==================================================================
BUG: KASAN: use-after-free in __list_del_entry_valid+0x2f/0x120 lib/list_debug.c:46
Read of size 8 at addr ffff8881227d2f88 by task kworker/0:25/11347
CPU: 0 PID: 11347 Comm: kworker/0:25 Not tainted 5.10.227-syzkaller-00554-g550d1177dc67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events binder_deferred_func
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
print_address_description+0x81/0x3b0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:435 [inline]
kasan_report+0x179/0x1c0 mm/kasan/report.c:452
__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:5126
binder_deferred_release drivers/android/binder.c:6278 [inline]
binder_deferred_func+0x1847/0x1bc0 drivers/android/binder.c:6313
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Allocated by task 11363:
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:430 [inline]
____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:509
__kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
kasan_kmalloc include/linux/kasan.h:254 [inline]
kmem_cache_alloc_trace+0x18a/0x2e0 mm/slub.c:2974
kmalloc include/linux/slab.h:552 [inline]
kzalloc include/linux/slab.h:664 [inline]
binder_request_freeze_notification drivers/android/binder.c:3867 [inline]
binder_thread_write+0x9ce/0x6c70 drivers/android/binder.c:4495
binder_ioctl_write_read+0x216/0x6a80 drivers/android/binder.c:5411
binder_ioctl+0x314/0x1e00 drivers/android/binder.c:5727
vfs_ioctl fs/ioctl.c:48 [inline]
__do_sys_ioctl fs/ioctl.c:753 [inline]
__se_sys_ioctl+0x114/0x190 fs/ioctl.c:739
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xcb
Freed by task 11347:
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+0x121/0x160 mm/kasan/common.c:362
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
kasan_slab_free include/linux/kasan.h:220 [inline]
slab_free_hook mm/slub.c:1595 [inline]
slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
slab_free mm/slub.c:3203 [inline]
kfree+0xc3/0x270 mm/slub.c:4191
binder_free_ref+0x128/0x260 drivers/android/binder.c:1453
binder_deferred_release drivers/android/binder.c:6273 [inline]
binder_deferred_func+0x171c/0x1bc0 drivers/android/binder.c:6313
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
The buggy address belongs to the object at ffff8881227d2f80
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 8 bytes inside of
64-byte region [ffff8881227d2f80, ffff8881227d2fc0)
The buggy address belongs to the page:
page:ffffea000489f480 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1227d2
flags: 0x4000000000000200(slab)
raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043800
raw: 0000000000000000 0000000000200020 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 5591, ts 201084712161, free_ts 201014930742
set_page_owner include/linux/page_owner.h:35 [inline]
post_alloc_hook mm/page_alloc.c:2456 [inline]
prep_new_page+0x166/0x180 mm/page_alloc.c:2462
get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
__alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
allocate_slab mm/slub.c:1808 [inline]
new_slab+0x80/0x400 mm/slub.c:1869
new_slab_objects mm/slub.c:2627 [inline]
___slab_alloc+0x302/0x4b0 mm/slub.c:2791
__slab_alloc+0x63/0xa0 mm/slub.c:2831
slab_alloc_node mm/slub.c:2913 [inline]
slab_alloc mm/slub.c:2955 [inline]
kmem_cache_alloc_trace+0x1bd/0x2e0 mm/slub.c:2972
kmalloc include/linux/slab.h:552 [inline]
call_modprobe kernel/kmod.c:79 [inline]
__request_module+0x28c/0x8d0 kernel/kmod.c:170
__rtnl_newlink net/core/rtnetlink.c:3430 [inline]
rtnl_newlink+0xab4/0x2000 net/core/rtnetlink.c:3527
rtnetlink_rcv_msg+0x955/0xc50 net/core/rtnetlink.c:5607
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2500
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5625
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1348
netlink_sendmsg+0xa46/0xd00 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:652 [inline]
__sock_sendmsg net/socket.c:664 [inline]
__sys_sendto+0x545/0x700 net/socket.c:2006
__do_sys_sendto net/socket.c:2018 [inline]
__se_sys_sendto net/socket.c:2014 [inline]
__x64_sys_sendto+0xe5/0x100 net/socket.c:2014
page last free stack trace:
reset_page_owner include/linux/page_owner.h:28 [inline]
free_pages_prepare mm/page_alloc.c:1349 [inline]
free_pcp_prepare mm/page_alloc.c:1421 [inline]
free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
free_unref_page mm/page_alloc.c:3391 [inline]
free_the_page+0x9e/0x370 mm/page_alloc.c:5407
__free_pages+0x67/0xc0 mm/page_alloc.c:5418
free_pages+0x7c/0x90 mm/page_alloc.c:5429
kasan_depopulate_vmalloc_pte+0x6a/0x90 mm/kasan/shadow.c:354
apply_to_pte_range mm/memory.c:2476 [inline]
apply_to_pmd_range mm/memory.c:2512 [inline]
apply_to_pud_range mm/memory.c:2540 [inline]
apply_to_p4d_range mm/memory.c:2568 [inline]
__apply_to_page_range+0x720/0x9e0 mm/memory.c:2595
apply_to_existing_page_range+0x38/0x50 mm/memory.c:2846
kasan_release_vmalloc+0x9a/0xb0 mm/kasan/shadow.c:464
__purge_vmap_area_lazy+0x150e/0x1620 mm/vmalloc.c:1376
_vm_unmap_aliases+0x334/0x3b0 mm/vmalloc.c:1773
vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:1796
change_page_attr_set_clr+0x308/0x1050 arch/x86/mm/pat/set_memory.c:1732
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline]
set_memory_ro+0xa1/0xe0 arch/x86/mm/pat/set_memory.c:1935
bpf_jit_binary_lock_ro include/linux/filter.h:842 [inline]
bpf_int_jit_compile+0x9829/0x9dc0 arch/x86/net/bpf_jit_comp.c:2130
bpf_prog_select_runtime+0x735/0x9c0 kernel/bpf/core.c:1872
bpf_prog_load kernel/bpf/syscall.c:2243 [inline]
__do_sys_bpf kernel/bpf/syscall.c:4435 [inline]
__se_sys_bpf+0x1080e/0x11cb0 kernel/bpf/syscall.c:4391
Memory state around the buggy address:
ffff8881227d2e80: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
ffff8881227d2f00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
>ffff8881227d2f80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
^
ffff8881227d3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8881227d3080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
general protection fault, probably for non-canonical address 0xf1bffc670000058a: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x8e00033800002c50-0x8e00033800002c57]
CPU: 0 PID: 11347 Comm: kworker/0:25 Tainted: G B 5.10.227-syzkaller-00554-g550d1177dc67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 ac 90 51 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90001457c20 EFLAGS: 00010a02
RAX: 11c000670000058a RBX: ffff88810878d600 RCX: ffffffff8256c799
RDX: dead000000000122 RSI: 0000000000000286 RDI: ffff8881227d2f80
RBP: ffffc90001457c40 R08: ffffffff813e2a3b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881227d2f80 R14: ffff8881227d2f80 R15: 8e00033800002c53
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000660f000 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:5126
binder_deferred_release drivers/android/binder.c:6278 [inline]
binder_deferred_func+0x1847/0x1bc0 drivers/android/binder.c:6313
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace baa8a0f706f47164 ]---
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 ac 90 51 ff 49 8b 17 4c 39 f2 75
RSP: 0018:ffffc90001457c20 EFLAGS: 00010a02
RAX: 11c000670000058a RBX: ffff88810878d600 RCX: ffffffff8256c799
RDX: dead000000000122 RSI: 0000000000000286 RDI: ffff8881227d2f80
RBP: ffffc90001457c40 R08: ffffffff813e2a3b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881227d2f80 R14: ffff8881227d2f80 R15: 8e00033800002c53
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000660f000 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 ac 90 51 ff call 0xff5190e4
38: 49 8b 17 mov (%r15),%rdx
3b: 4c 39 f2 cmp %r14,%rdx
3e: 75 .byte 0x75