Hello, syzbot found the following issue on: HEAD commit: f99c5f563c17 Merge tag 'nf-24-03-21' of git://git.kernel.o.. git tree: net console+strace: https://syzkaller.appspot.com/x/log.txt?x=152c0d20980000 kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440 dashboard link: https://syzkaller.appspot.com/bug?extid=41cf3f847df2c5f600a3 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d3d1fd180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=141dd66f180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/65d3f3eb786e/disk-f99c5f56.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/799cf7f28ff8/vmlinux-f99c5f56.xz kernel image: https://storage.googleapis.com/syzbot-assets/ab26c60c3845/bzImage-f99c5f56.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+41cf3f847df2c5f600a3@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ sysfs group 'byte_queue_limits' not found for kobject 'tx-0' WARNING: CPU: 0 PID: 5073 at fs/sysfs/group.c:284 sysfs_remove_group+0x17f/0x2b0 fs/sysfs/group.c:282 Modules linked in: CPU: 0 PID: 5073 Comm: kbnepd bnep0 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:sysfs_remove_group+0x17f/0x2b0 fs/sysfs/group.c:282 Code: 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 b5 f4 c2 ff 49 8b 14 24 48 c7 c7 c0 33 bb 8b 4c 89 f6 e8 b2 87 22 ff 90 <0f> 0b 90 90 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc RSP: 0018:ffffc90003a3f8a0 EFLAGS: 00010246 RAX: 665251c6ceee3200 RBX: ffff888076fb7050 RCX: ffff88802254bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8157cc12 R09: 1ffff92000747e68 R10: dffffc0000000000 R11: fffff52000747e69 R12: ffff888076fb7020 R13: 1ffffffff1941fac R14: ffffffff8ca10560 R15: ffff88802d2fc740 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdbcd9e8a8 CR3: 000000002bf2a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> netdev_queue_update_kobjects+0x532/0x5f0 net/core/net-sysfs.c:1852 remove_queue_kobjects net/core/net-sysfs.c:1951 [inline] netdev_unregister_kobject+0x110/0x250 net/core/net-sysfs.c:2104 unregister_netdevice_many_notify+0x11d4/0x16d0 net/core/dev.c:11129 unregister_netdevice_many net/core/dev.c:11157 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11036 unregister_netdevice include/linux/netdevice.h:3115 [inline] unregister_netdev+0x1c/0x30 net/core/dev.c:11175 bnep_session+0x2e09/0x3000 net/bluetooth/bnep/core.c:525 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup