syzbot


WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options.

Status: auto-obsoleted due to no activity on 2024/04/09 00:34
Subsystems: reiserfs
[Documentation on labels]
First crash: 640d, last: 609d
Cause bisection: introduced by (bisect log) :
commit 13d257503c0930010ef9eed78b689cec417ab741
Author: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Date: Fri Jul 9 15:29:29 2021 +0000

  reiserfs: check directory items on read from disk

Crash: kernel panic: corrupted stack end in corrupted (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@suse.cz>
Date: Wed Nov 1 17:43:10 2023 +0000

  fs: Block writes to mounted block devices

  
Last patch testing requests (1)
Created Duration User Patch Repo Result
2023/12/05 12:27 13m retest repro upstream report log
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2024/01/29 13:03 10h04m bisect fix upstream OK (1) job log
2023/12/21 19:39 2h21m bisect fix upstream OK (0) job log log

Sample crash report:
Spectre V2 : User space: Mitigation: STIBP always-on protection
Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
Speculative Return Stack Overflow: IBPB-extending microcode not applied!
Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options.
Speculative Return Stack Overflow: WARNING: kernel not compiled with CPU_SRSO.
Speculative Return Stack Overflow: Vulnerable: No microcode
x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format.
Freeing SMP alternatives memory: 120K
pid_max: default: 32768 minimum: 301
LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,integrity
landlock: Up and running.
Yama: becoming mindful.
TOMOYO Linux initialized
AppArmor: AppArmor initialized
LSM support for eBPF active
Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Running RCU synchronous self tests
Running RCU synchronous self tests

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/21 11:56 upstream 98b1cc82c4af cb976f63 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options.
2023/11/21 11:38 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options.
* Struck through repros no longer work on HEAD.