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UBSAN: shift-out-of-bounds in fs/f2fs/super.c:919:5
shift exponent 126 is too large for 64-bit type 'unsigned long'
CPU: 0 PID: 4362 Comm: syz.0.12 Not tainted 6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb 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+0x4ad6/0x4ae0 fs/f2fs/super.c:919
 f2fs_fill_super+0x3213/0x7c40 fs/f2fs/super.c:4214
 mount_bdev+0x2c9/0x3f0 fs/super.c:1443
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f16c3b7feba
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:00007f16c4a3fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f16c4a3fef0 RCX: 00007f16c3b7feba
RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007f16c4a3feb0
RBP: 0000000020000040 R08: 00007f16c4a3fef0 R09: 0000000001008003
R10: 0000000001008003 R11: 0000000000000246 R12: 00000000200000c0
R13: 00007f16c4a3feb0 R14: 0000000000005509 R15: 0000000020000440
 </TASK>
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