/* Copyright (c) 2016 Facebook * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. */ #include #include #include #include "bpf_helpers.h" #define _(P) ({typeof(P) val = 0; bpf_probe_read(&val, sizeof(val), &P); val;}) SEC("kprobe/__set_task_comm") int prog(struct pt_regs *ctx) { struct signal_struct *signal; struct task_struct *tsk; char oldcomm[16] = {}; char newcomm[16] = {}; u16 oom_score_adj; u32 pid; tsk = (void *)PT_REGS_PARM1(ctx); pid = _(tsk->pid); bpf_probe_read(oldcomm, sizeof(oldcomm), &tsk->comm); bpf_probe_read(newcomm, sizeof(newcomm), (void *)PT_REGS_PARM2(ctx)); signal = _(tsk->signal); oom_score_adj = _(signal->oom_score_adj); return 0; } SEC("kprobe/urandom_read") int prog2(struct pt_regs *ctx) { return 0; } char _license[] SEC("license") = "GPL"; u32 _version SEC("version") = LINUX_VERSION_CODE; onchange='this.form.submit();'> net-next plumbingsTobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-27 12:25:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-27 12:25:26 -0800
commit69978aa0f21f43529e11f924504dadb6ce2f229a (patch)
treecad7f9c9b01b7d1839a3d12e9178ceb5b2b33873 /net/tipc/discover.c
parent2b4321503e62523e701405163a034875e92d68cf (diff)
parent0d6da872d3e4a60f43c295386d7ff9a4cdcd57e9 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky: "Another two bug fixes: - ptrace partial write information leak - a guest page hinting regression introduced with v4.6" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/mm: Fix cmma unused transfer from pgste into pte s390/ptrace: Preserve previous registers for short regset write
Diffstat (limited to 'net/tipc/discover.c')