Bui Quang Minh 762d7f193e bpf: Check for integer overflow when using roundup_pow_of_two() ...

[ Upstream commit 6183f4d3a0 ]

On 32-bit architecture, roundup_pow_of_two() can return 0 when the argument
has upper most bit set due to resulting 1UL << 32. Add a check for this case.

Fixes: d5a3b1f691 ("bpf: introduce BPF_MAP_TYPE_STACK_TRACE")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210127063653.3576-1-minhquangbui99@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-05-16 10:35:58 +09:00

..

arraymap.c

Merge 4.9.99 into android-4.9

2018-05-09 12:28:25 +02:00

cgroup.c

UPSTREAM: bpf: cgroup: fix documentation of __cgroup_bpf_update()

2017-05-30 17:37:48 -07:00

core.c

bpf: fix bpf_jit_limit knob for PAGE_SIZE >= 64K

2023-05-15 14:20:03 +09:00

hashtab.c

bpf: Remove recursion prevention from rcu free callback

2023-05-16 09:15:40 +09:00

helpers.c

bpf: direct packet write and access for helpers for clsact progs

2016-09-20 23:32:11 -04:00

inode.c

BACKPORT: fix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'"

2018-03-14 11:39:19 -07:00

Makefile

bpf: silence warning messages in core

2023-05-15 14:00:42 +09:00

percpu_freelist.c

bpf: fix lockdep splat

2017-12-14 09:28:23 +01:00

percpu_freelist.h

bpf: introduce percpu_freelist

2016-03-08 15:28:31 -05:00

stackmap.c

bpf: Check for integer overflow when using roundup_pow_of_two()

2023-05-16 10:35:58 +09:00

syscall.c

bpf: Explicitly memset the bpf_attr structure

2023-05-15 17:12:39 +09:00

verifier.c

bpf: Fix buggy rsh min/max bounds tracking

2023-05-16 10:32:46 +09:00