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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 110 at drivers/usb/gadget/udc/core.c:123 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:122
Modules linked in:
CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:122
Code: 4d 00 48 c7 c0 e0 52 6d 86 49 c7 c0 00 53 6d 86 4c 0f 44 c0 48 c7 c7 a0 52 6d 86 48 c7 c6 46 ec 1c 87 44 89 f2 e8 20 c8 4b fd <0f> 0b e9 4c ff ff ff e8 e4 ef ce fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000230878 EFLAGS: 00010046
RAX: 50665ac22d69d200 RBX: ffff888104aac0b0 RCX: ffff88810eb01300
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900002308a0 R08: ffff8881f6f294d3 R09: 1ffff1103ede529a
R10: dffffc0000000000 R11: ffffed103ede529b R12: dffffc0000000000
R13: ffff888104aac0b8 R14: 0000000000000081 R15: ffff88810b2a38ba
FS:  00007f9d21678880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d217ca130 CR3: 000000010d7c4000 CR4: 00000000003526b0
Call Trace:
 <IRQ>
 hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057
 set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021
 composite_setup+0x1885/0x32f0 drivers/usb/gadget/composite.c:1929
 configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883
 dummy_timer+0x2eee/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935
 __run_hrtimer kernel/time/hrtimer.c:1757 [inline]
 __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1821
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1838
 handle_softirqs+0x1aa/0x620 kernel/softirq.c:621
 __do_softirq kernel/softirq.c:659 [inline]
 invoke_softirq kernel/softirq.c:476 [inline]
 __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708
 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:arch_stack_walk+0x6c/0x170 arch/x86/kernel/stacktrace.c:18
Code: 00 00 48 c7 45 b8 00 00 00 00 48 c7 45 b0 00 00 00 00 48 c7 45 a8 00 00 00 00 48 c7 45 a0 00 00 00 00 48 c7 45 98 00 00 00 00 <48> c7 45 90 00 00 00 00 48 c7 45 88 00 00 00 00 48 c7 45 80 00 00
RSP: 0018:ffffc900007df788 EFLAGS: 00000296
RAX: 50665ac22d69d200 RBX: ffffc900007df840 RCX: 0000000000000000
RDX: ffff88810eb01300 RSI: ffffc900007df840 RDI: ffffffff81759ed0
RBP: ffffc900007df810 R08: 00000000000003b8 R09: 0000000000000000
R10: ffffc900007df8d0 R11: ffffffff81c90840 R12: ffff88810eb01300
R13: ffff88811384dbc0 R14: ffffffff81759ed0 R15: 0000000000000000
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:49
 __kasan_record_aux_stack+0xb2/0xd0 mm/kasan/generic.c:541
 kasan_record_aux_stack_noalloc+0xf/0x20 mm/kasan/generic.c:551
 __call_rcu_common+0xd5/0x710 kernel/rcu/tree.c:3098
 call_rcu+0x14/0x20 kernel/rcu/tree.c:3202
 destroy_inode fs/inode.c:324 [inline]
 evict+0x8a0/0xaf0 fs/inode.c:762
 iput_final fs/inode.c:1890 [inline]
 iput+0x651/0x910 fs/inode.c:1916
 do_unlinkat+0x3d2/0x5a0 fs/namei.c:4548
 __do_sys_unlink fs/namei.c:4589 [inline]
 __se_sys_unlink fs/namei.c:4587 [inline]
 __x64_sys_unlink+0x4b/0x60 fs/namei.c:4587
 x64_sys_call+0x286c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:88
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f9d20f15937
Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffd7f953168 EFLAGS: 00000202 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9d20f15937
RDX: ffffffffffffffff RSI: 000000000000000b RDI: 0000564d51a0a02e
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000564d51a25100 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	48 c7 45 b8 00 00 00 	movq   $0x0,-0x48(%rbp)
   9:	00
   a:	48 c7 45 b0 00 00 00 	movq   $0x0,-0x50(%rbp)
  11:	00
  12:	48 c7 45 a8 00 00 00 	movq   $0x0,-0x58(%rbp)
  19:	00
  1a:	48 c7 45 a0 00 00 00 	movq   $0x0,-0x60(%rbp)
  21:	00
  22:	48 c7 45 98 00 00 00 	movq   $0x0,-0x68(%rbp)
  29:	00
* 2a:	48 c7 45 90 00 00 00 	movq   $0x0,-0x70(%rbp) <-- trapping instruction
  31:	00
  32:	48 c7 45 88 00 00 00 	movq   $0x0,-0x78(%rbp)
  39:	00
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	45 80 00 00          	rex.RB addb $0x0,(%r8)