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BUG: KASAN: slab-use-after-free in __bpf_trace_run kernel/trace/bpf_trace.c:2382 [inline]
BUG: KASAN: slab-use-after-free in bpf_trace_run4+0x143/0x580 kernel/trace/bpf_trace.c:2439
Read of size 8 at addr ffff88802ba58f18 by task dhcpcd/3560

CPU: 0 PID: 3560 Comm: dhcpcd Not tainted 6.8.0-syzkaller-05243-g14bb1e8c8d4a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 __bpf_trace_run kernel/trace/bpf_trace.c:2382 [inline]
 bpf_trace_run4+0x143/0x580 kernel/trace/bpf_trace.c:2439
 __traceiter_sched_switch+0x98/0xd0 include/trace/events/sched.h:222
 trace_sched_switch include/trace/events/sched.h:222 [inline]
 __schedule+0x255d/0x4a20 kernel/sched/core.c:6733
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 synchronize_rcu_expedited+0x672/0x820 kernel/rcu/tree_exp.h:954
 packet_release+0x9ef/0xcc0 net/packet/af_packet.c:3169
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x429/0x8a0 fs/file_table.c:423
 __do_sys_close fs/open.c:1557 [inline]
 __se_sys_close fs/open.c:1542 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1542
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6fa05190a8
Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff098557a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 000055621d53cca3 RCX: 00007f6fa05190a8
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000000 R08: 000055622688e270 R09: 0000000000040000
R10: 000000000000006d R11: 0000000000000246 R12: 000055622688e270
R13: 0000556226890b28 R14: 00007fff0987609c R15: 0000556226890af4
 </TASK>

Allocated by task 3561:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 kmalloc_trace+0x1d9/0x360 mm/slub.c:4012
 kmalloc include/linux/slab.h:590 [inline]
 kzalloc include/linux/slab.h:711 [inline]
 bpf_raw_tp_link_attach+0x2a0/0x6e0 kernel/bpf/syscall.c:3816
 bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3863
 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5673
 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5736 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5736
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Freed by task 3559:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:589
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2121 [inline]
 slab_free mm/slub.c:4299 [inline]
 kfree+0x14a/0x380 mm/slub.c:4409
 bpf_link_release+0x3b/0x50 kernel/bpf/syscall.c:3071
 __fput+0x429/0x8a0 fs/file_table.c:423
 __do_sys_close fs/open.c:1557 [inline]
 __se_sys_close fs/open.c:1542 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1542
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

The buggy address belongs to the object at ffff88802ba58f00
 which belongs to the cache kmalloc-128 of size 128
The buggy address is located 24 bytes inside of
 freed 128-byte region [ffff88802ba58f00, ffff88802ba58f80)

The buggy address belongs to the physical page:
page:ffffea0000ae9600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ba58
ksm flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000800 ffff888014c418c0 ffffea00015e79c0 dead000000000003
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 4529, tgid 4529 (udevd), ts 43177710741, free_ts 43172650542
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533
 prep_new_page mm/page_alloc.c:1540 [inline]
 get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311
 __alloc_pages+0x256/0x680 mm/page_alloc.c:4569
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 alloc_pages_node include/linux/gfp.h:261 [inline]
 alloc_slab_page+0x5f/0x160 mm/slub.c:2190
 allocate_slab mm/slub.c:2354 [inline]
 new_slab+0x84/0x2f0 mm/slub.c:2407
 ___slab_alloc+0xd1b/0x13e0 mm/slub.c:3540
 __slab_alloc mm/slub.c:3625 [inline]
 __slab_alloc_node mm/slub.c:3678 [inline]
 slab_alloc_node mm/slub.c:3850 [inline]
 kmalloc_trace+0x267/0x360 mm/slub.c:4007
 kmalloc include/linux/slab.h:590 [inline]
 kzalloc include/linux/slab.h:711 [inline]
 kernfs_get_open_node fs/kernfs/file.c:523 [inline]
 kernfs_fop_open+0x803/0xcd0 fs/kernfs/file.c:691
 do_dentry_open+0x907/0x15a0 fs/open.c:956
 do_open fs/namei.c:3643 [inline]
 path_openat+0x2860/0x3240 fs/namei.c:3800
 do_filp_open+0x235/0x490 fs/namei.c:3827
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_openat fs/open.c:1438 [inline]
 __se_sys_openat fs/open.c:1433 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1433
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
page last free pid 4523 tgid 4523 stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1140 [inline]
 free_unref_page_prepare+0x968/0xa90 mm/page_alloc.c:2346
 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2486
 __slab_free+0x349/0x410 mm/slub.c:4211
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
 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+0x172/0x350 mm/slub.c:3867
 getname_flags+0xbd/0x4f0 fs/namei.c:140
 vfs_fstatat+0x11c/0x190 fs/stat.c:303
 __do_sys_newfstatat fs/stat.c:468 [inline]
 __se_sys_newfstatat fs/stat.c:462 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:462
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Memory state around the buggy address:
 ffff88802ba58e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802ba58e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802ba58f00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88802ba58f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802ba59000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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