The local lock itself will be removed by mm: mmap_lock: replace get_memcg_path_buf() with on-stack buffer but is there possibility that this bpf program forms an infinite recursion (kernel stack overflow) bug? On 2024/07/03 3:54, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: a12978712d90 selftests/bpf: Move ARRAY_SIZE to bpf_misc.h > git tree: bpf-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=130457fa980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=736daf12bd72e034 > dashboard link: https://syzkaller.appspot.com/bug?extid=16b6ab88e66b34d09014 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=125718be980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14528876980000