------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480 drivers/usb/gadget/udc/core.c:124, CPU#0: syz-executor/5637
Modules linked in:
CPU: 0 UID: 0 PID: 5637 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: 3a bc 59 fa 49 83 3f 00 48 c7 c0 c0 5c 16 8d 49 c7 c0 e0 5c 16 8d 4c 0f 44 c0 4c 89 f7 48 c7 c6 30 20 c9 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 f0 f1 df f9 65 8b
RSP: 0018:ffffc90000007910 EFLAGS: 00010086
RAX: ffffffff8d165cc0 RBX: ffff8880207280e0 RCX: ffffffff8d167ba0
RDX: 0000000000000081 RSI: ffffffff8ec92030 RDI: ffffffff91ef35e0
RBP: dffffc0000000000 R08: ffffffff8d165ce0 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000100 R12: ffffffff8d167ba0
R13: 0000000000000081 R14: ffffffff91ef35e0 R15: ffff8880207280f8
FS: 00005555684f2500(0000) GS:ffff888123159000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556850da38 CR3: 00000000650d6000 CR4: 00000000003526f0
Call Trace:
hidg_set_alt+0x12a/0xa60 drivers/usb/gadget/function/f_hid.c:1042
set_config+0x749/0x1160 drivers/usb/gadget/composite.c:1018
composite_setup+0x1de7/0x3480 drivers/usb/gadget/composite.c:1901
configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1877
dummy_timer+0x2f30/0x4ce0 drivers/usb/gadget/udc/dummy_hcd.c:1983
__run_hrtimer kernel/time/hrtimer.c:2079 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2136
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2153
handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
__do_softirq kernel/softirq.c:703 [inline]
invoke_softirq kernel/softirq.c:542 [inline]
__irq_exit_rcu+0xc6/0x220 kernel/softirq.c:786
irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1073 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1073
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_release+0x2e1/0x3c0 kernel/locking/lockdep.c:5968
Code: 25 68 13 00 00 00 00 eb b5 e8 fb 13 7b 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 a3 dd 67 13 48 3b 44 24 28 75 48 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 40 27 7e 0a cc 48 8d 3d 08 cc 3f
RSP: 0018:ffffc90003dc76c8 EFLAGS: 00000282
RAX: 905ba39ecc279600 RBX: 0000000000000206 RCX: 0000000000000046
RDX: ffffffff92727000 RSI: ffffffff8ec8251a RDI: ffffffff8cb01080
RBP: ffff88807f870bb0 R08: ffffc90003dc7f48 R09: 0000000000000000
R10: ffffc90003dc77f8 R11: ffffffff81b3e670 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff9035a560 R15: ffff88807f870000
rcu_lock_release include/linux/rcupdate.h:319 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3f/0x90 mm/kasan/common.c:79
unpoison_slab_object mm/kasan/common.c:354 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:380
kasan_slab_alloc include/linux/kasan.h:257 [inline]
slab_post_alloc_hook mm/slub.c:4716 [inline]
slab_alloc_node mm/slub.c:5029 [inline]
kmem_cache_alloc_noprof+0x2b4/0x600 mm/slub.c:5043
alloc_filename fs/namei.c:147 [inline]
do_getname+0x2e/0x250 fs/namei.c:187
getname include/linux/fs.h:2566 [inline]
getname_maybe_null include/linux/fs.h:2573 [inline]
class_filename_maybe_null_constructor include/linux/fs.h:2597 [inline]
vfs_fstatat+0x45/0x170 fs/stat.c:372
__do_sys_newfstatat fs/stat.c:542 [inline]
__se_sys_newfstatat+0x118/0x3a0 fs/stat.c:536
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x00007f6b4af9e15a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7
RSP: 002b:00007ffcd4e60918 EFLAGS: 00000286 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007f6b4b036fb3 RCX: 00007f6b4af9e15a
RDX: 00007ffcd4e60940 RSI: 00007ffcd4e609d0 RDI: 00000000ffffff9c
RBP: 00007ffcd4e609d0 R08: 00007ffcd4e619d0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffcd4e61a60
R13: 00007f6b4b036fb3 R14: 0000000000045415 R15: 00007ffcd4e61aa0
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 59 pop %rcx
1: fa cli
2: 49 83 3f 00 cmpq $0x0,(%r15)
6: 48 c7 c0 c0 5c 16 8d mov $0xffffffff8d165cc0,%rax
d: 49 c7 c0 e0 5c 16 8d mov $0xffffffff8d165ce0,%r8
14: 4c 0f 44 c0 cmove %rax,%r8
18: 4c 89 f7 mov %r14,%rdi
1b: 48 c7 c6 30 20 c9 8e mov $0xffffffff8ec92030,%rsi
22: 44 89 ea mov %r13d,%edx
25: 4c 89 e1 mov %r12,%rcx
* 28: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2d: bd ea ff ff ff mov $0xffffffea,%ebp
32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
37: e8 f0 f1 df f9 call 0xf9dff22c
3c: 65 gs
3d: 8b .byte 0x8b