clocksource: Long readout interval, skipping watchdog check: cs_nsec: 2210170820 wd_nsec: 2210170630
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=2ac4/1/0x4000000000000000 softirq=15795/15796 fqs=1
rcu: 	(t=10501 jiffies g=8917 q=152 ncpus=2)
rcu: rcu_preempt kthread starved for 10499 jiffies! g8917 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:26704 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 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: 6417 Comm: syz.2.108 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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:native_queued_spin_lock_slowpath+0xaf/0x8e0
Code: 00 00 00 c7 44 24 60 00 00 00 00 0f 1f 44 00 00 4c 8d 74 24 60 49 89 df 49 c1 ef 03 41 bd 01 00 00 00 eb 06 89 44 24 60 f3 90 <48> 89 df be 04 00 00 00 e8 64 26 b2 f6 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90007ac7800 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff8881012ef588 RCX: ffffffff8b71260c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881012ef588
RBP: ffffc90007ac78f8 R08: ffff8881012ef58b R09: 1ffff1102025deb1
R10: dffffc0000000000 R11: ffffed102025deb2 R12: 1ffff92000f58f08
R13: 0000000000000001 R14: ffffc90007ac7860 R15: 1ffff1102025deb1
FS:  000055556ae45500(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f659b98efc8 CR3: 0000000028944000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 futex_unqueue+0xf6/0x240
 __futex_wait+0x223/0x3e0
 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: 0033:0x7fcdc998e9a9
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:00007fff8c00a4e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000001262b RCX: 00007fcdc998e9a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcdc9bb5fac
RBP: 0000000000000032 R08: 7fffffffffffffff R09: 000000048c00a7df
R10: 00007fff8c00a5e0 R11: 0000000000000246 R12: 00007fcdc9bb5fac
R13: 00007fff8c00a5e0 R14: 000000000001265d R15: 00007fff8c00a600
 </TASK>
CPU: 0 UID: 0 PID: 6418 Comm: syz.2.108 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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_get_free_meta+0x0/0x30
Code: 8f bc 00 00 00 48 8d 04 0e 48 85 c9 48 0f 44 c1 e9 95 23 4e 09 cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 48 63 8f c0 00 00 00 48 8d 14 0e 31 c0 48 81 f9 ff ff
RSP: 0018:ffffc90000007b60 EFLAGS: 00000282
RAX: 0000000005500072 RBX: ffff888021e31800 RCX: 0000000000001912
RDX: 000000000973fcd8 RSI: ffff888021e31800 RDI: ffff88801b68fa00
RBP: ffffc90000007e30 R08: 00000000ce286bf8 R09: 00000000ef6159b2
R10: 000000000000000a R11: fffffbfff1f43d1f R12: 0000000000000000
R13: ffffffff81a8c254 R14: ffff88801b68fa00 R15: ffff88801b68fa00
FS:  00007fcdca71c6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000457000 CR3: 0000000028944000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kasan_quarantine_put+0x16/0x220
 slab_free_after_rcu_debug+0x129/0x2a0
 rcu_core+0xca8/0x1710
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+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:ffffc90007b6fb70 EFLAGS: 00000246
RAX: 1ffff92000f58f01 RBX: ffffffffffffffff RCX: ffffffff81b445c2
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88801f86b9a8
RBP: ffffc90007b6fcf0 R08: ffff88801f86b9ab R09: 1ffff11003f0d735
R10: dffffc0000000000 R11: ffffed1003f0d735 R12: 0000000000000001
R13: ffff88801f86b9a8 R14: ffffed1003f0d736 R15: 1ffff11003f0d735
 futex_wake_mark+0x52/0x220
 futex_wake+0x37a/0x500
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcdc998e9a9
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:00007fcdca71c0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fcdc9bb5fa8 RCX: 00007fcdc998e9a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fcdc9bb5fac
RBP: 00007fcdc9bb5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fcdc9bb5fac
R13: 0000000000000000 R14: 00007fff8c00a2a0 R15: 00007fff8c00a388
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 105511693243 wd_nsec: 105511692359
