[ 74.733847][ T26] audit: type=1400 audit(1574836032.189:37): avc: denied { watch } for pid=9287 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 74.776804][ T26] audit: type=1400 audit(1574836032.189:38): avc: denied { watch } for pid=9287 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 74.988336][ T26] audit: type=1800 audit(1574836032.439:39): pid=9198 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 75.010206][ T26] audit: type=1800 audit(1574836032.439:40): pid=9198 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 77.924150][ T26] audit: type=1400 audit(1574836035.379:41): avc: denied { map } for pid=9374 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 '10.128.0.182' (ECDSA) to the list of known hosts. executing program [ 84.473339][ T26] audit: type=1400 audit(1574836041.929:42): avc: denied { map } for pid=9386 comm="syz-executor580" path="/root/syz-executor580545715" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 84.477999][ T9386] [drm:drm_calc_timestamping_constants] *ERROR* crtc 32: Can't calculate constants, dotclock = 0! [ 84.512068][ C0] ------------[ cut here ]------------ [ 84.517780][ C0] WARNING: CPU: 0 PID: 9386 at drivers/gpu/drm/vkms/vkms_crtc.c:23 vkms_vblank_simulate+0x33a/0x3c0 [ 84.535056][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 84.541658][ C0] CPU: 0 PID: 9386 Comm: syz-executor580 Not tainted 5.4.0-syzkaller #0 [ 84.549965][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.559995][ C0] Call Trace: [ 84.563268][ C0] [ 84.566116][ C0] dump_stack+0x197/0x210 [ 84.570427][ C0] ? vkms_vblank_simulate+0x270/0x3c0 [ 84.575778][ C0] panic+0x2e3/0x75c [ 84.579662][ C0] ? add_taint.cold+0x16/0x16 [ 84.584331][ C0] ? printk+0xba/0xed [ 84.588302][ C0] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 84.593747][ C0] ? __warn.cold+0x14/0x35 [ 84.598138][ C0] ? __warn+0xd9/0x1d0 [ 84.602190][ C0] ? vkms_vblank_simulate+0x33a/0x3c0 [ 84.607534][ C0] __warn.cold+0x2f/0x35 [ 84.611756][ C0] ? report_bug.cold+0x63/0xad [ 84.616498][ C0] ? vkms_vblank_simulate+0x33a/0x3c0 [ 84.621847][ C0] report_bug+0x289/0x300 [ 84.626159][ C0] do_error_trap+0x11b/0x200 [ 84.630774][ C0] do_invalid_op+0x37/0x50 [ 84.635264][ C0] ? vkms_vblank_simulate+0x33a/0x3c0 [ 84.640610][ C0] invalid_op+0x23/0x30 [ 84.644749][ C0] RIP: 0010:vkms_vblank_simulate+0x33a/0x3c0 [ 84.650715][ C0] Code: a1 00 00 00 49 8b 94 24 50 02 00 00 4c 89 f1 bf 02 00 00 00 48 c7 c6 a0 a4 03 88 e8 50 89 b5 ff e9 dd fe ff ff e8 b6 6c 7c fd <0f> 0b e9 7e fd ff ff e8 4a aa b8 fd e9 f4 fd ff ff 48 8b 7d d0 e8 [ 84.670463][ C0] RSP: 0018:ffff8880ae809dd0 EFLAGS: 00010006 [ 84.676531][ C0] RAX: ffff888081f82480 RBX: ffff8880a3a116e8 RCX: ffffffff83f7a145 [ 84.684495][ C0] RDX: 0000000000010000 RSI: ffffffff83f7a3ca RDI: 0000000000000007 [ 84.692453][ C0] RBP: ffff8880ae809e08 R08: ffff888081f82480 R09: ffff888081f82d10 [ 84.700404][ C0] R10: fffffbfff138ed40 R11: ffffffff89c76a07 R12: 0000000000039b8a [ 84.708366][ C0] R13: ffff8880a3a11740 R14: ffff8880a3a10be8 R15: 0000000000000000 [ 84.716552][ C0] ? vkms_vblank_simulate+0xb5/0x3c0 [ 84.721826][ C0] ? vkms_vblank_simulate+0x33a/0x3c0 [ 84.727192][ C0] __hrtimer_run_queues+0x364/0xe40 [ 84.732400][ C0] ? vkms_disable_vblank+0x20/0x20 [ 84.737501][ C0] ? hrtimer_init+0x330/0x330 [ 84.742163][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 84.747866][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 84.753918][ C0] hrtimer_interrupt+0x314/0x770 [ 84.758871][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 84.764973][ C0] apic_timer_interrupt+0xf/0x20 [ 84.769956][ C0] [ 84.772889][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x95/0xe0 [ 84.779306][ C0] Code: 48 c7 c0 60 2f f3 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d 62 8a 9c 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 9c 58 f9 f9 65 8b 05 ed 58 ab 78 [ 84.798897][ C0] RSP: 0018:ffff88808e887920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 84.807292][ C0] RAX: 1ffffffff11e65ec RBX: 0000000000000286 RCX: 0000000000000000 [ 84.815242][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0000000000000286 [ 84.823448][ C0] RBP: ffff88808e887930 R08: ffff888081f82480 R09: 0000000000000000 [ 84.831399][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a3a102f0 [ 84.839348][ C0] R13: 0000000000000000 R14: ffff8880a3a102f0 R15: ffff8880a388a908 [ 84.847322][ C0] drm_vblank_get+0x150/0x1e0 [ 84.851980][ C0] drm_wait_vblank_ioctl+0x51a/0x1990 [ 84.857328][ C0] ? drm_dev_exit+0x22/0x60 [ 84.861831][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0 [ 84.868010][ C0] ? lock_downgrade+0x920/0x920 [ 84.872867][ C0] ? lock_acquire+0x190/0x410 [ 84.877538][ C0] ? drm_dev_alloc+0xd0/0xd0 [ 84.882117][ C0] drm_ioctl_kernel+0x244/0x300 [ 84.887038][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0 [ 84.893171][ C0] ? drm_setversion+0x8c0/0x8c0 [ 84.898003][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.904219][ C0] ? _copy_from_user+0x12c/0x1a0 [ 84.909132][ C0] drm_ioctl+0x54e/0xa60 [ 84.913439][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0 [ 84.919572][ C0] ? drm_ioctl_kernel+0x300/0x300 [ 84.924573][ C0] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 84.930360][ C0] ? ___might_sleep+0x163/0x2c0 [ 84.935191][ C0] ? drm_ioctl_kernel+0x300/0x300 [ 84.940279][ C0] do_vfs_ioctl+0xdb6/0x13e0 [ 84.944847][ C0] ? ioctl_preallocate+0x210/0x210 [ 84.950070][ C0] ? selinux_file_mprotect+0x620/0x620 [ 84.955636][ C0] ? kmem_cache_free+0x26b/0x320 [ 84.960571][ C0] ? putname+0xf4/0x130 [ 84.964723][ C0] ? do_sys_open+0x31d/0x5d0 [ 84.969309][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 84.974255][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.980480][ C0] ? security_file_ioctl+0x8d/0xc0 [ 84.985748][ C0] ksys_ioctl+0xab/0xd0 [ 84.989895][ C0] __x64_sys_ioctl+0x73/0xb0 [ 84.994643][ C0] do_syscall_64+0xfa/0x760 [ 84.999132][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.005010][ C0] RIP: 0033:0x443e29 [ 85.008941][ C0] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.029540][ C0] RSP: 002b:00007ffff0a527d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.037947][ C0] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e29 [ 85.046004][ C0] RDX: 0000000020000100 RSI: 00000000c018643a RDI: 0000000000000003 [ 85.053974][ C0] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 85.061930][ C0] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b30 [ 85.069937][ C0] R13: 0000000000401bc0 R14: 0000000000000000 R15: 0000000000000000 [ 85.079495][ C0] Kernel Offset: disabled [ 85.084083][ C0] Rebooting in 86400 seconds..