syzbot


WARNING in sta_info_insert_rcu

Status: upstream: reported C repro on 2020/09/24 11:41
Reported-by: syzbot+7b4f03f1c10942ef9a68@syzkaller.appspotmail.com
First crash: 738d, last: 1d00h
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in sta_info_insert_rcu C 13 13d 735d 0/1 upstream: reported C repro on 2020/09/27 22:10
upstream WARNING in sta_info_insert_rcu (2) 1 94d 90d 0/24 upstream: reported on 2022/07/04 19:34
upstream WARNING in sta_info_insert_rcu C done done 2533 301d 738d 22/24 fixed on 2022/03/08 16:11

Sample crash report:
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 107 at net/mac80211/sta_info.c:478 sta_info_insert_check net/mac80211/sta_info.c:478 [inline]
WARNING: CPU: 0 PID: 107 at net/mac80211/sta_info.c:478 sta_info_insert_rcu.cold+0x29/0xd8 net/mac80211/sta_info.c:656
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 107 Comm: kworker/u4:2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022
Workqueue: phy3 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:478 [inline]
RIP: 0010:sta_info_insert_rcu.cold+0x29/0xd8 net/mac80211/sta_info.c:656
Code: ff e8 46 36 4e f9 48 c7 c7 60 4b 67 89 e8 a5 67 df ff 0f 0b e9 4f ca 82 ff e8 2e 36 4e f9 48 c7 c7 60 4b 67 89 e8 8d 67 df ff <0f> 0b 41 bc ea ff ff ff e9 b9 db 82 ff e8 10 36 4e f9 48 c7 c7 60
RSP: 0018:ffff8880b523fa60 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff888094d5cfc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016a47f3e
RBP: 0000000000000001 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000009adbdef
R13: ffff8880b06eab48 R14: ffff8880b06eab00 R15: ffff888095289200
 ieee80211_ibss_finish_sta+0x25b/0x360 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1362
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1493):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2022/09/22 11:21 linux-4.19.y 3f8a27f9e27b 60af5050 .config log report syz C WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/08/27 17:21 linux-4.19.y 3f8a27f9e27b 07177916 .config log report syz C WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/07/05 06:41 linux-4.19.y 3f8a27f9e27b bff65f44 .config log report syz C WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/05/12 19:10 linux-4.19.y 3f8a27f9e27b 9ad6612a .config log report syz C WARNING in sta_info_insert_rcu
ci2-linux-4-19 2021/06/10 23:49 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report syz C WARNING in sta_info_insert_rcu
ci2-linux-4-19 2020/12/23 07:16 linux-4.19.y 13d2ce42de8c 04201c06 .config log report syz C
ci2-linux-4-19 2020/11/26 02:01 linux-4.19.y 0c88e405c97e 3f581b43 .config log report syz C
ci2-linux-4-19 2020/11/22 05:03 linux-4.19.y 2c746135a12e 0d27f508 .config log report syz C
ci2-linux-4-19 2020/11/05 23:18 linux-4.19.y b94de4d19498 cba33199 .config log report syz C
ci2-linux-4-19 2020/10/21 16:18 linux-4.19.y ad326970d25c 99c64d5c .config log report syz C
ci2-linux-4-19 2020/10/16 09:42 linux-4.19.y a1b977b49b66 6e262c73 .config log report syz C
ci2-linux-4-19 2020/10/13 14:09 linux-4.19.y a1b977b49b66 bd69ee0d .config log report syz C
ci2-linux-4-19 2020/10/13 13:48 linux-4.19.y a1b977b49b66 bd69ee0d .config log report syz C
ci2-linux-4-19 2020/10/13 13:06 linux-4.19.y a1b977b49b66 bd69ee0d .config log report syz C
ci2-linux-4-19 2020/09/24 12:09 linux-4.19.y d09b80172c22 54289b08 .config log report syz C
ci2-linux-4-19 2022/10/02 02:07 linux-4.19.y 3f8a27f9e27b feb56351 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/30 10:12 linux-4.19.y 3f8a27f9e27b 45fd7169 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/28 12:29 linux-4.19.y 3f8a27f9e27b 75c78242 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/27 14:30 linux-4.19.y 3f8a27f9e27b 10323ddf .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/27 03:22 linux-4.19.y 3f8a27f9e27b d59ba983 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/26 15:28 linux-4.19.y 3f8a27f9e27b d59ba983 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/25 19:10 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/24 23:41 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/23 13:41 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/23 02:21 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/22 16:01 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/20 09:21 linux-4.19.y 3f8a27f9e27b 7c41a9ba .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/20 00:31 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/19 13:25 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/18 18:43 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/18 12:09 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/17 14:15 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/17 01:56 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/16 15:06 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/16 12:20 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/16 06:05 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/15 18:00 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/15 16:10 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/15 12:20 linux-4.19.y 3f8a27f9e27b dd9a85ff .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/14 00:39 linux-4.19.y 3f8a27f9e27b b884348d .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/14 00:39 linux-4.19.y 3f8a27f9e27b b884348d .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/12 04:11 linux-4.19.y 3f8a27f9e27b 356d8217 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/11 22:44 linux-4.19.y 3f8a27f9e27b 356d8217 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/11 18:44 linux-4.19.y 3f8a27f9e27b 356d8217 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/09 19:52 linux-4.19.y 3f8a27f9e27b 90058bdc .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/09 11:03 linux-4.19.y 3f8a27f9e27b 90058bdc .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/09 00:47 linux-4.19.y 3f8a27f9e27b f3027468 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/07 17:58 linux-4.19.y 3f8a27f9e27b c5b7bc57 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/07 14:49 linux-4.19.y 3f8a27f9e27b c5b7bc57 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/07 00:20 linux-4.19.y 3f8a27f9e27b 5fc30c37 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/06 12:35 linux-4.19.y 3f8a27f9e27b 65aea2b9 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/04 15:58 linux-4.19.y 3f8a27f9e27b 28811d0a .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/04 09:56 linux-4.19.y 3f8a27f9e27b 28811d0a .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/03 15:38 linux-4.19.y 3f8a27f9e27b 28811d0a .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/09/02 16:45 linux-4.19.y 3f8a27f9e27b 25194605 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/08/31 18:11 linux-4.19.y 3f8a27f9e27b 51e54e30 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/08/30 12:48 linux-4.19.y 3f8a27f9e27b 4a380809 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/08/30 07:27 linux-4.19.y 3f8a27f9e27b 4a380809 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2022/08/28 15:05 linux-4.19.y 3f8a27f9e27b 07177916 .config log report info WARNING in sta_info_insert_rcu
ci2-linux-4-19 2021/01/15 02:51 linux-4.19.y 675cc038067f 468dbb55 .config log report info
ci2-linux-4-19 2020/09/24 11:40 linux-4.19.y d09b80172c22 54289b08 .config log report info
* Struck through repros no longer work on HEAD.