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BUG: KASAN: double-free in slab_free mm/slub.c:3787 [inline]
BUG: KASAN: double-free in __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
Free of addr ffff888016632000 by task ksoftirqd/0/15

CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.3.0-rc2-syzkaller-00393-gf038f3917baf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:319
 print_report mm/kasan/report.c:430 [inline]
 kasan_report_invalid_free+0xe8/0x100 mm/kasan/report.c:501
 ____kasan_slab_free+0x185/0x1c0 mm/kasan/common.c:225
 kasan_slab_free include/linux/kasan.h:162 [inline]
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3787 [inline]
 __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
 skb_kfree_head net/core/skbuff.c:858 [inline]
 skb_free_head+0x108/0x1a0 net/core/skbuff.c:870
 skb_release_data+0x57a/0x820 net/core/skbuff.c:899
 skb_release_all net/core/skbuff.c:964 [inline]
 __kfree_skb net/core/skbuff.c:978 [inline]
 consume_skb net/core/skbuff.c:1191 [inline]
 consume_skb+0xd0/0x170 net/core/skbuff.c:1185
 j1939_xtp_rx_dat_one+0xa6b/0x10b0 net/can/j1939/transport.c:1907
 j1939_xtp_rx_dat net/can/j1939/transport.c:1933 [inline]
 j1939_tp_recv+0x7d5/0xf50 net/can/j1939/transport.c:2127
 j1939_can_recv net/can/j1939/main.c:112 [inline]
 j1939_can_recv+0x78e/0xa80 net/can/j1939/main.c:38
 deliver net/can/af_can.c:572 [inline]
 can_rcv_filter+0x5d4/0x8d0 net/can/af_can.c:606
 can_receive+0x31d/0x5c0 net/can/af_can.c:663
 can_rcv+0x1e1/0x280 net/can/af_can.c:687
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5479
 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5593
 process_backlog+0x239/0x800 net/core/dev.c:5921
 __napi_poll+0xb7/0x6f0 net/core/dev.c:6482
 napi_poll net/core/dev.c:6549 [inline]
 net_rx_action+0x9c2/0xd80 net/core/dev.c:6659
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:934 [inline]
 run_ksoftirqd+0x31/0x60 kernel/softirq.c:926
 smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Allocated by task 8005:
 kasan_save_stack+0x22/0x40 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 mm/kasan/common.c:333 [inline]
 __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:196 [inline]
 __do_kmalloc_node mm/slab_common.c:967 [inline]
 __kmalloc_node_track_caller+0x5f/0x1a0 mm/slab_common.c:987
 kmalloc_reserve+0xf0/0x270 net/core/skbuff.c:537
 __alloc_skb+0x129/0x330 net/core/skbuff.c:606
 alloc_skb include/linux/skbuff.h:1277 [inline]
 alloc_skb_with_frags+0x97/0x6c0 net/core/skbuff.c:6318
 sock_alloc_send_pskb+0x7a7/0x930 net/core/sock.c:2734
 sock_alloc_send_skb include/net/sock.h:1860 [inline]
 j1939_sk_alloc_skb net/can/j1939/socket.c:864 [inline]
 j1939_sk_send_loop net/can/j1939/socket.c:1121 [inline]
 j1939_sk_sendmsg+0x6ba/0x13a0 net/can/j1939/socket.c:1256
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2501
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2555
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2584
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 21:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:162 [inline]
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3787 [inline]
 __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
 skb_kfree_head net/core/skbuff.c:858 [inline]
 skb_free_head+0x108/0x1a0 net/core/skbuff.c:870
 skb_release_data+0x57a/0x820 net/core/skbuff.c:899
 skb_release_all net/core/skbuff.c:964 [inline]
 __kfree_skb net/core/skbuff.c:978 [inline]
 kfree_skb_reason+0x179/0x3a0 net/core/skbuff.c:1011
 kfree_skb include/linux/skbuff.h:1225 [inline]
 j1939_session_skb_drop_old net/can/j1939/transport.c:347 [inline]
 j1939_xtp_rx_cts_one net/can/j1939/transport.c:1438 [inline]
 j1939_xtp_rx_cts+0x6a8/0x11b0 net/can/j1939/transport.c:1477
 j1939_tp_cmd_recv net/can/j1939/transport.c:2065 [inline]
 j1939_tp_recv+0x565/0xf50 net/can/j1939/transport.c:2137
 j1939_can_recv net/can/j1939/main.c:112 [inline]
 j1939_can_recv+0x78e/0xa80 net/can/j1939/main.c:38
 deliver net/can/af_can.c:572 [inline]
 can_rcv_filter+0x5d4/0x8d0 net/can/af_can.c:606
 can_receive+0x31d/0x5c0 net/can/af_can.c:663
 can_rcv+0x1e1/0x280 net/can/af_can.c:687
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5479
 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5593
 process_backlog+0x239/0x800 net/core/dev.c:5921
 __napi_poll+0xb7/0x6f0 net/core/dev.c:6482
 napi_poll net/core/dev.c:6549 [inline]
 net_rx_action+0x9c2/0xd80 net/core/dev.c:6659
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571

The buggy address belongs to the object at ffff888016632000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes inside of
 4096-byte region [ffff888016632000, ffff888016633000)

The buggy address belongs to the physical page:
page:ffffea0000598c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16630
head:ffffea0000598c00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffff888012442140 ffffea0001e12a00 dead000000000002
raw: 0000000000000000 0000000000040004 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 0x52000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 0, tgid 0 (swapper/0), ts 10000000, free_ts 0
 prep_new_page mm/page_alloc.c:2552 [inline]
 get_page_from_freelist+0x1190/0x2e20 mm/page_alloc.c:4325
 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:5591
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2283
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab+0x25f/0x390 mm/slub.c:1998
 new_slab mm/slub.c:2051 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3193
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 __kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:966 [inline]
 __kmalloc+0x4e/0x190 mm/slab_common.c:980
 kmalloc include/linux/slab.h:584 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 con_init+0x232/0x780 drivers/tty/vt/vt.c:3475
 console_init+0xba/0x5c0 kernel/printk/printk.c:3610
 start_kernel+0x273/0x4d0 init/main.c:1077
 secondary_startup_64_no_verify+0xce/0xdb
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888016631f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888016631f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888016632000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888016632080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888016632100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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