dput+0x1f/0x30 fs/dcache.c:857
 __fput+0x51c/0xb70 fs/file_table.c:458
 task_work_run+0x14e/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xad8/0x2d70 kernel/exit.c:938
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096
 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
------------[ cut here ]------------
WARNING: CPU: 1 PID: 13600 at ./include/linux/mm.h:1228 folio_large_mapcount include/linux/mm.h:1228 [inline]
WARNING: CPU: 1 PID: 13600 at ./include/linux/mm.h:1228 folio_mapcount include/linux/mm.h:1262 [inline]
WARNING: CPU: 1 PID: 13600 at ./include/linux/mm.h:1228 folio_mapped include/linux/mm.h:1273 [inline]
WARNING: CPU: 1 PID: 13600 at ./include/linux/mm.h:1228 page_mapped include/linux/mm.h:1283 [inline]
WARNING: CPU: 1 PID: 13600 at ./include/linux/mm.h:1228 stable_page_flags+0xab5/0xbc0 fs/proc/page.c:132
Modules linked in:
CPU: 1 UID: 0 PID: 13600 Comm: syz.1.1967 Not tainted 6.13.0-syzkaller-07259-g0f8e26b38d7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:folio_large_mapcount include/linux/mm.h:1228 [inline]
RIP: 0010:folio_mapcount include/linux/mm.h:1262 [inline]
RIP: 0010:folio_mapped include/linux/mm.h:1273 [inline]
RIP: 0010:page_mapped include/linux/mm.h:1283 [inline]
RIP: 0010:stable_page_flags+0xab5/0xbc0 fs/proc/page.c:132
Code: f7 ff ff e8 cd bd 60 ff 4c 8b 3c 24 49 83 ef 01 e9 c9 fc ff ff e8 bb bd 60 ff 48 c7 c6 60 17 82 8b 4c 89 ef e8 7c d9 a7 ff 90 <0f> 0b 90 e9 69 ff ff ff 4c 89 f7 e8 0b 8d c3 ff e9 21 fd ff ff 4c
RSP: 0018:ffffc90005a07c60 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 00fff80000020078 RCX: ffffc90004e42000
RDX: 0000000000080000 RSI: ffffffff825824e4 RDI: ffff8880251c4044
RBP: ffffea00010e89c0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff905fe017 R11: 0000000000000003 R12: ffffea00010e8000
R13: ffffea00010e8000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3496c7b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35f2ed56c0 CR3: 0000000050576000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kpageflags_read+0x145/0x230 fs/proc/page.c:248
 pde_read fs/proc/inode.c:308 [inline]
 proc_reg_read+0x11d/0x330 fs/proc/inode.c:318
 vfs_read+0x1df/0xbf0 fs/read_write.c:563
 ksys_read+0x12b/0x250 fs/read_write.c:708
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3495d8cd29
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3496c7b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f3495fa5fa0 RCX: 00007f3495d8cd29
RDX: 0000000000400000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f3495e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3495fa5fa0 R15: 00007ffca1566448
 </TASK>