------------[ cut here ]-[ 825.512245][T17147] ------------[ cut here ]------------ kernel BUG at net/core/dev.c:11346! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 17147 Comm: syz.9.3557 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:register_netdevice+0x1eac/0x1ed0 net/core/dev.c:11346 Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c bd fb ff ff 4c 89 f7 e8 a7 e0 0a f9 e9 b0 fb ff ff e8 4d 8a 9e f8 90 0f 0b e8 45 8a 9e f8 90 <0f> 0b e8 3d 8a 9e f8 90 0f 0b e8 35 8a 9e f8 41 be 42 00 00 00 e9 RSP: 0018:ffffc90007387560 EFLAGS: 00010283 RAX: ffffffff8927196b RBX: 1ffff92000e70ec0 RCX: 0000000000080000 RDX: ffffc9002913b000 RSI: 0000000000000860 RDI: 0000000000000861 RBP: ffffc900073876e0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: ffff88804f8a0898 R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88804f8a0000 FS: 00007f483b5666c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda20335d58 CR3: 000000003db86000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: register_netdev+0x40/0x60 net/core/dev.c:11568 gether_register_netdev+0x84/0x180 drivers/usb/gadget/function/u_ether.c:873 ncm_bind+0x717/0xdc0 drivers/usb/gadget/function/f_ncm.c:1470 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f483d30e0d9 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 RSP: 002b:00007f483b566028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f483d595fa0 RCX: 00007f483d30e0d9 RDX: 000000000000000b RSI: 0000200000001400 RDI: 0000000000000005 RBP: 00007f483d3a5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f483d596038 R14: 00007f483d595fa0 R15: 00007ffd7a87f568 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:register_netdevice+0x1eac/0x1ed0 net/core/dev.c:11346 Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c bd fb ff ff 4c 89 f7 e8 a7 e0 0a f9 e9 b0 fb ff ff e8 4d 8a 9e f8 90 0f 0b e8 45 8a 9e f8 90 <0f> 0b e8 3d 8a 9e f8 90 0f 0b e8 35 8a 9e f8 41 be 42 00 00 00 e9 RSP: 0018:ffffc90007387560 EFLAGS: 00010283 RAX: ffffffff8927196b RBX: 1ffff92000e70ec0 RCX: 0000000000080000 RDX: ffffc9002913b000 RSI: 0000000000000860 RDI: 0000000000000861 RBP: ffffc900073876e0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: ffff88804f8a0898 R13: dffffc0000000000 R14: 0000000000000003 R15: ffff88804f8a0000 FS: 00007f483b5666c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda20335d58 CR3: 000000003db86000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400