BTRFS info (device loop4): using free space tree BTRFS info (device loop4): has skinny extents BTRFS info (device loop4): enabling ssd optimizations ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8034 at fs/read_write.c:525 __kernel_write+0x734/0x8b0 Modules linked in: CPU: 1 PID: 8034 Comm: syz-executor.4 Not tainted 5.15.135-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __kernel_write+0x734/0x8b0 lr : __kernel_write+0x730/0x8b0 fs/read_write.c:525 sp : ffff80001f9674e0 x29: ffff80001f967650 x28: ffff700003f2cea8 x27: ffff0000c0c110e8 x26: 0000000000000011 x25: dfff800000000000 x24: 1fffe00019010780 x23: ffff80001f967560 x22: fffffffffffffff7 x21: ffff0000c8083c04 x20: ffff80001f967540 x19: ffff0000c8083b80 x18: ffff80001f967520 x17: ffff8000089bfe5c x16: ffff800011968004 x15: 0000000000041981 x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000040000 x11: 0000000000003f0d x10: ffff80001f719000 x9 : ffff800008972928 x8 : 0000000000003f0e x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __kernel_write+0x734/0x8b0 kernel_write+0xe0/0x1ec fs/read_write.c:568 write_buf fs/btrfs/send.c:565 [inline] send_header fs/btrfs/send.c:684 [inline] send_subvol+0x164/0x37cc fs/btrfs/send.c:7385 btrfs_ioctl_send+0x15b0/0x1a50 fs/btrfs/send.c:7711 _btrfs_ioctl_send+0x340/0x498 fs/btrfs/ioctl.c:4893 btrfs_ioctl+0x5e0/0xa5c vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/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+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: 85012 hardirqs last enabled at (85011): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (85011): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (85012): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (85010): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (85010): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (85001): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (85001): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (85001): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:637 ---[ end trace 2dc2553c5d437dd0 ]---