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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4418 at fs/btrfs/file.c:966 btrfs_drop_extents+0x2664/0x2b80 fs/btrfs/file.c:966 Modules linked in: CPU: 1 PID: 4418 Comm: syz-executor.0 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_drop_extents+0x2664/0x2b80 fs/btrfs/file.c:966 lr : btrfs_drop_extents+0x2664/0x2b80 fs/btrfs/file.c:966 sp : ffff80001c9c6fc0 x29: ffff80001c9c7300 x28: 00000000fffffff4 x27: ffff0000d5cdeca0 x26: ffff0000dc0407c0 x25: dfff800000000000 x24: ffff80001c9c7210 x23: 0000000000011000 x22: ffff80001c9c71a0 x21: 0000000000011000 x20: 1fffe0001bdfce37 x19: ffff0000defe71b8 x18: 0000000000000001 x17: ff80800008335ea8 x16: ffff80001195b9f4 x15: ffff800008335ea8 x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000832d950 x10: 0000000000000000 x9 : ea52ca545a04b400 x8 : ea52ca545a04b400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001c9c6738 x4 : ffff8000149cfca0 x3 : ffff80000854e3cc x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: btrfs_drop_extents+0x2664/0x2b80 fs/btrfs/file.c:966 btrfs_replace_file_extents+0x3a4/0x1388 fs/btrfs/file.c:2796 insert_prealloc_file_extent fs/btrfs/inode.c:10336 [inline] __btrfs_prealloc_file_range+0x5ac/0x1164 fs/btrfs/inode.c:10404 btrfs_prealloc_file_range+0x60/0x7c fs/btrfs/inode.c:10494 btrfs_zero_range+0xd58/0xfd8 fs/btrfs/file.c:3400 btrfs_fallocate+0xb4c/0x1954 fs/btrfs/file.c:3515 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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 82960 hardirqs last enabled at (82959): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (82960): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (82940): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (82940): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (82927): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (82927): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (82927): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 7a6097b470985015 ]--- BTRFS: error (device loop0) in btrfs_drop_extents:966: errno=-12 Out of memory BTRFS info (device loop0): forced readonly BTRFS: error (device loop0) in btrfs_replace_file_extents:2813: errno=-12 Out of memory