R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f106419bf80 R15: 00007ffc1a8d8388 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-tree.c:3433! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 347 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-13878-g2c40c1c6adab #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:btrfs_free_tree_block+0x7e1/0xbd0 fs/btrfs/extent-tree.c:3433 Code: e8 24 06 fc fd 31 ff 89 c5 89 c6 e8 f9 bc 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 bb c1 13 fe 0f 0b e9 da fb ff ff e8 af c1 13 fe <0f> 0b e8 a8 c1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90029a77308 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801fd843f0 RCX: ffffc9000da49000 RDX: 0000000000040000 RSI: ffffffff8373f0e1 RDI: 0000000000000005 RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000037343354 R12: ffff88802a906730 R13: ffff88801fd843f8 R14: 00000000fffffff4 R15: 0000000000000001 FS: 00007f1062bfe6c0(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba76ed70d5 CR3: 0000000113188000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_force_cow_block+0xfd9/0x19c0 fs/btrfs/ctree.c:618 btrfs_cow_block+0x2b6/0xb20 fs/btrfs/ctree.c:741 create_pending_snapshot+0xf07/0x2ff0 fs/btrfs/transaction.c:1828 create_pending_snapshots+0x17e/0x2d0 fs/btrfs/transaction.c:1967 btrfs_commit_transaction+0x1272/0x3b30 fs/btrfs/transaction.c:2440 create_snapshot fs/btrfs/ioctl.c:845 [inline] btrfs_mksubvol+0xa87/0x12c0 fs/btrfs/ioctl.c:995 btrfs_mksnapshot+0xad/0xf0 fs/btrfs/ioctl.c:1041 __btrfs_ioctl_snap_create+0x43d/0x4f0 fs/btrfs/ioctl.c:1294 btrfs_ioctl_snap_create+0x168/0x200 fs/btrfs/ioctl.c:1321 btrfs_ioctl+0x526/0x5d90 fs/btrfs/ioctl.c:4575 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f106407cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1062bfe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f106419bf80 RCX: 00007f106407cae9 RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000005 RBP: 00007f1062bfe120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f106419bf80 R15: 00007ffc1a8d8388 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_free_tree_block+0x7e1/0xbd0 fs/btrfs/extent-tree.c:3433 Code: e8 24 06 fc fd 31 ff 89 c5 89 c6 e8 f9 bc 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 bb c1 13 fe 0f 0b e9 da fb ff ff e8 af c1 13 fe <0f> 0b e8 a8 c1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90029a77308 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801fd843f0 RCX: ffffc9000da49000 RDX: 0000000000040000 RSI: ffffffff8373f0e1 RDI: 0000000000000005 RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000037343354 R12: ffff88802a906730 R13: ffff88801fd843f8 R14: 00000000fffffff4 R15: 0000000000000001 FS: 00007f1062bfe6c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b18b760fe0 CR3: 0000000113188000 CR4: 0000000000350ef0