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,metadata_target=/dev/loop0,noinodes_use_key_cache,usrquota,degraded,fsck,nojournal_transaction_names 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 1.20: directory_size running recovery passes: check_allocations,check_extents_to_backpointers,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance bcachefs (loop0): error validating btree node on loop0 at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 8/24 bset u64s 29: checksum error, type chacha20_poly1305_128: got 0f78b94d6d4572b47440acc810f2443f should be ef30dab84eb82d57729a51b00f54184b, exiting bcachefs (loop0): Unable to continue, halting bcachefs (loop0): flagging btree inodes lost data bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), 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=inodes level=0: btree_node_read_error, fixing ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_io.c:1783! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-08291-g805ba04cb7cc #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:__bch2_btree_root_read fs/bcachefs/btree_io.c:1783 [inline] RIP: 0010:bch2_btree_root_read+0x78d/0x7a0 fs/bcachefs/btree_io.c:1811 Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c 98 fa ff ff 4c 89 f7 e8 46 58 e7 fd e9 8b fa ff ff e8 ec c3 80 fd 90 0f 0b e8 e4 c3 80 fd 90 <0f> 0b e8 cc 10 b6 07 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 RSP: 0018:ffffc9000d4e7280 EFLAGS: 00010287 RAX: ffffffff843ea8ec RBX: 00000000ffffffef RCX: 0000000000100000 RDX: ffffc9000eb1a000 RSI: 000000000003ec64 RDI: 000000000003ec65 RBP: ffffc9000d4e73b0 R08: ffffffff843ea731 R09: 1ffff92001a9ce38 R10: dffffc0000000000 R11: fffff52001a9ce39 R12: ffff888054c10800 R13: 000000000001a001 R14: ffff888053f81a98 R15: 0000000000000000 FS: 00007fd125b886c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560d4153c830 CR3: 00000000429dc000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: read_btree_roots+0x3d3/0xa70 fs/bcachefs/recovery.c:582 bch2_fs_recovery+0x260f/0x3de0 fs/bcachefs/recovery.c:929 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1030 bch2_fs_get_tree+0xd8d/0x1740 fs/bcachefs/fs.c:2203 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: 0033:0x7fd124d8e54a 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:00007fd125b87e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd125b87ef0 RCX: 00007fd124d8e54a RDX: 000000002000f640 RSI: 000000002000f680 RDI: 00007fd125b87eb0 RBP: 000000002000f640 R08: 00007fd125b87ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002000f680 R13: 00007fd125b87eb0 R14: 000000000000f630 R15: 0000000020000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_btree_root_read fs/bcachefs/btree_io.c:1783 [inline] RIP: 0010:bch2_btree_root_read+0x78d/0x7a0 fs/bcachefs/btree_io.c:1811 Code: ff 44 89 f1 80 e1 07 38 c1 0f 8c 98 fa ff ff 4c 89 f7 e8 46 58 e7 fd e9 8b fa ff ff e8 ec c3 80 fd 90 0f 0b e8 e4 c3 80 fd 90 <0f> 0b e8 cc 10 b6 07 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 RSP: 0018:ffffc9000d4e7280 EFLAGS: 00010287 RAX: ffffffff843ea8ec RBX: 00000000ffffffef RCX: 0000000000100000 RDX: ffffc9000eb1a000 RSI: 000000000003ec64 RDI: 000000000003ec65 RBP: ffffc9000d4e73b0 R08: ffffffff843ea731 R09: 1ffff92001a9ce38 R10: dffffc0000000000 R11: fffff52001a9ce39 R12: ffff888054c10800 R13: 000000000001a001 R14: ffff888053f81a98 R15: 0000000000000000 FS: 00007fd125b886c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563532eca008 CR3: 00000000429dc000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400