rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=b06c/1/0x4000000000000000 softirq=29342/29343 fqs=4652
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   989189          0            0
rcu: 	cputime:    24074      28415           88   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=19381 q=2657 ncpus=2)
CPU: 0 UID: 0 PID: 8865 Comm: syz.5.1116 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:printk_get_console_flush_type+0x24/0x460
Code: 90 90 90 90 90 90 55 41 57 41 56 53 48 89 fb e8 e2 32 1f 00 ba 04 00 00 00 48 89 df 31 f6 e8 43 59 82 00 e8 5e d9 00 00 89 c5 <89> c7 48 c7 c6 e0 37 13 8e e8 3e 38 1f 00 83 fd 03 74 6f 83 fd 02
RSP: 0018:ffffc90000007758 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900000077d0 RCX: 0000000000000100
RDX: ffff8881067d1cc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: dffffc0000000000
R13: dffffc0000000000 R14: 1ffff92000000ef4 R15: 0000000000000066
FS:  00007fec8f9ca6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000029b20000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0100000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 console_unlock+0x7f/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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002d5f940 EFLAGS: 00000286
RAX: fecedb9c4efcc400 RBX: 0000000000000000 RCX: fecedb9c4efcc400
RDX: 0000000000000000 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc90002d5f9e0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005abf28
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:fixup_exception+0xe11/0x1c30
Code: 28 00 74 08 48 89 df e8 3d 28 af 00 48 c7 03 00 00 00 00 48 8b 44 24 30 42 0f b6 04 28 84 c0 0f 85 66 0b 00 00 48 8b 44 24 10 <8b> 18 89 de 81 e6 00 20 00 00 31 ff e8 be 07 4c 00 81 e3 00 20 00
RSP: 0018:ffffc90002d5faa0 EFLAGS: 00000246
RAX: ffffffff8dd8c9f8 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900280ba000 RSI: 00000000000001fe RDI: 00000000000001ff
RBP: ffffc90002d5fc20 R08: ffff8881067d1cc0 R09: 0000000000000013
R10: 0000000000000014 R11: 0000000000000002 R12: ffffc90002d5fda8
R13: dffffc0000000000 R14: ffffc90002d5fe28 R15: 1ffff920005abf60
 kernelmode_fixup_or_oops+0x68/0xf0
 __bad_area_nosemaphore+0x11a/0x780
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:__put_user_4+0xd/0x20
Code: 66 89 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 d9 0f 1f 00 <89> 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002d5fe50 EFLAGS: 00010246
RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8db863e2 RDI: ffffffff8be29f80
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffff820bbaa0
R10: dffffc0000000000 R11: ffffed10049b4e19 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000005
 __sys_socketpair+0xb7/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec8eb8eb69
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:00007fec8f9ca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fec8edb5fa0 RCX: 00007fec8eb8eb69
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007fec8ec11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fec8edb5fa0 R15: 00007fffcd7aca48
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8865 Comm: syz.5.1116 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:ffffc90000007670 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc900000076a8 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffff88804b023b0f R09: 1ffff11009604761
R10: dffffc0000000000 R11: ffffed1009604762 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fec8f9ca6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000029b20000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0100000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __sysvec_irq_work+0x11/0x3d0
 sysvec_irq_work+0x4f/0xc0
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:printk_get_console_flush_type+0x24/0x460
Code: 90 90 90 90 90 90 55 41 57 41 56 53 48 89 fb e8 e2 32 1f 00 ba 04 00 00 00 48 89 df 31 f6 e8 43 59 82 00 e8 5e d9 00 00 89 c5 <89> c7 48 c7 c6 e0 37 13 8e e8 3e 38 1f 00 83 fd 03 74 6f 83 fd 02
RSP: 0018:ffffc90000007758 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900000077d0 RCX: 0000000000000100
RDX: ffff8881067d1cc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: dffffc0000000000
R13: dffffc0000000000 R14: 1ffff92000000ef4 R15: 0000000000000066
 console_unlock+0x7f/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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002d5f940 EFLAGS: 00000286
RAX: fecedb9c4efcc400 RBX: 0000000000000000 RCX: fecedb9c4efcc400
RDX: 0000000000000000 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc90002d5f9e0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005abf28
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:fixup_exception+0xe11/0x1c30
Code: 28 00 74 08 48 89 df e8 3d 28 af 00 48 c7 03 00 00 00 00 48 8b 44 24 30 42 0f b6 04 28 84 c0 0f 85 66 0b 00 00 48 8b 44 24 10 <8b> 18 89 de 81 e6 00 20 00 00 31 ff e8 be 07 4c 00 81 e3 00 20 00
RSP: 0018:ffffc90002d5faa0 EFLAGS: 00000246
RAX: ffffffff8dd8c9f8 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900280ba000 RSI: 00000000000001fe RDI: 00000000000001ff
RBP: ffffc90002d5fc20 R08: ffff8881067d1cc0 R09: 0000000000000013
R10: 0000000000000014 R11: 0000000000000002 R12: ffffc90002d5fda8
R13: dffffc0000000000 R14: ffffc90002d5fe28 R15: 1ffff920005abf60
 kernelmode_fixup_or_oops+0x68/0xf0
 __bad_area_nosemaphore+0x11a/0x780
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:__put_user_4+0xd/0x20
Code: 66 89 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 d9 0f 1f 00 <89> 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002d5fe50 EFLAGS: 00010246
RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8db863e2 RDI: ffffffff8be29f80
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffff820bbaa0
R10: dffffc0000000000 R11: ffffed10049b4e19 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000005
 __sys_socketpair+0xb7/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec8eb8eb69
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:00007fec8f9ca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fec8edb5fa0 RCX: 00007fec8eb8eb69
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007fec8ec11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fec8edb5fa0 R15: 00007fffcd7aca48
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8865 Comm: syz.5.1116 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:kasan_check_range+0x5/0x2c0
Code: b8 8d e8 0e 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
RSP: 0018:ffffc90000006e78 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8b6e937d RCX: ffffffff81c7ab0d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fa1e8f0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fec8f9ca6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000029b20000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0100000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_irq_disable+0x9d/0x110
 irqentry_enter+0x3d/0x60
 sysvec_irq_work+0xe/0xc0
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70
Code: 89 fb e8 23 00 00 00 48 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
RSP: 0018:ffffc90000006f78 EFLAGS: 00000202
RAX: 00000000ffffffff RBX: 0000000000000001 RCX: ffff8881067d1cc0
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000003
RBP: ffffc900000070a0 R08: ffffc90000007017 R09: 0000000000000000
R10: ffffc90000007000 R11: fffff52000000e03 R12: 00000000000000e6
R13: 0000000000000003 R14: ffffc90000007383 R15: 00000000ffff0a00
 number+0x452/0xf60
 vsnprintf+0x91b/0xf00
 sprintf+0xd9/0x120
 info_print_prefix+0x155/0x310
 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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002d5f940 EFLAGS: 00000286
RAX: fecedb9c4efcc400 RBX: 0000000000000000 RCX: fecedb9c4efcc400
RDX: 0000000000000000 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc90002d5f9e0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005abf28
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:fixup_exception+0xe11/0x1c30
Code: 28 00 74 08 48 89 df e8 3d 28 af 00 48 c7 03 00 00 00 00 48 8b 44 24 30 42 0f b6 04 28 84 c0 0f 85 66 0b 00 00 48 8b 44 24 10 <8b> 18 89 de 81 e6 00 20 00 00 31 ff e8 be 07 4c 00 81 e3 00 20 00
RSP: 0018:ffffc90002d5faa0 EFLAGS: 00000246
RAX: ffffffff8dd8c9f8 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900280ba000 RSI: 00000000000001fe RDI: 00000000000001ff
RBP: ffffc90002d5fc20 R08: ffff8881067d1cc0 R09: 0000000000000013
R10: 0000000000000014 R11: 0000000000000002 R12: ffffc90002d5fda8
R13: dffffc0000000000 R14: ffffc90002d5fe28 R15: 1ffff920005abf60
 kernelmode_fixup_or_oops+0x68/0xf0
 __bad_area_nosemaphore+0x11a/0x780
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:__put_user_4+0xd/0x20
Code: 66 89 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 d9 0f 1f 00 <89> 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002d5fe50 EFLAGS: 00010246
RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8db863e2 RDI: ffffffff8be29f80
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffff820bbaa0
R10: dffffc0000000000 R11: ffffed10049b4e19 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000005
 __sys_socketpair+0xb7/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec8eb8eb69
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:00007fec8f9ca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fec8edb5fa0 RCX: 00007fec8eb8eb69
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: 00007fec8ec11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fec8edb5fa0 R15: 00007fffcd7aca48
 </TASK>
