RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000411e71
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fdf6b8eb850
RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 00007fdf6b8ec6d4
R13: 00000000004c67fc R14: 00000000004db998 R15: 0000000000000004
WARNING: CPU: 0 PID: 22889 at block/genhd.c:717 __device_add_disk+0x10eb/0x13c0 block/genhd.c:717
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 22889 Comm: syz-executor5 Not tainted 5.0.0-rc1+ #14
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+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 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+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:__device_add_disk+0x10eb/0x13c0 block/genhd.c:717
Code: 4c 89 e7 e8 17 d6 45 fe e9 3a f0 ff ff e8 9d ea 01 fe 0f 0b e9 22 fb ff ff e8 91 ea 01 fe 0f 0b e9 d3 f6 ff ff e8 85 ea 01 fe <0f> 0b e9 86 fe ff ff e8 59 45 cb fd 48 8b bd c8 fe ff ff e8 bd d5
RSP: 0018:ffff8880533171e0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888053317338 RCX: ffffc9000feaf000
RDX: 0000000000040000 RSI: ffffffff83800cab RDI: 0000000000000005
RBP: ffff888053317360 R08: ffff888098872240 R09: ffffed1015cc5b90
R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: ffff88807e2fa100
R13: 00000000fffffff4 R14: ffff88807e2fa190 R15: 0000000000000000
 device_add_disk+0x2b/0x40 block/genhd.c:739
 add_disk include/linux/genhd.h:422 [inline]
 loop_add+0x71d/0xa30 drivers/block/loop.c:1968
 loop_probe+0x18e/0x1d0 drivers/block/loop.c:2040
 kobj_lookup+0x265/0x460 drivers/base/map.c:124
 get_gendisk+0x4d/0x380 block/genhd.c:847
 bdev_get_gendisk fs/block_dev.c:1089 [inline]
 __blkdev_get+0x481/0x1400 fs/block_dev.c:1484
 blkdev_get+0xc1/0xae0 fs/block_dev.c:1640
 blkdev_open+0x205/0x290 fs/block_dev.c:1798
 do_dentry_open+0x48a/0x1210 fs/open.c:771
 vfs_open+0xa0/0xd0 fs/open.c:880
 do_last fs/namei.c:3418 [inline]
 path_openat+0x144f/0x5650 fs/namei.c:3534
 do_filp_open+0x26f/0x370 fs/namei.c:3564
 do_sys_open+0x59a/0x7c0 fs/open.c:1063
 __do_sys_open fs/open.c:1081 [inline]
 __se_sys_open fs/open.c:1076 [inline]
 __x64_sys_open+0x7e/0xc0 fs/open.c:1076
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x411e71
Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 2a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 73 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fdf6b8eb7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000411e71
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fdf6b8eb850
RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 00007fdf6b8ec6d4
R13: 00000000004c67fc R14: 00000000004db998 R15: 0000000000000004
Kernel Offset: disabled
Rebooting in 86400 seconds..