Package: iwd
Version: 1.2-1
Severity: grave
Justification: renders package unusable

Dear Maintainer,

I upgraded my Debian testing system to the latest version of Bullseye,
and I was completely unable to connect to wireless.  In the logs, I see
that iwd is crashing:

Dec 12 09:40:11 lambda kernel: [55486.381334] iwd[202645]: segfault at 38 ip 
000055b1995e2056 sp 00007ffc966c5360 error 6 in iwd[55b1995c4000+84000]
Dec 12 09:40:11 lambda kernel: [55486.381374] Code: 48 83 c4 20 e9 58 fe ff ff 
0f 1f 00 3c 21 0f 85 70 ff ff ff 31 c0 80 7c 24 10 00 0f 95 c0 83 c0 01 41 89 
47 08 48 8b 44 24 18 <49> 89 46 38 e9 51 ff ff ff 90 41 8b 77 08 85 f6 0f 84 44 
ff ff ff

The iwd crash happens when a wireless network is selected via
NetworkManager.  The NetworkManager icon will then show that it is
trying to connect to a network, and after a few seconds, it will go back
to the "I'm not connected to any network" --- and the logs show that iwd
has crashed again.  :-(

Reverting to iwd 1.1-1 makes my system usable again.  I was able to
download iwd 1.1-1 by using a USB attached ethernet using the Verizon
MiFi hotspot.  So that confirms that it's not a DHCP failure, but rather
a WiFi association failure and between that and "reverting to the
previous version" fixes it, puts the finger of blame pretty squarely on
iwd 1.2-1.

This failure occured when connecting to three different network.  (a)
GoogleGuest at GoogleNYC, (b) a hotspot using a Pixel 4 XL handset, and
(c) a Verizon LTE MiFi hotspot.  I am running a 5.3.0 kernel with
minimal changes (the ext4 patches that were pushed to Linus during the
recent pre-5.4-rc1 merge window) that should not be relevant to this
failure.

The hardware is a Dell XPS 13 model 9370, using the ath10k_pci driver.

Please let know if there is anything I can do to help debug this
failure.

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (900, 'testing'), (900, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.3.0-00068-g7ec6dbcda3db (SMP w/8 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), 
LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages iwd depends on:
ii  libc6         2.29-3
ii  libreadline8  8.0-3

iwd recommends no packages.

iwd suggests no packages.

-- no debconf information

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