usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 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: 1 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:ffffc90000230878 EFLAGS: 00010046
RAX: d3d1070b87569e00 RBX: ffff888104f740b0 RCX: ffff88810cfe0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900002308a0 R08: ffff8881f6f294d3 R09: 1ffff1103ede529a
R10: dffffc0000000000 R11: ffffed103ede529b R12: dffffc0000000000
R13: ffff888104f740b8 R14: 0000000000000081 R15: ffff888108796fba
FS: 00007f8a6748b880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f761ffa883c CR3: 000000010e7d2000 CR4: 00000000003526b0
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:__shmem_get_inode mm/shmem.c:2954 [inline]
RIP: 0010:shmem_get_inode+0x882/0xc10 mm/shmem.c:3012
Code: 3b 17 00 49 c7 06 80 b4 34 86 49 8d 7d 20 48 89 f8 48 c1 e8 03 42 80 3c 38 00 74 05 e8 37 3b 17 00 49 c7 44 24 20 c0 c7 34 86 <49> 81 c5 78 01 00 00 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 74 08 4c
RSP: 0018:ffffc90000e7f8d0 EFLAGS: 00000246
RAX: 1ffff110210e75a6 RBX: ffff88810873ad40 RCX: ffff88810cfe0000
RDX: 0000000000000000 RSI: ffffffff87685f10 RDI: ffff88810873ad30
RBP: ffffc90000e7f940 R08: ffff88810cfe0000 R09: 0000000000000003
R10: 000000000000a000 R11: 0000000000000000 R12: ffff88810873ad10
R13: ffff88810873ad10 R14: ffff88810873af20 R15: dffffc0000000000
shmem_mknod+0x63/0x200 mm/shmem.c:3682
shmem_create+0x38/0x50 mm/shmem.c:3753
lookup_open fs/namei.c:3603 [inline]
open_last_lookups fs/namei.c:3702 [inline]
path_openat+0x150e/0x35a0 fs/namei.c:3938
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: 0033:0x7f8a66ca7407
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:00007ffe22183de0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8a6748b880 RCX: 00007f8a66ca7407
RDX: 0000000000080141 RSI: 000055fdcf62102e 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), 3 bytes skipped:
0: 49 c7 06 80 b4 34 86 movq $0xffffffff8634b480,(%r14)
7: 49 8d 7d 20 lea 0x20(%r13),%rdi
b: 48 89 f8 mov %rdi,%rax
e: 48 c1 e8 03 shr $0x3,%rax
12: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
17: 74 05 je 0x1e
19: e8 37 3b 17 00 call 0x173b55
1e: 49 c7 44 24 20 c0 c7 movq $0xffffffff8634c7c0,0x20(%r12)
25: 34 86
* 27: 49 81 c5 78 01 00 00 add $0x178,%r13 <-- trapping instruction
2e: 4c 89 e8 mov %r13,%rax
31: 48 c1 e8 03 shr $0x3,%rax
35: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
3a: 74 08 je 0x44
3c: 4c rex.WR