(syz-executor.1,28876,0):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options NILFS (loop2): couldn't find nilfs on the device (syz-executor.1,28876,0):ocfs2_fill_super:1225 ERROR: status = -22 XFS (loop5): Invalid superblock magic number ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28851 at kernel/workqueue.c:4198 destroy_workqueue.cold+0x11/0x7d kernel/workqueue.c:4198 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 28851 Comm: syz-executor.5 Not tainted 4.19.190-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:destroy_workqueue.cold+0x11/0x7d kernel/workqueue.c:4198 Code: 00 c6 44 24 37 01 e9 ca 08 4d f9 48 c7 c7 80 d9 e0 89 e8 ed 81 a6 f9 eb c2 e8 56 be 70 f9 48 c7 c7 80 3f 69 88 e8 6f c6 00 00 <0f> 0b 48 8b 7c 24 08 e8 5e 86 25 00 e8 b9 04 4d f9 e9 d7 10 4d f9 RSP: 0018:ffff888094d17bd0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffffe8ffffc98e30 RCX: 0000000000000000 RDX: 0000000000019694 RSI: ffffffff814dde61 RDI: ffffed10129a2f6c RBP: 0000000000000005 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a0764040 R13: dffffc0000000000 R14: ffffe8ffffc98e00 R15: 0000000000000001 xfs_destroy_mount_workqueues+0x65/0x1c0 fs/xfs/xfs_super.c:900 xfs_fs_fill_super+0x8ac/0x1540 fs/xfs/xfs_super.c:1746 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x113c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5aee05efa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f5aee05f000 RBP: 00007f5aee05f040 R08: 00007f5aee05f040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f5aee05f000 R15: 0000000020219b00 Kernel Offset: disabled Rebooting in 86400 seconds..