md: md0 stopped. WARNING: CPU: 0 PID: 12580 at drivers/md/md.c:7217 md_ioctl+0x3c19/0x57b0 drivers/md/md.c:7217 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12580 Comm: syz-executor.4 Not tainted 4.19.139-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/0x2fe lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x61 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:md_ioctl+0x3c19/0x57b0 drivers/md/md.c:7217 Code: 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 7b 0a 00 00 c7 85 40 01 00 00 00 00 00 00 e9 8e ec ff ff e8 57 23 50 fc <0f> 0b e9 78 d2 ff ff e8 4b 23 50 fc 44 89 e6 bf 23 09 48 40 e8 ae RSP: 0018:ffff888044097988 EFLAGS: 00010206 RAX: 0000000000040000 RBX: 1ffff11008812f39 RCX: ffffc9000e408000 RDX: 00000000000000b0 RSI: ffffffff85198c69 RDI: 0000000000000007 RBP: ffff8882163baec0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000932 R13: 0000000000000932 R14: 0000000000000001 R15: ffff888219ee5740 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a7e block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1896 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43 sclass=netlink_route_socket pid=12588 comm=syz-executor.5 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ce69 Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f090fdc7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000008c80 RCX: 000000000045ce69 RDX: 0000000000000000 RSI: 0000000000000932 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd9cffa69f R14: 00007f090fdc89c0 R15: 000000000118bf2c Kernel Offset: disabled Rebooting in 86400 seconds..