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 8 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/checksum.c:236! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 12732 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-10729-gb6394d6f7159 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:bch2_checksum+0x717/0x730 fs/bcachefs/checksum.c:236 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0a fe ff ff 48 89 df e8 89 28 dc fd e9 fd fd ff ff e8 bf 2b 63 07 e8 0a 9f 79 fd 90 <0f> 0b e8 02 9f 79 fd 90 0f 0b e8 fa 9e 79 fd 90 0f 0b 0f 1f 80 00 RSP: 0018:ffffc900036b6340 EFLAGS: 00010246 RAX: ffffffff841c9b66 RBX: 20000001efdd7a26 RCX: 0000000000040000 RDX: ffffc9000dd58000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900036b66b0 R08: 0000000000000005 R09: ffffffff841c952a R10: 0000000000000008 R11: ffff888020b65a00 R12: ffffc900036b63e0 R13: dffffc0000000000 R14: 0000000000000008 R15: 1ffff920006d6c70 FS: 00007f841c98f6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe2e4b6d88 CR3: 000000002a44c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_node_read_done+0x13d4/0x6770 fs/bcachefs/btree_io.c:1110 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1340 bch2_btree_node_read+0x2467/0x2a40 __bch2_btree_root_read fs/bcachefs/btree_io.c:1764 [inline] bch2_btree_root_read+0x61e/0x970 fs/bcachefs/btree_io.c:1788 read_btree_roots+0x22d/0x7b0 fs/bcachefs/recovery.c:472 bch2_fs_recovery+0x2346/0x3700 fs/bcachefs/recovery.c:800 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1031 bch2_fs_open+0xa8d/0xdf0 fs/bcachefs/super.c:2123 bch2_mount+0x71d/0x1320 fs/bcachefs/fs.c:1917 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1780 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: 0033:0x7f841bc7e5ea 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:00007f841c98eef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f841c98ef80 RCX: 00007f841bc7e5ea RDX: 0000000020005b00 RSI: 0000000020000000 RDI: 00007f841c98ef40 RBP: 0000000020005b00 R08: 00007f841c98ef80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 00007f841c98ef40 R14: 0000000000005b32 R15: 00000000200000c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_checksum+0x717/0x730 fs/bcachefs/checksum.c:236 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0a fe ff ff 48 89 df e8 89 28 dc fd e9 fd fd ff ff e8 bf 2b 63 07 e8 0a 9f 79 fd 90 <0f> 0b e8 02 9f 79 fd 90 0f 0b e8 fa 9e 79 fd 90 0f 0b 0f 1f 80 00 RSP: 0018:ffffc900036b6340 EFLAGS: 00010246 RAX: ffffffff841c9b66 RBX: 20000001efdd7a26 RCX: 0000000000040000 RDX: ffffc9000dd58000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900036b66b0 R08: 0000000000000005 R09: ffffffff841c952a R10: 0000000000000008 R11: ffff888020b65a00 R12: ffffc900036b63e0 R13: dffffc0000000000 R14: 0000000000000008 R15: 1ffff920006d6c70 FS: 00007f841c98f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558e323938 CR3: 000000002a44c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400