syzbot

------------[ cut here ]------------
inode->i_blocks
WARNING: mm/shmem.c:1433 at shmem_evict_inode+0x93b/0xc40 mm/shmem.c:1433, CPU#0: syz.0.42/6046
Modules linked in:
CPU: 0 UID: 0 PID: 6046 Comm: syz.0.42 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:shmem_evict_inode+0x93b/0xc40 mm/shmem.c:1433
Code: fe e8 39 b4 b7 ff 45 85 ff 75 ac e8 7f b9 b7 ff 48 8b 74 24 28 48 8b 7c 24 30 e8 60 26 90 ff e9 e5 fd ff ff e8 66 b9 b7 ff 90 <0f> 0b 90 e9 59 f9 ff ff e8 58 b9 b7 ff 4c 89 e2 48 b8 00 00 00 00
RSP: 0018:ffffc90003d27a40 EFLAGS: 00010283
RAX: 00000000000642e9 RBX: ffff88802c822570 RCX: ffffc90007b85000
RDX: 0000000000080000 RSI: ffffffff82501e5a RDI: ffff888029b23d80
RBP: ffffc90003d27b68 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000000 R14: ffffed10059044aa R15: 0000000000000000
FS:  00007f7cba8516c0(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000004010000 CR3: 00000000784a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 evict+0x3c2/0xad0 fs/inode.c:841
 iput_final fs/inode.c:1960 [inline]
 iput.part.0+0x605/0xf50 fs/inode.c:2009
 iput+0x35/0x40 fs/inode.c:1975
 dentry_unlink_inode+0x2c0/0x4c0 fs/dcache.c:476
 __dentry_kill+0x1d0/0x690 fs/dcache.c:718
 finish_dput+0x76/0x480 fs/dcache.c:927
 dput.part.0+0x456/0x570 fs/dcache.c:976
 dput+0x1f/0x30 fs/dcache.c:968
 __fput+0x519/0xb50 fs/file_table.c:518
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x6f2/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7cb999cdd9
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:00007f7cba851028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: 0000000000000000 RBX: 00007f7cb9c16090 RCX: 00007f7cb999cdd9
RDX: 00000000000000df RSI: 0000000004020009 RDI: 0000000000000000
RBP: 00007f7cb9a32d69 R08: 0000000000000401 R09: 0000000000008000
R10: 0000000000000eb1 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7cb9c16128 R14: 00007f7cb9c16090 R15: 00007ffe78d35428
 </TASK>