rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=34d/1/0x4000000000000000 softirq=70279/70281 fqs=20 
	(t=10500 jiffies g=100125 q=1329)
rcu: rcu_preempt kthread starved for 10436 jiffies! g100125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:26432 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16039 Comm: syz.3.3968 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:212 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [inline]
RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:208
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 8f 41 f4 02 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000007018 EFLAGS: 00000046
RAX: 00000000000000cc RBX: ffffffff8c3b49b8 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000cc RDI: 0000000000000838
RBP: 00000000000000cc R08: ffffffff81726d3d R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9027240
R13: dffffc0000000000 R14: 00000000000000cc R15: dffffc0000000000
FS:  00007fb9e30876c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000007649f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:468
 clockevents_program_event+0x1c5/0x310 kernel/time/clockevents.c:334
 hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1827
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__zone_watermark_ok+0x35b/0x3e0 mm/page_alloc.c:3909
Code: ff 44 89 fe 48 c7 c7 e0 05 9e 8c e8 af 8f 6b 02 48 be 00 00 00 00 00 fc ff df 48 8b 14 24 e9 84 fe ff ff 31 c0 48 83 c4 20 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 b0 01 eb ed f6 c3 08 75 11 49 8d 47
RSP: 0018:ffffc90000007278 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88813fffbe00 RSI: dffffc0000000000 RDI: ffff88813fffc490
RBP: ffff88813fffbe38 R08: dffffc0000000000 R09: ffffed1027fff893
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 zone_watermark_fast+0x16e/0x240 mm/page_alloc.c:3943
 get_page_from_freelist+0x4af/0x33c0 mm/page_alloc.c:4113
 __alloc_pages+0x272/0x700 mm/page_alloc.c:5423
 alloc_slab_page mm/slub.c:1775 [inline]
 allocate_slab mm/slub.c:1912 [inline]
 new_slab+0xbb/0x4b0 mm/slub.c:1975
 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008
 __slab_alloc mm/slub.c:3095 [inline]
 slab_alloc_node mm/slub.c:3186 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233
 dst_alloc+0x12c/0x190 net/core/dst.c:88
 ip6_dst_alloc net/ipv6/route.c:342 [inline]
 icmp6_dst_alloc+0x76/0x4f0 net/ipv6/route.c:3275
 ndisc_send_skb+0x305/0x13c0 net/ipv6/ndisc.c:491
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:_compound_head include/linux/page-flags.h:198 [inline]
RIP: 0010:virt_to_head_page include/linux/mm.h:902 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:120 [inline]
RIP: 0010:qlist_free_all+0x5b/0x90 mm/kasan/quarantine.c:173
Code: e8 3a 04 00 00 49 89 dd 48 85 db 74 2a 4c 89 fe 4d 85 ff 75 e4 4c 89 ef e8 42 5c 6f ff 48 c1 e8 0c 48 c1 e0 06 49 8b 4c 04 08 <f6> c1 01 75 c3 4c 01 e0 48 89 c1 eb be 49 c7 46 08 00 00 00 00 49
RSP: 0018:ffffc90003b27990 EFLAGS: 00000206
RAX: 00000000017ea500 RBX: ffff88805fa94280 RCX: 0000000000000000
RDX: ffffc9000de02000 RSI: 0000000000002ca3 RDI: 0000000000002ca4
RBP: ffff888060364000 R08: ffffffff81398cb8 R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000000000
R13: ffff88805fa94280 R14: ffffc90003b279c0 R15: 0000000000000000
 kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
 getname_flags+0xb8/0x4e0 fs/namei.c:138
 do_sys_openat2+0xd2/0x4f0 fs/open.c:1247
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb9e4c2fef9
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:00007fb9e3087038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb9e4de8058 RCX: 00007fb9e4c2fef9
RDX: 00000000000026e1 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fb9e4ca2b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb9e4de8058 R15: 00007fffd5d498f8
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 16022 Comm: syz.4.3984 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:deref_stack_reg+0x0/0x110 arch/x86/kernel/unwind_orc.c:356
Code: 89 d9 80 e1 07 38 c1 0f 8c 81 f4 ff ff 48 89 df e8 85 7c 91 00 48 ba 00 00 00 00 00 fc ff df e9 6a f4 ff ff 66 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 49 89 d6 49 89 f7 48 89 fb 49 bc 00
RSP: 0018:ffffc90000dcfca0 EFLAGS: 00000287
RAX: fffffffffffffff0 RBX: ffffffff8eedc65a RCX: 0000000000000000
RDX: ffffc90000dcfda0 RSI: ffffc90000dd0490 RDI: ffffc90000dcfd60
RBP: ffffffff8eedc65c R08: ffffc90000dd0490 R09: ffffc90000dcfdb0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1ddb8cb
R13: 1ffffffff1ddb8cb R14: ffffffff8eedc65b R15: ffffc90000dcfd60
 unwind_next_frame+0x12f1/0x1fa0
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc_node_track_caller+0x195/0x390 mm/slub.c:4963
 kmalloc_reserve net/core/skbuff.c:356 [inline]
 __alloc_skb+0x12c/0x590 net/core/skbuff.c:427
 __pskb_copy_fclone+0xb0/0x12f0 net/core/skbuff.c:1634
 __pskb_copy include/linux/skbuff.h:1231 [inline]
 hsr_create_tagged_frame+0x262/0xd10 net/hsr/hsr_forward.c:257
 hsr_forward_skb+0xed7/0x1b50 net/hsr/hsr_forward.c:577
 hsr_dev_xmit+0x145/0x1e0 net/hsr/hsr_device.c:223
 __netdev_start_xmit include/linux/netdevice.h:5019 [inline]
 netdev_start_xmit include/linux/netdevice.h:5033 [inline]
 xmit_one net/core/dev.c:3617 [inline]
 dev_hard_start_xmit+0x298/0x7a0 net/core/dev.c:3633
 __dev_queue_xmit+0x1cee/0x3230 net/core/dev.c:4248
 neigh_output include/net/neighbour.h:509 [inline]
 ip6_finish_output2+0xee8/0x15a0 net/ipv6/ip6_output.c:130
 dst_output include/net/dst.h:443 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xae0/0x13c0 net/ipv6/ndisc.c:511
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:qlist_free_all+0x2e/0x90 mm/kasan/quarantine.c:176
Code: 41 55 41 54 53 4c 8b 2f 4d 85 ed 74 6e 49 89 f7 49 89 fe 49 bc 00 00 00 00 00 ea ff ff eb 1b 48 ff c9 48 8b 71 18 49 8b 5d 00 <4c> 89 ef e8 3a 04 00 00 49 89 dd 48 85 db 74 2a 4c 89 fe 4d 85 ff
RSP: 0018:ffffc900038f72d0 EFLAGS: 00000282
RAX: ffffea00015c5640 RBX: ffff888057d26800 RCX: ffffea00015c5640
RDX: ffffc9000e003000 RSI: ffff88801bfe4140 RDI: 0000000000008cf6
RBP: ffff88801ed74140 R08: ffffffff81398cb8 R09: 0000000080100004
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000000000
R13: ffff888057159b40 R14: ffffc900038f7300 R15: 0000000000000000
 kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc_trace+0xfb/0x290 mm/slub.c:3245
 kmalloc include/linux/slab.h:591 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 sctp_stream_init_ext+0x52/0x160 net/sctp/stream.c:169
 sctp_sendmsg_to_asoc+0x1922/0x1fe0 net/sctp/socket.c:1807
 sctp_sendmsg+0x1f49/0x3370 net/sctp/socket.c:2031
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
 __sys_sendmsg net/socket.c:2514 [inline]
 __do_sys_sendmsg net/socket.c:2523 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f92e6b1fef9
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:00007f92e4f98038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f92e6cd7f80 RCX: 00007f92e6b1fef9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000006
RBP: 00007f92e6b92b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f92e6cd7f80 R15: 00007fffb6af1c78
 </TASK>