Warning: Permanently added '10.128.0.88' (ED25519) to the list of known hosts. executing program [ 36.115225][ T6085] syz-executor280[6085]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 36.268021][ T6085] loop0: detected capacity change from 0 to 32768 [ 36.272803][ T6085] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor280 (6085) [ 36.279113][ T6085] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 36.281237][ T6085] BTRFS info (device loop0): using free space tree [ 36.292789][ T6085] BTRFS info (device loop0): enabling ssd optimizations [ 36.294466][ T6085] BTRFS info (device loop0): auto enabling async discard [ 36.310469][ T6085] ------------[ cut here ]------------ [ 36.311718][ T6085] WARNING: CPU: 1 PID: 6085 at fs/read_write.c:504 __kernel_write_iter+0x51c/0x620 [ 36.313784][ T6085] Modules linked in: [ 36.314680][ T6085] CPU: 1 PID: 6085 Comm: syz-executor280 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 36.316936][ T6085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 36.319183][ T6085] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.320918][ T6085] pc : __kernel_write_iter+0x51c/0x620 [ 36.322160][ T6085] lr : __kernel_write_iter+0x518/0x620 [ 36.323443][ T6085] sp : ffff800096b674c0 [ 36.324389][ T6085] x29: ffff800096b675a0 x28: ffff700012d6cea0 x27: ffff800096b67640 [ 36.326274][ T6085] x26: dfff800000000000 x25: fffffffffffffff7 x24: 1fffe00019ff037a [ 36.328189][ T6085] x23: ffff0000cff81bd0 x22: ffff0000d60f8808 x21: dfff800000000000 [ 36.329955][ T6085] x20: ffff0000cff81b80 x19: 00000000000a801d x18: ffff800096b67540 [ 36.331844][ T6085] x17: ffff800082269a9c x16: ffff80008a668b40 x15: 0000000000000005 [ 36.333714][ T6085] x14: 1ffff00012d6cec8 x13: 0000000000000000 x12: 0000000000000000 [ 36.335571][ T6085] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 36.337354][ T6085] x8 : ffff0000d5e89bc0 x7 : 0000000000000000 x6 : 74732d7366727462 [ 36.339210][ T6085] x5 : ffff800096b679cd x4 : 0000000000000011 x3 : 0000000000000001 [ 36.341067][ T6085] x2 : ffff0000d60f8808 x1 : 0000000000000000 x0 : 0000000000000000 [ 36.343046][ T6085] Call trace: [ 36.343794][ T6085] __kernel_write_iter+0x51c/0x620 [ 36.344960][ T6085] kernel_write+0x1b0/0x2f0 [ 36.345940][ T6085] send_subvol+0x174/0x3dc8 [ 36.347154][ T6085] btrfs_ioctl_send+0x1ba4/0x21cc [ 36.348314][ T6085] _btrfs_ioctl_send+0x314/0x468 [ 36.349448][ T6085] btrfs_ioctl+0x638/0xb08 [ 36.350434][ T6085] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.351584][ T6085] invoke_syscall+0x98/0x2b8 [ 36.352608][ T6085] el0_svc_common+0x130/0x23c [ 36.353691][ T6085] do_el0_svc+0x48/0x58 [ 36.354673][ T6085] el0_svc+0x54/0x158 [ 36.355613][ T6085] el0t_64_sync_handler+0x84/0xfc [ 36.356825][ T6085] el0t_64_sync+0x190/0x194 [ 36.357859][ T6085] irq event stamp: 75026 [ 36.358884][ T6085] hardirqs last enabled at (75025): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 36.361297][ T6085] hardirqs last disabled at (75026): [] el1_dbg+0x24/0x80 [ 36.363238][ T6085] softirqs last enabled at (74978): [] local_bh_enable+0x10/0x34 [ 36.365465][ T6085] softirqs last disabled at (74976): [] local_bh_disable+0x10/0x34 [ 36.367682][ T6085] ---[ end trace 0000000000000000 ]---