============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.3.400/7875 is trying to acquire lock: ffff88802f108fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] ffff88802f108fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: hsr_dev_xmit+0x237/0x360 net/hsr/hsr_device.c:235 but task is already holding lock: ffff88807c5a8fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] ffff88807c5a8fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: send_hsr_supervision_frame+0x380/0xcb0 net/hsr/hsr_device.c:330 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&hsr->seqnr_lock); lock(&hsr->seqnr_lock); *** DEADLOCK *** May be due to missing lock nesting notation 10 locks held by syz.3.400/7875: #0: ffff888077331a40 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline] #0: ffff888077331a40 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release net/socket.c:721 [inline] #0: ffff888077331a40 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x9b/0x240 net/socket.c:1514 #1: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #1: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #1: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: __page_table_check_zero+0x6a/0x3e0 mm/page_table_check.c:138 #2: ffffc90000007cc0 ((&hsr->announce_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745 #3: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #3: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #3: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: hsr_announce+0x89/0x370 net/hsr/hsr_device.c:419 #4: ffff88807c5a8fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] #4: ffff88807c5a8fb0 (&hsr->seqnr_lock){+.-.}-{3:3}, at: send_hsr_supervision_frame+0x380/0xcb0 net/hsr/hsr_device.c:330 #5: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #5: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #5: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: hsr_forward_skb+0xbb/0x2a80 net/hsr/hsr_forward.c:738 #6: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #6: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: rcu_read_lock_bh include/linux/rcupdate.h:891 [inline] #6: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x2b6/0x3950 net/core/dev.c:4791 #7: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #7: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #7: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: br_dev_xmit+0x193/0x1990 net/bridge/br_device.c:52 #8: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #8: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: rcu_read_lock_bh include/linux/rcupdate.h:891 [inline] #8: ffffffff8e95d080 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x2b6/0x3950 net/core/dev.c:4791 #9: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #9: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #9: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: hsr_dev_xmit+0x2d/0x360 net/hsr/hsr_device.c:229 stack backtrace: CPU: 0 UID: 0 PID: 7875 Comm: syz.3.400 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_deadlock_bug+0x279/0x290 kernel/locking/lockdep.c:3041 check_deadlock kernel/locking/lockdep.c:3093 [inline] validate_chain kernel/locking/lockdep.c:3895 [inline] __lock_acquire+0x253f/0x2cf0 kernel/locking/lockdep.c:5237 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 spin_lock_bh include/linux/spinlock.h:348 [inline] hsr_dev_xmit+0x237/0x360 net/hsr/hsr_device.c:235 __netdev_start_xmit include/linux/netdevice.h:5343 [inline] netdev_start_xmit include/linux/netdevice.h:5352 [inline] xmit_one net/core/dev.c:3888 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3904 __dev_queue_xmit+0x14d9/0x3950 net/core/dev.c:4870 dev_queue_xmit include/linux/netdevice.h:3401 [inline] br_dev_queue_push_xmit+0x370/0x4b0 net/bridge/br_forward.c:53 NF_HOOK+0x360/0x3f0 include/linux/netfilter.h:318 br_forward_finish+0xd3/0x130 net/bridge/br_forward.c:66 NF_HOOK+0x360/0x3f0 include/linux/netfilter.h:318 __br_forward+0x397/0x540 net/bridge/br_forward.c:115 deliver_clone net/bridge/br_forward.c:131 [inline] maybe_deliver net/bridge/br_forward.c:191 [inline] br_flood+0x6ee/0xb80 net/bridge/br_forward.c:238 br_dev_xmit+0x12bd/0x1990 net/bridge/br_device.c:108 __netdev_start_xmit include/linux/netdevice.h:5343 [inline] netdev_start_xmit include/linux/netdevice.h:5352 [inline] xmit_one net/core/dev.c:3888 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3904 __dev_queue_xmit+0x14d9/0x3950 net/core/dev.c:4870 dev_queue_xmit include/linux/netdevice.h:3401 [inline] hsr_xmit net/hsr/hsr_forward.c:440 [inline] hsr_forward_do net/hsr/hsr_forward.c:581 [inline] hsr_forward_skb+0x167e/0x2a80 net/hsr/hsr_forward.c:743 send_hsr_supervision_frame+0x731/0xcb0 net/hsr/hsr_device.c:364 hsr_announce+0x1db/0x370 net/hsr/hsr_device.c:421 call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386 run_timer_base kernel/time/timer.c:2395 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405 handle_softirqs+0x22a/0x840 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:preempt_schedule_irq+0x48/0xa0 kernel/sched/core.c:7507 Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 03 60 df f5 e8 ee eb 18 f6 fb bf 01 00 00 00 13 a3 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 b4 ed 18 f6 bf 01 RSP: 0000:ffffc900075b7a00 EFLAGS: 00000202 RAX: 0000000000008213 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000006 RSI: ffffffff8dfb65fa RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff903215b7 R09: 1ffffffff20642b6 R10: dffffc0000000000 R11: fffffbfff20642b7 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline] irqentry_exit+0x14f/0x730 kernel/entry/common.c:164 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x221/0x350 kernel/locking/lockdep.c:5872 Code: ff ff ff e8 b1 9d 11 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 8b 38 9c 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 98 f2 93 RSP: 0000:ffffc900075b7b28 EFLAGS: 00000286 RAX: 65d1d241e23e1000 RBX: 0000000000000000 RCX: 0000000000000046 RDX: 00000000d442bfab RSI: ffffffff8e22a119 RDI: ffffffff8c27f000 RBP: ffffffff823d5c9a R08: ffffffff823d5c9a R09: ffffffff8e95d020 R10: dffffc0000000000 R11: ffffed100a585a46 R12: 0000000000000002 R13: ffffffff8e95d020 R14: 0000000000000000 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:300 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] __page_table_check_zero+0x87/0x3e0 mm/page_table_check.c:138 page_table_check_free include/linux/page_table_check.h:46 [inline] __free_pages_prepare mm/page_alloc.c:1434 [inline] __free_frozen_pages+0xc3b/0xdb0 mm/page_alloc.c:2978 vfree+0x25a/0x400 mm/vmalloc.c:3479 xskq_destroy+0x40/0x60 net/xdp/xsk_queue.c:64 xsk_release+0x709/0x9c0 net/xdp/xsk.c:1326 __sock_release net/socket.c:722 [inline] sock_close+0xc3/0x240 net/socket.c:1514 __fput+0x44f/0xa60 fs/file_table.c:510 task_work_run+0x1d9/0x270 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:67 [inline] exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98 __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:238 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:328 [inline] do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd09df9c819 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 RSP: 002b:00007ffdd8766438 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fd09e217da0 RCX: 00007fd09df9c819 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fd09e217da0 R08: 00007fd09e216038 R09: 0000000000000000 R10: 00000000003ffbe8 R11: 0000000000000246 R12: 000000000002cd93 R13: 00007fd09e215fac R14: 000000000002cb5e R15: 00007ffdd8766540 ip6_tunnel: ip6gre1 xmit: Local address not yet configured! lec0: NETDEV WATCHDOG: CPU: 0: transmit queue 0 timed out 5010 ms lec:lec_tx_timeout: lec0 lec:lec_start_xmit: lec0:No lecd attached vcan0: j1939_tp_rxtimer: 0xffff88807bb95c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807bb94800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807bb96c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa2000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa3400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa3c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa2800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa3800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807baa0400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078590800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078591000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b6ad400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b6ad000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b6afc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b6acc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5eac00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5e8000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5ea000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5ebc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5e8400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b5edc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037ebf800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037ebf400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037ebf000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037ebe800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9c9800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9c8400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9c8800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9ca400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cb400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893f400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893f000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893ec00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893dc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893fc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805893e800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078596800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078594800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078597c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078597000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078597400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888078597800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e6b1000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e6b3000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e6b3800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e6b2800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802a871c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802a873800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802a871800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802a872000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe4000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe6400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe5400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe7c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802636b400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802636bc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974ec00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974d400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974d000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974dc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974f800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974f400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974c400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974e800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974e000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802974d800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805687dc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805687c000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cf400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cf000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cec00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9ce800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cdc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9ce400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9ccc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cd400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cfc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b9cf800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de2800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057efbc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ef9800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ef9400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ef9000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802f8cec00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802f8cf000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802f8ce000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802f8ce400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057a4cc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057e10000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057e13000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b73c000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b73c400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b73d800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033784c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033786c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888032bdf800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888032bde000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805788f000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805788c800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805788fc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888026993c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888026991000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888031cbdc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888031cbec00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888031cbe400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058b37000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058b35000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e108000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e10a000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e108800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e109c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e10a800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e10a400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807e10b000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057d57c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057d56400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057d56c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad1800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad2c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad2000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad3400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad1c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad3000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad0800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad3c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ad2800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805af16000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805af16800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88805af15800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888036b75400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888036b75800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888036b77800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888036b74000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037c3e400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037c3e800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037c3cc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037c3f000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888037c3d400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888021f67c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888021f67800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88803388f400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880582fc400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880582ff800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880582ffc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b95c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b96800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802b6d3c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802b6d0800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888025a41000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888025a41400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802c72c800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802c72d800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802c72c400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802c72d400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88802c72cc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806ba03c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806ba00c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806ba01000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806ba02400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806ba02800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a3d1400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a3d0000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ec8400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880334ddc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880269a5c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b93000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b91800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b92400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888030b91400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a239000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a23bc00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a238c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807a23b400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880338ae000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880362b2400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880362b0000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880362b1800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880362b3c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88803581f400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88803581f000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b285000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b287800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff8880362f8800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888077a08800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888077a0ac00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888077a0a400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe0800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe3400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807afe3000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058192800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058191c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058193000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058190800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058ce1400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058312800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058310400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058311000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058311400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88807b217000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca5400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca5000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca4c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca4800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca4400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888057ca4000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de7000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de7400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de7800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de7c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888033de4800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058294800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058295800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058297800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058294000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888058294400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff888077ae5400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b7e7c00: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b7e7800: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b7e7400: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b7e7000: Timeout. Failed to send simple message. vcan0: j1939_tp_rxtimer: 0xffff88806b7e6800: Timeout. Failed to send simple message. lec0: NETDEV WATCHDOG: CPU: 0: transmit queue 0 timed out 5010 ms lec:lec_tx_timeout: lec0 lec:lec_start_xmit: lec0:No lecd attached ---------------- Code disassembly (best guess): 0: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14 7: fc ff df a: eb 09 jmp 0x15 c: 48 f7 03 10 00 00 00 testq $0x10,(%rbx) 13: 74 53 je 0x68 15: bf 01 00 00 00 mov $0x1,%edi 1a: e8 03 60 df f5 call 0xf5df6022 1f: e8 ee eb 18 f6 call 0xf618ec12 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 13 a3 ff ff call 0xffffa342 <-- trapping instruction 2f: 9c pushf 30: 58 pop %rax 31: fa cli 32: a9 00 02 00 00 test $0x200,%eax 37: 74 05 je 0x3e 39: e8 b4 ed 18 f6 call 0xf618edf2 3e: bf .byte 0xbf 3f: 01 .byte 0x1