Andrii Nakryiko e0f557ad55 libbpf: don't close(-1) in multi-uprobe feature detector ...

commit 7d0b3953f6 upstream.

Guard close(link_fd) with extra link_fd >= 0 check to prevent close(-1).

Detected by Coverity static analysis.

Fixes: 04d939a2ab ("libbpf: detect broken PID filtering logic for multi-uprobe")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20240529231212.768828-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-07-11 12:51:24 +02:00

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accounting

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arch

arm64/sysreg: Update PIE permission encodings

2024-06-27 13:52:14 +02:00

bootconfig

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bpf

bpf: Fix potential integer overflow in resolve_btfids

2024-06-12 11:39:48 +02:00

build

perf: build: introduce the libcapstone

2024-02-20 18:06:25 -08:00

certs

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cgroup

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counter

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crypto

crypto: ccp - Update return values for some unit tests

2024-02-24 08:41:20 +08:00

debugging

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firewire

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firmware

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gpio

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hv

hv/hv_kvp_daemon: Handle IPv4 and Ipv6 combination for keyfile format

2024-04-10 21:25:40 +00:00

iio

tools: iio: replace seekdir() in iio_generic_buffer

2024-01-23 22:06:56 +00:00

include

bpf: Pack struct bpf_fib_lookup

2024-05-30 09:44:16 +02:00

kvm/kvm_stat

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laptop

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leds

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lib

libbpf: don't close(-1) in multi-uprobe feature detector

2024-07-11 12:51:24 +02:00

memory-model

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mm

tools/mm: add thpmaps script to dump THP usage info

2024-02-22 10:24:38 -08:00

net/ynl

tools: ynl: don't ignore errors in NLMSG_DONE messages

2024-04-23 15:37:33 +02:00

objtool

objtool: Fix compile failure when using the x32 compiler

2024-03-30 22:12:37 +01:00

pci

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pcmcia

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perf

perf script: Show also errors for --insn-trace option

2024-06-21 14:40:31 +02:00

power

tools/power turbostat: Avoid possible memory corruption due to sparse topology IDs

2024-07-11 12:51:06 +02:00

rcu

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scripts

treewide: remove meaningless assignments in Makefiles

2024-02-23 14:19:07 -08:00

spi

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testing

selftests/harness: Fix tests timeout and race condition

2024-07-11 12:51:20 +02:00

thermal

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time

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tracing

rtla/auto-analysis: Replace \t with spaces

2024-06-21 14:40:36 +02:00

usb

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verification

tools/verification: Use tools/build makefiles on rv

2024-03-20 05:39:06 +01:00

virtio

tools: virtio: introduce vhost_net_test

2024-03-05 11:38:14 +01:00

wmi

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workqueue

workqueue: Implement BH workqueues to eventually replace tasklets

2024-02-04 11:28:06 -10:00

Makefile

tools/Makefile: remove cgroup target

2024-03-26 11:07:21 -07:00