Brennan Xavier McManus 5996b2b2da tools/nolibc/stdlib: fix memory error in realloc() ...

commit 791f464114 upstream.

Pass user_p_len to memcpy() instead of heap->len to prevent realloc()
from copying an extra sizeof(heap) bytes from beyond the allocated
region.

Signed-off-by: Brennan Xavier McManus <bxmcmanus@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Fixes: 0e0ff63840 ("tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()`")
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-06-12 11:02:56 +02:00

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asm

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asm-generic

hugetlb_encode.h: fix undefined behaviour (34 << 26)

2022-10-03 14:02:55 -07:00

linux

memblock tests: fix undefined reference to `panic'

2024-05-17 11:56:06 +02:00

nolibc

tools/nolibc/stdlib: fix memory error in realloc()

2024-06-12 11:02:56 +02:00

tools

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trace/events

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uapi

bpf: Derive source IP addr via bpf_*_fib_lookup()

2024-03-06 14:45:20 +00:00

vdso

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