[ 69.693075][ T26] audit: type=1400 audit(1574584676.443:37): avc: denied { watch } for pid=9542 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 [ 69.723495][ T26] audit: type=1400 audit(1574584676.443:38): avc: denied { watch } for pid=9542 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. [ 69.963670][ T26] audit: type=1800 audit(1574584676.713:39): pid=9453 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 [ 69.992138][ T26] audit: type=1800 audit(1574584676.713:40): pid=9453 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: [ 74.677628][ T26] audit: type=1400 audit(1574584681.433:41): avc: denied { map } for pid=9632 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 '10.128.0.40' (ECDSA) to the list of known hosts. executing program [ 81.239834][ T26] audit: type=1400 audit(1574584687.993:42): avc: denied { map } for pid=9644 comm="syz-executor387" path="/root/syz-executor387364248" 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 [ 81.255091][ T9646] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 81.291800][ T26] audit: type=1400 audit(1574584688.043:43): avc: denied { prog_load } for pid=9645 comm="syz-executor387" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 81.317204][ T26] audit: type=1400 audit(1574584688.073:44): avc: denied { prog_run } for pid=9645 comm="syz-executor387" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 83.138886][ T9676] kasan: CONFIG_KASAN_INLINE enabled [ 83.144373][ T9676] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 83.152597][ T9676] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 83.159542][ T9676] CPU: 1 PID: 9676 Comm: syz-executor387 Not tainted 5.4.0-rc8-syzkaller #0 [ 83.168203][ T9676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.178280][ T9676] RIP: 0010:skb_unlink+0xc4/0x160 [ 83.183281][ T9676] Code: 00 00 49 8d 7d 08 4c 8b 63 08 48 b8 00 00 00 00 00 fc ff df 48 c7 43 08 00 00 00 00 48 89 fa 48 c7 03 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 75 58 4c 89 e2 4d 89 65 08 48 b8 00 00 00 00 00 fc ff [ 83.202871][ T9676] RSP: 0018:ffff888091477908 EFLAGS: 00010002 [ 83.208927][ T9676] RAX: dffffc0000000000 RBX: ffff8880a9427cc0 RCX: ffffffff815a6e2a [ 83.216891][ T9676] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000008 [ 83.224847][ T9676] RBP: ffff888091477930 R08: 0000000000000004 R09: ffffed101228ef0e [ 83.232803][ T9676] R10: ffffed101228ef0d R11: 0000000000000003 R12: 0000000000000000 [ 83.240760][ T9676] R13: 0000000000000000 R14: ffff8880984d2828 R15: ffff8880914779d8 [ 83.248713][ T9676] FS: 00007f42b86ec700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 83.257621][ T9676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.264181][ T9676] CR2: 00000000209ff000 CR3: 000000009503d000 CR4: 00000000001406e0 [ 83.272133][ T9676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.280090][ T9676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.288038][ T9676] Call Trace: [ 83.291478][ T9676] kcm_recvmsg+0x462/0x560 [ 83.295893][ T9676] ? kcm_splice_read+0x360/0x360 [ 83.300899][ T9676] ? kcm_splice_read+0x360/0x360 [ 83.305933][ T9676] sock_recvmsg_nosec+0x89/0xb0 [ 83.310776][ T9676] ? __sock_tx_timestamp+0xd0/0xd0 [ 83.315991][ T9676] ___sys_recvmsg+0x271/0x5c0 [ 83.321111][ T9676] ? __kasan_check_read+0x11/0x20 [ 83.326122][ T9676] ? ___sys_sendmsg+0x920/0x920 [ 83.330970][ T9676] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 83.336418][ T9676] ? lockdep_hardirqs_on+0x421/0x5e0 [ 83.342291][ T9676] ? retint_kernel+0x2b/0x2b [ 83.346863][ T9676] ? __might_fault+0x12b/0x1e0 [ 83.351720][ T9676] ? find_held_lock+0x35/0x130 [ 83.356487][ T9676] ? __might_fault+0x12b/0x1e0 [ 83.361254][ T9676] ? lock_downgrade+0x920/0x920 [ 83.366097][ T9676] do_recvmmsg+0x27e/0x7a0 [ 83.370740][ T9676] ? ___sys_recvmsg+0x5c0/0x5c0 [ 83.375729][ T9676] ? __fd_install+0x1bc/0x640 [ 83.380507][ T9676] ? lock_downgrade+0x920/0x920 [ 83.385366][ T9676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.391590][ T9676] ? __fd_install+0x200/0x640 [ 83.396364][ T9676] __sys_recvmmsg+0x259/0x270 [ 83.401023][ T9676] ? __ia32_sys_recvmsg+0xb0/0xb0 [ 83.406032][ T9676] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 83.411473][ T9676] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 83.416919][ T9676] ? do_syscall_64+0x26/0x760 [ 83.422012][ T9676] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.428163][ T9676] ? do_syscall_64+0x26/0x760 [ 83.432855][ T9676] __x64_sys_recvmmsg+0xe6/0x140 [ 83.438362][ T9676] do_syscall_64+0xfa/0x760 [ 83.442934][ T9676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.448823][ T9676] RIP: 0033:0x446a39 [ 83.452795][ T9676] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.472703][ T9676] RSP: 002b:00007f42b86ebd98 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 83.481165][ T9676] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446a39 [ 83.489223][ T9676] RDX: 0400000000000310 RSI: 0000000020003540 RDI: 0000000000000005 [ 83.497806][ T9676] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 83.505875][ T9676] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 83.513838][ T9676] R13: 00000000002b0095 R14: 0000a50000000000 R15: 0000000300000018 [ 83.521897][ T9676] Modules linked in: [ 83.525793][ T9676] ---[ end trace f17c6e4834236958 ]--- [ 83.531258][ T9676] RIP: 0010:skb_unlink+0xc4/0x160 [ 83.536278][ T9676] Code: 00 00 49 8d 7d 08 4c 8b 63 08 48 b8 00 00 00 00 00 fc ff df 48 c7 43 08 00 00 00 00 48 89 fa 48 c7 03 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 75 58 4c 89 e2 4d 89 65 08 48 b8 00 00 00 00 00 fc ff [ 83.555965][ T9676] RSP: 0018:ffff888091477908 EFLAGS: 00010002 [ 83.562202][ T9676] RAX: dffffc0000000000 RBX: ffff8880a9427cc0 RCX: ffffffff815a6e2a [ 83.570383][ T9676] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000008 [ 83.578812][ T9676] RBP: ffff888091477930 R08: 0000000000000004 R09: ffffed101228ef0e [ 83.586795][ T9676] R10: ffffed101228ef0d R11: 0000000000000003 R12: 0000000000000000 [ 83.594750][ T9676] R13: 0000000000000000 R14: ffff8880984d2828 R15: ffff8880914779d8 [ 83.602732][ T9676] FS: 00007f42b86ec700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 83.611672][ T9676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.618250][ T9676] CR2: 00000000209ff000 CR3: 000000009503d000 CR4: 00000000001406e0 [ 83.626353][ T9676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.634328][ T9676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.642376][ T9676] Kernel panic - not syncing: Fatal exception [ 83.650145][ T9676] Kernel Offset: disabled [ 83.654479][ T9676] Rebooting in 86400 seconds..