------------[ cut here ]------------
inode->i_blocks
WARNING: mm/shmem.c:1431 at shmem_evict_inode+0x8ed/0xbe0 mm/shmem.c:1431, CPU#3: syz.1.1775/9767
Modules linked in:
CPU: 3 UID: 0 PID: 9767 Comm: syz.1.1775 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:shmem_evict_inode+0x8ed/0xbe0 mm/shmem.c:1431
Code: fe e8 77 43 b5 ff 45 85 ff 75 ac e8 fd 48 b5 ff 48 8b 74 24 28 48 8b 7c 24 30 e8 ee 38 8d ff e9 e5 fd ff ff e8 e4 48 b5 ff 90 <0f> 0b 90 e9 59 f9 ff ff e8 d6 48 b5 ff 4c 89 e2 48 b8 00 00 00 00
RSP: 0018:ffffc9000667f6f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88806b64bd98 RCX: ffffffff8253dcd5
RDX: ffff8880264e8000 RSI: ffffffff8253e37c RDI: ffff8880264e8000
RBP: ffffc9000667f818 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000000 R14: ffff88806b64bdc8 R15: ffff88801daab000
FS:  0000000000000000(0000) GS:ffff888096ef2000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033814ff8 CR3: 00000000260d2000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x3c2/0xad0 fs/inode.c:825
 iput_final fs/inode.c:2019 [inline]
 iput.part.0+0x989/0x1050 fs/inode.c:2068
 iput+0x35/0x40 fs/inode.c:2034
 dentry_unlink_inode+0x284/0x470 fs/dcache.c:479
 dentry_kill+0x25d/0xc20 fs/dcache.c:826
 finish_dput fs/dcache.c:1001 [inline]
 dput.part.0+0xd7/0x240 fs/dcache.c:1042
 dput+0x1f/0x30 fs/dcache.c:1037
 __fput+0x519/0xb50 fs/file_table.c:520
 task_work_run+0x150/0x240 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x951/0x2ae0 kernel/exit.c:1004
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1147
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3038
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101
 __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:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 __do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fa6fec
Code: Unable to access opcode bytes at 0xf7fa6fc2.
RSP: 002b:00000000f54455bc EFLAGS: 00000292 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 00000000f7465020 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7465024
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>