[?25l[?1c7[ ok 8[?25h[?0c. [ 104.631154] audit: type=1800 audit(1555933457.674:25): pid=10956 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 104.655715] audit: type=1800 audit(1555933457.704:26): pid=10956 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 104.691943] audit: type=1800 audit(1555933457.734:27): pid=10956 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 118.155845] ================================================================== [ 118.163280] BUG: KMSAN: uninit-value in rds_bind+0x1ad/0x2520 [ 118.169166] CPU: 0 PID: 11108 Comm: syz-executor924 Not tainted 5.1.0-rc4+ #1 [ 118.176429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.185782] Call Trace: [ 118.188377] dump_stack+0x173/0x1d0 [ 118.192045] kmsan_report+0x131/0x2a0 [ 118.195886] __msan_warning+0x7a/0xf0 [ 118.199694] rds_bind+0x1ad/0x2520 [ 118.203242] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.208709] ? aa_sk_perm+0x741/0xb00 [ 118.232080] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.237593] ? apparmor_socket_bind+0x12b/0x2d0 [ 118.242301] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.247600] ? rds_remove_bound+0x890/0x890 [ 118.251932] __sys_bind+0x60b/0x7c0 [ 118.255607] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 118.261055] ? prepare_exit_to_usermode+0x114/0x420 [ 118.266086] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.271269] ? syscall_return_slowpath+0x50/0x650 [ 118.276118] __se_sys_bind+0x8d/0xb0 [ 118.279834] __x64_sys_bind+0x4a/0x70 [ 118.283651] do_syscall_64+0xbc/0xf0 [ 118.287402] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 118.292949] RIP: 0033:0x440179 [ 118.296146] 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 [ 118.315046] RSP: 002b:00007fffafa1f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 118.322760] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440179 [ 118.330216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 118.337487] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 118.344781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a00 [ 118.352051] R13: 0000000000401a90 R14: 0000000000000000 R15: 0000000000000000 [ 118.359342] [ 118.360962] Local variable description: ----address@__sys_bind [ 118.366919] Variable was created at: [ 118.370639] __sys_bind+0x87/0x7c0 [ 118.374185] __se_sys_bind+0x8d/0xb0 [ 118.386748] ================================================================== [ 118.394102] Disabling lock debugging due to kernel taint [ 118.399642] Kernel panic - not syncing: panic_on_warn set ... [ 118.405531] CPU: 0 PID: 11108 Comm: syz-executor924 Tainted: G B 5.1.0-rc4+ #1 [ 118.414190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.423569] Call Trace: [ 118.426165] dump_stack+0x173/0x1d0 [ 118.429799] panic+0x3d1/0xb01 [ 118.433019] kmsan_report+0x29a/0x2a0 [ 118.436850] __msan_warning+0x7a/0xf0 [ 118.440655] rds_bind+0x1ad/0x2520 [ 118.444198] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.449581] ? aa_sk_perm+0x741/0xb00 [ 118.453396] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.458578] ? apparmor_socket_bind+0x12b/0x2d0 [ 118.463274] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.468464] ? rds_remove_bound+0x890/0x890 [ 118.472778] __sys_bind+0x60b/0x7c0 [ 118.476412] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 118.481863] ? prepare_exit_to_usermode+0x114/0x420 [ 118.486875] ? kmsan_get_shadow_origin_ptr+0x73/0x480 [ 118.492061] ? syscall_return_slowpath+0x50/0x650 [ 118.496920] __se_sys_bind+0x8d/0xb0 [ 118.500640] __x64_sys_bind+0x4a/0x70 [ 118.511512] do_syscall_64+0xbc/0xf0 [ 118.515238] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 118.520440] RIP: 0033:0x440179 [ 118.523634] 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 [ 118.542537] RSP: 002b:00007fffafa1f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 118.550245] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440179 [ 118.557517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 118.564784] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 118.572052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a00 [ 118.579326] R13: 0000000000401a90 R14: 0000000000000000 R15: 0000000000000000 [ 118.587705] Kernel Offset: disabled [ 118.591356] Rebooting in 86400 seconds..