bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade from 1.3: rebalance_work to 1.7: mi_btree_bitmap incomplete Doing compatible version upgrade from 1.3: rebalance_work to 1.20: directory_size running recovery passes: check_allocations,check_extents_to_backpointers,check_subvols,check_inodes,check_dirents bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 15 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/15 bset u64s 51: checksum error, type chacha20_poly1305_128: got d84c9b6bdcb743fdc733ca336672ca63 should be 37f1d6087d67d21bebd469bc807a31f8, fixing bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 15 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/15 bset u64s 51: bset past end of btree node (offset 8 len 8 but written 15), fixing bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 15 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/15 bset u64s 0: empty 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 4e0410879b0c2f04 written 15 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 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 16/24 bset u64s 110: checksum error, type chacha20_poly1305_128: got 23f3a0aff3709daf399e6fba7cd5c364 should be d1e256903dc89dd6436b0db8b45d2093, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error 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 bcachefs (loop0): error validating btree node on loop0 at btree dirents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 267fcf747c875937 written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0 node offset 8/24 bset u64s 6: checksum error, type chacha20_poly1305_128: got f28cd69eb48db9426ddc13f04996e5e0 should be abbf307d6f4195551a4398bf111cbb27, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=dirents level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 267fcf747c875937 written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0 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 3a82557add093526b6b133a1fd2afb34 should be 61ec379a8789477e76ff1a5280fd6dbd, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=alloc level=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 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 705c13622210617e97d050a3ec66a4d9 should be 230eae69ad0f1e91715326573b3e405a, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=backpointers level=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 bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bucket 0:26 gen 0 has wrong data_type: got (invalid data type), should be btree, fixing bucket 0:26 gen 0 data type btree has wrong dirty_sectors: got 3161278832, should be 256, fixing bucket 0:26 gen 0 data type btree has wrong cached_sectors: got 22686, should be 0, fixing bucket 0:34 gen 0 has wrong data_type: got user, should be need_discard, fixing bucket 0:34 gen 0 data type need_discard has wrong dirty_sectors: got 16, should be 0, fixing done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... done bcachefs (loop0): check_extents_to_backpointers... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/backpointers.c:841! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00253-gcb82ca153949 #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:data_type_to_alloc_counter fs/bcachefs/backpointers.c:841 [inline] RIP: 0010:check_bucket_backpointer_mismatch fs/bcachefs/backpointers.c:892 [inline] RIP: 0010:bch2_check_extents_to_backpointers+0x7368/0x73b0 fs/bcachefs/backpointers.c:1087 Code: fd 90 0f 0b e8 69 94 7e fd 90 0f 0b e8 61 94 7e fd 90 0f 0b e8 59 94 7e fd 90 0f 0b e8 51 94 7e fd 90 0f 0b e8 49 94 7e fd 90 <0f> 0b e8 41 94 7e fd 90 0f 0b e8 39 94 7e fd 90 0f 0b e8 31 94 7e RSP: 0018:ffffc9000d3ee480 EFLAGS: 00010283 RAX: ffffffff84434b87 RBX: 0000000000000065 RCX: 0000000000100000 RDX: ffffc9000e56a000 RSI: 00000000000bbccd RDI: 00000000000bbcce RBP: ffffc9000d3ef428 R08: 0000000000000001 R09: ffffffff8442f088 R10: 0000000000000004 R11: ffff88801f484880 R12: ffffc9000d3ef0e0 R13: ffffc9000d3ef2f0 R14: ffff8880551801d2 R15: 0000000000000008 FS: 00007f8eb2b3f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005632fca50058 CR3: 0000000034a5e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041 bch2_fs_get_tree+0xdb7/0x17a0 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: 0033:0x7f8eb1d8e90a 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:00007f8eb2b3ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8eb2b3eef0 RCX: 00007f8eb1d8e90a RDX: 000040000000f640 RSI: 0000400000000140 RDI: 00007f8eb2b3eeb0 RBP: 000040000000f640 R08: 00007f8eb2b3eef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000400000000140 R13: 00007f8eb2b3eeb0 R14: 000000000000f61b R15: 0000400000000200 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:data_type_to_alloc_counter fs/bcachefs/backpointers.c:841 [inline] RIP: 0010:check_bucket_backpointer_mismatch fs/bcachefs/backpointers.c:892 [inline] RIP: 0010:bch2_check_extents_to_backpointers+0x7368/0x73b0 fs/bcachefs/backpointers.c:1087 Code: fd 90 0f 0b e8 69 94 7e fd 90 0f 0b e8 61 94 7e fd 90 0f 0b e8 59 94 7e fd 90 0f 0b e8 51 94 7e fd 90 0f 0b e8 49 94 7e fd 90 <0f> 0b e8 41 94 7e fd 90 0f 0b e8 39 94 7e fd 90 0f 0b e8 31 94 7e RSP: 0018:ffffc9000d3ee480 EFLAGS: 00010283 RAX: ffffffff84434b87 RBX: 0000000000000065 RCX: 0000000000100000 RDX: ffffc9000e56a000 RSI: 00000000000bbccd RDI: 00000000000bbcce RBP: ffffc9000d3ef428 R08: 0000000000000001 R09: ffffffff8442f088 R10: 0000000000000004 R11: ffff88801f484880 R12: ffffc9000d3ef0e0 R13: ffffc9000d3ef2f0 R14: ffff8880551801d2 R15: 0000000000000008 FS: 00007f8eb2b3f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005632fca50058 CR3: 0000000034a5e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400