BUG #18612: Postgres crash with segfault on disk full - ____strtof_l_internal (strtod_l.c:1019)

The following bug has been logged on the website:

Bug reference: 18612
Logged by: Bhupendra Patel
Email address: bhavin(dot)ec50(at)gmail(dot)com
PostgreSQL version: 16.2
Operating system: Linux
Description:

I have observed Postgres coredump upon disk full. Below is the stack trace
of core dump.

libc.so.6. +0x0355e0 ____strtof_l_internal (strtod_l.c:1019)

libc.so.6. +0x078fa0 mcheck_pedantic (mcheck.c:408)

libc.so.6. +0x07780f __libc_realloc (malloc.c:3223)

postgres +0x6e90bf _fini 

postgres +0x58e9f8 errfinish 

postgres +0x3dd7a1 CheckPointReplicationOrigin 

postgres +0x191e73 xact_redo 

postgres +0x198432 CreateCheckPoint 

postgres +0x0f92d9 _init 

postgres +0x3bc361 CheckpointerMain 

postgres +0x3ba6a5 AuxiliaryProcessMain 

postgres +0x3c0054 ClosePostmasterPorts 

postgres +0x3c37fb PostmasterMain 

postgres +0x0faed9 main

libc.so.6 +0x021a96 __gconv_lookup_cache (gconv_cache.c:367)

postgres +0x0faa4f errstart_cold 

postgres. +0x0faf6f main

I have another version of Postgres 9.2 and haven't observed same on it.
Please take a look and let me know if require more details.