rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=2fc4/1/0x4000000000000000 softirq=52417/52418 fqs=71
rcu: 	(detected by 0, t=10502 jiffies, g=44593, q=619 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 12484 Comm: syz.0.1651 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_preemption_disabled+0x19/0x120 lib/smp_processor_id.c:14
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <65> 8b 1d 0c ee 3a 74 65 8b 05 01 ee 3a 74 a9 ff ff ff 7f 74 26 65
RSP: 0018:ffffc90000a18bf0 EFLAGS: 00000086
RAX: 165e167bc0f03a00 RBX: 0000000000000001 RCX: ffff888026401e00
RDX: ffff888026401e00 RSI: ffffffff8c0aaae0 RDI: ffffffff8c5fb0e0
RBP: 0000000000000002 R08: ffffffff89cdd08b R09: fffff5200014317c
R10: dffffc0000000000 R11: fffff5200014317c R12: 0000000000000046
R13: ffff888026401e00 R14: 00000000ffffffff R15: ffff88805b401300
FS:  00007f8831df66c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4a0f77bac CR3: 000000005170a000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_is_held_type+0x101/0x190 kernel/locking/lockdep.c:5922
 lock_is_held include/linux/lockdep.h:249 [inline]
 advance_sched+0xcd/0xca0 net/sched/sch_taprio.c:925
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 6a 2b 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90003646720 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920006c8cf0 RCX: ffff8880264028d8
RDX: dffffc0000000000 RSI: ffffffff8c0aaae0 RDI: ffffffff8c5fb0e0
RBP: ffffc90003646870 R08: ffffffff942a48ff R09: 1ffffffff285491f
R10: dffffc0000000000 R11: fffffbfff2854920 R12: 1ffff920006c8cec
R13: dffffc0000000000 R14: ffffc90003646780 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock_bh include/linux/rcupdate.h:903 [inline]
 hash_ipport4_add+0xaa/0x2440 net/netfilter/ipset/ip_set_hash_gen.h:852
 hash_ipport4_uadt+0xb2f/0xfa0 net/netfilter/ipset/ip_set_hash_ipport.c:199
 call_ad+0x27b/0xa70 net/netfilter/ipset/ip_set_core.c:1751
 ip_set_ad+0x7e0/0x990 net/netfilter/ipset/ip_set_core.c:1841
 nfnetlink_rcv_msg+0xbee/0x1180 net/netfilter/nfnetlink.c:302
 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2542
 nfnetlink_rcv+0x297/0x2ab0 net/netfilter/nfnetlink.c:667
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x223/0x270 net/socket.c:726
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
 ___sys_sendmsg net/socket.c:2637 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2669
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8833f85d29
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:00007f8831df6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8834175fa0 RCX: 00007f8833f85d29
RDX: 0000000000000080 RSI: 00000000200002c0 RDI: 0000000000000003
RBP: 00007f8834001b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8834175fa0 R15: 00007ffe5caef178
 </TASK>
rcu: rcu_preempt kthread starved for 10360 jiffies! g44593 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:26264 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 12562 Comm: syz.3.1680 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f8/0x2c60 kernel/smp.c:884
Code: 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 0b 00 eb e4 44
RSP: 0018:ffffc900051475e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff110170e88e9 RCX: 0000000000080000
RDX: ffffc9000ce39000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900051477d0 R08: ffffffff81939f0a R09: 1ffffffff285493a
R10: dffffc0000000000 R11: fffffbfff285493b R12: dffffc0000000000
R13: ffff8880b8744748 R14: ffff8880b863fac0 R15: 0000000000000001
FS:  00007f12b5fa46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12b5168800 CR3: 00000000683d8000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
 invalidate_bdev+0x71/0xa0 block/bdev.c:100
 btrfs_get_bdev_and_sb+0x10e/0x1f0 fs/btrfs/volumes.c:494
 btrfs_open_one_device fs/btrfs/volumes.c:659 [inline]
 open_fs_devices+0x2ae/0x12a0 fs/btrfs/volumes.c:1307
 btrfs_get_tree_super fs/btrfs/super.c:1857 [inline]
 btrfs_get_tree+0x552/0x1a30 fs/btrfs/super.c:2093
 vfs_get_tree+0x92/0x2b0 fs/super.c:1814
 fc_mount+0x1b/0xb0 fs/namespace.c:1231
 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline]
 btrfs_get_tree+0x6b1/0x1a30 fs/btrfs/super.c:2094
 vfs_get_tree+0x92/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12b51874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f12b5fa3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f12b5fa3ef0 RCX: 00007f12b51874ca
RDX: 00000000200055c0 RSI: 0000000020000000 RDI: 00007f12b5fa3eb0
RBP: 00000000200055c0 R08: 00007f12b5fa3ef0 R09: 000000000300000a
R10: 000000000300000a R11: 0000000000000246 R12: 0000000020000000
R13: 00007f12b5fa3eb0 R14: 00000000000055a3 R15: 00000000200002c0
 </TASK>
vkms_vblank_simulate: vblank timer overrun