rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2677 jiffies s: 75801 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14018 Comm: syz.1.2507 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:kasan_check_range+0x1b0/0x290 mm/kasan/generic.c:-1
Code: f3 4d 01 f3 49 89 df 49 8d 5f 07 4d 85 ff 49 0f 49 df 48 83 e3 f8 49 29 df 74 0e 41 80 3b 00 75 69 49 ff c3 49 ff cf 75 f2 5b <41> 5c 41 5e 41 5f 5d c3 45 84 ff 0f 85 91 00 00 00 41 f7 c7 00 ff
RSP: 0018:ffffc90000006eb8 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 000000000000002d RCX: ffffffff81640b61
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91934240
RBP: ffffc90000007128 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: dffffc0000000001
R13: ffff88802136da00 R14: 1ffffffff2326848 R15: 0000000000000001
FS:  00007f1e6aede6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe45932a6b0 CR3: 000000004b514000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 check_wait_context kernel/locking/lockdep.c:4801 [inline]
 __lock_acquire+0x661/0x7ea0 kernel/locking/lockdep.c:5121
 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 trace_call_bpf+0xe0/0x6b0 kernel/trace/bpf_trace.c:134
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10037
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900000075a0 EFLAGS: 00000206
RAX: 6e50b6e930433100 RBX: 1ffff92000000ebc RCX: 6e50b6e930433100
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf7160
RBP: ffffc90000007690 R08: ffff8880b8c357cb R09: 1ffff11017186af9
R10: dffffc0000000000 R11: ffffed1017186afa R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 is_bpf_text_address+0x27a/0x2a0 kernel/bpf/core.c:738
 kernel_text_address+0x9c/0xd0 kernel/extable.c:125
 __kernel_text_address+0x9/0x30 kernel/extable.c:79
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1729 [inline]
 slab_free_freelist_hook+0x133/0x1b0 mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 kmem_cache_free+0xf7/0x2a0 mm/slub.c:3709
 rcu_do_batch kernel/rcu/tree.c:2297 [inline]
 rcu_core+0x9a3/0x1740 kernel/rcu/tree.c:2557
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:vsnprintf+0x120/0x1c20 lib/vsprintf.c:-1
Code: 48 8b 5c 24 48 44 0f b6 e3 4c 89 e7 48 c7 c6 00 e2 e9 8e e8 12 84 5d f7 41 80 fc 12 0f 87 56 04 00 00 42 ff 24 e5 00 2a b2 8b <4c> 8b 64 24 10 4d 39 e5 0f 83 68 0d 00 00 e8 8d 7f 5d f7 4c 89 e0
RSP: 0018:ffffc90005417160 EFLAGS: 00000297
RAX: 0000000000000012 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffffffff8a24c6ce RSI: ffffffff8ee9e200 RDI: 0000000000000000
RBP: ffffffff8a92a9dc R08: ffff88802136da00 R09: 0000000000000012
R10: 0000000000000012 R11: 0000000000000002 R12: 0000000000000000
R13: ffff8880436c466c R14: 000000000000001c R15: ffffffff8a92a9c0
 vscnprintf+0x3d/0x80 lib/vsprintf.c:2911
 bpf_verifier_vlog+0x3a/0x3a0 kernel/bpf/log.c:23
 verbose+0x1f0/0x2b0 kernel/bpf/verifier.c:303
 add_subprog+0xdc/0x370 kernel/bpf/verifier.c:1801
 add_subprog_and_kfunc kernel/bpf/verifier.c:2150 [inline]
 bpf_check+0x1dac/0x11060 kernel/bpf/verifier.c:15597
 bpf_prog_load+0x100e/0x1530 kernel/bpf/syscall.c:2651
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5035
 __do_sys_bpf kernel/bpf/syscall.c:5139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5137 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5137
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1e69f9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1e6aede028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1e6a226090 RCX: 00007f1e69f9e559
RDX: 0000000000000094 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007f1e6a035ab8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1e6a226128 R14: 00007f1e6a226090 R15: 00007ffc93d84f08
 </TASK>