Warning: Permanently added '[localhost]:11964' (ED25519) to the list of known hosts. executing program [ 70.591703][ T5309] loop0: detected capacity change from 0 to 2048 [ 70.620220][ T5309] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 70.626777][ T5309] UDF-fs: Scanning with blocksize 512 failed [ 70.636908][ T5309] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 70.728289][ T5309] loop0: detected capacity change from 2048 to 2047 [ 70.745886][ T5309] UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 818: i_size: 134220898 lbcount: 141077504 extent 0+14745600 [ 70.756498][ T5309] ================================================================== [ 70.759538][ T5309] BUG: KASAN: use-after-free in crc_itu_t+0x1d5/0x2b0 [ 70.763240][ T5309] Read of size 1 at addr ffff888041e7d000 by task syz-executor317/5309 [ 70.767110][ T5309] [ 70.768069][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor317 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 [ 70.772106][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 70.776129][ T5309] Call Trace: [ 70.777414][ T5309] [ 70.778552][ T5309] dump_stack_lvl+0x241/0x360 [ 70.780359][ T5309] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.782340][ T5309] ? __pfx__printk+0x10/0x10 [ 70.784080][ T5309] ? _printk+0xd5/0x120 [ 70.785675][ T5309] ? __virt_addr_valid+0x183/0x530 [ 70.787555][ T5309] ? __virt_addr_valid+0x183/0x530 [ 70.789408][ T5309] print_report+0x169/0x550 [ 70.791146][ T5309] ? __virt_addr_valid+0x183/0x530 [ 70.793034][ T5309] ? __virt_addr_valid+0x183/0x530 [ 70.794742][ T5309] ? __virt_addr_valid+0x45f/0x530 [ 70.796487][ T5309] ? __phys_addr+0xba/0x170 [ 70.798016][ T5309] ? crc_itu_t+0x1d5/0x2b0 [ 70.799540][ T5309] kasan_report+0x143/0x180 [ 70.801113][ T5309] ? crc_itu_t+0x1d5/0x2b0 [ 70.802680][ T5309] crc_itu_t+0x1d5/0x2b0 [ 70.804121][ T5309] udf_update_tag+0x70/0x6a0 [ 70.805734][ T5309] udf_write_aext+0x4d8/0x7b0 [ 70.807399][ T5309] extent_trunc+0x2f7/0x4a0 [ 70.808982][ T5309] ? __pfx_extent_trunc+0x10/0x10 [ 70.810883][ T5309] udf_truncate_tail_extent+0x527/0x7e0 [ 70.812809][ T5309] ? __pfx_udf_truncate_tail_extent+0x10/0x10 [ 70.815014][ T5309] ? down_write+0x18c/0x220 [ 70.816692][ T5309] ? down_read_killable+0xcc0/0xd30 [ 70.818619][ T5309] ? __pfx_call_rcu+0x10/0x10 [ 70.820333][ T5309] udf_release_file+0xc1/0x120 [ 70.822094][ T5309] ? __pfx_udf_release_file+0x10/0x10 [ 70.824048][ T5309] __fput+0x23f/0x880 [ 70.825586][ T5309] task_work_run+0x24f/0x310 [ 70.827311][ T5309] ? __pfx_task_work_run+0x10/0x10 [ 70.829248][ T5309] ? switch_task_namespaces+0xe4/0x110 [ 70.831218][ T5309] do_exit+0xa2f/0x28e0 [ 70.832763][ T5309] ? __pfx_do_exit+0x10/0x10 [ 70.834466][ T5309] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 70.836532][ T5309] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.838827][ T5309] ? _raw_spin_unlock_irq+0x23/0x50 [ 70.840756][ T5309] ? lockdep_hardirqs_on+0x99/0x150 [ 70.842677][ T5309] do_group_exit+0x207/0x2c0 [ 70.844315][ T5309] __x64_sys_exit_group+0x3f/0x40 [ 70.846157][ T5309] x64_sys_call+0x2634/0x2640 [ 70.847906][ T5309] do_syscall_64+0xf3/0x230 [ 70.849520][ T5309] ? clear_bhb_loop+0x35/0x90 [ 70.851262][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.853274][ T5309] RIP: 0033:0x7ffbbd1e9f09 [ 70.854829][ T5309] Code: Unable to access opcode bytes at 0x7ffbbd1e9edf. [ 70.857241][ T5309] RSP: 002b:00007fff6e953b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 70.860063][ T5309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbbd1e9f09 [ 70.862775][ T5309] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 70.865683][ T5309] RBP: 00007ffbbd286310 R08: ffffffffffffffb8 R09: 000055558cebc4c0 [ 70.868441][ T5309] R10: 0023706f6f6c2f76 R11: 0000000000000246 R12: 00007ffbbd286310 [ 70.871324][ T5309] R13: 0000000000000000 R14: 00007ffbbd287080 R15: 00007ffbbd1b8100 [ 70.874249][ T5309] [ 70.875391][ T5309] [ 70.876380][ T5309] The buggy address belongs to the physical page: [ 70.878842][ T5309] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x55558cebb pfn:0x41e7d [ 70.882339][ T5309] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 70.884975][ T5309] raw: 04fff00000000000 ffffea000118ba08 ffffea000118d7c8 0000000000000000 [ 70.888141][ T5309] raw: 000000055558cebb 0000000000000000 00000000ffffffff 0000000000000000 [ 70.891285][ T5309] page dumped because: kasan: bad access detected [ 70.893627][ T5309] page_owner tracks the page as freed [ 70.895666][ T5309] page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 5309, tgid 5309 (syz-executor317), ts 70568771998, free_ts 70739898657 [ 70.902706][ T5309] post_alloc_hook+0x1f3/0x230 [ 70.904565][ T5309] get_page_from_freelist+0x3045/0x3190 [ 70.906706][ T5309] __alloc_pages_noprof+0x292/0x710 [ 70.908728][ T5309] alloc_pages_mpol_noprof+0x3e8/0x680 [ 70.910912][ T5309] vma_alloc_folio_noprof+0x12e/0x230 [ 70.912937][ T5309] folio_prealloc+0x31/0x170 [ 70.914678][ T5309] do_wp_page+0x11c4/0x52d0 [ 70.916346][ T5309] handle_pte_fault+0x10e3/0x6800 [ 70.918309][ T5309] handle_mm_fault+0x1106/0x1bb0 [ 70.920188][ T5309] exc_page_fault+0x2b9/0x8c0 [ 70.921892][ T5309] asm_exc_page_fault+0x26/0x30 [ 70.923715][ T5309] page last free pid 5309 tgid 5309 stack trace: [ 70.926118][ T5309] free_unref_folios+0xf12/0x18d0 [ 70.928004][ T5309] folios_put_refs+0x76c/0x860 [ 70.929723][ T5309] free_pages_and_swap_cache+0x2ea/0x690 [ 70.931743][ T5309] tlb_flush_mmu+0x3a3/0x680 [ 70.933443][ T5309] tlb_finish_mmu+0xd4/0x200 [ 70.935140][ T5309] exit_mmap+0x496/0xc40 [ 70.936716][ T5309] __mmput+0x115/0x390 [ 70.938248][ T5309] exit_mm+0x220/0x310 [ 70.939770][ T5309] do_exit+0x9b2/0x28e0 [ 70.941270][ T5309] do_group_exit+0x207/0x2c0 [ 70.942946][ T5309] __x64_sys_exit_group+0x3f/0x40 [ 70.944779][ T5309] x64_sys_call+0x2634/0x2640 [ 70.946561][ T5309] do_syscall_64+0xf3/0x230 [ 70.948250][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.950543][ T5309] [ 70.951578][ T5309] Memory state around the buggy address: [ 70.953643][ T5309] ffff888041e7cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 70.956621][ T5309] ffff888041e7cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 70.959545][ T5309] >ffff888041e7d000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 70.962730][ T5309] ^ [ 70.964275][ T5309] ffff888041e7d080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 70.967215][ T5309] ffff888041e7d100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 70.970100][ T5309] ================================================================== [ 70.977072][ T5309] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 70.979765][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz-executor317 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 [ 70.983741][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 70.987704][ T5309] Call Trace: [ 70.988965][ T5309] [ 70.990052][ T5309] dump_stack_lvl+0x241/0x360 [ 70.991845][ T5309] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.993804][ T5309] ? __pfx__printk+0x10/0x10 [ 70.995583][ T5309] ? preempt_schedule+0xe1/0xf0 [ 70.997454][ T5309] ? vscnprintf+0x5d/0x90 [ 70.999121][ T5309] panic+0x349/0x880 [ 71.000574][ T5309] ? check_panic_on_warn+0x21/0xb0 [ 71.002763][ T5309] ? __pfx_panic+0x10/0x10 [ 71.004385][ T5309] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 71.006639][ T5309] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 71.008875][ T5309] ? print_report+0x502/0x550 [ 71.010590][ T5309] check_panic_on_warn+0x86/0xb0 [ 71.012437][ T5309] ? crc_itu_t+0x1d5/0x2b0 [ 71.014149][ T5309] end_report+0x77/0x160 [ 71.015862][ T5309] kasan_report+0x154/0x180 [ 71.017545][ T5309] ? crc_itu_t+0x1d5/0x2b0 [ 71.019211][ T5309] crc_itu_t+0x1d5/0x2b0 [ 71.020824][ T5309] udf_update_tag+0x70/0x6a0 [ 71.022622][ T5309] udf_write_aext+0x4d8/0x7b0 [ 71.024526][ T5309] extent_trunc+0x2f7/0x4a0 [ 71.026275][ T5309] ? __pfx_extent_trunc+0x10/0x10 [ 71.028311][ T5309] udf_truncate_tail_extent+0x527/0x7e0 [ 71.030434][ T5309] ? __pfx_udf_truncate_tail_extent+0x10/0x10 [ 71.032765][ T5309] ? down_write+0x18c/0x220 [ 71.034440][ T5309] ? down_read_killable+0xcc0/0xd30 [ 71.036444][ T5309] ? __pfx_call_rcu+0x10/0x10 [ 71.038136][ T5309] udf_release_file+0xc1/0x120 [ 71.039912][ T5309] ? __pfx_udf_release_file+0x10/0x10 [ 71.042014][ T5309] __fput+0x23f/0x880 [ 71.043522][ T5309] task_work_run+0x24f/0x310 [ 71.045258][ T5309] ? __pfx_task_work_run+0x10/0x10 [ 71.047106][ T5309] ? switch_task_namespaces+0xe4/0x110 [ 71.049148][ T5309] do_exit+0xa2f/0x28e0 [ 71.050671][ T5309] ? __pfx_do_exit+0x10/0x10 [ 71.052425][ T5309] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.054788][ T5309] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.057215][ T5309] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.059169][ T5309] ? lockdep_hardirqs_on+0x99/0x150 [ 71.061161][ T5309] do_group_exit+0x207/0x2c0 [ 71.062936][ T5309] __x64_sys_exit_group+0x3f/0x40 [ 71.064790][ T5309] x64_sys_call+0x2634/0x2640 [ 71.066540][ T5309] do_syscall_64+0xf3/0x230 [ 71.068199][ T5309] ? clear_bhb_loop+0x35/0x90 [ 71.069978][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.072253][ T5309] RIP: 0033:0x7ffbbd1e9f09 [ 71.073919][ T5309] Code: Unable to access opcode bytes at 0x7ffbbd1e9edf. [ 71.076527][ T5309] RSP: 002b:00007fff6e953b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 71.079849][ T5309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbbd1e9f09 [ 71.082807][ T5309] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 71.086347][ T5309] RBP: 00007ffbbd286310 R08: ffffffffffffffb8 R09: 000055558cebc4c0 [ 71.089877][ T5309] R10: 0023706f6f6c2f76 R11: 0000000000000246 R12: 00007ffbbd286310 [ 71.092956][ T5309] R13: 0000000000000000 R14: 00007ffbbd287080 R15: 00007ffbbd1b8100 [ 71.096370][ T5309] [ 71.098050][ T5309] Kernel Offset: disabled [ 71.099897][ T5309] Rebooting in 86400 seconds.. VM DIAGNOSIS: 18:10:49 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=ffffffff9a718e80 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d11f050 R8 =ffffffff854abd6b R9 =1ffff1100679e046 R10=dffffc0000000000 R11=ffffffff854abd20 R12=dffffc0000000000 R13=ffffffff9a413f04 R14=0000000000000020 R15=00000000000003f8 RIP=ffffffff854abd9e 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 0000000000000000 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=00007ffbbd234138 CR3=0000000049108000 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=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff 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 00007fff6e953b70 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffbbd28c5c0 00007ffbbd2805d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffbbd2717e4 00007ffbbd2852a0 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 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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