libc/qsort: fix invalid-pointer-pair if enable detect_invalid_pointer_pairs=2 #9207
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…_pairs=2
=================================================================
==2920138==ERROR: AddressSanitizer: invalid-pointer-pair: 0x603000000130 0x000000000000
#0 0x5602d3c6a89d in qsort stdlib/lib_qsort.c:180
#1 0x5602d3c28928 in romfs_cachenode romfs/fs_romfsutil.c:503
#2 0x5602d3c2854d in romfs_cachenode romfs/fs_romfsutil.c:486
#3 0x5602d3c2b056 in romfs_fsconfigure romfs/fs_romfsutil.c:777
#4 0x5602d3c24856 in romfs_bind romfs/fs_romfs.c:1111
#5 0x5602d3bf5179 in nx_mount mount/fs_mount.c:427
#6 0x5602d3bf5796 in mount mount/fs_mount.c:539
apache#7 0x5602d3bc1154 in nsh_romfsetc apps/nshlib/nsh_romfsetc.c:110
apache#8 0x5602d3b8f38d in nsh_initialize apps/nshlib/nsh_init.c:127
apache#9 0x5602d3b8f2b7 in nsh_main apps/system/nsh/nsh_main.c:69
apache#10 0x5602d3b7a3a6 in nxtask_startup sched/task_startup.c:70
apache#11 0x5602d3b5de89 in nxtask_start task/task_start.c:134
0x603000000130 is located 0 bytes inside of 32-byte region [0x603000000130,0x603000000150)
allocated by thread T0 here:
#0 0x7fcdac74793c in __interceptor_posix_memalign ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:226
#1 0x5602d3c9024e in host_memalign sim/posix/sim_hostmemory.c:180
#2 0x5602d3c907d2 in host_realloc sim/posix/sim_hostmemory.c:222
#3 0x5602d3b8aaff in mm_realloc sim/sim_heap.c:262
#4 0x5602d3b87a6a in realloc umm_heap/umm_realloc.c:91
#5 0x5602d3c280c4 in romfs_cachenode romfs/fs_romfsutil.c:466
#6 0x5602d3c2854d in romfs_cachenode romfs/fs_romfsutil.c:486
apache#7 0x5602d3c2b056 in romfs_fsconfigure romfs/fs_romfsutil.c:777
apache#8 0x5602d3c24856 in romfs_bind romfs/fs_romfs.c:1111
apache#9 0x5602d3bf5179 in nx_mount mount/fs_mount.c:427
apache#10 0x5602d3bf5796 in mount mount/fs_mount.c:539
apache#11 0x5602d3bc1154 in nsh_romfsetc apps/nshlib/nsh_romfsetc.c:110
apache#12 0x5602d3b8f38d in nsh_initialize apps/nshlib/nsh_init.c:127
apache#13 0x5602d3b8f2b7 in nsh_main apps/system/nsh/nsh_main.c:69
apache#14 0x5602d3b7a3a6 in nxtask_startup sched/task_startup.c:70
apache#15 0x5602d3b5de89 in nxtask_start task/task_start.c:134
Address 0x000000000000 is a wild pointer.
SUMMARY: AddressSanitizer: invalid-pointer-pair stdlib/lib_qsort.c:180 in qsort
==2920138==ABORTING
Aborted (core dumped)
Signed-off-by: chao an <anchao@xiaomi.com>
pkarashchenko
approved these changes
May 8, 2023
jerpelea
approved these changes
May 8, 2023
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Summary
libc/qsort: fix invalid-pointer-pair if enable detect_invalid_pointer_pairs=2
================================================================= ==2920138==ERROR: AddressSanitizer: invalid-pointer-pair: 0x603000000130 0x000000000000 #0 0x5602d3c6a89d in qsort stdlib/lib_qsort.c:180 #1 0x5602d3c28928 in romfs_cachenode romfs/fs_romfsutil.c:503 #2 0x5602d3c2854d in romfs_cachenode romfs/fs_romfsutil.c:486 #3 0x5602d3c2b056 in romfs_fsconfigure romfs/fs_romfsutil.c:777 #4 0x5602d3c24856 in romfs_bind romfs/fs_romfs.c:1111 #5 0x5602d3bf5179 in nx_mount mount/fs_mount.c:427 #6 0x5602d3bf5796 in mount mount/fs_mount.c:539 #7 0x5602d3bc1154 in nsh_romfsetc apps/nshlib/nsh_romfsetc.c:110 #8 0x5602d3b8f38d in nsh_initialize apps/nshlib/nsh_init.c:127 #9 0x5602d3b8f2b7 in nsh_main apps/system/nsh/nsh_main.c:69 #10 0x5602d3b7a3a6 in nxtask_startup sched/task_startup.c:70 #11 0x5602d3b5de89 in nxtask_start task/task_start.c:134 0x603000000130 is located 0 bytes inside of 32-byte region [0x603000000130,0x603000000150) allocated by thread T0 here: #0 0x7fcdac74793c in __interceptor_posix_memalign ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:226 #1 0x5602d3c9024e in host_memalign sim/posix/sim_hostmemory.c:180 #2 0x5602d3c907d2 in host_realloc sim/posix/sim_hostmemory.c:222 #3 0x5602d3b8aaff in mm_realloc sim/sim_heap.c:262 #4 0x5602d3b87a6a in realloc umm_heap/umm_realloc.c:91 #5 0x5602d3c280c4 in romfs_cachenode romfs/fs_romfsutil.c:466 #6 0x5602d3c2854d in romfs_cachenode romfs/fs_romfsutil.c:486 #7 0x5602d3c2b056 in romfs_fsconfigure romfs/fs_romfsutil.c:777 #8 0x5602d3c24856 in romfs_bind romfs/fs_romfs.c:1111 #9 0x5602d3bf5179 in nx_mount mount/fs_mount.c:427 #10 0x5602d3bf5796 in mount mount/fs_mount.c:539 #11 0x5602d3bc1154 in nsh_romfsetc apps/nshlib/nsh_romfsetc.c:110 #12 0x5602d3b8f38d in nsh_initialize apps/nshlib/nsh_init.c:127 #13 0x5602d3b8f2b7 in nsh_main apps/system/nsh/nsh_main.c:69 #14 0x5602d3b7a3a6 in nxtask_startup sched/task_startup.c:70 #15 0x5602d3b5de89 in nxtask_start task/task_start.c:134 Address 0x000000000000 is a wild pointer. SUMMARY: AddressSanitizer: invalid-pointer-pair stdlib/lib_qsort.c:180 in qsort ==2920138==ABORTING Aborted (core dumped)Impact
N/A
Testing
asan