Warning: Permanently added '10.128.0.150' (ED25519) to the list of known hosts.
executing program
[   42.097596][ T3972] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[   42.100325][ T3972] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3972, name: syz-executor111
[   42.102814][ T3972] 2 locks held by syz-executor111/3972:
[   42.104213][ T3972]  #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   42.106761][ T3972]  #1: ffff0000c8ac1108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   42.109333][ T3972] Preemption disabled at:
[   42.109346][ T3972] [<ffff800010045f5c>] netem_change+0x22c/0x1a90
[   42.112011][ T3972] CPU: 1 PID: 3972 Comm: syz-executor111 Not tainted 5.15.123-syzkaller #0
[   42.114193][ T3972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   42.116757][ T3972] Call trace:
[   42.117645][ T3972]  dump_backtrace+0x0/0x530
[   42.118852][ T3972]  show_stack+0x2c/0x3c
[   42.119980][ T3972]  dump_stack_lvl+0x108/0x170
[   42.121253][ T3972]  dump_stack+0x1c/0x58
[   42.122372][ T3972]  ___might_sleep+0x380/0x4dc
[   42.123646][ T3972]  __might_sleep+0x98/0xf0
[   42.124820][ T3972]  slab_pre_alloc_hook+0x58/0xe8
[   42.126128][ T3972]  __kmalloc_node+0xbc/0x5b8
[   42.127310][ T3972]  kvmalloc_node+0x88/0x204
[   42.128499][ T3972]  get_dist_table+0x9c/0x2a4
[   42.129672][ T3972]  netem_change+0x820/0x1a90
[   42.130919][ T3972]  netem_init+0x54/0xb8
[   42.132035][ T3972]  qdisc_create+0x6fc/0xf44
[   42.133230][ T3972]  tc_modify_qdisc+0x8dc/0x1344
[   42.134477][ T3972]  rtnetlink_rcv_msg+0xa74/0xdac
[   42.135770][ T3972]  netlink_rcv_skb+0x20c/0x3b8
[   42.136972][ T3972]  rtnetlink_rcv+0x28/0x38
[   42.138114][ T3972]  netlink_unicast+0x664/0x938
[   42.139353][ T3972]  netlink_sendmsg+0x844/0xb38
[   42.140582][ T3972]  ____sys_sendmsg+0x584/0x870
[   42.141820][ T3972]  ___sys_sendmsg+0x214/0x294
[   42.143024][ T3972]  __arm64_sys_sendmsg+0x1ac/0x25c
[   42.144419][ T3972]  invoke_syscall+0x98/0x2b8
[   42.145669][ T3972]  el0_svc_common+0x138/0x258
[   42.146913][ T3972]  do_el0_svc+0x58/0x14c
[   42.148019][ T3972]  el0_svc+0x7c/0x1f0
[   42.149100][ T3972]  el0t_64_sync_handler+0x84/0xe4
[   42.150450][ T3972]  el0t_64_sync+0x1a0/0x1a4
[   42.151799][ T3972] 
[   42.152380][ T3972] ============================================
[   42.153906][ T3972] WARNING: possible recursive locking detected
[   42.155419][ T3972] 5.15.123-syzkaller #0 Tainted: G        W        
[   42.157115][ T3972] --------------------------------------------
[   42.158696][ T3972] syz-executor111/3972 is trying to acquire lock:
[   42.160378][ T3972] ffff0000c8ac1108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4
[   42.162721][ T3972] 
[   42.162721][ T3972] but task is already holding lock:
[   42.164679][ T3972] ffff0000c8ac1108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   42.166992][ T3972] 
[   42.166992][ T3972] other info that might help us debug this:
[   42.169079][ T3972]  Possible unsafe locking scenario:
[   42.169079][ T3972] 
[   42.171036][ T3972]        CPU0
[   42.171908][ T3972]        ----
[   42.172782][ T3972]   lock(&sch->q.lock);
[   42.173881][ T3972]   lock(&sch->q.lock);
[   42.174975][ T3972] 
[   42.174975][ T3972]  *** DEADLOCK ***
[   42.174975][ T3972] 
[   42.177136][ T3972]  May be due to missing lock nesting notation
[   42.177136][ T3972] 
[   42.179330][ T3972] 2 locks held by syz-executor111/3972:
[   42.180768][ T3972]  #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   42.183299][ T3972]  #1: ffff0000c8ac1108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   42.185753][ T3972] 
[   42.185753][ T3972] stack backtrace:
[   42.187287][ T3972] CPU: 1 PID: 3972 Comm: syz-executor111 Tainted: G        W         5.15.123-syzkaller #0
[   42.189816][ T3972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   42.192458][ T3972] Call trace:
[   42.193344][ T3972]  dump_backtrace+0x0/0x530
[   42.194560][ T3972]  show_stack+0x2c/0x3c
[   42.195667][ T3972]  dump_stack_lvl+0x108/0x170
[   42.196884][ T3972]  dump_stack+0x1c/0x58
[   42.197969][ T3972]  __lock_acquire+0x62b4/0x7620
[   42.199224][ T3972]  lock_acquire+0x240/0x77c
[   42.200398][ T3972]  _raw_spin_lock_bh+0x124/0x1c4
[   42.201700][ T3972]  get_dist_table+0x1f0/0x2a4
[   42.202922][ T3972]  netem_change+0x820/0x1a90
[   42.204140][ T3972]  netem_init+0x54/0xb8
[   42.205232][ T3972]  qdisc_create+0x6fc/0xf44
[   42.206384][ T3972]  tc_modify_qdisc+0x8dc/0x1344
[   42.207635][ T3972]  rtnetlink_rcv_msg+0xa74/0xdac
[   42.208900][ T3972]  netlink_rcv_skb+0x20c/0x3b8
[   42.210160][ T3972]  rtnetlink_rcv+0x28/0x38
[   42.211306][ T3972]  netlink_unicast+0x664/0x938
[   42.212563][ T3972]  netlink_sendmsg+0x844/0xb38
[   42.213824][ T3972]  ____sys_sendmsg+0x584/0x870
[   42.215091][ T3972]  ___sys_sendmsg+0x214/0x294
[   42.216317][ T3972]  __arm64_sys_sendmsg+0x1ac/0x25c
[   42.217655][ T3972]  invoke_syscall+0x98/0x2b8
[   42.218866][ T3972]  el0_svc_common+0x138/0x258
[   42.220131][ T3972]  do_el0_svc+0x58/0x14c
[   42.221275][ T3972]  el0_svc+0x7c/0x1f0
[   42.222361][ T3972]  el0t_64_sync_handler+0x84/0xe4
[   42.223685][ T3972]  el0t_64_sync+0x1a0/0x1a4