Adhemerval Zanella 184b9e530e stdlib: fix arc4random fallback to /dev/urandom (BZ 31612) ...

The __getrandom_nocancel used by __arc4random_buf uses
INLINE_SYSCALL_CALL (which returns -1/errno) and the loop checks for
the return value instead of errno to fallback to /dev/urandom.

The malloc code now uses __getrandom_nocancel_nostatus, which uses
INTERNAL_SYSCALL_CALL, so there is no need to use the variant that does
not set errno (BZ#29624).

Checked on x86_64-linux-gnu.

Reviewed-by: Xi Ruoyao <xry111@xry111.site>

2024-07-08 10:05:10 -03:00

2.9 KiB

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