Warning: Permanently added '[localhost]:17057' (ED25519) to the list of known hosts. executing program syzkaller login: [ 92.689817][ T5098] loop0: detected capacity change from 0 to 1024 [ 92.757212][ T5097] ================================================================== [ 92.760324][ T5097] BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x57f/0x1200 [ 92.763340][ T5097] Read of size 2 at addr ffff888035ec740c by task syz-executor259/5097 [ 92.767026][ T5097] [ 92.767836][ T5097] CPU: 0 UID: 0 PID: 5097 Comm: syz-executor259 Not tainted 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 [ 92.771516][ T5097] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 92.775437][ T5097] Call Trace: [ 92.776728][ T5097] [ 92.777840][ T5097] dump_stack_lvl+0x241/0x360 [ 92.779689][ T5097] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.781465][ T5097] ? __pfx__printk+0x10/0x10 [ 92.782940][ T5097] ? _printk+0xd5/0x120 [ 92.784524][ T5097] ? __virt_addr_valid+0x183/0x530 [ 92.786529][ T5097] ? __virt_addr_valid+0x183/0x530 [ 92.788522][ T5097] print_report+0x169/0x550 [ 92.790795][ T5097] ? __virt_addr_valid+0x183/0x530 [ 92.793467][ T5097] ? __virt_addr_valid+0x183/0x530 [ 92.795808][ T5097] ? __virt_addr_valid+0x45f/0x530 [ 92.798079][ T5097] ? __phys_addr+0xba/0x170 [ 92.799932][ T5097] ? hfsplus_uni2asc+0x57f/0x1200 [ 92.801868][ T5097] kasan_report+0x143/0x180 [ 92.803467][ T5097] ? hfsplus_uni2asc+0x57f/0x1200 [ 92.805451][ T5097] hfsplus_uni2asc+0x57f/0x1200 [ 92.807445][ T5097] ? __asan_memcpy+0x40/0x70 [ 92.809692][ T5097] hfsplus_readdir+0x938/0x1320 [ 92.812234][ T5097] ? __pfx_hfsplus_readdir+0x10/0x10 [ 92.814959][ T5097] ? __mutex_lock+0x2ef/0xd70 [ 92.816725][ T5097] ? iterate_dir+0x20c/0x800 [ 92.818245][ T5097] ? __pfx_down_read_killable+0x10/0x10 [ 92.820334][ T5097] ? fdget_pos+0x24e/0x320 [ 92.822093][ T5097] ? common_file_perm+0x1a6/0x210 [ 92.824099][ T5097] iterate_dir+0x571/0x800 [ 92.825838][ T5097] __se_sys_getdents64+0x1d3/0x4a0 [ 92.828086][ T5097] ? __pfx___se_sys_getdents64+0x10/0x10 [ 92.831638][ T5097] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.834581][ T5097] ? __pfx_filldir64+0x10/0x10 [ 92.836416][ T5097] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 92.839065][ T5097] ? exc_page_fault+0x590/0x8c0 [ 92.840567][ T5097] ? do_syscall_64+0xb6/0x230 [ 92.842356][ T5097] do_syscall_64+0xf3/0x230 [ 92.844019][ T5097] ? clear_bhb_loop+0x35/0x90 [ 92.845851][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.848845][ T5097] RIP: 0033:0x7fe7cb037e63 [ 92.851133][ T5097] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 82 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 [ 92.858598][ T5097] RSP: 002b:00007ffe6a3b23c8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 [ 92.861707][ T5097] RAX: ffffffffffffffda RBX: 0000555569887730 RCX: 00007fe7cb037e63 [ 92.864519][ T5097] RDX: 0000000000008000 RSI: 0000555569887730 RDI: 0000000000000004 [ 92.868050][ T5097] RBP: 0000555569887704 R08: 0000000000000000 R09: 0000000000000000 [ 92.871319][ T5097] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8 [ 92.874202][ T5097] R13: 0000000000000010 R14: 0000555569887700 R15: 431bde82d7b634db [ 92.876728][ T5097] [ 92.877735][ T5097] [ 92.878490][ T5097] Allocated by task 5097: [ 92.879865][ T5097] kasan_save_track+0x3f/0x80 [ 92.881463][ T5097] __kasan_kmalloc+0x98/0xb0 [ 92.883170][ T5097] __kmalloc_noprof+0x1fc/0x400 [ 92.885032][ T5097] hfsplus_find_init+0x85/0x1c0 [ 92.886762][ T5097] hfsplus_readdir+0x20b/0x1320 [ 92.888390][ T5097] iterate_dir+0x571/0x800 [ 92.890264][ T5097] __se_sys_getdents64+0x1d3/0x4a0 [ 92.892583][ T5097] do_syscall_64+0xf3/0x230 [ 92.894654][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.897256][ T5097] [ 92.898159][ T5097] The buggy address belongs to the object at ffff888035ec7000 [ 92.898159][ T5097] which belongs to the cache kmalloc-2k of size 2048 [ 92.902949][ T5097] The buggy address is located 0 bytes to the right of [ 92.902949][ T5097] allocated 1036-byte region [ffff888035ec7000, ffff888035ec740c) [ 92.908475][ T5097] [ 92.909350][ T5097] The buggy address belongs to the physical page: [ 92.912337][ T5097] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x35ec0 [ 92.916242][ T5097] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 92.919499][ T5097] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 92.922493][ T5097] page_type: f5(slab) [ 92.924149][ T5097] raw: 04fff00000000040 ffff88801ac42000 ffffea0000030000 dead000000000002 [ 92.927910][ T5097] raw: 0000000000000000 0000000080080008 00000001f5000000 0000000000000000 [ 92.931700][ T5097] head: 04fff00000000040 ffff88801ac42000 ffffea0000030000 dead000000000002 [ 92.935005][ T5097] head: 0000000000000000 0000000080080008 00000001f5000000 0000000000000000 [ 92.938455][ T5097] head: 04fff00000000003 ffffea0000d7b001 ffffffffffffffff 0000000000000000 [ 92.942197][ T5097] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 92.945542][ T5097] page dumped because: kasan: bad access detected [ 92.947695][ T5097] page_owner tracks the page as allocated [ 92.949848][ T5097] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 27227560512, free_ts 26957320326 [ 92.957193][ T5097] post_alloc_hook+0x1f3/0x230 [ 92.959216][ T5097] get_page_from_freelist+0x3045/0x3190 [ 92.961740][ T5097] __alloc_pages_noprof+0x256/0x6c0 [ 92.963624][ T5097] alloc_pages_mpol_noprof+0x3e8/0x680 [ 92.965361][ T5097] alloc_slab_page+0x6a/0x120 [ 92.966853][ T5097] allocate_slab+0x5a/0x2f0 [ 92.968439][ T5097] ___slab_alloc+0xcd1/0x14b0 [ 92.970107][ T5097] __slab_alloc+0x58/0xa0 [ 92.971454][ T5097] __kmalloc_node_noprof+0x286/0x440 [ 92.973740][ T5097] __kvmalloc_node_noprof+0x72/0x190 [ 92.975682][ T5097] v4l2_ctrl_new+0xfc7/0x1910 [ 92.977879][ T5097] v4l2_ctrl_new_custom+0x6fe/0xa20 [ 92.980054][ T5097] vivid_create_controls+0xe37/0x4140 [ 92.982187][ T5097] vivid_probe+0x48ba/0x7cf0 [ 92.984002][ T5097] platform_probe+0x13a/0x1c0 [ 92.985932][ T5097] really_probe+0x2b8/0xad0 [ 92.987627][ T5097] page last free pid 1 tgid 1 stack trace: [ 92.989939][ T5097] free_unref_page+0xcfb/0xf20 [ 92.992228][ T5097] __put_partials+0xeb/0x130 [ 92.994564][ T5097] put_cpu_partial+0x17c/0x250 [ 92.997033][ T5097] __slab_free+0x2ea/0x3d0 [ 92.998884][ T5097] qlist_free_all+0x9a/0x140 [ 93.000725][ T5097] kasan_quarantine_reduce+0x14f/0x170 [ 93.002891][ T5097] __kasan_slab_alloc+0x23/0x80 [ 93.004793][ T5097] __kmalloc_cache_noprof+0x132/0x2c0 [ 93.006711][ T5097] kobject_uevent_env+0x28b/0x8e0 [ 93.008579][ T5097] device_add+0x63b/0xbf0 [ 93.010217][ T5097] __video_register_device+0x3bdf/0x4a50 [ 93.013642][ T5097] vivid_create_devnodes+0x1f5f/0x2c90 [ 93.016680][ T5097] vivid_probe+0x5858/0x7cf0 [ 93.018777][ T5097] platform_probe+0x13a/0x1c0 [ 93.020652][ T5097] really_probe+0x2b8/0xad0 [ 93.022432][ T5097] __driver_probe_device+0x1a2/0x390 [ 93.024578][ T5097] [ 93.025562][ T5097] Memory state around the buggy address: [ 93.027816][ T5097] ffff888035ec7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 93.030677][ T5097] ffff888035ec7380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 93.036147][ T5097] >ffff888035ec7400: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 93.039582][ T5097] ^ [ 93.041332][ T5097] ffff888035ec7480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 93.044263][ T5097] ffff888035ec7500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 93.046873][ T5097] ================================================================== [ 93.361334][ T5097] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 93.364839][ T5097] CPU: 0 UID: 0 PID: 5097 Comm: syz-executor259 Not tainted 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 [ 93.368813][ T5097] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.372573][ T5097] Call Trace: [ 93.373952][ T5097] [ 93.375336][ T5097] dump_stack_lvl+0x241/0x360 [ 93.377702][ T5097] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.380243][ T5097] ? __pfx__printk+0x10/0x10 [ 93.381777][ T5097] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 93.384000][ T5097] ? vscnprintf+0x5d/0x90 [ 93.385910][ T5097] panic+0x349/0x880 [ 93.387581][ T5097] ? check_panic_on_warn+0x21/0xb0 [ 93.390476][ T5097] ? __pfx_panic+0x10/0x10 [ 93.393447][ T5097] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 93.396564][ T5097] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 93.399044][ T5097] check_panic_on_warn+0x86/0xb0 [ 93.400989][ T5097] ? hfsplus_uni2asc+0x57f/0x1200 [ 93.402735][ T5097] end_report+0x77/0x160 [ 93.404412][ T5097] kasan_report+0x154/0x180 [ 93.406230][ T5097] ? hfsplus_uni2asc+0x57f/0x1200 [ 93.408314][ T5097] hfsplus_uni2asc+0x57f/0x1200 [ 93.410370][ T5097] ? __asan_memcpy+0x40/0x70 [ 93.412469][ T5097] hfsplus_readdir+0x938/0x1320 [ 93.414531][ T5097] ? __pfx_hfsplus_readdir+0x10/0x10 [ 93.416773][ T5097] ? __mutex_lock+0x2ef/0xd70 [ 93.418852][ T5097] ? iterate_dir+0x20c/0x800 [ 93.420729][ T5097] ? __pfx_down_read_killable+0x10/0x10 [ 93.422874][ T5097] ? fdget_pos+0x24e/0x320 [ 93.424653][ T5097] ? common_file_perm+0x1a6/0x210 [ 93.426963][ T5097] iterate_dir+0x571/0x800 [ 93.429185][ T5097] __se_sys_getdents64+0x1d3/0x4a0 [ 93.431559][ T5097] ? __pfx___se_sys_getdents64+0x10/0x10 [ 93.433754][ T5097] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 93.436059][ T5097] ? __pfx_filldir64+0x10/0x10 [ 93.437796][ T5097] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 93.440328][ T5097] ? exc_page_fault+0x590/0x8c0 [ 93.442259][ T5097] ? do_syscall_64+0xb6/0x230 [ 93.444205][ T5097] do_syscall_64+0xf3/0x230 [ 93.446024][ T5097] ? clear_bhb_loop+0x35/0x90 [ 93.448069][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.450624][ T5097] RIP: 0033:0x7fe7cb037e63 [ 93.452552][ T5097] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 82 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 [ 93.459800][ T5097] RSP: 002b:00007ffe6a3b23c8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 [ 93.463875][ T5097] RAX: ffffffffffffffda RBX: 0000555569887730 RCX: 00007fe7cb037e63 [ 93.467966][ T5097] RDX: 0000000000008000 RSI: 0000555569887730 RDI: 0000000000000004 [ 93.470848][ T5097] RBP: 0000555569887704 R08: 0000000000000000 R09: 0000000000000000 [ 93.473887][ T5097] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8 [ 93.477346][ T5097] R13: 0000000000000010 R14: 0000555569887700 R15: 431bde82d7b634db [ 93.480747][ T5097] [ 93.482211][ T5097] Kernel Offset: disabled [ 93.484020][ T5097] Rebooting in 86400 seconds.. VM DIAGNOSIS: 10:02:13 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000302f070 R8 =ffffffff85496a1b R9 =1ffff11003d63046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf27 R14=0000000000000020 R15=00000000000003f8 RIP=ffffffff85496a4e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055556987e380 ffffffff 00c00000 GS =0000 ffff88801fc00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055556988f738 CR3=000000003bf06000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000040000021 Opmask01=00000000ffffffff Opmask02=0000000000000000 Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe6a3b3500 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 61616130656c6966 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e006a64615f6572 6f63735f6d6f6f2f 666c65732f636f72 702f003030303100 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0b004f41445f4057 4a46565f484a4a0a 434940560a464a57 550a001515151400 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000