rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=c61/1/0x4000000000000000 softirq=39270/39271 fqs=5157
(t=10500 jiffies g=52393 q=1187)
NMI backtrace for cpu 0
CPU: 0 PID: 17203 Comm: syz-executor.2 Not tainted 5.17.0-rc7-syzkaller-00199-g8e6ed963763f #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:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 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:604 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
rcu_pending kernel/rcu/tree.c:3919 [inline]
rcu_sched_clock_irq.cold+0x402/0x755 kernel/rcu/tree.c:2617
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:1428
__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+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kasan_check_range+0xe/0x180 mm/kasan/generic.c:188
Code: 00 00 89 43 0c e8 d2 e4 ff ff 89 43 08 5b 5d 41 5c c3 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 3c 01 00 00 49 89 f9 41 54 <44> 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff
RSP: 0018:ffffc9000475eee0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff920008ebde0 RCX: ffffffff815d9338
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d942d10
RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff8d942d10
R10: ffffffff88ea4ef1 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88801f59e918 R15: 0000000000000000
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
cpumask_test_cpu include/linux/cpumask.h:379 [inline]
cpu_online include/linux/cpumask.h:921 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0xb8/0x510 kernel/locking/lockdep.c:5610
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:354 [inline]
batadv_tt_local_purge+0x114/0x370 net/batman-adv/translation-table.c:1355
batadv_tt_local_resize_to_mtu+0x8e/0x130 net/batman-adv/translation-table.c:3957
batadv_hardif_activate_interface.part.0.cold+0x65/0x1ba net/batman-adv/hard-interface.c:662
batadv_hardif_activate_interface net/batman-adv/hard-interface.c:753 [inline]
batadv_hardif_enable_interface+0xa1c/0xb20 net/batman-adv/hard-interface.c:745
batadv_softif_slave_add+0x64/0x130 net/batman-adv/soft-interface.c:839
do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2534
__rtnl_newlink+0x13b0/0x1760 net/core/rtnetlink.c:3500
rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3531
rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5596
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:725
____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
___sys_sendmsg+0xf3/0x170 net/socket.c:2467
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe51f0cf049
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe51da44168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe51f1e1f60 RCX: 00007fe51f0cf049
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000013
RBP: 00007fe51f12908d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff84b7ed4f R14: 00007fe51da44300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 89 43 0c mov %eax,0xc(%rbx)
5: e8 d2 e4 ff ff callq 0xffffe4dc
a: 89 43 08 mov %eax,0x8(%rbx)
d: 5b pop %rbx
e: 5d pop %rbp
f: 41 5c pop %r12
11: c3 retq
12: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
19: 00 00 00
1c: 48 85 f6 test %rsi,%rsi
1f: 0f 84 3c 01 00 00 je 0x161
25: 49 89 f9 mov %rdi,%r9
28: 41 54 push %r12
* 2a: 44 0f b6 c2 movzbl %dl,%r8d <-- trapping instruction
2e: 49 01 f1 add %rsi,%r9
31: 55 push %rbp
32: 53 push %rbx
33: 0f 82 18 01 00 00 jb 0x151
39: 48 rex.W
3a: b8 ff ff ff ff mov $0xffffffff,%eax
3f: ff .byte 0xff