RDX: 00007ffd36dbdc20 RSI: 0000000020000000 RDI: 00007ffd36dbdc40 RBP: 0000000000000000 R08: 00007ffd36dbdc80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000011 R13: 0000000000403a90 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6639 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163 Kernel panic - not syncing: panic_on_warn set ... FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6639 Comm: syz-executor056 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163 RSP: 0018:ffff8880a8f4fc08 EFLAGS: 00010297 RAX: ffff8880a9248640 RBX: 0000000000000000 RCX: 1ffff110152491d7 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6d6b4a8 RBP: ffff888085426100 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880a9248f18 R11: ffff8880a9248640 R12: ffff8880a6d6b100 R13: ffff888085426240 R14: dffffc0000000000 R15: ffffffff87b534c0 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 sget_userns+0x9df/0xc30 fs/super.c:537 sget+0xd1/0x110 fs/super.c:572 mount_bdev+0xcd/0x360 fs/super.c:1107 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x3c9/0x25e0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x44929a RSP: 002b:00007ffd36dbdbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044929a RDX: 00007ffd36dbdc20 RSI: 0000000020000000 RDI: 00007ffd36dbdc40 RBP: 0000000000000000 R08: 00007ffd36dbdc80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000011 R13: 0000000000403a90 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 6649 Comm: syz-executor056 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x2b7/0x3f0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] __alloc_workqueue_key+0x685/0xdc0 kernel/workqueue.c:3996 reiserfs_fill_super+0x39b/0x2850 fs/reiserfs/super.c:1938 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x3c9/0x25e0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x44929a RSP: 002b:00007ffd36dbdbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044929a RDX: 00007ffd36dbdc20 RSI: 0000000020000000 RDI: 00007ffd36dbdc40 RBP: 0000000000000000 R08: 00007ffd36dbdc80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000297 R12: 000000000000000b R13: 0000000000403a90 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..