steam client 1709168962 crashes on start with "Steamwebhelper is not responding"

[mikeb26]

Your system information

• Steam client version (build number or date): 1709168962
• Distribution (e.g. Ubuntu): Ubuntu 20.04.6 LTS
• Opted into Steam client beta?: No
• Have you checked for system updates?: Yes
• Steam Logs: attached; also ran w/ STEAM_LINUX_RUNTIME_VERBOSE=1 and attached steamwebhelper.log
• GPU: AMD Radeon RX 480

Please describe your issue in as much detail as possible:

steam crashes on start reporting "Steamwebhelper is not responding" . Client version 1705108172 was working fine, so the bug appears to have been introduced between 1705108172 and 1709168962.

Steps for reproducing this issue:

1. steam

steam-logs.tar.gz
steamwebhelper.log

[mikeb26]

from steamwebhelper.log the following messages seem to indicate missing graphics libraries:

pressure-vessel-wrap[89018]: D: Checking library libGL.so.1 integrity with /zfs/home/gamer/.local/share/Steam/ubuntu12_64/steam-runtime-sniper/pressure-vessel/libexec/steam-runtime-tools-0/x86_64-linux-gnu-inspect-library 
pressure-vessel-wrap[89018]: D: Wait status 256
pressure-vessel-wrap[89018]: D: -> exit status 1
pressure-vessel-wrap[89018]: D: Unable to load library libEGL_mesa.so.0: Unable to find the library: libEGL_mesa.so.0: cannot open shared object file: No such file or directory
pressure-vessel-wrap[89018]: D: loader path for libEGL_mesa.so.0 is NULL
...
pressure-vessel-wrap[89018]: D: Checking library libva.so.1 integrity with /zfs/home/gamer/.local/share/Steam/ubuntu12_64/steam-runtime-sniper/pressure-vessel/libexec/steam-runtime-tools-0/i386-linux-gnu-inspect-library 
pressure-vessel-wrap[89018]: D: Wait status 256
pressure-vessel-wrap[89018]: D: -> exit status 1
pressure-vessel-wrap[89018]: D: Unable to load library libva.so.1: Unable to find the library: libva.so.1: cannot open shared object file: No such file or directory
pressure-vessel-wrap[89018]: D: loader path for libva.so.1 is NULL

[mikeb26]

kern.log also has:

Feb 29 18:48:10 hammer kernel: [ 2999.673716] show_signal: 27 callbacks suppressed
Feb 29 18:48:10 hammer kernel: [ 2999.673717] traps: steamwebhelper[135943] trap int3 ip:7fd4fd28d375 sp:7fff90521a00 error:0 in libcef.so[7fd4f7094000+91a8000]

[mikeb26]

looks like this is a duplicate of #10547 I replaced a symlink i had for $HOME/.config to a bind mount and steam is now working.