Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts. 2026/05/06 00:51:32 parsed 1 programs [ 24.086312][ T30] audit: type=1400 audit(1778028692.172:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.107378][ T30] audit: type=1400 audit(1778028692.172:65): avc: denied { module_request } for pid=293 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 24.711955][ T30] audit: type=1400 audit(1778028692.792:66): avc: denied { mounton } for pid=299 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 24.713021][ T299] cgroup: Unknown subsys name 'net' [ 24.734735][ T30] audit: type=1400 audit(1778028692.792:67): avc: denied { mount } for pid=299 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.762293][ T30] audit: type=1400 audit(1778028692.822:68): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.762535][ T299] cgroup: Unknown subsys name 'devices' [ 24.968026][ T299] cgroup: Unknown subsys name 'hugetlb' [ 24.973633][ T299] cgroup: Unknown subsys name 'rlimit' [ 25.115077][ T30] audit: type=1400 audit(1778028693.192:69): avc: denied { setattr } for pid=299 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 25.138455][ T30] audit: type=1400 audit(1778028693.192:70): avc: denied { create } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.147064][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.158973][ T30] audit: type=1400 audit(1778028693.192:71): avc: denied { write } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.188237][ T30] audit: type=1400 audit(1778028693.192:72): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 25.208451][ T30] audit: type=1400 audit(1778028693.202:73): avc: denied { mounton } for pid=299 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 25.220861][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.641751][ T306] request_module fs-gadgetfs succeeded, but still no fs? [ 25.956573][ T325] syz-executor (325) used greatest stack depth: 21344 bytes left [ 25.970136][ T329] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.977307][ T329] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.984633][ T329] device bridge_slave_0 entered promiscuous mode [ 25.991745][ T329] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.998896][ T329] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.006321][ T329] device bridge_slave_1 entered promiscuous mode [ 26.040692][ T329] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.047851][ T329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.055095][ T329] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.062216][ T329] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.078433][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.086148][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.093498][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.103466][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.111816][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.118951][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.127582][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.135772][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.142916][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.154865][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.164099][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.178043][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.189935][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.198244][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.206217][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.214207][ T329] device veth0_vlan entered promiscuous mode [ 26.223905][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.233475][ T329] device veth1_macvtap entered promiscuous mode [ 26.243215][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.253224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/06 00:51:34 executed programs: 0 [ 26.726831][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.733875][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.741537][ T369] device bridge_slave_0 entered promiscuous mode [ 26.752115][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.759388][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.766975][ T369] device bridge_slave_1 entered promiscuous mode [ 26.805834][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.812922][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.820200][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.827366][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.844395][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.852529][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.860255][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.872603][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.880808][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.887857][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.896626][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.904772][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.911824][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.925738][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.935082][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.948644][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 26.957211][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.967078][ T45] device bridge_slave_1 left promiscuous mode [ 26.973176][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.980877][ T45] device bridge_slave_0 left promiscuous mode [ 26.987154][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.994822][ T45] device veth1_macvtap left promiscuous mode [ 27.001234][ T45] device veth0_vlan left promiscuous mode [ 27.120957][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.128984][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.137705][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.145156][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.153191][ T369] device veth0_vlan entered promiscuous mode [ 27.161952][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.170160][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.180510][ T369] device veth1_macvtap entered promiscuous mode [ 27.188711][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.196423][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.204986][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.214205][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.222490][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.245794][ T373] loop2: detected capacity change from 0 to 1024 [ 27.256795][ T373] ======================================================= [ 27.256795][ T373] WARNING: The mand mount option has been deprecated and [ 27.256795][ T373] and is ignored by this kernel. Remove the mand [ 27.256795][ T373] option from the mount to silence this warning. [ 27.256795][ T373] ======================================================= [ 27.323039][ T373] EXT4-fs (loop2): Ignoring removed bh option [ 27.338200][ T373] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000004,dioread_lock,data_err=ignore,max_dir_size_kb=0x00000000004007b1,data_err=ignore,grpquota,abort,resgid=0x0000000000000000,bh,nouid32,,errors=continue. Quota mode: writeback. [ 27.382262][ T373] ================================================================== [ 27.390441][ T373] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 [ 27.398278][ T373] Read of size 4 at addr ffff888129e17ec4 by task syz.2.17/373 [ 27.405832][ T373] [ 27.408168][ T373] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 [ 27.415262][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 27.425484][ T373] Call Trace: [ 27.428749][ T373] [ 27.431690][ T373] __dump_stack+0x21/0x30 [ 27.436003][ T373] dump_stack_lvl+0x110/0x170 [ 27.440769][ T373] ? show_regs_print_info+0x20/0x20 [ 27.445988][ T373] ? load_image+0x3e0/0x3e0 [ 27.450502][ T373] print_address_description+0x7f/0x2c0 [ 27.456127][ T373] ? ext4_find_extent+0xbeb/0xe20 [ 27.461334][ T373] kasan_report+0xf1/0x140 [ 27.465775][ T373] ? __read_extent_tree_block+0x1e8/0x790 [ 27.471499][ T373] ? ext4_find_extent+0xbeb/0xe20 [ 27.476519][ T373] __asan_report_load4_noabort+0x14/0x20 [ 27.482145][ T373] ext4_find_extent+0xbeb/0xe20 [ 27.487074][ T373] ? x64_sys_call+0xa6/0x9a0 [ 27.491741][ T373] ext4_ext_map_blocks+0x207/0x61e0 [ 27.496945][ T373] ? is_bpf_text_address+0x177/0x190 [ 27.502253][ T373] ? __kernel_text_address+0xa0/0x100 [ 27.507613][ T373] ? unwind_get_return_address+0x4d/0x90 [ 27.513799][ T373] ? ext4_ext_release+0x10/0x10 [ 27.518691][ T373] ? arch_stack_walk+0xee/0x140 [ 27.523660][ T373] ? ext4_es_lookup_extent+0x54c/0x900 [ 27.529100][ T373] ext4_map_blocks+0x988/0x1b30 [ 27.534047][ T373] ? __kasan_slab_alloc+0xcf/0xf0 [ 27.539528][ T373] ? alloc_page_buffers+0x16d/0x370 [ 27.544908][ T373] ? __x64_sys_pwrite64+0x197/0x220 [ 27.550183][ T373] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.556448][ T373] ? ext4_issue_zeroout+0x250/0x250 [ 27.561733][ T373] _ext4_get_block+0x1ea/0x540 [ 27.566499][ T373] ? ext4_get_block+0x50/0x50 [ 27.571185][ T373] ? slab_post_alloc_hook+0x6d/0x2b0 [ 27.576476][ T373] ext4_get_block+0x39/0x50 [ 27.581249][ T373] ext4_block_write_begin+0x563/0x1160 [ 27.586699][ T373] ? ext4_es_is_delayed+0x40/0x40 [ 27.591756][ T373] ? ext4_print_free_blocks+0x390/0x390 [ 27.597296][ T373] ? ext4_write_begin+0x44c/0x12e0 [ 27.602399][ T373] ? __ext4_journal_start_sb+0x154/0x2b0 [ 27.608411][ T373] ext4_write_begin+0x65a/0x12e0 [ 27.613345][ T373] ? ext4_readahead+0x110/0x110 [ 27.618181][ T373] ? kasan_set_track+0x5b/0x70 [ 27.622940][ T373] ? kasan_set_free_info+0x23/0x40 [ 27.628449][ T373] ? ____kasan_slab_free+0x125/0x160 [ 27.633725][ T373] ? __kasan_slab_free+0x11/0x20 [ 27.638652][ T373] ? slab_free_freelist_hook+0xc2/0x190 [ 27.644287][ T373] ? kfree+0xc4/0x270 [ 27.648256][ T373] ? iter_file_splice_write+0xaf8/0xcb0 [ 27.653784][ T373] ? direct_splice_actor+0xe9/0x120 [ 27.658964][ T373] ? splice_direct_to_actor+0x4d8/0xb50 [ 27.664489][ T373] ? do_splice_direct+0x1c2/0x2d0 [ 27.669509][ T373] ? do_sendfile+0x5ed/0xea0 [ 27.674079][ T373] ? __x64_sys_sendfile64+0x199/0x1f0 [ 27.679431][ T373] ? x64_sys_call+0x88d/0x9a0 [ 27.684126][ T373] ? do_syscall_64+0x4c/0xa0 [ 27.688693][ T373] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.694755][ T373] ext4_da_write_begin+0x321/0xbf0 [ 27.699939][ T373] ? debug_smp_processor_id+0x17/0x20 [ 27.705290][ T373] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 27.710832][ T373] ? get_futex_key+0x68b/0xb60 [ 27.715574][ T373] ? __kasan_slab_free+0x11/0x20 [ 27.721038][ T373] ? __kasan_check_write+0x14/0x20 [ 27.726147][ T373] ? __kasan_check_read+0x11/0x20 [ 27.731240][ T373] ? wb_io_lists_depopulated+0x8c/0x180 [ 27.736961][ T373] ? fault_in_readable+0x130/0x160 [ 27.742050][ T373] generic_perform_write+0x2b7/0x690 [ 27.747322][ T373] ? generic_update_time+0x1da/0x1f0 [ 27.752587][ T373] ? file_remove_privs+0x5c0/0x5c0 [ 27.757685][ T373] ? grab_cache_page_write_begin+0xb0/0xb0 [ 27.763482][ T373] ? generic_write_checks+0x3d4/0x480 [ 27.768850][ T373] ext4_buffered_write_iter+0x4ed/0x670 [ 27.774398][ T373] ext4_file_write_iter+0x440/0x1540 [ 27.780099][ T373] ? fsnotify_clear_child_dentry_flag+0xf0/0xf0 [ 27.786429][ T373] ? pipe_to_sendpage+0x320/0x320 [ 27.791668][ T373] ? dput+0x62/0x90 [ 27.795468][ T373] ? avc_policy_seqno+0x1b/0x70 [ 27.800296][ T373] ? ext4_file_read_iter+0x510/0x510 [ 27.805682][ T373] ? memset+0x35/0x40 [ 27.809749][ T373] ? iov_iter_init+0xbc/0x180 [ 27.814417][ T373] vfs_write+0x835/0xfd0 [ 27.818658][ T373] ? file_end_write+0x1b0/0x1b0 [ 27.823499][ T373] ? __kasan_check_read+0x11/0x20 [ 27.828594][ T373] ? __fdget+0x15b/0x230 [ 27.832907][ T373] __x64_sys_pwrite64+0x197/0x220 [ 27.837923][ T373] ? ksys_pwrite64+0x1b0/0x1b0 [ 27.842753][ T373] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 27.849000][ T373] x64_sys_call+0xa6/0x9a0 [ 27.853395][ T373] do_syscall_64+0x4c/0xa0 [ 27.857792][ T373] ? clear_bhb_loop+0x50/0xa0 [ 27.862452][ T373] ? clear_bhb_loop+0x50/0xa0 [ 27.867289][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.873166][ T373] RIP: 0033:0x7f510041ddd9 [ 27.877669][ T373] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 27.897510][ T373] RSP: 002b:00007ffcc53e8a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 27.906006][ T373] RAX: ffffffffffffffda RBX: 00007f5100696fa0 RCX: 00007f510041ddd9 [ 27.914121][ T373] RDX: 0000000000000001 RSI: 00002000000005c0 RDI: 0000000000000004 [ 27.922169][ T373] RBP: 00007f51004b3d69 R08: 0000000000000000 R09: 0000000000000000 [ 27.930121][ T373] R10: 000000000004fed0 R11: 0000000000000246 R12: 0000000000000000 [ 27.938073][ T373] R13: 00007f5100696fac R14: 00007f5100696fa0 R15: 00007f5100696fa0 [ 27.946049][ T373] [ 27.949056][ T373] [ 27.951363][ T373] The buggy address belongs to the page: [ 27.957055][ T373] page:ffffea0004a785c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x129e17 [ 27.967270][ T373] flags: 0x4000000000000000(zone=1) [ 27.972468][ T373] raw: 4000000000000000 ffffea0004a782c8 ffffea0004a78388 0000000000000000 [ 27.981034][ T373] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 27.989596][ T373] page dumped because: kasan: bad access detected [ 27.996121][ T373] page_owner tracks the page as freed [ 28.001477][ T373] page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 366, ts 26581869774, free_ts 26700028634 [ 28.016002][ T373] post_alloc_hook+0x192/0x1b0 [ 28.020771][ T373] prep_new_page+0x1c/0x110 [ 28.025378][ T373] get_page_from_freelist+0x2d3a/0x2dc0 [ 28.030918][ T373] __alloc_pages+0x1a2/0x460 [ 28.035497][ T373] wp_page_copy+0x224/0x1910 [ 28.040158][ T373] do_wp_page+0x731/0xc90 [ 28.044647][ T373] handle_pte_fault+0x762/0x2710 [ 28.049686][ T373] do_handle_mm_fault+0x1af9/0x1de0 [ 28.054879][ T373] do_user_addr_fault+0x828/0x1250 [ 28.059981][ T373] exc_page_fault+0x51/0xb0 [ 28.064470][ T373] asm_exc_page_fault+0x27/0x30 [ 28.069305][ T373] page last free stack trace: [ 28.073958][ T373] free_unref_page_prepare+0x542/0x550 [ 28.079501][ T373] free_unref_page_list+0x13a/0x9d0 [ 28.084760][ T373] release_pages+0x1006/0x1060 [ 28.089517][ T373] free_pages_and_swap_cache+0x86/0xa0 [ 28.094955][ T373] tlb_finish_mmu+0x17e/0x310 [ 28.099617][ T373] exit_mmap+0x43b/0x8b0 [ 28.103888][ T373] __mmput+0x93/0x320 [ 28.107863][ T373] mmput+0x50/0x150 [ 28.111654][ T373] do_exit+0x9f2/0x27e0 [ 28.115839][ T373] do_group_exit+0x141/0x310 [ 28.120507][ T373] get_signal+0x66a/0x1480 [ 28.124989][ T373] arch_do_signal_or_restart+0xdf/0x11c0 [ 28.130773][ T373] exit_to_user_mode_loop+0xa7/0xe0 [ 28.136123][ T373] exit_to_user_mode_prepare+0x87/0xd0 [ 28.141679][ T373] syscall_exit_to_user_mode+0x1a/0x30 [ 28.147238][ T373] do_syscall_64+0x58/0xa0 [ 28.151665][ T373] [ 28.153970][ T373] Memory state around the buggy address: [ 28.159662][ T373] ffff888129e17d80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 28.167705][ T373] ffff888129e17e00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 28.175743][ T373] >ffff888129e17e80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 28.183952][ T373] ^ [ 28.190082][ T373] ffff888129e17f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 28.198136][ T373] ffff888129e17f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 28.206174][ T373] ================================================================== [ 28.214209][ T373] Disabling lock debugging due to kernel taint [ 28.225439][ T373] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz.2.17: Invalid inode table block 8391460049216894068 in block_group 0 [ 28.239760][ T373] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5885: Corrupt filesystem [ 28.249457][ T373] EXT4-fs error (device loop2): ext4_dirty_inode:6089: inode #15: comm syz.2.17: mark_inode_dirty error [ 28.261589][ T373] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz.2.17: Invalid block bitmap block 8391460049216894068 in block_group 0 [ 28.276822][ T373] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz.2.17: Invalid inode table block 8391460049216894068 in block_group 0 [ 28.291074][ T373] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5885: Corrupt filesystem [ 28.300946][ T373] EXT4-fs error (device loop2): ext4_dirty_inode:6089: inode #15: comm syz.2.17: mark_inode_dirty error [ 28.312440][ T373] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz.2.17: Invalid block bitmap block 8391460049216894068 in block_group 0 [ 28.327797][ T373] EXT4-fs error (device loop2): ext4_discard_preallocations:5140: comm syz.2.17: Error -117 reading block bitmap for 0 [ 28.340734][ T373] EXT4-fs error (device loop2): ext4_discard_preallocations:5132: comm syz.2.17: Error -117 loading buddy information for 4294952389 [ 28.360452][ T369] EXT4-fs warning (device loop2): htree_dirblock_to_tree:1083: inode #2: lblock 0: comm syz-executor: error -117 reading directory block