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, &(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) r0 = openat2$dir(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1/functions/midi.usb0\x00', &(0x7f00000000c0)={0x0, 0x170, 0x21}, 0x18) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r0, &(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') (async) symlink(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/ncm.usb0\x00', &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/ncm.usb0\x00') r1 = openat(0xffffffffffffff9c, &(0x7f0000001300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x7e6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x163a42, 0x8) write(r2, &(0x7f0000000180)='10', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000200)='./bus\x00', 0x141842, 0x0) mount(&(0x7f0000000040)=@sr0, &(0x7f00000001c0)='./bus\x00', &(0x7f0000000000)='ext3\x00', 0x8081, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/test/memory.oom_control\x00', 0x20042, 0x0) (async) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/test/memory.oom_control\x00', 0x20042, 0x0) write(r3, &(0x7f0000000200)='1', 0x1) r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r4, &(0x7f0000000280)='0', 0x1) write(r1, &(0x7f0000001400)='dummy_udc.0', 0xb) (async) write(r1, &(0x7f0000001400)='dummy_udc.0', 0xb) [ 92.028758][ T9] cfg80211: failed to load regulatory.db [ 92.164177][ T5315] oom_control is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 92.223075][ T45] Bluetooth: hci0: command tx timeout [ 92.241745][ T5315] udc dummy_udc.0: failed to start g1: -105 [ 92.244312][ T5315] configfs-gadget.g1 gadget.0: probe with driver configfs-gadget.g1 failed with error -105 [ 92.256441][ T5315] UDC core: g1: couldn't find an available UDC or it's busy [ 92.264229][ T5316] ------------[ cut here ]------------ [ 92.266617][ T5316] kernel BUG at net/core/dev.c:11397! [ 92.269437][ T5316] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 92.271851][ T5316] CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 92.275269][ T5316] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 92.279240][ T5316] RIP: 0010:register_netdevice+0x1e94/0x1eb0 [ 92.281681][ T5316] Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c be fb ff ff 4c 89 f7 e8 cf c0 8b f8 e9 b1 fb ff ff e8 f5 78 1a f8 90 0f 0b e8 ed 78 1a f8 90 <0f> 0b e8 e5 78 1a f8 90 0f 0b e8 dd 78 1a f8 41 be 42 00 00 00 e9 [ 92.289093][ T5316] RSP: 0018:ffffc9000f017560 EFLAGS: 00010293 [ 92.291577][ T5316] RAX: ffffffff89acbbd3 RBX: 1ffff92001e02ec0 RCX: ffff8880002dcb00 [ 92.294714][ T5316] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 92.297773][ T5316] RBP: ffffc9000f0176e0 R08: ffffffff9023c727 R09: 1ffffffff20478e4 [ 92.300864][ T5316] R10: dffffc0000000000 R11: fffffbfff20478e5 R12: ffff88803ed34f10 [ 92.304052][ T5316] R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88803ed34000 [ 92.307250][ T5316] FS: 00007fb676bd46c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 [ 92.310449][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.313505][ T5316] CR2: 00007fb67a9ff230 CR3: 0000000012495000 CR4: 0000000000352ef0 [ 92.316334][ T5316] Call Trace: [ 92.317543][ T5316] [ 92.318630][ T5316] ? trace_contention_end+0x3d/0x140 [ 92.320455][ T5316] ? __mutex_lock+0x30b/0x1550 [ 92.322032][ T5316] ? register_netdev+0x18/0x60 [ 92.323978][ T5316] ? up_write+0x19d/0x4a0 [ 92.325763][ T5316] ? __pfx___mutex_lock+0x10/0x10 [ 92.327818][ T5316] ? __pfx_register_netdevice+0x10/0x10 [ 92.330049][ T5316] ? __hw_addr_insert+0x1f8/0x220 [ 92.331841][ T5316] ? dev_addr_mod+0x174/0x350 [ 92.333636][ T5316] ? dev_addr_mod+0x1ba/0x350 [ 92.335407][ T5316] register_netdev+0x40/0x60 [ 92.337020][ T5316] gether_register_netdev+0x84/0x180 [ 92.338870][ T5316] ncm_bind+0x717/0xdc0 [ 92.340379][ T5316] ? rcu_is_watching+0x16/0xb0 [ 92.342119][ T5316] usb_add_function+0x2e1/0x9f0 [ 92.343978][ T5316] ? check_remote_wakeup_config+0x58/0x1c0 [ 92.346123][ T5316] configfs_composite_bind+0xde0/0x1410 [ 92.348151][ T5316] ? __pfx_configfs_composite_bind+0x10/0x10 [ 92.350404][ T5316] gadget_bind_driver+0x2ca/0x9e0 [ 92.352399][ T5316] ? __pfx_gadget_bind_driver+0x10/0x10 [ 92.354607][ T5316] really_probe+0x254/0xae0 [ 92.356395][ T5316] __driver_probe_device+0x1e8/0x360 [ 92.358372][ T5316] driver_probe_device+0x4f/0x240 [ 92.360173][ T5316] __driver_attach+0x339/0x600 [ 92.362222][ T5316] bus_for_each_dev+0x23b/0x2c0 [ 92.364359][ T5316] ? __pfx___driver_attach+0x10/0x10 [ 92.366604][ T5316] ? __pfx_bus_for_each_dev+0x10/0x10 [ 92.368878][ T5316] ? do_raw_spin_unlock+0x4d/0x200 [ 92.371156][ T5316] bus_add_driver+0x345/0x670 [ 92.373239][ T5316] driver_register+0x23a/0x320 [ 92.375224][ T5316] usb_gadget_register_driver_owner+0xf9/0x270 [ 92.377667][ T5316] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 92.379801][ T5316] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 92.382279][ T5316] configfs_write_iter+0x337/0x430 [ 92.384409][ T5316] vfs_write+0x612/0xba0 [ 92.386133][ T5316] ? __pfx_vfs_write+0x10/0x10 [ 92.388080][ T5316] ? __fget_files+0x2a/0x420 [ 92.390198][ T5316] ksys_write+0x150/0x270 [ 92.392143][ T5316] ? __pfx_ksys_write+0x10/0x10 [ 92.394242][ T5316] do_syscall_64+0x166/0x520 [ 92.396309][ T5316] ? trace_irq_disable+0x3b/0x140 [ 92.398556][ T5316] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.401235][ T5316] ? clear_bhb_loop+0x70/0xc0 [ 92.403338][ T5316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.405996][ T5316] RIP: 0033:0x7fb67a79e0d9 [ 92.407997][ T5316] 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 [ 92.418600][ T5316] RSP: 002b:00007fb676bd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.423365][ T5316] RAX: ffffffffffffffda RBX: 00007fb67aa26090 RCX: 00007fb67a79e0d9 [ 92.427587][ T5316] RDX: 000000000000000b RSI: 0000200000001400 RDI: 0000000000000003 [ 92.431022][ T5316] RBP: 00007fb67a835024 R08: 0000000000000000 R09: 0000000000000000 [ 92.435347][ T5316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.439808][ T5316] R13: 00007fb67aa26128 R14: 00007fb67aa26090 R15: 00007fff90813a38 [ 92.443649][ T5316] [ 92.445002][ T5316] Modules linked in: [ 92.446705][ T5316] ---[ end trace 0000000000000000 ]--- [ 92.455558][ T5316] RIP: 0010:register_netdevice+0x1e94/0x1eb0 [ 92.458966][ T5316] Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c be fb ff ff 4c 89 f7 e8 cf c0 8b f8 e9 b1 fb ff ff e8 f5 78 1a f8 90 0f 0b e8 ed 78 1a f8 90 <0f> 0b e8 e5 78 1a f8 90 0f 0b e8 dd 78 1a f8 41 be 42 00 00 00 e9 [ 92.467905][ T5316] RSP: 0018:ffffc9000f017560 EFLAGS: 00010293 [ 92.471412][ T5316] RAX: ffffffff89acbbd3 RBX: 1ffff92001e02ec0 RCX: ffff8880002dcb00 [ 92.474848][ T5316] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 92.478301][ T5316] RBP: ffffc9000f0176e0 R08: ffffffff9023c727 R09: 1ffffffff20478e4 [ 92.482244][ T5316] R10: dffffc0000000000 R11: fffffbfff20478e5 R12: ffff88803ed34f10 [ 92.485725][ T5316] R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88803ed34000 [ 92.489480][ T5316] FS: 00007fb676bd46c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 [ 92.494255][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.498023][ T5316] CR2: 00007fb67a9ff230 CR3: 0000000012495000 CR4: 0000000000352ef0 [ 92.502386][ T5316] Kernel panic - not syncing: Fatal exception [ 92.505425][ T5316] Kernel Offset: disabled [ 92.507247][ T5316] Rebooting in 86400 seconds..