[ 46.555551][ T26] audit: type=1800 audit(1555106953.895:30): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 59.248760][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 59.248776][ T26] audit: type=1400 audit(1555106966.605:35): avc: denied { map } for pid=8210 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 '10.128.10.40' (ECDSA) to the list of known hosts. executing program [ 65.637278][ T26] audit: type=1400 audit(1555106972.995:36): avc: denied { map } for pid=8222 comm="syz-executor467" path="/root/syz-executor467792346" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 65.722360][ T8222] WARNING: CPU: 1 PID: 8222 at kernel/kthread.c:398 __kthread_bind_mask+0x3b/0xc0 [ 65.731851][ T8222] Kernel panic - not syncing: panic_on_warn set ... [ 65.738445][ T8222] CPU: 1 PID: 8222 Comm: syz-executor467 Not tainted 5.1.0-rc4+ #65 [ 65.746413][ T8222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.756456][ T8222] Call Trace: [ 65.759744][ T8222] dump_stack+0x172/0x1f0 [ 65.764061][ T8222] ? __kthread_cancel_work+0x280/0x2e0 [ 65.769504][ T8222] panic+0x2cb/0x65c [ 65.773392][ T8222] ? __warn_printk+0xf3/0xf3 [ 65.777976][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.783066][ T8222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.789291][ T8222] ? __warn.cold+0x5/0x45 [ 65.793604][ T8222] ? __warn+0xe8/0x1d0 [ 65.797658][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.802818][ T8222] __warn.cold+0x20/0x45 [ 65.807052][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.812152][ T8222] report_bug+0x263/0x2b0 [ 65.818225][ T8222] do_error_trap+0x11b/0x200 [ 65.822817][ T8222] do_invalid_op+0x37/0x50 [ 65.827217][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.832402][ T8222] invalid_op+0x14/0x20 [ 65.836539][ T8222] RIP: 0010:__kthread_bind_mask+0x3b/0xc0 [ 65.842292][ T8222] 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 [ 65.861982][ T8222] RSP: 0018:ffff88808fd1fbb8 EFLAGS: 00010293 [ 65.868040][ T8222] RAX: ffff888094b20480 RBX: ffff88808f046380 RCX: ffffffff814c06f1 [ 65.876009][ T8222] RDX: 0000000000000000 RSI: ffffffff814c06fb RDI: 0000000000000007 [ 65.884084][ T8222] RBP: ffff88808fd1fbd8 R08: ffff888094b20480 R09: 0000000000000000 [ 65.892050][ T8222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 65.902049][ T8222] R13: ffffffff87691090 R14: ffff88808f0463a0 R15: ffffffff81c801d0 [ 65.910026][ T8222] ? io_ring_ctx_wait_and_kill+0x510/0x510 [ 65.915831][ T8222] ? __kthread_bind_mask+0x31/0xc0 [ 65.921032][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.926142][ T8222] ? __kthread_bind_mask+0x3b/0xc0 [ 65.931246][ T8222] kthread_unpark+0x123/0x160 [ 65.935911][ T8222] kthread_stop+0xfa/0x6c0 [ 65.940316][ T8222] io_finish_async+0xab/0x180 [ 65.944995][ T8222] io_ring_ctx_wait_and_kill+0x133/0x510 [ 65.950621][ T8222] io_uring_release+0x42/0x50 [ 65.955287][ T8222] __fput+0x2e5/0x8d0 [ 65.959256][ T8222] ____fput+0x16/0x20 [ 65.963338][ T8222] task_work_run+0x14a/0x1c0 [ 65.967927][ T8222] do_exit+0x90a/0x2fa0 [ 65.972083][ T8222] ? mm_update_next_owner+0x640/0x640 [ 65.977452][ T8222] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.982902][ T8222] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.988492][ T8222] do_group_exit+0x135/0x370 [ 65.993083][ T8222] __x64_sys_exit_group+0x44/0x50 [ 65.998108][ T8222] do_syscall_64+0x103/0x610 [ 66.002689][ T8222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.008584][ T8222] RIP: 0033:0x43ee98 [ 66.012473][ T8222] Code: 07 c0 fa 02 29 c2 41 8d 43 06 8d 14 92 01 d2 29 d1 83 c1 30 42 88 0c 06 4c 63 c0 42 c6 04 06 00 c3 90 0f b6 57 09 41 b8 14 00 <00> 00 b8 14 00 00 00 b9 13 00 00 00 41 bb 13 00 00 00 80 fa 5a 0f [ 66.032152][ T8222] RSP: 002b:00007ffdb57eb418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.040555][ T8222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee98 [ 66.048622][ T8222] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 66.056692][ T8222] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 66.064697][ T8222] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 66.073086][ T8222] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 66.081995][ T8222] Kernel Offset: disabled [ 66.086421][ T8222] Rebooting in 86400 seconds..