bcachefs (loop4): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,nojournal_transaction_names bcachefs (loop4): recovering from clean shutdown, journal seq 10 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/replicas.c:28! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 10624 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-08284-gea5f6ad9ad96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:verify_replicas_entry fs/bcachefs/replicas.c:28 [inline] RIP: 0010:__replicas_entry_idx+0x331/0x350 fs/bcachefs/replicas.c:233 Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c d7 fe ff ff 48 89 df e8 a2 d5 be fd e9 ca fe ff ff e8 68 11 5d fd 90 0f 0b e8 60 11 5d fd 90 <0f> 0b e8 58 11 5d fd 90 0f 0b e8 50 11 5d fd 90 0f 0b 66 2e 0f 1f RSP: 0018:ffffc90004446f70 EFLAGS: 00010246 RAX: ffffffff84391de0 RBX: 0000000000000004 RCX: 0000000000040000 RDX: ffffc90011cc1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 000000000000007f R08: ffffffff84391b58 R09: ffffffff8438288d R10: 0000000000000007 R11: ffff88801bffda00 R12: ffff88806f28e088 R13: ffff88806f28e088 R14: 0000000000000001 R15: ffff888067200000 FS: 00007f78df6cb6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff7fc38f19c CR3: 0000000063690000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_replicas_entry_idx fs/bcachefs/replicas.c:248 [inline] bch2_replicas_set_usage+0x2ff/0x710 fs/bcachefs/replicas.c:625 journal_replay_early+0xba/0x4f0 fs/bcachefs/recovery.c:411 bch2_fs_recovery+0x39c2/0x63b0 fs/bcachefs/recovery.c:747 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1043 bch2_fs_open+0xa8d/0xdf0 fs/bcachefs/super.c:2105 bch2_mount+0x71d/0x1320 fs/bcachefs/fs.c:1906 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1779 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f78de87e5ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f78df6caef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f78df6caf80 RCX: 00007f78de87e5ea RDX: 0000000020011a00 RSI: 0000000020000280 RDI: 00007f78df6caf40 RBP: 0000000020011a00 R08: 00007f78df6caf80 R09: 0000000001200014 R10: 0000000001200014 R11: 0000000000000202 R12: 0000000020000280 R13: 00007f78df6caf40 R14: 00000000000119fe R15: 0000000020000100 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:verify_replicas_entry fs/bcachefs/replicas.c:28 [inline] RIP: 0010:__replicas_entry_idx+0x331/0x350 fs/bcachefs/replicas.c:233 Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c d7 fe ff ff 48 89 df e8 a2 d5 be fd e9 ca fe ff ff e8 68 11 5d fd 90 0f 0b e8 60 11 5d fd 90 <0f> 0b e8 58 11 5d fd 90 0f 0b e8 50 11 5d fd 90 0f 0b 66 2e 0f 1f RSP: 0018:ffffc90004446f70 EFLAGS: 00010246 RAX: ffffffff84391de0 RBX: 0000000000000004 RCX: 0000000000040000 RDX: ffffc90011cc1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 000000000000007f R08: ffffffff84391b58 R09: ffffffff8438288d R10: 0000000000000007 R11: ffff88801bffda00 R12: ffff88806f28e088 R13: ffff88806f28e088 R14: 0000000000000001 R15: ffff888067200000 FS: 00007f78df6cb6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f948140f3b0 CR3: 0000000063690000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400