syzbot


WARNING in cfg80211_bss_update (2)
Status: auto-closed as invalid on 2022/04/18 00:39
Reported-by: syzbot+0b4e1901856f4895db24@syzkaller.appspotmail.com
First crash: 245d, last: 159d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in cfg80211_bss_update 1 494d 492d 0/22 auto-closed as invalid on 2021/05/17 12:37

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7965 at net/wireless/scan.c:1577 cfg80211_combine_bsses net/wireless/scan.c:1577 [inline]
WARNING: CPU: 0 PID: 7965 at net/wireless/scan.c:1577 cfg80211_bss_update+0x1869/0x2070 net/wireless/scan.c:1758
Modules linked in:
CPU: 0 PID: 7965 Comm: kworker/u4:8 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:cfg80211_combine_bsses net/wireless/scan.c:1577 [inline]
RIP: 0010:cfg80211_bss_update+0x1869/0x2070 net/wireless/scan.c:1758
Code: ff e9 1f ff ff ff e8 c6 18 fd f8 48 8d 7b 98 e8 1d 5c ff ff e9 96 fe ff ff e8 b3 18 fd f8 0f 0b e9 92 f4 ff ff e8 a7 18 fd f8 <0f> 0b 4c 89 ff e8 3d f7 64 fb 31 ff 89 c6 88 44 24 70 e8 70 1c fd
RSP: 0018:ffffc9000aa1f600 EFLAGS: 00010212
RAX: 0000000000000b03 RBX: 0000000000000002 RCX: ffffc9000be59000
RDX: 0000000000040000 RSI: ffffffff887a9929 RDI: 0000000000000003
RBP: ffff888078c59c00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff887a9049 R11: 0000000000000000 R12: ffff8880187ff068
R13: 0000000000000005 R14: ffff8880187ff000 R15: ffff888078c59c10
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31324000 CR3: 000000006d823000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cfg80211_inform_single_bss_frame_data+0x6e8/0xee0 net/wireless/scan.c:2425
 cfg80211_inform_bss_frame_data+0xa7/0xb50 net/wireless/scan.c:2458
 ieee80211_bss_info_update+0x35b/0xb30 net/mac80211/scan.c:190
 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x19cf/0x3130 net/mac80211/ibss.c:1639
 ieee80211_iface_process_skb net/mac80211/iface.c:1468 [inline]
 ieee80211_iface_work+0xa65/0xd00 net/mac80211/iface.c:1522
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/12/19 00:39 net-next f85b244ee395 44068e19 .config log report info WARNING in cfg80211_bss_update
ci-upstream-net-kasan-gce 2021/09/23 07:16 net-next 428168f99517 8cac236e .config log report info WARNING in cfg80211_bss_update