------------[ cut here ]------------ inode->i_blocks WARNING: mm/shmem.c:1431 at shmem_evict_inode+0x8ed/0xbe0 mm/shmem.c:1431, CPU#2: syz.4.8031/657 Modules linked in: CPU: 2 UID: 0 PID: 657 Comm: syz.4.8031 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 6e 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: 0000:ffffc90002e37748 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888028176dd8 RCX: ffffffff825387d5 RDX: ffff88800086a540 RSI: ffffffff82538e7c RDI: ffff88800086a540 RBP: ffffc90002e37870 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: ffff888028176e08 R15: ffff88801d6f7000 FS: 0000000000000000(0000) GS:ffff8880972e7000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f523aff4 CR3: 000000005422f000 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 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 kernel/entry/common.c:101 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] irqentry_exit+0x402/0xa00 kernel/entry/common.c:165 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0023:0x1b24 Code: Unable to access opcode bytes at 0x1afa. RSP: 002b:0000000080000220 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000040000 RCX: 00000000384000f1 RDX: 00000000596089c0 RSI: 00000000800003c0 RDI: 0000000080000880 RBP: 0000000059f258ef R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000