From: kernel test robot <oliver.sang@intel.com>
To: Uladzislau Rezki <urezki@gmail.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>, Baoquan He <bhe@redhat.com>,
Alexander Potapenko <glider@google.com>,
"Andrey Ryabinin" <ryabinin.a.a@gmail.com>,
Marco Elver <elver@google.com>,
"Michal Hocko" <mhocko@kernel.org>, <linux-mm@kvack.org>,
<oliver.sang@intel.com>
Subject: [linus:master] [mm] c6307674ed: BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c
Date: Tue, 21 Apr 2026 15:45:26 +0800 [thread overview]
Message-ID: <202604211323.fac1b29e-lkp@intel.com> (raw)
Hello,
kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c" on:
commit: c6307674ed82c0c57d6e1e3408e84ac449ab8e94 ("mm: kvmalloc: add non-blocking support for vmalloc")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master 40286d6379aacfcc053253ef78dc78b09addffda]
[test failed on linux-next/master 936c21068d7ade00325e40d82bfd2f3f29d9f659]
in testcase: kunit
version:
with following parameters:
group: group-01
config: x86_64-rhel-9.4-kunit
compiler: gcc-14
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202604211323.fac1b29e-lkp@intel.com
[ 149.217862][ T4054] BUG: sleeping function called from invalid context at mm/vmalloc.c:3435
[ 149.226291][ T4054] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4054, name: rhashtable_thra
[ 149.235634][ T4054] preempt_count: 0, expected: 0
[ 149.240353][ T4054] RCU nest depth: 1, expected: 0
[ 149.245166][ T4054] CPU: 1 UID: 0 PID: 4054 Comm: rhashtable_thra Tainted: G S B N 6.18.0-rc5-00047-gc6307674ed82 #1 PREEMPT(voluntary)
[ 149.245176][ T4054] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST
[ 149.245178][ T4054] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[ 149.245181][ T4054] Call Trace:
[ 149.245185][ T4054] <TASK>
[ 149.245189][ T4054] dump_stack_lvl (lib/dump_stack.c:122)
[ 149.245200][ T4054] __might_resched.cold (kernel/sched/core.c:8928)
[ 149.245209][ T4054] vfree (include/linux/kernel.h:61 mm/vmalloc.c:3435)
[ 149.245215][ T4054] rhashtable_try_insert (lib/rhashtable.c:476 lib/rhashtable.c:635)
[ 149.245223][ T4054] ? sysvec_apic_timer_interrupt (arch/x86/include/asm/hardirq.h:78 (discriminator 2) arch/x86/kernel/apic/apic.c:1052 (discriminator 2))
[ 149.245229][ T4054] ? sysvec_apic_timer_interrupt (arch/x86/include/asm/hardirq.h:78 (discriminator 2) arch/x86/kernel/apic/apic.c:1052 (discriminator 2))
[ 149.245235][ T4054] ? __pfx_rhashtable_try_insert (lib/rhashtable.c:592)
[ 149.245242][ T4054] rhashtable_insert_slow (lib/rhashtable.c:648)
[ 149.245247][ T4054] insert_retry+0x257/0x630 test_rhashtable
[ 149.245260][ T4054] threadfunc (lib/test_rhashtable.c:633) test_rhashtable
[ 149.245269][ T4054] ? try_to_wake_up (kernel/sched/core.c:4297)
[ 149.245275][ T4054] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:107 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:111 (discriminator 4) kernel/locking/spinlock.c:162 (discriminator 4))
[ 149.245281][ T4054] ? __pfx_threadfunc (lib/test_rhashtable.c:618) test_rhashtable
[ 149.245289][ T4054] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:402)
[ 149.245295][ T4054] ? __kthread_parkme (arch/x86/include/asm/bitops.h:202 (discriminator 1) arch/x86/include/asm/bitops.h:232 (discriminator 1) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[ 149.245301][ T4054] ? __pfx_threadfunc (lib/test_rhashtable.c:618) test_rhashtable
[ 149.245309][ T4054] ? __pfx_threadfunc (lib/test_rhashtable.c:618) test_rhashtable
[ 149.245317][ T4054] kthread (kernel/kthread.c:463)
[ 149.245322][ T4054] ? __pfx_kthread (kernel/kthread.c:412)
[ 149.245326][ T4054] ? __pfx__raw_spin_lock_irq (kernel/locking/spinlock.c:169)
[ 149.245331][ T4054] ? __pfx_kthread (kernel/kthread.c:412)
[ 149.245335][ T4054] ? __pfx_kthread (kernel/kthread.c:412)
[ 149.245339][ T4054] ret_from_fork (arch/x86/kernel/process.c:164)
[ 149.245344][ T4054] ? __pfx_kthread (kernel/kthread.c:412)
[ 149.245348][ T4054] ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[ 149.245356][ T4054] </TASK>
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260421/202604211323.fac1b29e-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-04-21 7:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 7:45 kernel test robot [this message]
2026-04-21 12:36 ` [linus:master] [mm] c6307674ed: BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c Uladzislau Rezki
2026-04-22 5:32 ` Herbert Xu
2026-04-22 7:17 ` Uladzislau Rezki
2026-04-22 7:59 ` Herbert Xu
2026-04-22 8:18 ` [PATCH] rhashtable: Check for vmalloc in emergency rehash error path Herbert Xu
2026-04-22 8:32 ` [linus:master] [mm] c6307674ed: BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c Uladzislau Rezki
2026-04-23 3:34 ` Herbert Xu
2026-04-27 8:53 ` Vlastimil Babka
2026-04-27 14:17 ` Uladzislau Rezki
2026-04-27 14:37 ` Vlastimil Babka
2026-04-27 16:19 ` Uladzislau Rezki
2026-04-28 1:29 ` Herbert Xu
2026-04-28 12:04 ` Uladzislau Rezki
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