Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts.
executing program
[   26.151044][ T3030] loop0: detected capacity change from 0 to 2048
[   26.157286][ T3031] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   26.169807][ T3030] ------------[ cut here ]------------
[   26.171124][ T3030] refcount_t: underflow; use-after-free.
[   26.172521][ T3030] WARNING: CPU: 0 PID: 3030 at lib/refcount.c:87 refcount_dec_and_lock+0x180/0x1ec
[   26.174797][ T3030] Modules linked in:
[   26.175758][ T3030] CPU: 0 PID: 3030 Comm: syz-executor135 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
[   26.178311][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   26.180923][ T3030] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   26.182835][ T3030] pc : refcount_dec_and_lock+0x180/0x1ec
[   26.184194][ T3030] lr : refcount_dec_and_lock+0x17c/0x1ec
[   26.185577][ T3030] sp : ffff8000129c3a30
[   26.186596][ T3030] x29: ffff8000129c3a30 x28: ffff80000cc15042 x27: ffff0000cd30ea40
[   26.188449][ T3030] x26: 0000000000000002 x25: 00000000ffffffff x24: 0000000000000000
[   26.190387][ T3030] x23: 00000000c0000000 x22: 0000000000000000 x21: ffff80000d5eb4a0
[   26.192406][ T3030] x20: ffff0000cad67e20 x19: ffff80000d8c8000 x18: 00000000000000c0
[   26.194380][ T3030] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c65ecf80
[   26.196306][ T3030] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65ecf80
[   26.198295][ T3030] x11: ff808000081c0d5c x10: 0000000000000000 x9 : c31d212fd5113100
[   26.200265][ T3030] x8 : c31d212fd5113100 x7 : ffff80000819545c x6 : 0000000000000000
[   26.202254][ T3030] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
[   26.204249][ T3030] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[   26.206187][ T3030] Call trace:
[   26.206969][ T3030]  refcount_dec_and_lock+0x180/0x1ec
[   26.208275][ T3030]  nilfs_put_root+0x30/0x80
[   26.209341][ T3030]  nilfs_detach_log_writer+0x3b8/0x4d0
[   26.210682][ T3030]  nilfs_put_super+0x28/0x9c
[   26.211697][ T3030]  generic_shutdown_super+0x8c/0x190
[   26.213007][ T3030]  kill_block_super+0x30/0x78
[   26.214143][ T3030]  deactivate_locked_super+0x70/0xe8
[   26.215403][ T3030]  deactivate_super+0xd0/0xd4
[   26.216525][ T3030]  cleanup_mnt+0x1f8/0x234
[   26.217606][ T3030]  __cleanup_mnt+0x20/0x30
[   26.218596][ T3030]  task_work_run+0xc4/0x14c
[   26.219671][ T3030]  do_exit+0x26c/0xbe0
[   26.220676][ T3030]  do_group_exit+0x60/0xe8
[   26.221702][ T3030]  __wake_up_parent+0x0/0x40
[   26.222806][ T3030]  el0_svc_common+0x138/0x220
[   26.223944][ T3030]  do_el0_svc+0x48/0x164
[   26.224964][ T3030]  el0_svc+0x58/0x150
[   26.225898][ T3030]  el0t_64_sync_handler+0x84/0xf0
[   26.227107][ T3030]  el0t_64_sync+0x18c/0x190
[   26.228199][ T3030] irq event stamp: 9508
[   26.229253][ T3030] hardirqs last  enabled at (9507): [<ffff8000081befc8>] __up_console_sem+0xb0/0xfc
[   26.231583][ T3030] hardirqs last disabled at (9508): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c
[   26.233698][ T3030] softirqs last  enabled at (8226): [<ffff8000080102e4>] _stext+0x2e4/0x37c
[   26.235822][ T3030] softirqs last disabled at (8213): [<ffff800008017c14>] ____do_softirq+0x14/0x20
[   26.238050][ T3030] ---[ end trace 0000000000000000 ]---