Pierre Muller asked: > Are executables randomized in memory? Yes, they are. I have a program which prints its memory map. When I run it twice in a row, it prints different addresses:
102720000-102724000 r-x 102724000-102728000 r-- 102728000-10272c000 rw- 10272c000-102730000 r-- 102730000-102738000 rw- 102738000-10273c000 r-- 10273c000-102740000 r-- 102740000-102744000 rw- 102744000-102748000 --- 102748000-102750000 rw- 102750000-102754000 --- 102754000-102758000 --- 102758000-102760000 rw- 102760000-102764000 --- 102764000-102768000 --- 102768000-102770000 rw- 102770000-102774000 --- 102774000-102778000 r-- 102938000-1029b4000 r-x 1029b4000-1029bc000 r-- 1029bc000-1029c0000 rw- 1029c0000-1029f4000 rw- 1029f4000-102a38000 r-- 102a38000-102a3c000 r-- 11de00000-11df00000 rw- 11e000000-11e800000 rw- 1696e0000-16cee4000 --- 16cee4000-16d6e0000 rw- 180000000-190000000 r-- 190000000-1a0000000 r-- 1a0000000-1b0000000 r-- 1b0000000-1c0000000 r-- 1c0000000-1d0000000 r-- 1d0000000-1e0000000 r-- 1e0000000-1f0000000 r-- 1f0000000-1fa000000 r-- 1fa000000-1fc000000 rw- 1fc000000-200000000 r-- 200000000-2003d4000 r-- 2003d4000-205c48000 rw- 205c48000-206000000 r-- 206000000-210000000 r-- 210000000-220000000 r-- 220000000-230000000 r-- 230000000-240000000 r-- 240000000-250000000 r-- 250000000-260000000 r-- 260000000-270000000 r-- 270000000-280000000 r-- fc0000000-1000000000 --- 1000000000-7000000000 --- 100518000-10051c000 r-x 10051c000-100520000 r-- 100520000-100524000 rw- 100524000-100528000 r-- 100528000-100530000 rw- 100530000-100534000 r-- 100534000-100538000 r-- 100538000-10053c000 rw- 10053c000-100540000 --- 100540000-100548000 rw- 100548000-10054c000 --- 10054c000-100550000 --- 100550000-100558000 rw- 100558000-10055c000 --- 10055c000-100560000 --- 100560000-100568000 rw- 100568000-10056c000 --- 10056c000-100570000 r-- 1005d4000-100650000 r-x 100650000-100658000 r-- 100658000-10065c000 rw- 10065c000-100690000 rw- 100690000-1006d4000 r-- 1006d4000-1006d8000 r-- 13fe00000-13ff00000 rw- 140000000-140800000 rw- 16b8e8000-16f0ec000 --- 16f0ec000-16f8e8000 rw- 180000000-190000000 r-- 190000000-1a0000000 r-- 1a0000000-1b0000000 r-- 1b0000000-1c0000000 r-- 1c0000000-1d0000000 r-- 1d0000000-1e0000000 r-- 1e0000000-1f0000000 r-- 1f0000000-1fa000000 r-- 1fa000000-1fc000000 rw- 1fc000000-200000000 r-- 200000000-2003d4000 r-- 2003d4000-205c48000 rw- 205c48000-206000000 r-- 206000000-210000000 r-- 210000000-220000000 r-- 220000000-230000000 r-- 230000000-240000000 r-- 240000000-250000000 r-- 250000000-260000000 r-- 260000000-270000000 r-- 270000000-280000000 r-- fc0000000-1000000000 --- 1000000000-7000000000 --- Only the part of the memory with addresses >= 0x180000000 remains the same across runs, but there is no executable code in these areas. Bruno _______________________________________________ cfarm-users mailing list cfarm-users@lists.tetaneutral.net https://lists.tetaneutral.net/listinfo/cfarm-users
