bucket 0:34 gen 0 data type user sector count overflow: 0 + -8 > U32_MAX while marking u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, continuing Oops: general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] CPU: 1 UID: 0 PID: 5827 Comm: syz-executor Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:btree_path_lock_root fs/bcachefs/btree_iter.c:732 [inline] RIP: 0010:bch2_btree_path_traverse_one+0x94a/0x2940 fs/bcachefs/btree_iter.c:1183 Code: 89 44 24 60 42 80 3c 20 00 74 08 4c 89 ef e8 1d 0d e7 fd 49 8b 45 00 48 89 44 24 48 48 8d 90 98 00 00 00 48 89 d0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 48 89 94 24 80 00 00 00 0f 85 ee 10 00 00 4c RSP: 0018:ffffc900038bd320 EFLAGS: 00010202 RAX: 0000000000000013 RBX: 0000000000000000 RCX: ffff8880302b9e00 RDX: 0000000000000098 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900038bd610 R08: ffffffff841c4790 R09: ffffffff841c2809 R10: 0000000000000002 R11: ffff8880302b9e00 R12: dffffc0000000000 R13: ffff888070a814d8 R14: ffff88806b99c5a0 R15: 000000000000110b FS: 0000555570f44500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4865b69160 CR3: 000000006ea28000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2210 [inline] bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2310 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline] bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:495 [inline] bch2_bucket_alloc_trans+0x1122/0x3a50 fs/bcachefs/alloc_foreground.c:648 bch2_bucket_alloc_set_trans+0x517/0xd30 fs/bcachefs/alloc_foreground.c:808 __open_bucket_add_buckets+0x13d0/0x1ec0 fs/bcachefs/alloc_foreground.c:1057 open_bucket_add_buckets+0x33a/0x410 fs/bcachefs/alloc_foreground.c:1101 bch2_alloc_sectors_start_trans+0xce9/0x2030 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:339 [inline] bch2_btree_reserve_get+0x612/0x1890 fs/bcachefs/btree_update_interior.c:549 bch2_btree_update_start+0xe56/0x14e0 fs/bcachefs/btree_update_interior.c:1247 bch2_btree_split_leaf+0x123/0x840 fs/bcachefs/btree_update_interior.c:1856 bch2_trans_commit_error+0x212/0x1380 fs/bcachefs/btree_trans_commit.c:942 __bch2_trans_commit+0x7ead/0x93c0 fs/bcachefs/btree_trans_commit.c:1140 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] bch2_inode_delete_keys+0xae6/0x1440 fs/bcachefs/inode.c:986 bch2_inode_rm+0x17d/0xf60 fs/bcachefs/inode.c:1015 bch2_evict_inode+0x20a/0x3f0 fs/bcachefs/fs.c:1836 evict+0x4e8/0x9a0 fs/inode.c:796 do_unlinkat+0x512/0x830 fs/namei.c:4594 __do_sys_unlink fs/namei.c:4635 [inline] __se_sys_unlink fs/namei.c:4633 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4633 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: 0033:0x7fce523852d7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 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:00007fff4f6abbd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce523852d7 RDX: 00007fff4f6abc00 RSI: 00007fff4f6abc90 RDI: 00007fff4f6abc90 RBP: 00007fff4f6abc90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007fff4f6acd80 R13: 00007fce524018f4 R14: 00007fff4f6aef30 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btree_path_lock_root fs/bcachefs/btree_iter.c:732 [inline] RIP: 0010:bch2_btree_path_traverse_one+0x94a/0x2940 fs/bcachefs/btree_iter.c:1183 Code: 89 44 24 60 42 80 3c 20 00 74 08 4c 89 ef e8 1d 0d e7 fd 49 8b 45 00 48 89 44 24 48 48 8d 90 98 00 00 00 48 89 d0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 48 89 94 24 80 00 00 00 0f 85 ee 10 00 00 4c RSP: 0018:ffffc900038bd320 EFLAGS: 00010202 RAX: 0000000000000013 RBX: 0000000000000000 RCX: ffff8880302b9e00 RDX: 0000000000000098 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900038bd610 R08: ffffffff841c4790 R09: ffffffff841c2809 R10: 0000000000000002 R11: ffff8880302b9e00 R12: dffffc0000000000 R13: ffff888070a814d8 R14: ffff88806b99c5a0 R15: 000000000000110b FS: 0000555570f44500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555570f6f648 CR3: 000000006ea28000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 44 24 60 mov %eax,0x60(%rsp) 4: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 9: 74 08 je 0x13 b: 4c 89 ef mov %r13,%rdi e: e8 1d 0d e7 fd call 0xfde70d30 13: 49 8b 45 00 mov 0x0(%r13),%rax 17: 48 89 44 24 48 mov %rax,0x48(%rsp) 1c: 48 8d 90 98 00 00 00 lea 0x98(%rax),%rdx 23: 48 89 d0 mov %rdx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 48 89 94 24 80 00 00 mov %rdx,0x80(%rsp) 38: 00 39: 0f 85 ee 10 00 00 jne 0x112d 3f: 4c rex.WR