[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. 2021/03/25 18:25:09 fuzzer started 2021/03/25 18:25:10 dialing manager at 10.128.0.169:34163 syzkaller login: [ 70.889148][ C1] ------------[ cut here ]------------ [ 70.895206][ C1] raw_local_irq_restore() called with IRQs enabled [ 70.902501][ C1] WARNING: CPU: 1 PID: 8408 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 70.913563][ C1] Modules linked in: [ 70.917495][ C1] CPU: 1 PID: 8408 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 70.926329][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.936648][ C1] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 70.942788][ C1] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 42 07 ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 31 07 ad 04 01 e8 6c d1 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 70.962532][ C1] RSP: 0000:ffffc9000163f3a8 EFLAGS: 00010286 [ 70.968649][ C1] RAX: 0000000000000000 RBX: ffff888014740088 RCX: 0000000000000000 [ 70.976753][ C1] RDX: ffff888012179c40 RSI: ffffffff815c3f65 RDI: fffff520002c7e67 [ 70.984871][ C1] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 70.993007][ C1] R10: ffffffff815bccfe R11: 0000000000000000 R12: 0000000000000003 [ 71.001133][ C1] R13: ffffed10028e8011 R14: 0000000000000001 R15: ffff8880b9d35f40 [ 71.009147][ C1] FS: 000000c0000b8490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.018977][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.025661][ C1] CR2: 00007f96248e8040 CR3: 0000000025e8a000 CR4: 00000000001506e0 [ 71.033797][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.042008][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.050183][ C1] Call Trace: [ 71.053494][ C1] kvm_wait+0xc9/0xe0 [ 71.057480][ C1] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 71.063779][ C1] ? pv_hash+0x100/0x100 [ 71.068313][ C1] ? lock_release+0x720/0x720 [ 71.073220][ C1] do_raw_spin_lock+0x200/0x2b0 [ 71.078125][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 71.083180][ C1] tcp_v4_rcv+0x2abc/0x3780 [ 71.087734][ C1] ? tcp_v4_early_demux+0x8f0/0x8f0 [ 71.093163][ C1] ? lock_release+0x720/0x720 [ 71.101412][ C1] ip_protocol_deliver_rcu+0x5c/0x8a0 [ 71.107197][ C1] ip_local_deliver_finish+0x20a/0x370 [ 71.112808][ C1] ip_local_deliver+0x1b3/0x200 [ 71.117731][ C1] ip_sublist_rcv_finish+0x9a/0x2c0 [ 71.123787][ C1] ip_list_rcv_finish.constprop.0+0x514/0x6e0 [ 71.130008][ C1] ? ip_rcv_finish_core.constprop.0+0x1e80/0x1e80 [ 71.136572][ C1] ? ip_list_rcv_finish.constprop.0+0x6e0/0x6e0 [ 71.143008][ C1] ? ip_rcv_core+0x867/0xcb0 [ 71.148170][ C1] ip_list_rcv+0x34e/0x490 [ 71.152747][ C1] ? ip_rcv+0xd0/0xd0 [ 71.156793][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.162967][ C1] ? find_held_lock+0x2d/0x110 [ 71.167767][ C1] ? ip_rcv+0xd0/0xd0 [ 71.171880][ C1] __netif_receive_skb_list_core+0x549/0x8e0 [ 71.177910][ C1] ? process_backlog+0x6c0/0x6c0 [ 71.183329][ C1] ? ktime_get_with_offset+0x3f2/0x500 [ 71.188846][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 71.194164][ C1] netif_receive_skb_list_internal+0x777/0xd70 [ 71.200546][ C1] ? __netif_receive_skb_list_core+0x8e0/0x8e0 [ 71.206971][ C1] ? page_to_skb+0xa40/0xa40 [ 71.211698][ C1] ? detach_buf_split+0x599/0x7b0 [ 71.216815][ C1] napi_complete_done+0x1f1/0x880 [ 71.221962][ C1] virtqueue_napi_complete+0x2c/0xc0 [ 71.227731][ C1] virtnet_poll+0xae2/0xd90 [ 71.232333][ C1] ? receive_buf+0x5e60/0x5e60 [ 71.237592][ C1] ? lock_release+0x720/0x720 [ 71.242481][ C1] __napi_poll+0xaf/0x440 [ 71.246861][ C1] net_rx_action+0x801/0xb40 [ 71.251552][ C1] ? napi_threaded_poll+0x5c0/0x5c0 [ 71.256794][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 71.261774][ C1] __do_softirq+0x29b/0x9f6 [ 71.266333][ C1] irq_exit_rcu+0x134/0x200 [ 71.271065][ C1] common_interrupt+0x51/0xd0 [ 71.275793][ C1] ? asm_common_interrupt+0x8/0x40 [ 71.281290][ C1] asm_common_interrupt+0x1e/0x40 [ 71.286439][ C1] RIP: 0033:0x420a65 [ 71.290424][ C1] Code: c6 08 0f 1f 00 48 83 ff 08 0f 8d f9 00 00 00 48 39 f1 0f 86 f0 00 00 00 0f ba e3 00 73 db 4c 8d 04 16 4d 8b 00 4d 85 c0 74 cf <48> 89 7c 24 40 4c 89 44 24 38 48 89 74 24 48 89 5c 24 34 4c 89 04 [ 71.310410][ C1] RSP: 002b:000000c0000c9e18 EFLAGS: 00000202 [ 71.316597][ C1] RAX: 00007f9624bfb000 RBX: 0000000000000011 RCX: 0000000000040000 [ 71.324838][ C1] RDX: 00000000012847c0 RSI: 000000000003d698 RDI: 0000000000000003 [ 71.332964][ C1] RBP: 000000c0000c9e68 R08: 0000000001025120 R09: 0000000000000002 [ 71.341058][ C1] R10: 000000000185fd28 R11: 0000000000000051 R12: 0000000000000003 [ 71.349302][ C1] R13: 000000c000082780 R14: 000080c000400000 R15: 0000000000000000 [ 71.357408][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 71.364020][ C1] CPU: 1 PID: 8408 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 [ 71.372350][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.382416][ C1] Call Trace: [ 71.385698][ C1] dump_stack+0x141/0x1d7 [ 71.390028][ C1] panic+0x306/0x73d [ 71.393920][ C1] ? __warn_printk+0xf3/0xf3 [ 71.398583][ C1] ? __warn.cold+0x1a/0x44 [ 71.403019][ C1] ? warn_bogus_irq_restore+0x1d/0x20 [ 71.408405][ C1] __warn.cold+0x35/0x44 [ 71.412654][ C1] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.418003][ C1] ? warn_bogus_irq_restore+0x1d/0x20 [ 71.423403][ C1] report_bug+0x1bd/0x210 [ 71.427782][ C1] handle_bug+0x3c/0x60 [ 71.432034][ C1] exc_invalid_op+0x14/0x40 [ 71.436557][ C1] asm_exc_invalid_op+0x12/0x20 [ 71.441511][ C1] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 71.447491][ C1] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 42 07 ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 31 07 ad 04 01 e8 6c d1 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 71.467114][ C1] RSP: 0000:ffffc9000163f3a8 EFLAGS: 00010286 [ 71.473201][ C1] RAX: 0000000000000000 RBX: ffff888014740088 RCX: 0000000000000000 [ 71.481172][ C1] RDX: ffff888012179c40 RSI: ffffffff815c3f65 RDI: fffff520002c7e67 [ 71.489162][ C1] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 71.497604][ C1] R10: ffffffff815bccfe R11: 0000000000000000 R12: 0000000000000003 [ 71.505697][ C1] R13: ffffed10028e8011 R14: 0000000000000001 R15: ffff8880b9d35f40 [ 71.513754][ C1] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.519037][ C1] ? vprintk_func+0x95/0x1e0 [ 71.523678][ C1] ? warn_bogus_irq_restore+0x1d/0x20 [ 71.529090][ C1] kvm_wait+0xc9/0xe0 [ 71.533134][ C1] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 71.539249][ C1] ? pv_hash+0x100/0x100 [ 71.544056][ C1] ? lock_release+0x720/0x720 [ 71.548772][ C1] do_raw_spin_lock+0x200/0x2b0 [ 71.553671][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 71.558674][ C1] tcp_v4_rcv+0x2abc/0x3780 [ 71.563247][ C1] ? tcp_v4_early_demux+0x8f0/0x8f0 [ 71.568492][ C1] ? lock_release+0x720/0x720 [ 71.573218][ C1] ip_protocol_deliver_rcu+0x5c/0x8a0 [ 71.578669][ C1] ip_local_deliver_finish+0x20a/0x370 [ 71.584193][ C1] ip_local_deliver+0x1b3/0x200 [ 71.589093][ C1] ip_sublist_rcv_finish+0x9a/0x2c0 [ 71.594532][ C1] ip_list_rcv_finish.constprop.0+0x514/0x6e0 [ 71.600662][ C1] ? ip_rcv_finish_core.constprop.0+0x1e80/0x1e80 [ 71.607117][ C1] ? ip_list_rcv_finish.constprop.0+0x6e0/0x6e0 [ 71.613491][ C1] ? ip_rcv_core+0x867/0xcb0 [ 71.618669][ C1] ip_list_rcv+0x34e/0x490 [ 71.623149][ C1] ? ip_rcv+0xd0/0xd0 [ 71.627164][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.633174][ C1] ? find_held_lock+0x2d/0x110 [ 71.638072][ C1] ? ip_rcv+0xd0/0xd0 [ 71.642081][ C1] __netif_receive_skb_list_core+0x549/0x8e0 [ 71.648364][ C1] ? process_backlog+0x6c0/0x6c0 [ 71.653363][ C1] ? ktime_get_with_offset+0x3f2/0x500 [ 71.658866][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 71.664132][ C1] netif_receive_skb_list_internal+0x777/0xd70 [ 71.670428][ C1] ? __netif_receive_skb_list_core+0x8e0/0x8e0 [ 71.676644][ C1] ? page_to_skb+0xa40/0xa40 [ 71.681275][ C1] ? detach_buf_split+0x599/0x7b0 [ 71.686519][ C1] napi_complete_done+0x1f1/0x880 [ 71.691584][ C1] virtqueue_napi_complete+0x2c/0xc0 [ 71.696910][ C1] virtnet_poll+0xae2/0xd90 [ 71.701556][ C1] ? receive_buf+0x5e60/0x5e60 [ 71.706392][ C1] ? lock_release+0x720/0x720 [ 71.711102][ C1] __napi_poll+0xaf/0x440 [ 71.715461][ C1] net_rx_action+0x801/0xb40 [ 71.720089][ C1] ? napi_threaded_poll+0x5c0/0x5c0 [ 71.725345][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 71.730266][ C1] __do_softirq+0x29b/0x9f6 [ 71.734833][ C1] irq_exit_rcu+0x134/0x200 [ 71.739557][ C1] common_interrupt+0x51/0xd0 [ 71.744279][ C1] ? asm_common_interrupt+0x8/0x40 [ 71.749562][ C1] asm_common_interrupt+0x1e/0x40 [ 71.754636][ C1] RIP: 0033:0x420a65 [ 71.758556][ C1] Code: c6 08 0f 1f 00 48 83 ff 08 0f 8d f9 00 00 00 48 39 f1 0f 86 f0 00 00 00 0f ba e3 00 73 db 4c 8d 04 16 4d 8b 00 4d 85 c0 74 cf <48> 89 7c 24 40 4c 89 44 24 38 48 89 74 24 48 89 5c 24 34 4c 89 04 [ 71.778553][ C1] RSP: 002b:000000c0000c9e18 EFLAGS: 00000202 [ 71.784782][ C1] RAX: 00007f9624bfb000 RBX: 0000000000000011 RCX: 0000000000040000 [ 71.792783][ C1] RDX: 00000000012847c0 RSI: 000000000003d698 RDI: 0000000000000003 [ 71.800893][ C1] RBP: 000000c0000c9e68 R08: 0000000001025120 R09: 0000000000000002 [ 71.808958][ C1] R10: 000000000185fd28 R11: 0000000000000051 R12: 0000000000000003 [ 71.817067][ C1] R13: 000000c000082780 R14: 000080c000400000 R15: 0000000000000000 [ 71.825897][ C1] Kernel Offset: disabled [ 71.830506][ C1] Rebooting in 86400 seconds..