program: mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) (async) mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff) (async) mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) write(r0, &(0x7f0000000380)='100000', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='1', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='0', 0x1) socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) syz_open_procfs(0x0, &(0x7f0000000080)='net/anycast6\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) r3 = syz_open_dev$sg(&(0x7f0000001940), 0x0, 0x0) ioctl$SG_SET_TIMEOUT(r3, 0x2276, &(0x7f0000000000)) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0xffffffffffffff9c, &(0x7f00000005c0)='./config/usb_gadget/g1/configs/c.1/midi.usb0\x00') mkdir(&(0x7f0000000e00)='./config/usb_gadget/g1/functions/ncm.usb0\x00', 0x1ff) (async) mkdir(&(0x7f0000000e00)='./config/usb_gadget/g1/functions/ncm.usb0\x00', 0x1ff) symlink(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/ncm.usb0\x00', &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/ncm.usb0\x00') r4 = openat(0xffffffffffffff9c, &(0x7f0000001300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r4, &(0x7f0000001400)='dummy_udc.0', 0xb) (async) write(r4, &(0x7f0000001400)='dummy_udc.0', 0xb) [ 92.663680][ T4641] Bluetooth: hci0: command tx timeout [ 92.690470][ T1232] cfg80211: failed to load regulatory.db [ 92.803407][ T5320] oom_control is deprecated and will be removed. Please report your usecase to linux-mm-@kvack.org if you depend on this functionality. [ 93.091968][ T5322] udc dummy_udc.0: failed to start g1: -105 [ 93.100736][ T5322] configfs-gadget.g1 gadget.0: probe with driver configfs-gadget.g1 failed with error -105 [ 93.114874][ T5322] UDC core: g1: couldn't find an available UDC or it's busy [ 93.238172][ T5321] ------------[ cut here ]------------ [ 93.240780][ T5321] kernel BUG at net/core/dev.c:11340! [ 93.243103][ T5321] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 93.245679][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 93.249222][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.253147][ T5321] RIP: 0010:register_netdevice+0x1e94/0x1eb0 [ 93.256469][ T5321] Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c be fb ff ff 4c 89 f7 e8 ff ce 91 f8 e9 b1 fb ff ff e8 95 9a 22 f8 90 0f 0b e8 8d 9a 22 f8 90 <0f> 0b e8 85 9a 22 f8 90 0f 0b e8 7d 9a 22 f8 41 be 42 00 00 00 e9 [ 93.264683][ T5321] RSP: 0018:ffffc9000f15f560 EFLAGS: 00010293 [ 93.267270][ T5321] RAX: ffffffff89a47853 RBX: 1ffff92001e2bec0 RCX: ffff888012f1a540 [ 93.270689][ T5321] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 93.274010][ T5321] RBP: ffffc9000f15f6e0 R08: ffffffff9002a0e7 R09: 1ffffffff200541c [ 93.277380][ T5321] R10: dffffc0000000000 R11: fffffbfff200541d R12: ffff888040b28f10 [ 93.280655][ T5321] R13: dffffc0000000000 R14: 0000000000000003 R15: ffff888040b28000 [ 93.284023][ T5321] FS: 00007ff39589d6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 93.287883][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.290670][ T5321] CR2: 000056127adaed60 CR3: 0000000042dcc000 CR4: 0000000000352ef0 [ 93.294181][ T5321] Call Trace: [ 93.295677][ T5321] [ 93.296980][ T5321] ? trace_contention_end+0x3d/0x140 [ 93.299246][ T5321] ? __mutex_lock+0x30d/0x1550 [ 93.301327][ T5321] ? register_netdev+0x18/0x60 [ 93.303413][ T5321] ? up_write+0x19f/0x4a0 [ 93.305315][ T5321] ? __pfx___mutex_lock+0x10/0x10 [ 93.307502][ T5321] ? __pfx_register_netdevice+0x10/0x10 [ 93.309899][ T5321] ? __hw_addr_insert+0x1f8/0x220 [ 93.312059][ T5321] ? dev_addr_mod+0x174/0x350 [ 93.314082][ T5321] ? dev_addr_mod+0x1ba/0x350 [ 93.316120][ T5321] register_netdev+0x40/0x60 [ 93.318112][ T5321] gether_register_netdev+0x84/0x180 [ 93.320450][ T5321] ncm_bind+0x717/0xdc0 [ 93.322283][ T5321] ? rcu_is_watching+0x15/0xb0 [ 93.324510][ T5321] usb_add_function+0x2e1/0x9f0 [ 93.326591][ T5321] ? check_remote_wakeup_config+0x58/0x1c0 [ 93.329065][ T5321] configfs_composite_bind+0xde0/0x1410 [ 93.331449][ T5321] ? __pfx_configfs_composite_bind+0x10/0x10 [ 93.334000][ T5321] gadget_bind_driver+0x2ca/0x9e0 [ 93.336183][ T5321] ? __pfx_gadget_bind_driver+0x10/0x10 [ 93.338660][ T5321] really_probe+0x254/0xae0 [ 93.340707][ T5321] __driver_probe_device+0x1e8/0x360 [ 93.343033][ T5321] driver_probe_device+0x4f/0x240 [ 93.345624][ T5321] __driver_attach+0x339/0x600 [ 93.347678][ T5321] bus_for_each_dev+0x23b/0x2c0 [ 93.349805][ T5321] ? __pfx___driver_attach+0x10/0x10 [ 93.352360][ T5321] ? __pfx_bus_for_each_dev+0x10/0x10 [ 93.354693][ T5321] ? do_raw_spin_unlock+0x4d/0x210 [ 93.356797][ T5321] bus_add_driver+0x345/0x670 [ 93.358990][ T5321] driver_register+0x23a/0x320 [ 93.361044][ T5321] usb_gadget_register_driver_owner+0xf9/0x270 [ 93.363755][ T5321] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 93.366211][ T5321] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 93.368838][ T5321] configfs_write_iter+0x337/0x430 [ 93.371068][ T5321] vfs_write+0x612/0xba0 [ 93.372958][ T5321] ? __pfx_vfs_write+0x10/0x10 [ 93.375025][ T5321] ? __fget_files+0x2a/0x420 [ 93.377049][ T5321] ksys_write+0x150/0x270 [ 93.379010][ T5321] ? __pfx_ksys_write+0x10/0x10 [ 93.381165][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.383838][ T5321] do_syscall_64+0x174/0x580 [ 93.385885][ T5321] ? trace_irq_disable+0x3b/0x140 [ 93.387987][ T5321] ? clear_bhb_loop+0x70/0xc0 [ 93.389978][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.392527][ T5321] RIP: 0033:0x7ff39499e0d9 [ 93.394446][ T5321] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 93.402399][ T5321] RSP: 002b:00007ff39589cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.405910][ T5321] RAX: ffffffffffffffda RBX: 00007ff394c26090 RCX: 00007ff39499e0d9 [ 93.409213][ T5321] RDX: 000000000000000b RSI: 0000200000001400 RDI: 000000000000000a [ 93.412496][ T5321] RBP: 00007ff394a35024 R08: 0000000000000000 R09: 0000000000000000 [ 93.415789][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 93.419081][ T5321] R13: 00007ff394c26128 R14: 00007ff394c26090 R15: 00007fff1e125918 [ 93.422486][ T5321] [ 93.423834][ T5321] Modules linked in: [ 93.426258][ T5321] ---[ end trace 0000000000000000 ]--- [ 93.436884][ T5321] RIP: 0010:register_netdevice+0x1e94/0x1eb0 [ 93.445008][ T5321] Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c be fb ff ff 4c 89 f7 e8 ff ce 91 f8 e9 b1 fb ff ff e8 95 9a 22 f8 90 0f 0b e8 8d 9a 22 f8 90 <0f> 0b e8 85 9a 22 f8 90 0f 0b e8 7d 9a 22 f8 41 be 42 00 00 00 e9 [ 93.460909][ T5321] RSP: 0018:ffffc9000f15f560 EFLAGS: 00010293 [ 93.465129][ T5321] RAX: ffffffff89a47853 RBX: 1ffff92001e2bec0 RCX: ffff888012f1a540 [ 93.471676][ T5321] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 93.475335][ T5321] RBP: ffffc9000f15f6e0 R08: ffffffff9002a0e7 R09: 1ffffffff200541c [ 93.478612][ T5321] R10: dffffc0000000000 R11: fffffbfff200541d R12: ffff888040b28f10 [ 93.482194][ T5321] R13: dffffc0000000000 R14: 0000000000000003 R15: ffff888040b28000 [ 93.485978][ T5321] FS: 00007ff39589d6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 93.489735][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.492564][ T5321] CR2: 00007f69175f8ad8 CR3: 0000000042dcc000 CR4: 0000000000352ef0 [ 93.496225][ T5321] Kernel panic - not syncing: Fatal exception [ 93.499076][ T5321] Kernel Offset: disabled [ 93.500821][ T5321] Rebooting in 86400 seconds..