kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 15477 Comm: kworker/1:1 Not tainted 4.13.0-rc5+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events netlink_sock_destruct_work task: ffff8801c28ce580 task.stack: ffff8801a7e10000 RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: 0018:ffff8801a7e170b8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801aa2632e0 RDI: ffff8801aa2632e8 RBP: ffff8801a7e170d0 R08: ffffffff86e0ba58 R09: ffff8801a7e16a18 R10: ffff8801a7e16f98 R11: 1ffff10038519f0b R12: 0000000000000000 R13: ffff8801a7e17198 R14: ffff8801aa0d59b8 R15: ffff8801aa2632e8 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000022e5cd8 CR3: 00000001d4b81000 CR4: 00000000001406e0 Call Trace: __list_del_entry include/linux/list.h:116 [inline] list_del include/linux/list.h:124 [inline] xfrm_policy_walk_done+0xfa/0x310 net/xfrm/xfrm_policy.c:1049 xfrm_dump_policy_done+0x73/0xa0 net/xfrm/xfrm_user.c:1690 netlink_sock_destruct+0xfa/0x3c0 net/netlink/af_netlink.c:362 netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 60 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3820 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 60 bytes leftover after parsing attributes in process `syz-executor4'. __sk_destruct+0xfd/0x910 net/core/sock.c:1570 sk_destruct+0x47/0x80 net/core/sock.c:1605 __sk_free+0x57/0x230 net/core/sock.c:1613 sk_free+0x2a/0x40 net/core/sock.c:1624 netlink_sock_destruct_work+0x19/0x20 net/netlink/af_netlink.c:384 process_one_work+0xbf3/0x1bc0 kernel/workqueue.c:2097 worker_thread+0x223/0x1860 kernel/workqueue.c:2231 kthread+0x35e/0x430 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:425 Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff8801a7e170b8 ---[ end trace 87a6955e7c8121af ]---