------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: drivers/usb/gadget/udc/core.c:124 at usb_ep_enable+0x3e6/0x490 drivers/usb/gadget/udc/core.c:124, CPU#1: modprobe/8006 Modules linked in: CPU: 1 UID: 0 PID: 8006 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:usb_ep_enable+0x3f8/0x490 drivers/usb/gadget/udc/core.c:124 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8d 3d 0a da 61 09 48 8b 4b 08 40 0f b6 d5 4d 89 e0 48 c7 c6 80 a1 b7 8c <67> 48 0f b9 3a bd ea ff ff ff e9 8e fd ff ff 49 c7 c4 20 94 b7 8c RSP: 0018:ffffc90000a08a10 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880293900e0 RCX: ffffffff8cb7d820 RDX: 0000000000000081 RSI: ffffffff8cb7a180 RDI: ffffffff91306aa0 RBP: 0000000000000081 R08: ffffffff8cb79460 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8cb79460 R13: 0000000000000000 R14: ffff8880293900e0 R15: ffff88805511ee20 FS: 00007f024e931c80(0000) GS:ffff888123ed8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f024ec99000 CR3: 00000000778d5000 CR4: 0000000000350ef0 Call Trace: hidg_set_alt+0x190/0xa10 drivers/usb/gadget/function/f_hid.c:1042 set_config drivers/usb/gadget/composite.c:1018 [inline] composite_setup+0x2ccf/0x9290 drivers/usb/gadget/composite.c:1901 configfs_composite_setup+0xfb/0x130 drivers/usb/gadget/configfs.c:1877 dummy_timer+0x2045/0x36f0 drivers/usb/gadget/udc/dummy_hcd.c:1951 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:vma_interval_tree_insert+0x113/0x410 mm/interval_tree.c:18 Code: 00 49 8b 17 48 85 d2 74 7f 48 89 d3 e8 76 3a b0 ff 48 8d 7b 18 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 47 02 00 00 4c 8b 7b 18 <4c> 89 e6 4c 89 ff e8 32 34 b0 ff 4d 39 e7 73 09 e8 48 3a b0 ff 4c RSP: 0018:ffffc90005adf588 EFLAGS: 00000246 RAX: 1ffff11006d5b359 RBX: ffff888036ad9ab0 RCX: ffffffff825a16a5 RDX: ffff88807baa0000 RSI: ffffffff825a164a RDI: ffff888036ad9ac8 RBP: dffffc0000000000 R08: 0000000000000006 R09: 00000000000000c1 R10: 0000000000000096 R11: 0000000000000000 R12: 00000000000000c1 R13: 00000000000000c1 R14: ffff8880539cd140 R15: 00000000000000c1 __vma_link_file mm/vma.c:237 [inline] vma_prepare+0x374/0x840 mm/vma.c:308 __split_vma+0x83c/0xda0 mm/vma.c:551 split_vma mm/vma.c:599 [inline] vma_modify+0x12ad/0x25c0 mm/vma.c:1699 vma_modify_flags+0x257/0x3d0 mm/vma.c:1719 mprotect_fixup+0x27a/0xe30 mm/mprotect.c:789 do_mprotect_pkey+0xa4b/0xef0 mm/mprotect.c:967 __do_sys_mprotect mm/mprotect.c:988 [inline] __se_sys_mprotect mm/mprotect.c:985 [inline] __x64_sys_mprotect+0x78/0xc0 mm/mprotect.c:985 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f024ecc82c7 Code: 89 3d fd 3f 01 00 eb 90 0f 1f 00 f7 d8 89 05 f0 3f 01 00 48 c7 c0 ff ff ff ff eb 91 0f 1f 80 00 00 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83 RSP: 002b:00007fff3dcf70d8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f024ec9c0c0 RCX: 00007f024ecc82c7 RDX: 0000000000000001 RSI: 0000000000003000 RDI: 00007f024ec98000 RBP: 00007fff3dcf73a0 R08: 0000000000000000 R09: 00007f024ec19bf7 R10: 00007f024ec9c0c0 R11: 0000000000000206 R12: 0000000000000008 R13: 000000c6e3c3b48e R14: 0000000000000000 R15: 00007f024ecdc310 ---------------- Code disassembly (best guess): 0: 48 89 fa mov %rdi,%rdx 3: 48 c1 ea 03 shr $0x3,%rdx 7: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) b: 0f 85 93 00 00 00 jne 0xa4 11: 48 8d 3d 0a da 61 09 lea 0x961da0a(%rip),%rdi # 0x961da22 18: 48 8b 4b 08 mov 0x8(%rbx),%rcx 1c: 40 0f b6 d5 movzbl %bpl,%edx 20: 4d 89 e0 mov %r12,%r8 23: 48 c7 c6 80 a1 b7 8c mov $0xffffffff8cb7a180,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: bd ea ff ff ff mov $0xffffffea,%ebp 34: e9 8e fd ff ff jmp 0xfffffdc7 39: 49 c7 c4 20 94 b7 8c mov $0xffffffff8cb79420,%r12