The patch titled Subject: binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix has been added to the -mm tree. Its filename is binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix tweak code comment Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Alan Cox <alan@xxxxxxxxxxxxxxx> Cc: Andreas Dilger <aedilger@xxxxxxxxx> Cc: Arnd Bergmann <arnn@xxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Jakub Jelinek <jakub@xxxxxxxxxx> Cc: James Morris <james.l.morris@xxxxxxxxxx> Cc: Jeff Liu <jeff.liu@xxxxxxxxxx> Cc: Jie Liu <jeff.liu@xxxxxxxxxx> Cc: John Sobecki <john.sobecki@xxxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Ted Ts'o <tytso@xxxxxxx> Cc: Ulrich Drepper <drepper@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/binfmt_elf.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff -puN fs/binfmt_elf.c~binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix fs/binfmt_elf.c --- a/fs/binfmt_elf.c~binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix +++ a/fs/binfmt_elf.c @@ -560,10 +560,8 @@ static unsigned long randomize_stack_top } /* - * A wrapper of get_random_int() to generate random bytes which has lower - * overhead than call get_random_bytes() directly. - * create_elf_tables() call this function to generate 16 random bytes for - * userspace PRNG seeding. + * Use get_random_int() to implement AT_RANDOM while avoiding depletion of + * the entropy pool. */ static void randomize_stack_user(unsigned char *buf, size_t nbytes) { _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are revert-tools-testing-selftests-epoll-test_epollc-fix-build.patch revert-epoll-support-for-disabling-items-and-a-self-test-app.patch linux-next.patch i-need-old-gcc.patch arch-alpha-kernel-systblss-remove-debug-check.patch cpu_hotplug-unmap-cpu2node-when-the-cpu-is-hotremoved-fix.patch arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch arch-x86-tools-insn_sanityc-identify-source-of-messages.patch mm.patch mm-introduce-mm_find_pmd-fix.patch memory-hotplug-update-mce_bad_pages-when-removing-the-memory-fix.patch slub-hotplug-ignore-unrelated-nodes-hot-adding-and-hot-removing.patch mmvmscan-only-evict-file-pages-when-we-have-plenty-fix.patch slub-slub-specific-propagation-changes-fix.patch dmapool-make-dmapool_debug-detect-corruption-of-free-marker-fix.patch mm-support-more-pagesizes-for-map_hugetlb-shm_hugetlb-v7-fix.patch mm-support-more-pagesizes-for-map_hugetlb-shm_hugetlb-v7-fix-fix.patch mm-check-rb_subtree_gap-correctness-fix.patch mm-rearrange-vm_area_struct-for-fewer-cache-misses-checkpatch-fixes.patch mm-vm_unmapped_area-lookup-function-checkpatch-fixes.patch mm-use-vm_unmapped_area-on-mips-architecture-fix.patch mm-use-vm_unmapped_area-on-arm-architecture-fix.patch mm-use-vm_unmapped_area-on-sh-architecture-fix.patch mm-use-vm_unmapped_area-on-sparc64-architecture-fix.patch drop_caches-add-some-documentation-and-info-messsge-checkpatch-fixes.patch swap-add-a-simple-detector-for-inappropriate-swapin-readahead-fix.patch scripts-pnmtologo-fix-for-plain-pbm-checkpatch-fixes.patch drivers-video-backlight-lp855x_blc-use-generic-pwm-functions-fix.patch drivers-firmware-dmi_scanc-check-dmi-version-when-get-system-uuid-fix.patch drivers-firmware-dmi_scanc-fetch-dmi-version-from-smbios-if-it-exists-checkpatch-fixes.patch binfmt_elf-fix-corner-case-kfree-of-uninitialized-data-checkpatch-fixes.patch hfsplus-add-support-of-manipulation-by-attributes-file-checkpatch-fixes.patch procfs-add-vmflags-field-in-smaps-output-v4.patch procfs-add-vmflags-field-in-smaps-output-v4-fix.patch ipc-add-sysctl-to-specify-desired-next-object-id-checkpatch-fixes.patch ipc-message-queue-receive-cleanup-checkpatch-fixes.patch binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix.patch dma-debug-new-interfaces-to-debug-dma-mapping-errors-fix-fix.patch journal_add_journal_head-debug.patch kernel-forkc-export-kernel_thread-to-modules.patch mutex-subsystem-synchro-test-module-fix.patch slab-leaks3-default-y.patch put_bh-debug.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html