loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=lz4,wide_macs,nochanges,read_only,reconstruct_alloc allowing incompatible features above 0.0: (unknown version) 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 1.25: extent_flags 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): invalid bkey in btree_node btree=extents level=0: u64s 18 type inline_data 536870914:0:U32_MAX len 8 ver 0: datalen 104: 73797a6b616c6c657273797a6b616c6c657273797a6b616c6c657273797a6b61 size greater than offset (8 > 0), deleting bcachefs (loop0): bcachefs (loop0): error validating btree node at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/16 bset u64s 47 bset byte offset 352: key extends past end of bset, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=extents level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... done bcachefs (loop0): sb invalid before write: Invalid superblock section journal_v2: journal bucket at sector 0 journal_v2 (size 40): Buckets: 0-9 7-31 bcachefs (loop0): going read-write bcachefs (loop0): sb invalid before write: Invalid superblock section journal_v2: journal bucket at sector 0 journal_v2 (size 40): Buckets: 0-9 7-31 bcachefs (loop0): flushing journal and stopping allocators, journal seq 10 bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 10 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal.c:413! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:journal_entry_open fs/bcachefs/journal.c:413 [inline] RIP: 0010:__journal_res_get+0x2524/0x2830 fs/bcachefs/journal.c:616 Code: e8 c1 6e 44 fd bb f5 f6 ff ff e9 f4 fe ff ff e8 d2 51 b1 07 e8 ad 6e 44 fd 90 0f 0b e8 a5 6e 44 fd 90 0f 0b e8 9d 6e 44 fd 90 <0f> 0b e8 95 6e 44 fd 90 0f 0b e8 8d 6e 44 fd 90 0f 0b e8 85 6e 44 RSP: 0018:ffffc9000d58eb80 EFLAGS: 00010293 RAX: ffffffff847e4e83 RBX: 0000000000000000 RCX: ffff88801e37a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000d58ee50 R08: ffffffff847e389d R09: 1ffff1100a6c94f6 R10: dffffc0000000000 R11: ffffed100a6c94f7 R12: ffff88805364a648 R13: 1ffff1100a6c94ff R14: ffff888054c20000 R15: ffff88805364a7b0 FS: 00007fe17212a6c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a87d464078 CR3: 0000000040d88000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_journal_res_get_slowpath+0xe2/0xc40 fs/bcachefs/journal.c:710 bch2_journal_res_get+0x168/0x210 fs/bcachefs/journal.h:401 __bch2_journal_meta+0x94/0x290 fs/bcachefs/journal.c:955 bch2_fs_journal_stop+0x1e3/0x450 fs/bcachefs/journal.c:1366 __bch2_fs_read_only+0x327/0x4b0 fs/bcachefs/super.c:285 __bch2_fs_read_write+0x28d/0x3c0 fs/bcachefs/super.c:522 bch2_fs_read_write_early+0x2b/0x40 fs/bcachefs/super.c:541 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:285 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1065 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3881 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe17138f90a 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:00007fe172129e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe172129ef0 RCX: 00007fe17138f90a RDX: 00002000000000c0 RSI: 0000200000000040 RDI: 00007fe172129eb0 RBP: 00002000000000c0 R08: 00007fe172129ef0 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 0000200000000040 R13: 00007fe172129eb0 R14: 00000000000058d4 R15: 0000200000000100 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:journal_entry_open fs/bcachefs/journal.c:413 [inline] RIP: 0010:__journal_res_get+0x2524/0x2830 fs/bcachefs/journal.c:616 Code: e8 c1 6e 44 fd bb f5 f6 ff ff e9 f4 fe ff ff e8 d2 51 b1 07 e8 ad 6e 44 fd 90 0f 0b e8 a5 6e 44 fd 90 0f 0b e8 9d 6e 44 fd 90 <0f> 0b e8 95 6e 44 fd 90 0f 0b e8 8d 6e 44 fd 90 0f 0b e8 85 6e 44 RSP: 0018:ffffc9000d58eb80 EFLAGS: 00010293 RAX: ffffffff847e4e83 RBX: 0000000000000000 RCX: ffff88801e37a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000d58ee50 R08: ffffffff847e389d R09: 1ffff1100a6c94f6 R10: dffffc0000000000 R11: ffffed100a6c94f7 R12: ffff88805364a648 R13: 1ffff1100a6c94ff R14: ffff888054c20000 R15: ffff88805364a7b0 FS: 00007fe17212a6c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a87d464078 CR3: 0000000040d88000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400