syzkaller login: [ 92.119060][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:4840' (ED25519) to the list of known hosts. executing program [ 93.528278][ T5318] loop0: detected capacity change from 0 to 2048 [ 93.559608][ T5318] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [ 93.582468][ T5318] ------------[ cut here ]------------ [ 93.585535][ T5318] WARNING: CPU: 0 PID: 5318 at fs/udf/inode.c:2081 __udf_add_aext+0x524/0x6d0 [ 93.589957][ T5318] Modules linked in: [ 93.592204][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz-executor347 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 93.599074][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.603691][ T5318] RIP: 0010:__udf_add_aext+0x524/0x6d0 [ 93.606097][ T5318] Code: c7 ed fe 49 8b 3e 4c 89 e6 e8 78 06 10 ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 93 ba 32 08 cc e8 dd 4f 8a fe 90 <0f> 0b 90 e9 14 fc ff ff e8 cf 4f 8a fe 90 0f 0b 90 e9 66 fd ff ff [ 93.615651][ T5318] RSP: 0018:ffffc9000d28f248 EFLAGS: 00010293 [ 93.618112][ T5318] RAX: ffffffff83360f13 RBX: dffffc0000000000 RCX: ffff88803ed22440 [ 93.621731][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001d0 [ 93.626245][ T5318] RBP: 1ffff92001a51ee5 R08: ffff88803ed22440 R09: 0000000000000002 [ 93.629965][ T5318] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000001d0 [ 93.633633][ T5318] R13: 0000000000000000 R14: ffffc9000d28f720 R15: ffffc9000d28f728 [ 93.637737][ T5318] FS: 000055555851b380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 [ 93.643087][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.646698][ T5318] CR2: 00007f5018ae10f8 CR3: 000000004317f000 CR4: 0000000000352ef0 [ 93.650654][ T5318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.655403][ T5318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.658933][ T5318] Call Trace: [ 93.660403][ T5318] [ 93.661770][ T5318] udf_setup_indirect_aext+0x609/0x800 [ 93.664219][ T5318] ? __udf_add_aext+0x508/0x6d0 [ 93.666595][ T5318] udf_do_extend_file+0x870/0x1180 [ 93.668811][ T5318] ? udf_get_filelongad+0x6e/0x1b0 [ 93.670845][ T5318] ? __pfx_udf_do_extend_file+0x10/0x10 [ 93.672995][ T5318] udf_map_block+0xf64/0x42a0 [ 93.675189][ T5318] ? stack_trace_save+0x9c/0xe0 [ 93.677777][ T5318] ? check_path+0x21/0x40 [ 93.680105][ T5318] ? __pfx_udf_map_block+0x10/0x10 [ 93.682542][ T5318] ? validate_chain+0x897/0x2140 [ 93.684711][ T5318] ? do_raw_spin_lock+0x121/0x290 [ 93.687222][ T5318] ? do_raw_spin_unlock+0x4d/0x240 [ 93.689759][ T5318] __udf_get_block+0x52/0x250 [ 93.692204][ T5318] ? create_empty_buffers+0x465/0x530 [ 93.694981][ T5318] __block_write_begin_int+0x6b5/0x1900 [ 93.697634][ T5318] ? folio_add_lru+0x1b2/0x3d0 [ 93.700046][ T5318] ? __pfx_udf_get_block+0x10/0x10 [ 93.702739][ T5318] ? __pfx___block_write_begin_int+0x10/0x10 [ 93.706077][ T5318] ? __pfx_udf_get_block+0x10/0x10 [ 93.708568][ T5318] block_write_begin+0x8a/0x120 [ 93.711039][ T5318] ? udf_write_begin+0x7d/0x260 [ 93.713428][ T5318] udf_write_begin+0x100/0x260 [ 93.715895][ T5318] generic_perform_write+0x2c7/0x910 [ 93.718358][ T5318] ? __pfx_generic_perform_write+0x10/0x10 [ 93.721253][ T5318] ? file_update_time+0x416/0x490 [ 93.723818][ T5318] ? __generic_file_write_iter+0xf9/0x230 [ 93.726510][ T5318] ? udf_file_write_iter+0x2c4/0x6c0 [ 93.728915][ T5318] udf_file_write_iter+0x2d5/0x6c0 [ 93.731225][ T5318] vfs_write+0x54b/0xa90 [ 93.733166][ T5318] ? __pfx_udf_file_write_iter+0x10/0x10 [ 93.735815][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 93.737991][ T5318] ? count_memcg_event_mm+0x21/0x260 [ 93.740321][ T5318] __x64_sys_pwrite64+0x193/0x220 [ 93.742537][ T5318] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 93.745088][ T5318] ? do_syscall_64+0xbe/0x3b0 [ 93.747245][ T5318] do_syscall_64+0xfa/0x3b0 [ 93.749736][ T5318] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.752164][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.755099][ T5318] ? clear_bhb_loop+0x60/0xb0 [ 93.757471][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.760540][ T5318] RIP: 0033:0x7f5018a68f59 [ 93.763081][ T5318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 93.772228][ T5318] RSP: 002b:00007fffe3325698 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 93.776593][ T5318] RAX: ffffffffffffffda RBX: 00007f5018ab2095 RCX: 00007f5018a68f59 [ 93.780215][ T5318] RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004 [ 93.784338][ T5318] RBP: 00007f5018add5f0 R08: 000055555851c4c0 R09: 000055555851c4c0 [ 93.788579][ T5318] R10: 0000010000000005 R11: 0000000000000246 R12: 00007fffe33256c0 [ 93.792185][ T5318] R13: 00007fffe33258e8 R14: 431bde82d7b634db R15: 00007f5018ab203b [ 93.795990][ T5318] [ 93.797964][ T5318] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 93.802419][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz-executor347 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 93.807816][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.813306][ T5318] Call Trace: [ 93.815135][ T5318] [ 93.816573][ T5318] dump_stack_lvl+0x99/0x250 [ 93.818635][ T5318] ? __asan_memcpy+0x40/0x70 [ 93.820691][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.823125][ T5318] ? __pfx__printk+0x10/0x10 [ 93.825552][ T5318] panic+0x2db/0x790 [ 93.827730][ T5318] ? __pfx_panic+0x10/0x10 [ 93.829930][ T5318] ? show_trace_log_lvl+0x4fb/0x550 [ 93.832466][ T5318] __warn+0x31b/0x4b0 [ 93.834279][ T5318] ? __udf_add_aext+0x524/0x6d0 [ 93.836481][ T5318] ? __udf_add_aext+0x524/0x6d0 [ 93.838763][ T5318] report_bug+0x2be/0x4f0 [ 93.841008][ T5318] ? __udf_add_aext+0x524/0x6d0 [ 93.843658][ T5318] ? __udf_add_aext+0x524/0x6d0 [ 93.846170][ T5318] ? __udf_add_aext+0x526/0x6d0 [ 93.848455][ T5318] handle_bug+0x84/0x160 [ 93.850416][ T5318] exc_invalid_op+0x1a/0x50 [ 93.852478][ T5318] asm_exc_invalid_op+0x1a/0x20 [ 93.854626][ T5318] RIP: 0010:__udf_add_aext+0x524/0x6d0 [ 93.857306][ T5318] Code: c7 ed fe 49 8b 3e 4c 89 e6 e8 78 06 10 ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 93 ba 32 08 cc e8 dd 4f 8a fe 90 <0f> 0b 90 e9 14 fc ff ff e8 cf 4f 8a fe 90 0f 0b 90 e9 66 fd ff ff [ 93.866729][ T5318] RSP: 0018:ffffc9000d28f248 EFLAGS: 00010293 [ 93.869565][ T5318] RAX: ffffffff83360f13 RBX: dffffc0000000000 RCX: ffff88803ed22440 [ 93.873703][ T5318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001d0 [ 93.877032][ T5318] RBP: 1ffff92001a51ee5 R08: ffff88803ed22440 R09: 0000000000000002 [ 93.880622][ T5318] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000001d0 [ 93.884346][ T5318] R13: 0000000000000000 R14: ffffc9000d28f720 R15: ffffc9000d28f728 [ 93.888421][ T5318] ? __udf_add_aext+0x523/0x6d0 [ 93.890904][ T5318] ? __udf_add_aext+0x523/0x6d0 [ 93.893112][ T5318] udf_setup_indirect_aext+0x609/0x800 [ 93.895644][ T5318] ? __udf_add_aext+0x508/0x6d0 [ 93.898062][ T5318] udf_do_extend_file+0x870/0x1180 [ 93.900878][ T5318] ? udf_get_filelongad+0x6e/0x1b0 [ 93.903645][ T5318] ? __pfx_udf_do_extend_file+0x10/0x10 [ 93.906394][ T5318] udf_map_block+0xf64/0x42a0 [ 93.908625][ T5318] ? stack_trace_save+0x9c/0xe0 [ 93.911367][ T5318] ? check_path+0x21/0x40 [ 93.913746][ T5318] ? __pfx_udf_map_block+0x10/0x10 [ 93.916643][ T5318] ? validate_chain+0x897/0x2140 [ 93.919612][ T5318] ? do_raw_spin_lock+0x121/0x290 [ 93.922346][ T5318] ? do_raw_spin_unlock+0x4d/0x240 [ 93.925151][ T5318] __udf_get_block+0x52/0x250 [ 93.927287][ T5318] ? create_empty_buffers+0x465/0x530 [ 93.929787][ T5318] __block_write_begin_int+0x6b5/0x1900 [ 93.932414][ T5318] ? folio_add_lru+0x1b2/0x3d0 [ 93.934702][ T5318] ? __pfx_udf_get_block+0x10/0x10 [ 93.937507][ T5318] ? __pfx___block_write_begin_int+0x10/0x10 [ 93.941583][ T5318] ? __pfx_udf_get_block+0x10/0x10 [ 93.944468][ T5318] block_write_begin+0x8a/0x120 [ 93.946581][ T5318] ? udf_write_begin+0x7d/0x260 [ 93.948907][ T5318] udf_write_begin+0x100/0x260 [ 93.951483][ T5318] generic_perform_write+0x2c7/0x910 [ 93.954231][ T5318] ? __pfx_generic_perform_write+0x10/0x10 [ 93.957946][ T5318] ? file_update_time+0x416/0x490 [ 93.961017][ T5318] ? __generic_file_write_iter+0xf9/0x230 [ 93.963825][ T5318] ? udf_file_write_iter+0x2c4/0x6c0 [ 93.966181][ T5318] udf_file_write_iter+0x2d5/0x6c0 [ 93.968485][ T5318] vfs_write+0x54b/0xa90 [ 93.970402][ T5318] ? __pfx_udf_file_write_iter+0x10/0x10 [ 93.973195][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 93.975878][ T5318] ? count_memcg_event_mm+0x21/0x260 [ 93.978701][ T5318] __x64_sys_pwrite64+0x193/0x220 [ 93.980977][ T5318] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 93.983508][ T5318] ? do_syscall_64+0xbe/0x3b0 [ 93.985735][ T5318] do_syscall_64+0xfa/0x3b0 [ 93.988276][ T5318] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.991318][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.994232][ T5318] ? clear_bhb_loop+0x60/0xb0 [ 93.996542][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.999355][ T5318] RIP: 0033:0x7f5018a68f59 [ 94.001614][ T5318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 94.011165][ T5318] RSP: 002b:00007fffe3325698 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 94.014867][ T5318] RAX: ffffffffffffffda RBX: 00007f5018ab2095 RCX: 00007f5018a68f59 [ 94.019030][ T5318] RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004 [ 94.023387][ T5318] RBP: 00007f5018add5f0 R08: 000055555851c4c0 R09: 000055555851c4c0 [ 94.026913][ T5318] R10: 0000010000000005 R11: 0000000000000246 R12: 00007fffe33256c0 [ 94.030502][ T5318] R13: 00007fffe33258e8 R14: 431bde82d7b634db R15: 00007f5018ab203b [ 94.033722][ T5318] [ 94.035397][ T5318] Kernel Offset: disabled [ 94.037537][ T5318] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:16:49 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=0000000000000020 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d28e9f0 R8 =ffff888033c00237 R9 =1ffff11006780046 R10=dffffc0000000000 R11=ffffffff85470170 R12=dffffc0000000000 R13=ffffffff99ac38c2 R14=ffffffff99dc8780 R15=0000000000000000 RIP=ffffffff854701ec 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 000055555851b380 ffffffff 00c00000 GS =0000 ffff88808d252000 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=00007f5018ae10f8 CR3=000000004317f000 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=00000000fffffc00 Opmask01=0000000000000000 Opmask02=0000000000000007 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 00007fffe3324c90 00007fffe3324c70 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffe3324dd0 00007fffe3324c50 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f5018acefe4 00007f5018ae2260 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffe3324c90 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffe3324dd0 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffe3324dd0 00007fffe3324c50 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffe3324c90 00007fffe3324c70 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 0000000000000000 0000000000000000 0000000000000000 0000000000666475 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000002c65 6469686e752c3130 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6c65646e752c3430 3032303030303030 3030303030303030 30303030303d6564 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3030303030303030 3030303030303030 30303d6e6f697469 747261702c657465 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