Warning: Permanently added '10.128.0.224' (ED25519) to the list of known hosts.
executing program
[   37.735689][ T4217] netlink: 4 bytes leftover after parsing attributes in process `syz-executor893'.
[   37.738324][ T4217] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[   37.740962][ T4217] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4217, name: syz-executor893
[   37.743378][ T4217] preempt_count: 201, expected: 0
[   37.744661][ T4217] RCU nest depth: 0, expected: 0
[   37.745870][ T4217] 2 locks held by syz-executor893/4217:
[   37.747271][ T4217]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   37.749848][ T4217]  #1: ffff0000d2db9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.752171][ T4217] Preemption disabled at:
[   37.752181][ T4217] [<ffff8000106c9e9c>] sch_tree_lock+0x120/0x1d4
[   37.754878][ T4217] CPU: 1 PID: 4217 Comm: syz-executor893 Not tainted 6.1.45-syzkaller #0
[   37.757036][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   37.759592][ T4217] Call trace:
[   37.760435][ T4217]  dump_backtrace+0x1c8/0x1f4
[   37.761647][ T4217]  show_stack+0x2c/0x3c
[   37.762698][ T4217]  dump_stack_lvl+0x108/0x170
[   37.763974][ T4217]  dump_stack+0x1c/0x58
[   37.765045][ T4217]  __might_resched+0x37c/0x4d8
[   37.766248][ T4217]  __might_sleep+0x90/0xe4
[   37.767372][ T4217]  __kmem_cache_alloc_node+0x74/0x388
[   37.768805][ T4217]  __kmalloc_node+0xcc/0x1d0
[   37.769964][ T4217]  kvmalloc_node+0x84/0x1e4
[   37.771116][ T4217]  get_dist_table+0xa0/0x354
[   37.772301][ T4217]  netem_change+0x7a4/0x1900
[   37.773491][ T4217]  netem_init+0x54/0xb8
[   37.774588][ T4217]  qdisc_create+0x70c/0xe64
[   37.775746][ T4217]  tc_modify_qdisc+0x9f0/0x1840
[   37.777015][ T4217]  rtnetlink_rcv_msg+0x72c/0xd94
[   37.778269][ T4217]  netlink_rcv_skb+0x20c/0x3b8
[   37.779489][ T4217]  rtnetlink_rcv+0x28/0x38
[   37.780615][ T4217]  netlink_unicast+0x660/0x8d4
[   37.781883][ T4217]  netlink_sendmsg+0x834/0xb18
[   37.783110][ T4217]  ____sys_sendmsg+0x558/0x844
[   37.784357][ T4217]  __sys_sendmsg+0x26c/0x33c
[   37.785536][ T4217]  __arm64_sys_sendmsg+0x80/0x94
[   37.786834][ T4217]  invoke_syscall+0x98/0x2c0
[   37.787996][ T4217]  el0_svc_common+0x138/0x258
[   37.789223][ T4217]  do_el0_svc+0x64/0x218
[   37.790332][ T4217]  el0_svc+0x58/0x168
[   37.791369][ T4217]  el0t_64_sync_handler+0x84/0xf0
[   37.792702][ T4217]  el0t_64_sync+0x18c/0x190
[   37.793966][ T4217] 
[   37.794562][ T4217] ============================================
[   37.796132][ T4217] WARNING: possible recursive locking detected
[   37.797676][ T4217] 6.1.45-syzkaller #0 Tainted: G        W         
[   37.799280][ T4217] --------------------------------------------
[   37.800842][ T4217] syz-executor893/4217 is trying to acquire lock:
[   37.802474][ T4217] ffff0000d2db9108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354
[   37.804808][ T4217] 
[   37.804808][ T4217] but task is already holding lock:
[   37.806678][ T4217] ffff0000d2db9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.808933][ T4217] 
[   37.808933][ T4217] other info that might help us debug this:
[   37.811048][ T4217]  Possible unsafe locking scenario:
[   37.811048][ T4217] 
[   37.812967][ T4217]        CPU0
[   37.813797][ T4217]        ----
[   37.814612][ T4217]   lock(&sch->q.lock);
[   37.815667][ T4217]   lock(&sch->q.lock);
[   37.816737][ T4217] 
[   37.816737][ T4217]  *** DEADLOCK ***
[   37.816737][ T4217] 
[   37.818778][ T4217]  May be due to missing lock nesting notation
[   37.818778][ T4217] 
[   37.820873][ T4217] 2 locks held by syz-executor893/4217:
[   37.822294][ T4217]  #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94
[   37.824789][ T4217]  #1: ffff0000d2db9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4
[   37.827231][ T4217] 
[   37.827231][ T4217] stack backtrace:
[   37.828769][ T4217] CPU: 1 PID: 4217 Comm: syz-executor893 Tainted: G        W          6.1.45-syzkaller #0
[   37.831339][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   37.833900][ T4217] Call trace:
[   37.834764][ T4217]  dump_backtrace+0x1c8/0x1f4
[   37.835934][ T4217]  show_stack+0x2c/0x3c
[   37.837005][ T4217]  dump_stack_lvl+0x108/0x170
[   37.838223][ T4217]  dump_stack+0x1c/0x58
[   37.839298][ T4217]  __lock_acquire+0x6310/0x764c
[   37.840541][ T4217]  lock_acquire+0x26c/0x7cc
[   37.841705][ T4217]  _raw_spin_lock_bh+0x54/0x6c
[   37.842930][ T4217]  get_dist_table+0x240/0x354
[   37.844145][ T4217]  netem_change+0x7a4/0x1900
[   37.845329][ T4217]  netem_init+0x54/0xb8
[   37.846387][ T4217]  qdisc_create+0x70c/0xe64
[   37.847545][ T4217]  tc_modify_qdisc+0x9f0/0x1840
[   37.848823][ T4217]  rtnetlink_rcv_msg+0x72c/0xd94
[   37.850056][ T4217]  netlink_rcv_skb+0x20c/0x3b8
[   37.851216][ T4217]  rtnetlink_rcv+0x28/0x38
[   37.852357][ T4217]  netlink_unicast+0x660/0x8d4
[   37.853556][ T4217]  netlink_sendmsg+0x834/0xb18
[   37.854806][ T4217]  ____sys_sendmsg+0x558/0x844
[   37.856020][ T4217]  __sys_sendmsg+0x26c/0x33c
[   37.857191][ T4217]  __arm64_sys_sendmsg+0x80/0x94
[   37.858533][ T4217]  invoke_syscall+0x98/0x2c0
[   37.859747][ T4217]  el0_svc_common+0x138/0x258
[   37.860967][ T4217]  do_el0_svc+0x64/0x218
[   37.862042][ T4217]  el0_svc+0x58/0x168
[   37.863065][ T4217]  el0t_64_sync_handler+0x84/0xf0
[   37.864358][ T4217]  el0t_64_sync+0x18c/0x190