rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10408 ticks this GP) idle=c874/1/0x4000000000000000 softirq=31970/32204 fqs=3436
rcu: hardirqs softirqs csw/system
rcu: number: 1510007 4 0
rcu: cputime: 17668 34831 41 ==> 52520(ms)
rcu: (t=10503 jiffies g=39293 q=2775 ncpus=2)
CPU: 1 PID: 11435 Comm: syz.0.1923 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__local_bh_enable_ip+0x4/0x1c0 kernel/softirq.c:384
Code: 0f 0b eb d0 48 c7 c1 1c c2 4a 8e 80 e1 07 80 c1 03 38 c1 7c a0 48 c7 c7 1c c2 4a 8e e8 85 58 8b 00 eb 92 0f 1f 00 f3 0f 1e fa <55> 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 83 ec 60 89 f3 65
RSP: 0018:ffffc900001f03d8 EFLAGS: 00000216
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 86dfdab210a38100
RDX: 0000000000000100 RSI: 0000000000000200 RDI: ffffffff893fa365
RBP: ffffc900001f05d0 R08: ffffc900001f054f R09: 0000000000000000
R10: ffffc900001f0530 R11: fffff5200003e0aa R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88802cd23380 R15: ffff88802cd23448
FS: 00007fdffabf76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000061b09000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
local_bh_enable include/linux/bottom_half.h:33 [inline]
ip6t_do_table+0x1344/0x1500 net/ipv6/netfilter/ip6_tables.c:375
ip6table_mangle_hook+0x298/0x6e0 net/ipv6/netfilter/ip6table_mangle.c:72
nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
nf_hook_slow+0xbd/0x200 net/netfilter/core.c:626
nf_hook+0x215/0x370 include/linux/netfilter.h:259
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip6_output+0x272/0x3b0 net/ipv6/ip6_output.c:240
dst_output include/net/dst.h:467 [inline]
NF_HOOK include/linux/netfilter.h:304 [inline]
ndisc_send_skb+0xbed/0x14b0 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x2bc/0x600 net/ipv6/addrconf.c:4006
call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x52d/0x7d0 kernel/time/timer.c:2022
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 9b 58 e4 f6 e8 06 de 14 f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000572fa80 EFLAGS: 00000282
RAX: 86dfdab210a38100 RBX: 0000000000000000 RCX: 86dfdab210a38100
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001
RBP: ffffc9000572fb20 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad
R10: dffffc0000000000 R11: fffffbfff1c951ae R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000ae5f50
irqentry_exit+0x67/0x70 kernel/entry/common.c:438
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:memset_orig+0x33/0xac arch/x86/lib/memset_64.S:67
Code: b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 6c 48 89 d1 48 c1 e9 06 74 35 0f 1f 44 00 00 48 ff c9 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47
RSP: 0018:ffffc9000572fbe8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc9000572fc68 RCX: 0000000000000004
RDX: 0000000000000800 RSI: 0000000000000000 RDI: ffff88805a8ed6c0
RBP: 0000000000000001 R08: ffffc9000572fc68 R09: 0000000000000000
R10: ffff88805a8ed000 R11: fffffbfff1c951ae R12: 0000000000000001
R13: 0000000000000800 R14: 0000000000000000 R15: 0000000000000001
slab_post_alloc_hook+0x8a/0x4d0 mm/slab.h:769
slab_alloc_node mm/slub.c:3495 [inline]
__kmem_cache_alloc_node+0x13e/0x260 mm/slub.c:3534
__do_kmalloc_node mm/slab_common.c:1006 [inline]
__kmalloc+0xa4/0x240 mm/slab_common.c:1020
kmalloc include/linux/slab.h:604 [inline]
sk_prot_alloc+0xe7/0x210 net/core/sock.c:2096
sk_alloc+0x3a/0x360 net/core/sock.c:2152
__netlink_create+0x6c/0x290 net/netlink/af_netlink.c:629
netlink_create+0x3ee/0x5c0 net/netlink/af_netlink.c:690
__sock_create+0x4a6/0x940 net/socket.c:1571
sock_create net/socket.c:1627 [inline]
__sys_socket_create net/socket.c:1664 [inline]
__sys_socket+0xd7/0x1a0 net/socket.c:1715
__do_sys_socket net/socket.c:1729 [inline]
__se_sys_socket net/socket.c:1727 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1727
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdff9d8f6c9
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:00007fdffabf7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fdff9fe5fa0 RCX: 00007fdff9d8f6c9
RDX: 0000000000000004 RSI: 0000000000000002 RDI: 0000000000000010
RBP: 00007fdff9e11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdff9fe6038 R14: 00007fdff9fe5fa0 R15: 00007ffea8371d78