================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:776:12 shift exponent 1834973817 is too large for 64-bit type 'long long' CPU: 0 PID: 31434 Comm: kworker/u4:10 Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: writeback wb_workfn (flush-7:5) 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 dbAlloc+0xbdc/0xc90 fs/jfs/jfs_dmap.c:776 extBalloc fs/jfs/jfs_extent.c:321 [inline] extAlloc+0x4b9/0xff0 fs/jfs/jfs_extent.c:122 jfs_get_block+0x342/0xce0 fs/jfs/inode.c:248 __mpage_writepage+0x3f5/0x1900 fs/mpage.c:533 write_cache_pages+0x7cd/0x1340 mm/page-writeback.c:2360 mpage_writepages+0xf1/0x1c0 fs/mpage.c:664 do_writepages+0x3c3/0x680 mm/page-writeback.c:2469 __writeback_single_inode+0xd1/0x670 fs/fs-writeback.c:1587 writeback_sb_inodes+0xb3b/0x18f0 fs/fs-writeback.c:1870 wb_writeback+0x41f/0x7b0 fs/fs-writeback.c:2044 wb_do_writeback fs/fs-writeback.c:2187 [inline] wb_workfn+0x3cb/0xef0 fs/fs-writeback.c:2227 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ================================================================================