==================================================================
BUG: KASAN: slab-use-after-free in bpf_link_free+0x234/0x2d0 kernel/bpf/syscall.c:3078
Read of size 8 at addr ffff88801e4c7910 by task syz-executor.3/8148

CPU: 1 PID: 8148 Comm: syz-executor.3 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 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_link_free+0x234/0x2d0 kernel/bpf/syscall.c:3078
 bpf_link_put_direct kernel/bpf/syscall.c:3106 [inline]
 bpf_link_release+0x7b/0x90 kernel/bpf/syscall.c:3113
 __fput+0x406/0x8b0 fs/file_table.c:422
 __do_sys_close fs/open.c:1559 [inline]
 __se_sys_close fs/open.c:1544 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1544
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc40a7bdda
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffee23bfc30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdc40a7bdda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
RBP: ffffffffffffffff R08: 00007fdc40a00000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007fdc40bb3fa0
R13: 00007fdc40bb3fac R14: 0000000000000032 R15: 00007fdc40bb59a0
 </TASK>

Allocated by task 8150:
 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_cache_noprof+0x19c/0x2c0 mm/slub.c:4153
 kmalloc_noprof include/linux/slab.h:660 [inline]
 kzalloc_noprof include/linux/slab.h:778 [inline]
 bpf_raw_tp_link_attach+0x2a0/0x6e0 kernel/bpf/syscall.c:3879
 bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3926
 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5751
 __do_sys_bpf kernel/bpf/syscall.c:5816 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5814 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5814
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 24:
 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:579
 poison_slab_object+0xe0/0x150 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:2196 [inline]
 slab_free mm/slub.c:4437 [inline]
 kfree+0x149/0x360 mm/slub.c:4558
 rcu_do_batch kernel/rcu/tree.c:2564 [inline]
 rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2838
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:928
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Last potentially related work creation:
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541
 __call_rcu_common kernel/rcu/tree.c:3101 [inline]
 call_rcu+0x167/0xa70 kernel/rcu/tree.c:3205
 bpf_link_free+0x1f8/0x2d0 kernel/bpf/syscall.c:3076
 bpf_link_put_direct kernel/bpf/syscall.c:3106 [inline]
 bpf_link_release+0x7b/0x90 kernel/bpf/syscall.c:3113
 __fput+0x406/0x8b0 fs/file_table.c:422
 __do_sys_close fs/open.c:1559 [inline]
 __se_sys_close fs/open.c:1544 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1544
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88801e4c7900
 which belongs to the cache kmalloc-128 of size 128
The buggy address is located 16 bytes inside of
 freed 128-byte region [ffff88801e4c7900, ffff88801e4c7980)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e4c7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfdffffff(slab)
raw: 00fff00000000000 ffff888015041a00 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000100010 00000001fdffffff 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 0x152cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 8139, tgid 8138 (syz-executor.4), ts 205884412028, free_ts 205882020643
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1470
 prep_new_page mm/page_alloc.c:1478 [inline]
 get_page_from_freelist+0x2cbd/0x2d70 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4715
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x5f/0x120 mm/slub.c:2265
 allocate_slab+0x5a/0x2f0 mm/slub.c:2428
 new_slab mm/slub.c:2481 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667
 __slab_alloc+0x58/0xa0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3989 [inline]
 __kmalloc_cache_noprof+0x1d5/0x2c0 mm/slub.c:4148
 kmalloc_noprof include/linux/slab.h:660 [inline]
 kzalloc_noprof include/linux/slab.h:778 [inline]
 binder_inc_ref_for_node+0x149/0xaf0 drivers/android/binder.c:1391
 binder_translate_binder+0x34d/0x8b0 drivers/android/binder.c:2169
 binder_transaction+0x4002/0x7670 drivers/android/binder.c:3386
 binder_ioctl_write_read+0xd68/0x8d60 drivers/android/binder.c:5079
 binder_ioctl+0x43d/0x1c70 drivers/android/binder.c:5365
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 8130 tgid 8130 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1089 [inline]
 free_unref_page+0xd22/0xea0 mm/page_alloc.c:2621
 tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x11f/0x200 mm/mmu_gather.c:468
 exit_mmap+0x44f/0xc80 mm/mmap.c:3395
 __mmput+0x115/0x3c0 kernel/fork.c:1347
 exit_mm+0x220/0x310 kernel/exit.c:565
 do_exit+0x9aa/0x28e0 kernel/exit.c:861
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88801e4c7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 fc
 ffff88801e4c7880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88801e4c7900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff88801e4c7980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88801e4c7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc
==================================================================