[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.878108] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.692204] random: sshd: uninitialized urandom read (32 bytes read) [ 25.152215] random: sshd: uninitialized urandom read (32 bytes read) [ 25.714979] random: sshd: uninitialized urandom read (32 bytes read) [ 25.891675] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.61' (ECDSA) to the list of known hosts. [ 31.645258] random: sshd: uninitialized urandom read (32 bytes read) [ 31.759228] IPVS: ftp: loaded support on port[0] = 21 [ 31.763774] IPVS: ftp: loaded support on port[0] = 21 [ 31.774362] IPVS: ftp: loaded support on port[0] = 21 [ 31.776190] IPVS: ftp: loaded support on port[0] = 21 [ 31.781237] IPVS: ftp: loaded support on port[0] = 21 [ 31.786823] IPVS: ftp: loaded support on port[0] = 21 [ 31.790904] IPVS: ftp: loaded support on port[0] = 21 [ 31.796060] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.157318] kasan: CONFIG_KASAN_INLINE enabled [ 36.162100] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.169489] general protection fault: 0000 [#1] SMP KASAN [ 36.175030] CPU: 0 PID: 6495 Comm: syz-executor085 Not tainted 4.18.0-next-20180823+ #46 [ 36.183253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.192625] RIP: 0010:get_work_pool+0x19f/0x260 [ 36.197300] Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 a9 76 2d 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 00 00 00 48 8b 1b eb 99 e8 7d 76 2d 00 e8 c8 [ 36.216206] RSP: 0018:ffff8801aba86f40 EFLAGS: 00010006 [ 36.221570] RAX: dffffc0000000000 RBX: 00000000fffffe00 RCX: ffffffff814f4bca [ 36.228842] RDX: 000000001fffffc0 RSI: ffffffff814f4c47 RDI: 0000000000000007 [ 36.236114] RBP: ffff8801aba86fc0 R08: ffff8801c6560480 R09: ffffed003b6046de [ 36.243383] R10: ffffed003b6046de R11: ffff8801db0236f3 R12: 0000000000000004 [ 36.250829] R13: 1ffff10035750de8 R14: ffff8801aba86fa0 R15: 0000000000000000 [ 36.258106] FS: 0000000001a71880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 36.266335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.272219] CR2: 0000000020000300 CR3: 00000001b8d9f000 CR4: 00000000001406f0 [ 36.279501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.286783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.294056] Call Trace: [ 36.296658] ? destroy_delayed_work_on_stack+0x30/0x30 [ 36.301945] ? mod_timer+0x5f4/0x1340 [ 36.305790] __queue_work+0x319/0x12f0 [ 36.309688] ? print_usage_bug+0xc0/0xc0 [ 36.313749] ? graph_lock+0x170/0x170 [ 36.317564] ? flush_rcu_work+0x90/0x90 [ 36.321549] ? kasan_check_read+0x11/0x20 [ 36.325705] ? rcu_is_watching+0x8c/0x150 [ 36.329862] ? mark_held_locks+0xc9/0x160 [ 36.334016] ? __local_bh_enable_ip+0x161/0x230 [ 36.338691] ? __local_bh_enable_ip+0x161/0x230 [ 36.343365] ? trace_hardirqs_off+0xb8/0x2b0 [ 36.347801] ? xfrm_policy_insert+0xe66/0x16d0 [ 36.352400] ? trace_hardirqs_on+0x2c0/0x2c0 [ 36.356825] ? do_raw_spin_unlock+0xa7/0x2f0 [ 36.361236] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 36.365826] ? xfrm_policy_hash_rebuild+0x60/0x60 [ 36.370675] queue_work_on+0x19a/0x1e0 [ 36.374569] xfrm_policy_insert+0xe66/0x16d0 [ 36.378991] ? policy_hash_bysel+0xe70/0xe70 [ 36.383406] ? lock_acquire+0x1e4/0x4f0 [ 36.387383] ? xfrm_netlink_rcv+0x60/0x90 [ 36.391536] ? memcpy+0x45/0x50 [ 36.394820] ? copy_from_user_policy+0x110/0x2b0 [ 36.399579] ? xfrm_policy_construct+0x470/0x650 [ 36.404341] xfrm_add_policy+0x2c8/0x750 [ 36.408405] ? xfrm_policy_construct+0x650/0x650 [ 36.413167] ? validate_nla+0x7b0/0x7b0 [ 36.417143] ? ns_capable+0x22/0x30 [ 36.420783] ? __netlink_ns_capable+0x100/0x130 [ 36.425458] ? xfrm_policy_construct+0x650/0x650 [ 36.430231] xfrm_user_rcv_msg+0x455/0x8b0 [ 36.434472] ? xfrm_dump_sa_done+0xf0/0xf0 [ 36.438726] ? lock_downgrade+0x8f0/0x8f0 [ 36.442883] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 36.447922] netlink_rcv_skb+0x172/0x440 [ 36.451986] ? xfrm_dump_sa_done+0xf0/0xf0 [ 36.456225] ? netlink_ack+0xbe0/0xbe0 [ 36.460121] xfrm_netlink_rcv+0x6f/0x90 [ 36.464104] netlink_unicast+0x5a0/0x760 [ 36.468173] ? netlink_attachskb+0x9a0/0x9a0 [ 36.472592] netlink_sendmsg+0xa18/0xfc0 [ 36.476665] ? netlink_unicast+0x760/0x760 [ 36.479581] kasan: CONFIG_KASAN_INLINE enabled [ 36.480907] ? move_addr_to_kernel.part.18+0x100/0x100 [ 36.485473] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.490748] ? security_socket_sendmsg+0x94/0xc0 [ 36.502855] ? netlink_unicast+0x760/0x760 [ 36.507099] sock_sendmsg+0xd5/0x120 [ 36.510812] ___sys_sendmsg+0x7fd/0x930 [ 36.514787] ? copy_msghdr_from_user+0x580/0x580 [ 36.519538] ? lock_downgrade+0x8f0/0x8f0 [ 36.523680] ? lock_release+0x9f0/0x9f0 [ 36.527653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.533185] ? __fget_light+0x2f7/0x440 [ 36.537157] ? fget_raw+0x20/0x20 [ 36.540609] ? kasan_check_read+0x11/0x20 [ 36.544750] ? _copy_to_user+0xc8/0x110 [ 36.548728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.554258] ? move_addr_to_user+0xc9/0x200 [ 36.558583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.564114] ? sockfd_lookup_light+0xc5/0x160 [ 36.568604] __sys_sendmsg+0x11d/0x290 [ 36.572513] ? __ia32_sys_shutdown+0x80/0x80 [ 36.576920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.582456] ? __do_page_fault+0x449/0xe50 [ 36.586696] ? do_syscall_64+0x9a/0x820 [ 36.590669] ? do_syscall_64+0x9a/0x820 [ 36.594644] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 36.599748] __x64_sys_sendmsg+0x78/0xb0 [ 36.603807] do_syscall_64+0x1b9/0x820 [ 36.607691] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.613048] ? syscall_return_slowpath+0x5e0/0x5e0 [ 36.617976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.622816] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 36.627829] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.632844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.637688] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.642867] RIP: 0033:0x4413e9 [ 36.646060] Code: e8 6c e8 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 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.664954] RSP: 002b:00007fff4b61d4e8 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 36.672657] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004413e9 [ 36.679917] RDX: 000000000000c800 RSI: 0000000020000500 RDI: 0000000000000003 [ 36.687182] RBP: 0000000000008d14 R08: 0000000000000000 R09: 0000000000000000 [ 36.694442] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 36.701717] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 36.708999] Modules linked in: [ 36.712202] Dumping ftrace buffer: [ 36.715768] (ftrace buffer empty) [ 36.719506] ---[ end trace a4e75d8153a0d299 ]--- [ 36.719517] general protection fault: 0000 [#2] SMP KASAN [ 36.719534] CPU: 1 PID: 6632 Comm: syz-executor085 Tainted: G D 4.18.0-next-20180823+ #46 [ 36.724287] RIP: 0010:get_work_pool+0x19f/0x260 [ 36.729804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.739404] Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 a9 76 2d 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 00 00 00 48 8b 1b eb 99 e8 7d 76 2d 00 e8 c8 [ 36.744055] RIP: 0010:get_work_pool+0x19f/0x260 [ 36.753388] RSP: 0018:ffff8801aba86f40 EFLAGS: 00010006 [ 36.772456] Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 a9 76 2d 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 00 00 00 48 8b 1b eb 99 e8 7d 76 2d 00 e8 c8 [ 36.782446] RSP: 0018:ffff8801bdd76f40 EFLAGS: 00010046 [ 36.801329] RAX: dffffc0000000000 RBX: 00000000fffffe00 RCX: ffffffff814f4bca [ 36.806686] RDX: 000000001fffffc0 RSI: ffffffff814f4c47 RDI: 0000000000000007 [ 36.813937] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff814f4bca [ 36.821193] RBP: ffff8801aba86fc0 R08: ffff8801c6560480 R09: ffffed003b6046de [ 36.828447] RDX: 0000000000000000 RSI: ffffffff814f4c47 RDI: 0000000000000007 [ 36.835699] R10: ffffed003b6046de R11: ffff8801db0236f3 R12: 0000000000000004 [ 36.842950] RBP: ffff8801bdd76fc0 R08: ffff8801d44a2580 R09: ffffed0035d523be [ 36.850201] R13: 1ffff10035750de8 R14: ffff8801aba86fa0 R15: 0000000000000000 [ 36.857452] R10: ffffed0035d523be R11: ffff8801aea91df7 R12: 0000000000000004 [ 36.864710] FS: 0000000001a71880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 36.871963] R13: 1ffff10037baede8 R14: ffff8801bdd76fa0 R15: 0000000000000001 [ 36.880172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.887427] FS: 0000000001a71880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 36.893299] CR2: 0000000020000300 CR3: 00000001b8d9f000 CR4: 00000000001406f0 [ 36.901963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.909223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.915088] CR2: 0000000020000300 CR3: 00000001bb1d7000 CR4: 00000000001406e0 [ 36.922342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.929593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.936844] Kernel panic - not syncing: Fatal exception [ 36.944098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.957130] Call Trace: [ 36.959716] ? destroy_delayed_work_on_stack+0x30/0x30 [ 36.964991] ? mod_timer+0x5f4/0x1340 [ 36.968789] __queue_work+0x319/0x12f0 [ 36.972676] ? flush_rcu_work+0x90/0x90 [ 36.976640] ? do_raw_spin_unlock+0xa7/0x2f0 [ 36.981039] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 36.985612] ? __fib6_clean_all+0x224/0x420 [ 36.989928] ? __local_bh_enable_ip+0x161/0x230 [ 36.994586] ? __fib6_clean_all+0x2f1/0x420 [ 36.998899] ? xfrm_policy_insert+0x779/0x16d0 [ 37.003469] ? lock_downgrade+0x8f0/0x8f0 [ 37.007621] ? trace_hardirqs_off+0xb8/0x2b0 [ 37.012022] ? xfrm_policy_insert+0xe66/0x16d0 [ 37.016595] ? trace_hardirqs_on+0x2c0/0x2c0 [ 37.020998] ? do_raw_spin_unlock+0xa7/0x2f0 [ 37.025401] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 37.029973] ? xfrm_policy_hash_rebuild+0x60/0x60 [ 37.034807] queue_work_on+0x19a/0x1e0 [ 37.038688] xfrm_policy_insert+0xe66/0x16d0 [ 37.043090] ? policy_hash_bysel+0xe70/0xe70 [ 37.047500] ? lock_acquire+0x1e4/0x4f0 [ 37.051462] ? xfrm_netlink_rcv+0x60/0x90 [ 37.055640] ? memcpy+0x45/0x50 [ 37.059403] ? copy_from_user_policy+0x110/0x2b0 [ 37.064152] ? xfrm_policy_construct+0x470/0x650 [ 37.068900] xfrm_add_policy+0x2c8/0x750 [ 37.072952] ? xfrm_policy_construct+0x650/0x650 [ 37.077703] ? validate_nla+0x7b0/0x7b0 [ 37.081668] ? ns_capable+0x22/0x30 [ 37.085291] ? __netlink_ns_capable+0x100/0x130 [ 37.089952] ? xfrm_policy_construct+0x650/0x650 [ 37.094697] xfrm_user_rcv_msg+0x455/0x8b0 [ 37.098940] ? xfrm_dump_sa_done+0xf0/0xf0 [ 37.103168] ? lock_acquire+0x1e4/0x4f0 [ 37.107136] ? netlink_deliver_tap+0x32d/0xfb0 [ 37.111709] ? lock_downgrade+0x8f0/0x8f0 [ 37.115848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 37.120871] netlink_rcv_skb+0x172/0x440 [ 37.124922] ? xfrm_dump_sa_done+0xf0/0xf0 [ 37.129149] ? netlink_ack+0xbe0/0xbe0 [ 37.133036] xfrm_netlink_rcv+0x6f/0x90 [ 37.137005] netlink_unicast+0x5a0/0x760 [ 37.141059] ? netlink_attachskb+0x9a0/0x9a0 [ 37.145461] netlink_sendmsg+0xa18/0xfc0 [ 37.149530] ? netlink_unicast+0x760/0x760 [ 37.153760] ? move_addr_to_kernel.part.18+0x100/0x100 [ 37.159033] ? security_socket_sendmsg+0x94/0xc0 [ 37.163778] ? netlink_unicast+0x760/0x760 [ 37.168007] sock_sendmsg+0xd5/0x120 [ 37.171710] ___sys_sendmsg+0x7fd/0x930 [ 37.175708] ? trace_hardirqs_on+0xbd/0x2c0 [ 37.180039] ? copy_msghdr_from_user+0x580/0x580 [ 37.184799] ? lock_acquire+0x1e4/0x4f0 [ 37.188760] ? __might_fault+0x12b/0x1e0 [ 37.192818] ? lock_downgrade+0x8f0/0x8f0 [ 37.196956] ? lock_release+0x9f0/0x9f0 [ 37.200928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.206458] ? __fget_light+0x2f7/0x440 [ 37.210444] ? fget_raw+0x20/0x20 [ 37.213918] ? kasan_check_read+0x11/0x20 [ 37.218056] ? _copy_to_user+0xc8/0x110 [ 37.222023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.227554] ? move_addr_to_user+0xc9/0x200 [ 37.231873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.237402] ? sockfd_lookup_light+0xc5/0x160 [ 37.241893] __sys_sendmsg+0x11d/0x290 [ 37.245776] ? __ia32_sys_shutdown+0x80/0x80 [ 37.250183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.255712] ? __do_page_fault+0x449/0xe50 [ 37.259946] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 37.265049] __x64_sys_sendmsg+0x78/0xb0 [ 37.269105] do_syscall_64+0x1b9/0x820 [ 37.272986] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.278343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.283269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.288102] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 37.293109] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.298119] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.303132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.307970] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.313149] RIP: 0033:0x4413e9 [ 37.316336] Code: e8 6c e8 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 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 37.335227] RSP: 002b:00007fff4b61d4e8 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 37.342932] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004413e9 [ 37.350189] RDX: 000000000000c800 RSI: 0000000020000500 RDI: 0000000000000003 [ 37.357446] RBP: 0000000000008e66 R08: 0000000000000000 R09: 0000000000000000 [ 37.364705] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 37.371962] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 37.379222] Modules linked in: [ 37.382405] Dumping ftrace buffer: [ 37.385926] (ftrace buffer empty) [ 37.389632] ---[ end trace a4e75d8153a0d29a ]--- [ 37.394387] RIP: 0010:get_work_pool+0x19f/0x260 [ 37.399047] Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 a9 76 2d 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 00 00 00 48 8b 1b eb 99 e8 7d 76 2d 00 e8 c8 [ 37.417942] RSP: 0018:ffff8801aba86f40 EFLAGS: 00010006 [ 37.423294] RAX: dffffc0000000000 RBX: 00000000fffffe00 RCX: ffffffff814f4bca [ 37.430554] RDX: 000000001fffffc0 RSI: ffffffff814f4c47 RDI: 0000000000000007 [ 37.437815] RBP: ffff8801aba86fc0 R08: ffff8801c6560480 R09: ffffed003b6046de [ 37.445072] R10: ffffed003b6046de R11: ffff8801db0236f3 R12: 0000000000000004 [ 37.452329] R13: 1ffff10035750de8 R14: ffff8801aba86fa0 R15: 0000000000000000 [ 37.459593] FS: 0000000001a71880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 37.467810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.473693] CR2: 0000000020000300 CR3: 00000001bb1d7000 CR4: 00000000001406e0 [ 37.480958] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.488215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.039818] Shutting down cpus with NMI [ 38.044120] Dumping ftrace buffer: [ 38.047643] (ftrace buffer empty) [ 38.051329] Kernel Offset: disabled [ 38.054935] Rebooting in 86400 seconds..