el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5091 at fs/btrfs/file.c:2985 btrfs_replace_file_extents+0xe1c/0x1388 fs/btrfs/file.c:2985 Modules linked in: CPU: 0 PID: 5091 Comm: syz.0.16 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_replace_file_extents+0xe1c/0x1388 fs/btrfs/file.c:2985 lr : btrfs_replace_file_extents+0xe1c/0x1388 fs/btrfs/file.c:2985 sp : ffff8000207b74c0 x29: ffff8000207b7620 x28: ffff0000db4a0e00 x27: 0000000000000000 x26: dfff800000000000 x25: ffff0000de6d4370 x24: ffff0000e1513110 x23: 000000000000cfff x22: 00000000fffffff4 x21: 0000000000000000 x20: 1fffe0001bcda879 x19: ffff0000de6d43c8 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff x14: ffff0000c22fb680 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : f01bd8336e708c00 x8 : f01bd8336e708c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000207b6c38 x4 : ffff800014b9fae0 x3 : ffff800008557c4c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_replace_file_extents+0xe1c/0x1388 fs/btrfs/file.c:2985 insert_prealloc_file_extent fs/btrfs/inode.c:10398 [inline] __btrfs_prealloc_file_range+0x5ac/0x1164 fs/btrfs/inode.c:10466 btrfs_prealloc_file_range+0x60/0x7c fs/btrfs/inode.c:10556 btrfs_fallocate+0x166c/0x1954 fs/btrfs/file.c:3630 vfs_fallocate+0x478/0x5b4 fs/open.c:308 ksys_fallocate fs/open.c:331 [inline] __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:337 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 81114 hardirqs last enabled at (81113): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (81114): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (81088): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (81088): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (81047): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (81047): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (81047): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (81047): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 520eee83937183de ]--- BTRFS: error (device loop0) in btrfs_replace_file_extents:2985: errno=-12 Out of memory BTRFS info (device loop0): forced readonly