RBP: 00007fedf9c0afd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000000000 R14: 0000000000000003 R15: 0000000000000000
 </TASK>
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 1723 Comm: syz.4.465 Not tainted syzkaller #0 28f921879e8f15dfc7a8f0390122ef60233eff00
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:do_trace_event_raw_event_udc_log_req drivers/usb/gadget/udc/trace.h:242 [inline]
RIP: 0010:trace_event_raw_event_udc_log_req+0x1c1/0x6e0 drivers/usb/gadget/udc/trace.h:223
Code: 1c 3f 4c 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 ce 02 00 00 41 c6 07 00 48 8b 54 24 08 4c 8d 7a 08 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 c8 02 00 00 41 8b 1f 4d 8d 7c 24 0c 4c
RSP: 0018:ffffc9000f99f680 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000000000065
RDX: 0000000000000000 RSI: ffffffff866d6fe0 RDI: ffff8881233a57e8
RBP: ffffc9000f99f778 R08: 0000000000000070 R09: 0000000000000030
R10: dffffc0000000000 R11: ffffed1024674afe R12: ffff8881233a57a8
R13: ffffffff866d6fe0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fedf9c0c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000089d000 CR3: 0000000113420000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 trace_usb_ep_alloc_request drivers/usb/gadget/udc/trace.h:264 [inline]
 usb_ep_alloc_request+0x16e/0x1c0 drivers/usb/gadget/udc/core.c:202
 gadget_bind+0xe5/0x590 drivers/usb/gadget/legacy/raw_gadget.c:294
 gadget_bind_driver+0x301/0x9c0 drivers/usb/gadget/udc/core.c:1641
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
 __driver_probe_device+0x193/0x280 drivers/base/dd.c:799
 driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
 __driver_attach+0x422/0x5e0 drivers/base/dd.c:1215
 bus_for_each_dev+0x249/0x2d0 drivers/base/bus.c:370
 driver_attach+0x46/0x50 drivers/base/dd.c:1233
 bus_add_driver+0x393/0x730 drivers/base/bus.c:675
 driver_register+0x2b7/0x3c0 drivers/base/driver.c:246
 usb_gadget_register_driver_owner+0xfc/0x270 drivers/usb/gadget/udc/core.c:1731
 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:596 [inline]
 raw_ioctl+0x144c/0x37a0 drivers/usb/gadget/legacy/raw_gadget.c:1307
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x135/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fedf8d9dd6b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fedf9c09f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fedf8d9dd6b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007fedf9c0afd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000000000 R14: 0000000000000003 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_trace_event_raw_event_udc_log_req drivers/usb/gadget/udc/trace.h:242 [inline]
RIP: 0010:trace_event_raw_event_udc_log_req+0x1c1/0x6e0 drivers/usb/gadget/udc/trace.h:223
Code: 1c 3f 4c 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 ce 02 00 00 41 c6 07 00 48 8b 54 24 08 4c 8d 7a 08 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 c8 02 00 00 41 8b 1f 4d 8d 7c 24 0c 4c
RSP: 0018:ffffc9000f99f680 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000000000065
RDX: 0000000000000000 RSI: ffffffff866d6fe0 RDI: ffff8881233a57e8
RBP: ffffc9000f99f778 R08: 0000000000000070 R09: 0000000000000030
R10: dffffc0000000000 R11: ffffed1024674afe R12: ffff8881233a57a8
R13: ffffffff866d6fe0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fedf9c0c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000089d000 CR3: 0000000113420000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	1c 3f                	sbb    $0x3f,%al
   2:	4c 89 f8             	mov    %r15,%rax
   5:	48 c1 e8 03          	shr    $0x3,%rax
   9:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
   e:	84 c0                	test   %al,%al
  10:	0f 85 ce 02 00 00    	jne    0x2e4
  16:	41 c6 07 00          	movb   $0x0,(%r15)
  1a:	48 8b 54 24 08       	mov    0x8(%rsp),%rdx
  1f:	4c 8d 7a 08          	lea    0x8(%rdx),%r15
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 c8 02 00 00    	jne    0x2ff
  37:	41 8b 1f             	mov    (%r15),%ebx
  3a:	4d 8d 7c 24 0c       	lea    0xc(%r12),%r15
  3f:	4c                   	rex.WR