kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5641 Comm: syz-executor.0 Not tainted 5.4.147-syzkaller-00035-g792619fa3479 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__device_attach+0xb4/0x470 drivers/base/dd.c:899
Code: 5c 24 68 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fd 02 02 ff 4c 8b 2b 49 8d 9d c8 00 00 00 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 0f 85 1d 03 00 00 0f b6 1b 83 e3 01 45 31 ff 31
RSP: 0018:ffff8881814673e0 EFLAGS: 00010202
RAX: 0000000000000019 RBX: 00000000000000c8 RCX: ffffffff84477d46
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888181467360
RBP: ffff8881814674b0 R08: dffffc0000000000 R09: ffffed103028ce6d
R10: ffffed103028ce6d R11: 0000000000000000 R12: ffff8881a4793030
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f62e3210700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe8459efd58 CR3: 00000001a8b7d000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
proc_ioctl+0x433/0x600 drivers/usb/core/devio.c:2259
usbdev_do_ioctl+0x3945/0x67e0 drivers/usb/core/devio.c:2294
usbdev_ioctl+0x1e/0x30 drivers/usb/core/devio.c:2710
do_vfs_ioctl+0x76a/0x1720 fs/ioctl.c:47
ksys_ioctl fs/ioctl.c:742 [inline]
__do_sys_ioctl fs/ioctl.c:749 [inline]
__se_sys_ioctl fs/ioctl.c:747 [inline]
__x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747
do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f62e5499a39
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f62e3210188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f62e559cf60 RCX: 00007f62e5499a39
RDX: 0000000020000040 RSI: 00000000c00c5512 RDI: 0000000000000003
RBP: 00007f62e54f3e8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc44c427bf R14: 00007f62e3210300 R15: 0000000000022000
Modules linked in:
---[ end trace 3fe3319ae0275d41 ]---
RIP: 0010:__device_attach+0xb4/0x470 drivers/base/dd.c:899
Code: 5c 24 68 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fd 02 02 ff 4c 8b 2b 49 8d 9d c8 00 00 00 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 0f 85 1d 03 00 00 0f b6 1b 83 e3 01 45 31 ff 31
RSP: 0018:ffff8881814673e0 EFLAGS: 00010202
RAX: 0000000000000019 RBX: 00000000000000c8 RCX: ffffffff84477d46
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888181467360
RBP: ffff8881814674b0 R08: dffffc0000000000 R09: ffffed103028ce6d
R10: ffffed103028ce6d R11: 0000000000000000 R12: ffff8881a4793030
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f62e3210700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001a8b7d000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 5c pop %rsp
1: 24 68 and $0x68,%al
3: 48 89 d8 mov %rbx,%rax
6: 48 c1 e8 03 shr $0x3,%rax
a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
f: 74 08 je 0x19
11: 48 89 df mov %rbx,%rdi
14: e8 fd 02 02 ff callq 0xff020316
19: 4c 8b 2b mov (%rbx),%r13
1c: 49 8d 9d c8 00 00 00 lea 0xc8(%r13),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 8a 04 30 mov (%rax,%r14,1),%al <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 1d 03 00 00 jne 0x353
36: 0f b6 1b movzbl (%rbx),%ebx
39: 83 e3 01 and $0x1,%ebx
3c: 45 31 ff xor %r15d,%r15d
3f: 31 .byte 0x31