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: 15381 Comm: syz-executor.5 Not tainted 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x81/0xf0 lib/list_debug.c:51 Code: 0f 84 1f 4b 84 04 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 20 4b 84 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 d7 4a 84 04 49 8d 7d RSP: 0018:ffff888039f1fd70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880420e0540 RCX: ffffffff814bbe1b RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880420e0a10 RBP: ffff8880420e0a08 R08: 0000000000000001 R09: ffffed101461058d overlayfs: failed to resolve './file1': -2 R10: ffff8880a3082c6b R11: 0000000000074071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880420e0a08 R15: ffff8880420e0a10 FS: 0000000003468400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da0 CR3: 000000004529e000 CR4: 00000000001426f0 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 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 overlayfs: workdir and upperdir must reside under the same mount entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4193eb 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:00007ffc67aa69d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193eb RDX: 0000000000572338 RSI: 0000000008c9f4bf RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2fc22768 R10: 00007ffc67aa6ac0 R11: 0000000000000293 R12: 0000000000049980 R13: 00000000000003e8 R14: 000000000056bf60 R15: 000000000004996d Modules linked in: ---[ end trace 6f8a12f2d26efbeb ]--- RIP: 0010:__list_del_entry_valid+0x81/0xf0 lib/list_debug.c:51 Code: 0f 84 1f 4b 84 04 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 20 4b 84 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 d7 4a 84 04 49 8d 7d RSP: 0018:ffff888039f1fd70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880420e0540 RCX: ffffffff814bbe1b RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880420e0a10 RBP: ffff8880420e0a08 R08: 0000000000000001 R09: ffffed101461058d R10: ffff8880a3082c6b R11: 0000000000074071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880420e0a08 R15: ffff8880420e0a10 FS: 0000000003468400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da0 CR3: 000000004529e000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400