syzbot


WARNING in netdev_queue_update_kobjects (2)

Status: upstream: reported C repro on 2024/04/22 15:46
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+41cf3f847df2c5f600a3@syzkaller.appspotmail.com
First crash: 36d, last: 32d
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [fs?] WARNING in netdev_queue_update_kobjects (2) 1 (3) 2024/04/23 23:35
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 22d 36d 0/3 upstream: reported on 2024/04/18 15:41
upstream WARNING in netdev_queue_update_kobjects fs 6 899d 931d 0/26 auto-closed as invalid on 2022/03/06 23:23
linux-6.1 WARNING in netdev_queue_update_kobjects 16 23d 35d 0/3 upstream: reported on 2024/04/19 01:14
Last patch testing requests (3)
Created Duration User Patch Repo Result
2024/05/06 16:21 24m retest repro net OK log
2024/05/06 16:21 29m retest repro net OK log
2024/04/23 22:46 23m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3cdb45594619 OK log

Sample crash report:
------------[ 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>

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/22 12:34 net f99c5f563c17 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/19 03:04 net f99c5f563c17 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/22 10:25 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/22 08:58 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/22 08:58 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/22 02:16 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/22 00:40 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/21 19:15 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/21 19:15 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/21 19:15 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/21 19:14 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/20 07:45 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/20 07:45 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/19 19:15 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/19 01:11 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/19 01:10 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/18 15:36 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
2024/04/18 15:36 net f99c5f563c17 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in netdev_queue_update_kobjects
* Struck through repros no longer work on HEAD.