rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10501 ticks this GP) idle=c35c/1/0x4000000000000000 softirq=21244/21244 fqs=0
rcu: 	(t=10501 jiffies g=11333 q=13073 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10500 jiffies! g11333 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=4319
rcu: rcu_preempt kthread starved for 10501 jiffies! g11333 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
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:I stack:26728 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>
CPU: 0 UID: 0 PID: 7106 Comm: syz.1.500 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:vsnprintf+0xad4/0xf00
Code: 8f b8 f6 eb bf e8 ec 6b 55 f6 49 ff c7 4d 89 fd eb 0d e8 df 6b 55 f6 4d 89 fd 4c 8b 74 24 08 48 89 e8 48 c1 e8 03 0f b6 04 18 <84> c0 75 3d 80 7d 00 00 0f 84 f8 02 00 00 e8 b9 6b 55 f6 49 89 ef
RSP: 0018:ffffc900000070b0 EFLAGS: 00000a07
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000000020
RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffffc90000007392
RBP: ffffffff8b8b8944 R08: ffffc90000007391 R09: 0000000000000007
R10: ffffc9000000738f R11: fffff52000000e73 R12: ffffc900000071a0
R13: ffffc90000007395 R14: 0000000000000405 R15: 0000000000000018
FS:  00007f8c7dfa26c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 000000002900a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 sprintf+0xd9/0x120
 info_print_prefix+0x1f3/0x310
 record_print_text+0x154/0x430
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 clocksource_watchdog+0xdca/0x11c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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:alloc_vmap_area+0x1086/0x1490
Code: ef 0f 87 87 03 00 00 4d 39 e6 0f 82 7e 03 00 00 48 3b 5c 24 28 0f 85 73 03 00 00 48 8b 5c 24 50 48 89 df e8 ac d0 b4 02 84 c0 <4c> 8b 74 24 40 0f 84 c1 01 00 00 e8 5a 70 ad ff 48 8d 7b 08 48 89
RSP: 0018:ffffc900029cf240 EFLAGS: 00000202
RAX: 1ffff11020e51d01 RBX: ffff88810728e980 RCX: ffff8880237d8000
RDX: 0000000000000002 RSI: ffffe8ffffffffff RDI: ffff88810728e988
RBP: ffffc900029cf378 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000539e38 R12: ffffc90000000000
R13: ffffe8ffffffffff R14: ffffc90004657000 R15: ffffc90004659000
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vzalloc_noprof+0xb2/0xf0
 bpf_check+0x1a5/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c7d18e9a9
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:00007f8c7dfa2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8c7d3b6080 RCX: 00007f8c7d18e9a9
RDX: 0000000000000094 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007f8c7d210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8c7d3b6080 R15: 00007ffc81c57dc8
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7106 Comm: syz.1.500 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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_apic_msr_eoi+0xf/0x20
Code: f8 c3 cc cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 0b 08 00 00 31 c0 31 d2 0f 30 <e9> 8c 14 00 0a cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90000007520 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000007568 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffff88804b023b0f R09: 1ffff11009604761
R10: dffffc0000000000 R11: ffffed1009604762 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f8c7dfa26c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 000000002900a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __sysvec_apic_timer_interrupt+0x45/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70
Code: 8b 3d 74 d6 fb 0b 48 89 de 5b e9 93 5c 58 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 08 10 a0 92 65 8b 15 58 f2 df 10 81 e2 00 01 ff 00
RSP: 0018:ffffc90000007618 EFLAGS: 00000202
RAX: ffffffff81a13263 RBX: 1ffffffff1d36925 RCX: 0000000000000100
RDX: ffff8880237d8000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007770 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8e9b48e0
 console_flush_all+0x3f3/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 clocksource_watchdog+0xdca/0x11c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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:alloc_vmap_area+0x1086/0x1490
Code: ef 0f 87 87 03 00 00 4d 39 e6 0f 82 7e 03 00 00 48 3b 5c 24 28 0f 85 73 03 00 00 48 8b 5c 24 50 48 89 df e8 ac d0 b4 02 84 c0 <4c> 8b 74 24 40 0f 84 c1 01 00 00 e8 5a 70 ad ff 48 8d 7b 08 48 89
RSP: 0018:ffffc900029cf240 EFLAGS: 00000202
RAX: 1ffff11020e51d01 RBX: ffff88810728e980 RCX: ffff8880237d8000
RDX: 0000000000000002 RSI: ffffe8ffffffffff RDI: ffff88810728e988
RBP: ffffc900029cf378 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000539e38 R12: ffffc90000000000
R13: ffffe8ffffffffff R14: ffffc90004657000 R15: ffffc90004659000
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vzalloc_noprof+0xb2/0xf0
 bpf_check+0x1a5/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c7d18e9a9
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:00007f8c7dfa2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8c7d3b6080 RCX: 00007f8c7d18e9a9
RDX: 0000000000000094 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007f8c7d210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8c7d3b6080 R15: 00007ffc81c57dc8
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7106 Comm: syz.1.500 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:rcu_is_watching+0x44/0xb0
Code: 73 65 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 70 ec bb 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ec 1f 7c 00 <48> c7 c3 98 3f a1 92 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38
RSP: 0018:ffffc90000006f60 EFLAGS: 00000046
RAX: 1ffffffff1b77d8e RBX: 0000000000000000 RCX: b0e448d2b013fc00
RDX: 0000000000000000 RSI: ffffffff8be29f60 RDI: ffffffff8be29f20
RBP: 0000000000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8dbbec70 R15: dffffc0000000000
FS:  00007f8c7dfa26c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 000000002900a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_irq_enable+0x37/0x110
 trace_hardirqs_on+0x18/0x40
 irqentry_exit+0x74/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:format_decode+0x67/0xe30
Code: 84 19 06 00 00 41 0f b6 c6 83 f8 03 0f 84 65 06 00 00 45 31 f6 48 b9 00 00 00 00 00 fc ff df 4d 8d 24 2e 4c 89 e0 48 c1 e8 03 <0f> b6 04 08 84 c0 75 28 42 0f b6 5c 35 00 48 89 df 48 c7 c6 90 ed
RSP: 0018:ffffc90000007050 EFLAGS: 00000a07
RAX: 1ffffffff1717128 RBX: 000000000000005d RCX: dffffc0000000000
RDX: 0000000000000100 RSI: ffffffff8f88ed90 RDI: 000000000000005d
RBP: ffffffff8b8b8944 R08: ffff8880237d8000 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000100 R12: ffffffff8b8b8945
R13: ffffc900000070f8 R14: 0000000000000001 R15: ffffffff8b8b8944
 vsnprintf+0x102/0xf00
 sprintf+0xd9/0x120
 info_print_prefix+0x1f3/0x310
 record_print_text+0x154/0x430
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 clocksource_watchdog+0xdca/0x11c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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:alloc_vmap_area+0x1086/0x1490
Code: ef 0f 87 87 03 00 00 4d 39 e6 0f 82 7e 03 00 00 48 3b 5c 24 28 0f 85 73 03 00 00 48 8b 5c 24 50 48 89 df e8 ac d0 b4 02 84 c0 <4c> 8b 74 24 40 0f 84 c1 01 00 00 e8 5a 70 ad ff 48 8d 7b 08 48 89
RSP: 0018:ffffc900029cf240 EFLAGS: 00000202
RAX: 1ffff11020e51d01 RBX: ffff88810728e980 RCX: ffff8880237d8000
RDX: 0000000000000002 RSI: ffffe8ffffffffff RDI: ffff88810728e988
RBP: ffffc900029cf378 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000539e38 R12: ffffc90000000000
R13: ffffe8ffffffffff R14: ffffc90004657000 R15: ffffc90004659000
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vzalloc_noprof+0xb2/0xf0
 bpf_check+0x1a5/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c7d18e9a9
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:00007f8c7dfa2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8c7d3b6080 RCX: 00007f8c7d18e9a9
RDX: 0000000000000094 RSI: 00002000000001c0 RDI: 0000000000000005
RBP: 00007f8c7d210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8c7d3b6080 R15: 00007ffc81c57dc8
 </TASK>
