rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=823/1/0x4000000000000000 softirq=31146/31146 fqs=0
(detected by 0, t=10505 jiffies, g=49981, q=56)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12866 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:do_raw_spin_lock+0x0/0x370 kernel/locking/spinlock_debug.c:113
Code: c1 03 38 c1 0f 8c 71 ff ff ff e8 cb f2 65 00 e9 67 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 95 48 89 df e8 b2 f2 65 00 eb 8b <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00
RSP: 0018:ffffc90000dd0cb8 EFLAGS: 00000096
RAX: 2195212a1dcd2200 RBX: 1ffff920001ba19c RCX: ffffffff816340f2
RDX: dffffc0000000000 RSI: ffffffff8a8b27a0 RDI: ffff8880b9b2a200
RBP: ffffc90000dd0d50 R08: dffffc0000000000 R09: fffffbfff1f7a61a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9b2a200
R13: 1ffff920001ba198 R14: ffffc90000dd0ce0 R15: dffffc0000000000
FS: 0000555556721480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26465986e4 CR3: 000000002f0b6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:129 [inline]
_raw_spin_lock_irq+0xdb/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1690 [inline]
__hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:alloc_uevent_skb+0x92/0x220 lib/kobject_uevent.c:296
Code: 31 d2 b9 ff ff ff ff e8 bc 28 02 04 49 89 c4 48 85 c0 0f 84 e2 00 00 00 e8 2b 70 55 fd 4c 89 e7 89 ee e8 81 d7 02 04 48 89 c7 <48> c7 c6 20 8d db 8a 4c 89 ea 48 8b 0c 24 e8 bb cc 01 00 49 81 c6
RSP: 0018:ffffc90002cf6bf0 EFLAGS: 00000286
RAX: ffff88801979c800 RBX: 1ffff110069d9143 RCX: ffff8880237d0000
RDX: 0000000000000000 RSI: 00000000000000c0 RDI: ffff88801979c800
RBP: 0000000000000022 R08: ffffffff882d9e46 R09: ffffed10032f391d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078c57500
R13: ffffffff8adb8b80 R14: ffff888034ec8000 R15: ffff888034ec8a1c
uevent_net_broadcast_tagged lib/kobject_uevent.c:351 [inline]
kobject_uevent_net_broadcast+0x178/0x560 lib/kobject_uevent.c:412
kobject_uevent_env+0x567/0x8d0 lib/kobject_uevent.c:593
device_add+0xa4f/0xfd0 drivers/base/core.c:3375
netdev_register_kobject+0x176/0x310 net/core/net-sysfs.c:2014
register_netdevice+0x108c/0x1720 net/core/dev.c:10354
macvlan_common_newlink+0xfff/0x1740 drivers/net/macvlan.c:1500
macvtap_newlink+0x150/0x1d0 drivers/net/macvtap.c:109
__rtnl_newlink net/core/rtnetlink.c:3501 [inline]
rtnl_newlink+0x14bd/0x2070 net/core/rtnetlink.c:3549
rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5630
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
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:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x564/0x720 net/socket.c:2058
__do_sys_sendto net/socket.c:2070 [inline]
__se_sys_sendto net/socket.c:2066 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2066
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: 0033:0x7f0b5909da9c
Code: 1a 51 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 60 51 02 00 48 8b
RSP: 002b:00007ffd780df420 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0b59cf2620 RCX: 00007f0b5909da9c
RDX: 0000000000000044 RSI: 00007f0b59cf2670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd780df474 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0b59cf2670 R15: 0000000000000000
rcu: rcu_preempt kthread timer wakeup didn't happen for 10504 jiffies! g49981 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=37758
rcu: rcu_preempt kthread starved for 10505 jiffies! g49981 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:26712 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12866 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:lock_acquire+0x275/0x4f0 kernel/locking/lockdep.c:5627
Code: 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 11 00 00 00 00 66 43 c7 44 25 15 00 00 <43> c6 44 25 17 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 00 01 00
RSP: 0018:ffffc90000dd0b60 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff920001ba178 RCX: ffffffff816340f2
RDX: dffffc0000000000 RSI: ffffffff8a8b27a0 RDI: ffffffff8ad88e40
RBP: ffffc90000dd0ca8 R08: dffffc0000000000 R09: fffffbfff1f7a61a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001ba174
R13: dffffc0000000000 R14: ffffc90000dd0bc0 R15: 0000000000000046
FS: 0000555556721480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26465986e4 CR3: 000000002f0b6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1690 [inline]
__hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:alloc_uevent_skb+0x92/0x220 lib/kobject_uevent.c:296
Code: 31 d2 b9 ff ff ff ff e8 bc 28 02 04 49 89 c4 48 85 c0 0f 84 e2 00 00 00 e8 2b 70 55 fd 4c 89 e7 89 ee e8 81 d7 02 04 48 89 c7 <48> c7 c6 20 8d db 8a 4c 89 ea 48 8b 0c 24 e8 bb cc 01 00 49 81 c6
RSP: 0018:ffffc90002cf6bf0 EFLAGS: 00000286
RAX: ffff88801979c800 RBX: 1ffff110069d9143 RCX: ffff8880237d0000
RDX: 0000000000000000 RSI: 00000000000000c0 RDI: ffff88801979c800
RBP: 0000000000000022 R08: ffffffff882d9e46 R09: ffffed10032f391d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078c57500
R13: ffffffff8adb8b80 R14: ffff888034ec8000 R15: ffff888034ec8a1c
uevent_net_broadcast_tagged lib/kobject_uevent.c:351 [inline]
kobject_uevent_net_broadcast+0x178/0x560 lib/kobject_uevent.c:412
kobject_uevent_env+0x567/0x8d0 lib/kobject_uevent.c:593
device_add+0xa4f/0xfd0 drivers/base/core.c:3375
netdev_register_kobject+0x176/0x310 net/core/net-sysfs.c:2014
register_netdevice+0x108c/0x1720 net/core/dev.c:10354
macvlan_common_newlink+0xfff/0x1740 drivers/net/macvlan.c:1500
macvtap_newlink+0x150/0x1d0 drivers/net/macvtap.c:109
__rtnl_newlink net/core/rtnetlink.c:3501 [inline]
rtnl_newlink+0x14bd/0x2070 net/core/rtnetlink.c:3549
rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5630
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
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:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x564/0x720 net/socket.c:2058
__do_sys_sendto net/socket.c:2070 [inline]
__se_sys_sendto net/socket.c:2066 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2066
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: 0033:0x7f0b5909da9c
Code: 1a 51 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 60 51 02 00 48 8b
RSP: 002b:00007ffd780df420 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0b59cf2620 RCX: 00007f0b5909da9c
RDX: 0000000000000044 RSI: 00007f0b59cf2670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd780df474 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0b59cf2670 R15: 0000000000000000