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UBSAN: array-index-out-of-bounds in txCommit (2)

Status: upstream: reported C repro on 2023/11/14 02:25
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+18f56c2d4eb23f2e3179@syzkaller.appspotmail.com
First crash: 373d, last: 1d06h
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/11/19 linux-5.15.y (ToT) 80529b4968a8 C [report] UBSAN: array-index-out-of-bounds in txCommit
2023/11/19 upstream (ToT) 037266a5f723 C Didn't crash
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream UBSAN: array-index-out-of-bounds in txCommit jfs C error done 396 384d 766d 25/28 fixed on 2024/01/08 11:23
linux-5.15 UBSAN: array-index-out-of-bounds in txCommit 1 572d 572d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:03
linux-6.1 UBSAN: array-index-out-of-bounds in txCommit 1 504d 504d 0/3 auto-obsoleted due to no activity on 2023/10/14 03:47
linux-6.1 UBSAN: array-index-out-of-bounds in txCommit (2) origin:lts-only C done 49 21h41m 382d 0/3 upstream: reported C repro on 2023/11/05 09:28
upstream general protection fault in txCommit jfs 1 99d 95d 0/28 auto-obsoleted due to no activity on 2024/11/12 17:04
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/11/09 12:16 12m retest repro linux-5.15.y report log
2024/10/06 07:21 11m retest repro linux-5.15.y report log
2024/10/06 07:21 8m retest repro linux-5.15.y report log
2024/10/06 07:21 13m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/12/09 14:29 8h36m fix candidate upstream OK (1) job log

Sample crash report:
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_txnmgr.c:1777:5
index 18 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 1 PID: 3568 Comm: syz-executor191 Not tainted 5.15.168-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282
 xtLog fs/jfs/jfs_txnmgr.c:1777 [inline]
 txLog fs/jfs/jfs_txnmgr.c:1396 [inline]
 txCommit+0x3f07/0x6ba0 fs/jfs/jfs_txnmgr.c:1264
 jfs_commit_inode+0x362/0x580 fs/jfs/inode.c:108
 extAlloc+0xca8/0x1000 fs/jfs/jfs_extent.c:175
 jfs_get_block+0x417/0xe50 fs/jfs/inode.c:258
 nobh_write_begin+0x398/0xda0 fs/buffer.c:2650
 jfs_write_begin+0x3e/0x80 fs/jfs/inode.c:322
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
 __generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3912
 generic_file_write_iter+0xa7/0x1b0 mm/filemap.c:3944
 do_iter_readv_writev+0x594/0x7a0
 do_iter_write+0x1e6/0x760 fs/read_write.c:855
 iter_file_splice_write+0x806/0xfa0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe3/0x1c0 fs/splice.c:936
 splice_direct_to_actor+0x500/0xc10 fs/splice.c:891
 do_splice_direct+0x285/0x3d0 fs/splice.c:979
 do_sendfile+0x622/0x1000 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f917b124169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f917b0c1218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f917b1b1658 RCX: 00007f917b124169
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007f917b1b1650 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000100001 R11: 0000000000000246 R12: 00007f917b17dfec
R13: 0031656c69662f2e R14: 007570637265705f R15: 0700000000000000
 </TASK>
================================================================================

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/20 17:14 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/04/20 18:43 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/11/19 08:55 linux-5.15.y 80529b4968a8 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/03/17 00:45 linux-5.15.y b95c01af2113 d615901c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in txCommit
2024/11/20 11:34 linux-5.15.y 0a51d2d4527b 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/20 11:32 linux-5.15.y 0a51d2d4527b 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/18 00:22 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/18 00:19 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/16 14:19 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/16 14:17 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/11/16 03:02 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/10/20 16:36 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/10/17 04:54 linux-5.15.y 3a5928702e71 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/10/17 04:53 linux-5.15.y 3a5928702e71 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/06/21 07:37 linux-5.15.y 4878aadf2d15 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/06/21 06:47 linux-5.15.y 4878aadf2d15 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/03/08 09:31 linux-5.15.y 574362648507 cf82cde1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/01/20 09:01 linux-5.15.y ddcaf4999061 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/12/12 01:11 linux-5.15.y 8a1d809b0545 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/12/11 06:58 linux-5.15.y 8a1d809b0545 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/12/11 06:28 linux-5.15.y 8a1d809b0545 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/11/23 21:59 linux-5.15.y 2a910f4af54d 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/11/19 07:37 linux-5.15.y 80529b4968a8 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2023/11/14 02:24 linux-5.15.y 80529b4968a8 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in txCommit
2024/10/26 00:24 linux-5.15.y 74cdd62cb470 045e728d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in txCommit
2024/10/26 00:22 linux-5.15.y 74cdd62cb470 045e728d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in txCommit
2024/03/17 00:24 linux-5.15.y b95c01af2113 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in txCommit
* Struck through repros no longer work on HEAD.