rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2645 jiffies s: 2485 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: 5506 Comm: syz-executor.0 Not tainted 6.8.0-rc4-syzkaller-g8d3dea210042 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:103 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x6a/0x290 mm/kasan/generic.c:189
Code: 00 00 00 00 00 fc ff df 4e 8d 1c 13 49 ff c8 4d 89 c1 49 c1 e9 03 49 be 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd <48> 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48
RSP: 0018:ffffc900001f07c0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 1ffffffff2591485 RCX: ffffffff81712b08
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92c8a428
RBP: 0000000000000001 R08: ffffffff92c8a42f R09: 1ffffffff2591485
R10: dffffc0000000000 R11: fffffbfff2591485 R12: ffff88806eae0000
R13: ffff88806eae0000 R14: dffffc0000000001 R15: fffffbfff2591486
FS:  0000555557188480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000002950a000 CR4: 0000000000350ef0
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 kernel/locking/lockdep.c:228 [inline]
 __lock_acquire+0xf18/0x1fd0 kernel/locking/lockdep.c:5133
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 debug_objects_fill_pool+0x9f/0x9b0 lib/debugobjects.c:614
 debug_object_activate+0x135/0x510 lib/debugobjects.c:704
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x30/0x3a0 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x6b4/0xd00 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x92/0xb0 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:_compound_head include/linux/page-flags.h:249 [inline]
RIP: 0010:virt_to_folio include/linux/mm.h:1294 [inline]
RIP: 0010:kfree+0x82/0x380 mm/slub.c:4401
Code: fb 11 0f 82 23 01 00 00 48 89 df e8 08 6d 57 ff 49 89 c7 49 c1 ef 06 49 83 e7 c0 48 b9 00 00 00 00 00 ea ff ff 49 8b 44 0f 08 <a8> 01 0f 85 92 02 00 00 49 01 cf 0f 1f 44 00 00 49 8b 47 08 a8 01
RSP: 0018:ffffc9000506fb58 EFLAGS: 00000206
RAX: ffff888014c41500 RBX: ffff88801cf07c00 RCX: ffffea0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000506fcd0 R08: ffffffff8141a9ec R09: 1ffffffff2591497
R10: dffffc0000000000 R11: fffffbfff2591498 R12: 0000000000000246
R13: 1ffff92000a0df78 R14: ffffffff84d946ff R15: 000000000073c1c0
 ref_tracker_free+0x4ef/0x7e0 lib/ref_tracker.c:272
 __netns_tracker_free include/net/net_namespace.h:350 [inline]
 put_net_track include/net/net_namespace.h:365 [inline]
 __sk_destruct+0x386/0x5f0 net/core/sock.c:2203
 sock_put include/net/sock.h:1961 [inline]
 packet_release+0xb78/0xcc0 net/packet/af_packet.c:3185
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbe/0x240 net/socket.c:1421
 __fput+0x42b/0x8a0 fs/file_table.c:376
 __do_sys_close fs/open.c:1554 [inline]
 __se_sys_close fs/open.c:1539 [inline]
 __x64_sys_close+0x7e/0x110 fs/open.c:1539
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f757667b9da
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007fff9c01efc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f757667b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2fa60000 R09: 00007f757679bf8c
R10: 00007fff9c01f110 R11: 0000000000000293 R12: 00007f7576201548
R13: ffffffffffffffff R14: 00007f7576200000 R15: 000000000001b15e
 </TASK>