* Re: general protection fault in put_pid [not found] <00000000000051ee78057cc4d98f@google.com> @ 2019-03-27 20:10 ` syzbot 2019-03-27 20:27 ` Matthew Wilcox 2019-11-07 13:42 ` syzbot 1 sibling, 1 reply; 4+ messages in thread From: syzbot @ 2019-03-27 20:10 UTC (permalink / raw) To: akpm, clm, dan.carpenter, dave, dhowells, dsterba, dvyukov, ebiederm, jbacik, ktkhai, ktsanaktsidis, linux-btrfs, linux-kernel, linux-mm, manfred, mhocko, nborisov, penguin-kernel, penguin-kernel, rppt, sfr, shakeelb, syzkaller-bugs, vdavydov.dev, willy syzbot has bisected this bug to: commit b9b8a41adeff5666b402996020b698504c927353 Author: Dan Carpenter <dan.carpenter@oracle.com> Date: Mon Aug 20 08:25:33 2018 +0000 btrfs: use after free in btrfs_quota_enable bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14155a1f200000 start commit: f5d58277 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16155a1f200000 console output: https://syzkaller.appspot.com/x/log.txt?x=12155a1f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23 dashboard link: https://syzkaller.appspot.com/bug?extid=1145ec2e23165570c3ac syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16803afb400000 Reported-by: syzbot+1145ec2e23165570c3ac@syzkaller.appspotmail.com Fixes: b9b8a41adeff ("btrfs: use after free in btrfs_quota_enable") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: general protection fault in put_pid 2019-03-27 20:10 ` general protection fault in put_pid syzbot @ 2019-03-27 20:27 ` Matthew Wilcox 2019-03-27 22:51 ` David Sterba 0 siblings, 1 reply; 4+ messages in thread From: Matthew Wilcox @ 2019-03-27 20:27 UTC (permalink / raw) To: syzbot Cc: akpm, clm, dan.carpenter, dave, dhowells, dsterba, dvyukov, ebiederm, jbacik, ktkhai, ktsanaktsidis, linux-btrfs, linux-kernel, linux-mm, manfred, mhocko, nborisov, penguin-kernel, rppt, sfr, shakeelb, syzkaller-bugs, vdavydov.dev On Wed, Mar 27, 2019 at 01:10:01PM -0700, syzbot wrote: > syzbot has bisected this bug to: > > commit b9b8a41adeff5666b402996020b698504c927353 > Author: Dan Carpenter <dan.carpenter@oracle.com> > Date: Mon Aug 20 08:25:33 2018 +0000 > > btrfs: use after free in btrfs_quota_enable Not plausible. Try again. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: general protection fault in put_pid 2019-03-27 20:27 ` Matthew Wilcox @ 2019-03-27 22:51 ` David Sterba 0 siblings, 0 replies; 4+ messages in thread From: David Sterba @ 2019-03-27 22:51 UTC (permalink / raw) To: Matthew Wilcox Cc: syzbot, akpm, clm, dan.carpenter, dave, dhowells, dsterba, dvyukov, ebiederm, jbacik, ktkhai, ktsanaktsidis, linux-btrfs, linux-kernel, linux-mm, manfred, mhocko, nborisov, penguin-kernel, rppt, sfr, shakeelb, syzkaller-bugs, vdavydov.dev On Wed, Mar 27, 2019 at 01:27:12PM -0700, Matthew Wilcox wrote: > On Wed, Mar 27, 2019 at 01:10:01PM -0700, syzbot wrote: > > syzbot has bisected this bug to: > > > > commit b9b8a41adeff5666b402996020b698504c927353 > > Author: Dan Carpenter <dan.carpenter@oracle.com> > > Date: Mon Aug 20 08:25:33 2018 +0000 > > > > btrfs: use after free in btrfs_quota_enable > > Not plausible. Try again. Agreed, grep for 'btrfs' in the console log does not show anything, ie. no messages, slab caches nor functions on the stack. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: general protection fault in put_pid [not found] <00000000000051ee78057cc4d98f@google.com> 2019-03-27 20:10 ` general protection fault in put_pid syzbot @ 2019-11-07 13:42 ` syzbot 1 sibling, 0 replies; 4+ messages in thread From: syzbot @ 2019-11-07 13:42 UTC (permalink / raw) To: akpm, aryabinin, bp, cai, clm, dan.carpenter, dave, dhowells, dsterba, dsterba, dvyukov, ebiederm, glider, hpa, jbacik, ktkhai, ktsanaktsidis, linux-btrfs, linux-kernel, linux-mm, manfred, mhocko, mingo, nborisov, penguin-kernel, penguin-kernel, rppt, sfr, shakeelb, syzkaller-bugs, tglx, torvalds, vdavydov.dev, willy syzbot suspects this bug was fixed by commit: commit a8e911d13540487942d53137c156bd7707f66e5d Author: Qian Cai <cai@lca.pw> Date: Fri Feb 1 22:20:20 2019 +0000 x86_64: increase stack size for KASAN_EXTRA bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10364f3c600000 start commit: f5d58277 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23 dashboard link: https://syzkaller.appspot.com/bug?extid=1145ec2e23165570c3ac syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16803afb400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: x86_64: increase stack size for KASAN_EXTRA For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 4+ messages in thread
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2019-03-27 20:10 ` general protection fault in put_pid syzbot
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2019-03-27 22:51 ` David Sterba
2019-11-07 13:42 ` syzbot
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