------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.h:131! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: read_btree_node Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #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:bch2_btree_id_root fs/bcachefs/btree_cache.h:131 [inline] RIP: 0010:bch2_btree_pos_to_text+0x1ee/0x1f0 fs/bcachefs/btree_cache.c:1403 Code: 00 00 fc ff df e9 70 ff ff ff 89 d9 80 e1 07 38 c1 0f 8c 7a ff ff ff 48 89 df e8 1d 53 e9 fd e9 6d ff ff ff e8 93 66 7e fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d5d7448 EFLAGS: 00010293 RAX: ffffffff84210b7d RBX: 000000000000001b RCX: ffff88801aa44880 RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff84210a6a R09: 0000000000000000 R10: ffffc9000d5d75e0 R11: fffff52001abaec1 R12: ffff888036686000 R13: ffff888053100000 R14: ffff888053100000 R15: ffffc9000d5d75e0 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b5c086d018 CR3: 0000000051d64000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btree_node_read_work+0x486/0x1260 fs/bcachefs/btree_io.c:1308 bch2_btree_node_read+0x2433/0x29f0 bch2_btree_node_fill+0xc77/0x12f0 fs/bcachefs/btree_cache.c:991 bch2_btree_node_get_noiter+0x9d5/0xf70 fs/bcachefs/btree_cache.c:1260 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:193 [inline] read_btree_nodes_worker+0x13c5/0x2220 fs/bcachefs/btree_node_scan.c:242 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_id_root fs/bcachefs/btree_cache.h:131 [inline] RIP: 0010:bch2_btree_pos_to_text+0x1ee/0x1f0 fs/bcachefs/btree_cache.c:1403 Code: 00 00 fc ff df e9 70 ff ff ff 89 d9 80 e1 07 38 c1 0f 8c 7a ff ff ff 48 89 df e8 1d 53 e9 fd e9 6d ff ff ff e8 93 66 7e fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d5d7448 EFLAGS: 00010293 RAX: ffffffff84210b7d RBX: 000000000000001b RCX: ffff88801aa44880 RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff84210a6a R09: 0000000000000000 R10: ffffc9000d5d75e0 R11: fffff52001abaec1 R12: ffff888036686000 R13: ffff888053100000 R14: ffff888053100000 R15: ffffc9000d5d75e0 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b5c086d018 CR3: 000000001f56e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400