folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x593/0x1820 mm/shmem.c:1112
 shmem_truncate_range mm/shmem.c:1224 [inline]
 shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352
 evict+0x4e8/0x9a0 fs/inode.c:796
 __dentry_kill+0x20d/0x630 fs/dcache.c:643
 dput+0x19f/0x2b0 fs/dcache.c:885
 __fput+0x60b/0x9f0 fs/file_table.c:472
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa2a/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 get_signal+0x16b2/0x1750 kernel/signal.c:3036
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 8708 Comm: syz.4.1025 Not tainted 6.14.0-rc2-syzkaller-00034-gfebbc555cf0f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154
Code: de c7 ff 48 89 df 48 c7 c6 e0 d3 13 8c e8 fb f3 11 00 90 0f 0b e8 a3 de c7 ff 48 89 df 48 c7 c6 c0 d2 13 8c e8 e4 f3 11 00 90 <0f> 0b e8 8c de c7 ff 48 89 df 48 c7 c6 e0 d3 13 8c e8 cd f3 11 00
RSP: 0018:ffffc900103c7070 EFLAGS: 00010046
RAX: 0b4a508bd0fe1900 RBX: ffffea0001ee4f80 RCX: ffffc900103c6c03
RDX: 0000000000000002 RSI: ffffffff8c0ab8e0 RDI: ffffffff8c608b40
RBP: 0000000000000000 R08: ffffffff901b5d77 R09: 1ffffffff2036bae
R10: dffffc0000000000 R11: fffffbfff2036baf R12: dffffc0000000000
R13: 1ffffd40003dc9f1 R14: ffff888062dd9738 R15: ffffea0001ee4f88
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3061fffc CR3: 000000002fd2c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __filemap_remove_folio+0xc7/0x670 mm/filemap.c:223
 filemap_remove_folio+0xe1/0x1f0 mm/filemap.c:256
 truncate_inode_folio+0x5d/0x70 mm/truncate.c:162
 shmem_undo_range+0x44b/0x1820 mm/shmem.c:1108
 shmem_truncate_range mm/shmem.c:1224 [inline]
 shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352
 evict+0x4e8/0x9a0 fs/inode.c:796
 __dentry_kill+0x20d/0x630 fs/dcache.c:643
 dput+0x19f/0x2b0 fs/dcache.c:885
 __fput+0x60b/0x9f0 fs/file_table.c:472
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa2a/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 get_signal+0x16b2/0x1750 kernel/signal.c:3036
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3adc78cde9
Code: Unable to access opcode bytes at 0x7f3adc78cdbf.
RSP: 002b:00007f3add5ea0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f3adc9a6088 RCX: 00007f3adc78cde9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3adc9a6088
RBP: 00007f3adc9a6080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3adc9a608c
R13: 0000000000000000 R14: 00007f3adcacf940 R15: 00007f3adcacfa28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154
Code: de c7 ff 48 89 df 48 c7 c6 e0 d3 13 8c e8 fb f3 11 00 90 0f 0b e8 a3 de c7 ff 48 89 df 48 c7 c6 c0 d2 13 8c e8 e4 f3 11 00 90 <0f> 0b e8 8c de c7 ff 48 89 df 48 c7 c6 e0 d3 13 8c e8 cd f3 11 00
RSP: 0018:ffffc900103c7070 EFLAGS: 00010046
RAX: 0b4a508bd0fe1900 RBX: ffffea0001ee4f80 RCX: ffffc900103c6c03
RDX: 0000000000000002 RSI: ffffffff8c0ab8e0 RDI: ffffffff8c608b40
RBP: 0000000000000000 R08: ffffffff901b5d77 R09: 1ffffffff2036bae
R10: dffffc0000000000 R11: fffffbfff2036baf R12: dffffc0000000000
R13: 1ffffd40003dc9f1 R14: ffff888062dd9738 R15: ffffea0001ee4f88
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3061fffc CR3: 000000002fd2c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400