================================================================================ 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: 119 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #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+0xcd/0x134 lib/dump_stack.c:106 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322 dbJoin.cold+0x19/0x1e fs/jfs/jfs_dmap.c:2760 dbAdjCtl+0x703/0x900 fs/jfs/jfs_dmap.c:2500 dbFreeDmap+0xd3/0x1a0 fs/jfs/jfs_dmap.c:2064 dbFree+0x250/0x540 fs/jfs/jfs_dmap.c:379 txFreeMap+0x70a/0xd70 fs/jfs/jfs_txnmgr.c:2510 xtTruncate+0x1d2a/0x2720 fs/jfs/jfs_xtree.c:2467 jfs_free_zero_link+0x33b/0x4a0 fs/jfs/namei.c:758 jfs_evict_inode+0x40f/0x4a0 fs/jfs/inode.c:153 evict+0x2ed/0x6b0 fs/inode.c:664 iput_final fs/inode.c:1747 [inline] iput.part.0+0x55d/0x810 fs/inode.c:1773 iput+0x58/0x70 fs/inode.c:1763 txUpdateMap+0x97c/0xc50 fs/jfs/jfs_txnmgr.c:2362 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline] jfs_lazycommit+0x5bb/0xaa0 fs/jfs/jfs_txnmgr.c:2727 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ================================================================================