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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-10 21:31:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-10 21:31:58 -0700 |
| commit | c8d6637d0497d62093dbba0694c7b3a80b79bfe1 (patch) | |
| tree | 4ef432511fa6fa959429e1fc961fb186f1745e54 /kernel/module.c | |
| parent | 801a71a858631109a64bf30b1c480b0a18386605 (diff) | |
| parent | 76215b04fd297c008b91ece732ed36e67e0181fa (diff) | |
| download | lwn-c8d6637d0497d62093dbba0694c7b3a80b79bfe1.tar.gz lwn-c8d6637d0497d62093dbba0694c7b3a80b79bfe1.zip | |
Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module updates from Rusty Russell:
"This finally applies the stricter sysfs perms checking we pulled out
before last merge window. A few stragglers are fixed (thanks
linux-next!)"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
arch/powerpc/platforms/powernv/opal-dump.c: fix world-writable sysfs files
arch/powerpc/platforms/powernv/opal-elog.c: fix world-writable sysfs files
drivers/video/fbdev/s3c2410fb.c: don't make debug world-writable.
ARM: avoid ARM binutils leaking ELF local symbols
scripts: modpost: Remove numeric suffix pattern matching
scripts: modpost: fix compilation warning
sysfs: disallow world-writable files.
module: return bool from within_module*()
module: add within_module() function
modules: Fix build error in moduleloader.h
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/kernel/module.c b/kernel/module.c index ae79ce615cb9..6f69463f0066 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3381,6 +3381,8 @@ static inline int within(unsigned long addr, void *start, unsigned long size) */ static inline int is_arm_mapping_symbol(const char *str) { + if (str[0] == '.' && str[1] == 'L') + return true; return str[0] == '$' && strchr("atd", str[1]) && (str[2] == '\0' || str[2] == '.'); } @@ -3444,8 +3446,7 @@ const char *module_address_lookup(unsigned long addr, list_for_each_entry_rcu(mod, &modules, list) { if (mod->state == MODULE_STATE_UNFORMED) continue; - if (within_module_init(addr, mod) || - within_module_core(addr, mod)) { + if (within_module(addr, mod)) { if (modname) *modname = mod->name; ret = get_ksymbol(mod, addr, size, offset); @@ -3469,8 +3470,7 @@ int lookup_module_symbol_name(unsigned long addr, char *symname) list_for_each_entry_rcu(mod, &modules, list) { if (mod->state == MODULE_STATE_UNFORMED) continue; - if (within_module_init(addr, mod) || - within_module_core(addr, mod)) { + if (within_module(addr, mod)) { const char *sym; sym = get_ksymbol(mod, addr, NULL, NULL); @@ -3495,8 +3495,7 @@ int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, list_for_each_entry_rcu(mod, &modules, list) { if (mod->state == MODULE_STATE_UNFORMED) continue; - if (within_module_init(addr, mod) || - within_module_core(addr, mod)) { + if (within_module(addr, mod)) { const char *sym; sym = get_ksymbol(mod, addr, size, offset); @@ -3760,8 +3759,7 @@ struct module *__module_address(unsigned long addr) list_for_each_entry_rcu(mod, &modules, list) { if (mod->state == MODULE_STATE_UNFORMED) continue; - if (within_module_core(addr, mod) - || within_module_init(addr, mod)) + if (within_module(addr, mod)) return mod; } return NULL; |