This one points to a bug that was fixed in commit dc4501ff2875 ("tipc: fix a
double free in tipc_enable_bearer()").
That commit was applied to 4.20, but is not present in 4.16, which caused this
dump.
To get further with this I need a dump of the actual crash in 4.20 or 5.0.
Maybe we are looking at two different problems here?
///jon
> -----Original Message-----
> From: [email protected] <[email protected]>
> On Behalf Of syzbot
> Sent: 19-Mar-19 18:24
> To: [email protected]; [email protected]; Jon Maloy
> <[email protected]>; [email protected];
> [email protected]; [email protected]; syzkaller-
> [email protected]; [email protected];
> [email protected]
> Subject: Re: general protection fault in dst_dev_put (2)
>
> syzbot has bisected this bug to:
>
> commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81
> Author: Jon Maloy <[email protected]>
> Date: Thu Mar 22 19:42:52 2018 +0000
>
> tipc: obtain node identity from interface by default
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1631fc2b200000
> start commit: 52dfae5c tipc: obtain node identity from interface by defa..
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=1531fc2b200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1131fc2b200000
> kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=9d4c12bfd45a58738d0a
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17254878c00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=171ca5df400000
>
> Reported-by: [email protected]
> Fixes: 52dfae5c ("tipc: obtain node identity from interface by default")
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