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=gzip,metadata_target=/dev/loop0,noinodes_use_key_cache,journal_flush_disabled,fsck,fix_errors=yes,nojournal_transaction_names allowing incompatible features above 0.0: (unknown version) features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 bcachefs (loop0): invalid bkey in superblock btree=snapshots level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 invalid key type for btree snapshots (btree_ptr_v2), deleting bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade required: Version upgrade from 0.32: (unknown version) to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.32: (unknown version) to 1.28: inode_has_case_insensitive running recovery passes: check_allocations,check_extents_to_backpointers,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance bcachefs (loop0): btree node read error at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 65535 min_key R 0:0:U32_MAX durability: 1 ptr: 0:27:0 gen 0 loop0 node offset 0/65535 bset u64s 0: checksum error, type chacha20_poly1305_128: got 082b085585d8bdaff2854264ff7d48c1 should be 4849a9299ac638582c26c44810253ce1 loop0 node offset 16/65535: btree node data missing: expected 65535 sectors, found 16 loop0 btree validate error repair success (rewriting node) bcachefs (loop0): btree node read error at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 loop0 node offset 8/40 bset u64s 375: checksum error, type chacha20_poly1305_128: got a978e90f7b45eab5d7861433965d2830 should be 61ec379a8789477e76ff1a5280fd6dbd loop0 node offset 24/40 bset u64s 10: checksum error, type chacha20_poly1305_128: got faa1a153ba00f525ca6b204551f5191d should be eca0b87f8a1bd5d855d98c80b1d5305e loop0 btree validate error repair success (rewriting node) bcachefs (loop0): btree node read error at btree freespace level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq b6c44d07df4e9bb7 written 48 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 loop0 node offset 16/48 bset u64s 13: checksum error, type chacha20_poly1305_128: got 28132b0e1478d9fb2ec55924d3374849 should be b35a96366a1c7a8864f97b48c7916605 node offset 16/48 bset u64s 13 bset byte offset 120: invalid bkey format 26 loop0 btree validate error repair success (rewriting node) bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:633! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-09014-gd6084bb815c4 #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:bch2_btree_path_level_init+0x9f9/0xa20 fs/bcachefs/btree_iter.c:633 Code: 91 fb ff ff e8 18 9a 99 fd 90 0f 0b e8 10 9a 99 fd 90 0f 0b e8 08 9a 99 fd 90 0f 0b e8 00 9a 99 fd 90 0f 0b e8 f8 99 99 fd 90 <0f> 0b e8 f0 99 99 fd 90 0f 0b e8 e8 99 99 fd 90 0f 0b e8 e0 99 99 RSP: 0018:ffffc9000d4b64a0 EFLAGS: 00010287 RAX: ffffffff84260438 RBX: ffff888052fac360 RCX: 0000000000100000 RDX: ffffc9000dd1a000 RSI: 000000000006dc11 RDI: 000000000006dc12 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a96c88 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffff FS: 00007f0c0a92d6c0(0000) GS:ffff88808d26b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2c7a651000 CR3: 0000000034858000 CR4: 0000000000352ef0 Call Trace: btree_path_lock_root fs/bcachefs/btree_iter.c:787 [inline] bch2_btree_path_traverse_one+0xfec/0x21d0 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:250 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2267 [inline] bch2_btree_iter_peek_max+0x9e8/0x58f0 fs/bcachefs/btree_iter.c:2384 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:743 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:729 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:792 [inline] bch2_check_allocations+0x120d/0x57b0 fs/bcachefs/btree_gc.c:1094 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:484 [inline] __bch2_run_recovery_passes+0x395/0x1010 fs/bcachefs/recovery_passes.c:539 bch2_run_recovery_passes+0x184/0x210 fs/bcachefs/recovery_passes.c:610 bch2_fs_recovery+0x2690/0x3a50 fs/bcachefs/recovery.c:1016 bch2_fs_start+0xaaf/0xda0 fs/bcachefs/super.c:1213 bch2_fs_get_tree+0xb39/0x1520 fs/bcachefs/fs.c:2488 vfs_get_tree+0x8f/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3805 do_mount fs/namespace.c:4133 [inline] __do_sys_mount fs/namespace.c:4344 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4321 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0c09b9030a 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:00007f0c0a92ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f0c0a92cef0 RCX: 00007f0c09b9030a RDX: 000020000000f640 RSI: 000020000000f680 RDI: 00007f0c0a92ceb0 RBP: 000020000000f640 R08: 00007f0c0a92cef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000020000000f680 R13: 00007f0c0a92ceb0 R14: 000000000000f63c R15: 0000200000000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9f9/0xa20 fs/bcachefs/btree_iter.c:633 Code: 91 fb ff ff e8 18 9a 99 fd 90 0f 0b e8 10 9a 99 fd 90 0f 0b e8 08 9a 99 fd 90 0f 0b e8 00 9a 99 fd 90 0f 0b e8 f8 99 99 fd 90 <0f> 0b e8 f0 99 99 fd 90 0f 0b e8 e8 99 99 fd 90 0f 0b e8 e0 99 99 RSP: 0018:ffffc9000d4b64a0 EFLAGS: 00010287 RAX: ffffffff84260438 RBX: ffff888052fac360 RCX: 0000000000100000 RDX: ffffc9000dd1a000 RSI: 000000000006dc11 RDI: 000000000006dc12 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a96c88 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffff FS: 00007f0c0a92d6c0(0000) GS:ffff88808d26b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2c7a651000 CR3: 0000000034858000 CR4: 0000000000352ef0