kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 23623 Comm: syz-executor7 Not tainted 4.18.0-rc1+ #109 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:get_work_pool+0x19f/0x260 kernel/workqueue.c:716 Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 d9 bd 2c 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 ad bd 2c 00 e8 48 RSP: 0018:ffff8801cdfdef60 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: ffffc90007e2c000 RDX: 00000003ffffffc0 RSI: ffffffff814eecc7 RDI: 0000000000000007 RBP: ffff8801cdfdefe0 R08: ffff8801d68fa280 R09: ffffed003b5e46d6 R10: ffffed003b5e46d6 R11: ffff8801daf236b3 R12: 0000000000000004 R13: 1ffff10039bfbdec R14: ffff8801cdfdefc0 R15: 0000000000000001 FS: 00007fc9256f0700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 00000001779a1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __queue_work+0x319/0x1410 kernel/workqueue.c:1401 queue_work_on+0x19a/0x1e0 kernel/workqueue.c:1486 queue_work include/linux/workqueue.h:512 [inline] schedule_work include/linux/workqueue.h:570 [inline] xfrm_policy_insert+0xe85/0x1680 net/xfrm/xfrm_policy.c:795 xfrm_add_policy+0x2c8/0x750 net/xfrm/xfrm_user.c:1600 xfrm_user_rcv_msg+0x455/0x8b0 net/xfrm/xfrm_user.c:2590 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2448 xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2598 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa18/0xfd0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:645 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:655 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2161 __sys_sendmsg+0x11d/0x290 net/socket.c:2199 __do_sys_sendmsg net/socket.c:2208 [inline] __se_sys_sendmsg net/socket.c:2206 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2206 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455b29 Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc9256efc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc9256f06d4 RCX: 0000000000455b29 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c0e64 R14: 00000000004d0b98 R15: 0000000000000000 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 2982954e492c086f ]--- RIP: 0010:get_work_pool+0x19f/0x260 kernel/workqueue.c:716 Code: 48 83 c4 60 5b 41 5c 41 5d 41 5e 5d c3 e8 d9 bd 2c 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 ad bd 2c 00 e8 48 RSP: 0018:ffff8801cdfdef60 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: ffffc90007e2c000 RDX: 00000003ffffffc0 RSI: ffffffff814eecc7 RDI: 0000000000000007 RBP: ffff8801cdfdefe0 R08: ffff8801d68fa280 R09: ffffed003b5e46d6 R10: ffffed003b5e46d6 R11: ffff8801daf236b3 R12: 0000000000000004 R13: 1ffff10039bfbdec R14: ffff8801cdfdefc0 R15: 0000000000000001 FS: 00007fc9256f0700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 00000001779a1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400