syzbot


WARNING in netdev_queue_update_kobjects

Status: upstream: reported on 2024/04/19 01:14
Reported-by: syzbot+0e5ac4e6e2961ccacf8e@syzkaller.appspotmail.com
First crash: 66d, last: 54d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in netdev_queue_update_kobjects 7 53d 67d 0/3 upstream: reported on 2024/04/18 15:41
upstream WARNING in netdev_queue_update_kobjects fs 6 931d 962d 0/27 auto-closed as invalid on 2022/03/06 23:23
upstream WARNING in netdev_queue_update_kobjects (2) fs C error 18 63d 63d 0/27 upstream: reported C repro on 2024/04/22 15:46

Sample crash report:
------------[ cut here ]------------
sysfs group 'byte_queue_limits' not found for kobject 'tx-0'
WARNING: CPU: 1 PID: 5588 at fs/sysfs/group.c:280 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Modules linked in:
CPU: 1 PID: 5588 Comm: kbnepd bnep0 Not tainted 6.1.89-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 2a 0c c8 ff 49 8b 14 24 48 c7 c7 e0 5d fc 8a 4c 89 f6 e8 97 91 38 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c1 94 70 ff
RSP: 0018:ffffc90006377910 EFLAGS: 00010246
RAX: f04eebaf69580300 RBX: ffff88807f6a2850 RCX: ffff88807cbd3b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81528eae R09: fffff52000c6ee81
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807f6a2820
R13: 1ffffffff17c5474 R14: ffffffff8be2aae0 R15: ffff88805b317ae0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb21000 CR3: 000000007d29f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_queue_update_kobjects+0x3ce/0x480 net/core/net-sysfs.c:1731
 remove_queue_kobjects net/core/net-sysfs.c:1830 [inline]
 netdev_unregister_kobject+0x10d/0x250 net/core/net-sysfs.c:1983
 unregister_netdevice_many+0x12c1/0x17a0 net/core/dev.c:10908
 unregister_netdevice_queue net/core/dev.c:10812 [inline]
 unregister_netdevice include/linux/netdevice.h:3045 [inline]
 unregister_netdev+0x19b/0x210 net/core/dev.c:10940
 bnep_session+0x2d06/0x2ee0 net/bluetooth/bnep/core.c:524
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/30 17:56 linux-6.1.y dcbc050cb0d3 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/30 17:53 linux-6.1.y dcbc050cb0d3 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/30 00:38 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/30 00:35 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/26 23:01 linux-6.1.y 6741e066ec76 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/24 18:56 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/24 18:56 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/23 15:29 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/23 15:25 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/23 13:16 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/23 13:08 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/04/23 13:08 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in netdev_queue_update_kobjects
2024/05/01 12:33 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in netdev_queue_update_kobjects
2024/04/30 17:03 linux-6.1.y dcbc050cb0d3 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in netdev_queue_update_kobjects
2024/04/23 12:06 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in netdev_queue_update_kobjects
2024/04/19 01:12 linux-6.1.y 6741e066ec76 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in netdev_queue_update_kobjects
* Struck through repros no longer work on HEAD.