================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2760:11 shift exponent 78 is too large for 32-bit type 'int' CPU: 1 PID: 122 Comm: jfsCommit Not tainted 6.0.0-syzkaller-07362-g62e6e5940c0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 dbJoin+0x2e4/0x2f0 fs/jfs/jfs_dmap.c:2760 dbAdjCtl+0x3b1/0x9c0 fs/jfs/jfs_dmap.c:2500 dbFreeDmap fs/jfs/jfs_dmap.c:2064 [inline] dbFree+0x3c6/0x660 fs/jfs/jfs_dmap.c:379 txFreeMap+0x97c/0xd70 fs/jfs/jfs_txnmgr.c:2510 xtTruncate+0xe74/0x32d0 fs/jfs/jfs_xtree.c:2467 jfs_free_zero_link+0x3f5/0x680 fs/jfs/namei.c:758 jfs_evict_inode+0x35a/0x440 fs/jfs/inode.c:153 evict+0x2a4/0x620 fs/inode.c:664 txUpdateMap+0x8eb/0xaa0 fs/jfs/jfs_txnmgr.c:2362 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline] jfs_lazycommit+0x433/0xba0 fs/jfs/jfs_txnmgr.c:2727 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ================================================================================