From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F33DE77197 for ; Sat, 4 Jan 2025 04:47:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C860F6B0082; Fri, 3 Jan 2025 23:47:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C36E86B0088; Fri, 3 Jan 2025 23:47:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AFD766B0089; Fri, 3 Jan 2025 23:47:30 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 8E3E56B0082 for ; Fri, 3 Jan 2025 23:47:30 -0500 (EST) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 08175B00E7 for ; Sat, 4 Jan 2025 04:47:30 +0000 (UTC) X-FDA: 82968535860.20.BAEDB68 Received: from mail-io1-f77.google.com (mail-io1-f77.google.com [209.85.166.77]) by imf22.hostedemail.com (Postfix) with ESMTP id 4A47FC0008 for ; Sat, 4 Jan 2025 04:47:28 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=none; spf=pass (imf22.hostedemail.com: domain of 3X714ZwkbAP4y45qgrrkxgvvoj.muumrk0ykxiutzktz.ius@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.77 as permitted sender) smtp.mailfrom=3X714ZwkbAP4y45qgrrkxgvvoj.muumrk0ykxiutzktz.ius@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1735966048; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=w+eAegMw/zFe577Wn3cNUiojLlobGznPJZ85zO5qI1s=; b=OHd6kc3qmBI426Q3k6k2pehWKnuQs6++lNoXGbIIPgMuRPAGpLK8T8mPF3EH9F6+IpQALN JwU8fMGBpIZ1BbZ6i9APQNXhaoacIOXZVdbQ4M/As2sf/R5jHY0N8+Yd9jVy5DBfL12tQj Gx3i9oWyFlm1lM7Nuz41sxQDEr1odsQ= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=none; spf=pass (imf22.hostedemail.com: domain of 3X714ZwkbAP4y45qgrrkxgvvoj.muumrk0ykxiutzktz.ius@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.77 as permitted sender) smtp.mailfrom=3X714ZwkbAP4y45qgrrkxgvvoj.muumrk0ykxiutzktz.ius@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1735966048; a=rsa-sha256; cv=none; b=l82nObjW6QvoS/4AmpgrQOnR9B5k2GORHnr5MZLD0PzvSmtYPpFl8R5tigSdFSfZI1QLQh OTHexJD4IfHSL0KEqkJxBW49dGRBxDUULJuc3Hx+YE47N/9Bu+NnoCdTj7zeelKhklMKzm IlVKYHidihnFI/tIQ+MOcphmSdlWWNk= Received: by mail-io1-f77.google.com with SMTP id ca18e2360f4ac-844e344b0b5so1186594339f.0 for ; Fri, 03 Jan 2025 20:47:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735966047; x=1736570847; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=w+eAegMw/zFe577Wn3cNUiojLlobGznPJZ85zO5qI1s=; b=ZJCY+He5F5GZbyDpOAUBn1sE3C5GCr0HY01bq9S8npZsjdQ3NdipC8wwajCz7qOCQg LrwpJt2h+r7MtBIoU4JL1q67jLTq+JRBsAZz+YkcVylrZBNzKt2Cl8GJX542XMRDi5Ja GyNAFgxehNPzgVI9eak0YE3wh9jOjG6sBNJitfRfihNZrbHFl7KBlPUDYn1b5F0x8zIG YW1pbsWKRBCLJhQPTNboKjKYaHvMNKk4CvoZPDtzVz93Z4WorHOjg67D5nzj6/twHlCI vmFOqZFYN4cw2BnIMoBRvrLxYKQGoa3CUq4kIX6pr6EN0LLUy8wgDzpiygkq8XDK2FHE dc7g== X-Forwarded-Encrypted: i=1; AJvYcCW3YfpmL6YG1d3jdIXDUPL0w1RnNYUk2GKmp22jn3TcHv4MY/fqhWQKZUq4Kl30WfOh4u+lYo/0Dw==@kvack.org X-Gm-Message-State: AOJu0Yw6HEiNYicZ+nevqvzL25k6UrrthzBtpT3vYKu6uQgH+mdzEg1/ s2HcC0dDeMbfM1Gcr+0A+SSkCg5WgwOMrODlT7ZT7lBGUJwFkLccaJ/XSjJsq3vBJcBcivVBwWS MJHj5bUlSMSwToYajF+0PciqJBHtxMADLM7yA6itq5WmL+BMxO+MuYc0= X-Google-Smtp-Source: AGHT+IH2e/1eJ/6nRj86OcNKHNruaqYPQZnrYPAkC5mBe7zARWHlpKlAkcr91thYMU0BbBg1/5drYNCiLpbWYyPkwb3aLpkUPRF7 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3210:b0:3a0:9c99:32d6 with SMTP id e9e14a558f8ab-3c2d54349admr404716935ab.24.1735966047297; Fri, 03 Jan 2025 20:47:27 -0800 (PST) Date: Fri, 03 Jan 2025 20:47:27 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6778bd5f.050a0220.7f35c.0001.GAE@google.com> Subject: [syzbot] [mm?] INFO: rcu detected stall in task_numa_work (2) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, martin.lau@linux.dev, netdev@vger.kernel.org, sdf@fomichev.me, song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 4A47FC0008 X-Rspam-User: X-Stat-Signature: e7fb1bfh8s8771pfz33ufymjnptydm3u X-HE-Tag: 1735966048-197041 X-HE-Meta: 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 CBgnIMZP XHImnrSwFODvomKHwAuZsImvNfrChIV3tTu5L5dIEgAWL8u3pWDYQJewzqyWivwpOnEOpAsimBfEfvwY60siwJMoBU72RCMndvu29D7d6gafc0Xv1r2B6ZB6htDt59l9wzCzYt9AfZWyW86HnMCUWaHTn3tpvCwuU7aU9wOFkKAE9JNXXD5bMQsO5iEJP7jlypI2qmZsCMI58nvPVtul+OpXuYSUZkiiB/BPaLjN+La5SCuNVHI/VSbkqNnX6QQxVTvSLTwqMHSG0d/yNcuNYGlBMh4ZCutwhQO54RKjur+MomSjHKHfNqNdpNV7EHDn80mfiGEWXQNiIvHq8fPVC/VtuIPDvUiMPc3x0PdkpjosNcjHEh7OLnQxhcIgf1eY4QRuXZ3O+CoetpMDxMZVLSzsunsQOZNbfrWox39WSCCBit6eocY8nRnuXDE/MYXH4nIKRzSIO6U2TdCsablA8ji5U5VNPBnWYWrNFO1rwcOuopU7y28QkXTgfZYuQc3eiXsk4nBbl6vqHGUWgAgQrQCmlF0QGpzyGoHksjJqPFjahmukJGzbDqbEsVOK9vAx2xI0mu6LcReazA29eECZZTLeL+Y8s3fCEgXRj+5EJ8cyzwGPZ+qghTB227lpgqKArsynqhMO6fF/PDMoFgWrSXBST5UJ00tHNj3Fn/swRQftYNAam6rEjf546GpAi43TYCx3V4XuZ4oCYvrmWtK8M9R/BtWt1Wmb/Za4kCWOP5DrdFgA2JRZUWqFv2zKFWcZW+3UVIezENKRI02LESLTrkBXuV8uUpe+7m1eUxs5W47xB5B9ELglpw6zHsuWmBuYaH0zTFKwit3+/hgH4sjxcVRRrsAFOPqM6QeIK70U0RzL6goP/k3RewbYW81tJpNGzm6defWAGSIc2I2izuTOr+I2ShQje8+T1R2R4CIQ+T1Y1I8klCE0YE/5t9NN6j/yPL56VHjFUUzoSnQIZI1IDMqcBk+vn pMfGnQmy RJh1s0Hv9N1uolqxI5MhFDQBA2yZ+4NpuYJUCFhp6k2yw9arRYZ4BYXDMoe94e4mghuXY/QQX8fe3/LzFrtVI60c4C65IxKVwE1JQllY4AMcAZW3TrrrN3X0saFgPETKQHazXDRi775E4/3+KZuHT4GnfuwaBaamo+R6qMU3a2CAZ122JnN1JKT+LegKoFt5/FWXZ1JnRtma2WyjvCDktKW1Fvh+6R4k4LaWRkH4LnugBGZJUY4pp5ewG7QrxFxL4LitNJFPUkWVj8LlTl4m/GkhD3s06/3AsrXkuoYbRVJFH6lPStyIm9RGJAFGLuvyogsQkUvaBnMoo7NUoiH3FSonzYWweDouGKMCSqy8Nwr6BzZDFN/eF4eu7hCn4y047HrGeYauW++iXZYB1FZL5s68F5NVY1MTER1lp/LMIm7F3gIiUp3lK6fK1ScQJ2NoV1hahzIuM8RaPxFbrpsf3zZ4LSCZ0lm5KK46p826zbQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 9268abe611b0 Merge branch 'net-lan969x-add-rgmii-support' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=156e88b0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b087c24b921cdc16 dashboard link: https://syzkaller.appspot.com/bug?extid=06d48cbf3e767907cec2 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10651818580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1202eac4580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8274f60b0163/disk-9268abe6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f7b3fde537e7/vmlinux-9268abe6.xz kernel image: https://storage.googleapis.com/syzbot-assets/db4cccf7caae/bzImage-9268abe6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+06d48cbf3e767907cec2@syzkaller.appspotmail.com bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5865/2:b..l rcu: (detected by 0, t=10503 jiffies, g=7645, q=122 ncpus=2) task:syz-executor118 state:R running task stack:19936 pid:5865 tgid:5865 ppid:5860 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853 Code: 2b 00 74 08 4c 89 f7 e8 9a 23 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc9000408f3c0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000811e84 RCX: ffff88807ef5c6d8 RDX: dffffc0000000000 RSI: ffffffff8c0aa960 RDI: ffffffff8c5faee0 RBP: ffffc9000408f510 R08: ffffffff942bc887 R09: 1ffffffff2857910 R10: dffffc0000000000 R11: fffffbfff2857911 R12: 1ffff92000811e80 R13: dffffc0000000000 R14: ffffc9000408f420 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:772 kernel_text_address+0xa7/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 save_stack+0xfb/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x430 mm/page_owner.c:297 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2657 discard_slab mm/slub.c:2688 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3157 put_cpu_partial+0x17c/0x250 mm/slub.c:3232 __slab_free+0x290/0x380 mm/slub.c:4483 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4329 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] task_numa_work+0xad5/0x14b0 kernel/sched/fair.c:3407 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faf0e7f728a RSP: 002b:00007ffc20bea148 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 RAX: 0000000000000000 RBX: 000000000000004a RCX: 00007faf0e7f728a RDX: 00007ffc20bea170 RSI: 00007ffc20bea200 RDI: 00000000ffffff9c RBP: 00007ffc20bea200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffc20beb270 R13: 000055557d6a56c0 R14: 00007ffc20beb2b0 R15: 000000000000000d rcu: rcu_preempt kthread starved for 7869 jiffies! g7645 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26264 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216 Code: 8b 3d 74 8f 8f 0c 48 89 de 5b e9 63 f0 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 00 d6 03 00 65 8b 15 00 62 64 7e 81 e2 00 01 ff 00 RSP: 0018:ffffc90000156db8 EFLAGS: 00000246 RAX: ffffffff8a91fc9d RBX: 00000000000048e0 RCX: ffff88801cad5a00 RDX: ffff88801cad5a00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880b203a173 R08: ffffffff8a91fc92 R09: ffffffff8a91fa99 R10: 0000000000000003 R11: ffff88801cad5a00 R12: 0000000000000000 R13: ffff8881426b0800 R14: ffff888034f80e08 R15: ffff8881426b0818 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd0e05e580 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: br_flood+0x2cd/0x680 net/bridge/br_forward.c:232 br_handle_frame_finish+0x18d2/0x2000 net/bridge/br_input.c:220 br_nf_hook_thresh+0x472/0x590 br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0 NF_HOOK include/linux/netfilter.h:314 [inline] br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_bridge_pre net/bridge/br_input.c:282 [inline] br_handle_frame+0x9f3/0x1530 net/bridge/br_input.c:433 __netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5566 __netif_receive_skb_one_core net/core/dev.c:5670 [inline] __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785 process_backlog+0x662/0x15b0 net/core/dev.c:6117 __napi_poll+0xcb/0x490 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:7074 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup