Warning: Permanently added '10.128.1.192' (ED25519) to the list of known hosts. executing program [ 65.165778][ T5823] loop0: detected capacity change from 0 to 1024 [ 65.209775][ T5823] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 65.224611][ T29] audit: type=1800 audit(1730423436.219:2): pid=5823 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor562" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 65.227200][ T5828] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 65.262458][ T5823] ------------[ cut here ]------------ [ 65.268149][ T5823] WARNING: CPU: 0 PID: 5823 at fs/ext4/inode.c:3389 ext4_iomap_begin+0xaa2/0xd30 [ 65.277371][ T5823] Modules linked in: [ 65.281310][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor562 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 [ 65.292584][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.302728][ T5823] RIP: 0010:ext4_iomap_begin+0xaa2/0xd30 [ 65.308387][ T5823] Code: 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 48 f2 37 ff 49 be 00 00 00 00 00 fc ff df 48 8b 5c 24 48 e9 61 ff ff ff e8 2f f2 37 ff 90 <0f> 0b 90 41 bc de ff ff ff e9 87 f6 ff ff 89 d9 80 e1 07 38 c1 0f [ 65.328109][ T5823] RSP: 0018:ffffc90003ee7560 EFLAGS: 00010293 [ 65.334238][ T5823] RAX: ffffffff825ce791 RBX: 0000000010000000 RCX: ffff888031505a00 [ 65.342233][ T5823] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000 [ 65.350285][ T5823] RBP: ffffc90003ee76d0 R08: ffffffff825cded8 R09: 1ffff1100f18b778 [ 65.358326][ T5823] R10: dffffc0000000000 R11: ffffed100f18b779 R12: 00000000000000d4 [ 65.366376][ T5823] R13: 1ffff1100f18b7dc R14: 000000000000000a R15: 0000000000000000 [ 65.374432][ T5823] FS: 00007f00ef14c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.383447][ T5823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.390043][ T5823] CR2: 0000000020000040 CR3: 0000000077f60000 CR4: 00000000003526f0 [ 65.398071][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.406092][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.414104][ T5823] Call Trace: [ 65.417399][ T5823] <TASK> [ 65.420321][ T5823] ? __warn+0x168/0x4e0 [ 65.424547][ T5823] ? ext4_iomap_begin+0xaa2/0xd30 [ 65.429589][ T5823] ? report_bug+0x2b3/0x500 [ 65.434147][ T5823] ? ext4_iomap_begin+0xaa2/0xd30 [ 65.439186][ T5823] ? handle_bug+0x60/0x90 [ 65.443573][ T5823] ? exc_invalid_op+0x1a/0x50 [ 65.448261][ T5823] ? asm_exc_invalid_op+0x1a/0x20 [ 65.453334][ T5823] ? ext4_iomap_begin+0x1e8/0xd30 [ 65.458379][ T5823] ? ext4_iomap_begin+0xaa1/0xd30 [ 65.463477][ T5823] ? ext4_iomap_begin+0xaa2/0xd30 [ 65.468526][ T5823] ? __pfx_ext4_iomap_begin+0x10/0x10 [ 65.473950][ T5823] ? __pfx_ext4_iomap_begin+0x10/0x10 [ 65.479339][ T5823] iomap_iter+0x691/0xf60 [ 65.483758][ T5823] ? blk_start_plug+0x70/0x1b0 [ 65.488637][ T5823] __iomap_dio_rw+0xdea/0x2370 [ 65.493452][ T5823] ? __ext4_handle_dirty_metadata+0x301/0x820 [ 65.499569][ T5823] ? __ext4_mark_inode_dirty+0x5b2/0x880 [ 65.505274][ T5823] ? __pfx___iomap_dio_rw+0x10/0x10 [ 65.510502][ T5823] ? __pfx___might_resched+0x10/0x10 [ 65.515867][ T5823] ? __pfx_ext4_orphan_add+0x10/0x10 [ 65.521173][ T5823] iomap_dio_rw+0x46/0xa0 [ 65.525575][ T5823] ext4_file_write_iter+0x15f0/0x1a20 [ 65.531064][ T5823] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 65.536838][ T5823] vfs_write+0xaeb/0xd30 [ 65.541096][ T5823] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 65.546891][ T5823] ? __pfx_vfs_write+0x10/0x10 [ 65.551679][ T5823] ? fdget_pos+0x24e/0x320 [ 65.556138][ T5823] ksys_write+0x183/0x2b0 [ 65.560494][ T5823] ? __pfx_ksys_write+0x10/0x10 [ 65.565446][ T5823] ? exc_page_fault+0x590/0x8c0 [ 65.570311][ T5823] ? do_syscall_64+0xb6/0x230 [ 65.575041][ T5823] do_syscall_64+0xf3/0x230 [ 65.579561][ T5823] ? clear_bhb_loop+0x35/0x90 [ 65.584327][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.590233][ T5823] RIP: 0033:0x7f00ef195cb9 [ 65.594695][ T5823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 [ 65.614390][ T5823] RSP: 002b:00007f00ef14c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.622878][ T5823] RAX: ffffffffffffffda RBX: 00007f00ef21e608 RCX: 00007f00ef195cb9 [ 65.630879][ T5823] RDX: 0000000000001006 RSI: 0000000020006c00 RDI: 0000000000000004 [ 65.638931][ T5823] RBP: 00007f00ef21e600 R08: 00007f00ef14c6c0 R09: 0000000000000000 [ 65.646941][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f00ef21e60c [ 65.654970][ T5823] R13: 0000000000000006 R14: 00007ffee8483890 R15: 00007ffee8483978 [ 65.663001][ T5823] </TASK> [ 65.666023][ T5823] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 65.673324][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor562 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 [ 65.684424][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.694469][ T5823] Call Trace: [ 65.697736][ T5823] <TASK> [ 65.700653][ T5823] dump_stack_lvl+0x241/0x360 [ 65.705321][ T5823] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.710506][ T5823] ? __pfx__printk+0x10/0x10 [ 65.715088][ T5823] ? vscnprintf+0x5d/0x90 [ 65.719413][ T5823] panic+0x349/0x880 [ 65.723307][ T5823] ? __warn+0x177/0x4e0 [ 65.727449][ T5823] ? __pfx_panic+0x10/0x10 [ 65.731862][ T5823] __warn+0x34b/0x4e0 [ 65.735833][ T5823] ? ext4_iomap_begin+0xaa2/0xd30 [ 65.740850][ T5823] report_bug+0x2b3/0x500 [ 65.745183][ T5823] ? ext4_iomap_begin+0xaa2/0xd30 [ 65.750210][ T5823] handle_bug+0x60/0x90 [ 65.754363][ T5823] exc_invalid_op+0x1a/0x50 [ 65.758864][ T5823] asm_exc_invalid_op+0x1a/0x20 [ 65.763710][ T5823] RIP: 0010:ext4_iomap_begin+0xaa2/0xd30 [ 65.769337][ T5823] Code: 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 48 f2 37 ff 49 be 00 00 00 00 00 fc ff df 48 8b 5c 24 48 e9 61 ff ff ff e8 2f f2 37 ff 90 <0f> 0b 90 41 bc de ff ff ff e9 87 f6 ff ff 89 d9 80 e1 07 38 c1 0f [ 65.788934][ T5823] RSP: 0018:ffffc90003ee7560 EFLAGS: 00010293 [ 65.794998][ T5823] RAX: ffffffff825ce791 RBX: 0000000010000000 RCX: ffff888031505a00 [ 65.802960][ T5823] RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000 [ 65.811009][ T5823] RBP: ffffc90003ee76d0 R08: ffffffff825cded8 R09: 1ffff1100f18b778 [ 65.818970][ T5823] R10: dffffc0000000000 R11: ffffed100f18b779 R12: 00000000000000d4 [ 65.826937][ T5823] R13: 1ffff1100f18b7dc R14: 000000000000000a R15: 0000000000000000 [ 65.835337][ T5823] ? ext4_iomap_begin+0x1e8/0xd30 [ 65.840359][ T5823] ? ext4_iomap_begin+0xaa1/0xd30 [ 65.845429][ T5823] ? __pfx_ext4_iomap_begin+0x10/0x10 [ 65.850803][ T5823] ? __pfx_ext4_iomap_begin+0x10/0x10 [ 65.856167][ T5823] iomap_iter+0x691/0xf60 [ 65.860496][ T5823] ? blk_start_plug+0x70/0x1b0 [ 65.865255][ T5823] __iomap_dio_rw+0xdea/0x2370 [ 65.870008][ T5823] ? __ext4_handle_dirty_metadata+0x301/0x820 [ 65.876091][ T5823] ? __ext4_mark_inode_dirty+0x5b2/0x880 [ 65.881717][ T5823] ? __pfx___iomap_dio_rw+0x10/0x10 [ 65.886925][ T5823] ? __pfx___might_resched+0x10/0x10 [ 65.892214][ T5823] ? __pfx_ext4_orphan_add+0x10/0x10 [ 65.897498][ T5823] iomap_dio_rw+0x46/0xa0 [ 65.901821][ T5823] ext4_file_write_iter+0x15f0/0x1a20 [ 65.907203][ T5823] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 65.912927][ T5823] vfs_write+0xaeb/0xd30 [ 65.917166][ T5823] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 65.922878][ T5823] ? __pfx_vfs_write+0x10/0x10 [ 65.927648][ T5823] ? fdget_pos+0x24e/0x320 [ 65.932063][ T5823] ksys_write+0x183/0x2b0 [ 65.936393][ T5823] ? __pfx_ksys_write+0x10/0x10 [ 65.941236][ T5823] ? exc_page_fault+0x590/0x8c0 [ 65.946082][ T5823] ? do_syscall_64+0xb6/0x230 [ 65.950753][ T5823] do_syscall_64+0xf3/0x230 [ 65.955252][ T5823] ? clear_bhb_loop+0x35/0x90 [ 65.959924][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.965810][ T5823] RIP: 0033:0x7f00ef195cb9 [ 65.970215][ T5823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 [ 65.989829][ T5823] RSP: 002b:00007f00ef14c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.998253][ T5823] RAX: ffffffffffffffda RBX: 00007f00ef21e608 RCX: 00007f00ef195cb9 [ 66.006222][ T5823] RDX: 0000000000001006 RSI: 0000000020006c00 RDI: 0000000000000004 [ 66.014186][ T5823] RBP: 00007f00ef21e600 R08: 00007f00ef14c6c0 R09: 0000000000000000 [ 66.022173][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f00ef21e60c [ 66.030157][ T5823] R13: 0000000000000006 R14: 00007ffee8483890 R15: 00007ffee8483978 [ 66.038141][ T5823] </TASK> [ 66.041396][ T5823] Kernel Offset: disabled [ 66.045748][ T5823] Rebooting in 86400 seconds..