patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Nov 04 19:22:29 2011 +0100 (2011-11-04)
changeset 2735 f09ed6dd71a3
parent 747 d3e603e7c17c
permissions -rw-r--r--
kernel/linux: fix packed attribute in exported headers

UBI headers (and maybe others as well) are broken because the 'packed'
attribute is not sanitised when the headers are exported to userspace.

Apply the fix from upstream:
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=f210735fe2f17a6225432ee3d1239bcf23a8659c

(Also, buildroot does the same, BTW)

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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Original patch from gentoo: ../../dev/crosstool-NG/ct-ng.trunk/patches/strace/4.5.17/120-fix-arm-bad-syscall.patch
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-= BEGIN original header =-
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diff -dur strace-4.5.16.orig/syscall.c strace-4.5.16/syscall.c
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-= END original header =-
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diff -durN strace-4.5.17.orig/syscall.c strace-4.5.17/syscall.c
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--- strace-4.5.17.orig/syscall.c	2008-05-28 01:18:29.000000000 +0200
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+++ strace-4.5.17/syscall.c	2008-10-24 21:30:13.000000000 +0200
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@@ -1016,6 +1016,15 @@
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 		/*
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 		 * Note: we only deal with only 32-bit CPUs here.
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 		 */
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+
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+		if (!(tcp->flags & TCB_INSYSCALL) &&
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+		    (tcp->flags & TCB_WAITEXECVE)) {
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+			/* caught a fake syscall from the execve's exit */
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+			tcp->flags &= ~TCB_WAITEXECVE;
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+			return 0;
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+		}
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+
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+
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 		if (regs.ARM_cpsr & 0x20) {
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 			/*
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 			 * Get the Thumb-mode system call number