================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/super.c:140:14 shift exponent 1749508610 is too large for 64-bit type 's64' (aka 'long long') CPU: 0 PID: 19790 Comm: syz-executor.0 Not tainted 6.1.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 jfs_statfs+0x503/0x510 fs/jfs/super.c:140 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x136/0x310 fs/statfs.c:90 ovl_check_namelen fs/overlayfs/super.c:916 [inline] ovl_lower_dir fs/overlayfs/super.c:936 [inline] ovl_get_lowerstack+0x1de/0x1dc0 fs/overlayfs/super.c:1832 ovl_fill_super+0x155d/0x2790 fs/overlayfs/super.c:2100 mount_nodev+0x52/0xe0 fs/super.c:1447 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1531 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f280048b639 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f28011a1168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f28005abf80 RCX: 00007f280048b639 RDX: 00000000200000c0 RSI: 0000000020000200 RDI: 0000000000000000 RBP: 00007f28004e6ae9 R08: 0000000020000480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcaf48a39f R14: 00007f28011a1300 R15: 0000000000022000 ================================================================================