diff options
| author | Mark Brown <broonie@kernel.org> | 2018-10-01 12:15:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-10-01 12:15:41 +0100 |
| commit | 5410a50744229bec3b4a182ff1d6e847957014c2 (patch) | |
| tree | c2e1f0042238961ec43a2ca88d6d366dc80436f1 /kernel/events/core.c | |
| parent | d7b33ebae7c1419ebdfd94eb64bf74a7ec760031 (diff) | |
| parent | 3b65f403d7d0e98484e8f2c9471808f2785a8235 (diff) | |
Merge tag 'v4.14.73' into linux-linaro-lsk-v4.14lsk-v4.14-18.09
This is the 4.14.73 stable release
# gpg: Signature made Sat 29 Sep 2018 11:06:11 BST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Good signature from "Greg Kroah-Hartman <gregkh@linuxfoundation.org>" [unknown]
# gpg: aka "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" [unknown]
# gpg: aka "Greg Kroah-Hartman <gregkh@kernel.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 7c394ddf1ce6..812ebf1cbb87 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5700,6 +5700,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, unsigned long sp; unsigned int rem; u64 dyn_size; + mm_segment_t fs; /* * We dump: @@ -5717,7 +5718,10 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, /* Data. */ sp = perf_user_stack_pointer(regs); + fs = get_fs(); + set_fs(USER_DS); rem = __output_copy_user(handle, (void *) sp, dump_size); + set_fs(fs); dyn_size = dump_size - rem; perf_output_skip(handle, rem); |