WARNING in ieee80211_probe_client

Status: upstream: reported C repro on 2020/10/25 13:44
Reported-by: syzbot+217336bcb926931610d8@syzkaller.appspotmail.com
First crash: 2126d, last: 1280d
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in ieee80211_probe_client -1 1 1101d 1101d 0/3 auto-obsoleted due to no activity on 2023/11/24 15:57
linux-5.15 WARNING in ieee80211_probe_client origin:lts-only -1 syz, C inconclusive 285 25d 982d 0/3 upstream: reported C repro on 2023/12/13 23:00
upstream WARNING in ieee80211_probe_client wireless -1 syz, C done error 124 1076d 2145d 23/29 fixed on 2023/10/12 12:48
linux-4.19 WARNING in ieee80211_probe_client -1 syz, C error 18 1269d 2098d 0/1 upstream: reported C repro on 2020/11/22 04:36
▶ ▼ Fix bisection attempts (25)
Created Duration User Patch Repo Result
2023/02/18 12:43 25m bisect fix linux-4.14.y OK (0) job log log
2023/01/19 12:08 24m bisect fix linux-4.14.y OK (0) job log log
2022/10/26 08:10 25m bisect fix linux-4.14.y OK (0) job log log
2022/09/15 22:56 28m bisect fix linux-4.14.y OK (0) job log log
2022/08/16 22:30 23m bisect fix linux-4.14.y OK (0) job log log
2022/07/17 22:08 21m bisect fix linux-4.14.y OK (0) job log log
2022/06/17 21:39 28m bisect fix linux-4.14.y OK (0) job log log
2022/05/18 19:33 23m bisect fix linux-4.14.y OK (0) job log log
2022/04/18 18:39 24m bisect fix linux-4.14.y OK (0) job log log
2022/03/19 17:56 24m bisect fix linux-4.14.y OK (0) job log log
2022/02/17 17:27 25m bisect fix linux-4.14.y OK (0) job log log
2022/01/18 16:57 30m bisect fix linux-4.14.y OK (0) job log log
2021/12/19 16:28 24m bisect fix linux-4.14.y OK (0) job log log
2021/11/19 15:56 23m bisect fix linux-4.14.y OK (0) job log log
2021/10/20 15:25 21m bisect fix linux-4.14.y OK (0) job log log
2021/09/20 15:00 24m bisect fix linux-4.14.y OK (0) job log log
2021/08/21 14:26 27m bisect fix linux-4.14.y OK (0) job log log
2021/07/22 13:42 24m bisect fix linux-4.14.y OK (0) job log log
2021/06/22 10:57 26m bisect fix linux-4.14.y OK (0) job log log
2021/05/22 19:40 27m bisect fix linux-4.14.y OK (0) job log log
2021/04/22 17:11 21m bisect fix linux-4.14.y OK (0) job log log
2021/03/23 16:48 21m bisect fix linux-4.14.y OK (0) job log log
2021/02/21 11:11 21m bisect fix linux-4.14.y OK (0) job log log
2021/02/18 06:21 18m bisect fix linux-4.14.y error job log
2021/02/06 18:17 0m bisect fix linux-4.14.y error job log

Sample crash report:
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8003 at net/mac80211/cfg.c:3392 ieee80211_probe_client+0x657/0x751 net/mac80211/cfg.c:3392
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8003 Comm: syz-executor166 Not tainted 4.14.204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:ieee80211_probe_client+0x657/0x751 net/mac80211/cfg.c:3392
RSP: 0018:ffff8880b2fe7670 EFLAGS: 00010297
RAX: ffff8880b4ae4600 RBX: ffff8880930c0a80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000282
RBP: ffff888096a4dca0 R08: 0000000000000000 R09: 0000000000020012
R10: ffff8880b4ae4f28 R11: ffff8880b4ae4600 R12: ffff8880a1849120
R13: 0000000000000000 R14: ffff888096a4dc9c R15: ffff8880a1848b40
 rdev_probe_client net/wireless/rdev-ops.h:882 [inline]
 nl80211_probe_client+0x348/0xb80 net/wireless/nl80211.c:11067
 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x441939
RSP: 002b:00007fffb7410078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441939
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 000000306e616c77 R08: 0000001300000000 R09: 0000001300000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/11/08 17:07 linux-4.14.y 6b6446efedb2 cba33199 .config console log report syz C ci2-linux-4-14
2020/10/27 09:04 linux-4.14.y 5b7a52cd2eef 8b3eaf58 .config console log report syz C ci2-linux-4-14
2020/10/25 13:43 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report info ci2-linux-4-14
* Struck through repros no longer work on HEAD.