------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_cmp.h:104! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 7383 Comm: read_btree_node Not tainted 6.15.0-syzkaller-10820-gcd2e103d57e5 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:bch2_bkey_cmp_packed_inlined fs/bcachefs/bkey_cmp.h:116 [inline] RIP: 0010:bch2_bkey_cmp_packed+0x941/0x950 fs/bcachefs/bkey.c:1031 Code: fd 90 0f 0b e8 c0 52 a5 fd 90 0f 0b e8 b8 52 a5 fd 90 0f 0b e8 b0 52 a5 fd 90 0f 0b e8 a8 52 a5 fd 90 0f 0b e8 a0 52 a5 fd 90 <0f> 0b e8 98 52 a5 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000445ebe0 EFLAGS: 00010293 RAX: ffffffff841ae840 RBX: dffffc0000000000 RCX: ffff88802c19bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc9000445ed30 R08: ffffc9000445ec3b R09: ffffc9000445ec30 R10: dffffc0000000000 R11: fffff5200088bd88 R12: 000000009c38a1f2 R13: 1ffff9200088bd8c R14: 00000000ffffffff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c5f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d075be3008 CR3: 0000000023af7000 CR4: 0000000000350ef0 Call Trace: btree_node_read_bkey_cmp fs/bcachefs/btree_io.c:935 [inline] validate_bset_keys+0xb9c/0x1390 fs/bcachefs/btree_io.c:1000 bch2_btree_node_read_done+0x18c8/0x4f60 fs/bcachefs/btree_io.c:1211 btree_node_read_work+0x426/0xe30 fs/bcachefs/btree_io.c:1400 bch2_btree_node_read+0x887/0x29f0 fs/bcachefs/btree_io.c:-1 bch2_btree_node_fill+0xd12/0x14f0 fs/bcachefs/btree_cache.c:994 bch2_btree_node_get_noiter+0xa2c/0x1000 fs/bcachefs/btree_cache.c:1261 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:220 [inline] read_btree_nodes_worker+0x1319/0x1e20 fs/bcachefs/btree_node_scan.c:269 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:bch2_bkey_cmp_packed_inlined fs/bcachefs/bkey_cmp.h:116 [inline] RIP: 0010:bch2_bkey_cmp_packed+0x941/0x950 fs/bcachefs/bkey.c:1031 Code: fd 90 0f 0b e8 c0 52 a5 fd 90 0f 0b e8 b8 52 a5 fd 90 0f 0b e8 b0 52 a5 fd 90 0f 0b e8 a8 52 a5 fd 90 0f 0b e8 a0 52 a5 fd 90 <0f> 0b e8 98 52 a5 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000445ebe0 EFLAGS: 00010293 RAX: ffffffff841ae840 RBX: dffffc0000000000 RCX: ffff88802c19bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffffc9000445ed30 R08: ffffc9000445ec3b R09: ffffc9000445ec30 R10: dffffc0000000000 R11: fffff5200088bd88 R12: 000000009c38a1f2 R13: 1ffff9200088bd8c R14: 00000000ffffffff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c5f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3719033f0 CR3: 0000000075e6f000 CR4: 0000000000350ef0