RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f4aae86d4
R13: 00000000004c2bc6 R14: 00000000004d5f30 R15: 0000000000000005
WARNING: CPU: 0 PID: 32522 at block/genhd.c:732 __device_add_disk+0xd5a/0x1060 block/genhd.c:732
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 32522 Comm: syz-executor.1 Not tainted 5.2.0-rc6+ #11
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+0x1d8/0x2f8 lib/dump_stack.c:113
 panic+0x28a/0x7c9 kernel/panic.c:219
 __warn+0x216/0x220 kernel/panic.c:576
 report_bug+0x190/0x290 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0xd7/0x450 arch/x86/kernel/traps.c:272
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:__device_add_disk+0xd5a/0x1060 block/genhd.c:732
Code: ff e8 5a a1 24 fe 0f 0b e9 6e fe ff ff e8 4e a1 24 fe 0f 0b e9 da f3 ff ff e8 42 a1 24 fe 0f 0b e9 9a f9 ff ff e8 36 a1 24 fe <0f> 0b e9 56 f8 ff ff e8 2a a1 24 fe 43 80 7c 3d 00 00 0f 85 42 fd
RSP: 0018:ffff8880578079e0 EFLAGS: 00010246
RAX: ffffffff8351106a RBX: 00000000fffffff4 RCX: 0000000000040000
RDX: ffffc90007ffe000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff888057807b10 R08: ffffffff835108ba R09: ffffed1015d46bf8
R10: ffffed1015d46bf8 R11: 1ffff11015d46bf7 R12: ffff8880640ea8c0
R13: ffff8880640ea950 R14: 1ffff1100c81d5c8 R15: dffffc0000000000
 device_add_disk+0x2a/0x40 block/genhd.c:754
 add_disk include/linux/genhd.h:429 [inline]
 loop_add+0x5d1/0x780 drivers/block/loop.c:2056
 loop_control_ioctl+0x4dc/0x730 drivers/block/loop.c:2179
 do_vfs_ioctl+0x7d4/0x1890 fs/ioctl.c:46
 ksys_ioctl fs/ioctl.c:713 [inline]
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0xe3/0x120 fs/ioctl.c:718
 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459519
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9f4aae7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9f4aae7c90 RCX: 0000000000459519
RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f4aae86d4
R13: 00000000004c2bc6 R14: 00000000004d5f30 R15: 0000000000000005
Kernel Offset: disabled
Rebooting in 86400 seconds..