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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 3446 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: 3446 Comm: kworker/u4:8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: bat_events batadv_nc_worker
RIP: 0010:usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 c0 0f 7b 8b 49 c7 c0 e0 0f 7b 8b 4c 0f 44 c0 48 c7 c7 80 0f 7b 8b 48 c7 c6 5c 27 a7 8c 89 ea e8 9d 03 95 fa <0f> 0b e9 e1 fe ff ff e8 91 3f cb fa 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc900001f0790 EFLAGS: 00010046
RAX: 1e2b2578be028900 RBX: ffff88814239c0e0 RCX: ffff88802dce3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: dffffc0000000000
R13: ffff88814239c10d R14: ffff88814239c0e8 R15: ffff88802e0cbdba
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffcd355020 CR3: 0000000061f5e000 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+0x208/0x420 kernel/locking/lockdep.c:5760
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc9000c97fa40 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1e2b2578be028900
RDX: 0000000000000000 RSI: ffffffff8acade60 RDI: ffffffff8b1d3ba0
RBP: ffffc9000c97fb48 R08: dffffc0000000000 R09: 1ffffffff223d6a0
R10: dffffc0000000000 R11: fffffbfff223d6a1 R12: 1ffff9200192ff54
R13: ffffffff8d1320e0 R14: 0000000000000246 R15: dffffc0000000000
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock include/linux/rcupdate.h:786 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xef/0x600 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:2657 [inline]
process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
----------------
Code disassembly (best guess):
0: f7 84 24 80 00 00 00 testl $0x200,0x80(%rsp)
7: 00 02 00 00
b: 43 c6 44 3c 04 f8 movb $0xf8,0x4(%r12,%r15,1)
11: 0f 85 f0 00 00 00 jne 0x107
17: 41 f7 c6 00 02 00 00 test $0x200,%r14d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp)
28: e0 45
* 2a: 4b c7 04 3c 00 00 00 movq $0x0,(%r12,%r15,1) <-- trapping instruction
31: 00
32: 43 c7 44 3c 08 00 00 movl $0x0,0x8(%r12,%r15,1)
39: 00 00
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al