Bug#983416: Error in javascript library

[Сергей Дмитриенко]

Package: libjavascriptcoregtk-4.0-18
Version: 2.30.4-1~deb10u1
Priority: optional
Section: libs
Source: webkit2gtk
Maintainer: Debian WebKit Maintainers 
<pkg-webkit-maintainers at lists.alioth.debian.org>
Installed-Size: 23,6 MB
Depends: libc6 (>= 2.17), libgcc1 (>= 1:3.4), libglib2.0-0 (>= 2.41.1), 
libicu63 (>= 63.1-1~), libstdc++6 (>= 6), libsystemd0, zlib1g (>= 1:1.1.4)
Homepage: https://webkitgtk.org/
Tag: role::shared-lib
Download-Size: 5 594 kB
APT-Sources: http://deb.debian.org/debian buster/main amd64 Packages

1. Open www.avito.ru in Epiphany browser

2. Click "Login&registration"

3. Login form appear

4. But! After 1 sec...

Firefox worked without any errors
**

*
*

*/var/log/kern.log*

Feb 23 23:40:42 z61t kernel: [ 1386.228685] traps: WebKitWebProces[2035] 
trap invalid opcode ip:7fb5d4627254 sp:7fff15e6ee50 error:0 in 
libjavascriptcoregtk-4.0.so.18.17.13[7fb5d414e000+15e0000]

*uname -a*

Linux z61t 4.19.0-14-amd64 #1 SMP Debian 4.19.171-2 (2021-01-30) x86_64 
GNU/Linux

*cat /proc/cpuinfo*

processor    : 0
vendor_id    : GenuineIntel
cpu family    : 6
model        : 15
model name    : Intel(R) Core(TM)2 CPU         T5500  @ 1.66GHz
stepping    : 6
microcode    : 0xc7
cpu MHz        : 997.199
cache size    : 2048 KB
physical id    : 0
siblings    : 2
core id        : 0
cpu cores    : 2
apicid        : 0
initial apicid    : 0
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall 
nx lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf 
pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm lahf_lm pti dtherm
bugs        : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf 
mds swapgs itlb_multihit
bogomips    : 3323.99
clflush size    : 64
cache_alignment    : 64
address sizes    : 36 bits physical, 48 bits virtual
power management:

processor    : 1
vendor_id    : GenuineIntel
cpu family    : 6
model        : 15
model name    : Intel(R) Core(TM)2 CPU         T5500  @ 1.66GHz
stepping    : 6
microcode    : 0xc7
cpu MHz        : 997.199
cache size    : 2048 KB
physical id    : 0
siblings    : 2
core id        : 1
cpu cores    : 2
apicid        : 1
initial apicid    : 1
fpu        : yes
fpu_exception    : yes
cpuid level    : 10
wp        : yes
flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall 
nx lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf 
pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm lahf_lm pti dtherm
bugs        : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf 
mds swapgs itlb_multihit
bogomips    : 3323.99
clflush size    : 64
cache_alignment    : 64
address sizes    : 36 bits physical, 48 bits virtual
power management:

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