------------[ cut here ]------------ inode->i_blocks WARNING: mm/shmem.c:1431 at shmem_evict_inode+0x8ed/0xbe0 mm/shmem.c:1431, CPU#1: syz.3.3219/18156 Modules linked in: CPU: 1 UID: 0 PID: 18156 Comm: syz.3.3219 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 57 48 b5 ff 45 85 ff 75 ac e8 dd 4d b5 ff 48 8b 74 24 28 48 8b 7c 24 30 e8 ee 3d 8d ff e9 e5 fd ff ff e8 c4 4d b5 ff 90 <0f> 0b 90 e9 59 f9 ff ff e8 b6 4d b5 ff 4c 89 e2 48 b8 00 00 00 00 RSP: 0018:ffffc90007b77a28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888076d567d0 RCX: ffffffff82538755 RDX: ffff888024da0000 RSI: ffffffff82538dfc RDI: ffff888024da0000 RBP: ffffc90007b77b50 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: ffff888076d56800 R15: ffff88801d6ef000 FS: 0000000000000000(0000) GS:ffff8880971f0000(0063) knlGS:00000000f543db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f722e509 CR3: 0000000060d05000 CR4: 0000000000352ef0 Call Trace: 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 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1d8/0x6f0 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: 0023:0xf704efec Code: Unable to access opcode bytes at 0xf704efc2. RSP: 002b:00000000f543d50c EFLAGS: 00000292 ORIG_RAX: 00000000000000c0 RAX: 0000000080000000 RBX: 0000000080000000 RCX: 0000000000b36000 RDX: 0000000006ebbeef RSI: 0000000000008031 RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000