ERROR: (device loop0): xtTruncate: XT_GETPAGE: xtree page corrupt ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_imap.c:881:9 shift exponent 8205 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 4037 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+0x57/0x7d lib/dump_stack.c:106 ubsan_epilogue+0x5/0x36 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xef lib/ubsan.c:322 diFree.cold+0x16/0x61 fs/jfs/jfs_imap.c:881 jfs_evict_inode+0x331/0x420 fs/jfs/inode.c:156 evict+0x296/0x5d0 fs/inode.c:664 __dentry_kill+0x315/0x560 fs/dcache.c:607 shrink_dentry_list+0x1c5/0x660 fs/dcache.c:1201 shrink_dcache_parent+0x178/0x2a0 fs/dcache.c:1652 do_one_tree fs/dcache.c:1682 [inline] shrink_dcache_for_umount+0x5c/0x2e0 fs/dcache.c:1699 generic_shutdown_super+0x5c/0x3b0 fs/super.c:473 kill_block_super+0x90/0xd0 fs/super.c:1428 deactivate_locked_super+0x7b/0x130 fs/super.c:332 cleanup_mnt+0x253/0x360 fs/namespace.c:1186 task_work_run+0x12b/0x220 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb08d28ba17 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffff9120db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb08d28ba17 RDX: 00007ffff9120e89 RSI: 000000000000000a RDI: 00007ffff9120e80 RBP: 00007ffff9120e80 R08: 00000000ffffffff R09: 00007ffff9120c50 R10: 0000555556fe48b3 R11: 0000000000000246 R12: 00007fb08d2e45d6 R13: 00007ffff9121f40 R14: 0000555556fe4810 R15: 00007ffff9121f80 ================================================================================