[PATCH] drivers/base/devres.c: refactor using guards
kernel test robot
oliver.sang at intel.com
Tue Jun 11 06:24:15 UTC 2024
Hello,
kernel test robot noticed "WARNING:at_drivers/pinctrl/core.c:#devm_pinctrl_put" on:
commit: ce2701911ab8b371b9a93b6f9482f0577729d8aa ("[PATCH] drivers/base/devres.c: refactor using guards")
url: https://github.com/intel-lab-lkp/linux/commits/Andrea-Calabrese/drivers-base-devres-c-refactor-using-guards/20240606-194831
base: https://git.kernel.org/cgit/linux/kernel/git/gregkh/driver-core.git 1968845d358e108cfbfba45538d64b3cbdf04ac2
patch link: https://lore.kernel.org/all/20240606091744.1115656-1-andrea.calabrese@amarulasolutions.com/
patch subject: [PATCH] drivers/base/devres.c: refactor using guards
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)
+-----------------------------------------------------+------------+------------+
| | 1968845d35 | ce2701911a |
+-----------------------------------------------------+------------+------------+
| WARNING:at_drivers/pinctrl/core.c:#devm_pinctrl_put | 0 | 8 |
| RIP:devm_pinctrl_put | 0 | 8 |
| WARNING:at_drivers/base/devres.c:#devm_kfree | 0 | 8 |
| RIP:devm_kfree | 0 | 8 |
+-----------------------------------------------------+------------+------------+
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 at intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202406111401.915dd40c-oliver.sang@intel.com
[ 6.612845][ T1] ------------[ cut here ]------------
[ 6.613979][ T1] WARNING: CPU: 1 PID: 1 at drivers/pinctrl/core.c:1421 devm_pinctrl_put (drivers/pinctrl/core.c:1421 (discriminator 1))
[ 6.615797][ T1] Modules linked in:
[ 6.616639][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc2-00003-gce2701911ab8 #1
[ 6.618361][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 6.620369][ T1] RIP: 0010:devm_pinctrl_put (drivers/pinctrl/core.c:1421 (discriminator 1))
[ 6.621474][ T1] Code: 1e fa 0f 1f 44 00 00 48 89 f9 48 8b 7f 10 48 c7 c2 10 31 a7 af 48 c7 c6 d0 52 a7 af e8 dd fc 1d 00 85 c0 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f
All code
========
0: 1e (bad)
1: fa cli
2: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
7: 48 89 f9 mov %rdi,%rcx
a: 48 8b 7f 10 mov 0x10(%rdi),%rdi
e: 48 c7 c2 10 31 a7 af mov $0xffffffffafa73110,%rdx
15: 48 c7 c6 d0 52 a7 af mov $0xffffffffafa752d0,%rsi
1c: e8 dd fc 1d 00 callq 0x1dfcfe
21: 85 c0 test %eax,%eax
23: 75 05 jne 0x2a
25: c3 retq
26: cc int3
27: cc int3
28: cc int3
29: cc int3
2a:* 0f 0b ud2 <-- trapping instruction
2c: c3 retq
2d: cc int3
2e: cc int3
2f: cc int3
30: cc int3
31: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
38: 00 00 00 00
3c: 66 data16
3d: 66 data16
3e: 2e cs
3f: 0f .byte 0xf
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: c3 retq
3: cc int3
4: cc int3
5: cc int3
6: cc int3
7: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
e: 00 00 00 00
12: 66 data16
13: 66 data16
14: 2e cs
15: 0f .byte 0xf
[ 6.625180][ T1] RSP: 0000:ffffa68c80013cc8 EFLAGS: 00010282
[ 6.626437][ T1] RAX: 00000000fffffffe RBX: ffff904e3c9df268 RCX: ffff904dc2ff1de0
[ 6.628077][ T1] RDX: 0000000000000001 RSI: ffff904dc2cc0da8 RDI: ffff904e3c9df4fc
[ 6.629687][ T1] RBP: 0000000000000000 R08: ffffffffb0b25f14 R09: 0000000000000008
[ 6.631332][ T1] R10: ffffa68c80013c70 R11: fefefefefefefeff R12: ffff904dc2ff1448
[ 6.633008][ T1] R13: ffffffffb12dfea8 R14: ffff904dc316c2a8 R15: 0000000000000000
[ 6.634594][ T1] FS: 0000000000000000(0000) GS:ffff9050efd00000(0000) knlGS:0000000000000000
[ 6.640486][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.641757][ T1] CR2: 0000000000000000 CR3: 000000017b21c000 CR4: 00000000000406f0
[ 6.643386][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6.645004][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6.646657][ T1] Call Trace:
[ 6.647410][ T1] <TASK>
[ 6.648104][ T1] ? __warn (kernel/panic.c:693)
[ 6.648930][ T1] ? devm_pinctrl_put (drivers/pinctrl/core.c:1421 (discriminator 1))
[ 6.649920][ T1] ? report_bug (lib/bug.c:180 lib/bug.c:219)
[ 6.650828][ T1] ? handle_bug (arch/x86/kernel/traps.c:239)
[ 6.651843][ T1] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
[ 6.652811][ T1] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 6.653845][ T1] ? devm_pinctrl_put (drivers/pinctrl/core.c:1421 (discriminator 1))
[ 6.654844][ T1] ? devm_pinctrl_put (drivers/pinctrl/core.c:1421 (discriminator 2))
[ 6.655807][ T1] pinctrl_bind_pins (drivers/base/pinctrl.c:93)
[ 6.656804][ T1] really_probe (drivers/base/dd.c:634)
[ 6.657723][ T1] ? __pfx___driver_attach (drivers/base/dd.c:1155)
[ 6.658761][ T1] __driver_probe_device (drivers/base/dd.c:798)
[ 6.659886][ T1] driver_probe_device (drivers/base/dd.c:828)
[ 6.660925][ T1] __driver_attach (drivers/base/dd.c:1215)
[ 6.661869][ T1] bus_for_each_dev (drivers/base/bus.c:368)
[ 6.662840][ T1] bus_add_driver (drivers/base/bus.c:673)
[ 6.663820][ T1] driver_register (drivers/base/driver.c:246)
[ 6.664784][ T1] ? __pfx_acpi_button_driver_init (drivers/acpi/button.c:743)
[ 6.665950][ T1] do_one_initcall (init/main.c:1267)
[ 6.666882][ T1] do_initcalls (init/main.c:1328 (discriminator 1) init/main.c:1345 (discriminator 1))
[ 6.667815][ T1] kernel_init_freeable (init/main.c:1582)
[ 6.668909][ T1] ? __pfx_kernel_init (init/main.c:1459)
[ 6.669973][ T1] kernel_init (init/main.c:1469)
[ 6.670856][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 6.671756][ T1] ? __pfx_kernel_init (init/main.c:1459)
[ 6.672770][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 6.673765][ T1] </TASK>
[ 6.674467][ T1] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240611/202406111401.915dd40c-oliver.sang@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
More information about the dri-devel
mailing list