* Re: [syzbot] BUG: Bad rss-counter state (5) [not found] <0000000000007a211706185338b0@google.com> @ 2024-06-14 15:12 ` syzbot 2024-06-14 15:49 ` Baolin Wang 0 siblings, 1 reply; 5+ messages in thread From: syzbot @ 2024-06-14 15:12 UTC (permalink / raw) To: akpm, baolin.wang, linux-kernel, linux-mm, syzkaller-bugs syzbot has bisected this issue to: commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb Author: Baolin Wang <baolin.wang@linux.alibaba.com> Date: Tue Jun 4 10:17:45 2024 +0000 mm: memory: extend finish_fault() to support large folio bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000 start commit: d35b2284e966 Add linux-next specific files for 20240607 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000 console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a57696980000 Reported-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] BUG: Bad rss-counter state (5) 2024-06-14 15:12 ` [syzbot] BUG: Bad rss-counter state (5) syzbot @ 2024-06-14 15:49 ` Baolin Wang 2024-06-14 15:49 ` syzbot 0 siblings, 1 reply; 5+ messages in thread From: Baolin Wang @ 2024-06-14 15:49 UTC (permalink / raw) To: syzbot, akpm, linux-kernel, linux-mm, syzkaller-bugs On 2024/6/14 23:12, syzbot wrote: > syzbot has bisected this issue to: > > commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb > Author: Baolin Wang <baolin.wang@linux.alibaba.com> > Date: Tue Jun 4 10:17:45 2024 +0000 > > mm: memory: extend finish_fault() to support large folio > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000 > start commit: d35b2284e966 Add linux-next specific files for 20240607 > git tree: linux-next > final oops: https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000 > console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 > dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a57696980000 > > Reported-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com > Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Thanks. Please try the fix in mm-unstable branch #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=4135d2688b42f097f78062ef328f3056db32e3a0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] BUG: Bad rss-counter state (5) 2024-06-14 15:49 ` Baolin Wang @ 2024-06-14 15:49 ` syzbot 2024-06-14 15:50 ` Baolin Wang 0 siblings, 1 reply; 5+ messages in thread From: syzbot @ 2024-06-14 15:49 UTC (permalink / raw) To: baolin.wang; +Cc: akpm, baolin.wang, linux-kernel, linux-mm, syzkaller-bugs > > > On 2024/6/14 23:12, syzbot wrote: >> syzbot has bisected this issue to: >> >> commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb >> Author: Baolin Wang <baolin.wang@linux.alibaba.com> >> Date: Tue Jun 4 10:17:45 2024 +0000 >> >> mm: memory: extend finish_fault() to support large folio >> >> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000 >> start commit: d35b2284e966 Add linux-next specific files for 20240607 >> git tree: linux-next >> final oops: https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000 >> console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 >> dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a57696980000 >> >> Reported-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com >> Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio") >> >> For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > Thanks. Please try the fix in mm-unstable branch > > #syz test: want either no args or 2 args (repo, branch), got 1 > https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=4135d2688b42f097f78062ef328f3056db32e3a0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] BUG: Bad rss-counter state (5) 2024-06-14 15:49 ` syzbot @ 2024-06-14 15:50 ` Baolin Wang 2024-06-14 16:18 ` syzbot 0 siblings, 1 reply; 5+ messages in thread From: Baolin Wang @ 2024-06-14 15:50 UTC (permalink / raw) To: syzbot; +Cc: akpm, linux-kernel, linux-mm, syzkaller-bugs On 2024/6/14 23:49, syzbot wrote: >> >> >> On 2024/6/14 23:12, syzbot wrote: >>> syzbot has bisected this issue to: >>> >>> commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb >>> Author: Baolin Wang <baolin.wang@linux.alibaba.com> >>> Date: Tue Jun 4 10:17:45 2024 +0000 >>> >>> mm: memory: extend finish_fault() to support large folio >>> >>> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000 >>> start commit: d35b2284e966 Add linux-next specific files for 20240607 >>> git tree: linux-next >>> final oops: https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000 >>> console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000 >>> kernel config: https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343 >>> dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d >>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000 >>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a57696980000 >>> >>> Reported-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com >>> Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio") >>> >>> For information about bisection process see: https://goo.gl/tpsmEJ#bisection >> >> Thanks. Please try the fix in mm-unstable branch >> >> #syz test: > > want either no args or 2 args (repo, branch), got 1 > >> https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=4135d2688b42f097f78062ef328f3056db32e3a0 #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] BUG: Bad rss-counter state (5) 2024-06-14 15:50 ` Baolin Wang @ 2024-06-14 16:18 ` syzbot 0 siblings, 0 replies; 5+ messages in thread From: syzbot @ 2024-06-14 16:18 UTC (permalink / raw) To: akpm, baolin.wang, linux-kernel, linux-mm, syzkaller-bugs Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+f2bbbb592debc978d46d@syzkaller.appspotmail.com Tested on: commit: 8d0a686e mm: add swappiness= arg to memory.reclaim git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable console output: https://syzkaller.appspot.com/x/log.txt?x=14d4e154980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fba40c4590d687b dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Note: no patches were applied. Note: testing is done by a robot and is best-effort only. ^ permalink raw reply [flat|nested] 5+ messages in thread
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2024-06-14 15:12 ` [syzbot] BUG: Bad rss-counter state (5) syzbot
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