[ 37.170616][ T26] audit: type=1800 audit(1547107931.295:27): pid=7533 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.195732][ T26] audit: type=1800 audit(1547107931.295:28): pid=7533 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 37.853758][ T26] audit: type=1800 audit(1547107932.035:29): pid=7533 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 37.874087][ T26] audit: type=1800 audit(1547107932.035:30): pid=7533 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 52.128278][T10446] ================================================================== [ 52.136488][T10446] BUG: KASAN: use-after-free in __xfrm_policy_unlink+0x9ec/0xa00 [ 52.144193][T10446] Write of size 8 at addr ffff88808f02d210 by task syz-executor236/10446 [ 52.152574][T10446] [ 52.154877][T10446] CPU: 1 PID: 10446 Comm: syz-executor236 Not tainted 5.0.0-rc1-next-20190110 #9 [ 52.163946][T10446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.173969][T10446] Call Trace: [ 52.177229][T10446] dump_stack+0x1db/0x2d0 [ 52.181528][T10446] ? dump_stack_print_info.cold+0x20/0x20 [ 52.187237][T10446] ? find_held_lock+0x35/0x120 [ 52.191985][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.197354][T10446] print_address_description.cold+0x7c/0x20d [ 52.203348][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.208699][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.214077][T10446] kasan_report.cold+0x1b/0x40 [ 52.218846][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.224193][T10446] __asan_report_store8_noabort+0x17/0x20 [ 52.229892][T10446] __xfrm_policy_unlink+0x9ec/0xa00 [ 52.235079][T10446] ? xfrm_policy_walk_done+0x360/0x360 [ 52.240529][T10446] ? __fib6_clean_all+0x300/0x430 [ 52.245560][T10446] ? xfrm_policy_byid+0x4a0/0x4a0 [ 52.250555][T10446] ? fib6_clean_tree+0x340/0x340 [ 52.255468][T10446] ? ipv6_route_yield+0x220/0x220 [ 52.260496][T10446] ? xfrm_pol_inexact_addr_use_any_list+0x1f0/0x1f0 [ 52.267071][T10446] xfrm_policy_insert+0x223/0x910 [ 52.272078][T10446] ? __fib6_clean_all+0x430/0x430 [ 52.277077][T10446] ? xfrm_policy_inexact_insert+0xda0/0xda0 [ 52.282957][T10446] ? copy_from_user_policy+0x110/0x2b0 [ 52.288383][T10446] ? xfrm_policy_construct+0x471/0x660 [ 52.293847][T10446] xfrm_add_policy+0x2a1/0x6c0 [ 52.298621][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.304854][T10446] ? xfrm_policy_construct+0x660/0x660 [ 52.310285][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.316523][T10446] ? __nla_parse+0x12a/0x340 [ 52.321102][T10446] ? nla_parse+0x45/0x60 [ 52.325388][T10446] ? xfrm_policy_construct+0x660/0x660 [ 52.330823][T10446] xfrm_user_rcv_msg+0x458/0x8d0 [ 52.335753][T10446] ? xfrm_dump_sa_done+0xf0/0xf0 [ 52.340668][T10446] ? xfrm_netlink_rcv+0x61/0x90 [ 52.345495][T10446] ? __mutex_lock+0x622/0x1670 [ 52.350248][T10446] netlink_rcv_skb+0x17d/0x410 [ 52.354987][T10446] ? xfrm_dump_sa_done+0xf0/0xf0 [ 52.359913][T10446] ? netlink_ack+0xba0/0xba0 [ 52.364472][T10446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 52.370431][T10446] xfrm_netlink_rcv+0x70/0x90 [ 52.375079][T10446] netlink_unicast+0x574/0x770 [ 52.379833][T10446] ? netlink_attachskb+0x980/0x980 [ 52.384935][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.391201][T10446] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 52.396924][T10446] netlink_sendmsg+0xa05/0xf90 [ 52.401659][T10446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.407885][T10446] ? netlink_unicast+0x770/0x770 [ 52.412793][T10446] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 52.418352][T10446] ? apparmor_socket_sendmsg+0x2a/0x30 [ 52.423788][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.430016][T10446] ? security_socket_sendmsg+0x93/0xc0 [ 52.435464][T10446] ? netlink_unicast+0x770/0x770 [ 52.440409][T10446] sock_sendmsg+0xdd/0x130 [ 52.444797][T10446] ___sys_sendmsg+0x7ec/0x910 [ 52.449459][T10446] ? copy_msghdr_from_user+0x570/0x570 [ 52.454916][T10446] ? find_held_lock+0x35/0x120 [ 52.459661][T10446] ? __fd_install+0x2a0/0x8c0 [ 52.464325][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.470536][T10446] ? lock_downgrade+0xbe0/0xbe0 [ 52.475370][T10446] ? kasan_check_read+0x11/0x20 [ 52.480197][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.486412][T10446] ? __fget_light+0x2db/0x420 [ 52.491057][T10446] ? fget_raw+0x20/0x20 [ 52.495184][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.501417][T10446] ? __fdget+0x1b/0x20 [ 52.505508][T10446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.511738][T10446] ? sockfd_lookup_light+0xc2/0x160 [ 52.516906][T10446] __sys_sendmsg+0x112/0x270 [ 52.521480][T10446] ? __ia32_sys_shutdown+0x80/0x80 [ 52.526596][T10446] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.532740][T10446] ? trace_hardirqs_off_caller+0x300/0x300 [ 52.538516][T10446] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.543947][T10446] __x64_sys_sendmsg+0x78/0xb0 [ 52.548680][T10446] do_syscall_64+0x1a3/0x800 [ 52.553254][T10446] ? syscall_return_slowpath+0x5f0/0x5f0 [ 52.558868][T10446] ? prepare_exit_to_usermode+0x232/0x3b0 [ 52.564558][T10446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.570106][T10446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.575998][T10446] RIP: 0033:0x442779 [ 52.579859][T10446] Code: e8 7c e7 ff ff 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 db 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.599428][T10446] RSP: 002b:00007ffe522f4cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.607802][T10446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442779 [ 52.615743][T10446] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000004 [ 52.623701][T10446] RBP: 0000000000000000 R08: 00000000000028c6 R09: 00000000000028c6 [ 52.631663][T10446] R10: 00000000000028c6 R11: 0000000000000246 R12: 00000000000001c5 [ 52.639604][T10446] R13: 000000000000cb7e R14: 0000000000000000 R15: 0000000000000000 [ 52.647565][T10446] [ 52.649880][T10446] Allocated by task 10443: [ 52.654277][T10446] save_stack+0x45/0xd0 [ 52.658408][T10446] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 52.664006][T10446] kasan_kmalloc+0x9/0x10 [ 52.668303][T10446] kmem_cache_alloc_trace+0x151/0x760 [ 52.673649][T10446] xfrm_policy_alloc+0xfb/0x530 [ 52.678491][T10446] xfrm_policy_construct+0x30/0x660 [ 52.683663][T10446] xfrm_add_policy+0x20a/0x6c0 [ 52.688445][T10446] xfrm_user_rcv_msg+0x458/0x8d0 [ 52.693359][T10446] netlink_rcv_skb+0x17d/0x410 [ 52.698091][T10446] xfrm_netlink_rcv+0x70/0x90 [ 52.702734][T10446] netlink_unicast+0x574/0x770 [ 52.707491][T10446] netlink_sendmsg+0xa05/0xf90 [ 52.712234][T10446] sock_sendmsg+0xdd/0x130 [ 52.716639][T10446] ___sys_sendmsg+0x7ec/0x910 [ 52.721298][T10446] __sys_sendmsg+0x112/0x270 [ 52.725878][T10446] __x64_sys_sendmsg+0x78/0xb0 [ 52.730659][T10446] do_syscall_64+0x1a3/0x800 [ 52.735235][T10446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.741090][T10446] [ 52.743424][T10446] Freed by task 9: [ 52.747177][T10446] save_stack+0x45/0xd0 [ 52.751311][T10446] __kasan_slab_free+0x102/0x150 [ 52.756229][T10446] kasan_slab_free+0xe/0x10 [ 52.760704][T10446] kfree+0xcf/0x230 [ 52.764487][T10446] xfrm_policy_destroy_rcu+0x48/0x60 [ 52.769786][T10446] rcu_core+0xc4a/0x1680 [ 52.774010][T10446] __do_softirq+0x30b/0xb11 [ 52.778494][T10446] [ 52.780794][T10446] The buggy address belongs to the object at ffff88808f02d200 [ 52.780794][T10446] which belongs to the cache kmalloc-1k of size 1024 [ 52.794816][T10446] The buggy address is located 16 bytes inside of [ 52.794816][T10446] 1024-byte region [ffff88808f02d200, ffff88808f02d600) [ 52.808074][T10446] The buggy address belongs to the page: [ 52.813689][T10446] page:ffffea00023c0b00 count:1 mapcount:0 mapping:ffff88812c3f0ac0 index:0x0 compound_mapcount: 0 [ 52.824340][T10446] flags: 0x1fffc0000010200(slab|head) [ 52.829683][T10446] raw: 01fffc0000010200 ffffea000219b688 ffffea0002526f88 ffff88812c3f0ac0 [ 52.838250][T10446] raw: 0000000000000000 ffff88808f02c000 0000000100000007 0000000000000000 [ 52.846801][T10446] page dumped because: kasan: bad access detected [ 52.853183][T10446] [ 52.855498][T10446] Memory state around the buggy address: [ 52.861096][T10446] ffff88808f02d100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.869149][T10446] ffff88808f02d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.877211][T10446] >ffff88808f02d200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.885240][T10446] ^ [ 52.889809][T10446] ffff88808f02d280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.897838][T10446] ffff88808f02d300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.905881][T10446] ================================================================== [ 52.913913][T10446] Disabling lock debugging due to kernel taint [ 52.920131][T10446] Kernel panic - not syncing: panic_on_warn set ... [ 52.926715][T10446] CPU: 1 PID: 10446 Comm: syz-executor236 Tainted: G B 5.0.0-rc1-next-20190110 #9 [ 52.937181][T10446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.947203][T10446] Call Trace: [ 52.950462][T10446] dump_stack+0x1db/0x2d0 [ 52.954762][T10446] ? dump_stack_print_info.cold+0x20/0x20 [ 52.960465][T10446] panic+0x2cb/0x65c [ 52.964357][T10446] ? add_taint.cold+0x16/0x16 [ 52.969030][T10446] ? trace_hardirqs_on+0xb4/0x310 [ 52.974019][T10446] ? trace_hardirqs_on+0xb4/0x310 [ 52.979143][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.984495][T10446] end_report+0x47/0x4f [ 52.988634][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 52.993987][T10446] kasan_report.cold+0xe/0x40 [ 52.998632][T10446] ? __xfrm_policy_unlink+0x9ec/0xa00 [ 53.003972][T10446] __asan_report_store8_noabort+0x17/0x20 [ 53.009659][T10446] __xfrm_policy_unlink+0x9ec/0xa00 [ 53.014826][T10446] ? xfrm_policy_walk_done+0x360/0x360 [ 53.020250][T10446] ? __fib6_clean_all+0x300/0x430 [ 53.025249][T10446] ? xfrm_policy_byid+0x4a0/0x4a0 [ 53.030253][T10446] ? fib6_clean_tree+0x340/0x340 [ 53.035168][T10446] ? ipv6_route_yield+0x220/0x220 [ 53.040167][T10446] ? xfrm_pol_inexact_addr_use_any_list+0x1f0/0x1f0 [ 53.046723][T10446] xfrm_policy_insert+0x223/0x910 [ 53.051715][T10446] ? __fib6_clean_all+0x430/0x430 [ 53.056726][T10446] ? xfrm_policy_inexact_insert+0xda0/0xda0 [ 53.062619][T10446] ? copy_from_user_policy+0x110/0x2b0 [ 53.068046][T10446] ? xfrm_policy_construct+0x471/0x660 [ 53.073476][T10446] xfrm_add_policy+0x2a1/0x6c0 [ 53.078207][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.084430][T10446] ? xfrm_policy_construct+0x660/0x660 [ 53.089869][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.096092][T10446] ? __nla_parse+0x12a/0x340 [ 53.100652][T10446] ? nla_parse+0x45/0x60 [ 53.104884][T10446] ? xfrm_policy_construct+0x660/0x660 [ 53.110345][T10446] xfrm_user_rcv_msg+0x458/0x8d0 [ 53.115277][T10446] ? xfrm_dump_sa_done+0xf0/0xf0 [ 53.120180][T10446] ? xfrm_netlink_rcv+0x61/0x90 [ 53.125001][T10446] ? __mutex_lock+0x622/0x1670 [ 53.129744][T10446] netlink_rcv_skb+0x17d/0x410 [ 53.134475][T10446] ? xfrm_dump_sa_done+0xf0/0xf0 [ 53.139379][T10446] ? netlink_ack+0xba0/0xba0 [ 53.143951][T10446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 53.149902][T10446] xfrm_netlink_rcv+0x70/0x90 [ 53.154570][T10446] netlink_unicast+0x574/0x770 [ 53.159313][T10446] ? netlink_attachskb+0x980/0x980 [ 53.164410][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.170635][T10446] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 53.176329][T10446] netlink_sendmsg+0xa05/0xf90 [ 53.181078][T10446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.187304][T10446] ? netlink_unicast+0x770/0x770 [ 53.192225][T10446] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 53.197740][T10446] ? apparmor_socket_sendmsg+0x2a/0x30 [ 53.203171][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.209380][T10446] ? security_socket_sendmsg+0x93/0xc0 [ 53.214813][T10446] ? netlink_unicast+0x770/0x770 [ 53.219727][T10446] sock_sendmsg+0xdd/0x130 [ 53.224111][T10446] ___sys_sendmsg+0x7ec/0x910 [ 53.228764][T10446] ? copy_msghdr_from_user+0x570/0x570 [ 53.234207][T10446] ? find_held_lock+0x35/0x120 [ 53.238957][T10446] ? __fd_install+0x2a0/0x8c0 [ 53.243603][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.249828][T10446] ? lock_downgrade+0xbe0/0xbe0 [ 53.254668][T10446] ? kasan_check_read+0x11/0x20 [ 53.259503][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.265718][T10446] ? __fget_light+0x2db/0x420 [ 53.270362][T10446] ? fget_raw+0x20/0x20 [ 53.274488][T10446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.280695][T10446] ? __fdget+0x1b/0x20 [ 53.284731][T10446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.290940][T10446] ? sockfd_lookup_light+0xc2/0x160 [ 53.296111][T10446] __sys_sendmsg+0x112/0x270 [ 53.300689][T10446] ? __ia32_sys_shutdown+0x80/0x80 [ 53.305782][T10446] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.311822][T10446] ? trace_hardirqs_off_caller+0x300/0x300 [ 53.317610][T10446] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.323053][T10446] __x64_sys_sendmsg+0x78/0xb0 [ 53.327787][T10446] do_syscall_64+0x1a3/0x800 [ 53.332348][T10446] ? syscall_return_slowpath+0x5f0/0x5f0 [ 53.337951][T10446] ? prepare_exit_to_usermode+0x232/0x3b0 [ 53.343656][T10446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.349213][T10446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.355078][T10446] RIP: 0033:0x442779 [ 53.358949][T10446] Code: e8 7c e7 ff ff 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 db 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.378538][T10446] RSP: 002b:00007ffe522f4cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.386937][T10446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442779 [ 53.394890][T10446] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000004 [ 53.402837][T10446] RBP: 0000000000000000 R08: 00000000000028c6 R09: 00000000000028c6 [ 53.410806][T10446] R10: 00000000000028c6 R11: 0000000000000246 R12: 00000000000001c5 [ 53.418757][T10446] R13: 000000000000cb7e R14: 0000000000000000 R15: 0000000000000000 [ 53.427600][T10446] Kernel Offset: disabled [ 53.431912][T10446] Rebooting in 86400 seconds..