RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000004c80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
WARNING: CPU: 1 PID: 25288 at block/genhd.c:697 __device_add_disk+0x1068/0x1360 block/genhd.c:697
binder: 25309:25310 transaction failed 29201/-22, size -1125899902748966-7036874417766399 line 2970
Kernel panic - not syncing: panic_on_warn set ...

binder_alloc: binder_alloc_mmap_handler: 25309 20001000-20004000 already mapped failed -16
CPU: 1 PID: 25288 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #175
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+0x1c4/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
binder: BINDER_SET_CONTEXT_MGR already set
binder_alloc: 25309: binder_alloc_buf, no vma
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
binder: 25309:25310 ioctl 40046207 0 returned -16
binder: 25309:25311 transaction failed 29189/-3, size -1125899902748966-7036874417766399 line 2970
binder: undelivered TRANSACTION_ERROR: 29201
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:__device_add_disk+0x1068/0x1360 block/genhd.c:697
binder: undelivered TRANSACTION_ERROR: 29189
Code: ff ff 48 89 df e8 48 d5 47 fe e9 cb f0 ff ff e8 be d5 47 fe e9 85 f4 ff ff e8 c4 64 04 fe 0f 0b e9 54 fb ff ff e8 b8 64 04 fe <0f> 0b e9 cb fe ff ff 4c 89 f7 e8 99 d5 47 fe e9 0e f1 ff ff e8 af
RSP: 0018:ffff88018b2ff9e8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88018f5be280 RCX: ffffc9000a2bc000
RDX: 0000000000040000 RSI: ffffffff837a70d8 RDI: 0000000000000005
RBP: ffff88018b2ffbb8 R08: ffff880193922700 R09: fffffbfff128759a
R10: fffffbfff128759a R11: ffffffff8943acd3 R12: 00000000fffffff4
R13: ffff88018b2ffb90 R14: ffff88018f5be7f0 R15: ffff88018f5be284
 device_add_disk+0x22/0x30 block/genhd.c:717
 add_disk include/linux/genhd.h:408 [inline]
 loop_add+0x741/0xa30 drivers/block/loop.c:1909
 loop_control_ioctl+0x199/0x530 drivers/block/loop.c:2006
 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline]
 __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline]
 __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:1365
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f8dca9
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5f470cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000004c80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..