- 29 Mar, 2009 3 commits
-
-
Hugh Dickins authored
check_unsafe_exec() also notes whether the fs_struct is being shared by more threads than will get killed by the exec, and if so sets LSM_UNSAFE_SHARE to make bprm_set_creds() careful about euid. But /proc/<pid>/cwd and /proc/<pid>/root lookups make transient use of get_fs_struct(), which also raises that sharing count. This might occasionally cause a setuid program not to change euid, in the same way as happened with files->count (check_unsafe_exec also looks at sighand->count, but /proc doesn't raise that one). We'd prefer exec not to unshare fs_struct: so fix this in procfs, replacing get_fs_struct() by get_fs_path(), which does path_get while still holding task_lock, instead of raising fs->count. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: stable@kernel.org ___ fs/proc/base.c | 50 +++++++++++++++-------------------------------- 1 file changed, 16 insertions(+), 34 deletions(-) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-
Hugh Dickins authored
Joe Malicki reports that setuid sometimes doesn't: very rarely, a setuid root program does not get root euid; and, by the way, they have a health check running lsof every few minutes. Right, check_unsafe_exec() notes whether the files_struct is being shared by more threads than will get killed by the exec, and if so sets LSM_UNSAFE_SHARE to make bprm_set_creds() careful about euid. But /proc/<pid>/fd and /proc/<pid>/fdinfo lookups make transient use of get_files_struct(), which also raises that sharing count. There's a rather simple fix for this: exec's check on files->count has been redundant ever since 2.6.1 made it unshare_files() (except while compat_do_execve() omitted to do so) - just remove that check. [Note to -stable: this patch will not apply before 2.6.29: earlier releases should just remove the files->count line from unsafe_exec().] Reported-by: Joe Malicki <jmalicki@metacarta.com> Narrowed-down-by: Michael Itz <mitz@metacarta.com> Tested-by: Joe Malicki <jmalicki@metacarta.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-
Hugh Dickins authored
2.6.26's commit fd8328be "sanitize handling of shared descriptor tables in failing execve()" moved the unshare_files() from flush_old_exec() and several binfmts to the head of do_execve(); but forgot to make the same change to compat_do_execve(), leaving a CLONE_FILES files_struct shared across exec from a 32-bit process on a 64-bit kernel. It's arguable whether the files_struct really ought to be unshared across exec; but 2.6.1 made that so to stop the loading binary's fd leaking into other threads, and a 32-bit process on a 64-bit kernel ought to behave in the same way as 32 on 32 and 64 on 64. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-
- 28 Mar, 2009 37 commits
-
-
git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds authored
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c-core: Some style cleanups i2c-piix4: Add support for the Broadcom HT1100 chipset i2c-piix4: Add support to SB800 SMBus changes i2c-pca-platform: Use defaults if no platform_data given i2c-algo-pca: Use timeout for checking the state machine i2c-algo-pca: Rework waiting for a free bus i2c-algo-pca: Add PCA9665 support i2c: Adapt debug macros for KERN_* constants i2c-davinci: Fix timeout handling i2c: Adapter timeout is in jiffies i2c: Set a default timeout value for all adapters i2c: Add missing KERN_* constants to printks i2c-algo-pcf: Handle timeout correctly i2c-algo-pcf: Style cleanups eeprom/at24: Remove EXPERIMENTAL i2c-nforce2: Add support for MCP67, MCP73, MCP78S and MCP79 i2c: Clarify which clients are auto-removed i2c: Let checkpatch shout on users of the legacy model i2c: Document the different ways to instantiate i2c devices
-
Linus Torvalds authored
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits) [ARM] 5435/1: fix compile warning in sanity_check_meminfo() [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0 [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins imxfb: Fix TFT mode i.MX21/27: remove ifdef CONFIG_FB_IMX imxfb: add clock support mxc: add arch_reset() function clkdev: add possibility to get a clock based on the device name i.MX1: remove fb support from mach-imx [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined Gemini: Add support for Teltonika RUT100 Gemini: gpiolib based GPIO support v2 MAINTAINERS: add myself as Gemini architecture maintainer ARM: Add Gemini architecture v3 [ARM] OMAP: Fix compile for omap2_init_common_hw() MAINTAINERS: Add myself as Faraday ARM core variant maintainer ARM: Add support for FA526 v2 [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h [ARM] collie: fix two minor formatting nits ...
-
git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-for-30Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-for-30: fastboot: remove duplicate unpack_to_rootfs() ide/net: flip the order of SATA and network init async: remove the temporary (2.6.29) "async is off by default" code Fix up conflicts in init/initramfs.c manually
-
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin arch: be less noisy when gets a gpio conflict after kernel has booted Blackfin arch: add RSI's definitions to bf514 and bf516 Blackfin arch: add link-time asserts to make sure on-chip regions dont overflow Blackfin arch: sport spi needs 6 gpio pins Blackfin arch: add sport-spi related resource stuff to board file Blackfin arch: Blacklist Hibernate (PM_SUSPEND_MEM) on BF561 as well Blackfin arch: Privide BF537-STAMP platform data of ADP5520 Multifunction driver Blackfin arch: enable the platfrom PATA driver with CF Cards Blackfin arch: clean up sports header file Blackfin arch: convert BF5{18,27,48}_FAMILY to CONFIG_BF{51,52,54}x Blackfin arch: bf51x processors also have 8 timers Blackfin arch: add a check to make sure only Blackfin GPIOs may generate IRQs Blackfin arch: update default kernel configuration Blackfin arch: include linux headers that this one uses definitions from fro sport drivers
-
Linus Torvalds authored
Merge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (682 commits) percpu: fix spurious alignment WARN in legacy SMP percpu allocator percpu: generalize embedding first chunk setup helper percpu: more flexibility for @dyn_size of pcpu_setup_first_chunk() percpu: make x86 addr <-> pcpu ptr conversion macros generic linker script: define __per_cpu_load on all SMP capable archs x86: UV: remove uv_flush_tlb_others() WARN_ON percpu: finer grained locking to break deadlock and allow atomic free percpu: move fully free chunk reclamation into a work percpu: move chunk area map extension out of area allocation percpu: replace pcpu_realloc() with pcpu_mem_alloc() and pcpu_mem_free() x86, percpu: setup reserved percpu area for x86_64 percpu, module: implement reserved allocation and use it for module percpu variables percpu: add an indirection ptr for chunk page map access x86: make embedding percpu allocator return excessive free space percpu: use negative for auto for pcpu_setup_first_chunk() arguments percpu: improve first chunk initial area map handling percpu: cosmetic renames in pcpu_setup_first_chunk() percpu: clean up percpu constants x86: un-__init fill_pud/pmd/pte x86: remove vestigial fix_ioremap prototypes ... Manually merge conflicts in arch/ia64/kernel/irq_ia64.c
-
Zhenwen Xu authored
Some lines over 80. The printk(KERN_ERR ... ) should be dev_err. And some blankspace should be deleted. Signed-off-by: Zhenwen Xu <helight.xu@gmail.com> Signed-off-by: Jean Delvare <khlai@linux-fr.org>
-
Flavio Leitner authored
Add support for the Broadcom HT1100 LD chipset (SMBus function.) Signed-off-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Shane Huang authored
Add support for the AMD SB800 Family series of products. Major changes include the changes to addressing the SMBus registers at different location from the locations in the previous compatible parts from AMD such as SB400/SB600/SB700. For SB800, the main features and register definitions of SMBus and other interfaces are still compatible with the previous products with the only change being in how to access the internal registers for these blocks. Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Wolfram Sang authored
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Wolfram Sang authored
We now timeout also if the state machine does not change within the given time. For that, the driver-specific completion-functions are extended to return true or false depending on the timeout. This then gets checked in the algorithm. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Wolfram Sang authored
Waiting for a free bus now accepts the timeout value in jiffies and does proper checking using time_before. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Marco Aurelio da Costa authored
Add support for the PCA9665 I2C controller. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Frank Seidel authored
According to kerneljanitors todo list all printk calls (beginning a new line) should have an according KERN_* constant. Those are the changes to the debug macros in the i2c subsystem to meet this requirement. Also changing no-debug statements to raw printks again. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Wolfram Sang <w.sang@pengutronix.de>
-
Jean Delvare authored
Properly set the adapter timeout value in jiffies, and then use that value in the driver, rather than a hard-coded constant. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Troy Kisky <troy.kisky@boundarydevices.com> Cc: Kevin Hilman <khilman@mvista.com>
-
Jean Delvare authored
i2c_adapter.timeout is in jiffies. Fix all drivers which thought otherwise. It didn't really matter as long as the value was only used inside the driver, but soon i2c-core will use it too so it must have the proper unit. Note: for the i2c-mpc driver, this fixes a bug in polling mode. Timeout would trigger after 1 jiffy, which is most probably not what the author wanted. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Clifford Wolf <clifford@clifford.at> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Cc: Stefan Roese <sr@denx.de> Acked-by: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Grant Likely <grant.likely@secretlab.ca> Acked-by: Mark A. Greer <mgreer@mvista.com>
-
Jean Delvare authored
Setting a default timeout value on a per-algo basis doesn't make any sense. Move the default value setting to i2c-core. Individual adapter drivers can specify a different (non-zero) value if they wish. Also express the timeout value in a way which results in the same duration regarless of the value of HZ. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
-
Frank Seidel authored
According to kerneljanitors todo list all printk calls (beginning a new line) should have an according KERN_* constant. Those are the missing pieces here for the i2c subsystem. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Roel Kluin authored
With a postfix decrement these timeouts reach -1 rather than 0, but after the loop it is tested whether they have become 0. As pointed out by Jean Delvare, the msg_num should be tested before the timeout. With the current order, you could exit with a timeout error while all the messages were successfully transferred. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Eric Brower <ebrower@gmail.com>
-
Roel Kluin authored
cleanup whitespace, fix comments and remove the unused STUB_I2C. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Eric Brower <ebrower@gmail.com>
-
Wolfram Sang authored
This driver has been widely used since inclusion and no problems have been reported. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Jean Delvare authored
The MCP78S and MCP79 appear to be compatible with the previous nForce chips as far as the SMBus controller is concerned. The MCP67 and MCP73 were not tested yet but I'd be very surprised if they weren't compatible too. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Oleg Ryjkov <olegr@olegr.ca> Cc: Malcolm Lalkaka <mlalkaka@gmail.com> Cc: Zbigniew Luszpinski <zbiggy@o2.pl>
-
Jean Delvare authored
The automatic removal of i2c clients only affects the clients which were created automatically in the first place. Add a comment saying that to avoid any confusion. Signed-off-by: Jean Delvare <khali@linux-fr.org>
-
Jean Delvare authored
As suggested by Mauro Carvalho Chehab. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
-
Jean Delvare authored
On popular demand, here comes some documentation about how to instantiate i2c devices in the new (standard) i2c device driver binding model. I have also clarified how the class bitfield lets driver authors control which buses are probed in the auto-detect case, and warned more loudly against the abuse of this method. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Michael Lawnick <nospam_lawnick@gmx.de> Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
-
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix kstat_this_cpu build breakage
-
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (119 commits) [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition [SCSI] mpt2sas: make global symbols unique [SCSI] sd: Make revalidate less chatty [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devices [SCSI] sd: Refactor sd_read_capacity() [SCSI] mpt2sas v00.100.11.15 [SCSI] mpt2sas: add MPT2SAS_MINOR(221) to miscdevice.h [SCSI] ch: Add scsi type modalias [SCSI] 3w-9xxx: add power management support [SCSI] bsg: add linux/types.h include to bsg.h [SCSI] cxgb3i: fix function descriptions [SCSI] libiscsi: fix possbile null ptr session command cleanup [SCSI] iscsi class: remove host no argument from session creation callout [SCSI] libiscsi: pass session failure a session struct [SCSI] iscsi lib: remove qdepth param from iscsi host allocation [SCSI] iscsi lib: have lib create work queue for transmitting IO [SCSI] iscsi class: fix lock dep warning on logout [SCSI] libiscsi: don't cap queue depth in iscsi modules [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn logging [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn logging ...
-
Russell King authored
Conflicts: arch/arm/include/asm/elf.h arch/arm/kernel/module.c
-
Russell King authored
Conflicts: sound/soc/pxa/pxa2xx-i2s.c
-
Mikael Pettersson authored
Compiling recent 2.6.29-rc kernels for ARM gives me the following warning: arch/arm/mm/mmu.c: In function 'sanity_check_meminfo': arch/arm/mm/mmu.c:697: warning: comparison between pointer and integer This is because commit 3fd9825c "[ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo()" in 2.6.29-rc5-git4 added a comparison of a pointer with PAGE_OFFSET, which is an integer. Fixed by casting PAGE_OFFSET to void *. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Acked-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-
Li, Shaohua authored
we check if initrd is initramfs first and then do the real unpack. The check isn't required, we can directly do unpack. If the initrd isn't an initramfs, we can remove the garbage. In my laptop, this saves 0.1s boot time. This patch penalizes non-initramfs initrd case, but nowadays, initramfs is the most widely used method for initrds. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Acked-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-
Arjan van de Ven authored
this patch flips the order in which sata and network drivers are initialized. SATA probing takes quite a bit of time, and with the asynchronous infrastructure other drivers that run after it can execute in parallel. Network drivers do tend to take some real time talking to the hardware, so running these later is a good thing (the sata probe then runs concurrent) This saves about 15% of my kernels boot time. Both Dave and Jeff acked this patch and suggested it should go via the async tree. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Jeff Garzik <jeff@garzik.org>
-
Arjan van de Ven authored
Now that everyone has been able to test the async code (and it's being used in the Moblin betas by default), we can enable it by default. The various fixes needed have gone into 2.6.29 already. [With an important bugfix from Stefan Richter] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
-
Tony Lindgren authored
OMAP34XX_MAILBOX_BASE must be defined both for 24xx and 34xx. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-
Robin Getz authored
Once the kernel has booted - be less noisy when someone does a modprobe (and gets a gpio conflict). Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-
Cliff Cai authored
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-
Mike Frysinger authored
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-
Cliff Cai authored
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-