mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-08-27 23:25:13 -04:00
363b15d855
Add a verifier test that a load-acquire fetching into its own source register (dst_reg == src_reg) from a ctx pointer is rejected. # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t verifier_load_acquire [...] #614/1 verifier_load_acquire/load-acquire, 8-bit:OK #614/2 verifier_load_acquire/load-acquire, 8-bit @unpriv:OK #614/3 verifier_load_acquire/load-acquire, 16-bit:OK #614/4 verifier_load_acquire/load-acquire, 16-bit @unpriv:OK #614/5 verifier_load_acquire/load-acquire, 32-bit:OK #614/6 verifier_load_acquire/load-acquire, 32-bit @unpriv:OK #614/7 verifier_load_acquire/load-acquire, 64-bit:OK #614/8 verifier_load_acquire/load-acquire, 64-bit @unpriv:OK #614/9 verifier_load_acquire/load-acquire with uninitialized src_reg:OK #614/10 verifier_load_acquire/load-acquire with uninitialized src_reg @unpriv:OK #614/11 verifier_load_acquire/load-acquire with non-pointer src_reg:OK #614/12 verifier_load_acquire/load-acquire with non-pointer src_reg @unpriv:OK #614/13 verifier_load_acquire/misaligned load-acquire:OK #614/14 verifier_load_acquire/misaligned load-acquire @unpriv:OK #614/15 verifier_load_acquire/load-acquire from ctx pointer:OK #614/16 verifier_load_acquire/load-acquire from ctx pointer @unpriv:OK #614/17 verifier_load_acquire/load-acquire from ctx pointer, same dst and src register:OK #614/18 verifier_load_acquire/load-acquire from ctx pointer, same dst and src register @unpriv:OK #614/19 verifier_load_acquire/load-acquire with invalid register R15:OK #614/20 verifier_load_acquire/load-acquire with invalid register R15 @unpriv:OK #614/21 verifier_load_acquire/load-acquire from pkt pointer:OK #614/22 verifier_load_acquire/load-acquire from flow_keys pointer:OK #614/23 verifier_load_acquire/load-acquire from sock pointer:OK #614 verifier_load_acquire:OK Summary: 1/23 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/bpf/20260804201917.253491-2-daniel@iogearbox.net Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>