folio_batch_release include/linux/pagevec.h:101 [inline]
 mapping_try_invalidate+0x3f7/0x550 mm/truncate.c:501
 drop_pagecache_sb+0x1ab/0x260 fs/drop_caches.c:40
 iterate_supers+0xc6/0x190 fs/super.c:934
 drop_caches_sysctl_handler+0x8c/0x160 fs/drop_caches.c:64
 proc_sys_call_handler+0x5ec/0x920 fs/proc/proc_sysctl.c:601
 do_iter_readv_writev+0x71a/0x9d0
 vfs_writev+0x38b/0xbc0 fs/read_write.c:1050
 do_writev+0x1b6/0x360 fs/read_write.c:1096
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 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: 0 UID: 0 PID: 18529 Comm: syz.1.2495 Not tainted 6.14.0-rc2-syzkaller-00303-gad1b832bf1cf #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: ca c7 ff 48 89 df 48 c7 c6 40 d7 33 8c e8 5b 68 12 00 90 0f 0b e8 d3 ca c7 ff 48 89 df 48 c7 c6 20 d6 33 8c e8 44 68 12 00 90 <0f> 0b e8 bc ca c7 ff 48 89 df 48 c7 c6 40 d7 33 8c e8 2d 68 12 00
RSP: 0018:ffffc900032f7490 EFLAGS: 00010046
RAX: 25ef3774f0f94200 RBX: ffffea0001d0dbc0 RCX: ffffc900032f7003
RDX: 0000000000000002 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c80ed00
RBP: 0000000000000000 R08: ffffffff903cdd77 R09: 1ffffffff2079bae
R10: dffffc0000000000 R11: fffffbfff2079baf R12: dffffc0000000000
R13: 1ffffd40003a1b79 R14: ffff8880696a6c20 R15: ffffea0001d0dbc8
FS:  00007f084521c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08451fbd58 CR3: 000000007e530000 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
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [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+0x13f/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: 0033:0x7f084438cde9
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:00007f084521c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: 0000400000000000 RBX: 00007f08445a6240 RCX: 00007f084438cde9
RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000400000000000
RBP: 00007f084440e2a0 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f08445a6240 R15: 00007f08446cfa28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154
Code: ca c7 ff 48 89 df 48 c7 c6 40 d7 33 8c e8 5b 68 12 00 90 0f 0b e8 d3 ca c7 ff 48 89 df 48 c7 c6 20 d6 33 8c e8 44 68 12 00 90 <0f> 0b e8 bc ca c7 ff 48 89 df 48 c7 c6 40 d7 33 8c e8 2d 68 12 00
RSP: 0018:ffffc900032f7490 EFLAGS: 00010046
RAX: 25ef3774f0f94200 RBX: ffffea0001d0dbc0 RCX: ffffc900032f7003
RDX: 0000000000000002 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c80ed00
RBP: 0000000000000000 R08: ffffffff903cdd77 R09: 1ffffffff2079bae
R10: dffffc0000000000 R11: fffffbfff2079baf R12: dffffc0000000000
R13: 1ffffd40003a1b79 R14: ffff8880696a6c20 R15: ffffea0001d0dbc8
FS:  00007f084521c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08451fbd58 CR3: 000000007e530000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400