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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480 drivers/usb/gadget/udc/core.c:124, CPU#0: syslogd/4696
Modules linked in:
CPU: 0 UID: 0 PID: 4696 Comm: syslogd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: 7a 7a 67 fa 49 83 3f 00 48 c7 c0 a0 d0 f4 8c 49 c7 c0 c0 d0 f4 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 2f 96 94 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 90 74 ee f9 65 8b
RSP: 0018:ffffc90000007910 EFLAGS: 00010082
RAX: ffffffff8cf4d0a0 RBX: ffff88803580c0e0 RCX: ffffffff8cf4ef80
RDX: 0000000000000081 RSI: ffffffff8e94962f RDI: ffffffff91cc2a90
RBP: dffffc0000000000 R08: ffffffff8cf4d0c0 R09: 0000000000000002
R10: 0000000000000003 R11: 8000000000000100 R12: ffffffff8cf4ef80
R13: 0000000000000081 R14: ffffffff91cc2a90 R15: ffff88803580c0f8
FS: 00007fa567854c80(0000) GS:ffff88808a9fe000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000002a0000 CR3: 0000000013935000 CR4: 0000000000352ef0
Call Trace:
hidg_set_alt+0x12a/0xa60 drivers/usb/gadget/function/f_hid.c:1042
set_config+0x749/0x1160 drivers/usb/gadget/composite.c:1018
composite_setup+0x1de7/0x3480 drivers/usb/gadget/composite.c:1901
configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1877
dummy_timer+0x2f30/0x4ce0 drivers/usb/gadget/udc/dummy_hcd.c:1983
__run_hrtimer kernel/time/hrtimer.c:2079 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2136
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2153
handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
__do_softirq kernel/softirq.c:703 [inline]
invoke_softirq kernel/softirq.c:542 [inline]
__irq_exit_rcu+0xc6/0x220 kernel/softirq.c:786
irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5434
Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 e7 47 73 0a e8 92 9a 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 18 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90001ae74e0 EFLAGS: 00000206
RAX: 000000000001193f RBX: ffff88801f83d3a0 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e6add33 RDI: ffffffff8c8ebd80
RBP: ffffc90001ae7530 R08: ffffffff91be2abf R09: 1ffffffff237c557
R10: dffffc0000000000 R11: fffffbfff237c558 R12: ffff888035242580
R13: ffff88801f83d378 R14: dffffc0000000000 R15: 1ffff11003f07a74
context_switch kernel/sched/core.c:5586 [inline]
__schedule+0x17e5/0x5830 kernel/sched/core.c:7382
__schedule_loop kernel/sched/core.c:7459 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7474
schedule_timeout+0xc0/0x2c0 kernel/time/sleep_timeout.c:75
__skb_wait_for_more_packets+0x332/0x600 net/core/datagram.c:123
__unix_dgram_recvmsg+0x29a/0xeb0 net/unix/af_unix.c:2607
sock_recvmsg_nosec net/socket.c:1154 [inline]
sock_recvmsg+0x196/0x1e0 net/socket.c:1176
sock_read_iter+0x22a/0x2f0 net/socket.c:1245
new_sync_read fs/read_write.c:493 [inline]
vfs_read+0x595/0xa80 fs/read_write.c:574
ksys_read+0x150/0x270 fs/read_write.c:716
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5679a4407
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:00007ffe8fbca760 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fa567854c80 RCX: 00007fa5679a4407
RDX: 00000000000000ff RSI: 000055b8e9bd8950 RDI: 0000000000000000
RBP: 000055b8e9bd8910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055b8e9bd89b9
R13: 0000000000000000 R14: 000055b8e9bd8950 R15: 000055b8b9f0ad98
----------------
Code disassembly (best guess):
0: 7a 7a jp 0x7c
2: 67 fa addr32 cli
4: 49 83 3f 00 cmpq $0x0,(%r15)
8: 48 c7 c0 a0 d0 f4 8c mov $0xffffffff8cf4d0a0,%rax
f: 49 c7 c0 c0 d0 f4 8c mov $0xffffffff8cf4d0c0,%r8
16: 4c 0f 44 c0 cmove %rax,%r8
1a: 4c 89 f7 mov %r14,%rdi
1d: 48 c7 c6 2f 96 94 8e mov $0xffffffff8e94962f,%rsi
24: 44 89 ea mov %r13d,%edx
27: 4c 89 e1 mov %r12,%rcx
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: bd ea ff ff ff mov $0xffffffea,%ebp
34: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
39: e8 90 74 ee f9 call 0xf9ee74ce
3e: 65 gs
3f: 8b .byte 0x8b