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

Status: upstream: reported C repro on 2023/03/16 13:52
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+8a0ad0c54d7928463823@syzkaller.appspotmail.com
First crash: 647d, last: 16h10m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/11/14 linux-5.15.y (ToT) 80529b4968a8 C [report] UBSAN: array-index-out-of-bounds in txCommit
2023/11/14 upstream (ToT) 9bacdd8996c7 C Didn't crash
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 UBSAN: array-index-out-of-bounds in xtInsert origin:lts-only C done 717 1h46m 647d 0/3 upstream: reported C repro on 2023/03/16 13:35
upstream UBSAN: array-index-out-of-bounds in xtInsert jfs C error done 1187 391d 818d 0/28 auto-obsoleted due to no activity on 2024/02/19 22:20
▶ ▼ Fix bisection attempts (8)
Created Duration User Patch Repo Result
2024/10/15 01:22 0m fix candidate upstream error job log
2024/09/09 11:21 33m fix candidate upstream error job log
2024/07/09 21:26 21m fix candidate upstream error job log
2024/04/28 07:01 25m fix candidate upstream error job log
2024/03/24 13:24 17m fix candidate upstream error job log
2024/02/23 01:16 17m fix candidate upstream error job log
2024/01/20 22:34 17m fix candidate upstream error job log
2023/12/20 03:57 27m fix candidate upstream error job log

Sample crash report:
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:633:9
index 19 is out of range for type 'xad_t[18]' (aka 'struct xad[18]')
CPU: 0 PID: 3571 Comm: syz-executor119 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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
 xtInsert+0xf41/0xfa0 fs/jfs/jfs_xtree.c:633
 extAlloc+0xa70/0x1000 fs/jfs/jfs_extent.c:148
 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
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xacd/0xe50 fs/read_write.c:594
 ksys_write+0x1a2/0x2c0 fs/read_write.c:647
 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: 0033:0x7effce05c069
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:00007effcdff9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007effce0e9618 RCX: 00007effce05c069
RDX: 000000000f642e7e RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007effce0e9610 R08: 00007ffe14ed3a77 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007effce0b63b8
R13: 00007effce0b0060 R14: 0030656c69662f2e R15: 6465646165726874
 </TASK>
================================================================================

Crashes (1014):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/21 07:33 linux-5.15.y 3a5928702e71 6f888b75 .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 xtInsert
2024/09/15 16:02 linux-5.15.y 3a5928702e71 08d8a733 .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 xtInsert
2024/06/07 08:03 linux-5.15.y c61bd26ae81a 121701b6 .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 xtInsert
2024/05/01 16:39 linux-5.15.y b925f60c6ee7 3ba885bc .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/02/24 03:31 linux-5.15.y 458ce51d0356 8d446f15 .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 xtInsert
2023/11/18 14:15 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 xtInsert
2023/11/14 05:29 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 xtInsert
2023/08/14 20:55 linux-5.15.y 24c4de4069cb 39990d51 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2023/05/27 23:24 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in xtInsert
2023/07/17 08:08 linux-5.15.y d54cfc420586 35d9ecc5 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2023/06/22 12:53 linux-5.15.y f67653019430 79782afc .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/22 04:12 linux-5.15.y 91786f140358 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/22 01:36 linux-5.15.y 91786f140358 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/20 16:44 linux-5.15.y 91786f140358 0f61b415 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/19 10:36 linux-5.15.y 963e654022cc 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/19 08:43 linux-5.15.y 963e654022cc 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/18 02:20 linux-5.15.y 963e654022cc a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/16 16:49 linux-5.15.y 963e654022cc eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/16 06:12 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/16 03:43 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/15 23:53 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/15 22:25 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/15 07:33 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/14 02:20 linux-5.15.y 0a51d2d4527b 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/13 13:59 linux-5.15.y 0a51d2d4527b 3547e30f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/13 02:16 linux-5.15.y 0a51d2d4527b 530e80f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/13 00:04 linux-5.15.y 0a51d2d4527b 530e80f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/12 08:35 linux-5.15.y 0a51d2d4527b 6f1b0fa8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/11 09:39 linux-5.15.y 0a51d2d4527b cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/11 06:20 linux-5.15.y 0a51d2d4527b cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/11 04:06 linux-5.15.y 0a51d2d4527b cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/10 09:54 linux-5.15.y 0a51d2d4527b cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 20:44 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 18:35 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 16:41 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 07:06 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 02:50 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/09 02:29 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/08 21:04 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/08 02:23 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/07 11:47 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/07 02:24 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/07 01:10 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/06 00:42 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/05 18:45 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/03 09:50 linux-5.15.y 0a51d2d4527b 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/03 08:03 linux-5.15.y 0a51d2d4527b 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/02 19:24 linux-5.15.y 0a51d2d4527b b499ea68 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/02 08:49 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/02 07:11 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/01 23:16 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/01 18:28 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/01 14:42 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/01 13:39 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: array-index-out-of-bounds in xtInsert
2024/12/18 16:03 linux-5.15.y 963e654022cc a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in xtInsert
2024/12/06 05:24 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in xtInsert
2023/03/16 13:52 linux-5.15.y 2ddbd0f967b3 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: array-index-out-of-bounds in xtInsert
* Struck through repros no longer work on HEAD.