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 EB951C02198 for ; Fri, 14 Feb 2025 19:59:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8A934280001; Fri, 14 Feb 2025 14:59:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 831F16B0085; Fri, 14 Feb 2025 14:59:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6D285280001; Fri, 14 Feb 2025 14:59:30 -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 4C8566B0083 for ; Fri, 14 Feb 2025 14:59:30 -0500 (EST) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id E932E808ED for ; Fri, 14 Feb 2025 19:59:29 +0000 (UTC) X-FDA: 83119614858.20.35BF0E3 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) by imf24.hostedemail.com (Postfix) with ESMTP id 4BF61180005 for ; Fri, 14 Feb 2025 19:59:28 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf24.hostedemail.com: domain of 3n6CvZwkbAOIWcdOEPPIVETTMH.KSSKPIYWIVGSRXIRX.GSQ@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.206 as permitted sender) smtp.mailfrom=3n6CvZwkbAOIWcdOEPPIVETTMH.KSSKPIYWIVGSRXIRX.GSQ@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1739563168; 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=KDuOjrRUrb0U1jcqyVueLA+YxDCkAKQwCHQkO72+FCI=; b=q90Kd5+phgrN5YoImkU2+sEFv/qYtlo9T8d0ed/ASqulEuHdW/9kSHI4W48+knb7nbzW90 suZtvS48/KLjvwCSsS/B89QcP1QGk+SfvmudnLHjNFfgI68CdhACOLv5s9/SX1mj2B5J6W Stij7/IYalFsE7CsVxZRlTJYrKB8CLE= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf24.hostedemail.com: domain of 3n6CvZwkbAOIWcdOEPPIVETTMH.KSSKPIYWIVGSRXIRX.GSQ@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.206 as permitted sender) smtp.mailfrom=3n6CvZwkbAOIWcdOEPPIVETTMH.KSSKPIYWIVGSRXIRX.GSQ@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1739563168; a=rsa-sha256; cv=none; b=lib8QxCpdTuIv4DEbITNHcYXwlyerDdioRjnQL9W27UaF4lBJdAlvUkBpFtvPfwwhbSra3 BxDOo0zTnOqoyBBwUyBVycp4J4pAPKByQIB8RZtVBIO1l12iSkxTEgk5I3xZDETLsl5wqZ CA3yB2VfKnDhpR8/10ldKDp56KJRjH4= Received: by mail-il1-f206.google.com with SMTP id e9e14a558f8ab-3cf64584097so19891215ab.2 for ; Fri, 14 Feb 2025 11:59:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739563167; x=1740167967; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=KDuOjrRUrb0U1jcqyVueLA+YxDCkAKQwCHQkO72+FCI=; b=ElA/+zZ3+KuY6Xl+pIUMJAiIPhM6T0roeg8Ye2oHklZEd0Pd5hJbyzCAQOuL/fI191 TqoNi8Fsb3RwOLPozR+cVzhlHskyj7Vef0EMKbJrwlXEFeAlXtT0ppGbtqllrIy1EDHv YYuwkPAynyp5l5AaI9WykFQfSRjEWweJfAcfBJWI5caXS+ggv+mniqebzvgrJprugNDS XEmTdYNptmTZUKg0/utLNNUxOfnF0FRpvSk9gv+MFS3aLTVtnwstp1ZD9++VchLefstp ZbJeZaIIKAcHUfL1FMkyGs92snfJ6bjfGsaDv4UNWNMzdWnrMJnzdDOg7rQdE6dGJl4d TLGA== X-Forwarded-Encrypted: i=1; AJvYcCUdLRxG2df4Du+AmoQ6pJpgfCWosvXt+ya9t6h+0Wt0NvpOUjyPIyd7aEhfeKfEGUuOCpZqPjghvg==@kvack.org X-Gm-Message-State: AOJu0Yzkz9dBKaREeGnzh8b/YnEapIfEqR1N5TUKxzvtVqPu4tqBGm/r d8aasejSBypBHx8QgQckCnAYjteIhj3h5osp1pJQsp6ksUKGrT26NcJQYpHu+r3p5PCOOOhjlcl rL6bXqV9+GEBieaAXnVcD4gg/z8ptc9tN6HoG3VFkcEXFo1cTb/sVWxw= X-Google-Smtp-Source: AGHT+IGG3lKBu/c5iNjFr7CQYPql+sKaNdxY1YeAGzwFOlzeBE5B0+K2PeKlPHLTGCWJKixlExD8nPjoWX6W9EfrDqWIGqf0E4SF MIME-Version: 1.0 X-Received: by 2002:a92:ca05:0:b0:3cf:f844:68eb with SMTP id e9e14a558f8ab-3d2807b1b42mr5697835ab.4.1739563167393; Fri, 14 Feb 2025 11:59:27 -0800 (PST) Date: Fri, 14 Feb 2025 11:59:27 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67afa09f.050a0220.21dd3.0053.GAE@google.com> Subject: [syzbot] [mm?] [bcachefs?] KASAN: slab-out-of-bounds Read in folio_try_get From: syzbot To: akpm@linux-foundation.org, hughd@google.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 4BF61180005 X-Stat-Signature: zh4un818tdhpbhf9xmhnnqd7h45cfjao X-HE-Tag: 1739563168-736220 X-HE-Meta: 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 QEgnSMFG 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 XZjS02Ub 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 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: ab68d7eb7b1a Merge tag 'loongarch-fixes-6.14-1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10550f18580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3c2347dd6174fbe2 dashboard link: https://syzkaller.appspot.com/bug?extid=2110ef46097c323451eb 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=14550f18580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170061a4580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-ab68d7eb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c21c98f96a97/vmlinux-ab68d7eb.xz kernel image: https://storage.googleapis.com/syzbot-assets/d84966ad5d14/bzImage-ab68d7eb.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/156e52e4f0ef/mount_2.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2110ef46097c323451eb@syzkaller.appspotmail.com ================================================================== BUG: KASAN: slab-out-of-bounds in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: slab-out-of-bounds in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] BUG: KASAN: slab-out-of-bounds in page_ref_count include/linux/page_ref.h:67 [inline] BUG: KASAN: slab-out-of-bounds in page_ref_add_unless include/linux/page_ref.h:237 [inline] BUG: KASAN: slab-out-of-bounds in folio_ref_add_unless include/linux/page_ref.h:248 [inline] BUG: KASAN: slab-out-of-bounds in folio_try_get+0xde/0x350 include/linux/page_ref.h:264 Read of size 4 at addr ffff88804f904b34 by task syz-executor127/5388 CPU: 0 UID: 0 PID: 5388 Comm: syz-executor127 Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] page_ref_count include/linux/page_ref.h:67 [inline] page_ref_add_unless include/linux/page_ref.h:237 [inline] folio_ref_add_unless include/linux/page_ref.h:248 [inline] folio_try_get+0xde/0x350 include/linux/page_ref.h:264 filemap_get_entry+0x240/0x3b0 mm/filemap.c:1870 shmem_get_folio_gfp+0x285/0x1840 mm/shmem.c:2446 shmem_get_folio mm/shmem.c:2628 [inline] shmem_write_begin+0x165/0x350 mm/shmem.c:3278 generic_perform_write+0x346/0x990 mm/filemap.c:4189 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3454 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb60d00ef1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 19 81 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 6c 81 02 00 48 RSP: 002b:00007fb60c7b9fb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb60c7b9ff0 RCX: 00007fb60d00ef1f RDX: 0000000001000000 RSI: 00007fb604200000 RDI: 0000000000000003 RBP: 00007fb60d0976e0 R08: 0000000000000000 R09: 000000000000590c R10: 0000000000000002 R11: 0000000000000293 R12: 00007fb60d0976ec R13: 00007fb60c7ba030 R14: 0000000000000003 R15: 00007ffe9f1d73d8 The buggy address belongs to the object at ffff88804f904b00 which belongs to the cache radix_tree_node of size 576 The buggy address is located 52 bytes inside of allocated 576-byte region [ffff88804f904b00, ffff88804f904d40) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f904 head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff88804054b581 flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000040 ffff88801ac4fdc0 dead000000000122 0000000000000000 raw: 0000000000000000 00000000800b000b 00000000f5000000 ffff88804054b581 head: 04fff00000000040 ffff88801ac4fdc0 dead000000000122 0000000000000000 head: 0000000000000000 00000000800b000b 00000000f5000000 ffff88804054b581 head: 04fff00000000001 ffffea00013e4101 ffffffffffffffff 0000000000000000 head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Reclaimable, gfp_mask 0x52810(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_RECLAIMABLE), pid 5382, tgid 5381 (syz-executor127), ts 127092553802, free_ts 126870415360 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab+0x8f/0x3a0 mm/slub.c:2587 new_slab mm/slub.c:2640 [inline] ___slab_alloc+0xc27/0x14a0 mm/slub.c:3826 __slab_alloc+0x58/0xa0 mm/slub.c:3916 __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] kmem_cache_alloc_lru_noprof+0x26c/0x390 mm/slub.c:4183 xas_alloc lib/xarray.c:377 [inline] xas_create+0x10d0/0x1ae0 lib/xarray.c:684 xas_store+0x96/0x1870 lib/xarray.c:794 shmem_add_to_page_cache+0x89d/0xcc0 mm/shmem.c:897 shmem_alloc_and_add_folio+0x968/0x1090 mm/shmem.c:1928 shmem_get_folio_gfp+0x621/0x1840 mm/shmem.c:2522 shmem_get_folio mm/shmem.c:2628 [inline] shmem_write_begin+0x165/0x350 mm/shmem.c:3278 generic_perform_write+0x346/0x990 mm/filemap.c:4189 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3454 page last free pid 5392 tgid 5392 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] __free_pages_ok+0xbbf/0xe40 mm/page_alloc.c:1271 __folio_put+0x2b3/0x360 mm/swap.c:112 folio_put include/linux/mm.h:1489 [inline] free_large_kmalloc+0xfe/0x180 mm/slub.c:4728 kfree+0x212/0x430 mm/slub.c:4751 btree_bounce_free fs/bcachefs/btree_io.c:111 [inline] bch2_btree_node_read_done+0x3b1f/0x5f70 fs/bcachefs/btree_io.c:1243 btree_node_read_work+0x6dc/0x1380 fs/bcachefs/btree_io.c:1358 bch2_btree_node_read+0x2433/0x29f0 bch2_btree_node_fill+0xca6/0x1370 fs/bcachefs/btree_cache.c:993 bch2_btree_node_get_noiter+0x9d5/0xf70 fs/bcachefs/btree_cache.c:1260 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:84 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:213 [inline] read_btree_nodes_worker+0x1355/0x21f0 fs/bcachefs/btree_node_scan.c:262 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff88804f904a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88804f904a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88804f904b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88804f904b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88804f904c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== --- 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