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 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-tree.c:3452! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 8130 Comm: syz.3.331 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 : ffff80009b5a7240 x29: ffff80009b5a7340 x28: ffff7000136b4e50 x27: ffff0000fb0ee000 x26: ffff0000dec10960 x25: ffff0000fb0ee064 x24: 00000000fffffff4 x23: 0000000000000001 x22: 0000000000000001 x21: ffff80008ec72198 x20: ffff0000dc277b90 x19: dfff800000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800082f95f34 x15: 0000000000000001 x14: 1ffff00011eb66f6 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011eb66f7 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d22e0000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009b5a64f8 x4 : 00000000ffffffff x3 : 0000000000000c40 x2 : ffff0000d759ea00 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 commit_cowonly_roots+0x150/0x750 fs/btrfs/transaction.c:1337 btrfs_commit_transaction+0x1174/0x2ba8 fs/btrfs/transaction.c:2429 btrfs_commit_super+0xb4/0xd0 fs/btrfs/disk-io.c:4173 btrfs_remount_ro fs/btrfs/super.c:1362 [inline] btrfs_reconfigure+0xa50/0x231c fs/btrfs/super.c:1507 reconfigure_super+0x1d0/0x6f0 fs/super.c:1072 vfs_cmd_reconfigure fs/fsopen.c:267 [inline] vfs_fsconfig_locked fs/fsopen.c:296 [inline] __do_sys_fsconfig fs/fsopen.c:476 [inline] __se_sys_fsconfig fs/fsopen.c:349 [inline] __arm64_sys_fsconfig+0x8b8/0xc40 fs/fsopen.c:349 __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 ]---