Messages in this thread | | | Date | Tue, 19 Dec 2017 10:01:21 +0100 | From | Greg KH <> | Subject | Re: WARNING in sysfs_warn_dup |
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On Mon, Dec 18, 2017 at 08:57:01AM -0800, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 6084b576dca2e898f5c101baef151f7bfdbb606d > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > netlink: 9 bytes leftover after parsing attributes in process > `syz-executor3'. > sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing > data in; > program syz-executor0 not setting count and/or reply_len properly > sg_write: data in/out 262364/161 bytes for SCSI command 0xff-- guessing data > in; > program syz-executor0 not setting count and/or reply_len properly > WARNING: CPU: 1 PID: 22282 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x60/0x80 > fs/sysfs/dir.c:30 > Kernel panic - not syncing: panic_on_warn set ...
Looks like a networking issue, it tried to create two sysfs directories with the same name, which isn't a sysfs bug :)
thanks,
greg k-h
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