bcachefs (loop0): check_snapshot_trees... done bcachefs (loop0): check_snapshots... snapshot points to missing/incorrect tree: u64s 8 type snapshot 0:4294967295:0 len 0 ver 0: is_subvol 1 deleted 0 parent 0 children 0 0 subvol 1 tree 0, fixing done bcachefs (loop0): check_subvols... subvolume 1 points to missing subvolume root 4096:4294967295, exiting bcachefs (loop0): Unable to continue, halting bcachefs (loop0): bch2_check_subvols(): error fsck_errors_not_fixed bcachefs (loop0): bch2_fs_recovery(): error fsck_errors_not_fixed bcachefs (loop0): bch2_fs_start(): error starting filesystem fsck_errors_not_fixed bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete bcachefs: bch2_fs_get_tree() error: fsck_errors_not_fixed loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. loop0: detected capacity change from 32768 to 0 Aborting journal on device loop0-75. syz.0.0: attempt to access beyond end of device loop0: rw=38913, sector=640, nr_sectors = 1 limit=0 Buffer I/O error on dev loop0, logical block 640, lost sync page write JBD2: I/O error when updating journal superblock for loop0-75. (syz.0.0,5319,0):__ocfs2_journal_access:705 ERROR: Error -5 getting 1 access to buffer! (syz.0.0,5319,0):ocfs2_journal_access_path:751 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_truncate_rec:5443 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_remove_extent:5584 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_remove_btree_range:5772 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_commit_trans:382 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_commit_truncate:7368 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_truncate_file:511 ERROR: status = -5 (syz.0.0,5319,0):ocfs2_setattr:1217 ERROR: status = -5 loop0: detected capacity change from 0 to 32767 OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #65: signature = E01 On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: File system is now read-only. (syz.0.0,5319,0):ocfs2_assign_bh:2417 ERROR: status = -30 (syz.0.0,5319,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30 (syz.0.0,5319,0):ocfs2_unlink:912 ERROR: status = -30 OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #17059: signature = On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. (syz.0.0,5319,0):ocfs2_assign_bh:2417 ERROR: status = -30 (syz.0.0,5319,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30 (syz.0.0,5319,0):ocfs2_prepare_inode_for_write:2273 ERROR: status = -30 (syz.0.0,5319,0):ocfs2_file_write_iter:2454 ERROR: status = -30 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:804! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.14.0-rc5-syzkaller-00013-g99fa936e8e4f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ocfs2_reserve_suballoc_bits+0x4798/0x4e70 fs/ocfs2/suballoc.c:804 Code: e1 07 80 c1 03 38 c1 0f 8c 75 dd ff ff 48 8d bc 24 b0 01 00 00 e8 68 5d 62 fe e9 63 dd ff ff e8 4e cf 41 08 e8 49 21 fb fd 90 <0f> 0b e8 41 21 fb fd 48 c7 c7 80 04 04 8f 48 8b 74 24 20 48 89 da RSP: 0018:ffffc9000d25e3a0 EFLAGS: 00010287 RAX: ffffffff83c69dd7 RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e73a000 RSI: 0000000000001a68 RDI: 0000000000001a69 RBP: ffffc9000d25e890 R08: ffffffff83c658b5 R09: 1ffffffff2079e2e R10: dffffc0000000000 R11: fffffbfff2079e2f R12: 1ffff92001a4bcf4 R13: ffff88801219b580 R14: ffff8880119dae00 R15: dffffc0000000000 FS: 00007fbe54fac6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe481ff800 CR3: 0000000043a36000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1132 [inline] ocfs2_reserve_clusters_with_limit+0x3dd/0xb60 fs/ocfs2/suballoc.c:1177 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:674 [inline] ocfs2_reserve_suballoc_bits+0x9d6/0x4e70 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 fs/ocfs2/suballoc.c:982 ocfs2_reserve_new_metadata fs/ocfs2/suballoc.c:1025 [inline] ocfs2_lock_allocators+0x2a9/0x630 fs/ocfs2/suballoc.c:2735 ocfs2_write_begin_nolock+0x28fe/0x4e40 fs/ocfs2/aops.c:1725 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1889 generic_perform_write+0x346/0x990 mm/filemap.c:4189 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe5418d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe54fac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbe543a5fa0 RCX: 00007fbe5418d169 RDX: 0000000000000067 RSI: 0000400000000340 RDI: 0000000000000004 RBP: 00007fbe5420e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbe543a5fa0 R15: 00007ffc39fff128 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_reserve_suballoc_bits+0x4798/0x4e70 fs/ocfs2/suballoc.c:804 Code: e1 07 80 c1 03 38 c1 0f 8c 75 dd ff ff 48 8d bc 24 b0 01 00 00 e8 68 5d 62 fe e9 63 dd ff ff e8 4e cf 41 08 e8 49 21 fb fd 90 <0f> 0b e8 41 21 fb fd 48 c7 c7 80 04 04 8f 48 8b 74 24 20 48 89 da RSP: 0018:ffffc9000d25e3a0 EFLAGS: 00010287 RAX: ffffffff83c69dd7 RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e73a000 RSI: 0000000000001a68 RDI: 0000000000001a69 RBP: ffffc9000d25e890 R08: ffffffff83c658b5 R09: 1ffffffff2079e2e R10: dffffc0000000000 R11: fffffbfff2079e2f R12: 1ffff92001a4bcf4 R13: ffff88801219b580 R14: ffff8880119dae00 R15: dffffc0000000000 FS: 00007fbe54fac6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe481ff800 CR3: 0000000043a36000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400