Warning: Permanently added '10.128.1.89' (ED25519) to the list of known hosts.
executing program
[   43.170445][ T3963] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[   43.172713][ T3963] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3963, name: syz-executor347
[   43.174776][ T3963] 2 locks held by syz-executor347/3963:
[   43.175931][ T3963]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   43.177918][ T3963]  #1: ffff0000c8bbf108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   43.179976][ T3963] Preemption disabled at:
[   43.179988][ T3963] [<ffff800010045e3c>] netem_change+0x22c/0x1a90
[   43.182211][ T3963] CPU: 1 PID: 3963 Comm: syz-executor347 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0
[   43.184401][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   43.186550][ T3963] Call trace:
[   43.187265][ T3963]  dump_backtrace+0x0/0x530
[   43.188239][ T3963]  show_stack+0x2c/0x3c
[   43.189196][ T3963]  dump_stack_lvl+0x108/0x170
[   43.190223][ T3963]  dump_stack+0x1c/0x58
[   43.191121][ T3963]  ___might_sleep+0x380/0x4dc
[   43.192156][ T3963]  __might_sleep+0x98/0xf0
[   43.193156][ T3963]  slab_pre_alloc_hook+0x58/0xe8
[   43.194142][ T3963]  __kmalloc_node+0xbc/0x5b8
[   43.195077][ T3963]  kvmalloc_node+0x88/0x204
[   43.196021][ T3963]  get_dist_table+0x9c/0x2a4
[   43.197043][ T3963]  netem_change+0x7cc/0x1a90
[   43.198014][ T3963]  netem_init+0x54/0xb8
[   43.198959][ T3963]  qdisc_create+0x6fc/0xf44
[   43.199881][ T3963]  tc_modify_qdisc+0x8dc/0x1344
[   43.200925][ T3963]  rtnetlink_rcv_msg+0xa74/0xdac
[   43.201952][ T3963]  netlink_rcv_skb+0x20c/0x3b8
[   43.203004][ T3963]  rtnetlink_rcv+0x28/0x38
[   43.203955][ T3963]  netlink_unicast+0x664/0x938
[   43.204949][ T3963]  netlink_sendmsg+0x844/0xb38
[   43.205973][ T3963]  ____sys_sendmsg+0x584/0x870
[   43.207026][ T3963]  ___sys_sendmsg+0x214/0x294
[   43.208042][ T3963]  __arm64_sys_sendmsg+0x1ac/0x25c
[   43.209211][ T3963]  invoke_syscall+0x98/0x2b8
[   43.210225][ T3963]  el0_svc_common+0x138/0x258
[   43.211279][ T3963]  do_el0_svc+0x58/0x14c
[   43.212227][ T3963]  el0_svc+0x7c/0x1f0
[   43.213054][ T3963]  el0t_64_sync_handler+0x84/0xe4
[   43.214134][ T3963]  el0t_64_sync+0x1a0/0x1a4
[   43.215495][ T3963] 
[   43.216016][ T3963] ============================================
[   43.217349][ T3963] WARNING: possible recursive locking detected
[   43.218698][ T3963] 5.15.126-syzkaller-00092-g24c4de4069cb #0 Tainted: G        W        
[   43.220506][ T3963] --------------------------------------------
[   43.221757][ T3963] syz-executor347/3963 is trying to acquire lock:
[   43.223156][ T3963] ffff0000c8bbf108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4
[   43.225226][ T3963] 
[   43.225226][ T3963] but task is already holding lock:
[   43.226980][ T3963] ffff0000c8bbf108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   43.229023][ T3963] 
[   43.229023][ T3963] other info that might help us debug this:
[   43.230699][ T3963]  Possible unsafe locking scenario:
[   43.230699][ T3963] 
[   43.232342][ T3963]        CPU0
[   43.233003][ T3963]        ----
[   43.233731][ T3963]   lock(&sch->q.lock);
[   43.234586][ T3963]   lock(&sch->q.lock);
[   43.235433][ T3963] 
[   43.235433][ T3963]  *** DEADLOCK ***
[   43.235433][ T3963] 
[   43.237188][ T3963]  May be due to missing lock nesting notation
[   43.237188][ T3963] 
[   43.239020][ T3963] 2 locks held by syz-executor347/3963:
[   43.240273][ T3963]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   43.242375][ T3963]  #1: ffff0000c8bbf108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   43.244410][ T3963] 
[   43.244410][ T3963] stack backtrace:
[   43.245721][ T3963] CPU: 1 PID: 3963 Comm: syz-executor347 Tainted: G        W         5.15.126-syzkaller-00092-g24c4de4069cb #0
[   43.248192][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   43.250325][ T3963] Call trace:
[   43.251037][ T3963]  dump_backtrace+0x0/0x530
[   43.252014][ T3963]  show_stack+0x2c/0x3c
[   43.252987][ T3963]  dump_stack_lvl+0x108/0x170
[   43.253952][ T3963]  dump_stack+0x1c/0x58
[   43.254893][ T3963]  __lock_acquire+0x62b4/0x7620
[   43.255969][ T3963]  lock_acquire+0x240/0x77c
[   43.256912][ T3963]  _raw_spin_lock_bh+0x124/0x1c4
[   43.257967][ T3963]  get_dist_table+0x1f0/0x2a4
[   43.258986][ T3963]  netem_change+0x7cc/0x1a90
[   43.259989][ T3963]  netem_init+0x54/0xb8
[   43.260925][ T3963]  qdisc_create+0x6fc/0xf44
[   43.261957][ T3963]  tc_modify_qdisc+0x8dc/0x1344
[   43.263045][ T3963]  rtnetlink_rcv_msg+0xa74/0xdac
[   43.264227][ T3963]  netlink_rcv_skb+0x20c/0x3b8
[   43.265203][ T3963]  rtnetlink_rcv+0x28/0x38
[   43.266179][ T3963]  netlink_unicast+0x664/0x938
[   43.267247][ T3963]  netlink_sendmsg+0x844/0xb38
[   43.268302][ T3963]  ____sys_sendmsg+0x584/0x870
[   43.269317][ T3963]  ___sys_sendmsg+0x214/0x294
[   43.270333][ T3963]  __arm64_sys_sendmsg+0x1ac/0x25c
[   43.271359][ T3963]  invoke_syscall+0x98/0x2b8
[   43.272363][ T3963]  el0_svc_common+0x138/0x258
[   43.273371][ T3963]  do_el0_svc+0x58/0x14c
[   43.274348][ T3963]  el0_svc+0x7c/0x1f0
[   43.275210][ T3963]  el0t_64_sync_handler+0x84/0xe4
[   43.276375][ T3963]  el0t_64_sync+0x1a0/0x1a4