clocksource: Long readout interval, skipping watchdog check: cs_nsec: 76770001604 wd_nsec: 76770003315
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10499 ticks this GP) idle=d0ac/1/0x4000000000000000 softirq=83081/83081 fqs=2
rcu: 	(t=10500 jiffies g=69769 q=139 ncpus=2)
rcu: rcu_preempt kthread starved for 10496 jiffies! g69769 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27128 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 19329 Comm: syz.2.3591 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kasan_check_range+0x7/0x2c0
Code: e8 de 3e e4 ff 90 0f 0b cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 <41> 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ba 01 00 00 4c 8d 04 37
RSP: 0018:ffffc900025cf788 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88802d4126c8 RCX: ffffffff8b726fbc
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802d4126c8
RBP: ffffc900025cf898 R08: ffff88802d4126cb R09: 1ffff11005a824d9
R10: dffffc0000000000 R11: ffffed1005a824da R12: 1ffff920004b9efc
R13: 0000000000000001 R14: ffffc900025cf800 R15: 1ffff11005a824d9
FS:  000055557e841500(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c36be7c CR3: 000000003ae68000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 native_queued_spin_lock_slowpath+0xbc/0x8e0
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 futex_wait_setup+0xd7/0x590
 __futex_wait+0x148/0x3e0
 futex_wait+0x104/0x360
 do_futex+0x333/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa42c38ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe3ddddff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00000000000647e9 RCX: 00007fa42c38ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa42c5b5fac
RBP: 0000000000000032 R08: 7fffffffffffffff R09: 0000000f3ddde2ef
R10: 00007ffe3ddde0f0 R11: 0000000000000246 R12: 00007fa42c5b5fac
R13: 00007ffe3ddde0f0 R14: 000000000006481b R15: 00007ffe3ddde110
 </TASK>
CPU: 0 UID: 0 PID: 19332 Comm: syz.2.3591 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__local_bh_enable_ip+0x135/0x1c0
Code: 8b e8 ef f1 ea 09 65 66 8b 05 9f 0e 15 11 66 85 c0 75 5a bf 01 00 00 00 e8 88 24 0b 00 e8 b3 4b 42 00 fb 65 8b 05 7b 0e 15 11 <85> c0 75 05 e8 f2 c4 ae ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000282
RAX: 0000000000000101 RBX: 0000000000000201 RCX: a31f925073a02c00
RDX: 0000000000000002 RSI: ffffffff8d9792dd RDI: ffffffff8be30a00
RBP: ffffc90000007b50 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: ffffffff8669ad94
R13: ffff88812607a4b0 R14: dffffc0000000000 R15: 1ffff92000000f58
FS:  00007fa42a5f66c0(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000003ae68000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 wg_expired_retransmit_handshake+0xd4/0x2d0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:kasan_check_range+0x9f/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd
RSP: 0018:ffffc90001bbfb80 EFLAGS: 00000246
RAX: 1ffff920004b9f01 RBX: ffffffffffffffff RCX: ffffffff81902f75
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88802741a710
RBP: ffffc90001bbfcf0 R08: ffff88802741a717 R09: 1ffff11004e834e2
R10: dffffc0000000000 R11: ffffed1004e834e2 R12: 0000000000000001
R13: ffff88802d412708 R14: ffffed1004e834e3 R15: 1ffff11004e834e2
 wake_q_add_safe+0x25/0xe0
 futex_wake+0x3bb/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa42c38ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa42a5f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fa42c5b5fa8 RCX: 00007fa42c38ebe9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fa42c5b5fac
RBP: 00007fa42c5b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa42c5b6038 R14: 00007ffe3dddddb0 R15: 00007ffe3dddde98
 </TASK>
sched: DL replenish lagged too much
