rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10488 ticks this GP) idle=3bb/1/0x4000000000000000 softirq=6359/6359 fqs=5250 (t=10502 jiffies g=5977 q=428) NMI backtrace for cpu 0 CPU: 0 PID: 3953 Comm: syz-executor.0 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb 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:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3887 [inline] rcu_sched_clock_irq+0xf26/0x1770 kernel/rcu/tree.c:2605 update_process_times+0x196/0x200 kernel/time/timer.c:1788 tick_sched_handle kernel/time/tick-sched.c:226 [inline] tick_sched_timer+0x22d/0x3c0 kernel/time/tick-sched.c:1420 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline] RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:390 Code: 8a e8 a8 f6 c9 08 65 66 8b 05 c0 75 b6 7e 66 85 c0 75 57 bf 01 00 00 00 e8 b1 dc 09 00 e8 dc 13 39 00 fb 65 8b 05 ec 58 b5 7e <85> c0 75 05 e8 fb 6f b3 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c RSP: 0018:ffffc90002d8eb00 EFLAGS: 00000286 RAX: 0000000000000201 RBX: 1ffff920005b1d64 RCX: ffffffff8162a448 RDX: dffffc0000000000 RSI: ffffffff8a8af0e0 RDI: ffffffff8ad84e00 RBP: ffffc90002d8ebc0 R08: dffffc0000000000 R09: fffffbfff1f76c32 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920005b1d68 R14: ffffc90002d8eb40 R15: 0000000000000201 spin_unlock_bh include/linux/spinlock.h:408 [inline] batadv_tt_local_purge_pending_clients+0x2f1/0x380 net/batman-adv/translation-table.c:3674 batadv_tt_local_resize_to_mtu+0x90/0x130 net/batman-adv/translation-table.c:3958 batadv_update_min_mtu net/batman-adv/hard-interface.c:635 [inline] batadv_hardif_activate_interface+0x1b1/0x370 net/batman-adv/hard-interface.c:662 batadv_hardif_enable_interface+0x737/0x9e0 net/batman-adv/hard-interface.c:745 batadv_softif_slave_add+0x75/0xf0 net/batman-adv/soft-interface.c:839 do_set_master net/core/rtnetlink.c:2523 [inline] __rtnl_newlink net/core/rtnetlink.c:3479 [inline] rtnl_newlink+0x1b68/0x2060 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5587 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2533 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502 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: 0033:0x7f7b15a680f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7b14dda168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7b15b87f80 RCX: 00007f7b15a680f9 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 RBP: 00007f7b15ac3b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd78ab846f R14: 00007f7b14dda300 R15: 0000000000022000