syzbot


UBSAN: array-index-out-of-bounds in txCommit

Status: upstream: reported C repro on 2022/10/17 07:55
Reported-by: syzbot+0558d19c373e44da3c18@syzkaller.appspotmail.com
First crash: 41d, last: 8h58m

Sample crash report:
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_txnmgr.c:1738:5
index 18 is out of range for type 'xad_t [18]'
CPU: 1 PID: 3636 Comm: syz-executor352 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __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_out_of_bounds+0xdb/0x130 lib/ubsan.c:283
 xtLog fs/jfs/jfs_txnmgr.c:1738 [inline]
 txLog fs/jfs/jfs_txnmgr.c:1391 [inline]
 txCommit+0x3fb5/0x6d40 fs/jfs/jfs_txnmgr.c:1259
 jfs_commit_inode+0x342/0x5a0 fs/jfs/inode.c:108
 extAlloc+0xc93/0xff0 fs/jfs/jfs_extent.c:172
 jfs_get_block+0x342/0xce0 fs/jfs/inode.c:248
 __block_write_begin_int+0x54c/0x1a80 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x93/0x1e0 fs/buffer.c:2102
 jfs_write_begin+0x2d/0x60 fs/jfs/inode.c:304
 generic_perform_write+0x2e4/0x5e0 mm/filemap.c:3753
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3881
 generic_file_write_iter+0xab/0x310 mm/filemap.c:3913
 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: 0033:0x7f12751c65e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 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:00007f12751512f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f12752517f0 RCX: 00007f12751c65e9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f127521e0e4 R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 65732f636f72702f
R13: 0030656c69662f2e R14: 0031656c69662f2e R15: 00007f12752517f8
 </TASK>
================================================================================

Crashes (33):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-fs 2022/11/26 17:09 upstream 644e9524388a f4470a7b .config log report syz C UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/26 17:35 upstream 644e9524388a f4470a7b .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/26 17:21 upstream 644e9524388a f4470a7b .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/26 16:51 upstream 644e9524388a f4470a7b .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/21 07:56 upstream eb7081409f94 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/21 00:23 upstream 77c51ba552a1 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/20 18:24 upstream 77c51ba552a1 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/20 13:11 upstream fe24a97cf254 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/20 13:06 upstream fe24a97cf254 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/20 11:14 upstream fe24a97cf254 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/20 00:42 upstream fe24a97cf254 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/19 17:52 upstream ab290eaddc4c 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/19 16:06 upstream ab290eaddc4c 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/19 15:17 upstream ab290eaddc4c 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/19 01:11 upstream ab290eaddc4c 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/18 19:06 upstream 84368d882b96 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/18 18:55 upstream 84368d882b96 5bb70014 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/17 05:13 upstream 59d0d52c30d4 3a127a31 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/16 07:51 upstream 81e7cfa3a9eb 3a127a31 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/15 15:59 upstream e01d50cbd6ee 97de9cfc .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/15 13:59 upstream e01d50cbd6ee 97de9cfc .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/14 14:55 upstream 094226ad94f4 943f4cb8 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/13 09:59 upstream fef7fd48922d f42ee5d8 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/11 13:38 upstream 4bbf3422df78 f42ee5d8 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/11 09:52 upstream 4bbf3422df78 f42ee5d8 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/11/02 01:15 upstream b229b6ca5abb 08977f5d .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/31 00:08 upstream b229b6ca5abb 2a71366b .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci-upstream-kasan-gce-smack-root 2022/10/27 04:44 upstream 98555239e4c3 86777b7f .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/25 16:31 upstream 337a0a0b63f1 45645420 .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/24 05:43 upstream d47136c28015 23bf86af .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/22 05:41 upstream 440b7895c990 63e790dd .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/20 04:20 upstream 493ffd6605b2 b31320fc .config log report info UBSAN: array-index-out-of-bounds in txCommit
ci2-upstream-fs 2022/10/16 15:48 upstream 493ffd6605b2 67cb024c .config log report info UBSAN: array-index-out-of-bounds in txCommit
* Struck through repros no longer work on HEAD.