ops_exit_list net/core/net_namespace.c:205 [inline]
 ops_undo_list+0x363/0xab0 net/core/net_namespace.c:252
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 6138 Comm: syz.2.99 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: a5 9e c3 ff 48 8d 3d ae 03 97 0e 67 48 0f b9 3a e9 07 fd ff ff e8 8f 9e c3 ff 48 c7 c6 60 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 73 9e c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc90003077820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022be2500 RSI: ffffffff8257bc88 RDI: ffff888022be29c4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff1100610509a R12: 0000000000000002
R13: ffffea0000dd5a00 R14: 0000000000000000 R15: 1ffff9200060ef2f
FS:  000055555f9b1500(0000) GS:ffff8880d6670000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 0000000030b64000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf10 mm/readahead.c:515
 do_sync_mmap_readahead mm/filemap.c:3406 [inline]
 filemap_fault+0x1900/0x2e90 mm/filemap.c:3555
 __do_fault+0x10b/0x440 mm/memory.c:5458
 do_shared_fault mm/memory.c:5957 [inline]
 do_fault+0x2db/0x1750 mm/memory.c:6031
 do_pte_missing mm/memory.c:4550 [inline]
 handle_pte_fault mm/memory.c:6411 [inline]
 __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6549
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6718
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f8ac3b6d488
Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
RSP: 002b:00007fffd4b18ce8 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b33c20000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 0000000000000000
R13: 00007f8ac3e15fac R14: 000000000001f8a5 R15: 00007f8ac3e15fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: a5 9e c3 ff 48 8d 3d ae 03 97 0e 67 48 0f b9 3a e9 07 fd ff ff e8 8f 9e c3 ff 48 c7 c6 60 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 73 9e c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc90003077820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022be2500 RSI: ffffffff8257bc88 RDI: ffff888022be29c4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff1100610509a R12: 0000000000000002
R13: ffffea0000dd5a00 R14: 0000000000000000 R15: 1ffff9200060ef2f
FS:  000055555f9b1500(0000) GS:ffff8880d6670000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 0000000030b64000 CR4: 0000000000352ef0