mm/kasan: node header should updated from unpoisoning memory #6749
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| (gdb) bt | #0 up_assert (filename=0x7fffffffdc6c "\001", lineno=0) at sim/up_assert.c:75 | #1 0x00005555555e636b in _assert (filename=0x555555627225 "kasan/kasan.c", linenum=104) at assert/lib_assert.c:36 | #2 0x00005555555a388e in kasan_report (addr=140737284458088, size=1, is_write=true) at kasan/kasan.c:104 | #3 0x00005555555a40a1 in __asan_storeN_noabort (addr=140737284458088, size=1) at kasan/kasan.c:297 | #4 0x00005555555a4519 in __asan_store1_noabort (addr=140737284458088) at kasan/kasan.c:348 | #5 0x00005555555a26d7 in memset (s=0x7ffff3d8c668, c=0, n=63) at string/lib_memset.c:169 | #6 0x00005555555a46a4 in mm_addregion (heap=0x7ffff3d8c000, heapstart=0x7ffff3d8c648, heapsize=66058656) at mm_heap/mm_initialize.c:131 | apache#7 0x00005555555a4a00 in mm_initialize (name=0x555555627068 "Umem", heapstart=0x7ffff3d8c648, heapsize=67107256) at mm_heap/mm_initialize.c:231 | apache#8 0x00005555555a33b1 in umm_initialize (heap_start=0x7ffff3d8c000, heap_size=67108864) at umm_heap/umm_initialize.c:84 | apache#9 0x000055555558f17c in nx_start () at init/nx_start.c:469 | apache#10 0x0000555555589559 in main (argc=1, argv=0x7fffffffdf58, envp=0x7fffffffdf68) at sim/up_head.c:131 | (gdb) Signed-off-by: chao.an <anchao@xiaomi.com>
anchao
changed the title
pkarashchenko
approved these changes
Aug 1, 2022
move MM_ADD_BACKTRACE out of heap lock to improve the performance Signed-off-by: chao.an <anchao@xiaomi.com>
xiaoxiang781216
approved these changes
Aug 1, 2022
Ouss4
approved these changes
Aug 1, 2022
pkarashchenko
approved these changes
Aug 1, 2022
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Summary
mm/kasan: node header should updated from unpoisoning memory
mm_heap/backtrace: move MM_ADD_BACKTRACE out of heap lock
Impact
N/A
Testing
sim/kasan
enable config:
CONFIG_DEBUG_MM=y
CONFIG_MM_BACKTRACE=8
CONFIG_MM_BACKTRACE_DEFAULT=y
CONFIG_MM_DUMP_ON_FAILURE=y