rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=9c5c/1/0x4000000000000000 softirq=9114/9117 fqs=5020
rcu: hardirqs softirqs csw/system
rcu: number: 0 0 0
rcu: cputime: 194 52275 12 ==> 52470(ms)
rcu: (t=10500 jiffies g=8609 q=173 ncpus=2)
CPU: 0 PID: 5660 Comm: syz-executor383 Not tainted 6.4.0-rc4-syzkaller-00194-g8cde87b007da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__list_del_entry_valid+0x9b/0x1b0 lib/list_debug.c:59
Code: 48 b8 22 01 00 00 00 00 ad de 48 39 c1 74 7f 48 b8 00 00 00 00 00 fc ff df 48 89 cf 48 c1 ef 03 80 3c 07 00 0f 85 e7 00 00 00 <4c> 8b 01 49 39 f0 75 6d 48 8d 7a 08 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007600 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff888076373990 RCX: ffff888076c51ae0
RDX: ffff888076c51ae0 RSI: ffff888076373990 RDI: 1ffff1100ed8a35c
RBP: ffff888076c51800 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000005 R12: dffffc0000000000
R13: ffff888076c51ae0 R14: ffff888076c51af0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd42896370 CR3: 0000000077a2c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:134 [inline]
list_move_tail include/linux/list.h:229 [inline]
fq_pie_qdisc_dequeue+0x663/0x9c0 net/sched/sch_fq_pie.c:248
dequeue_skb net/sched/sch_generic.c:292 [inline]
qdisc_restart net/sched/sch_generic.c:397 [inline]
__qdisc_run+0x1b2/0x1780 net/sched/sch_generic.c:415
__dev_xmit_skb net/core/dev.c:3868 [inline]
__dev_queue_xmit+0x2215/0x3b10 net/core/dev.c:4210
dev_queue_xmit include/linux/netdevice.h:3085 [inline]
neigh_connected_output+0x3c2/0x550 net/core/neighbour.c:1581
neigh_output include/net/neighbour.h:544 [inline]
ip6_finish_output2+0x55a/0x1560 net/ipv6/ip6_output.c:134
__ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
dst_output include/net/dst.h:458 [inline]
NF_HOOK include/linux/netfilter.h:303 [inline]
ndisc_send_skb+0xa63/0x1850 net/ipv6/ndisc.c:508
ndisc_send_rs+0x132/0x6f0 net/ipv6/ndisc.c:718
addrconf_rs_timer+0x3f1/0x870 net/ipv6/addrconf.c:3936
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 26 df 8e 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 7d 75 7f 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc90005d07830 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffea0001f4ce80 RCX: 0000000000000000
RDX: ffff888023d23b80 RSI: ffffffff81e1df31 RDI: ffffea0001f4ce98
RBP: ffff888016576850 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
get_page_table_check mm/page_table_check.c:54 [inline]
page_table_check_clear.part.0+0xdf/0x380 mm/page_table_check.c:77
page_table_check_clear include/linux/mmzone.h:2003 [inline]
__page_table_check_pte_clear+0x265/0x2b0 mm/page_table_check.c:155
page_table_check_pte_clear include/linux/page_table_check.h:55 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1086 [inline]
zap_pte_range mm/memory.c:1413 [inline]
zap_pmd_range mm/memory.c:1563 [inline]
zap_pud_range mm/memory.c:1592 [inline]
zap_p4d_range mm/memory.c:1613 [inline]
unmap_page_range+0x2aa6/0x38e0 mm/memory.c:1634
unmap_single_vma+0x19a/0x2b0 mm/memory.c:1680
unmap_vmas+0x234/0x380 mm/memory.c:1719
exit_mmap+0x190/0x930 mm/mmap.c:3111
__mmput+0x128/0x4c0 kernel/fork.c:1351
mmput+0x60/0x70 kernel/fork.c:1373
exit_mm kernel/exit.c:567 [inline]
do_exit+0x9b0/0x29b0 kernel/exit.c:861
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efd42818859
Code: Unable to access opcode bytes at 0x7efd4281882f.
RSP: 002b:00007ffc78ed1018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007efd42893410 RCX: 00007efd42818859
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007efd42893410
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
NMI backtrace for cpu 0
CPU: 0 PID: 5660 Comm: syz-executor383 Not tainted 6.4.0-rc4-syzkaller-00194-g8cde87b007da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:list_empty include/linux/list.h:292 [inline]
RIP: 0010:fq_pie_qdisc_dequeue+0x58/0x9c0 net/sched/sch_fq_pie.c:238
Code: 48 c1 e8 03 4c 01 e0 48 89 44 24 10 48 8d 85 e0 02 00 00 48 89 04 24 48 c1 e8 03 48 89 44 24 18 e8 cd 4a 45 f9 48 8b 44 24 10 <80> 38 00 0f 85 50 07 00 00 48 8b 85 f0 02 00 00 4d 89 f5 49 39 c6
RSP: 0018:ffffc90000007620 EFLAGS: 00000246
RAX: ffffed100ed8a35e RBX: ffff888076373990 RCX: 0000000000000100
RDX: ffff888023d23b80 RSI: ffffffff883efb73 RDI: ffff888076373998
RBP: ffff888076c51800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: dffffc0000000000
R13: ffff888076c51ae0 R14: ffff888076c51af0 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd42896370 CR3: 0000000077a2c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
dequeue_skb net/sched/sch_generic.c:292 [inline]
qdisc_restart net/sched/sch_generic.c:397 [inline]
__qdisc_run+0x1b2/0x1780 net/sched/sch_generic.c:415
__dev_xmit_skb net/core/dev.c:3868 [inline]
__dev_queue_xmit+0x2215/0x3b10 net/core/dev.c:4210
dev_queue_xmit include/linux/netdevice.h:3085 [inline]
neigh_connected_output+0x3c2/0x550 net/core/neighbour.c:1581
neigh_output include/net/neighbour.h:544 [inline]
ip6_finish_output2+0x55a/0x1560 net/ipv6/ip6_output.c:134
__ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
dst_output include/net/dst.h:458 [inline]
NF_HOOK include/linux/netfilter.h:303 [inline]
ndisc_send_skb+0xa63/0x1850 net/ipv6/ndisc.c:508
ndisc_send_rs+0x132/0x6f0 net/ipv6/ndisc.c:718
addrconf_rs_timer+0x3f1/0x870 net/ipv6/addrconf.c:3936
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 26 df 8e 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 7d 75 7f 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc90005d07830 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffea0001f4ce80 RCX: 0000000000000000
RDX: ffff888023d23b80 RSI: ffffffff81e1df31 RDI: ffffea0001f4ce98
RBP: ffff888016576850 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
get_page_table_check mm/page_table_check.c:54 [inline]
page_table_check_clear.part.0+0xdf/0x380 mm/page_table_check.c:77
page_table_check_clear include/linux/mmzone.h:2003 [inline]
__page_table_check_pte_clear+0x265/0x2b0 mm/page_table_check.c:155
page_table_check_pte_clear include/linux/page_table_check.h:55 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1086 [inline]
zap_pte_range mm/memory.c:1413 [inline]
zap_pmd_range mm/memory.c:1563 [inline]
zap_pud_range mm/memory.c:1592 [inline]
zap_p4d_range mm/memory.c:1613 [inline]
unmap_page_range+0x2aa6/0x38e0 mm/memory.c:1634
unmap_single_vma+0x19a/0x2b0 mm/memory.c:1680
unmap_vmas+0x234/0x380 mm/memory.c:1719
exit_mmap+0x190/0x930 mm/mmap.c:3111
__mmput+0x128/0x4c0 kernel/fork.c:1351
mmput+0x60/0x70 kernel/fork.c:1373
exit_mm kernel/exit.c:567 [inline]
do_exit+0x9b0/0x29b0 kernel/exit.c:861
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efd42818859
Code: Unable to access opcode bytes at 0x7efd4281882f.
RSP: 002b:00007ffc78ed1018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007efd42893410 RCX: 00007efd42818859
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007efd42893410
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.519 msecs