Warning: Permanently added '10.128.1.25' (ED25519) to the list of known hosts.
executing program
[   39.954915][ T4217] netlink: 4 bytes leftover after parsing attributes in process `syz-executor421'.
[   39.957556][ T4217] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[   39.959871][ T4217] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4217, name: syz-executor421
[   39.962316][ T4217] preempt_count: 201, expected: 0
[   39.963662][ T4217] RCU nest depth: 0, expected: 0
[   39.964967][ T4217] 2 locks held by syz-executor421/4217:
[   39.966368][ T4217]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   39.968752][ T4217]  #1: ffff0000d4f6e908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   39.971185][ T4217] Preemption disabled at:
[   39.971197][ T4217] [<ffff8000106c9e9c>] sch_tree_lock+0x120/0x1d4
[   39.974031][ T4217] CPU: 1 PID: 4217 Comm: syz-executor421 Not tainted 6.1.45-syzkaller #0
[   39.976214][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   39.978769][ T4217] Call trace:
[   39.979584][ T4217]  dump_backtrace+0x1c8/0x1f4
[   39.980709][ T4217]  show_stack+0x2c/0x3c
[   39.981733][ T4217]  dump_stack_lvl+0x108/0x170
[   39.982871][ T4217]  dump_stack+0x1c/0x58
[   39.983921][ T4217]  __might_resched+0x37c/0x4d8
[   39.985155][ T4217]  __might_sleep+0x90/0xe4
[   39.986282][ T4217]  __kmem_cache_alloc_node+0x74/0x388
[   39.987687][ T4217]  __kmalloc_node+0xcc/0x1d0
[   39.988854][ T4217]  kvmalloc_node+0x84/0x1e4
[   39.990058][ T4217]  get_dist_table+0xa0/0x354
[   39.991282][ T4217]  netem_change+0x7a4/0x1900
[   39.992476][ T4217]  netem_init+0x54/0xb8
[   39.993586][ T4217]  qdisc_create+0x70c/0xe64
[   39.994738][ T4217]  tc_modify_qdisc+0x9f0/0x1840
[   39.996025][ T4217]  rtnetlink_rcv_msg+0x72c/0xd94
[   39.997340][ T4217]  netlink_rcv_skb+0x20c/0x3b8
[   39.998606][ T4217]  rtnetlink_rcv+0x28/0x38
[   39.999791][ T4217]  netlink_unicast+0x660/0x8d4
[   40.001164][ T4217]  netlink_sendmsg+0x834/0xb18
[   40.002495][ T4217]  ____sys_sendmsg+0x558/0x844
[   40.003779][ T4217]  __sys_sendmsg+0x26c/0x33c
[   40.004980][ T4217]  __arm64_sys_sendmsg+0x80/0x94
[   40.006300][ T4217]  invoke_syscall+0x98/0x2c0
[   40.007466][ T4217]  el0_svc_common+0x138/0x258
[   40.008690][ T4217]  do_el0_svc+0x64/0x218
[   40.009783][ T4217]  el0_svc+0x58/0x168
[   40.010822][ T4217]  el0t_64_sync_handler+0x84/0xf0
[   40.012127][ T4217]  el0t_64_sync+0x18c/0x190
[   40.013429][ T4217] 
[   40.014040][ T4217] ============================================
[   40.015708][ T4217] WARNING: possible recursive locking detected
[   40.017334][ T4217] 6.1.45-syzkaller #0 Tainted: G        W         
[   40.019043][ T4217] --------------------------------------------
[   40.020693][ T4217] syz-executor421/4217 is trying to acquire lock:
[   40.022354][ T4217] ffff0000d4f6e908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354
[   40.024711][ T4217] 
[   40.024711][ T4217] but task is already holding lock:
[   40.026617][ T4217] ffff0000d4f6e908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   40.028911][ T4217] 
[   40.028911][ T4217] other info that might help us debug this:
[   40.030995][ T4217]  Possible unsafe locking scenario:
[   40.030995][ T4217] 
[   40.032967][ T4217]        CPU0
[   40.033853][ T4217]        ----
[   40.034754][ T4217]   lock(&sch->q.lock);
[   40.035848][ T4217]   lock(&sch->q.lock);
[   40.036921][ T4217] 
[   40.036921][ T4217]  *** DEADLOCK ***
[   40.036921][ T4217] 
[   40.039037][ T4217]  May be due to missing lock nesting notation
[   40.039037][ T4217] 
[   40.041187][ T4217] 2 locks held by syz-executor421/4217:
[   40.042630][ T4217]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   40.045124][ T4217]  #1: ffff0000d4f6e908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   40.047657][ T4217] 
[   40.047657][ T4217] stack backtrace:
[   40.049173][ T4217] CPU: 1 PID: 4217 Comm: syz-executor421 Tainted: G        W          6.1.45-syzkaller #0
[   40.051776][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   40.054451][ T4217] Call trace:
[   40.055289][ T4217]  dump_backtrace+0x1c8/0x1f4
[   40.056496][ T4217]  show_stack+0x2c/0x3c
[   40.057594][ T4217]  dump_stack_lvl+0x108/0x170
[   40.058780][ T4217]  dump_stack+0x1c/0x58
[   40.059833][ T4217]  __lock_acquire+0x6310/0x764c
[   40.061073][ T4217]  lock_acquire+0x26c/0x7cc
[   40.062221][ T4217]  _raw_spin_lock_bh+0x54/0x6c
[   40.063445][ T4217]  get_dist_table+0x240/0x354
[   40.064666][ T4217]  netem_change+0x7a4/0x1900
[   40.065916][ T4217]  netem_init+0x54/0xb8
[   40.067038][ T4217]  qdisc_create+0x70c/0xe64
[   40.068178][ T4217]  tc_modify_qdisc+0x9f0/0x1840
[   40.069456][ T4217]  rtnetlink_rcv_msg+0x72c/0xd94
[   40.070724][ T4217]  netlink_rcv_skb+0x20c/0x3b8
[   40.071960][ T4217]  rtnetlink_rcv+0x28/0x38
[   40.073160][ T4217]  netlink_unicast+0x660/0x8d4
[   40.074406][ T4217]  netlink_sendmsg+0x834/0xb18
[   40.075644][ T4217]  ____sys_sendmsg+0x558/0x844
[   40.076905][ T4217]  __sys_sendmsg+0x26c/0x33c
[   40.078065][ T4217]  __arm64_sys_sendmsg+0x80/0x94
[   40.079305][ T4217]  invoke_syscall+0x98/0x2c0
[   40.080459][ T4217]  el0_svc_common+0x138/0x258
[   40.081646][ T4217]  do_el0_svc+0x64/0x218
[   40.082733][ T4217]  el0_svc+0x58/0x168
[   40.083753][ T4217]  el0t_64_sync_handler+0x84/0xf0
[   40.085107][ T4217]  el0t_64_sync+0x18c/0x190