================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1785:12 shift exponent 4096 is too large for 64-bit type 'long long' CPU: 0 PID: 11975 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-05118-g833477fce7a1 #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 dbAllocCtl+0x93d/0x970 fs/jfs/jfs_dmap.c:1785 dbAllocAny fs/jfs/jfs_dmap.c:1507 [inline] dbAlloc+0x5ae/0xc90 fs/jfs/jfs_dmap.c:732 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 get_more_blocks fs/direct-io.c:667 [inline] do_direct_IO fs/direct-io.c:955 [inline] __blockdev_direct_IO+0x17f7/0x3cb0 fs/direct-io.c:1268 blockdev_direct_IO include/linux/fs.h:3200 [inline] jfs_direct_IO+0xf6/0x1e0 fs/jfs/inode.c:336 generic_file_direct_write+0x294/0x610 mm/filemap.c:3662 __generic_file_write_iter+0x1c4/0x400 mm/filemap.c:3822 generic_file_write_iter+0xab/0x310 mm/filemap.c:3898 do_iter_write+0x6c2/0xc20 fs/read_write.c:861 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0xe6/0x1c0 fs/splice.c:931 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886 do_splice_direct+0x279/0x3d0 fs/splice.c:974 do_sendfile+0x5fb/0xf80 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309 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: 0033:0x7f003288a5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f00339b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f00329abf80 RCX: 00007f003288a5a9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 RBP: 00007f00328e5580 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff62b2dcef R14: 00007f00339b6300 R15: 0000000000022000 ================================================================================