find_entry called with index = 0
read_mapping_page failed!
ERROR: (device loop0): txCommit: 
ERROR: (device loop0): remounting filesystem as read-only
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:381:12
shift exponent 134217736 is too large for 64-bit type 'long long'
CPU: 1 PID: 3498 Comm: syz-executor324 Not tainted 5.15.109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321
 dbFree+0x46a/0x650 fs/jfs/jfs_dmap.c:381
 txFreeMap+0x966/0xd50 fs/jfs/jfs_txnmgr.c:2544
 xtTruncate+0xe58/0x3260 fs/jfs/jfs_xtree.c:3428
 jfs_free_zero_link+0x46a/0x6e0 fs/jfs/namei.c:758
 jfs_evict_inode+0x35b/0x440 fs/jfs/inode.c:153
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 shrink_dentry_list+0x398/0x6a0 fs/dcache.c:1176
 shrink_dcache_parent+0xc9/0x480
 do_one_tree+0x23/0xe0 fs/dcache.c:1657
 shrink_dcache_for_umount+0x79/0x120 fs/dcache.c:1674
 generic_shutdown_super+0x66/0x2c0 fs/super.c:447
 kill_block_super+0x7a/0xe0 fs/super.c:1405
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:872
 do_group_exit+0x144/0x310 kernel/exit.c:994
 __do_sys_exit_group kernel/exit.c:1005 [inline]
 __se_sys_exit_group kernel/exit.c:1003 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1003
 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+0x61/0xcb
RIP: 0033:0x7f4af666a9c9
Code: Unable to access opcode bytes at RIP 0x7f4af666a99f.
RSP: 002b:00007ffed1092878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4af66e5330 RCX: 00007f4af666a9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f4af66dfe40
R10: 00007ffed1092790 R11: 0000000000000246 R12: 00007f4af66e5330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
================================================================================