INFO: task syz.6.736:8974 blocked for more than 143 seconds. Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.736 state:D stack:27968 pid:8974 tgid:8961 ppid:8138 task_flags:0x400140 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0xf43/0x5890 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 ptmx_open drivers/tty/pty.c:823 [inline] ptmx_open+0xff/0x360 drivers/tty/pty.c:790 chrdev_open+0x237/0x6a0 fs/char_dev.c:414 do_dentry_open+0x735/0x1c40 fs/open.c:956 vfs_open+0x82/0x3f0 fs/open.c:1086 do_open fs/namei.c:3830 [inline] path_openat+0x1e88/0x2d80 fs/namei.c:3989 do_filp_open+0x20c/0x470 fs/namei.c:4016 do_sys_openat2+0x17a/0x1e0 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1454 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f727758cde9 RSP: 002b:00007f7278478038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f72777a6160 RCX: 00007f727758cde9 RDX: 0000000000000000 RSI: 0000400000000040 RDI: ffffffffffffff9c RBP: 00007f727760e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f72777a6160 R15: 00007ffd644d0338 INFO: task syz.5.744:8996 blocked for more than 143 seconds. Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.744 state:D stack:27760 pid:8996 tgid:8993 ppid:7777 task_flags:0x400040 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0xf43/0x5890 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 ptmx_open drivers/tty/pty.c:823 [inline] ptmx_open+0xff/0x360 drivers/tty/pty.c:790 chrdev_open+0x237/0x6a0 fs/char_dev.c:414 do_dentry_open+0x735/0x1c40 fs/open.c:956 vfs_open+0x82/0x3f0 fs/open.c:1086 do_open fs/namei.c:3830 [inline] path_openat+0x1e88/0x2d80 fs/namei.c:3989 do_filp_open+0x20c/0x470 fs/namei.c:4016 do_sys_openat2+0x17a/0x1e0 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1454 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4de1b8cde9 RSP: 002b:00007f4de2a2c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f4de1da6080 RCX: 00007f4de1b8cde9 RDX: 0000000000000000 RSI: 0000400000000040 RDI: ffffffffffffff9c RBP: 00007f4de1c0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4de1da6080 R15: 00007fff64ab1558 Showing all locks held in the system: 2 locks held by kthreadd/2: 2 locks held by kworker/0:0/8: 3 locks held by kworker/u8:0/11: 1 lock held by kworker/R-mm_pe/13: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 5 locks held by kworker/1:0/25: 1 lock held by khungtaskd/30: #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6746 2 locks held by kworker/1:1/57: 3 locks held by kworker/u8:4/65: 4 locks held by kworker/0:2/932: 1 lock held by aoe_tx0/1290: 1 lock held by kworker/R-dm_bu/2807: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 2 locks held by kworker/u8:6/3110: 1 lock held by kworker/R-krxrp/3377: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 4 locks held by syslogd/5176: 2 locks held by udevd/5194: 2 locks held by getty/5576: #0: ffff88814dd520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 2 locks held by syz-executor/5806: 4 locks held by udevd/5809: 1 lock held by udevd/5810: 4 locks held by kworker/u9:2/5818: #0: ffff888059f7b148 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211 #1: ffffc9000413fd18 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212 #2: ffff88802494cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff88802494c078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x14e/0xfe0 net/bluetooth/hci_sync.c:5569 5 locks held by kworker/u9:5/5830: #0: ffff8880359c9948 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211 #1: ffffc9000427fd18 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212 #2: ffff888061d4cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff888061d4c078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x14e/0xfe0 net/bluetooth/hci_sync.c:5569 #4: ffffffff8e1c80f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:334 3 locks held by udevd/5835: 1 lock held by kworker/R-wg-cr/5838: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/5839: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 1 lock held by kworker/R-wg-cr/5841: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/5844: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 1 lock held by kworker/R-wg-cr/5853: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/5855: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 1 lock held by kworker/R-wg-cr/5856: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/5857: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 1 lock held by kworker/R-wg-cr/5859: 1 lock held by kworker/R-wg-cr/5860: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 4 locks held by kworker/1:3/5862: 5 locks held by kworker/0:4/5863: 2 locks held by kworker/0:5/5864: 2 locks held by kworker/0:6/5865: 2 locks held by kworker/1:4/5866: 2 locks held by kworker/1:5/5899: 1 lock held by kworker/1:6/5900: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2676 3 locks held by udevd/5951: 4 locks held by kworker/u8:11/7722: 3 locks held by kworker/u8:12/7726: 3 locks held by kworker/u8:13/7728: 3 locks held by kworker/u8:14/7730: 3 locks held by kworker/u8:15/7733: 3 locks held by kworker/u8:16/7735: 3 locks held by kworker/u8:17/7737: 4 locks held by kworker/u8:19/7743: #0: ffff88801b081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211 #1: ffffc90004da7d18 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212 #2: ffff888067f30768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #2: ffff888067f30768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x9d/0x570 net/wireless/core.c:421 #3: ffffffff8e1c80f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:334 3 locks held by kworker/u8:20/7745: 3 locks held by kworker/u8:21/7747: 3 locks held by kworker/u8:22/7749: 3 locks held by kworker/u8:23/7751: 3 locks held by kworker/u8:24/7753: 3 locks held by kworker/u8:25/7756: 3 locks held by kworker/u8:27/7760: 3 locks held by kworker/u8:28/7762: 3 locks held by kworker/u8:29/7765: 3 locks held by kworker/u8:33/7775: #0: ffff88801b081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211 #1: ffffc9000404fd18 ((work_completion)(&pool->idle_cull_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212 #2: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: idle_cull_fn+0x9a/0x450 kernel/workqueue.c:2958 1 lock held by kworker/R-wg-cr/7810: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/7813: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/7814: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by udevd/8118: 1 lock held by kworker/R-wg-cr/8180: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 1 lock held by kworker/R-wg-cr/8182: #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline] #0: ffffffff8e076188 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x856/0xe20 kernel/workqueue.c:3533 2 locks held by kworker/1:2/8761: 3 locks held by syz.4.722/8911: 1 lock held by syz.6.736/8974: #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: ptmx_open drivers/tty/pty.c:823 [inline] #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: ptmx_open+0xff/0x360 drivers/tty/pty.c:790 2 locks held by syz-executor/8988: 1 lock held by syz.5.744/8996: #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: ptmx_open drivers/tty/pty.c:823 [inline] #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: ptmx_open+0xff/0x360 drivers/tty/pty.c:790 2 locks held by syz.1.748/9015: #0: ffff88802ce50d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close+0x26/0x90 net/bluetooth/hci_core.c:480 #1: ffff88802ce50078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x3ab/0x11a0 net/bluetooth/hci_sync.c:5185 4 locks held by dhcpcd-run-hook/9019: 1 lock held by syz.0.751/9028: #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: tty_open_by_driver drivers/tty/tty_io.c:2046 [inline] #0: ffffffff8ee87108 (tty_mutex){+.+.}-{4:4}, at: tty_open+0x53d/0xf80 drivers/tty/tty_io.c:2129 2 locks held by syz-executor/9031: 3 locks held by syz-executor/9036: 3 locks held by syz-executor/9040: 3 locks held by kworker/0:1/9041: ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline] watchdog+0xf62/0x12b0 kernel/hung_task.c:399 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1290 Comm: aoe_tx0 Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:unwind_next_frame+0xb92/0x20c0 arch/x86/kernel/unwind_orc.c:641 Code: c8 49 c7 45 58 00 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 34 10 49 8d 41 01 48 89 c7 48 c1 ef 03 0f b6 14 17 <4c> 89 cf 83 e7 07 40 38 fe 40 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 RSP: 0018:ffffc90000a17a68 EFLAGS: 00000a06 RAX: ffffffff90f453a3 RBX: 0000000000000002 RCX: ffffffff90f4539e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 1ffffffff21e8a74 RBP: ffffc90000a17b70 R08: ffffc90000a17b5c R09: ffffffff90f453a2 R10: ffffc90000a17b28 R11: 0000000000006064 R12: ffffc90000a17b78 R13: ffffc90000a17b28 R14: ffffc90000a17bc8 R15: ffffc90000a17bc0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f56200218 CR3: 000000000df80000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4609 [inline] kmem_cache_free+0x2e2/0x4d0 mm/slub.c:4711 __skb_ext_put+0x102/0x2c0 net/core/skbuff.c:7101 skb_ext_put include/linux/skbuff.h:4876 [inline] skb_ext_put include/linux/skbuff.h:4873 [inline] skb_release_head_state+0x1c2/0x290 net/core/skbuff.c:1182 skb_release_all net/core/skbuff.c:1188 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0xeb/0x1a0 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1271 [inline] kfree_skb include/linux/skbuff.h:1280 [inline] ip6_mc_input+0x7af/0xfd0 net/ipv6/ip6_input.c:587 dst_input include/net/dst.h:469 [inline] dst_input include/net/dst.h:467 [inline] ip6_rcv_finish+0x3a2/0x5b0 net/ipv6/ip6_input.c:79 ip_sabotage_in+0x21b/0x290 net/bridge/br_netfilter_hooks.c:993 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626 nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269 NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5828 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5941 netif_receive_skb_internal net/core/dev.c:6027 [inline] netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6086 NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] br_pass_frame_up+0x346/0x490 net/bridge/br_input.c:70 br_handle_frame_finish+0xecc/0x1c90 net/bridge/br_input.c:226 br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1170 br_nf_pre_routing_finish_ipv6+0x76a/0xfb0 net/bridge/br_netfilter_ipv6.c:154 NF_HOOK include/linux/netfilter.h:314 [inline] br_nf_pre_routing_ipv6+0x3ce/0x8c0 net/bridge/br_netfilter_ipv6.c:184 br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:508 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_bridge_pre net/bridge/br_input.c:282 [inline] br_handle_frame+0xad7/0x14a0 net/bridge/br_input.c:433 __netif_receive_skb_core.constprop.0+0xa20/0x4330 net/core/dev.c:5722 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5826 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5941 process_backlog+0x443/0x15f0 net/core/dev.c:6289 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0xa94/0x1010 net/core/dev.c:7297 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 do_softirq kernel/softirq.c:462 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:449 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:389 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline] __dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4611 dev_queue_xmit include/linux/netdevice.h:3305 [inline] tx+0xcc/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1e7/0x3c0 drivers/block/aoe/aoecmd.c:1237 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 net_ratelimit: 33660 callbacks suppressed 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:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:6f:5f:ef:eb:16, 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 bridge_slave_0 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 bridge_slave_0 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)