rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (5 ticks this GP) idle=77bc/1/0x4000000000000000 softirq=8521/8521 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=8213, q=383 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5613 Comm: syz.0.33 Not tainted 6.11.0-rc2-syzkaller-00111-gee9a43b7cfe2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5497 [inline]
RIP: 0010:lock_is_held_type+0x82/0x190 kernel/locking/lockdep.c:5831
Code: 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 4c 8b 24 24 fa 48 c7 c7 40 e2 0a 8c e8 55 1b 00 00 65 ff 05 ce ac 4c 74 <41> 83 bd d8 0a 00 00 00 7e 47 4c 89 eb 48 81 c3 e0 0a 00 00 31 ed
RSP: 0018:ffffc90000a18a98 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 00000000ffffffff RCX: ffff88802ac80000
RDX: ffff88802ac80000 RSI: ffffffff8c0ae240 RDI: ffffffff8c6060c0
RBP: ffffc90000a18c30 R08: ffffffff8180be2e R09: 0000000000000000
R10: ffff88805fbf4340 R11: ffffed100bf7e86b R12: 0000000000000046
R13: ffff88802ac80000 R14: 00000000ffffffff R15: ffff8880b932c898
FS:  00007fe0da7fd6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63c3c99440 CR3: 000000002fefe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:249 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1655 [inline]
 __hrtimer_run_queues+0x2d9/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline]
RIP: 0010:handle_softirqs+0x1df/0x970 kernel/softirq.c:542
Code: 89 7c 24 70 0f b7 db 48 c7 c7 60 ca 09 8c e8 28 a9 5e 0a 65 66 c7 05 86 87 ac 7e 00 00 e8 79 8b 43 00 fb 49 c7 c4 c0 a0 60 8e <b8> ff ff ff ff 0f bc c3 41 89 c7 41 ff c7 0f 84 e6 03 00 00 89 5c
RSP: 0018:ffffc90000a18e40 EFLAGS: 00000286
RAX: 15eb3771a2789000 RBX: 0000000000000286 RCX: ffffffff81702eca
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: ffffffff8c6060c0
RBP: ffffc90000a18f50 R08: ffffffff9372e82f R09: 1ffffffff26e5d05
R10: dffffc0000000000 R11: fffffbfff26e5d06 R12: ffffffff8e60a0c0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001431dc
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </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:5763
Code: 2b 00 74 08 4c 89 f7 e8 9a 00 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:ffffc9000453eb40 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920008a7d74 RCX: 15eb3771a2789000
RDX: dffffc0000000000 RSI: ffffffff8c0ae6e0 RDI: ffffffff8c6060c0
RBP: ffffc9000453ec88 R08: ffffffff9372e937 R09: 1ffffffff26e5d26
R10: dffffc0000000000 R11: fffffbfff26e5d27 R12: 1ffff920008a7d70
R13: dffffc0000000000 R14: ffffc9000453eba0 R15: 0000000000000246
 down_write+0x99/0x220 kernel/locking/rwsem.c:1579
 crypto_larval_add crypto/api.c:138 [inline]
 crypto_larval_lookup crypto/api.c:296 [inline]
 crypto_alg_mod_lookup+0x338/0x720 crypto/api.c:331
 crypto_find_alg crypto/api.c:580 [inline]
 crypto_alloc_tfm_node+0x130/0x360 crypto/api.c:617
 drbg_init_hash_kernel+0x4d/0x220 crypto/drbg.c:1668
 drbg_alloc_state crypto/drbg.c:1291 [inline]
 drbg_instantiate crypto/drbg.c:1585 [inline]
 drbg_kcapi_seed+0x832/0xfb0 crypto/drbg.c:1969
 crypto_rng_reset crypto/rng.c:47 [inline]
 crypto_get_default_rng+0x159/0x200 crypto/rng.c:121
 aead_init_geniv+0x63/0x260 crypto/geniv.c:118
 crypto_create_tfm_node+0x167/0x3d0 crypto/api.c:522
 crypto_alloc_tfm_node+0x161/0x360 crypto/api.c:623
 esp_init_aead net/ipv4/esp4.c:1022 [inline]
 esp_init_state+0x387/0x10b0 net/ipv4/esp4.c:1149
 __xfrm_init_state+0x9db/0xea0 net/xfrm/xfrm_state.c:2915
 xfrm_state_construct net/xfrm/xfrm_user.c:840 [inline]
 xfrm_add_sa+0x2a76/0x3b50 net/xfrm/xfrm_user.c:898
 xfrm_user_rcv_msg+0x75b/0xa80 net/xfrm/xfrm_user.c:3315
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 xfrm_netlink_rcv+0x79/0x90 net/xfrm/xfrm_user.c:3337
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
 ___sys_sendmsg net/socket.c:2651 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
 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: 0033:0x7fe0d99779f9
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:00007fe0da7fd038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe0d9b06058 RCX: 00007fe0d99779f9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 00007fe0d99e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe0d9b06058 R15: 00007fe0d9c2fa38
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g8213 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=3470
rcu: rcu_preempt kthread starved for 10502 jiffies! g8213 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:25816 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 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
 </TASK>