loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2372:4 shift exponent 409272332 is too large for 32-bit type 'int' CPU: 1 PID: 5165 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321 ocfs2_verify_volume fs/ocfs2/super.c:2372 [inline] ocfs2_sb_probe fs/ocfs2/super.c:793 [inline] ocfs2_fill_super+0xd87/0x4d80 fs/ocfs2/super.c:989 mount_bdev+0x287/0x3c0 fs/super.c:1400 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3010 do_mount fs/namespace.c:3353 [inline] __do_sys_mount fs/namespace.c:3561 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3538 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fcd0059b4ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 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:00007fccff811e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fccff811ef0 RCX: 00007fcd0059b4ca RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007fccff811eb0 RBP: 0000000020000240 R08: 00007fccff811ef0 R09: 0000000002800400 R10: 0000000002800400 R11: 0000000000000246 R12: 0000000020000280 R13: 00007fccff811eb0 R14: 000000000000446e R15: 00000000200003c0 ================================================================================