INFO: task syz.3.241:6484 blocked for more than 152 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.241 state:D stack:27528 pid:6484 tgid:6472 ppid:5596 task_flags:0x400040 flags:0x00080003 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6740 kernel/sched/core.c:7239 __schedule_loop kernel/sched/core.c:7316 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7331 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7388 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0xcbf/0x1bc0 kernel/locking/mutex.c:821 tty_release_struct+0xad/0xe0 drivers/tty/tty_io.c:1691 tty_release+0xd7a/0x1300 drivers/tty/tty_io.c:1852 __fput+0x3ff/0xb50 fs/file_table.c:512 task_work_run+0x150/0x240 kernel/task_work.c:233 get_signal+0x1bd/0x21e0 kernel/signal.c:2818 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0ebcb9e0d9 RSP: 002b:00007f0ebadf6028 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: 0000000000000007 RBX: 00007f0ebce26180 RCX: 00007f0ebcb9e0d9 RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000040 RBP: 00007f0ebcc35024 R08: 0000000000000000 R09: 0000000000000000 R10: 00002000000002c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0ebce26218 R14: 00007f0ebce26180 R15: 00007fff16064808 INFO: task syz.2.249:6494 blocked for more than 152 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.249 state:D stack:25336 pid:6494 tgid:6494 ppid:5597 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6740 kernel/sched/core.c:7239 __schedule_loop kernel/sched/core.c:7316 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7331 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7388 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0xcbf/0x1bc0 kernel/locking/mutex.c:821 tty_release_struct+0xad/0xe0 drivers/tty/tty_io.c:1691 tty_release+0xd7a/0x1300 drivers/tty/tty_io.c:1852 __fput+0x3ff/0xb50 fs/file_table.c:512 task_work_run+0x150/0x240 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4efc79e0d9 RSP: 002b:00007ffc2d93f598 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f4efca27da0 RCX: 00007f4efc79e0d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f4efca27da0 R08: 0000000000000006 R09: 0000000000000000 R10: 00007f4efca27cb0 R11: 0000000000000246 R12: 0000000000018c9a R13: 00007f4efca2627c R14: 0000000000018b3d R15: 00007f4efca26270 INFO: task syz.0.250:6503 blocked for more than 152 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.250 state:D stack:28120 pid:6503 tgid:6501 ppid:5593 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6740 kernel/sched/core.c:7239 __schedule_loop kernel/sched/core.c:7316 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7331 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7388 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0xcbf/0x1bc0 kernel/locking/mutex.c:821 rtnl_lock net/core/rtnetlink.c:80 [inline] rtnl_nets_lock net/core/rtnetlink.c:341 [inline] rtnl_newlink+0x8bb/0x2380 net/core/rtnetlink.c:4158 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7076 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2709 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2763 __sys_sendmsg+0x160/0x210 net/socket.c:2795 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4c2699e0d9 RSP: 002b:00007f4c2778d028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4c26c26090 RCX: 00007f4c2699e0d9 RDX: 00000000200040cc RSI: 0000200000000080 RDI: 0000000000000003 RBP: 00007f4c26a35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c26c26128 R14: 00007f4c26c26090 R15: 00007ffc6e3fa238 Showing all locks held in the system: locks held by kthreadd/2: 2, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1183 [inline] #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x2090 arch/x86/kernel/unwind_orc.c:495 locks held by kworker/0:0/9: 1, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by kworker/0:1/10: 3, on CPU#0: #0: ffff888058b7c540 ((wq_completion)wg-kex-wg2#6){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc900000f7d08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88807ac034b8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_begin_session+0x30/0xe40 drivers/net/wireguard/noise.c:822 locks held by kworker/u8:0/12: 6, last CPU#0: #0: ffff888037948140 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90000117d08 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888036a1c938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444 #3: ffff88807508af68 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x45a/0xd30 fs/ext4/inode.c:825 #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1183 [inline] #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x2090 arch/x86/kernel/unwind_orc.c:495 locks held by kworker/u8:1/13: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90000127d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888056fb07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff888056fb07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/R-mm_pe/14: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/1:0/24: 3, on CPU#1: #0: ffff88801c049d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc900001e7d08 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: crda_timeout_work+0x16/0x70 net/wireless/reg.c:529 locks held by kworker/1:1/29: 3, last CPU#1: #0: ffff888035f4d940 ((wq_completion)wg-kex-wg2#10){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90000a47d08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88807ac00330 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_begin_session+0x30/0xe40 drivers/net/wireguard/noise.c:822 locks held by khungtaskd/31: 1, last CPU#0: #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6793 locks held by kworker/u8:2/36: 4, last CPU#0: #0: ffff88802d829140 ((wq_completion)wg-kex-wg1#5){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90000ac7d08 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802d905440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88807c791700 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 locks held by kworker/u8:3/48: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90000b97d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888056c807a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff888056c807a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:4/76: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000204fd08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880560a07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880560a07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:5/82: 4, last CPU#0: #0: ffff888079d64140 ((wq_completion)wg-kex-wg1#9){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000246fd08 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880280f1440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff888037f94888 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 locks held by kworker/u8:6/155: 4, last CPU#0: #0: ffff88802c56e140 ((wq_completion)wg-kex-wg0){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90002ecfd08 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888033265440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88807ac07028 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 locks held by kworker/0:2/980: 3, last CPU#0: #0: ffff888079cbbd40 ((wq_completion)wg-kex-wg0#8){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004cbfd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88807c790d18 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_begin_session+0x30/0xe40 drivers/net/wireguard/noise.c:822 locks held by kworker/u8:7/1013: 5, last CPU#0: #0: ffff888021eb1940 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004de7d08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888036bf80e8 (&type->s_umount_key#57){++++}-{4:4}, at: super_trylock_shared+0x21/0xf0 fs/super.c:688 #3: ffff888036a1ec18 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 mm/page-writeback.c:2571 #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #4: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by kworker/R-ipv6_/3184: 3, on CPU#0: #0: ffff88803399a940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000d227c70 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4769 locks held by kworker/R-bat_e/3215: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/1:2/4869: 6, last CPU#1: #0: ffff888033cb6540 ((wq_completion)wg-kex-wg0#6){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90010287d08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802cd51440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x860 drivers/net/wireguard/noise.c:598 #3: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: local_lock_release include/linux/local_lock_internal.h:62 [inline] #3: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x437/0x1600 net/core/dev.c:6678 #4: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #4: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #4: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:242 [inline] #4: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: NF_HOOK include/linux/netfilter.h:316 [inline] #4: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: __br_forward+0x21f/0x970 net/bridge/br_forward.c:115 #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #5: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: nf_hook.constprop.0+0x98/0x750 include/linux/netfilter.h:242 locks held by kworker/R-ext4-/4927: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by klogd/4953: 1, last CPU#0: #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #0: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: sock_def_readable+0x90/0x600 net/core/sock.c:3655 locks held by udevd/4964: 2, last CPU#0: #0: ffffffff8f8eb538 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8f8eb538 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8f8eb538 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #0: ffffffff8f8eb538 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x169/0x3c0 security/tomoyo/file.c:772 #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by dhcpcd/5258: 1, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by dhcpcd/5259: 1, last CPU#0: #0: ffff88802bfe2460 (sk_lock-AF_UNIX){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1713 [inline] #0: ffff88802bfe2460 (sk_lock-AF_UNIX){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1153 [inline] #0: ffff88802bfe2460 (sk_lock-AF_UNIX){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1144 [inline] #0: ffff88802bfe2460 (sk_lock-AF_UNIX){+.+.}-{0:0}, at: sk_setsockopt+0x1b10/0x5d80 net/core/sock.c:1311 locks held by kworker/1:3/5330: 4, last CPU#1: #0: ffff888058d41140 ((wq_completion)wg-kex-wg1#2){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc900025c7d08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880320e1440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xc5/0x5f0 drivers/net/wireguard/noise.c:678 #3: ffff88807c797028 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xd8/0x5f0 drivers/net/wireguard/noise.c:679 locks held by crond/5334: 1, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by getty/5356: 2, on CPU#0: #0: ffff8880384670a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0 drivers/tty/n_tty.c:2211 locks held by syz-executor/5582: 1, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by syz-executor/5609: 1, last CPU#0: #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by kworker/R-wg-cr/5659: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5660: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5662: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5672: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5674: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5676: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5677: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5678: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5680: 1, last CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5682: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5683: 1, on CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/R-wg-cr/5684: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/1:4/5685: 2, last CPU#1: #0: ffff88801c049d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000448fd08 ((work_completion)(&(&tbl->gc_work)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 locks held by kworker/R-wg-cr/5686: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5687: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2795 [inline] #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xb7b/0x14a0 kernel/workqueue.c:3657 locks held by kworker/R-wg-cr/5688: 1, last CPU#0: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/0:3/5695: 3, last CPU#0: #0: ffff888058fa1540 ((wq_completion)wg-kex-wg2#8){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000452fd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880b843b6e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:675 [inline] #2: ffff8880b843b6e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x88/0x140 kernel/sched/core.c:659 locks held by kworker/1:5/5702: 1, on CPU#1: #0: ffffffff8ec905e0 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2737 locks held by kworker/0:4/5709: 2, last CPU#0: #0: ffff888035f4d940 ((wq_completion)wg-kex-wg2#10){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004a1fd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 locks held by kworker/1:6/5712: 4, last CPU#1: #0: ffff888058b7c540 ((wq_completion)wg-kex-wg2#6){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004a4fd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802d901440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xc5/0x5f0 drivers/net/wireguard/noise.c:678 #3: ffff88807ac034b8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xd8/0x5f0 drivers/net/wireguard/noise.c:679 locks held by kworker/0:5/5717: 3, last CPU#0: #0: ffff888058b72940 ((wq_completion)wg-kex-wg0#10){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004a9fd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802b6ad440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x860 drivers/net/wireguard/noise.c:598 locks held by kworker/0:6/5718: 3, last CPU#0: #0: ffff888079cbb940 ((wq_completion)wg-kex-wg2#2){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004aafd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88807c795c58 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_begin_session+0x30/0xe40 drivers/net/wireguard/noise.c:822 locks held by kworker/u8:8/5757: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004d2fd08 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88807c768258 (&devlink->lock_key#3){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x56/0xd20 drivers/net/netdevsim/dev.c:909 locks held by kworker/1:7/5788: 4, last CPU#1: #0: ffff888058fa1540 ((wq_completion)wg-kex-wg2#8){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004d8fd08 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802b6a9440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xc5/0x5f0 drivers/net/wireguard/noise.c:678 #3: ffff888037f95270 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_response+0xd8/0x5f0 drivers/net/wireguard/noise.c:679 locks held by kworker/0:7/5797: 2, last CPU#0: #0: ffff888033cb5940 ((wq_completion)wg-crypt-wg0#3){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004df7d08 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 locks held by kworker/1:8/5798: 3, on CPU#1: #0: ffff88801c049d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90004e07d08 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x8a/0x12e0 net/wireless/reg.c:2469 locks held by kworker/u8:9/6152: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90005bf7d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880573207a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880573207a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:10/6154: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc900066f7d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880565107a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880565107a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:11/6155: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc900068e7d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880568a07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880568a07a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:12/6156: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000ca2fd08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888055c007a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff888055c007a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:13/6158: 4, last CPU#0: #0: ffff888021f50140 ((wq_completion)wg-kex-wg0#7){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc90005c77d08 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff88802cc5d440 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88807c790330 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 locks held by kworker/u8:14/6159: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000ca5fd08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880561907a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880561907a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by kworker/u8:15/6160: 3, last CPU#0: #0: ffff88801c084140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000ca97d08 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff8880567107a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6883 [inline] #2: ffff8880567107a0 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x92/0x550 net/wireless/core.c:524 locks held by syz.3.241/6484: 1, on CPU#0: #0: ffffffff8fb8a760 (tty_mutex){+.+.}-{4:4}, at: tty_release_struct+0xad/0xe0 drivers/tty/tty_io.c:1691 locks held by syz.2.249/6494: 1, on CPU#1: #0: ffffffff8fb8a760 (tty_mutex){+.+.}-{4:4}, at: tty_release_struct+0xad/0xe0 drivers/tty/tty_io.c:1691 locks held by syz.2.249/6495: 4, last CPU#0: #0: ffffffff8fb8a760 (tty_mutex){+.+.}-{4:4}, at: tty_open_by_driver drivers/tty/tty_io.c:2037 [inline] #0: ffffffff8fb8a760 (tty_mutex){+.+.}-{4:4}, at: tty_open+0x539/0xfa0 drivers/tty/tty_io.c:2120 #1: ffff888036a9c1b0 (&tty->legacy_mutex){+.+.}-{4:4}, at: tty_init_dev.part.0+0x39/0x470 drivers/tty/tty_io.c:1406 #2: ffffffff8edd5840 (console_lock){+.+.}-{0:0}, at: class_console_lock_constructor include/linux/console.h:734 [inline] #2: ffffffff8edd5840 (console_lock){+.+.}-{0:0}, at: con_install+0x99/0x620 drivers/tty/vt/vt.c:3743 #3: ffffffff8edd58b8 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline] #3: ffffffff8edd58b8 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline] #3: ffffffff8edd58b8 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline] #3: ffffffff8edd58b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50 kernel/printk/printk.c:3246 locks held by syz.0.250/6502: 3, last CPU#0: #0: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x371/0xe90 net/core/rtnetlink.c:7082 #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #1: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 #2: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #2: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #2: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1183 [inline] #2: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x2090 arch/x86/kernel/unwind_orc.c:495 locks held by syz.0.250/6503: 2, on CPU#1: #0: ffffffff8fff98a8 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #0: ffffffff8fff98a8 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #0: ffffffff8fff98a8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x113/0x2c0 net/core/rtnetlink.c:574 #1: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff90ca1d40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8bb/0x2380 net/core/rtnetlink.c:4158 locks held by udevd/6515: 3, last CPU#0: #0: ffff88801d39a698 (kn->active#5){.+.+}-{0:0}, at: kernfs_fop_open+0x59/0xd50 fs/kernfs/file.c:612 #1: ffff888140450638 (&kernfs_locks->node_mutex[count]){+.+.}-{4:4}, at: kernfs_node_lock fs/kernfs/kernfs-internal.h:229 [inline] #1: ffff888140450638 (&kernfs_locks->node_mutex[count]){+.+.}-{4:4}, at: kernfs_open_file_mutex_lock fs/kernfs/file.c:51 [inline] #1: ffff888140450638 (&kernfs_locks->node_mutex[count]){+.+.}-{4:4}, at: kernfs_get_open_node fs/kernfs/file.c:531 [inline] #1: ffff888140450638 (&kernfs_locks->node_mutex[count]){+.+.}-{4:4}, at: kernfs_fop_open+0x6c9/0xd50 fs/kernfs/file.c:711 #2: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:187 [inline] #2: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:294 [inline] #2: ffffffff8efed4b8 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x8a/0x1f0 mm/kasan/quarantine.c:259 locks held by syz-executor/6516: 2, last CPU#0: #0: ffff88807d3e29f8 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:592 [inline] #0: ffff88807d3e29f8 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x124/0xa00 mm/mmap.c:1284 #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline] #1: ffffffff8ede9480 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x2f/0x310 mm/pgtable-generic.c:290 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x21f/0x2a0 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x141/0x190 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xcb1/0x1030 kernel/hung_task.c:561 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker RIP: 0010:check_preemption_disabled+0x21/0xe0 lib/smp_processor_id.c:54 Code: 90 90 90 90 90 90 90 90 90 41 54 55 53 48 83 ec 08 65 8b 15 89 57 c5 08 65 8b 2d 92 57 c5 08 85 d2 74 0f 48 83 c4 08 89 e8 5b <5d> 41 5c c3 cc cc cc cc 9c 58 f6 c4 02 74 ea 65 4c 8b 25 50 57 c5 RSP: 0018:ffffc90000a07eb0 EFLAGS: 00000082 RAX: 0000000000000001 RBX: ffffffff8ede9480 RCX: ffffc90000a07ed4 RDX: 0000000000000101 RSI: ffffffff8e38aca9 RDI: ffffffff8c603480 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000007 R10: 0000000000000200 R11: 0000000000089142 R12: ffff888021ec4b00 R13: ffffc90000a07f80 R14: 0000000000000202 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff888123cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b2d69df508 CR3: 000000000eb94000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline] lock_release kernel/locking/lockdep.c:5909 [inline] lock_release+0x170/0x310 kernel/locking/lockdep.c:5893 rcu_lock_release include/linux/rcupdate.h:310 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1183 [inline] unwind_next_frame+0x3c3/0x2090 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4584 [inline] slab_alloc_node mm/slub.c:4917 [inline] kmem_cache_alloc_noprof+0x26b/0x6a0 mm/slub.c:4931 skb_clone+0x190/0x400 net/core/skbuff.c:2116 deliver_clone net/bridge/br_forward.c:125 [inline] br_flood+0x34f/0x7b0 net/bridge/br_forward.c:257 br_handle_frame_finish+0x1014/0x1fa0 net/bridge/br_input.c:229 br_nf_hook_thresh+0x30d/0x420 net/bridge/br_netfilter_hooks.c:1165 br_nf_pre_routing_finish_ipv6+0x659/0xdd0 net/bridge/br_netfilter_ipv6.c:153 NF_HOOK include/linux/netfilter.h:318 [inline] br_nf_pre_routing_ipv6+0x39c/0x8b0 net/bridge/br_netfilter_ipv6.c:183 br_nf_pre_routing+0x90f/0x1560 net/bridge/br_netfilter_hooks.c:513 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_bridge_pre net/bridge/br_input.c:291 [inline] br_handle_frame+0xce9/0x1540 net/bridge/br_input.c:442 __netif_receive_skb_core.constprop.0+0x6c5/0x3530 net/core/dev.c:6103 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6214 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6329 process_backlog+0x487/0x1600 net/core/dev.c:6680 __napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7739 napi_poll net/core/dev.c:7802 [inline] net_rx_action+0xa40/0xf20 net/core/dev.c:7959 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 do_softirq kernel/softirq.c:546 [inline] do_softirq+0xaf/0xf0 kernel/softirq.c:533 __local_bh_enable_ip+0xff/0x120 kernel/softirq.c:473 local_bh_enable include/linux/bottom_half.h:33 [inline] fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline] kernel_fpu_end arch/x86/kernel/fpu/core.c:506 [inline] kernel_fpu_end+0x64/0x80 arch/x86/kernel/fpu/core.c:499 blake2s_compress+0x78/0xf0 lib/crypto/x86/blake2s.h:42 blake2s_update+0xef/0x320 lib/crypto/blake2s.c:119 hmac.constprop.0+0x33f/0x480 drivers/net/wireguard/noise.c:332 kdf.constprop.0+0x14d/0x280 drivers/net/wireguard/noise.c:367 message_ephemeral+0x5e/0x70 drivers/net/wireguard/noise.c:493 wg_noise_handshake_create_initiation+0x322/0x610 drivers/net/wireguard/noise.c:545 wg_packet_send_handshake_initiation+0x19c/0x360 drivers/net/wireguard/send.c:34 wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 22255 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:88:a8:3d:a7:2c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:88:a8:3d:a7:2c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:88:a8:3d:a7:2c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)