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Thu, 16 Dec 2021 06:57:13 -0800 (PST) MIME-Version: 1.0 References: <20211213165342.74704-12-songmuchun@bytedance.com> <20211216130102.GE10708@xsang-OptiPlex-9020> In-Reply-To: <20211216130102.GE10708@xsang-OptiPlex-9020> From: Muchun Song Date: Thu, 16 Dec 2021 22:56:36 +0800 Message-ID: Subject: Re: [External] [mm] 86cda95957: BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h To: kernel test robot Cc: 0day robot , LKML , lkp@lists.01.org, willy@infradead.org, akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, shakeelb@google.com, guro@fb.com, shy828301@gmail.com, alexs@kernel.org, richard.weiyang@gmail.com, david@fromorbit.com, trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, jaegeuk@kernel.org, chao@kernel.org, kari.argillander@gmail.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, zhengqi.arch@bytedance.com, duanxiongchun@bytedance.com, fam.zheng@bytedance.com, smuchun@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 16, 2021 at 9:01 PM kernel test robot wrote: > > > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 86cda9595796e709c444b93df1f27a2343c5fa06 ("[PATCH v4 11/17] mm: list_lru: allocate list_lru_one only when needed") > url: https://github.com/0day-ci/linux/commits/Muchun-Song/Optimize-list-lru-memory-consumption/20211214-010208 > base: https://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs.git dev-test > patch link: https://lore.kernel.org/linux-fsdevel/20211213165342.74704-12-songmuchun@bytedance.com > > in testcase: xfstests > version: xfstests-x86_64-972d710-1_20211215 > with following parameters: > > disk: 4HDD > fs: xfs > test: xfs-reflink-25 > ucode: 0x28 > > test-description: xfstests is a regression test suite for xfs and other files ystems. > test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git > > > on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > > erial console /d[ 14.815233][ T356] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:230 > [ 14.827152][ T356] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 356, name: useradd > [ 14.835607][ T356] preempt_count: 1, expected: 0 > [ 14.840274][ T356] CPU: 4 PID: 356 Comm: useradd Not tainted 5.16.0-rc1-00032-g86cda9595796 #1 > ev/ttyS0 > [ 14.848903][ T356] Hardware name: Dell Inc. OptiPlex 9020/03CPWF, BIOS A11 04/01/2015 > [ 14.857606][ T356] Call Trace: > [ 14.860732][ T356] > [ 14.863515][ T356] dump_stack_lvl (lib/dump_stack.c:107) > [ 14.867859][ T356] __might_resched.cold (kernel/sched/core.c:9543 kernel/sched/core.c:9496) > [ 14.872889][ T356] ? memcg_list_lru_alloc (include/linux/slab.h:598 mm/list_lru.c:354 mm/list_lru.c:586) > [ 14.878083][ T356] __kmalloc (include/linux/sched/mm.h:230 mm/slab.h:509 mm/slub.c:3148 mm/slub.c:3242 mm/slub.c:4433) > [ 14.882177][ T356] ? is_bpf_text_address (arch/x86/include/asm/preempt.h:85 include/linux/rcupdate.h:73 include/linux/rcupdate.h:720 kernel/bpf/core.c:717) > [ 14.887129][ T356] memcg_list_lru_alloc (include/linux/slab.h:598 mm/list_lru.c:354 mm/list_lru.c:586) > [ 14.892166][ T356] ? xas_alloc (lib/xarray.c:374) > [ 14.896421][ T356] kmem_cache_alloc_lru (include/linux/cgroup.h:403 mm/slab.h:295 mm/slab.h:514 mm/slub.c:3148 mm/slub.c:3242 mm/slub.c:3249 mm/slub.c:3266) > [ 14.901367][ T356] xas_alloc (lib/xarray.c:374) Thanks for reporting this. It was caused when rebasing the code. Will fix.