WARNING in ieee80211_recalc_min_chandef

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12626a3bb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=eb39267d4a9a90a866fb
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)

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

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+eb3926...@syzkaller.appspotmail.com

wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
WARNING: CPU: 1 PID: 23 at net/mac80211/util.c:2343 ieee80211_recalc_min_chandef+0x122/0x140 net/mac80211/util.c:2343
Kernel panic - not syncing: panic_on_warn set ...

IPv6: ADDRCONF(NETDEV_CHANGE): gtp0: link becomes ready
CPU: 1 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy31 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
panic+0x26a/0x50e kernel/panic.c:186
__warn.cold+0x20/0x5a kernel/panic.c:541
report_bug+0x262/0x2b0 lib/bug.c:183
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ieee80211_recalc_min_chandef+0x122/0x140 net/mac80211/util.c:2343
Code: f9 48 c7 c2 40 f8 67 89 be 24 09 00 00 48 c7 c7 60 f5 67 89 c6 05 22 5c 69 03 01 e8 3c e9 4d 00 e9 5a ff ff ff e8 ee 38 bd f9 <0f> 0b eb 95 e8 d5 15 f3 f9 e9 6e ff ff ff e8 cb 15 f3 f9 e9 f6 fe
RSP: 0018:ffff8880b5047ab0 EFLAGS: 00010293
RAX: ffff8880b503c600 RBX: 0000000000000000 RCX: ffffffff87a54c50
RDX: 0000000000000000 RSI: ffffffff87a54c82 RDI: ffff88804d962e70
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888016534540
R13: ffff888016535778 R14: ffff88803b8b6150 R15: 0000000000000000
sta_info_move_state+0x6b3/0x900 net/mac80211/sta_info.c:1908
sta_info_pre_move_state net/mac80211/sta_info.h:683 [inline]
ieee80211_ibss_finish_sta+0x164/0x360 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692
ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1362
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.