rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2644 jiffies s: 53709 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: 20275 Comm: syz-executor.4 Not tainted 6.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:__lock_acquire+0xc5c/0x1fd0 kernel/locking/lockdep.c:5107
Code: 83 3d d7 ef d6 12 00 75 39 48 63 9c 24 88 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 20 94 c8 92 be 08 00 00 00 e8 f4 60 84 00 <48> bf 00 00 00 00 00 fc ff df 48 0f a3 1d 02 70 57 11 0f 83 f6 08
RSP: 0018:ffffc90000007950 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8171240c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92c89420
RBP: ffff888066b48b10 R08: ffffffff92c89427 R09: 1ffffffff2591284
R10: dffffc0000000000 R11: fffffbfff2591285 R12: 0000000000000001
R13: ffff888066b48000 R14: 1ffff1100cd69166 R15: ffff888066b48b30
FS:  00007f1d6f3126c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000002aea8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
 debug_hrtimer_deactivate kernel/time/hrtimer.c:427 [inline]
 debug_deactivate+0x1b/0x200 kernel/time/hrtimer.c:483
 __run_hrtimer kernel/time/hrtimer.c:1656 [inline]
 __hrtimer_run_queues+0x30f/0xd00 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x107/0x3a0 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:__sanitizer_cov_trace_cmp8+0x0/0x90 kernel/kcov.c:283
Code: 48 89 74 0a 18 4c 89 44 0a 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 4c 8b 04 24 65 48 8b 0d 60 55 70 7e 65 8b 05 61 55 70
RSP: 0018:ffffc9000a996a38 EFLAGS: 00000202
RAX: 1ffff92001532d72 RBX: ffffc9000a998000 RCX: ffff888066b48000
RDX: ffff888066b48000 RSI: ffffc9000a996b80 RDI: ffffc9000a996c20
RBP: ffffc9000a996b80 R08: ffffffff81406aca R09: ffffffff814066c0
R10: 0000000000000003 R11: ffff888066b48000 R12: ffffc9000a996c20
R13: dffffc0000000000 R14: ffffc9000a990000 R15: ffffc9000a996c28
 on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
 unwind_next_frame+0x1df4/0x29e0 arch/x86/kernel/unwind_orc.c:665
 __unwind_start+0x645/0x7a0 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x102/0x1b0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x117/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:314 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:340
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3813 [inline]
 slab_alloc_node mm/slub.c:3860 [inline]
 kmem_cache_alloc_node+0x18f/0x380 mm/slub.c:3903
 __alloc_skb+0x181/0x420 net/core/skbuff.c:641
 alloc_skb include/linux/skbuff.h:1296 [inline]
 qdisc_notify+0x11b/0x4b0 net/sched/sch_api.c:1043
 tc_modify_qdisc+0x1c58/0x1e40 net/sched/sch_api.c:1748
 rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6615
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1d6e67dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1d6f3120c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1d6e7abf80 RCX: 00007f1d6e67dda9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00007f1d6e6ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f1d6e7abf80 R15: 00007f1d6e8cfa48
 </TASK>