[ 39.007614][ T26] audit: type=1800 audit(1550665719.574:26): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.040870][ T26] audit: type=1800 audit(1550665719.574:27): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.062607][ T26] audit: type=1800 audit(1550665719.584:28): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.914804][ T26] audit: type=1800 audit(1550665720.514:29): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.293288][ T7853] BUG: assuming atomic context at kernel/seccomp.c:271 [ 50.300168][ T7853] in_atomic(): 0, irqs_disabled(): 0, pid: 7853, name: syz-executor140 [ 50.308517][ T7853] no locks held by syz-executor140/7853. [ 50.314612][ T7853] CPU: 1 PID: 7853 Comm: syz-executor140 Not tainted 5.0.0-rc7-next-20190220 #39 [ 50.323734][ T7853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.333782][ T7853] Call Trace: [ 50.337068][ T7853] dump_stack+0x172/0x1f0 [ 50.341382][ T7853] __cant_sleep.cold+0xa3/0xbb [ 50.346123][ T7853] __seccomp_filter+0x12b/0x12b0 [ 50.351049][ T7853] ? seccomp_notify_release+0x280/0x280 [ 50.356573][ T7853] ? kasan_check_write+0x14/0x20 [ 50.361492][ T7853] ? _raw_spin_unlock_irq+0x28/0x90 [ 50.366681][ T7853] ? do_seccomp+0xa5a/0x2250 [ 50.371260][ T7853] ? _raw_spin_unlock_irq+0x28/0x90 [ 50.376434][ T7853] ? lockdep_hardirqs_on+0x418/0x5d0 [ 50.381697][ T7853] ? trace_hardirqs_on+0x67/0x230 [ 50.386704][ T7853] ? kasan_check_read+0x11/0x20 [ 50.391559][ T7853] ? _raw_spin_unlock_irq+0x5e/0x90 [ 50.396736][ T7853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.402953][ T7853] ? do_seccomp+0x389/0x2250 [ 50.407518][ T7853] __secure_computing+0x101/0x360 [ 50.412521][ T7853] syscall_trace_enter+0x5bf/0xe10 [ 50.417608][ T7853] ? trace_event_raw_event_sys_exit+0x290/0x290 [ 50.423841][ T7853] ? kasan_check_write+0x14/0x20 [ 50.428759][ T7853] ? lockdep_hardirqs_on+0x418/0x5d0 [ 50.434037][ T7853] ? trace_hardirqs_on+0x67/0x230 [ 50.439041][ T7853] do_syscall_64+0x479/0x610 [ 50.443641][ T7853] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.449507][ T7853] RIP: 0033:0x43ec58 [ 50.453378][ T7853] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 50.472958][ T7853] RSP: 002b:00007ffc2d0b2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 50.481343][ T7853] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ec58 [ 50.489289][ T7853] RDX: 0000000000000000 RSI: 0000000