diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-21 13:26:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-21 13:26:54 -0700 |
| commit | 18bf34080c4c3beb6699181986cc97dd712498fe (patch) | |
| tree | 39df6f8fcf54a39edc15aeee48cc266fbc07cbe7 /fs | |
| parent | 8160a563cfff2a94e4ef20508961f1c9eead3b1f (diff) | |
| parent | cf01699ee220c38099eb3e43ce3d10690c8b7060 (diff) | |
Merge branch 'akpm' (patches from Andrew)HEADmasterbisect-ftrace
Merge misc fixes from Andrew Morton:
"15 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
tools/vm: fix cross-compile build
coredump: fix null pointer dereference on coredump
mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path
shmem: fix possible deadlocks on shmlock_user_lock
vmalloc: fix remap_vmalloc_range() bounds checks
mm/shmem: fix build without THP
mm/ksm: fix NULL pointer dereference when KSM zero page is enabled
tools/build: tweak unused value workaround
checkpatch: fix a typo in the regex for $allocFunctions
mm, gup: return EINTR when gup is interrupted by fatal signals
mm/hugetlb: fix a addressing exception caused by huge_pte_offset
MAINTAINERS: add an entry for kfifo
mm/userfaultfd: disable userfaultfd-wp on x86_32
slub: avoid redzone when choosing freepointer location
sh: fix build error in mm/init.c
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/coredump.c | 2 | ||||
| -rw-r--r-- | fs/proc/vmcore.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index f8296a82d01df..408418e6aa131 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -211,6 +211,8 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm, return -ENOMEM; (*argv)[(*argc)++] = 0; ++pat_ptr; + if (!(*pat_ptr)) + return -ENOMEM; } /* Repeat as long as we have more pattern to process and more output diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 7dc800cce3543..c663202da8de7 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -266,7 +266,8 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst, if (start < offset + dump->size) { tsz = min(offset + (u64)dump->size - start, (u64)size); buf = dump->buf + start - offset; - if (remap_vmalloc_range_partial(vma, dst, buf, tsz)) { + if (remap_vmalloc_range_partial(vma, dst, buf, 0, + tsz)) { ret = -EFAULT; goto out_unlock; } @@ -624,7 +625,7 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma) tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size); kaddr = elfnotes_buf + start - elfcorebuf_sz - vmcoredd_orig_sz; if (remap_vmalloc_range_partial(vma, vma->vm_start + len, - kaddr, tsz)) + kaddr, 0, tsz)) goto fail; size -= tsz; |