ERROR: (device loop0): xtTruncate: XT_GETPAGE: xtree page corrupt ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_imap.c:883:9 shift exponent 8205 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 5878 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:120 ubsan_epilogue+0x5/0x40 lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xe9 lib/ubsan.c:395 diFree.cold+0x16/0x61 fs/jfs/jfs_imap.c:883 jfs_evict_inode+0x297/0x360 fs/jfs/inode.c:154 evict+0x296/0x5d0 fs/inode.c:577 __dentry_kill+0x315/0x550 fs/dcache.c:579 shrink_dentry_list+0xe9/0x330 fs/dcache.c:1148 shrink_dcache_parent+0x184/0x2b0 fs/dcache.c:1599 do_one_tree fs/dcache.c:1629 [inline] shrink_dcache_for_umount+0x5c/0x2e0 fs/dcache.c:1646 generic_shutdown_super+0x5c/0x320 fs/super.c:447 kill_block_super+0x90/0xd0 fs/super.c:1393 deactivate_locked_super+0x7b/0x130 fs/super.c:335 cleanup_mnt+0x326/0x4c0 fs/namespace.c:1118 task_work_run+0xc0/0x160 kernel/task_work.c:140 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:174 [inline] exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f7486af5a17 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:00007ffd1237d488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7486af5a17 RDX: 00007ffd1237d559 RSI: 000000000000000a RDI: 00007ffd1237d550 RBP: 00007ffd1237d550 R08: 00000000ffffffff R09: 00007ffd1237d320 R10: 0000555556c748b3 R11: 0000000000000246 R12: 00007f7486b4e5d6 R13: 00007ffd1237e610 R14: 0000555556c74810 R15: 00007ffd1237e650 ================================================================================