Warning: Permanently added '10.128.0.198' (ED25519) to the list of known hosts.
executing program
[   37.045300][ T4216] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[   37.047820][ T4216] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor197
[   37.050315][ T4216] preempt_count: 201, expected: 0
[   37.051610][ T4216] RCU nest depth: 0, expected: 0
[   37.052875][ T4216] 2 locks held by syz-executor197/4216:
[   37.054284][ T4216]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   37.056777][ T4216]  #1: ffff0000d2cfa108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.059298][ T4216] Preemption disabled at:
[   37.059308][ T4216] [<ffff8000106c9e9c>] sch_tree_lock+0x120/0x1d4
[   37.062029][ T4216] CPU: 1 PID: 4216 Comm: syz-executor197 Not tainted 6.1.45-syzkaller #0
[   37.064263][ T4216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   37.066919][ T4216] Call trace:
[   37.067760][ T4216]  dump_backtrace+0x1c8/0x1f4
[   37.068964][ T4216]  show_stack+0x2c/0x3c
[   37.070033][ T4216]  dump_stack_lvl+0x108/0x170
[   37.071288][ T4216]  dump_stack+0x1c/0x58
[   37.072457][ T4216]  __might_resched+0x37c/0x4d8
[   37.073748][ T4216]  __might_sleep+0x90/0xe4
[   37.074901][ T4216]  __kmem_cache_alloc_node+0x74/0x388
[   37.076383][ T4216]  __kmalloc_node+0xcc/0x1d0
[   37.077626][ T4216]  kvmalloc_node+0x84/0x1e4
[   37.078834][ T4216]  get_dist_table+0xa0/0x354
[   37.080095][ T4216]  netem_change+0x754/0x1900
[   37.081305][ T4216]  netem_init+0x54/0xb8
[   37.082391][ T4216]  qdisc_create+0x70c/0xe64
[   37.083588][ T4216]  tc_modify_qdisc+0x9f0/0x1840
[   37.084849][ T4216]  rtnetlink_rcv_msg+0x72c/0xd94
[   37.086115][ T4216]  netlink_rcv_skb+0x20c/0x3b8
[   37.087395][ T4216]  rtnetlink_rcv+0x28/0x38
[   37.088568][ T4216]  netlink_unicast+0x660/0x8d4
[   37.089828][ T4216]  netlink_sendmsg+0x834/0xb18
[   37.091072][ T4216]  ____sys_sendmsg+0x558/0x844
[   37.092334][ T4216]  __sys_sendmsg+0x26c/0x33c
[   37.093578][ T4216]  __arm64_sys_sendmsg+0x80/0x94
[   37.094910][ T4216]  invoke_syscall+0x98/0x2c0
[   37.096123][ T4216]  el0_svc_common+0x138/0x258
[   37.097334][ T4216]  do_el0_svc+0x64/0x218
[   37.098475][ T4216]  el0_svc+0x58/0x168
[   37.099515][ T4216]  el0t_64_sync_handler+0x84/0xf0
[   37.100884][ T4216]  el0t_64_sync+0x18c/0x190
[   37.102171][ T4216] 
[   37.102764][ T4216] ============================================
[   37.104299][ T4216] WARNING: possible recursive locking detected
[   37.105838][ T4216] 6.1.45-syzkaller #0 Tainted: G        W         
[   37.107532][ T4216] --------------------------------------------
[   37.109124][ T4216] syz-executor197/4216 is trying to acquire lock:
[   37.110850][ T4216] ffff0000d2cfa108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354
[   37.113257][ T4216] 
[   37.113257][ T4216] but task is already holding lock:
[   37.115173][ T4216] ffff0000d2cfa108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.117519][ T4216] 
[   37.117519][ T4216] other info that might help us debug this:
[   37.119616][ T4216]  Possible unsafe locking scenario:
[   37.119616][ T4216] 
[   37.121535][ T4216]        CPU0
[   37.122385][ T4216]        ----
[   37.123266][ T4216]   lock(&sch->q.lock);
[   37.124345][ T4216]   lock(&sch->q.lock);
[   37.125453][ T4216] 
[   37.125453][ T4216]  *** DEADLOCK ***
[   37.125453][ T4216] 
[   37.127644][ T4216]  May be due to missing lock nesting notation
[   37.127644][ T4216] 
[   37.129862][ T4216] 2 locks held by syz-executor197/4216:
[   37.131320][ T4216]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   37.133856][ T4216]  #1: ffff0000d2cfa108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.136345][ T4216] 
[   37.136345][ T4216] stack backtrace:
[   37.137892][ T4216] CPU: 1 PID: 4216 Comm: syz-executor197 Tainted: G        W          6.1.45-syzkaller #0
[   37.140516][ T4216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   37.143148][ T4216] Call trace:
[   37.144024][ T4216]  dump_backtrace+0x1c8/0x1f4
[   37.145354][ T4216]  show_stack+0x2c/0x3c
[   37.146477][ T4216]  dump_stack_lvl+0x108/0x170
[   37.147733][ T4216]  dump_stack+0x1c/0x58
[   37.148834][ T4216]  __lock_acquire+0x6310/0x764c
[   37.150100][ T4216]  lock_acquire+0x26c/0x7cc
[   37.151305][ T4216]  _raw_spin_lock_bh+0x54/0x6c
[   37.152552][ T4216]  get_dist_table+0x240/0x354
[   37.153816][ T4216]  netem_change+0x754/0x1900
[   37.155026][ T4216]  netem_init+0x54/0xb8
[   37.156117][ T4216]  qdisc_create+0x70c/0xe64
[   37.157306][ T4216]  tc_modify_qdisc+0x9f0/0x1840
[   37.158580][ T4216]  rtnetlink_rcv_msg+0x72c/0xd94
[   37.159868][ T4216]  netlink_rcv_skb+0x20c/0x3b8
[   37.161150][ T4216]  rtnetlink_rcv+0x28/0x38
[   37.162407][ T4216]  netlink_unicast+0x660/0x8d4
[   37.163714][ T4216]  netlink_sendmsg+0x834/0xb18
[   37.164985][ T4216]  ____sys_sendmsg+0x558/0x844
[   37.166314][ T4216]  __sys_sendmsg+0x26c/0x33c
[   37.167559][ T4216]  __arm64_sys_sendmsg+0x80/0x94
[   37.168897][ T4216]  invoke_syscall+0x98/0x2c0
[   37.170148][ T4216]  el0_svc_common+0x138/0x258
[   37.171407][ T4216]  do_el0_svc+0x64/0x218
[   37.172534][ T4216]  el0_svc+0x58/0x168
[   37.173609][ T4216]  el0t_64_sync_handler+0x84/0xf0
[   37.174926][ T4216]  el0t_64_sync+0x18c/0x190