Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts.
executing program
[   39.347831][ T3962] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[   39.350614][ T3962] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3962, name: syz-executor214
[   39.353035][ T3962] 2 locks held by syz-executor214/3962:
[   39.354437][ T3962]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   39.356826][ T3962]  #1: ffff0000da788108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.359299][ T3962] Preemption disabled at:
[   39.359311][ T3962] [<ffff800010045e3c>] netem_change+0x22c/0x1a90
[   39.362122][ T3962] CPU: 0 PID: 3962 Comm: syz-executor214 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0
[   39.364742][ T3962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.367234][ T3962] Call trace:
[   39.368062][ T3962]  dump_backtrace+0x0/0x530
[   39.369202][ T3962]  show_stack+0x2c/0x3c
[   39.370282][ T3962]  dump_stack_lvl+0x108/0x170
[   39.371495][ T3962]  dump_stack+0x1c/0x58
[   39.372579][ T3962]  ___might_sleep+0x380/0x4dc
[   39.373788][ T3962]  __might_sleep+0x98/0xf0
[   39.374926][ T3962]  slab_pre_alloc_hook+0x58/0xe8
[   39.376227][ T3962]  __kmalloc_node+0xbc/0x5b8
[   39.377422][ T3962]  kvmalloc_node+0x88/0x204
[   39.378574][ T3962]  get_dist_table+0x9c/0x2a4
[   39.379775][ T3962]  netem_change+0x7cc/0x1a90
[   39.380964][ T3962]  netem_init+0x54/0xb8
[   39.382054][ T3962]  qdisc_create+0x6fc/0xf44
[   39.383200][ T3962]  tc_modify_qdisc+0x8dc/0x1344
[   39.384506][ T3962]  rtnetlink_rcv_msg+0xa74/0xdac
[   39.385803][ T3962]  netlink_rcv_skb+0x20c/0x3b8
[   39.387051][ T3962]  rtnetlink_rcv+0x28/0x38
[   39.388182][ T3962]  netlink_unicast+0x664/0x938
[   39.389397][ T3962]  netlink_sendmsg+0x844/0xb38
[   39.390696][ T3962]  ____sys_sendmsg+0x584/0x870
[   39.391981][ T3962]  ___sys_sendmsg+0x214/0x294
[   39.393189][ T3962]  __arm64_sys_sendmsg+0x1ac/0x25c
[   39.394592][ T3962]  invoke_syscall+0x98/0x2b8
[   39.395824][ T3962]  el0_svc_common+0x138/0x258
[   39.397062][ T3962]  do_el0_svc+0x58/0x14c
[   39.398175][ T3962]  el0_svc+0x7c/0x1f0
[   39.399238][ T3962]  el0t_64_sync_handler+0x84/0xe4
[   39.400582][ T3962]  el0t_64_sync+0x1a0/0x1a4
[   39.401893][ T3962] 
[   39.402464][ T3962] ============================================
[   39.404058][ T3962] WARNING: possible recursive locking detected
[   39.405624][ T3962] 5.15.126-syzkaller-00092-g24c4de4069cb #0 Tainted: G        W        
[   39.407721][ T3962] --------------------------------------------
[   39.409310][ T3962] syz-executor214/3962 is trying to acquire lock:
[   39.410984][ T3962] ffff0000da788108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4
[   39.413283][ T3962] 
[   39.413283][ T3962] but task is already holding lock:
[   39.415190][ T3962] ffff0000da788108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.417561][ T3962] 
[   39.417561][ T3962] other info that might help us debug this:
[   39.419649][ T3962]  Possible unsafe locking scenario:
[   39.419649][ T3962] 
[   39.421589][ T3962]        CPU0
[   39.422427][ T3962]        ----
[   39.423260][ T3962]   lock(&sch->q.lock);
[   39.424324][ T3962]   lock(&sch->q.lock);
[   39.425407][ T3962] 
[   39.425407][ T3962]  *** DEADLOCK ***
[   39.425407][ T3962] 
[   39.427527][ T3962]  May be due to missing lock nesting notation
[   39.427527][ T3962] 
[   39.429637][ T3962] 2 locks held by syz-executor214/3962:
[   39.431076][ T3962]  #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   39.433546][ T3962]  #1: ffff0000da788108 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.435940][ T3962] 
[   39.435940][ T3962] stack backtrace:
[   39.437436][ T3962] CPU: 0 PID: 3962 Comm: syz-executor214 Tainted: G        W         5.15.126-syzkaller-00092-g24c4de4069cb #0
[   39.440480][ T3962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.443099][ T3962] Call trace:
[   39.443929][ T3962]  dump_backtrace+0x0/0x530
[   39.445071][ T3962]  show_stack+0x2c/0x3c
[   39.446159][ T3962]  dump_stack_lvl+0x108/0x170
[   39.447364][ T3962]  dump_stack+0x1c/0x58
[   39.448449][ T3962]  __lock_acquire+0x62b4/0x7620
[   39.449727][ T3962]  lock_acquire+0x240/0x77c
[   39.450876][ T3962]  _raw_spin_lock_bh+0x124/0x1c4
[   39.452150][ T3962]  get_dist_table+0x1f0/0x2a4
[   39.453360][ T3962]  netem_change+0x7cc/0x1a90
[   39.454529][ T3962]  netem_init+0x54/0xb8
[   39.455596][ T3962]  qdisc_create+0x6fc/0xf44
[   39.456777][ T3962]  tc_modify_qdisc+0x8dc/0x1344
[   39.458053][ T3962]  rtnetlink_rcv_msg+0xa74/0xdac
[   39.459297][ T3962]  netlink_rcv_skb+0x20c/0x3b8
[   39.460535][ T3962]  rtnetlink_rcv+0x28/0x38
[   39.461666][ T3962]  netlink_unicast+0x664/0x938
[   39.462903][ T3962]  netlink_sendmsg+0x844/0xb38
[   39.464123][ T3962]  ____sys_sendmsg+0x584/0x870
[   39.465345][ T3962]  ___sys_sendmsg+0x214/0x294
[   39.466545][ T3962]  __arm64_sys_sendmsg+0x1ac/0x25c
[   39.467939][ T3962]  invoke_syscall+0x98/0x2b8
[   39.469123][ T3962]  el0_svc_common+0x138/0x258
[   39.470330][ T3962]  do_el0_svc+0x58/0x14c
[   39.471428][ T3962]  el0_svc+0x7c/0x1f0
[   39.472455][ T3962]  el0t_64_sync_handler+0x84/0xe4
[   39.473790][ T3962]  el0t_64_sync+0x1a0/0x1a4