[ 100.977207][ T27] audit: type=1400 audit(1578522979.605:37): avc: denied { watch } for pid=10249 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 [ 101.002257][ T27] audit: type=1400 audit(1578522979.605:38): avc: denied { watch } for pid=10249 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. [ 101.347203][ T27] audit: type=1800 audit(1578522979.975:39): pid=10161 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 [ 101.369439][ T27] audit: type=1800 audit(1578522979.975:40): pid=10161 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: [ 104.964044][ T27] audit: type=1400 audit(1578522983.595:41): avc: denied { map } for pid=10338 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 '10.128.0.189' (ECDSA) to the list of known hosts. [ 111.712868][ T27] audit: type=1400 audit(1578522990.335:42): avc: denied { map } for pid=10350 comm="syz-executor166" path="/root/syz-executor166312967" 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 [ 111.717328][T10350] kasan: CONFIG_KASAN_INLINE enabled [ 111.740109][ T27] audit: type=1400 audit(1578522990.335:43): avc: denied { create } for pid=10350 comm="syz-executor166" 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 [ 111.745373][T10350] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 111.745391][T10350] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 111.745414][T10350] CPU: 1 PID: 10350 Comm: syz-executor166 Not tainted 5.5.0-rc5-syzkaller #0 executing program [ 111.772781][ T27] audit: type=1400 audit(1578522990.335:44): avc: denied { write } for pid=10350 comm="syz-executor166" 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 [ 111.778335][T10350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.778357][T10350] RIP: 0010:hash_mac4_uadt+0x1bc/0x470 [ 111.778371][T10350] Code: 11 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 5c 02 00 00 4c 89 f2 8b 48 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1a [ 111.778376][T10350] RSP: 0018:ffffc90001e071b0 EFLAGS: 00010246 [ 111.778386][T10350] RAX: dffffc0000000000 RBX: ffffc90001e07320 RCX: 0000000008000000 [ 111.778392][T10350] RDX: 0000000000000000 RSI: ffffffff867f5cd5 RDI: ffff888081801904 [ 111.778407][T10350] RBP: ffffc90001e072b8 R08: 0000000000000000 R09: 0000000000000000 [ 111.884048][T10350] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff8880a1aa1200 [ 111.891997][T10350] R13: 1ffff920003c0e3a R14: 0000000000000000 R15: ffffc90001e07200 [ 111.899957][T10350] FS: 0000000001ea6880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 111.908863][T10350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.915422][T10350] CR2: 0000000020000f98 CR3: 000000008bab8000 CR4: 00000000001406e0 [ 111.923375][T10350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.931333][T10350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.939288][T10350] Call Trace: [ 111.942837][T10350] ? hash_mac_create+0x860/0x860 [ 111.947827][T10350] ? hash_mac4_kadt+0x510/0x510 [ 111.952710][T10350] ? nla_memcpy+0xb0/0xb0 [ 111.957030][T10350] ? lock_acquire+0x190/0x410 [ 111.961725][T10350] ? __kasan_check_read+0x11/0x20 [ 111.966863][T10350] ip_set_utest+0x55b/0x890 [ 111.971351][T10350] ? ip_set_put_byindex+0x490/0x490 [ 111.976534][T10350] ? __mutex_lock+0x458/0x13c0 [ 111.981288][T10350] ? ip_set_put_byindex+0x490/0x490 [ 111.986468][T10350] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 111.991387][T10350] ? nfnetlink_bind+0x2c0/0x2c0 [ 111.996217][T10350] ? avc_has_extended_perms+0x10f0/0x10f0 [ 112.001917][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.008148][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.014365][T10350] ? cred_has_capability+0x199/0x330 [ 112.019635][T10350] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 112.025255][T10350] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 112.030863][T10350] ? __check_heap_object+0x93/0xb3 [ 112.036033][T10350] ? __lock_acquire+0x8a0/0x4a00 [ 112.041021][T10350] netlink_rcv_skb+0x177/0x450 [ 112.045816][T10350] ? nfnetlink_bind+0x2c0/0x2c0 [ 112.050689][T10350] ? netlink_ack+0xb50/0xb50 [ 112.055272][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.061503][T10350] ? ns_capable_common+0x93/0x100 [ 112.066511][T10350] ? ns_capable+0x20/0x30 [ 112.070821][T10350] ? __netlink_ns_capable+0x104/0x140 [ 112.076189][T10350] nfnetlink_rcv+0x1ba/0x460 [ 112.080771][T10350] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 112.086211][T10350] ? netlink_deliver_tap+0x24a/0xbe0 [ 112.091490][T10350] ? __kasan_check_write+0x14/0x20 [ 112.096595][T10350] netlink_unicast+0x58c/0x7d0 [ 112.101346][T10350] ? netlink_attachskb+0x870/0x870 [ 112.107135][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.113367][T10350] netlink_sendmsg+0x91c/0xea0 [ 112.118112][T10350] ? netlink_unicast+0x7d0/0x7d0 [ 112.123049][T10350] ? tomoyo_socket_sendmsg+0x26/0x30 [ 112.128342][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.134566][T10350] ? security_socket_sendmsg+0x8d/0xc0 [ 112.140008][T10350] ? netlink_unicast+0x7d0/0x7d0 [ 112.144934][T10350] sock_sendmsg+0xd7/0x130 [ 112.149332][T10350] ____sys_sendmsg+0x753/0x880 [ 112.154075][T10350] ? kernel_sendmsg+0x50/0x50 [ 112.158734][T10350] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 112.164873][T10350] ___sys_sendmsg+0x100/0x170 [ 112.169532][T10350] ? sendmsg_copy_msghdr+0x70/0x70 [ 112.174620][T10350] ? __kasan_check_read+0x11/0x20 [ 112.179621][T10350] ? __lock_acquire+0x8a0/0x4a00 [ 112.184538][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.190792][T10350] ? __this_cpu_preempt_check+0x35/0x190 [ 112.196408][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.202624][T10350] ? percpu_counter_add_batch+0x13c/0x190 [ 112.208353][T10350] ? __fd_install+0x1bc/0x640 [ 112.213108][T10350] ? find_held_lock+0x35/0x130 [ 112.217881][T10350] ? __fd_install+0x1bc/0x640 [ 112.222600][T10350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.228889][T10350] ? __fget_light+0x1a9/0x230 [ 112.233560][T10350] ? __fdget+0x1b/0x20 [ 112.237615][T10350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 112.243841][T10350] __sys_sendmsg+0x105/0x1d0 [ 112.248435][T10350] ? __sys_sendmsg_sock+0xc0/0xc0 [ 112.253466][T10350] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 112.258903][T10350] ? do_syscall_64+0x26/0x790 [ 112.263574][T10350] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.269631][T10350] ? do_syscall_64+0x26/0x790 [ 112.274303][T10350] __x64_sys_sendmsg+0x78/0xb0 [ 112.279056][T10350] do_syscall_64+0xfa/0x790 [ 112.283547][T10350] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.289413][T10350] RIP: 0033:0x440b49 [ 112.293286][T10350] 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 [ 112.312878][T10350] RSP: 002b:00007fff26fb3c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.321331][T10350] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440b49 [ 112.329284][T10350] RDX: 0000000000000800 RSI: 00000000200001c0 RDI: 0000000000000004 [ 112.337235][T10350] RBP: 00000000006cb018 R08: 0000000000000002 R09: 00000000004002c8 [ 112.345186][T10350] R10: 0000000000000009 R11: 0000000000000246 R12: 00000000004023d0 [ 112.353186][T10350] R13: 0000000000402460 R14: 0000000000000000 R15: 0000000000000000 [ 112.361257][T10350] Modules linked in: [ 112.365244][T10350] ---[ end trace 5001da033e9fe380 ]--- [ 112.370706][T10350] RIP: 0010:hash_mac4_uadt+0x1bc/0x470 [ 112.376181][T10350] Code: 11 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 5c 02 00 00 4c 89 f2 8b 48 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1a [ 112.395967][T10350] RSP: 0018:ffffc90001e071b0 EFLAGS: 00010246 [ 112.402053][T10350] RAX: dffffc0000000000 RBX: ffffc90001e07320 RCX: 0000000008000000 [ 112.410033][T10350] RDX: 0000000000000000 RSI: ffffffff867f5cd5 RDI: ffff888081801904 [ 112.418011][T10350] RBP: ffffc90001e072b8 R08: 0000000000000000 R09: 0000000000000000 [ 112.426005][T10350] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff8880a1aa1200 [ 112.433984][T10350] R13: 1ffff920003c0e3a R14: 0000000000000000 R15: ffffc90001e07200 [ 112.441937][T10350] FS: 0000000001ea6880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 112.450873][T10350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.457460][T10350] CR2: 0000000020000f98 CR3: 000000008bab8000 CR4: 00000000001406e0 [ 112.465438][T10350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.473427][T10350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 112.481379][T10350] Kernel panic - not syncing: Fatal exception in interrupt [ 112.490040][T10350] Kernel Offset: disabled [ 112.494386][T10350] Rebooting in 86400 seconds..