EXT4-fs (loop4): Ignoring removed bh option ================================================================================ UBSAN: shift-out-of-bounds in fs/ext4/super.c:2502:15 shift exponent 1633771873 is too large for 32-bit type 'int' CPU: 0 PID: 6573 Comm: syz.4.667 Not tainted 5.15.162-syzkaller #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+0x1e3/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 parse_options+0x324d/0x32b0 fs/ext4/super.c:2502 ext4_fill_super+0x236e/0xa110 fs/ext4/super.c:4176 mount_bdev+0x2c9/0x3f0 fs/super.c:1387 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1517 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fb0ed3ea2da 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:00007fb0ebe68e78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb0ebe68f00 RCX: 00007fb0ed3ea2da RDX: 0000000020000080 RSI: 0000000020000140 RDI: 00007fb0ebe68ec0 RBP: 0000000020000080 R08: 00007fb0ebe68f00 R09: 0000000002000040 R10: 0000000002000040 R11: 0000000000000206 R12: 0000000020000140 R13: 00007fb0ebe68ec0 R14: 00000000000004d2 R15: 000000000000002c ================================================================================