trusted_key: encrypted_key: insufficient parameters specified
==================================================================
BUG: KASAN: slab-use-after-free in key_put security/keys/key.c:655 [inline]
BUG: KASAN: slab-use-after-free in key_put+0x250/0x260 security/keys/key.c:645
Read of size 8 at addr ffff8880259fd078 by task syz.6.196/5916

CPU: 0 PID: 5916 Comm: syz.6.196 Not tainted 6.9.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x5a/0x90 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 key_put security/keys/key.c:655 [inline]
 key_put+0x250/0x260 security/keys/key.c:645
 __key_create_or_update+0x78e/0xb20 security/keys/key.c:939
 key_create_or_update+0xf/0x20 security/keys/key.c:1017
 __do_sys_add_key+0x1be/0x310 security/keys/keyctl.c:134
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x6f/0x1a0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2db377e759
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2db449c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8
RAX: ffffffffffffffda RBX: 00007f2db3936058 RCX: 00007f2db377e759
RDX: 0000000020000100 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 00007f2db37f175e R08: fffffffffffffffe R09: 0000000000000000
R10: 00000000000000ca R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2db3936058 R15: 00007fff0a3de438
 </TASK>

Allocated by task 5916:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3804 [inline]
 slab_alloc_node mm/slub.c:3851 [inline]
 kmem_cache_alloc+0x13c/0x3a0 mm/slub.c:3858
 kmem_cache_zalloc include/linux/slab.h:739 [inline]
 key_alloc+0x2ef/0x11c0 security/keys/key.c:277
 __key_create_or_update+0x5e8/0xb20 security/keys/key.c:929
 key_create_or_update+0xf/0x20 security/keys/key.c:1017
 __do_sys_add_key+0x1be/0x310 security/keys/keyctl.c:134
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x6f/0x1a0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 37:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:240 [inline]
 __kasan_slab_free+0x11d/0x1a0 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2111 [inline]
 slab_free mm/slub.c:4286 [inline]
 kmem_cache_free+0x125/0x3f0 mm/slub.c:4350
 key_gc_unused_keys.constprop.0+0x11b/0x390 security/keys/gc.c:167
 key_garbage_collector+0x2a9/0x7f0 security/keys/gc.c:300
 process_one_work+0x7e6/0x1630 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3348 [inline]
 worker_thread+0x6b1/0x1080 kernel/workqueue.c:3429
 kthread+0x274/0x330 kernel/kthread.c:388
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

The buggy address belongs to the object at ffff8880259fcfc0
 which belongs to the cache key_jar of size 328
The buggy address is located 184 bytes inside of
 freed 328-byte region [ffff8880259fcfc0, ffff8880259fd108)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x259fc
head: order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff8880102a4140 0000000000000000 0000000000000001
raw: 0000000000000000 0000000080120012 00000001ffffffff 0000000000000000
head: 00fff00000000840 ffff8880102a4140 0000000000000000 0000000000000001
head: 0000000000000000 0000000080120012 00000001ffffffff 0000000000000000
head: 00fff00000000001 ffffea0000967f01 ffffea0000967f48 00000000ffffffff
head: 0000000200000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5371, tgid 36018720 (syz.6.24), ts 5379, free_ts 68730468131
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x283/0x300 mm/page_alloc.c:1534
 prep_new_page mm/page_alloc.c:1541 [inline]
 get_page_from_freelist+0x10cf/0x37e0 mm/page_alloc.c:3317
 __alloc_pages+0x1cf/0x4b0 mm/page_alloc.c:4575
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 alloc_pages_node include/linux/gfp.h:261 [inline]
 alloc_slab_page mm/slub.c:2180 [inline]
 allocate_slab+0xa3/0x340 mm/slub.c:2343
 new_slab mm/slub.c:2396 [inline]
 ___slab_alloc+0x75b/0x13a0 mm/slub.c:3530
 __slab_alloc.constprop.0+0x4d/0x90 mm/slub.c:3615
 __slab_alloc_node mm/slub.c:3668 [inline]
 slab_alloc_node mm/slub.c:3841 [inline]
 kmem_cache_alloc+0x366/0x3a0 mm/slub.c:3858
 kmem_cache_zalloc include/linux/slab.h:739 [inline]
 key_alloc+0x2ef/0x11c0 security/keys/key.c:277
 __key_create_or_update+0x5e8/0xb20 security/keys/key.c:929
 key_create_or_update+0xf/0x20 security/keys/key.c:1017
 __do_sys_add_key+0x1be/0x310 security/keys/keyctl.c:134
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x6f/0x1a0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1141 [inline]
 free_unref_page_prepare+0x5b0/0xc10 mm/page_alloc.c:2347
 free_unref_page+0x33/0x360 mm/page_alloc.c:2487
 rcu_do_batch kernel/rcu/tree.c:2196 [inline]
 rcu_core+0xb82/0x1520 kernel/rcu/tree.c:2471
 handle_softirqs+0x24e/0x660 kernel/softirq.c:554
 run_ksoftirqd kernel/softirq.c:928 [inline]
 run_ksoftirqd+0x2e/0x40 kernel/softirq.c:920
 smpboot_thread_fn+0x4fb/0x7b0 kernel/smpboot.c:164
 kthread+0x274/0x330 kernel/kthread.c:388
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff8880259fcf00: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc
 ffff8880259fcf80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
>ffff8880259fd000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                                ^
 ffff8880259fd080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880259fd100: fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================