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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 6233 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 1 PID: 6233 Comm: syz.1.105 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 60 c5 7a 8b 49 c7 c0 80 c5 7a 8b 4c 0f 44 c0 48 c7 c7 20 c5 7a 8b 48 c7 c6 be 8d a6 8c 89 ea e8 9d ba 97 fa <0f> 0b e9 e1 fe ff ff e8 e1 ec cd fa 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc900001f0790 EFLAGS: 00010046
RAX: bcd5eddae5bc8200 RBX: ffff888141fa40e0 RCX: ffff888057b61e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: dffffc0000000000
R13: ffff888141fa410d R14: ffff888141fa40e8 R15: ffff88802d60633a
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f49e48c6000 CR3: 00000000582d3000 CR4: 00000000003506e0
Call Trace:
hidg_set_alt+0x12a/0xa10 drivers/usb/gadget/function/f_hid.c:826
set_config+0x735/0xff0 drivers/usb/gadget/composite.c:1018
composite_setup+0x1df4/0x33a0 drivers/usb/gadget/composite.c:1925
configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1875
dummy_timer+0x1324/0x34e0 drivers/usb/gadget/udc/dummy_hcd.c:1949
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
handle_softirqs+0x27d/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lock_acquire+0xde/0x420 kernel/locking/lockdep.c:5727
Code: 6f 77 00 4c 0f a3 35 19 f5 23 0d 73 0d e8 9a b3 08 00 84 c0 0f 84 2e 02 00 00 48 c7 c0 ac af 8c 8e 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 1d 02 00 00 83 3d af 29 24 0d 00 0f 84 0c 01 00 00 65
RSP: 0018:ffffc9000bc871c0 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: 0000000000000000 RCX: bcd5eddae5bc8200
RDX: 0000000000000000 RSI: ffffffff8b1d0c80 RDI: ffffffff8b1d0c40
RBP: ffffc9000bc872d0 R08: ffffffff8e8c7aef R09: 1ffffffff1d18f5d
R10: dffffc0000000000 R11: fffffbfff1d18f5e R12: 1ffff92001790e44
R13: ffffffff8d131da0 R14: 0000000000000001 R15: dffffc0000000000
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock include/linux/rcupdate.h:786 [inline]
is_bpf_text_address+0x47/0x2a0 kernel/bpf/core.c:742
kernel_text_address+0xa0/0xd0 kernel/extable.c:125
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0x11d/0x190 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4e/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522
____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1811 [inline]
slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837
slab_free mm/slub.c:3830 [inline]
kmem_cache_free+0xf8/0x290 mm/slub.c:3852
vma_lock_free kernel/fork.c:473 [inline]
__vm_area_free+0xe4/0x110 kernel/fork.c:529
remove_vma mm/mmap.c:146 [inline]
exit_mmap+0x61d/0xb90 mm/mmap.c:3326
__mmput+0x118/0x3a0 kernel/fork.c:1362
exit_mm+0x23f/0x340 kernel/exit.c:576
do_exit+0x909/0x2530 kernel/exit.c:877
do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
get_signal+0x12a6/0x1390 kernel/signal.c:2911
arch_do_signal_or_restart+0xc2/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2f24b9e019
Code: Unable to access opcode bytes at 0x7f2f24b9dfef.
RSP: 002b:00007f2f259900e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f2f24e26098 RCX: 00007f2f24b9e019
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2f24e26098
RBP: 00007f2f24e26090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2f24e26128 R14: 00007ffd0675a670 R15: 00007ffd0675a758
----------------
Code disassembly (best guess):
0: 6f outsl %ds:(%rsi),(%dx)
1: 77 00 ja 0x3
3: 4c 0f a3 35 19 f5 23 bt %r14,0xd23f519(%rip) # 0xd23f524
a: 0d
b: 73 0d jae 0x1a
d: e8 9a b3 08 00 call 0x8b3ac
12: 84 c0 test %al,%al
14: 0f 84 2e 02 00 00 je 0x248
1a: 48 c7 c0 ac af 8c 8e mov $0xffffffff8e8cafac,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 0f 85 1d 02 00 00 jne 0x24f
32: 83 3d af 29 24 0d 00 cmpl $0x0,0xd2429af(%rip) # 0xd2429e8
39: 0f 84 0c 01 00 00 je 0x14b
3f: 65 gs