el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: 0 PID: 4375 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xd18/0x1284 fs/btrfs/file.c:2983
Modules linked in:
CPU: 0 PID: 4375 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_replace_file_extents+0xd18/0x1284 fs/btrfs/file.c:2983
lr : btrfs_replace_file_extents+0xd18/0x1284 fs/btrfs/file.c:2983
sp : ffff80001f7f72a0
x29: ffff80001f7f73c0 x28: 00000000fffffff4 x27: ffff80001f7f7560
x26: 0000000000000000 x25: dfff800000000000 x24: ffff700003efee64
x23: ffff0000e25093a0 x22: ffff0000dd7db160 x21: ffff0000d75da900
x20: 1fffe0001bafb637 x19: ffff0000dd7db1b8 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000
x11: ff80800008300a38 x10: 0000000000000000 x9 : f4cc29b1d582fd00
x8 : f4cc29b1d582fd00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f7f6bb8 x4 : ffff80001447f520 x3 : ffff80000850fcd0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_replace_file_extents+0xd18/0x1284 fs/btrfs/file.c:2983
 insert_prealloc_file_extent fs/btrfs/inode.c:10475 [inline]
 __btrfs_prealloc_file_range+0x35c/0xb80 fs/btrfs/inode.c:10543
 btrfs_prealloc_file_range+0x60/0x7c fs/btrfs/inode.c:10633
 btrfs_fallocate+0xcb0/0x1720 fs/btrfs/file.c:3638
 vfs_fallocate+0x4a4/0x5fc fs/open.c:308
 ioctl_preallocate+0x234/0x2d4 fs/ioctl.c:294
 file_ioctl fs/ioctl.c:-1 [inline]
 do_vfs_ioctl+0x1aa8/0x2404 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+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: 82150
hardirqs last  enabled at (82149): [<ffff8000082feda8>] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257
hardirqs last disabled at (82150): [<ffff80001135b320>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (82130): [<ffff8000081a2b54>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (82130): [<ffff8000081a2b54>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (82091): [<ffff8000081a315c>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (82091): [<ffff8000081a315c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (82091): [<ffff8000081a315c>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (82091): [<ffff8000081a315c>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace b71af0a6ec9a2cdf ]---
BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory
BTRFS info (device loop0): forced readonly