diff options
| author | Jordan Rhee <jordanrhee@google.com> | 2026-08-07 22:43:15 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-08-11 18:26:04 -0700 |
| commit | 3992ced109c70b771efad9e51ae68e5c7a04dea3 (patch) | |
| tree | 52ea83f7cba7164878f82a029aba576a35a178fe /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 6bf14575c65569dcded90ef78afb8a6d57323f04 (diff) | |
gve: fix NULL dereference due to missing ptp adjfine
Fix NULL dereference due to missing implementation of adjfine, which can
be triggered from usermode as follows:
sudo ./testptp -d /dev/ptp0 -f 0
[ 551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000
[...]
[ 552.061946] Call Trace:
[ 552.064487] <TASK>
[ 552.066681] ptp_clock_adjtime+0x1c0/0x2c0
[ 552.070874] ? get_clock_desc+0x6b/0xb0
[ 552.074825] pc_clock_adjtime+0x78/0xc0
[ 552.078755] __do_sys_clock_adjtime+0x85/0x110
[ 552.083293] do_syscall_64+0xea/0x610
Cc: stable@vger.kernel.org
Fixes: acd16380523b ("gve: Add initial PTP device support")
Signed-off-by: Jordan Rhee <jordanrhee@google.com>
Signed-off-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20260807224315.234152-3-hramamurthy@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions