Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts.
executing program
[   39.954128][ T4218] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[   39.956795][ T4218] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4218, name: syz-executor275
[   39.959216][ T4218] preempt_count: 201, expected: 0
[   39.960447][ T4218] RCU nest depth: 0, expected: 0
[   39.961716][ T4218] 2 locks held by syz-executor275/4218:
[   39.963227][ T4218]  #0: ffff800017e6f7c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   39.965784][ T4218]  #1: ffff0000d0796108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   39.968122][ T4218] Preemption disabled at:
[   39.968132][ T4218] [<ffff8000106c72ec>] sch_tree_lock+0x120/0x1d4
[   39.970798][ T4218] CPU: 1 PID: 4218 Comm: syz-executor275 Not tainted 6.1.42-syzkaller #0
[   39.972999][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.975547][ T4218] Call trace:
[   39.976359][ T4218]  dump_backtrace+0x1c8/0x1f4
[   39.977522][ T4218]  show_stack+0x2c/0x3c
[   39.978502][ T4218]  dump_stack_lvl+0x108/0x170
[   39.979659][ T4218]  dump_stack+0x1c/0x58
[   39.980681][ T4218]  __might_resched+0x37c/0x4d8
[   39.981863][ T4218]  __might_sleep+0x90/0xe4
[   39.983029][ T4218]  __kmem_cache_alloc_node+0x74/0x388
[   39.984425][ T4218]  __kmalloc_node+0xcc/0x1d0
[   39.985569][ T4218]  kvmalloc_node+0x84/0x1e4
[   39.986741][ T4218]  get_dist_table+0xa0/0x354
[   39.987946][ T4218]  netem_change+0x7a4/0x1900
[   39.989146][ T4218]  netem_init+0x54/0xb8
[   39.990211][ T4218]  qdisc_create+0x70c/0xe64
[   39.991394][ T4218]  tc_modify_qdisc+0x9f0/0x1840
[   39.992593][ T4218]  rtnetlink_rcv_msg+0x72c/0xd94
[   39.993881][ T4218]  netlink_rcv_skb+0x20c/0x3b8
[   39.995141][ T4218]  rtnetlink_rcv+0x28/0x38
[   39.996297][ T4218]  netlink_unicast+0x660/0x8d4
[   39.997522][ T4218]  netlink_sendmsg+0x834/0xb18
[   39.998760][ T4218]  ____sys_sendmsg+0x558/0x844
[   39.999983][ T4218]  __sys_sendmsg+0x26c/0x33c
[   40.001184][ T4218]  __arm64_sys_sendmsg+0x80/0x94
[   40.002372][ T4218]  invoke_syscall+0x98/0x2c0
[   40.003585][ T4218]  el0_svc_common+0x138/0x258
[   40.004808][ T4218]  do_el0_svc+0x64/0x218
[   40.005960][ T4218]  el0_svc+0x58/0x168
[   40.007009][ T4218]  el0t_64_sync_handler+0x84/0xf0
[   40.008266][ T4218]  el0t_64_sync+0x18c/0x190
[   40.009467][ T4218] 
[   40.010041][ T4218] ============================================
[   40.011558][ T4218] WARNING: possible recursive locking detected
[   40.013144][ T4218] 6.1.42-syzkaller #0 Tainted: G        W         
[   40.014776][ T4218] --------------------------------------------
[   40.016358][ T4218] syz-executor275/4218 is trying to acquire lock:
[   40.018028][ T4218] ffff0000d0796108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354
[   40.020335][ T4218] 
[   40.020335][ T4218] but task is already holding lock:
[   40.022266][ T4218] ffff0000d0796108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   40.024586][ T4218] 
[   40.024586][ T4218] other info that might help us debug this:
[   40.026708][ T4218]  Possible unsafe locking scenario:
[   40.026708][ T4218] 
[   40.028679][ T4218]        CPU0
[   40.029488][ T4218]        ----
[   40.030316][ T4218]   lock(&sch->q.lock);
[   40.031415][ T4218]   lock(&sch->q.lock);
[   40.032554][ T4218] 
[   40.032554][ T4218]  *** DEADLOCK ***
[   40.032554][ T4218] 
[   40.034637][ T4218]  May be due to missing lock nesting notation
[   40.034637][ T4218] 
[   40.036795][ T4218] 2 locks held by syz-executor275/4218:
[   40.038233][ T4218]  #0: ffff800017e6f7c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   40.040654][ T4218]  #1: ffff0000d0796108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   40.043153][ T4218] 
[   40.043153][ T4218] stack backtrace:
[   40.044684][ T4218] CPU: 1 PID: 4218 Comm: syz-executor275 Tainted: G        W          6.1.42-syzkaller #0
[   40.047234][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   40.049830][ T4218] Call trace:
[   40.050651][ T4218]  dump_backtrace+0x1c8/0x1f4
[   40.051837][ T4218]  show_stack+0x2c/0x3c
[   40.052939][ T4218]  dump_stack_lvl+0x108/0x170
[   40.054094][ T4218]  dump_stack+0x1c/0x58
[   40.055160][ T4218]  __lock_acquire+0x6310/0x764c
[   40.056426][ T4218]  lock_acquire+0x26c/0x7cc
[   40.057590][ T4218]  _raw_spin_lock_bh+0x54/0x6c
[   40.058854][ T4218]  get_dist_table+0x240/0x354
[   40.060054][ T4218]  netem_change+0x7a4/0x1900
[   40.061223][ T4218]  netem_init+0x54/0xb8
[   40.062279][ T4218]  qdisc_create+0x70c/0xe64
[   40.063421][ T4218]  tc_modify_qdisc+0x9f0/0x1840
[   40.064673][ T4218]  rtnetlink_rcv_msg+0x72c/0xd94
[   40.065953][ T4218]  netlink_rcv_skb+0x20c/0x3b8
[   40.067178][ T4218]  rtnetlink_rcv+0x28/0x38
[   40.068308][ T4218]  netlink_unicast+0x660/0x8d4
[   40.069538][ T4218]  netlink_sendmsg+0x834/0xb18
[   40.070803][ T4218]  ____sys_sendmsg+0x558/0x844
[   40.072024][ T4218]  __sys_sendmsg+0x26c/0x33c
[   40.073222][ T4218]  __arm64_sys_sendmsg+0x80/0x94
[   40.074488][ T4218]  invoke_syscall+0x98/0x2c0
[   40.075679][ T4218]  el0_svc_common+0x138/0x258
[   40.076944][ T4218]  do_el0_svc+0x64/0x218
[   40.078006][ T4218]  el0_svc+0x58/0x168
[   40.079043][ T4218]  el0t_64_sync_handler+0x84/0xf0
[   40.080314][ T4218]  el0t_64_sync+0x18c/0x190