kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9979 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #100 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 89 aa 2e 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 5d aa 2e 00 e8 48 RSP: 0018:ffff880180f5ef50 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: ffffc9000fde7000 RDX: 00000003ffffffc0 RSI: ffffffff8150e037 RDI: 0000000000000007 RBP: ffff880180f5efd0 R08: ffff88018107e640 R09: ffffed003b5c5b67 R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 0000000000000004 R13: 1ffff100301ebdea R14: ffff880180f5efb0 R15: 0000000000000040 FS: 00007fb99f829700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce23000 CR3: 00000001be497000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __queue_work+0x2c6/0x1440 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+0xeb8/0x16f0 net/xfrm/xfrm_policy.c:803 xfrm_add_policy+0x2a0/0x6f0 net/xfrm/xfrm_user.c:1657 xfrm_user_rcv_msg+0x44c/0x8e0 net/xfrm/xfrm_user.c:2663 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477 xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2671 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb99f828c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb99f8296d4 R13: 00000000004c3b3e R14: 00000000004d5c38 R15: 00000000ffffffff Modules linked in: ---[ end trace 857e0ba7aa929fdd ]--- 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 89 aa 2e 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 5d aa 2e 00 e8 48 RSP: 0018:ffff880180f5ef50 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: ffffc9000fde7000 RDX: 00000003ffffffc0 RSI: ffffffff8150e037 RDI: 0000000000000007 RBP: ffff880180f5efd0 R08: ffff88018107e640 R09: ffffed003b5c5b67 R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 0000000000000004 R13: 1ffff100301ebdea R14: ffff880180f5efb0 R15: 0000000000000040 FS: 00007fb99f829700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce23000 CR3: 00000001be497000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400