loop1: detected capacity change from 0 to 40427 F2FS-fs (loop1): Insane cp_payload (553648128 >= 504) F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock ================================================================================ UBSAN: shift-out-of-bounds in fs/f2fs/super.c:919:5 shift exponent 82 is too large for 64-bit type 'unsigned long' CPU: 0 PID: 4319 Comm: syz.1.83 Not tainted 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __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+0x321b/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:3051 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579 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: 0033:0x7ff98017f79a 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:00007ff980fa3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff980fa3ef0 RCX: 00007ff98017f79a RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007ff980fa3eb0 RBP: 0000000020000040 R08: 00007ff980fa3ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200000c0 R13: 00007ff980fa3eb0 R14: 000000000000552d R15: 00000000200003c0 ================================================================================