el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4473 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 fs/btrfs/file.c:2983 Modules linked in: CPU: 1 PID: 4473 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_replace_file_extents+0xcc4/0x1290 fs/btrfs/file.c:2983 lr : btrfs_replace_file_extents+0xcc4/0x1290 fs/btrfs/file.c:2983 sp : ffff80001f6471e0 x29: ffff80001f647300 x28: 0000000000000fff x27: 0000000000000000 x26: dfff800000000000 x25: ffff0000de710000 x24: ffff0000e24ca740 x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de8523c8 x20: ffff0000de852370 x19: 1fffe0001bd0a479 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 184034d9baac5200 x8 : 184034d9baac5200 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f646ad8 x4 : ffff80001424f400 x3 : ffff80000850433c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_replace_file_extents+0xcc4/0x1290 fs/btrfs/file.c:2983 insert_prealloc_file_extent fs/btrfs/inode.c:10414 [inline] __btrfs_prealloc_file_range+0x390/0xb88 fs/btrfs/inode.c:10482 btrfs_prealloc_file_range+0x60/0x7c fs/btrfs/inode.c:10572 btrfs_fallocate+0x1330/0x1614 fs/btrfs/file.c:3628 vfs_fallocate+0x4a4/0x5f4 fs/open.c:308 ioctl_preallocate+0x22c/0x2c8 fs/ioctl.c:294 file_ioctl fs/ioctl.c:-1 [inline] do_vfs_ioctl+0x1a3c/0x2370 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 81812 hardirqs last enabled at (81811): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (81812): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (81788): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (81788): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (81719): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (81719): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (81719): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (81719): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace 1c030a0ec0852934 ]--- BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory BTRFS info (device loop0): forced readonly