Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.152552][ T3960] loop0: detected capacity change from 0 to 32768 [ 47.157147][ T3960] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor277 (3960) [ 47.163761][ T3960] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.165693][ T3960] BTRFS info (device loop0): using free space tree [ 47.167082][ T3960] BTRFS info (device loop0): has skinny extents [ 47.183741][ T3960] BTRFS info (device loop0): enabling ssd optimizations [ 47.207024][ T3960] ------------[ cut here ]------------ [ 47.208236][ T3960] WARNING: CPU: 1 PID: 3960 at fs/read_write.c:525 __kernel_write+0x734/0x8b0 [ 47.210159][ T3960] Modules linked in: [ 47.211029][ T3960] CPU: 1 PID: 3960 Comm: syz-executor277 Not tainted 5.15.110-syzkaller #0 [ 47.213057][ T3960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 47.215351][ T3960] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 47.217117][ T3960] pc : __kernel_write+0x734/0x8b0 [ 47.218343][ T3960] lr : __kernel_write+0x730/0x8b0 [ 47.219461][ T3960] sp : ffff80001c7074e0 [ 47.220431][ T3960] x29: ffff80001c707650 x28: ffff7000038e0ea8 x27: ffff0000c8b958e8 [ 47.222342][ T3960] x26: 0000000000000011 x25: dfff800000000000 x24: 1fffe0001b7a65a0 [ 47.224067][ T3960] x23: ffff80001c707560 x22: fffffffffffffff7 x21: ffff0000dbd32d04 [ 47.225922][ T3960] x20: ffff80001c707540 x19: ffff0000dbd32c80 x18: ffff80001c707520 [ 47.227718][ T3960] x17: 1fffe00036903d8e x16: ffff800011941c2c x15: 000000000000c769 [ 47.229449][ T3960] x14: 1ffff0000291a06a x13: ffffffffffffffff x12: 0000000000000000 [ 47.231333][ T3960] x11: ff8080000896c37c x10: 0000000000000000 x9 : ffff80000896c37c [ 47.233183][ T3960] x8 : ffff0000d338b580 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.235162][ T3960] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 [ 47.236962][ T3960] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.238846][ T3960] Call trace: [ 47.239585][ T3960] __kernel_write+0x734/0x8b0 [ 47.240650][ T3960] kernel_write+0xe0/0x1ec [ 47.241586][ T3960] send_subvol+0x164/0x37cc [ 47.242617][ T3960] btrfs_ioctl_send+0x15b0/0x1a50 [ 47.243721][ T3960] _btrfs_ioctl_send+0x340/0x498 [ 47.244821][ T3960] btrfs_ioctl+0x5e0/0xa5c [ 47.245758][ T3960] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.246916][ T3960] invoke_syscall+0x98/0x2b8 [ 47.247904][ T3960] el0_svc_common+0x138/0x258 [ 47.249036][ T3960] do_el0_svc+0x58/0x14c [ 47.250027][ T3960] el0_svc+0x7c/0x1f0 [ 47.250871][ T3960] el0t_64_sync_handler+0x84/0xe4 [ 47.252037][ T3960] el0t_64_sync+0x1a0/0x1a4 [ 47.253122][ T3960] irq event stamp: 86748 [ 47.254078][ T3960] hardirqs last enabled at (86747): [] finish_lock_switch+0xbc/0x1e8 [ 47.256355][ T3960] hardirqs last disabled at (86748): [] el1_dbg+0x24/0x80 [ 47.258358][ T3960] softirqs last enabled at (86636): [] local_bh_enable+0x10/0x34 [ 47.260389][ T3960] softirqs last disabled at (86634): [] local_bh_disable+0x10/0x34 [ 47.262412][ T3960] ---[ end trace d4d3d0e0bdd41d61 ]---