From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 150702100 for ; Mon, 8 May 2023 16:51:57 +0000 (UTC) Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7057349DC for ; Mon, 8 May 2023 09:51:55 -0700 (PDT) Received: by mail-il1-f208.google.com with SMTP id e9e14a558f8ab-331828cdc2dso31811625ab.3 for ; Mon, 08 May 2023 09:51:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683564714; x=1686156714; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=vKAJIhZErfGgup3nkmbHVmmde/aJfUx7FrW75v72/Oo=; b=LFMaO6044GGDxXUJg04TxYmB8O73k/Ytqcdl/gks+VWrVBumbcEJOg3nnsaW3VfD50 McHY0JSgwUg/uyq7P/rvyEE107TEVABhyP9XT1g2+wmnkbPWnrKRRKvTpkNi2nar96HW HgNyTd51QBE2oXiPEQShPXncIB9hUkbBZCg1cK6e/SdV1AZ/EmV4RYlsuQbNPxcqWlY/ k1I+N+ybnFllBhyahKK5TYdQNOWQNHbxSRTJCTB1bSk0Aww/zTd+ELDb6A41xPUtmcqc xtcWsZTmjtV8z8fEb2ybHDR0qvBJy0Z8jSk2y6S4J58VUEyAvcVGO2snICmyeLHt96my RPVg== X-Gm-Message-State: AC+VfDy4ZE/lkRatrahhI3XKm4xgFOrSh5euHiONmu4yV3MPGJPTuAVW aJxs7N76eEwekbGM9e2GYdiwCBz5VS7dPk7SMh/0AR5wtYnr X-Google-Smtp-Source: ACHHUZ5JJOubbmBPxJ5XWWGE2MpiMMVz5hn+mm+ERj/WNuPOsCoXJb04UrJqpPDqksAfiumYkuEN1C1KdqsHp6WWDEdPaEZw2B8r Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:d4ce:0:b0:32a:9e86:242f with SMTP id o14-20020a92d4ce000000b0032a9e86242fmr5968170ilm.6.1683564714802; Mon, 08 May 2023 09:51:54 -0700 (PDT) Date: Mon, 08 May 2023 09:51:54 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c84b4705fb31741e@google.com> Subject: [syzbot] [bpf?] [net?] WARNING: zero-size vmalloc in print_tainted From: syzbot To: andrii@kernel.org, ast@kernel.org, bjorn@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, maciej.fijalkowski@intel.com, magnus.karlsson@intel.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SORTED_RECIPS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hello, syzbot found the following issue on: HEAD commit: 457391b03803 Linux 6.3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1697e9d4280000 kernel config: https://syzkaller.appspot.com/x/.config?x=385e197a58ca4afe dashboard link: https://syzkaller.appspot.com/bug?extid=fae676d3cf469331fc89 compiler: arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15916904280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10910f18280000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/c35b5b2731d2/non_bootable_disk-457391b0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2a1bf3bafeb6/vmlinux-457391b0.xz kernel image: https://storage.googleapis.com/syzbot-assets/21f1e3b4a5a9/zImage-457391b0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fae676d3cf469331fc89@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2949 at mm/vmalloc.c:3132 __vmalloc_node_range+0x44c/0x584 mm/vmalloc.c:3132 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 PID: 2949 Comm: syz-executor398 Not tainted 6.3.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<817b2528>] (dump_backtrace) from [<817b261c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:81d81ac0 r6:82422c04 r5:60000093 r4:81d901cc [<817b2604>] (show_stack) from [<817cec84>] (__dump_stack lib/dump_stack.c:88 [inline]) [<817b2604>] (show_stack) from [<817cec84>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<817cec3c>] (dump_stack_lvl) from [<817ceca8>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:8264dd14 [<817cec90>] (dump_stack) from [<817b3110>] (panic+0x11c/0x36c kernel/panic.c:340) [<817b2ff4>] (panic) from [<802422ec>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8240c488 r2:00000001 r1:81d79fcc r0:81d81ac0 r7:80469ba0 [<80242268>] (check_panic_on_warn) from [<802424e0>] (__warn+0x7c/0x180 kernel/panic.c:673) [<80242464>] (__warn) from [<802426bc>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697) r8:00000009 r7:00000c3c r6:81da5110 r5:8240c954 r4:822ab6bc [<802425e8>] (warn_slowpath_fmt) from [<80469ba0>] (__vmalloc_node_range+0x44c/0x584 mm/vmalloc.c:3132) r10:00000dc0 r9:8410d080 r8:83d04e80 r7:df800000 r6:00004000 r5:00000000 r4:00000000 [<80469754>] (__vmalloc_node_range) from [<80469db0>] (vmalloc_user+0x6c/0x74 mm/vmalloc.c:3359) r10:00000126 r9:8410d080 r8:83d04e80 r7:00000000 r6:00000000 r5:842aa940 r4:00000000 [<80469d44>] (vmalloc_user) from [<81767778>] (xskq_create+0x74/0xc4 net/xdp/xsk_queue.c:39) [<81767704>] (xskq_create) from [<81766c64>] (xsk_init_queue net/xdp/xsk.c:756 [inline]) [<81767704>] (xskq_create) from [<81766c64>] (xsk_setsockopt+0x1c0/0x2bc net/xdp/xsk.c:1080) r7:83d04eac r6:83d04c00 r5:00000000 r4:00000003 [<81766aa8>] (xsk_setsockopt) from [<812f6720>] (__sys_setsockopt+0xd4/0x1c8 net/socket.c:2271) r8:80200288 r7:00000126 r6:000118b0 r5:81766aa4 r4:844eb900 [<812f664c>] (__sys_setsockopt) from [<812f6830>] (__do_sys_setsockopt net/socket.c:2282 [inline]) [<812f664c>] (__sys_setsockopt) from [<812f6830>] (sys_setsockopt+0x1c/0x24 net/socket.c:2279) r5:00000000 r4:00000020 [<812f6814>] (sys_setsockopt) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xdf981fa8 to 0xdf981ff0) 1fa0: 00000020 00000000 00000003 0000011b 00000003 20000040 1fc0: 00000020 00000000 000118b0 00000126 000f4240 00000000 00000000 00003a97 1fe0: 7e9b4c90 7e9b4c80 00010624 0002a900 Rebooting in 86400 seconds.. --- 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 bug is already fixed, 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 change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup