el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-tree.c:3452! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6735 Comm: syz.1.51 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452 lr : btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452 sp : ffff8000a0da7280 x29: ffff8000a0da7380 x28: ffff7000141b4e58 x27: ffff0000c67b7000 x26: ffff0000d571f4a0 x25: ffff0000c67b7064 x24: 00000000fffffff4 x23: 0000000000000001 x22: 0000000000000005 x21: ffff80008ec72198 x20: ffff0000db9b3818 x19: dfff800000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008032d32c x15: 0000000000000001 x14: 1ffff00011f742ae x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d2ba5ac0 x7 : ffff80008005dba0 x6 : ffff80008005dd9c x5 : ffff0000d07a8938 x4 : ffff8000a0da6de8 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 00000000fffffff4 x0 : 0000000000000000 Call trace: btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452 btrfs_force_cow_block+0xea8/0x1a58 fs/btrfs/ctree.c:623 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:746 btrfs_search_slot+0xba0/0x2a08 btrfs_lookup_match_dir fs/btrfs/dir-item.c:187 [inline] btrfs_lookup_dir_item+0x170/0x2a8 fs/btrfs/dir-item.c:225 __btrfs_unlink_inode+0x150/0x804 fs/btrfs/inode.c:4135 btrfs_unlink_inode fs/btrfs/inode.c:4222 [inline] btrfs_unlink+0x17c/0x2d8 fs/btrfs/inode.c:4268 vfs_unlink+0x2f0/0x534 fs/namei.c:4396 do_unlinkat+0x4d0/0x700 fs/namei.c:4460 __do_sys_unlinkat fs/namei.c:4503 [inline] __se_sys_unlinkat fs/namei.c:4496 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4496 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: 5281aee3 9576583d d4210000 978ec715 (d4210000) ---[ end trace 0000000000000000 ]---