Hello, syzbot found the following issue on:
HEAD commit: 228a1157fb9f Merge tag '6.13-rc-part1-SMB3-client-fixes' o.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=1374b6e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=402159daa216c89d dashboard link: https://syzkaller.appspot.com/bug?extid=82064afd8bd59070fc22 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=1774b6e8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1335975f980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d32a8e8c5aae/disk-228a1157.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/28d5c070092e/vmlinux-228a1157.xz kernel image: https://storage.googleapis.com/syzbot-assets/45af4bfd9e8e/bzImage-228a1157.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/1e2338334d9b/mount_0.gz The issue was bisected to: commit 4c8ff7095bef64fc47e996a938f7d57f9e077da3 Author: Chao Yu <yuch...@huawei.com> Date: Fri Nov 1 10:07:14 2019 +0000 f2fs: support data compression bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=150076e8580000 final oops: https://syzkaller.appspot.com/x/report.txt?x=170076e8580000 console output: https://syzkaller.appspot.com/x/log.txt?x=130076e8580000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+82064afd8bd59070f...@syzkaller.appspotmail.com Fixes: 4c8ff7095bef ("f2fs: support data compression") F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5835 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407 Modules linked in: CPU: 1 UID: 0 PID: 5835 Comm: syz-executor143 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407 Code: bb 70 07 00 00 be 08 00 00 00 e8 27 d8 e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d 40 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff RSP: 0018:ffffc90003e377d0 EFLAGS: 00010293 RAX: ffffffff82170c43 RBX: 1ffff1100efa8122 RCX: ffff88802cca0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82170bc3 R09: 1ffff1100efa81af R10: dffffc0000000000 R11: ffffed100efa81b0 R12: ffff888077d40910 R13: dffffc0000000000 R14: ffff888077d408c8 R15: dffffc0000000000 FS: 000055558e8f7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066c7e0 CR3: 000000007ac16000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> f2fs_i_links_write fs/f2fs/f2fs.h:3127 [inline] f2fs_rename fs/f2fs/namei.c:999 [inline] f2fs_rename2+0x1b6c/0x2c30 fs/f2fs/namei.c:1272 vfs_rename+0xbdb/0xf00 fs/namei.c:5067 do_renameat2+0xd94/0x13f0 fs/namei.c:5224 __do_sys_renameat2 fs/namei.c:5258 [inline] __se_sys_renameat2 fs/namei.c:5255 [inline] __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5255 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: 0033:0x7fea51a18679 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd47104348 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007ffd47104518 RCX: 00007fea51a18679 RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007fea51a9b610 R08: 0000000000000000 R09: 00007ffd47104518 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd47104508 R14: 0000000000000001 R15: 0000000000000001 </TASK> --- 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 syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection 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 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
