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https://issues.oss-fuzz.com/issues/442253757
Changed
ev...@gmail.com added comment #3:
Sorry! The comment isn't related to OSS-Fuzz. I opened
https://github.com/google/oss-fuzz/issues/13937 t
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:40PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: fix function declaration in SYNOPSIS. Clarify that the null
> section is added automatically if absent and never returned.
> Remove comment about requiring ELF_C_WRITE or ELF_C_RDWR.
>
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:43PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v4: Minor rewording in DESCRIPTION and code comment in EXAMPLES
>
> doc/Makefile.am | 1 +
> doc/elf_next.3 | 120
> 2 files changed, 1
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:42PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Some rewording. Describe differences between elf_rawdata and
> elf_getdata. Also mention that the returned Elf_Data is owned by
> libelf and should not be manually freed.
>
> doc/Mak
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:39PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Describe default field values of Elf_Data returned by elf_newdata.
> Minor rewording changes
>
> doc/Makefile.am | 1 +
> doc/elf_newdata.3 | 92 +++
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:38PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Minor rewording in description and synopsis
>
> doc/Makefile.am| 1 +
> doc/elf_gnu_hash.3 | 1 +
> doc/elf_hash.3 | 19 ---
> 3 files changed, 18 insertions
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:37PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Mark elf_getshstrndx as deprecated in SYNOPSIS.
> Add note to HISTORY about reason for introducing elf_getshdrndx.
> Explain how to use with elf_strptr and Elf{32,64}_getshdr.
>
> doc
Hi Aaron,
On Mon, Aug 04, 2025 at 11:24:36PM -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: mark elf_getshnum as obsolete in SYNOPSIS. Describe extended section
> headers breifly. Clarify that elf can be NULL, dst cannot be NULL.
> Mention reason for elf_getshnum deprication a
Hi -
> > > Maybe we just have to say that you cannot share Dwarf_Die references
> > > between threads? So if you want to use a Dwarf_Die from another thread
> > > you have to copy it instead by passing it by reference? [...]
>
> (Exactly. The Dwarf_Die object is small enough, 4 pointers, to be
>
Hi -
> > Maybe we just have to say that you cannot share Dwarf_Die references
> > between threads? So if you want to use a Dwarf_Die from another thread
> > you have to copy it instead by passing it by reference? [...]
(Exactly. The Dwarf_Die object is small enough, 4 pointers, to be
simply copi
Hi Mark,
On Thu, Sep 4, 2025 at 1:12 PM Mark Wielaard wrote:
>
> Hi Aaron,
>
> On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> > Signed-off-by: Aaron Merey
> > ---
> > v2: Remove mention of implementation details. Mention that conversion
> > to native byte order and direct access alignme
When elf_getdata_rawchunk aquires a new chunk for the first time, it
inserts a stack-allocated dummy chunk into a search_tree with an rdlock
held. When the real chunk is prepared to replace the dummy chunk, the
rdlock is released and a wrlock is then held while replacing the
dummy with the real ch
Hi Mark,
On Thu, Sep 4, 2025 at 10:40 AM Mark Wielaard wrote:
>
> Hi Aaron,
>
> On Mon, 2025-09-01 at 20:31 -0400, Aaron Merey wrote:
> > __libdw_dieabbrev uses the abbrev_lock rwlock to synchronize access to the
> > Dwarf_Die abbrev field as well as its lazy loading. Calls to rwlock_wrlock
> >
Hi Serhei,
On Wed, 2025-09-03 at 10:14 -0400, Serhei Makarov wrote:
> Initial response from what I know, pending being actually sure about the
> answers.
>
> On Wed, Sep 3, 2025, at 9:51 AM, Mark Wielaard wrote:
> > Could you explain again why we have the first set of arguments?
> > Dwfl *dwfl
Hi Aaron,
On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Clarify that return value will not exceed bounds of
> elf32_getphdr/elf64_getphdr array when used as an index.
>
> doc/Makefile.am | 1 +
> doc/elf_getphdrnum.3 | 81 ++
Hi Aaron,
On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: some minor rewording. mention EI_* macros by name.
>
> doc/Makefile.am| 1 +
> doc/elf_getident.3 | 95 ++
> 2 files changed, 96 insertions(+
Hi Aaron,
On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Remove mention of implementation details. Mention that conversion
> to native byte order and direct access alignment resembles elf_getdata.
> Mention elf_errmsg.
>
> On Mon, Jul 7, 2025 at 1:
Hi Aaron,
On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: Mention that ELF_F_LAYOUT and ELF_F_PERMISSIVE are used with
> elf_flagelf only and mention which fields may be manually modified.
> Clarify when an error code is set. Explain exactly which ch
Hi Aaron,
On Mon, 2025-08-04 at 23:24 -0400, Aaron Merey wrote:
> Signed-off-by: Aaron Merey
> ---
> v2: replace "open memory buffer" with "open file descriptor". Clarify
> behavior when image is NULL as well as the minimum size of the image.
>
> doc/Makefile.am | 1 +
> doc/elf_memory.3 | 85
Hi Aaron,
On Mon, 2025-09-01 at 20:31 -0400, Aaron Merey wrote:
> __libdw_dieabbrev uses the abbrev_lock rwlock to synchronize access to the
> Dwarf_Die abbrev field as well as its lazy loading. Calls to rwlock_wrlock
> and unlock incur significant performance overhead even in single-threaded
> c
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