Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts.
2024/03/16 17:51:14 ignoring optional flag "sandboxArg"="0"
2024/03/16 17:51:14 parsed 1 programs
2024/03/16 17:51:14 executed programs: 0
[ 64.137700][ T1468] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 64.171187][ T1485] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 64.178484][ T1485] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 64.183454][ T1497] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 64.185958][ T1485] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 64.193405][ T1497] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 64.201965][ T1498] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 64.207455][ T1497] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 64.214288][ T1498] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 64.221405][ T1497] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 64.228285][ T1498] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 64.235319][ T1497] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 64.242191][ T1498] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 64.249185][ T1497] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 64.256150][ T1498] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 64.263131][ T1497] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 64.277356][ T1485] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 64.277425][ T1497] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 64.284571][ T1499] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 64.291461][ T1497] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 64.298415][ T1498] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 64.305625][ T1497] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 64.312292][ T1498] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 64.319235][ T1497] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 64.326269][ T1500] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 64.333002][ T1497] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 64.340010][ T1500] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 64.347380][ T1485] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
[ 64.354355][ T1499] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 64.361448][ T1485] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 64.368887][ T1497] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 64.554072][ T1493] chnl_net:caif_netlink_parms(): no params data found
[ 64.561558][ T1479] chnl_net:caif_netlink_parms(): no params data found
[ 64.569733][ T1481] chnl_net:caif_netlink_parms(): no params data found
[ 64.589448][ T1492] chnl_net:caif_netlink_parms(): no params data found
[ 64.599664][ T1476] chnl_net:caif_netlink_parms(): no params data found
[ 64.750817][ T1635] modprobe (1635) used greatest stack depth: 11136 bytes left
[ 66.280289][ T1481] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.369218][ T1492] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.413152][ T1491] Bluetooth: hci3: command 0x0409 tx timeout
[ 66.413645][ T1493] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.420549][ T1491] Bluetooth: hci2: command 0x0409 tx timeout
[ 66.433853][ T1497] Bluetooth: hci1: command 0x0409 tx timeout
[ 66.440082][ T1497] Bluetooth: hci0: command 0x0409 tx timeout
[ 66.444452][ T1500] Bluetooth: hci4: command 0x0409 tx timeout
[ 66.482524][ T1479] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.538640][ T1476] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.374446][ T1481] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.381439][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.389314][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.659251][ T1493] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.666366][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.673707][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.719702][ T1479] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.726959][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.734663][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.743251][ T1476] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.750667][ T806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.758206][ T806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.767810][ T1492] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.775581][ T806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.783149][ T806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 68.493191][ T1497] Bluetooth: hci0: command 0x041b tx timeout
[ 68.493203][ T1491] Bluetooth: hci2: command 0x041b tx timeout
[ 68.499185][ T1497] Bluetooth: hci1: command 0x041b tx timeout
[ 68.505160][ T1500] Bluetooth: hci4: command 0x041b tx timeout
[ 68.513183][ T43] Bluetooth: hci3: command 0x041b tx timeout
[ 69.704974][ T3355] loop0: detected capacity change from 0 to 32768
[ 69.717883][ T3354] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by udevd (3354)
[ 69.739295][ T3355] BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2
[ 69.749476][ T3355] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 69.758704][ T3355] BTRFS info (device loop0): force clearing of disk cache
[ 69.765819][ T3355] BTRFS info (device loop0): setting nodatasum
[ 69.771961][ T3355] BTRFS info (device loop0): allowing degraded mounts
[ 69.778728][ T3355] BTRFS info (device loop0): enabling disk space caching
[ 69.785838][ T3355] BTRFS info (device loop0): disk space caching is enabled
[ 69.915209][ T3355] BTRFS info (device loop0): enabling ssd optimizations
[ 69.928201][ T3355] BTRFS info (device loop0): rebuilding free space tree
[ 69.955604][ T3355] BTRFS info (device loop0): disabling free space tree
[ 69.962764][ T3355] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 69.973129][ T3355] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 69.995603][ T3355] BTRFS info (device loop0): checking UUID tree
[ 70.018149][ T3355] BTRFS info (device loop0): balance: start -d -m
[ 70.025171][ T3355] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[ 70.059130][ T3355] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[ 70.121791][ T3355] BTRFS info (device loop0): found 9 extents, stage: move data extents
[ 70.138557][ T3355] BTRFS info (device loop0): found 1 extents, stage: update data pointers
2024/03/16 17:51:20 executed programs: 5
[ 70.165205][ T3355] BTRFS info (device loop0): balance: ended with status: 0
[ 70.187286][ T1481] BTRFS info (device loop0): last unmount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2
[ 70.279416][ T3501] loop3: detected capacity change from 0 to 32768
[ 70.311026][ T3501] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop3 scanned by syz-executor.3 (3501)
[ 70.317016][ T3522] loop4: detected capacity change from 0 to 32768
[ 70.357376][ T3505] loop1: detected capacity change from 0 to 32768
[ 70.367330][ T3427] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (3427)
[ 70.377321][ T3522] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor.4 (3522)
[ 70.391142][ T3505] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (3505)
[ 70.399019][ T3511] loop2: detected capacity change from 0 to 32768
[ 70.408617][ T3529] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (3529)
[ 70.424653][ T3501] BTRFS info (device loop3): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2
[ 70.434832][ T3501] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm
[ 70.444240][ T3501] BTRFS info (device loop3): force clearing of disk cache
[ 70.451340][ T3501] BTRFS info (device loop3): setting nodatasum
[ 70.457577][ T3501] BTRFS info (device loop3): allowing degraded mounts
[ 70.464505][ T3501] BTRFS info (device loop3): enabling disk space caching
[ 70.471683][ T3501] BTRFS info (device loop3): disk space caching is enabled
[ 70.479475][ T3511] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (3511)
[ 70.497490][ T3427] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (3427)
[ 70.546464][ T3528] loop0: detected capacity change from 0 to 32768
[ 70.556033][ T3528] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (3528)
[ 70.567152][ T3529] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (3529)
[ 70.577748][ T960] Bluetooth: hci2: command 0x040f tx timeout
[ 70.577809][ T1497] Bluetooth: hci4: command 0x040f tx timeout
[ 70.584179][ T960] Bluetooth: hci0: command 0x040f tx timeout
[ 70.584186][ T960] Bluetooth: hci1: command 0x040f tx timeout
[ 70.584192][ T960] Bluetooth: hci3: command 0x040f tx timeout
[ 70.630598][ T3501] BTRFS info (device loop3): enabling ssd optimizations
[ 70.642640][ T3501] BTRFS info (device loop3): rebuilding free space tree
[ 70.685234][ T3501] BTRFS info (device loop3): disabling free space tree
[ 70.692261][ T3501] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 70.702152][ T3501] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 70.734631][ T3501] BTRFS info (device loop3): checking UUID tree
[ 70.744056][ T3501] BTRFS info (device loop3): balance: start -d -m
[ 70.750696][ T3501] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[ 70.779209][ T3555] loop4: detected capacity change from 0 to 32768
[ 70.794958][ T3501] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[ 70.804353][ T3555] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor.4 (3555)
[ 70.815388][ T3531] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (3531)
[ 70.835339][ T3501] BTRFS warning (device loop3): Skipping commit of aborted transaction.
[ 70.846428][ T3501] ------------[ cut here ]------------
[ 70.851915][ T3501] WARNING: CPU: 0 PID: 3501 at fs/btrfs/transaction.c:1992 btrfs_commit_transaction+0x1359/0x14d0
[ 70.862868][ T3501] Modules linked in:
[ 70.866756][ T3501] CPU: 0 PID: 3501 Comm: syz-executor.3 Not tainted 6.1.82-syzkaller #0
[ 70.875292][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 70.885521][ T3501] RIP: 0010:btrfs_commit_transaction+0x1359/0x14d0
[ 70.892179][ T3501] Code: c8 05 00 00 48 89 df e8 65 fe a3 ff e9 bc f9 ff ff 0f 1f 44 00 00 e9 cb f9 ff ff 48 c7 c7 c0 80 21 83 44 89 ee e8 d7 b9 a3 ff <0f> 0b e9 f9 fb ff ff f0 83 44 24 fc 00 48 8b 83 c0 05 00 00 65 ff
[ 70.912058][ T3501] RSP: 0018:ffffc90002447b40 EFLAGS: 00010246
[ 70.918221][ T3501] RAX: 184ab927a94c7000 RBX: ffff88817e316000 RCX: 0000000000000002
[ 70.926203][ T3501] RDX: 0000000000000000 RSI: ffffffff832ff27b RDI: 00000000ffffffff
[ 70.934360][ T3501] RBP: ffff88810975a000 R08: 0000000000000000 R09: ffffffff836ca1a0
[ 70.943360][ T3501] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff88817e316058
[ 70.951325][ T3501] R13: 00000000ffffffe4 R14: ffff888108f99b80 R15: ffff888108fbc000
[ 70.959353][ T3501] FS: 00007f8bf480c6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
[ 70.968371][ T3501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 70.974982][ T3501] CR2: 00007fecfd600000 CR3: 000000010932f000 CR4: 00000000003506f0
[ 70.982956][ T3501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 70.991039][ T3501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 70.999987][ T3501] Call Trace:
[ 71.003380][ T3501]
[ 71.006476][ T3501] ? __warn+0xc0/0x1f0
[ 71.007402][ T3556] loop1: detected capacity change from 0 to 32768
[ 71.010996][ T3501] ? btrfs_commit_transaction+0x1359/0x14d0
[ 71.011005][ T3501] ? report_bug+0xca/0x160
[ 71.011012][ T3501] ? handle_bug+0x3d/0x70
[ 71.011018][ T3501] ? exc_invalid_op+0x16/0x40
[ 71.037060][ T3529] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (3529)
[ 71.037411][ T3501] ? asm_exc_invalid_op+0x16/0x20
[ 71.047860][ T3556] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (3556)
[ 71.052658][ T3501] ? btrfs_commit_transaction+0x1359/0x14d0
[ 71.052669][ T3501] ? btrfs_commit_transaction+0x41/0x14d0
[ 71.052673][ T3501] ? start_transaction+0x27a/0x610
[ 71.052678][ T3501] prepare_to_relocate+0x14b/0x190
[ 71.052686][ T3501] relocate_block_group+0x6b/0x450
[ 71.065042][ T3554] loop0: detected capacity change from 0 to 32768
[ 71.069660][ T3501] btrfs_relocate_block_group+0x310/0x520
[ 71.069671][ T3501] btrfs_relocate_chunk+0x5c/0x190
[ 71.108997][ T3501] __btrfs_balance+0x7cf/0x900
[ 71.113787][ T3501] ? bit_wait_io_timeout+0x60/0x70
[ 71.118879][ T3501] btrfs_balance+0x67e/0x780
[ 71.123576][ T3501] btrfs_ioctl_balance+0x24d/0x330
[ 71.128666][ T3501] __se_sys_ioctl+0x6a/0xb0
[ 71.133537][ T3501] do_syscall_64+0x3d/0xb0
[ 71.138259][ T3501] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 71.144162][ T3501] RIP: 0033:0x7f8bf3a7cda9
[ 71.148556][ T3501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 71.169895][ T3501] RSP: 002b:00007f8bf480c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.172602][ T3549] loop2: detected capacity change from 0 to 32768
[ 71.178657][ T3501] RAX: ffffffffffffffda RBX: 00007f8bf3babf80 RCX: 00007f8bf3a7cda9
[ 71.178660][ T3501] RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000004
[ 71.178662][ T3501] RBP: 00007f8bf3ac947a R08: 0000000000000000 R09: 0000000000000000
[ 71.178664][ T3501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 71.178666][ T3501] R13: 0000000000000006 R14: 00007f8bf3babf80 R15: 00007ffc1b159b88
[ 71.189292][ T3554] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (3554)
[ 71.193053][ T3501]
[ 71.193056][ T3501] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.193059][ T3501] CPU: 0 PID: 3501 Comm: syz-executor.3 Not tainted 6.1.82-syzkaller #0
[ 71.193062][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 71.193064][ T3501] Call Trace:
[ 71.193066][ T3501]
[ 71.193067][ T3501] dump_stack_lvl+0x7f/0xc2
[ 71.193075][ T3501] panic+0x114/0x2c3
[ 71.193081][ T3501] ? btrfs_commit_transaction+0x1359/0x14d0
[ 71.193086][ T3501] __warn+0x162/0x1f0
[ 71.193092][ T3501] ? btrfs_commit_transaction+0x1359/0x14d0
[ 71.193096][ T3501] report_bug+0xca/0x160
[ 71.193103][ T3501] handle_bug+0x3d/0x70
[ 71.193107][ T3501] exc_invalid_op+0x16/0x40
[ 71.193111][ T3501] asm_exc_invalid_op+0x16/0x20
[ 71.193123][ T3501] RIP: 0010:btrfs_commit_transaction+0x1359/0x14d0
[ 71.193127][ T3501] Code: c8 05 00 00 48 89 df e8 65 fe a3 ff e9 bc f9 ff ff 0f 1f 44 00 00 e9 cb f9 ff ff 48 c7 c7 c0 80 21 83 44 89 ee e8 d7 b9 a3 ff <0f> 0b e9 f9 fb ff ff f0 83 44 24 fc 00 48 8b 83 c0 05 00 00 65 ff
[ 71.193130][ T3501] RSP: 0018:ffffc90002447b40 EFLAGS: 00010246
[ 71.193134][ T3501] RAX: 184ab927a94c7000 RBX: ffff88817e316000 RCX: 0000000000000002
[ 71.193136][ T3501] RDX: 0000000000000000 RSI: ffffffff832ff27b RDI: 00000000ffffffff
[ 71.193139][ T3501] RBP: ffff88810975a000 R08: 0000000000000000 R09: ffffffff836ca1a0
[ 71.193140][ T3501] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff88817e316058
[ 71.193143][ T3501] R13: 00000000ffffffe4 R14: ffff888108f99b80 R15: ffff888108fbc000
[ 71.193149][ T3501] ? btrfs_commit_transaction+0x41/0x14d0
[ 71.193154][ T3501] ? start_transaction+0x27a/0x610
[ 71.193159][ T3501] prepare_to_relocate+0x14b/0x190
[ 71.193166][ T3501] relocate_block_group+0x6b/0x450
[ 71.193173][ T3501] btrfs_relocate_block_group+0x310/0x520
[ 71.193178][ T3501] btrfs_relocate_chunk+0x5c/0x190
[ 71.193183][ T3501] __btrfs_balance+0x7cf/0x900
[ 71.193190][ T3501] ? bit_wait_io_timeout+0x60/0x70
[ 71.193196][ T3501] btrfs_balance+0x67e/0x780
[ 71.193202][ T3501] btrfs_ioctl_balance+0x24d/0x330
[ 71.193208][ T3501] __se_sys_ioctl+0x6a/0xb0
[ 71.193213][ T3501] do_syscall_64+0x3d/0xb0
[ 71.193218][ T3501] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 71.193222][ T3501] RIP: 0033:0x7f8bf3a7cda9
[ 71.193225][ T3501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 71.193228][ T3501] RSP: 002b:00007f8bf480c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.193231][ T3501] RAX: ffffffffffffffda RBX: 00007f8bf3babf80 RCX: 00007f8bf3a7cda9
[ 71.193233][ T3501] RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000004
[ 71.193235][ T3501] RBP: 00007f8bf3ac947a R08: 0000000000000000 R09: 0000000000000000
[ 71.193237][ T3501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 71.193239][ T3501] R13: 0000000000000006 R14: 00007f8bf3babf80 R15: 00007ffc1b159b88
[ 71.193245][ T3501]
[ 71.201574][ T3501] Kernel Offset: disabled
[ 71.564977][ T3501] Rebooting in 86400 seconds..