[CRIU] [PATCH 11/20] multiarch: generalized format strings to prevent invalid format string warnings and segfaults on ARM.
Pavel Emelyanov
xemul at parallels.com
Wed Dec 12 11:04:35 EST 2012
On 12/12/2012 05:34 PM, alekskartashov at parallels.com wrote:
> From: Alexander Kartashov <alekskartashov at parallels.com>
More details please. Such kludges to logging is not acceptable, need to
find proper and clean solution.
> Signed-off-by: Alexander Kartashov <alekskartashov at parallels.com>
> ---
> cr-show.c | 23 +++++++++--------------
> eventfd.c | 2 +-
> eventpoll.c | 2 +-
> files-reg.c | 2 +-
> inotify.c | 8 ++++----
> ipc_ns.c | 4 ++--
> pie/restorer.c | 10 +++++-----
> pipes.c | 2 +-
> proc_parse.c | 24 ++++++++++++------------
> pstree.c | 4 ++++
> shmem.c | 10 +++++-----
> sk-inet.c | 2 +-
> sk-packet.c | 4 ++--
> sysctl.c | 6 +++---
> util.c | 10 ++++++----
> 15 files changed, 57 insertions(+), 56 deletions(-)
>
> diff --git a/cr-show.c b/cr-show.c
> index 48031f8..71e1ae4 100644
> --- a/cr-show.c
> +++ b/cr-show.c
> @@ -45,11 +45,6 @@
>
> #define DEF_PAGES_PER_LINE 6
>
> -#ifndef CONFIG_X86_64
> -# error No x86-32 support yet
> -#endif
> -
> -
> #define PR_SYMBOL(sym) \
> (isprint(sym) ? sym : '.')
>
> @@ -231,7 +226,7 @@ void show_pages(int fd_pages, struct cr_options *o)
> goto out;
> }
>
> - pr_msg("0x%16lx ", e.va);
> + pr_msg("0x%16"PRIx64" ", e.va);
> }
> pr_msg("\n");
> }
> @@ -305,19 +300,19 @@ static inline char *task_state_str(int state)
> static void show_core_regs(UserX86RegsEntry *regs)
> {
> #define pr_regs4(s, n1, n2, n3, n4) \
> - pr_msg("\t%8s: 0x%-16lx " \
> - "%8s: 0x%-16lx " \
> - "%8s: 0x%-16lx " \
> - "%8s: 0x%-16lx\n", \
> + pr_msg("\t%8s: 0x%-16"PRIx64" " \
> + "%8s: 0x%-16"PRIx64" " \
> + "%8s: 0x%-16"PRIx64" " \
> + "%8s: 0x%-16"PRIx64"\n", \
> #n1, s->n1, \
> #n2, s->n2, \
> #n3, s->n3, \
> #n4, s->n4)
>
> #define pr_regs3(s, n1, n2, n3) \
> - pr_msg("\t%8s: 0x%-16lx " \
> - "%8s: 0x%-16lx " \
> - "%8s: 0x%-16lx\n", \
> + pr_msg("\t%8s: 0x%-16"PRIx64" " \
> + "%8s: 0x%-16"PRIx64" " \
> + "%8s: 0x%-16"PRIx64"\n", \
> #n1, s->n1, \
> #n2, s->n2, \
> #n3, s->n3)
> @@ -340,7 +335,7 @@ void show_thread_info(ThreadInfoX86 *thread_info)
> return;
>
> pr_msg("\t---[ Thread info ]---\n");
> - pr_msg("\tclear_tid_addr: 0x%lx\n", thread_info->clear_tid_addr);
> + pr_msg("\tclear_tid_addr: 0x%"PRIx64"\n", thread_info->clear_tid_addr);
> pr_msg("\n");
>
> show_core_regs(thread_info->gpregs);
> diff --git a/eventfd.c b/eventfd.c
> index 75c8b84..8d65f2d 100644
> --- a/eventfd.c
> +++ b/eventfd.c
> @@ -40,7 +40,7 @@ int is_eventfd_link(int lfd)
>
> static void pr_info_eventfd(char *action, EventfdFileEntry *efe)
> {
> - pr_info("%s: id %#08x flags %#04x counter %#016lx\n",
> + pr_info("%s: id %#08x flags %#04x counter %#016"PRIx64"\n",
> action, efe->id, efe->flags, efe->counter);
> }
>
> diff --git a/eventpoll.c b/eventpoll.c
> index c67bc07..4ad97ae 100644
> --- a/eventpoll.c
> +++ b/eventpoll.c
> @@ -47,7 +47,7 @@ int is_eventpoll_link(int lfd)
>
> static void pr_info_eventpoll_tfd(char *action, EventpollTfdEntry *e)
> {
> - pr_info("%seventpoll-tfd: id %#08x tfd %#08x events %#08x data %#016lx\n",
> + pr_info("%seventpoll-tfd: id %#08x tfd %#08x events %#08x data %#016"PRIx64"\n",
> action, e->id, e->tfd, e->events, e->data);
> }
>
> diff --git a/files-reg.c b/files-reg.c
> index c99c349..5147847 100644
> --- a/files-reg.c
> +++ b/files-reg.c
> @@ -288,7 +288,7 @@ static int dump_ghost_remap(char *path, const struct stat *st, int lfd, u32 id)
> pr_info("Dumping ghost file for fd %d id %#x\n", lfd, id);
>
> if (st->st_size > MAX_GHOST_FILE_SIZE) {
> - pr_err("Can't dump ghost file %s of %lu size\n",
> + pr_err("Can't dump ghost file %s of %"PRIu64" size\n",
> path, st->st_size);
> return -1;
> }
> diff --git a/inotify.c b/inotify.c
> index 1e54288..a87bc0c 100644
> --- a/inotify.c
> +++ b/inotify.c
> @@ -77,9 +77,9 @@ static int dump_inotify_entry(union fdinfo_entries *e, void *arg)
> InotifyWdEntry *we = &e->ify;
>
> we->id = *(u32 *)arg;
> - pr_info("wd: wd 0x%08x s_dev 0x%08x i_ino 0x%16lx mask 0x%08x\n",
> + pr_info("wd: wd 0x%08x s_dev 0x%08x i_ino 0x%16"PRIx64" mask 0x%08x\n",
> we->wd, we->s_dev, we->i_ino, we->mask);
> - pr_info("\t[fhandle] bytes 0x%08x type 0x%08x __handle 0x%016lx:0x%016lx\n",
> + pr_info("\t[fhandle] bytes 0x%08x type 0x%08x __handle 0x%016"PRIx64":0x%016"PRIx64"\n",
> we->f_handle->bytes, we->f_handle->type,
> we->f_handle->handle[0], we->f_handle->handle[1]);
> return pb_write_one(fdset_fd(glob_fdset, CR_FD_INOTIFY_WD), we, PB_INOTIFY_WD);
> @@ -135,7 +135,7 @@ static int restore_one_inotify(int inotify_fd, struct inotify_wd_info *info)
> if (!info->remap) {
> target = sys_open_by_handle_at(mntfd, (void *)&handle, 0);
> if (target < 0) {
> - pr_perror("Can't open file handle for 0x%08x:0x%016lx",
> + pr_perror("Can't open file handle for 0x%08x:0x%016"PRIx64,
> iwe->s_dev, iwe->i_ino);
> goto err;
> }
> @@ -143,7 +143,7 @@ static int restore_one_inotify(int inotify_fd, struct inotify_wd_info *info)
> } else
> path = info->remap->path;
>
> - pr_debug("\t\tRestore watch for 0x%08x:0x%016lx\n", iwe->s_dev, iwe->i_ino);
> + pr_debug("\t\tRestore watch for 0x%08x:0x%016"PRIx64"\n", iwe->s_dev, iwe->i_ino);
>
> /*
> * FIXME The kernel allocates wd-s sequentially,
> diff --git a/ipc_ns.c b/ipc_ns.c
> index 223a436..8819fc8 100644
> --- a/ipc_ns.c
> +++ b/ipc_ns.c
> @@ -155,7 +155,7 @@ static int dump_ipc_sem(int fd)
>
> static void pr_info_ipc_msg(int nr, const IpcMsg *msg)
> {
> - print_on_level(LOG_INFO, " %-5d: type: %-20ld size: %-10d\n",
> + print_on_level(LOG_INFO, " %-5d: type: %-20"PRId64" size: %-10d\n",
> nr++, msg->mtype, msg->msize);
> }
>
> @@ -280,7 +280,7 @@ static int dump_ipc_msg(int fd)
> static void pr_info_ipc_shm(const IpcShmEntry *shm)
> {
> pr_ipc_desc_entry(LOG_INFO, shm->desc);
> - print_on_level(LOG_INFO, "size: %-10lu\n", shm->size);
> + print_on_level(LOG_INFO, "size: %-10"PRIu64"\n", shm->size);
> }
>
> static int ipc_sysctl_req(IpcVarEntry *e, int op)
> diff --git a/pie/restorer.c b/pie/restorer.c
> index ec1ceb2..ba8451f 100644
> --- a/pie/restorer.c
> +++ b/pie/restorer.c
> @@ -149,7 +149,7 @@ static int restore_thread_common(struct rt_sigframe *sigframe,
> {
> int ret;
>
> - sys_set_tid_address((int *)args->clear_tid_addr);
> + sys_set_tid_address((int *)(int32_t)args->clear_tid_addr);
>
> if (args->has_futex) {
> if (sys_set_robust_list((void *)args->futex_rla, args->futex_rla_len)) {
> @@ -254,7 +254,7 @@ static u64 restore_mapping(const VmaEntry *vma_entry)
> if (vma_entry->fd == -1 || !(vma_entry->flags & MAP_SHARED))
> prot |= PROT_WRITE;
>
> - pr_debug("\tmmap(%lx -> %lx, %x %x %d\n",
> + pr_debug("\tmmap(%"PRIx64" -> %"PRIx64", %x %x %d\n",
> vma_entry->start, vma_entry->end,
> prot, flags, (int)vma_entry->fd);
> /*
> @@ -399,7 +399,7 @@ long __export_restore_task(struct task_restore_core_args *args)
> if (!vma_entry_is(vma_entry, VMA_AREA_REGULAR))
> continue;
>
> - pr_debug("Examine %lx-%lx\n", vma_entry->start, vma_entry->end);
> + pr_debug("Examine %"PRIx64"-%"PRIx64"\n", vma_entry->start, vma_entry->end);
>
> if (addr < args->premmapped_addr) {
> if (vma_entry->end >= args->premmapped_addr)
> @@ -484,7 +484,7 @@ long __export_restore_task(struct task_restore_core_args *args)
> va = restore_mapping(vma_entry);
>
> if (va != vma_entry->start) {
> - pr_err("Can't restore %lx mapping with %lx\n", vma_entry->start, va);
> + pr_err("Can't restore %"PRIx64" mapping with %"PRIx64"\n", vma_entry->start, va);
> goto core_restore_end;
> }
> }
> @@ -529,7 +529,7 @@ long __export_restore_task(struct task_restore_core_args *args)
> vma_entry_len(vma_entry),
> i);
> if (ret) {
> - pr_err("madvise(%lx, %ld, %ld) "
> + pr_err("madvise(%"PRIx64", %"PRIi64", %lu) "
> "failed with %ld\n",
> vma_entry->start,
> vma_entry_len(vma_entry),
> diff --git a/pipes.c b/pipes.c
> index 6542ec6..119520a 100644
> --- a/pipes.c
> +++ b/pipes.c
> @@ -177,7 +177,7 @@ int restore_pipe_data(int img_type, int pfd, u32 id, struct pipe_data_rst **hash
> }
>
> if (ret == 0 || ret > iov.iov_len /* sanity */) {
> - pr_err("%#x: Wanted to restore %lu bytes, but got %d\n", id,
> + pr_err("%#x: Wanted to restore %"PRIs" bytes, but got %d\n", id,
> iov.iov_len, ret);
> ret = -1;
> goto err;
> diff --git a/proc_parse.c b/proc_parse.c
> index c711271..edee8c7 100644
> --- a/proc_parse.c
> +++ b/proc_parse.c
> @@ -129,7 +129,7 @@ static int is_anon_shmem_map(dev_t dev)
> munmap(map, PAGE_SIZE);
>
> shmem_dev = buf.st_dev;
> - pr_info("Found anon-shmem piggie at %lx\n", shmem_dev);
> + pr_info("Found anon-shmem piggie at %"PRIx64"\n", (uint64_t)shmem_dev);
> }
>
> return shmem_dev == dev;
> @@ -164,7 +164,7 @@ int parse_smaps(pid_t pid, struct list_head *vma_area_list, bool use_map_files)
> if (!is_vma_range_fmt(buf)) {
> if (!strncmp(buf, "Nonlinear", 9)) {
> BUG_ON(!vma_area);
> - pr_err("Nonlinear mapping found %016lx-%016lx\n",
> + pr_err("Nonlinear mapping found %016"PRIx64"-%016"PRIx64"\n",
> vma_area->vma.start, vma_area->vma.end);
> /*
> * VMA is already on list and will be
> @@ -186,7 +186,7 @@ int parse_smaps(pid_t pid, struct list_head *vma_area_list, bool use_map_files)
> goto err;
>
> memset(file_path, 0, 6);
> - num = sscanf(buf, "%lx-%lx %c%c%c%c %lx %02x:%02x %lu %5s",
> + num = sscanf(buf, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %02x:%02x %lu %5s",
> &start, &end, &r, &w, &x, &s, &pgoff, &dev_maj,
> &dev_min, &ino, file_path);
> if (num < 10) {
> @@ -198,7 +198,7 @@ int parse_smaps(pid_t pid, struct list_head *vma_area_list, bool use_map_files)
> char path[32];
>
> /* Figure out if it's file mapping */
> - snprintf(path, sizeof(path), "%lx-%lx", start, end);
> + snprintf(path, sizeof(path), "%"PRIx64"-%"PRIx64, start, end);
>
> /*
> * Note that we "open" it in dumper process space
> @@ -216,7 +216,7 @@ int parse_smaps(pid_t pid, struct list_head *vma_area_list, bool use_map_files)
> if (!S_ISSOCK(buf.st_mode))
> goto err_bogus_mapfile;
>
> - pr_info("Found socket %lu mapping @%lx\n", buf.st_ino, start);
> + pr_info("Found socket %"PRIu64" mapping @%"PRIx64"\n", buf.st_ino, start);
> vma_area->vma.status |= VMA_AREA_SOCKET | VMA_AREA_REGULAR;
> vma_area->vm_socket_id = buf.st_ino;
> } else if (errno != ENOENT)
> @@ -265,11 +265,11 @@ int parse_smaps(pid_t pid, struct list_head *vma_area_list, bool use_map_files)
> struct stat st_buf;
>
> if (fstat(vma_area->vm_file_fd, &st_buf) < 0) {
> - pr_perror("Failed fstat on %d's map %lu", pid, start);
> + pr_perror("Failed fstat on %d's map %"PRIu64, pid, start);
> goto err;
> }
> if (!S_ISREG(st_buf.st_mode)) {
> - pr_err("Can't handle non-regular mapping on %d's map %lu\n", pid, start);
> + pr_err("Can't handle non-regular mapping on %d's map %"PRIu64"\n", pid, start);
> goto err;
> }
>
> @@ -325,13 +325,13 @@ err:
> return ret;
>
> err_bogus_mapping:
> - pr_err("Bogus mapping 0x%lx-0x%lx (flags: %#x vm_file_fd: %d)\n",
> + pr_err("Bogus mapping 0x%"PRIx64"-0x%"PRIx64" (flags: %#x vm_file_fd: %d)\n",
> vma_area->vma.start, vma_area->vma.end,
> vma_area->vma.flags, vma_area->vm_file_fd);
> goto err;
>
> err_bogus_mapfile:
> - pr_perror("Can't open %d's mapfile link %lx", pid, start);
> + pr_perror("Can't open %d's mapfile link %"PRIx64, pid, start);
> goto err;
> }
>
> @@ -847,7 +847,7 @@ int parse_fdinfo(int fd, int type,
>
> if (type != FD_TYPES__EVENTFD)
> goto parse_err;
> - ret = sscanf(str, "eventfd-count: %lx",
> + ret = sscanf(str, "eventfd-count: %"PRIx64,
> &entry.efd.counter);
> if (ret != 1)
> goto parse_err;
> @@ -863,7 +863,7 @@ int parse_fdinfo(int fd, int type,
>
> if (type != FD_TYPES__EVENTPOLL)
> goto parse_err;
> - ret = sscanf(str, "tfd: %d events: %x data: %lx",
> + ret = sscanf(str, "tfd: %d events: %x data: %"PRIx64,
> &entry.epl.tfd, &entry.epl.events, &entry.epl.data);
> if (ret != 3)
> goto parse_err;
> @@ -900,7 +900,7 @@ int parse_fdinfo(int fd, int type,
> if (type != FD_TYPES__INOTIFY)
> goto parse_err;
> ret = sscanf(str,
> - "inotify wd:%x ino:%lx sdev:%x "
> + "inotify wd:%x ino:%"PRIx64" sdev:%x "
> "mask:%x ignored_mask:%x "
> "fhandle-bytes:%x fhandle-type:%x "
> "f_handle: %n",
> diff --git a/pstree.c b/pstree.c
> index 3ba645e..ccb80a8 100644
> --- a/pstree.c
> +++ b/pstree.c
> @@ -11,6 +11,10 @@
>
> struct pstree_item *root_item;
>
> +#ifdef CONFIG_ARM
> +struct task_entries *task_entries;
> +#endif
> +
> void free_pstree(struct pstree_item *root_item)
> {
> struct pstree_item *item = root_item, *parent;
> diff --git a/shmem.c b/shmem.c
> index cb52634..5e2c4a3 100644
> --- a/shmem.c
> +++ b/shmem.c
> @@ -58,7 +58,7 @@ static int collect_shmem(int pid, VmaEntry *vi)
> return -1;
> }
>
> - pr_info("Add new shmem 0x%lx (0x0160x%lx-0x0160x%lx)",
> + pr_info("Add new shmem 0x%"PRIx64" (0x0160x%"PRIx64"-0x0160x%"PRIx64")",
> vi->shmid, vi->start, vi->end);
>
> si = &rst_shmems->entries[nr_shmems];
> @@ -94,7 +94,7 @@ int prepare_shmem_pid(int pid)
> if (ret <= 0)
> break;
>
> - pr_info("vma 0x%lx 0x%lx\n", vi->start, vi->end);
> + pr_info("vma 0x%"PRIx64" 0x%"PRIx64"\n", vi->start, vi->end);
>
> if (!vma_entry_is(vi, VMA_ANON_SHARED) ||
> vma_entry_is(vi, VMA_AREA_SYSVIPC)) {
> @@ -167,9 +167,9 @@ int get_shmem_fd(int pid, VmaEntry *vi)
> int f;
>
> si = find_shmem(rst_shmems, vi->shmid);
> - pr_info("Search for 0x%016lx shmem 0x%lx %p/%d\n", vi->start, vi->shmid, si, si ? si->pid : -1);
> + pr_info("Search for 0x%016"PRIx64" shmem 0x%"PRIx64" %p/%d\n", vi->start, vi->shmid, si, si ? si->pid : -1);
> if (!si) {
> - pr_err("Can't find my shmem 0x%016lx\n", vi->start);
> + pr_err("Can't find my shmem 0x%016"PRIx64"\n", vi->start);
> return -1;
> }
>
> @@ -190,7 +190,7 @@ int get_shmem_fd(int pid, VmaEntry *vi)
> PROT_WRITE | PROT_READ,
> MAP_SHARED | MAP_ANONYMOUS, -1, 0);
> if (addr == MAP_FAILED) {
> - pr_err("Can't mmap shmid=0x%lx size=%ld\n",
> + pr_err("Can't mmap shmid=0x%"PRIx64" size=%ld\n",
> vi->shmid, si->size);
> return -1;
> }
> diff --git a/sk-inet.c b/sk-inet.c
> index 19a413b..80a4330 100644
> --- a/sk-inet.c
> +++ b/sk-inet.c
> @@ -425,7 +425,7 @@ static int inet_validate_address(InetSkEntry *ie)
> (ie->n_dst_addr == PB_ALEN_INET6))
> return 0;
>
> - pr_err("Addr len mismatch f %d ss %lu ds %lu\n", ie->family,
> + pr_err("Addr len mismatch f %d ss %"PRIs" ds %"PRIs"\n", ie->family,
> pb_repeated_size(ie, src_addr),
> pb_repeated_size(ie, dst_addr));
>
> diff --git a/sk-packet.c b/sk-packet.c
> index a82825a..cf876ee 100644
> --- a/sk-packet.c
> +++ b/sk-packet.c
> @@ -228,7 +228,7 @@ int dump_socket_map(struct vma_area *vma)
> return -1;
> }
>
> - pr_info("Dumping socket map %x -> %lx\n", sd->file_id, vma->vma.start);
> + pr_info("Dumping socket map %x -> %"PRIx64"\n", sd->file_id, vma->vma.start);
> vma->vma.shmid = sd->file_id;
> return 0;
> }
> @@ -344,7 +344,7 @@ static int restore_mreqs(int sk, PacketSockEntry *pse)
> pr_info("Restoring mreq type %d\n", ml->type);
>
> if (ml->addr.len > sizeof(mreq.mr_address)) {
> - pr_err("To big mcaddr %lu\n", ml->addr.len);
> + pr_err("To big mcaddr %"PRIs"\n", ml->addr.len);
> return -1;
> }
>
> diff --git a/sysctl.c b/sysctl.c
> index a7bb6e3..25a2497 100644
> --- a/sysctl.c
> +++ b/sysctl.c
> @@ -134,14 +134,14 @@ GEN_SYSCTL_READ_FUNC(u32, strtoul);
> GEN_SYSCTL_READ_FUNC(u64, strtoull);
>
> GEN_SYSCTL_WRITE_FUNC(u32, "%u ");
> -GEN_SYSCTL_WRITE_FUNC(u64, "%lu ");
> +GEN_SYSCTL_WRITE_FUNC(u64, "%"PRIu64" ");
>
> GEN_SYSCTL_PRINT_FUNC(u32, "%u ");
> -GEN_SYSCTL_PRINT_FUNC(u64, "%lu ");
> +GEN_SYSCTL_PRINT_FUNC(u64, "%"PRIu64" ");
> GEN_SYSCTL_PRINT_FUNC(char, "%c");
>
> GEN_SYSCTL_SHOW_FUNC(u32, "%u ");
> -GEN_SYSCTL_SHOW_FUNC(u64, "%lu ");
> +GEN_SYSCTL_SHOW_FUNC(u64, "%"PRIu64" ");
> GEN_SYSCTL_SHOW_FUNC(char, "%c");
>
> static int
> diff --git a/util.c b/util.c
> index 59ed831..7d89049 100644
> --- a/util.c
> +++ b/util.c
> @@ -88,12 +88,14 @@ void pr_vma(unsigned int loglevel, const struct vma_area *vma_area)
> {
> char opt[VMA_OPT_LEN];
>
> + memset(opt, 0, VMA_OPT_LEN);
> +
> if (!vma_area)
> return;
>
> vma_opt_str(vma_area, opt);
> - print_on_level(loglevel, "%#lx-%#lx (%liK) prot %#x flags %#x off %#lx "
> - "%s shmid: %#lx\n",
> + print_on_level(loglevel, "%#"PRIx64"-%#"PRIx64" (%"PRIi64"K) prot %#x flags %#x off %#"PRIx64
> + "%s shmid: %#"PRIx64"\n",
> vma_area->vma.start, vma_area->vma.end,
> KBYTES(vma_area_len(vma_area)),
> vma_area->vma.prot,
> @@ -339,7 +341,7 @@ int copy_file(int fd_in, int fd_out, size_t bytes)
>
> if (ret == 0) {
> if (bytes && (written != bytes)) {
> - pr_err("Ghost file size mismatch %lu/%lu\n",
> + pr_err("Ghost file size mismatch %"PRIs"/%"PRIs"\n",
> written, bytes);
> return -1;
> }
> @@ -387,7 +389,7 @@ void *shmalloc(size_t bytes)
> void *ret;
>
> if (bytes > SH_BUF_CHUNK) {
> - pr_err("Too big shared buffer requested %lu\n", bytes);
> + pr_err("Too big shared buffer requested %"PRIs"\n", bytes);
> return NULL;
> }
>
>
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