rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (4908 ticks this GP) idle=e07/1/0x4000000000000002 softirq=83371/83371 fqs=3225
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7059/1:b..l
(detected by 1, t=10505 jiffies, g=123417, q=455)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 29093 Comm: syz-executor.0 Not tainted 5.15.136-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__perf_event_account_interrupt+0x6c/0x2a0 kernel/events/core.c:9278
Code: 80 7c 1d 00 00 74 08 4c 89 ef e8 ef 39 28 00 49 8b 5d 00 4c 89 f7 48 89 de e8 d0 88 de ff 49 39 de 75 74 4d 8d af 08 02 00 00 <4d> 89 ee 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 06 00
RSP: 0018:ffffc900000071c0 EFLAGS: 00000046
RAX: 0000000000000102 RBX: 0000000000017753 RCX: ffff8880244f8000
RDX: 0000000000000102 RSI: 0000000000017753 RDI: 0000000000017753
RBP: 1ffff1100318f0fc R08: ffffffff81a19b60 R09: ffffed100318f149
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888018c787e8 R14: 0000000000017753 R15: ffff888018c785e0
FS: 00007f033f4d86c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007eff0abdfc83 CR3: 0000000075663000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
__perf_event_overflow+0x99/0x530 kernel/events/core.c:9325
perf_swevent_overflow kernel/events/core.c:9442 [inline]
perf_swevent_event+0x4c5/0x550 kernel/events/core.c:9480
perf_tp_event+0x363/0xc40 kernel/events/core.c:9898
perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9872
perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 dd ce 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc900000077a0 EFLAGS: 00000206
RAX: c85de8f538796b00 RBX: 1ffff92000000efc RCX: ffffffff8162ea18
RDX: dffffc0000000000 RSI: ffffffff8a8b0b60 RDI: ffffffff8ad87a40
RBP: ffffc90000007878 R08: dffffc0000000000 R09: fffffbfff1f79a40
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923000
R13: ffff8880244f8458 R14: ffffc900000077e0 R15: 1ffff92000000ef8
__rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:728 [inline]
ndisc_send_skb+0xc9c/0x13c0 net/ipv6/ndisc.c:517
addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3942
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1737
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4781
Code: 45 31 c9 68 57 62 59 81 e8 0c 1a 09 00 48 83 c4 08 4c 89 ff e8 b0 da fe ff 66 90 4c 89 ff e8 a6 b5 ca 08 e8 01 41 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87
RSP: 0018:ffffc9000456ee98 EFLAGS: 00000286
RAX: c85de8f538796b00 RBX: ffff888041cc8034 RCX: ffffffff8162ea18
RDX: dffffc0000000000 RSI: ffffffff8a8b0b60 RDI: ffffffff8ad87a40
RBP: ffffc9000456ef10 R08: dffffc0000000000 R09: fffffbfff1f79a35
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1101734748b R14: ffff8880b9a3a458 R15: ffff8880b9a39700
finish_task_switch+0x134/0x630 kernel/sched/core.c:4898
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0x12cc/0x45b0 kernel/sched/core.c:6372
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6776
irqentry_exit+0x53/0x80 kernel/entry/common.c:426
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:ext4_fc_track_inode+0x3/0x2c0 fs/ext4/fast_commit.c:524
Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 05 e8 22 92 9b ff 48 8b 73 68 4c 89 f7 48 89 da 5b 41 5e e9 b0 f9 ff ff 55 41 57 <41> 56 41 54 53 48 89 f3 49 89 fe 49 bf 00 00 00 00 00 fc ff df e8
RSP: 0018:ffffc9000456f280 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffc9000456f450 RCX: ffff8880244f8000
RDX: 0000000000000000 RSI: ffff888042ee82a0 RDI: ffff88802a8e5420
RBP: ffff88807e9dc678 R08: ffffffff821c3959 R09: ffffed100fd3bc71
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802a8e5420
R13: 1ffff110085dd059 R14: ffff888042ee82c8 R15: dffffc0000000000
ext4_mark_iloc_dirty+0xc5/0x43b0 fs/ext4/inode.c:5746
__ext4_mark_inode_dirty+0x5a7/0x860 fs/ext4/inode.c:5964
add_dirent_to_buf+0x699/0x7d0 fs/ext4/namei.c:2213
ext4_add_entry+0x932/0x12b0 fs/ext4/namei.c:2448
ext4_add_nondir+0x8d/0x290 fs/ext4/namei.c:2796
ext4_create+0x372/0x550 fs/ext4/namei.c:2842
lookup_open fs/namei.c:3392 [inline]
open_last_lookups fs/namei.c:3462 [inline]
path_openat+0x12f6/0x2f20 fs/namei.c:3669
do_filp_open+0x21c/0x460 fs/namei.c:3699
do_sys_openat2+0x13b/0x500 fs/open.c:1211
do_sys_open fs/open.c:1227 [inline]
__do_sys_openat fs/open.c:1243 [inline]
__se_sys_openat fs/open.c:1238 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1238
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0340f56ae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f033f4d80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0341075f80 RCX: 00007f0340f56ae9
RDX: 00000000000026e1 RSI: 0000000020000300 RDI: ffffffffffffff9c
RBP: 00007f0340fa247a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0341075f80 R15: 00007ffd1b7bb038
task:kworker/0:11 state:R running task stack:24544 pid: 7059 ppid: 2 flags:0x00004000
Workqueue: events_power_efficient gc_worker
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6372
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6776
irqentry_exit+0x53/0x80 kernel/entry/common.c:426
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:seqcount_lockdep_reader_access+0x1dc/0x220 include/linux/seqlock.h:106
Code: f9 4d 85 ed 75 16 e8 23 71 07 f9 eb 15 e8 1c 71 07 f9 e8 67 e7 a1 01 4d 85 ed 74 ea e8 0d 71 07 f9 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc9000312fa40 EFLAGS: 00000293
RAX: ffffffff8878b143 RBX: 0000000000000000 RCX: ffff88801bae1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000312faf0 R08: ffffffff8878b119 R09: fffffbfff1f79a33
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000625f48
nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:330 [inline]
gc_worker+0x30f/0x14b0 net/netfilter/nf_conntrack_core.c:1472
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298