ODEBUG: free active (active state 0) object type: rcu_head hint:           (null)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10806 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10806 Comm: systemd-udevd Not tainted 4.14.294-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
RSP: 0018:ffff8880ba507d00 EFLAGS: 00010082
RAX: 0000000000000051 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff878bc9e0 RDI: ffffed10174a0f96
RBP: ffffffff878b1b00 R08: 0000000000000051 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88809d4344c0 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888050400100 R15: ffff888090d941c0
 __debug_check_no_obj_freed lib/debugobjects.c:747 [inline]
 debug_check_no_obj_freed+0x3b7/0x680 lib/debugobjects.c:776
 kfree+0xb9/0x250 mm/slab.c:3814
 __tcindex_destroy+0x2e/0x70 net/sched/cls_tcindex.c:253
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946
 __do_softirq+0x24d/0x9ff kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x193/0x240 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:638 [inline]
 smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:27 [inline]
RIP: 0010:__orc_find+0x63/0xf0 arch/x86/kernel/unwind_orc.c:49
RSP: 0018:ffff88809c69f3b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: ffffffff8a19ef48 RCX: ffffffff81891ae9
RDX: 0000000000000000 RSI: ffffffff8a735ac6 RDI: ffffffff8a19ef48
RBP: ffffffff8a19ef48 R08: ffffffff8a735ac6 R09: ffffffff8a735acc
R10: 000000000002109f R11: 0000000000066071 R12: ffffffff8a19ef48
R13: ffffffff8a19ef48 R14: ffffffff8a19ef48 R15: dffffc0000000000
 orc_find arch/x86/kernel/unwind_orc.c:118 [inline]
 unwind_next_frame+0x59a/0x17d0 arch/x86/kernel/unwind_orc.c:348
 __save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44
 save_stack mm/kasan/kasan.c:447 [inline]
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc mm/slab.c:3390 [inline]
 kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550
 proc_alloc_inode+0x18/0x1a0 fs/proc/inode.c:62
 alloc_inode+0x5d/0x170 fs/inode.c:210
 new_inode_pseudo fs/inode.c:899 [inline]
 new_inode+0x1d/0xf0 fs/inode.c:928
 proc_pid_make_inode+0x22/0x230 fs/proc/base.c:1762
 proc_pid_instantiate+0x43/0x150 fs/proc/base.c:3166
 proc_pid_lookup+0x2d4/0x3c0 fs/proc/base.c:3206
 proc_root_lookup+0x23/0x70 fs/proc/root.c:165
 lookup_slow+0x20a/0x400 fs/namei.c:1696
 walk_component+0x6a1/0xbc0 fs/namei.c:1825
 link_path_walk+0x4cb/0x10a0 fs/namei.c:2151
 path_openat+0x15e/0x2970 fs/namei.c:3570
 do_filp_open+0x179/0x3c0 fs/namei.c:3605
 do_sys_open+0x296/0x410 fs/open.c:1081
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f05397ce840
RSP: 002b:00007ffcd7611c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00005596be4823e8 RCX: 00007f05397ce840
RDX: 0000000000000000 RSI: 0000000000080101 RDI: 00005596be4823e8
RBP: 00005596beb4e028 R08: 0000000000000020 R09: 0000000000000018
R10: 00007f05395082aa R11: 0000000000000246 R12: 00005596be4823e6
R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e

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