cleanup_mnt+0x452/0x500 fs/namespace.c:1186
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1971!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 29951 Comm: syz-executor.3 Not tainted 5.18.0-rc3-syzkaller-00060-g59f0c2447e25 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__filemap_get_folio+0xf0c/0x11f0 mm/filemap.c:1971
Code: e8 29 51 d5 ff 4c 89 f7 48 c7 c6 80 d9 96 8a e8 fa 4f 10 00 0f 0b e8 13 51 d5 ff 4c 89 f7 48 c7 c6 60 d2 96 8a e8 e4 4f 10 00 <0f> 0b e8 fd 50 d5 ff e9 6e 02 00 00 4c 89 f6 48 81 e6 ff 0f 00 00
RSP: 0018:ffffc90015697760 EFLAGS: 00010246
RAX: 2a15e12acc275b00 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000aec1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90015697878 R08: ffffffff81df215f R09: ffffed1017346809
R10: ffffed1017346809 R11: 1ffff11017346808 R12: dffffc0000000000
R13: 0000000000000080 R14: ffffea00021588c0 R15: 0000000000000182
FS:  00007f6dd5dfe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6c4b6c058 CR3: 0000000075119000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 pagecache_get_page+0x2a/0x240 mm/folio-compat.c:126
 shmem_getpage_gfp+0x373/0x3030 mm/shmem.c:1812
 shmem_getpage mm/shmem.c:149 [inline]
 shmem_write_begin+0xcc/0x1a0 mm/shmem.c:2446
 generic_perform_write+0x318/0x610 mm/filemap.c:3787
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3915
 generic_file_write_iter+0xa7/0x1b0 mm/filemap.c:3947
 call_write_iter include/linux/fs.h:2050 [inline]
 new_sync_write fs/read_write.c:504 [inline]
 vfs_write+0xa22/0xd40 fs/read_write.c:591
 ksys_write+0x19b/0x2c0 fs/read_write.c:644
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6dd6e890e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6dd5dfe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6dd6f9bf60 RCX: 00007f6dd6e890e9
RDX: 000000000208e24b RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007f6dd6ee308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0c3384ff R14: 00007f6dd5dfe300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_get_folio+0xf0c/0x11f0 mm/filemap.c:1971
Code: e8 29 51 d5 ff 4c 89 f7 48 c7 c6 80 d9 96 8a e8 fa 4f 10 00 0f 0b e8 13 51 d5 ff 4c 89 f7 48 c7 c6 60 d2 96 8a e8 e4 4f 10 00 <0f> 0b e8 fd 50 d5 ff e9 6e 02 00 00 4c 89 f6 48 81 e6 ff 0f 00 00
RSP: 0018:ffffc90015697760 EFLAGS: 00010246
RAX: 2a15e12acc275b00 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000aec1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90015697878 R08: ffffffff81df215f R09: ffffed1017346809
R10: ffffed1017346809 R11: 1ffff11017346808 R12: dffffc0000000000
R13: 0000000000000080 R14: ffffea00021588c0 R15: 0000000000000182
FS:  00007f6dd5dfe700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da28000 CR3: 0000000075119000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400