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58f915a311
nconfig segfaults when help text contains the character '%'. For a quick example, navigate to the kernel compression options and get the help for bzip2. Doing so triggers a call to mvwprintw() with a string containing '%' and no extra arguments to fill in the specifier's value. Fix this case by printing the literal string retrieved from the kconfig. #0 0x00002b52b6b11d83 in vfprintf () from /lib/libc.so.6 #1 0x00002b52b6bad010 in __vsnprintf_chk () from /lib/libc.so.6 #2 0x00002b52b623991b in _nc_printf_string () from /lib/libncursesw.so.5 #3 0x00002b52b6234cff in vwprintw () from /lib/libncursesw.so.5 #4 0x00002b52b6234db9 in mvwprintw () from /lib/libncursesw.so.5 #5 0x00000000004151d8 in fill_window (win=0x21b64c0, text=0x21b62b0 "CONFIG_KERNEL_BZIP2:\n\nIts compression ratio and speed is intermediate.\nDecompression speed is slowest among the three. The kernel\nsize is about 10% smaller with bzip2, in comparison to gzip.\nBzip2 us"...) at scripts/kconfig/nconf.gui.c:229 #6 0x0000000000416335 in show_scroll_win (main_window=0x21a5630, title=0x157fa30 "Bzip2", text=0x21b62b0 "CONFIG_KERNEL_BZIP2:\n\nIts compression ratio and speed is intermediate.\nDecompression speed is slowest among the three. The kernel\nsize is about 10% smaller with bzip2, in comparison to gzip.\nBzip2 us"...) at scripts/kconfig/nconf.gui.c:535 #7 0x00000000004055b2 in show_help (menu=0x157f9d0) at scripts/kconfig/nconf.c:1257 #8 0x0000000000405897 in conf_choice (menu=0x157f130) at scripts/kconfig/nconf.c:1321 #9 0x0000000000405326 in conf (menu=0x157d130) at scripts/kconfig/nconf.c:1208 #10 0x00000000004052e8 in conf (menu=0xb434a0) at scripts/kconfig/nconf.c:1203 #11 0x0000000000406092 in main (ac=2, av=0x7fff96a93c38) Cc: Michal Marek <mmarek@suse.cz> Cc: Nir Tzachar <nir.tzachar@gmail.com> Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz> |
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| .. | ||
| basic | ||
| dtc | ||
| genksyms | ||
| kconfig | ||
| ksymoops | ||
| mod | ||
| package | ||
| rt-tester | ||
| selinux | ||
| tracing | ||
| .gitignore | ||
| bin2c.c | ||
| bloat-o-meter | ||
| bootgraph.pl | ||
| checkincludes.pl | ||
| checkkconfigsymbols.sh | ||
| checkpatch.pl | ||
| checkstack.pl | ||
| checksyscalls.sh | ||
| checkversion.pl | ||
| cleanfile | ||
| cleanpatch | ||
| config | ||
| conmakehash.c | ||
| decodecode | ||
| diffconfig | ||
| export_report.pl | ||
| extract-ikconfig | ||
| gcc-version.sh | ||
| gcc-x86_32-has-stack-protector.sh | ||
| gcc-x86_64-has-stack-protector.sh | ||
| gen_initramfs_list.sh | ||
| get_maintainer.pl | ||
| gfp-translate | ||
| headerdep.pl | ||
| headers_check.pl | ||
| headers_install.pl | ||
| headers.sh | ||
| kallsyms.c | ||
| Kbuild.include | ||
| kernel-doc | ||
| Lindent | ||
| Makefile | ||
| Makefile.build | ||
| Makefile.clean | ||
| Makefile.fwinst | ||
| Makefile.headersinst | ||
| Makefile.host | ||
| Makefile.lib | ||
| Makefile.modbuiltin | ||
| Makefile.modinst | ||
| Makefile.modpost | ||
| makelst | ||
| markup_oops.pl | ||
| mkcompile_h | ||
| mkmakefile | ||
| mksysmap | ||
| mkuboot.sh | ||
| mkversion | ||
| module-common.lds | ||
| namespace.pl | ||
| patch-kernel | ||
| pnmtologo.c | ||
| profile2linkerlist.pl | ||
| recordmcount.pl | ||
| setlocalversion | ||
| show_delta | ||
| tags.sh | ||
| unifdef.c | ||
| ver_linux | ||