On Fri, May 15, 2020 at 09:13:57PM +0100, Al Viro wrote:
> On Sat, May 16, 2020 at 12:36:28AM +0900, Tetsuo Handa wrote:
> > On 2020/05/16 0:18, Tetsuo Handa wrote:
[snip]
> > A similar bug (racing inode destruction with open() on proc filesystem) was
> > fixed as
> > commit 6f7c41374b62fd80 ("tom
Al Viro writes:
> On Sat, May 16, 2020 at 12:36:28AM +0900, Tetsuo Handa wrote:
>> On 2020/05/16 0:18, Tetsuo Handa wrote:
>> > This is
>> >
>> > if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
>> > char *ep;
>> > const pid_t pid = (pid_t) simple_str
On Sat, May 16, 2020 at 12:36:28AM +0900, Tetsuo Handa wrote:
> On 2020/05/16 0:18, Tetsuo Handa wrote:
> > This is
> >
> > if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
> > char *ep;
> > const pid_t pid = (pid_t) simple_strtoul(pos + 1, &ep, 10);
>
On Fri, May 15, 2020 at 01:16:59PM -0500, Eric W. Biederman wrote:
> Tetsuo Handa writes:
>
> > This is
> >
> > if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
> > char *ep;
> > const pid_t pid = (pid_t) simple_strtoul(pos + 1, &ep, 10);
> >
Tetsuo Handa writes:
> This is
>
> if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
> char *ep;
> const pid_t pid = (pid_t) simple_strtoul(pos + 1, &ep, 10);
> struct pid_namespace *proc_pidns =
> proc_pid_ns(d_inode(dentry)); // <= he
On 2020/05/16 0:18, Tetsuo Handa wrote:
> This is
>
> if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
> char *ep;
> const pid_t pid = (pid_t) simple_strtoul(pos + 1, &ep, 10);
> struct pid_namespace *proc_pidns =
> proc_pid_ns(d_inode(
This is
if (sb->s_magic == PROC_SUPER_MAGIC && *pos == '/') {
char *ep;
const pid_t pid = (pid_t) simple_strtoul(pos + 1, &ep, 10);
struct pid_namespace *proc_pidns =
proc_pid_ns(d_inode(dentry)); // <= here
if (*ep == '/' &
Hello,
syzbot found the following crash on:
HEAD commit:bdecf38f Add linux-next specific files for 20200515
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=155a43b210
kernel config: https://syzkaller.appspot.com/x/.config?x=27a5e30c87a59937
dashboard
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