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: 0 PID: 3540 Comm: syz-executor912 Not tainted 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __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:2510 xtTruncate+0xe58/0x3260 fs/jfs/jfs_xtree.c:2467 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:664 __dentry_kill+0x436/0x650 fs/dcache.c:607 shrink_dentry_list+0x398/0x6a0 fs/dcache.c:1201 shrink_dcache_parent+0xc9/0x480 do_one_tree+0x23/0xe0 fs/dcache.c:1682 shrink_dcache_for_umount+0x79/0x120 fs/dcache.c:1699 generic_shutdown_super+0x63/0x340 fs/super.c:473 kill_block_super+0x7a/0xe0 fs/super.c:1450 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x6fb/0x2300 kernel/exit.c:869 do_group_exit+0x202/0x2b0 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+0x3b/0x40 kernel/exit.c:1028 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: 0033:0x7f544b4c69c9 Code: Unable to access opcode bytes at 0x7f544b4c699f. RSP: 002b:00007ffe6afb1ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f544b541330 RCX: 00007f544b4c69c9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f544b53be40 R10: 00007ffe6afb1dc0 R11: 0000000000000246 R12: 00007f544b541330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 ================================================================================