[ 82.225334][ T27] audit: type=1400 audit(1579142905.506:37): avc: denied { watch } for pid=10740 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 [ 82.254026][ T27] audit: type=1400 audit(1579142905.506:38): avc: denied { watch } for pid=10740 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. [ 82.414340][ T27] audit: type=1800 audit(1579142905.696:39): pid=10642 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 [ 82.437137][ T27] audit: type=1800 audit(1579142905.706:40): pid=10642 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: [ 84.828331][ T27] audit: type=1400 audit(1579142908.116:41): avc: denied { map } for pid=10818 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 '10.128.0.242' (ECDSA) to the list of known hosts. executing program [ 96.450310][ T27] audit: type=1400 audit(1579142919.736:42): avc: denied { map } for pid=10830 comm="syz-executor463" path="/root/syz-executor463694165" 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 executing program [ 96.478653][ T27] audit: type=1400 audit(1579142919.736:43): avc: denied { create } for pid=10831 comm="syz-executor463" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 96.504311][ T27] audit: type=1400 audit(1579142919.736:44): avc: denied { write } for pid=10831 comm="syz-executor463" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 96.529359][T10832] list_del corruption, ffff8880a8bac800->prev is LIST_POISON2 (dead000000000122) [ 96.538983][T10832] ------------[ cut here ]------------ [ 96.544455][T10832] kernel BUG at lib/list_debug.c:48! [ 96.549851][T10832] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 96.556053][T10832] CPU: 1 PID: 10832 Comm: syz-executor463 Not tainted 5.5.0-rc6-syzkaller #0 [ 96.564797][T10832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.574850][T10832] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 96.581247][T10832] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 66 71 88 e8 c0 e7 be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 66 71 88 e8 ac e7 be fd <0f> 0b 4c 89 f6 48 c7 c7 40 67 71 88 e8 9b e7 be fd 0f 0b cc cc cc [ 96.600839][T10832] RSP: 0018:ffffc90001bc73f0 EFLAGS: 00010282 [ 96.606914][T10832] RAX: 000000000000004e RBX: ffff8880a8bac800 RCX: 0000000000000000 [ 96.614863][T10832] RDX: 0000000000000000 RSI: ffffffff815e5396 RDI: fffff52000378e70 [ 96.622813][T10832] RBP: ffffc90001bc7408 R08: 000000000000004e R09: ffffed1015d26621 [ 96.630769][T10832] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: dead000000000122 [ 96.638830][T10832] R13: ffff8880a9547580 R14: ffff8880a8bac800 R15: dffffc0000000000 [ 96.646815][T10832] FS: 0000000001283880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 96.655728][T10832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.662405][T10832] CR2: 0000000020003ac0 CR3: 00000000a84f3000 CR4: 00000000001406e0 [ 96.670430][T10832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.678426][T10832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.686379][T10832] Call Trace: [ 96.689652][T10832] nf_tables_commit+0x1068/0x3b30 [ 96.694684][T10832] ? nla_memcpy+0xb0/0xb0 [ 96.699007][T10832] ? nf_tables_setelem_notify.constprop.0+0x1f0/0x1f0 [ 96.706712][T10832] ? __nla_parse+0x43/0x60 [ 96.711240][T10832] nfnetlink_rcv_batch+0xc78/0x17a0 [ 96.716486][T10832] ? nf_tables_dump_chains+0x6c1/0x8e0 [ 96.722045][T10832] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 96.727892][T10832] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 96.733555][T10832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.739796][T10832] ? __nla_validate_parse+0x2d0/0x1ee0 [ 96.745236][T10832] ? selinux_capable+0x36/0x40 [ 96.749995][T10832] ? nla_memcpy+0xb0/0xb0 [ 96.754384][T10832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.760785][T10832] ? ns_capable_common+0x93/0x100 [ 96.765808][T10832] ? __nla_parse+0x43/0x60 [ 96.770303][T10832] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 96.776033][T10832] nfnetlink_rcv+0x3e7/0x460 [ 96.780662][T10832] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 96.786121][T10832] ? netlink_deliver_tap+0x24a/0xbe0 [ 96.791411][T10832] ? __kasan_check_write+0x14/0x20 [ 96.796516][T10832] netlink_unicast+0x58c/0x7d0 [ 96.801265][T10832] ? netlink_attachskb+0x870/0x870 [ 96.806496][T10832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.812721][T10832] netlink_sendmsg+0x91c/0xea0 [ 96.817465][T10832] ? netlink_unicast+0x7d0/0x7d0 [ 96.822395][T10832] ? tomoyo_socket_sendmsg+0x26/0x30 [ 96.827671][T10832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.833905][T10832] ? security_socket_sendmsg+0x8d/0xc0 [ 96.839359][T10832] ? netlink_unicast+0x7d0/0x7d0 [ 96.844284][T10832] sock_sendmsg+0xd7/0x130 [ 96.848731][T10832] ____sys_sendmsg+0x753/0x880 [ 96.853481][T10832] ? kernel_sendmsg+0x50/0x50 [ 96.858140][T10832] ? _raw_spin_unlock+0x28/0x40 [ 96.862970][T10832] ? do_huge_pmd_wp_page+0x53a/0x21c0 [ 96.868331][T10832] ___sys_sendmsg+0x100/0x170 [ 96.873085][T10832] ? sendmsg_copy_msghdr+0x70/0x70 [ 96.878229][T10832] ? fault_around_bytes_set+0xa0/0xa0 [ 96.883593][T10832] ? __do_page_fault+0x56a/0xd80 [ 96.888520][T10832] ? find_held_lock+0x35/0x130 [ 96.893266][T10832] ? __do_page_fault+0x56a/0xd80 [ 96.898185][T10832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.904536][T10832] ? __fget_light+0x1a9/0x230 [ 96.909257][T10832] ? __fdget+0x1b/0x20 [ 96.913432][T10832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.919670][T10832] __sys_sendmsg+0x105/0x1d0 [ 96.924242][T10832] ? __sys_sendmsg_sock+0xc0/0xc0 [ 96.929251][T10832] ? down_read_non_owner+0x490/0x490 [ 96.934580][T10832] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.940139][T10832] ? do_syscall_64+0x26/0x790 [ 96.944823][T10832] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.950880][T10832] ? do_syscall_64+0x26/0x790 [ 96.955548][T10832] __x64_sys_sendmsg+0x78/0xb0 [ 96.960302][T10832] do_syscall_64+0xfa/0x790 [ 96.964894][T10832] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.970822][T10832] RIP: 0033:0x441aa9 [ 96.974807][T10832] Code: e8 fc ab 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 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.994400][T10832] RSP: 002b:00007ffd42585ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.002799][T10832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441aa9 [ 97.010874][T10832] RDX: 0000000000000042 RSI: 0000000020003ac0 RDI: 0000000000000003 [ 97.019810][T10832] RBP: 0000000000006f6c R08: 00000000004002c8 R09: 00000000004002c8 [ 97.027769][T10832] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004028d0 [ 97.035768][T10832] R13: 0000000000402960 R14: 0000000000000000 R15: 0000000000000000 [ 97.043733][T10832] Modules linked in: [ 97.048115][T10832] ---[ end trace 69e70179a9306245 ]--- [ 97.053583][T10832] RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f [ 97.060255][T10832] Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 66 71 88 e8 c0 e7 be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 66 71 88 e8 ac e7 be fd <0f> 0b 4c 89 f6 48 c7 c7 40 67 71 88 e8 9b e7 be fd 0f 0b cc cc cc [ 97.079928][T10832] RSP: 0018:ffffc90001bc73f0 EFLAGS: 00010282 [ 97.085989][T10832] RAX: 000000000000004e RBX: ffff8880a8bac800 RCX: 0000000000000000 [ 97.094036][T10832] RDX: 0000000000000000 RSI: ffffffff815e5396 RDI: fffff52000378e70 [ 97.102085][T10832] RBP: ffffc90001bc7408 R08: 000000000000004e R09: ffffed1015d26621 [ 97.110087][T10832] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: dead000000000122 [ 97.118084][T10832] R13: ffff8880a9547580 R14: ffff8880a8bac800 R15: dffffc0000000000 [ 97.126189][T10832] FS: 0000000001283880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 97.135125][T10832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.141791][T10832] CR2: 0000000020003ac0 CR3: 00000000a84f3000 CR4: 00000000001406e0 [ 97.149812][T10832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.157989][T10832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.165970][T10832] Kernel panic - not syncing: Fatal exception [ 97.173169][T10832] Kernel Offset: disabled [ 97.178452][T10832] Rebooting in 86400 seconds..