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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 111 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: 111 Comm: udevd Not tainted syzkaller #0 3cc70382b65b9d7164db2b4c9185747e14a17ef7
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 60 6d 86 49 c7 c0 c0 60 6d 86 4c 0f 44 c0 48 c7 c7 60 60 6d 86 48 c7 c6 63 74 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: 3e93929b12dabb00 RBX: ffff888104f540b0 RCX: ffff88810db19300
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900002308a0 R08: ffff8881f6f294d3 R09: 1ffff1103ede529a
R10: dffffc0000000000 R11: ffffed103ede529b R12: dffffc0000000000
R13: ffff888104f540b8 R14: 0000000000000081 R15: ffff8881170294ba
FS: 00007f1d1635b880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010e310000 CR4: 00000000003526b0
DR0: 0008000000000004 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:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 98 05 48 89 de e8 40 c8 54 00 5b 5d e9 19 59 20 04 cc cc cc cc cc cc cc cc cc b8 aa b4 75 c7 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 e5 48 8b 45 08 65 48 8b 0d 0c 75 7d 7e 65 8b
RSP: 0018:ffffc90000e8f6c0 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888116bd7480 RCX: 0000000000000005
RDX: ffffffff81e974a8 RSI: ffffffff876cb2a0 RDI: ffff888116bd7480
RBP: ffffc90000e8f6d0 R08: ffff88810db19300 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff888116bd7480 R15: 00000000000000ee
check_heap_object mm/usercopy.c:178 [inline]
__check_object_size+0x108/0x870 mm/usercopy.c:257
check_object_size include/linux/thread_info.h:215 [inline]
check_copy_size include/linux/thread_info.h:251 [inline]
copy_to_iter include/linux/uio.h:210 [inline]
simple_copy_to_iter net/core/datagram.c:524 [inline]
__skb_datagram_iter+0xf4/0x940 net/core/datagram.c:401
skb_copy_datagram_iter+0x44/0x160 net/core/datagram.c:538
skb_copy_datagram_msg include/linux/skbuff.h:4146 [inline]
netlink_recvmsg+0x2d4/0xe60 net/netlink/af_netlink.c:1952
sock_recvmsg_nosec net/socket.c:1034 [inline]
sock_recvmsg+0x188/0x1e0 net/socket.c:1056
____sys_recvmsg+0x1e7/0x4a0 net/socket.c:2803
___sys_recvmsg+0x214/0x590 net/socket.c:2845
__sys_recvmsg net/socket.c:2878 [inline]
__do_sys_recvmsg net/socket.c:2884 [inline]
__se_sys_recvmsg net/socket.c:2881 [inline]
__x64_sys_recvmsg+0x1bb/0x2a0 net/socket.c:2881
x64_sys_call+0xdb5/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:48
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: 0033:0x7f1d15ca7407
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:00007fff56cf4270 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f1d1635b880 RCX: 00007f1d15ca7407
RDX: 0000000000000000 RSI: 00007fff56cf4300 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00005558d8c56d80
R13: 00007fff56cf43c0 R14: 00007fff56cf430c R15: 0000000000000000
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess):
0: 98 cwtl
1: 05 48 89 de e8 add $0xe8de8948,%eax
6: 40 c8 54 00 5b rex enter $0x54,$0x5b
b: 5d pop %rbp
c: e9 19 59 20 04 jmp 0x420592a
11: cc int3
12: cc int3
13: cc int3
14: cc int3
15: cc int3
16: cc int3
17: cc int3
18: cc int3
19: cc int3
1a: b8 aa b4 75 c7 mov $0xc775b4aa,%eax
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: 90 nop
25: 90 nop
26: 90 nop
27: 90 nop
28: 90 nop
29: 90 nop
* 2a: f3 0f 1e fa endbr64 <-- trapping instruction
2e: 55 push %rbp
2f: 48 89 e5 mov %rsp,%rbp
32: 48 8b 45 08 mov 0x8(%rbp),%rax
36: 65 48 8b 0d 0c 75 7d mov %gs:0x7e7d750c(%rip),%rcx # 0x7e7d754a
3d: 7e
3e: 65 gs
3f: 8b .byte 0x8b