linux/tools/testing
Victor Nogueira 59afae2008 selftests/tc-testing: Add QFQ/CBS qlen underflow test
Since CBS was not calling reset for its child qdisc, there are scenarios
where it could cause an underflow on its parent's qlen/backlog. When the
parent is QFQ, a null-ptr deref could occur.

Add a test case that reproduces the underflow followed by a null-ptr
deref scenario.

Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-13 17:53:39 -07:00
..
crypto/chacha20-s390
cxl Merge branch 'for-7.1/cxl-region-refactor' into cxl-for-next 2026-04-03 12:30:57 -07:00
fault-injection
ktest ktest: Add logfile to failure directory 2026-04-20 15:23:13 -04:00
kunit linux_kselftest-kunit-7.1-rc1 2026-04-14 17:39:42 -07:00
memblock mm: move free_reserved_area() to mm/memblock.c 2026-04-01 11:19:46 +03:00
nvdimm
radix-tree MAINTAINERS: update Liam's email address 2026-04-27 05:54:25 -07:00
rbtree
scatterlist
selftests selftests/tc-testing: Add QFQ/CBS qlen underflow test 2026-05-13 17:53:39 -07:00
shared tools: Update context analysis macros in compiler_types.h 2026-01-28 09:25:45 +01:00
vma mm/vma: do not try to unmap a VMA if mmap_prepare() invoked from mmap() 2026-04-27 05:54:24 -07:00
vsock vsock/test: add MSG_PEEK after partial recv test 2026-04-16 19:34:22 -07:00