* Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page [not found] <000000000000da4f6b05eb9bf593@google.com> @ 2023-06-11 21:18 ` syzbot 2023-06-12 3:30 ` Christoph Hellwig 0 siblings, 1 reply; 3+ messages in thread From: syzbot @ 2023-06-11 21:18 UTC (permalink / raw) To: axboe, dsterba, hch, konishi.ryusuke, linux-block, linux-fsdevel, linux-kernel, linux-nilfs, syzkaller-bugs, wqu syzbot has bisected this issue to: commit 4a445b7b6178d88956192c0202463063f52e8667 Author: Qu Wenruo <wqu@suse.com> Date: Sat Aug 13 08:06:53 2022 +0000 btrfs: don't merge pages into bio if their page offset is not contiguous bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17778475280000 start commit: 022ce8862dff Merge tag 'i2c-for-6.4-rc6' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f78475280000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f78475280000 kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4 dashboard link: https://syzkaller.appspot.com/bug?extid=53369d11851d8f26735c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13e9d48b280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12d7fa63280000 Reported-by: syzbot+53369d11851d8f26735c@syzkaller.appspotmail.com Fixes: 4a445b7b6178 ("btrfs: don't merge pages into bio if their page offset is not contiguous") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page 2023-06-11 21:18 ` [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page syzbot @ 2023-06-12 3:30 ` Christoph Hellwig 2023-06-12 3:59 ` Ryusuke Konishi 0 siblings, 1 reply; 3+ messages in thread From: Christoph Hellwig @ 2023-06-12 3:30 UTC (permalink / raw) To: syzbot Cc: axboe, dsterba, hch, konishi.ryusuke, linux-block, linux-fsdevel, linux-kernel, linux-nilfs, syzkaller-bugs, wqu On Sun, Jun 11, 2023 at 02:18:29PM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit 4a445b7b6178d88956192c0202463063f52e8667 > Author: Qu Wenruo <wqu@suse.com> > Date: Sat Aug 13 08:06:53 2022 +0000 > > btrfs: don't merge pages into bio if their page offset is not contiguous I can't see how that btrfs commit would affect nilfs2.. ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page 2023-06-12 3:30 ` Christoph Hellwig @ 2023-06-12 3:59 ` Ryusuke Konishi 0 siblings, 0 replies; 3+ messages in thread From: Ryusuke Konishi @ 2023-06-12 3:59 UTC (permalink / raw) To: Christoph Hellwig Cc: syzbot, axboe, dsterba, linux-block, linux-fsdevel, linux-kernel, linux-nilfs, syzkaller-bugs, wqu On Mon, Jun 12, 2023 at 12:30 PM Christoph Hellwig wrote: > > On Sun, Jun 11, 2023 at 02:18:29PM -0700, syzbot wrote: > > syzbot has bisected this issue to: > > > > commit 4a445b7b6178d88956192c0202463063f52e8667 > > Author: Qu Wenruo <wqu@suse.com> > > Date: Sat Aug 13 08:06:53 2022 +0000 > > > > btrfs: don't merge pages into bio if their page offset is not contiguous > > I can't see how that btrfs commit would affect nilfs2.. Yeah, I think this bisection result is wrong. I have already posted a bug-fix patch titled "nilfs2: prevent general protection fault in nilfs_clear_dirty_page()" for this issue. Thanks, Ryusuke Konishi ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-06-12 4:00 UTC | newest]
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2023-06-11 21:18 ` [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page syzbot
2023-06-12 3:30 ` Christoph Hellwig
2023-06-12 3:59 ` Ryusuke Konishi
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