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UBSAN: shift-out-of-bounds in dbSplit (2)

Status: fixed on 2024/12/16 09:50
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+b5ca8a249162c4b9a7d0@syzkaller.appspotmail.com
Fix commit: a5f5e4698f8a jfs: fix shift-out-of-bounds in dbSplit
First crash: 302d, last: 56d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (11)
Title Replies (including bot) Last reply
[PATCH AUTOSEL 4.19 14/21] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:56
[PATCH AUTOSEL 5.4 17/28] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:55
[PATCH AUTOSEL 5.10 21/33] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:53
[PATCH AUTOSEL 5.15 24/36] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:51
[PATCH AUTOSEL 6.1 32/48] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:48
[PATCH AUTOSEL 6.6 39/61] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:45
[PATCH AUTOSEL 6.11 56/87] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:38
[PATCH AUTOSEL 6.12 071/107] jfs: fix shift-out-of-bounds in dbSplit 1 (1) 2024/11/24 13:29
[PATCH] jfs: fix shift-out-of-bounds in dbSplit 2 (2) 2024/10/29 21:53
UBSAN: shift-out-of-bounds in dbSplit (2) 1 (2) 2024/09/30 08:11
[syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbSplit (2) 0 (1) 2024/04/01 18:17
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 UBSAN: shift-out-of-bounds in dbSplit C done 18 71d 288d 3/3 fixed on 2025/01/09 09:39
upstream UBSAN: shift-out-of-bounds in dbSplit jfs C error done 7 393d 847d 25/28 fixed on 2024/02/09 18:10
linux-5.15 UBSAN: shift-out-of-bounds in dbSplit origin:upstream C error 36 14d 288d 0/3 upstream: reported C repro on 2024/04/15 22:09
▶ ▼ Last patch testing requests (11)
Created Duration User Patch Repo Result
2024/10/15 17:47 3h17m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/10/15 17:47 48m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/10/15 17:47 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/10/15 17:47 26m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/10/01 17:28 18m retest repro linux-next report log
2024/09/30 07:52 17m ghanshyam1898@gmail.com patch upstream OK log
2024/09/16 18:34 12m retest repro upstream report log
2024/09/16 18:34 12m retest repro upstream report log
2024/09/16 18:34 15m retest repro upstream report log
2024/07/23 10:06 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/07/23 10:06 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/08/30 14:38 1h14m bisect fix upstream OK (0) job log log

Sample crash report:
loop0: detected capacity change from 0 to 32768
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2639:11
shift exponent 80 is too large for 32-bit type 'int'
CPU: 0 PID: 5074 Comm: syz-executor427 Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:454
 dbSplit+0x21a/0x220 fs/jfs/jfs_dmap.c:2639
 dbAllocBits+0x4e5/0x9a0 fs/jfs/jfs_dmap.c:2191
 dbAllocDmap fs/jfs/jfs_dmap.c:2032 [inline]
 dbAllocDmapLev+0x250/0x4a0 fs/jfs/jfs_dmap.c:1986
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x28f/0x10b0 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x658/0xca0 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xda7/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_symlink+0x824/0x10d0 fs/jfs/namei.c:1020
 vfs_symlink+0x137/0x2a0 fs/namei.c:4481
 do_symlinkat+0x222/0x3a0 fs/namei.c:4507
 __do_sys_symlinkat fs/namei.c:4523 [inline]
 __se_sys_symlinkat fs/namei.c:4520 [inline]
 __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4520
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35f51e66b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc5e5172f8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007ffc5e5174c8 RCX: 00007f35f51e66b9
RDX: 0000000020000340 RSI: 0000000000000004 RDI: 0000000020000440
RBP: 00007f35f525f610 R08: 0000000000000000 R09: 00007ffc5e5174c8
R10: 00000000000060f8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc5e5174b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
---[ end trace ]---

Crashes (403):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/20 04:14 upstream 3cdb45594619 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: shift-out-of-bounds in dbSplit
2024/04/20 03:53 upstream 3cdb45594619 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: shift-out-of-bounds in dbSplit
2024/04/20 03:31 upstream 3cdb45594619 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: shift-out-of-bounds in dbSplit
2024/04/20 03:11 upstream 3cdb45594619 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs UBSAN: shift-out-of-bounds in dbSplit
2024/03/31 23:16 linux-next a6bd6c933339 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root UBSAN: shift-out-of-bounds in dbSplit
2024/04/18 00:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b bd38b692 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/04/18 00:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b bd38b692 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/04/18 00:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b bd38b692 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/04/17 23:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b bd38b692 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/01 22:41 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root UBSAN: shift-out-of-bounds in dbSplit
2024/04/30 09:52 upstream 98369dccd2f8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root UBSAN: shift-out-of-bounds in dbSplit
2024/04/30 08:28 upstream b947cc5bf6d7 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs UBSAN: shift-out-of-bounds in dbSplit
2024/12/03 09:03 upstream cdd30ebb1b9f bb326ffb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root UBSAN: shift-out-of-bounds in dbSplit
2024/05/02 14:49 upstream 0106679839f7 3ba885bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream UBSAN: shift-out-of-bounds in dbSplit
2024/04/15 22:08 upstream 0bbac3facb5d 459f4b00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 UBSAN: shift-out-of-bounds in dbSplit
2024/04/15 22:07 linux-next 6bd343537461 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root UBSAN: shift-out-of-bounds in dbSplit
2024/06/24 14:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/24 14:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/24 03:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/23 11:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/23 03:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/23 01:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/22 08:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/21 05:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/19 19:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/17 21:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/17 14:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/17 08:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/16 11:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/08 20:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/08 00:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/07 08:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/07 02:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/06 23:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/06 04:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/05 10:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/04 11:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/03 02:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/03 00:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/02 03:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/02 02:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/06/01 00:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/31 14:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/31 01:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/28 10:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/27 06:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/25 23:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/25 17:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/24 22:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/24 18:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/23 12:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/23 01:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/22 22:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/19 23:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/19 21:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/19 20:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/19 13:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
2024/05/19 04:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 UBSAN: shift-out-of-bounds in dbSplit
* Struck through repros no longer work on HEAD.