rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (0 ticks this GP) idle=9c1/1/0x4000000000000000 softirq=236297/236297 fqs=6
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3437/1:b..l
(detected by 1, t=10502 jiffies, g=359801, q=113)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26254 Comm: kworker/u4:11 Not tainted 5.16.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x21a5/0x2b00 kernel/locking/lockdep.c:4997
Code: 90 80 e1 07 80 c1 03 38 c1 0f 8c f7 e0 ff ff 48 c7 c7 20 79 bb 90 e8 4a 59 6a 00 48 be 00 00 00 00 00 fc ff df e9 dc e0 ff ff <48> c7 c1 20 79 bb 90 80 e1 07 80 c1 03 38 c1 0f 8c a6 eb ff ff 48
RSP: 0018:ffffc900000079a0 EFLAGS: 00000002
RAX: 1ffffffff2176f04 RBX: ffff88801b6161f8 RCX: ffffffff81667321
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffffc90000007af0 R08: dffffc0000000000 R09: fffffbfff1ff3fde
R10: fffffbfff1ff3fde R11: 0000000000000000 R12: 000000000000000f
R13: ffff88801b6161d8 R14: ffff88801b615700 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de21000 CR3: 000000000c88e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5637
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x546/0xa60 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+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:413 [inline]
RIP: 0010:batadv_nc_worker+0x15c/0x5b0 net/batman-adv/network-coding.c:723
Code: 5c fd 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a5 66 df f7 48 8b 1b 48 85 db 74 09 48 81 c3 38 fe ff ff 75 19 8f 85 93 f7 eb 5c 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e8 7b
RSP: 0018:ffffc90002ec7bf8 EFLAGS: 00000246
RAX: 1ffff1100f9a70eb RBX: 0000000000000000 RCX: ffff88801b615700
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888019a10c80 R08: dffffc0000000000 R09: fffffbfff1ff3fdd
R10: fffffbfff1ff3fdd R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88807cd38000 R14: ffff88801a550290 R15: 00000000000000eb
process_one_work+0x853/0x1140 kernel/workqueue.c:2298
worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
task:syz-executor.5 state:R running task stack:26320 pid: 3437 ppid: 3623 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6668
irqentry_exit+0x56/0x90 kernel/entry/common.c:425
asm_sysvec_reschedule_ipi+0x12/0x20
RIP: 0010:lock_acquire+0x1/0x4d0 kernel/locking/lockdep.c:5605
Code: 0f 8c b5 fd ff ff 48 c7 c7 28 df fe 8d e8 57 81 6a 00 e9 a4 fd ff ff 66 90 65 8b 05 11 84 9c 7e a9 00 ff ff 00 0f 95 c0 c3 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 00
RSP: 0018:ffffc90002f671a8 EFLAGS: 00000246
RAX: ffffffff8192065a RBX: 00007f470d512e99 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cb1de00
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: fffff520005ece58 R11: 0000000000000000 R12: ffff888019e10000
R13: ffffffff8171d300 R14: 00007f470d512e99 R15: 1ffff920005ece55
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:268
rcu_read_lock include/linux/rcupdate.h:688 [inline]
is_bpf_text_address+0x27/0x270 kernel/bpf/core.c:715
kernel_text_address+0x9e/0xd0 kernel/extable.c:124
__kernel_text_address+0x9/0x40 kernel/extable.c:78
unwind_get_return_address+0x48/0x80 arch/x86/kernel/unwind_orc.c:318
arch_stack_walk+0xf8/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xdc/0x110 mm/kasan/common.c:513
kasan_kmalloc include/linux/kasan.h:269 [inline]
__kmalloc_node+0x28e/0x420 mm/slub.c:4471
kmalloc_node include/linux/slab.h:613 [inline]
__vmalloc_area_node mm/vmalloc.c:2940 [inline]
__vmalloc_node_range+0x2cb/0x960 mm/vmalloc.c:3065
module_alloc+0x7e/0x90 arch/x86/kernel/module.c:75
bpf_jit_binary_alloc+0x123/0x250 kernel/bpf/core.c:884
bpf_int_jit_compile+0x9bd8/0xae70 arch/x86/net/bpf_jit_comp.c:2337
bpf_prog_select_runtime+0x6de/0x9f0 kernel/bpf/core.c:1930
bpf_migrate_filter net/core/filter.c:1295 [inline]
bpf_prepare_filter+0x10db/0x1400 net/core/filter.c:1343
bpf_prog_create_from_user+0x2a1/0x3d0 net/core/filter.c:1437
seccomp_prepare_filter kernel/seccomp.c:666 [inline]
seccomp_prepare_user_filter kernel/seccomp.c:703 [inline]
seccomp_set_mode_filter kernel/seccomp.c:1824 [inline]
do_seccomp+0x90f/0x24b0 kernel/seccomp.c:1944
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: 0033:0x7f470d512e99
RSP: 002b:00007f470be88168 EFLAGS: 00000246 ORIG_RAX: 000000000000013d
RAX: ffffffffffffffda RBX: 00007f470d625f60 RCX: 00007f470d512e99
RDX: 0000000020000400 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f470d56cff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc096096ef R14: 00007f470be88300 R15: 0000000000022000
rcu: rcu_preempt kthread starved for 10490 jiffies! g359801 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26576 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x1fd/0x770 kernel/rcu/tree.c:1955
rcu_gp_kthread+0xa5/0x350 kernel/rcu/tree.c:2128
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 5519 Comm: kworker/u4:10 Not tainted 5.16.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
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_check_gp_kthread_starvation+0x1ff/0x270 kernel/rcu/tree_stall.h:481
print_other_cpu_stall kernel/rcu/tree_stall.h:586 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq+0x23d5/0x2bc0 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+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x60 kernel/kcov.c:200
Code: b5 8c e8 cf d4 4b 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 04 24 65 48 8b 0c 25 c0 6f 02 00 65 8b 15 a4 e3 7d 7e c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 a4 15 00 00
RSP: 0018:ffffc9000f5f7818 EFLAGS: 00000202
RAX: ffffffff8178d7da RBX: 1ffff1101734831d RCX: ffff888022918000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000f5f7960 R08: ffffffff8178d7a2 R09: ffffffff844b3100
R10: 0000000000000009 R11: ffff888022918000 R12: 0000000000000000
R13: ffff8880b9a418e8 R14: ffff8880b9b3a640 R15: dffffc0000000000
csd_lock_wait kernel/smp.c:440 [inline]
smp_call_function_many_cond+0xbca/0xda0 kernel/smp.c:969
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1112 [inline]
text_poke_bp_batch+0x310/0x940 arch/x86/kernel/alternative.c:1297
text_poke_flush arch/x86/kernel/alternative.c:1451 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1458
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x12d/0x250 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate+0xbf/0x460 mm/kfence/core.c:732
process_one_work+0x853/0x1140 kernel/workqueue.c:2298
worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 90 nop
1: 80 e1 07 and $0x7,%cl
4: 80 c1 03 add $0x3,%cl
7: 38 c1 cmp %al,%cl
9: 0f 8c f7 e0 ff ff jl 0xffffe106
f: 48 c7 c7 20 79 bb 90 mov $0xffffffff90bb7920,%rdi
16: e8 4a 59 6a 00 callq 0x6a5965
1b: 48 be 00 00 00 00 00 movabs $0xdffffc0000000000,%rsi
22: fc ff df
25: e9 dc e0 ff ff jmpq 0xffffe106
* 2a: 48 c7 c1 20 79 bb 90 mov $0xffffffff90bb7920,%rcx <-- trapping instruction
31: 80 e1 07 and $0x7,%cl
34: 80 c1 03 add $0x3,%cl
37: 38 c1 cmp %al,%cl
39: 0f 8c a6 eb ff ff jl 0xffffebe5
3f: 48 rex.W