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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-23 15:38:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-23 15:38:08 +0100
commite3e9fc7fa7ad221cc2e7b207d514cc84ed393251 (patch)
tree7de34df1844075bd3ed0391546d74ae9dab5fcae /kernel/trace/bpf_trace.c
parentdd2f003e4e85b154754d5a83e0c3b1b517d1f802 (diff)
parent2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff)
Merge 6.2-rc5 into usb-next
We need the USB fixes in here and this resolves merge conflicts as reported in linux-next in the following files: drivers/usb/host/xhci.c drivers/usb/host/xhci.h drivers/usb/typec/ucsi/ucsi.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/bpf_trace.c')
-rw-r--r--kernel/trace/bpf_trace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 3bbd3f0c810c..f47274de012b 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -848,6 +848,9 @@ 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,