From: syzbot <syzbot+bc0f5b92cc7091f45fb6@syzkaller.appspotmail.com>
To: davem@davemloft.net, edumazet@google.com,
johannes@sipsolutions.net, kuba@kernel.org,
linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, pabeni@redhat.com,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] [wireless?] WARNING in _ieee80211_change_chanctx
Date: Mon, 29 Apr 2024 02:29:21 -0700 [thread overview]
Message-ID: <00000000000070759a061738e388@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: e88c4cfcb7b8 Merge tag 'for-6.9-rc5-tag' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12aea028980000
kernel config: https://syzkaller.appspot.com/x/.config?x=545d4b3e07d6ccbc
dashboard link: https://syzkaller.appspot.com/bug?extid=bc0f5b92cc7091f45fb6
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cc2737f2e766/disk-e88c4cfc.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c53581da70d1/vmlinux-e88c4cfc.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c90cde48e98f/bzImage-e88c4cfc.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bc0f5b92cc7091f45fb6@syzkaller.appspotmail.com
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3146 at net/mac80211/chan.c:501 _ieee80211_change_chanctx+0x363/0x11c0 net/mac80211/chan.c:501
Modules linked in:
CPU: 0 PID: 3146 Comm: syz-executor.2 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:_ieee80211_change_chanctx+0x363/0x11c0 net/mac80211/chan.c:501
Code: 0f 8e 1a 0c 00 00 8b 7b 08 48 c7 c6 00 e3 4f 8c 49 89 fc e8 5f d5 33 f7 41 83 fc 05 76 0f 41 83 fc 0d 74 09 e8 0e da 33 f7 90 <0f> 0b 90 e8 05 da 33 f7 48 8b 74 24 10 ba 01 00 00 00 48 8b 3c 24
RSP: 0018:ffffc90003376e20 EFLAGS: 00010287
RAX: 0000000000001a65 RBX: ffffc90003376fd0 RCX: ffffc90004012000
RDX: 0000000000040000 RSI: ffffffff8a59e842 RDI: 0000000000000005
RBP: ffff88807b6f80b6 R08: 0000000000000005 R09: 000000000000000d
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000006
R13: 0000000000000000 R14: ffff88805de532f8 R15: ffff88807b6f8000
FS: 00007f75cdf286c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d823000 CR3: 0000000040486000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000003
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_change_chanctx net/mac80211/chan.c:547 [inline]
ieee80211_recalc_chanctx_chantype+0x69c/0x870 net/mac80211/chan.c:773
ieee80211_link_change_chanreq+0x7aa/0xd70 net/mac80211/chan.c:1920
ieee80211_set_ap_chanwidth+0x181/0x320 net/mac80211/cfg.c:4343
rdev_set_ap_chanwidth net/wireless/rdev-ops.h:1136 [inline]
__nl80211_set_channel+0x4cb/0x990 net/wireless/nl80211.c:3418
nl80211_set_wiphy+0xcc8/0x2d00 net/wireless/nl80211.c:3575
genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1113
genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline]
genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1208
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2559
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1217
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0xab5/0xc90 net/socket.c:2584
___sys_sendmsg+0x135/0x1e0 net/socket.c:2638
__sys_sendmsg+0x117/0x1f0 net/socket.c:2667
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f75cd27dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f75cdf280c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f75cd3abf80 RCX: 00007f75cd27dea9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007f75cd2ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f75cd3abf80 R15: 00007ffd05dbb2b8
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
reply other threads:[~2024-04-29 9:29 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=00000000000070759a061738e388@google.com \
--to=syzbot+bc0f5b92cc7091f45fb6@syzkaller.appspotmail.com \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=johannes@sipsolutions.net \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.