rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=b79/1/0x4000000000000000 softirq=98888/98889 fqs=5228
(t=10502 jiffies g=177453 q=2684)
NMI backtrace for cpu 0
CPU: 0 PID: 21918 Comm: syz-executor.3 Not tainted 5.16.0-rc6-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+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x22d/0x390 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+0x1e33/0x2bc0 kernel/rcu/tree.c:2597
update_process_times+0x197/0x200 kernel/time/timer.c:1785
tick_sched_handle kernel/time/tick-sched.c:226 [inline]
tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1428
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:rcu_read_lock_sched_notrace include/linux/rcupdate.h:788 [inline]
RIP: 0010:trace_prandom_u32+0x77/0x260 include/trace/events/random.h:227
Code: f6 48 0f a3 1d 62 a7 ea 09 0f 92 c3 40 0f 92 c6 31 ff e8 cc 8a 70 fd 84 db 75 07 e8 f3 87 70 fd eb 6f 65 83 05 a1 6b ee 7b 01 <48> c7 c0 80 c7 ed 8d 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80
RSP: 0018:ffffc90000007ac8 EFLAGS: 00000206
RAX: 0000000000000102 RBX: 0000000000000001 RCX: ffffffff841403fc
RDX: ffff8880a996d700 RSI: 0000000000000001 RDI: 0000000000000000
RBP: caa8545fd2014a29 R08: ffffffff84140414 R09: fffffbfff1bfd56e
R10: fffffbfff1bfd56e R11: 0000000000000000 R12: 6db0330c836390cc
R13: ffff8880b9a363f0 R14: ffff8880b9a363f8 R15: 5ad7a309d8d3a634
prandom_u32+0x1fd/0x260 lib/random32.c:390
mrp_join_timer_arm net/802/mrp.c:595 [inline]
mrp_join_timer+0x44e/0x820 net/802/mrp.c:609
call_timer_fn+0xf6/0x210 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers+0x71a/0x910 kernel/time/timer.c:1734
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
__do_softirq+0x392/0x7a3 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 67 ba f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 17 21 44 f7 65 8b 05 38 6a ec 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900162af160 EFLAGS: 00000206
RAX: 39e47af4f8bfc600 RBX: 1ffff92002c55e30 RCX: ffffffff90bb7903
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900162af1e8 R08: ffffffff818b28b0 R09: fffffbfff21ce587
R10: fffffbfff21ce587 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92002c55e2c R14: ffffc900162af180 R15: 0000000000000246
__debug_check_no_obj_freed lib/debugobjects.c:1002 [inline]
debug_check_no_obj_freed+0x5a2/0x650 lib/debugobjects.c:1023
free_pages_prepare mm/page_alloc.c:1343 [inline]
free_pcp_prepare+0x2a5/0xe00 mm/page_alloc.c:1389
free_unref_page_prepare mm/page_alloc.c:3309 [inline]
free_unref_page+0x7d/0x580 mm/page_alloc.c:3388
do_slab_free mm/slub.c:3501 [inline]
___cache_free+0xe6/0x120 mm/slub.c:3520
qlist_free_all mm/kasan/quarantine.c:165 [inline]
kasan_quarantine_reduce+0x151/0x1c0 mm/kasan/quarantine.c:272
__kasan_slab_alloc+0x2f/0xf0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:519 [inline]
slab_alloc_node mm/slub.c:3234 [inline]
slab_alloc mm/slub.c:3242 [inline]
kmem_cache_alloc_trace+0x20b/0x330 mm/slub.c:3259
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
binder_open+0xff/0xba0 drivers/android/binder.c:5040
do_dentry_open+0x78b/0x1020 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x2896/0x3660 fs/namei.c:3559
do_filp_open+0x277/0x4f0 fs/namei.c:3586
do_sys_openat2+0x13b/0x500 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1239
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f82a27b0e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f82a1126168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f82a28c3f60 RCX: 00007f82a27b0e99
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f82a280aff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4873f02f R14: 00007f82a1126300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: f6 48 0f a3 testb $0xa3,0xf(%rax)
4: 1d 62 a7 ea 09 sbb $0x9eaa762,%eax
9: 0f 92 c3 setb %bl
c: 40 0f 92 c6 setb %sil
10: 31 ff xor %edi,%edi
12: e8 cc 8a 70 fd callq 0xfd708ae3
17: 84 db test %bl,%bl
19: 75 07 jne 0x22
1b: e8 f3 87 70 fd callq 0xfd708813
20: eb 6f jmp 0x91
22: 65 83 05 a1 6b ee 7b addl $0x1,%gs:0x7bee6ba1(%rip) # 0x7bee6bcb
29: 01
* 2a: 48 c7 c0 80 c7 ed 8d mov $0xffffffff8dedc780,%rax <-- trapping instruction
31: 48 c1 e8 03 shr $0x3,%rax
35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
3c: fc ff df
3f: 80 .byte 0x80