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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 14375 at drivers/usb/gadget/udc/core.c:108 usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Modules linked in:
CPU: 1 PID: 14375 Comm: syz.4.1931 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Code: 49 8b 0e 48 c7 c0 e0 2e d5 8a 49 c7 c0 00 2f d5 8a 4c 0f 44 c0 48 c7 c7 a0 2e d5 8a 48 c7 c6 b9 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:ffffc90000dd0688 EFLAGS: 00010046
RAX: 0e71c5eda5275300 RBX: ffff888024c500e0 RCX: ffff88802ca35940
RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000
RBP: 0000000000000081 R08: ffff8880b8f2795b R09: 1ffff110171e4f2b
R10: dffffc0000000000 R11: ffffed10171e4f2c R12: dffffc0000000000
R13: ffff888024c5010d R14: ffff888024c500e8 R15: ffff8880254ca8ba
FS:  00007f986c9776c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8eec2b6dac CR3: 000000001fc31000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:should_fail+0x1/0x4b0 lib/fault-inject.c:104
Code: b9 fd e9 44 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 48 89 df e8 4a 0b b9 fd e9 55 ff ff ff 0f 1f 44 00 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 49 89 f6 48 89 fb 49 bc 00
RSP: 0018:ffffc90002f7f100 EFLAGS: 00000283
RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000000
RDX: ffff88802ca35940 RSI: 0000000000000001 RDI: ffffffff8d1dea60
RBP: 0000000000000001 R08: ffffffff8e6b282f R09: 1ffffffff1cd6505
R10: dffffc0000000000 R11: fffffbfff1cd6506 R12: 0000000001100cca
R13: ffffc90002f7f1d8 R14: ffff88802ca3596c R15: 1ffff920005efe38
 prepare_alloc_pages+0x1e3/0x5b0 mm/page_alloc.c:5277
 __alloc_pages+0x11b/0x480 mm/page_alloc.c:5490
 alloc_pages_vma+0x2bc/0x790 mm/mempolicy.c:2146
 shmem_alloc_page mm/shmem.c:1586 [inline]
 shmem_alloc_and_acct_page+0x47f/0xbe0 mm/shmem.c:1611
 shmem_getpage_gfp+0x14be/0x2c10 mm/shmem.c:1906
 shmem_fault+0x1ac/0x550 mm/shmem.c:2118
 __do_fault+0x141/0x330 mm/memory.c:3928
 do_read_fault mm/memory.c:4264 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x2982/0x4440 mm/memory.c:4883
 faultin_page mm/gup.c:976 [inline]
 __get_user_pages+0x952/0x11e0 mm/gup.c:1197
 populate_vma_page_range+0x213/0x290 mm/gup.c:1529
 __mm_populate+0x275/0x3b0 mm/gup.c:1638
 mm_populate include/linux/mm.h:2646 [inline]
 vm_mmap_pgoff+0x212/0x2d0 mm/util.c:556
 ksys_mmap_pgoff+0x140/0x790 mm/mmap.c:1635
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f986e71f1d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f986c977028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f986e9a6fa0 RCX: 00007f986e71f1d9
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f986e7b6888 R08: ffffffffffffffff R09: 000000001b5cb000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f986e9a7038 R14: 00007f986e9a6fa0 R15: 00007ffebe0acd18
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fd                   	std
   1:	e9 44 ff ff ff       	jmp    0xffffff4a
   6:	89 d9                	mov    %ebx,%ecx
   8:	80 e1 07             	and    $0x7,%cl
   b:	80 c1 03             	add    $0x3,%cl
   e:	38 c1                	cmp    %al,%cl
  10:	0f 8c 62 ff ff ff    	jl     0xffffff78
  16:	48 89 df             	mov    %rbx,%rdi
  19:	e8 4a 0b b9 fd       	call   0xfdb90b68
  1e:	e9 55 ff ff ff       	jmp    0xffffff78
  23:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  28:	55                   	push   %rbp
* 29:	41 57                	push   %r15 <-- trapping instruction
  2b:	41 56                	push   %r14
  2d:	41 55                	push   %r13
  2f:	41 54                	push   %r12
  31:	53                   	push   %rbx
  32:	48 83 ec 18          	sub    $0x18,%rsp
  36:	49 89 f6             	mov    %rsi,%r14
  39:	48 89 fb             	mov    %rdi,%rbx
  3c:	49                   	rex.WB
  3d:	bc                   	.byte 0xbc