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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 144 at drivers/usb/gadget/udc/core.c:108 usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Modules linked in:
CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Workqueue: bat_events batadv_nc_worker
RIP: 0010:usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Code: 49 8b 0e 48 c7 c0 e0 2d d5 8a 49 c7 c0 00 2e d5 8a 4c 0f 44 c0 48 c7 c7 a0 2d d5 8a 48 c7 c6 e7 0e e2 8b 89 ea e8 41 ee 80 03 <0f> 0b e9 e1 fe ff ff e8 c5 e7 42 fb 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007688 EFLAGS: 00010046
RAX: 73f68cfdd4c39000 RBX: ffff8880250680e0 RCX: ffff888019da9dc0
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: 0000000000000081 R08: ffff8880b8e2795b R09: 1ffff110171c4f2b
R10: dffffc0000000000 R11: ffffed10171c4f2c R12: dffffc0000000000
R13: ffff88802506810d R14: ffff8880250680e8 R15: ffff888074f0593a
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faff13956a8 CR3: 0000000066bad000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
hidg_set_alt+0x126/0xa00 drivers/usb/gadget/function/f_hid.c:822
set_config+0x734/0xfa0 drivers/usb/gadget/composite.c:972
composite_setup+0x1999/0x2b60 drivers/usb/gadget/composite.c:1878
configfs_composite_setup+0xc3/0x100 drivers/usb/gadget/configfs.c:1492
dummy_timer+0x1338/0x34a0 drivers/usb/gadget/udc/dummy_hcd.c:1944
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:debug_lockdep_rcu_enabled+0x9/0x30 kernel/rcu/update.c:280
Code: 48 c7 c7 00 2a 2b 8a 48 c7 c6 80 4e 2b 8a e8 ee 0c f5 ff 0f 0b eb c1 00 00 cc cc 00 00 cc cc 00 00 31 c0 83 3d 4b 0c a9 04 00 <74> 1d 83 3d c2 3e a9 04 00 74 14 65 48 8b 0d b4 52 40 76 31 c0 83
RSP: 0018:ffffc9000125fbd8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888019da9dc0
RDX: 0000000000000000 RSI: ffffffff8a7a4b20 RDI: ffffffff8a7a4ae0
RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff2202a18
R10: dffffc0000000000 R11: fffffbfff2202a19 R12: 000000000000013f
R13: 0000000000000000 R14: ffff888051a0cc80 R15: ffff88807d16b110
rcu_read_unlock include/linux/rcupdate.h:769 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:416 [inline]
batadv_nc_worker+0x1c2/0x5c0 net/batman-adv/network-coding.c:723
process_one_work+0x867/0xff0 kernel/workqueue.c:2310
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
----------------
Code disassembly (best guess):
0: 48 c7 c7 00 2a 2b 8a mov $0xffffffff8a2b2a00,%rdi
7: 48 c7 c6 80 4e 2b 8a mov $0xffffffff8a2b4e80,%rsi
e: e8 ee 0c f5 ff call 0xfff50d01
13: 0f 0b ud2
15: eb c1 jmp 0xffffffd8
17: 00 00 add %al,(%rax)
19: cc int3
1a: cc int3
1b: 00 00 add %al,(%rax)
1d: cc int3
1e: cc int3
1f: 00 00 add %al,(%rax)
21: 31 c0 xor %eax,%eax
23: 83 3d 4b 0c a9 04 00 cmpl $0x0,0x4a90c4b(%rip) # 0x4a90c75
* 2a: 74 1d je 0x49 <-- trapping instruction
2c: 83 3d c2 3e a9 04 00 cmpl $0x0,0x4a93ec2(%rip) # 0x4a93ef5
33: 74 14 je 0x49
35: 65 48 8b 0d b4 52 40 mov %gs:0x764052b4(%rip),%rcx # 0x764052f1
3c: 76
3d: 31 c0 xor %eax,%eax
3f: 83 .byte 0x83