rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-...!: (3 ticks this GP) idle=0eb/1/0x4000000000000000 softirq=5663/5663 fqs=0
(t=12220 jiffies g=5201 q=1621)
rcu: rcu_preempt kthread timer wakeup didn't happen for 12219 jiffies! g5201 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=3098
rcu: rcu_preempt kthread starved for 12220 jiffies! g5201 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27064 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:1914
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:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 3662 Comm: syz-executor Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
print_cpu_stall+0x31b/0x600 kernel/rcu/tree_stall.h:631
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1818
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/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:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc900031e7220 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc900031e7330 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc900031e7340
RBP: ffffffff8e63b794 R08: dffffc0000000000 R09: ffffc900031e7330
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cc76f2
R13: 1ffffffff1cc76f2 R14: ffffffff8e63b790 R15: ffffc900031e72e0
unwind_next_frame+0xbc8/0x1fa0 arch/x86/kernel/unwind_orc.c:547
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:119
__set_page_owner+0x37/0x300 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
vm_area_alloc_pages mm/vmalloc.c:2868 [inline]
__vmalloc_area_node mm/vmalloc.c:2924 [inline]
__vmalloc_node_range+0x5ab/0x8c0 mm/vmalloc.c:3029
vmalloc_user+0x70/0x80 mm/vmalloc.c:3165
kcov_mmap+0x28/0x120 kernel/kcov.c:465
call_mmap include/linux/fs.h:2177 [inline]
mmap_region+0x10e7/0x1670 mm/mmap.c:1791
do_mmap+0x78d/0xe00 mm/mmap.c:1575
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb918128c13
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007ffedf3a0318 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fb9182b6f20 RCX: 00007fb918128c13
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 00007fb9173ac000
RBP: 00007fb9173ab000 R08: 00000000000000d7 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
NMI backtrace for cpu 0
CPU: 0 PID: 3662 Comm: syz-executor Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1818
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/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:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc900031e7220 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc900031e7330 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc900031e7340
RBP: ffffffff8e63b794 R08: dffffc0000000000 R09: ffffc900031e7330
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cc76f2
R13: 1ffffffff1cc76f2 R14: ffffffff8e63b790 R15: ffffc900031e72e0
unwind_next_frame+0xbc8/0x1fa0 arch/x86/kernel/unwind_orc.c:547
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:119
__set_page_owner+0x37/0x300 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
vm_area_alloc_pages mm/vmalloc.c:2868 [inline]
__vmalloc_area_node mm/vmalloc.c:2924 [inline]
__vmalloc_node_range+0x5ab/0x8c0 mm/vmalloc.c:3029
vmalloc_user+0x70/0x80 mm/vmalloc.c:3165
kcov_mmap+0x28/0x120 kernel/kcov.c:465
call_mmap include/linux/fs.h:2177 [inline]
mmap_region+0x10e7/0x1670 mm/mmap.c:1791
do_mmap+0x78d/0xe00 mm/mmap.c:1575
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb918128c13
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007ffedf3a0318 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fb9182b6f20 RCX: 00007fb918128c13
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 00007fb9173ac000
RBP: 00007fb9173ab000 R08: 00000000000000d7 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3671 Comm: modprobe Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock+0x150/0x370 kernel/locking/spinlock_debug.c:115
Code: 00 00 c7 44 24 60 00 00 00 00 4c 89 e7 be 04 00 00 00 e8 a3 0c 66 00 4c 89 f7 be 04 00 00 00 e8 96 0c 66 00 41 0f b6 44 1d 00 <84> c0 48 89 da 0f 85 89 01 00 00 8b 44 24 60 b9 01 00 00 00 f0 41
RSP: 0018:ffffc90000dd0b60 EFLAGS: 00000097
RAX: 0000000000000004 RBX: dffffc0000000000 RCX: ffffffff81641f5a
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000dd0bc0
RBP: ffffc90000dd0c30 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff9160b818
R13: 1ffff920001ba178 R14: ffffc90000dd0bc0 R15: 1ffffffff22c1704
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f922b653108 CR3: 0000000060edd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline]
_raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x63/0x380 lib/debugobjects.c:748
debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
debug_deactivate+0x1b/0x1e0 kernel/time/hrtimer.c:481
__run_hrtimer kernel/time/hrtimer.c:1654 [inline]
__hrtimer_run_queues+0x31d/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:deref_stack_reg+0x1/0x110 arch/x86/kernel/unwind_orc.c:356
Code: d9 80 e1 07 38 c1 0f 8c 81 f4 ff ff 48 89 df e8 a5 82 91 00 48 ba 00 00 00 00 00 fc ff df e9 6a f4 ff ff 66 0f 1f 44 00 00 55 <41> 57 41 56 41 55 41 54 53 49 89 d6 49 89 f7 48 89 fb 49 bc 00 00
RSP: 0018:ffffc90003ea7598 EFLAGS: 00000283
RAX: fffffffffffffff0 RBX: ffffffff8e6365d8 RCX: 0000000000000000
RDX: ffffc90003ea76a0 RSI: ffffc90003ea7f20 RDI: ffffc90003ea7660
RBP: ffffffff8e6365da R08: ffffc90003ea7f20 R09: ffffc90003ea76b0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cc6cbb
R13: 1ffffffff1cc6cbb R14: ffffffff8e6365d9 R15: ffffc90003ea7660
unwind_next_frame+0x12f1/0x1fa0
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
__kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
vm_area_alloc+0x20/0xe0 kernel/fork.c:349
mmap_region+0xad4/0x1670 mm/mmap.c:1771
do_mmap+0x78d/0xe00 mm/mmap.c:1575
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f922b675b74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007ffc04ef7058 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffc04ef7098 RCX: 00007f922b675b74
RDX: 0000000000000005 RSI: 0000000000123000 RDI: 00007f922b40c000
RBP: 00007ffc04ef77f0 R08: 0000000000000000 R09: 0000000000028000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007f922b6585c0
R13: 00007ffc04ef7878 R14: 0000000000027f38 R15: 0000000000000000