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Peter Anvin" , Kees Cook Cc: linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1761643036; l=1040; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=wVCfXhX9gFOuIM1xQSYX/MuDADsnjta9ksjbCV8j1aI=; b=LhVFRghTmmP714gZhBulmaoihKd0f0VHzMs3eM+Bz2Cmqsv3SkDHbn+Naifonr7vh0qOBz1qm +z67DoHCAyeBU8AmUiQXuyNKzejI1lEP2jTG2CUIC4+3TqOBckzoq7J X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 6676FA0006 X-Stat-Signature: s1kadx64t99aodi67dafr59as5zfj18g X-Rspam-User: X-HE-Tag: 1761643042-212500 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Setting all auxiliary vector values to default values if one of them was not provided by the host will discard perfectly fine values. Move the elf_aux_platform fallback to its own conditional. Signed-off-by: Thomas Weißschuh --- arch/um/os-Linux/elf_aux.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index 0a0f91cf4d6d..a62fe39e85c9 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -62,14 +62,16 @@ __init void scan_elf_aux( char **envp) } } if ( ! __kernel_vsyscall || ! vsyscall_ehdr || - ! elf_aux_hwcap || ! elf_aux_platform || + ! elf_aux_hwcap || ! page_size || (vsyscall_ehdr % page_size) ) { __kernel_vsyscall = 0; vsyscall_ehdr = 0; elf_aux_hwcap = 0; - elf_aux_platform = "i586"; } else { vsyscall_end = vsyscall_ehdr + page_size; } + + if (!elf_aux_platform) + elf_aux_platform = "i586"; } -- 2.51.1.dirty