syzbot

MINIX-fs: mounting unchecked file system, running fsck is recommended
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UBSAN: shift-out-of-bounds in fs/minix/bitmap.c:103:3
shift exponent 34 is too large for 32-bit type 'unsigned int'
CPU: 1 PID: 3602 Comm: syz-executor385 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322
 minix_count_free_blocks.cold+0x16/0x1b fs/minix/bitmap.c:103
 minix_statfs+0x22a/0x490 fs/minix/inode.c:381
 statfs_by_dentry+0x133/0x210 fs/statfs.c:66
 vfs_statfs fs/statfs.c:90 [inline]
 user_statfs+0xa9/0x160 fs/statfs.c:105
 __do_sys_statfs+0x7a/0xf0 fs/statfs.c:195
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f23cb13ddc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc64bc7b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000089
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f23cb13ddc9
RDX: 00007f23cb0fc2f3 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f23cb0fd5c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffc64bc7a00 R11: 0000000000000246 R12: 00007f23cb0fd650
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
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