------------[ cut here ]------------ WARNING: CPU: 0 PID: 26637 at drivers/md/md.c:7536 md_ioctl+0x5737/0x6a70 drivers/md/md.c:7536 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 26637 Comm: syz-executor.1 Not tainted 5.8.0-rc7-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+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540 RIP: 0010:md_ioctl+0x5737/0x6a70 drivers/md/md.c:7536 Code: 48 8b 5c 24 08 48 89 df e8 d6 fc fb ff 48 89 df e8 4e d0 00 00 48 89 df e8 e6 03 fc ff 45 31 ed e9 98 00 00 00 e8 09 ba c4 fb <0f> 0b e9 85 af ff ff e8 fd b9 c4 fb 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90008e57d30 EFLAGS: 00010293 RAX: ffffffff85afd857 RBX: 0000000000000002 RCX: ffff8880774a03c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90008e57e68 R08: ffffffff85af87d4 R09: ffffed101329f806 R10: ffffed101329f806 R11: 0000000000000000 R12: 0000000000000932 R13: dffffc0000000000 R14: ffff8880994fc028 R15: ffff8880994fc1c8 __blkdev_driver_ioctl block/ioctl.c:224 [inline] blkdev_ioctl+0x2a6/0x5c0 block/ioctl.c:620 block_ioctl+0xbc/0x100 fs/block_dev.c:1988 vfs_ioctl fs/ioctl.c:48 [inline] ksys_ioctl fs/ioctl.c:753 [inline] __do_sys_ioctl fs/ioctl.c:762 [inline] __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:760 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cc79 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:00007f5a9ae74c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000008c40 RCX: 000000000045cc79 RDX: 0000000020001200 RSI: 0000000000000932 RDI: 0000000000000004 RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c R13: 00007fffe4df35ff R14: 00007f5a9ae759c0 R15: 000000000078bf0c Kernel Offset: disabled Rebooting in 86400 seconds..