- 11 Jan, 2005 40 commits
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Marcelo Tosatti authored
With Solar Designer <solar@openwall.com> The following patch changes the following on ELF parsing/loading code (fs/binfmt_elf): - Stronger validity checks on ELF files: treat e_phnum (program header count) < 1 as invalid treat p_filesz (file size) < 2 invalid on program header interp. case - Saner return error codes - Make sure SIGKILL is delivered on error handling Signed-off-by:Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Rusty Russell authored
Radheka Godse <radheka.godse@intel.com> pointed out that parameter parsing failures allow a module still to be loaded. Trivial fix. Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Prasanna Meda authored
This change still keeps the comm length at 16, but allows easier patching for local modifications, and also introduces a macro to use instead of magic 16, where sizeof(comm) is not preferable to use. Not able to use killall, pidof etc. effectively, when long process names are used for scripts. Just changing the command length from 16 to 32 breaks a.out coredump logic. Deamonise and get_task_comm helped in other places in 2.6.10. Signed-off-by:
Prasanna Meda <pmeda@akamai.com> Signed-off-by:
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Peter Martuccelli authored
A couple of one liners to resolve two issues that have come up regarding audit. Roger reported a problem with audit.c:audit_receive_skb which improperly negates the errno argument when netlink_ack is called. The second issue was reported by Steve on the linux-audit list, auditsc.s:audit_log_exit using %u instead of %d in the audit_log_format call. Please note, there is a mailing list available for audit discussion at https://www.redhat.com/archives/linux-audit/Signed-off-by:
Peter Martuccelli <peterm@redhat.com> Signed-off-by:
Steve Grubb <sgrubb@redhat.com> Signed-off-by:
Roger Luethi <rl@hellgate.ch> Signed-off-by:
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Akinobu Mita authored
*** Warning: "crypto_free_tfm" [security/seclvl.ko] undefined! *** Warning: "crypto_alloc_tfm" [security/seclvl.ko] undefined! *** Warning: "crypto_unregister_alg" [crypto/sha1.ko] undefined! *** Warning: "crypto_register_alg" [crypto/sha1.ko] undefined! Signed-off-by:
Akinobu Mita <amgta@yacht.ocn.ne.jp> Signed-off-by:
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Jeff Dike authored
An eliminated warning from Chris Wright. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Jeff Dike authored
From: Chris Wright - define CONFIG_INPUT to shut up a config warning. Signed-off-by:
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Jeff Dike authored
From: Chris Wright - make clean gets rid of more stuff Signed-off-by:
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Jeff Dike authored
From: Chris Wright - Fix the syntax of the sys_call_table initializers. Signed-off-by:
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Jeff Dike authored
Lots of sparse annotations from Chris Wright. Signed-off-by:
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Jeff Dike authored
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Jeff Dike authored
x86_64 only delivers signals in the SA_INFO style, whether you ask for it or not. This patch adds a config option which says whether the arch is SA_INFO-only or not, and ifdefs out the sigcontext signal delivery if so. Signed-off-by:
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Jeff Dike authored
This shuts up some messages about ioctls being called when they are handled by the line discipline. Signed-off-by:
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Jeff Dike authored
This makes a bunch of 64-bit cleanups exposed by x86_64. Signed-off-by:
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Jeff Dike authored
Add the new 2.6.10 syscalls. Signed-off-by:
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Jeff Dike authored
Add some of the 2.6.10 ptrace updates. Signed-off-by:
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Jeff Dike authored
Use for_each_cpu rather than iterating over processors by hand. Signed-off-by:
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Jeff Dike authored
Some small cleanups that resulted from the x86_64 merge: Some unneeded includes were removed Some overlong lines were shortened current_thread_info was replaced by a generic version. Some warnings were fixed Signed-off-by:
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Bodo Stroesser authored
In arch/um/kernel/skas/uaccess.c, the simple assignment va_list args = *((va_list *) arg_ptr); is used in do_buffer_op() to obtain a copy of a va_list, that was delivered as a pointer only. But this construction doesn't compile on s390. Instead, va_copy() and va_end() should be used (see "man va_start"). Signed-off-by:
Bodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by:
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Bodo Stroesser authored
Some architectures (e.g. s390) don't have __NR_waitpid. Thus, it must not be used in arch/um/kernel/tt/ptproxy/proxy.c Signed-off-by:
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Jeff Dike authored
Define addresses at which UML will link and make them settable by the arch. Signed-off-by:
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Jeff Dike authored
Add a bunch of headers to include/asm-um to support x86_64. Also move some arch-specific things from generic files to x86-specific ones. Signed-off-by:
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Jeff Dike authored
Move the i386 __delay to sys-i386 and add an implementation for x86_64. Also get rid of the definition of um_udelay_t. Signed-off-by:
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Jeff Dike authored
This patch makes UML produce error messages instead of silently exiting when one of several configuration mistakes are made. FD_CHAN is now mandatory so that people don't turn it off and complain about no boot messages. Some printks were turned into printfs in the tt mode gdb code so that they appear on the screen. Signed-off-by:
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Jeff Dike authored
This patch moves most of the signal handlers to os-Linux, adds an arch-specific mechanism to get the address of the sigcontext structure, and implements it for i386 and x86_64. Signed-off-by:
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Jeff Dike authored
This adds the x86_64 ptrace support. It also cleans up the existing code somewhat, eliminating a couple of simple header files, and generalizing the mk_ptregs buils to accomodate multiple architectures. Signed-off-by:
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Jeff Dike authored
This moves the register shuffling code into arch/um/os-Linux/sys-$(SUBARCH), making it purely userspace code. It also adds an x86_64 implementation of registers.c. Signed-off-by:
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Jeff Dike authored
This adds architecture-specific Kconfig support, plus Kconfig_i386 and Kconfig_x86_64. Currently the only option defined there is CONFIG_64_BIT. Signed-off-by:
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Jeff Dike authored
This adds the new files from the x86_64 port which just drop in and don't require any work anywhere else. Signed-off-by:
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Jeff Dike authored
This is the three-level page table support from the x86_64 patch. It can be enabled on x86, although it's not particularly needed at this point. However, it can be used to implement very large physical memory (with almost all of it in highmem) on UML. Signed-off-by:
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Jeff Dike authored
This factors out a bunch of non-generic system calls into i386-specific code. It also adds the x86_64-specific system calls. A couple of generic system calls handlers are declared in sysdep-i386 because x86 has no declarations for them, but x86_64 has incompatible ones. Also splits out syscalls on behalf on UML/S390 from Bodo Stroesser Signed-off-by:
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Jeff Dike authored
Finish using va_list correctly, by calling va_end. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@yahoo.it> Signed-off-by:
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Jeff Dike authored
This adds pud_t support to UML. Signed-off-by:
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Zwane Mwaikambo authored
x86_64 uses a userspace mce utility to decode MCEs, this patch will ensure that the user is notified of MCE events being logged too. Signed-off-by:
Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by:
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Andi Kleen authored
Disable conforming bit on USER32_CS segment No difference, but it's more consistent. Pointed out by Petr Vandrovec and some VMWare people Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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Andi Kleen authored
Found by Bodo Stroesser. Description from Bodo: >> On i386, if a signal handler is started, the kernel saves the fpu-state of the interrupted routine in the sigcontext on the stack. Calling unlazy_fpu() and setting current->used_math=0, the kernel supplies the signal-handler with a cleared virtual fpu. On sigreturn(), the old fpu-state of the interrupted routine is restored. If a process never used the fpu, it virtually has a cleared fpu. If such a process is interrupted by a signal handler, no fpu-context is saved and sigcontext->fpstate is set to NULL. Assume, that the signal handler uses the fpu. Then, AFAICS, on sigreturn current->used_math will be 1. Since sigcontext->fpstate still is NULL, restore_sigcontext() doesn't call restore_i387(). Thus, no clear_fpu() is done, current->used_math is not reset. Now, the interrupted processes fpu no longer is cleared! << Fix by AK. Just clear the FPU again when this happens. patch for i386 and x86-64. Signed-off-by:
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Andi Kleen authored
Fix a lot of broken white space in arch/x86_64/kernel/setup.c Only touches white space, no functional changes. Signed-off-by:
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Andi Kleen authored
Pointed out by Matthew Wilcox. Signed-off-by:
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Andi Kleen authored
From: Matt Tolentino Some cleanup work in early page table init preparing for memory hotplug. Hacked up by AK Signed-off-by:
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Andi Kleen authored
Merged from i386 Signed-off-by:
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