rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=3864/1/0x4000000000000000 softirq=101576/101576 fqs=195
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3597/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=175381, q=94 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3613 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-00229-g5414aea7b750 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
RIP: 0010:__hrtimer_run_queues+0x5f9/0xc20 kernel/time/hrtimer.c:1752
Code: 8f e8 9b 38 67 00 4c 0f a3 2d 63 56 a3 0d 41 0f 92 c5 31 ff 44 89 ee e8 f5 45 11 00 45 84 ed 0f 85 df 03 00 00 e8 b7 4a 11 00 <49> 8d 7e 3b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f
RSP: 0018:ffffc900003f8e40 EFLAGS: 00000046
RAX: 0000000000010001 RBX: ffff8880b992ba40 RCX: ffffffff81751db9
RDX: ffff88802a35c1c0 RSI: ffffffff817519c9 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff8880b992b940
R13: 0000000000000001 R14: ffff8880307ab340 R15: ffffffff88a26790
FS: 00007fcc6bbbc6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002022b030 CR3: 000000007ee83000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
__sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 76 3a e4 f6 48 89 df e8 de b1 e4 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 15 6b d6 f6 65 8b 05 96 10 81 75 85 c0 74 12 5b
RSP: 0018:ffffc90004507a78 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b982b940 RCX: 1ffffffff23e2316
RDX: 0000000000000000 RSI: ffffffff8acc9f40 RDI: ffffffff8b2ed420
RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff23e21d0
R10: ffffffff91f10e87 R11: 0000000000000002 R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972
timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395
do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444
do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
__do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fcc6d07cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc6bbbc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fcc6d19c120 RCX: 00007fcc6d07cce9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fcc6d0c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcc6d19c120 R15: 00007fff996d6798
task:syz-executor.0 state:R running task stack:26144 pid:3597 tgid:3594 ppid:10434 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7008
irqentry_exit+0x36/0x80 kernel/entry/common.c:432
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:654
RIP: 0010:lock_acquire+0x1ef/0x520 kernel/locking/lockdep.c:5722
Code: c1 05 4d 92 9b 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc900045b7620 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920008b6ec6 RCX: 000000000e92f2ee
RDX: 0000000000000001 RSI: ffffffff8acca240 RDI: ffffffff8b2ed420
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff23e21d0
R10: ffffffff91f10e87 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8cfa7d60 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
rcu_read_lock include/linux/rcupdate.h:747 [inline]
mt_find+0x15f/0x990 lib/maple_tree.c:6529
find_vma+0x112/0x1b0 mm/mmap.c:1882
lock_mm_and_find_vma+0x62/0x580 mm/memory.c:5435
do_user_addr_fault+0x388/0x1000 arch/x86/mm/fault.c:1385
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x5d/0xc0 arch/x86/mm/fault.c:1561
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:__put_user_nocheck_4+0x7/0x10 arch/x86/lib/putuser.S:97
Code: 01 ca c3 f3 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 0f 01 cb <89> 01 31 c9 0f 01 ca c3 90 f3 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09
RSP: 0018:ffffc900045b79f8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000002022b030
RDX: 0000000000040000 RSI: ffffffff8864a1fa RDI: 0000000000000005
RBP: ffffc900045b7db0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
R13: 000000002022b000 R14: ffffc900045b7df4 R15: 0000000000000002
____sys_recvmsg+0x2f5/0x5c0 net/socket.c:2816
___sys_recvmsg+0x115/0x1a0 net/socket.c:2845
do_recvmmsg+0x2af/0x740 net/socket.c:2939
__sys_recvmmsg net/socket.c:3018 [inline]
__do_sys_recvmmsg net/socket.c:3041 [inline]
__se_sys_recvmmsg net/socket.c:3034 [inline]
__x64_sys_recvmmsg+0x235/0x290 net/socket.c:3034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f276867cce9
RSP: 002b:00007f276947d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f276879c050 RCX: 00007f276867cce9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f27686c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f276879c050 R15: 00007fff03630058
rcu: rcu_preempt kthread starved for 10109 jiffies! g175381 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:28224 pid:16 tgid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x137/0x290 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc6-syzkaller-00229-g5414aea7b750 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113
Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 00 bd 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 97 b9 ba 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff8cc07d68 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a7f2a17
RDX: 0000000000000001 RSI: ffff888013082000 RDI: ffff888013082064
RBP: ffff888013082064 R08: 0000000000000001 R09: ffffed1017306dbd
R10: ffff8880b9836deb R11: 0000000000000000 R12: ffff888145e98800
R13: ffffffff8db11aa0 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005604ca6d8070 CR3: 0000000016361000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x83/0x500 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:215 [inline]
do_idle+0x319/0x400 kernel/sched/idle.c:282
cpu_startup_entry+0x50/0x60 kernel/sched/idle.c:380
rest_init+0x16f/0x2b0 init/main.c:730
arch_call_rest_init+0x13/0x30 init/main.c:827
start_kernel+0x39f/0x480 init/main.c:1072
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:555
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x166/0x16b