BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents BTRFS info (device loop3): enabling ssd optimizations ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7880 at fs/read_write.c:525 __kernel_write+0x734/0x8b0 Modules linked in: CPU: 1 PID: 7880 Comm: syz-executor.3 Not tainted 5.15.136-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 : ffff80001e7474e0 x29: ffff80001e747650 x28: ffff700003ce8ea8 x27: ffff00010758a8e8 x26: 0000000000000011 x25: dfff800000000000 x24: 1fffe000214f64b0 x23: ffff80001e747560 x22: fffffffffffffff7 x21: ffff00010a7b2584 x20: ffff80001e747540 x19: ffff00010a7b2500 x18: ffff80001e747520 x17: 1fffe00036902b8e x16: ffff80001196bf74 x15: 000000000002fc1c x14: 1ffff0000292206a x13: ffffffffffffffff x12: 0000000000040000 x11: 0000000000003d81 x10: ffff800021c2b000 x9 : ffff800008973968 x8 : 0000000000003d82 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: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: 84232 hardirqs last enabled at (84231): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (84231): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4780 hardirqs last disabled at (84232): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (84198): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (84196): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 23f02fcc86fd3526 ]---