Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts.
executing program
[   44.007881][ T3961] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[   44.010612][ T3961] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3961, name: syz-executor422
[   44.013024][ T3961] 2 locks held by syz-executor422/3961:
[   44.014444][ T3961]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   44.016972][ T3961]  #1: ffff0000d5882108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   44.019353][ T3961] Preemption disabled at:
[   44.019365][ T3961] [<ffff800010045e3c>] netem_change+0x22c/0x1a90
[   44.022349][ T3961] CPU: 0 PID: 3961 Comm: syz-executor422 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0
[   44.024948][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   44.027434][ T3961] Call trace:
[   44.028284][ T3961]  dump_backtrace+0x0/0x530
[   44.029439][ T3961]  show_stack+0x2c/0x3c
[   44.030510][ T3961]  dump_stack_lvl+0x108/0x170
[   44.031685][ T3961]  dump_stack+0x1c/0x58
[   44.032837][ T3961]  ___might_sleep+0x380/0x4dc
[   44.034073][ T3961]  __might_sleep+0x98/0xf0
[   44.035240][ T3961]  slab_pre_alloc_hook+0x58/0xe8
[   44.036583][ T3961]  __kmalloc_node+0xbc/0x5b8
[   44.037802][ T3961]  kvmalloc_node+0x88/0x204
[   44.039011][ T3961]  get_dist_table+0x9c/0x2a4
[   44.040193][ T3961]  netem_change+0x7cc/0x1a90
[   44.041387][ T3961]  netem_init+0x54/0xb8
[   44.042498][ T3961]  qdisc_create+0x6fc/0xf44
[   44.043656][ T3961]  tc_modify_qdisc+0x8dc/0x1344
[   44.044923][ T3961]  rtnetlink_rcv_msg+0xa74/0xdac
[   44.046197][ T3961]  netlink_rcv_skb+0x20c/0x3b8
[   44.047442][ T3961]  rtnetlink_rcv+0x28/0x38
[   44.048604][ T3961]  netlink_unicast+0x664/0x938
[   44.049840][ T3961]  netlink_sendmsg+0x844/0xb38
[   44.051102][ T3961]  ____sys_sendmsg+0x584/0x870
[   44.052361][ T3961]  ___sys_sendmsg+0x214/0x294
[   44.053609][ T3961]  __arm64_sys_sendmsg+0x1ac/0x25c
[   44.054966][ T3961]  invoke_syscall+0x98/0x2b8
[   44.056170][ T3961]  el0_svc_common+0x138/0x258
[   44.057429][ T3961]  do_el0_svc+0x58/0x14c
[   44.058550][ T3961]  el0_svc+0x7c/0x1f0
[   44.059632][ T3961]  el0t_64_sync_handler+0x84/0xe4
[   44.061026][ T3961]  el0t_64_sync+0x1a0/0x1a4
[   44.062333][ T3961] 
[   44.062898][ T3961] ============================================
[   44.064412][ T3961] WARNING: possible recursive locking detected
[   44.065949][ T3961] 5.15.126-syzkaller-00092-g24c4de4069cb #0 Tainted: G        W        
[   44.068085][ T3961] --------------------------------------------
[   44.069639][ T3961] syz-executor422/3961 is trying to acquire lock:
[   44.071246][ T3961] ffff0000d5882108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4
[   44.073537][ T3961] 
[   44.073537][ T3961] but task is already holding lock:
[   44.075452][ T3961] ffff0000d5882108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   44.077748][ T3961] 
[   44.077748][ T3961] other info that might help us debug this:
[   44.079847][ T3961]  Possible unsafe locking scenario:
[   44.079847][ T3961] 
[   44.081798][ T3961]        CPU0
[   44.082615][ T3961]        ----
[   44.083458][ T3961]   lock(&sch->q.lock);
[   44.084531][ T3961]   lock(&sch->q.lock);
[   44.085594][ T3961] 
[   44.085594][ T3961]  *** DEADLOCK ***
[   44.085594][ T3961] 
[   44.087674][ T3961]  May be due to missing lock nesting notation
[   44.087674][ T3961] 
[   44.089930][ T3961] 2 locks held by syz-executor422/3961:
[   44.091342][ T3961]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   44.093799][ T3961]  #1: ffff0000d5882108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   44.096203][ T3961] 
[   44.096203][ T3961] stack backtrace:
[   44.097779][ T3961] CPU: 0 PID: 3961 Comm: syz-executor422 Tainted: G        W         5.15.126-syzkaller-00092-g24c4de4069cb #0
[   44.100753][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   44.103367][ T3961] Call trace:
[   44.104204][ T3961]  dump_backtrace+0x0/0x530
[   44.105345][ T3961]  show_stack+0x2c/0x3c
[   44.106428][ T3961]  dump_stack_lvl+0x108/0x170
[   44.107651][ T3961]  dump_stack+0x1c/0x58
[   44.108777][ T3961]  __lock_acquire+0x62b4/0x7620
[   44.110017][ T3961]  lock_acquire+0x240/0x77c
[   44.111208][ T3961]  _raw_spin_lock_bh+0x124/0x1c4
[   44.112463][ T3961]  get_dist_table+0x1f0/0x2a4
[   44.113636][ T3961]  netem_change+0x7cc/0x1a90
[   44.114847][ T3961]  netem_init+0x54/0xb8
[   44.115900][ T3961]  qdisc_create+0x6fc/0xf44
[   44.117061][ T3961]  tc_modify_qdisc+0x8dc/0x1344
[   44.118320][ T3961]  rtnetlink_rcv_msg+0xa74/0xdac
[   44.119598][ T3961]  netlink_rcv_skb+0x20c/0x3b8
[   44.120855][ T3961]  rtnetlink_rcv+0x28/0x38
[   44.121938][ T3961]  netlink_unicast+0x664/0x938
[   44.123139][ T3961]  netlink_sendmsg+0x844/0xb38
[   44.124336][ T3961]  ____sys_sendmsg+0x584/0x870
[   44.125633][ T3961]  ___sys_sendmsg+0x214/0x294
[   44.126851][ T3961]  __arm64_sys_sendmsg+0x1ac/0x25c
[   44.128161][ T3961]  invoke_syscall+0x98/0x2b8
[   44.129365][ T3961]  el0_svc_common+0x138/0x258
[   44.130591][ T3961]  do_el0_svc+0x58/0x14c
[   44.131677][ T3961]  el0_svc+0x7c/0x1f0
[   44.132739][ T3961]  el0t_64_sync_handler+0x84/0xe4
[   44.134038][ T3961]  el0t_64_sync+0x1a0/0x1a4