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| author | Jakub Kicinski <kuba@kernel.org> | 2023-01-20 23:28:23 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-01-20 23:28:23 +0300 |
| commit | b3c588cd553d6996cc97f3dc0a7081b9a9b36b48 (patch) | |
| tree | 37e51018ad3f74bf91a7b4a54a0893d048440bd1 /kernel/trace/bpf_trace.c | |
| parent | 7a590bd6b42ffa12b16956f37742cc04ec15545e (diff) | |
| parent | 5deaa98587aca2f0e7605388e89cfa1df4bad5cb (diff) | |
| download | linux-b3c588cd553d6996cc97f3dc0a7081b9a9b36b48.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ipa/ipa_interrupt.c
drivers/net/ipa/ipa_interrupt.h
9ec9b2a30853 ("net: ipa: disable ipa interrupt during suspend")
8e461e1f092b ("net: ipa: introduce ipa_interrupt_enable()")
d50ed3558719 ("net: ipa: enable IPA interrupt handlers separate from registration")
https://lore.kernel.org/all/20230119114125.5182c7ab@canb.auug.org.au/
https://lore.kernel.org/all/79e46152-8043-a512-79d9-c3b905462774@tessares.net/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/trace/bpf_trace.c')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 23ce498bca97..c3f008ac3e42 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -846,6 +846,9 @@ static int bpf_send_signal_common(u32 sig, enum pid_type type) return -EPERM; if (unlikely(!nmi_uaccess_okay())) return -EPERM; + /* Task should not be pid=1 to avoid kernel panic. */ + if (unlikely(is_global_init(current))) + return -EPERM; if (irqs_disabled()) { /* Do an early check on signal validity. Otherwise, |