Warning: Permanently added '10.128.1.87' (ED25519) to the list of known hosts.
executing program
[   34.065492][ T4218] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[   34.068072][ T4218] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4218, name: syz-executor221
[   34.070419][ T4218] preempt_count: 201, expected: 0
[   34.071730][ T4218] RCU nest depth: 0, expected: 0
[   34.072982][ T4218] 2 locks held by syz-executor221/4218:
[   34.074477][ T4218]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   34.076919][ T4218]  #1: ffff0000d0765908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   34.079360][ T4218] Preemption disabled at:
[   34.079370][ T4218] [<ffff8000106c9e9c>] sch_tree_lock+0x120/0x1d4
[   34.082068][ T4218] CPU: 0 PID: 4218 Comm: syz-executor221 Not tainted 6.1.45-syzkaller #0
[   34.084157][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   34.086783][ T4218] Call trace:
[   34.087663][ T4218]  dump_backtrace+0x1c8/0x1f4
[   34.088880][ T4218]  show_stack+0x2c/0x3c
[   34.089928][ T4218]  dump_stack_lvl+0x108/0x170
[   34.091120][ T4218]  dump_stack+0x1c/0x58
[   34.092212][ T4218]  __might_resched+0x37c/0x4d8
[   34.093389][ T4218]  __might_sleep+0x90/0xe4
[   34.094565][ T4218]  __kmem_cache_alloc_node+0x74/0x388
[   34.095942][ T4218]  __kmalloc_node+0xcc/0x1d0
[   34.097095][ T4218]  kvmalloc_node+0x84/0x1e4
[   34.098273][ T4218]  get_dist_table+0xa0/0x354
[   34.099520][ T4218]  netem_change+0x754/0x1900
[   34.100706][ T4218]  netem_init+0x54/0xb8
[   34.101760][ T4218]  qdisc_create+0x70c/0xe64
[   34.102906][ T4218]  tc_modify_qdisc+0x9f0/0x1840
[   34.104340][ T4218]  rtnetlink_rcv_msg+0x72c/0xd94
[   34.105658][ T4218]  netlink_rcv_skb+0x20c/0x3b8
[   34.106912][ T4218]  rtnetlink_rcv+0x28/0x38
[   34.108056][ T4218]  netlink_unicast+0x660/0x8d4
[   34.109296][ T4218]  netlink_sendmsg+0x834/0xb18
[   34.110531][ T4218]  ____sys_sendmsg+0x558/0x844
[   34.111763][ T4218]  __sys_sendmsg+0x26c/0x33c
[   34.113008][ T4218]  __arm64_sys_sendmsg+0x80/0x94
[   34.114335][ T4218]  invoke_syscall+0x98/0x2c0
[   34.115574][ T4218]  el0_svc_common+0x138/0x258
[   34.116830][ T4218]  do_el0_svc+0x64/0x218
[   34.117971][ T4218]  el0_svc+0x58/0x168
[   34.119049][ T4218]  el0t_64_sync_handler+0x84/0xf0
[   34.120408][ T4218]  el0t_64_sync+0x18c/0x190
[   34.121725][ T4218] 
[   34.122336][ T4218] ============================================
[   34.123898][ T4218] WARNING: possible recursive locking detected
[   34.125519][ T4218] 6.1.45-syzkaller #0 Tainted: G        W         
[   34.127215][ T4218] --------------------------------------------
[   34.128771][ T4218] syz-executor221/4218 is trying to acquire lock:
[   34.130456][ T4218] ffff0000d0765908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354
[   34.132733][ T4218] 
[   34.132733][ T4218] but task is already holding lock:
[   34.134645][ T4218] ffff0000d0765908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   34.136945][ T4218] 
[   34.136945][ T4218] other info that might help us debug this:
[   34.139081][ T4218]  Possible unsafe locking scenario:
[   34.139081][ T4218] 
[   34.140981][ T4218]        CPU0
[   34.141846][ T4218]        ----
[   34.142668][ T4218]   lock(&sch->q.lock);
[   34.143745][ T4218]   lock(&sch->q.lock);
[   34.144833][ T4218] 
[   34.144833][ T4218]  *** DEADLOCK ***
[   34.144833][ T4218] 
[   34.146945][ T4218]  May be due to missing lock nesting notation
[   34.146945][ T4218] 
[   34.149061][ T4218] 2 locks held by syz-executor221/4218:
[   34.150489][ T4218]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   34.152899][ T4218]  #1: ffff0000d0765908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   34.155309][ T4218] 
[   34.155309][ T4218] stack backtrace:
[   34.156821][ T4218] CPU: 0 PID: 4218 Comm: syz-executor221 Tainted: G        W          6.1.45-syzkaller #0
[   34.159336][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   34.161950][ T4218] Call trace:
[   34.162759][ T4218]  dump_backtrace+0x1c8/0x1f4
[   34.163998][ T4218]  show_stack+0x2c/0x3c
[   34.165055][ T4218]  dump_stack_lvl+0x108/0x170
[   34.166229][ T4218]  dump_stack+0x1c/0x58
[   34.167268][ T4218]  __lock_acquire+0x6310/0x764c
[   34.168570][ T4218]  lock_acquire+0x26c/0x7cc
[   34.169764][ T4218]  _raw_spin_lock_bh+0x54/0x6c
[   34.171016][ T4218]  get_dist_table+0x240/0x354
[   34.172237][ T4218]  netem_change+0x754/0x1900
[   34.173404][ T4218]  netem_init+0x54/0xb8
[   34.174466][ T4218]  qdisc_create+0x70c/0xe64
[   34.175621][ T4218]  tc_modify_qdisc+0x9f0/0x1840
[   34.176919][ T4218]  rtnetlink_rcv_msg+0x72c/0xd94
[   34.178189][ T4218]  netlink_rcv_skb+0x20c/0x3b8
[   34.179487][ T4218]  rtnetlink_rcv+0x28/0x38
[   34.180627][ T4218]  netlink_unicast+0x660/0x8d4
[   34.181904][ T4218]  netlink_sendmsg+0x834/0xb18
[   34.183122][ T4218]  ____sys_sendmsg+0x558/0x844
[   34.184329][ T4218]  __sys_sendmsg+0x26c/0x33c
[   34.185488][ T4218]  __arm64_sys_sendmsg+0x80/0x94
[   34.186773][ T4218]  invoke_syscall+0x98/0x2c0
[   34.188007][ T4218]  el0_svc_common+0x138/0x258
[   34.189242][ T4218]  do_el0_svc+0x64/0x218
[   34.190316][ T4218]  el0_svc+0x58/0x168
[   34.191361][ T4218]  el0t_64_sync_handler+0x84/0xf0
[   34.192724][ T4218]  el0t_64_sync+0x18c/0x190