[ 91.932436][ T27] audit: type=1400 audit(1579608732.400:37): avc: denied { watch } for pid=10312 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 [ 91.974381][ T27] audit: type=1400 audit(1579608732.430:38): avc: denied { watch } for pid=10312 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. [ 92.179811][ T27] audit: type=1800 audit(1579608732.640:39): pid=10215 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 [ 92.201824][ T27] audit: type=1800 audit(1579608732.650:40): pid=10215 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: [ 95.059843][ T27] audit: type=1400 audit(1579608735.520:41): avc: denied { map } for pid=10393 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 '10.128.1.25' (ECDSA) to the list of known hosts. executing program [ 113.308480][ T27] audit: type=1400 audit(1579608753.770:42): avc: denied { map } for pid=10405 comm="syz-executor162" path="/root/syz-executor162082448" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 113.398848][T10405] BUG: unable to handle page fault for address: 000000010000000e [ 113.398857][T10405] #PF: supervisor write access in kernel mode [ 113.398864][T10405] #PF: error_code(0x0002) - not-present page [ 113.398869][T10405] PGD 98324067 P4D 98324067 PUD 0 [ 113.398888][T10405] Oops: 0002 [#1] PREEMPT SMP KASAN [ 113.398902][T10405] CPU: 1 PID: 10405 Comm: syz-executor162 Not tainted 5.5.0-rc7-syzkaller #0 [ 113.398910][T10405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.398930][T10405] RIP: 0010:do_con_trol+0x47ea/0x61b0 [ 113.398942][T10405] Code: 08 2c 01 0f 8e b1 00 00 00 4c 8b bd 08 ff ff ff 48 63 db 44 89 e9 41 0f b7 84 24 c8 03 00 00 48 01 db d1 e9 49 01 df 4c 89 ff 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 [ 113.398949][T10405] RSP: 0018:ffffc90001f778b0 EFLAGS: 00010202 [ 113.398959][T10405] RAX: 0000000000000720 RBX: 0000000000000000 RCX: 0000000000000001 [ 113.398967][T10405] RDX: 1ffff11012914279 RSI: ffffffff83ed596d RDI: 000000010000000e [ 113.398976][T10405] RBP: ffffc90001f779d0 R08: ffff8880963b2140 R09: ffff8880963b29d0 [ 113.398984][T10405] R10: fffffbfff14f69d0 R11: ffffffff8a7b4e87 R12: ffff8880948a1000 [ 113.398990][T10405] R13: 0000000000000002 R14: 0000000000000001 R15: 000000010000000e [ 113.399000][T10405] FS: 0000000001b9b880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 113.399007][T10405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.399015][T10405] CR2: 000000010000000e CR3: 000000009fd6a000 CR4: 00000000001406e0 [ 113.399027][T10405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.399034][T10405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.399038][T10405] Call Trace: [ 113.399058][T10405] ? reset_palette+0x190/0x190 [ 113.399073][T10405] ? __kasan_check_read+0x11/0x20 [ 113.399090][T10405] ? __atomic_notifier_call_chain+0xf8/0x1a0 [ 113.399110][T10405] do_con_write.part.0+0xfd9/0x1ef0 [ 113.399133][T10405] ? do_con_trol+0x61b0/0x61b0 [ 113.399146][T10405] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 113.399156][T10405] ? add_wait_queue+0x112/0x170 [ 113.399170][T10405] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 113.399187][T10405] ? trace_hardirqs_on+0x67/0x240 [ 113.399206][T10405] con_write+0x46/0xd0 [ 113.399222][T10405] n_tty_write+0x40e/0x1080 [ 113.399243][T10405] ? n_tty_read+0x1bf0/0x1bf0 [ 113.399256][T10405] ? prepare_to_wait_exclusive+0x320/0x320 [ 113.399272][T10405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 113.399286][T10405] ? _copy_from_user+0x12c/0x1a0 [ 113.399377][T10405] tty_write+0x496/0x7f0 [ 113.399396][T10405] ? n_tty_read+0x1bf0/0x1bf0 [ 113.399412][T10405] __vfs_write+0x8a/0x110 [ 113.399424][T10405] ? put_tty_driver+0x20/0x20 [ 113.399438][T10405] vfs_write+0x268/0x5d0 [ 113.399453][T10405] ksys_write+0x14f/0x290 [ 113.399466][T10405] ? __ia32_sys_read+0xb0/0xb0 [ 113.399482][T10405] ? do_syscall_64+0x26/0x790 [ 113.399496][T10405] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.399508][T10405] ? do_syscall_64+0x26/0x790 [ 113.399523][T10405] __x64_sys_write+0x73/0xb0 [ 113.399538][T10405] do_syscall_64+0xfa/0x790 [ 113.399553][T10405] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.399562][T10405] RIP: 0033:0x4404f9 [ 113.399575][T10405] 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 [ 113.399581][T10405] RSP: 002b:00007ffc7f4277f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 113.399593][T10405] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 113.399600][T10405] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 113.399607][T10405] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 113.399614][T10405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0 [ 113.399621][T10405] R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000 [ 113.399631][T10405] Modules linked in: [ 113.399639][T10405] CR2: 000000010000000e [ 113.410296][T10405] ---[ end trace 632c731256a58fe9 ]--- [ 113.410321][T10405] RIP: 0010:do_con_trol+0x47ea/0x61b0 [ 113.410335][T10405] Code: 08 2c 01 0f 8e b1 00 00 00 4c 8b bd 08 ff ff ff 48 63 db 44 89 e9 41 0f b7 84 24 c8 03 00 00 48 01 db d1 e9 49 01 df 4c 89 ff 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 [ 113.410343][T10405] RSP: 0018:ffffc90001f778b0 EFLAGS: 00010202 [ 113.410352][T10405] RAX: 0000000000000720 RBX: 0000000000000000 RCX: 0000000000000001 [ 113.410360][T10405] RDX: 1ffff11012914279 RSI: ffffffff83ed596d RDI: 000000010000000e [ 113.410367][T10405] RBP: ffffc90001f779d0 R08: ffff8880963b2140 R09: ffff8880963b29d0 [ 113.410374][T10405] R10: fffffbfff14f69d0 R11: ffffffff8a7b4e87 R12: ffff8880948a1000 [ 113.410381][T10405] R13: 0000000000000002 R14: 0000000000000001 R15: 000000010000000e [ 113.410390][T10405] FS: 0000000001b9b880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 113.410398][T10405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.410406][T10405] CR2: 00000000024b1800 CR3: 000000009fd6a000 CR4: 00000000001406e0 [ 113.410417][T10405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.410425][T10405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.410432][T10405] Kernel panic - not syncing: Fatal exception [ 113.412050][T10405] Kernel Offset: disabled [ 113.925766][T10405] Rebooting in 86400 seconds..