[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 79.295752][ T27] audit: type=1800 audit(1579952871.860:25): pid=9463 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 79.329421][ T27] audit: type=1800 audit(1579952871.860:26): pid=9463 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 79.363941][ T27] audit: type=1800 audit(1579952871.860:27): pid=9463 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 '10.128.0.76' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 91.461852][ T9622] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.473590][ T9622] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.492188][ T9625] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. executing program executing program [ 91.503724][ T9625] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.519646][ T9628] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.531174][ T9628] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.548035][ T9631] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. executing program executing program executing program executing program [ 91.560158][ T9631] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.576087][ T9634] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.593584][ T9638] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor565'. [ 91.620464][ T9647] ------------[ cut here ]------------ [ 91.626075][ T9647] WARNING: CPU: 0 PID: 9647 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list+0x3b7/0xd10 [ 91.636419][ T9647] Kernel panic - not syncing: panic_on_warn set ... [ 91.642997][ T9647] CPU: 0 PID: 9647 Comm: syz-executor565 Not tainted 5.5.0-rc7-syzkaller #0 [ 91.651645][ T9647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.661680][ T9647] Call Trace: [ 91.664966][ T9647] dump_stack+0x197/0x210 [ 91.669279][ T9647] ? xfrm_policy_insert_list+0x2e0/0xd10 [ 91.675060][ T9647] panic+0x2e3/0x75c [ 91.678955][ T9647] ? add_taint.cold+0x16/0x16 [ 91.683622][ T9647] ? printk+0xba/0xed [ 91.687596][ T9647] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 91.693041][ T9647] ? __warn.cold+0x14/0x3e [ 91.697438][ T9647] ? __warn+0xd9/0x1cf [ 91.701490][ T9647] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 91.707105][ T9647] __warn.cold+0x2f/0x3e [ 91.711330][ T9647] ? report_bug.cold+0x63/0xb2 [ 91.716078][ T9647] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 91.721697][ T9647] report_bug+0x289/0x300 [ 91.726038][ T9647] do_error_trap+0x11b/0x200 [ 91.730632][ T9647] do_invalid_op+0x37/0x50 [ 91.735550][ T9647] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 91.741176][ T9647] invalid_op+0x23/0x30 [ 91.745319][ T9647] RIP: 0010:xfrm_policy_insert_list+0x3b7/0xd10 [ 91.751553][ T9647] Code: 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 0f 8c cf fd ff ff 84 d2 0f 84 c7 fd ff ff e8 d3 e8 f8 fa e9 bd fd ff ff e8 89 24 bb fa <0f> 0b 48 8b 45 c0 0f b6 10 48 8b 45 c8 83 e0 07 83 c0 03 38 d0 7c [ 91.771143][ T9647] RSP: 0018:ffffc900021ff508 EFLAGS: 00010293 [ 91.777326][ T9647] RAX: ffff888095c5e2c0 RBX: ffff88809e42a000 RCX: ffffffff86b9d56f [ 91.785319][ T9647] RDX: 0000000000000000 RSI: ffffffff86b9d2d7 RDI: ffff88809e42a220 [ 91.793305][ T9647] RBP: ffffc900021ff580 R08: ffff888095c5e2c0 R09: ffff888095c5eb50 [ 91.801259][ T9647] R10: fffff5200043feb4 R11: ffffffff8a7b4e07 R12: dffffc0000000000 [ 91.809213][ T9647] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 91.817179][ T9647] ? xfrm_policy_insert_list+0x64f/0xd10 [ 91.822792][ T9647] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 91.828536][ T9647] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 91.834152][ T9647] xfrm_policy_inexact_insert+0xef/0xba0 [ 91.840114][ T9647] ? rwlock_bug.part.0+0x90/0x90 [ 91.845028][ T9647] ? lock_acquire+0x190/0x410 [ 91.849701][ T9647] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 91.855574][ T9647] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 91.861273][ T9647] ? policy_hash_bysel+0x129/0xce0 [ 91.866364][ T9647] xfrm_policy_insert+0x597/0x7f0 [ 91.871370][ T9647] xfrm_add_policy+0x28f/0x580 [ 91.876113][ T9647] ? xfrm_policy_construct+0x680/0x680 [ 91.881549][ T9647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.887772][ T9647] ? ns_capable_common+0x93/0x100 [ 91.892782][ T9647] ? __nla_parse+0x43/0x60 [ 91.897187][ T9647] ? xfrm_policy_construct+0x680/0x680 [ 91.902643][ T9647] xfrm_user_rcv_msg+0x459/0x770 [ 91.907561][ T9647] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 91.913287][ T9647] ? __mutex_lock+0x458/0x13c0 [ 91.918028][ T9647] ? find_held_lock+0x35/0x130 [ 91.922771][ T9647] ? xfrm_netlink_rcv+0x61/0x90 [ 91.927603][ T9647] netlink_rcv_skb+0x177/0x450 [ 91.932347][ T9647] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 91.938047][ T9647] ? netlink_ack+0xb50/0xb50 [ 91.942640][ T9647] xfrm_netlink_rcv+0x70/0x90 [ 91.947296][ T9647] netlink_unicast+0x58c/0x7d0 [ 91.952040][ T9647] ? netlink_attachskb+0x870/0x870 [ 91.957128][ T9647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.962841][ T9647] ? __check_object_size+0x3d/0x437 [ 91.968129][ T9647] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.973833][ T9647] netlink_sendmsg+0x91c/0xea0 [ 91.978577][ T9647] ? netlink_unicast+0x7d0/0x7d0 [ 91.983506][ T9647] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.989045][ T9647] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.994492][ T9647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.000711][ T9647] ? security_socket_sendmsg+0x8d/0xc0 [ 92.006160][ T9647] ? netlink_unicast+0x7d0/0x7d0 [ 92.011346][ T9647] sock_sendmsg+0xd7/0x130 [ 92.015745][ T9647] __sys_sendto+0x262/0x380 [ 92.020229][ T9647] ? __ia32_sys_getpeername+0xb0/0xb0 [ 92.025590][ T9647] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 92.031782][ T9647] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.037308][ T9647] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 92.043284][ T9647] ? __x64_sys_futex+0x404/0x590 [ 92.048206][ T9647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.053646][ T9647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.059084][ T9647] ? do_syscall_64+0x26/0x790 [ 92.063739][ T9647] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.069829][ T9647] __x64_sys_sendto+0xe1/0x1a0 [ 92.074615][ T9647] do_syscall_64+0xfa/0x790 [ 92.079099][ T9647] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.084969][ T9647] RIP: 0033:0x446b59 [ 92.088879][ T9647] Code: e8 5c b3 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.108568][ T9647] RSP: 002b:00007f0f3e8d9d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 92.117069][ T9647] RAX: ffffffffffffffda RBX: 00000000006dbc58 RCX: 0000000000446b59 [ 92.125019][ T9647] RDX: 000000000000ff3b RSI: 0000000020000000 RDI: 0000000000000008 [ 92.132969][ T9647] RBP: 00000000006dbc50 R08: 0000000000000000 R09: 00000000000002e2 [ 92.140929][ T9647] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc5c [ 92.148878][ T9647] R13: 0d1d00190000a01b R14: 0000000000000000 R15: 00000000000000fd [ 92.158217][ T9647] Kernel Offset: disabled [ 92.162607][ T9647] Rebooting in 86400 seconds..