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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 110 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124
Code: 4d 00 48 c7 c0 a0 61 6d 86 49 c7 c0 c0 61 6d 86 4c 0f 44 c0 48 c7 c7 60 61 6d 86 48 c7 c6 63 75 1d 87 44 89 f2 e8 50 2b 4b fd <0f> 0b e9 4c ff ff ff e8 c4 59 ce fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007878 EFLAGS: 00010046
RAX: c44e7d77d7ade600 RBX: ffff888104ff40b0 RCX: ffff88810d308000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900000078a0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000
R13: ffff888104ff40b8 R14: 0000000000000081 R15: ffff88810e6463ba
FS: 00007f6e33351880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010e37e000 CR4: 00000000003526b0
DR0: 0000000000000004 DR1: 00000000000001f8 DR2: fffffffffffffffe
DR3: ffffffdfefffff17 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057
set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021
composite_setup+0x18b0/0x3320 drivers/usb/gadget/composite.c:1929
configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883
dummy_timer+0x2eee/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935
__run_hrtimer kernel/time/hrtimer.c:1758 [inline]
__hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822
hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
handle_softirqs+0x1aa/0x620 kernel/softirq.c:621
__do_softirq kernel/softirq.c:659 [inline]
invoke_softirq kernel/softirq.c:476 [inline]
__irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708
irq_exit_rcu+0xd/0x30 kernel/softirq.c:720
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:do_inode_permission fs/namei.c:466 [inline]
RIP: 0010:inode_permission+0x67/0x4c0 fs/namei.c:535
Code: 3f 50 99 ff 4c 89 6d c8 4d 8d 7e 02 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 68 03 00 00 <45> 0f b7 2f 44 89 ee 83 e6 01 31 ff e8 a8 53 99 ff 41 83 e5 01 0f
RSP: 0018:ffffc90000ebf8a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000081 RCX: ffff88810d308000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ebf8d8 R08: ffff88810d308000 R09: 0000000000000002
R10: 000000000000002f R11: 0000000000000000 R12: 1ffff110220927de
R13: 0000000000000000 R14: ffff888110493ef0 R15: ffff888110493ef2
may_lookup fs/namei.c:1768 [inline]
link_path_walk+0x22d/0xeb0 fs/namei.c:2374
path_openat+0x298/0x35a0 fs/namei.c:3937
do_filp_open+0x1f2/0x440 fs/namei.c:3968
do_sys_openat2+0x134/0x1d0 fs/open.c:1434
do_sys_open fs/open.c:1449 [inline]
__do_sys_openat fs/open.c:1465 [inline]
__se_sys_openat fs/open.c:1460 [inline]
__x64_sys_openat+0x13a/0x170 fs/open.c:1460
x64_sys_call+0xe69/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:258
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: 0033:0x7f6e32ca7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd19a32d00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6e33351880 RCX: 00007f6e32ca7407
RDX: 0000000000080141 RSI: 000055c0953aa02e RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff
R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 50 push %rax
1: 99 cltd
2: ff 4c 89 6d decl 0x6d(%rcx,%rcx,4)
6: c8 4d 8d 7e enter $0x8d4d,$0x7e
a: 02 4d 89 add -0x77(%rbp),%cl
d: fc cld
e: 49 c1 ec 03 shr $0x3,%r12
12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
19: fc ff df
1c: 41 0f b6 04 04 movzbl (%r12,%rax,1),%eax
21: 84 c0 test %al,%al
23: 0f 85 68 03 00 00 jne 0x391
* 29: 45 0f b7 2f movzwl (%r15),%r13d <-- trapping instruction
2d: 44 89 ee mov %r13d,%esi
30: 83 e6 01 and $0x1,%esi
33: 31 ff xor %edi,%edi
35: e8 a8 53 99 ff call 0xff9953e2
3a: 41 83 e5 01 and $0x1,%r13d
3e: 0f .byte 0xf