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-rw-r--r--kernel/bpf/verifier.c6
-rw-r--r--tools/testing/selftests/bpf/prog_tests/align.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 50c995697f0e..fd2f216de920 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2149,9 +2149,9 @@ static void __reg_bound_offset(struct bpf_reg_state *reg)
struct tnum var64_off = tnum_intersect(reg->var_off,
tnum_range(reg->umin_value,
reg->umax_value));
- struct tnum var32_off = tnum_intersect(tnum_subreg(reg->var_off),
- tnum_range(reg->u32_min_value,
- reg->u32_max_value));
+ struct tnum var32_off = tnum_intersect(tnum_subreg(var64_off),
+ tnum_range(reg->u32_min_value,
+ reg->u32_max_value));
reg->var_off = tnum_or(tnum_clear_subreg(var64_off), var32_off);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/align.c b/tools/testing/selftests/bpf/prog_tests/align.c
index c94fa8d6c4f6..b92770592563 100644
--- a/tools/testing/selftests/bpf/prog_tests/align.c
+++ b/tools/testing/selftests/bpf/prog_tests/align.c
@@ -575,14 +575,14 @@ static struct bpf_align_test tests[] = {
/* New unknown value in R7 is (4n), >= 76 */
{14, "R7_w=scalar(umin=76,umax=1096,var_off=(0x0; 0x7fc))"},
/* Adding it to packet pointer gives nice bounds again */
- {16, "R5_w=pkt(id=3,off=0,r=0,umin=2,umax=1082,var_off=(0x2; 0xfffffffc)"},
+ {16, "R5_w=pkt(id=3,off=0,r=0,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=3,off=0,r=4,umin=2,umax=1082,var_off=(0x2; 0xfffffffc)"},
+ {20, "R5=pkt(id=3,off=0,r=4,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
},
},
};