* Re: BUG: unable to handle kernel paging request in ipcget [not found] <001a114441286c0f4f0560fcf1d8@google.com> @ 2017-12-23 9:59 ` Manfred Spraul 2017-12-23 10:07 ` Dmitry Vyukov 0 siblings, 1 reply; 4+ messages in thread From: Manfred Spraul @ 2017-12-23 9:59 UTC (permalink / raw) To: syzbot, akpm, dave, gregkh, guillaume.knispel, keescook, linux-kernel, mhocko, sfr, syzkaller-bugs, syzkaller Hi, On 12/23/2017 08:33 AM, 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. > Is one of the recent issues reproducible? Either something is wrong with the faster ipc_get, or the improved ipc_get makes issues in other areas visible. -- Manfred ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: BUG: unable to handle kernel paging request in ipcget 2017-12-23 9:59 ` BUG: unable to handle kernel paging request in ipcget Manfred Spraul @ 2017-12-23 10:07 ` Dmitry Vyukov 2018-01-02 18:16 ` Kees Cook 0 siblings, 1 reply; 4+ messages in thread From: Dmitry Vyukov @ 2017-12-23 10:07 UTC (permalink / raw) To: Manfred Spraul Cc: syzbot, Andrew Morton, Davidlohr Bueso, Greg Kroah-Hartman, guillaume.knispel, Kees Cook, LKML, Michal Hocko, Stephen Rothwell, syzkaller-bugs, syzkaller On Sat, Dec 23, 2017 at 10:59 AM, Manfred Spraul <manfred@colorfullife.com> wrote: > Hi, > > On 12/23/2017 08:33 AM, 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. >> > Is one of the recent issues reproducible? Which one do you mean? syzbot always provides up-to-date status of reproducers for all reported bugs. > Either something is wrong with the faster ipc_get, or the improved ipc_get > makes issues in other areas visible. > > -- > Manfred > > -- > You received this message because you are subscribed to the Google Groups > "syzkaller" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to syzkaller+unsubscribe@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: BUG: unable to handle kernel paging request in ipcget 2017-12-23 10:07 ` Dmitry Vyukov @ 2018-01-02 18:16 ` Kees Cook 2018-01-07 11:19 ` Dmitry Vyukov 0 siblings, 1 reply; 4+ messages in thread From: Kees Cook @ 2018-01-02 18:16 UTC (permalink / raw) To: Dmitry Vyukov Cc: Manfred Spraul, syzbot, Andrew Morton, Davidlohr Bueso, Greg Kroah-Hartman, Guillaume Knispel, LKML, Michal Hocko, Stephen Rothwell, syzkaller-bugs, syzkaller On Sat, Dec 23, 2017 at 2:07 AM, Dmitry Vyukov <dvyukov@google.com> wrote: > On Sat, Dec 23, 2017 at 10:59 AM, Manfred Spraul > <manfred@colorfullife.com> wrote: >> Hi, >> >> On 12/23/2017 08:33 AM, 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. >>> >> Is one of the recent issues reproducible? > > Which one do you mean? > syzbot always provides up-to-date status of reproducers for all reported bugs. > >> Either something is wrong with the faster ipc_get, or the improved ipc_get >> makes issues in other areas visible. >> >> -- >> Manfred >> >> -- >> You received this message because you are subscribed to the Google Groups >> "syzkaller" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to syzkaller+unsubscribe@googlegroups.com. >> >> For more options, visit https://groups.google.com/d/optout. Was this report related to the recent set of kmalloc-1024 false positives? -Kees -- Kees Cook Pixel Security ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: BUG: unable to handle kernel paging request in ipcget 2018-01-02 18:16 ` Kees Cook @ 2018-01-07 11:19 ` Dmitry Vyukov 0 siblings, 0 replies; 4+ messages in thread From: Dmitry Vyukov @ 2018-01-07 11:19 UTC (permalink / raw) To: Kees Cook Cc: Manfred Spraul, syzbot, Andrew Morton, Davidlohr Bueso, Greg Kroah-Hartman, Guillaume Knispel, LKML, Michal Hocko, Stephen Rothwell, syzkaller-bugs, syzkaller On Tue, Jan 2, 2018 at 7:16 PM, Kees Cook <keescook@chromium.org> wrote: > On Sat, Dec 23, 2017 at 2:07 AM, Dmitry Vyukov <dvyukov@google.com> wrote: >> On Sat, Dec 23, 2017 at 10:59 AM, Manfred Spraul >> <manfred@colorfullife.com> wrote: >>> Hi, >>> >>> On 12/23/2017 08:33 AM, 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. >>>> >>> Is one of the recent issues reproducible? >> >> Which one do you mean? >> syzbot always provides up-to-date status of reproducers for all reported bugs. >> >>> Either something is wrong with the faster ipc_get, or the improved ipc_get >>> makes issues in other areas visible. > > Was this report related to the recent set of kmalloc-1024 false positives? That's possible. It happened only twice and is unexplainable (right?). Let's do: #syz fix: crypto: pcrypt - fix freeing pcrypt instances and see if this happens again after the commit lands. ^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] <001a114441286c0f4f0560fcf1d8@google.com>
2017-12-23 9:59 ` BUG: unable to handle kernel paging request in ipcget Manfred Spraul
2017-12-23 10:07 ` Dmitry Vyukov
2018-01-02 18:16 ` Kees Cook
2018-01-07 11:19 ` Dmitry Vyukov
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