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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 3540 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: 3540 Comm: syslogd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Code: 49 8b 0e 48 c7 c0 e0 2d d5 8a 49 c7 c0 00 2e d5 8a 4c 0f 44 c0 48 c7 c7 a0 2d d5 8a 48 c7 c6 e7 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: 59aa2efde0395800 RBX: ffff8880251880e0 RCX: ffff88807e095940
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000081 R08: ffffc90000dd01a7 R09: 1ffff920001ba034
R10: dffffc0000000000 R11: fffff520001ba035 R12: dffffc0000000000
R13: ffff88802518810d R14: ffff8880251880e8 R15: ffff88805d5630ba
FS:  00007f9e052cac80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe4d769000 CR3: 000000007de80000 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:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:context_tracking_enabled include/linux/context_tracking_state.h:31 [inline]
RIP: 0010:ct_state include/linux/context_tracking.h:97 [inline]
RIP: 0010:schedule_debug kernel/sched/core.c:5622 [inline]
RIP: 0010:__schedule+0x269/0x4350 kernel/sched/core.c:6286
Code: 74 28 80 3d ca 35 8d 04 00 75 1f c6 05 c1 35 8d 04 01 48 c7 c7 00 b2 2a 8a be f5 15 00 00 48 c7 c2 a0 b9 2a 8a e8 c7 2b ed ff <e9> c2 16 00 00 48 c7 c0 e0 29 6b 8e 48 c1 e8 03 48 b9 00 00 00 00
RSP: 0018:ffffc90002daf5e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807e0963c0 RCX: 59aa2efde0395800
RDX: 0000000000000010 RSI: ffffffff8a2b3e00 RDI: ffffffff8a7a4b40
RBP: ffffc90002daf7c0 R08: ffffc90002daf74f R09: ffffc90002daf740
R10: dffffc0000000000 R11: fffff520005b5eea R12: ffff8880b8f00000
R13: ffffc90002daf740 R14: ffff8880b8f3ad58 R15: ffff88807e095940
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0xbd/0x2d0 kernel/time/timer.c:2093
 __skb_wait_for_more_packets+0x3a8/0x590 net/core/datagram.c:122
 __unix_dgram_recvmsg+0x2a0/0xd50 net/unix/af_unix.c:2328
 sock_recvmsg_nosec net/socket.c:969 [inline]
 sock_recvmsg net/socket.c:987 [inline]
 sock_read_iter+0x2c2/0x380 net/socket.c:1068
 call_read_iter include/linux/fs.h:2173 [inline]
 new_sync_read fs/read_write.c:404 [inline]
 vfs_read+0x75e/0xd50 fs/read_write.c:485
 ksys_read+0x153/0x260 fs/read_write.c:623
 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: 0033:0x7f9e0541a407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007fff9311da50 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9e052cac80 RCX: 00007f9e0541a407
RDX: 00000000000000ff RSI: 000055c5660f5950 RDI: 0000000000000000
RBP: 000055c5660f5910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055c5660f59a2
R13: 0000000000000000 R14: 000055c5660f5950 R15: 000055c55e933d98
 </TASK>
----------------
Code disassembly (best guess):
   0:	74 28                	je     0x2a
   2:	80 3d ca 35 8d 04 00 	cmpb   $0x0,0x48d35ca(%rip)        # 0x48d35d3
   9:	75 1f                	jne    0x2a
   b:	c6 05 c1 35 8d 04 01 	movb   $0x1,0x48d35c1(%rip)        # 0x48d35d3
  12:	48 c7 c7 00 b2 2a 8a 	mov    $0xffffffff8a2ab200,%rdi
  19:	be f5 15 00 00       	mov    $0x15f5,%esi
  1e:	48 c7 c2 a0 b9 2a 8a 	mov    $0xffffffff8a2ab9a0,%rdx
  25:	e8 c7 2b ed ff       	call   0xffed2bf1
* 2a:	e9 c2 16 00 00       	jmp    0x16f1 <-- trapping instruction
  2f:	48 c7 c0 e0 29 6b 8e 	mov    $0xffffffff8e6b29e0,%rax
  36:	48 c1 e8 03          	shr    $0x3,%rax
  3a:	48                   	rex.W
  3b:	b9 00 00 00 00       	mov    $0x0,%ecx