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Kristina Martsenko d7d99f1a0a lkdtm: cfi: Make PAC test work with GCC 7 and 8 
[ Upstream commit f68022ae0a ]

The CFI test uses the branch-protection=none compiler attribute to
disable PAC return address protection on a function. While newer GCC
versions support this attribute, older versions (GCC 7 and 8) instead
supported the sign-return-address=none attribute, leading to a build
failure when the test is built with older compilers. Fix it by checking
which attribute is supported and using the correct one.

Fixes: 2e53b877dc ("lkdtm: Add CFI_BACKWARD to test ROP mitigations")
Reported-by: Daniel Díaz <daniel.diaz@linaro.org>
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/all/CAEUSe78kDPxQmQqCWW-_9LCgJDFhAeMoVBFnX9QLx18Z4uT4VQ@mail.gmail.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:33:07 +01:00
..
altera-stapl
misc: move from strlcpy with unused retval to strscpy
2022-09-01 16:29:42 +02:00
bcm-vk
misc: bcm_vk: Remove usage of deprecated functions
2022-09-01 16:29:32 +02:00
c2port
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cardreader
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cb710
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cxl
cxl: Fix refcount leak in cxl_calc_capp_routing
2022-12-31 13:32:50 +01:00
echo
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eeprom
Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-10-08 08:56:37 -07:00
genwqe
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habanalabs
habanalabs: fix return value check in hl_fw_get_sec_attest_data()
2022-12-31 13:32:40 +01:00
ibmasm
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lis3lv02d
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
lkdtm
lkdtm: cfi: Make PAC test work with GCC 7 and 8
2022-12-31 13:33:07 +01:00
mchp_pci1xxxx
misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe()
2022-09-22 16:54:35 +02:00
mei
Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-10-08 08:56:37 -07:00
ocxl
ocxl: fix pci device refcount leak when calling get_function_0()
2022-12-31 13:32:40 +01:00
pvpanic
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sgi-gru
misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os
2022-12-31 13:32:40 +01:00
sgi-xp
drivers/misc/sgi-xp: Remove orphan declarations from drivers/misc/sgi-xp/xp.h
2022-09-24 14:57:19 +02:00
ti-st
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uacce
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vmw_vmci
misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()
2022-11-09 15:40:03 +01:00
ad525x_dpot-i2c.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
ad525x_dpot-spi.c
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ad525x_dpot.c
…
ad525x_dpot.h
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apds990x.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
apds9802als.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
atmel-ssc.c
misc: update maintainer email address and description for atmel-ssc
2022-08-03 11:03:03 +02:00
bh1770glc.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
cs5535-mfgpt.c
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ds1682.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
dummy-irq.c
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dw-xdata-pcie.c
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enclosure.c
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fastrpc.c
Merge 6.0-rc4 into char-misc-next
2022-09-05 07:53:56 +02:00
gehc-achc.c
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hi6421v600-irq.c
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hisi_hikey_usb.c
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hmc6352.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
hpilo.c
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hpilo.h
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ibmvmc.c
ibmvmc: don't open-code file_inode()
2022-09-01 17:42:27 -04:00
ibmvmc.h
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ics932s401.c
Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-10-08 08:56:37 -07:00
isl29003.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
isl29020.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
Kconfig
misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.
2022-09-02 14:49:05 +02:00
kgdbts.c
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lattice-ecp3-config.c
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Makefile
misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.
2022-09-02 14:49:05 +02:00
open-dice.c
…
pch_phub.c
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pci_endpoint_test.c
misc: pci_endpoint_test: Fix pci_endpoint_test_{copy,write,read}() panic
2022-09-09 10:24:12 +02:00
phantom.c
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qcom-coincell.c
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sram-exec.c
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sram.c
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sram.h
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tifm_7xx1.c
misc: tifm: fix possible memory leak in tifm_7xx1_switch_media()
2022-12-31 13:32:40 +01:00
tifm_core.c
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tsl2550.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
vcpu_stall_detector.c
misc: Add a mechanism to detect stalls on guest vCPUs
2022-07-14 16:54:17 +02:00
vmw_balloon.c
Merge tag 'mm-stable-2022-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-08-05 16:32:45 -07:00
xilinx_sdfec.c
misc/xilinx_sdfec: Replace kmap() with kmap_local_page()
2022-09-09 10:22:36 +02:00