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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 5324 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x27c/0x4d0 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 0 PID: 5324 Comm: syz.0.284 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_ep_enable+0x27c/0x4d0 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 80 e4 3e 8b 49 c7 c0 a0 e4 3e 8b 4c 0f 44 c0 48 c7 c7 40 e4 3e 8b 48 c7 c6 0d f9 63 8c 89 ea e8 f4 09 ce fa <0f> 0b e9 c4 fe ff ff e8 08 83 02 fb 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007768 EFLAGS: 00010046
RAX: 8f39941d8def4e00 RBX: ffff888144fcc0e0 RCX: ffff88802f61bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8e279db R09: 1ffff110171c4f3b
R10: dffffc0000000000 R11: ffffed10171c4f3c R12: dffffc0000000000
R13: ffff888144fcc10d R14: ffff888144fcc0e8 R15: ffff88807f75adb2
FS: 00007f6df81826c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f88585890 CR3: 00000000750fe000 CR4: 00000000003506f0
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+0x6e8/0xf70 drivers/usb/gadget/composite.c:986
composite_setup+0x194c/0x2b00 drivers/usb/gadget/composite.c:1893
configfs_composite_setup+0xc3/0x100 drivers/usb/gadget/configfs.c:1484
dummy_timer+0x1305/0x34e0 drivers/usb/gadget/udc/dummy_hcd.c:1950
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
handle_softirqs+0x291/0x910 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5125
Code: d9 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 e9 e7 04 00 00 4c 89 e7 e8 93 20 e3 08 e8 1e 18 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9001c8d77a0 EFLAGS: 00000286
RAX: 8f39941d8def4e00 RBX: 0000000000000000 RCX: 8f39941d8def4e00
RDX: dffffc0000000000 RSI: ffffffff8a8c18a0 RDI: ffffffff8adf68a0
RBP: ffffc9001c8d77f0 R08: ffffffff90b0f247 R09: 1ffffffff2161e48
R10: dffffc0000000000 R11: fffffbfff2161e49 R12: ffff88802f61bc00
R13: 1ffff110171c76f2 R14: dffffc0000000000 R15: ffff8880b8e3b790
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x1087/0x4030 kernel/sched/core.c:6563
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6875
irqentry_exit+0x63/0x70 kernel/entry/common.c:442
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5726
Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc9001c8d7b18 EFLAGS: 00000206
RAX: 8f39941d8def4e00 RBX: ffff88802f61bc00 RCX: 8f39941d8def4e00
RDX: dffffc0000000000 RSI: ffffffff8a8c2a20 RDI: ffffffff8adf68a0
RBP: 0000000000000001 R08: ffff888017466063 R09: 000000000000000f
R10: dffffc0000000000 R11: ffffed1002e8cc0d R12: 0000000000000003
R13: 0000000000000246 R14: ffffffff8c9df488 R15: ffff88802f61c758
lock_is_held include/linux/lockdep.h:283 [inline]
text_poke arch/x86/kernel/alternative.c:1478 [inline]
text_poke_bp_batch+0x691/0x850 arch/x86/kernel/alternative.c:1852
text_poke_flush arch/x86/kernel/alternative.c:1965 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1972
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x11f/0x240 kernel/jump_label.c:207
static_key_enable+0x16/0x20 kernel/jump_label.c:220
__sched_core_enable kernel/sched/core.c:377 [inline]
sched_core_get+0xa6/0x1c0 kernel/sched/core.c:401
sched_core_alloc_cookie+0x71/0xa0 kernel/sched/core_sched.c:18
sched_core_share_pid+0x32e/0x760 kernel/sched/core_sched.c:185
__do_sys_prctl kernel/sys.c:2669 [inline]
__se_sys_prctl+0x237/0x1100 kernel/sys.c:2395
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6df739e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f6df8182028 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007f6df7625fa0 RCX: 00007f6df739e159
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000003e
RBP: 00007f6df743506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6df7626038 R14: 00007f6df7625fa0 R15: 00007ffe8c815828
----------------
Code disassembly (best guess):
0: d9 08 (bad) (%rax)
2: 85 c0 test %eax,%eax
4: 0f 84 38 01 00 00 je 0x142
a: 48 85 db test %rbx,%rbx
d: 0f 85 57 01 00 00 jne 0x16a
13: e9 e7 04 00 00 jmp 0x4ff
18: 4c 89 e7 mov %r12,%rdi
1b: e8 93 20 e3 08 call 0x8e320b3
20: e8 1e 18 2f 00 call 0x2f1843
25: fb sti
26: 4c 8b 65 b8 mov -0x48(%rbp),%r12
* 2a: 49 8d bc 24 f8 15 00 lea 0x15f8(%r12),%rdi <-- trapping instruction
31: 00
32: 48 89 f8 mov %rdi,%rax
35: 48 c1 e8 03 shr $0x3,%rax
39: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax
3e: 84 c0 test %al,%al