loop2: detected capacity change from 0 to 32789 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/bcachefs/super-io.c:653:3 shift exponent 106 is too large for 64-bit type 'unsigned long' CPU: 0 PID: 9174 Comm: syz-executor.2 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #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 read_one_super+0xfb5/0xfc0 fs/bcachefs/super-io.c:653 __bch2_read_super+0x65a/0x1460 fs/bcachefs/super-io.c:750 bch2_fs_open+0x246/0xdf0 fs/bcachefs/super.c:2074 bch2_mount+0x6b0/0x13a0 fs/bcachefs/fs.c:1919 legacy_get_tree+0xf0/0x190 fs/fs_context.c:662 vfs_get_tree+0x92/0x2a0 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: 0033:0x7f82b087e5aa 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:00007f82b1586ef8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f82b1586f80 RCX: 00007f82b087e5aa RDX: 0000000020011a00 RSI: 0000000020000780 RDI: 00007f82b1586f40 RBP: 0000000020011a00 R08: 00007f82b1586f80 R09: 0000000001200014 R10: 0000000001200014 R11: 0000000000000206 R12: 0000000020000780 R13: 00007f82b1586f40 R14: 00000000000119fa R15: 00000000200007c0 ---[ end trace ]---