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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 1405 at drivers/usb/gadget/udc/core.c:134 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:133
Modules linked in:
CPU: 0 UID: 0 PID: 1405 Comm: syz-executor Not tainted syzkaller #0 4fd168c693dffba84a2a6c02a7ad874ce6c819a9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:133
Code: 4d 00 48 c7 c0 a0 bf 6d 86 49 c7 c0 c0 bf 6d 86 4c 0f 44 c0 48 c7 c7 60 bf 6d 86 48 c7 c6 e6 cd 1f 87 44 89 f2 e8 10 05 47 fd <0f> 0b e9 4c ff ff ff e8 44 0f cc fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007878 EFLAGS: 00010046
RAX: fa26d948652c8a00 RBX: ffff888105b0c0b0 RCX: ffff88810e65a780
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900000078a0 R08: ffff8881f6c29593 R09: 1ffff1103ed852b2
R10: dffffc0000000000 R11: ffffed103ed852b3 R12: dffffc0000000000
R13: ffff888105b0c0b8 R14: 0000000000000081 R15: ffff88811f418fba
FS: 000055555c2d9500(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1021950300 CR3: 000000012f86e000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000008000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057
set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021
composite_setup+0x18b0/0x3320 drivers/usb/gadget/composite.c:1930
configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883
dummy_timer+0x2eeb/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935
__run_hrtimer kernel/time/hrtimer.c:1758 [inline]
__hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822
hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
handle_softirqs+0x1ad/0x5b0 kernel/softirq.c:684
__do_softirq kernel/softirq.c:722 [inline]
invoke_softirq kernel/softirq.c:539 [inline]
__irq_exit_rcu+0x47/0xb0 kernel/softirq.c:771
irq_exit_rcu+0xd/0x30 kernel/softirq.c:783
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:inet_fill_link_af+0x46c/0xfc0 net/ipv4/devinet.c:1990
Code: 00 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 a1 07 00 00 45 8b 27 4c 8d 7b 48 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 <0f> 85 a4 07 00 00 45 89 27 4d 8d be 18 01 00 00 4c 89 f8 48 c1 e8
RSP: 0018:ffffc9000a0fea88 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88812822c3d0 RCX: ffff88810e65a780
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88812822c458
RBP: ffffc9000a0feab0 R08: 0000000000706f6f R09: 0000000000000000
R10: ffff88812822c458 R11: ffffffff84dd61d0 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881199fbc00 R15: ffff88812822c418
rtnl_fill_link_af+0x1cc/0x490 net/core/rtnetlink.c:1716
rtnl_fill_ifinfo+0x1a21/0x1d10 net/core/rtnetlink.c:1979
rtmsg_ifinfo_build_skb+0x177/0x270 net/core/rtnetlink.c:4123
rtmsg_ifinfo_event net/core/rtnetlink.c:4156 [inline]
rtmsg_ifinfo+0x91/0x1a0 net/core/rtnetlink.c:4165
__dev_notify_flags+0xfd/0x5a0 net/core/dev.c:9002
__dev_set_promiscuity+0x154/0x590 net/core/dev.c:8774
dev_set_promiscuity+0x51/0x110 net/core/dev.c:8794
br_port_set_promisc net/bridge/br_if.c:108 [inline]
br_manage_promisc net/bridge/br_if.c:157 [inline]
nbp_update_port_count+0x1b8/0x2e0 net/bridge/br_if.c:242
br_add_if+0x607/0xe70 net/bridge/br_if.c:641
br_add_slave+0x30/0x40 net/bridge/br_device.c:373
do_set_master net/core/rtnetlink.c:2745 [inline]
do_setlink+0xd0f/0x41e0 net/core/rtnetlink.c:2951
__rtnl_newlink net/core/rtnetlink.c:3740 [inline]
rtnl_newlink+0x1801/0x2220 net/core/rtnetlink.c:3787
rtnetlink_rcv_msg+0x8be/0xa40 net/core/rtnetlink.c:6687
netlink_rcv_skb+0x24a/0x4e0 net/netlink/af_netlink.c:2554
rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6705
netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
netlink_unicast+0x8bf/0xa70 net/netlink/af_netlink.c:1340
netlink_sendmsg+0x7d1/0xad0 net/netlink/af_netlink.c:1895
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
__sys_sendto+0x666/0x6e0 net/socket.c:2198
__do_sys_sendto net/socket.c:2205 [inline]
__se_sys_sendto net/socket.c:2201 [inline]
__x64_sys_sendto+0xe9/0x100 net/socket.c:2201
x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f452a55ac97
Code: 48 89 fa 4c 89 df e8 a8 56 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:00007ffdb1ae3f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055555c2d9500 RCX: 00007f452a55ac97
RDX: 0000000000000028 RSI: 00007f452b354670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffdb1ae3f74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f452b354670 R15: 0000000000000000
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess):
0: 00 4c 89 f8 add %cl,-0x8(%rcx,%rcx,4)
4: 48 c1 e8 03 shr $0x3,%rax
8: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax
d: 84 c0 test %al,%al
f: 0f 85 a1 07 00 00 jne 0x7b6
15: 45 8b 27 mov (%r15),%r12d
18: 4c 8d 7b 48 lea 0x48(%rbx),%r15
1c: 4c 89 f8 mov %r15,%rax
1f: 48 c1 e8 03 shr $0x3,%rax
23: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax
28: 84 c0 test %al,%al
* 2a: 0f 85 a4 07 00 00 jne 0x7d4 <-- trapping instruction
30: 45 89 27 mov %r12d,(%r15)
33: 4d 8d be 18 01 00 00 lea 0x118(%r14),%r15
3a: 4c 89 f8 mov %r15,%rax
3d: 48 rex.W
3e: c1 .byte 0xc1
3f: e8 .byte 0xe8