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mem_link_valid ( called by MEM_SANITY() ) need to be called under protected conditions.

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because, plug_holes which is called by mem_free will change data that used by mem_link_valid.
This commit is contained in:
cxluoshuai 2024-06-25 22:21:41 +08:00
parent 86c9f79991
commit 193a22df28
1 changed files with 3 additions and 1 deletions
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4
src/core/mem.c
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@ -935,6 +935,9 @@ mem_malloc_adjust_lfree:
lfree = cur;
LWIP_ASSERT("mem_malloc: !lfree->used", ((lfree == ram_end) || (!lfree->used)));
}
/* mem_link_valid ( called by MEM_SANITY() ) need to be called under protected conditions.
because, plug_holes which is called by mem_free will change data that used by mem_link_valid */
MEM_SANITY();
LWIP_MEM_ALLOC_UNPROTECT();
sys_mutex_unlock(&mem_mutex);
LWIP_ASSERT("mem_malloc: allocated memory not above ram_end.",
@ -947,7 +950,6 @@ mem_malloc_adjust_lfree:
#if MEM_OVERFLOW_CHECK
mem_overflow_init_element(mem, size_in);
#endif
MEM_SANITY();
return (u8_t *)mem + SIZEOF_STRUCT_MEM + MEM_SANITY_OFFSET;
}
}