bcachefs (loop4): resume_logged_ops... done bcachefs (loop4): delete_dead_inodes... done ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in ./include/linux/log2.h:67:13 shift exponent 4294967295 is too large for 64-bit type 'unsigned long' CPU: 1 PID: 8742 Comm: syz.4.995 Not tainted 6.10.0-rc5-syzkaller-00012-g626737a5791b #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 __rounddown_pow_of_two include/linux/log2.h:67 [inline] eytzinger1_first fs/bcachefs/eytzinger.h:51 [inline] eytzinger0_first fs/bcachefs/eytzinger.h:194 [inline] bch2_blacklist_entries_gc+0x56c/0x5a0 fs/bcachefs/journal_seq_blacklist.c:235 bch2_fs_recovery+0x30ac/0x3730 fs/bcachefs/recovery.c:897 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_open+0xa8d/0xdf0 fs/bcachefs/super.c:2128 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: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+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc892b7743a 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:00007fc893957e78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc893957f00 RCX: 00007fc892b7743a RDX: 0000000020005b00 RSI: 0000000020005b40 RDI: 00007fc893957ec0 RBP: 0000000020005b00 R08: 00007fc893957f00 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000206 R12: 0000000020005b40 R13: 00007fc893957ec0 R14: 0000000000005b30 R15: 0000000020005b80 ---[ end trace ]---