audit: type=1400 audit(1596805888.021:8): avc:  denied  { execmem } for  pid=6477 comm="syz-executor539" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
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: 1 PID: 6477 Comm: syz-executor539 Not tainted 4.19.138-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x81/0xef lib/list_debug.c:51
Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d
RSP: 0018:ffff88809773fc30 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880a66ae300 RCX: ffffffff815255fb
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a66ae7d0
RBP: ffff8880a66ae7c8 R08: 0000000000000001 R09: ffffed10141abaf5
R10: ffff8880a0d5d7ab R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880a66ae7c8 R15: ffff8880a66ae7d0
FS:  0000000001109880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559d0ce6c270 CR3: 000000009420c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del_rcu include/linux/rculist.h:130 [inline]
 xdp_del_sk_umem+0x72/0x1a0 net/xdp/xdp_umem.c:42
 xsk_release+0x128/0x350 net/xdp/xsk.c:344
 __sock_release+0xcd/0x2a0 net/socket.c:579
 sock_close+0x15/0x20 net/socket.c:1140
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbb2/0x2b70 kernel/exit.c:887
 do_group_exit+0x125/0x310 kernel/exit.c:990
 __do_sys_exit_group kernel/exit.c:1001 [inline]
 __se_sys_exit_group kernel/exit.c:999 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:999
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x43f098
Code: Bad RIP value.
RSP: 002b:00007ffd863a6a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f098
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004be928 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 4f62374d8f57854f ]---
RIP: 0010:__list_del_entry_valid+0x81/0xef lib/list_debug.c:51
Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d
RSP: 0018:ffff88809773fc30 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880a66ae300 RCX: ffffffff815255fb
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a66ae7d0
RBP: ffff8880a66ae7c8 R08: 0000000000000001 R09: ffffed10141abaf5
R10: ffff8880a0d5d7ab R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880a66ae7c8 R15: ffff8880a66ae7d0
FS:  0000000001109880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000043f06e CR3: 000000009420c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400