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 ======================================================= 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. ======================================================= loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow,no_data_io bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.20: directory_size running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance bcachefs (loop0): dropping and reconstructing all alloc info bcachefs (loop0): error validating btree node on loop0 at btree xattrs level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 node offset 0/16 bset u64s 60928: bset past end of btree node (offset 0 len 960 but written 16), exiting bcachefs (loop0): Unable to continue, halting bcachefs (loop0): flagging btree xattrs lost data bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) error reading btree root btree=xattrs level=0: btree_node_read_error, fixing invalid bkey in btree_node btree=subvolumes level=0: u64s 7 type subvolume 0:1:0 len 0 ver 0: root 4096 snapshot id 0 invalid snapshot: delete?, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 7 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root xattrs unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 960 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 Topology repair: unreadable btree node at btree=xattrs level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 960 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing empty interior btree node at btree=xattrs level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root xattrs done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): done starting filesystem bcachefs (loop0): missing subvolume 1 bcachefs (loop0): inconsistency detected - emergency read only at journal seq 10 bcachefs (loop0): bch2_fs_get_tree(): error mounting: error getting root inode ENOENT_bkey_type_mismatch bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete BUG: kernel NULL pointer dereference, address: 0000000000000008 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted 6.14.0-rc4-syzkaller-00278-gece144f151ac #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:qlink_to_cache mm/kasan/quarantine.c:131 [inline] RIP: 0010:qlist_move_cache+0xa7/0x140 mm/kasan/quarantine.c:303 Code: c0 48 8b 4c 05 08 f6 c1 01 0f 85 8e 00 00 00 48 01 e8 66 90 0f b6 48 33 c1 e1 18 81 f9 00 00 00 f5 b9 00 00 00 00 48 0f 45 c1 <48> 8b 40 08 4c 39 f8 74 31 49 83 3c 24 00 8b 40 18 48 8b 4c 24 18 RSP: 0018:ffffc9000d2bf780 EFLAGS: 00010006 RAX: 0000000000000000 RBX: ffffffff8225c572 RCX: 0000000000000000 RDX: ffffc9000f039000 RSI: 000000000006b198 RDI: 000000000006b199 RBP: ffffea0000000000 R08: ffffffff816eac95 R09: fffff52001a57ed8 R10: dffffc0000000000 R11: fffff52001a57ed8 R12: ffffffff9a6b6ce0 R13: 000082840fed8548 R14: ffffc9000d2bf7d8 R15: ffff888034d41b40 FS: 00007f7850f276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000004097c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_quarantine_remove_cache+0x10b/0x180 mm/kasan/quarantine.c:370 kmem_cache_destroy+0x6e/0x160 mm/slab_common.c:528 bio_put_slab block/bio.c:155 [inline] bioset_exit+0x54e/0x650 block/bio.c:1662 bch2_fs_fs_io_direct_exit+0x19/0x30 fs/bcachefs/fs-io-direct.c:676 __bch2_fs_free fs/bcachefs/super.c:558 [inline] bch2_fs_release+0x1a9/0x7b0 fs/bcachefs/super.c:624 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 deactivate_locked_super+0xc4/0x130 fs/super.c:473 bch2_fs_get_tree+0xd42/0x17a0 fs/bcachefs/fs.c:2304 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7f785018e90a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f7850f26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7850f26ef0 RCX: 00007f785018e90a RDX: 00004000000058c0 RSI: 0000400000005900 RDI: 00007f7850f26eb0 RBP: 00004000000058c0 R08: 00007f7850f26ef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000400000005900 R13: 00007f7850f26eb0 R14: 0000000000005912 R15: 00004000000001c0 Modules linked in: CR2: 0000000000000008 ---[ end trace 0000000000000000 ]--- RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:131 [inline] RIP: 0010:qlist_move_cache+0xa7/0x140 mm/kasan/quarantine.c:303 Code: c0 48 8b 4c 05 08 f6 c1 01 0f 85 8e 00 00 00 48 01 e8 66 90 0f b6 48 33 c1 e1 18 81 f9 00 00 00 f5 b9 00 00 00 00 48 0f 45 c1 <48> 8b 40 08 4c 39 f8 74 31 49 83 3c 24 00 8b 40 18 48 8b 4c 24 18 RSP: 0018:ffffc9000d2bf780 EFLAGS: 00010006 RAX: 0000000000000000 RBX: ffffffff8225c572 RCX: 0000000000000000 RDX: ffffc9000f039000 RSI: 000000000006b198 RDI: 000000000006b199 RBP: ffffea0000000000 R08: ffffffff816eac95 R09: fffff52001a57ed8 R10: dffffc0000000000 R11: fffff52001a57ed8 R12: ffffffff9a6b6ce0 R13: 000082840fed8548 R14: ffffc9000d2bf7d8 R15: ffff888034d41b40 FS: 00007f7850f276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000004097c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c0 48 8b 4c rorb $0x4c,-0x75(%rax) 4: 05 08 f6 c1 01 add $0x1c1f608,%eax 9: 0f 85 8e 00 00 00 jne 0x9d f: 48 01 e8 add %rbp,%rax 12: 66 90 xchg %ax,%ax 14: 0f b6 48 33 movzbl 0x33(%rax),%ecx 18: c1 e1 18 shl $0x18,%ecx 1b: 81 f9 00 00 00 f5 cmp $0xf5000000,%ecx 21: b9 00 00 00 00 mov $0x0,%ecx 26: 48 0f 45 c1 cmovne %rcx,%rax * 2a: 48 8b 40 08 mov 0x8(%rax),%rax <-- trapping instruction 2e: 4c 39 f8 cmp %r15,%rax 31: 74 31 je 0x64 33: 49 83 3c 24 00 cmpq $0x0,(%r12) 38: 8b 40 18 mov 0x18(%rax),%eax 3b: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx