syzbot


BUG: MAX_STACK_TRACE_ENTRIES too low!

Status: upstream: reported C repro on 2024/03/19 07:46
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+d83eeff73983945eae3d@syzkaller.appspotmail.com
First crash: 612d, last: 13d
Fix commit to backport (bisect log) :
tree: upstream
commit 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0
Author: Song Liu <songliubraving@fb.com>
Date: Fri Feb 4 18:57:42 2022 +0000

  bpf, x86_64: Use bpf_jit_binary_pack_alloc

  
Bug presence (2)
Date Name Commit Repro Result
2024/05/02 linux-5.15.y (ToT) b925f60c6ee7 C [report] BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/05/02 upstream (ToT) 0106679839f7 C Didn't crash
Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 BUG: MAX_STACK_TRACE_ENTRIES too low! origin:lts-only -1 C unreliable 1 58d 58d 0/2 upstream: reported C repro on 2025/09/23 14:36
upstream BUG: MAX_STACK_TRACE_ENTRIES too low! (3) net -1 2 1675d 1676d 20/29 fixed on 2021/11/10 00:50
upstream BUG: MAX_STACK_TRACE_ENTRIES too low! (2) -1 C done 5045 2260d 2429d 13/29 fixed on 2019/10/15 23:40
upstream BUG: MAX_STACK_TRACE_ENTRIES too low! (4) bpf -1 C done unreliable 31 244d 420d 0/29 auto-obsoleted due to no activity on 2025/08/31 03:03
upstream BUG: MAX_STACK_TRACE_ENTRIES too low! -1 C done 1725 2430d 2456d 11/29 fixed on 2019/03/28 12:00
linux-6.1 BUG: MAX_STACK_TRACE_ENTRIES too low! origin:lts-only -1 C inconclusive 3 73d 244d 0/3 upstream: reported C repro on 2025/03/22 10:39
Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/10/26 14:43 19m retest repro linux-5.15.y report log
2025/10/26 14:43 11m retest repro linux-5.15.y report log
2025/10/26 14:43 15m retest repro linux-5.15.y report log
2025/10/26 14:43 21m retest repro linux-5.15.y report log
2025/10/26 14:43 15m retest repro linux-5.15.y report log
2025/10/12 06:33 21m retest repro linux-5.15.y report log
2025/10/12 06:33 16m retest repro linux-5.15.y report log
2025/10/12 06:33 18m retest repro linux-5.15.y report log
2025/10/12 06:33 20m retest repro linux-5.15.y report log
2025/10/12 06:33 17m retest repro linux-5.15.y report log
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/05/14 09:46 7h38m fix candidate upstream OK (1) job log

Sample crash report:
BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 0 PID: 322 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 save_trace+0x85f/0xa80 kernel/locking/lockdep.c:547
 check_prev_add kernel/locking/lockdep.c:3114 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x3b0b/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
 htab_lock_bucket kernel/bpf/hashtab.c:183 [inline]
 htab_map_delete_elem+0x1b2/0x520 kernel/bpf/hashtab.c:1361
 bpf_prog_2c29ac5cdc6b1842+0x3a/0xe5c
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run3+0x17e/0x320 kernel/trace/bpf_trace.c:1916
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 __traceiter_kmem_cache_free+0x30/0x50 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x1e7/0x210 mm/slub.c:3521
 batadv_forw_packet_free+0x5c/0x1e0 net/batman-adv/send.c:471
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Crashes (40):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/08 09:47 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/08/12 02:54 linux-5.15.y c79648372d02 c06e8995 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/06/05 17:11 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/06/05 11:12 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/05/22 20:22 linux-5.15.y 98f47d0e9b8c 0919b50b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/05/03 08:58 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/04/14 08:35 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/04/06 23:38 linux-5.15.y 0c935c049b5c 1c65791e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/04/05 11:19 linux-5.15.y 0c935c049b5c c53ea9c9 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/03/13 04:32 linux-5.15.y c16c81c81336 1a5d9317 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/02/19 14:02 linux-5.15.y c16c81c81336 9a14138f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/02/14 18:47 linux-5.15.y c16c81c81336 1022af74 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/02/10 21:17 linux-5.15.y c16c81c81336 43f51a00 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/02/08 12:20 linux-5.15.y c16c81c81336 ef44b750 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/02/07 18:22 linux-5.15.y c16c81c81336 53657d1b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/01/31 14:11 linux-5.15.y 003148680b79 4c6ac32f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/01/23 02:18 linux-5.15.y 4735586da88e a44b0418 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/01/18 17:32 linux-5.15.y 4735586da88e f2cb035c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/11/02 05:50 linux-5.15.y 72244eab0dad f00eed24 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/29 02:16 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/28 06:36 linux-5.15.y 3a5928702e71 440b26ec .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/24 04:06 linux-5.15.y 3a5928702e71 89298aad .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/20 23:01 linux-5.15.y 3a5928702e71 6f888b75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/18 17:18 linux-5.15.y 3a5928702e71 c673ca06 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/17 03:07 linux-5.15.y 3a5928702e71 c673ca06 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/08 03:01 linux-5.15.y 14e468424d3e 9750182a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/07 09:15 linux-5.15.y 14e468424d3e 9750182a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/09/06 07:44 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/08/31 19:39 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/07/03 03:54 linux-5.15.y 4878aadf2d15 07f0a0a0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/06/23 22:10 linux-5.15.y 4878aadf2d15 edc5149a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/04/02 20:39 linux-5.15.y 9465fef4ae35 eb2966c4 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/03/29 20:37 linux-5.15.y 9465fef4ae35 c52bcb23 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/03/21 04:36 linux-5.15.y b95c01af2113 5b7d42ae .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/03/21 00:42 linux-5.15.y b95c01af2113 5b7d42ae .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/03/19 07:45 linux-5.15.y b95c01af2113 baa80228 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/03/31 15:48 linux-5.15.y 0c935c049b5c d3999433 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/01/19 21:25 linux-5.15.y 4735586da88e f2cb035c .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/07/18 04:06 linux-5.15.y f45bea23c39c 0f902625 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf BUG: MAX_STACK_TRACE_ENTRIES too low!
2024/07/03 01:10 linux-5.15.y 4878aadf2d15 07f0a0a0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: MAX_STACK_TRACE_ENTRIES too low!
* Struck through repros no longer work on HEAD.