Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. executing program [ 76.745450][ T52] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.753807][ T52] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.779055][ T52] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.787050][ T52] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.067915][ T5835] ubi0: attaching mtd0 [ 77.073782][ T5835] ubi0: scanning is finished [ 77.078541][ T5835] ubi0: empty MTD device detected [ 77.286512][ T5835] ubi0 error: ubi_attach_mtd_dev: cannot spawn "ubi_bgt0d", error -4 executing program [ 77.694175][ T5840] ubi0: attaching mtd0 [ 77.699635][ T5840] ubi0: scanning is finished [ 77.705094][ T5840] ================================================================== [ 77.713182][ T5840] BUG: KASAN: slab-use-after-free in notifier_chain_register+0x141/0x3f0 [ 77.721629][ T5840] Read of size 4 at addr ffff888079fb98d8 by task syz-executor352/5840 [ 77.729889][ T5840] [ 77.732250][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor352 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 77.732281][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 77.732299][ T5840] Call Trace: [ 77.732309][ T5840] [ 77.732319][ T5840] dump_stack_lvl+0x241/0x360 [ 77.732358][ T5840] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.732381][ T5840] ? __pfx__printk+0x10/0x10 [ 77.732415][ T5840] ? _printk+0xd5/0x120 [ 77.732446][ T5840] ? __virt_addr_valid+0x183/0x530 [ 77.732478][ T5840] ? __virt_addr_valid+0x183/0x530 [ 77.732510][ T5840] print_report+0x169/0x550 [ 77.732542][ T5840] ? __virt_addr_valid+0x183/0x530 [ 77.732572][ T5840] ? __virt_addr_valid+0x183/0x530 [ 77.732609][ T5840] ? __virt_addr_valid+0x45f/0x530 [ 77.732639][ T5840] ? __phys_addr+0xba/0x170 [ 77.732670][ T5840] ? notifier_chain_register+0x141/0x3f0 [ 77.732696][ T5840] kasan_report+0x143/0x180 [ 77.732729][ T5840] ? notifier_chain_register+0x141/0x3f0 [ 77.732758][ T5840] notifier_chain_register+0x141/0x3f0 [ 77.732788][ T5840] blocking_notifier_chain_register+0x61/0xc0 [ 77.732816][ T5840] ubi_wl_init+0x3396/0x3720 [ 77.732849][ T5840] ubi_attach+0x3e01/0x5b80 [ 77.732887][ T5840] ? __pfx_ubi_attach+0x10/0x10 [ 77.732914][ T5840] ? ubi_attach_mtd_dev+0x19fa/0x3540 [ 77.732941][ T5840] ubi_attach_mtd_dev+0x1a3a/0x3540 [ 77.732977][ T5840] ctrl_cdev_ioctl+0x346/0x570 [ 77.733005][ T5840] ? __pfx_ctrl_cdev_ioctl+0x10/0x10 [ 77.733035][ T5840] ? __pfx_ctrl_cdev_ioctl+0x10/0x10 [ 77.733063][ T5840] __se_sys_ioctl+0xf5/0x170 [ 77.733092][ T5840] do_syscall_64+0xf3/0x230 [ 77.733118][ T5840] ? clear_bhb_loop+0x35/0x90 [ 77.733150][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.733180][ T5840] RIP: 0033:0x7f57e4d008e9 [ 77.733202][ T5840] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 77.733220][ T5840] RSP: 002b:00007f57e4c6f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.733249][ T5840] RAX: ffffffffffffffda RBX: 00007f57e4d88128 RCX: 00007f57e4d008e9 [ 77.733265][ T5840] RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000005 [ 77.733279][ T5840] RBP: 00007f57e4d88120 R08: 0000000000000000 R09: 0000000000000000 [ 77.733294][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57e4d4f4d4 [ 77.733308][ T5840] R13: b635773f06ebbeee R14: 006c7274635f6962 R15: 6962752f7665642f [ 77.733331][ T5840] [ 77.733339][ T5840] [ 77.978193][ T5840] Allocated by task 5835: [ 77.982536][ T5840] kasan_save_track+0x3f/0x80 [ 77.987269][ T5840] __kasan_kmalloc+0x98/0xb0 [ 77.991883][ T5840] __kmalloc_cache_noprof+0x243/0x390 [ 77.997289][ T5840] ubi_attach_mtd_dev+0x552/0x3540 [ 78.002425][ T5840] ctrl_cdev_ioctl+0x346/0x570 [ 78.007214][ T5840] __se_sys_ioctl+0xf5/0x170 [ 78.011826][ T5840] do_syscall_64+0xf3/0x230 [ 78.016350][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.022266][ T5840] [ 78.024602][ T5840] Freed by task 5835: [ 78.028597][ T5840] kasan_save_track+0x3f/0x80 [ 78.033290][ T5840] kasan_save_free_info+0x40/0x50 [ 78.038319][ T5840] __kasan_slab_free+0x59/0x70 [ 78.043091][ T5840] kfree+0x196/0x430 [ 78.047001][ T5840] device_release+0x99/0x1c0 [ 78.051593][ T5840] kobject_put+0x22f/0x480 [ 78.056011][ T5840] ubi_attach_mtd_dev+0x8f5/0x3540 [ 78.061130][ T5840] ctrl_cdev_ioctl+0x346/0x570 [ 78.065916][ T5840] __se_sys_ioctl+0xf5/0x170 [ 78.070527][ T5840] do_syscall_64+0xf3/0x230 [ 78.075035][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.080935][ T5840] [ 78.083278][ T5840] The buggy address belongs to the object at ffff888079fb8000 [ 78.083278][ T5840] which belongs to the cache kmalloc-8k of size 8192 [ 78.097331][ T5840] The buggy address is located 6360 bytes inside of [ 78.097331][ T5840] freed 8192-byte region [ffff888079fb8000, ffff888079fba000) [ 78.111307][ T5840] [ 78.113632][ T5840] The buggy address belongs to the physical page: [ 78.120060][ T5840] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x79fb8 [ 78.128858][ T5840] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 78.137446][ T5840] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 78.144999][ T5840] page_type: f5(slab) [ 78.148987][ T5840] raw: 00fff00000000040 ffff88801ac42280 dead000000000122 0000000000000000 [ 78.157581][ T5840] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 78.166178][ T5840] head: 00fff00000000040 ffff88801ac42280 dead000000000122 0000000000000000 [ 78.174861][ T5840] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 78.183542][ T5840] head: 00fff00000000003 ffffea0001e7ee01 ffffffffffffffff 0000000000000000 [ 78.192222][ T5840] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 78.200895][ T5840] page dumped because: kasan: bad access detected [ 78.207318][ T5840] page_owner tracks the page as allocated [ 78.213032][ T5840] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5835, tgid 5832 (syz-executor352), ts 77067816939, free_ts 76742798438 [ 78.234658][ T5840] post_alloc_hook+0x1f4/0x240 [ 78.239436][ T5840] get_page_from_freelist+0x365c/0x37a0 [ 78.244994][ T5840] __alloc_frozen_pages_noprof+0x292/0x710 [ 78.250814][ T5840] alloc_pages_mpol+0x30e/0x550 [ 78.255674][ T5840] allocate_slab+0x8f/0x3a0 [ 78.260215][ T5840] ___slab_alloc+0xc27/0x14a0 [ 78.264895][ T5840] __slab_alloc+0x58/0xa0 [ 78.269228][ T5840] __kmalloc_cache_noprof+0x27b/0x390 [ 78.274602][ T5840] ubi_attach_mtd_dev+0x552/0x3540 [ 78.279723][ T5840] ctrl_cdev_ioctl+0x346/0x570 [ 78.284499][ T5840] __se_sys_ioctl+0xf5/0x170 [ 78.289101][ T5840] do_syscall_64+0xf3/0x230 [ 78.293606][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.299507][ T5840] page last free pid 5828 tgid 5828 stack trace: [ 78.305832][ T5840] free_frozen_pages+0xe0d/0x10e0 [ 78.310858][ T5840] __put_partials+0x160/0x1c0 [ 78.315544][ T5840] put_cpu_partial+0x17c/0x250 [ 78.320311][ T5840] __slab_free+0x290/0x380 [ 78.324731][ T5840] qlist_free_all+0x9a/0x140 [ 78.329331][ T5840] kasan_quarantine_reduce+0x14f/0x170 [ 78.334801][ T5840] __kasan_slab_alloc+0x23/0x80 [ 78.339673][ T5840] kmem_cache_alloc_node_noprof+0x1d9/0x380 [ 78.345568][ T5840] __alloc_skb+0x1c3/0x440 [ 78.349996][ T5840] netlink_ack+0x145/0xa50 [ 78.354421][ T5840] netlink_rcv_skb+0x262/0x430 [ 78.359200][ T5840] genl_rcv+0x28/0x40 [ 78.363186][ T5840] netlink_unicast+0x7f6/0x990 [ 78.367958][ T5840] netlink_sendmsg+0x8e4/0xcb0 [ 78.372811][ T5840] __sock_sendmsg+0x221/0x270 [ 78.377502][ T5840] __sys_sendto+0x363/0x4c0 [ 78.382027][ T5840] [ 78.384350][ T5840] Memory state around the buggy address: [ 78.389979][ T5840] ffff888079fb9780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 78.398060][ T5840] ffff888079fb9800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 78.406133][ T5840] >ffff888079fb9880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 78.414222][ T5840] ^ [ 78.421159][ T5840] ffff888079fb9900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 78.429251][ T5840] ffff888079fb9980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 78.437316][ T5840] ================================================================== [ 78.445696][ T5840] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 78.452919][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor352 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 78.463527][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.473606][ T5840] Call Trace: [ 78.476895][ T5840] [ 78.479834][ T5840] dump_stack_lvl+0x241/0x360 [ 78.484530][ T5840] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.489737][ T5840] ? __pfx__printk+0x10/0x10 [ 78.494341][ T5840] ? lock_release+0xbf/0xa30 [ 78.498945][ T5840] ? vscnprintf+0x5d/0x90 [ 78.503286][ T5840] panic+0x349/0x880 [ 78.507195][ T5840] ? check_panic_on_warn+0x21/0xb0 [ 78.512317][ T5840] ? __pfx_panic+0x10/0x10 [ 78.516747][ T5840] ? mark_lock+0x9a/0x360 [ 78.521092][ T5840] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 78.526998][ T5840] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 78.532905][ T5840] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 78.539286][ T5840] ? print_report+0x502/0x550 [ 78.543996][ T5840] check_panic_on_warn+0x86/0xb0 [ 78.548968][ T5840] ? notifier_chain_register+0x141/0x3f0 [ 78.554702][ T5840] end_report+0x77/0x160 [ 78.558958][ T5840] kasan_report+0x154/0x180 [ 78.563477][ T5840] ? notifier_chain_register+0x141/0x3f0 [ 78.569167][ T5840] notifier_chain_register+0x141/0x3f0 [ 78.574635][ T5840] blocking_notifier_chain_register+0x61/0xc0 [ 78.580720][ T5840] ubi_wl_init+0x3396/0x3720 [ 78.585338][ T5840] ubi_attach+0x3e01/0x5b80 [ 78.589868][ T5840] ? __pfx_ubi_attach+0x10/0x10 [ 78.594902][ T5840] ? ubi_attach_mtd_dev+0x19fa/0x3540 [ 78.600284][ T5840] ubi_attach_mtd_dev+0x1a3a/0x3540 [ 78.605497][ T5840] ctrl_cdev_ioctl+0x346/0x570 [ 78.610279][ T5840] ? __pfx_ctrl_cdev_ioctl+0x10/0x10 [ 78.615605][ T5840] ? __pfx_ctrl_cdev_ioctl+0x10/0x10 [ 78.620901][ T5840] __se_sys_ioctl+0xf5/0x170 [ 78.625510][ T5840] do_syscall_64+0xf3/0x230 [ 78.630021][ T5840] ? clear_bhb_loop+0x35/0x90 [ 78.634708][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.640611][ T5840] RIP: 0033:0x7f57e4d008e9 [ 78.645032][ T5840] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 78.664647][ T5840] RSP: 002b:00007f57e4c6f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.673073][ T5840] RAX: ffffffffffffffda RBX: 00007f57e4d88128 RCX: 00007f57e4d008e9 [ 78.681053][ T5840] RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000005 [ 78.689033][ T5840] RBP: 00007f57e4d88120 R08: 0000000000000000 R09: 0000000000000000 [ 78.697013][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57e4d4f4d4 [ 78.704993][ T5840] R13: b635773f06ebbeee R14: 006c7274635f6962 R15: 6962752f7665642f [ 78.712991][ T5840] [ 78.716411][ T5840] Kernel Offset: disabled [ 78.720775][ T5840] Rebooting in 86400 seconds..