Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. 2021/04/26 08:08:01 fuzzer started 2021/04/26 08:08:01 dialing manager at 10.128.0.169:40357 2021/04/26 08:08:02 syscalls: 3560 2021/04/26 08:08:02 code coverage: enabled 2021/04/26 08:08:02 comparison tracing: enabled 2021/04/26 08:08:02 extra coverage: enabled 2021/04/26 08:08:02 setuid sandbox: enabled 2021/04/26 08:08:02 namespace sandbox: enabled 2021/04/26 08:08:02 Android sandbox: /sys/fs/selinux/policy does not exist 2021/04/26 08:08:02 fault injection: enabled 2021/04/26 08:08:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/04/26 08:08:02 net packet injection: enabled 2021/04/26 08:08:02 net device setup: enabled 2021/04/26 08:08:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/04/26 08:08:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/04/26 08:08:02 USB emulation: enabled 2021/04/26 08:08:02 hci packet injection: enabled 2021/04/26 08:08:02 wifi device emulation: enabled 2021/04/26 08:08:02 802.15.4 emulation: enabled 2021/04/26 08:08:02 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 72.312601][ C0] list_del corruption. prev->next should be ffff88801ce08008, but was ffff88800000404e [ 72.322821][ C0] ------------[ cut here ]------------ [ 72.328292][ C0] kernel BUG at lib/list_debug.c:51! [ 72.333574][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 72.339640][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.349250][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.359706][ C0] RIP: 0010:__list_del_entry_valid.cold+0xf/0x4a [ 72.366189][ C0] Code: e8 0d a6 f2 ff 0f 0b 48 89 f1 48 c7 c7 a0 ed c2 89 4c 89 e6 e8 f9 a5 f2 ff 0f 0b 48 89 ee 48 c7 c7 40 ef c2 89 e8 e8 a5 f2 ff <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 80 ee c2 89 e8 d4 a5 f2 ff 0f 0b [ 72.385884][ C0] RSP: 0018:ffffc90000d27af0 EFLAGS: 00010082 [ 72.392018][ C0] RAX: 0000000000000054 RBX: 0000000000000200 RCX: 0000000000000000 [ 72.399983][ C0] RDX: ffff8880123f0000 RSI: ffffffff815cebe5 RDI: fffff520001a4f50 [ 72.407952][ C0] RBP: ffff88801ce08008 R08: 0000000000000054 R09: 0000000000000000 [ 72.415919][ C0] R10: ffffffff815c8a2e R11: 0000000000000000 R12: ffff88801ce08008 [ 72.423883][ C0] R13: ffff88800000404e R14: ffff88801ce08024 R15: 0000000000000000 [ 72.431868][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.440794][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.447376][ C0] CR2: 000055d53cde6ac8 CR3: 000000001a4a7000 CR4: 00000000001506f0 [ 72.455639][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.463607][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.471667][ C0] Call Trace: [ 72.474947][ C0] napi_complete_done+0x644/0x880 [ 72.479976][ C0] virtnet_poll+0xbeb/0x1180 [ 72.484794][ C0] ? receive_buf+0x6250/0x6250 [ 72.489555][ C0] ? finish_task_switch.isra.0+0x15d/0x810 [ 72.495361][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 72.500329][ C0] __napi_poll+0xaf/0x440 [ 72.504745][ C0] net_rx_action+0x801/0xb40 [ 72.509333][ C0] ? napi_threaded_poll+0x5b0/0x5b0 [ 72.514530][ C0] ? sched_clock_cpu+0x18/0x1f0 [ 72.519516][ C0] __do_softirq+0x29b/0x9fe [ 72.524162][ C0] ? __irq_exit_rcu+0x200/0x200 [ 72.529007][ C0] run_ksoftirqd+0x2d/0x60 [ 72.533466][ C0] smpboot_thread_fn+0x655/0x9e0 [ 72.538397][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 72.544628][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.551612][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 72.556726][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 72.563089][ C0] kthread+0x3b1/0x4a0 [ 72.567202][ C0] ? __kthread_bind_mask+0xc0/0xc0 [ 72.573292][ C0] ret_from_fork+0x1f/0x30 [ 72.578088][ C0] Modules linked in: [ 72.582097][ C0] ---[ end trace 8785a49e6d9dca5d ]--- [ 72.587845][ C0] RIP: 0010:__list_del_entry_valid.cold+0xf/0x4a [ 72.594189][ C0] Code: e8 0d a6 f2 ff 0f 0b 48 89 f1 48 c7 c7 a0 ed c2 89 4c 89 e6 e8 f9 a5 f2 ff 0f 0b 48 89 ee 48 c7 c7 40 ef c2 89 e8 e8 a5 f2 ff <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 80 ee c2 89 e8 d4 a5 f2 ff 0f 0b [ 72.615092][ C0] RSP: 0018:ffffc90000d27af0 EFLAGS: 00010082 [ 72.621248][ C0] RAX: 0000000000000054 RBX: 0000000000000200 RCX: 0000000000000000 [ 72.630436][ C0] RDX: ffff8880123f0000 RSI: ffffffff815cebe5 RDI: fffff520001a4f50 [ 72.638421][ C0] RBP: ffff88801ce08008 R08: 0000000000000054 R09: 0000000000000000 [ 72.647154][ C0] R10: ffffffff815c8a2e R11: 0000000000000000 R12: ffff88801ce08008 [ 72.655442][ C0] R13: ffff88800000404e R14: ffff88801ce08024 R15: 0000000000000000 [ 72.663431][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.672500][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.679088][ C0] CR2: 000055d53cde6ac8 CR3: 000000001a4a7000 CR4: 00000000001506f0 [ 72.687065][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.695044][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.703683][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 72.712434][ C0] Kernel Offset: disabled [ 72.717268][ C0] Rebooting in 86400 seconds..