https://sourceware.org/bugzilla/show_bug.cgi?id=30877
--- Comment #1 from Akhilesh Kumar <akhilesh.k at samsung dot com> --- below are the test results on RISC_V target Summary Even we compiled this application with -z,relro,-z,now on pmap showing .got address as RW Test Results :- user@starfive:~/akhilesh$ gcc -g -Wl,-z,relro,-z,now -o test test.c user@starfive:~/akhilesh$ readelf -a test | grep RELRO GNU_RELRO 0x0000000000000df8 0x0000000000001df8 0x0000000000001df8 user@starfive:~/akhilesh$ readelf -a test | grep NOW 0x000000000000001e (FLAGS) BIND_NOW 0x000000006ffffffb (FLAGS_1) Flags: NOW PIE user@starfive:~/akhilesh$ gdb -q test Reading symbols from test... gdb-peda$ check checkpoint checksec gdb-peda$ checksec Warning: 'set logging off', an alias for the command 'set logging enabled', is deprecated. Use 'set logging enabled off'. Warning: 'set logging on', an alias for the command 'set logging enabled', is deprecated. Use 'set logging enabled on'. CANARY : disabled FORTIFY : disabled NX : ENABLED PIE : ENABLED RELRO : FULL gdb-peda$ gdb-peda$ b main Breakpoint 1 at 0x6ca: file test.c, line 7. gdb-peda$ shel objdump -R test | grep printf Ambiguous command "shel objdump -R test | grep printf ": shell, shellcode. gdb-peda$ shell objdump -R test | grep printf 0000000000002028 R_RISCV_JUMP_SLOT printf@GLIBC_2.27 gdb-peda$ b main Note: breakpoint 1 also set at pc 0x6ca. Breakpoint 2 at 0x6ca: file test.c, line 7. gdb-peda$ r Starting program: /home/user/akhilesh/test [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/riscv64-linux-gnu/libthread_db.so.1". Warning: 'set logging off', an alias for the command 'set logging enabled', is deprecated. Use 'set logging enabled off'. Warning: 'set logging on', an alias for the command 'set logging enabled', is deprecated. Use 'set logging enabled on'. Breakpoint 1, main (argc=0x1, argv=0x3ffffff418) at test.c:7 7 size_t *p = (size_t *) strtol(argv[1], NULL, 16); gdb-peda$ b main Note: breakpoints 1 and 2 also set at pc 0x2aaaaaa6ca. Breakpoint 3 at 0x2aaaaaa6ca: file test.c, line 7. gdb-peda$ p/x 0x2aaaaaa6ca -0x6ca + 0x002028 $1 = 0x2aaaaac028 gdb-peda$ test 0x2aaaaac028 Undefined command: "test". Try "help". gdb-peda$ r 0x2aaaaac028 Starting program: /home/user/akhilesh/test 0x2aaaaac028 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/riscv64-linux-gnu/libthread_db.so.1". Breakpoint 1, main (argc=0x2, argv=0x3ffffff408) at test.c:7 7 size_t *p = (size_t *) strtol(argv[1], NULL, 16); gdb-peda$ shell ps -s UID PID PENDING BLOCKED IGNORED CAUGHT STAT TTY TIME COMMAND 1000 28404 0000000000000000 0000000000010000 0000000000384004 000000004b813efb Ss pts/1 0:02 -bash 1000 28713 0000000000000000 0000000000000000 0000000000000000 0000000000000000 T pts/1 0:01 find / -name libFLAC* 1000 42749 0000000000000000 0000000000000000 0000000001001000 00000001080344e7 Sl+ pts/1 0:03 gdb -q test 1000 42773 0000000000000000 0000000000000000 0000000000000000 0000000000000000 t pts/1 0:00 /home/user/akhilesh/test 0x2aaaaac028 1000 42774 0000000000000000 0000000000000000 0000000000000000 000000007391fef9 R+ pts/1 0:00 ps -s gdb-peda$ shell p peda-session-test.txt peda-session-test_partial.txt philwantsfish-gdb_commands-7b11f55/ philwantsfish-gdb_commands-7b11f55.zip gdb-peda$ shell pmap 42773 42773: /home/user/akhilesh/test 0x2aaaaac028 0000002aaaaaa000 4K r-x-- test 0000002aaaaab000 4K r---- test 0000002aaaaac000 4K rw--- test ====== Showing RW even we used -z,relro, -z, now 0000003ff7e9d000 1160K r-x-- libc.so.6 0000003ff7fbf000 12K r---- libc.so.6 0000003ff7fc2000 8K rw--- libc.so.6 0000003ff7fc4000 52K rw--- [ anon ] 0000003ff7fdd000 8K rw--- [ anon ] 0000003ff7fdf000 4K r---- [ anon ] 0000003ff7fe0000 4K r-x-- [ anon ] 0000003ff7fe1000 112K r-x-- ld-linux-riscv64-lp64d.so.1 0000003ff7ffd000 4K r---- ld-linux-riscv64-lp64d.so.1 0000003ff7ffe000 8K rw--- ld-linux-riscv64-lp64d.so.1 0000003ffffdf000 132K rw--- [ stack ] total 1516K gdb-peda$ maintenance info sections Exec file: `/home/user/akhilesh/test', file type elf64-littleriscv. [0] 0x2aaaaaa270->0x2aaaaaa291 at 0x00000270: .interp ALLOC LOAD READONLY DATA HAS_CONTENTS [1] 0x2aaaaaa294->0x2aaaaaa2b8 at 0x00000294: .note.gnu.build-id ALLOC LOAD READONLY DATA HAS_CONTENTS [2] 0x2aaaaaa2b8->0x2aaaaaa2d8 at 0x000002b8: .note.ABI-tag ALLOC LOAD READONLY DATA HAS_CONTENTS [3] 0x2aaaaaa2d8->0x2aaaaaa2fc at 0x000002d8: .gnu.hash ALLOC LOAD READONLY DATA HAS_CONTENTS [4] 0x2aaaaaa300->0x2aaaaaa3d8 at 0x00000300: .dynsym ALLOC LOAD READONLY DATA HAS_CONTENTS [5] 0x2aaaaaa3d8->0x2aaaaaa45e at 0x000003d8: .dynstr ALLOC LOAD READONLY DATA HAS_CONTENTS [6] 0x2aaaaaa45e->0x2aaaaaa470 at 0x0000045e: .gnu.version ALLOC LOAD READONLY DATA HAS_CONTENTS [7] 0x2aaaaaa470->0x2aaaaaa4a0 at 0x00000470: .gnu.version_r ALLOC LOAD READONLY DATA HAS_CONTENTS [8] 0x2aaaaaa4a0->0x2aaaaaa560 at 0x000004a0: .rela.dyn ALLOC LOAD READONLY DATA HAS_CONTENTS [9] 0x2aaaaaa560->0x2aaaaaa5a8 at 0x00000560: .rela.plt ALLOC LOAD READONLY DATA HAS_CONTENTS [10] 0x2aaaaaa5b0->0x2aaaaaa600 at 0x000005b0: .plt ALLOC LOAD READONLY CODE HAS_CONTENTS [11] 0x2aaaaaa600->0x2aaaaaa70e at 0x00000600: .text ALLOC LOAD READONLY CODE HAS_CONTENTS [12] 0x2aaaaaa710->0x2aaaaaa723 at 0x00000710: .rodata ALLOC LOAD READONLY DATA HAS_CONTENTS [13] 0x2aaaaaa724->0x2aaaaaa738 at 0x00000724: .eh_frame_hdr ALLOC LOAD READONLY DATA HAS_CONTENTS [14] 0x2aaaaaa738->0x2aaaaaa764 at 0x00000738: .eh_frame ALLOC LOAD READONLY DATA HAS_CONTENTS [15] 0x2aaaaabdf8->0x2aaaaabe00 at 0x00000df8: .preinit_array ALLOC LOAD DATA HAS_CONTENTS [16] 0x2aaaaabe00->0x2aaaaabe08 at 0x00000e00: .init_array ALLOC LOAD DATA HAS_CONTENTS [17] 0x2aaaaabe08->0x2aaaaabe10 at 0x00000e08: .fini_array ALLOC LOAD DATA HAS_CONTENTS [18] 0x2aaaaabe10->0x2aaaaac000 at 0x00000e10: .dynamic ALLOC LOAD DATA HAS_CONTENTS [19] 0x2aaaaac000->0x2aaaaac008 at 0x00001000: .data ALLOC LOAD DATA HAS_CONTENTS [20] 0x2aaaaac008->0x2aaaaac058 at 0x00001008: .got ALLOC LOAD DATA HAS_CONTENTS [21] 0x2aaaaac058->0x2aaaaac060 at 0x00001058: .bss ALLOC [22] 0x00000000->0x0000001f at 0x00001058: .comment READONLY HAS_CONTENTS [23] 0x00000000->0x00000053 at 0x00001077: .riscv.attributes READONLY HAS_CONTENTS [24] 0x00000000->0x00000030 at 0x000010ca: .debug_aranges READONLY HAS_CONTENTS [25] 0x00000000->0x0000012d at 0x000010fa: .debug_info READONLY HAS_CONTENTS [26] 0x00000000->0x000000cc at 0x00001227: .debug_abbrev READONLY HAS_CONTENTS [27] 0x00000000->0x00000099 at 0x000012f3: .debug_line READONLY HAS_CONTENTS [28] 0x00000000->0x00000040 at 0x00001390: .debug_frame READONLY HAS_CONTENTS [29] 0x00000000->0x000000c7 at 0x000013d0: .debug_str READONLY HAS_CONTENTS [30] 0x00000000->0x0000006c at 0x00001497: .debug_line_str READONLY HAS_CONTENTS gdb-peda$ -- You are receiving this mail because: You are on the CC list for the bug.
