lg-g15 0003:046D:C222.0389: hidraw0: USB HID v0.00 Device [HID 046d:c222] on usb-dummy_hcd.6-1/input0 ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0x2f/0x120 lib/list_debug.c:46 Read of size 8 at addr ffff888112f62f88 by task kworker/1:5/17358 CPU: 1 PID: 17358 Comm: kworker/1:5 Not tainted 5.15.167-syzkaller-android13-5.15.167_r00 #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: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 25306: 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 17358: 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 release_probes kernel/tracepoint.c:164 [inline] tracepoint_remove_func kernel/tracepoint.c:458 [inline] tracepoint_probe_unregister+0x82b/0x900 kernel/tracepoint.c:551 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:1954 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2880 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2451 bpf_link_put kernel/bpf/syscall.c:2477 [inline] bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2485 __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 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 The buggy address belongs to the object at ffff888112f62f80 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 8 bytes inside of 64-byte region [ffff888112f62f80, ffff888112f62fc0) The buggy address belongs to the page: page:ffffea00044bd880 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x112f62 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 ffffea00042ef800 0000000900000009 ffff888100042780 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 115, ts 5175865106, 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] kmem_cache_alloc_trace+0x142/0x210 mm/slub.c:3265 kmalloc include/linux/slab.h:603 [inline] kernfs_get_open_node fs/kernfs/file.c:552 [inline] kernfs_fop_open+0x7fa/0xab0 fs/kernfs/file.c:698 do_dentry_open+0x81c/0xfd0 fs/open.c:828 vfs_open+0x73/0x80 fs/open.c:958 do_open fs/namei.c:3608 [inline] path_openat+0x26f0/0x2f40 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13f/0x820 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1261 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258 page_owner free stack trace missing Memory state around the buggy address: ffff888112f62e80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888112f62f00: 00 00 00 00 00 00 00 02 fc fc fc fc fc fc fc fc >ffff888112f62f80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff888112f63000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888112f63080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== general protection fault, probably for non-canonical address 0xfa5bfc8540000879: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xd2e0042a000043c8-0xd2e0042a000043cf] CPU: 1 PID: 17358 Comm: kworker/1:5 Tainted: G B 5.15.167-syzkaller-android13-5.15.167_r00 #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 cc 90 48 ff 49 8b 17 4c 39 f2 75 RSP: 0018:ffffc90000bb7c00 EFLAGS: 00010a03 RAX: 1a5c008540000879 RBX: ffff888107dfd800 RCX: ffffffff826a1859 RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff888112f62f80 RBP: ffffc90000bb7c20 R08: ffffffff8141997b R09: 0000000000000003 R10: fffffbfff0e9a04c R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888112f62f80 R14: ffff888112f62f80 R15: d2e0042a000043ce FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2f7f04 CR3: 00000001246fc000 CR4: 00000000003506a0 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 f81b8a49070ec9d0 ]--- 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 90 48 ff 49 8b 17 4c 39 f2 75 RSP: 0018:ffffc90000bb7c00 EFLAGS: 00010a03 RAX: 1a5c008540000879 RBX: ffff888107dfd800 RCX: ffffffff826a1859 RDX: dead000000000122 RSI: 0000000000000282 RDI: ffff888112f62f80 RBP: ffffc90000bb7c20 R08: ffffffff8141997b R09: 0000000000000003 R10: fffffbfff0e9a04c R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888112f62f80 R14: ffff888112f62f80 R15: d2e0042a000043ce FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2f7f04 CR3: 00000001246fc000 CR4: 00000000003506a0 ---------------- 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 90 48 ff call 0xff489104 38: 49 8b 17 mov (%r15),%rdx 3b: 4c 39 f2 cmp %r14,%rdx 3e: 75 .byte 0x75