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AJvYcCU8f0/o7KNHcpFxSRszapQd6A9CAVWLTDHngAfxLn7T9V36QUhaoHqfXM238HcKES0pveb6G3Ac9g==@kvack.org X-Gm-Message-State: AOJu0Yz1h1UCPtFwbdbqQjeInLLQskcMbZsh+dKFPovgMgzeYAs2eMuO SVxhSaJXik9+VymC++dh2VXgr0BNtHYVWr0PCW/SNu8fKC+T6a4YoN1L5dzEC/sok2mNXHy6gaq CFsjvCV4wf/W5Q6bSWCfun/RSkW9uS6SGuIc+fo6hRzJB0OFIwsz2D2g= X-Google-Smtp-Source: AGHT+IG74rtUmbr6oVpAITqb5HMhTmZw/OXHJJEsyuNpUxV07+977/pIcoXboNKzmKnEV8sTVRbTPflIaEqWOTT8j2dzscbRLGXo MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1f02:b0:3a7:c5b1:a55e with SMTP id e9e14a558f8ab-3ce3a7a8aa1mr111951245ab.0.1736589242917; Sat, 11 Jan 2025 01:54:02 -0800 (PST) Date: Sat, 11 Jan 2025 01:54:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67823fba.050a0220.216c54.001c.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in __folio_rmap_sanity_checks (2) From: syzbot To: akpm@linux-foundation.org, david@redhat.com, hdanton@sina.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: D32FE1C0005 X-Stat-Signature: mydt64i7eotzhhpb799e56misgppfasg X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1736589243-565783 X-HE-Meta: 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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 __folio_rmap_sanity_checks page last free pid 7533 tgid 7532 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706 folios_put_refs+0x76c/0x860 mm/swap.c:962 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 iomap_write_failed fs/iomap/buffered-io.c:668 [inline] iomap_write_iter fs/iomap/buffered-io.c:999 [inline] iomap_file_buffered_write+0xca5/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7538 at ./include/linux/rmap.h:216 __folio_rmap_sanity_checks+0x33f/0x590 include/linux/rmap.h:216 Modules linked in: CPU: 0 UID: 0 PID: 7538 Comm: syz.1.57 Not tainted 6.13.0-rc6-syzkaller-gcd6313beaeae #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__folio_rmap_sanity_checks+0x33f/0x590 include/linux/rmap.h:216 Code: 0f 0b 90 e9 b7 fd ff ff e8 ee af ab ff 48 ff cb e9 f8 fd ff ff e8 e1 af ab ff 4c 89 e7 48 c7 c6 c0 9c 15 8c e8 82 6f f5 ff 90 <0f> 0b 90 e9 e9 fd ff ff e8 c4 af ab ff 48 ff cb e9 34 fe ff ff e8 RSP: 0018:ffffc9000c38efd8 EFLAGS: 00010246 RAX: f8a45fcd41963a00 RBX: ffffea00014f8000 RCX: ffffc9000c38eb03 RDX: 0000000000000005 RSI: ffffffff8c0aa3e0 RDI: ffffffff8c5fa860 RBP: 0000000000013186 R08: ffffffff901978b7 R09: 1ffffffff2032f16 R10: dffffc0000000000 R11: fffffbfff2032f17 R12: ffffea00014f0000 R13: ffffea00014f8080 R14: 0000000000000000 R15: 0000000000000002 FS: 00007f14451f96c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000073716000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __folio_add_rmap mm/rmap.c:1170 [inline] __folio_add_file_rmap mm/rmap.c:1489 [inline] folio_add_file_rmap_ptes+0x82/0x380 mm/rmap.c:1511 set_pte_range+0x30c/0x750 mm/memory.c:5065 filemap_map_folio_range mm/filemap.c:3563 [inline] filemap_map_pages+0xfbe/0x1900 mm/filemap.c:3672 do_fault_around mm/memory.c:5280 [inline] do_read_fault mm/memory.c:5313 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing mm/memory.c:3979 [inline] handle_pte_fault+0x3888/0x5ed0 mm/memory.c:5801 __handle_mm_fault mm/memory.c:5944 [inline] handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x1c82/0x49e0 mm/gup.c:1494 populate_vma_page_range+0x264/0x330 mm/gup.c:1932 __mm_populate+0x27a/0x460 mm/gup.c:2035 mm_populate include/linux/mm.h:3397 [inline] vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:580 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:546 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: 0033:0x7f1445385d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f14451f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f1445575fa0 RCX: 00007f1445385d29 RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f1445401b08 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1445575fa0 R15: 00007ffe4c3a7978 Tested on: commit: cd6313be Revert "vmstat: disable vmstat_work on vmstat.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm mm-stable console output: https://syzkaller.appspot.com/x/log.txt?x=10b34bc4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d18955ff6936aa88 dashboard link: https://syzkaller.appspot.com/bug?extid=c0673e1f1f054fac28c2 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.