* [moderation/CI] Re: misc chandef cleanups
@ 2026-03-12 19:17 syzbot ci
2026-03-13 8:42 ` Aleksandr Nogikh
0 siblings, 1 reply; 2+ messages in thread
From: syzbot ci @ 2026-03-12 19:17 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v3] misc chandef cleanups
https://lore.kernel.org/all/20260312045804.362974-1-lachlan.hodges@morsemicro.com
* [PATCH wireless-next v3 1/3] wifi: mac80211: don't use cfg80211_chandef_create() for default chandef
* [PATCH wireless-next v3 2/3] wifi: cfg80211: restrict cfg80211_chandef_create() to only HT-based bands
* [PATCH wireless-next v3 3/3] wifi: cfg80211: check non-S1G width with S1G chandef
and found the following issue:
WARNING in cfg80211_chandef_create
Full report is available here:
https://ci.syzbot.org/series/ce6fc7d6-d8d4-4d00-a746-db78cba13e47
***
WARNING in cfg80211_chandef_create
tree: torvalds
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
base: 80234b5ab240f52fa45d201e899e207b9265ef91
arch: amd64
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
config: https://ci.syzbot.org/builds/0a18d006-45de-4bb2-a6e2-2cbb788bd2f5/config
C repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/c_repro
syz repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/syz_repro
netlink: 8 bytes leftover after parsing attributes in process `syz.0.17'.
------------[ cut here ]------------
chan->band == NL80211_BAND_60GHZ || chan->band == NL80211_BAND_S1GHZ
WARNING: net/wireless/chan.c:35 at cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34, CPU#1: syz.0.17/5951
Modules linked in:
CPU: 1 UID: 0 PID: 5951 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34
Code: 8b 26 4c 89 e7 48 c7 c6 40 d6 e3 8f e8 a0 7d bd f6 49 83 fc 04 74 0d 41 83 fc 02 75 12 e8 0f 78 bd f6 eb 05 e8 08 78 bd f6 90 <0f> 0b 90 eb 05 e8 fd 77 bd f6 89 ef 48 c7 c6 60 d6 e3 8f e8 6f 7d
RSP: 0018:ffffc900054fef78 EFLAGS: 00010293
RAX: ffffffff8b0825a8 RBX: ffffc900054ff0e0 RCX: ffff888112b5ba80
RDX: 0000000000000000 RSI: ffffffff8fe3d640 RDI: 0000000000000004
RBP: 0000000000000002 R08: ffff888112b5ba80 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004
R13: dffffc0000000000 R14: ffff888111c65998 R15: ffffc900054ff0e8
FS: 000055558dcaa500(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14d1588095 CR3: 000000010668a000 CR4: 00000000000006f0
Call Trace:
<TASK>
_nl80211_parse_chandef+0x438/0x1160 net/wireless/nl80211.c:3616
__nl80211_set_channel+0x1fe/0x850 net/wireless/nl80211.c:3736
nl80211_set_wiphy+0x116b/0x2fa0 net/wireless/nl80211.c:-1
genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114
genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209
netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
____sys_sendmsg+0x972/0x9f0 net/socket.c:2592
___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
__sys_sendmsg net/socket.c:2678 [inline]
__do_sys_sendmsg net/socket.c:2683 [inline]
__se_sys_sendmsg net/socket.c:2681 [inline]
__x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ea239c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe7ad20a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0ea2615fa0 RCX: 00007f0ea239c799
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007f0ea2432bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ea2615fac R14: 00007f0ea2615fa0 R15: 00007f0ea2615fa0
</TASK>
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
The email will later be sent to:
[arien.judge@morsemicro.com johannes@sipsolutions.net lachlan.hodges@morsemicro.com linux-wireless@vger.kernel.org]
If the report looks fine to you, reply with:
#syz upstream
If the report is a false positive, reply with
#syz invalid
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [moderation/CI] Re: misc chandef cleanups
2026-03-12 19:17 [moderation/CI] Re: misc chandef cleanups syzbot ci
@ 2026-03-13 8:42 ` Aleksandr Nogikh
0 siblings, 0 replies; 2+ messages in thread
From: Aleksandr Nogikh @ 2026-03-13 8:42 UTC (permalink / raw)
To: syzbot ci; +Cc: syzkaller-upstream-moderation, syzbot
#syz upstream
On Thu, Mar 12, 2026 at 8:17 PM syzbot ci
<syzbot+ci2610d53654eef5fa@syzkaller.appspotmail.com> wrote:
>
> syzbot ci has tested the following series
>
> [v3] misc chandef cleanups
> https://lore.kernel.org/all/20260312045804.362974-1-lachlan.hodges@morsemicro.com
> * [PATCH wireless-next v3 1/3] wifi: mac80211: don't use cfg80211_chandef_create() for default chandef
> * [PATCH wireless-next v3 2/3] wifi: cfg80211: restrict cfg80211_chandef_create() to only HT-based bands
> * [PATCH wireless-next v3 3/3] wifi: cfg80211: check non-S1G width with S1G chandef
>
> and found the following issue:
> WARNING in cfg80211_chandef_create
>
> Full report is available here:
> https://ci.syzbot.org/series/ce6fc7d6-d8d4-4d00-a746-db78cba13e47
>
> ***
>
> WARNING in cfg80211_chandef_create
>
> tree: torvalds
> URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
> base: 80234b5ab240f52fa45d201e899e207b9265ef91
> arch: amd64
> compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
> config: https://ci.syzbot.org/builds/0a18d006-45de-4bb2-a6e2-2cbb788bd2f5/config
> C repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/c_repro
> syz repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/syz_repro
>
> netlink: 8 bytes leftover after parsing attributes in process `syz.0.17'.
> ------------[ cut here ]------------
> chan->band == NL80211_BAND_60GHZ || chan->band == NL80211_BAND_S1GHZ
> WARNING: net/wireless/chan.c:35 at cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34, CPU#1: syz.0.17/5951
> Modules linked in:
> CPU: 1 UID: 0 PID: 5951 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> RIP: 0010:cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34
> Code: 8b 26 4c 89 e7 48 c7 c6 40 d6 e3 8f e8 a0 7d bd f6 49 83 fc 04 74 0d 41 83 fc 02 75 12 e8 0f 78 bd f6 eb 05 e8 08 78 bd f6 90 <0f> 0b 90 eb 05 e8 fd 77 bd f6 89 ef 48 c7 c6 60 d6 e3 8f e8 6f 7d
> RSP: 0018:ffffc900054fef78 EFLAGS: 00010293
> RAX: ffffffff8b0825a8 RBX: ffffc900054ff0e0 RCX: ffff888112b5ba80
> RDX: 0000000000000000 RSI: ffffffff8fe3d640 RDI: 0000000000000004
> RBP: 0000000000000002 R08: ffff888112b5ba80 R09: 0000000000000002
> R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004
> R13: dffffc0000000000 R14: ffff888111c65998 R15: ffffc900054ff0e8
> FS: 000055558dcaa500(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007f14d1588095 CR3: 000000010668a000 CR4: 00000000000006f0
> Call Trace:
> <TASK>
> _nl80211_parse_chandef+0x438/0x1160 net/wireless/nl80211.c:3616
> __nl80211_set_channel+0x1fe/0x850 net/wireless/nl80211.c:3736
> nl80211_set_wiphy+0x116b/0x2fa0 net/wireless/nl80211.c:-1
> genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114
> genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
> genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209
> netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
> genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
> netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
> netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
> netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
> sock_sendmsg_nosec net/socket.c:727 [inline]
> __sock_sendmsg net/socket.c:742 [inline]
> ____sys_sendmsg+0x972/0x9f0 net/socket.c:2592
> ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
> __sys_sendmsg net/socket.c:2678 [inline]
> __do_sys_sendmsg net/socket.c:2683 [inline]
> __se_sys_sendmsg net/socket.c:2681 [inline]
> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681
> do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
> do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7f0ea239c799
> Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007ffe7ad20a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
> RAX: ffffffffffffffda RBX: 00007f0ea2615fa0 RCX: 00007f0ea239c799
> RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000003
> RBP: 00007f0ea2432bd9 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
> R13: 00007f0ea2615fac R14: 00007f0ea2615fa0 R15: 00007f0ea2615fa0
> </TASK>
>
>
> ***
>
> If these findings have caused you to resend the series or submit a
> separate fix, please add the following tag to your commit message:
> Tested-by: syzbot@syzkaller.appspotmail.com
>
> ---
> This report is generated by a bot. It may contain errors.
> syzbot ci engineers can be reached at syzkaller@googlegroups.com.
>
> The email will later be sent to:
> [arien.judge@morsemicro.com johannes@sipsolutions.net lachlan.hodges@morsemicro.com linux-wireless@vger.kernel.org]
>
> If the report looks fine to you, reply with:
> #syz upstream
>
> If the report is a false positive, reply with
> #syz invalid
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-upstream-moderation" group.
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2026-03-12 19:17 [moderation/CI] Re: misc chandef cleanups syzbot ci
2026-03-13 8:42 ` Aleksandr Nogikh
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