syzbot


WARNING in ieee80211_bss_info_change_notify

Status: upstream: reported C repro on 2023/03/08 18:54
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+0a139b1a72e3314bad6f@syzkaller.appspotmail.com
First crash: 978d, last: 6m
Bug presence (3)
Date Name Commit Repro Result
2024/07/21 linux-5.15.y (ToT) 7c6d66f0266f C [report] WARNING in ieee80211_bss_info_change_notify
2023/05/10 upstream (ToT) ad2fd53a7870 C [report] WARNING in ieee80211_link_info_change_notify
2024/07/21 upstream (ToT) 2c9b3512402e C Didn't crash
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in ieee80211_bss_info_change_notify -1 C done 442 616d 978d 3/3 fixed on 2024/04/04 09:15
upstream WARNING in ieee80211_bss_info_change_notify (2) wireless -1 C done 1392 615d 760d 25/29 fixed on 2024/03/26 17:39
upstream WARNING in ieee80211_bss_info_change_notify wireless -1 C done 7725 760d 1865d 23/29 fixed on 2023/10/12 12:47
linux-4.19 WARNING in ieee80211_bss_info_change_notify -1 C 534 982d 1865d 0/1 upstream: reported C repro on 2020/10/02 07:16
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/07/30 09:50 5h46m fix candidate upstream OK (2) job log

Sample crash report:
netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x4
WARNING: CPU: 1 PID: 4321 at net/mac80211/driver-ops.h:172 drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline]
WARNING: CPU: 1 PID: 4321 at net/mac80211/driver-ops.h:172 ieee80211_bss_info_change_notify+0x37b/0x550 net/mac80211/main.c:212
Modules linked in:
CPU: 1 PID: 4321 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline]
RIP: 0010:ieee80211_bss_info_change_notify+0x37b/0x550 net/mac80211/main.c:212
Code: 7d 8d f8 49 8b 84 24 00 06 00 00 49 81 c4 20 06 00 00 48 85 c0 4c 0f 45 e0 48 c7 c7 40 14 19 8b 4c 89 e6 89 ea e8 95 f1 6f 00 <0f> 0b e9 07 fd ff ff e8 a9 15 49 f8 0f 0b e9 b1 fe ff ff e8 9d 15
RSP: 0018:ffffc9000321f3a0 EFLAGS: 00010246
RAX: 90c055eb9acc7100 RBX: 0000000002000000 RCX: ffff888025c80000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: dffffc0000000000 R09: ffffed10172267b0
R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffff888076ed8000
R13: ffff888076ed9290 R14: ffff88807dea0da0 R15: ffff888076eda298
FS:  000055556614c500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a24844dab0 CR3: 0000000024054000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_set_mcast_rate+0x3b/0x50 net/mac80211/cfg.c:2602
 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline]
 nl80211_set_mcast_rate+0x338/0x510 net/wireless/nl80211.c:10462
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xbc6/0xf40 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x1e0/0x430 net/netlink/af_netlink.c:2507
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x774/0x920 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ab/0xbc0 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:706 [inline]
 __sock_sendmsg net/socket.c:718 [inline]
 ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2446
 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2500
 __sys_sendmsg net/socket.c:2529 [inline]
 __do_sys_sendmsg net/socket.c:2538 [inline]
 __se_sys_sendmsg+0x190/0x250 net/socket.c:2536
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3df14ee6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffccb7af508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3df1744fa0 RCX: 00007f3df14ee6c9
RDX: 0000000000000000 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f3df1570f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3df1744fa0 R14: 00007f3df1744fa0 R15: 0000000000000003
 </TASK>

Crashes (2993):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/07 20:41 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/09 17:07 linux-5.15.y 7a6c2d093c45 d291dd2d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/03 22:34 linux-5.15.y 01879f56bdde 96a211bc .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/07/06 10:22 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/06/23 06:10 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/06/02 07:51 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/03/16 00:01 linux-5.15.y 0c935c049b5c e2826670 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2024/04/21 23:50 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2024/01/17 09:16 linux-5.15.y ddcaf4999061 2a7bcc7f .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2023/03/20 09:20 linux-5.15.y 8020ae3c051d 7939252e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/01/13 05:16 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/10/05 07:53 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/09/27 10:37 linux-5.15.y 3a5928702e71 9314348a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/09/24 13:39 linux-5.15.y 3a5928702e71 89298aad .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/09/02 13:54 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/05/16 07:22 linux-5.15.y 284087d4f7d5 ef5d53ed .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/05/13 23:24 linux-5.15.y 284087d4f7d5 9026e142 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/04/26 05:37 linux-5.15.y c52b9710c83d 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/04/23 03:46 linux-5.15.y c52b9710c83d 36c961ad .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/04/19 15:57 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/04/04 22:17 linux-5.15.y 9465fef4ae35 0ee3535e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2024/03/03 11:28 linux-5.15.y 80efc6265290 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/10/07 19:38 linux-5.15.y 1edcec18cfb7 5e837c76 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/06/28 05:15 linux-5.15.y f67653019430 4cd5bb25 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2023/06/26 04:08 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2023/05/28 18:36 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2023/06/07 06:49 linux-5.15.y d7af3e5ba454 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/06/06 05:06 linux-5.15.y d7af3e5ba454 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/05/08 11:49 linux-5.15.y 8a7f2a5c5aa1 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/03/10 19:34 linux-5.15.y abddfcf701a5 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2025/11/10 18:50 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/07 04:57 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/06 23:03 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/06 08:45 linux-5.15.y cc5ec8769306 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/05 12:44 linux-5.15.y cc5ec8769306 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/05 12:44 linux-5.15.y cc5ec8769306 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/03 17:36 linux-5.15.y cc5ec8769306 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/01 21:06 linux-5.15.y cc5ec8769306 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/11/01 13:14 linux-5.15.y cc5ec8769306 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/31 21:38 linux-5.15.y cc5ec8769306 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/30 22:38 linux-5.15.y cc5ec8769306 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/29 21:20 linux-5.15.y cc5ec8769306 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/29 19:35 linux-5.15.y cc5ec8769306 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/29 10:50 linux-5.15.y ac56c046adf4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/27 18:17 linux-5.15.y ac56c046adf4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/27 15:52 linux-5.15.y ac56c046adf4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/26 13:48 linux-5.15.y ac56c046adf4 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/26 11:54 linux-5.15.y ac56c046adf4 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/24 08:35 linux-5.15.y ac56c046adf4 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/24 04:17 linux-5.15.y ac56c046adf4 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/22 08:44 linux-5.15.y ac56c046adf4 252fbbad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/21 09:26 linux-5.15.y ac56c046adf4 9832ed61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/20 20:20 linux-5.15.y ac56c046adf4 d422939c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/19 22:02 linux-5.15.y ac56c046adf4 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/19 20:14 linux-5.15.y ac56c046adf4 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/18 03:57 linux-5.15.y 29e53a5b1c4f 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/18 02:37 linux-5.15.y 29e53a5b1c4f 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/17 19:36 linux-5.15.y 29e53a5b1c4f 7adf5298 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/17 14:48 linux-5.15.y 29e53a5b1c4f 7adf5298 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/15 23:17 linux-5.15.y 29e53a5b1c4f 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/14 08:48 linux-5.15.y 29e53a5b1c4f b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/13 23:58 linux-5.15.y 29e53a5b1c4f b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/13 03:42 linux-5.15.y 29e53a5b1c4f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/13 02:08 linux-5.15.y 29e53a5b1c4f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/10/11 09:03 linux-5.15.y 29e53a5b1c4f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/29 08:30 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/29 06:21 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/29 00:43 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/28 08:30 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/28 01:11 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/09/27 21:21 linux-5.15.y 43bb85222e53 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
2025/08/14 18:44 linux-5.15.y c79648372d02 5d8c2ac2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_bss_info_change_notify
2023/03/08 18:54 linux-5.15.y d9b4a0c83a2d 4fc6d98d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_bss_info_change_notify
* Struck through repros no longer work on HEAD.