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, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 13 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 bcachefs (loop0): error validating btree node on loop0 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 node offset 8/40 bset u64s 375: checksum error, type chacha20_poly1305_128: got 92d7e37141e0b683c4b028e70013b2ed should be 61ec379a8789477e76ff1a5280fd6dbd, shutting down bcachefs (loop0): flagging btree alloc lost data bcachefs (loop0): running explicit recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node on loop0 at btree subvolumes level 0/0 u64s 11 type btree_ptr_v2 U64_MAX:18446462607322775551:U32_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 node offset 0/16 bset u64s 53760: checksum error, type chacha20_poly1305_128: got 2dcd65104ff574e63296b946e7b4e95d should be bff45ac871db9bfa3686500c30b7d82f, shutting down bcachefs (loop0): flagging btree subvolumes lost data error reading btree root btree=subvolumes level=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node on loop0 at btree backpointers level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 3b468546fb27822d written 24 min_key POS_MIN durability: 1 ptr: 0:36:0 gen 0 node offset 8/24 bset u64s 35: checksum error, type chacha20_poly1305_128: got 9ac2296c0aab57eb1ea17b96b92d0fdb should be 230eae69ad0f1e91715326573b3e405a, shutting down bcachefs (loop0): flagging btree backpointers lost data bcachefs (loop0): running explicit recovery pass check_btree_backpointers (15), currently at recovery_pass_empty (0) error reading btree root btree=backpointers level=0: btree_node_read_error, 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 inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=inodes 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 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 Topology repair: unreadable btree node at btree=inodes level=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, fixing empty interior btree node at btree=inodes level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root inodes bcachefs (loop0): btree root subvolumes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=subvolumes 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 d682cebdf2a7eb26 written 848 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 Topology repair: unreadable btree node at btree=subvolumes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 848 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing empty interior btree node at btree=subvolumes level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root subvolumes done bcachefs (loop0): accounting_read... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:633! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5316 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_path_level_init+0x9ba/0x9f0 fs/bcachefs/btree_iter.c:633 Code: 48 c7 c7 20 6c f4 8e 48 89 ee e8 b1 a2 e0 00 e9 f5 fa ff ff e8 e7 81 7f fd 90 0f 0b e8 df 81 7f fd 90 0f 0b e8 d7 81 7f fd 90 <0f> 0b e8 cf 81 7f fd 90 0f 0b e8 c7 81 7f fd 90 0f 0b e8 bf 81 7f RSP: 0018:ffffc9000d3f66c0 EFLAGS: 00010283 RAX: ffffffff843feaf9 RBX: 0a0985adb9b4578f RCX: 0000000000100000 RDX: ffffc9000de92000 RSI: 000000000006686a RDI: 000000000006686b RBP: dffffc0000000000 R08: ffffffff843fe380 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20371cf R12: ffff88804317a800 R13: 615cf00a7d0b1a4e R14: 0000000000000000 R15: ffff888044680033 FS: 00007ffbc19916c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562b8062e098 CR3: 00000000405b2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btree_path_lock_root fs/bcachefs/btree_iter.c:787 [inline] bch2_btree_path_traverse_one+0x108b/0x2930 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2271 [inline] bch2_btree_iter_peek_max+0xc06/0x6320 fs/bcachefs/btree_iter.c:2368 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:681 [inline] bch2_accounting_read+0xfb0/0x6d50 fs/bcachefs/disk_accounting.c:714 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x265a/0x3de0 fs/bcachefs/recovery.c:937 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: 0033:0x7ffbc0b8e54a 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:00007ffbc1990e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffbc1990ef0 RCX: 00007ffbc0b8e54a RDX: 000000002000f640 RSI: 000000002000f680 RDI: 00007ffbc1990eb0 RBP: 000000002000f640 R08: 00007ffbc1990ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002000f680 R13: 00007ffbc1990eb0 R14: 000000000000f635 R15: 0000000020000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9ba/0x9f0 fs/bcachefs/btree_iter.c:633 Code: 48 c7 c7 20 6c f4 8e 48 89 ee e8 b1 a2 e0 00 e9 f5 fa ff ff e8 e7 81 7f fd 90 0f 0b e8 df 81 7f fd 90 0f 0b e8 d7 81 7f fd 90 <0f> 0b e8 cf 81 7f fd 90 0f 0b e8 c7 81 7f fd 90 0f 0b e8 bf 81 7f RSP: 0018:ffffc9000d3f66c0 EFLAGS: 00010283 RAX: ffffffff843feaf9 RBX: 0a0985adb9b4578f RCX: 0000000000100000 RDX: ffffc9000de92000 RSI: 000000000006686a RDI: 000000000006686b RBP: dffffc0000000000 R08: ffffffff843fe380 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20371cf R12: ffff88804317a800 R13: 615cf00a7d0b1a4e R14: 0000000000000000 R15: ffff888044680033 FS: 00007ffbc19916c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562b8062e098 CR3: 00000000405b2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400