Warning: Permanently added '10.128.1.181' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 89.884675][ T9116] ================================================================== [ 89.892828][ T9116] BUG: KASAN: slab-use-after-free in dvb_device_open+0x36a/0x3b0 [ 89.900598][ T9116] Read of size 8 at addr ffff8881476baa18 by task syz-executor353/9116 [ 89.908844][ T9116] [ 89.911187][ T9116] CPU: 1 UID: 0 PID: 9116 Comm: syz-executor353 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0 [ 89.922312][ T9116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 89.932392][ T9116] Call Trace: [ 89.935676][ T9116] [ 89.938610][ T9116] dump_stack_lvl+0x116/0x1f0 [ 89.943318][ T9116] print_report+0xc3/0x620 [ 89.947769][ T9116] ? __virt_addr_valid+0x5e/0x590 [ 89.952825][ T9116] ? __phys_addr+0xc6/0x150 [ 89.957387][ T9116] kasan_report+0xd9/0x110 [ 89.961836][ T9116] ? dvb_device_open+0x36a/0x3b0 [ 89.966799][ T9116] ? dvb_device_open+0x36a/0x3b0 [ 89.971775][ T9116] ? __pfx_dvb_device_open+0x10/0x10 [ 89.977090][ T9116] dvb_device_open+0x36a/0x3b0 [ 89.981875][ T9116] ? __pfx_dvb_device_open+0x10/0x10 [ 89.987179][ T9116] chrdev_open+0x237/0x6a0 [ 89.991630][ T9116] ? __pfx_apparmor_file_open+0x10/0x10 [ 89.997188][ T9116] ? __pfx_chrdev_open+0x10/0x10 [ 90.002186][ T9116] do_dentry_open+0xf59/0x1ea0 [ 90.006978][ T9116] ? __pfx_chrdev_open+0x10/0x10 [ 90.011939][ T9116] ? inode_permission+0xdd/0x5f0 [ 90.016903][ T9116] vfs_open+0x82/0x3f0 [ 90.020996][ T9116] ? may_open+0x1f2/0x400 [ 90.025335][ T9116] path_openat+0x1e6a/0x2d60 [ 90.029957][ T9116] ? __pfx_path_openat+0x10/0x10 [ 90.034915][ T9116] ? __pfx___lock_acquire+0x10/0x10 [ 90.040144][ T9116] ? lock_acquire.part.0+0x11b/0x380 [ 90.045443][ T9116] ? find_held_lock+0x2d/0x110 [ 90.050239][ T9116] do_filp_open+0x20c/0x470 [ 90.054779][ T9116] ? __pfx_do_filp_open+0x10/0x10 [ 90.059822][ T9116] ? find_held_lock+0x2d/0x110 [ 90.064617][ T9116] ? alloc_fd+0x41f/0x760 [ 90.068966][ T9116] do_sys_openat2+0x17a/0x1e0 [ 90.073680][ T9116] ? __pfx_do_sys_openat2+0x10/0x10 [ 90.078910][ T9116] ? do_user_addr_fault+0xe50/0x13f0 [ 90.084221][ T9116] ? __pfx_lock_release+0x10/0x10 [ 90.089262][ T9116] __x64_sys_openat+0x175/0x210 [ 90.094153][ T9116] ? __pfx___x64_sys_openat+0x10/0x10 [ 90.099552][ T9116] ? do_user_addr_fault+0x83d/0x13f0 [ 90.104851][ T9116] do_syscall_64+0xcd/0x250 [ 90.109376][ T9116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.115289][ T9116] RIP: 0033:0x7fbafad2db29 executing program [ 90.119916][ T9116] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 90.139549][ T9116] RSP: 002b:00007fff3ae8be88 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 90.147988][ T9116] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbafad2db29 [ 90.155977][ T9116] RDX: 0000000000000001 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 90.163956][ T9116] RBP: 00000000000f4240 R08: 0000000000008000 R09: 0000000000008000 [ 90.171936][ T9116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000015edd [ 90.179917][ T9116] R13: 00007fff3ae8beac R14: 00007fff3ae8bec0 R15: 00007fff3ae8beb0 [ 90.187917][ T9116] [ 90.190950][ T9116] [ 90.193276][ T9116] Allocated by task 1: [ 90.197357][ T9116] kasan_save_stack+0x33/0x60 [ 90.202065][ T9116] kasan_save_track+0x14/0x30 [ 90.206762][ T9116] __kasan_kmalloc+0xaa/0xb0 [ 90.211375][ T9116] dvb_register_device+0x1e2/0x2380 [ 90.216590][ T9116] dvb_register_frontend+0x5a7/0x880 [ 90.221888][ T9116] vidtv_bridge_probe+0x45e/0xa90 [ 90.226925][ T9116] platform_probe+0xff/0x1f0 [ 90.231530][ T9116] really_probe+0x23e/0xa90 [ 90.236053][ T9116] __driver_probe_device+0x1de/0x440 [ 90.241363][ T9116] driver_probe_device+0x4c/0x1b0 [ 90.246407][ T9116] __driver_attach+0x283/0x580 [ 90.251197][ T9116] bus_for_each_dev+0x13c/0x1d0 [ 90.256060][ T9116] bus_add_driver+0x2e9/0x690 [ 90.260752][ T9116] driver_register+0x15c/0x4b0 [ 90.265544][ T9116] vidtv_bridge_init+0x45/0x80 [ 90.270327][ T9116] do_one_initcall+0x128/0x630 [ 90.275113][ T9116] kernel_init_freeable+0x58f/0x8b0 [ 90.280335][ T9116] kernel_init+0x1c/0x2b0 [ 90.284688][ T9116] ret_from_fork+0x45/0x80 [ 90.289115][ T9116] ret_from_fork_asm+0x1a/0x30 [ 90.293907][ T9116] [ 90.296234][ T9116] Freed by task 9110: [ 90.300213][ T9116] kasan_save_stack+0x33/0x60 [ 90.304916][ T9116] kasan_save_track+0x14/0x30 [ 90.309620][ T9116] kasan_save_free_info+0x3b/0x60 [ 90.314655][ T9116] __kasan_slab_free+0x51/0x70 [ 90.319448][ T9116] kfree+0x14f/0x4b0 [ 90.323372][ T9116] dvb_device_put.part.0+0x60/0x90 [ 90.328517][ T9116] dvb_device_open+0x2a4/0x3b0 [ 90.333325][ T9116] chrdev_open+0x237/0x6a0 [ 90.337771][ T9116] do_dentry_open+0xf59/0x1ea0 [ 90.342570][ T9116] vfs_open+0x82/0x3f0 [ 90.346681][ T9116] path_openat+0x1e6a/0x2d60 [ 90.351296][ T9116] do_filp_open+0x20c/0x470 [ 90.355937][ T9116] do_sys_openat2+0x17a/0x1e0 [ 90.360640][ T9116] __x64_sys_openat+0x175/0x210 [ 90.365513][ T9116] do_syscall_64+0xcd/0x250 [ 90.370042][ T9116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.375964][ T9116] [ 90.378297][ T9116] The buggy address belongs to the object at ffff8881476baa00 [ 90.378297][ T9116] which belongs to the cache kmalloc-256 of size 256 [ 90.392466][ T9116] The buggy address is located 24 bytes inside of [ 90.392466][ T9116] freed 256-byte region [ffff8881476baa00, ffff8881476bab00) [ 90.406187][ T9116] [ 90.408523][ T9116] The buggy address belongs to the physical page: [ 90.414943][ T9116] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1476ba [ 90.423809][ T9116] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 90.432318][ T9116] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff) [ 90.439955][ T9116] page_type: f5(slab) [ 90.443955][ T9116] raw: 057ff00000000040 ffff88801ac41b40 dead000000000122 0000000000000000 [ 90.452554][ T9116] raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000 [ 90.461148][ T9116] head: 057ff00000000040 ffff88801ac41b40 dead000000000122 0000000000000000 [ 90.469835][ T9116] head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000 [ 90.478513][ T9116] head: 057ff00000000001 ffffea00051dae81 ffffffffffffffff 0000000000000000 [ 90.487232][ T9116] head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000 [ 90.495927][ T9116] page dumped because: kasan: bad access detected [ 90.502347][ T9116] page_owner tracks the page as allocated [ 90.508072][ T9116] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 21808544918, free_ts 0 [ 90.527830][ T9116] post_alloc_hook+0x2d1/0x350 [ 90.532626][ T9116] get_page_from_freelist+0xfce/0x2f80 [ 90.538123][ T9116] __alloc_pages_noprof+0x223/0x25b0 [ 90.543450][ T9116] alloc_pages_mpol_noprof+0x2c8/0x620 [ 90.548932][ T9116] new_slab+0x2c9/0x410 [ 90.553115][ T9116] ___slab_alloc+0xce2/0x1650 [ 90.557830][ T9116] __slab_alloc.constprop.0+0x56/0xb0 [ 90.563229][ T9116] __kmalloc_cache_noprof+0xf6/0x420 [ 90.568548][ T9116] bus_add_driver+0x92/0x690 [ 90.573256][ T9116] driver_register+0x15c/0x4b0 [ 90.578061][ T9116] usb_register_driver+0x216/0x4d0 [ 90.583204][ T9116] do_one_initcall+0x128/0x630 [ 90.587994][ T9116] kernel_init_freeable+0x58f/0x8b0 [ 90.593659][ T9116] kernel_init+0x1c/0x2b0 [ 90.598021][ T9116] ret_from_fork+0x45/0x80 [ 90.602458][ T9116] ret_from_fork_asm+0x1a/0x30 [ 90.607250][ T9116] page_owner free stack trace missing [ 90.612642][ T9116] [ 90.614968][ T9116] Memory state around the buggy address: [ 90.620689][ T9116] ffff8881476ba900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 90.628760][ T9116] ffff8881476ba980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc executing program [ 90.636831][ T9116] >ffff8881476baa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 90.644897][ T9116] ^ [ 90.649748][ T9116] ffff8881476baa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 90.657823][ T9116] ffff8881476bab00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 90.665908][ T9116] ================================================================== [ 90.683671][ T9116] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 90.690899][ T9116] CPU: 1 UID: 0 PID: 9116 Comm: syz-executor353 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0 [ 90.702019][ T9116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 90.712074][ T9116] Call Trace: [ 90.715351][ T9116] [ 90.718284][ T9116] dump_stack_lvl+0x3d/0x1f0 [ 90.722890][ T9116] panic+0x71d/0x800 [ 90.726801][ T9116] ? __pfx_panic+0x10/0x10 [ 90.731232][ T9116] ? irqentry_exit+0x3b/0x90 [ 90.735833][ T9116] ? lockdep_hardirqs_on+0x7c/0x110 [ 90.741052][ T9116] ? preempt_schedule_thunk+0x1a/0x30 [ 90.746452][ T9116] ? preempt_schedule_common+0x44/0xc0 [ 90.751964][ T9116] ? check_panic_on_warn+0x1f/0xb0 [ 90.757113][ T9116] check_panic_on_warn+0xab/0xb0 [ 90.762068][ T9116] end_report+0x117/0x180 [ 90.766421][ T9116] kasan_report+0xe9/0x110 [ 90.770847][ T9116] ? dvb_device_open+0x36a/0x3b0 [ 90.775792][ T9116] ? dvb_device_open+0x36a/0x3b0 [ 90.780736][ T9116] ? __pfx_dvb_device_open+0x10/0x10 [ 90.786028][ T9116] dvb_device_open+0x36a/0x3b0 [ 90.790820][ T9116] ? __pfx_dvb_device_open+0x10/0x10 [ 90.796119][ T9116] chrdev_open+0x237/0x6a0 [ 90.800548][ T9116] ? __pfx_apparmor_file_open+0x10/0x10 [ 90.806094][ T9116] ? __pfx_chrdev_open+0x10/0x10 [ 90.811044][ T9116] do_dentry_open+0xf59/0x1ea0 [ 90.815814][ T9116] ? __pfx_chrdev_open+0x10/0x10 [ 90.820757][ T9116] ? inode_permission+0xdd/0x5f0 [ 90.825719][ T9116] vfs_open+0x82/0x3f0 [ 90.829798][ T9116] ? may_open+0x1f2/0x400 [ 90.834168][ T9116] path_openat+0x1e6a/0x2d60 [ 90.838771][ T9116] ? __pfx_path_openat+0x10/0x10 [ 90.843733][ T9116] ? __pfx___lock_acquire+0x10/0x10 [ 90.848934][ T9116] ? lock_acquire.part.0+0x11b/0x380 [ 90.854236][ T9116] ? find_held_lock+0x2d/0x110 [ 90.859014][ T9116] do_filp_open+0x20c/0x470 [ 90.863528][ T9116] ? __pfx_do_filp_open+0x10/0x10 [ 90.868562][ T9116] ? find_held_lock+0x2d/0x110 [ 90.873364][ T9116] ? alloc_fd+0x41f/0x760 [ 90.877713][ T9116] do_sys_openat2+0x17a/0x1e0 [ 90.882409][ T9116] ? __pfx_do_sys_openat2+0x10/0x10 [ 90.887625][ T9116] ? do_user_addr_fault+0xe50/0x13f0 [ 90.892936][ T9116] ? __pfx_lock_release+0x10/0x10 [ 90.897971][ T9116] __x64_sys_openat+0x175/0x210 [ 90.902840][ T9116] ? __pfx___x64_sys_openat+0x10/0x10 [ 90.908234][ T9116] ? do_user_addr_fault+0x83d/0x13f0 [ 90.913621][ T9116] do_syscall_64+0xcd/0x250 [ 90.918149][ T9116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.924060][ T9116] RIP: 0033:0x7fbafad2db29 [ 90.928492][ T9116] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 90.948189][ T9116] RSP: 002b:00007fff3ae8be88 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 90.956611][ T9116] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbafad2db29 [ 90.964600][ T9116] RDX: 0000000000000001 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 90.972573][ T9116] RBP: 00000000000f4240 R08: 0000000000008000 R09: 0000000000008000 [ 90.980545][ T9116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000015edd [ 90.988520][ T9116] R13: 00007fff3ae8beac R14: 00007fff3ae8bec0 R15: 00007fff3ae8beb0 [ 90.996509][ T9116] [ 90.999901][ T9116] Kernel Offset: disabled [ 91.004231][ T9116] Rebooting in 86400 seconds..