loop5: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2365:4 shift exponent 32 is too large for 32-bit type 'int' CPU: 0 PID: 17184 Comm: syz.5.2695 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217 __ubsan_handle_shift_out_of_bounds+0x368/0x3f0 lib/ubsan.c:387 ocfs2_verify_volume fs/ocfs2/super.c:2366 [inline] ocfs2_sb_probe fs/ocfs2/super.c:792 [inline] ocfs2_fill_super+0xf20/0x5010 fs/ocfs2/super.c:988 mount_bdev+0x21c/0x2c0 fs/super.c:1643 legacy_get_tree+0xea/0x180 fs/fs_context.c:662 vfs_get_tree+0x8c/0x280 fs/super.c:1764 do_new_mount+0x24a/0xa40 fs/namespace.c:3386 do_mount fs/namespace.c:3726 [inline] __do_sys_mount fs/namespace.c:3935 [inline] __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f05ab19f10a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f05ac05ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f05ac05aee0 RCX: 00007f05ab19f10a RDX: 0000200000000080 RSI: 0000200000000040 RDI: 00007f05ac05aea0 RBP: 0000200000000080 R08: 00007f05ac05aee0 R09: 00000000000008cb R10: 00000000000008cb R11: 0000000000000246 R12: 0000200000000040 R13: 00007f05ac05aea0 R14: 000000000000445d R15: 0000200000000200 ================================================================================