syzbot


WARNING in sta_info_insert_rcu (4)

Status: upstream: reported C repro on 2024/11/18 16:56
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+8b512026a7ec10dcbdd9@syzkaller.appspotmail.com
First crash: 133d, last: 9h31m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in sta_info_insert_rcu (4) 0 (2) 2025/01/16 09:35
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in sta_info_insert_rcu C 1648 752d 1645d 0/1 upstream: reported C repro on 2020/09/24 11:41
linux-5.15 WARNING in sta_info_insert_rcu missing-backport origin:lts-only C inconclusive 5 11d 605d 0/3 upstream: reported C repro on 2023/07/31 21:20
upstream WARNING in sta_info_insert_rcu (3) wireless C done 6 580d 621d 23/28 fixed on 2023/10/12 12:48
linux-4.14 WARNING in sta_info_insert_rcu C 13 767d 1642d 0/1 upstream: reported C repro on 2020/09/27 22:10
linux-6.1 WARNING in sta_info_insert_rcu origin:upstream C done 1 592d 592d 3/3 fixed on 2023/10/05 17:16
upstream WARNING in sta_info_insert_rcu (2) wireless 1 1001d 997d 0/28 auto-obsoleted due to no activity on 2022/10/28 19:30
upstream WARNING in sta_info_insert_rcu C done done 2533 1209d 1645d 20/28 fixed on 2022/03/08 16:11
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/02/17 03:03 15m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1139 at net/mac80211/sta_info.c:737 sta_info_insert_check net/mac80211/sta_info.c:737 [inline]
WARNING: CPU: 1 PID: 1139 at net/mac80211/sta_info.c:737 sta_info_insert_rcu+0x24a/0x1b70 net/mac80211/sta_info.c:942
Modules linked in:
CPU: 1 UID: 0 PID: 1139 Comm: kworker/u32:7 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:737 [inline]
RIP: 0010:sta_info_insert_rcu+0x24a/0x1b70 net/mac80211/sta_info.c:942
Code: 0f b7 83 ae 20 00 00 31 ff 44 31 e0 0f b7 c0 09 d0 89 c6 89 44 24 08 e8 e4 49 fd f6 8b 44 24 08 85 c0 75 7f e8 d7 4e fd f6 90 <0f> 0b 90 c7 44 24 14 ea ff ff ff e8 c6 4e fd f6 48 8b 34 24 4c 89
RSP: 0018:ffffc900064b7ab0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888030c1cd80 RCX: ffffffff8a9cd65b
RDX: ffff8880277dc880 RSI: ffffffff8a9cd5c9 RDI: 0000000000000001
RBP: ffffffff905f7cb4 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: 000000000000ffff
R13: ffff888031e30048 R14: 00000000ffffffff R15: ffff888030338e40
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35d7d620e0 CR3: 000000002e2c6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_ocb_finish_sta net/mac80211/ocb.c:102 [inline]
 ieee80211_ocb_work+0x30c/0x650 net/mac80211/ocb.c:136
 ieee80211_iface_work+0x8ad/0xf00 net/mac80211/iface.c:1697
 cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/16 09:35 upstream 619f0b6fad52 968edaf4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in sta_info_insert_rcu
2025/03/27 21:31 upstream 1a9239bb4253 928390c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/19 20:12 upstream 81e4f8d68c66 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/16 04:17 upstream eb88e6bfbc0a e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/14 16:39 upstream e3a854b577cb e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/11 11:38 upstream 4d872d51bc9d 16256247 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/09 11:36 upstream b7c90e3e717a 163f510d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/02/03 03:02 upstream 69e858e0b8b2 568559e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/01/28 05:16 upstream 805ba04cb7cc 18070896 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/01/25 23:23 upstream 405057718a1f 9fbd772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/01/25 11:09 upstream b46c89c08f41 9fbd772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/01/16 09:01 upstream 619f0b6fad52 968edaf4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in sta_info_insert_rcu
2025/01/12 17:44 upstream b62cef9a5c67 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/01/11 07:32 upstream 77a903cd8e5a 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2024/11/14 16:56 upstream 0a9b9d17f3a7 77f3eeb7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
2025/03/09 07:10 net 505ead7ab77f 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in sta_info_insert_rcu
* Struck through repros no longer work on HEAD.