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* [syzbot] [wireless?] WARNING in ieee80211_prep_channel
@ 2025-01-30  8:34 syzbot
  2025-02-26  3:40 ` syzbot
  2025-03-24 18:20 ` syzbot
  0 siblings, 2 replies; 3+ messages in thread
From: syzbot @ 2025-01-30  8:34 UTC (permalink / raw)
  To: johannes, linux-kernel, linux-wireless, netdev, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    805ba04cb7cc Merge tag 'mips_6.14' of git://git.kernel.org..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15d3ae24580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7d796da73b2f708c
dashboard link: https://syzkaller.appspot.com/bug?extid=c90039fcfb40175abe28
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-805ba04c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/85ee30d862e7/vmlinux-805ba04c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0fcbe505a48e/bzImage-805ba04c.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c90039fcfb40175abe28@syzkaller.appspotmail.com

wg2: entered promiscuous mode
wg2: entered allmulticast mode
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop0: detected capacity change from 0 to 40427
F2FS-fs (loop0): Unrecognized mount option "activR_logs=6" or missing value
loop0: detected capacity change from 0 to 65536
XFS (loop0): Mounting V5 Filesystem 9b7348e5-2fa0-41a5-9526-c53a678b01f3
XFS (loop0): Torn write (CRC failure) detected at log block 0x10. Truncating head block from 0x12.
XFS (loop0): Tail block (0x10000) overwrite detected. Updated to 0x0
XFS (loop0): Corruption warning: Metadata has LSN (1:48) ahead of current LSN (1:16). Please unmount and run xfs_repair (>= v4.3) to resolve.
XFS (loop0): log mount/recovery failed: error -22
XFS (loop0): log mount failed
wlan1: No basic rates, using min rate instead
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5314 at net/mac80211/mlme.c:1012 ieee80211_determine_chan_mode net/mac80211/mlme.c:1012 [inline]
WARNING: CPU: 0 PID: 5314 at net/mac80211/mlme.c:1012 ieee80211_prep_channel+0x389b/0x5120 net/mac80211/mlme.c:5666
Modules linked in:
CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-08291-g805ba04cb7cc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ieee80211_determine_chan_mode net/mac80211/mlme.c:1012 [inline]
RIP: 0010:ieee80211_prep_channel+0x389b/0x5120 net/mac80211/mlme.c:5666
Code: c6 05 e7 7e 87 04 01 48 c7 c7 77 8d 29 8d be 78 03 00 00 48 c7 c2 60 8e 29 8d e8 50 1c 1d f6 e9 7e ca ff ff e8 76 4d 41 f6 90 <0f> 0b 90 48 8b 7c 24 30 e8 a8 69 9c f6 48 c7 44 24 30 ea ff ff ff
RSP: 0018:ffffc9000d3f6540 EFLAGS: 00010283
RAX: ffffffff8b7e1f5a RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000e91a000 RSI: 00000000000008be RDI: 00000000000008bf
RBP: ffffc9000d3f6890 R08: ffffffff8b7df479 R09: ffffffff8b50af99
R10: 000000000000000e R11: ffff88801cd5a440 R12: dffffc0000000000
R13: ffff88805317a758 R14: ffffc9000d3f6750 R15: ffffc9000d3f6790
FS:  00007f4f4434a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ab7f95ed8 CR3: 0000000041010000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_prep_connection+0xda1/0x1310 net/mac80211/mlme.c:8538
 ieee80211_mgd_auth+0xcec/0x1480 net/mac80211/mlme.c:8828
 rdev_auth net/wireless/rdev-ops.h:486 [inline]
 cfg80211_mlme_auth+0x59f/0x970 net/wireless/mlme.c:291
 cfg80211_conn_do_work+0x601/0xeb0 net/wireless/sme.c:183
 cfg80211_sme_connect net/wireless/sme.c:626 [inline]
 cfg80211_connect+0x1486/0x1d10 net/wireless/sme.c:1525
 nl80211_connect+0x188f/0x1fe0 net/wireless/nl80211.c:12236
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:728
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
 ___sys_sendmsg net/socket.c:2622 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2654
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4f4358cd29
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:00007f4f4434a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4f437a5fa0 RCX: 00007f4f4358cd29
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008
RBP: 00007f4f4360e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4f437a5fa0 R15: 00007ffdba3bb598
 </TASK>


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^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2025-03-24 18:20 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2025-01-30  8:34 [syzbot] [wireless?] WARNING in ieee80211_prep_channel syzbot
2025-02-26  3:40 ` syzbot
2025-03-24 18:20 ` syzbot

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