rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2641 jiffies s: 2429 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5490 Comm: dhcpcd-run-hook Not tainted 6.7.0-rc5-syzkaller-01497-gc49b292d031e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:127 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0x10d/0x190 mm/kasan/generic.c:187
Code: 00 00 7c 0b 44 89 c2 e8 71 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 80 38 00 <74> f2 eb b6 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 c0
RSP: 0018:ffffc900001f0bc0 EFLAGS: 00000046
RAX: fffffbfff23e3bd6 RBX: fffffbfff23e3bd7 RCX: ffffffff816736ee
RDX: fffffbfff23e3bd7 RSI: 0000000000000008 RDI: ffffffff91f1deb0
RBP: fffffbfff23e3bd6 R08: 0000000000000000 R09: fffffbfff23e3bd6
R10: ffffffff91f1deb7 R11: 0000000000000003 R12: ffff88807d606478
R13: ffff88807d606471 R14: 000000000000006a R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa56fa0d5e8 CR3: 0000000020f1f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 __lock_acquire+0x137f/0x3b20 kernel/locking/lockdep.c:5133
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x2bd/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: d6 1c db 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 65 8b 05 14 1f 7c 7e a9 00
RSP: 0018:ffffc90004507430 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffc90004507500 RCX: 0000000000000001
RDX: 0000000000000008 RSI: ffffc90004507af8 RDI: ffffc90004507500
RBP: ffffc90004507af8 R08: 0000000000000001 R09: 0000000000000004
R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90004507508
R13: ffffc90004507b28 R14: 0000000000000001 R15: 0000000000000001
 stack_access_ok+0x22/0x270 arch/x86/kernel/unwind_orc.c:390
 deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
 unwind_next_frame+0x1a98/0x2390 arch/x86/kernel/unwind_orc.c:648
 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:164 [inline]
 slab_free_hook mm/slub.c:1800 [inline]
 slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
 slab_free mm/slub.c:3809 [inline]
 kmem_cache_free+0xf8/0x350 mm/slub.c:3831
 remove_vma+0x128/0x170 mm/mmap.c:146
 exit_mmap+0x453/0xa70 mm/mmap.c:3332
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 exec_mmap fs/exec.c:1035 [inline]
 begin_new_exec+0x1253/0x3120 fs/exec.c:1294
 load_elf_binary+0x836/0x4e30 fs/binfmt_elf.c:996
 search_binary_handler fs/exec.c:1737 [inline]
 exec_binprm fs/exec.c:1779 [inline]
 bprm_execve fs/exec.c:1854 [inline]
 bprm_execve+0x7f9/0x1a90 fs/exec.c:1810
 do_execveat_common.isra.0+0x5d3/0x740 fs/exec.c:1962
 do_execve fs/exec.c:2036 [inline]
 __do_sys_execve fs/exec.c:2112 [inline]
 __se_sys_execve fs/exec.c:2107 [inline]
 __x64_sys_execve+0x8c/0xb0 fs/exec.c:2107
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fa56f95aef7
Code: Unable to access opcode bytes at 0x7fa56f95aecd.
RSP: 002b:00007ffe9b1107b8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 000055cc2c5efec0 RCX: 00007fa56f95aef7
RDX: 000055cc2c5eff08 RSI: 000055cc2c5efec0 RDI: 000055cc2c5eff98
RBP: 000055cc2c5eff98 R08: 000055cc2c5eff9d R09: 00007ffe9b115e92
R10: 00007fa56fb53088 R11: 0000000000000246 R12: 000055cc2c5eff08
R13: 00007fa56fb08904 R14: 000055cc2c5eff08 R15: 0000000000000000
 </TASK>