------------[ cut here ]------------ inode->i_blocks WARNING: mm/shmem.c:1433 at shmem_evict_inode+0x93b/0xc40 mm/shmem.c:1433, CPU#1: syz.3.11489/3182 Modules linked in: CPU: 1 UID: 0 PID: 3182 Comm: syz.3.11489 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 89 ac b7 ff 45 85 ff 75 ac e8 cf b1 b7 ff 48 8b 74 24 28 48 8b 7c 24 30 e8 50 15 90 ff e9 e5 fd ff ff e8 b6 b1 b7 ff 90 <0f> 0b 90 e9 59 f9 ff ff e8 a8 b1 b7 ff 4c 89 e2 48 b8 00 00 00 00 RSP: 0018:ffffc900077c7938 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888023cddbb8 RCX: ffffffff82505423 RDX: ffff8880253e2500 RSI: ffffffff82505aca RDI: ffff8880253e2500 RBP: ffffc900077c7a60 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: ffffed100479bb73 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888097271000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5446bac CR3: 000000000e596000 CR4: 0000000000352ef0 DR0: 000000006000003f DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: 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 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x951/0x2af0 kernel/exit.c:976 do_group_exit+0xd5/0x2a0 kernel/exit.c:1119 __do_sys_exit_group kernel/exit.c:1130 [inline] __se_sys_exit_group kernel/exit.c:1128 [inline] __ia32_sys_exit_group+0x3e/0x50 kernel/exit.c:1128 ia32_sys_call+0x19ea/0x19f0 arch/x86/include/generated/asm/syscalls_32.h:253 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x950 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f88f7c Code: Unable to access opcode bytes at 0xf7f88f52. RSP: 002b:00000000ffd8e04c EFLAGS: 00000286 ORIG_RAX: 00000000000000fc RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000ffffff9c RDI: 00000000f71b7299 RBP: 00000000f7414ff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000