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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 4187 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: 4187 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x25f/0x440 drivers/usb/gadget/udc/core.c:107
Code: 49 8b 0e 48 c7 c0 80 27 d5 8a 49 c7 c0 a0 27 d5 8a 4c 0f 44 c0 48 c7 c7 40 27 d5 8a 48 c7 c6 1d 96 e1 8b 89 ea e8 c1 94 7f 03 <0f> 0b e9 e1 fe ff ff e8 95 67 43 fb 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000dd06a8 EFLAGS: 00010046
RAX: 8fee5458668f6400 RBX: ffff8881483400e0 RCX: ffff88801a7f1dc0
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000081 R08: ffffffff8c313963 R09: 1ffffffff186272c
R10: dffffc0000000000 R11: fffffbfff186272d R12: dffffc0000000000
R13: ffff88814834010d R14: ffff8881483400e8 R15: ffff888020c2373a
FS: 000055556e063500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa88e026d30 CR3: 0000000061a0d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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+0x1338/0x33c0 drivers/usb/gadget/udc/dummy_hcd.c:1930
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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:console_unlock+0xc90/0x10f0 kernel/printk/printk.c:2749
Code: 75 11 e8 13 df 18 00 4d 85 e4 75 16 e8 09 df 18 00 eb 15 e8 02 df 18 00 e8 dd f6 5f 08 4d 85 e4 74 ea e8 f3 de 18 00 fb 31 ff <89> de e8 49 e2 18 00 85 db 0f 94 c0 22 44 24 1f 3c 01 75 1f e8 d7
RSP: 0018:ffffc90002eee020 EFLAGS: 00000246
RAX: ffffffff81601dbd RBX: 0000000000000000 RCX: ffff88801a7f1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002eee290 R08: ffffffff901ee0c7 R09: 1ffffffff203dc18
R10: dffffc0000000000 R11: fffffbfff203dc19 R12: 0000000000000200
R13: 0000000000000061 R14: 0000000000000000 R15: dffffc0000000000
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
dev_vprintk_emit+0x2c2/0x360 drivers/base/core.c:4665
dev_printk_emit+0xeb/0x140 drivers/base/core.c:4676
__netdev_printk+0x2ef/0x3d0 net/core/dev.c:11530
netdev_info+0x11b/0x170 net/core/dev.c:11585
nsim_udp_tunnel_set_port+0x28b/0x430 drivers/net/netdevsim/udp_tunnels.c:34
udp_tunnel_nic_device_sync_one net/ipv4/udp_tunnel_nic.c:-1 [inline]
udp_tunnel_nic_device_sync_by_port net/ipv4/udp_tunnel_nic.c:246 [inline]
__udp_tunnel_nic_device_sync+0xa17/0x13c0 net/ipv4/udp_tunnel_nic.c:289
udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:312 [inline]
__udp_tunnel_nic_add_port+0xb7f/0xe90 net/ipv4/udp_tunnel_nic.c:531
udp_tunnel_nic_add_port include/net/udp_tunnel.h:351 [inline]
udp_tunnel_notify_add_rx_port+0x266/0x3a0 net/ipv4/udp_tunnel_core.c:130
geneve_socket_create drivers/net/geneve.c:614 [inline]
geneve_sock_add+0x51d/0x990 drivers/net/geneve.c:689
geneve_open+0xcf/0x140 drivers/net/geneve.c:731
__dev_open+0x2bf/0x430 net/core/dev.c:1550
__dev_change_flags+0x1e4/0x6a0 net/core/dev.c:8879
dev_change_flags+0x78/0x1a0 net/core/dev.c:8950
do_setlink+0xca4/0x29d0 net/core/rtnetlink.c:2793
__rtnl_newlink net/core/rtnetlink.c:3464 [inline]
rtnl_newlink+0x15bb/0x1920 net/core/rtnetlink.c:3586
rtnetlink_rcv_msg+0x7f1/0xf10 net/core/rtnetlink.c:5698
netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2519
netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
netlink_unicast+0x78f/0x940 net/netlink/af_netlink.c:1340
netlink_sendmsg+0x8ba/0xbe0 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:706 [inline]
__sock_sendmsg net/socket.c:718 [inline]
__sys_sendto+0x46d/0x620 net/socket.c:2073
__do_sys_sendto net/socket.c:2085 [inline]
__se_sys_sendto net/socket.c:2081 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2081
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: 0033:0x7f49e681090e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fff1a81a818 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055556e063500 RCX: 00007f49e681090e
RDX: 000000000000002c RSI: 00007f49e7606670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007fff1a81a894 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f49e7606670 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 75 11 jne 0x13
2: e8 13 df 18 00 call 0x18df1a
7: 4d 85 e4 test %r12,%r12
a: 75 16 jne 0x22
c: e8 09 df 18 00 call 0x18df1a
11: eb 15 jmp 0x28
13: e8 02 df 18 00 call 0x18df1a
18: e8 dd f6 5f 08 call 0x85ff6fa
1d: 4d 85 e4 test %r12,%r12
20: 74 ea je 0xc
22: e8 f3 de 18 00 call 0x18df1a
27: fb sti
28: 31 ff xor %edi,%edi
* 2a: 89 de mov %ebx,%esi <-- trapping instruction
2c: e8 49 e2 18 00 call 0x18e27a
31: 85 db test %ebx,%ebx
33: 0f 94 c0 sete %al
36: 22 44 24 1f and 0x1f(%rsp),%al
3a: 3c 01 cmp $0x1,%al
3c: 75 1f jne 0x5d
3e: e8 .byte 0xe8
3f: d7 xlat %ds:(%rbx)