loop4: detected capacity change from 0 to 32789
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/bcachefs/super-io.c:653:3
shift exponent 106 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 20960 Comm: syz-executor.4 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:114
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2a5/0x480 lib/ubsan.c:468
 read_one_super.cold+0x19/0x1e fs/bcachefs/super-io.c:653
 __bch2_read_super+0x4d6/0x12a0 fs/bcachefs/super-io.c:750
 bch2_fs_open+0x3e5/0x1110 fs/bcachefs/super.c:2070
 bch2_mount+0xdea/0x11d0 fs/bcachefs/fs.c:1917
 legacy_get_tree+0x109/0x220 fs/fs_context.c:662
 vfs_get_tree+0x8f/0x380 fs/super.c:1780
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca9587e5aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca966bcef8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fca966bcf80 RCX: 00007fca9587e5aa
RDX: 0000000020011a00 RSI: 0000000020000780 RDI: 00007fca966bcf40
RBP: 0000000020011a00 R08: 00007fca966bcf80 R09: 0000000001200014
R10: 0000000001200014 R11: 0000000000000206 R12: 0000000020000780
R13: 00007fca966bcf40 R14: 00000000000119fa R15: 00000000200007c0
 </TASK>
---[ end trace ]---