On Tue, 14 May 2024 at 14:41, Siddharth Chintamaneni <sidchintamaneni@xxxxxxxxx> wrote: > > This patch is a revised version which addresses a possible deadlock issue in > queue and stack map types. > > Deadlock could happen when a nested BPF program acquires the same lock > as the parent BPF program to perform a write operation on the same map > as the first one. This bug is also reported by syzbot. > > Link: https://lore.kernel.org/lkml/0000000000004c3fc90615f37756@xxxxxxxxxx/ > Reported-by: syzbot+8bdfc2c53fb2b63e1871@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: f1a2e44a3aec ("bpf: add queue and stack maps") > Signed-off-by: Siddharth Chintamaneni <sidchintamaneni@xxxxxxxxx> > --- Acked-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx> There are a couple of extra newlines, it's minor but can also fix them if you respin.