usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: syz
usb 1-1: Manufacturer: syz
usb 1-1: SerialNumber: syz
usb 1-1: USB disconnect, device number 11
==================================================================
BUG: KASAN: use-after-free in __list_del_entry_valid+0x2f/0x120 lib/list_debug.c:46
Read of size 8 at addr ffff88811fe3a788 by task kworker/0:0/6

CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events binder_deferred_func
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 __list_del_entry_valid+0x2f/0x120 lib/list_debug.c:46
 __list_del_entry include/linux/list.h:132 [inline]
 list_del_init include/linux/list.h:204 [inline]
 binder_dequeue_work_head_ilocked drivers/android/binder.c:515 [inline]
 binder_release_work+0xcd/0x680 drivers/android/binder.c:5183
 binder_deferred_release drivers/android/binder.c:6339 [inline]
 binder_deferred_func+0x1847/0x1bc0 drivers/android/binder.c:6374
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Allocated by task 4237:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 kmem_cache_alloc_trace+0x115/0x210 mm/slub.c:3267
 kmalloc include/linux/slab.h:603 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 binder_request_freeze_notification drivers/android/binder.c:3895 [inline]
 binder_thread_write+0x9f5/0x6ec0 drivers/android/binder.c:4535
 binder_ioctl_write_read+0x205/0x7300 drivers/android/binder.c:5470
 binder_ioctl+0x371/0x2640 drivers/android/binder.c:5787
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 6:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kfree+0xc8/0x220 mm/slub.c:4579
 binder_free_ref+0x128/0x260 drivers/android/binder.c:1465
 binder_deferred_release drivers/android/binder.c:6334 [inline]
 binder_deferred_func+0x171c/0x1bc0 drivers/android/binder.c:6374
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x123/0x10b0 kernel/rcu/tree.c:3125
 tnode_free net/ipv4/fib_trie.c:495 [inline]
 replace+0x19b/0x4b0 net/ipv4/fib_trie.c:521
 inflate net/ipv4/fib_trie.c:623 [inline]
 resize+0xbaf/0x1d60 net/ipv4/fib_trie.c:868
 trie_rebalance net/ipv4/fib_trie.c:1101 [inline]
 fib_insert_node net/ipv4/fib_trie.c:1145 [inline]
 fib_insert_alias+0xb20/0x1060 net/ipv4/fib_trie.c:1159
 fib_table_insert+0xa2c/0x20c0 net/ipv4/fib_trie.c:1372
 fib_magic net/ipv4/fib_frontend.c:1093 [inline]
 fib_add_ifaddr+0x43f/0x15e0 net/ipv4/fib_frontend.c:1115
 fib_inetaddr_event+0x159/0x310 net/ipv4/fib_frontend.c:1429
 notifier_call_chain kernel/notifier.c:83 [inline]
 blocking_notifier_call_chain+0xbb/0x140 kernel/notifier.c:318
 __inet_insert_ifa+0x906/0xb50 net/ipv4/devinet.c:554
 inet_rtm_newaddr+0x8fd/0x16e0 net/ipv4/devinet.c:953
 rtnetlink_rcv_msg+0x951/0xc40 net/core/rtnetlink.c:5647
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5665
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa0a/0xd20 net/netlink/af_netlink.c:1924
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x564/0x720 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2071
 x64_sys_call+0x15c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88811fe3a780
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 8 bytes inside of
 64-byte region [ffff88811fe3a780, ffff88811fe3a7c0)
The buggy address belongs to the page:
page:ffffea00047f8e80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11fe3a
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 0000001300000001 ffff888100042780
raw: 0000000000000000 0000000080200020 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 3595, ts 86026697179, free_ts 86007432816
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5779
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0x9a/0x4e0 mm/slub.c:1995
 ___slab_alloc+0x39e/0x830 mm/slub.c:3028
 __slab_alloc+0x4a/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 __kmalloc+0x16d/0x270 mm/slub.c:4423
 __kmalloc_node include/linux/slab.h:469 [inline]
 kmalloc_node include/linux/slab.h:626 [inline]
 kvmalloc_node+0x1f0/0x4d0 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 simple_xattr_alloc+0x43/0xa0 fs/xattr.c:987
 shmem_initxattrs+0x8d/0x200 mm/shmem.c:3188
 security_inode_init_security+0x252/0x390 security/security.c:1115
 shmem_symlink+0x144/0x5f0 mm/shmem.c:3092
 vfs_symlink+0x29f/0x480 fs/namei.c:4429
 do_symlinkat+0x1ea/0x5a0 fs/namei.c:4458
 __do_sys_symlinkat fs/namei.c:4475 [inline]
 __se_sys_symlinkat fs/namei.c:4472 [inline]
 __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4472
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5855
 free_pages+0x7c/0x90 mm/page_alloc.c:5866
 tlb_batch_list_free mm/mmu_gather.c:61 [inline]
 tlb_finish_mmu+0x253/0x320 mm/mmu_gather.c:341
 exit_mmap+0x40d/0x940 mm/mmap.c:3218
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2907
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86

Memory state around the buggy address:
 ffff88811fe3a680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88811fe3a700: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88811fe3a780: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
                      ^
 ffff88811fe3a800: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88811fe3a880: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================
general protection fault, probably for non-canonical address 0xffd7fc5340000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xfec0029a00000000-0xfec0029a00000007]
CPU: 0 PID: 6 Comm: kworker/0:0 Tainted: G    B             5.15.168-syzkaller-00719-g101e665d55a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events binder_deferred_func
RIP: 0010:__list_del_entry_valid+0x75/0x120 lib/list_debug.c:59
Code: 1e 48 85 db 74 68 4d 85 ff 74 74 48 ba 00 01 00 00 00 00 ad de 48 39 d3 74 76 48 83 c2 22 49 39 d7 74 7e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 7c 7d 48 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90000067c00 EFLAGS: 00010a07
RAX: 1fd8005340000000 RBX: ffff888114262e00 RCX: ffffffff826a3f79
RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff88811fe3a780
RBP: ffffc90000067c20 R08: ffffffff8141a3db R09: 0000000000000003
R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811fe3a780 R14: ffff88811fe3a780 R15: fec0029a00000006
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ea1bff8 CR3: 000000012594d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:132 [inline]
 list_del_init include/linux/list.h:204 [inline]
 binder_dequeue_work_head_ilocked drivers/android/binder.c:515 [inline]
 binder_release_work+0xcd/0x680 drivers/android/binder.c:5183
 binder_deferred_release drivers/android/binder.c:6339 [inline]
 binder_deferred_func+0x1847/0x1bc0 drivers/android/binder.c:6374
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 09f98d372aea2765 ]---
RIP: 0010:__list_del_entry_valid+0x75/0x120 lib/list_debug.c:59
Code: 1e 48 85 db 74 68 4d 85 ff 74 74 48 ba 00 01 00 00 00 00 ad de 48 39 d3 74 76 48 83 c2 22 49 39 d7 74 7e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 7c 7d 48 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90000067c00 EFLAGS: 00010a07
RAX: 1fd8005340000000 RBX: ffff888114262e00 RCX: ffffffff826a3f79
RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff88811fe3a780
RBP: ffffc90000067c20 R08: ffffffff8141a3db R09: 0000000000000003
R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811fe3a780 R14: ffff88811fe3a780 R15: fec0029a00000006
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ea1bff8 CR3: 000000012594d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	48 85 db             	test   %rbx,%rbx
   3:	74 68                	je     0x6d
   5:	4d 85 ff             	test   %r15,%r15
   8:	74 74                	je     0x7e
   a:	48 ba 00 01 00 00 00 	movabs $0xdead000000000100,%rdx
  11:	00 ad de
  14:	48 39 d3             	cmp    %rdx,%rbx
  17:	74 76                	je     0x8f
  19:	48 83 c2 22          	add    $0x22,%rdx
  1d:	49 39 d7             	cmp    %rdx,%r15
  20:	74 7e                	je     0xa0
  22:	4c 89 f8             	mov    %r15,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ff             	mov    %r15,%rdi
  33:	e8 7c 7d 48 ff       	call   0xff487db4
  38:	49 8b 17             	mov    (%r15),%rdx
  3b:	4c 39 f2             	cmp    %r14,%rdx
  3e:	75                   	.byte 0x75