diff options
Diffstat (limited to 'executor/common_linux.h')
| -rw-r--r-- | executor/common_linux.h | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/executor/common_linux.h b/executor/common_linux.h index d73f8a66a..8c20101ec 100644 --- a/executor/common_linux.h +++ b/executor/common_linux.h @@ -184,10 +184,10 @@ static int netlink_send_ext(struct nlmsg* nlmsg, int sock, if (n != hdr->nlmsg_len) fail("short netlink write: %d/%d", n, hdr->nlmsg_len); n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); - if (hdr->nlmsg_type == NLMSG_DONE) { + if (reply_len) *reply_len = 0; + if (hdr->nlmsg_type == NLMSG_DONE) return 0; - } if (n < sizeof(struct nlmsghdr)) fail("short netlink read: %d", n); if (reply_len && hdr->nlmsg_type == reply_type) { @@ -1381,12 +1381,6 @@ static long syz_emit_ethernet(volatile long a0, volatile long a1, volatile long #define CQ_RING_OVERFLOW_OFFSET 284 #define CQ_FLAGS_OFFSET 280 #define CQ_CQES_OFFSET 320 -#define SQ_ARRAY_OFFSET(sq_entries, cq_entries) (round_up(CQ_CQES_OFFSET + cq_entries * SIZEOF_IO_URING_CQE, 64)) - -uint32 round_up(uint32 x, uint32 a) -{ - return (x + a - 1) & ~(a - 1); -} #if SYZ_EXECUTOR || __NR_syz_io_uring_complete @@ -1538,7 +1532,7 @@ static long syz_io_uring_submit(volatile long a0, volatile long a1, volatile lon uint32 cq_ring_entries = *(uint32*)(ring_ptr + CQ_RING_ENTRIES_OFFSET); // Compute the sq_array offset - uint32 sq_array_off = SQ_ARRAY_OFFSET(sq_ring_entries, cq_ring_entries); + uint32 sq_array_off = (CQ_CQES_OFFSET + cq_ring_entries * SIZEOF_IO_URING_CQE + 63) & ~63; // Get the ptr to the destination for the sqe if (sq_ring_entries) @@ -3452,8 +3446,8 @@ static int do_sandbox_namespace(void) #define AID_EVERYBODY 9997 #define AID_APP 10000 -#define UNTRUSTED_APP_UID AID_APP + 999 -#define UNTRUSTED_APP_GID AID_APP + 999 +#define UNTRUSTED_APP_UID (AID_APP + 999) +#define UNTRUSTED_APP_GID (AID_APP + 999) const char* const SELINUX_CONTEXT_UNTRUSTED_APP = "u:r:untrusted_app:s0:c512,c768"; const char* const SELINUX_LABEL_APP_DATA_FILE = "u:object_r:app_data_file:s0:c512,c768"; |