netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ================================================================== BUG: KASAN: invalid-access in hlist_add_head include/linux/list.h:1025 [inline] BUG: KASAN: invalid-access in binder_add_device+0x14/0x2c drivers/android/binder.c:6932 Write at addr f8f000000463ac08 by task syz-executor.0/3445 Pointer tag: [f8], memory tag: [f9] CPU: 0 UID: 0 PID: 3445 Comm: syz-executor.0 Not tainted 6.13.0-syzkaller-gebbb8be421ee #0 Hardware name: linux,dummy-virt (DT) Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x78/0x90 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x108/0x618 mm/kasan/report.c:489 kasan_report+0x88/0xac mm/kasan/report.c:602 report_tag_fault arch/arm64/mm/fault.c:332 [inline] do_tag_recovery arch/arm64/mm/fault.c:344 [inline] __do_kernel_fault+0x170/0x1c8 arch/arm64/mm/fault.c:386 do_bad_area arch/arm64/mm/fault.c:486 [inline] do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:843 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:919 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:432 el1h_64_sync_handler+0xa4/0x120 arch/arm64/kernel/entry-common.c:510 el1h_64_sync+0x6c/0x70 arch/arm64/kernel/entry.S:595 hlist_add_head include/linux/list.h:1025 [inline] (P) binder_add_device+0x14/0x2c drivers/android/binder.c:6932 (P) binderfs_fill_super+0x220/0x4f8 drivers/android/binderfs.c:729 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0x70/0xb8 fs/super.c:1299 binderfs_fs_context_get_tree+0x18/0x24 drivers/android/binderfs.c:749 vfs_get_tree+0x28/0xec fs/super.c:1814 do_new_mount fs/namespace.c:3560 [inline] path_mount+0x3f8/0xa7c fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount fs/namespace.c:4088 [inline] __arm64_sys_mount+0x1d4/0x2b4 fs/namespace.c:4088 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x30/0xe0 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at fff000000463ac00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 8 bytes inside of 160-byte region [fff000000463ac00, fff000000463aca0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4463a flags: 0x1ffc00000000000(node=0|zone=0|lastcpupid=0x7ff|kasantag=0x0) page_type: f5(slab) raw: 01ffc00000000000 fdf0000003001300 ffffc1ffc00ef300 dead000000000004 raw: 0000000000000000 0000000000150015 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: fff000000463aa00: f6 f6 f6 f6 f6 f6 f6 f6 f7 f7 f7 f7 f7 f7 f7 f7 fff000000463ab00: f7 f7 fe fe f3 f3 f3 f3 f3 f3 f3 f3 f3 f3 fe fe >fff000000463ac00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 fe fe fc fc fc fc ^ fff000000463ad00: fc fc fc fc fc fc fc fe f3 f3 f3 f3 f3 f3 f3 f3 fff000000463ae00: f3 f3 f3 fe f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 fe ==================================================================