Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts. [ 87.952822][ T4584] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.962130][ T4584] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.995308][ T1165] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.009217][ T1165] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.047636][ T1165] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.055500][ T1165] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.083755][ T4584] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.092182][ T4584] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.121811][ T1165] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.129991][ T4584] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.134288][ T1165] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.145868][ T4584] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 88.183885][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.209413][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program [ 88.260696][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.279032][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 88.371899][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.386198][ T4584] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.399466][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.409386][ T4584] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.459441][ T5842] ================================================================== [ 88.467553][ T5842] BUG: KASAN: slab-use-after-free in binder_add_device+0x6b/0xb0 [ 88.475326][ T5842] Write of size 8 at addr ffff88807c490c08 by task syz-executor353/5842 [ 88.483677][ T5842] [ 88.486044][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor353 Not tainted 6.15.0-rc7-next-20250523-syzkaller #0 PREEMPT(full) [ 88.486071][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 88.486091][ T5842] Call Trace: [ 88.486100][ T5842] [ 88.486108][ T5842] dump_stack_lvl+0x189/0x250 [ 88.486131][ T5842] ? __virt_addr_valid+0x1c8/0x5c0 [ 88.486154][ T5842] ? rcu_is_watching+0x15/0xb0 [ 88.486171][ T5842] ? __kasan_check_byte+0x12/0x40 [ 88.486197][ T5842] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.486215][ T5842] ? rcu_is_watching+0x15/0xb0 [ 88.486233][ T5842] ? lock_release+0x4b/0x3e0 [ 88.486263][ T5842] ? __virt_addr_valid+0x1c8/0x5c0 [ 88.486284][ T5842] ? __virt_addr_valid+0x4a5/0x5c0 [ 88.486304][ T5842] print_report+0xd2/0x2b0 [ 88.486331][ T5842] ? binder_add_device+0x6b/0xb0 [ 88.486349][ T5842] kasan_report+0x118/0x150 [ 88.486372][ T5842] ? binder_add_device+0x6b/0xb0 [ 88.486394][ T5842] binder_add_device+0x6b/0xb0 [ 88.486413][ T5842] binderfs_binder_device_create+0x9e7/0xc40 [ 88.486452][ T5842] ? __pfx_binderfs_binder_device_create+0x10/0x10 [ 88.486487][ T5842] ? do_raw_spin_unlock+0x122/0x240 [ 88.486515][ T5842] binderfs_fill_super+0xa0e/0xe90 [ 88.486551][ T5842] ? __pfx_binderfs_fill_super+0x10/0x10 [ 88.486594][ T5842] ? shrinker_register+0x16b/0x230 [ 88.486622][ T5842] ? sget_fc+0x962/0xa40 [ 88.486652][ T5842] ? __pfx_set_anon_super_fc+0x10/0x10 [ 88.486683][ T5842] ? __pfx_binderfs_fill_super+0x10/0x10 [ 88.486715][ T5842] get_tree_nodev+0xbb/0x150 [ 88.486749][ T5842] vfs_get_tree+0x92/0x2b0 [ 88.486771][ T5842] do_new_mount+0x24a/0xa40 [ 88.486797][ T5842] __se_sys_mount+0x317/0x410 [ 88.486824][ T5842] ? __pfx___se_sys_mount+0x10/0x10 [ 88.486846][ T5842] ? rcu_is_watching+0x15/0xb0 [ 88.486867][ T5842] ? do_syscall_64+0xbe/0x3b0 [ 88.486898][ T5842] ? __x64_sys_mount+0x20/0xc0 [ 88.486922][ T5842] do_syscall_64+0xfa/0x3b0 [ 88.486946][ T5842] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.486969][ T5842] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.486989][ T5842] ? clear_bhb_loop+0x60/0xb0 [ 88.487012][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.487041][ T5842] RIP: 0033:0x7fde35b2b93a [ 88.487073][ T5842] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 9e 06 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.487091][ T5842] RSP: 002b:00007ffe02f84878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.487113][ T5842] RAX: ffffffffffffffda RBX: 00007fde35b76038 RCX: 00007fde35b2b93a [ 88.487128][ T5842] RDX: 00007fde35b761db RSI: 00007fde35b76038 RDI: 00007fde35b761db [ 88.487143][ T5842] RBP: 00007fde35b761ab R08: 0000000000000000 R09: 0000000000000000 [ 88.487156][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde35b76113 [ 88.487169][ T5842] R13: 0000000000000003 R14: 00007fde35bad160 R15: 00007ffe02f848ba [ 88.487192][ T5842] [ 88.487200][ T5842] [ 88.773362][ T5842] Allocated by task 5840: [ 88.777697][ T5842] kasan_save_track+0x3e/0x80 [ 88.782392][ T5842] __kasan_kmalloc+0x93/0xb0 [ 88.786996][ T5842] __kmalloc_cache_noprof+0x230/0x3d0 [ 88.792386][ T5842] binderfs_binder_device_create+0x1eb/0xc40 [ 88.798465][ T5842] binderfs_fill_super+0xa0e/0xe90 [ 88.803608][ T5842] get_tree_nodev+0xbb/0x150 [ 88.808216][ T5842] vfs_get_tree+0x92/0x2b0 [ 88.812634][ T5842] do_new_mount+0x24a/0xa40 [ 88.817135][ T5842] __se_sys_mount+0x317/0x410 [ 88.821815][ T5842] do_syscall_64+0xfa/0x3b0 [ 88.826319][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.832214][ T5842] [ 88.834530][ T5842] Freed by task 10: [ 88.838328][ T5842] kasan_save_track+0x3e/0x80 [ 88.843010][ T5842] kasan_save_free_info+0x46/0x50 [ 88.848036][ T5842] __kasan_slab_free+0x62/0x70 [ 88.852803][ T5842] kfree+0x18e/0x440 [ 88.856698][ T5842] binder_proc_dec_tmpref+0x228/0x4f0 [ 88.862074][ T5842] binder_deferred_func+0x13a5/0x1520 [ 88.867446][ T5842] process_scheduled_works+0xade/0x17b0 [ 88.872999][ T5842] worker_thread+0x8a0/0xda0 [ 88.877688][ T5842] kthread+0x711/0x8a0 [ 88.881766][ T5842] ret_from_fork+0x3fc/0x770 [ 88.886356][ T5842] ret_from_fork_asm+0x1a/0x30 [ 88.891117][ T5842] [ 88.893442][ T5842] The buggy address belongs to the object at ffff88807c490c00 [ 88.893442][ T5842] which belongs to the cache kmalloc-512 of size 512 [ 88.907492][ T5842] The buggy address is located 8 bytes inside of [ 88.907492][ T5842] freed 512-byte region [ffff88807c490c00, ffff88807c490e00) [ 88.921113][ T5842] [ 88.923435][ T5842] The buggy address belongs to the physical page: [ 88.929842][ T5842] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807c493c00 pfn:0x7c490 [ 88.939932][ T5842] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 88.948438][ T5842] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 88.956419][ T5842] page_type: f5(slab) [ 88.960394][ T5842] raw: 00fff00000000040 ffff88801a441c80 0000000000000000 0000000000000001 [ 88.969066][ T5842] raw: ffff88807c493c00 000000000010000e 00000000f5000000 0000000000000000 [ 88.977646][ T5842] head: 00fff00000000040 ffff88801a441c80 0000000000000000 0000000000000001 [ 88.986313][ T5842] head: ffff88807c493c00 000000000010000e 00000000f5000000 0000000000000000 [ 88.995005][ T5842] head: 00fff00000000002 ffffea0001f12401 00000000ffffffff 00000000ffffffff [ 89.003671][ T5842] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 89.012337][ T5842] page dumped because: kasan: bad access detected [ 89.018751][ T5842] page_owner tracks the page as allocated [ 89.024470][ T5842] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5501, tgid 5501 (dhcpcd), ts 54294551314, free_ts 54049120956 [ 89.044522][ T5842] post_alloc_hook+0x240/0x2a0 [ 89.049288][ T5842] get_page_from_freelist+0x21e4/0x22c0 [ 89.054833][ T5842] __alloc_frozen_pages_noprof+0x181/0x370 [ 89.060637][ T5842] alloc_pages_mpol+0x232/0x4a0 [ 89.065494][ T5842] allocate_slab+0x8a/0x3b0 [ 89.069994][ T5842] ___slab_alloc+0xbfc/0x1480 [ 89.074667][ T5842] __kmalloc_noprof+0x305/0x4f0 [ 89.079510][ T5842] tomoyo_init_log+0x1a6e/0x1f70 [ 89.084438][ T5842] tomoyo_supervisor+0x340/0x1480 [ 89.089469][ T5842] tomoyo_path_permission+0x25a/0x380 [ 89.094839][ T5842] tomoyo_path_perm+0x392/0x4b0 [ 89.099693][ T5842] security_inode_getattr+0x12f/0x330 [ 89.105058][ T5842] vfs_statx+0x18e/0x550 [ 89.109297][ T5842] vfs_fstatat+0x118/0x170 [ 89.113706][ T5842] __x64_sys_newfstatat+0x116/0x190 [ 89.118900][ T5842] do_syscall_64+0xfa/0x3b0 [ 89.123397][ T5842] page last free pid 5495 tgid 5495 stack trace: [ 89.129710][ T5842] __free_frozen_pages+0xc71/0xe70 [ 89.134820][ T5842] stack_depot_save_flags+0x445/0x900 [ 89.140190][ T5842] kasan_save_track+0x4f/0x80 [ 89.144865][ T5842] __kasan_slab_alloc+0x6c/0x80 [ 89.149705][ T5842] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 89.155155][ T5842] sk_prot_alloc+0x57/0x220 [ 89.159671][ T5842] sk_alloc+0x3a/0x370 [ 89.163736][ T5842] inet_create+0x76b/0x1000 [ 89.168252][ T5842] __sock_create+0x4b3/0x9f0 [ 89.172842][ T5842] __sys_socket+0xd7/0x1b0 [ 89.177254][ T5842] __x64_sys_socket+0x7a/0x90 [ 89.181936][ T5842] do_syscall_64+0xfa/0x3b0 [ 89.186445][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.192330][ T5842] [ 89.194644][ T5842] Memory state around the buggy address: [ 89.200267][ T5842] ffff88807c490b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 89.208335][ T5842] ffff88807c490b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 89.216393][ T5842] >ffff88807c490c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.224447][ T5842] ^ [ 89.228768][ T5842] ffff88807c490c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.236840][ T5842] ffff88807c490d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.244905][ T5842] ================================================================== [ 89.254476][ T5842] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 89.261690][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor353 Not tainted 6.15.0-rc7-next-20250523-syzkaller #0 PREEMPT(full) [ 89.273567][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 89.283613][ T5842] Call Trace: [ 89.286904][ T5842] [ 89.289843][ T5842] dump_stack_lvl+0x99/0x250 [ 89.294427][ T5842] ? __asan_memcpy+0x40/0x70 [ 89.299020][ T5842] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.304221][ T5842] ? __pfx__printk+0x10/0x10 [ 89.308814][ T5842] panic+0x2db/0x790 [ 89.312726][ T5842] ? __pfx_panic+0x10/0x10 [ 89.317166][ T5842] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 89.323062][ T5842] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 89.328966][ T5842] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 89.335289][ T5842] ? print_memory_metadata+0x314/0x400 [ 89.340754][ T5842] ? binder_add_device+0x6b/0xb0 [ 89.345690][ T5842] check_panic_on_warn+0x89/0xb0 [ 89.350630][ T5842] ? binder_add_device+0x6b/0xb0 [ 89.355561][ T5842] end_report+0x78/0x160 [ 89.359797][ T5842] kasan_report+0x129/0x150 [ 89.364301][ T5842] ? binder_add_device+0x6b/0xb0 [ 89.369237][ T5842] binder_add_device+0x6b/0xb0 [ 89.373994][ T5842] binderfs_binder_device_create+0x9e7/0xc40 [ 89.379985][ T5842] ? __pfx_binderfs_binder_device_create+0x10/0x10 [ 89.386489][ T5842] ? do_raw_spin_unlock+0x122/0x240 [ 89.391690][ T5842] binderfs_fill_super+0xa0e/0xe90 [ 89.396810][ T5842] ? __pfx_binderfs_fill_super+0x10/0x10 [ 89.402459][ T5842] ? shrinker_register+0x16b/0x230 [ 89.407573][ T5842] ? sget_fc+0x962/0xa40 [ 89.411822][ T5842] ? __pfx_set_anon_super_fc+0x10/0x10 [ 89.417288][ T5842] ? __pfx_binderfs_fill_super+0x10/0x10 [ 89.422974][ T5842] get_tree_nodev+0xbb/0x150 [ 89.427571][ T5842] vfs_get_tree+0x92/0x2b0 [ 89.431988][ T5842] do_new_mount+0x24a/0xa40 [ 89.436496][ T5842] __se_sys_mount+0x317/0x410 [ 89.441180][ T5842] ? __pfx___se_sys_mount+0x10/0x10 [ 89.446376][ T5842] ? rcu_is_watching+0x15/0xb0 [ 89.451149][ T5842] ? do_syscall_64+0xbe/0x3b0 [ 89.455824][ T5842] ? __x64_sys_mount+0x20/0xc0 [ 89.460585][ T5842] do_syscall_64+0xfa/0x3b0 [ 89.465086][ T5842] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.470277][ T5842] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.476336][ T5842] ? clear_bhb_loop+0x60/0xb0 [ 89.481016][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.486902][ T5842] RIP: 0033:0x7fde35b2b93a [ 89.491315][ T5842] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 9e 06 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 89.510907][ T5842] RSP: 002b:00007ffe02f84878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.519316][ T5842] RAX: ffffffffffffffda RBX: 00007fde35b76038 RCX: 00007fde35b2b93a [ 89.527286][ T5842] RDX: 00007fde35b761db RSI: 00007fde35b76038 RDI: 00007fde35b761db [ 89.535255][ T5842] RBP: 00007fde35b761ab R08: 0000000000000000 R09: 0000000000000000 [ 89.543218][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde35b76113 [ 89.551184][ T5842] R13: 0000000000000003 R14: 00007fde35bad160 R15: 00007ffe02f848ba [ 89.559256][ T5842] [ 89.562632][ T5842] Kernel Offset: disabled [ 89.566964][ T5842] Rebooting in 86400 seconds..