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c652df8a4a
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Ryan Roberts c652df8a4a selftests: link libasan statically for tests with -fsanitize=address 
When dynamically linking, Address Sanitizer requires its library to be the
first one to be loaded; this is apparently to ensure that every call to
malloc is intercepted.  If using LD_PRELOAD, those listed libraries will
be loaded before the libraries listed in the program's ELF and will
therefore violate this requirement, leading to the below failure and
output from ASan.

commit 58e2847ad2 ("selftests: line buffer test program's stdout")
modified the kselftest runner to force line buffering by forcing the test
programs to run through `stdbuf`.  It turns out that stdbuf implements
line buffering by injecting a library via LD_PRELOAD.  Therefore selftests
that use ASan started failing.

Fix this by statically linking libasan in the affected test programs,
using the `-static-libasan` option.  Note this is already the default for
Clang, but not got GCC.

Test output sample for failing case:

  TAP version 13
  1..3
  # timeout set to 300
  # selftests: openat2: openat2_test
  # ==4052==ASan runtime does not come first in initial library list;
  you should either link runtime to your application or manually preload
  it with LD_PRELOAD.
  not ok 1 selftests: openat2: openat2_test # exit=1
  # timeout set to 300
  # selftests: openat2: resolve_test
  # ==4070==ASan runtime does not come first in initial library list;
  you should either link runtime to your application or manually preload
  it with LD_PRELOAD.
  not ok 2 selftests: openat2: resolve_test # exit=1

Link: https://lkml.kernel.org/r/20230912135048.1755771-1-ryan.roberts@arm.com
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Fixes: 58e2847ad2 ("selftests: line buffer test program's stdout")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202309121342.97e2f008-oliver.sang@intel.com
Cc: David Hildenbrand <david@redhat.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tom Rix <trix@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-09-19 13:21:32 -07:00
..
accounting
arch ARM: 2023-09-07 13:52:20 -07:00
bootconfig
bpf bpftool: Fix build warnings with -Wtype-limits 2023-08-30 08:39:00 +02:00
build perf tools changes for v6.6: 2023-09-09 20:06:17 -07:00
certs
cgroup iocost_monitor: improve it by adding iocg wait_ms 2023-08-08 15:43:03 -06:00
counter
crypto/ccp
debugging
edid
firewire
firmware
gpio
hv
iio tools: iio: iio_generic_buffer: Fix some integer type and calculation 2023-07-29 15:59:20 +01:00
include Networking changes for 6.6. 2023-08-29 11:33:01 -07:00
kvm/kvm_stat
laptop
leds
lib perf tools changes for v6.6: 2023-09-09 20:06:17 -07:00
memory-model
mm tools/mm: fix undefined reference to pthread_once 2023-09-05 10:13:45 -07:00
net/ynl tools/net/ynl: Add support for create flags 2023-08-27 17:17:10 -07:00
objtool objtool: Fix _THIS_IP_ detection for cold functions 2023-09-12 08:16:54 +02:00
pci
pcmcia
perf perf tools changes for v6.6: 2023-09-09 20:06:17 -07:00
power More power management updates for 6.6-rc1 2023-09-04 15:21:55 -07:00
rcu
scripts tools build: Add 3-component logical version comparators 2023-08-03 16:59:40 -03:00
spi
testing selftests: link libasan statically for tests with -fsanitize=address 2023-09-19 13:21:32 -07:00
thermal
time
tracing
usb
verification
virtio
wmi
workqueue workqueue: Implement non-strict affinity scope for unbound workqueues 2023-08-07 15:57:25 -10:00
Makefile