bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bcachefs (loop0): bucket 0:35 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bcachefs (loop0): bucket 0:29 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bcachefs (loop0): bucket 0:1 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:1 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:2 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:2 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:3 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:3 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:4 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:4 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:5 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:5 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:6 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:6 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:7 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:7 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:8 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): bucket 0:8 gen 0 data type sb has wrong dirty_sectors: got 0, should be 8, fixing bcachefs (loop0): bucket 0:9 gen 0 has wrong data_type: got free, should be journal, fixing bcachefs (loop0): bucket 0:9 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:10 gen 0 has wrong data_type: got free, should be journal, fixing bcachefs (loop0): bucket 0:10 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): bucket 0:11 gen 0 has wrong data_type: got free, should be journal, fixing Ratelimiting new instances of previous error bcachefs (loop0): bucket 0:11 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing Ratelimiting new instances of previous error done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... done bcachefs (loop0): check_extents_to_backpointers... bcachefs (loop0): scanning for missing backpointers in 4/128 buckets done bcachefs (loop0): check_inodes... done bcachefs (loop0): resume_logged_ops... done bcachefs (loop0): delete_dead_inodes... done bcachefs (loop0): Fixed errors, running fsck a second time to verify fs is clean bcachefs (loop0): check_extents_to_backpointers... done bcachefs (loop0): check_inodes... done bcachefs (loop0): resume_logged_ops... done bcachefs (loop0): delete_dead_inodes... done bcachefs (loop0): done starting filesystem ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_trans_commit.c:348! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller #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:btree_insert_entry_checks fs/bcachefs/btree_trans_commit.c:343 [inline] RIP: 0010:bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:725 [inline] RIP: 0010:do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:854 [inline] RIP: 0010:__bch2_trans_commit+0x86e5/0x8870 fs/bcachefs/btree_trans_commit.c:1085 Code: 97 fd eb 0c e8 3c 6e 97 fd eb 05 e8 35 6e 97 fd 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 48 e9 e1 af ff ff e8 1c 6e 97 fd 90 <0f> 0b e8 14 6e 97 fd 90 0f 0b e8 0c 6e 97 fd 90 0f 0b e8 04 6e 97 RSP: 0018:ffffc9000d646e60 EFLAGS: 00010283 RAX: ffffffff8428c554 RBX: ffffffff84288725 RCX: 0000000000100000 RDX: ffffc9000e152000 RSI: 0000000000023753 RDI: 0000000000023754 RBP: ffffc9000d647150 R08: 0000000000000000 R09: ffffffff84288725 R10: dffffc0000000000 R11: ffffed100a729309 R12: ffff888056848020 R13: dffffc0000000000 R14: ffff88805684a4d8 R15: 0000000000000001 FS: 00007fa5beb1d6c0(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3071218000 CR3: 0000000044013000 CR4: 0000000000352ef0 Call Trace: bch2_trans_commit fs/bcachefs/btree_update.h:241 [inline] __bch2_resume_logged_op_truncate+0x287/0x700 fs/bcachefs/io_misc.c:284 bch2_truncate+0x155/0x200 fs/bcachefs/io_misc.c:327 bchfs_truncate+0x8b1/0xc20 fs/bcachefs/fs-io.c:511 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 handle_truncate fs/namei.c:3517 [inline] do_open fs/namei.c:3900 [inline] path_openat+0x306c/0x3830 fs/namei.c:4055 do_filp_open+0x1fa/0x410 fs/namei.c:4082 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 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: 0033:0x7fa5bdd8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fa5beb1d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fa5bdfb5fa0 RCX: 00007fa5bdd8e929 RDX: 0000000000000000 RSI: ecf86c37d53048cc RDI: 0000200000000280 RBP: 00007fa5bde10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa5bdfb5fa0 R15: 00007ffee2530be8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btree_insert_entry_checks fs/bcachefs/btree_trans_commit.c:343 [inline] RIP: 0010:bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:725 [inline] RIP: 0010:do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:854 [inline] RIP: 0010:__bch2_trans_commit+0x86e5/0x8870 fs/bcachefs/btree_trans_commit.c:1085 Code: 97 fd eb 0c e8 3c 6e 97 fd eb 05 e8 35 6e 97 fd 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 48 e9 e1 af ff ff e8 1c 6e 97 fd 90 <0f> 0b e8 14 6e 97 fd 90 0f 0b e8 0c 6e 97 fd 90 0f 0b e8 04 6e 97 RSP: 0018:ffffc9000d646e60 EFLAGS: 00010283 RAX: ffffffff8428c554 RBX: ffffffff84288725 RCX: 0000000000100000 RDX: ffffc9000e152000 RSI: 0000000000023753 RDI: 0000000000023754 RBP: ffffc9000d647150 R08: 0000000000000000 R09: ffffffff84288725 R10: dffffc0000000000 R11: ffffed100a729309 R12: ffff888056848020 R13: dffffc0000000000 R14: ffff88805684a4d8 R15: 0000000000000001 FS: 00007fa5beb1d6c0(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3071218000 CR3: 0000000044013000 CR4: 0000000000352ef0