rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5176/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=9509, q=1193 ncpus=2)
task:jbd2/sda1-8 state:R running task stack:24240 pid:5176 tgid:5176 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x184f/0x4c30 kernel/sched/core.c:6690
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7012
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:blk_mq_start_request+0x3e2/0x820 block/blk-mq.c:1259
Code: 90 00 00 00 49 03 1f 48 89 d8 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 80 3c 38 00 74 08 48 89 df e8 81 ba 5e fd 48 8b 2b <49> 8d 5d 20 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 bd 01
RSP: 0018:ffffc9000f57f128 EFLAGS: 00000246
RAX: 1ffff110048cbf52 RBX: ffff88802465fa90 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001
RBP: ffff888026660000 R08: ffffffff901d096f R09: 1ffffffff203a12d
R10: dffffc0000000000 R11: fffffbfff203a12e R12: ffff888027b71690
R13: ffff888027b71680 R14: 1ffff11004f6e2d2 R15: dffffc0000000000
scsi_queue_rq+0x19c0/0x2e90 drivers/scsi/scsi_lib.c:1843
blk_mq_dispatch_rq_list+0xb89/0x1b30 block/blk-mq.c:2030
__blk_mq_do_dispatch_sched block/blk-mq-sched.c:170 [inline]
blk_mq_do_dispatch_sched block/blk-mq-sched.c:184 [inline]
__blk_mq_sched_dispatch_requests+0xb8a/0x1840 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xcb/0x140 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x9a5/0xae0 block/blk-mq.c:2243
blk_mq_flush_plug_list+0x1127/0x1890 block/blk-mq.c:2798
__blk_flush_plug+0x420/0x500 block/blk-core.c:1199
blk_finish_plug+0x5e/0x80 block/blk-core.c:1226
jbd2_journal_commit_transaction+0x34ec/0x67e0 fs/jbd2/commit.c:794
kjournald2+0x41c/0x7b0 fs/jbd2/journal.c:201
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: rcu_preempt kthread starved for 10510 jiffies! g9509 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:24432 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x184f/0x4c30 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-rc6-syzkaller-00170-g073d89808c06 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:rcu_lockdep_current_cpu_online+0x57/0x120 kernel/rcu/tree.c:4774
Code: 05 36 b3 88 7e e8 89 40 4c 0a 89 c3 83 f8 08 0f 83 c6 00 00 00 49 be 00 00 00 00 00 fc ff df 48 8d 1c dd 50 0a 32 8e 48 89 d8 <48> c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 96 7b 83 00 48 8b 03
RSP: 0018:ffffc900001e6d70 EFLAGS: 00000297
RAX: ffffffff8e320a58 RBX: ffffffff8e320a58 RCX: 0000000080000100
RDX: ffff88801d2f0000 RSI: ffffffff8c610940 RDI: ffffffff8c610900
RBP: ffff88801e2ad8b8 R08: ffffffff8999a506 R09: ffffc900001e70d0
R10: ffffc900001e70c0 R11: fffff5200003cde6 R12: ffff88805f458000
R13: ffff88801e2ad8cf R14: dffffc0000000000 R15: 1ffff11003c55b17
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555558fd35c8 CR3: 0000000063fce000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:113 [inline]
rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349
__in6_dev_get include/net/addrconf.h:330 [inline]
ip6_ignore_linkdown include/net/addrconf.h:421 [inline]
find_match+0xf9/0xc10 net/ipv6/route.c:744
__find_rr_leaf+0x275/0x8e0 net/ipv6/route.c:832
find_rr_leaf net/ipv6/route.c:853 [inline]
rt6_select net/ipv6/route.c:897 [inline]
fib6_table_lookup+0x413/0xbb0 net/ipv6/route.c:2195
ip6_pol_route+0x273/0x15d0 net/ipv6/route.c:2231
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x58c/0x790 net/ipv6/fib6_rules.c:117
ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
ip6_route_input+0x859/0xd90 net/ipv6/route.c:2596
ip6_rcv_finish+0x144/0x180 net/ipv6/ip6_input.c:77
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x1ea/0x650 net/core/dev.c:5783
process_backlog+0x662/0x15b0 net/core/dev.c:6115
__napi_poll+0xcb/0x490 net/core/dev.c:6779
napi_poll net/core/dev.c:6848 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6970
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:927
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 17614 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ca:8c:0a:51:93:fe, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ca:8c:0a:51:93:fe, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 17498 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ca:8c:0a:51:93:fe, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ca:8c:0a:51:93:fe, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ca:8c:0a:51:93:fe, vlan:0)