47.758953][ T380] rtnl_newlink+0x1307/0x1830 [ 47.763614][ T380] ? rtnl_setlink+0x480/0x480 [ 47.768278][ T380] ? memcpy+0x56/0x70 [ 47.772244][ T380] ? __kernel_text_address+0xa0/0x100 [ 47.777598][ T380] ? cap_capable+0x19c/0x220 [ 47.782167][ T380] ? __mutex_lock_slowpath+0xe/0x10 [ 47.787343][ T380] ? mutex_lock+0xdb/0xf0 [ 47.791651][ T380] ? mutex_trylock+0xb0/0xb0 [ 47.796217][ T380] ? ns_capable+0x8c/0xf0 [ 47.800529][ T380] ? netlink_net_capable+0x125/0x160 [ 47.805791][ T380] ? rtnl_setlink+0x480/0x480 [ 47.810453][ T380] rtnetlink_rcv_msg+0x9e9/0xca0 [ 47.815377][ T380] ? unwind_get_return_address+0x4d/0x90 [ 47.820988][ T380] ? rtnetlink_bind+0x80/0x80 [ 47.825644][ T380] ? stack_trace_save+0xa6/0xf0 [ 47.830476][ T380] ? stack_trace_snprint+0xe0/0xe0 [ 47.835572][ T380] ? avc_has_perm+0x168/0x3d0 [ 47.840226][ T380] ? memcpy+0x56/0x70 [ 47.844189][ T380] ? avc_has_perm+0x27f/0x3d0 [ 47.848843][ T380] ? __kasan_slab_alloc+0xc9/0xe0 [ 47.853845][ T380] ? avc_has_perm_noaudit+0x260/0x260 [ 47.859199][ T380] ? selinux_nlmsg_lookup+0x37e/0x430 [ 47.864546][ T380] netlink_rcv_skb+0x1e9/0x430 [ 47.869292][ T380] ? rtnetlink_bind+0x80/0x80 [ 47.873940][ T380] ? netlink_ack+0xb30/0xb30 [ 47.878502][ T380] ? __netlink_lookup+0x387/0x3b0 [ 47.883501][ T380] rtnetlink_rcv+0x1c/0x20 [ 47.887892][ T380] netlink_unicast+0x86c/0xa30 [ 47.892628][ T380] netlink_sendmsg+0x949/0xb70 [ 47.897364][ T380] ? netlink_getsockopt+0x530/0x530 [ 47.902537][ T380] ? security_socket_sendmsg+0x82/0xa0 [ 47.907966][ T380] __sys_sendto+0x467/0x620 [ 47.912442][ T380] ? __ia32_sys_getpeername+0x90/0x90 [ 47.917790][ T380] __x64_sys_sendto+0xe5/0x100 [ 47.922529][ T380] do_syscall_64+0x31/0x40 [ 47.926920][ T380] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.932783][ T380] RIP: 0033:0x7fda00d49017 [ 47.937174][ T380] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 47.956768][ T380] RSP: 002b:00007fff8b5b0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 47.965158][ T380] RAX: ffffffffffffffda RBX: 0000555574105500 RCX: 00007fda00d49017 [ 47.973105][ T380] RDX: 000000000000008c RSI: 00007fda01b44670 RDI: 0000000000000003 [ 47.981061][ T380] RBP: 0000000000000001 R08: 00007fff8b5b01b4 R09: 000000000000000c [ 47.989007][ T380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 47.996955][ T380] R13: 0000000000000000 R14: 00007fda01b44670 R15: 0000000000000000 [ 48.004959][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 48.005412][ T380] FAULT_INJECTION: forcing a failure. [ 48.005412][ T380] name failslab, interval 1, probability 1, space 0, times 919 [ 48.011718][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.011722][ T95] Call Trace: [ 48.011740][ T95] __dump_stack+0x21/0x24 [ 48.011749][ T95] dump_stack_lvl+0x1a7/0x208 [ 48.011766][ T95] ? thaw_kernel_threads+0x220/0x220 [ 48.051992][ T95] ? show_regs_print_info+0x18/0x18 [ 48.057173][ T95] ? prandom_u32+0x24d/0x290 [ 48.061752][ T95] dump_stack+0x15/0x1c [ 48.065905][ T95] should_fail+0x3ab/0x500 [ 48.070348][ T95] ? anon_vma_fork+0x1ff/0x520 [ 48.075118][ T95] __should_failslab+0xa4/0xe0 [ 48.079866][ T95] should_failslab+0x9/0x20 [ 48.084354][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 48.089101][ T95] ? anon_vma_fork+0xf8/0x520 [ 48.093761][ T95] anon_vma_fork+0x1ff/0x520 [ 48.098335][ T95] copy_mm+0x8f9/0x13d0 [ 48.102472][ T95] ? copy_signal+0x5f0/0x5f0 [ 48.107040][ T95] ? __init_rwsem+0xd5/0x1c0 [ 48.111610][ T95] ? copy_signal+0x4cc/0x5f0 [ 48.116178][ T95] copy_process+0x1386/0x3320 [ 48.120837][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 48.126016][ T95] ? __pidfd_prepare+0x150/0x150 [ 48.130934][ T95] ? __sock_set_mark+0x160/0x160 [ 48.135866][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 48.141650][ T95] kernel_clone+0x233/0x950 [ 48.146135][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 48.151666][ T95] ? create_io_thread+0x170/0x170 [ 48.156696][ T95] __x64_sys_clone+0x198/0x210 [ 48.161441][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 48.166449][ T95] ? debug_smp_processor_id+0x17/0x20 [ 48.171801][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 48.177845][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 48.183458][ T95] do_syscall_64+0x31/0x40 [ 48.187856][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.193725][ T95] RIP: 0033:0x7fd208431636 [ 48.198127][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 48.217714][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.226119][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 48.234073][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 48.242026][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 48.249982][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 48.257933][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.265894][ T380] CPU: 0 PID: 380 Comm: syz-executor Not tainted syzkaller #0 [ 48.267267][ T95] FAULT_INJECTION: forcing a failure. [ 48.267267][ T95] name failslab, interval 1, probability 1, space 0, times 918 [ 48.273335][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.273339][ T380] Call Trace: [ 48.273356][ T380] __dump_stack+0x21/0x24 [ 48.273364][ T380] dump_stack_lvl+0x1a7/0x208 [ 48.273381][ T380] ? show_regs_print_info+0x18/0x18 [ 48.313504][ T380] dump_stack+0x15/0x1c [ 48.317644][ T380] should_fail+0x3ab/0x500 [ 48.322042][ T380] ? kobject_uevent_env+0x271/0x700 [ 48.327220][ T380] __should_failslab+0xa4/0xe0 [ 48.331973][ T380] should_failslab+0x9/0x20 [ 48.336459][ T380] kmem_cache_alloc_trace+0x3a/0x2e0 [ 48.341725][ T380] kobject_uevent_env+0x271/0x700 [ 48.346730][ T380] kobject_uevent+0x1d/0x30 [ 48.351217][ T380] netdev_queue_update_kobjects+0x1a7/0x390 [ 48.357102][ T380] netdev_register_kobject+0x281/0x330 [ 48.362549][ T380] register_netdevice+0xdae/0x13a0 [ 48.367641][ T380] ? netif_stacked_transfer_operstate+0x220/0x220 [ 48.374121][ T380] ? rtnl_create_link+0x6e5/0x930 [ 48.379128][ T380] veth_newlink+0x696/0xb60 [ 48.383615][ T380] ? veth_validate+0x200/0x200 [ 48.388369][ T380] ? rtnl_create_link+0x6e5/0x930 [ 48.393372][ T380] ? veth_validate+0x200/0x200 [ 48.398118][ T380] rtnl_newlink+0x1307/0x1830 [ 48.402778][ T380] ? rtnl_setlink+0x480/0x480 [ 48.407442][ T380] ? memcpy+0x56/0x70 [ 48.411416][ T380] ? __kernel_text_address+0xa0/0x100 [ 48.416768][ T380] ? cap_capable+0x19c/0x220 [ 48.421335][ T380] ? __mutex_lock_slowpath+0xe/0x10 [ 48.426506][ T380] ? mutex_lock+0xdb/0xf0 [ 48.430812][ T380] ? mutex_trylock+0xb0/0xb0 [ 48.435375][ T380] ? ns_capable+0x8c/0xf0 [ 48.439691][ T380] ? netlink_net_capable+0x125/0x160 [ 48.444951][ T380] ? rtnl_setlink+0x480/0x480 [ 48.449616][ T380] rtnetlink_rcv_msg+0x9e9/0xca0 [ 48.454529][ T380] ? unwind_get_return_address+0x4d/0x90 [ 48.460135][ T380] ? rtnetlink_bind+0x80/0x80 [ 48.464787][ T380] ? stack_trace_save+0xa6/0xf0 [ 48.469612][ T380] ? stack_trace_snprint+0xe0/0xe0 [ 48.474698][ T380] ? avc_has_perm+0x168/0x3d0 [ 48.479354][ T380] ? memcpy+0x56/0x70 [ 48.483308][ T380] ? avc_has_perm+0x27f/0x3d0 [ 48.487959][ T380] ? __kasan_slab_alloc+0xc9/0xe0 [ 48.492957][ T380] ? avc_has_perm_noaudit+0x260/0x260 [ 48.498306][ T380] ? selinux_nlmsg_lookup+0x37e/0x430 [ 48.503671][ T380] netlink_rcv_skb+0x1e9/0x430 [ 48.508414][ T380] ? rtnetlink_bind+0x80/0x80 [ 48.513065][ T380] ? netlink_ack+0xb30/0xb30 [ 48.517627][ T380] ? __netlink_lookup+0x387/0x3b0 [ 48.522625][ T380] rtnetlink_rcv+0x1c/0x20 [ 48.527019][ T380] netlink_unicast+0x86c/0xa30 [ 48.531760][ T380] netlink_sendmsg+0x949/0xb70 [ 48.536502][ T380] ? netlink_getsockopt+0x530/0x530 [ 48.541673][ T380] ? security_socket_sendmsg+0x82/0xa0 [ 48.547107][ T380] __sys_sendto+0x467/0x620 [ 48.551601][ T380] ? __ia32_sys_getpeername+0x90/0x90 [ 48.556949][ T380] __x64_sys_sendto+0xe5/0x100 [ 48.561688][ T380] do_syscall_64+0x31/0x40 [ 48.566081][ T380] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.571946][ T380] RIP: 0033:0x7fda00d49017 [ 48.576339][ T380] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 48.596004][ T380] RSP: 002b:00007fff8b5b0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 48.604396][ T380] RAX: ffffffffffffffda RBX: 0000555574105500 RCX: 00007fda00d49017 [ 48.612344][ T380] RDX: 000000000000008c RSI: 00007fda01b44670 RDI: 0000000000000003 [ 48.620294][ T380] RBP: 0000000000000001 R08: 00007fff8b5b01b4 R09: 000000000000000c [ 48.628239][ T380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 48.636189][ T380] R13: 0000000000000000 R14: 00007fda01b44670 R15: 0000000000000000 [ 48.644199][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 48.650950][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.660984][ T95] Call Trace: [ 48.664263][ T95] __dump_stack+0x21/0x24 [ 48.668573][ T95] dump_stack_lvl+0x1a7/0x208 [ 48.673233][ T95] ? show_regs_print_info+0x18/0x18 [ 48.678413][ T95] dump_stack+0x15/0x1c [ 48.682553][ T95] should_fail+0x3ab/0x500 [ 48.686949][ T95] ? devkmsg_write+0x1ae/0x3a0 [ 48.691697][ T95] __should_failslab+0xa4/0xe0 [ 48.696446][ T95] should_failslab+0x9/0x20 [ 48.700929][ T95] __kmalloc+0x60/0x330 [ 48.705063][ T95] devkmsg_write+0x1ae/0x3a0 [ 48.709637][ T95] ? file_has_perm+0x52d/0x700 [ 48.714379][ T95] ? devkmsg_read+0x900/0x900 [ 48.719060][ T95] ? match_file+0x130/0x130 [ 48.723550][ T95] do_iter_readv_writev+0x477/0x5f0 [ 48.728726][ T95] ? generic_file_rw_checks+0x2a0/0x2a0 [ 48.734251][ T95] ? security_file_permission+0x83/0xa0 [ 48.739772][ T95] ? rw_verify_area+0x1c0/0x360 [ 48.744600][ T95] do_iter_write+0x175/0x5e0 [ 48.749169][ T95] vfs_writev+0x2a9/0x530 [ 48.753478][ T95] ? do_writev+0x2c0/0x2c0 [ 48.757876][ T95] ? __kasan_check_write+0x14/0x20 [ 48.762965][ T95] ? down_read_trylock+0x106/0x160 [ 48.768055][ T95] ? __init_rwsem+0x1c0/0x1c0 [ 48.772710][ T95] ? __kasan_check_read+0x11/0x20 [ 48.777714][ T95] ? __fdget_pos+0x1f7/0x380 [ 48.782284][ T95] do_writev+0x14e/0x2c0 [ 48.786508][ T95] ? do_readv+0x450/0x450 [ 48.790821][ T95] ? debug_smp_processor_id+0x17/0x20 [ 48.796170][ T95] __x64_sys_writev+0x7d/0x90 [ 48.800916][ T95] do_syscall_64+0x31/0x40 [ 48.805314][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.811190][ T95] RIP: 0033:0x7fd2083e7407 [ 48.815585][ T95] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 48.835171][ T95] RSP: 002b:00007ffccd133ce0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 48.843564][ T95] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 48.851513][ T95] RDX: 0000000000000005 RSI: 00007ffccd133da0 RDI: 0000000000000005 [ 48.859466][ T95] RBP: 00007ffccd133ed0 R08: 0000000000000000 R09: 0000000000000000 [ 48.867416][ T95] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffccd133da0 [ 48.875368][ T95] R13: 00007ffccd133e30 R14: 0000000000000000 R15: 00007ffccd133e10 [ 48.883329][ T49] CPU: 0 PID: 49 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 48.887196][ T95] FAULT_INJECTION: forcing a failure. [ 48.887196][ T95] name failslab, interval 1, probability 1, space 0, times 917 [ 48.890685][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.890700][ T49] Workqueue: writeback wb_workfn (flush-8:0) [ 48.890709][ T49] Call Trace: [ 48.890723][ T49] __dump_stack+0x21/0x24 [ 48.890733][ T49] dump_stack_lvl+0x1a7/0x208 [ 48.890741][ T49] ? show_regs_print_info+0x18/0x18 [ 48.890758][ T49] ? prandom_u32+0x24d/0x290 [ 48.904176][ T388] FAULT_INJECTION: forcing a failure. [ 48.904176][ T388] name failslab, interval 1, probability 1, space 0, times 917 [ 48.913520][ T49] dump_stack+0x15/0x1c [ 48.913529][ T49] should_fail+0x3ab/0x500 [ 48.913547][ T49] ? mempool_alloc_slab+0x1d/0x30 [ 48.967750][ T49] __should_failslab+0xa4/0xe0 [ 48.972510][ T49] should_failslab+0x9/0x20 [ 48.977005][ T49] kmem_cache_alloc+0x3d/0x2d0 [ 48.981757][ T49] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 48.987983][ T49] mempool_alloc_slab+0x1d/0x30 [ 48.992818][ T49] ? mempool_free+0x330/0x330 [ 48.997477][ T49] mempool_alloc+0x128/0x490 [ 49.002050][ T49] ? blk_mq_sched_dispatch_requests+0x14d/0x1c0 [ 49.008276][ T49] ? __blk_mq_run_hw_queue+0x18b/0x270 [ 49.013718][ T49] ? mempool_resize+0x880/0x880 [ 49.018553][ T49] ? sbitmap_any_bit_set+0x119/0x160 [ 49.023817][ T49] ? blk_mq_run_hw_queue+0x282/0x3a0 [ 49.029101][ T49] ? dd_finish_request+0x180/0x180 [ 49.034203][ T49] bio_alloc_bioset+0x196/0x570 [ 49.039039][ T49] bio_clone_fast+0x28/0x240 [ 49.043617][ T49] bio_split+0xbc/0x220 [ 49.047757][ T49] __blk_queue_split+0xff6/0x15a0 [ 49.052772][ T49] ? blk_end_sync_rq+0x50/0x50 [ 49.057522][ T49] ? preempt_count_add+0x90/0x1b0 [ 49.062528][ T49] blk_mq_submit_bio+0x1aa/0x1820 [ 49.067532][ T49] ? submit_bio_noacct+0xe50/0xe50 [ 49.072625][ T49] ? blk_mq_try_issue_list_directly+0x490/0x490 [ 49.078847][ T49] ? free_unref_page_commit+0x2f0/0x2f0 [ 49.084376][ T49] submit_bio_noacct+0xb6e/0xe50 [ 49.089298][ T49] ? blk_put_request+0x20/0x20 [ 49.094048][ T49] ? lru_cache_disable+0xa0/0xa0 [ 49.098965][ T49] ? __pagevec_release+0x71/0xe0 [ 49.103882][ T49] ? mpage_release_unused_pages+0x50c/0x5d0 [ 49.109759][ T49] submit_bio+0x342/0x710 [ 49.114072][ T49] ? mpage_prepare_extent_to_map+0xcb0/0xcb0 [ 49.120030][ T49] ? submit_bio_checks+0x1620/0x1620 [ 49.125299][ T49] ext4_io_submit+0x15d/0x210 [ 49.129957][ T49] ext4_writepages+0xf61/0x2f00 [ 49.134792][ T49] ? ext4_readpage+0x220/0x220 [ 49.139540][ T49] ? sched_group_set_shares+0x480/0x480 [ 49.145066][ T49] ? ext4_readpage+0x220/0x220 [ 49.149810][ T49] do_writepages+0x12e/0x280 [ 49.154383][ T49] ? sched_clock+0x3a/0x40 [ 49.158781][ T49] ? __writepage+0x130/0x130 [ 49.163352][ T49] ? update_rq_clock+0xcb/0x670 [ 49.168186][ T49] ? __kasan_check_write+0x14/0x20 [ 49.173278][ T49] ? _raw_spin_lock+0x94/0xf0 [ 49.177937][ T49] __writeback_single_inode+0xd9/0xa30 [ 49.183377][ T49] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 49.189342][ T49] writeback_sb_inodes+0x96d/0x1680 [ 49.194522][ T49] ? queue_io+0x4b0/0x4b0 [ 49.198834][ T49] ? __kasan_check_write+0x14/0x20 [ 49.203929][ T49] ? __kasan_check_read+0x11/0x20 [ 49.208936][ T49] wb_writeback+0x4be/0xb80 [ 49.213423][ T49] ? wb_io_lists_depopulated+0x180/0x180 [ 49.219038][ T49] ? set_worker_desc+0x1ba/0x1f0 [ 49.223956][ T49] ? _raw_spin_trylock_bh+0x150/0x150 [ 49.229310][ T49] ? __kasan_check_write+0x14/0x20 [ 49.234404][ T49] ? cpumask_next+0x25/0x30 [ 49.238891][ T49] wb_workfn+0xa49/0xf30 [ 49.243119][ T49] ? inode_wait_for_writeback+0x220/0x220 [ 49.248821][ T49] ? __update_idle_core+0x280/0x280 [ 49.254000][ T49] ? finish_task_switch+0x12e/0x5a0 [ 49.259179][ T49] ? __switch_to_asm+0x3a/0x60 [ 49.263925][ T49] ? __kasan_check_read+0x11/0x20 [ 49.268929][ T49] ? read_word_at_a_time+0x12/0x20 [ 49.274032][ T49] ? strscpy+0x9b/0x290 [ 49.278177][ T49] process_one_work+0x6fd/0xbc0 [ 49.283014][ T49] worker_thread+0xa8e/0x13c0 [ 49.287679][ T49] kthread+0x324/0x3b0 [ 49.291739][ T49] ? worker_clr_flags+0x190/0x190 [ 49.296744][ T49] ? kthread_blkcg+0xd0/0xd0 [ 49.301315][ T49] ret_from_fork+0x1f/0x30 [ 49.305721][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 49.312474][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.322507][ T95] Call Trace: [ 49.325785][ T95] __dump_stack+0x21/0x24 [ 49.330091][ T95] dump_stack_lvl+0x1a7/0x208 [ 49.334749][ T95] ? show_regs_print_info+0x18/0x18 [ 49.339921][ T95] ? prandom_u32+0x24d/0x290 [ 49.344486][ T95] dump_stack+0x15/0x1c [ 49.348618][ T95] should_fail+0x3ab/0x500 [ 49.353012][ T95] ? __alloc_skb+0x9e/0x520 [ 49.357493][ T95] __should_failslab+0xa4/0xe0 [ 49.362235][ T95] should_failslab+0x9/0x20 [ 49.366720][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 49.371461][ T95] __alloc_skb+0x9e/0x520 [ 49.375766][ T95] ? netlink_allowed+0xf0/0x140 [ 49.380592][ T95] netlink_sendmsg+0x693/0xb70 [ 49.385330][ T95] ? netlink_getsockopt+0x530/0x530 [ 49.390506][ T95] ? kasan_record_aux_stack_noalloc+0xb/0x10 [ 49.396477][ T95] ? security_socket_sendmsg+0x82/0xa0 [ 49.401911][ T95] ? netlink_getsockopt+0x530/0x530 [ 49.407084][ T95] ____sys_sendmsg+0x5be/0x8f0 [ 49.411828][ T95] ? __sys_sendmsg_sock+0x40/0x40 [ 49.416849][ T95] ? import_iovec+0x7c/0xb0 [ 49.421329][ T95] ___sys_sendmsg+0x236/0x2e0 [ 49.425982][ T95] ? __sys_sendmsg+0x280/0x280 [ 49.430727][ T95] ? __kasan_slab_free+0x11/0x20 [ 49.435641][ T95] ? __kasan_check_read+0x11/0x20 [ 49.440646][ T95] ? __fdget+0x15b/0x230 [ 49.444864][ T95] __x64_sys_sendmsg+0x201/0x2d0 [ 49.449779][ T95] ? ___sys_sendmsg+0x2e0/0x2e0 [ 49.454608][ T95] ? debug_smp_processor_id+0x17/0x20 [ 49.459958][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 49.466020][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 49.471626][ T95] do_syscall_64+0x31/0x40 [ 49.476018][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 49.481884][ T95] RIP: 0033:0x7fd2083e7407 [ 49.486276][ T95] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 49.505855][ T95] RSP: 002b:00007ffccd1348b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 49.514242][ T95] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 49.522192][ T95] RDX: 0000000000000000 RSI: 00007ffccd134910 RDI: 0000000000000004 [ 49.530141][ T95] RBP: 0000563aac6ca0b0 R08: 0000000000000000 R09: 0000000000000000 [ 49.538109][ T95] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000006f [ 49.546059][ T95] R13: 0000563aac478d80 R14: 0000000000000000 R15: 0000000000000000 [ 49.555242][ T380] FAULT_INJECTION: forcing a failure. [ 49.555242][ T380] name failslab, interval 1, probability 1, space 0, times 916 [ 49.568146][ T388] CPU: 1 PID: 388 Comm: udevd Not tainted syzkaller #0 [ 49.574983][ T388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.585040][ T388] Call Trace: [ 49.588329][ T388] __dump_stack+0x21/0x24 [ 49.592636][ T388] dump_stack_lvl+0x1a7/0x208 [ 49.597289][ T388] ? thaw_kernel_threads+0x220/0x220 [ 49.602551][ T388] ? show_regs_print_info+0x18/0x18 [ 49.607723][ T388] ? prandom_u32+0x24d/0x290 [ 49.612292][ T388] dump_stack+0x15/0x1c [ 49.616423][ T388] should_fail+0x3ab/0x500 [ 49.620816][ T388] ? do_epoll_create+0x109/0x340 [ 49.625729][ T388] __should_failslab+0xa4/0xe0 [ 49.630471][ T388] should_failslab+0x9/0x20 [ 49.634951][ T388] kmem_cache_alloc_trace+0x3a/0x2e0 [ 49.640208][ T388] do_epoll_create+0x109/0x340 [ 49.644948][ T388] __x64_sys_epoll_create1+0x37/0x40 [ 49.650219][ T388] do_syscall_64+0x31/0x40 [ 49.654612][ T388] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 49.660478][ T388] RIP: 0033:0x7fd208461827 [ 49.664873][ T388] Code: 73 01 c3 48 8b 0d d1 f5 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 23 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 f5 0c 00 f7 d8 64 89 01 48 [ 49.684457][ T388] RSP: 002b:00007ffccd134808 EFLAGS: 00000206 ORIG_RAX: 0000000000000123 [ 49.692850][ T388] RAX: ffffffffffffffda RBX: 0000563aac6cc2d0 RCX: 00007fd208461827 [ 49.700800][ T388] RDX: 0000000000000008 RSI: 00007ffccd134880 RDI: 0000000000080000 [ 49.708770][ T388] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000000000000000 [ 49.716718][ T388] R10: 0000000000080800 R11: 0000000000000206 R12: 0000563aac6c0c80 [ 49.724666][ T388] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 49.732657][ T380] CPU: 0 PID: 380 Comm: syz-executor Not tainted syzkaller #0 [ 49.733723][ T388] udevd[388]: error creating epoll fd: Cannot allocate memory [ 49.740100][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.740103][ T380] Call Trace: [ 49.740119][ T380] __dump_stack+0x21/0x24 [ 49.740134][ T380] dump_stack_lvl+0x1a7/0x208 [ 49.750438][ T95] udevd[95]: worker [384] did not accept message -105 (No buffer space available), kill it [ 49.757607][ T380] ? show_regs_print_info+0x18/0x18 [ 49.763129][ T95] FAULT_INJECTION: forcing a failure. [ 49.763129][ T95] name failslab, interval 1, probability 1, space 0, times 914 [ 49.765179][ T380] ? prandom_u32+0x24d/0x290 [ 49.802250][ T380] dump_stack+0x15/0x1c [ 49.806392][ T380] should_fail+0x3ab/0x500 [ 49.810791][ T380] ? __proc_create+0x376/0x8f0 [ 49.815539][ T380] __should_failslab+0xa4/0xe0 [ 49.820283][ T380] should_failslab+0x9/0x20 [ 49.824767][ T380] kmem_cache_alloc+0x3d/0x2d0 [ 49.829526][ T380] __proc_create+0x376/0x8f0 [ 49.834105][ T380] ? proc_symlink+0x1f0/0x1f0 [ 49.838767][ T380] proc_create_single_data+0xad/0x1c0 [ 49.844124][ T380] ? snmp6_register_dev+0x110/0x110 [ 49.849304][ T380] snmp6_register_dev+0xa6/0x110 [ 49.854224][ T380] ipv6_add_dev+0x5dd/0x10b0 [ 49.858805][ T380] addrconf_notify+0x582/0xea0 [ 49.863557][ T380] raw_notifier_call_chain+0x90/0x100 [ 49.868915][ T380] call_netdevice_notifiers+0x119/0x190 [ 49.874445][ T380] ? netdev_adjacent_rename_links+0x4d0/0x4d0 [ 49.880491][ T380] ? _raw_write_unlock_bh+0x2f/0x48 [ 49.885670][ T380] ? list_netdevice+0x3e6/0x4c0 [ 49.890503][ T380] register_netdevice+0x100a/0x13a0 [ 49.895684][ T380] ? netif_stacked_transfer_operstate+0x220/0x220 [ 49.902088][ T380] ? rtnl_create_link+0x6e5/0x930 [ 49.907112][ T380] veth_newlink+0x696/0xb60 [ 49.908435][ T49] FAULT_INJECTION: forcing a failure. [ 49.908435][ T49] name failslab, interval 1, probability 1, space 0, times 913 [ 49.911601][ T380] ? veth_validate+0x200/0x200 [ 49.911617][ T380] ? rtnl_create_link+0x6e5/0x930 [ 49.911627][ T380] ? veth_validate+0x200/0x200 [ 49.911636][ T380] rtnl_newlink+0x1307/0x1830 [ 49.911648][ T380] ? rtnl_setlink+0x480/0x480 [ 49.911668][ T380] ? __switch_to+0x53e/0x10a0 [ 49.952846][ T380] ? __kasan_check_write+0x14/0x20 [ 49.957952][ T380] ? finish_task_switch+0x1b7/0x5a0 [ 49.963133][ T380] ? switch_mm_irqs_off+0x752/0x990 [ 49.968315][ T380] ? __schedule+0xc0b/0x13e0 [ 49.972933][ T380] ? __kernel_text_address+0xa0/0x100 [ 49.978318][ T380] ? cap_capable+0x19c/0x220 [ 49.982897][ T380] ? __mutex_lock_slowpath+0xe/0x10 [ 49.988095][ T380] ? mutex_lock+0xdb/0xf0 [ 49.992419][ T380] ? mutex_trylock+0xb0/0xb0 [ 49.997004][ T380] ? ns_capable+0x8c/0xf0 [ 50.001326][ T380] ? netlink_net_capable+0x125/0x160 [ 50.006596][ T380] ? rtnl_setlink+0x480/0x480 [ 50.011261][ T380] rtnetlink_rcv_msg+0x9e9/0xca0 [ 50.016183][ T380] ? unwind_get_return_address+0x4d/0x90 [ 50.021813][ T380] ? rtnetlink_bind+0x80/0x80 [ 50.026479][ T380] ? stack_trace_save+0xa6/0xf0 [ 50.031319][ T380] ? stack_trace_snprint+0xe0/0xe0 [ 50.036421][ T380] ? avc_has_perm+0x168/0x3d0 [ 50.041228][ T380] ? memcpy+0x56/0x70 [ 50.045207][ T380] ? avc_has_perm+0x27f/0x3d0 [ 50.049881][ T380] ? __kasan_slab_alloc+0xc9/0xe0 [ 50.054914][ T380] ? avc_has_perm_noaudit+0x260/0x260 [ 50.060273][ T380] ? selinux_nlmsg_lookup+0x37e/0x430 [ 50.065646][ T380] netlink_rcv_skb+0x1e9/0x430 [ 50.070397][ T380] ? rtnetlink_bind+0x80/0x80 [ 50.075054][ T380] ? netlink_ack+0xb30/0xb30 [ 50.079624][ T380] ? __netlink_lookup+0x387/0x3b0 [ 50.084628][ T380] rtnetlink_rcv+0x1c/0x20 [ 50.089058][ T380] netlink_unicast+0x86c/0xa30 [ 50.093806][ T380] netlink_sendmsg+0x949/0xb70 [ 50.098551][ T380] ? netlink_getsockopt+0x530/0x530 [ 50.103733][ T380] ? security_socket_sendmsg+0x82/0xa0 [ 50.109184][ T380] __sys_sendto+0x467/0x620 [ 50.113686][ T380] ? __ia32_sys_getpeername+0x90/0x90 [ 50.119072][ T380] __x64_sys_sendto+0xe5/0x100 [ 50.123828][ T380] do_syscall_64+0x31/0x40 [ 50.128229][ T380] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 50.134101][ T380] RIP: 0033:0x7fda00d49017 [ 50.138513][ T380] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 50.158115][ T380] RSP: 002b:00007fff8b5b0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 50.166519][ T380] RAX: ffffffffffffffda RBX: 0000555574105500 RCX: 00007fda00d49017 [ 50.174474][ T380] RDX: 000000000000008c RSI: 00007fda01b44670 RDI: 0000000000000003 [ 50.182429][ T380] RBP: 0000000000000001 R08: 00007fff8b5b01b4 R09: 000000000000000c [ 50.190384][ T380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 50.198337][ T380] R13: 0000000000000000 R14: 00007fda01b44670 R15: 0000000000000000 [ 50.206305][ T49] CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 50.213667][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.223719][ T49] Workqueue: writeback wb_workfn (flush-8:0) [ 50.229685][ T49] Call Trace: [ 50.232960][ T49] __dump_stack+0x21/0x24 [ 50.237272][ T49] dump_stack_lvl+0x1a7/0x208 [ 50.241929][ T49] ? show_regs_print_info+0x18/0x18 [ 50.247109][ T49] ? prandom_u32+0x24d/0x290 [ 50.251680][ T49] dump_stack+0x15/0x1c [ 50.255817][ T49] should_fail+0x3ab/0x500 [ 50.260216][ T49] ? mempool_alloc_slab+0x1d/0x30 [ 50.265221][ T49] __should_failslab+0xa4/0xe0 [ 50.269966][ T49] should_failslab+0x9/0x20 [ 50.274451][ T49] kmem_cache_alloc+0x3d/0x2d0 [ 50.279200][ T49] ? mempool_alloc_slab+0x1d/0x30 [ 50.284204][ T49] mempool_alloc_slab+0x1d/0x30 [ 50.289035][ T49] ? mempool_free+0x330/0x330 [ 50.293701][ T49] mempool_alloc+0x128/0x490 [ 50.298277][ T49] ? virtqueue_add+0x3541/0x4210 [ 50.303329][ T49] ? mempool_resize+0x880/0x880 [ 50.308165][ T49] sg_pool_alloc+0xb0/0xe0 [ 50.312568][ T49] __sg_alloc_table+0x1c1/0x6d0 [ 50.317404][ T49] sg_alloc_table_chained+0x8b/0x1e0 [ 50.322673][ T49] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 50.328204][ T49] scsi_alloc_sgtables+0x2a8/0x8c0 [ 50.333300][ T49] ? scsi_io_completion_action+0xd50/0xd50 [ 50.339089][ T49] sd_init_command+0x536/0x20f0 [ 50.343922][ T49] scsi_queue_rq+0x16a0/0x2730 [ 50.348672][ T49] blk_mq_dispatch_rq_list+0x946/0x1b30 [ 50.354201][ T49] ? blk_mq_dequeue_from_ctx+0x830/0x830 [ 50.359820][ T49] ? _raw_spin_unlock+0x4d/0x70 [ 50.364648][ T49] blk_mq_do_dispatch_sched+0x625/0xbb0 [ 50.370172][ T49] ? blk_mq_exit_sched+0x440/0x440 [ 50.375270][ T49] ? submit_bio_checks+0xd8b/0x1620 [ 50.380446][ T49] __blk_mq_sched_dispatch_requests+0x37c/0x460 [ 50.386661][ T49] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 50.392876][ T49] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 50.398919][ T49] __blk_mq_run_hw_queue+0x15a/0x270 [ 50.404183][ T49] __blk_mq_delay_run_hw_queue+0x171/0x5d0 [ 50.409966][ T49] ? sbitmap_any_bit_set+0x119/0x160 [ 50.415228][ T49] blk_mq_run_hw_queue+0x282/0x3a0 [ 50.420315][ T49] ? dd_finish_request+0x180/0x180 [ 50.425401][ T49] blk_mq_sched_insert_requests+0x1e0/0x350 [ 50.431269][ T49] blk_mq_flush_plug_list+0x4e5/0x6b0 [ 50.436618][ T49] ? blk_mq_insert_requests+0x550/0x550 [ 50.442138][ T49] ? dd_prepare_request+0xd/0x40 [ 50.447056][ T49] blk_flush_plug_list+0x404/0x450 [ 50.452145][ T49] ? disk_map_sector_rcu+0x2ce/0x5f0 [ 50.457407][ T49] ? blk_check_plugged+0x270/0x270 [ 50.462498][ T49] ? preempt_count_add+0x90/0x1b0 [ 50.467502][ T49] ? blk_account_io_start+0x275/0x2b0 [ 50.472851][ T49] blk_mq_submit_bio+0xa77/0x1820 [ 50.477853][ T49] ? submit_bio_noacct+0xe50/0xe50 [ 50.482940][ T49] ? blk_mq_try_issue_list_directly+0x490/0x490 [ 50.489159][ T49] ? free_unref_page_commit+0x2f0/0x2f0 [ 50.494680][ T49] submit_bio_noacct+0xb6e/0xe50 [ 50.499593][ T49] ? blk_put_request+0x20/0x20 [ 50.504332][ T49] ? lru_cache_disable+0xa0/0xa0 [ 50.509248][ T49] ? __pagevec_release+0x71/0xe0 [ 50.514162][ T49] ? mpage_release_unused_pages+0x50c/0x5d0 [ 50.520031][ T49] submit_bio+0x342/0x710 [ 50.524335][ T49] ? mpage_prepare_extent_to_map+0xcb0/0xcb0 [ 50.530296][ T49] ? submit_bio_checks+0x1620/0x1620 [ 50.535560][ T49] ext4_io_submit+0x15d/0x210 [ 50.540223][ T49] ext4_writepages+0xf61/0x2f00 [ 50.545070][ T49] ? ext4_readpage+0x220/0x220 [ 50.549814][ T49] ? sched_group_set_shares+0x480/0x480 [ 50.555333][ T49] ? ext4_readpage+0x220/0x220 [ 50.560076][ T49] do_writepages+0x12e/0x280 [ 50.564642][ T49] ? sched_clock+0x3a/0x40 [ 50.569035][ T49] ? __writepage+0x130/0x130 [ 50.573601][ T49] ? update_rq_clock+0xcb/0x670 [ 50.578429][ T49] ? __kasan_check_write+0x14/0x20 [ 50.583517][ T49] ? _raw_spin_lock+0x94/0xf0 [ 50.588192][ T49] __writeback_single_inode+0xd9/0xa30 [ 50.593626][ T49] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 50.599581][ T49] writeback_sb_inodes+0x96d/0x1680 [ 50.604861][ T49] ? queue_io+0x4b0/0x4b0 [ 50.609170][ T49] ? __kasan_check_write+0x14/0x20 [ 50.614256][ T49] ? __kasan_check_read+0x11/0x20 [ 50.619257][ T49] wb_writeback+0x4be/0xb80 [ 50.623737][ T49] ? wb_io_lists_depopulated+0x180/0x180 [ 50.629479][ T49] ? set_worker_desc+0x1ba/0x1f0 [ 50.634403][ T49] ? _raw_spin_trylock_bh+0x150/0x150 [ 50.639758][ T49] ? __kasan_check_write+0x14/0x20 [ 50.644851][ T49] ? cpumask_next+0x25/0x30 [ 50.649335][ T49] wb_workfn+0xa49/0xf30 [ 50.653559][ T49] ? inode_wait_for_writeback+0x220/0x220 [ 50.659258][ T49] ? __update_idle_core+0x280/0x280 [ 50.664431][ T49] ? finish_task_switch+0x12e/0x5a0 [ 50.669604][ T49] ? __switch_to_asm+0x3a/0x60 [ 50.674344][ T49] ? __kasan_check_read+0x11/0x20 [ 50.679343][ T49] ? read_word_at_a_time+0x12/0x20 [ 50.684429][ T49] ? strscpy+0x9b/0x290 [ 50.688558][ T49] process_one_work+0x6fd/0xbc0 [ 50.693388][ T49] worker_thread+0xa8e/0x13c0 [ 50.698042][ T49] kthread+0x324/0x3b0 [ 50.702089][ T49] ? worker_clr_flags+0x190/0x190 [ 50.707088][ T49] ? kthread_blkcg+0xd0/0xd0 [ 50.711657][ T49] ret_from_fork+0x1f/0x30 [ 50.716294][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 50.723061][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.733125][ T95] Call Trace: [ 50.736417][ T95] __dump_stack+0x21/0x24 [ 50.740745][ T95] dump_stack_lvl+0x1a7/0x208 [ 50.745405][ T95] ? show_regs_print_info+0x18/0x18 [ 50.750584][ T95] ? prandom_u32+0x24d/0x290 [ 50.755153][ T95] dump_stack+0x15/0x1c [ 50.759288][ T95] should_fail+0x3ab/0x500 [ 50.763686][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 50.768429][ T95] __should_failslab+0xa4/0xe0 [ 50.773173][ T95] should_failslab+0x9/0x20 [ 50.777657][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 50.782396][ T95] anon_vma_clone+0xb7/0x4c0 [ 50.786969][ T95] anon_vma_fork+0x8f/0x520 [ 50.791449][ T95] copy_mm+0x8f9/0x13d0 [ 50.795583][ T95] ? copy_signal+0x5f0/0x5f0 [ 50.800156][ T95] ? __init_rwsem+0xd5/0x1c0 [ 50.804753][ T95] ? copy_signal+0x4cc/0x5f0 [ 50.809325][ T95] copy_process+0x1386/0x3320 [ 50.813981][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 50.819168][ T95] ? __pidfd_prepare+0x150/0x150 [ 50.824104][ T95] ? __sock_set_mark+0x160/0x160 [ 50.829025][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 50.834814][ T95] kernel_clone+0x233/0x950 [ 50.839294][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 50.844832][ T95] ? create_io_thread+0x170/0x170 [ 50.849845][ T95] __x64_sys_clone+0x198/0x210 [ 50.854599][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 50.859612][ T95] ? debug_smp_processor_id+0x17/0x20 [ 50.864963][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 50.871008][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 50.876616][ T95] do_syscall_64+0x31/0x40 [ 50.881035][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 50.886903][ T95] RIP: 0033:0x7fd208431636 [ 50.891298][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 50.910879][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.919268][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 50.927215][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 50.935167][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000000000000210 [ 50.943116][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 50.951154][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.959646][ T95] FAULT_INJECTION: forcing a failure. [ 50.959646][ T95] name failslab, interval 1, probability 1, space 0, times 910 [ 50.972477][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 50.979228][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.989282][ T95] Call Trace: [ 50.992547][ T95] __dump_stack+0x21/0x24 [ 50.996849][ T95] dump_stack_lvl+0x1a7/0x208 [ 51.001499][ T95] ? show_regs_print_info+0x18/0x18 [ 51.006676][ T95] ? prandom_u32+0x24d/0x290 [ 51.011252][ T95] dump_stack+0x15/0x1c [ 51.015386][ T95] should_fail+0x3ab/0x500 [ 51.019782][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 51.024523][ T95] __should_failslab+0xa4/0xe0 [ 51.029265][ T95] should_failslab+0x9/0x20 [ 51.033742][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 51.038475][ T95] anon_vma_clone+0xb7/0x4c0 [ 51.043039][ T95] anon_vma_fork+0x8f/0x520 [ 51.047515][ T95] copy_mm+0x8f9/0x13d0 [ 51.051644][ T95] ? copy_signal+0x5f0/0x5f0 [ 51.056204][ T95] ? __init_rwsem+0xd5/0x1c0 [ 51.060764][ T95] ? copy_signal+0x4cc/0x5f0 [ 51.065324][ T95] copy_process+0x1386/0x3320 [ 51.069975][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 51.075228][ T95] ? __pidfd_prepare+0x150/0x150 [ 51.080136][ T95] ? __sock_set_mark+0x160/0x160 [ 51.085046][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 51.090823][ T95] kernel_clone+0x233/0x950 [ 51.095298][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 51.100815][ T95] ? create_io_thread+0x170/0x170 [ 51.105811][ T95] __x64_sys_clone+0x198/0x210 [ 51.110546][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 51.115543][ T95] ? debug_smp_processor_id+0x17/0x20 [ 51.120887][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 51.126930][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 51.132532][ T95] do_syscall_64+0x31/0x40 [ 51.137011][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.142888][ T95] RIP: 0033:0x7fd208431636 [ 51.147287][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 51.166874][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.175264][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 51.183230][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 51.191176][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000000000000210 [ 51.199121][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 51.207063][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.215830][ T95] FAULT_INJECTION: forcing a failure. [ 51.215830][ T95] name failslab, interval 1, probability 1, space 0, times 909 [ 51.216055][ T134] FAULT_INJECTION: forcing a failure. [ 51.216055][ T134] name failslab, interval 1, probability 1, space 0, times 909 [ 51.228658][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 51.248096][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.258135][ T95] Call Trace: [ 51.261415][ T95] __dump_stack+0x21/0x24 [ 51.265726][ T95] dump_stack_lvl+0x1a7/0x208 [ 51.270385][ T95] ? show_regs_print_info+0x18/0x18 [ 51.275564][ T95] dump_stack+0x15/0x1c [ 51.279706][ T95] should_fail+0x3ab/0x500 [ 51.284104][ T95] ? __d_alloc+0x2d/0x690 [ 51.288415][ T95] __should_failslab+0xa4/0xe0 [ 51.293248][ T95] should_failslab+0x9/0x20 [ 51.297732][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 51.302475][ T95] ? security_transition_sid+0x7d/0x90 [ 51.307920][ T95] __d_alloc+0x2d/0x690 [ 51.312058][ T95] d_alloc_pseudo+0x1d/0x70 [ 51.316542][ T95] alloc_file_pseudo+0xe0/0x200 [ 51.321373][ T95] ? alloc_empty_file_noaccount+0x80/0x80 [ 51.327075][ T95] ? _raw_spin_unlock+0x4d/0x70 [ 51.331911][ T95] ? __alloc_fd+0x4c0/0x570 [ 51.336401][ T95] sock_alloc_file+0xba/0x260 [ 51.341061][ T95] __sys_socket+0x12b/0x190 [ 51.345548][ T95] __x64_sys_socket+0x7a/0x90 [ 51.350209][ T95] do_syscall_64+0x31/0x40 [ 51.354609][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.360480][ T95] RIP: 0033:0x7fd208462707 [ 51.364878][ T95] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 51.384468][ T95] RSP: 002b:00007ffccd1347d8 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 [ 51.392863][ T95] RAX: ffffffffffffffda RBX: 0000563aac6b6f90 RCX: 00007fd208462707 [ 51.400816][ T95] RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 [ 51.408771][ T95] RBP: 0000563aac4762c0 R08: 00007fd208531ac0 R09: 0000000000000210 [ 51.416723][ T95] R10: 0000000000000001 R11: 0000000000000286 R12: 00000000ffffffff [ 51.424674][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.432636][ T134] CPU: 0 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 51.433722][ T95] FAULT_INJECTION: forcing a failure. [ 51.433722][ T95] name failslab, interval 1, probability 1, space 0, times 908 [ 51.439561][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.439566][ T134] Call Trace: [ 51.439582][ T134] __dump_stack+0x21/0x24 [ 51.439592][ T134] dump_stack_lvl+0x1a7/0x208 [ 51.439602][ T134] ? show_regs_print_info+0x18/0x18 [ 51.439617][ T134] ? prandom_u32+0x24d/0x290 [ 51.452713][ T380] FAULT_INJECTION: forcing a failure. [ 51.452713][ T380] name failslab, interval 1, probability 1, space 0, times 908 [ 51.462374][ T134] dump_stack+0x15/0x1c [ 51.462382][ T134] should_fail+0x3ab/0x500 [ 51.462399][ T134] ? kvmalloc_node+0x88/0x130 [ 51.510198][ T134] __should_failslab+0xa4/0xe0 [ 51.514948][ T134] should_failslab+0x9/0x20 [ 51.519427][ T134] __kmalloc+0x60/0x330 [ 51.523580][ T134] kvmalloc_node+0x88/0x130 [ 51.528065][ T134] proc_sys_call_handler+0x3b0/0x790 [ 51.533327][ T134] ? avc_policy_seqno+0x1b/0x70 [ 51.538152][ T134] ? proc_sys_open+0x280/0x280 [ 51.542890][ T134] ? fsnotify_perm+0x66/0x4a0 [ 51.547546][ T134] proc_sys_write+0x22/0x30 [ 51.552022][ T134] vfs_write+0x770/0xd70 [ 51.556239][ T134] ? kernel_write+0x3c0/0x3c0 [ 51.560892][ T134] ? __kasan_check_read+0x11/0x20 [ 51.565893][ T134] ? __fdget_pos+0x2d9/0x380 [ 51.570464][ T134] ksys_write+0x14a/0x260 [ 51.574769][ T134] ? __ia32_sys_read+0x90/0x90 [ 51.579507][ T134] ? ____fput+0x15/0x20 [ 51.583643][ T134] ? debug_smp_processor_id+0x17/0x20 [ 51.588994][ T134] __x64_sys_write+0x7b/0x90 [ 51.593559][ T134] do_syscall_64+0x31/0x40 [ 51.597950][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.603815][ T134] RIP: 0033:0x7f2097155407 [ 51.608209][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 51.627788][ T134] RSP: 002b:00007fff24019ed0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 51.636186][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 51.644136][ T134] RDX: 0000000000000002 RSI: 00007fff2402a159 RDI: 0000000000000016 [ 51.652095][ T134] RBP: 00007fff2402a159 R08: 0000000000000000 R09: 0000000000000000 [ 51.660078][ T134] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 51.668035][ T134] R13: 00007f20970cb6c8 R14: 000000000000002b R15: 00007fff2402a158 [ 51.676046][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 51.682801][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.692844][ T95] Call Trace: [ 51.696124][ T95] __dump_stack+0x21/0x24 [ 51.700439][ T95] dump_stack_lvl+0x1a7/0x208 [ 51.705098][ T95] ? thaw_kernel_threads+0x220/0x220 [ 51.710366][ T95] ? show_regs_print_info+0x18/0x18 [ 51.715544][ T95] ? prandom_u32+0x24d/0x290 [ 51.720113][ T95] dump_stack+0x15/0x1c [ 51.724248][ T95] should_fail+0x3ab/0x500 [ 51.728645][ T95] ? vm_area_dup+0x26/0x250 [ 51.733133][ T95] __should_failslab+0xa4/0xe0 [ 51.737914][ T95] should_failslab+0x9/0x20 [ 51.742405][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 51.747152][ T95] ? __kasan_check_read+0x11/0x20 [ 51.752162][ T95] vm_area_dup+0x26/0x250 [ 51.756472][ T95] copy_mm+0x857/0x13d0 [ 51.760612][ T95] ? copy_signal+0x5f0/0x5f0 [ 51.765189][ T95] ? __init_rwsem+0xd5/0x1c0 [ 51.769761][ T95] ? copy_signal+0x4cc/0x5f0 [ 51.774332][ T95] copy_process+0x1386/0x3320 [ 51.778993][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 51.784169][ T95] ? __pidfd_prepare+0x150/0x150 [ 51.789088][ T95] ? __sock_set_mark+0x160/0x160 [ 51.794012][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 51.799803][ T95] kernel_clone+0x233/0x950 [ 51.804292][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 51.809820][ T95] ? create_io_thread+0x170/0x170 [ 51.814824][ T95] __x64_sys_clone+0x198/0x210 [ 51.819573][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 51.824580][ T95] ? debug_smp_processor_id+0x17/0x20 [ 51.829935][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 51.835985][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 51.841600][ T95] do_syscall_64+0x31/0x40 [ 51.846000][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.851879][ T95] RIP: 0033:0x7fd208431636 [ 51.856277][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 51.875860][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.884263][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 51.892235][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 51.900191][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 51.908145][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 51.916099][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.924070][ T380] CPU: 0 PID: 380 Comm: syz-executor Not tainted syzkaller #0 [ 51.925687][ T391] FAULT_INJECTION: forcing a failure. [ 51.925687][ T391] name failslab, interval 1, probability 1, space 0, times 907 [ 51.931518][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.931522][ T380] Call Trace: [ 51.931538][ T380] __dump_stack+0x21/0x24 [ 51.931547][ T380] dump_stack_lvl+0x1a7/0x208 [ 51.931563][ T380] ? show_regs_print_info+0x18/0x18 [ 51.971716][ T380] dump_stack+0x15/0x1c [ 51.975861][ T380] should_fail+0x3ab/0x500 [ 51.980265][ T380] ? netlink_sendmsg+0x693/0xb70 [ 51.985214][ T380] __should_failslab+0xa4/0xe0 [ 51.989976][ T380] should_failslab+0x9/0x20 [ 51.994463][ T380] __kmalloc_track_caller+0x5f/0x310 [ 51.999736][ T380] ? kmem_cache_alloc+0x15a/0x2d0 [ 52.004747][ T380] ? __alloc_skb+0x9e/0x520 [ 52.009234][ T380] ? netlink_sendmsg+0x693/0xb70 [ 52.014154][ T380] __alloc_skb+0xdc/0x520 [ 52.018464][ T380] netlink_sendmsg+0x693/0xb70 [ 52.023210][ T380] ? netlink_getsockopt+0x530/0x530 [ 52.028391][ T380] ? security_socket_sendmsg+0x82/0xa0 [ 52.033837][ T380] __sys_sendto+0x467/0x620 [ 52.038322][ T380] ? __ia32_sys_getpeername+0x90/0x90 [ 52.043680][ T380] ? ____fput+0x15/0x20 [ 52.047825][ T380] __x64_sys_sendto+0xe5/0x100 [ 52.052576][ T380] do_syscall_64+0x31/0x40 [ 52.056975][ T380] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.062848][ T380] RIP: 0033:0x7fda00d49017 [ 52.067246][ T380] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 52.086838][ T380] RSP: 002b:00007fff8b5b0120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 52.095234][ T380] RAX: ffffffffffffffda RBX: 0000555574105500 RCX: 00007fda00d49017 [ 52.103186][ T380] RDX: 0000000000000028 RSI: 00007fda01b44670 RDI: 0000000000000003 [ 52.111139][ T380] RBP: 0000000000000001 R08: 00007fff8b5b0184 R09: 000000000000000c [ 52.119092][ T380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 52.127043][ T380] R13: 0000000000000000 R14: 00007fda01b44670 R15: 0000000000000000 [ 52.135007][ T391] CPU: 1 PID: 391 Comm: dhcpcd Not tainted syzkaller #0 [ 52.137360][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 52.141931][ T391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.141935][ T391] Call Trace: [ 52.141953][ T391] __dump_stack+0x21/0x24 [ 52.141962][ T391] dump_stack_lvl+0x1a7/0x208 [ 52.141971][ T391] ? show_regs_print_info+0x18/0x18 [ 52.141988][ T391] ? prandom_u32+0x24d/0x290 [ 52.150584][ T95] FAULT_INJECTION: forcing a failure. [ 52.150584][ T95] name failslab, interval 1, probability 1, space 0, times 905 [ 52.159109][ T391] dump_stack+0x15/0x1c [ 52.159118][ T391] should_fail+0x3ab/0x500 [ 52.159129][ T391] ? load_elf_binary+0x1b7f/0x2910 [ 52.159139][ T391] __should_failslab+0xa4/0xe0 [ 52.159156][ T391] should_failslab+0x9/0x20 [ 52.216626][ T391] kmem_cache_alloc_trace+0x3a/0x2e0 [ 52.221894][ T391] ? would_dump+0x63/0x230 [ 52.226302][ T391] load_elf_binary+0x1b7f/0x2910 [ 52.231221][ T391] ? __kernel_read+0x77b/0x9d0 [ 52.235964][ T391] ? rw_verify_area+0x360/0x360 [ 52.240798][ T391] ? avc_policy_seqno+0x1b/0x70 [ 52.245634][ T391] ? load_script+0x8f0/0x8f0 [ 52.250208][ T391] ? _raw_read_unlock+0x25/0x40 [ 52.255041][ T391] bprm_execve+0x878/0x15c0 [ 52.259526][ T391] ? alloc_bprm+0x630/0x630 [ 52.264013][ T391] do_execveat_common+0x93a/0xab0 [ 52.269019][ T391] __x64_sys_execve+0x92/0xb0 [ 52.273677][ T391] do_syscall_64+0x31/0x40 [ 52.278076][ T391] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.283947][ T391] RIP: 0033:0x7f20971a0107 [ 52.288346][ T391] Code: 0f 00 64 c7 00 07 00 00 00 b8 ff ff ff ff c9 c3 0f 1f 00 48 8b 05 a9 ee 0f 00 48 8b 10 e9 01 00 00 00 90 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 ec 0f 00 f7 d8 64 89 01 48 [ 52.307929][ T391] RSP: 002b:00007f2097009e68 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 52.316317][ T391] RAX: ffffffffffffffda RBX: 00007fff24019da0 RCX: 00007f20971a0107 [ 52.324264][ T391] RDX: 0000563bd4343b10 RSI: 00007fff24019f90 RDI: 0000563ba93526bd [ 52.332215][ T391] RBP: 00007f2097009ff0 R08: 0000000000000000 R09: 0000000000000000 [ 52.340163][ T391] R10: 0000000000000008 R11: 0000000000000202 R12: 0000000000000001 [ 52.348114][ T391] R13: 00007fff24019a80 R14: 00007f2097009f20 R15: 0000000000000040 [ 52.356486][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 52.363243][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.373287][ T95] Call Trace: [ 52.376560][ T95] __dump_stack+0x21/0x24 [ 52.380870][ T95] dump_stack_lvl+0x1a7/0x208 [ 52.385522][ T95] ? thaw_kernel_threads+0x220/0x220 [ 52.390781][ T95] ? show_regs_print_info+0x18/0x18 [ 52.395982][ T95] ? prandom_u32+0x24d/0x290 [ 52.400549][ T95] dump_stack+0x15/0x1c [ 52.404682][ T95] should_fail+0x3ab/0x500 [ 52.409075][ T95] ? vm_area_dup+0x26/0x250 [ 52.413556][ T95] __should_failslab+0xa4/0xe0 [ 52.418299][ T95] should_failslab+0x9/0x20 [ 52.422778][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 52.427519][ T95] vm_area_dup+0x26/0x250 [ 52.431824][ T95] copy_mm+0x857/0x13d0 [ 52.435968][ T95] ? copy_signal+0x5f0/0x5f0 [ 52.440532][ T95] ? __init_rwsem+0xd5/0x1c0 [ 52.445096][ T95] ? copy_signal+0x4cc/0x5f0 [ 52.449660][ T95] copy_process+0x1386/0x3320 [ 52.454316][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 52.459488][ T95] ? __pidfd_prepare+0x150/0x150 [ 52.464402][ T95] ? __sock_set_mark+0x160/0x160 [ 52.469316][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 52.475095][ T95] kernel_clone+0x233/0x950 [ 52.479576][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 52.485097][ T95] ? create_io_thread+0x170/0x170 [ 52.490096][ T95] __x64_sys_clone+0x198/0x210 [ 52.494837][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 52.499838][ T95] ? debug_smp_processor_id+0x17/0x20 [ 52.505184][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 52.511225][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 52.516833][ T95] do_syscall_64+0x31/0x40 [ 52.521227][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.527094][ T95] RIP: 0033:0x7fd208431636 [ 52.531488][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 52.551087][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.559481][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 52.567446][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 52.575395][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 52.583345][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 52.591294][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.599440][ C1] FAULT_INJECTION: forcing a failure. [ 52.599440][ C1] name failslab, interval 1, probability 1, space 0, times 904 [ 52.602762][ T7] FAULT_INJECTION: forcing a failure. [ 52.602762][ T7] name failslab, interval 1, probability 1, space 0, times 904 [ 52.612224][ C1] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 52.612238][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.641731][ C1] Call Trace: [ 52.644999][ C1] [ 52.647840][ C1] __dump_stack+0x21/0x24 [ 52.652151][ C1] dump_stack_lvl+0x1a7/0x208 [ 52.656810][ C1] ? show_regs_print_info+0x18/0x18 [ 52.661992][ C1] dump_stack+0x15/0x1c [ 52.666127][ C1] should_fail+0x3ab/0x500 [ 52.670525][ C1] ? dst_alloc+0x176/0x4f0 [ 52.674924][ C1] __should_failslab+0xa4/0xe0 [ 52.679673][ C1] should_failslab+0x9/0x20 [ 52.684160][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 52.688906][ C1] ? __do_softirq+0x255/0x563 [ 52.693668][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 52.698849][ C1] dst_alloc+0x176/0x4f0 [ 52.703077][ C1] icmp6_dst_alloc+0xec/0x520 [ 52.707741][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 52.713364][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 52.718282][ C1] ndisc_send_skb+0x27c/0xbc0 [ 52.722941][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 52.727860][ C1] ? slab_post_alloc_hook+0x7d/0x2f0 [ 52.733154][ C1] ? skb_put+0x10a/0x1f0 [ 52.737376][ C1] ndisc_send_rs+0x711/0x960 [ 52.741946][ C1] ? ndisc_send_rs+0xd1/0x960 [ 52.746604][ C1] addrconf_rs_timer+0x35a/0x600 [ 52.751523][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 52.757574][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 52.762583][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 52.768109][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 52.774161][ C1] call_timer_fn+0x38/0x290 [ 52.778646][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 52.784695][ C1] __run_timers+0x637/0x9a0 [ 52.789187][ C1] ? calc_index+0x200/0x200 [ 52.793682][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 52.798516][ C1] run_timer_softirq+0x6a/0xf0 [ 52.803265][ C1] __do_softirq+0x255/0x563 [ 52.807753][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 52.813282][ C1] asm_call_irq_on_stack+0xf/0x20 [ 52.818304][ C1] [ 52.821227][ C1] do_softirq_own_stack+0x60/0x80 [ 52.826242][ C1] __irq_exit_rcu+0x128/0x150 [ 52.830904][ C1] irq_exit_rcu+0x9/0x10 [ 52.835131][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 52.840745][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 52.846710][ C1] RIP: 0010:dump_stack_lvl+0x1cc/0x208 [ 52.852150][ C1] Code: e8 61 00 00 00 48 c7 c7 60 f5 76 86 be 04 00 00 00 e8 b0 a9 25 fd c7 05 86 84 fd 01 ff ff ff ff 48 89 5c 24 10 ff 74 24 10 9d <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 65 48 8b 04 25 [ 52.871736][ C1] RSP: 0018:ffffc90000bc7820 EFLAGS: 00000246 [ 52.877784][ C1] RAX: 1a2695195d78a501 RBX: 0000000000000246 RCX: ffffffff847970d0 [ 52.885733][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 52.893683][ C1] RBP: ffffc90000bc78c8 R08: 0000000000000003 R09: 0000000000000004 [ 52.901631][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff92000178f08 [ 52.909601][ C1] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000001 [ 52.917559][ C1] ? dump_stack_lvl+0x1b8/0x208 [ 52.922389][ C1] ? show_regs_print_info+0x18/0x18 [ 52.927565][ C1] ? prandom_u32+0x24d/0x290 [ 52.932130][ C1] dump_stack+0x15/0x1c [ 52.936262][ C1] should_fail+0x3ab/0x500 [ 52.940656][ C1] ? vm_area_dup+0x26/0x250 [ 52.945139][ C1] __should_failslab+0xa4/0xe0 [ 52.949882][ C1] should_failslab+0x9/0x20 [ 52.954362][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 52.959103][ C1] vm_area_dup+0x26/0x250 [ 52.963409][ C1] copy_mm+0x857/0x13d0 [ 52.967541][ C1] ? copy_signal+0x5f0/0x5f0 [ 52.972107][ C1] ? __init_rwsem+0xd5/0x1c0 [ 52.976673][ C1] ? copy_signal+0x4cc/0x5f0 [ 52.981239][ C1] copy_process+0x1386/0x3320 [ 52.985895][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 52.991069][ C1] ? __pidfd_prepare+0x150/0x150 [ 52.995984][ C1] ? __sock_set_mark+0x160/0x160 [ 53.000895][ C1] ? selinux_socket_setsockopt+0x282/0x360 [ 53.006678][ C1] kernel_clone+0x233/0x950 [ 53.011160][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 53.016680][ C1] ? create_io_thread+0x170/0x170 [ 53.021684][ C1] __x64_sys_clone+0x198/0x210 [ 53.026423][ C1] ? __ia32_sys_vfork+0x130/0x130 [ 53.031428][ C1] ? debug_smp_processor_id+0x17/0x20 [ 53.036778][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 53.042820][ C1] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 53.048427][ C1] do_syscall_64+0x31/0x40 [ 53.052821][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 53.058696][ C1] RIP: 0033:0x7fd208431636 [ 53.063090][ C1] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 53.082688][ C1] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.091078][ C1] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 53.099024][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 53.106973][ C1] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 53.114921][ C1] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 53.122868][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.130860][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 53.132911][ T392] FAULT_INJECTION: forcing a failure. [ 53.132911][ T392] name failslab, interval 1, probability 1, space 0, times 903 [ 53.138140][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.160896][ T7] Workqueue: netns cleanup_net [ 53.165639][ T7] Call Trace: [ 53.168911][ T7] __dump_stack+0x21/0x24 [ 53.173222][ T7] dump_stack_lvl+0x1a7/0x208 [ 53.177884][ T7] ? show_regs_print_info+0x18/0x18 [ 53.183065][ T7] dump_stack+0x15/0x1c [ 53.187201][ T7] should_fail+0x3ab/0x500 [ 53.191601][ T7] ? __alloc_skb+0x9e/0x520 [ 53.196088][ T7] __should_failslab+0xa4/0xe0 [ 53.200833][ T7] should_failslab+0x9/0x20 [ 53.205320][ T7] kmem_cache_alloc+0x3d/0x2d0 [ 53.210067][ T7] __alloc_skb+0x9e/0x520 [ 53.214378][ T7] ? inetdev_event+0x790/0x1010 [ 53.219211][ T7] inet_netconf_notify_devconf+0x169/0x220 [ 53.224998][ T7] inetdev_event+0x7b0/0x1010 [ 53.229659][ T7] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 53.235449][ T7] ? devinet_exit_net+0x220/0x220 [ 53.240459][ T7] ? __kasan_check_write+0x14/0x20 [ 53.245551][ T7] raw_notifier_call_chain+0x90/0x100 [ 53.250906][ T7] unregister_netdevice_many+0x100e/0x19f0 [ 53.256697][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 53.261705][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 53.267579][ T7] ? list_netdevice+0x4c0/0x4c0 [ 53.272410][ T7] ? __kasan_check_write+0x14/0x20 [ 53.277503][ T7] sit_exit_batch_net+0x615/0x660 [ 53.282515][ T7] ? sit_init_net+0x470/0x470 [ 53.287182][ T7] ? sit_init_net+0x470/0x470 [ 53.291840][ T7] cleanup_net+0x5fe/0xb80 [ 53.296238][ T7] ? __kasan_check_write+0x14/0x20 [ 53.301328][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 53.307110][ T7] ? ops_init+0x470/0x470 [ 53.311422][ T7] ? __kasan_check_read+0x11/0x20 [ 53.316426][ T7] ? read_word_at_a_time+0x12/0x20 [ 53.321519][ T7] ? strscpy+0x9b/0x290 [ 53.325659][ T7] process_one_work+0x6fd/0xbc0 [ 53.330497][ T7] worker_thread+0xa8e/0x13c0 [ 53.335157][ T7] kthread+0x324/0x3b0 [ 53.339206][ T7] ? worker_clr_flags+0x190/0x190 [ 53.344214][ T7] ? kthread_blkcg+0xd0/0xd0 [ 53.348785][ T7] ret_from_fork+0x1f/0x30 [ 53.353189][ T392] CPU: 1 PID: 392 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 53.360897][ T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.370932][ T392] Call Trace: [ 53.374207][ T392] __dump_stack+0x21/0x24 [ 53.378513][ T392] dump_stack_lvl+0x1a7/0x208 [ 53.383164][ T392] ? thaw_kernel_threads+0x220/0x220 [ 53.388427][ T392] ? show_regs_print_info+0x18/0x18 [ 53.393602][ T392] ? prandom_u32+0x24d/0x290 [ 53.398168][ T392] dump_stack+0x15/0x1c [ 53.402304][ T392] should_fail+0x3ab/0x500 [ 53.406696][ T392] ? getname_flags+0xba/0x510 [ 53.411350][ T392] __should_failslab+0xa4/0xe0 [ 53.416093][ T392] should_failslab+0x9/0x20 [ 53.420570][ T392] kmem_cache_alloc+0x3d/0x2d0 [ 53.425316][ T392] getname_flags+0xba/0x510 [ 53.429795][ T392] getname+0x19/0x20 [ 53.433665][ T392] do_sys_openat2+0xde/0x750 [ 53.438230][ T392] ? percpu_counter_add_batch+0x13c/0x160 [ 53.443923][ T392] ? blkcg_maybe_throttle_current+0x1e0/0x9e0 [ 53.449965][ T392] ? do_sys_open+0xe0/0xe0 [ 53.454356][ T392] ? ____fput+0x15/0x20 [ 53.458488][ T392] __x64_sys_openat+0x136/0x160 [ 53.463314][ T392] do_syscall_64+0x31/0x40 [ 53.467708][ T392] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 53.473576][ T392] RIP: 0033:0x7f043e7500ba [ 53.477968][ T392] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 53.497548][ T392] RSP: 002b:00007ffd4ba79648 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 53.505935][ T392] RAX: ffffffffffffffda RBX: 00007ffd4ba796c0 RCX: 00007f043e7500ba [ 53.513883][ T392] RDX: 0000000000080000 RSI: 00007ffd4ba796c0 RDI: 00000000ffffff9c [ 53.521829][ T392] RBP: 00007ffd4ba796b0 R08: 00007ffd4ba798b7 R09: 0000000000000000 [ 53.529778][ T392] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000033 [ 53.537724][ T392] R13: 00007f043e72c000 R14: 00007ffd4ba798d0 R15: 0000000000000000 [ 53.546370][ T392] FAULT_INJECTION: forcing a failure. [ 53.546370][ T392] name failslab, interval 1, probability 1, space 0, times 900 [ 53.547133][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 53.559182][ T392] CPU: 0 PID: 392 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 53.566951][ T95] udevd[95]: worker [384] terminated by signal 9 (Killed) [ 53.573937][ T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.573941][ T392] Call Trace: [ 53.573959][ T392] __dump_stack+0x21/0x24 [ 53.573969][ T392] dump_stack_lvl+0x1a7/0x208 [ 53.573980][ T392] ? show_regs_print_info+0x18/0x18 [ 53.573990][ T392] dump_stack+0x15/0x1c [ 53.574005][ T392] should_fail+0x3ab/0x500 [ 53.582065][ T95] FAULT_INJECTION: forcing a failure. [ 53.582065][ T95] name failslab, interval 1, probability 1, space 0, times 900 [ 53.591122][ T392] ? __alloc_file+0x28/0x320 [ 53.591133][ T392] __should_failslab+0xa4/0xe0 [ 53.591150][ T392] should_failslab+0x9/0x20 [ 53.643540][ T392] kmem_cache_alloc+0x3d/0x2d0 [ 53.648287][ T392] __alloc_file+0x28/0x320 [ 53.652685][ T392] alloc_empty_file+0x97/0x180 [ 53.657432][ T392] path_openat+0xf4/0x3040 [ 53.661830][ T392] ? __kasan_slab_alloc+0xc9/0xe0 [ 53.666835][ T392] ? __kasan_slab_alloc+0xb7/0xe0 [ 53.671843][ T392] ? kmem_cache_alloc+0x15a/0x2d0 [ 53.676847][ T392] ? getname_flags+0xba/0x510 [ 53.681540][ T392] ? getname+0x19/0x20 [ 53.685588][ T392] ? do_sys_openat2+0xde/0x750 [ 53.690331][ T392] ? __x64_sys_openat+0x136/0x160 [ 53.695337][ T392] ? do_syscall_64+0x31/0x40 [ 53.699908][ T392] ? do_filp_open+0x400/0x400 [ 53.704568][ T392] do_filp_open+0x1df/0x400 [ 53.709054][ T392] ? vfs_tmpfile+0x2c0/0x2c0 [ 53.713629][ T392] ? get_unused_fd_flags+0x92/0xa0 [ 53.718722][ T392] do_sys_openat2+0x19f/0x750 [ 53.723383][ T392] ? up_read+0x12/0x50 [ 53.727434][ T392] ? do_user_addr_fault+0x775/0xe20 [ 53.732612][ T392] ? do_sys_open+0xe0/0xe0 [ 53.737019][ T392] ? debug_smp_processor_id+0x17/0x20 [ 53.742370][ T392] __x64_sys_openat+0x136/0x160 [ 53.747201][ T392] do_syscall_64+0x31/0x40 [ 53.751597][ T392] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 53.757469][ T392] RIP: 0033:0x7f043e7500ba [ 53.761868][ T392] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 53.781452][ T392] RSP: 002b:00007ffd4ba79608 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 53.789847][ T392] RAX: ffffffffffffffda RBX: 00007ffd4ba79680 RCX: 00007f043e7500ba [ 53.797805][ T392] RDX: 0000000000080000 RSI: 00007ffd4ba79680 RDI: 00000000ffffff9c [ 53.805760][ T392] RBP: 00007ffd4ba79670 R08: 00007ffd4ba79877 R09: 0000000000000000 [ 53.813814][ T392] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000013 [ 53.821767][ T392] R13: 00007f043e72c000 R14: 00007ffd4ba79890 R15: 0000000000000000 [ 53.829727][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 53.836502][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.846533][ T95] Call Trace: [ 53.849800][ T95] __dump_stack+0x21/0x24 [ 53.854100][ T95] dump_stack_lvl+0x1a7/0x208 [ 53.858747][ T95] ? thaw_kernel_threads+0x220/0x220 [ 53.864002][ T95] ? show_regs_print_info+0x18/0x18 [ 53.869172][ T95] ? prandom_u32+0x24d/0x290 [ 53.873733][ T95] dump_stack+0x15/0x1c [ 53.877858][ T95] should_fail+0x3ab/0x500 [ 53.882244][ T95] ? anon_vma_fork+0x1ff/0x520 [ 53.886979][ T95] __should_failslab+0xa4/0xe0 [ 53.891713][ T95] should_failslab+0x9/0x20 [ 53.896189][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 53.900923][ T95] ? anon_vma_fork+0xf8/0x520 [ 53.905590][ T95] anon_vma_fork+0x1ff/0x520 [ 53.910167][ T95] copy_mm+0x8f9/0x13d0 [ 53.914294][ T95] ? copy_signal+0x5f0/0x5f0 [ 53.918850][ T95] ? __init_rwsem+0xd5/0x1c0 [ 53.923408][ T95] ? copy_signal+0x4cc/0x5f0 [ 53.927985][ T95] copy_process+0x1386/0x3320 [ 53.932635][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 53.937802][ T95] ? __pidfd_prepare+0x150/0x150 [ 53.942709][ T95] ? __sock_set_mark+0x160/0x160 [ 53.947617][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 53.953393][ T95] kernel_clone+0x233/0x950 [ 53.957869][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 53.963384][ T95] ? create_io_thread+0x170/0x170 [ 53.968378][ T95] __x64_sys_clone+0x198/0x210 [ 53.973110][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 53.978117][ T95] ? debug_smp_processor_id+0x17/0x20 [ 53.983462][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 53.989502][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 53.995102][ T95] do_syscall_64+0x31/0x40 [ 53.999488][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.005358][ T95] RIP: 0033:0x7fd208431636 [ 54.009745][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 54.029320][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.037703][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 54.045733][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 54.053679][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 54.061629][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 54.069581][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.077881][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 54.085246][ T134] FAULT_INJECTION: forcing a failure. [ 54.085246][ T134] name failslab, interval 1, probability 1, space 0, times 898 [ 54.085779][ T95] FAULT_INJECTION: forcing a failure. [ 54.085779][ T95] name failslab, interval 1, probability 1, space 0, times 898 [ 54.098759][ T134] CPU: 0 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 54.117684][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.127720][ T134] Call Trace: [ 54.130999][ T134] __dump_stack+0x21/0x24 [ 54.135312][ T134] dump_stack_lvl+0x1a7/0x208 [ 54.139971][ T134] ? show_regs_print_info+0x18/0x18 [ 54.145152][ T134] dump_stack+0x15/0x1c [ 54.149290][ T134] should_fail+0x3ab/0x500 [ 54.153687][ T134] ? __alloc_skb+0x9e/0x520 [ 54.158173][ T134] __should_failslab+0xa4/0xe0 [ 54.162920][ T134] should_failslab+0x9/0x20 [ 54.167408][ T134] kmem_cache_alloc+0x3d/0x2d0 [ 54.172164][ T134] ? slab_free_freelist_hook+0xc5/0x190 [ 54.177691][ T134] __alloc_skb+0x9e/0x520 [ 54.182005][ T134] ? kmem_cache_free+0x100/0x2d0 [ 54.186925][ T134] ? skb_release_data+0x53b/0x690 [ 54.191934][ T134] alloc_skb_with_frags+0xa3/0x560 [ 54.197026][ T134] ? kfree_skbmem+0x10c/0x180 [ 54.201687][ T134] sock_alloc_send_pskb+0x87f/0x9a0 [ 54.206870][ T134] ? sock_kzfree_s+0x60/0x60 [ 54.211446][ T134] ? __kasan_check_write+0x14/0x20 [ 54.216540][ T134] ? _raw_spin_lock+0x94/0xf0 [ 54.221197][ T134] ? _raw_spin_trylock_bh+0x150/0x150 [ 54.226557][ T134] unix_dgram_sendmsg+0x6f3/0x18f0 [ 54.231654][ T134] ? unix_dgram_poll+0x640/0x640 [ 54.236576][ T134] ? security_socket_sendmsg+0x82/0xa0 [ 54.242015][ T134] __sys_sendto+0x467/0x620 [ 54.246499][ T134] ? __ia32_sys_getpeername+0x90/0x90 [ 54.251856][ T134] ? __kasan_check_read+0x11/0x20 [ 54.256863][ T134] ? __fdget_pos+0x1f7/0x380 [ 54.261437][ T134] ? vfs_write+0xd70/0xd70 [ 54.265834][ T134] __x64_sys_sendto+0xe5/0x100 [ 54.270582][ T134] do_syscall_64+0x31/0x40 [ 54.274983][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.280853][ T134] RIP: 0033:0x7f2097155407 [ 54.285253][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 54.304839][ T134] RSP: 002b:00007fff24039360 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 54.313246][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 54.321203][ T134] RDX: 000000000000003a RSI: 00007fff240394a0 RDI: 0000000000000003 [ 54.329157][ T134] RBP: 00007fff240398d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.337110][ T134] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff24039d20 [ 54.345063][ T134] R13: 00007fff240394a0 R14: 0000000000000019 R15: 00007fff240394a0 [ 54.353028][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 54.359795][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.369828][ T95] Call Trace: [ 54.373093][ T95] __dump_stack+0x21/0x24 [ 54.377394][ T95] dump_stack_lvl+0x1a7/0x208 [ 54.382043][ T95] ? thaw_kernel_threads+0x220/0x220 [ 54.387297][ T95] ? show_regs_print_info+0x18/0x18 [ 54.392468][ T95] ? prandom_u32+0x24d/0x290 [ 54.397026][ T95] dump_stack+0x15/0x1c [ 54.401170][ T95] should_fail+0x3ab/0x500 [ 54.405561][ T95] ? vm_area_dup+0x26/0x250 [ 54.410039][ T95] __should_failslab+0xa4/0xe0 [ 54.414776][ T95] should_failslab+0x9/0x20 [ 54.419267][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 54.423999][ T95] vm_area_dup+0x26/0x250 [ 54.428297][ T95] copy_mm+0x857/0x13d0 [ 54.432428][ T95] ? copy_signal+0x5f0/0x5f0 [ 54.436985][ T95] ? __init_rwsem+0xd5/0x1c0 [ 54.441546][ T95] ? copy_signal+0x4cc/0x5f0 [ 54.446109][ T95] copy_process+0x1386/0x3320 [ 54.450759][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 54.455927][ T95] ? __pidfd_prepare+0x150/0x150 [ 54.460856][ T95] ? __sock_set_mark+0x160/0x160 [ 54.465763][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 54.471626][ T95] kernel_clone+0x233/0x950 [ 54.476119][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 54.481633][ T95] ? create_io_thread+0x170/0x170 [ 54.486631][ T95] __x64_sys_clone+0x198/0x210 [ 54.491365][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 54.496361][ T95] ? debug_smp_processor_id+0x17/0x20 [ 54.501708][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.507752][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 54.513377][ T95] do_syscall_64+0x31/0x40 [ 54.517767][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.523630][ T95] RIP: 0033:0x7fd208431636 [ 54.528032][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 54.547606][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.555989][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 54.563947][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 54.571892][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 54.579841][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 54.587804][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.596867][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 54.598719][ T7] FAULT_INJECTION: forcing a failure. [ 54.598719][ T7] name failslab, interval 1, probability 1, space 0, times 896 [ 54.604903][ T95] FAULT_INJECTION: forcing a failure. [ 54.604903][ T95] name failslab, interval 1, probability 1, space 0, times 896 [ 54.616787][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 54.636733][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.646781][ T7] Workqueue: netns cleanup_net [ 54.651526][ T7] Call Trace: [ 54.654800][ T7] __dump_stack+0x21/0x24 [ 54.659109][ T7] dump_stack_lvl+0x1a7/0x208 [ 54.663767][ T7] ? thaw_kernel_threads+0x220/0x220 [ 54.669032][ T7] ? show_regs_print_info+0x18/0x18 [ 54.674219][ T7] ? prandom_u32+0x24d/0x290 [ 54.678792][ T7] dump_stack+0x15/0x1c [ 54.682931][ T7] should_fail+0x3ab/0x500 [ 54.687330][ T7] ? inet6_netconf_notify_devconf+0xd6/0x190 [ 54.693290][ T7] __should_failslab+0xa4/0xe0 [ 54.698045][ T7] should_failslab+0x9/0x20 [ 54.702528][ T7] __kmalloc_track_caller+0x5f/0x310 [ 54.707793][ T7] ? kmem_cache_alloc+0x15a/0x2d0 [ 54.712799][ T7] ? __alloc_skb+0x9e/0x520 [ 54.717281][ T7] ? inet6_netconf_notify_devconf+0xd6/0x190 [ 54.723241][ T7] __alloc_skb+0xdc/0x520 [ 54.727555][ T7] ? addrconf_ifdown+0x15bf/0x1890 [ 54.732650][ T7] inet6_netconf_notify_devconf+0xd6/0x190 [ 54.738438][ T7] addrconf_ifdown+0x15d5/0x1890 [ 54.743358][ T7] ? addrconf_cleanup+0x1c0/0x1c0 [ 54.748364][ T7] ? __kasan_check_write+0x14/0x20 [ 54.753457][ T7] ? mutex_lock+0x92/0xf0 [ 54.757766][ T7] ? mutex_trylock+0xb0/0xb0 [ 54.762340][ T7] ? _raw_spin_lock+0x94/0xf0 [ 54.766997][ T7] ? _raw_spin_trylock_bh+0x150/0x150 [ 54.772347][ T7] addrconf_notify+0x3bd/0xea0 [ 54.777094][ T7] raw_notifier_call_chain+0x90/0x100 [ 54.782450][ T7] unregister_netdevice_many+0x100e/0x19f0 [ 54.788236][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 54.793244][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 54.799140][ T7] ? list_netdevice+0x4c0/0x4c0 [ 54.803978][ T7] vti6_exit_batch_net+0x273/0x2c0 [ 54.809089][ T7] ? vti6_init_net+0x3c0/0x3c0 [ 54.813833][ T7] ? vti6_init_net+0x3c0/0x3c0 [ 54.818575][ T7] cleanup_net+0x5fe/0xb80 [ 54.822978][ T7] ? __kasan_check_write+0x14/0x20 [ 54.828069][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 54.833853][ T7] ? ops_init+0x470/0x470 [ 54.838167][ T7] ? __kasan_check_read+0x11/0x20 [ 54.843173][ T7] ? read_word_at_a_time+0x12/0x20 [ 54.848264][ T7] ? strscpy+0x9b/0x290 [ 54.852401][ T7] process_one_work+0x6fd/0xbc0 [ 54.857233][ T7] worker_thread+0xa8e/0x13c0 [ 54.861896][ T7] kthread+0x324/0x3b0 [ 54.865943][ T7] ? worker_clr_flags+0x190/0x190 [ 54.870945][ T7] ? kthread_blkcg+0xd0/0xd0 [ 54.875524][ T7] ret_from_fork+0x1f/0x30 [ 54.879924][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 54.886673][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.896705][ T95] Call Trace: [ 54.899973][ T95] __dump_stack+0x21/0x24 [ 54.904274][ T95] dump_stack_lvl+0x1a7/0x208 [ 54.908929][ T95] ? show_regs_print_info+0x18/0x18 [ 54.914119][ T95] ? prandom_u32+0x24d/0x290 [ 54.918685][ T95] dump_stack+0x15/0x1c [ 54.922812][ T95] should_fail+0x3ab/0x500 [ 54.927202][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 54.931938][ T95] __should_failslab+0xa4/0xe0 [ 54.936670][ T95] should_failslab+0x9/0x20 [ 54.941147][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 54.945880][ T95] anon_vma_clone+0xb7/0x4c0 [ 54.950544][ T95] anon_vma_fork+0x8f/0x520 [ 54.955148][ T95] copy_mm+0x8f9/0x13d0 [ 54.959305][ T95] ? copy_signal+0x5f0/0x5f0 [ 54.963868][ T95] ? __init_rwsem+0xd5/0x1c0 [ 54.968433][ T95] ? copy_signal+0x4cc/0x5f0 [ 54.973006][ T95] copy_process+0x1386/0x3320 [ 54.977750][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 54.982926][ T95] ? __pidfd_prepare+0x150/0x150 [ 54.988025][ T95] ? __sock_set_mark+0x160/0x160 [ 54.992950][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 54.998732][ T95] kernel_clone+0x233/0x950 [ 55.003213][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 55.008733][ T95] ? create_io_thread+0x170/0x170 [ 55.013733][ T95] __x64_sys_clone+0x198/0x210 [ 55.018487][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 55.023487][ T95] ? debug_smp_processor_id+0x17/0x20 [ 55.028829][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.034866][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 55.040474][ T95] do_syscall_64+0x31/0x40 [ 55.044888][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.050752][ T95] RIP: 0033:0x7fd208431636 [ 55.055140][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 55.074732][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.083117][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 55.091061][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 55.099029][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 55.106979][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 55.114929][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.125571][ T95] FAULT_INJECTION: forcing a failure. [ 55.125571][ T95] name failslab, interval 1, probability 1, space 0, times 894 [ 55.127726][ T133] FAULT_INJECTION: forcing a failure. [ 55.127726][ T133] name failslab, interval 1, probability 1, space 0, times 894 [ 55.138391][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 55.157836][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.167868][ T95] Call Trace: [ 55.171139][ T95] __dump_stack+0x21/0x24 [ 55.175445][ T95] dump_stack_lvl+0x1a7/0x208 [ 55.180101][ T95] ? show_regs_print_info+0x18/0x18 [ 55.185276][ T95] ? prandom_u32+0x24d/0x290 [ 55.189854][ T95] dump_stack+0x15/0x1c [ 55.193986][ T95] should_fail+0x3ab/0x500 [ 55.198381][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 55.203131][ T95] __should_failslab+0xa4/0xe0 [ 55.207871][ T95] should_failslab+0x9/0x20 [ 55.212354][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 55.217094][ T95] anon_vma_clone+0xb7/0x4c0 [ 55.221667][ T95] anon_vma_fork+0x8f/0x520 [ 55.226145][ T95] copy_mm+0x8f9/0x13d0 [ 55.230279][ T95] ? copy_signal+0x5f0/0x5f0 [ 55.234846][ T95] ? __init_rwsem+0xd5/0x1c0 [ 55.239410][ T95] ? copy_signal+0x4cc/0x5f0 [ 55.243976][ T95] copy_process+0x1386/0x3320 [ 55.248631][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 55.253807][ T95] ? __pidfd_prepare+0x150/0x150 [ 55.258722][ T95] ? __sock_set_mark+0x160/0x160 [ 55.263681][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 55.269465][ T95] kernel_clone+0x233/0x950 [ 55.273948][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 55.279477][ T95] ? create_io_thread+0x170/0x170 [ 55.284476][ T95] __x64_sys_clone+0x198/0x210 [ 55.289215][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 55.294224][ T95] ? debug_smp_processor_id+0x17/0x20 [ 55.299571][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.305616][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 55.311222][ T95] do_syscall_64+0x31/0x40 [ 55.315614][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.321482][ T95] RIP: 0033:0x7fd208431636 [ 55.325874][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 55.345452][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.353843][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 55.361790][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 55.369737][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 55.377687][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 55.385633][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.395695][ T95] FAULT_INJECTION: forcing a failure. [ 55.395695][ T95] name failslab, interval 1, probability 1, space 0, times 893 [ 55.400747][ T58] FAULT_INJECTION: forcing a failure. [ 55.400747][ T58] name failslab, interval 1, probability 1, space 0, times 893 [ 55.410224][ T394] FAULT_INJECTION: forcing a failure. [ 55.410224][ T394] name failslab, interval 1, probability 1, space 0, times 893 [ 55.421339][ T133] CPU: 1 PID: 133 Comm: dhcpcd Not tainted syzkaller #0 [ 55.440893][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.450930][ T133] Call Trace: [ 55.454205][ T133] __dump_stack+0x21/0x24 [ 55.458513][ T133] dump_stack_lvl+0x1a7/0x208 [ 55.463173][ T133] ? thaw_kernel_threads+0x220/0x220 [ 55.468438][ T133] ? show_regs_print_info+0x18/0x18 [ 55.473619][ T133] ? prandom_u32+0x24d/0x290 [ 55.478189][ T133] dump_stack+0x15/0x1c [ 55.482323][ T133] should_fail+0x3ab/0x500 [ 55.486731][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 55.491998][ T133] __should_failslab+0xa4/0xe0 [ 55.496775][ T133] should_failslab+0x9/0x20 [ 55.501259][ T133] __kmalloc_track_caller+0x5f/0x310 [ 55.506524][ T133] ? kmem_cache_alloc+0x15a/0x2d0 [ 55.511534][ T133] ? __alloc_skb+0x9e/0x520 [ 55.516043][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 55.521310][ T133] __alloc_skb+0xdc/0x520 [ 55.525622][ T133] alloc_skb_with_frags+0xa3/0x560 [ 55.530725][ T133] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 55.536510][ T133] sock_alloc_send_pskb+0x87f/0x9a0 [ 55.541692][ T133] ? sock_kzfree_s+0x60/0x60 [ 55.546266][ T133] ? __kasan_check_write+0x14/0x20 [ 55.551355][ T133] ? _raw_spin_lock+0x94/0xf0 [ 55.556014][ T133] ? _raw_spin_trylock_bh+0x150/0x150 [ 55.561368][ T133] unix_dgram_sendmsg+0x6f3/0x18f0 [ 55.566462][ T133] ? __wake_up_sync_key+0x17b/0x2b0 [ 55.571643][ T133] ? selinux_socket_sendmsg+0x22f/0x340 [ 55.577166][ T133] ? selinux_socket_accept+0x570/0x570 [ 55.582613][ T133] ? unix_dgram_poll+0x640/0x640 [ 55.587530][ T133] ? avc_has_perm_noaudit+0x260/0x260 [ 55.592892][ T133] unix_seqpacket_sendmsg+0x118/0x1e0 [ 55.598244][ T133] sock_write_iter+0x2a6/0x3a0 [ 55.602987][ T133] ? sock_read_iter+0x380/0x380 [ 55.607825][ T133] ? match_file+0x130/0x130 [ 55.612312][ T133] do_iter_readv_writev+0x477/0x5f0 [ 55.617491][ T133] ? generic_file_rw_checks+0x2a0/0x2a0 [ 55.623020][ T133] ? security_file_permission+0x83/0xa0 [ 55.628548][ T133] ? rw_verify_area+0x1c0/0x360 [ 55.633382][ T133] do_iter_write+0x175/0x5e0 [ 55.637956][ T133] vfs_writev+0x2a9/0x530 [ 55.642265][ T133] ? do_writev+0x2c0/0x2c0 [ 55.646665][ T133] ? __kasan_check_read+0x11/0x20 [ 55.651669][ T133] ? __fdget_pos+0x1f7/0x380 [ 55.656241][ T133] do_writev+0x14e/0x2c0 [ 55.660464][ T133] ? do_readv+0x450/0x450 [ 55.664777][ T133] __x64_sys_writev+0x7d/0x90 [ 55.669436][ T133] do_syscall_64+0x31/0x40 [ 55.673836][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.679716][ T133] RIP: 0033:0x7f2097155407 [ 55.684113][ T133] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 55.703698][ T133] RSP: 002b:00007fff24029d50 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 55.712093][ T133] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 55.720045][ T133] RDX: 0000000000000005 RSI: 00007fff24029db0 RDI: 000000000000000a [ 55.728023][ T133] RBP: 00007fff2403a2d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.735990][ T133] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563ba9352114 [ 55.743950][ T133] R13: 0000000000000106 R14: 0000000000000001 R15: 0000563bd43aaea8 [ 55.752033][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 55.758786][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.768827][ T95] Call Trace: [ 55.772109][ T95] __dump_stack+0x21/0x24 [ 55.776418][ T95] dump_stack_lvl+0x1a7/0x208 [ 55.781078][ T95] ? thaw_kernel_threads+0x220/0x220 [ 55.786348][ T95] ? show_regs_print_info+0x18/0x18 [ 55.791549][ T95] ? prandom_u32+0x24d/0x290 [ 55.796123][ T95] dump_stack+0x15/0x1c [ 55.800266][ T95] should_fail+0x3ab/0x500 [ 55.804668][ T95] ? anon_vma_fork+0x1ff/0x520 [ 55.809421][ T95] __should_failslab+0xa4/0xe0 [ 55.811732][ T395] FAULT_INJECTION: forcing a failure. [ 55.811732][ T395] name failslab, interval 1, probability 1, space 0, times 892 [ 55.814181][ T95] should_failslab+0x9/0x20 [ 55.831385][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 55.836132][ T95] ? anon_vma_fork+0xf8/0x520 [ 55.840789][ T95] anon_vma_fork+0x1ff/0x520 [ 55.845360][ T95] copy_mm+0x8f9/0x13d0 [ 55.849498][ T95] ? copy_signal+0x5f0/0x5f0 [ 55.854069][ T95] ? __init_rwsem+0xd5/0x1c0 [ 55.858638][ T95] ? copy_signal+0x4cc/0x5f0 [ 55.863209][ T95] copy_process+0x1386/0x3320 [ 55.867870][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 55.873047][ T95] ? __pidfd_prepare+0x150/0x150 [ 55.877972][ T95] ? __sock_set_mark+0x160/0x160 [ 55.882888][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 55.888676][ T95] kernel_clone+0x233/0x950 [ 55.893162][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 55.898686][ T95] ? create_io_thread+0x170/0x170 [ 55.903694][ T95] __x64_sys_clone+0x198/0x210 [ 55.908441][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 55.913449][ T95] ? debug_smp_processor_id+0x17/0x20 [ 55.918804][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.924853][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 55.930470][ T95] do_syscall_64+0x31/0x40 [ 55.934865][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.940740][ T95] RIP: 0033:0x7fd208431636 [ 55.945142][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 55.964729][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.973135][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 55.981089][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 55.989047][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 55.997001][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 56.004968][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.012940][ T394] CPU: 1 PID: 394 Comm: udevd Not tainted syzkaller #0 [ 56.019786][ T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.029824][ T394] Call Trace: [ 56.033108][ T394] __dump_stack+0x21/0x24 [ 56.037426][ T394] dump_stack_lvl+0x1a7/0x208 [ 56.042085][ T394] ? thaw_kernel_threads+0x220/0x220 [ 56.047352][ T394] ? show_regs_print_info+0x18/0x18 [ 56.052541][ T394] ? prandom_u32+0x24d/0x290 [ 56.057110][ T394] dump_stack+0x15/0x1c [ 56.061245][ T394] should_fail+0x3ab/0x500 [ 56.065641][ T394] ? getname_flags+0xba/0x510 [ 56.070297][ T394] __should_failslab+0xa4/0xe0 [ 56.075040][ T394] should_failslab+0x9/0x20 [ 56.079518][ T394] kmem_cache_alloc+0x3d/0x2d0 [ 56.084263][ T394] getname_flags+0xba/0x510 [ 56.088740][ T394] getname+0x19/0x20 [ 56.092609][ T394] do_sys_openat2+0xde/0x750 [ 56.097173][ T394] ? percpu_counter_add_batch+0x13c/0x160 [ 56.102867][ T394] ? blkcg_maybe_throttle_current+0x1e0/0x9e0 [ 56.108916][ T394] ? do_sys_open+0xe0/0xe0 [ 56.113310][ T394] ? __blkcg_punt_bio_submit+0x170/0x170 [ 56.118920][ T394] ? ____fput+0x15/0x20 [ 56.123052][ T394] __x64_sys_openat+0x136/0x160 [ 56.127879][ T394] do_syscall_64+0x31/0x40 [ 56.132274][ T394] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.138140][ T394] RIP: 0033:0x7fd2083e7407 [ 56.142533][ T394] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 56.162116][ T394] RSP: 002b:00007ffccd12bd00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 56.170505][ T394] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 56.178454][ T394] RDX: 0000000000080000 RSI: 00007ffccd12be80 RDI: ffffffffffffff9c [ 56.186403][ T394] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 56.194356][ T394] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 56.202304][ T394] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000563a82b14140 [ 56.210322][ T395] CPU: 1 PID: 395 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 56.218022][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.228057][ T395] Call Trace: [ 56.231330][ T395] __dump_stack+0x21/0x24 [ 56.235636][ T395] dump_stack_lvl+0x1a7/0x208 [ 56.240289][ T395] ? thaw_kernel_threads+0x220/0x220 [ 56.245549][ T395] ? show_regs_print_info+0x18/0x18 [ 56.250722][ T395] ? prandom_u32+0x24d/0x290 [ 56.255288][ T395] dump_stack+0x15/0x1c [ 56.259436][ T395] should_fail+0x3ab/0x500 [ 56.263840][ T395] ? vm_area_dup+0x26/0x250 [ 56.268325][ T395] __should_failslab+0xa4/0xe0 [ 56.273069][ T395] should_failslab+0x9/0x20 [ 56.277552][ T395] kmem_cache_alloc+0x3d/0x2d0 [ 56.282296][ T395] vm_area_dup+0x26/0x250 [ 56.286606][ T395] __split_vma+0xbd/0x420 [ 56.290919][ T395] ? find_vma+0x30/0x150 [ 56.295138][ T395] __do_munmap+0x3c3/0x850 [ 56.299531][ T395] ? arch_get_unmapped_area+0x640/0x640 [ 56.305050][ T395] mmap_region+0x8a2/0x19c0 [ 56.309535][ T395] ? cap_mmap_addr+0x165/0x2e0 [ 56.314279][ T395] ? selinux_mmap_addr+0xbe/0xe0 [ 56.319192][ T395] ? security_mmap_addr+0x72/0x90 [ 56.324191][ T395] do_mmap+0x85f/0xf50 [ 56.328239][ T395] vm_mmap_pgoff+0x1f4/0x350 [ 56.332810][ T395] ? account_locked_vm+0x1a0/0x1a0 [ 56.337902][ T395] ksys_mmap_pgoff+0x16f/0x1e0 [ 56.342642][ T395] __x64_sys_mmap+0xfa/0x110 [ 56.347211][ T395] do_syscall_64+0x31/0x40 [ 56.351606][ T395] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.357473][ T395] RIP: 0033:0x7f6b0f150242 [ 56.361867][ T395] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 [ 56.381452][ T395] RSP: 002b:00007ffecc111878 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 56.389843][ T395] RAX: ffffffffffffffda RBX: 00007f6b0edfd000 RCX: 00007f6b0f150242 [ 56.397824][ T395] RDX: 0000000000000001 RSI: 0000000000026000 RDI: 00007f6b0edfd000 [ 56.405774][ T395] RBP: 0000000000000812 R08: 0000000000000003 R09: 000000000003a000 [ 56.413723][ T395] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffecc111900 [ 56.421675][ T395] R13: 00007f6b0ee2f6b0 R14: 00007ffecc111cb0 R15: 00000fffd9822312 [ 56.429943][ T58] CPU: 1 PID: 58 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 56.430626][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 56.437221][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.444561][ T95] FAULT_INJECTION: forcing a failure. [ 56.444561][ T95] name failslab, interval 1, probability 1, space 0, times 891 [ 56.454326][ T58] Call Trace: [ 56.454342][ T58] __dump_stack+0x21/0x24 [ 56.454351][ T58] dump_stack_lvl+0x1a7/0x208 [ 56.454360][ T58] ? show_regs_print_info+0x18/0x18 [ 56.454369][ T58] ? prandom_u32+0x24d/0x290 [ 56.454384][ T58] dump_stack+0x15/0x1c [ 56.493169][ T58] should_fail+0x3ab/0x500 [ 56.497571][ T58] ? mempool_alloc_slab+0x1d/0x30 [ 56.502576][ T58] __should_failslab+0xa4/0xe0 [ 56.507330][ T58] should_failslab+0x9/0x20 [ 56.511820][ T58] kmem_cache_alloc+0x3d/0x2d0 [ 56.516563][ T58] ? mempool_alloc_slab+0x1d/0x30 [ 56.521582][ T58] mempool_alloc_slab+0x1d/0x30 [ 56.526419][ T58] ? mempool_free+0x330/0x330 [ 56.531079][ T58] mempool_alloc+0x128/0x490 [ 56.535653][ T58] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 56.541446][ T58] ? mempool_resize+0x880/0x880 [ 56.546281][ T58] ? submit_bio+0x342/0x710 [ 56.550769][ T58] ? __kasan_check_read+0x11/0x20 [ 56.555774][ T58] ? __bio_add_page+0x26e/0x430 [ 56.560621][ T58] ? submit_bio_checks+0x1620/0x1620 [ 56.565892][ T58] bio_alloc_bioset+0x196/0x570 [ 56.570725][ T58] ? __disk_get_part+0x75/0xd0 [ 56.575471][ T58] submit_bh_wbc+0x1c6/0x6e0 [ 56.580040][ T58] submit_bh+0x2a/0x40 [ 56.584177][ T58] jbd2_journal_commit_transaction+0x262b/0x57a0 [ 56.590491][ T58] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 56.597226][ T58] ? psi_group_change+0x7cb/0xe00 [ 56.602226][ T58] ? compat_start_thread+0x80/0x80 [ 56.607324][ T58] ? __kasan_check_write+0x14/0x20 [ 56.612421][ T58] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 56.617853][ T58] ? __schedule+0xc0b/0x13e0 [ 56.622427][ T58] ? io_schedule+0xe0/0xe0 [ 56.626819][ T58] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 56.632606][ T58] ? del_timer_sync+0x144/0x1a0 [ 56.637434][ T58] kjournald2+0x43d/0x850 [ 56.641763][ T58] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 56.647056][ T58] ? io_schedule+0xe0/0xe0 [ 56.651459][ T58] ? __kasan_check_read+0x11/0x20 [ 56.656465][ T58] ? __kthread_parkme+0xb3/0x1b0 [ 56.661377][ T58] kthread+0x324/0x3b0 [ 56.665425][ T58] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 56.670598][ T58] ? kthread_blkcg+0xd0/0xd0 [ 56.675161][ T58] ret_from_fork+0x1f/0x30 [ 56.679612][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 56.682247][ T394] FAULT_INJECTION: forcing a failure. [ 56.682247][ T394] name failslab, interval 1, probability 1, space 0, times 888 [ 56.686366][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.686370][ T95] Call Trace: [ 56.686386][ T95] __dump_stack+0x21/0x24 [ 56.686396][ T95] dump_stack_lvl+0x1a7/0x208 [ 56.686406][ T95] ? show_regs_print_info+0x18/0x18 [ 56.686416][ T95] ? prandom_u32+0x24d/0x290 [ 56.686426][ T95] dump_stack+0x15/0x1c [ 56.686435][ T95] should_fail+0x3ab/0x500 [ 56.686445][ T95] ? copy_sighand+0x54/0x220 [ 56.686455][ T95] __should_failslab+0xa4/0xe0 [ 56.686466][ T95] should_failslab+0x9/0x20 [ 56.686482][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 56.700361][ T393] FAULT_INJECTION: forcing a failure. [ 56.700361][ T393] name failslab, interval 1, probability 1, space 0, times 888 [ 56.709253][ T95] copy_sighand+0x54/0x220 [ 56.709261][ T95] ? copy_process+0x130d/0x3320 [ 56.709269][ T95] copy_process+0x132e/0x3320 [ 56.709280][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 56.709289][ T95] ? __pidfd_prepare+0x150/0x150 [ 56.709298][ T95] ? __sock_set_mark+0x160/0x160 [ 56.709307][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 56.709324][ T95] kernel_clone+0x233/0x950 [ 56.810118][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 56.815647][ T95] ? create_io_thread+0x170/0x170 [ 56.820656][ T95] __x64_sys_clone+0x198/0x210 [ 56.825402][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 56.830411][ T95] ? debug_smp_processor_id+0x17/0x20 [ 56.835785][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 56.841846][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 56.847470][ T95] do_syscall_64+0x31/0x40 [ 56.851882][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.857757][ T95] RIP: 0033:0x7fd208431636 [ 56.862159][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 56.881774][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.890177][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 56.898133][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 56.906088][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 56.914042][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 56.921996][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.929982][ T394] CPU: 1 PID: 394 Comm: udevd Not tainted syzkaller #0 [ 56.936819][ T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.946853][ T394] Call Trace: [ 56.950126][ T394] __dump_stack+0x21/0x24 [ 56.954433][ T394] dump_stack_lvl+0x1a7/0x208 [ 56.959090][ T394] ? thaw_kernel_threads+0x220/0x220 [ 56.964374][ T394] ? show_regs_print_info+0x18/0x18 [ 56.969563][ T394] ? prandom_u32+0x24d/0x290 [ 56.974139][ T394] dump_stack+0x15/0x1c [ 56.978289][ T394] should_fail+0x3ab/0x500 [ 56.982687][ T394] ? getname_flags+0xba/0x510 [ 56.987354][ T394] __should_failslab+0xa4/0xe0 [ 56.992097][ T394] should_failslab+0x9/0x20 [ 56.996586][ T394] kmem_cache_alloc+0x3d/0x2d0 [ 57.001346][ T394] getname_flags+0xba/0x510 [ 57.005824][ T394] getname+0x19/0x20 [ 57.009696][ T394] do_sys_openat2+0xde/0x750 [ 57.014263][ T394] ? up_read+0x12/0x50 [ 57.018309][ T394] ? do_user_addr_fault+0x775/0xe20 [ 57.023484][ T394] ? do_sys_open+0xe0/0xe0 [ 57.027906][ T394] ? debug_smp_processor_id+0x17/0x20 [ 57.033266][ T394] __x64_sys_openat+0x136/0x160 [ 57.038102][ T394] do_syscall_64+0x31/0x40 [ 57.042501][ T394] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.048372][ T394] RIP: 0033:0x7fd2083e7407 [ 57.052770][ T394] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 57.072354][ T394] RSP: 002b:00007ffccd130160 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 57.080744][ T394] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 57.088694][ T394] RDX: 0000000000080000 RSI: 00007ffccd1302e0 RDI: ffffffffffffff9c [ 57.096675][ T394] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 57.104715][ T394] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 57.112667][ T394] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000000000000004 [ 57.120798][ T393] CPU: 1 PID: 393 Comm: syz-executor Not tainted syzkaller #0 [ 57.120803][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 57.121853][ T95] FAULT_INJECTION: forcing a failure. [ 57.121853][ T95] name failslab, interval 1, probability 1, space 0, times 887 [ 57.128251][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.158108][ T393] Call Trace: [ 57.161381][ T393] __dump_stack+0x21/0x24 [ 57.165687][ T393] dump_stack_lvl+0x1a7/0x208 [ 57.170344][ T393] ? show_regs_print_info+0x18/0x18 [ 57.175517][ T393] ? prandom_u32+0x24d/0x290 [ 57.180084][ T393] dump_stack+0x15/0x1c [ 57.184235][ T393] should_fail+0x3ab/0x500 [ 57.188629][ T393] ? copy_mm+0x18b/0x13d0 [ 57.192937][ T393] __should_failslab+0xa4/0xe0 [ 57.197682][ T393] should_failslab+0x9/0x20 [ 57.202166][ T393] kmem_cache_alloc+0x3d/0x2d0 [ 57.206905][ T393] copy_mm+0x18b/0x13d0 [ 57.211040][ T393] ? _raw_spin_lock+0x94/0xf0 [ 57.215694][ T393] ? copy_signal+0x5f0/0x5f0 [ 57.220262][ T393] ? __kasan_check_write+0x14/0x20 [ 57.225351][ T393] ? __init_rwsem+0xd5/0x1c0 [ 57.229917][ T393] ? copy_signal+0x4cc/0x5f0 [ 57.234485][ T393] copy_process+0x1386/0x3320 [ 57.239140][ T393] ? copy_pid_ns+0x1d1/0x810 [ 57.243708][ T393] ? copy_pid_ns+0x26e/0x810 [ 57.248275][ T393] ? __pidfd_prepare+0x150/0x150 [ 57.253188][ T393] ? copy_pid_ns+0x648/0x810 [ 57.257753][ T393] kernel_clone+0x233/0x950 [ 57.262234][ T393] ? _raw_spin_lock_irqsave+0x130/0x130 [ 57.267777][ T393] ? create_io_thread+0x170/0x170 [ 57.272780][ T393] __x64_sys_clone+0x198/0x210 [ 57.277518][ T393] ? __ia32_sys_vfork+0x130/0x130 [ 57.282520][ T393] ? debug_smp_processor_id+0x17/0x20 [ 57.287869][ T393] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.293913][ T393] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 57.299527][ T393] do_syscall_64+0x31/0x40 [ 57.303920][ T393] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.309788][ T393] RIP: 0033:0x7fb636c99912 [ 57.314181][ T393] Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 [ 57.333762][ T393] RSP: 002b:00007ffc2e1a00b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.342154][ T393] RAX: ffffffffffffffda RBX: 00007ffc2e1a00b0 RCX: 00007fb636c99912 [ 57.350104][ T393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.358049][ T393] RBP: 00007ffc2e1a0250 R08: 0000000000000000 R09: 0000000000000000 [ 57.366000][ T393] R10: 0000555588b2c7d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.373949][ T393] R13: 0000000000000002 R14: 00007ffc2e1a0438 R15: 0000000000000000 [ 57.381943][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 57.385841][ T396] FAULT_INJECTION: forcing a failure. [ 57.385841][ T396] name failslab, interval 1, probability 1, space 0, times 885 [ 57.388700][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.411457][ T95] Call Trace: [ 57.414736][ T95] __dump_stack+0x21/0x24 [ 57.419051][ T95] dump_stack_lvl+0x1a7/0x208 [ 57.423709][ T95] ? show_regs_print_info+0x18/0x18 [ 57.428891][ T95] ? prandom_u32+0x24d/0x290 [ 57.433468][ T95] dump_stack+0x15/0x1c [ 57.437603][ T95] should_fail+0x3ab/0x500 [ 57.442003][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 57.446753][ T95] __should_failslab+0xa4/0xe0 [ 57.451499][ T95] should_failslab+0x9/0x20 [ 57.455988][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 57.460735][ T95] anon_vma_clone+0xb7/0x4c0 [ 57.465399][ T95] anon_vma_fork+0x8f/0x520 [ 57.469888][ T95] copy_mm+0x8f9/0x13d0 [ 57.474024][ T95] ? copy_signal+0x5f0/0x5f0 [ 57.478596][ T95] ? __init_rwsem+0xd5/0x1c0 [ 57.483167][ T95] ? copy_signal+0x4cc/0x5f0 [ 57.487738][ T95] copy_process+0x1386/0x3320 [ 57.492403][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 57.497582][ T95] ? __pidfd_prepare+0x150/0x150 [ 57.502502][ T95] ? __sock_set_mark+0x160/0x160 [ 57.507419][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 57.513210][ T95] kernel_clone+0x233/0x950 [ 57.517697][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 57.523220][ T95] ? create_io_thread+0x170/0x170 [ 57.528228][ T95] __x64_sys_clone+0x198/0x210 [ 57.532973][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 57.537984][ T95] ? debug_smp_processor_id+0x17/0x20 [ 57.539002][ C1] FAULT_INJECTION: forcing a failure. [ 57.539002][ C1] name failslab, interval 1, probability 1, space 0, times 885 [ 57.543342][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.562199][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 57.567819][ T95] do_syscall_64+0x31/0x40 [ 57.572221][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.578093][ T95] RIP: 0033:0x7fd208431636 [ 57.582494][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 57.602083][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.610482][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 57.618455][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.626417][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 57.634376][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 57.642333][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 57.650299][ C1] CPU: 1 PID: 396 Comm: syz-executor Not tainted syzkaller #0 [ 57.650806][ T95] FAULT_INJECTION: forcing a failure. [ 57.650806][ T95] name failslab, interval 1, probability 1, space 0, times 884 [ 57.657750][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.680503][ C1] Call Trace: [ 57.683770][ C1] [ 57.686610][ C1] __dump_stack+0x21/0x24 [ 57.690921][ C1] dump_stack_lvl+0x1a7/0x208 [ 57.695583][ C1] ? thaw_kernel_threads+0x220/0x220 [ 57.700851][ C1] ? show_regs_print_info+0x18/0x18 [ 57.706029][ C1] ? prandom_u32+0x24d/0x290 [ 57.710602][ C1] dump_stack+0x15/0x1c [ 57.714742][ C1] should_fail+0x3ab/0x500 [ 57.719142][ C1] ? ndisc_send_rs+0x310/0x960 [ 57.723888][ C1] __should_failslab+0xa4/0xe0 [ 57.728679][ C1] should_failslab+0x9/0x20 [ 57.733189][ C1] __kmalloc_track_caller+0x5f/0x310 [ 57.738474][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 57.743490][ C1] ? __alloc_skb+0x9e/0x520 [ 57.747981][ C1] ? ndisc_send_rs+0x310/0x960 [ 57.752756][ C1] __alloc_skb+0xdc/0x520 [ 57.757073][ C1] ndisc_send_rs+0x310/0x960 [ 57.761654][ C1] addrconf_rs_timer+0x35a/0x600 [ 57.766595][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 57.772659][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 57.777674][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 57.783206][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 57.789259][ C1] call_timer_fn+0x38/0x290 [ 57.793777][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 57.799828][ C1] __run_timers+0x637/0x9a0 [ 57.804316][ C1] ? calc_index+0x200/0x200 [ 57.808801][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 57.813636][ C1] run_timer_softirq+0x6a/0xf0 [ 57.818380][ C1] __do_softirq+0x255/0x563 [ 57.822868][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 57.828397][ C1] asm_call_irq_on_stack+0xf/0x20 [ 57.833409][ C1] [ 57.836336][ C1] do_softirq_own_stack+0x60/0x80 [ 57.841343][ C1] __irq_exit_rcu+0x128/0x150 [ 57.846014][ C1] irq_exit_rcu+0x9/0x10 [ 57.850243][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 57.855858][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 57.861824][ C1] RIP: 0010:__kasan_check_read+0x4/0x20 [ 57.867354][ C1] Code: 5d 41 5e 41 5f 5d c3 48 c7 c7 52 74 bd 85 eb 0a 48 c7 c7 bd 18 b3 85 48 89 de e8 77 e1 d9 02 45 31 ff eb d1 00 00 55 48 89 e5 <89> f6 48 8b 4d 08 31 d2 e8 af ed ff ff 5d c3 66 2e 0f 1f 84 00 00 [ 57.886944][ C1] RSP: 0018:ffffc90000cb7bf0 EFLAGS: 00000293 [ 57.893003][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888111ab4f00 [ 57.900960][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 57.908918][ C1] RBP: ffffc90000cb7bf0 R08: 0000000000000003 R09: 0000000000000004 [ 57.916874][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff92000196f84 [ 57.924826][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 57.932792][ C1] ? dump_stack_lvl+0x11a/0x208 [ 57.937626][ C1] dump_stack_lvl+0x10a/0x208 [ 57.942285][ C1] ? show_regs_print_info+0x18/0x18 [ 57.947467][ C1] dump_stack+0x15/0x1c [ 57.951606][ C1] should_fail+0x3ab/0x500 [ 57.956009][ C1] ? mm_alloc+0x23/0xb0 [ 57.960142][ C1] __should_failslab+0xa4/0xe0 [ 57.964886][ C1] should_failslab+0x9/0x20 [ 57.969368][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 57.974106][ C1] mm_alloc+0x23/0xb0 [ 57.978064][ C1] alloc_bprm+0x1d5/0x630 [ 57.982378][ C1] ? __check_object_size+0x2dd/0x3b0 [ 57.987660][ C1] do_execveat_common+0x1b1/0xab0 [ 57.992674][ C1] __x64_sys_execve+0x92/0xb0 [ 57.997339][ C1] do_syscall_64+0x31/0x40 [ 58.001741][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.007615][ C1] RIP: 0033:0x7f68461d09d7 [ 58.012014][ C1] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 58.031595][ C1] RSP: 002b:00007f6846409de8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b [ 58.039985][ C1] RAX: ffffffffffffffda RBX: 00007ffe28796ed8 RCX: 00007f68461d09d7 [ 58.047936][ C1] RDX: 00007ffe28796000 RSI: 00007ffe28796240 RDI: 00007ffe28796ed8 [ 58.055896][ C1] RBP: 00007f6846409e60 R08: 00007ffe28795dd0 R09: 0000000000000000 [ 58.063848][ C1] R10: 0000000000000008 R11: 0000000000000206 R12: 00007ffe28796240 [ 58.071828][ C1] R13: 00007ffe28796000 R14: 0000000000000000 R15: 0000000000000000 [ 58.079835][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 58.086591][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.096624][ T95] Call Trace: [ 58.099896][ T95] __dump_stack+0x21/0x24 [ 58.104201][ T95] dump_stack_lvl+0x1a7/0x208 [ 58.108856][ T95] ? thaw_kernel_threads+0x220/0x220 [ 58.114121][ T95] ? show_regs_print_info+0x18/0x18 [ 58.119293][ T95] ? prandom_u32+0x24d/0x290 [ 58.123863][ T95] dump_stack+0x15/0x1c [ 58.128006][ T95] should_fail+0x3ab/0x500 [ 58.132402][ T95] ? anon_vma_fork+0xf8/0x520 [ 58.137055][ T95] __should_failslab+0xa4/0xe0 [ 58.141798][ T95] should_failslab+0x9/0x20 [ 58.146279][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 58.151018][ T95] anon_vma_fork+0xf8/0x520 [ 58.155499][ T95] copy_mm+0x8f9/0x13d0 [ 58.159631][ T95] ? copy_signal+0x5f0/0x5f0 [ 58.164200][ T95] ? __init_rwsem+0xd5/0x1c0 [ 58.168765][ T95] ? copy_signal+0x4cc/0x5f0 [ 58.173335][ T95] copy_process+0x1386/0x3320 [ 58.177992][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 58.183171][ T95] ? __pidfd_prepare+0x150/0x150 [ 58.188090][ T95] ? __sock_set_mark+0x160/0x160 [ 58.193005][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 58.198787][ T95] kernel_clone+0x233/0x950 [ 58.203279][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 58.208803][ T95] ? create_io_thread+0x170/0x170 [ 58.213815][ T95] __x64_sys_clone+0x198/0x210 [ 58.218559][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 58.223561][ T95] ? debug_smp_processor_id+0x17/0x20 [ 58.228911][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 58.234955][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 58.240564][ T95] do_syscall_64+0x31/0x40 [ 58.244958][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.250843][ T95] RIP: 0033:0x7fd208431636 [ 58.255237][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 58.274820][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.283212][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 58.291182][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.299133][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 58.307082][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 58.315029][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.323051][ T396] CPU: 1 PID: 396 Comm: syz-executor Not tainted syzkaller #0 [ 58.330503][ T396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.340535][ T396] Call Trace: [ 58.343813][ T396] __dump_stack+0x21/0x24 [ 58.348123][ T396] dump_stack_lvl+0x1a7/0x208 [ 58.352780][ T396] ? show_regs_print_info+0x18/0x18 [ 58.357961][ T396] dump_stack+0x15/0x1c [ 58.362091][ T396] should_fail+0x3ab/0x500 [ 58.366483][ T396] ? mm_alloc+0x23/0xb0 [ 58.370618][ T396] __should_failslab+0xa4/0xe0 [ 58.375384][ T396] should_failslab+0x9/0x20 [ 58.379882][ T396] kmem_cache_alloc+0x3d/0x2d0 [ 58.384631][ T396] mm_alloc+0x23/0xb0 [ 58.388592][ T396] alloc_bprm+0x1d5/0x630 [ 58.392902][ T396] ? __check_object_size+0x2dd/0x3b0 [ 58.398165][ T396] do_execveat_common+0x1b1/0xab0 [ 58.403169][ T396] __x64_sys_execve+0x92/0xb0 [ 58.407825][ T396] do_syscall_64+0x31/0x40 [ 58.412217][ T396] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.418086][ T396] RIP: 0033:0x7f68461d09d7 [ 58.422482][ T396] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 58.442063][ T396] RSP: 002b:00007f6846409de8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b [ 58.450454][ T396] RAX: ffffffffffffffda RBX: 00007ffe28796ed8 RCX: 00007f68461d09d7 [ 58.458403][ T396] RDX: 00007ffe28796000 RSI: 00007ffe28796240 RDI: 00007ffe28796ed8 [ 58.466356][ T396] RBP: 00007f6846409e60 R08: 00007ffe28795dd0 R09: 0000000000000000 [ 58.474329][ T396] R10: 0000000000000008 R11: 0000000000000206 R12: 00007ffe28796240 [ 58.482277][ T396] R13: 00007ffe28796000 R14: 0000000000000000 R15: 0000000000000000 SYZFAIL: posix_spawnp failed (errno 12: Cannot allocate memory) connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 58.491536][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 58.500209][ T95] FAULT_INJECTION: forcing a failure. [ 58.500209][ T95] name failslab, interval 1, probability 1, space 0, times 881 [ 58.513033][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 58.519783][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.529463][ T134] FAULT_INJECTION: forcing a failure. [ 58.529463][ T134] name failslab, interval 1, probability 1, space 0, times 881 [ 58.529828][ T95] Call Trace: [ 58.545829][ T95] __dump_stack+0x21/0x24 [ 58.550144][ T95] dump_stack_lvl+0x1a7/0x208 [ 58.554817][ T95] ? show_regs_print_info+0x18/0x18 [ 58.560005][ T95] ? prandom_u32+0x24d/0x290 [ 58.564587][ T95] dump_stack+0x15/0x1c [ 58.568722][ T95] should_fail+0x3ab/0x500 [ 58.573127][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 58.577882][ T95] __should_failslab+0xa4/0xe0 [ 58.582637][ T95] should_failslab+0x9/0x20 [ 58.587148][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 58.591904][ T95] anon_vma_clone+0xb7/0x4c0 [ 58.596485][ T95] anon_vma_fork+0x8f/0x520 [ 58.600977][ T95] copy_mm+0x8f9/0x13d0 [ 58.605113][ T95] ? copy_signal+0x5f0/0x5f0 [ 58.609687][ T95] ? __init_rwsem+0xd5/0x1c0 [ 58.614266][ T95] ? copy_signal+0x4cc/0x5f0 [ 58.618844][ T95] copy_process+0x1386/0x3320 [ 58.623510][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 58.628687][ T95] ? __pidfd_prepare+0x150/0x150 [ 58.633613][ T95] ? __sock_set_mark+0x160/0x160 [ 58.638541][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 58.644332][ T95] kernel_clone+0x233/0x950 [ 58.648820][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 58.654353][ T95] ? create_io_thread+0x170/0x170 [ 58.659370][ T95] __x64_sys_clone+0x198/0x210 [ 58.664117][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 58.669129][ T95] ? debug_smp_processor_id+0x17/0x20 [ 58.674494][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 58.680555][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 58.686176][ T95] do_syscall_64+0x31/0x40 [ 58.690590][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.696569][ T95] RIP: 0033:0x7fd208431636 [ 58.700977][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 58.720607][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.729010][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 58.736973][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.744931][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 58.752888][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 58.760853][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.768813][ T134] CPU: 1 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 58.769356][ T95] FAULT_INJECTION: forcing a failure. [ 58.769356][ T95] name failslab, interval 1, probability 1, space 0, times 880 [ 58.775738][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.798494][ T134] Call Trace: [ 58.801776][ T134] __dump_stack+0x21/0x24 [ 58.806088][ T134] dump_stack_lvl+0x1a7/0x208 [ 58.810749][ T134] ? thaw_kernel_threads+0x220/0x220 [ 58.816114][ T134] ? show_regs_print_info+0x18/0x18 [ 58.821313][ T134] ? prandom_u32+0x24d/0x290 [ 58.825890][ T134] dump_stack+0x15/0x1c [ 58.830036][ T134] should_fail+0x3ab/0x500 [ 58.834444][ T134] ? getname_flags+0xba/0x510 [ 58.839109][ T134] __should_failslab+0xa4/0xe0 [ 58.843852][ T134] should_failslab+0x9/0x20 [ 58.848336][ T134] kmem_cache_alloc+0x3d/0x2d0 [ 58.853084][ T134] getname_flags+0xba/0x510 [ 58.857571][ T134] getname+0x19/0x20 [ 58.861446][ T134] do_sys_openat2+0xde/0x750 [ 58.866040][ T134] ? __kasan_check_read+0x11/0x20 [ 58.871048][ T134] ? __fdget_pos+0x1f7/0x380 [ 58.875619][ T134] ? do_sys_open+0xe0/0xe0 [ 58.880019][ T134] ? ksys_read+0x1eb/0x260 [ 58.884413][ T134] ? vfs_write+0xd70/0xd70 [ 58.888806][ T134] ? ____fput+0x15/0x20 [ 58.892945][ T134] __x64_sys_openat+0x136/0x160 [ 58.897779][ T134] do_syscall_64+0x31/0x40 [ 58.902261][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.908130][ T134] RIP: 0033:0x7f2097155407 [ 58.912536][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 58.932139][ T134] RSP: 002b:00007fff24019e80 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 58.940539][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 58.948492][ T134] RDX: 0000000000000000 RSI: 00007fff2402a130 RDI: ffffffffffffff9c [ 58.956444][ T134] RBP: 00000000000100a0 R08: 0000000000000000 R09: 0000000000000000 [ 58.964399][ T134] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff24019fb0 [ 58.972350][ T134] R13: 00007f20970cb6c8 R14: 000000000000001d R15: 00007fff2402a0a0 [ 58.980312][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 58.981119][ T134] FAULT_INJECTION: forcing a failure. [ 58.981119][ T134] name failslab, interval 1, probability 1, space 0, times 879 [ 58.987081][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.009989][ T95] Call Trace: [ 59.013273][ T95] __dump_stack+0x21/0x24 [ 59.017588][ T95] dump_stack_lvl+0x1a7/0x208 [ 59.022258][ T95] ? show_regs_print_info+0x18/0x18 [ 59.027439][ T95] ? prandom_u32+0x24d/0x290 [ 59.032013][ T95] dump_stack+0x15/0x1c [ 59.036171][ T95] should_fail+0x3ab/0x500 [ 59.040571][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 59.045314][ T95] __should_failslab+0xa4/0xe0 [ 59.050056][ T95] should_failslab+0x9/0x20 [ 59.054549][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 59.059291][ T95] anon_vma_clone+0xb7/0x4c0 [ 59.063861][ T95] anon_vma_fork+0x8f/0x520 [ 59.068350][ T95] copy_mm+0x8f9/0x13d0 [ 59.072489][ T95] ? copy_signal+0x5f0/0x5f0 [ 59.077059][ T95] ? __init_rwsem+0xd5/0x1c0 [ 59.081637][ T95] ? copy_signal+0x4cc/0x5f0 [ 59.086203][ T95] copy_process+0x1386/0x3320 [ 59.090867][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 59.096043][ T95] ? __pidfd_prepare+0x150/0x150 [ 59.100961][ T95] ? __sock_set_mark+0x160/0x160 [ 59.105878][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 59.111668][ T95] kernel_clone+0x233/0x950 [ 59.116153][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 59.121677][ T95] ? create_io_thread+0x170/0x170 [ 59.126685][ T95] __x64_sys_clone+0x198/0x210 [ 59.131430][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 59.136439][ T95] ? debug_smp_processor_id+0x17/0x20 [ 59.141799][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.147851][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 59.153464][ T95] do_syscall_64+0x31/0x40 [ 59.157860][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 59.163729][ T95] RIP: 0033:0x7fd208431636 [ 59.168128][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 59.187734][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.196127][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 59.204077][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 59.212034][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 59.220073][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 59.228025][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.235989][ T134] CPU: 1 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 59.242909][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.252941][ T134] Call Trace: [ 59.256210][ T134] __dump_stack+0x21/0x24 [ 59.260517][ T134] dump_stack_lvl+0x1a7/0x208 [ 59.265168][ T134] ? thaw_kernel_threads+0x220/0x220 [ 59.270427][ T134] ? show_regs_print_info+0x18/0x18 [ 59.275603][ T134] ? prandom_u32+0x24d/0x290 [ 59.280168][ T134] dump_stack+0x15/0x1c [ 59.284304][ T134] should_fail+0x3ab/0x500 [ 59.288700][ T134] ? alloc_skb_with_frags+0xa3/0x560 [ 59.293962][ T134] __should_failslab+0xa4/0xe0 [ 59.298702][ T134] should_failslab+0x9/0x20 [ 59.303179][ T134] __kmalloc_track_caller+0x5f/0x310 [ 59.308439][ T134] ? kmem_cache_alloc+0x15a/0x2d0 [ 59.313439][ T134] ? __alloc_skb+0x9e/0x520 [ 59.317918][ T134] ? alloc_skb_with_frags+0xa3/0x560 [ 59.323180][ T134] __alloc_skb+0xdc/0x520 [ 59.327488][ T134] alloc_skb_with_frags+0xa3/0x560 [ 59.332610][ T134] ? kfree_skbmem+0x10c/0x180 [ 59.337277][ T134] sock_alloc_send_pskb+0x87f/0x9a0 [ 59.342455][ T134] ? sock_kzfree_s+0x60/0x60 [ 59.347040][ T134] ? __kasan_check_write+0x14/0x20 [ 59.352131][ T134] ? _raw_spin_lock+0x94/0xf0 [ 59.356784][ T134] ? _raw_spin_trylock_bh+0x150/0x150 [ 59.362148][ T134] unix_dgram_sendmsg+0x6f3/0x18f0 [ 59.367255][ T134] ? unix_dgram_poll+0x640/0x640 [ 59.372179][ T134] ? security_socket_sendmsg+0x82/0xa0 [ 59.377615][ T134] __sys_sendto+0x467/0x620 [ 59.382095][ T134] ? __ia32_sys_getpeername+0x90/0x90 [ 59.387461][ T134] ? __kasan_check_read+0x11/0x20 [ 59.392461][ T134] ? __fdget_pos+0x1f7/0x380 [ 59.397028][ T134] ? vfs_write+0xd70/0xd70 [ 59.401420][ T134] ? ____fput+0x15/0x20 [ 59.405550][ T134] __x64_sys_sendto+0xe5/0x100 [ 59.410289][ T134] do_syscall_64+0x31/0x40 [ 59.414683][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 59.420552][ T134] RIP: 0033:0x7f2097155407 [ 59.424958][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 59.444536][ T134] RSP: 002b:00007fff24039360 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 59.452927][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 59.460873][ T134] RDX: 0000000000000043 RSI: 00007fff240394a0 RDI: 0000000000000003 [ 59.468819][ T134] RBP: 00007fff240398d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.476767][ T134] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff24039d20 [ 59.484716][ T134] R13: 00007fff240394a0 R14: 0000000000000022 R15: 00007fff240394a0 [ 59.493016][ T95] FAULT_INJECTION: forcing a failure. [ 59.493016][ T95] name failslab, interval 1, probability 1, space 0, times 877 [ 59.505820][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 59.507609][ T7] FAULT_INJECTION: forcing a failure. [ 59.507609][ T7] name failslab, interval 1, probability 1, space 0, times 877 [ 59.512566][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.512570][ T95] Call Trace: [ 59.512587][ T95] __dump_stack+0x21/0x24 [ 59.512596][ T95] dump_stack_lvl+0x1a7/0x208 [ 59.512606][ T95] ? show_regs_print_info+0x18/0x18 [ 59.512629][ T95] ? prandom_u32+0x24d/0x290 [ 59.557288][ T95] dump_stack+0x15/0x1c [ 59.561418][ T95] should_fail+0x3ab/0x500 [ 59.565808][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 59.570546][ T95] __should_failslab+0xa4/0xe0 [ 59.575283][ T95] should_failslab+0x9/0x20 [ 59.579760][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 59.584499][ T95] anon_vma_clone+0xb7/0x4c0 [ 59.589088][ T95] anon_vma_fork+0x8f/0x520 [ 59.593568][ T95] copy_mm+0x8f9/0x13d0 [ 59.597698][ T95] ? copy_signal+0x5f0/0x5f0 [ 59.602268][ T95] ? __init_rwsem+0xd5/0x1c0 [ 59.606831][ T95] ? copy_signal+0x4cc/0x5f0 [ 59.611398][ T95] copy_process+0x1386/0x3320 [ 59.616055][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 59.621227][ T95] ? __pidfd_prepare+0x150/0x150 [ 59.626140][ T95] ? __sock_set_mark+0x160/0x160 [ 59.631065][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 59.636844][ T95] kernel_clone+0x233/0x950 [ 59.641332][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 59.646858][ T95] ? create_io_thread+0x170/0x170 [ 59.651859][ T95] __x64_sys_clone+0x198/0x210 [ 59.656597][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 59.661608][ T95] ? debug_smp_processor_id+0x17/0x20 [ 59.666958][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.673010][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 59.678624][ T95] do_syscall_64+0x31/0x40 [ 59.683015][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 59.688884][ T95] RIP: 0033:0x7fd208431636 [ 59.693298][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 59.712876][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.721264][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 59.729212][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 59.737159][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 59.745110][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 59.753058][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.761043][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 59.761251][ T95] FAULT_INJECTION: forcing a failure. [ 59.761251][ T95] name failslab, interval 1, probability 1, space 0, times 876 [ 59.768313][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.791089][ T7] Workqueue: netns cleanup_net [ 59.795842][ T7] Call Trace: [ 59.799124][ T7] __dump_stack+0x21/0x24 [ 59.803433][ T7] dump_stack_lvl+0x1a7/0x208 [ 59.808092][ T7] ? show_regs_print_info+0x18/0x18 [ 59.813271][ T7] dump_stack+0x15/0x1c [ 59.817406][ T7] should_fail+0x3ab/0x500 [ 59.821802][ T7] ? rtmsg_ifinfo_build_skb+0x75/0x180 [ 59.827240][ T7] __should_failslab+0xa4/0xe0 [ 59.831988][ T7] should_failslab+0x9/0x20 [ 59.836474][ T7] __kmalloc_track_caller+0x5f/0x310 [ 59.841768][ T7] ? kmem_cache_alloc+0x15a/0x2d0 [ 59.846782][ T7] ? __alloc_skb+0x9e/0x520 [ 59.851274][ T7] ? rtmsg_ifinfo_build_skb+0x75/0x180 [ 59.856720][ T7] __alloc_skb+0xdc/0x520 [ 59.861038][ T7] rtmsg_ifinfo_build_skb+0x75/0x180 [ 59.866308][ T7] unregister_netdevice_many+0x10b9/0x19f0 [ 59.872105][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 59.877122][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 59.882995][ T7] ? list_netdevice+0x4c0/0x4c0 [ 59.887827][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 59.893705][ T7] ? list_netdevice+0x4c0/0x4c0 [ 59.898538][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 59.903805][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 59.908982][ T7] ? xfrmi6_err+0x640/0x640 [ 59.913466][ T7] vti_exit_batch_net+0x22/0x30 [ 59.918295][ T7] ? vti_init_net+0x140/0x140 [ 59.922951][ T7] cleanup_net+0x5fe/0xb80 [ 59.927351][ T7] ? __kasan_check_write+0x14/0x20 [ 59.932449][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 59.938242][ T7] ? ops_init+0x470/0x470 [ 59.942551][ T7] ? __kasan_check_read+0x11/0x20 [ 59.947557][ T7] ? read_word_at_a_time+0x12/0x20 [ 59.952657][ T7] ? strscpy+0x9b/0x290 [ 59.956791][ T7] process_one_work+0x6fd/0xbc0 [ 59.961621][ T7] worker_thread+0xa8e/0x13c0 [ 59.966285][ T7] kthread+0x324/0x3b0 [ 59.970351][ T7] ? worker_clr_flags+0x190/0x190 [ 59.975365][ T7] ? kthread_blkcg+0xd0/0xd0 [ 59.979938][ T7] ret_from_fork+0x1f/0x30 [ 59.984352][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 59.991110][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.001141][ T95] Call Trace: [ 60.004408][ T95] __dump_stack+0x21/0x24 [ 60.008708][ T95] dump_stack_lvl+0x1a7/0x208 [ 60.013355][ T95] ? thaw_kernel_threads+0x220/0x220 [ 60.018615][ T95] ? show_regs_print_info+0x18/0x18 [ 60.023785][ T95] ? prandom_u32+0x24d/0x290 [ 60.028358][ T95] dump_stack+0x15/0x1c [ 60.032486][ T95] should_fail+0x3ab/0x500 [ 60.036872][ T95] ? anon_vma_fork+0x1ff/0x520 [ 60.041610][ T95] __should_failslab+0xa4/0xe0 [ 60.046342][ T95] should_failslab+0x9/0x20 [ 60.050813][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 60.055544][ T95] ? anon_vma_fork+0xf8/0x520 [ 60.060190][ T95] anon_vma_fork+0x1ff/0x520 [ 60.064766][ T95] copy_mm+0x8f9/0x13d0 [ 60.068895][ T95] ? copy_signal+0x5f0/0x5f0 [ 60.073466][ T95] ? __init_rwsem+0xd5/0x1c0 [ 60.078023][ T95] ? copy_signal+0x4cc/0x5f0 [ 60.082581][ T95] copy_process+0x1386/0x3320 [ 60.087233][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 60.092401][ T95] ? __pidfd_prepare+0x150/0x150 [ 60.097308][ T95] ? __sock_set_mark+0x160/0x160 [ 60.102212][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 60.107988][ T95] kernel_clone+0x233/0x950 [ 60.112479][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.117995][ T95] ? create_io_thread+0x170/0x170 [ 60.122988][ T95] __x64_sys_clone+0x198/0x210 [ 60.127721][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 60.132720][ T95] ? debug_smp_processor_id+0x17/0x20 [ 60.138061][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.144096][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 60.149698][ T95] do_syscall_64+0x31/0x40 [ 60.154082][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 60.159941][ T95] RIP: 0033:0x7fd208431636 [ 60.164328][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 60.183907][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.192318][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 60.200271][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.208216][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 60.216160][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 60.224121][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.233544][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 60.234531][ T397] FAULT_INJECTION: forcing a failure. [ 60.234531][ T397] name failslab, interval 1, probability 1, space 0, times 874 [ 60.242588][ T95] FAULT_INJECTION: forcing a failure. [ 60.242588][ T95] name failslab, interval 1, probability 1, space 0, times 874 [ 60.253461][ T397] CPU: 1 PID: 397 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 60.253468][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.253472][ T397] Call Trace: [ 60.253489][ T397] __dump_stack+0x21/0x24 [ 60.253500][ T397] dump_stack_lvl+0x1a7/0x208 [ 60.253509][ T397] ? thaw_kernel_threads+0x220/0x220 [ 60.253524][ T397] ? show_regs_print_info+0x18/0x18 [ 60.306586][ T397] ? prandom_u32+0x24d/0x290 [ 60.311159][ T397] dump_stack+0x15/0x1c [ 60.315298][ T397] should_fail+0x3ab/0x500 [ 60.319695][ T397] ? __anon_vma_prepare+0x51/0x410 [ 60.324794][ T397] __should_failslab+0xa4/0xe0 [ 60.329540][ T397] should_failslab+0x9/0x20 [ 60.334028][ T397] kmem_cache_alloc+0x3d/0x2d0 [ 60.338773][ T397] __anon_vma_prepare+0x51/0x410 [ 60.343689][ T397] ? _raw_spin_trylock_bh+0x150/0x150 [ 60.349038][ T397] ? _raw_spin_lock+0x94/0xf0 [ 60.353699][ T397] handle_pte_fault+0x3015/0x3910 [ 60.358705][ T397] ? _raw_spin_unlock+0x4d/0x70 [ 60.363538][ T397] handle_mm_fault+0xf86/0x1720 [ 60.368370][ T397] ? can_reuse_spf_vma+0xe0/0xe0 [ 60.373292][ T397] ? memset+0x35/0x40 [ 60.377275][ T397] ? vmacache_update+0xb7/0x120 [ 60.382113][ T397] ? find_vma+0x13b/0x150 [ 60.386428][ T397] do_user_addr_fault+0x576/0xe20 [ 60.391434][ T397] ? do_kern_addr_fault+0x80/0x80 [ 60.396440][ T397] ? vm_mmap_pgoff+0x14d/0x350 [ 60.401186][ T397] exc_page_fault+0x5a/0xc0 [ 60.405671][ T397] asm_exc_page_fault+0x1e/0x30 [ 60.410505][ T397] RIP: 0010:clear_user+0x80/0xc0 [ 60.415440][ T397] Code: 4f e8 74 db 05 ff 0f 01 cb 89 d8 83 e0 07 48 c1 eb 03 4c 89 f7 48 89 d9 48 85 c9 74 1c 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a [ 60.435045][ T397] RSP: 0018:ffffc90000e67a88 EFLAGS: 00050206 [ 60.441097][ T397] RAX: 0000000000000000 RBX: 00000000000001ff RCX: 00000000000001ff [ 60.449055][ T397] RDX: 0000000000000000 RSI: 000055fe21a46000 RDI: 000055fe21a45008 [ 60.457009][ T397] RBP: ffffc90000e67ab0 R08: ffff888111ab3b47 R09: 1ffff11022356768 [ 60.464960][ T397] R10: dffffc0000000000 R11: ffffed1022356769 R12: 00007ffffffff000 [ 60.472933][ T397] R13: 00000000000040ff R14: 000055fe21a45008 R15: 000055fe21a46000 [ 60.480922][ T397] ? clear_user+0x5c/0xc0 [ 60.485235][ T397] load_elf_binary+0x1b01/0x2910 [ 60.490152][ T397] ? load_elf_binary+0x8f1/0x2910 [ 60.495154][ T397] ? load_script+0x8f0/0x8f0 [ 60.499723][ T397] ? _raw_read_unlock+0x25/0x40 [ 60.504550][ T397] bprm_execve+0x878/0x15c0 [ 60.509027][ T397] ? alloc_bprm+0x630/0x630 [ 60.513505][ T397] do_execveat_common+0x93a/0xab0 [ 60.518504][ T397] __x64_sys_execve+0x92/0xb0 [ 60.523154][ T397] do_syscall_64+0x31/0x40 [ 60.527542][ T397] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 60.533408][ T397] RIP: 0033:0x7f20971a0107 [ 60.537802][ T397] Code: Unable to access opcode bytes at RIP 0x7f20971a00dd. [ 60.545143][ T397] RSP: 002b:00007f2097009e68 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 60.553529][ T397] RAX: ffffffffffffffda RBX: 00007fff24019da0 RCX: 00007f20971a0107 [ 60.561479][ T397] RDX: 0000563bd4343b10 RSI: 00007fff24019f90 RDI: 0000563ba93526bd [ 60.569430][ T397] RBP: 00007f2097009ff0 R08: 0000000000000000 R09: 0000000000000000 [ 60.577376][ T397] R10: 0000000000000008 R11: 0000000000000202 R12: 0000000000000001 [ 60.585324][ T397] R13: 00007fff24019a80 R14: 00007f2097009f20 R15: 0000000000000040 [ 60.593308][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 60.600067][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.601060][ T398] FAULT_INJECTION: forcing a failure. [ 60.601060][ T398] name failslab, interval 1, probability 1, space 0, times 873 [ 60.610108][ T95] Call Trace: [ 60.610125][ T95] __dump_stack+0x21/0x24 [ 60.610134][ T95] dump_stack_lvl+0x1a7/0x208 [ 60.610150][ T95] ? thaw_kernel_threads+0x220/0x220 [ 60.640336][ T95] ? show_regs_print_info+0x18/0x18 [ 60.645511][ T95] ? prandom_u32+0x24d/0x290 [ 60.650079][ T95] dump_stack+0x15/0x1c [ 60.654216][ T95] should_fail+0x3ab/0x500 [ 60.658612][ T95] ? vm_area_dup+0x26/0x250 [ 60.663094][ T95] __should_failslab+0xa4/0xe0 [ 60.667840][ T95] should_failslab+0x9/0x20 [ 60.672326][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 60.677068][ T95] vm_area_dup+0x26/0x250 [ 60.681376][ T95] copy_mm+0x857/0x13d0 [ 60.685514][ T95] ? copy_signal+0x5f0/0x5f0 [ 60.690084][ T95] ? __init_rwsem+0xd5/0x1c0 [ 60.694649][ T95] ? copy_signal+0x4cc/0x5f0 [ 60.699215][ T95] copy_process+0x1386/0x3320 [ 60.703871][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 60.709114][ T95] ? __pidfd_prepare+0x150/0x150 [ 60.714029][ T95] ? __sock_set_mark+0x160/0x160 [ 60.718940][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 60.724719][ T95] kernel_clone+0x233/0x950 [ 60.729197][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.734713][ T95] ? create_io_thread+0x170/0x170 [ 60.739710][ T95] __x64_sys_clone+0x198/0x210 [ 60.744452][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 60.749460][ T95] ? debug_smp_processor_id+0x17/0x20 [ 60.754807][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.760846][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 60.766452][ T95] do_syscall_64+0x31/0x40 [ 60.770843][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 60.776713][ T95] RIP: 0033:0x7fd208431636 [ 60.781105][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 60.800685][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.809072][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 60.817018][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.824962][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 60.832911][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 60.840862][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.848850][ T398] CPU: 1 PID: 398 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 60.850220][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 60.856565][ T398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.864962][ T394] FAULT_INJECTION: forcing a failure. [ 60.864962][ T394] name failslab, interval 1, probability 1, space 0, times 872 [ 60.873672][ T398] Call Trace: [ 60.873689][ T398] __dump_stack+0x21/0x24 [ 60.873698][ T398] dump_stack_lvl+0x1a7/0x208 [ 60.873708][ T398] ? show_regs_print_info+0x18/0x18 [ 60.873724][ T398] ? prandom_u32+0x24d/0x290 [ 60.887304][ T390] FAULT_INJECTION: forcing a failure. [ 60.887304][ T390] name failslab, interval 1, probability 1, space 0, times 872 [ 60.889709][ T398] dump_stack+0x15/0x1c [ 60.889718][ T398] should_fail+0x3ab/0x500 [ 60.889734][ T398] ? copy_sighand+0x54/0x220 [ 60.899470][ T95] FAULT_INJECTION: forcing a failure. [ 60.899470][ T95] name failslab, interval 1, probability 1, space 0, times 872 [ 60.903853][ T398] __should_failslab+0xa4/0xe0 [ 60.951656][ T398] should_failslab+0x9/0x20 [ 60.956140][ T398] kmem_cache_alloc+0x3d/0x2d0 [ 60.960885][ T398] copy_sighand+0x54/0x220 [ 60.965285][ T398] ? copy_process+0x130d/0x3320 [ 60.970115][ T398] copy_process+0x132e/0x3320 [ 60.974795][ T398] ? __pidfd_prepare+0x150/0x150 [ 60.979712][ T398] ? __alloc_fd+0x570/0x570 [ 60.984200][ T398] kernel_clone+0x233/0x950 [ 60.988689][ T398] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.994229][ T398] ? create_io_thread+0x170/0x170 [ 60.999245][ T398] __x64_sys_clone+0x198/0x210 [ 61.004003][ T398] ? __ia32_sys_vfork+0x130/0x130 [ 61.009018][ T398] ? do_pipe2+0x106/0x190 [ 61.013332][ T398] ? debug_smp_processor_id+0x17/0x20 [ 61.018695][ T398] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 61.024747][ T398] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 61.030363][ T398] do_syscall_64+0x31/0x40 [ 61.034771][ T398] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 61.040644][ T398] RIP: 0033:0x7f5a29be9636 [ 61.045040][ T398] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 61.064626][ T398] RSP: 002b:00007ffe841fd130 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.073020][ T398] RAX: ffffffffffffffda RBX: 00007ffe841fd138 RCX: 00007f5a29be9636 [ 61.080976][ T398] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 61.088930][ T398] RBP: 000056091e27a5e0 R08: 0000000000000000 R09: 00000000000000d0 [ 61.096881][ T398] R10: 00007f5a29a4ff50 R11: 0000000000000246 R12: 000056091e288d80 [ 61.104830][ T398] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.112799][ T394] CPU: 0 PID: 394 Comm: udevd Not tainted syzkaller #0 [ 61.119632][ T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.129660][ T394] Call Trace: [ 61.132930][ T394] __dump_stack+0x21/0x24 [ 61.137233][ T394] dump_stack_lvl+0x1a7/0x208 [ 61.141885][ T394] ? show_regs_print_info+0x18/0x18 [ 61.147068][ T394] dump_stack+0x15/0x1c [ 61.151199][ T394] should_fail+0x3ab/0x500 [ 61.155605][ T394] ? __d_alloc+0x2d/0x690 [ 61.159914][ T394] __should_failslab+0xa4/0xe0 [ 61.164660][ T394] should_failslab+0x9/0x20 [ 61.169142][ T394] kmem_cache_alloc+0x3d/0x2d0 [ 61.173885][ T394] __d_alloc+0x2d/0x690 [ 61.178020][ T394] d_alloc_parallel+0xe2/0x1390 [ 61.182849][ T394] ? selinux_inode_permission+0x406/0x5f0 [ 61.188562][ T394] ? selinux_inode_follow_link+0x370/0x370 [ 61.194344][ T394] ? d_hash_and_lookup+0x1f0/0x1f0 [ 61.199431][ T394] ? __d_lookup+0x4d3/0x530 [ 61.203913][ T394] ? security_inode_permission+0xb0/0x100 [ 61.209609][ T394] __lookup_slow+0x14c/0x410 [ 61.214177][ T394] ? kernfs_evict_inode+0x60/0x60 [ 61.219184][ T394] ? lookup_one_len+0x2d0/0x2d0 [ 61.224012][ T394] ? lookup_fast+0x301/0x740 [ 61.228580][ T394] ? __kasan_check_write+0x14/0x20 [ 61.233667][ T394] lookup_slow+0x57/0x70 [ 61.237885][ T394] walk_component+0x326/0x460 [ 61.242535][ T394] path_lookupat+0x155/0x430 [ 61.247100][ T394] filename_lookup+0x1fd/0x660 [ 61.251838][ T394] ? hashlen_string+0x120/0x120 [ 61.256671][ T394] ? getname_flags+0x205/0x510 [ 61.261408][ T394] user_path_at_empty+0x43/0x50 [ 61.266237][ T394] vfs_statx+0x10a/0x530 [ 61.270467][ T394] ? vfs_fstatat+0x40/0x40 [ 61.274866][ T394] __se_sys_newfstatat+0x10e/0x3d0 [ 61.279966][ T394] ? __x64_sys_newfstatat+0xb0/0xb0 [ 61.285146][ T394] ? __kasan_check_write+0x14/0x20 [ 61.290240][ T394] ? down_read_trylock+0x106/0x160 [ 61.295332][ T394] ? __init_rwsem+0x1c0/0x1c0 [ 61.300002][ T394] ? debug_smp_processor_id+0x17/0x20 [ 61.305369][ T394] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 61.311425][ T394] __x64_sys_newfstatat+0x9b/0xb0 [ 61.316432][ T394] do_syscall_64+0x31/0x40 [ 61.320826][ T394] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 61.326696][ T394] RIP: 0033:0x7fd208451b0a [ 61.331094][ T394] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 61.350680][ T394] RSP: 002b:00007ffccd12dcf8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 [ 61.359072][ T394] RAX: ffffffffffffffda RBX: 0000563a82afd2e5 RCX: 00007fd208451b0a [ 61.367023][ T394] RDX: 00007ffccd12dd00 RSI: 00007ffccd12dd90 RDI: 00000000ffffff9c [ 61.374973][ T394] RBP: 0000563aac6ce050 R08: 0000563a82afd2e5 R09: 0000000000000000 [ 61.382924][ T394] R10: 0000000000000100 R11: 0000000000000206 R12: 0000563aac6ce140 [ 61.390875][ T394] R13: 00007ffccd12dd90 R14: 00007ffccd12fa10 R15: 0000563a82b00bcc [ 61.399885][ T390] CPU: 0 PID: 390 Comm: udevd Not tainted syzkaller #0 [ 61.405614][ T399] FAULT_INJECTION: forcing a failure. [ 61.405614][ T399] name failslab, interval 1, probability 1, space 0, times 871 [ 61.406739][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.429494][ T390] Call Trace: [ 61.432796][ T390] __dump_stack+0x21/0x24 [ 61.437110][ T390] dump_stack_lvl+0x1a7/0x208 [ 61.441773][ T390] ? thaw_kernel_threads+0x220/0x220 [ 61.447038][ T390] ? show_regs_print_info+0x18/0x18 [ 61.452216][ T390] ? prandom_u32+0x24d/0x290 [ 61.456788][ T390] dump_stack+0x15/0x1c [ 61.460929][ T390] should_fail+0x3ab/0x500 [ 61.465328][ T390] ? getname_flags+0xba/0x510 [ 61.469989][ T390] __should_failslab+0xa4/0xe0 [ 61.474738][ T390] should_failslab+0x9/0x20 [ 61.479222][ T390] kmem_cache_alloc+0x3d/0x2d0 [ 61.483967][ T390] ? ____kasan_slab_free+0x130/0x160 [ 61.489236][ T390] getname_flags+0xba/0x510 [ 61.493719][ T390] ? slab_free_freelist_hook+0xc5/0x190 [ 61.499248][ T390] user_path_at_empty+0x2f/0x50 [ 61.504079][ T390] vfs_statx+0x10a/0x530 [ 61.508302][ T390] ? filename_lookup+0x476/0x660 [ 61.513221][ T390] ? vfs_fstatat+0x40/0x40 [ 61.517621][ T390] ? hashlen_string+0x120/0x120 [ 61.522456][ T390] __se_sys_newfstatat+0x10e/0x3d0 [ 61.527547][ T390] ? __x64_sys_newfstatat+0xb0/0xb0 [ 61.532728][ T390] ? mntput_no_expire+0x100/0x6b0 [ 61.537731][ T390] ? vfs_submount+0xb0/0xb0 [ 61.542218][ T390] ? __kasan_check_write+0x14/0x20 [ 61.547313][ T390] ? lockref_put_return+0xca/0xe0 [ 61.552317][ T390] ? mntput+0x5f/0xc0 [ 61.556287][ T390] ? ____fput+0x15/0x20 [ 61.560427][ T390] ? debug_smp_processor_id+0x17/0x20 [ 61.565776][ T390] __x64_sys_newfstatat+0x9b/0xb0 [ 61.570776][ T390] do_syscall_64+0x31/0x40 [ 61.575172][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 61.581041][ T390] RIP: 0033:0x7fd208451b0a [ 61.585437][ T390] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 61.605015][ T390] RSP: 002b:00007ffccd12f138 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 61.613403][ T390] RAX: ffffffffffffffda RBX: 00007ffccd12f5d0 RCX: 00007fd208451b0a [ 61.621351][ T390] RDX: 00007ffccd12f140 RSI: 00007ffccd12f5d0 RDI: 00000000ffffff9c [ 61.629305][ T390] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000000000000020 [ 61.637252][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccd12f1d0 [ 61.645203][ T390] R13: 00007ffccd12fa05 R14: 0000563a82b00ca4 R15: 0000563a82b00bcc [ 61.653187][ T399] CPU: 1 PID: 399 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 61.654231][ T390] FAULT_INJECTION: forcing a failure. [ 61.654231][ T390] name failslab, interval 1, probability 1, space 0, times 870 [ 61.660892][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.660896][ T399] Call Trace: [ 61.660912][ T399] __dump_stack+0x21/0x24 [ 61.660928][ T399] dump_stack_lvl+0x1a7/0x208 [ 61.695897][ T399] ? thaw_kernel_threads+0x220/0x220 [ 61.701164][ T399] ? show_regs_print_info+0x18/0x18 [ 61.706341][ T399] ? prandom_u32+0x24d/0x290 [ 61.710921][ T399] dump_stack+0x15/0x1c [ 61.715063][ T399] should_fail+0x3ab/0x500 [ 61.719462][ T399] ? getname_flags+0xba/0x510 [ 61.724120][ T399] __should_failslab+0xa4/0xe0 [ 61.728871][ T399] should_failslab+0x9/0x20 [ 61.733358][ T399] kmem_cache_alloc+0x3d/0x2d0 [ 61.738103][ T399] getname_flags+0xba/0x510 [ 61.742585][ T399] getname+0x19/0x20 [ 61.746461][ T399] do_sys_openat2+0xde/0x750 [ 61.751033][ T399] ? percpu_counter_add_batch+0x13c/0x160 [ 61.756732][ T399] ? blkcg_maybe_throttle_current+0x1e0/0x9e0 [ 61.762783][ T399] ? do_sys_open+0xe0/0xe0 [ 61.767183][ T399] ? ____fput+0x15/0x20 [ 61.771345][ T399] __x64_sys_openat+0x136/0x160 [ 61.776179][ T399] do_syscall_64+0x31/0x40 [ 61.780579][ T399] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 61.786452][ T399] RIP: 0033:0x7f3bd752e0ba [ 61.790855][ T399] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 61.810439][ T399] RSP: 002b:00007ffe24775788 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 61.818834][ T399] RAX: ffffffffffffffda RBX: 00007ffe24775800 RCX: 00007f3bd752e0ba [ 61.826798][ T399] RDX: 0000000000080000 RSI: 00007ffe24775800 RDI: 00000000ffffff9c [ 61.834751][ T399] RBP: 00007ffe247757f0 R08: 00007ffe247759f7 R09: 0000000000000000 [ 61.842708][ T399] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001b [ 61.850661][ T399] R13: 00007f3bd750a050 R14: 00007ffe24775a10 R15: 0000000000000000 [ 61.858648][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 61.865407][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.866527][ T400] FAULT_INJECTION: forcing a failure. [ 61.866527][ T400] name failslab, interval 1, probability 1, space 0, times 868 [ 61.875450][ T95] Call Trace: [ 61.875467][ T95] __dump_stack+0x21/0x24 [ 61.875477][ T95] dump_stack_lvl+0x1a7/0x208 [ 61.875492][ T95] ? thaw_kernel_threads+0x220/0x220 [ 61.905734][ T95] ? show_regs_print_info+0x18/0x18 [ 61.910918][ T95] ? prandom_u32+0x24d/0x290 [ 61.915491][ T95] dump_stack+0x15/0x1c [ 61.919637][ T95] should_fail+0x3ab/0x500 [ 61.924047][ T95] ? copy_signal+0x53/0x5f0 [ 61.928533][ T95] __should_failslab+0xa4/0xe0 [ 61.933279][ T95] should_failslab+0x9/0x20 [ 61.937768][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 61.942513][ T95] ? memcpy+0x56/0x70 [ 61.946477][ T95] copy_signal+0x53/0x5f0 [ 61.950789][ T95] copy_process+0x135a/0x3320 [ 61.955470][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 61.960750][ T95] ? __pidfd_prepare+0x150/0x150 [ 61.965677][ T95] ? __sock_set_mark+0x160/0x160 [ 61.970599][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 61.976400][ T95] kernel_clone+0x233/0x950 [ 61.981264][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 61.986786][ T95] ? create_io_thread+0x170/0x170 [ 61.991790][ T95] __x64_sys_clone+0x198/0x210 [ 61.996532][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 62.001543][ T95] ? debug_smp_processor_id+0x17/0x20 [ 62.006894][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.013033][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 62.018657][ T95] do_syscall_64+0x31/0x40 [ 62.023060][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 62.028947][ T95] RIP: 0033:0x7fd208431636 [ 62.033355][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 62.052942][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.061334][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 62.069284][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.077262][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000000000000210 [ 62.085211][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 62.093158][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.101160][ T400] CPU: 1 PID: 400 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 62.108866][ T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.118908][ T400] Call Trace: [ 62.122191][ T400] __dump_stack+0x21/0x24 [ 62.126501][ T400] dump_stack_lvl+0x1a7/0x208 [ 62.131163][ T400] ? thaw_kernel_threads+0x220/0x220 [ 62.136429][ T400] ? show_regs_print_info+0x18/0x18 [ 62.141710][ T400] ? prandom_u32+0x24d/0x290 [ 62.146285][ T400] dump_stack+0x15/0x1c [ 62.150424][ T400] should_fail+0x3ab/0x500 [ 62.154827][ T400] ? anon_vma_fork+0x1ff/0x520 [ 62.159575][ T400] __should_failslab+0xa4/0xe0 [ 62.164326][ T400] should_failslab+0x9/0x20 [ 62.168810][ T400] kmem_cache_alloc+0x3d/0x2d0 [ 62.173555][ T400] ? anon_vma_fork+0xf8/0x520 [ 62.178213][ T400] anon_vma_fork+0x1ff/0x520 [ 62.182788][ T400] copy_mm+0x8f9/0x13d0 [ 62.186936][ T400] ? copy_signal+0x5f0/0x5f0 [ 62.191506][ T400] ? __init_rwsem+0xd5/0x1c0 [ 62.196077][ T400] ? copy_signal+0x4cc/0x5f0 [ 62.200649][ T400] copy_process+0x1386/0x3320 [ 62.205307][ T400] ? __pidfd_prepare+0x150/0x150 [ 62.210235][ T400] ? __alloc_fd+0x570/0x570 [ 62.214729][ T400] kernel_clone+0x233/0x950 [ 62.219242][ T400] ? _raw_spin_lock_irqsave+0x130/0x130 [ 62.224769][ T400] ? create_io_thread+0x170/0x170 [ 62.229774][ T400] __x64_sys_clone+0x198/0x210 [ 62.234519][ T400] ? __ia32_sys_vfork+0x130/0x130 [ 62.239526][ T400] ? do_pipe2+0x106/0x190 [ 62.243839][ T400] ? debug_smp_processor_id+0x17/0x20 [ 62.249191][ T400] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.255241][ T400] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 62.260856][ T400] do_syscall_64+0x31/0x40 [ 62.265254][ T400] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 62.271145][ T400] RIP: 0033:0x7f369b36a636 [ 62.275563][ T400] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 62.295155][ T400] RSP: 002b:00007ffe15423be0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.303555][ T400] RAX: ffffffffffffffda RBX: 00007ffe15423be8 RCX: 00007f369b36a636 [ 62.311509][ T400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.319487][ T400] RBP: 00005588741475e0 R08: 0000000000000000 R09: 00000000000000d0 [ 62.327441][ T400] R10: 00007f369b1d0f50 R11: 0000000000000246 R12: 0000558874155d80 [ 62.335408][ T400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.343376][ T390] CPU: 0 PID: 390 Comm: udevd Not tainted syzkaller #0 [ 62.346332][ T134] FAULT_INJECTION: forcing a failure. [ 62.346332][ T134] name failslab, interval 1, probability 1, space 0, times 867 [ 62.350216][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.350220][ T390] Call Trace: [ 62.350236][ T390] __dump_stack+0x21/0x24 [ 62.350245][ T390] dump_stack_lvl+0x1a7/0x208 [ 62.350255][ T390] ? show_regs_print_info+0x18/0x18 [ 62.350265][ T390] ? prandom_u32+0x24d/0x290 [ 62.350275][ T390] dump_stack+0x15/0x1c [ 62.350285][ T390] should_fail+0x3ab/0x500 [ 62.350297][ T390] ? seq_open+0x61/0x130 [ 62.350306][ T390] __should_failslab+0xa4/0xe0 [ 62.350324][ T390] should_failslab+0x9/0x20 [ 62.409066][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 62.412527][ T390] kmem_cache_alloc+0x3d/0x2d0 [ 62.418058][ T95] FAULT_INJECTION: forcing a failure. [ 62.418058][ T95] name failslab, interval 1, probability 1, space 0, times 866 [ 62.424088][ T390] seq_open+0x61/0x130 [ 62.424097][ T390] kernfs_fop_open+0x501/0xbb0 [ 62.424112][ T390] ? kernfs_fop_mmap+0x400/0x400 [ 62.455300][ T390] do_dentry_open+0x7a5/0x10a0 [ 62.460075][ T390] vfs_open+0x73/0x80 [ 62.464041][ T390] path_openat+0x26c3/0x3040 [ 62.468630][ T390] ? __kasan_slab_alloc+0xc9/0xe0 [ 62.473633][ T390] ? getname_flags+0xba/0x510 [ 62.478288][ T390] ? getname+0x19/0x20 [ 62.482343][ T390] ? do_sys_openat2+0xde/0x750 [ 62.487087][ T390] ? do_filp_open+0x400/0x400 [ 62.491754][ T390] do_filp_open+0x1df/0x400 [ 62.496252][ T390] ? vfs_tmpfile+0x2c0/0x2c0 [ 62.500828][ T390] ? get_unused_fd_flags+0x92/0xa0 [ 62.505940][ T390] do_sys_openat2+0x19f/0x750 [ 62.510603][ T390] ? do_sys_open+0xe0/0xe0 [ 62.515004][ T390] ? fsnotify_move+0x2a0/0x2a0 [ 62.519752][ T390] __x64_sys_openat+0x136/0x160 [ 62.524585][ T390] do_syscall_64+0x31/0x40 [ 62.528983][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 62.534856][ T390] RIP: 0033:0x7fd2083e7407 [ 62.539254][ T390] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 62.558843][ T390] RSP: 002b:00007ffccd130160 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 62.567242][ T390] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 62.575197][ T390] RDX: 0000000000080000 RSI: 00007ffccd1302e0 RDI: ffffffffffffff9c [ 62.583325][ T390] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 62.591287][ T390] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 62.599243][ T390] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000000000000000 [ 62.607291][ T134] CPU: 1 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 62.614217][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.619266][ T390] FAULT_INJECTION: forcing a failure. [ 62.619266][ T390] name failslab, interval 1, probability 1, space 0, times 865 [ 62.624268][ T134] Call Trace: [ 62.640271][ T134] __dump_stack+0x21/0x24 [ 62.644587][ T134] dump_stack_lvl+0x1a7/0x208 [ 62.649247][ T134] ? show_regs_print_info+0x18/0x18 [ 62.654429][ T134] ? prandom_u32+0x24d/0x290 [ 62.659001][ T134] dump_stack+0x15/0x1c [ 62.663142][ T134] should_fail+0x3ab/0x500 [ 62.667541][ T134] ? __alloc_skb+0x9e/0x520 [ 62.672028][ T134] __should_failslab+0xa4/0xe0 [ 62.676774][ T134] should_failslab+0x9/0x20 [ 62.681288][ T134] kmem_cache_alloc+0x3d/0x2d0 [ 62.686035][ T134] ? mutex_lock+0x92/0xf0 [ 62.690347][ T134] __alloc_skb+0x9e/0x520 [ 62.694659][ T134] netlink_dump+0x194/0xd80 [ 62.699144][ T134] ? slab_free_freelist_hook+0xc5/0x190 [ 62.704670][ T134] ? kfree_skbmem+0x10c/0x180 [ 62.709330][ T134] ? kmem_cache_free+0x100/0x2d0 [ 62.714253][ T134] ? skb_release_data+0x53b/0x690 [ 62.719266][ T134] ? refcount_inc+0x80/0x80 [ 62.723752][ T134] ? kfree_skbmem+0x10c/0x180 [ 62.728406][ T134] ? consume_skb+0xb3/0x1f0 [ 62.732899][ T134] netlink_recvmsg+0x685/0xe60 [ 62.737647][ T134] ? netlink_sendmsg+0xb70/0xb70 [ 62.742567][ T134] ? check_stack_object+0x133/0x150 [ 62.747748][ T134] ? __kasan_check_read+0x11/0x20 [ 62.752754][ T134] ? security_socket_recvmsg+0x87/0xb0 [ 62.758189][ T134] ? netlink_sendmsg+0xb70/0xb70 [ 62.763112][ T134] ____sys_recvmsg+0x2ca/0x5b0 [ 62.767866][ T134] ? __sys_recvmsg_sock+0x50/0x50 [ 62.772880][ T134] ? import_iovec+0x7c/0xb0 [ 62.777363][ T134] ___sys_recvmsg+0x213/0x5c0 [ 62.782028][ T134] ? __sys_recvmsg+0x280/0x280 [ 62.786775][ T134] ? __wake_up+0x11c/0x180 [ 62.791176][ T134] ? security_socket_sendmsg+0x82/0xa0 [ 62.796619][ T134] ? __kasan_check_read+0x11/0x20 [ 62.801624][ T134] ? __fdget+0x15b/0x230 [ 62.805846][ T134] __x64_sys_recvmsg+0x1fe/0x2d0 [ 62.810772][ T134] ? ___sys_recvmsg+0x5c0/0x5c0 [ 62.815611][ T134] ? debug_smp_processor_id+0x17/0x20 [ 62.820967][ T134] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.827017][ T134] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 62.832630][ T134] do_syscall_64+0x31/0x40 [ 62.837026][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 62.842902][ T134] RIP: 0033:0x7f2097155407 [ 62.847301][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 62.866889][ T134] RSP: 002b:00007fff24019950 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 62.875286][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 62.883240][ T134] RDX: 0000000000000000 RSI: 00007fff240199e0 RDI: 0000000000000016 [ 62.891192][ T134] RBP: 00007fff240199c4 R08: 0000000000000000 R09: 0000000000000000 [ 62.899144][ T134] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001ac [ 62.907099][ T134] R13: 00007fff240199d0 R14: 00007fff24019ac0 R15: 0000000000000000 [ 62.915197][ T390] CPU: 0 PID: 390 Comm: udevd Not tainted syzkaller #0 [ 62.916361][ T134] FAULT_INJECTION: forcing a failure. [ 62.916361][ T134] name failslab, interval 1, probability 1, space 0, times 864 [ 62.922033][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.922037][ T390] Call Trace: [ 62.922054][ T390] __dump_stack+0x21/0x24 [ 62.922063][ T390] dump_stack_lvl+0x1a7/0x208 [ 62.922074][ T390] ? show_regs_print_info+0x18/0x18 [ 62.922085][ T390] dump_stack+0x15/0x1c [ 62.922094][ T390] should_fail+0x3ab/0x500 [ 62.922104][ T390] ? netlink_sendmsg+0x693/0xb70 [ 62.922115][ T390] __should_failslab+0xa4/0xe0 [ 62.922127][ T390] should_failslab+0x9/0x20 [ 62.922136][ T390] __kmalloc_track_caller+0x5f/0x310 [ 62.922146][ T390] ? kmem_cache_alloc+0x15a/0x2d0 [ 62.922156][ T390] ? __alloc_skb+0x9e/0x520 [ 62.922171][ T390] ? netlink_sendmsg+0x693/0xb70 [ 63.004831][ T390] __alloc_skb+0xdc/0x520 [ 63.009146][ T390] ? netlink_allowed+0xf0/0x140 [ 63.013980][ T390] netlink_sendmsg+0x693/0xb70 [ 63.018725][ T390] ? netlink_getsockopt+0x530/0x530 [ 63.023904][ T390] ? kasan_record_aux_stack_noalloc+0xb/0x10 [ 63.029864][ T390] ? security_socket_sendmsg+0x82/0xa0 [ 63.035303][ T390] ? netlink_getsockopt+0x530/0x530 [ 63.040483][ T390] ____sys_sendmsg+0x5be/0x8f0 [ 63.045233][ T390] ? __sys_sendmsg_sock+0x40/0x40 [ 63.050242][ T390] ? import_iovec+0x7c/0xb0 [ 63.054726][ T390] ___sys_sendmsg+0x236/0x2e0 [ 63.059388][ T390] ? __sys_sendmsg+0x280/0x280 [ 63.064142][ T390] ? __kasan_slab_free+0x11/0x20 [ 63.069066][ T390] ? __kasan_check_read+0x11/0x20 [ 63.074073][ T390] ? __fdget+0x15b/0x230 [ 63.078298][ T390] __x64_sys_sendmsg+0x201/0x2d0 [ 63.083215][ T390] ? __kasan_check_write+0x14/0x20 [ 63.088312][ T390] ? ___sys_sendmsg+0x2e0/0x2e0 [ 63.093150][ T390] ? __kasan_check_read+0x11/0x20 [ 63.098156][ T390] ? exit_to_user_mode_prepare+0x9a/0xa0 [ 63.103770][ T390] do_syscall_64+0x31/0x40 [ 63.108191][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 63.114064][ T390] RIP: 0033:0x7fd2083e7407 [ 63.118462][ T390] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 63.138046][ T390] RSP: 002b:00007ffccd1346f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.146459][ T390] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 63.154415][ T390] RDX: 0000000000000000 RSI: 00007ffccd134750 RDI: 000000000000000c [ 63.162374][ T390] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 63.170328][ T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000009d [ 63.178284][ T390] R13: 0000563aac6d6740 R14: 0000000000000000 R15: 0000000000000000 [ 63.186247][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 63.193171][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.203206][ T95] Call Trace: [ 63.206484][ T95] __dump_stack+0x21/0x24 [ 63.210799][ T95] dump_stack_lvl+0x1a7/0x208 [ 63.215451][ T95] ? thaw_kernel_threads+0x220/0x220 [ 63.220712][ T95] ? show_regs_print_info+0x18/0x18 [ 63.225885][ T95] ? prandom_u32+0x24d/0x290 [ 63.230450][ T95] dump_stack+0x15/0x1c [ 63.234579][ T95] should_fail+0x3ab/0x500 [ 63.238974][ T95] ? anon_vma_fork+0x1ff/0x520 [ 63.243715][ T95] __should_failslab+0xa4/0xe0 [ 63.248456][ T95] should_failslab+0x9/0x20 [ 63.252933][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 63.257672][ T95] ? anon_vma_fork+0xf8/0x520 [ 63.262322][ T95] anon_vma_fork+0x1ff/0x520 [ 63.266889][ T95] copy_mm+0x8f9/0x13d0 [ 63.271029][ T95] ? copy_signal+0x5f0/0x5f0 [ 63.275595][ T95] ? __init_rwsem+0xd5/0x1c0 [ 63.280163][ T95] ? copy_signal+0x4cc/0x5f0 [ 63.284725][ T95] copy_process+0x1386/0x3320 [ 63.289383][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 63.294558][ T95] ? __pidfd_prepare+0x150/0x150 [ 63.299470][ T95] ? __sock_set_mark+0x160/0x160 [ 63.304383][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 63.310176][ T95] kernel_clone+0x233/0x950 [ 63.314655][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 63.320200][ T95] ? create_io_thread+0x170/0x170 [ 63.325203][ T95] __x64_sys_clone+0x198/0x210 [ 63.329941][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 63.334945][ T95] ? debug_smp_processor_id+0x17/0x20 [ 63.340295][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 63.346337][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 63.351945][ T95] do_syscall_64+0x31/0x40 [ 63.356340][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 63.362208][ T95] RIP: 0033:0x7fd208431636 [ 63.366602][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 63.386193][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 63.394581][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 63.402530][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 63.410484][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 63.418434][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 63.426383][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.434354][ T134] CPU: 0 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 63.435434][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 63.441275][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.441279][ T134] Call Trace: [ 63.441296][ T134] __dump_stack+0x21/0x24 [ 63.441307][ T134] dump_stack_lvl+0x1a7/0x208 [ 63.441318][ T134] ? show_regs_print_info+0x18/0x18 [ 63.441328][ T134] dump_stack+0x15/0x1c [ 63.441338][ T134] should_fail+0x3ab/0x500 [ 63.441347][ T134] ? __d_alloc+0x2d/0x690 [ 63.441358][ T134] __should_failslab+0xa4/0xe0 [ 63.441369][ T134] should_failslab+0x9/0x20 [ 63.441379][ T134] kmem_cache_alloc+0x3d/0x2d0 [ 63.441391][ T134] ? selinux_inode_follow_link+0x370/0x370 [ 63.441400][ T134] __d_alloc+0x2d/0x690 [ 63.441410][ T134] d_alloc_parallel+0xe2/0x1390 [ 63.441420][ T134] ? __d_lookup+0x4d3/0x530 [ 63.441429][ T134] ? inode_permission+0xf1/0x520 [ 63.441445][ T134] ? link_path_walk+0x949/0xbd0 [ 63.451476][ T95] FAULT_INJECTION: forcing a failure. [ 63.451476][ T95] name failslab, interval 1, probability 1, space 0, times 862 [ 63.458760][ T134] ? d_hash_and_lookup+0x1f0/0x1f0 [ 63.463024][ T401] FAULT_INJECTION: forcing a failure. [ 63.463024][ T401] name failslab, interval 1, probability 1, space 0, times 862 [ 63.466332][ T134] ? handle_dots+0xe10/0xe10 [ 63.567026][ T134] path_openat+0x992/0x3040 [ 63.571514][ T134] ? getname_flags+0xba/0x510 [ 63.576171][ T134] ? do_filp_open+0x400/0x400 [ 63.580829][ T134] do_filp_open+0x1df/0x400 [ 63.585311][ T134] ? vfs_tmpfile+0x2c0/0x2c0 [ 63.589884][ T134] ? noop_direct_IO+0x20/0x20 [ 63.594543][ T134] ? get_unused_fd_flags+0x92/0xa0 [ 63.599637][ T134] do_sys_openat2+0x19f/0x750 [ 63.604295][ T134] ? __kasan_check_read+0x11/0x20 [ 63.609301][ T134] ? __fdget_pos+0x1f7/0x380 [ 63.613872][ T134] ? do_sys_open+0xe0/0xe0 [ 63.618266][ T134] ? ksys_read+0x1eb/0x260 [ 63.622662][ T134] ? vfs_write+0xd70/0xd70 [ 63.627058][ T134] ? ____fput+0x15/0x20 [ 63.631199][ T134] __x64_sys_openat+0x136/0x160 [ 63.636037][ T134] do_syscall_64+0x31/0x40 [ 63.640434][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 63.646305][ T134] RIP: 0033:0x7f2097155407 [ 63.650705][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 63.670291][ T134] RSP: 002b:00007fff24019e80 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 63.678687][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 63.686645][ T134] RDX: 0000000000000000 RSI: 00007fff2402a130 RDI: ffffffffffffff9c [ 63.694597][ T134] RBP: 00000000000100a0 R08: 0000000000000000 R09: 0000000000000000 [ 63.702549][ T134] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff24019fb0 [ 63.710503][ T134] R13: 00007f20970cb6c8 R14: 0000000000000029 R15: 00007fff2402a0a0 [ 63.718463][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 63.725210][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.735238][ T95] Call Trace: [ 63.738504][ T95] __dump_stack+0x21/0x24 [ 63.742811][ T95] dump_stack_lvl+0x1a7/0x208 [ 63.747462][ T95] ? thaw_kernel_threads+0x220/0x220 [ 63.752728][ T95] ? show_regs_print_info+0x18/0x18 [ 63.757899][ T95] ? prandom_u32+0x24d/0x290 [ 63.762465][ T95] dump_stack+0x15/0x1c [ 63.766596][ T95] should_fail+0x3ab/0x500 [ 63.770986][ T95] ? iget_locked+0x1b8/0x7d0 [ 63.775550][ T95] __should_failslab+0xa4/0xe0 [ 63.780289][ T95] should_failslab+0x9/0x20 [ 63.784766][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 63.789510][ T95] ? memcpy+0x56/0x70 [ 63.793488][ T95] iget_locked+0x1b8/0x7d0 [ 63.797880][ T95] kernfs_get_inode+0x4b/0x6d0 [ 63.802617][ T95] kernfs_iop_lookup+0x20f/0x310 [ 63.807530][ T95] __lookup_slow+0x2b8/0x410 [ 63.812113][ T95] ? lookup_one_len+0x2d0/0x2d0 [ 63.816952][ T95] ? __kasan_check_write+0x14/0x20 [ 63.822043][ T95] lookup_slow+0x57/0x70 [ 63.826268][ T95] walk_component+0x326/0x460 [ 63.830929][ T95] ? inode_permission+0xf1/0x520 [ 63.835848][ T95] link_path_walk+0x5d8/0xbd0 [ 63.840503][ T95] ? handle_lookup_down+0x130/0x130 [ 63.845714][ T95] path_openat+0x290/0x3040 [ 63.850197][ T95] ? __kasan_slab_alloc+0xc9/0xe0 [ 63.855197][ T95] ? getname_flags+0xba/0x510 [ 63.859848][ T95] ? getname+0x19/0x20 [ 63.863890][ T95] ? do_sys_openat2+0xde/0x750 [ 63.868630][ T95] ? do_filp_open+0x400/0x400 [ 63.873283][ T95] do_filp_open+0x1df/0x400 [ 63.877764][ T95] ? vfs_tmpfile+0x2c0/0x2c0 [ 63.882333][ T95] ? get_unused_fd_flags+0x92/0xa0 [ 63.887418][ T95] do_sys_openat2+0x19f/0x750 [ 63.892070][ T95] ? __fdget+0x15b/0x230 [ 63.896286][ T95] ? do_sys_open+0xe0/0xe0 [ 63.900687][ T95] ? __kasan_check_write+0x14/0x20 [ 63.905772][ T95] ? switch_fpu_return+0x19c/0x330 [ 63.910869][ T95] ? fpu__clear_all+0x20/0x20 [ 63.915524][ T95] __x64_sys_openat+0x136/0x160 [ 63.920353][ T95] do_syscall_64+0x31/0x40 [ 63.924745][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 63.930610][ T95] RIP: 0033:0x7fd2083e7407 [ 63.935004][ T95] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 63.954588][ T95] RSP: 002b:00007ffccd130320 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 63.962975][ T95] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 63.970922][ T95] RDX: 0000000000080000 RSI: 00007ffccd1304a0 RDI: ffffffffffffff9c [ 63.978868][ T95] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 63.986818][ T95] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 63.994765][ T95] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000000000000000 [ 64.002980][ T401] CPU: 0 PID: 401 Comm: udevd Not tainted syzkaller #0 [ 64.004212][ T95] FAULT_INJECTION: forcing a failure. [ 64.004212][ T95] name failslab, interval 1, probability 1, space 0, times 860 [ 64.009819][ T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.009823][ T401] Call Trace: [ 64.009838][ T401] __dump_stack+0x21/0x24 [ 64.009848][ T401] dump_stack_lvl+0x1a7/0x208 [ 64.009857][ T401] ? thaw_kernel_threads+0x220/0x220 [ 64.009867][ T401] ? show_regs_print_info+0x18/0x18 [ 64.009876][ T401] ? prandom_u32+0x24d/0x290 [ 64.009886][ T401] dump_stack+0x15/0x1c [ 64.009894][ T401] should_fail+0x3ab/0x500 [ 64.009911][ T401] ? getname_flags+0xba/0x510 [ 64.050632][ T134] FAULT_INJECTION: forcing a failure. [ 64.050632][ T134] name failslab, interval 1, probability 1, space 0, times 860 [ 64.055311][ T401] __should_failslab+0xa4/0xe0 [ 64.090494][ T401] should_failslab+0x9/0x20 [ 64.095015][ T401] kmem_cache_alloc+0x3d/0x2d0 [ 64.099764][ T401] getname_flags+0xba/0x510 [ 64.104248][ T401] getname+0x19/0x20 [ 64.108124][ T401] do_sys_openat2+0xde/0x750 [ 64.112694][ T401] ? up_read+0x12/0x50 [ 64.116747][ T401] ? do_user_addr_fault+0x775/0xe20 [ 64.121923][ T401] ? do_sys_open+0xe0/0xe0 [ 64.126324][ T401] ? debug_smp_processor_id+0x17/0x20 [ 64.131677][ T401] __x64_sys_openat+0x136/0x160 [ 64.136506][ T401] do_syscall_64+0x31/0x40 [ 64.140906][ T401] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 64.146777][ T401] RIP: 0033:0x7fd2083e7407 [ 64.151175][ T401] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 64.170762][ T401] RSP: 002b:00007ffccd1301c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 64.179158][ T401] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 64.187111][ T401] RDX: 0000000000080000 RSI: 00007ffccd130330 RDI: ffffffffffffff9c [ 64.195073][ T401] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 64.203027][ T401] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 64.210979][ T401] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000563a82b14140 [ 64.218941][ T95] CPU: 1 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 64.225693][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.235730][ T95] Call Trace: [ 64.239010][ T95] __dump_stack+0x21/0x24 [ 64.243320][ T95] dump_stack_lvl+0x1a7/0x208 [ 64.247979][ T95] ? show_regs_print_info+0x18/0x18 [ 64.253158][ T95] ? prandom_u32+0x24d/0x290 [ 64.257731][ T95] dump_stack+0x15/0x1c [ 64.261868][ T95] should_fail+0x3ab/0x500 [ 64.266293][ T95] ? anon_vma_clone+0xb7/0x4c0 [ 64.271039][ T95] __should_failslab+0xa4/0xe0 [ 64.275792][ T95] should_failslab+0x9/0x20 [ 64.280276][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 64.285023][ T95] anon_vma_clone+0xb7/0x4c0 [ 64.289599][ T95] anon_vma_fork+0x8f/0x520 [ 64.294083][ T95] copy_mm+0x8f9/0x13d0 [ 64.298396][ T95] ? copy_signal+0x5f0/0x5f0 [ 64.302967][ T95] ? __init_rwsem+0xd5/0x1c0 [ 64.307539][ T95] ? copy_signal+0x4cc/0x5f0 [ 64.312110][ T95] copy_process+0x1386/0x3320 [ 64.316771][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 64.321956][ T95] ? __pidfd_prepare+0x150/0x150 [ 64.326875][ T95] ? __sock_set_mark+0x160/0x160 [ 64.331796][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 64.337582][ T95] kernel_clone+0x233/0x950 [ 64.342067][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 64.347593][ T95] ? create_io_thread+0x170/0x170 [ 64.352600][ T95] __x64_sys_clone+0x198/0x210 [ 64.357346][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 64.362354][ T95] ? debug_smp_processor_id+0x17/0x20 [ 64.367707][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 64.373772][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 64.379385][ T95] do_syscall_64+0x31/0x40 [ 64.383782][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 64.389655][ T95] RIP: 0033:0x7fd208431636 [ 64.394054][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 64.413664][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 64.422061][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 64.430013][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 64.437971][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 64.445928][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 64.453880][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.461841][ T134] CPU: 0 PID: 134 Comm: dhcpcd Not tainted syzkaller #0 [ 64.463164][ T95] FAULT_INJECTION: forcing a failure. [ 64.463164][ T95] name failslab, interval 1, probability 1, space 0, times 858 [ 64.468770][ T134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.491526][ T134] Call Trace: [ 64.494807][ T134] __dump_stack+0x21/0x24 [ 64.499121][ T134] dump_stack_lvl+0x1a7/0x208 [ 64.503793][ T134] ? thaw_kernel_threads+0x220/0x220 [ 64.509058][ T134] ? show_regs_print_info+0x18/0x18 [ 64.514243][ T134] ? prandom_u32+0x24d/0x290 [ 64.518824][ T134] dump_stack+0x15/0x1c [ 64.522970][ T134] should_fail+0x3ab/0x500 [ 64.527371][ T134] ? security_file_alloc+0x33/0x120 [ 64.532559][ T134] __should_failslab+0xa4/0xe0 [ 64.537303][ T134] should_failslab+0x9/0x20 [ 64.541789][ T134] kmem_cache_alloc+0x3d/0x2d0 [ 64.546537][ T134] ? __alloc_file+0x28/0x320 [ 64.551109][ T134] security_file_alloc+0x33/0x120 [ 64.556115][ T134] __alloc_file+0xb5/0x320 [ 64.560521][ T134] alloc_empty_file+0x97/0x180 [ 64.565267][ T134] path_openat+0xf4/0x3040 [ 64.569756][ T134] ? unix_dgram_recvmsg+0x9d6/0xd30 [ 64.574936][ T134] ? __kasan_slab_alloc+0xc9/0xe0 [ 64.579945][ T134] ? __kasan_slab_alloc+0xb7/0xe0 [ 64.584953][ T134] ? kmem_cache_alloc+0x15a/0x2d0 [ 64.589958][ T134] ? getname_flags+0xba/0x510 [ 64.594612][ T134] ? getname+0x19/0x20 [ 64.598664][ T134] ? do_sys_openat2+0xde/0x750 [ 64.603494][ T134] ? __x64_sys_openat+0x136/0x160 [ 64.608502][ T134] ? do_syscall_64+0x31/0x40 [ 64.613085][ T134] ? do_filp_open+0x400/0x400 [ 64.617742][ T134] do_filp_open+0x1df/0x400 [ 64.620324][ T402] FAULT_INJECTION: forcing a failure. [ 64.620324][ T402] name failslab, interval 1, probability 1, space 0, times 858 [ 64.622237][ T134] ? vfs_tmpfile+0x2c0/0x2c0 [ 64.639532][ T134] ? get_unused_fd_flags+0x92/0xa0 [ 64.644626][ T134] do_sys_openat2+0x19f/0x750 [ 64.649286][ T134] ? __kasan_check_read+0x11/0x20 [ 64.654289][ T134] ? __fdget_pos+0x1f7/0x380 [ 64.658859][ T134] ? do_sys_open+0xe0/0xe0 [ 64.663256][ T134] ? ksys_read+0x1eb/0x260 [ 64.667653][ T134] ? vfs_write+0xd70/0xd70 [ 64.672051][ T134] ? ____fput+0x15/0x20 [ 64.676188][ T134] __x64_sys_openat+0x136/0x160 [ 64.681028][ T134] do_syscall_64+0x31/0x40 [ 64.685429][ T134] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 64.691305][ T134] RIP: 0033:0x7f2097155407 [ 64.695702][ T134] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 64.715291][ T134] RSP: 002b:00007fff24019e80 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 64.723686][ T134] RAX: ffffffffffffffda RBX: 00007f20970cb740 RCX: 00007f2097155407 [ 64.731638][ T134] RDX: 0000000000000000 RSI: 00007fff2402a130 RDI: ffffffffffffff9c [ 64.739593][ T134] RBP: 00000000000100a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.747544][ T134] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff24019fb0 [ 64.755503][ T134] R13: 00007f20970cb6c8 R14: 000000000000002d R15: 00007fff2402a0a0 [ 64.763465][ T402] CPU: 1 PID: 402 Comm: udevd Not tainted syzkaller #0 [ 64.770302][ T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.780333][ T402] Call Trace: [ 64.783608][ T402] __dump_stack+0x21/0x24 [ 64.787914][ T402] dump_stack_lvl+0x1a7/0x208 [ 64.792571][ T402] ? show_regs_print_info+0x18/0x18 [ 64.797744][ T402] dump_stack+0x15/0x1c [ 64.801875][ T402] should_fail+0x3ab/0x500 [ 64.806266][ T402] ? __d_alloc+0x2d/0x690 [ 64.810578][ T402] __should_failslab+0xa4/0xe0 [ 64.815322][ T402] should_failslab+0x9/0x20 [ 64.819803][ T402] kmem_cache_alloc+0x3d/0x2d0 [ 64.824543][ T402] ? selinux_inode_follow_link+0x370/0x370 [ 64.830326][ T402] __d_alloc+0x2d/0x690 [ 64.834459][ T402] d_alloc_parallel+0xe2/0x1390 [ 64.839285][ T402] ? __d_lookup+0x4d3/0x530 [ 64.843766][ T402] ? inode_permission+0xf1/0x520 [ 64.848679][ T402] ? link_path_walk+0x949/0xbd0 [ 64.853506][ T402] ? d_hash_and_lookup+0x1f0/0x1f0 [ 64.858595][ T402] ? handle_dots+0xe10/0xe10 [ 64.863161][ T402] path_openat+0x992/0x3040 [ 64.867639][ T402] ? getname_flags+0xba/0x510 [ 64.872294][ T402] ? do_filp_open+0x400/0x400 [ 64.876945][ T402] do_filp_open+0x1df/0x400 [ 64.881425][ T402] ? vfs_tmpfile+0x2c0/0x2c0 [ 64.886025][ T402] ? get_unused_fd_flags+0x92/0xa0 [ 64.891113][ T402] do_sys_openat2+0x19f/0x750 [ 64.895766][ T402] ? up_read+0x12/0x50 [ 64.899812][ T402] ? do_user_addr_fault+0x775/0xe20 [ 64.904988][ T402] ? do_sys_open+0xe0/0xe0 [ 64.909382][ T402] ? debug_smp_processor_id+0x17/0x20 [ 64.914726][ T402] __x64_sys_openat+0x136/0x160 [ 64.919552][ T402] do_syscall_64+0x31/0x40 [ 64.923945][ T402] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 64.929812][ T402] RIP: 0033:0x7fd2083e7407 [ 64.934208][ T402] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 64.953788][ T402] RSP: 002b:00007ffccd12bd00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 64.962174][ T402] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 64.970123][ T402] RDX: 0000000000080000 RSI: 00007ffccd12be80 RDI: ffffffffffffff9c [ 64.978071][ T402] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 64.986018][ T402] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563a82af97f5 [ 64.993974][ T402] R13: 0000563a82af97f5 R14: 0000000000000001 R15: 0000563a82b14140 [ 65.002383][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 65.007325][ T403] FAULT_INJECTION: forcing a failure. [ 65.007325][ T403] name failslab, interval 1, probability 1, space 0, times 856 [ 65.009147][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.009152][ T95] Call Trace: [ 65.009170][ T95] __dump_stack+0x21/0x24 [ 65.009181][ T95] dump_stack_lvl+0x1a7/0x208 [ 65.009191][ T95] ? thaw_kernel_threads+0x220/0x220 [ 65.009201][ T95] ? show_regs_print_info+0x18/0x18 [ 65.009211][ T95] ? prandom_u32+0x24d/0x290 [ 65.009221][ T95] dump_stack+0x15/0x1c [ 65.009229][ T95] should_fail+0x3ab/0x500 [ 65.009246][ T95] ? anon_vma_fork+0x1ff/0x520 [ 65.072468][ T95] __should_failslab+0xa4/0xe0 [ 65.077213][ T95] should_failslab+0x9/0x20 [ 65.081698][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 65.086453][ T95] ? anon_vma_fork+0xf8/0x520 [ 65.091110][ T95] anon_vma_fork+0x1ff/0x520 [ 65.095681][ T95] copy_mm+0x8f9/0x13d0 [ 65.099819][ T95] ? copy_signal+0x5f0/0x5f0 [ 65.104389][ T95] ? __init_rwsem+0xd5/0x1c0 [ 65.108963][ T95] ? copy_signal+0x4cc/0x5f0 [ 65.113539][ T95] copy_process+0x1386/0x3320 [ 65.118201][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 65.123385][ T95] ? __pidfd_prepare+0x150/0x150 [ 65.128306][ T95] ? __sock_set_mark+0x160/0x160 [ 65.133224][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 65.139016][ T95] kernel_clone+0x233/0x950 [ 65.143525][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 65.149053][ T95] ? create_io_thread+0x170/0x170 [ 65.154062][ T95] __x64_sys_clone+0x198/0x210 [ 65.158810][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 65.163817][ T95] ? debug_smp_processor_id+0x17/0x20 [ 65.169170][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.175219][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 65.180831][ T95] do_syscall_64+0x31/0x40 [ 65.185228][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 65.191099][ T95] RIP: 0033:0x7fd208431636 [ 65.195498][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 65.215089][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.223490][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 65.231445][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 65.239402][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 65.247357][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 65.255336][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.263297][ T403] CPU: 1 PID: 403 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 65.264354][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 65.271000][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.271004][ T403] Call Trace: [ 65.271022][ T403] __dump_stack+0x21/0x24 [ 65.271031][ T403] dump_stack_lvl+0x1a7/0x208 [ 65.271047][ T403] ? show_regs_print_info+0x18/0x18 [ 65.278946][ T95] FAULT_INJECTION: forcing a failure. [ 65.278946][ T95] name failslab, interval 1, probability 1, space 0, times 855 [ 65.288164][ T403] dump_stack+0x15/0x1c [ 65.322383][ T403] should_fail+0x3ab/0x500 [ 65.326786][ T403] ? vm_area_alloc+0x24/0x160 [ 65.331444][ T403] __should_failslab+0xa4/0xe0 [ 65.336193][ T403] should_failslab+0x9/0x20 [ 65.340678][ T403] kmem_cache_alloc+0x3d/0x2d0 [ 65.345422][ T403] vm_area_alloc+0x24/0x160 [ 65.349908][ T403] mmap_region+0xa5e/0x19c0 [ 65.354394][ T403] ? cap_mmap_addr+0x165/0x2e0 [ 65.359143][ T403] ? selinux_mmap_addr+0xbe/0xe0 [ 65.364064][ T403] ? security_mmap_addr+0x72/0x90 [ 65.369071][ T403] do_mmap+0x85f/0xf50 [ 65.373126][ T403] vm_mmap_pgoff+0x1f4/0x350 [ 65.377702][ T403] ? account_locked_vm+0x1a0/0x1a0 [ 65.382797][ T403] ksys_mmap_pgoff+0x16f/0x1e0 [ 65.387542][ T403] __x64_sys_mmap+0xfa/0x110 [ 65.392141][ T403] do_syscall_64+0x31/0x40 [ 65.396540][ T403] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 65.402435][ T403] RIP: 0033:0x7f331c1dd242 [ 65.406836][ T403] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 [ 65.426430][ T403] RSP: 002b:00007ffd063235a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 65.434836][ T403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f331c1dd242 [ 65.442789][ T403] RDX: 0000000000000001 RSI: 0000000000009088 RDI: 0000000000000000 [ 65.450744][ T403] RBP: 0000000000000802 R08: 0000000000000003 R09: 0000000000000000 [ 65.458696][ T403] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000000 [ 65.466648][ T403] R13: 00007f331bebc0c0 R14: 00007ffd063239e0 R15: 00000fffa0c646b8 [ 65.474610][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 65.481365][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.483998][ T404] FAULT_INJECTION: forcing a failure. [ 65.483998][ T404] name failslab, interval 1, probability 1, space 0, times 854 [ 65.491407][ T95] Call Trace: [ 65.491425][ T95] __dump_stack+0x21/0x24 [ 65.491434][ T95] dump_stack_lvl+0x1a7/0x208 [ 65.491443][ T95] ? thaw_kernel_threads+0x220/0x220 [ 65.491452][ T95] ? show_regs_print_info+0x18/0x18 [ 65.491462][ T95] ? prandom_u32+0x24d/0x290 [ 65.491472][ T95] dump_stack+0x15/0x1c [ 65.491481][ T95] should_fail+0x3ab/0x500 [ 65.491492][ T95] ? anon_vma_fork+0x1ff/0x520 [ 65.491502][ T95] __should_failslab+0xa4/0xe0 [ 65.491520][ T95] should_failslab+0x9/0x20 [ 65.553890][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 65.558636][ T95] ? anon_vma_fork+0xf8/0x520 [ 65.563294][ T95] anon_vma_fork+0x1ff/0x520 [ 65.567864][ T95] copy_mm+0x8f9/0x13d0 [ 65.572001][ T95] ? copy_signal+0x5f0/0x5f0 [ 65.576571][ T95] ? __init_rwsem+0xd5/0x1c0 [ 65.581141][ T95] ? copy_signal+0x4cc/0x5f0 [ 65.585712][ T95] copy_process+0x1386/0x3320 [ 65.590376][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 65.595554][ T95] ? __pidfd_prepare+0x150/0x150 [ 65.600475][ T95] ? __sock_set_mark+0x160/0x160 [ 65.605391][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 65.611177][ T95] kernel_clone+0x233/0x950 [ 65.615668][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 65.621195][ T95] ? create_io_thread+0x170/0x170 [ 65.626202][ T95] __x64_sys_clone+0x198/0x210 [ 65.630949][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 65.635959][ T95] ? debug_smp_processor_id+0x17/0x20 [ 65.641312][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.647361][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 65.652983][ T95] do_syscall_64+0x31/0x40 [ 65.657383][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 65.663257][ T95] RIP: 0033:0x7fd208431636 [ 65.667655][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 65.687242][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.695641][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 65.703601][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 65.711577][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 65.719537][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 65.727494][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.735455][ T404] CPU: 1 PID: 404 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 65.743160][ T404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.753191][ T404] Call Trace: [ 65.756461][ T404] __dump_stack+0x21/0x24 [ 65.760767][ T404] dump_stack_lvl+0x1a7/0x208 [ 65.765419][ T404] ? thaw_kernel_threads+0x220/0x220 [ 65.770709][ T404] ? show_regs_print_info+0x18/0x18 [ 65.775881][ T404] ? prandom_u32+0x24d/0x290 [ 65.780449][ T404] dump_stack+0x15/0x1c [ 65.784578][ T404] should_fail+0x3ab/0x500 [ 65.788973][ T404] ? getname_flags+0xba/0x510 [ 65.793627][ T404] __should_failslab+0xa4/0xe0 [ 65.798368][ T404] should_failslab+0x9/0x20 [ 65.802846][ T404] kmem_cache_alloc+0x3d/0x2d0 [ 65.807586][ T404] getname_flags+0xba/0x510 [ 65.812069][ T404] getname+0x19/0x20 [ 65.815938][ T404] do_sys_openat2+0xde/0x750 [ 65.820504][ T404] ? percpu_counter_add_batch+0x13c/0x160 [ 65.826199][ T404] ? blkcg_maybe_throttle_current+0x1e0/0x9e0 [ 65.832241][ T404] ? do_sys_open+0xe0/0xe0 [ 65.836634][ T404] ? ____fput+0x15/0x20 [ 65.840764][ T404] __x64_sys_openat+0x136/0x160 [ 65.845593][ T404] do_syscall_64+0x31/0x40 [ 65.849985][ T404] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 65.855850][ T404] RIP: 0033:0x7f3e271bd0ba [ 65.860270][ T404] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 65.879848][ T404] RSP: 002b:00007ffe08aeb128 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 65.888239][ T404] RAX: ffffffffffffffda RBX: 00007ffe08aeb1a0 RCX: 00007f3e271bd0ba [ 65.896188][ T404] RDX: 0000000000080000 RSI: 00007ffe08aeb1a0 RDI: 00000000ffffff9c [ 65.904135][ T404] RBP: 00007ffe08aeb190 R08: 00007ffe08aeb397 R09: 0000000000000000 [ 65.912086][ T404] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032 [ 65.920037][ T404] R13: 00007f3e27199050 R14: 00007ffe08aeb3b0 R15: 0000000000000000 [ 65.928864][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 65.933221][ T404] FAULT_INJECTION: forcing a failure. [ 65.933221][ T404] name failslab, interval 1, probability 1, space 0, times 852 [ 65.938306][ T95] FAULT_INJECTION: forcing a failure. [ 65.938306][ T95] name failslab, interval 1, probability 1, space 0, times 852 [ 65.949387][ T390] FAULT_INJECTION: forcing a failure. [ 65.949387][ T390] name failslab, interval 1, probability 1, space 0, times 852 [ 65.961523][ T95] CPU: 0 PID: 95 Comm: udevd Not tainted syzkaller #0 [ 65.980975][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.991012][ T95] Call Trace: [ 65.994288][ T95] __dump_stack+0x21/0x24 [ 65.998598][ T95] dump_stack_lvl+0x1a7/0x208 [ 66.003255][ T95] ? thaw_kernel_threads+0x220/0x220 [ 66.008519][ T95] ? show_regs_print_info+0x18/0x18 [ 66.013700][ T95] ? prandom_u32+0x24d/0x290 [ 66.018273][ T95] dump_stack+0x15/0x1c [ 66.022410][ T95] should_fail+0x3ab/0x500 [ 66.026814][ T95] ? vm_area_dup+0x26/0x250 [ 66.031299][ T95] __should_failslab+0xa4/0xe0 [ 66.036045][ T95] should_failslab+0x9/0x20 [ 66.040535][ T95] kmem_cache_alloc+0x3d/0x2d0 [ 66.045280][ T95] vm_area_dup+0x26/0x250 [ 66.049589][ T95] copy_mm+0x857/0x13d0 [ 66.053727][ T95] ? copy_signal+0x5f0/0x5f0 [ 66.058298][ T95] ? __init_rwsem+0xd5/0x1c0 [ 66.062874][ T95] ? copy_signal+0x4cc/0x5f0 [ 66.067448][ T95] copy_process+0x1386/0x3320 [ 66.072115][ T95] ? __local_bh_enable_ip+0x53/0x80 [ 66.077294][ T95] ? __pidfd_prepare+0x150/0x150 [ 66.082215][ T95] ? __sock_set_mark+0x160/0x160 [ 66.087140][ T95] ? selinux_socket_setsockopt+0x282/0x360 [ 66.092926][ T95] kernel_clone+0x233/0x950 [ 66.097415][ T95] ? _raw_spin_lock_irqsave+0x130/0x130 [ 66.102941][ T95] ? create_io_thread+0x170/0x170 [ 66.107950][ T95] __x64_sys_clone+0x198/0x210 [ 66.112696][ T95] ? __ia32_sys_vfork+0x130/0x130 [ 66.117701][ T95] ? debug_smp_processor_id+0x17/0x20 [ 66.123058][ T95] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 66.129106][ T95] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 66.134718][ T95] do_syscall_64+0x31/0x40 [ 66.139120][ T95] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 66.144991][ T95] RIP: 0033:0x7fd208431636 [ 66.149394][ T95] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 66.168979][ T95] RSP: 002b:00007ffccd1346e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 66.177376][ T95] RAX: ffffffffffffffda RBX: 00007ffccd1346e8 RCX: 00007fd208431636 [ 66.185332][ T95] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 66.193292][ T95] RBP: 0000563aac4762c0 R08: 0000000000000000 R09: 0000563aac6ac020 [ 66.201254][ T95] R10: 00007fd2082f9b50 R11: 0000000000000246 R12: 00007ffccd134aa0 [ 66.209207][ T95] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.217168][ T390] CPU: 1 PID: 390 Comm: udevd Not tainted syzkaller #0 [ 66.223997][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.234028][ T390] Call Trace: [ 66.237297][ T390] __dump_stack+0x21/0x24 [ 66.241601][ T390] dump_stack_lvl+0x1a7/0x208 [ 66.246254][ T390] ? show_regs_print_info+0x18/0x18 [ 66.251429][ T390] dump_stack+0x15/0x1c [ 66.255562][ T390] should_fail+0x3ab/0x500 [ 66.259956][ T390] ? __alloc_skb+0x9e/0x520 [ 66.264437][ T390] __should_failslab+0xa4/0xe0 [ 66.269179][ T390] should_failslab+0x9/0x20 [ 66.273659][ T390] kmem_cache_alloc+0x3d/0x2d0 [ 66.278398][ T390] __alloc_skb+0x9e/0x520 [ 66.282706][ T390] alloc_skb_with_frags+0xa3/0x560 [ 66.287796][ T390] ? __kasan_slab_free+0x11/0x20 [ 66.292710][ T390] ? slab_free_freelist_hook+0xc5/0x190 [ 66.298232][ T390] sock_alloc_send_pskb+0x87f/0x9a0 [ 66.303423][ T390] ? kmem_cache_free+0x100/0x2d0 [ 66.308339][ T390] ? sock_kzfree_s+0x60/0x60 [ 66.312908][ T390] ? __kasan_check_write+0x14/0x20 [ 66.317994][ T390] ? _raw_spin_lock+0x94/0xf0 [ 66.322647][ T390] ? _raw_spin_trylock_bh+0x150/0x150 [ 66.327998][ T390] unix_dgram_sendmsg+0x6f3/0x18f0 [ 66.333084][ T390] ? netlink_getsockopt+0x530/0x530 [ 66.338257][ T390] ? unix_dgram_poll+0x640/0x640 [ 66.343169][ T390] ? security_socket_sendmsg+0x82/0xa0 [ 66.348605][ T390] sock_write_iter+0x2a6/0x3a0 [ 66.353343][ T390] ? sock_read_iter+0x380/0x380 [ 66.358176][ T390] ? security_file_permission+0x83/0xa0 [ 66.363696][ T390] ? iov_iter_init+0x3f/0x120 [ 66.368353][ T390] vfs_write+0x770/0xd70 [ 66.372576][ T390] ? kernel_write+0x3c0/0x3c0 [ 66.377229][ T390] ? __kasan_check_read+0x11/0x20 [ 66.382232][ T390] ? __fdget_pos+0x1f7/0x380 [ 66.386797][ T390] ksys_write+0x14a/0x260 [ 66.391103][ T390] ? __ia32_sys_read+0x90/0x90 [ 66.395843][ T390] ? debug_smp_processor_id+0x17/0x20 [ 66.401190][ T390] __x64_sys_write+0x7b/0x90 [ 66.405755][ T390] do_syscall_64+0x31/0x40 [ 66.410149][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 66.416017][ T390] RIP: 0033:0x7fd2083e7407 [ 66.420409][ T390] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 66.439995][ T390] RSP: 002b:00007ffccd134790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 66.448387][ T390] RAX: ffffffffffffffda RBX: 00007fd2082f9880 RCX: 00007fd2083e7407 [ 66.456335][ T390] RDX: 0000000000000000 RSI: 00007ffccd134837 RDI: 000000000000000a [ 66.464285][ T390] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 [ 66.472237][ T390] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd2082f96e8 [ 66.480188][ T390] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.488359][ T404] CPU: 1 PID: 404 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 66.489327][ T95] udevd[95]: fork of child failed: Cannot allocate memory [ 66.496065][ T404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.513181][ T404] Call Trace: [ 66.516460][ T404] __dump_stack+0x21/0x24 [ 66.520766][ T404] dump_stack_lvl+0x1a7/0x208 [ 66.525420][ T404] ? thaw_kernel_threads+0x220/0x220 [ 66.530681][ T404] ? show_regs_print_info+0x18/0x18 [ 66.535858][ T404] ? prandom_u32+0x24d/0x290 [ 66.540424][ T404] dump_stack+0x15/0x1c [ 66.544557][ T404] should_fail+0x3ab/0x500 [ 66.548950][ T404] ? anon_vma_fork+0xf8/0x520 [ 66.553603][ T404] __should_failslab+0xa4/0xe0 [ 66.558372][ T404] should_failslab+0x9/0x20 [ 66.562854][ T404] kmem_cache_alloc+0x3d/0x2d0 [ 66.567596][ T404] anon_vma_fork+0xf8/0x520 [ 66.572077][ T404] copy_mm+0x8f9/0x13d0 [ 66.576209][ T404] ? copy_signal+0x5f0/0x5f0 [ 66.580776][ T404] ? __init_rwsem+0xd5/0x1c0 [ 66.585344][ T404] ? copy_signal+0x4cc/0x5f0 [ 66.589911][ T404] copy_process+0x1386/0x3320 [ 66.594564][ T404] ? __pidfd_prepare+0x150/0x150 [ 66.599478][ T404] ? __alloc_fd+0x570/0x570 [ 66.603955][ T404] kernel_clone+0x233/0x950 [ 66.608462][ T404] ? _raw_spin_lock_irqsave+0x130/0x130 [ 66.613982][ T404] ? create_io_thread+0x170/0x170 [ 66.618983][ T404] __x64_sys_clone+0x198/0x210 [ 66.623721][ T404] ? __ia32_sys_vfork+0x130/0x130 [ 66.628721][ T404] ? do_pipe2+0x106/0x190 [ 66.633028][ T404] ? debug_smp_processor_id+0x17/0x20 [ 66.638374][ T404] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 66.644417][ T404] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 66.650026][ T404] do_syscall_64+0x31/0x40 [ 66.654421][ T404] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 66.660287][ T404] RIP: 0033:0x7f3e26fc8636 [ 66.664682][ T404] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 66.684262][ T404] RSP: 002b:00007ffe08ae94b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 66.692653][ T404] RAX: ffffffffffffffda RBX: 00007ffe08ae94b8 RCX: 00007f3e26fc8636 [ 66.700602][ T404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 66.708551][ T404] RBP: 0000563e00d125e0 R08: 0000000000000000 R09: 00000000000000d0 [ 66.716499][ T404] R10: 00007f3e26e2ef50 R11: 0000000000000246 R12: 0000563e00d20da0 [ 66.724449][ T404] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.733340][ T390] udevd[390]: failed to send result of seq 3701 to main daemon: No buffer space available [ 66.740357][ T405] FAULT_INJECTION: forcing a failure. [ 66.740357][ T405] name failslab, interval 1, probability 1, space 0, times 849 [ 66.756023][ T405] CPU: 1 PID: 405 Comm: dhcpcd-run-hook Not tainted syzkaller #0 [ 66.763721][ T405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.773779][ T405] Call Trace: [ 66.777048][ T405] __dump_stack+0x21/0x24 [ 66.781351][ T405] dump_stack_lvl+0x1a7/0x208 [ 66.786021][ T405] ? thaw_kernel_threads+0x220/0x220 [ 66.791279][ T405] ? show_regs_print_info+0x18/0x18 [ 66.796450][ T405] ? prandom_u32+0x24d/0x290 [ 66.801028][ T405] dump_stack+0x15/0x1c [ 66.805152][ T405] should_fail+0x3ab/0x500 [ 66.809542][ T405] ? security_file_alloc+0x33/0x120 [ 66.814716][ T405] __should_failslab+0xa4/0xe0 [ 66.819474][ T405] should_failslab+0x9/0x20 [ 66.823947][ T405] kmem_cache_alloc+0x3d/0x2d0 [ 66.828685][ T405] ? __alloc_file+0x28/0x320 [ 66.833246][ T405] security_file_alloc+0x33/0x120 [ 66.838243][ T405] __alloc_file+0xb5/0x320 [ 66.842629][ T405] alloc_empty_file+0x97/0x180 [ 66.847362][ T405] path_openat+0xf4/0x3040 [ 66.851752][ T405] ? __kasan_slab_alloc+0xc9/0xe0 [ 66.856744][ T405] ? __kasan_slab_alloc+0xb7/0xe0 [ 66.861738][ T405] ? kmem_cache_alloc+0x15a/0x2d0 [ 66.866734][ T405] ? getname_flags+0xba/0x510 [ 66.871383][ T405] ? getname+0x19/0x20 [ 66.875421][ T405] ? do_sys_openat2+0xde/0x750 [ 66.880153][ T405] ? __x64_sys_openat+0x136/0x160 [ 66.885145][ T405] ? do_syscall_64+0x31/0x40 [ 66.889708][ T405] ? do_filp_open+0x400/0x400 [ 66.894353][ T405] do_filp_open+0x1df/0x400 [ 66.898825][ T405] ? vfs_tmpfile+0x2c0/0x2c0 [ 66.903385][ T405] ? get_unused_fd_flags+0x92/0xa0 [ 66.908468][ T405] do_sys_openat2+0x19f/0x750 [ 66.913116][ T405] ? percpu_counter_add_batch+0x13c/0x160 [ 66.918804][ T405] ? blkcg_maybe_throttle_current+0x1e0/0x9e0 [ 66.924839][ T405] ? do_sys_open+0xe0/0xe0 [ 66.929227][ T405] ? __blkcg_punt_bio_submit+0x170/0x170 [ 66.934849][ T405] ? ____fput+0x15/0x20 [ 66.938981][ T405] __x64_sys_openat+0x136/0x160 [ 66.943804][ T405] do_syscall_64+0x31/0x40 [ 66.948190][ T405] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 66.954053][ T405] RIP: 0033:0x7f5099a360ba [ 66.958455][ T405] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 66.978031][ T405] RSP: 002b:00007fffc446a398 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 66.986422][ T405] RAX: ffffffffffffffda RBX: 00007fffc446a410 RCX: 00007f5099a360ba [ 66.994455][ T405] RDX: 0000000000080000 RSI: 00007fffc446a410 RDI: 00000000ffffff9c [ 67.002402][ T405] RBP: 00007fffc446a400 R08: 00007fffc446a607 R09: 0000000000000000 [ 67.010352][ T405] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001b [ 67.018298][ T405] R13: 00007f5099a12050 R14: 00007fffc446a620 R15: 0000000000000000 [ 67.027002][ T7] FAULT_INJECTION: forcing a failure. [ 67.027002][ T7] name failslab, interval 1, probability 1, space 0, times 848 [ 67.039799][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 67.047060][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.057098][ T7] Workqueue: netns cleanup_net [ 67.061853][ T7] Call Trace: [ 67.065115][ T7] __dump_stack+0x21/0x24 [ 67.069413][ T7] dump_stack_lvl+0x1a7/0x208 [ 67.074085][ T7] ? show_regs_print_info+0x18/0x18 [ 67.079252][ T7] ? prandom_u32+0x24d/0x290 [ 67.083810][ T7] dump_stack+0x15/0x1c [ 67.087935][ T7] should_fail+0x3ab/0x500 [ 67.092322][ T7] ? __alloc_skb+0x9e/0x520 [ 67.096800][ T7] __should_failslab+0xa4/0xe0 [ 67.101531][ T7] should_failslab+0x9/0x20 [ 67.106006][ T7] kmem_cache_alloc+0x3d/0x2d0 [ 67.110741][ T7] __alloc_skb+0x9e/0x520 [ 67.115057][ T7] ? __fib6_drop_pcpu_from+0x27d/0x2c0 [ 67.120485][ T7] inet6_rt_notify+0x293/0x480 [ 67.125219][ T7] ? rt6_nh_dump_exceptions+0x6b0/0x6b0 [ 67.130737][ T7] ? call_fib_notifiers+0xa0/0xc0 [ 67.135866][ T7] fib6_del+0xb9e/0xf00 [ 67.140008][ T7] ? fib6_locate+0x460/0x460 [ 67.144594][ T7] ? ret_from_fork+0x1f/0x30 [ 67.149162][ T7] ? fib6_ifdown+0x2e8/0x4e0 [ 67.153723][ T7] fib6_clean_node+0x2a1/0x540 [ 67.158457][ T7] ? node_free_rcu+0x30/0x30 [ 67.163020][ T7] ? __kasan_record_aux_stack+0xd2/0x100 [ 67.168637][ T7] ? fib_netdev_event+0x3d8/0x5b0 [ 67.173640][ T7] ? raw_notifier_call_chain+0x90/0x100 [ 67.179171][ T7] ? dev_close_many+0x328/0x4d0 [ 67.183992][ T7] ? unregister_netdevice_many+0x477/0x19f0 [ 67.189859][ T7] ? ip_tunnel_delete_nets+0x343/0x390 [ 67.195299][ T7] ? cleanup_net+0x5fe/0xb80 [ 67.199878][ T7] ? process_one_work+0x6fd/0xbc0 [ 67.204873][ T7] ? worker_thread+0xa8e/0x13c0 [ 67.209695][ T7] ? kthread+0x324/0x3b0 [ 67.213906][ T7] ? ret_from_fork+0x1f/0x30 [ 67.218468][ T7] fib6_walk_continue+0x54b/0x740 [ 67.223464][ T7] fib6_walk+0x153/0x290 [ 67.227677][ T7] fib6_clean_all+0x1a1/0x270 [ 67.232335][ T7] ? rt6_sync_down_dev+0x140/0x140 [ 67.237442][ T7] ? fib6_del+0xf00/0xf00 [ 67.241746][ T7] ? node_free_rcu+0x30/0x30 [ 67.246310][ T7] ? rt6_sync_down_dev+0x140/0x140 [ 67.251416][ T7] rt6_disable_ip+0x114/0x690 [ 67.256083][ T7] ? __kasan_check_write+0x14/0x20 [ 67.261165][ T7] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 67.266592][ T7] ? fib6_ifdown+0x4e0/0x4e0 [ 67.271178][ T7] ? __kasan_check_read+0x11/0x20 [ 67.276175][ T7] addrconf_ifdown+0x144/0x1890 [ 67.280996][ T7] ? detach_if_pending+0xf5/0x300 [ 67.285988][ T7] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 67.291763][ T7] ? addrconf_cleanup+0x1c0/0x1c0 [ 67.296759][ T7] ? __kasan_check_write+0x14/0x20 [ 67.301837][ T7] ? mutex_lock+0x92/0xf0 [ 67.306149][ T7] ? mutex_trylock+0xb0/0xb0 [ 67.310712][ T7] ? nf_nat_masq_schedule+0x4a0/0x4a0 [ 67.316056][ T7] addrconf_notify+0x3bd/0xea0 [ 67.320790][ T7] raw_notifier_call_chain+0x90/0x100 [ 67.326131][ T7] dev_close_many+0x328/0x4d0 [ 67.330776][ T7] ? __dev_open+0x500/0x500 [ 67.335249][ T7] ? __kasan_check_read+0x11/0x20 [ 67.340242][ T7] unregister_netdevice_many+0x477/0x19f0 [ 67.345929][ T7] ? netdev_run_todo+0xd31/0xda0 [ 67.350837][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 67.355833][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.361694][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.366514][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.372376][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.377200][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 67.382458][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 67.387628][ T7] ? xfrmi6_err+0x640/0x640 [ 67.392105][ T7] ipgre_tap_exit_batch_net+0x22/0x30 [ 67.397449][ T7] ? ipgre_tap_init_net+0x30/0x30 [ 67.402445][ T7] cleanup_net+0x5fe/0xb80 [ 67.406835][ T7] ? __kasan_check_write+0x14/0x20 [ 67.411918][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 67.417700][ T7] ? ops_init+0x470/0x470 [ 67.422002][ T7] ? __kasan_check_read+0x11/0x20 [ 67.426997][ T7] ? read_word_at_a_time+0x12/0x20 [ 67.432079][ T7] ? strscpy+0x9b/0x290 [ 67.436207][ T7] process_one_work+0x6fd/0xbc0 [ 67.441029][ T7] worker_thread+0xa8e/0x13c0 [ 67.445679][ T7] kthread+0x324/0x3b0 [ 67.449719][ T7] ? worker_clr_flags+0x190/0x190 [ 67.454713][ T7] ? kthread_blkcg+0xd0/0xd0 [ 67.459300][ T7] ret_from_fork+0x1f/0x30 [ 67.464174][ T7] FAULT_INJECTION: forcing a failure. [ 67.464174][ T7] name failslab, interval 1, probability 1, space 0, times 847 [ 67.476956][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 67.484238][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.494277][ T7] Workqueue: netns cleanup_net [ 67.499039][ T7] Call Trace: [ 67.502307][ T7] __dump_stack+0x21/0x24 [ 67.506610][ T7] dump_stack_lvl+0x1a7/0x208 [ 67.511262][ T7] ? show_regs_print_info+0x18/0x18 [ 67.516516][ T7] ? prandom_u32+0x24d/0x290 [ 67.521170][ T7] dump_stack+0x15/0x1c [ 67.525299][ T7] should_fail+0x3ab/0x500 [ 67.529690][ T7] ? __alloc_skb+0x9e/0x520 [ 67.534184][ T7] __should_failslab+0xa4/0xe0 [ 67.538925][ T7] should_failslab+0x9/0x20 [ 67.543414][ T7] kmem_cache_alloc+0x3d/0x2d0 [ 67.548148][ T7] __alloc_skb+0x9e/0x520 [ 67.552453][ T7] ? __kasan_check_read+0x11/0x20 [ 67.557451][ T7] __ipv6_ifa_notify+0x200/0xe70 [ 67.562383][ T7] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 67.568091][ T7] ? _raw_spin_unlock+0x4d/0x70 [ 67.572919][ T7] ? __kasan_check_write+0x14/0x20 [ 67.578009][ T7] ? try_to_grab_pending+0x1ab/0x570 [ 67.583267][ T7] ? mod_delayed_work_on+0xd0/0xd0 [ 67.588355][ T7] ? mod_delayed_work_on+0xd0/0xd0 [ 67.593438][ T7] ? __kasan_check_write+0x14/0x20 [ 67.598538][ T7] ? _raw_spin_lock_bh+0x94/0xf0 [ 67.603448][ T7] ? _raw_spin_lock_irq+0xf0/0xf0 [ 67.608447][ T7] addrconf_ifdown+0xdb1/0x1890 [ 67.613292][ T7] ? addrconf_cleanup+0x1c0/0x1c0 [ 67.618292][ T7] ? __kasan_check_write+0x14/0x20 [ 67.623373][ T7] ? mutex_lock+0x92/0xf0 [ 67.627671][ T7] ? mutex_trylock+0xb0/0xb0 [ 67.632233][ T7] ? nf_nat_masq_schedule+0x4a0/0x4a0 [ 67.637577][ T7] addrconf_notify+0x3bd/0xea0 [ 67.642314][ T7] raw_notifier_call_chain+0x90/0x100 [ 67.647656][ T7] dev_close_many+0x328/0x4d0 [ 67.652305][ T7] ? __dev_open+0x500/0x500 [ 67.656791][ T7] ? __kasan_check_read+0x11/0x20 [ 67.661805][ T7] unregister_netdevice_many+0x477/0x19f0 [ 67.667495][ T7] ? netdev_run_todo+0xd31/0xda0 [ 67.672406][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 67.677400][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.683262][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.688105][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.693973][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.698796][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 67.704051][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 67.709222][ T7] ? xfrmi6_err+0x640/0x640 [ 67.713695][ T7] ipgre_tap_exit_batch_net+0x22/0x30 [ 67.719035][ T7] ? ipgre_tap_init_net+0x30/0x30 [ 67.724032][ T7] cleanup_net+0x5fe/0xb80 [ 67.728436][ T7] ? __kasan_check_write+0x14/0x20 [ 67.733518][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 67.739300][ T7] ? ops_init+0x470/0x470 [ 67.743599][ T7] ? __kasan_check_read+0x11/0x20 [ 67.748593][ T7] ? read_word_at_a_time+0x12/0x20 [ 67.753675][ T7] ? strscpy+0x9b/0x290 [ 67.757898][ T7] process_one_work+0x6fd/0xbc0 [ 67.762722][ T7] worker_thread+0xa8e/0x13c0 [ 67.767375][ T7] kthread+0x324/0x3b0 [ 67.771435][ T7] ? worker_clr_flags+0x190/0x190 [ 67.776431][ T7] ? kthread_blkcg+0xd0/0xd0 [ 67.780992][ T7] ret_from_fork+0x1f/0x30 [ 67.786451][ T7] FAULT_INJECTION: forcing a failure. [ 67.786451][ T7] name failslab, interval 1, probability 1, space 0, times 846 [ 67.799240][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 67.806591][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.816648][ T7] Workqueue: netns cleanup_net [ 67.821385][ T7] Call Trace: [ 67.824651][ T7] __dump_stack+0x21/0x24 [ 67.828955][ T7] dump_stack_lvl+0x1a7/0x208 [ 67.833608][ T7] ? show_regs_print_info+0x18/0x18 [ 67.838867][ T7] dump_stack+0x15/0x1c [ 67.843004][ T7] should_fail+0x3ab/0x500 [ 67.847392][ T7] ? __alloc_skb+0x9e/0x520 [ 67.851866][ T7] __should_failslab+0xa4/0xe0 [ 67.856604][ T7] should_failslab+0x9/0x20 [ 67.861095][ T7] kmem_cache_alloc+0x3d/0x2d0 [ 67.865829][ T7] __alloc_skb+0x9e/0x520 [ 67.870133][ T7] ? addrconf_ifdown+0x15bf/0x1890 [ 67.875215][ T7] inet6_netconf_notify_devconf+0xd6/0x190 [ 67.880992][ T7] addrconf_ifdown+0x15d5/0x1890 [ 67.885908][ T7] ? addrconf_cleanup+0x1c0/0x1c0 [ 67.890904][ T7] ? __kasan_check_write+0x14/0x20 [ 67.895985][ T7] ? mutex_lock+0x92/0xf0 [ 67.900287][ T7] ? mutex_trylock+0xb0/0xb0 [ 67.904850][ T7] ? _raw_spin_lock+0x94/0xf0 [ 67.909501][ T7] ? _raw_spin_trylock_bh+0x150/0x150 [ 67.914846][ T7] addrconf_notify+0x3bd/0xea0 [ 67.919584][ T7] raw_notifier_call_chain+0x90/0x100 [ 67.924931][ T7] unregister_netdevice_many+0x100e/0x19f0 [ 67.930726][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 67.935729][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.941595][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.946415][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 67.952279][ T7] ? list_netdevice+0x4c0/0x4c0 [ 67.957105][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 67.962367][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 67.967533][ T7] ? xfrmi6_err+0x640/0x640 [ 67.972009][ T7] ipgre_tap_exit_batch_net+0x22/0x30 [ 67.977352][ T7] ? ipgre_tap_init_net+0x30/0x30 [ 67.982361][ T7] cleanup_net+0x5fe/0xb80 [ 67.986757][ T7] ? __kasan_check_write+0x14/0x20 [ 67.991848][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 67.997654][ T7] ? ops_init+0x470/0x470 [ 68.001959][ T7] ? __kasan_check_read+0x11/0x20 [ 68.006961][ T7] ? read_word_at_a_time+0x12/0x20 [ 68.012044][ T7] ? strscpy+0x9b/0x290 [ 68.016177][ T7] process_one_work+0x6fd/0xbc0 [ 68.021024][ T7] worker_thread+0xa8e/0x13c0 [ 68.025676][ T7] kthread+0x324/0x3b0 [ 68.029717][ T7] ? worker_clr_flags+0x190/0x190 [ 68.034713][ T7] ? kthread_blkcg+0xd0/0xd0 [ 68.039275][ T7] ret_from_fork+0x1f/0x30 [ 68.081601][ T7] FAULT_INJECTION: forcing a failure. [ 68.081601][ T7] name failslab, interval 1, probability 1, space 0, times 845 [ 68.094398][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 68.101684][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.111724][ T7] Workqueue: netns cleanup_net [ 68.116462][ T7] Call Trace: [ 68.119728][ T7] __dump_stack+0x21/0x24 [ 68.124029][ T7] dump_stack_lvl+0x1a7/0x208 [ 68.128675][ T7] ? show_regs_print_info+0x18/0x18 [ 68.133845][ T7] dump_stack+0x15/0x1c [ 68.137972][ T7] should_fail+0x3ab/0x500 [ 68.142363][ T7] ? rtmsg_ifinfo_build_skb+0x75/0x180 [ 68.147794][ T7] __should_failslab+0xa4/0xe0 [ 68.152533][ T7] should_failslab+0x9/0x20 [ 68.157007][ T7] __kmalloc_track_caller+0x5f/0x310 [ 68.162285][ T7] ? kmem_cache_alloc+0x15a/0x2d0 [ 68.167296][ T7] ? __alloc_skb+0x9e/0x520 [ 68.171799][ T7] ? rtmsg_ifinfo_build_skb+0x75/0x180 [ 68.177228][ T7] __alloc_skb+0xdc/0x520 [ 68.181529][ T7] rtmsg_ifinfo_build_skb+0x75/0x180 [ 68.186787][ T7] unregister_netdevice_many+0x10b9/0x19f0 [ 68.192582][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 68.197580][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 68.203463][ T7] ? list_netdevice+0x4c0/0x4c0 [ 68.208294][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 68.214161][ T7] ? list_netdevice+0x4c0/0x4c0 [ 68.218984][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 68.224265][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 68.229434][ T7] ? xfrmi6_err+0x640/0x640 [ 68.233913][ T7] ipgre_exit_batch_net+0x22/0x30 [ 68.238914][ T7] ? ipgre_init_net+0x30/0x30 [ 68.243564][ T7] cleanup_net+0x5fe/0xb80 [ 68.247957][ T7] ? __kasan_check_write+0x14/0x20 [ 68.253045][ T7] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 68.258825][ T7] ? ops_init+0x470/0x470 [ 68.263127][ T7] ? __kasan_check_read+0x11/0x20 [ 68.268140][ T7] ? read_word_at_a_time+0x12/0x20 [ 68.273221][ T7] ? strscpy+0x9b/0x290 [ 68.277349][ T7] process_one_work+0x6fd/0xbc0 [ 68.282199][ T7] worker_thread+0xa8e/0x13c0 [ 68.286850][ T7] kthread+0x324/0x3b0 [ 68.290890][ T7] ? worker_clr_flags+0x190/0x190 [ 68.296097][ T7] ? kthread_blkcg+0xd0/0xd0 [ 68.300662][ T7] ret_from_fork+0x1f/0x30 [ 68.331989][ T7] FAULT_INJECTION: forcing a failure. [ 68.331989][ T7] name failslab, interval 1, probability 1, space 0, times 844 [ 68.344796][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 68.352052][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.362179][ T7] Workqueue: netns cleanup_net [ 68.366934][ T7] Call Trace: [ 68.370202][ T7] __dump_stack+0x21/0x24 [ 68.374502][ T7] dump_stack_lvl+0x1a7/0x208 [ 68.379151][ T7] ? show_regs_print_info+0x18/0x18 [ 68.384319][ T7] ? prandom_u32+0x24d/0x290 [ 68.388881][ T7] dump_stack+0x15/0x1c [ 68.393017][ T7] should_fail+0x3ab/0x500 [ 68.397409][ T7] ? __alloc_skb+0x9e/0x520 [ 68.401890][ T7] __should_failslab+0xa4/0xe0 [ 68.406644][ T7] should_failslab+0x9/0x20 [ 68.411140][ T7] kmem_cache_alloc+0x3d/0x2d0 [ 68.415880][ T7] __alloc_skb+0x9e/0x520 [ 68.420184][ T7] rtmsg_ifinfo_build_skb+0x75/0x180 [ 68.425458][ T7] unregister_netdevice_many+0x10b9/0x19f0 [ 68.431240][ T7] ? alloc_netdev_mqs+0xca0/0xca0 [ 68.436240][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 68.442103][ T7] ? list_netdevice+0x4c0/0x4c0 [ 68.446925][ T7] ? unregister_netdevice_queue+0x17c/0x320 [ 68.452792][ T7] ? list_netdevice+0x4c0/0x4c0 [ 68.457634][ T7] ip_tunnel_delete_nets+0x343/0x390 [ 68.462895][ T7] ? ip_tunnel_bind_dev+0x740/0x740 [ 68.468083][ T7] ? xfrmi6_err+0x640/0x640 [ 68.472559][ T7] ipip_exit_batch_net+0x22/0x30 [ 68.477466][ T7] ? ipip_init_net+0x30/0x30