[ 146.902728][ T33] audit: type=1400 audit(1582361843.956:37): avc: denied { watch } for pid=11972 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16180 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 146.964789][ T33] audit: type=1400 audit(1582361843.986:38): avc: denied { watch } for pid=11972 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. [ 147.561785][ T33] audit: type=1800 audit(1582361844.606:39): pid=11883 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 [ 147.589879][ T33] audit: type=1800 audit(1582361844.636:40): pid=11883 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: [ 151.889281][ T33] audit: type=1400 audit(1582361848.936:41): avc: denied { map } for pid=12057 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 '10.128.0.10' (ECDSA) to the list of known hosts. executing program [ 162.689337][ T33] audit: type=1400 audit(1582361859.736:42): avc: denied { map } for pid=12069 comm="syz-executor170" path="/root/syz-executor170068393" 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 [ 162.708269][T12069] ===================================================== [ 162.716650][ T33] audit: type=1305 audit(1582361859.736:43): op=set audit_pid=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 162.723366][T12069] BUG: KMSAN: uninit-value in string+0x522/0x690 [ 162.723388][T12069] CPU: 1 PID: 12069 Comm: syz-executor170 Not tainted 5.6.0-rc2-syzkaller #0 [ 162.723397][T12069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.723405][T12069] Call Trace: [ 162.723432][T12069] dump_stack+0x1c9/0x220 [ 162.723470][T12069] kmsan_report+0xf7/0x1e0 [ 162.723504][T12069] __msan_warning+0x58/0xa0 [ 162.723575][T12069] string+0x522/0x690 [ 162.739616][ T33] audit: type=1305 audit(1582361859.736:44): op=set audit_rate_limit=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 162.746023][T12069] vsnprintf+0x207d/0x31b0 [ 162.746120][T12069] audit_log_vformat+0x583/0xcd0 [ 162.755043][ T33] audit: type=1305 audit(1582361859.736:45): op=set audit_backlog_limit=0 old=64 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 162.764973][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.765000][T12069] audit_log_format+0x220/0x260 [ 162.765056][T12069] ? audit_log_common_recv_msg+0x3de/0x4b0 [ 162.845106][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.850911][T12069] audit_receive+0x3688/0x6be0 [ 162.855680][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.861484][T12069] ? netlink_deliver_tap+0xc7/0xea0 [ 162.866711][T12069] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 162.872790][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 162.877992][T12069] netlink_unicast+0xf9e/0x1100 [ 162.882851][T12069] ? audit_net_exit+0xd0/0xd0 [ 162.887536][T12069] netlink_sendmsg+0x1246/0x14d0 [ 162.892510][T12069] ? netlink_getsockopt+0x1440/0x1440 [ 162.897917][T12069] ____sys_sendmsg+0x12b6/0x1350 [ 162.902915][T12069] __sys_sendmsg+0x451/0x5f0 [ 162.907528][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 162.912732][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 162.917926][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.923727][T12069] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 162.929830][T12069] ? prepare_exit_to_usermode+0x1ca/0x520 [ 162.935579][T12069] ? kmsan_get_metadata+0x4f/0x180 [ 162.940728][T12069] ? kmsan_get_metadata+0x4f/0x180 [ 162.945871][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.951680][T12069] __ia32_compat_sys_sendmsg+0xed/0x130 [ 162.957230][T12069] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 162.962772][T12069] do_fast_syscall_32+0x3c7/0x6e0 [ 162.967830][T12069] entry_SYSENTER_compat+0x68/0x77 [ 162.972932][T12069] RIP: 0023:0xf7f12d99 [ 162.976992][T12069] Code: 90 e8 0b 00 00 00 f3 90 0f ae e8 eb f9 8d 74 26 00 89 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 162.996608][T12069] RSP: 002b:00000000ffadf8ac EFLAGS: 00000246 ORIG_RAX: 0000000000000172 [ 163.005019][T12069] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000200 [ 163.012979][T12069] RDX: 0000000000000000 RSI: 00000000080ea080 RDI: 00000000ffadf900 [ 163.020940][T12069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 163.028905][T12069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 163.036866][T12069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 163.044845][T12069] [ 163.047160][T12069] Uninit was created at: [ 163.051397][T12069] kmsan_internal_poison_shadow+0x66/0xd0 [ 163.057110][T12069] kmsan_slab_alloc+0x8a/0xe0 [ 163.061792][T12069] __kmalloc_node_track_caller+0xb40/0x1200 [ 163.067695][T12069] __alloc_skb+0x2fd/0xac0 [ 163.072110][T12069] netlink_sendmsg+0x7d3/0x14d0 [ 163.076956][T12069] ____sys_sendmsg+0x12b6/0x1350 [ 163.081897][T12069] __sys_sendmsg+0x451/0x5f0 [ 163.086492][T12069] __ia32_compat_sys_sendmsg+0xed/0x130 [ 163.092080][T12069] do_fast_syscall_32+0x3c7/0x6e0 [ 163.097179][T12069] entry_SYSENTER_compat+0x68/0x77 [ 163.102273][T12069] ===================================================== [ 163.109212][T12069] Disabling lock debugging due to kernel taint [ 163.115785][T12069] Kernel panic - not syncing: panic_on_warn set ... [ 163.122367][T12069] CPU: 1 PID: 12069 Comm: syz-executor170 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 163.132499][T12069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.142537][T12069] Call Trace: [ 163.145827][T12069] dump_stack+0x1c9/0x220 [ 163.150166][T12069] panic+0x3d5/0xc3e [ 163.154105][T12069] kmsan_report+0x1df/0x1e0 [ 163.158646][T12069] __msan_warning+0x58/0xa0 [ 163.163184][T12069] string+0x522/0x690 [ 163.167214][T12069] vsnprintf+0x207d/0x31b0 [ 163.171652][T12069] audit_log_vformat+0x583/0xcd0 [ 163.176607][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.182410][T12069] audit_log_format+0x220/0x260 [ 163.187321][T12069] ? audit_log_common_recv_msg+0x3de/0x4b0 [ 163.193134][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.198936][T12069] audit_receive+0x3688/0x6be0 [ 163.203704][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.209505][T12069] ? netlink_deliver_tap+0xc7/0xea0 [ 163.214702][T12069] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 163.220783][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 163.225986][T12069] netlink_unicast+0xf9e/0x1100 [ 163.230841][T12069] ? audit_net_exit+0xd0/0xd0 [ 163.235528][T12069] netlink_sendmsg+0x1246/0x14d0 [ 163.240491][T12069] ? netlink_getsockopt+0x1440/0x1440 [ 163.245858][T12069] ____sys_sendmsg+0x12b6/0x1350 [ 163.250861][T12069] __sys_sendmsg+0x451/0x5f0 [ 163.255514][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 163.260708][T12069] ? kmsan_get_metadata+0x11d/0x180 [ 163.265905][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.271749][T12069] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 163.277858][T12069] ? prepare_exit_to_usermode+0x1ca/0x520 [ 163.283576][T12069] ? kmsan_get_metadata+0x4f/0x180 [ 163.288688][T12069] ? kmsan_get_metadata+0x4f/0x180 [ 163.293864][T12069] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.299685][T12069] __ia32_compat_sys_sendmsg+0xed/0x130 [ 163.305244][T12069] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 163.310793][T12069] do_fast_syscall_32+0x3c7/0x6e0 [ 163.315839][T12069] entry_SYSENTER_compat+0x68/0x77 [ 163.321033][T12069] RIP: 0023:0xf7f12d99 [ 163.325097][T12069] Code: 90 e8 0b 00 00 00 f3 90 0f ae e8 eb f9 8d 74 26 00 89 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 163.344692][T12069] RSP: 002b:00000000ffadf8ac EFLAGS: 00000246 ORIG_RAX: 0000000000000172 [ 163.353096][T12069] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000200 [ 163.361058][T12069] RDX: 0000000000000000 RSI: 00000000080ea080 RDI: 00000000ffadf900 [ 163.369026][T12069] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 163.376987][T12069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 163.384952][T12069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 163.393999][T12069] Kernel Offset: 0x9c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 163.405535][T12069] Rebooting in 86400 seconds..