------------[ cut here ]------------
inode->i_blocks
WARNING: mm/shmem.c:1433 at shmem_evict_inode+0x93b/0xc40 mm/shmem.c:1433, CPU#1: syz.6.4819/30452
Modules linked in:
CPU: 1 UID: 0 PID: 30452 Comm: syz.6.4819 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+0x93b/0xc40 mm/shmem.c:1433
Code: fe e8 09 b4 b7 ff 45 85 ff 75 ac e8 4f b9 b7 ff 48 8b 74 24 28 48 8b 7c 24 30 e8 10 24 90 ff e9 e5 fd ff ff e8 36 b9 b7 ff 90 <0f> 0b 90 e9 59 f9 ff ff e8 28 b9 b7 ff 4c 89 e2 48 b8 00 00 00 00
RSP: 0000:ffffc9000e8bf6f8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802a0b0d50 RCX: ffffffff82510743
RDX: ffff888028bcca00 RSI: ffffffff82510dea RDI: ffff888028bcca00
RBP: ffffc9000e8bf820 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000000 R14: ffff88802a0b0d80 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880971e8000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007fda07e00020 CR3: 000000006c7e0000 CR4: 0000000000352ef0
DR0: 000000006000003f DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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+0x2a1/0x490 fs/dcache.c:467
 __dentry_kill+0x1d0/0x600 fs/dcache.c:670
 finish_dput+0x76/0x480 fs/dcache.c:879
 dput.part.0+0x456/0x570 fs/dcache.c:928
 dput+0x1f/0x30 fs/dcache.c:920
 __fput+0x519/0xb50 fs/file_table.c:518
 task_work_run+0x150/0x240 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x8d2/0x2a60 kernel/exit.c:975
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1117
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3037
 arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x4a0 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_fast_syscall_32+0x608/0x950 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: 0023:0xf70befcc
Code: Unable to access opcode bytes at 0xf70befa2.
RSP: 002b:00000000f54ad5bc EFLAGS: 00000292 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 00000000f74b4f88 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f74b4f8c
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>