BTRFS info (device loop5): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor.4 (15076)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (15071)
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: 15075 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (15141)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__list_del_entry_valid+0x81/0xf0 lib/list_debug.c:51
Code: 0f 84 30 52 85 04 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 31 52 85 04 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 e8 51 85 04 49 8d 7d
RSP: 0018:ffff8880aa9b7d70 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880ab7e7640 RCX: ffffffff814bdebb
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ab7e7b10
RBP: ffff8880ab7e7b08 R08: 0000000000000001 R09: ffffed10167346e5
R10: ffff8880b39a372b R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880ab7e7b08 R15: ffff8880ab7e7b10
FS:  00005555557f4400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6eb5acc710 CR3: 00000000a1711000 CR4: 00000000003406f0
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:599
 sock_close+0x15/0x20 net/socket.c:1214
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f185c5baf7b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffef27922a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f185c5baf7b
RDX: ffffffffffffffb8 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007f185c72a980 R08: 0000000000000000 R09: 00000053711ff42a
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000004eaf2
R13: 00007ffef27923a0 R14: 00007f185c7291f0 R15: 0000000000000032
Modules linked in:
---[ end trace 7338c9a57b337950 ]---
RIP: 0010:__list_del_entry_valid+0x81/0xf0 lib/list_debug.c:51
Code: 0f 84 30 52 85 04 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 31 52 85 04 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 e8 51 85 04 49 8d 7d
RSP: 0018:ffff8880aa9b7d70 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880ab7e7640 RCX: ffffffff814bdebb
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ab7e7b10
RBP: ffff8880ab7e7b08 R08: 0000000000000001 R09: ffffed10167346e5
R10: ffff8880b39a372b R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880ab7e7b08 R15: ffff8880ab7e7b10
FS:  00005555557f4400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6eb5acc710 CR3: 00000000a1711000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	0f 84 30 52 85 04    	je     0x4855236
   6:	48 b8 00 02 00 00 00 	movabs $0xdead000000000200,%rax
   d:	00 ad de
  10:	49 39 c4             	cmp    %rax,%r12
  13:	0f 84 31 52 85 04    	je     0x485524a
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	4c 89 e2             	mov    %r12,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 51                	jne    0x81
  30:	49 8b 14 24          	mov    (%r12),%rdx
  34:	48 39 ea             	cmp    %rbp,%rdx
  37:	0f 85 e8 51 85 04    	jne    0x4855225
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	7d                   	.byte 0x7d