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Thu, 06 Feb 2025 01:59:19 -0800 (PST) Date: Thu, 06 Feb 2025 01:59:19 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a487f7.050a0220.19061f.05fc.GAE@google.com> Subject: [syzbot] [mm?] WARNING in fsnotify_file_area_perm From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: etpt49jr84ksp81cbr4tqfy47oxdbsxx X-Rspam-User: X-Rspamd-Queue-Id: 1D42B4001D X-Rspamd-Server: rspam03 X-HE-Tag: 1738835959-150270 X-HE-Meta: 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 c0Do2IyT 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 GTnrd2D2 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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: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=135c1724580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158 dashboard link: https://syzkaller.appspot.com/bug?extid=7229071b47908b19d5b7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-69e858e0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a53b888c1f3f/vmlinux-69e858e0.xz kernel image: https://storage.googleapis.com/syzbot-assets/6b5e17edafc0/bzImage-69e858e0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7229071b47908b19d5b7@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 32768 XFS: ikeep mount option is deprecated. XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop0): Ending clean mount XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5321 at ./include/linux/fsnotify.h:145 fsnotify_file_area_perm+0x1e5/0x250 include/linux/fsnotify.h:145 Modules linked in: CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:fsnotify_file_area_perm+0x1e5/0x250 include/linux/fsnotify.h:145 Code: c3 cc cc cc cc e8 fb 8f c6 ff 49 83 ec 80 4c 89 e7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 01 9f 00 00 e8 dc 8f c6 ff 90 <0f> 0b 90 e9 0a ff ff ff 48 c7 c1 10 73 1b 90 80 e1 07 80 c1 03 38 RSP: 0018:ffffc9000d416320 EFLAGS: 00010283 RAX: ffffffff81f8dce4 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000e5c2000 RSI: 00000000000008fa RDI: 00000000000008fb RBP: 0000000000008000 R08: ffffffff81f8dbdc R09: 1ffff110087dca2e R10: dffffc0000000000 R11: ffffed10087dca2f R12: ffff888033d4b1c0 R13: 0000000000000010 R14: dffffc0000000000 R15: ffffc9000d416460 FS: 00007f5bca7346c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000033fd2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_fault+0x14a9/0x16c0 mm/filemap.c:3509 __do_fault+0x135/0x390 mm/memory.c:4977 do_read_fault mm/memory.c:5392 [inline] do_fault mm/memory.c:5526 [inline] do_pte_missing mm/memory.c:4047 [inline] handle_pte_fault mm/memory.c:5889 [inline] __handle_mm_fault+0x4c44/0x70f0 mm/memory.c:6032 handle_mm_fault+0x3e5/0x8d0 mm/memory.c:6201 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x1a92/0x4140 mm/gup.c:1491 __get_user_pages_locked mm/gup.c:1757 [inline] __gup_longterm_locked+0xe64/0x17f0 mm/gup.c:2529 gup_fast_fallback+0x2266/0x29c0 mm/gup.c:3430 pin_user_pages_fast+0xcc/0x160 mm/gup.c:3536 iov_iter_extract_user_pages lib/iov_iter.c:1844 [inline] iov_iter_extract_pages+0x3bb/0x5c0 lib/iov_iter.c:1907 __bio_iov_iter_get_pages block/bio.c:1181 [inline] bio_iov_iter_get_pages+0x4f1/0x1460 block/bio.c:1263 iomap_dio_bio_iter+0xc9c/0x1740 fs/iomap/direct-io.c:406 __iomap_dio_rw+0x13b7/0x25b0 fs/iomap/direct-io.c:703 iomap_dio_rw+0x46/0xa0 fs/iomap/direct-io.c:792 xfs_file_dio_write_unaligned+0x2ef/0x6f0 fs/xfs/xfs_file.c:692 xfs_file_dio_write fs/xfs/xfs_file.c:725 [inline] xfs_file_write_iter+0x5c6/0x720 fs/xfs/xfs_file.c:876 do_iter_readv_writev+0x71a/0x9d0 vfs_writev+0x38b/0xbc0 fs/read_write.c:1050 do_pwritev fs/read_write.c:1146 [inline] __do_sys_pwritev2 fs/read_write.c:1204 [inline] __se_sys_pwritev2+0x196/0x2b0 fs/read_write.c:1195 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: 0033:0x7f5bc998cda9 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:00007f5bca734038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f5bc9ba5fa0 RCX: 00007f5bc998cda9 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 00007f5bc9a0e2a0 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000007c00 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5bc9ba5fa0 R15: 00007fff90caf808 --- 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 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