EXT4-fs (sda1): shut down requested (0) ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(sem->owner != get_current()) WARNING: CPU: 1 PID: 13758 at kernel/locking/rwsem.c:133 up_write+0x1c6/0x210 kernel/locking/rwsem.c:133 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13758 Comm: syz-executor3 Not tainted 4.17.0-rc5+ #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 panic+0x22f/0x4de kernel/panic.c:184 __warn.cold.8+0x163/0x1b3 kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:up_write+0x1c6/0x210 kernel/locking/rwsem.c:133 RSP: 0018:ffff880184257680 EFLAGS: 00010286 RAX: 0000000000000030 RBX: ffff8801cc522b00 RCX: ffffc90001bb4000 RDX: 00000000000130e9 RSI: ffffffff8160f711 RDI: 0000000000000001 RBP: ffff880184257708 R08: ffff8801ab604700 R09: fffffbfff11b090c R10: fffffbfff11b090c R11: ffffffff88d84863 R12: 1ffff1003084aed0 R13: dffffc0000000000 R14: ffff8801842576e0 R15: ffff8801cc522b58 percpu_up_write+0xcd/0x110 kernel/locking/percpu-rwsem.c:183 sb_freeze_unlock fs/super.c:1435 [inline] thaw_super_locked+0x1f5/0x260 fs/super.c:1568 thaw_super+0x1e/0x30 fs/super.c:1578 thaw_bdev+0x162/0x1a0 fs/block_dev.c:555 ext4_shutdown fs/ext4/ioctl.c:486 [inline] ext4_ioctl+0x180e/0x4210 fs/ext4/ioctl.c:1043 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007f42c864cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f42c864d6d4 RCX: 0000000000455a09 RDX: 0000000020000000 RSI: 000000008004587d RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000001e0 R14: 00000000006f6da0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..