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authorPavel Emelyanov <xemul@openvz.org>2008-08-20 14:09:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-20 15:40:31 -0700
commitff9bc512f198eb47204f55b24c6fe3d36ed89592 (patch)
treee55d1639a5a3f8c0ef1827fae4ff8529d4ffef04 /drivers/rtc
parentc82f2966015a2c9708fb8f20694ef7ba8567d2e1 (diff)
binfmt_misc: fix false -ENOEXEC when coupled with other binary handlers
In case the binfmt_misc binary handler is registered *before* the e.g. script one (when for example being compiled as a module) the following situation may occur: 1. user launches a script, whose interpreter is a misc binary; 2. the load_misc_binary sets the misc_bang and returns -ENOEVEC, since the binary is a script; 3. the load_script_binary loads one and calls for search_binary_hander to run the interpreter; 4. the load_misc_binary is called again, but refuses to load the binary due to misc_bang bit set. The fix is to move the misc_bang setting lower - prior to the actual call to the search_binary_handler. Caused by the commit 3a2e7f47 (binfmt_misc.c: avoid potential kernel stack overflow) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Reported-by: Kirill A. Shutemov <kirill@shutemov.name> Tested-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: <stable@kernel.org> [2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
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