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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 14290 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: 14290 Comm: kworker/0:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: events free_work
RIP: 0010:usb_ep_enable+0x27c/0x4d0 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 c0 fa 5e 8b 49 c7 c0 e0 fa 5e 8b 4c 0f 44 c0 48 c7 c7 80 fa 5e 8b 48 c7 c6 83 82 86 8c 89 ea e8 f4 5f cd fa <0f> 0b e9 c4 fe ff ff e8 a8 ec 01 fb 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007768 EFLAGS: 00010046
RAX: adf2c2caa2e3d400 RBX: ffff8881467280e0 RCX: ffff88802fc03c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8c279db R09: 1ffff11017184f3b
R10: dffffc0000000000 R11: ffffed1017184f3c R12: dffffc0000000000
R13: ffff88814672810d R14: ffff8881467280e8 R15: ffff88807c1dac3a
FS: 0000000000000000(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000002c CR3: 0000000028b3a000 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:lock_release+0x5ab/0x920 kernel/locking/lockdep.c:5814
Code: 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 2f 04 f8 75 70 f7 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 43 c7 44 2f 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90003437980 EFLAGS: 00000206
RAX: 0000000000000001 RBX: dca467605859045c RCX: adf2c2caa2e3d400
RDX: 0000000000000002 RSI: ffffffff8aac2b20 RDI: ffffffff8aff71e0
RBP: ffffc90003437a90 R08: ffffffff8f22dfef R09: 1ffffffff1e45bfd
R10: dffffc0000000000 R11: fffffbfff1e45bfe R12: ffff88802fc04730
R13: dffffc0000000000 R14: ffff88802fc046d0 R15: 1ffff92000686f3c
rcu_lock_release include/linux/rcupdate.h:355 [inline]
rcu_read_unlock include/linux/rcupdate.h:824 [inline]
mod_memcg_page_state+0x4b9/0x950 include/linux/memcontrol.h:985
__vunmap+0x863/0xa40 mm/vmalloc.c:2778
free_work+0x56/0x80 mm/vmalloc.c:97
process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 f7 add %dh,%bh
4: 84 24 80 test %ah,(%rax,%rax,4)
7: 00 00 add %al,(%rax)
9: 00 00 add %al,(%rax)
b: 02 00 add (%rax),%al
d: 00 43 c6 add %al,-0x3a(%rbx)
10: 44 2f rex.R (bad)
12: 04 f8 add $0xf8,%al
14: 75 70 jne 0x86
16: f7 44 24 50 00 02 00 testl $0x200,0x50(%rsp)
1d: 00
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 2f 00 00 00 movq $0x0,(%r15,%r13,1) <-- trapping instruction
31: 00
32: 43 c7 44 2f 08 00 00 movl $0x0,0x8(%r15,%r13,1)
39: 00 00
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al