==================================================================
BUG: KASAN: use-after-free in __list_del_entry_valid+0x2f/0x120 lib/list_debug.c:46
Read of size 8 at addr ffff888127ad1488 by task kworker/0:3/375
CPU: 0 PID: 375 Comm: kworker/0:3 Tainted: G W 5.15.167-syzkaller-00348-g2e66050fb753 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events binder_deferred_func
Call Trace:
__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
Allocated by task 6336:
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 375:
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
insert_work+0x56/0x320 kernel/workqueue.c:1373
__queue_work+0x92a/0xcd0 kernel/workqueue.c:1539
queue_work_on+0x105/0x170 kernel/workqueue.c:1566
queue_work include/linux/workqueue.h:510 [inline]
schedule_work include/linux/workqueue.h:571 [inline]
nfc_genl_rcv_nl_event+0x199/0x220 net/nfc/netlink.c:1867
notifier_call_chain kernel/notifier.c:83 [inline]
blocking_notifier_call_chain+0xbb/0x140 kernel/notifier.c:318
netlink_release+0xf74/0x16f0 net/netlink/af_netlink.c:792
__sock_release net/socket.c:649 [inline]
sock_close+0xdf/0x270 net/socket.c:1336
__fput+0x228/0x8c0 fs/file_table.c:280
____fput+0x15/0x20 fs/file_table.c:308
task_work_run+0x129/0x190 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
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
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Second to 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
free_htab_elem+0x187/0x250 kernel/bpf/hashtab.c:878
htab_map_update_elem+0x5f3/0x9c0 kernel/bpf/hashtab.c:1118
bpf_map_update_value+0x224/0x3c0 kernel/bpf/syscall.c:223
generic_map_update_batch+0x53d/0x860 kernel/bpf/syscall.c:1401
bpf_map_do_batch+0x4c3/0x620
__sys_bpf+0x5dc/0x760
__do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
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 ffff888127ad1480
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 8 bytes inside of
64-byte region [ffff888127ad1480, ffff888127ad14c0)
The buggy address belongs to the page:
page:ffffea00049eb440 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x127ad1
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea0004a07e80 0000000900000009 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 0x112a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 372, ts 24393214533, free_ts 0
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]
bpf_map_kmalloc_node+0xdb/0x160 kernel/bpf/syscall.c:432
alloc_htab_elem+0x28a/0x900 kernel/bpf/hashtab.c:970
htab_map_update_elem+0x382/0x9c0 kernel/bpf/hashtab.c:1103
bpf_map_update_value+0x224/0x3c0 kernel/bpf/syscall.c:223
generic_map_update_batch+0x53d/0x860 kernel/bpf/syscall.c:1401
bpf_map_do_batch+0x4c3/0x620
__sys_bpf+0x5dc/0x760
__do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
page_owner free stack trace missing
Memory state around the buggy address:
ffff888127ad1380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888127ad1400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888127ad1480: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
^
ffff888127ad1500: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888127ad1580: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================
general protection fault, probably for non-canonical address 0xf3a7fc5fe000002e: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x9d4002ff00000170-0x9d4002ff00000177]
CPU: 0 PID: 375 Comm: kworker/0:3 Tainted: G B W 5.15.167-syzkaller-00348-g2e66050fb753 #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 cc 83 48 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90000b37c00 EFLAGS: 00010a07
RAX: 13a8005fe000002e RBX: ffff8881100bd100 RCX: ffffffff826a2c49
RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff888127ad1480
RBP: ffffc90000b37c20 R08: ffffffff8141991b R09: 0000000000000003
R10: fffffbfff0e9a64c R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888127ad1480 R14: ffff888127ad1480 R15: 9d4002ff00000177
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ea477 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__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
Modules linked in:
---[ end trace 68898ce745ac48a5 ]---
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 cc 83 48 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90000b37c00 EFLAGS: 00010a07
RAX: 13a8005fe000002e RBX: ffff8881100bd100 RCX: ffffffff826a2c49
RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff888127ad1480
RBP: ffffc90000b37c20 R08: ffffffff8141991b R09: 0000000000000003
R10: fffffbfff0e9a64c R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888127ad1480 R14: ffff888127ad1480 R15: 9d4002ff00000177
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ea477 CR3: 0000000006a0f000 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 cc 83 48 ff call 0xff488404
38: 49 8b 17 mov (%r15),%rdx
3b: 4c 39 f2 cmp %r14,%rdx
3e: 75 .byte 0x75