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proc: Remove empty line in /proc/self/status

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Prevent an empty line in /proc/self/status, allow iotop to work.

iotop does not like empty lines, fails with:
  File "/usr/local/lib64/python2.7/site-packages/iotop/data.py", line
196, in parse_proc_pid_status
    key, value = line.split(':\t', 1)
ValueError: need more than 1 value to unpack

[reading /proc/self/status]

Fixes: 84964fa3e5a0 ("proc: Provide details on speculation flaw mitigations")
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gwendal Grignou
2019-01-14 10:13:36 -08:00
committed by Greg Kroah-Hartman
parent 9e86549c56
commit b820fe255e
1 changed files with 1 additions and 1 deletions
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2
fs/proc/array.c
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@@ -333,7 +333,7 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
#ifdef CONFIG_SECCOMP
seq_printf(m, "Seccomp:\t%d\n", p->seccomp.mode);
#endif
seq_printf(m, "\nSpeculation_Store_Bypass:\t");
seq_printf(m, "Speculation_Store_Bypass:\t");
switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) {
case -EINVAL:
seq_printf(m, "unknown");