rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P13161/1:b..l
(detected by 1, t=10503 jiffies, g=494329, q=41)
task:kworker/u4:10 state:R running task stack:23072 pid:13161 ppid: 2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6287
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6687
irqentry_exit+0x31/0x80 kernel/entry/common.c:427
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:197
Code: 01 f0 4d 89 03 e9 63 fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 <65> 8b 05 b9 ce 8b 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc9000201fc88 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888029fbb900
RDX: 0000000000000000 RSI: ffff888029fbb900 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff88d28d61 R11: 0000000000000000 R12: ffffc9000201fdb0
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000122
rcu_read_unlock include/linux/rcupdate.h:719 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:414 [inline]
batadv_nc_worker+0x84e/0xfa0 net/batman-adv/network-coding.c:721
process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x3e5/0x4d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: rcu_preempt kthread starved for 10521 jiffies! g494329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:26928 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6287
schedule+0xd3/0x270 kernel/sched/core.c:6366
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x186/0x800 kernel/rcu/tree.c:1957
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2130
kthread+0x3e5/0x4d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9339 Comm: syz-executor.0 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_preemption_disabled+0x4/0x140 lib/smp_processor_id.c:13
Code: 00 00 e8 0f bc 64 f8 65 48 8b 3c 25 40 f0 01 00 e8 81 fb 1c f8 eb 99 0f 1f 44 00 00 0f 0b e9 23 ff ff ff cc cc cc 41 56 41 55 <49> 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 bd 5a cc
RSP: 0018:ffffc90000007890 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880b9c1f300 RCX: 0000000000000100
RDX: ffff88802708b900 RSI: ffffffff89e42e20 RDI: ffffffff89e42e60
RBP: ffff8880b9c1f300 R08: 0000000000000000 R09: ffff8880b9c3298b
R10: ffffed1017386531 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000223c0
FS: 00007f37dc58a700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f22000 CR3: 00000000a4df1000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
hrtimer_interrupt+0x22/0x790 kernel/time/hrtimer.c:1783
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:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3ba/0xb40 kernel/locking/qspinlock.c:508
Code: eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 <41> 83 ec 01 0f 84 72 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f
RSP: 0018:ffffc90000007a30 EFLAGS: 00000206
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff18f2798
RDX: 0000000000000001 RSI: ffffffff817c4a01 RDI: ffffffff81334591
RBP: ffffffff8c793cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817c49c9 R11: 0000000000000080 R12: 00000000000045a7
R13: fffffbfff18f2798 R14: 0000000000000001 R15: ffff8880b9c327c0
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:363 [inline]
mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1516
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784
mac80211_hwsim_beacon_tx+0x49b/0x930 drivers/net/wireless/mac80211_hwsim.c:1838
__iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0x70/0x180 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__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:find_vmap_lowest_match mm/vmalloc.c:1209 [inline]
RIP: 0010:__alloc_vmap_area mm/vmalloc.c:1421 [inline]
RIP: 0010:alloc_vmap_area+0x40d/0x1e00 mm/vmalloc.c:1531
Code: c4 ff 45 31 ed 48 83 fb 10 74 1f e8 ad 45 c4 ff 48 8d 7b 28 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 a3 17 00 00 4c 8b 6b 28 8e 45 c4 ff 4c 8b 34 24 4c 89 ee 4c 89 f7 e8 4f 4b c4 ff 4d 39
RSP: 0018:ffffc9000194f670 EFLAGS: 00000246
RAX: 1ffff11002e44497 RBX: ffff888017222490 RCX: ffffc90010e44000
RDX: 0000000000040000 RSI: ffffffff81b1db93 RDI: ffff8880172224b8
RBP: ffff88801964cbb0 R08: ffffffffa0002000 R09: 0000000000000003
R10: ffffffff81b1db53 R11: 0000000000000000 R12: dffffc0000000000
R13: 00001fffe49bb000 R14: 0000000000000000 R15: ffffffffa0000000
__get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2411
__vmalloc_node_range+0x12a/0x9e0 mm/vmalloc.c:2998
module_alloc+0x73/0x90 arch/x86/kernel/module.c:75
bpf_jit_binary_alloc+0xa5/0x180 kernel/bpf/core.c:874
bpf_int_jit_compile+0x450/0x11e0 arch/x86/net/bpf_jit_comp.c:2320
bpf_prog_select_runtime+0x464/0x6a0 kernel/bpf/core.c:1914
bpf_prog_load+0xe8b/0x21f0 kernel/bpf/syscall.c:2305
__sys_bpf+0x67e/0x5df0 kernel/bpf/syscall.c:4587
__do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689
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: 0033:0x4665f9
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:00007f37dc58a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665f9
RDX: 0000000000000078 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007fff3fbd2fdf R14: 00007f37dc58a300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 01 f0 add %esi,%eax
2: 4d 89 03 mov %r8,(%r11)
5: e9 63 fd ff ff jmpq 0xfffffd6d
a: b9 ff ff ff ff mov $0xffffffff,%ecx
f: ba 08 00 00 00 mov $0x8,%edx
14: 4d 8b 03 mov (%r11),%r8
17: 48 0f bd ca bsr %rdx,%rcx
1b: 49 8b 45 00 mov 0x0(%r13),%rax
1f: 48 63 c9 movslq %ecx,%rcx
22: e9 64 ff ff ff jmpq 0xffffff8b
27: 0f 1f 00 nopl (%rax)
* 2a: 65 8b 05 b9 ce 8b 7e mov %gs:0x7e8bceb9(%rip),%eax # 0x7e8bceea <-- trapping instruction
31: 89 c1 mov %eax,%ecx
33: 48 8b 34 24 mov (%rsp),%rsi
37: 81 e1 00 01 00 00 and $0x100,%ecx
3d: 65 gs
3e: 48 rex.W
3f: 8b .byte 0x8b