Warning: Permanently added '[localhost]:1396' (ED25519) to the list of known hosts. executing program [ 69.404468][ T5313] loop0: detected capacity change from 0 to 2048 [ 69.436299][ T5313] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 69.447963][ T24] audit: type=1800 audit(1730041660.741:2): pid=5313 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor288" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 69.459219][ T5318] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.467524][ T24] audit: type=1800 audit(1730041660.751:3): pid=5313 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor288" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 69.477523][ T5318] ------------[ cut here ]------------ [ 69.479646][ T5318] kernel BUG at fs/ext4/inode.c:2609! [ 69.481519][ T5318] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 69.485033][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz-executor288 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 [ 69.488719][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.492659][ T5318] RIP: 0010:ext4_do_writepages+0x3d16/0x3d20 [ 69.495051][ T5318] Code: b0 8e 4c 89 f2 e8 7a a7 95 02 e9 ab fb ff ff e8 90 db 34 ff 90 0f 0b e8 88 db 34 ff 90 0f 0b e8 c0 e7 66 09 e8 7b db 34 ff 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 [ 69.501407][ T5318] RSP: 0018:ffffc9000d067060 EFLAGS: 00010293 [ 69.503793][ T5318] RAX: ffffffff82600ef5 RBX: 0000004000000000 RCX: ffff88801f8ca440 [ 69.506816][ T5318] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 69.509684][ T5318] RBP: ffffc9000d067470 R08: ffffffff825fd6f3 R09: 1ffff11008e344fe [ 69.512648][ T5318] R10: dffffc0000000000 R11: ffffed1008e344ff R12: 0000000000000001 [ 69.515650][ T5318] R13: 0000000000400040 R14: 0000004210000000 R15: ffff8880471a2a50 [ 69.518586][ T5318] FS: 00007f9a05db46c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 69.521718][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.524115][ T5318] CR2: 0000000020000301 CR3: 00000000437d2000 CR4: 0000000000352ef0 [ 69.526804][ T5318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.529819][ T5318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.532751][ T5318] Call Trace: [ 69.534057][ T5318] [ 69.535280][ T5318] ? __die_body+0x5f/0xb0 [ 69.536842][ T5318] ? die+0x9e/0xc0 [ 69.538298][ T5318] ? do_trap+0x15a/0x3a0 [ 69.539692][ T5318] ? ext4_do_writepages+0x3d16/0x3d20 [ 69.541813][ T5318] ? do_error_trap+0x1dc/0x2c0 [ 69.543705][ T5318] ? ext4_do_writepages+0x3d16/0x3d20 [ 69.545825][ T5318] ? __pfx_do_error_trap+0x10/0x10 [ 69.547783][ T5318] ? handle_invalid_op+0x34/0x40 [ 69.549714][ T5318] ? ext4_do_writepages+0x3d16/0x3d20 [ 69.551738][ T5318] ? exc_invalid_op+0x38/0x50 [ 69.553537][ T5318] ? asm_exc_invalid_op+0x1a/0x20 [ 69.555408][ T5318] ? ext4_do_writepages+0x513/0x3d20 [ 69.557342][ T5318] ? ext4_do_writepages+0x3d15/0x3d20 [ 69.559379][ T5318] ? ext4_do_writepages+0x3d16/0x3d20 [ 69.561303][ T5318] ? register_lock_class+0x102/0x980 [ 69.563258][ T5318] ? __pfx_register_lock_class+0x10/0x10 [ 69.565232][ T5318] ? __pfx_lockdep_unlock+0x10/0x10 [ 69.567229][ T5318] ? mark_lock+0x9a/0x360 [ 69.568777][ T5318] ? __pfx_ext4_do_writepages+0x10/0x10 [ 69.570845][ T5318] ? rcu_read_lock_any_held+0xb7/0x160 [ 69.572748][ T5318] ext4_writepages+0x213/0x3c0 [ 69.574599][ T5318] ? __pfx_ext4_writepages+0x10/0x10 [ 69.576624][ T5318] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.578636][ T5318] ? __pfx_ext4_writepages+0x10/0x10 [ 69.580646][ T5318] do_writepages+0x35d/0x870 [ 69.582471][ T5318] ? __pfx_do_writepages+0x10/0x10 [ 69.584413][ T5318] ? wbc_attach_and_unlock_inode+0x317/0x580 [ 69.586846][ T5318] ? __pfx_lock_release+0x10/0x10 [ 69.588765][ T5318] ? __ext4_mark_inode_dirty+0x5b2/0x880 [ 69.590896][ T5318] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.592642][ T5318] ? wbc_attach_and_unlock_inode+0x369/0x580 [ 69.594752][ T5318] filemap_fdatawrite_wbc+0x125/0x180 [ 69.596734][ T5318] file_write_and_wait_range+0x195/0x280 [ 69.598811][ T5318] ? rcu_is_watching+0x15/0xb0 [ 69.600486][ T5318] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 69.602664][ T5318] ? up_write+0x1a9/0x590 [ 69.604273][ T5318] generic_buffers_fsync_noflush+0x71/0x180 [ 69.606513][ T5318] ext4_sync_file+0x40a/0xb90 [ 69.608291][ T5318] ext4_buffered_write_iter+0x284/0x350 [ 69.610575][ T5318] ext4_file_write_iter+0x1dd/0x1a20 [ 69.612519][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 69.614709][ T5318] vfs_write+0xaeb/0xd30 [ 69.616392][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 69.618533][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 69.620308][ T5318] ? fdget_pos+0x24e/0x320 [ 69.621901][ T5318] ksys_write+0x183/0x2b0 [ 69.623575][ T5318] ? __pfx_ksys_write+0x10/0x10 [ 69.625352][ T5318] ? exc_page_fault+0x590/0x8c0 [ 69.627224][ T5318] ? do_syscall_64+0xb6/0x230 [ 69.628937][ T5318] do_syscall_64+0xf3/0x230 [ 69.630704][ T5318] ? clear_bhb_loop+0x35/0x90 [ 69.632404][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.634570][ T5318] RIP: 0033:0x7f9a05e1d889 [ 69.636195][ 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 b0 ff ff ff f7 d8 64 89 01 48 [ 69.643117][ T5318] RSP: 002b:00007f9a05db4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.646198][ T5318] RAX: ffffffffffffffda RBX: 00007f9a05ea56d8 RCX: 00007f9a05e1d889 [ 69.649405][ T5318] RDX: 000000000000001c RSI: 0000000020000300 RDI: 0000000000000004 [ 69.652607][ T5318] RBP: 00007f9a05ea56d0 R08: 00007f9a05ea56d0 R09: 0000000000000000 [ 69.655865][ T5318] R10: 00007f9a05db4170 R11: 0000000000000246 R12: 00007f9a05ea56dc [ 69.659174][ T5318] R13: 0000000000000000 R14: 00007ffc72438fb0 R15: 00007ffc72439098 [ 69.662343][ T5318] [ 69.663642][ T5318] Modules linked in: [ 69.665447][ T5318] ---[ end trace 0000000000000000 ]--- [ 69.673290][ T5318] RIP: 0010:ext4_do_writepages+0x3d16/0x3d20 [ 69.675761][ T5318] Code: b0 8e 4c 89 f2 e8 7a a7 95 02 e9 ab fb ff ff e8 90 db 34 ff 90 0f 0b e8 88 db 34 ff 90 0f 0b e8 c0 e7 66 09 e8 7b db 34 ff 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 [ 69.683155][ T5318] RSP: 0018:ffffc9000d067060 EFLAGS: 00010293 [ 69.685913][ T5318] RAX: ffffffff82600ef5 RBX: 0000004000000000 RCX: ffff88801f8ca440 [ 69.688416][ T5318] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 69.691140][ T5318] RBP: ffffc9000d067470 R08: ffffffff825fd6f3 R09: 1ffff11008e344fe [ 69.693963][ T5318] R10: dffffc0000000000 R11: ffffed1008e344ff R12: 0000000000000001 [ 69.696930][ T5318] R13: 0000000000400040 R14: 0000004210000000 R15: ffff8880471a2a50 [ 69.699704][ T5318] FS: 00007f9a05db46c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 69.703181][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.705995][ T5318] CR2: 0000000020000301 CR3: 00000000437d2000 CR4: 0000000000352ef0 [ 69.708812][ T5318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.711783][ T5318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.714831][ T5318] Kernel panic - not syncing: Fatal exception [ 69.717290][ T5318] Kernel Offset: disabled [ 69.718760][ T5318] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:07:40 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e3160 RBX=ffffffff9a718e80 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d066718 R8 =ffffffff854abca6 R9 =1ffff11003d76046 R10=dffffc0000000000 R11=ffffffff854abc60 R12=dffffc0000000000 R13=ffffffff9a413f20 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff854abcd6 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 00007f9a05db46c0 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=0000000020000301 CR3=00000000437d2000 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=0000000000000000 Opmask01=0000000000000000 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 0000000000000000 0000000000000000 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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