[ 89.541457][ T27] audit: type=1400 audit(1578727958.744:37): avc: denied { watch } for pid=10382 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 [ 89.583153][ T27] audit: type=1400 audit(1578727958.774:38): avc: denied { watch } for pid=10382 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. [ 89.794865][ T27] audit: type=1800 audit(1578727958.994:39): pid=10290 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 [ 89.816976][ T27] audit: type=1800 audit(1578727958.994:40): pid=10290 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: [ 92.995574][ T27] audit: type=1400 audit(1578727962.194:41): avc: denied { map } for pid=10471 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 '10.128.1.33' (ECDSA) to the list of known hosts. executing program [ 102.755181][ T27] audit: type=1400 audit(1578727971.954:42): avc: denied { map } for pid=10483 comm="syz-executor216" path="/root/syz-executor216227068" 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 [ 102.758864][T10483] netlink: 4 bytes leftover after parsing attributes in process `syz-executor216'. [ 102.792721][T10483] kasan: CONFIG_KASAN_INLINE enabled [ 102.798278][T10483] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 102.806480][T10483] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 102.813421][T10483] CPU: 0 PID: 10483 Comm: syz-executor216 Not tainted 5.5.0-rc5-syzkaller #0 [ 102.822168][T10483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.832232][T10483] RIP: 0010:tcf_ife_cleanup+0x6e/0x400 [ 102.837679][T10483] Code: 48 c1 ea 03 80 3c 02 00 0f 85 94 03 00 00 49 8b bd f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 67 e8 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5c 03 00 00 48 bb 00 00 00 00 00 fc ff df 48 8b [ 102.857279][T10483] RSP: 0018:ffffc90001dc6d00 EFLAGS: 00010246 [ 102.863357][T10483] RAX: dffffc0000000000 RBX: ffffffff864619c0 RCX: ffffffff815bfa09 [ 102.871316][T10483] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 102.879531][T10483] RBP: ffffc90001dc6d50 R08: 0000000000000004 R09: fffff520003b8d8e [ 102.887671][T10483] R10: fffff520003b8d8d R11: 0000000000000003 R12: ffffffffffffffe8 [ 102.896017][T10483] R13: ffff8880a79fc000 R14: ffff88809aba0e00 R15: 0000000000000000 [ 102.903999][T10483] FS: 0000000001b51880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 102.913727][T10483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.920298][T10483] CR2: 0000563f52cce140 CR3: 0000000093541000 CR4: 00000000001406f0 [ 102.928263][T10483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.937304][T10483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.946039][T10483] Call Trace: [ 102.949339][T10483] ? unregister_ife_op+0x270/0x270 [ 102.954464][T10483] tcf_action_cleanup+0x62/0x1b0 [ 102.959505][T10483] __tcf_action_put+0xfa/0x130 [ 102.964602][T10483] __tcf_idr_release+0x59/0xf0 [ 102.969350][T10483] tcf_ife_init+0x97c/0x1870 [ 102.973939][T10483] ? tcf_ife_dump+0xc00/0xc00 [ 102.978769][T10483] ? tc_lookup_action_n+0xd2/0x100 [ 102.983882][T10483] ? lock_downgrade+0x920/0x920 [ 102.988792][T10483] ? __kasan_check_write+0x14/0x20 [ 102.993916][T10483] ? do_raw_read_unlock+0x3f/0x70 [ 102.998930][T10483] tcf_action_init_1+0x6b6/0xa40 [ 103.004090][T10483] ? tcf_action_dump_old+0x80/0x80 [ 103.009219][T10483] ? __nla_validate_parse+0x2d0/0x1ee0 [ 103.014677][T10483] ? __lock_acquire+0x8a0/0x4a00 [ 103.019611][T10483] ? __kasan_check_read+0x11/0x20 [ 103.024631][T10483] tcf_action_init+0x21a/0x330 [ 103.029395][T10483] ? tcf_action_init_1+0xa40/0xa40 [ 103.034527][T10483] ? lock_downgrade+0x920/0x920 [ 103.039453][T10483] ? mark_lock+0xc2/0x1220 [ 103.044004][T10483] ? __kasan_check_read+0x11/0x20 [ 103.049112][T10483] tcf_action_add+0xf5/0x3b0 [ 103.053702][T10483] ? tca_action_gd+0x1760/0x1760 [ 103.058744][T10483] ? __nla_parse+0x43/0x60 [ 103.063156][T10483] tc_ctl_action+0x390/0x488 [ 103.067740][T10483] ? tcf_action_add+0x3b0/0x3b0 [ 103.072668][T10483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 103.078917][T10483] ? tcf_action_add+0x3b0/0x3b0 [ 103.083792][T10483] rtnetlink_rcv_msg+0x45e/0xaf0 [ 103.089203][T10483] ? rtnl_bridge_getlink+0x910/0x910 [ 103.094561][T10483] ? lock_downgrade+0x920/0x920 [ 103.099411][T10483] ? netlink_deliver_tap+0x228/0xbe0 [ 103.104710][T10483] ? find_held_lock+0x35/0x130 [ 103.109551][T10483] netlink_rcv_skb+0x177/0x450 [ 103.114302][T10483] ? rtnl_bridge_getlink+0x910/0x910 [ 103.119571][T10483] ? netlink_ack+0xb50/0xb50 [ 103.124154][T10483] ? __kasan_check_read+0x11/0x20 [ 103.129695][T10483] ? netlink_deliver_tap+0x24a/0xbe0 [ 103.135036][T10483] rtnetlink_rcv+0x1d/0x30 [ 103.139465][T10483] netlink_unicast+0x58c/0x7d0 [ 103.144403][T10483] ? netlink_attachskb+0x870/0x870 [ 103.149522][T10483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.155842][T10483] netlink_sendmsg+0x91c/0xea0 [ 103.160600][T10483] ? netlink_unicast+0x7d0/0x7d0 [ 103.165604][T10483] ? tomoyo_socket_sendmsg+0x26/0x30 [ 103.170874][T10483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.177119][T10483] ? security_socket_sendmsg+0x8d/0xc0 [ 103.182558][T10483] ? netlink_unicast+0x7d0/0x7d0 [ 103.187476][T10483] sock_sendmsg+0xd7/0x130 [ 103.191873][T10483] ____sys_sendmsg+0x753/0x880 [ 103.196614][T10483] ? kernel_sendmsg+0x50/0x50 [ 103.201287][T10483] ? mark_held_locks+0xa4/0xf0 [ 103.206044][T10483] ? do_huge_pmd_anonymous_page+0x1463/0x1a50 [ 103.212100][T10483] ? __handle_mm_fault+0x3145/0x3cc0 [ 103.217366][T10483] ? do_huge_pmd_anonymous_page+0x1463/0x1a50 [ 103.223503][T10483] ___sys_sendmsg+0x100/0x170 [ 103.228163][T10483] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 103.234404][T10483] ? sendmsg_copy_msghdr+0x70/0x70 [ 103.239501][T10483] ? __do_page_fault+0x56a/0xd80 [ 103.244438][T10483] ? find_held_lock+0x35/0x130 [ 103.249227][T10483] ? __do_page_fault+0x56a/0xd80 [ 103.254155][T10483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.260375][T10483] ? __fget_light+0x1a9/0x230 [ 103.265030][T10483] ? __fdget+0x1b/0x20 [ 103.269106][T10483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 103.275337][T10483] __sys_sendmsg+0x105/0x1d0 [ 103.279928][T10483] ? __sys_sendmsg_sock+0xc0/0xc0 [ 103.284949][T10483] ? down_read_non_owner+0x490/0x490 [ 103.290912][T10483] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.296352][T10483] ? do_syscall_64+0x26/0x790 [ 103.301023][T10483] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.307078][T10483] ? do_syscall_64+0x26/0x790 [ 103.311757][T10483] __x64_sys_sendmsg+0x78/0xb0 [ 103.316497][T10483] do_syscall_64+0xfa/0x790 [ 103.320979][T10483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.326847][T10483] RIP: 0033:0x440269 [ 103.330733][T10483] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.350503][T10483] RSP: 002b:00007ffc2cad5d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 103.359007][T10483] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440269 [ 103.367318][T10483] RDX: 0000000000000000 RSI: 0000000020007300 RDI: 0000000000000003 [ 103.375432][T10483] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 103.383393][T10483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401af0 [ 103.392155][T10483] R13: 0000000000401b80 R14: 0000000000000000 R15: 0000000000000000 [ 103.400197][T10483] Modules linked in: [ 103.404141][T10483] ---[ end trace 031cd8639be654c5 ]--- [ 103.409644][T10483] RIP: 0010:tcf_ife_cleanup+0x6e/0x400 [ 103.415100][T10483] Code: 48 c1 ea 03 80 3c 02 00 0f 85 94 03 00 00 49 8b bd f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 67 e8 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5c 03 00 00 48 bb 00 00 00 00 00 fc ff df 48 8b [ 103.435064][T10483] RSP: 0018:ffffc90001dc6d00 EFLAGS: 00010246 [ 103.441167][T10483] RAX: dffffc0000000000 RBX: ffffffff864619c0 RCX: ffffffff815bfa09 [ 103.449287][T10483] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 103.457395][T10483] RBP: ffffc90001dc6d50 R08: 0000000000000004 R09: fffff520003b8d8e [ 103.465475][T10483] R10: fffff520003b8d8d R11: 0000000000000003 R12: ffffffffffffffe8 [ 103.473488][T10483] R13: ffff8880a79fc000 R14: ffff88809aba0e00 R15: 0000000000000000 [ 103.481495][T10483] FS: 0000000001b51880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 103.490442][T10483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.497667][T10483] CR2: 0000563f52cce140 CR3: 0000000093541000 CR4: 00000000001406f0 [ 103.506589][T10483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.514921][T10483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.523110][T10483] Kernel panic - not syncing: Fatal exception in interrupt [ 103.531712][T10483] Kernel Offset: disabled [ 103.536050][T10483] Rebooting in 86400 seconds..