------------[ cut here ]------------
WARNING: CPU: 1 PID: 25579 at fs/read_write.c:504 __kernel_write_iter+0x51c/0x620
Modules linked in:
CPU: 1 PID: 25579 Comm: syz-executor.4 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #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_iter+0x51c/0x620
lr : __kernel_write_iter+0x518/0x620 fs/read_write.c:504
sp : ffff8000a65f74c0
x29: ffff8000a65f75a0 x28: ffff700014cbeea0 x27: ffff8000a65f7640
x26: dfff800000000000 x25: fffffffffffffff7 x24: 1fffe0001c9a9a8a
x23: ffff0000e4d4d450 x22: ffff000129735008 x21: dfff800000000000
x20: ffff0000e4d4d400 x19: 0000000000088001 x18: ffff8000a65f7540
x17: ffff800082269a9c x16: ffff80008a668b40 x15: 0000000000000005
x14: 1ffff00014cbeec8 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 00000000000023b5 x9 : ffff8000a0c79000
x8 : 00000000000023b6 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000011 x3 : 0000000000000001
x2 : ffff000129735008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __kernel_write_iter+0x51c/0x620
 __kernel_write fs/read_write.c:537 [inline]
 kernel_write+0x1b0/0x2f0 fs/read_write.c:558
 write_buf fs/btrfs/send.c:648 [inline]
 send_header fs/btrfs/send.c:766 [inline]
 send_subvol+0x174/0x3dc8 fs/btrfs/send.c:7936
 btrfs_ioctl_send+0x1ba4/0x21cc fs/btrfs/send.c:8312
 _btrfs_ioctl_send+0x314/0x468 fs/btrfs/ioctl.c:4364
 btrfs_ioctl+0x638/0xb08
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 158
hardirqs last  enabled at (157): [<ffff80008a8076c4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (157): [<ffff80008a8076c4>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (158): [<ffff80008a716d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (122): [<ffff800080031c3c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (120): [<ffff800080031c08>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---