From: kernel test robot <oliver.sang@intel.com>
To: Marcello Sylvester Bauer <sylv@sylv.io>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-kernel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Marcello Sylvester Bauer <marcello.bauer@9elements.com>,
Alan Stern <stern@rowland.harvard.edu>,
<linux-usb@vger.kernel.org>, <oliver.sang@intel.com>
Subject: [linus:master] [usb] a7f3813e58: WARNING:inconsistent_lock_state
Date: Fri, 14 Jun 2024 14:10:29 +0800 [thread overview]
Message-ID: <202406141323.413a90d2-lkp@intel.com> (raw)
Hello,
kernel test robot noticed "WARNING:inconsistent_lock_state" on:
commit: a7f3813e589fd8e2834720829a47b5eb914a9afe ("usb: gadget: dummy_hcd: Switch to hrtimer transfer scheduler")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master d20f6b3d747c36889b7ce75ee369182af3decb6b]
[test failed on linux-next/master 6906a84c482f098d31486df8dc98cead21cce2d0]
in testcase: boot
compiler: gcc-13
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+---------------------------------------------------+------------+------------+
| | 920e7522e3 | a7f3813e58 |
+---------------------------------------------------+------------+------------+
| WARNING:inconsistent_lock_state | 0 | 9 |
+---------------------------------------------------+------------+------------+
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/202406141323.413a90d2-lkp@intel.com
[ 9.059145][ C1] WARNING: inconsistent lock state
[ 9.059806][ C1] 6.9.0-rc2-00079-ga7f3813e589f #1 Tainted: G W
[ 9.060791][ C1] --------------------------------
[ 9.061452][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
[ 9.062377][ C1] swapper/1/0 [HC1[1]:SC0[0]:HE0:SE1] takes:
[ 9.063151][ C1] e7491784 (&syncp->seq#2){?...}-{0:0}, at: __usb_hcd_giveback_urb (drivers/usb/core/hcd.c:1651)
[ 9.064334][ C1] {HARDIRQ-ON-W} state was registered at:
[ 9.065080][ C1] __lock_acquire (kernel/locking/lockdep.c:5091 (discriminator 1))
[ 9.065718][ C1] lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5756 (discriminator 4) kernel/locking/lockdep.c:5719 (discriminator 4))
[ 9.066493][ C1] dsa_user_xmit (include/linux/seqlock.h:423 include/linux/seqlock.h:470 include/linux/seqlock.h:495 include/linux/u64_stats_sync.h:146 include/linux/u64_stats_sync.h:182 include/linux/netdevice.h:2763 net/dsa/user.c:928)
[ 9.067097][ C1] dev_hard_start_xmit (include/linux/netdevice.h:4903 include/linux/netdevice.h:4917 net/core/dev.c:3531 net/core/dev.c:3547)
[ 9.067783][ C1] __dev_queue_xmit (include/linux/netdevice.h:3287 (discriminator 25) net/core/dev.c:4336 (discriminator 25))
[ 9.068380][ C1] neigh_resolve_output (net/core/neighbour.c:1573)
[ 9.068989][ C1] ip6_finish_output2 (include/net/neighbour.h:542 (discriminator 2) net/ipv6/ip6_output.c:137 (discriminator 2))
[ 9.069558][ C1] ip6_finish_output+0x88/0x334
[ 9.070027][ C1] ip6_output (net/ipv6/ip6_output.c:247)
[ 9.070340][ C1] mld_sendpack (net/ipv6/mcast.c:1822)
[ 9.070679][ C1] mld_send_cr (net/ipv6/mcast.c:2120)
[ 9.071008][ C1] mld_ifc_work (net/ipv6/mcast.c:2652)
[ 9.071340][ C1] process_one_work (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/workqueue.h:108 kernel/workqueue.c:3259)
[ 9.071709][ C1] worker_thread (kernel/workqueue.c:3329 (discriminator 2) kernel/workqueue.c:3416 (discriminator 2))
[ 9.072097][ C1] kthread (kernel/kthread.c:388)
[ 9.072390][ C1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.072726][ C1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.073080][ C1] restore_all_switch_stack (arch/x86/entry/entry_32.S:944)
[ 9.073490][ C1] irq event stamp: 9450
[ 9.073816][ C1] hardirqs last enabled at (9449): cpuidle_idle_call (kernel/sched/idle.c:192)
[ 9.074473][ C1] hardirqs last disabled at (9450): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043)
[ 9.075191][ C1] softirqs last enabled at (9444): __do_softirq (kernel/softirq.c:401 (discriminator 2) kernel/softirq.c:583 (discriminator 2))
[ 9.075819][ C1] softirqs last disabled at (9439): do_softirq_own_stack (arch/x86/kernel/irq_32.c:57 arch/x86/kernel/irq_32.c:147)
[ 9.076487][ C1]
[ 9.076487][ C1] other info that might help us debug this:
[ 9.077082][ C1] Possible unsafe locking scenario:
[ 9.077082][ C1]
[ 9.077627][ C1] CPU0
[ 9.077881][ C1] ----
[ 9.078119][ C1] lock(&syncp->seq#2);
[ 9.078439][ C1] <Interrupt>
[ 9.078691][ C1] lock(&syncp->seq#2);
[ 9.079016][ C1]
[ 9.079016][ C1] *** DEADLOCK ***
[ 9.079016][ C1]
[ 9.079612][ C1] no locks held by swapper/1/0.
[ 9.079964][ C1]
[ 9.079964][ C1] stack backtrace:
[ 9.080391][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 6.9.0-rc2-00079-ga7f3813e589f #1 f0ecba0cf7deeaf8786bb8219ff9a6fa3c51532b
[ 9.081435][ C1] Call Trace:
[ 9.081686][ C1] dump_stack_lvl (lib/dump_stack.c:117)
[ 9.082053][ C1] dump_stack (lib/dump_stack.c:124)
[ 9.082359][ C1] print_usage_bug+0x208/0x2e0
[ 9.082769][ C1] mark_lock_irq (kernel/locking/lockdep.c:3971 (discriminator 1) kernel/locking/lockdep.c:4013 (discriminator 1) kernel/locking/lockdep.c:4216 (discriminator 1))
[ 9.083119][ C1] mark_lock (kernel/locking/lockdep.c:4678)
[ 9.083437][ C1] mark_usage (kernel/locking/lockdep.c:4564 (discriminator 1))
[ 9.083765][ C1] __lock_acquire (kernel/locking/lockdep.c:5091 (discriminator 1))
[ 9.084121][ C1] lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5756 (discriminator 4) kernel/locking/lockdep.c:5719 (discriminator 4))
[ 9.084452][ C1] ? __usb_hcd_giveback_urb (drivers/usb/core/hcd.c:1651)
[ 9.084879][ C1] ? sched_clock_noinstr (arch/x86/kernel/tsc.c:267)
[ 9.085237][ C1] ? local_clock_noinstr (kernel/sched/clock.c:301 (discriminator 1))
[ 9.085624][ C1] ? lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5756 (discriminator 4) kernel/locking/lockdep.c:5719 (discriminator 4))
[ 9.085975][ C1] tx_complete (include/linux/skbuff.h:2228 (discriminator 2) include/linux/skbuff.h:2336 (discriminator 2) include/linux/skbuff.h:2369 (discriminator 2) drivers/net/usb/lan78xx.c:3334 (discriminator 2) drivers/net/usb/lan78xx.c:3385 (discriminator 2))
[ 9.086304][ C1] ? __usb_hcd_giveback_urb (drivers/usb/core/hcd.c:1651)
[ 9.086700][ C1] __usb_hcd_giveback_urb (drivers/usb/core/hcd.c:1651)
[ 9.087089][ C1] usb_hcd_giveback_urb (drivers/usb/core/hcd.c:1752)
[ 9.087462][ C1] dummy_timer (include/linux/spinlock.h:351 drivers/usb/gadget/udc/dummy_hcd.c:1986)
[ 9.087807][ C1] __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756)
[ 9.088197][ C1] ? transfer (drivers/usb/gadget/udc/dummy_hcd.c:1781)
[ 9.088511][ C1] hrtimer_run_queues (kernel/time/hrtimer.c:1932)
[ 9.088869][ C1] update_process_times (kernel/time/timer.c:2467 (discriminator 1) kernel/time/timer.c:2485 (discriminator 1))
[ 9.089230][ C1] tick_nohz_lowres_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294 kernel/time/tick-sched.c:1480)
[ 9.089638][ C1] ? sysvec_call_function_single (arch/x86/kernel/apic/apic.c:1043)
[ 9.090076][ C1] __sysvec_apic_timer_interrupt (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 arch/x86/include/asm/trace/irq_vectors.h:41 arch/x86/kernel/apic/apic.c:1050)
[ 9.090509][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 (discriminator 3) arch/x86/kernel/apic/apic.c:1043 (discriminator 3))
[ 9.090949][ C1] handle_exception (arch/x86/entry/entry_32.S:1047)
[ 9.091305][ C1] EIP: default_idle (arch/x86/include/asm/irqflags.h:37 arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743)
[ 9.091654][ C1] Code: ff 89 da b8 fc a2 30 c3 e8 6f 7c 4f ff e9 e8 fa ff ff cc cc cc cc cc cc a1 a0 ea 65 c3 85 c0 7e 07 0f 00 2d f6 ed 17 c2 fb f4 <fa> c3 55 89 e5 53 64 8b 1d 00 32 64 c3 f0 80 4b 02 20 8b 03 a8 08
All code
========
0: ff 89 da b8 fc a2 decl -0x5d034726(%rcx)
6: 30 c3 xor %al,%bl
8: e8 6f 7c 4f ff call 0xffffffffff4f7c7c
d: e9 e8 fa ff ff jmp 0xfffffffffffffafa
12: cc int3
13: cc int3
14: cc int3
15: cc int3
16: cc int3
17: cc int3
18: a1 a0 ea 65 c3 85 c0 movabs 0x77ec085c365eaa0,%eax
1f: 7e 07
21: 0f 00 2d f6 ed 17 c2 verw -0x3de8120a(%rip) # 0xffffffffc217ee1e
28: fb sti
29: f4 hlt
2a:* fa cli <-- trapping instruction
2b: c3 ret
2c: 55 push %rbp
2d: 89 e5 mov %esp,%ebp
2f: 53 push %rbx
30: 64 8b 1d 00 32 64 c3 mov %fs:-0x3c9bce00(%rip),%ebx # 0xffffffffc3643237
37: f0 80 4b 02 20 lock orb $0x20,0x2(%rbx)
3c: 8b 03 mov (%rbx),%eax
3e: a8 08 test $0x8,%al
Code starting with the faulting instruction
===========================================
0: fa cli
1: c3 ret
2: 55 push %rbp
3: 89 e5 mov %esp,%ebp
5: 53 push %rbx
6: 64 8b 1d 00 32 64 c3 mov %fs:-0x3c9bce00(%rip),%ebx # 0xffffffffc364320d
d: f0 80 4b 02 20 lock orb $0x20,0x2(%rbx)
12: 8b 03 mov (%rbx),%eax
14: a8 08 test $0x8,%al
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240614/202406141323.413a90d2-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2024-06-14 6:10 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202406141323.413a90d2-lkp@intel.com \
--to=oliver.sang@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=lkp@intel.com \
--cc=marcello.bauer@9elements.com \
--cc=oe-lkp@lists.linux.dev \
--cc=stern@rowland.harvard.edu \
--cc=sylv@sylv.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.