[ 41.507930][ T26] audit: type=1800 audit(1555108011.363:32): pid=7917 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 53.488638][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 53.488653][ T26] audit: type=1400 audit(1555108023.483:35): avc: denied { map } for pid=8091 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. executing program [ 72.401679][ T26] audit: type=1400 audit(1555108042.403:36): avc: denied { map } for pid=8103 comm="syz-executor019" path="/root/syz-executor019925316" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 72.460223][ T8103] WARNING: CPU: 1 PID: 8103 at kernel/kthread.c:398 __kthread_bind_mask+0x3b/0xc0 [ 72.469421][ T8103] Kernel panic - not syncing: panic_on_warn set ... [ 72.475991][ T8103] CPU: 1 PID: 8103 Comm: syz-executor019 Not tainted 5.1.0-rc4+ #65 [ 72.483943][ T8103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.493980][ T8103] Call Trace: [ 72.497252][ T8103] dump_stack+0x172/0x1f0 [ 72.501588][ T8103] ? __kthread_cancel_work+0x280/0x2e0 [ 72.507035][ T8103] panic+0x2cb/0x65c [ 72.510914][ T8103] ? __warn_printk+0xf3/0xf3 [ 72.515480][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.520620][ T8103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.526861][ T8103] ? __warn.cold+0x5/0x45 [ 72.531174][ T8103] ? __warn+0xe8/0x1d0 [ 72.535272][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.540368][ T8103] __warn.cold+0x20/0x45 [ 72.544589][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.549726][ T8103] report_bug+0x263/0x2b0 [ 72.554050][ T8103] do_error_trap+0x11b/0x200 [ 72.558620][ T8103] do_invalid_op+0x37/0x50 [ 72.563008][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.568109][ T8103] invalid_op+0x14/0x20 [ 72.572251][ T8103] RIP: 0010:__kthread_bind_mask+0x3b/0xc0 [ 72.577950][ T8103] Code: 48 89 fb e8 27 88 24 00 4c 89 e6 48 89 df e8 dc e7 02 00 31 ff 49 89 c4 48 89 c6 e8 af 89 24 00 4d 85 e4 75 15 e8 05 88 24 00 <0f> 0b e8 fe 87 24 00 5b 41 5c 41 5d 41 5e 5d c3 e8 f0 87 24 00 4c [ 72.597546][ T8103] RSP: 0018:ffff88808f827bb8 EFLAGS: 00010293 [ 72.603591][ T8103] RAX: ffff8880930dc180 RBX: ffff888093a5a6c0 RCX: ffffffff814c06f1 [ 72.611546][ T8103] RDX: 0000000000000000 RSI: ffffffff814c06fb RDI: 0000000000000007 [ 72.619502][ T8103] RBP: ffff88808f827bd8 R08: ffff8880930dc180 R09: 0000000000000000 [ 72.627502][ T8103] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.635481][ T8103] R13: ffffffff87691088 R14: ffff888093a5a6e0 R15: ffffffff81c801d0 [ 72.643453][ T8103] ? io_ring_ctx_wait_and_kill+0x510/0x510 [ 72.649242][ T8103] ? __kthread_bind_mask+0x31/0xc0 [ 72.654326][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.659439][ T8103] ? __kthread_bind_mask+0x3b/0xc0 [ 72.664533][ T8103] kthread_unpark+0x123/0x160 [ 72.669196][ T8103] kthread_stop+0xfa/0x6c0 [ 72.673594][ T8103] io_finish_async+0xab/0x180 [ 72.678261][ T8103] io_ring_ctx_wait_and_kill+0x133/0x510 [ 72.683881][ T8103] io_uring_release+0x42/0x50 [ 72.688541][ T8103] __fput+0x2e5/0x8d0 [ 72.692512][ T8103] ____fput+0x16/0x20 [ 72.696478][ T8103] task_work_run+0x14a/0x1c0 [ 72.701062][ T8103] do_exit+0x90a/0x2fa0 [ 72.705256][ T8103] ? mm_update_next_owner+0x640/0x640 [ 72.710615][ T8103] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.716056][ T8103] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.723708][ T8103] do_group_exit+0x135/0x370 [ 72.728287][ T8103] __x64_sys_exit_group+0x44/0x50 [ 72.733304][ T8103] do_syscall_64+0x103/0x610 [ 72.737877][ T8103] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.743749][ T8103] RIP: 0033:0x43ee98 [ 72.747657][ T8103] Code: Bad RIP value. [ 72.751750][ T8103] RSP: 002b:00007fff5fe5dc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.760149][ T8103] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee98 [ 72.768201][ T8103] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 72.776156][ T8103] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 72.784109][ T8103] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 72.792066][ T8103] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 72.800879][ T8103] Kernel Offset: disabled [ 72.805256][ T8103] Rebooting in 86400 seconds..