Hello, syzbot found the following issue on: HEAD commit: 305230142ae0 Merge tag 'pm-6.7-rc1-2' of git://git.kernel... git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=11777b60e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=beb32a598fd79db9 dashboard link: https://syzkaller.appspot.com/bug?extid=4d81015bc10889fd12ea 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=14900138e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10907197680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0aab25a831ba/disk-30523014.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9d1b7b8fdf8a/vmlinux-30523014.xz kernel image: https://storage.googleapis.com/syzbot-assets/e9b6822fcd5f/bzImage-30523014.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/82e806de5984/mount_0.gz The issue was bisected to: commit 6ed05643ddb166c0fddabac8ee092659006214a9 Author: Boris Burkov <boris@xxxxxx> Date: Wed Jun 28 18:00:05 2023 +0000 btrfs: create qgroup earlier in snapshot creation bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=117a7050e80000 final oops: https://syzkaller.appspot.com/x/report.txt?x=137a7050e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=157a7050e80000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4d81015bc10889fd12ea@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 6ed05643ddb1 ("btrfs: create qgroup earlier in snapshot creation") ------------[ cut here ]------------ BTRFS: Transaction aborted (error -17) WARNING: CPU: 0 PID: 5057 at fs/btrfs/transaction.c:1778 create_pending_snapshot+0x25f4/0x2b70 fs/btrfs/transaction.c:1778 Modules linked in: CPU: 0 PID: 5057 Comm: syz-executor225 Not tainted 6.6.0-syzkaller-15365-g305230142ae0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:create_pending_snapshot+0x25f4/0x2b70 fs/btrfs/transaction.c:1778 Code: f8 fd 48 c7 c7 00 43 ab 8b 89 de e8 76 4b be fd 0f 0b e9 30 f3 ff ff e8 7a 8d f8 fd 48 c7 c7 00 43 ab 8b 89 de e8 5c 4b be fd <0f> 0b e9 f8 f6 ff ff e8 60 8d f8 fd 48 c7 c7 00 43 ab 8b 89 de e8 RSP: 0018:ffffc90003abf580 EFLAGS: 00010246 RAX: 10fb7cf24e10ea00 RBX: 00000000ffffffef RCX: ffff888023ea9dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003abf870 R08: ffffffff81547c82 R09: 1ffff11017305172 R10: dffffc0000000000 R11: ffffed1017305173 R12: ffff888078ae2878 R13: 00000000ffffffef R14: 0000000000000000 R15: ffff888078ae2818 FS: 000055555667d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6ff7bf2304 CR3: 0000000079f17000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1967 btrfs_commit_transaction+0xf1c/0x3730 fs/btrfs/transaction.c:2440 create_snapshot+0x4a5/0x7e0 fs/btrfs/ioctl.c:845 btrfs_mksubvol+0x5d0/0x750 fs/btrfs/ioctl.c:995 btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1041 __btrfs_ioctl_snap_create+0x344/0x460 fs/btrfs/ioctl.c:1294 btrfs_ioctl_snap_create+0x13c/0x190 fs/btrfs/ioctl.c:1321 btrfs_ioctl+0xbbf/0xd40 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f2f791127b9 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:00007ffc5dc597b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f2f791127b9 RDX: 0000000020000a80 RSI: 0000000050009401 RDI: 0000000000000004 RBP: 00007f2f7918b610 R08: 00007ffc5dc59988 R09: 00007ffc5dc59988 R10: 00007ffc5dc59988 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc5dc59978 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 syzkaller@xxxxxxxxxxxxxxxx. 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
