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 04A40C54E5D for ; Mon, 18 Mar 2024 20:52:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8ECD58E0005; Mon, 18 Mar 2024 16:52:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 89D188E0001; Mon, 18 Mar 2024 16:52:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 78D1A8E0005; Mon, 18 Mar 2024 16:52:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 638A18E0001 for ; Mon, 18 Mar 2024 16:52:05 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 3A00E160208 for ; Mon, 18 Mar 2024 20:52:05 +0000 (UTC) X-FDA: 81911357010.12.9367433 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by imf30.hostedemail.com (Postfix) with ESMTP id 7F72780004 for ; Mon, 18 Mar 2024 20:52:03 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=none; spf=pass (imf30.hostedemail.com: domain of 3cqn4ZQkbAN0RXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.199 as permitted sender) smtp.mailfrom=3cqn4ZQkbAN0RXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@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=1710795123; a=rsa-sha256; cv=none; b=WzBr2IE6JihgvRpI6LO3H3ixQQQKqd0pT443Pjzdx3ZsxYQymJgFpkf6oGjfFDOd+mp2e4 yDcyPkWuhpW/2KA8jLMyWRwzcoBMihneL/6QoKe31ZThAaXz+zQB5BrFqvEHeelwqlXm74 F32RFjnH7BW6zPoZLvbqTqsgmUXK/sE= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=none; spf=pass (imf30.hostedemail.com: domain of 3cqn4ZQkbAN0RXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.199 as permitted sender) smtp.mailfrom=3cqn4ZQkbAN0RXYJ9KKDQ9OOHC.FNNFKDTRDQBNMSDMS.BNL@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=1710795123; 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:in-reply-to:references; bh=IPRKdmMv9VGR7u9mGNuOA5GolZfpzVmf+geOTdGMtGI=; b=A0kcMXrvpJ41an/JWjdrCEfGwq9asRYqp4yE/aZ+AIfd7fCffBKH+Q7CuBzLREDlYI/4Q/ sUFrNnt0FXBgOIFAU5qYfTP83TqcdQPQv5wp0DiLP12q1J/99or/VqK+8k4uIp/B0lgDNv RNkmbjZLJ/4TJeiAjwpAthyEy2Ql7sY= Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3662e583684so62253875ab.2 for ; Mon, 18 Mar 2024 13:52:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710795122; x=1711399922; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IPRKdmMv9VGR7u9mGNuOA5GolZfpzVmf+geOTdGMtGI=; b=F38yZ10RDfR/h1CM/zun22jNT2QvAe3rkfJpvIkqF/tiEQzFfNjIkTh6LYsw7d11xg QFfY3nRyV6sXHpxeWbV54rJSlmrgmWxW5ZwpbaFEU+QOWMLA/l70UUOAlybdr+QrA5mA RE+hSats3L6qTd4TaSiv4WzxbU9UJN7Z/DVF7e7USkgM/dhiYgBuie6EMpbAZyklvqht oZtZk+0Z1kaQ4EZPI2Z7Vfn1qAFoN/g9VqZ9K+Lt7qPqIdeZ8Z4pu9qxEjZCAcn1bDmh 0iTMPiEfWujyU3NY9jf4H1o4hOsR3Jfu13h1Mp1XFLB9fQ0IvOh06pw61PGPLdkNimdT 0U7g== X-Forwarded-Encrypted: i=1; AJvYcCWoRPS/Kc5oZ9njBdslQ8gqLXlUDdNcZdzvEQFCQdY0EP91AiXlM9APXZF0grfScAPfRgLUqToVcpdVDW6m4FYC11k= X-Gm-Message-State: AOJu0YwJHMFzv7aoU0A03t0Y0ElTsX9Y/fmAEvRn/hYUZJzJ7H+e+TVO uG5lkyy4H04lPRToOU4ULMEwa/Rs46RsE6KUgHpBzRbrnOO4E7UQz+yZSQ5cjflji3Lbwjddqin rqWCuPApdQcbXfd4o/2GX1jb6QoDoacX0kdQIf36wO01gLAIyeVmFOGM= X-Google-Smtp-Source: AGHT+IHXI+OIILEa0jZdjsW0+t1H2RQUmkH69aO9YyE7mppvpnn9ibbZfBaJlRoL7j31p2ZQbD5nLLPRuKJR5Mi2Ok1++lX6jyKL MIME-Version: 1.0 X-Received: by 2002:a92:cd83:0:b0:366:c326:f305 with SMTP id r3-20020a92cd83000000b00366c326f305mr22043ilb.4.1710795122674; Mon, 18 Mar 2024 13:52:02 -0700 (PDT) Date: Mon, 18 Mar 2024 13:52:02 -0700 In-Reply-To: <20240318204212.36505-1-21cnbao@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009221d60613f58726@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in sg_init_one From: syzbot To: 21cnbao@gmail.com, akpm@linux-foundation.org, chengming.zhou@linux.dev, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, nphamcs@gmail.com, syzkaller-bugs@googlegroups.com, yosryahmed@google.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 7F72780004 X-Stat-Signature: 9tgigix3rkezgforsofciorjf197ms74 X-HE-Tag: 1710795123-667441 X-HE-Meta: U2FsdGVkX183ACVQbLYQorQVkBD+cqZ4fixZTlgJYYyDpudLjwFNXW/fUh0mdZVB81VBg/bxTog1z/1Z2WqTr0tpJwyNu0Kt5IheTcPJK/0dGOQcw1isS0eBiNnbc1ciw7XcRW6w/O+p1vwCbwDChJokSFpZk3DfjK5XwQlrEhe/PSucqLEURR0QZesV3mxjfEbxC6XDqFHpSzVHj6YvJUxDgXCL7SDjcNS1e9xrJ4BFV3ZS2GD9I++gcmhhQt2K9Q5ab1bG6J1kZI5ouC7rtRIB1zs9sJmU6DHnnpfBpCUTFdVT1eB/QJbYTcmO78CT8JvbywYlDLjGYku/HxR6dodPHULtNtAy5Zz4DLE9AYqHAsQJK7ofAxrpRFZM2BKmj1kYzDvkfk+q4JBXSyA08k6wNT5t3HJw9BaLLnY2vm8fY3Rh8+rV1tCXYbv2mXfpd9ZMXiQyGZYrxhZG/abcSATQD9PP4cWEgnPYqvD7SnXDx6YMQLqSOrir30aTtNFTZi5aj6nu8sFt54J62gadT5PPAg0JZvjeecEcfMMDg780j+RfvLrdPlwBiE953kBFLovPtk4C1IQKpuukXPS4KTr1tKgYJICnrIrEEnH2g4KEb+3PVgLvuMzQM8i8WTRbPo4vN3t0BBVvAn6E6E2vff7g6dsIciDkbQiX7aiKcwsl5LpUytrvoKqJLv6cqA1wRFUIYjZVESyuGyexcoS6OlzvxzQtO2EqUzfwaf40MezKTQ2RLqTYm+pJt9C9O3GxhbsoOtSZ7O6u3N5bCu1yLY56a6im4NoX+7PebxqhEykJVMk4QcI0xYfDxDL+hZbM8u8A4ELAdUr+6QmvXb1A0ZTnI7+6czWeIOI4EcrOH4vrBJKsIGoS3ADt3l7P9OTTe0cUbBB7je1MmdU+KdxtK7ZTLHSXjKrJvmcUBQv12ohQBvQ81nv5VpJWtMkn65QjMyVtp1wtsZS/90S3vRS F3CGxMdE 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 wxCEx2ti 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 has tested the proposed patch but the reproducer is still triggering an issue: WARNING in __kmap_to_page ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3529 at mm/highmem.c:167 __kmap_to_page+0x100/0x194 mm/highmem.c:167 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 3529 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<8185fe64>] (dump_backtrace) from [<8185ff60>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:82622e44 r5:00000000 r4:81fc00fc [<8185ff48>] (show_stack) from [<8187d720>] (__dump_stack lib/dump_stack.c:88 [inline]) [<8185ff48>] (show_stack) from [<8187d720>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:114) [<8187d6cc>] (dump_stack_lvl) from [<8187d760>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:82857d18 [<8187d748>] (dump_stack) from [<81860a08>] (panic+0x120/0x358 kernel/panic.c:348) [<818608e8>] (panic) from [<80243844>] (check_panic_on_warn kernel/panic.c:241 [inline]) [<818608e8>] (panic) from [<80243844>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c584 r2:00000001 r1:81fa8e48 r0:81fb09f0 r7:80477264 [<802437d0>] (check_panic_on_warn) from [<80243a38>] (__warn+0x7c/0x180 kernel/panic.c:694) [<802439bc>] (__warn) from [<80243cb4>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:719) r8:00000009 r7:81fd71bc r6:df9b1bf4 r5:83682400 r4:00000000 [<80243b40>] (warn_slowpath_fmt) from [<80477264>] (__kmap_to_page+0x100/0x194 mm/highmem.c:167) r10:00000000 r9:ff7e7f14 r8:83e402c0 r7:dedf0b48 r6:800fd004 r5:ffefd000 r4:7fefd004 [<80477164>] (__kmap_to_page) from [<804c248c>] (kmap_to_page include/linux/highmem-internal.h:63 [inline]) [<80477164>] (__kmap_to_page) from [<804c248c>] (zswap_decompress+0xc0/0x23c mm/zswap.c:1090) r9:ff7e7f14 r8:83e402c0 r7:dedf0b48 r6:ffefd004 r5:840fb8e8 r4:ff7e7ef4 [<804c23cc>] (zswap_decompress) from [<804c449c>] (zswap_load+0x15c/0x198 mm/zswap.c:1638) r9:846e3240 r8:846e3240 r7:846e3244 r6:dedf0b48 r5:00000010 r4:840fb8e8 [<804c4340>] (zswap_load) from [<804b9644>] (swap_read_folio+0xa8/0x498 mm/page_io.c:518) r9:8420fa00 r8:83682400 r7:00000000 r6:df9b1d4c r5:00000000 r4:dedf0b48 [<804b959c>] (swap_read_folio) from [<804bb064>] (swap_cluster_readahead+0x1c4/0x34c mm/swap_state.c:684) r10:00000000 r9:00000017 r8:df9b1d4b r7:00000000 r6:00000000 r5:00100cca r4:00000010 [<804baea0>] (swap_cluster_readahead) from [<804bb3b8>] (swapin_readahead+0x68/0x4a8 mm/swap_state.c:904) r10:df9b1eb8 r9:00000000 r8:00100cca r7:8371e2a0 r6:00000012 r5:00000000 r4:00000001 [<804bb350>] (swapin_readahead) from [<8047cde0>] (do_swap_page+0x200/0xcc4 mm/memory.c:4046) r10:00000040 r9:00000000 r8:8420fa00 r7:8371e2a0 r6:00000012 r5:00000000 r4:df9b1eb8 [<8047cbe0>] (do_swap_page) from [<8047e6c4>] (handle_pte_fault mm/memory.c:5301 [inline]) [<8047cbe0>] (do_swap_page) from [<8047e6c4>] (__handle_mm_fault mm/memory.c:5439 [inline]) [<8047cbe0>] (do_swap_page) from [<8047e6c4>] (handle_mm_fault+0x3d8/0x12b8 mm/memory.c:5604) r10:00000040 r9:83dfb900 r8:83682400 r7:8371e2a0 r6:001403b8 r5:83682400 r4:00001254 [<8047e2ec>] (handle_mm_fault) from [<80215da8>] (do_page_fault+0x1c8/0x3a8 arch/arm/mm/fault.c:292) r10:00000007 r9:83dfb900 r8:83682400 r7:00000207 r6:00000254 r5:001403b8 r4:df9b1fb0 [<80215be0>] (do_page_fault) from [<80216170>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:558) r10:7eded670 r9:00000000 r8:80215be0 r7:df9b1fb0 r6:001403b8 r5:00000207 r4:8261d0e0 [<80216138>] (do_DataAbort) from [<80200e3c>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427) Exception stack(0xdf9b1fb0 to 0xdf9b1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000002 7eded61c 00000000 000001f4 00140000 00000000 7eded670 00001238 1fe0: 00000000 7eded5a8 00000001 00021804 60000010 ffffffff r8:824a9044 r7:83682400 r6:ffffffff r5:60000010 r4:00021804 Rebooting in 86400 seconds.. Tested on: commit: e5eb28f6 Merge tag 'mm-nonmm-stable-2024-03-14-09-36' .. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=1491ea6e180000 kernel config: https://syzkaller.appspot.com/x/.config?x=19bb57c23dffc38e dashboard link: https://syzkaller.appspot.com/bug?extid=adbc983a1588b7805de3 compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm patch: https://syzkaller.appspot.com/x/patch.diff?x=12651546180000