==================================================================
BUG: KASAN: slab-use-after-free in tcx_entry include/net/tcx.h:36 [inline]
BUG: KASAN: slab-use-after-free in sch_handle_ingress net/core/dev.c:3990 [inline]
BUG: KASAN: slab-use-after-free in __netif_receive_skb_core.constprop.0+0x3e0e/0x3f20 net/core/dev.c:5373
Read of size 8 at addr ffff88806ef96208 by task syz-executor222/5030

CPU: 0 PID: 5030 Comm: syz-executor222 Not tainted 6.5.0-rc1-syzkaller-00458-g03b123debcbc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 tcx_entry include/net/tcx.h:36 [inline]
 sch_handle_ingress net/core/dev.c:3990 [inline]
 __netif_receive_skb_core.constprop.0+0x3e0e/0x3f20 net/core/dev.c:5373
 __netif_receive_skb_one_core+0xaf/0x180 net/core/dev.c:5511
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5627
 process_backlog+0x101/0x6c0 net/core/dev.c:5955
 __napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6517
 napi_poll net/core/dev.c:6584 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6717
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_call_function_single+0x93/0xc0 arch/x86/kernel/smp.c:287
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 16 0f 31 f7 48 89 df e8 ce 87 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 45 33 23 f7 65 8b 05 e6 43 cd 75 85 c0 74 12 5b
RSP: 0018:ffffc90003b5fc68 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b982b880 RCX: 1ffffffff1d56e39
RDX: 0000000000000000 RSI: ffffffff8a6c7720 RDI: ffffffff8ac80ec0
RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8eaba357 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffc90003b5fdd0 R14: 00000000000f4240 R15: ffff88807d9a5958
 hrtimer_start_expires include/linux/hrtimer.h:432 [inline]
 hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1968 [inline]
 do_nanosleep+0x1f2/0x500 kernel/time/hrtimer.c:2044
 hrtimer_nanosleep+0x1ae/0x440 kernel/time/hrtimer.c:2100
 common_nsleep+0xa1/0xc0 kernel/time/posix-timers.c:1350
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline]
 __x64_sys_clock_nanosleep+0x344/0x490 kernel/time/posix-timers.c:1373
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6e6e73dde3
Code: 00 00 00 00 00 66 90 83 ff 03 74 7b 83 ff 02 b8 fa ff ff ff 49 89 ca 0f 44 f8 80 3d be 12 05 00 00 74 14 b8 e6 00 00 00 0f 05 <f7> d8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 28 48 89 54 24 10
RSP: 002b:00007ffe181b6dc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f6e6e73dde3
RDX: 00007ffe181b6de0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000f4240 R08: 0000000000000062 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe181b6e60
R13: 0000000000017f6f R14: 00007ffe181b6e2c R15: 0000000000000003
 </TASK>

Allocated by task 5284:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:582 [inline]
 kzalloc include/linux/slab.h:703 [inline]
 tcx_entry_create include/net/tcx.h:85 [inline]
 tcx_entry_fetch_or_create include/net/tcx.h:106 [inline]
 tcx_entry_fetch_or_create include/net/tcx.h:100 [inline]
 ingress_init+0x2e9/0x7d0 net/sched/sch_ingress.c:91
 qdisc_create+0x4f7/0x10a0 net/sched/sch_api.c:1326
 tc_modify_qdisc+0xab3/0x1bf0 net/sched/sch_api.c:1703
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6423
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2546
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1911
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 920:
 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+0x15e/0x1b0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:162 [inline]
 slab_free_hook mm/slub.c:1792 [inline]
 slab_free_freelist_hook+0x10b/0x1e0 mm/slub.c:1818
 slab_free mm/slub.c:3801 [inline]
 kmem_cache_free_bulk.part.0+0x256/0x6c0 mm/slub.c:3919
 kfree_bulk include/linux/slab.h:499 [inline]
 kvfree_rcu_bulk+0x446/0x570 kernel/rcu/tree.c:2958
 kfree_rcu_work+0x2f2/0x5a0 kernel/rcu/tree.c:3037
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
 worker_thread+0x687/0x1110 kernel/workqueue.c:2748
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 kvfree_call_rcu+0x70/0xbe0 kernel/rcu/tree.c:3368
 tcx_entry_free include/net/tcx.h:96 [inline]
 ingress_destroy+0x39f/0x520 net/sched/sch_ingress.c:127
 qdisc_create+0xa57/0x10a0 net/sched/sch_api.c:1360
 tc_modify_qdisc+0xab3/0x1bf0 net/sched/sch_api.c:1703
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6423
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2546
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1911
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2649
 netlink_release+0xea3/0x1f80 net/netlink/af_netlink.c:828
 __sock_release+0xcd/0x290 net/socket.c:654
 sock_close+0x1c/0x20 net/socket.c:1386
 __fput+0x3fd/0xac0 fs/file_table.c:384
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88806ef96000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 520 bytes inside of
 freed 2048-byte region [ffff88806ef96000, ffff88806ef96800)

The buggy address belongs to the physical page:
page:ffffea0001bbe400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6ef90
head:ffffea0001bbe400 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000010200 ffff888012842000 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5035, tgid 5035 (syz-executor222), ts 85075398470, free_ts 27443112654
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570
 prep_new_page mm/page_alloc.c:1577 [inline]
 get_page_from_freelist+0x10a9/0x31e0 mm/page_alloc.c:3221
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477
 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2279
 alloc_slab_page mm/slub.c:1862 [inline]
 allocate_slab+0x24e/0x380 mm/slub.c:2009
 new_slab mm/slub.c:2062 [inline]
 ___slab_alloc+0x8bc/0x1570 mm/slub.c:3215
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3314
 __slab_alloc_node mm/slub.c:3367 [inline]
 slab_alloc_node mm/slub.c:3460 [inline]
 __kmem_cache_alloc_node+0x137/0x350 mm/slub.c:3509
 __do_kmalloc_node mm/slab_common.c:984 [inline]
 __kmalloc_node_track_caller+0x4d/0x100 mm/slab_common.c:1005
 kmalloc_reserve+0xef/0x270 net/core/skbuff.c:575
 __alloc_skb+0x12b/0x330 net/core/skbuff.c:644
 alloc_skb include/linux/skbuff.h:1289 [inline]
 nlmsg_new include/net/netlink.h:1003 [inline]
 inet6_ifinfo_notify+0x72/0x140 net/ipv6/addrconf.c:6052
 addrconf_notify+0x859/0x1940 net/ipv6/addrconf.c:3661
 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93
 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1962
 call_netdevice_notifiers_extack net/core/dev.c:2000 [inline]
 call_netdevice_notifiers net/core/dev.c:2014 [inline]
 __dev_notify_flags+0x12d/0x2e0 net/core/dev.c:8626
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1161 [inline]
 free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
 free_contig_range+0xb6/0x190 mm/page_alloc.c:6395
 destroy_args+0x686/0x940 mm/debug_vm_pgtable.c:1029
 debug_vm_pgtable+0x2339/0x3ff0 mm/debug_vm_pgtable.c:1410
 do_one_initcall+0x117/0x630 init/main.c:1232
 do_initcall_level init/main.c:1294 [inline]
 do_initcalls init/main.c:1310 [inline]
 do_basic_setup init/main.c:1329 [inline]
 kernel_init_freeable+0x5bd/0x8f0 init/main.c:1546
 kernel_init+0x1c/0x2a0 init/main.c:1437
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Memory state around the buggy address:
 ffff88806ef96100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806ef96180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88806ef96200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff88806ef96280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806ef96300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 16 0f 31 f7       	call   0xf7310f29
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 ce 87 31 f7       	call   0xf73187e9
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	e8 45 33 23 f7       	call   0xf7233379
  34:	65 8b 05 e6 43 cd 75 	mov    %gs:0x75cd43e6(%rip),%eax        # 0x75cd4421
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx