Warning: Permanently added '10.128.1.86' (ED25519) to the list of known hosts.
executing program
[   39.771298][ T3960] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[   39.774063][ T3960] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3960, name: syz-executor219
[   39.776532][ T3960] 2 locks held by syz-executor219/3960:
[   39.777970][ T3960]  #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   39.780440][ T3960]  #1: ffff0000c9d88908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.782864][ T3960] Preemption disabled at:
[   39.782877][ T3960] [<ffff800010045f5c>] netem_change+0x22c/0x1a90
[   39.785735][ T3960] CPU: 1 PID: 3960 Comm: syz-executor219 Not tainted 5.15.123-syzkaller #0
[   39.787893][ T3960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.790453][ T3960] Call trace:
[   39.791282][ T3960]  dump_backtrace+0x0/0x530
[   39.792457][ T3960]  show_stack+0x2c/0x3c
[   39.793549][ T3960]  dump_stack_lvl+0x108/0x170
[   39.794797][ T3960]  dump_stack+0x1c/0x58
[   39.795949][ T3960]  ___might_sleep+0x380/0x4dc
[   39.797159][ T3960]  __might_sleep+0x98/0xf0
[   39.798318][ T3960]  slab_pre_alloc_hook+0x58/0xe8
[   39.799619][ T3960]  __kmalloc_node+0xbc/0x5b8
[   39.800874][ T3960]  kvmalloc_node+0x88/0x204
[   39.802139][ T3960]  get_dist_table+0x9c/0x2a4
[   39.803384][ T3960]  netem_change+0x7cc/0x1a90
[   39.804657][ T3960]  netem_init+0x54/0xb8
[   39.805724][ T3960]  qdisc_create+0x6fc/0xf44
[   39.806943][ T3960]  tc_modify_qdisc+0x8dc/0x1344
[   39.808235][ T3960]  rtnetlink_rcv_msg+0xa74/0xdac
[   39.809558][ T3960]  netlink_rcv_skb+0x20c/0x3b8
[   39.810836][ T3960]  rtnetlink_rcv+0x28/0x38
[   39.812005][ T3960]  netlink_unicast+0x664/0x938
[   39.813281][ T3960]  netlink_sendmsg+0x844/0xb38
[   39.814582][ T3960]  ____sys_sendmsg+0x584/0x870
[   39.815849][ T3960]  ___sys_sendmsg+0x214/0x294
[   39.817103][ T3960]  __arm64_sys_sendmsg+0x1ac/0x25c
[   39.818528][ T3960]  invoke_syscall+0x98/0x2b8
[   39.819780][ T3960]  el0_svc_common+0x138/0x258
[   39.821076][ T3960]  do_el0_svc+0x58/0x14c
[   39.822243][ T3960]  el0_svc+0x7c/0x1f0
[   39.823323][ T3960]  el0t_64_sync_handler+0x84/0xe4
[   39.824615][ T3960]  el0t_64_sync+0x1a0/0x1a4
[   39.825912][ T3960] 
[   39.826533][ T3960] ============================================
[   39.828123][ T3960] WARNING: possible recursive locking detected
[   39.829690][ T3960] 5.15.123-syzkaller #0 Tainted: G        W        
[   39.831448][ T3960] --------------------------------------------
[   39.833159][ T3960] syz-executor219/3960 is trying to acquire lock:
[   39.834936][ T3960] ffff0000c9d88908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4
[   39.837368][ T3960] 
[   39.837368][ T3960] but task is already holding lock:
[   39.839404][ T3960] ffff0000c9d88908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.841874][ T3960] 
[   39.841874][ T3960] other info that might help us debug this:
[   39.844107][ T3960]  Possible unsafe locking scenario:
[   39.844107][ T3960] 
[   39.846184][ T3960]        CPU0
[   39.847077][ T3960]        ----
[   39.847952][ T3960]   lock(&sch->q.lock);
[   39.849098][ T3960]   lock(&sch->q.lock);
[   39.850178][ T3960] 
[   39.850178][ T3960]  *** DEADLOCK ***
[   39.850178][ T3960] 
[   39.852355][ T3960]  May be due to missing lock nesting notation
[   39.852355][ T3960] 
[   39.854603][ T3960] 2 locks held by syz-executor219/3960:
[   39.856093][ T3960]  #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac
[   39.858677][ T3960]  #1: ffff0000c9d88908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90
[   39.861183][ T3960] 
[   39.861183][ T3960] stack backtrace:
[   39.862741][ T3960] CPU: 1 PID: 3960 Comm: syz-executor219 Tainted: G        W         5.15.123-syzkaller #0
[   39.865424][ T3960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.868107][ T3960] Call trace:
[   39.868946][ T3960]  dump_backtrace+0x0/0x530
[   39.870159][ T3960]  show_stack+0x2c/0x3c
[   39.871297][ T3960]  dump_stack_lvl+0x108/0x170
[   39.872559][ T3960]  dump_stack+0x1c/0x58
[   39.873694][ T3960]  __lock_acquire+0x62b4/0x7620
[   39.874999][ T3960]  lock_acquire+0x240/0x77c
[   39.876186][ T3960]  _raw_spin_lock_bh+0x124/0x1c4
[   39.877499][ T3960]  get_dist_table+0x1f0/0x2a4
[   39.878782][ T3960]  netem_change+0x7cc/0x1a90
[   39.880016][ T3960]  netem_init+0x54/0xb8
[   39.881130][ T3960]  qdisc_create+0x6fc/0xf44
[   39.882352][ T3960]  tc_modify_qdisc+0x8dc/0x1344
[   39.883678][ T3960]  rtnetlink_rcv_msg+0xa74/0xdac
[   39.885033][ T3960]  netlink_rcv_skb+0x20c/0x3b8
[   39.886325][ T3960]  rtnetlink_rcv+0x28/0x38
[   39.887546][ T3960]  netlink_unicast+0x664/0x938
[   39.888838][ T3960]  netlink_sendmsg+0x844/0xb38
[   39.890098][ T3960]  ____sys_sendmsg+0x584/0x870
[   39.891365][ T3960]  ___sys_sendmsg+0x214/0x294
[   39.892618][ T3960]  __arm64_sys_sendmsg+0x1ac/0x25c
[   39.894036][ T3960]  invoke_syscall+0x98/0x2b8
[   39.895310][ T3960]  el0_svc_common+0x138/0x258
[   39.896576][ T3960]  do_el0_svc+0x58/0x14c
[   39.897669][ T3960]  el0_svc+0x7c/0x1f0
[   39.898779][ T3960]  el0t_64_sync_handler+0x84/0xe4
[   39.900136][ T3960]  el0t_64_sync+0x1a0/0x1a4