__dentry_kill+0x431/0x650 fs/dcache.c:586
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xd8/0x1a0 fs/dcache.c:893
 do_renameat2+0x8c7/0xf60 fs/namei.c:4995
 __do_sys_rename fs/namei.c:5039 [inline]
 __se_sys_rename fs/namei.c:5037 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5037
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
------------[ cut here ]------------
kernel BUG at mm/filemap.c:166!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5817 Comm: syz.4.390 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:unaccount_page_cache_page+0x75c/0x870 mm/filemap.c:166
Code: e8 29 15 db ff 4c 89 f7 48 c7 c6 00 00 33 8a e8 8a fb 0d 00 0f 0b e8 13 15 db ff 4c 89 f7 48 c7 c6 40 00 33 8a e8 74 fb 0d 00 <0f> 0b 48 85 ed 75 59 e8 f8 14 db ff eb 5d e8 f1 14 db ff 4c 89 f7
RSP: 0018:ffffc9000316f688 EFLAGS: 00010046
RAX: 421914d4b3a33d00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff5200062dec4
RBP: 1ffffd40002f42a9 R08: ffff8880b902795b R09: fffff5200062de80
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffffea00017a1540
R13: dffffc0000000000 R14: ffffea00017a1540 R15: ffffea00017a1548
FS:  00005555662fa500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 000000006234b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __delete_from_page_cache+0xbe/0x6d0 mm/filemap.c:231
 delete_from_page_cache+0x121/0x190 mm/filemap.c:266
 truncate_inode_page+0x8d/0xb0 mm/truncate.c:219
 shmem_undo_range+0x53c/0x1930 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x220/0xa40 mm/shmem.c:1145
 evict+0x4c9/0x8d0 fs/inode.c:647
 __dentry_kill+0x431/0x650 fs/dcache.c:586
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xd8/0x1a0 fs/dcache.c:893
 __fput+0x5ee/0x930 fs/file_table.c:319
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f809a59ecb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffe55c6038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fffe55c6120 RCX: 00007f809a59ecb9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000002c221 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b31820000 R11: 0000000000000246 R12: 00007fffe55c6160
R13: 00007f809a819fac R14: 000000000002c278 R15: 00007f809a819fa0
 </TASK>
Modules linked in:
---[ end trace a31cc680da7fc2a9 ]---
RIP: 0010:unaccount_page_cache_page+0x75c/0x870 mm/filemap.c:166
Code: e8 29 15 db ff 4c 89 f7 48 c7 c6 00 00 33 8a e8 8a fb 0d 00 0f 0b e8 13 15 db ff 4c 89 f7 48 c7 c6 40 00 33 8a e8 74 fb 0d 00 <0f> 0b 48 85 ed 75 59 e8 f8 14 db ff eb 5d e8 f1 14 db ff 4c 89 f7
RSP: 0018:ffffc9000316f688 EFLAGS: 00010046
RAX: 421914d4b3a33d00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff5200062dec4
RBP: 1ffffd40002f42a9 R08: ffff8880b902795b R09: fffff5200062de80
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffffea00017a1540
R13: dffffc0000000000 R14: ffffea00017a1540 R15: ffffea00017a1548
FS:  00005555662fa500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 000000006234b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400