bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=compression=lz4,nojournal_transaction_names bcachefs (loop0): recovering from clean shutdown, journal seq 7 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/bcachefs/bkey.c:664:22 shift exponent 215 is too large for 64-bit type 'unsigned long long' CPU: 1 PID: 15486 Comm: syz.0.1265 Not tainted 6.10.0-rc6-syzkaller-00051-g1dfe225e9af5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 bch2_bkey_format_invalid+0x74d/0x790 fs/bcachefs/bkey.c:664 validate_bset+0x16ab/0x25b0 fs/bcachefs/btree_io.c:822 bch2_btree_node_read_done+0x21e5/0x6750 fs/bcachefs/btree_io.c:1140 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1345 bch2_btree_node_read+0x2433/0x2a10 __bch2_btree_root_read fs/bcachefs/btree_io.c:1769 [inline] bch2_btree_root_read+0x61e/0x970 fs/bcachefs/btree_io.c:1793 read_btree_roots+0x22d/0x7c0 fs/bcachefs/recovery.c:481 bch2_fs_recovery+0x235c/0x3730 fs/bcachefs/recovery.c:809 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1035 bch2_fs_open+0xa8d/0xdf0 fs/bcachefs/super.c:2132 bch2_mount+0x6b0/0x13a0 fs/bcachefs/fs.c:1926 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1789 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+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f98dd97761a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f98de6f8e78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f98de6f8f00 RCX: 00007f98dd97761a RDX: 0000000020005d80 RSI: 0000000020005dc0 RDI: 00007f98de6f8ec0 RBP: 0000000020005d80 R08: 00007f98de6f8f00 R09: 0000000000008490 R10: 0000000000008490 R11: 0000000000000206 R12: 0000000020005dc0 R13: 00007f98de6f8ec0 R14: 0000000000005e35 R15: 0000000020000040 ---[ end trace ]---