rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10797 ticks this GP) idle=757/1/0x4000000000000000 softirq=254222/254223 fqs=5231
(t=10502 jiffies g=490433 q=64)
NMI backtrace for cpu 1
CPU: 1 PID: 14585 Comm: syz-executor.5 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
update_process_times+0x16d/0x200 kernel/time/timer.c:1785
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:pie_calculate_probability+0x25f/0x7c0 net/sched/sch_pie.c:352
Code: 00 00 00 48 89 5c 24 40 48 8b 5c 24 20 b8 05 00 00 00 41 bc 64 00 00 00 4c 89 74 24 30 41 89 c6 4c 89 6c 24 38 e8 11 8e 25 fa <47> 8d 24 a4 31 d2 4c 89 ff 43 8d 0c 24 48 c1 ed 02 48 b8 ff ff ff
RSP: 0018:ffffc90000dc0c50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000abcc7711 RCX: 0000000000000100
RDX: ffff888032035700 RSI: ffffffff875235ff RDI: 0000000000000003
RBP: 00000000112e0be8 R08: 00028f5c28f5c28e R09: 0000000000000000
R10: ffffffff875235c5 R11: 0000000000000000 R12: 0000000000000064
R13: ffff888075640300 R14: 0000000000000005 R15: 0000000000000000
fq_pie_timer+0x170/0x2a0 net/sched/sch_fq_pie.c:383
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline]
RIP: 0010:__orc_find+0x83/0xf0 arch/x86/kernel/unwind_orc.c:52
Code: 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 <48> 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1
RSP: 0018:ffffc9000462f2e8 EFLAGS: 00000246
RAX: fffffffff444ff11 RBX: ffffffff8d8496e0 RCX: ffffffff81c99865
RDX: 0000000000000000 RSI: ffffffff8df6b2ee RDI: ffffffff8d8496e0
RBP: ffffffff8d8496e0 R08: 0000000000000000 R09: ffffffff8df6b2ee
R10: fffff520008c5e8c R11: 0000000000086089 R12: ffffffff8d8496e0
R13: ffffffff8d8496e0 R14: ffffffff8d8496e0 R15: dffffc0000000000
orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
unwind_next_frame+0x32a/0x1ce0 arch/x86/kernel/unwind_orc.c:443
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
____kasan_slab_free mm/kasan/common.c:366 [inline]
____kasan_slab_free mm/kasan/common.c:328 [inline]
__kasan_slab_free+0xff/0x130 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:1700 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1726
slab_free mm/slub.c:3492 [inline]
kmem_cache_free+0x95/0x5d0 mm/slub.c:3508
merge_or_add_vmap_area mm/vmalloc.c:1142 [inline]
merge_or_add_vmap_area_augment mm/vmalloc.c:1161 [inline]
__purge_vmap_area_lazy+0xa7a/0x1c50 mm/vmalloc.c:1697
try_purge_vmap_area_lazy mm/vmalloc.c:1723 [inline]
free_vmap_area_noflush+0xa5b/0xd10 mm/vmalloc.c:1765
free_unmap_vmap_area mm/vmalloc.c:1778 [inline]
remove_vm_area+0x1ca/0x230 mm/vmalloc.c:2517
vm_remove_mappings mm/vmalloc.c:2546 [inline]
__vunmap+0x392/0xb70 mm/vmalloc.c:2611
__vfree+0x3c/0xd0 mm/vmalloc.c:2669
vfree+0x5a/0x90 mm/vmalloc.c:2700
kcov_put kernel/kcov.c:408 [inline]
kcov_put+0x26/0x40 kernel/kcov.c:404
kcov_close+0xc/0x10 kernel/kcov.c:510
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xc14/0x2b40 kernel/exit.c:832
do_group_exit+0x125/0x310 kernel/exit.c:929
get_signal+0x47d/0x21d0 kernel/signal.c:2820
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6f15549
Code: Unable to access opcode bytes at RIP 0xf6f1551f.
RSP: 002b:00000000f450f67c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 00000000f7071fa8 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7071fac
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: 5c pop %rsp
6: 24 40 and $0x40,%al
8: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx
d: b8 05 00 00 00 mov $0x5,%eax
12: 41 bc 64 00 00 00 mov $0x64,%r12d
18: 4c 89 74 24 30 mov %r14,0x30(%rsp)
1d: 41 89 c6 mov %eax,%r14d
20: 4c 89 6c 24 38 mov %r13,0x38(%rsp)
25: e8 11 8e 25 fa callq 0xfa258e3b
* 2a: 47 8d 24 a4 lea (%r12,%r12,4),%r12d <-- trapping instruction
2e: 31 d2 xor %edx,%edx
30: 4c 89 ff mov %r15,%rdi
33: 43 8d 0c 24 lea (%r12,%r12,1),%ecx
37: 48 c1 ed 02 shr $0x2,%rbp
3b: 48 rex.W
3c: b8 .byte 0xb8
3d: ff (bad)
3e: ff (bad)
3f: ff .byte 0xff