After turned on MALLOCDEBUG on AIX, GPFS command got core dump. It is running with ksh Version JM 93t+ 2010-06-21.
# export MALLOCDEBUG=catch_overflow,validate_ptrs Segmentation fault in readdir64 at 0xd02358dc 0xd02358dc (readdir64+0x9c) 901f0020 stw r0,0x20(r31) (dbx) where readdir64(??) at 0xd02358dc gl_dirnext(0x2ff138d8, 0x2003afe0) at 0x100d3954 glob_dir(0x2ff138d8, 0x20036380) at 0x100d2954 glob.glob(0x20036359, 0xb850, 0x0, 0x2ff138d8) at 0x100d34b8 path_expand(0x20036359, 0x2ff13c94) at 0x100d0be4 path_generate(0x0, 0x2ff13c94) at 0x100d1258 endfield(0x200300c8, 0x0) at 0x100c6b38 sh_macexpand(0x20000de8, 0x2029b5b8, 0x2ff13c94, 0x0) at 0x100cf8ec arg_expand(0x20000de8, 0x2029b5b8, 0x2ff13c94, 0x0) at 0x100b6478 sh_argbuild(0x20000de8, 0x2ff13d4c, 0x2029b598, 0x0) at 0x100b65f8 sh_exec(0x2029b598, 0x4) at 0x100ba9b4 sh_exec(0x2029f878, 0x6) at 0x100bd31c sh_funscope(0x6, 0x200362ec, 0x0, 0x2ff15ce0, 0x4) at 0x100b9314 sh_funct(0x20000de8, 0x2031efc0, 0x6, 0x200362ec, 0x0, 0x4) at 0x100b986c sh_exec(0x2026a088, 0x4) at 0x100bc0d4 sh_exec(0x2026b250, 0x7) at 0x100bd31c sh_funscope(0x7, 0x20036234, 0x0, 0x2ff17d50, 0x5) at 0x100b9314 sh_funct(0x20000de8, 0x2031e820, 0x7, 0x20036234, 0x0, 0x5) at 0x100b986c sh_exec(0x200360d0, 0x5) at 0x100bc0d4 sh_subshell(0x200360d0, 0x5, 0x1) at 0x100b2ed8 comsubst(0x200300c8, 0x200360d0, 0x1) at 0x100c9d7c varsub(0x200300c8) at 0x100ca8fc copyto(0x200300c8, 0x0, 0x0) at 0x100ce408 sh_mactrim(0x20000de8, 0x2025f0d9, 0xffffffff) at 0x100cf478 nv_setlist(0x2025f0d0, 0x20200, 0x0) at 0x10016a2c sh_exec(0x2025f1a8, 0x4) at 0x100bb000 sh_exec(0x2025f208, 0x4) at 0x100bd31c sh_exec(0x2025ec30, 0x4) at 0x100bdff0 sh_exec(0x20260740, 0x7) at 0x100bd31c sh_funscope(0x2, 0x20036060, 0x0, 0x2ff1d780, 0x5) at 0x100b9314 sh_funct(0x20000de8, 0x2031e7c0, 0x2, 0x20036060, 0x0, 0x5) at 0x100b986c sh_exec(0x20036018, 0x5) at 0x100bc0d4 sh_subshell(0x20036018, 0x5, 0x1) at 0x100b2ed8 comsubst(0x200300c8, 0x20036018, 0x1) at 0x100c9d7c varsub(0x200300c8) at 0x100ca8fc copyto(0x200300c8, 0x0, 0x0) at 0x100ce408 sh_mactrim(0x20000de8, 0x20035b61, 0xffffffff) at 0x100cf478 nv_setlist(0x20035b58, 0x20200, 0x0) at 0x10016a2c sh_exec(0x20035b88, 0x4) at 0x100bb000 sh_exec(0x20035c20, 0x4) at 0x100bd31c sh_exec(0x20035ad0, 0x4) at 0x100bdff0 exfile(0x20000de8, 0x201906a8, 0xa) at 0x10001568 sh_main(0x2, 0x2ff2240c, 0x0) at 0x10002304 pmain.main(0x2, 0x2ff2240c) at 0x1000036c Can you please tell us if this is a known problem and if there is any fix? Thanks, Tru.
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