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-rw-r--r--tools/testing/selftests/bpf/progs/verifier_sdiv.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_sdiv.c b/tools/testing/selftests/bpf/progs/verifier_sdiv.c
index 148d2299e5b4..fd59d57e8e37 100644
--- a/tools/testing/selftests/bpf/progs/verifier_sdiv.c
+++ b/tools/testing/selftests/bpf/progs/verifier_sdiv.c
@@ -1209,6 +1209,64 @@ __naked void smod32_ri_divisor_neg_1(void)
: __clobber_all);
}
+SEC("socket")
+__description("SDIV32, INT_MIN divided by 2, imm")
+__success __success_unpriv __retval(-1073741824)
+__naked void sdiv32_int_min_div_2_imm(void)
+{
+ asm volatile (" \
+ w0 = %[int_min]; \
+ w0 s/= 2; \
+ exit; \
+" :
+ : __imm_const(int_min, INT_MIN)
+ : __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, INT_MIN divided by 2, reg")
+__success __success_unpriv __retval(-1073741824)
+__naked void sdiv32_int_min_div_2_reg(void)
+{
+ asm volatile (" \
+ w0 = %[int_min]; \
+ w1 = 2; \
+ w0 s/= w1; \
+ exit; \
+" :
+ : __imm_const(int_min, INT_MIN)
+ : __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, INT_MIN modulo 2, imm")
+__success __success_unpriv __retval(0)
+__naked void smod32_int_min_mod_2_imm(void)
+{
+ asm volatile (" \
+ w0 = %[int_min]; \
+ w0 s%%= 2; \
+ exit; \
+" :
+ : __imm_const(int_min, INT_MIN)
+ : __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, INT_MIN modulo -2, imm")
+__success __success_unpriv __retval(0)
+__naked void smod32_int_min_mod_neg2_imm(void)
+{
+ asm volatile (" \
+ w0 = %[int_min]; \
+ w0 s%%= -2; \
+ exit; \
+" :
+ : __imm_const(int_min, INT_MIN)
+ : __clobber_all);
+}
+
+
#else
SEC("socket")