diff --git a/criu/apparmor.c b/criu/apparmor.c
index 67553c8f1..de5840bf2 100644
--- a/criu/apparmor.c
+++ b/criu/apparmor.c
@@ -141,7 +141,7 @@ static int collect_profile(char *path, int offset, char *dir, AaNamespace *ns)
 	if (!cur->blob.data)
 		goto close;
 
-	n = read(fd, cur->blob.data, sb.st_size);
+	n = read_all(fd, cur->blob.data, sb.st_size);
 	if (n < 0) {
 		pr_perror("failed to read %s", path);
 		goto close;
diff --git a/criu/cr-dump.c b/criu/cr-dump.c
index e4c78dbba..94ecae992 100644
--- a/criu/cr-dump.c
+++ b/criu/cr-dump.c
@@ -467,7 +467,7 @@ static int get_task_auxv(pid_t pid, MmEntry *mm)
 	if (fd < 0)
 		return -1;
 
-	ret = read(fd, mm_saved_auxv, sizeof(mm_saved_auxv));
+	ret = read_all(fd, mm_saved_auxv, sizeof(mm_saved_auxv));
 	if (ret < 0) {
 		ret = -1;
 		pr_perror("Error reading %d's auxv", pid);
diff --git a/criu/files-reg.c b/criu/files-reg.c
index c0624f0d2..d8528f374 100644
--- a/criu/files-reg.c
+++ b/criu/files-reg.c
@@ -1576,7 +1576,7 @@ static int get_build_id(const int fd, const struct stat *fd_status, unsigned cha
 	size_t mapped_size;
 	int ret = -1;
 
-	if (read(fd, buf, SELFMAG + 1) != SELFMAG + 1)
+	if (read_all(fd, buf, SELFMAG + 1) != SELFMAG + 1)
 		return -1;
 
 	/*
diff --git a/criu/include/util.h b/criu/include/util.h
index 4e29c079e..53cd9edb8 100644
--- a/criu/include/util.h
+++ b/criu/include/util.h
@@ -388,6 +388,7 @@ extern char *get_legacy_iptables_bin(bool ipv6);
 
 extern ssize_t read_all(int fd, void *buf, size_t size);
 extern ssize_t write_all(int fd, const void *buf, size_t size);
+extern ssize_t pread_all(int fd, void *buf, size_t size, off_t offset);
 
 #define cleanup_free __attribute__((cleanup(cleanup_freep)))
 static inline void cleanup_freep(void *p)
diff --git a/criu/ipc_ns.c b/criu/ipc_ns.c
index 4fe082fbb..efe0797fe 100644
--- a/criu/ipc_ns.c
+++ b/criu/ipc_ns.c
@@ -790,26 +790,20 @@ static int prepare_ipc_msg(int pid)
 static int restore_content(void *data, struct cr_img *img, const IpcShmEntry *shm)
 {
 	int ifd;
-	ssize_t size, off;
+	ssize_t size, ret;
 
 	ifd = img_raw_fd(img);
 	if (ifd < 0) {
 		pr_err("Failed getting raw image fd\n");
 		return -1;
 	}
-	size = round_up(shm->size, sizeof(u32));
-	off = 0;
-	do {
-		ssize_t ret;
-
-		ret = read(ifd, data + off, size - off);
-		if (ret <= 0) {
-			pr_perror("Failed to write IPC shared memory data");
-			return (int)ret;
-		}
 
-		off += ret;
-	} while (off < size);
+	size = round_up(shm->size, sizeof(u32));
+	ret = read_all(ifd, data, size);
+	if (ret != size) {
+		pr_perror("Failed to write IPC shared memory data");
+		return -1;
+	}
 
 	return 0;
 }
diff --git a/criu/kerndat.c b/criu/kerndat.c
index 46a305421..6277681cc 100644
--- a/criu/kerndat.c
+++ b/criu/kerndat.c
@@ -71,7 +71,7 @@ static int check_pagemap(void)
 	}
 
 	/* Get the PFN of some present page. Stack is here, so try it :) */
-	ret = pread(fd, &pfn, sizeof(pfn), (((unsigned long)&ret) / page_size()) * sizeof(pfn));
+	ret = pread_all(fd, &pfn, sizeof(pfn), (((unsigned long)&ret) / page_size()) * sizeof(pfn));
 	if (ret != sizeof(pfn)) {
 		pr_perror("Can't read pagemap");
 		return -1;
@@ -1090,7 +1090,7 @@ static int kerndat_try_load_cache(void)
 		return 1;
 	}
 
-	ret = read(fd, &kdat, sizeof(kdat));
+	ret = read_all(fd, &kdat, sizeof(kdat));
 	if (ret < 0) {
 		pr_perror("Can't read kdat cache");
 		close(fd);
@@ -1361,7 +1361,7 @@ static int kerndat_has_pidfd_getfd(void)
 		goto close_all;
 	}
 
-	if (read(fds[1], &val_b, sizeof(val_b)) != sizeof(val_b)) {
+	if (read_all(fds[1], &val_b, sizeof(val_b)) != sizeof(val_b)) {
 		pr_perror("Can't read from socket");
 		ret = -1;
 		goto close_all;
diff --git a/criu/pagemap-cache.c b/criu/pagemap-cache.c
index 00f088ff3..7a9188444 100644
--- a/criu/pagemap-cache.c
+++ b/criu/pagemap-cache.c
@@ -153,7 +153,7 @@ static int pmc_fill_cache(pmc_t *pmc, const struct vma_area *vma)
 	BUG_ON(pmc->map_len < size_map);
 	BUG_ON(pmc->fd < 0);
 
-	if (pread(pmc->fd, pmc->map, size_map, PAGEMAP_PFN_OFF(pmc->start)) != size_map) {
+	if (pread_all(pmc->fd, pmc->map, size_map, PAGEMAP_PFN_OFF(pmc->start)) != size_map) {
 		pmc_zap(pmc);
 		pr_perror("Can't read %d's pagemap file", pmc->pid);
 		return -1;
diff --git a/criu/pagemap.c b/criu/pagemap.c
index 83f69bba3..97c3c4594 100644
--- a/criu/pagemap.c
+++ b/criu/pagemap.c
@@ -235,7 +235,6 @@ static int read_local_page(struct page_read *pr, unsigned long vaddr, unsigned l
 {
 	int fd;
 	ssize_t ret;
-	size_t curr = 0;
 
 	fd = img_raw_fd(pr->pi);
 	if (fd < 0) {
@@ -250,15 +249,10 @@ static int read_local_page(struct page_read *pr, unsigned long vaddr, unsigned l
 		return -1;
 
 	pr_debug("\tpr%lu-%u Read page from self %lx/%" PRIx64 "\n", pr->img_id, pr->id, pr->cvaddr, pr->pi_off);
-	while (1) {
-		ret = pread(fd, buf + curr, len - curr, pr->pi_off + curr);
-		if (ret < 1) {
-			pr_perror("Can't read mapping page %zd", ret);
-			return -1;
-		}
-		curr += ret;
-		if (curr == len)
-			break;
+	ret = pread_all(fd, buf, len, pr->pi_off);
+	if (ret != len) {
+		pr_perror("Can't read mapping page %zd", ret);
+		return -1;
 	}
 
 	if (opts.auto_dedup) {
@@ -407,7 +401,6 @@ static int maybe_read_page_img_streamer(struct page_read *pr, unsigned long vadd
 	unsigned long len = nr * PAGE_SIZE;
 	int fd;
 	int ret;
-	size_t curr = 0;
 
 	fd = img_raw_fd(pr->pi);
 	if (fd < 0) {
@@ -420,18 +413,13 @@ static int maybe_read_page_img_streamer(struct page_read *pr, unsigned long vadd
 	/* We can't seek. The requested address better match */
 	BUG_ON(pr->cvaddr != vaddr);
 
-	while (1) {
-		ret = read(fd, buf + curr, len - curr);
-		if (ret == 0) {
-			pr_err("Reached EOF unexpectedly while reading page from image\n");
-			return -1;
-		} else if (ret < 0) {
-			pr_perror("Can't read mapping page %d", ret);
-			return -1;
-		}
-		curr += ret;
-		if (curr == len)
-			break;
+	ret = read_all(fd, buf, len);
+	if (ret < len) {
+		pr_err("Reached EOF unexpectedly while reading page from image\n");
+		return -1;
+	} else if (ret < 0) {
+		pr_perror("Can't read mapping page %d", ret);
+		return -1;
 	}
 
 	if (opts.auto_dedup)
diff --git a/criu/util.c b/criu/util.c
index 92ffccf38..ba185bf74 100644
--- a/criu/util.c
+++ b/criu/util.c
@@ -840,7 +840,7 @@ int vaddr_to_pfn(int fd, unsigned long vaddr, u64 *pfn)
 	}
 
 	off = (vaddr / page_size()) * sizeof(u64);
-	ret = pread(fd, pfn, sizeof(*pfn), off);
+	ret = pread_all(fd, pfn, sizeof(*pfn), off);
 	if (ret != sizeof(*pfn)) {
 		pr_perror("Can't read pme for pid %d", getpid());
 		ret = -1;
@@ -1686,6 +1686,32 @@ ssize_t write_all(int fd, const void *buf, size_t size)
 	return n;
 }
 
+ssize_t pread_all(int fd, void *buf, size_t size, off_t offset)
+{
+	ssize_t n = 0;
+	while (size > 0) {
+		ssize_t ret = pread(fd, buf, size, offset);
+		if (ret == -1) {
+			if (errno == EINTR)
+				continue;
+			/*
+			 * The caller should use standard read() for
+			 * non-blocking I/O.
+			 */
+			if (errno == EAGAIN || errno == EWOULDBLOCK)
+				errno = EINVAL;
+			return ret;
+		}
+		if (ret == 0)
+			break;
+		n += ret;
+		buf = (char *)buf + ret;
+		size -= ret;
+		offset += ret;
+	}
+	return n;
+}
+
 static int remove_one(const char *fpath, const struct stat *sb, int tflag, struct FTW *ftwbuf)
 {
 	int ret;