loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2336:10 shift exponent 196617 is too large for 32-bit type 'int' CPU: 0 UID: 0 PID: 5112 Comm: syz.0.0 Not tainted 6.12.0-rc2-syzkaller-00074-gd3d1556696c1 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 ocfs2_verify_volume fs/ocfs2/super.c:2336 [inline] ocfs2_sb_probe fs/ocfs2/super.c:792 [inline] ocfs2_fill_super+0xf9c/0x5750 fs/ocfs2/super.c:988 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 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: 0033:0x7f137d77f79a 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:00007f137d5fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f137d5feef0 RCX: 00007f137d77f79a RDX: 0000000020000380 RSI: 0000000020000340 RDI: 00007f137d5feeb0 RBP: 0000000020000380 R08: 00007f137d5feef0 R09: 0000000000000088 R10: 0000000000000088 R11: 0000000000000246 R12: 0000000020000340 R13: 00007f137d5feeb0 R14: 0000000000004455 R15: 0000000020000080 ---[ end trace ]---