rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3606/1:b..l P3610/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=432545, q=369 ncpus=2)
task:modprobe state:R running task stack:25552 pid:3610 ppid:15686 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__lt_find include/linux/rbtree_latch.h:118 [inline]
RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline]
RIP: 0010:bpf_ksym_find+0x178/0x1b0 kernel/bpf/core.c:686
Code: 8b 5b 08 e8 ca d7 f2 ff 48 85 db 0f 85 15 ff ff ff 31 ed eb 83 e8 b8 d7 f2 ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 <75> 21 48 8b 5b 10 eb d1 e8 db e4 46 00 e9 0c ff ff ff e8 d1 e4 46
RSP: 0018:ffffc90022007230 EFLAGS: 00000246
RAX: 1ffffffff1c7cbc9 RBX: ffffffff8e3e5e38 RCX: 0000000000000000
RDX: ffff8880b3cd5940 RSI: ffffffff819330e8 RDI: ffffffff8e3e5e48
RBP: ffffffff8e3e5e38 R08: 0000000000000006 R09: 00007fb6b2abfb74
R10: ffffffffa00038c0 R11: 0000000000094000 R12: 00007fb6b2abfb74
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffffa00038c0
is_bpf_text_address+0x5a/0x1a0 kernel/bpf/core.c:720
kernel_text_address kernel/extable.c:125 [inline]
kernel_text_address+0x85/0xf0 kernel/extable.c:94
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0x9d/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15e/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1792 [inline]
slab_free_freelist_hook+0x10b/0x1e0 mm/slub.c:1818
slab_free mm/slub.c:3801 [inline]
kmem_cache_free+0xf0/0x490 mm/slub.c:3823
mas_destroy+0x1e4/0x700 lib/maple_tree.c:5603
mas_store_prealloc+0x129/0x270 lib/maple_tree.c:5532
vma_complete+0x8f7/0xde0 mm/mmap.c:553
__split_vma+0x6ec/0x830 mm/mmap.c:2386
do_vmi_align_munmap+0x2bd/0x1710 mm/mmap.c:2464
do_vmi_munmap+0x20e/0x450 mm/mmap.c:2624
mmap_region+0x194/0x2650 mm/mmap.c:2674
do_mmap+0x884/0xee0 mm/mmap.c:1363
vm_mmap_pgoff+0x1a6/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x422/0x5b0 mm/mmap.c:1409
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb6b2abfb74
RSP: 002b:00007ffdfc5875c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffdfc587678 RCX: 00007fb6b2abfb74
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fb6b27f5000
RBP: 00007ffdfc587960 R08: 0000000000000000 R09: 0000000000052000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fb6b2aa3570
R13: 00007ffdfc5879e8 R14: 0000000000052120 R15: 0000000000000000
task:modprobe state:R running task stack:26384 pid:3606 ppid:2229 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5729
Code: c1 05 d5 6e 9b 7e 83 f8 01 0f 85 b0 02 00 00 9c 58 f6 c4 02 0f 85 9b 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:ffffc90021fc7290 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920043f8e54 RCX: 0000000000000001
RDX: 1ffff11014ed4158 RSI: ffffffff8a6c83a0 RDI: ffffffff8ac81200
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2309dd0
R10: ffffffff9184ee87 R11: 0000000000094000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8c9a7400 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
rcu_read_lock include/linux/rcupdate.h:749 [inline]
is_bpf_text_address+0x38/0x1a0 kernel/bpf/core.c:719
kernel_text_address kernel/extable.c:125 [inline]
kernel_text_address+0x85/0xf0 kernel/extable.c:94
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0x9d/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook+0x5a/0xd0 mm/slab.h:762
kmem_cache_alloc_bulk+0x40c/0x7c0 mm/slub.c:4048
mt_alloc_bulk lib/maple_tree.c:164 [inline]
mas_alloc_nodes+0x39c/0x830 lib/maple_tree.c:1304
mas_node_count_gfp lib/maple_tree.c:1362 [inline]
mas_preallocate+0x2b1/0x370 lib/maple_tree.c:5547
vma_iter_prealloc mm/internal.h:1032 [inline]
__split_vma+0x1c7/0x830 mm/mmap.c:2349
do_vmi_align_munmap+0x2bd/0x1710 mm/mmap.c:2464
do_vmi_munmap+0x20e/0x450 mm/mmap.c:2624
mmap_region+0x194/0x2650 mm/mmap.c:2674
do_mmap+0x884/0xee0 mm/mmap.c:1363
vm_mmap_pgoff+0x1a6/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x422/0x5b0 mm/mmap.c:1409
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fde35274b74
RSP: 002b:00007ffc48311ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffc48311d58 RCX: 00007fde35274b74
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fde34faa000
RBP: 00007ffc48312040 R08: 0000000000000000 R09: 0000000000052000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fde35258570
R13: 00007ffc483120c8 R14: 0000000000052120 R15: 0000000000000000