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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 4380 at drivers/usb/gadget/udc/core.c:108 usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Modules linked in:
CPU: 1 PID: 4380 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Code: 49 8b 0e 48 c7 c0 00 29 d5 8a 49 c7 c0 20 29 d5 8a 4c 0f 44 c0 48 c7 c7 c0 28 d5 8a 48 c7 c6 63 bb e1 8b 89 ea e8 c1 70 80 03 <0f> 0b e9 e1 fe ff ff e8 85 3b 43 fb 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000dd0688 EFLAGS: 00010046
RAX: 8439a0971c843400 RBX: ffff8880240600e0 RCX: ffff88801de45940
RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000
RBP: 0000000000000081 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: dffffc0000000000
R13: ffff88802406010d R14: ffff8880240600e8 R15: ffff88805d651bba
FS: 0000555582383500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f48f253ddc0 CR3: 0000000053237000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hidg_set_alt+0x126/0xa00 drivers/usb/gadget/function/f_hid.c:822
set_config+0x734/0xfa0 drivers/usb/gadget/composite.c:972
composite_setup+0x1999/0x2b60 drivers/usb/gadget/composite.c:1878
configfs_composite_setup+0xc3/0x100 drivers/usb/gadget/configfs.c:1492
dummy_timer+0x1338/0x34a0 drivers/usb/gadget/udc/dummy_hcd.c:1944
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_switch+0x54/0xe0 kernel/kcov.c:327
Code: 48 8b 06 48 85 c0 0f 84 a4 00 00 00 41 57 41 56 41 54 53 48 8d 4c 09 01 48 8b 54 24 20 65 4c 8b 05 71 56 89 7e 45 31 c9 eb 08 <49> ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d 5f 56 89 7e 41
RSP: 0018:ffffc900014ef7e8 EFLAGS: 00000293
RAX: 0000000000000012 RBX: ffff0a00ffffff04 RCX: 0000000000000001
RDX: ffffffff840c04ae RSI: ffffffff8c94fb00 RDI: 0000000000000004
RBP: ffffffff8a73eb27 R08: ffff88801de45940 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004
R13: ffffc900014ef9c5 R14: 0000000000000002 R15: ffffffff8a73eb25
vsnprintf+0x10e/0x1c20 lib/vsprintf.c:2767
tomoyo_supervisor+0x183/0x1190 security/tomoyo/common.c:2069
tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
tomoyo_path_permission+0x262/0x3a0 security/tomoyo/file.c:587
tomoyo_path_perm+0x3b0/0x5d0 security/tomoyo/file.c:838
tomoyo_path_symlink+0xa8/0xf0 security/tomoyo/tomoyo.c:199
security_path_symlink+0xdc/0x130 security/security.c:1229
do_symlinkat+0x105/0x6b0 fs/namei.c:4504
__do_sys_symlinkat fs/namei.c:4526 [inline]
__se_sys_symlinkat fs/namei.c:4523 [inline]
__x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4523
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f48f252c217
Code: 44 00 00 48 89 f2 31 c9 48 89 fe bf 9c ff ff ff e9 8e f5 ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 0a 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf2f948e8 EFLAGS: 00000206 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48f252c217
RDX: 00007f48f25c502d RSI: 00000000ffffff9c RDI: 00007ffdf2f94980
RBP: 00007ffdf2f9492c R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007
R13: 00000000000927c0 R14: 0000000000013e4e R15: 00007ffdf2f94980
----------------
Code disassembly (best guess):
0: 48 8b 06 mov (%rsi),%rax
3: 48 85 c0 test %rax,%rax
6: 0f 84 a4 00 00 00 je 0xb0
c: 41 57 push %r15
e: 41 56 push %r14
10: 41 54 push %r12
12: 53 push %rbx
13: 48 8d 4c 09 01 lea 0x1(%rcx,%rcx,1),%rcx
18: 48 8b 54 24 20 mov 0x20(%rsp),%rdx
1d: 65 4c 8b 05 71 56 89 mov %gs:0x7e895671(%rip),%r8 # 0x7e895696
24: 7e
25: 45 31 c9 xor %r9d,%r9d
28: eb 08 jmp 0x32
* 2a: 49 ff c1 inc %r9 <-- trapping instruction
2d: 4c 39 c8 cmp %r9,%rax
30: 74 77 je 0xa9
32: 4e 8b 54 ce 10 mov 0x10(%rsi,%r9,8),%r10
37: 65 44 8b 1d 5f 56 89 mov %gs:0x7e89565f(%rip),%r11d # 0x7e89569e
3e: 7e
3f: 41 rex.B