Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.234266][ T5926] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5926 'syz-executor564' [ 34.378463][ T5926] loop0: detected capacity change from 0 to 32768 [ 34.383027][ T5926] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor564 (5926) [ 34.389250][ T5926] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 34.391067][ T5926] BTRFS info (device loop0): using free space tree [ 34.402701][ T5926] BTRFS info (device loop0): enabling ssd optimizations [ 34.404347][ T5926] BTRFS info (device loop0): auto enabling async discard [ 34.422607][ T5926] ------------[ cut here ]------------ [ 34.423687][ T5926] WARNING: CPU: 1 PID: 5926 at fs/read_write.c:504 __kernel_write_iter+0x508/0x5f8 [ 34.425554][ T5926] Modules linked in: [ 34.426326][ T5926] CPU: 1 PID: 5926 Comm: syz-executor564 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 34.428455][ T5926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 34.430665][ T5926] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.432364][ T5926] pc : __kernel_write_iter+0x508/0x5f8 [ 34.433567][ T5926] lr : __kernel_write_iter+0x504/0x5f8 [ 34.434831][ T5926] sp : ffff80001e4474e0 [ 34.435749][ T5926] x29: ffff80001e4475c0 x28: ffff700003c88ea4 x27: ffff80001e447660 [ 34.437588][ T5926] x26: dfff800000000000 x25: fffffffffffffff7 x24: 1fffe0001b9dfb7f [ 34.439303][ T5926] x23: ffff0000dcefdbfc x22: ffff0000dbc35008 x21: dfff800000000000 [ 34.441148][ T5926] x20: ffff0000dcefdb80 x19: 00000000000a801d x18: ffff80001e447560 [ 34.442929][ T5926] x17: ffff80000a1c70fc x16: ffff8000122bc500 x15: 000000000000c9d5 [ 34.444597][ T5926] x14: 000000003db40e71 x13: dfff800000000000 x12: 0000000000000005 [ 34.446417][ T5926] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 34.448117][ T5926] x8 : ffff0000db860000 x7 : 0000000000000000 x6 : 74732d7366727462 [ 34.449863][ T5926] x5 : ffff80001e4479cd x4 : 0000000000000011 x3 : 0000000000000001 [ 34.451647][ T5926] x2 : ffff0000dbc35008 x1 : 0000000000000000 x0 : 0000000000000000 [ 34.453436][ T5926] Call trace: [ 34.454159][ T5926] __kernel_write_iter+0x508/0x5f8 [ 34.455238][ T5926] kernel_write+0x1b0/0x2f0 [ 34.456243][ T5926] send_subvol+0x174/0x39a8 [ 34.457206][ T5926] btrfs_ioctl_send+0x1ba4/0x21cc [ 34.458375][ T5926] _btrfs_ioctl_send+0x314/0x468 [ 34.459427][ T5926] btrfs_ioctl+0x638/0xb08 [ 34.460388][ T5926] __arm64_sys_ioctl+0x14c/0x1c8 [ 34.461399][ T5926] invoke_syscall+0x98/0x2c0 [ 34.462370][ T5926] el0_svc_common+0x138/0x258 [ 34.463475][ T5926] do_el0_svc+0x64/0x198 [ 34.464414][ T5926] el0_svc+0x4c/0x15c [ 34.465302][ T5926] el0t_64_sync_handler+0x84/0xf0 [ 34.466506][ T5926] el0t_64_sync+0x190/0x194 [ 34.467451][ T5926] irq event stamp: 85078 [ 34.468341][ T5926] hardirqs last enabled at (85077): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 34.470528][ T5926] hardirqs last disabled at (85078): [] el1_dbg+0x24/0x80 [ 34.472432][ T5926] softirqs last enabled at (85032): [] local_bh_enable+0x10/0x34 [ 34.474651][ T5926] softirqs last disabled at (85030): [] local_bh_disable+0x10/0x34 [ 34.476697][ T5926] ---[ end trace 0000000000000000 ]---