BTRFS info (device loop0): using free space tree BTRFS info (device loop0): has skinny extents BTRFS info (device loop0): enabling ssd optimizations ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4525 at fs/read_write.c:525 __kernel_write+0x734/0x8b0 Modules linked in: CPU: 1 PID: 4525 Comm: syz-executor.0 Not tainted 5.15.139-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 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 : ffff80001cfe74e0 x29: ffff80001cfe7650 x28: ffff7000039fcea8 x27: ffff0000ca8c38e8 x26: 0000000000000011 x25: dfff800000000000 x24: 1fffe000195d4c60 x23: ffff80001cfe7560 x22: fffffffffffffff7 x21: ffff0000caea6304 x20: ffff80001cfe7540 x19: ffff0000caea6280 x18: ffff80001cfe7520 x17: ffff8000089be450 x16: ffff8000082e9b40 x15: 000000000001d53e x14: 1ffff0000292406a x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000000376b x10: ffff80001cc59000 x9 : ffff800008970f1c x8 : 000000000000376c 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: 92106 hardirqs last enabled at (92105): [<ffff800011a49210>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (92105): [<ffff800011a49210>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (92106): [<ffff80001196ec28>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (92054): [<ffff8000080300b4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (92052): [<ffff800008030080>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 3c0981bf2c0d1d3d ]---