[ 78.085777][ T26] audit: type=1400 audit(1579157095.228:38): avc: denied { watch } for pid=10514 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 78.343140][ T26] audit: type=1800 audit(1579157095.488:39): pid=10425 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 [ 78.365531][ T26] audit: type=1800 audit(1579157095.498:40): pid=10425 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 [ 79.056008][ T26] audit: type=1400 audit(1579157096.198:41): avc: denied { map } for pid=10603 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 85.731077][ T26] audit: type=1400 audit(1579157102.878:42): avc: denied { map } for pid=10615 comm="syz-executor706" path="/root/syz-executor706103492" 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 [ 85.814852][T10615] BUG: unable to handle page fault for address: 000000010000000e [ 85.814861][T10615] #PF: supervisor write access in kernel mode [ 85.814866][T10615] #PF: error_code(0x0002) - not-present page [ 85.814871][T10615] PGD 98735067 P4D 98735067 PUD 0 [ 85.814890][T10615] Oops: 0002 [#1] PREEMPT SMP KASAN [ 85.814904][T10615] CPU: 0 PID: 10615 Comm: syz-executor706 Not tainted 5.5.0-rc6-syzkaller #0 [ 85.814911][T10615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.814926][T10615] RIP: 0010:csi_J+0x2bf/0xb00 [ 85.814938][T10615] Code: ff df 43 8d 4c 2d 00 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e af 06 00 00 0f b7 83 c8 03 00 00 d1 e9 4c 89 e7 66 ab 48 89 df e8 46 f2 ff ff 31 ff 41 89 c6 89 c6 e8 5a d5 88 [ 85.814944][T10615] RSP: 0018:ffffc90001fb7860 EFLAGS: 00010202 [ 85.814953][T10615] RAX: 0000000000000720 RBX: ffff8880a38ca000 RCX: 0000000000000001 [ 85.814960][T10615] RDX: 1ffff11014719479 RSI: ffffffff83ec2116 RDI: 000000010000000e [ 85.814967][T10615] RBP: ffffc90001fb78a0 R08: ffff8880988d60c0 R09: ffff8880988d6950 [ 85.814976][T10615] R10: fffffbfff14f6998 R11: ffffffff8a7b4cc7 R12: 000000010000000e [ 85.814983][T10615] R13: 7fffffff80000001 R14: 0000000000000011 R15: 0000000000000000 [ 85.814994][T10615] FS: 0000000001933880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.815001][T10615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.815009][T10615] CR2: 000000010000000e CR3: 0000000097611000 CR4: 00000000001406f0 [ 85.815019][T10615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.815027][T10615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.815031][T10615] Call Trace: [ 85.815048][T10615] ? __atomic_notifier_call_chain+0xd6/0x1a0 [ 85.815063][T10615] do_con_trol+0x50cc/0x61b0 [ 85.815078][T10615] ? reset_palette+0x190/0x190 [ 85.815091][T10615] ? __kasan_check_read+0x11/0x20 [ 85.815108][T10615] ? __atomic_notifier_call_chain+0xf8/0x1a0 [ 85.815126][T10615] do_con_write.part.0+0xfd9/0x1ef0 [ 85.815150][T10615] ? do_con_trol+0x61b0/0x61b0 [ 85.815165][T10615] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 85.815177][T10615] ? add_wait_queue+0x112/0x170 [ 85.815190][T10615] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 85.815206][T10615] ? trace_hardirqs_on+0x67/0x240 [ 85.815223][T10615] con_write+0x46/0xd0 [ 85.815238][T10615] n_tty_write+0x40e/0x1080 [ 85.815261][T10615] ? n_tty_read+0x1bf0/0x1bf0 [ 85.815275][T10615] ? prepare_to_wait_exclusive+0x320/0x320 [ 85.815292][T10615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.815306][T10615] ? _copy_from_user+0x12c/0x1a0 [ 85.815321][T10615] tty_write+0x496/0x7f0 [ 85.815336][T10615] ? n_tty_read+0x1bf0/0x1bf0 [ 85.815350][T10615] __vfs_write+0x8a/0x110 [ 85.815370][T10615] ? put_tty_driver+0x20/0x20 [ 85.815384][T10615] vfs_write+0x268/0x5d0 [ 85.815397][T10615] ksys_write+0x14f/0x290 [ 85.815409][T10615] ? __ia32_sys_read+0xb0/0xb0 [ 85.815424][T10615] ? do_syscall_64+0x26/0x790 [ 85.815436][T10615] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.815449][T10615] ? do_syscall_64+0x26/0x790 [ 85.815464][T10615] __x64_sys_write+0x73/0xb0 [ 85.815479][T10615] do_syscall_64+0xfa/0x790 [ 85.815495][T10615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.815503][T10615] RIP: 0033:0x4404f9 [ 85.815516][T10615] 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.815523][T10615] RSP: 002b:00007ffe07deda88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.815538][T10615] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 85.815546][T10615] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 85.815554][T10615] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 85.815561][T10615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0 [ 85.815569][T10615] R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000 [ 85.815580][T10615] Modules linked in: [ 85.815590][T10615] CR2: 000000010000000e [ 85.822958][T10615] ---[ end trace 3b256755b4b32bc1 ]--- [ 85.822981][T10615] RIP: 0010:csi_J+0x2bf/0xb00 [ 85.822994][T10615] Code: ff df 43 8d 4c 2d 00 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e af 06 00 00 0f b7 83 c8 03 00 00 d1 e9 4c 89 e7 66 ab 48 89 df e8 46 f2 ff ff 31 ff 41 89 c6 89 c6 e8 5a d5 88 [ 85.823002][T10615] RSP: 0018:ffffc90001fb7860 EFLAGS: 00010202 [ 85.823012][T10615] RAX: 0000000000000720 RBX: ffff8880a38ca000 RCX: 0000000000000001 [ 85.823020][T10615] RDX: 1ffff11014719479 RSI: ffffffff83ec2116 RDI: 000000010000000e [ 85.823028][T10615] RBP: ffffc90001fb78a0 R08: ffff8880988d60c0 R09: ffff8880988d6950 [ 85.823036][T10615] R10: fffffbfff14f6998 R11: ffffffff8a7b4cc7 R12: 000000010000000e [ 85.823044][T10615] R13: 7fffffff80000001 R14: 0000000000000011 R15: 0000000000000000 [ 85.823054][T10615] FS: 0000000001933880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.823062][T10615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.823070][T10615] CR2: 00007fb914bb1000 CR3: 0000000097611000 CR4: 00000000001406f0 [ 85.823082][T10615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.823090][T10615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.823096][T10615] Kernel panic - not syncing: Fatal exception [ 85.824597][T10615] Kernel Offset: disabled [ 86.340527][T10615] Rebooting in 86400 seconds..