rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=793/1/0x4000000000000000 softirq=105772/105772 fqs=0
(detected by 0, t=10502 jiffies, g=157193, q=53 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12108 Comm: syz-executor.3 Not tainted 5.19.0-rc8-syzkaller-00168-g334c0ef6429f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5403 [inline]
RIP: 0010:lock_is_held_type+0x7e/0x190 kernel/locking/lockdep.c:5708
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 00 3a 8d 8a e8 99 0f 00 00 65 ff 05 92 ec d6 75 <41> 83 bd 58 0a 00 00 00 7e 53 4c 89 ed 48 81 c5 60 0a 00 00 31 db
RSP: 0018:ffffc900001e0c38 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8a8d3a00 RDI: ffffffff8ae9a7c0
RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffff5200003c180
R10: fffff5200003c181 R11: 1ffff9200003c180 R12: 0000000000000046
R13: ffff888022991d80 R14: 00000000ffffffff R15: ffff888020544300
FS: 00005555571b0400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efec336a1b8 CR3: 000000004735b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:279 [inline]
advance_sched+0x5a/0x8c0 net/sched/sch_taprio.c:716
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:rcu_read_lock_sched_held+0x93/0x130 kernel/rcu/update.c:126
Code: 01 00 84 c0 74 24 e8 0c 06 01 00 84 c0 74 1b 48 c7 c7 a0 ee b1 8c be ff ff ff ff e8 67 b5 bb 08 85 c0 74 36 41 bf 01 00 00 00 <48> c7 04 24 0e 36 e0 45 49 c7 04 1e 00 00 00 00 65 48 8b 04 25 28
RSP: 0018:ffffc9000a84fa40 EFLAGS: 00000202
RAX: 0000000080000001 RBX: 1ffff92001509f48 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8a8d3ea0 RDI: ffffffff8ae9a7c0
RBP: ffffc9000a84fac8 R08: dffffc0000000000 R09: fffffbfff1c07586
R10: fffffbfff1c07586 R11: 1ffffffff1c07585 R12: dffffc0000000000
R13: 1ffff92001509f6c R14: dffffc0000000000 R15: 0000000000000001
trace_lock_acquire+0x7d/0x1d0 include/trace/events/lock.h:24
lock_acquire+0xa5/0x400 kernel/locking/lockdep.c:5636
fs_reclaim_acquire+0xa6/0x120 mm/page_alloc.c:4610
might_alloc include/linux/sched/mm.h:271 [inline]
slab_pre_alloc_hook mm/slab.h:723 [inline]
slab_alloc_node mm/slub.c:3157 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x3a/0x2f0 mm/slub.c:3268
sk_prot_alloc+0x58/0x200 net/core/sock.c:1969
sk_alloc+0x36/0x340 net/core/sock.c:2028
inet_create+0x58c/0xca0 net/ipv4/af_inet.c:319
__sock_create+0x3fd/0x850 net/socket.c:1515
sock_create net/socket.c:1566 [inline]
__sys_socket_create net/socket.c:1603 [inline]
__sys_socket+0x137/0x3a0 net/socket.c:1636
__do_sys_socket net/socket.c:1649 [inline]
__se_sys_socket net/socket.c:1647 [inline]
__x64_sys_socket+0x76/0x80 net/socket.c:1647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efec328a887
Code: f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 29 00 00 00 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:00007fffb2f909f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fffb2f91130 RCX: 00007efec328a887
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffb2f90a70
R10: 0000000000000010 R11: 0000000000000206 R12: 0000000000000032
R13: 0000000000175864 R14: 0000000000000003 R15: 00007fffb2f91170
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g157193 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=93949
rcu: rcu_preempt kthread starved for 10502 jiffies! g157193 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:26424 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x2b9/0xfb0 kernel/rcu/tree.c:1999
rcu_gp_kthread+0xa5/0x360 kernel/rcu/tree.c:2187
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
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: 12108 Comm: syz-executor.3 Not tainted 5.19.0-rc8-syzkaller-00168-g334c0ef6429f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:__lock_acquire+0x11b0/0x1f80 kernel/locking/lockdep.c:5049
Code: 00 00 fc ff df e9 66 f3 ff ff 31 db e9 f6 f3 ff ff 48 8d 04 5b 48 c1 e0 06 48 8d 98 00 1f a4 8f 48 bf 00 00 00 00 00 fc ff df <48> 83 c3 40 48 89 d8 48 c1 e8 03 80 3c 38 00 74 12 48 89 df e8 67
RSP: 0018:ffffc900001e0a48 EFLAGS: 00000002
RAX: 0000000000007c80 RBX: ffffffff8fa49b80 RCX: ffffffff8167e57f
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff888022992808 R08: dffffc0000000000 R09: fffffbfff1fa9803
R10: fffffbfff1fa9803 R11: 1ffffffff1fa9802 R12: 1ffff110045324fa
R13: 2098a12076864b7e R14: ffff8880229927d0 R15: ffff888022991d80
FS: 00005555571b0400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efec336a1b8 CR3: 000000004735b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x546/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:rcu_read_lock_sched_held+0x93/0x130 kernel/rcu/update.c:126
Code: 01 00 84 c0 74 24 e8 0c 06 01 00 84 c0 74 1b 48 c7 c7 a0 ee b1 8c be ff ff ff ff e8 67 b5 bb 08 85 c0 74 36 41 bf 01 00 00 00 <48> c7 04 24 0e 36 e0 45 49 c7 04 1e 00 00 00 00 65 48 8b 04 25 28
RSP: 0018:ffffc9000a84fa40 EFLAGS: 00000202
RAX: 0000000080000001 RBX: 1ffff92001509f48 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8a8d3ea0 RDI: ffffffff8ae9a7c0
RBP: ffffc9000a84fac8 R08: dffffc0000000000 R09: fffffbfff1c07586
R10: fffffbfff1c07586 R11: 1ffffffff1c07585 R12: dffffc0000000000
R13: 1ffff92001509f6c R14: dffffc0000000000 R15: 0000000000000001
trace_lock_acquire+0x7d/0x1d0 include/trace/events/lock.h:24
lock_acquire+0xa5/0x400 kernel/locking/lockdep.c:5636
fs_reclaim_acquire+0xa6/0x120 mm/page_alloc.c:4610
might_alloc include/linux/sched/mm.h:271 [inline]
slab_pre_alloc_hook mm/slab.h:723 [inline]
slab_alloc_node mm/slub.c:3157 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x3a/0x2f0 mm/slub.c:3268
sk_prot_alloc+0x58/0x200 net/core/sock.c:1969
sk_alloc+0x36/0x340 net/core/sock.c:2028
inet_create+0x58c/0xca0 net/ipv4/af_inet.c:319
__sock_create+0x3fd/0x850 net/socket.c:1515
sock_create net/socket.c:1566 [inline]
__sys_socket_create net/socket.c:1603 [inline]
__sys_socket+0x137/0x3a0 net/socket.c:1636
__do_sys_socket net/socket.c:1649 [inline]
__se_sys_socket net/socket.c:1647 [inline]
__x64_sys_socket+0x76/0x80 net/socket.c:1647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efec328a887
Code: f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 29 00 00 00 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:00007fffb2f909f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fffb2f91130 RCX: 00007efec328a887
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffb2f90a70
R10: 0000000000000010 R11: 0000000000000206 R12: 0000000000000032
R13: 0000000000175864 R14: 0000000000000003 R15: 00007fffb2f91170