------------[ cut here ]------------ WARNING: mm/shmem.c:1402 at shmem_evict_inode+0x8eb/0xbe0 mm/shmem.c:1402, CPU#2: syz.2.1435/11553 Modules linked in: CPU: 2 UID: 0 PID: 11553 Comm: syz.2.1435 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~bpo12+1 04/01/2014 RIP: 0010:shmem_evict_inode+0x8eb/0xbe0 mm/shmem.c:1402 Code: fe e8 69 32 bc ff 45 85 ff 75 ac e8 bf 37 bc ff 48 8b 74 24 28 48 8b 7c 24 30 e8 20 89 93 ff e9 e5 fd ff ff e8 a6 37 bc ff 90 <0f> 0b 90 e9 54 f9 ff ff e8 98 37 bc ff 4c 89 e2 48 b8 00 00 00 00 RSP: 0018:ffffc90004f2f708 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804d6f87f8 RCX: ffffffff8202079e RDX: ffff88806e874980 RSI: ffffffff82020e4a RDI: 0000000000000007 RBP: ffffc90004f2f830 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: ffff88806e8754b0 R12: 0000000000000008 R13: 0000000000000000 R14: ffff88804d6f8828 R15: ffff88804d6f86e8 FS: 0000000000000000(0000) GS:ffff888097902000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7422054 CR3: 000000000e184000 CR4: 0000000000352ef0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: evict+0x3c2/0xad0 fs/inode.c:837 iput_final fs/inode.c:1951 [inline] iput.part.0+0x621/0x1190 fs/inode.c:2003 iput+0x35/0x40 fs/inode.c:1966 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:467 __dentry_kill+0x1d0/0x600 fs/dcache.c:670 finish_dput+0x76/0x480 fs/dcache.c:879 dput.part.0+0x451/0x570 fs/dcache.c:928 dput+0x1f/0x30 fs/dcache.c:920 __fput+0x51c/0xb70 fs/file_table.c:476 task_work_run+0x150/0x240 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x87f/0x2bd0 kernel/exit.c:971 do_group_exit+0xd3/0x2a0 kernel/exit.c:1112 get_signal+0x2671/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x8c/0x540 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] __do_fast_syscall_32+0x4a4/0x680 arch/x86/entry/syscall_32.c:310 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f14579 Code: Unable to access opcode bytes at 0xf7f1454f. RSP: 002b:00000000f53e560c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 RAX: fffffffffffffe00 RBX: 00000000f73d5020 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f73d5024 RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000