syzbot

 sign-in | mailing list | source | docs
🐞 Open [967] ≡ Subsystems 🐞 Fixed [4557] 🐞 Invalid [10489] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

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

Status: upstream: reported C repro on 2022/09/26 16:32
Labels: jfs (incorrect?)
Reported-by: syzbot+55a7541cfd25df68109e@syzkaller.appspotmail.com
First crash: 246d, last: 12h02m

Cause bisection: failed (error log, bisect log)
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly jfs report (May 2023) 0 (1) 2023/05/30 08:18
[syzbot] Monthly jfs report (Apr 2023) 0 (1) 2023/04/27 10:36
[syzbot] Monthly jfs report 0 (1) 2023/03/27 11:07
[syzbot] UBSAN: array-index-out-of-bounds in xtInsert 0 (1) 2022/09/26 16:32
▶ ▼ 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:upstream syz 20 3d18h 74d 0/3 upstream: reported syz repro on 2023/03/16 13:35
linux-5.15 UBSAN: array-index-out-of-bounds in xtInsert origin:upstream syz 64 2d10h 74d 0/3 upstream: reported syz repro on 2023/03/16 13:52

Sample crash report:
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:622:9
index 19 is out of range for type 'xad_t [18]'
CPU: 1 PID: 5078 Comm: syz-executor296 Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #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+0x1b1/0x290 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xe0/0x110 lib/ubsan.c:282
 xtInsert+0xf2f/0xff0 fs/jfs/jfs_xtree.c:622
 extAlloc+0xa5d/0xff0 fs/jfs/jfs_extent.c:145
 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:299
 generic_perform_write+0x2e4/0x5e0 mm/filemap.c:3772
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3900
 generic_file_write_iter+0xab/0x310 mm/filemap.c:3932
 call_write_iter include/linux/fs.h:2189 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7dc/0xc50 fs/read_write.c:584
 ksys_write+0x177/0x2a0 fs/read_write.c:637
 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: 0033:0x7f10bbe42b19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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:00007f10b41c3208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f10bbec67b8 RCX: 00007f10bbe42b19
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000006
RBP: 00007f10bbec67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10bbec67bc
R13: 00007ffe95898c1f R14: 00007f10b41c3300 R15: 0000000000022000
 </TASK>
================================================================================

Crashes (923):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/01/09 23:28 upstream 1fe4fd6f5cad 48bc529a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2022/11/02 21:02 upstream b229b6ca5abb 08977f5d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2022/10/31 00:46 upstream b229b6ca5abb 2a71366b .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2022/09/25 18:29 upstream 105a36f3694e 0042f2b4 .config strace log report syz C [disk image] [vmlinux] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/24 23:36 upstream 9d646009f65d 4bce1a3e .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/01/21 11:14 upstream edc00350d205 cc0f9968 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2022/12/13 00:31 upstream 830b3c68c1fb 67be1ae7 .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2022/10/19 22:06 upstream 55be6084c8e0 b31320fc .config console log report syz [disk image] [vmlinux] [mounted in repro] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/26 22:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eb0f1697d729 cf184559 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 UBSAN: array-index-out-of-bounds in xtInsert
2023/05/29 22:19 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/26 05:07 upstream 9db898594c54 b40ef614 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/25 05:41 upstream 933174ae28ba 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/24 20:44 upstream 9d646009f65d 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/24 03:31 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/24 02:24 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/23 06:34 upstream 421ca22e3138 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/21 21:43 upstream e2065b8c1b01 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/20 18:58 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/20 02:49 upstream cbd6ac3837cd 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/19 21:59 upstream cbd6ac3837cd 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/19 17:42 upstream 2d1bcbc6cd70 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/17 09:28 upstream f1fcbaa18b28 eaac4681 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/17 06:50 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/16 21:50 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/16 02:13 upstream f1fcbaa18b28 71b00cfb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/16 00:57 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/15 22:03 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/15 17:09 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/15 10:44 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/15 09:43 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/15 03:01 upstream f1fcbaa18b28 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/14 13:31 upstream bb7c241fae62 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/14 04:16 upstream d4d58949a6ea 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/13 06:40 upstream 9a48d6046722 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 21:56 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 20:10 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 15:30 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 07:05 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 06:03 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/12 03:53 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/11 23:03 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/11 18:29 upstream d295b66a7b66 0fbd49f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/07 04:06 upstream fc4354c6e5c2 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/05 08:14 upstream 78b421b6a7c6 518a39a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/03 19:37 upstream 348551ddaf31 b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/05/02 01:12 upstream c8c655c34e33 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/29 18:04 upstream 89d77f71f493 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/28 15:25 upstream 91ec4b0d11fe 70a605de .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/28 11:08 upstream 91ec4b0d11fe 70a605de .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/27 14:51 upstream 6e98b09da931 6f3d6fa7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/27 02:54 upstream 5c7ecada25d2 19a3dabe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2023/04/25 04:25 upstream 1a0beef98b58 65320f8e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: array-index-out-of-bounds in xtInsert
2022/09/25 17:53 upstream 105a36f3694e 0042f2b4 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce-smack-root UBSAN: array-index-out-of-bounds in xtInsert
2023/05/22 19:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f1fcbaa18b28 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: array-index-out-of-bounds in xtInsert
* Struck through repros no longer work on HEAD.