Node 0 DMA free:10984kB min:204kB low:252kB high:300kB active_anon:4480kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:128kB pagetables:72kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Bluetooth: hci4: command 0x0406 tx timeout
INFO: task syz-executor.4:11358 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:35580kB min:35996kB low:44992kB high:53988kB active_anon:1661404kB inactive_anon:19116kB active_file:496kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:73824kB pagetables:132928kB bounce:0kB free_pcp:1472kB local_pcp:984kB free_cma:0kB
syz-executor.4  D29168 11358   8126 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53608kB min:53876kB low:67344kB high:80812kB active_anon:3202484kB inactive_anon:12kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:207296kB pagetables:219572kB bounce:0kB free_pcp:1580kB local_pcp:1088kB free_cma:0kB
 gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360
Bluetooth: hci2: command 0x0406 tx timeout