find_entry called with index = 0 read_mapping_page failed! ERROR: (device loop0): txAbort: 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 int' CPU: 0 PID: 5083 Comm: syz-executor284 Not tainted 6.3.0-rc2-next-20230316-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 lib/ubsan.c:387 dbFree.cold+0x17/0x1c fs/jfs/jfs_dmap.c:381 txFreeMap+0x767/0xe30 fs/jfs/jfs_txnmgr.c:2510 xtTruncate+0x1d5f/0x27b0 fs/jfs/jfs_xtree.c:2467 jfs_free_zero_link+0x358/0x4c0 fs/jfs/namei.c:758 jfs_evict_inode+0x42c/0x4c0 fs/jfs/inode.c:153 evict+0x2ed/0x6b0 fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput fs/inode.c:1774 [inline] iput+0x4a7/0x7a0 fs/inode.c:1760 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 shrink_dentry_list+0x12c/0x4f0 fs/dcache.c:1201 shrink_dcache_parent+0x202/0x400 fs/dcache.c:1628 do_one_tree fs/dcache.c:1682 [inline] shrink_dcache_for_umount+0x75/0x340 fs/dcache.c:1699 generic_shutdown_super+0x6c/0x480 fs/super.c:472 kill_block_super+0x9b/0xf0 fs/super.c:1407 deactivate_locked_super+0x98/0x160 fs/super.c:331 deactivate_super+0xb1/0xd0 fs/super.c:362 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb0d/0x29f0 kernel/exit.c:869 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1028 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f342a0c19b9 Code: Unable to access opcode bytes at 0x7f342a0c198f. RSP: 002b:00007ffd861bb828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f342a13c330 RCX: 00007f342a0c19b9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f342a136e40 R10: 00007ffd861bb740 R11: 0000000000000246 R12: 00007f342a13c330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 ================================================================================