Hello,
kernel test robot noticed "WARNING:at_net/devlink/resource.c:#devl_resource_occ_get_register" on:
commit: ee141889828a13aa804849ebda6af39d6a8ebf87 ("[PATCH net-next 4/5] devlink: embed driver's priv data callback param into devlink_resource")
url: https://github.com/intel-lab-lkp/linux/commits/Przemek-Kitszel/net-dsa-replace-devlink-resource-registration-calls-by-devl_-variants/20240806-224519
patch link: https://lore.kernel.org/all/20240806143307.14839-5-przemyslaw.kitszel@xxxxxxxxx/
patch subject: [PATCH net-next 4/5] devlink: embed driver's priv data callback param into devlink_resource
in testcase: kernel-selftests-bpf
version:
with following parameters:
group: net
compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202408161558.b256545a-lkp@xxxxxxxxx
kern :warn : [ 81.007570] ------------[ cut here ]------------
kern :warn : [ 81.008076] WARNING: CPU: 18 PID: 7588 at net/devlink/resource.c:484 devl_resource_occ_get_register (net/devlink/resource.c:484)
kern :warn : [ 81.009035] Modules linked in: netdevsim macsec vxlan 8021q garp mrp bridge stp llc ip6_gre ip_gre gre cls_u32 sch_htb macvtap macvlan tap dummy tun nf_conntrack_broadcast fou ip_tunnel ip6_udp_tunnel udp_tunnel rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver netconsole openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 psample ipmi_devintf ipmi_msghandler binfmt_misc intel_rapl_msr intel_rapl_common btrfs skx_edac_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp blake2b_generic coretemp xor zstd_compress kvm_intel kvm raid6_pq crct10dif_pclmul crc32_pclmul libcrc32c crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl intel_cstate ahci libahci wmi_bmof intel_wmi_thunderbolt nvme mxm_wmi mei_me libata intel_uncore nvme_core mei ioatdma wdat_wdt dca wmi drm dm_mod fuse ip_tables x_tables sch_fq_codel [last unloaded: test_bpf]
kern :warn : [ 81.015492] CPU: 18 UID: 0 PID: 7588 Comm: rtnetlink.sh Tainted: G S 6.11.0-rc1-00254-gee141889828a #1
kern :warn : [ 81.016497] Tainted: [S]=CPU_OUT_OF_SPEC
kern :warn : [ 81.016936] Hardware name: Gigabyte Technology Co., Ltd. X299 UD4 Pro/X299 UD4 Pro-CF, BIOS F8a 04/27/2021
kern :warn : [ 81.017853] RIP: 0010:devl_resource_occ_get_register (net/devlink/resource.c:484)
kern :warn : [ 81.018451] Code: b0 4d 89 c5 49 3b 5e 08 74 35 48 89 da 4c 89 f6 48 89 ef e8 34 fa ff ff 48 85 c0 75 59 49 8b 46 50 4c 8d 70 b0 49 39 c4 75 da <0f> 0b 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 4d
All code
========
0: b0 4d mov $0x4d,%al
2: 89 c5 mov %eax,%ebp
4: 49 3b 5e 08 cmp 0x8(%r14),%rbx
8: 74 35 je 0x3f
a: 48 89 da mov %rbx,%rdx
d: 4c 89 f6 mov %r14,%rsi
10: 48 89 ef mov %rbp,%rdi
13: e8 34 fa ff ff call 0xfffffffffffffa4c
18: 48 85 c0 test %rax,%rax
1b: 75 59 jne 0x76
1d: 49 8b 46 50 mov 0x50(%r14),%rax
21: 4c 8d 70 b0 lea -0x50(%rax),%r14
25: 49 39 c4 cmp %rax,%r12
28: 75 da jne 0x4
2a:* 0f 0b ud2 <-- trapping instruction
2c: 48 83 c4 08 add $0x8,%rsp
30: 5b pop %rbx
31: 5d pop %rbp
32: 41 5c pop %r12
34: 41 5d pop %r13
36: 41 5e pop %r14
38: 41 5f pop %r15
3a: c3 ret
3b: cc int3
3c: cc int3
3d: cc int3
3e: cc int3
3f: 4d rex.WRB
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 83 c4 08 add $0x8,%rsp
6: 5b pop %rbx
7: 5d pop %rbp
8: 41 5c pop %r12
a: 41 5d pop %r13
c: 41 5e pop %r14
e: 41 5f pop %r15
10: c3 ret
11: cc int3
12: cc int3
13: cc int3
14: cc int3
15: 4d rex.WRB
kern :warn : [ 81.020118] RSP: 0018:ffffc90001a53b70 EFLAGS: 00010293
kern :warn : [ 81.020662] RAX: ffff8888753fd400 RBX: 0000000000000002 RCX: ffff888894939048
kern :warn : [ 81.021374] RDX: ffff8888753fd060 RSI: ffff8888753fd000 RDI: ffff888894939048
kern :warn : [ 81.022085] RBP: ffff888894939000 R08: 0000000000000008 R09: 0000000000000000
kern :warn : [ 81.022795] R10: ffff8888753fd400 R11: 000000008b95c1e3 R12: ffff888894939048
kern :warn : [ 81.023510] R13: 0000000000000008 R14: ffff8888753fd400 R15: ffffffffc0e37800
kern :warn : [ 81.024222] FS: 00007f0d9d0e9c40(0000) GS:ffff88889f500000(0000) knlGS:0000000000000000
kern :warn : [ 81.025012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern :warn : [ 81.025599] CR2: 00005612292a7cd0 CR3: 0000000870ece002 CR4: 00000000003706f0
kern :warn : [ 81.026311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kern :warn : [ 81.027022] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kern :warn : [ 81.027731] Call Trace:
kern :warn : [ 81.028052] <TASK>
kern :warn : [ 81.028344] ? __warn (kernel/panic.c:735)
kern :warn : [ 81.028728] ? devl_resource_occ_get_register (net/devlink/resource.c:484)
kern :warn : [ 81.029275] ? report_bug (lib/bug.c:180 lib/bug.c:219)
kern :warn : [ 81.029694] ? handle_bug (arch/x86/kernel/traps.c:239)
kern :warn : [ 81.030102] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
kern :warn : [ 81.030534] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
kern :warn : [ 81.031000] ? __pfx_nsim_fib_ipv4_resource_occ_get (drivers/net/netdevsim/fib.c:1422) netdevsim
kern :warn : [ 81.031689] ? devl_resource_occ_get_register (net/devlink/resource.c:484)
kern :warn : [ 81.032238] nsim_fib_create (drivers/net/netdevsim/fib.c:1606) netdevsim
kern :warn : [ 81.032765] nsim_drv_probe (drivers/net/netdevsim/dev.c:1583) netdevsim
kern :warn : [ 81.033287] really_probe (drivers/base/dd.c:578 drivers/base/dd.c:657)
kern :warn : [ 81.033698] ? __pfx___device_attach_driver (drivers/base/dd.c:921)
kern :warn : [ 81.034232] __driver_probe_device (drivers/base/dd.c:799)
kern :warn : [ 81.034707] driver_probe_device (drivers/base/dd.c:830)
kern :warn : [ 81.035164] __device_attach_driver (drivers/base/dd.c:958)
kern :warn : [ 81.035646] bus_for_each_drv (drivers/base/bus.c:457)
kern :warn : [ 81.036083] __device_attach (drivers/base/dd.c:1031)
kern :warn : [ 81.036514] bus_probe_device (drivers/base/bus.c:532)
kern :warn : [ 81.036946] device_add (drivers/base/core.c:3686)
kern :warn : [ 81.037353] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim
kern :warn : [ 81.037886] kernfs_fop_write_iter (fs/kernfs/file.c:334)
kern :warn : [ 81.038373] vfs_write (fs/read_write.c:497 fs/read_write.c:590)
kern :warn : [ 81.038772] ksys_write (fs/read_write.c:644)
kern :warn : [ 81.039164] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
kern :warn : [ 81.039582] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
kern :warn : [ 81.040116] RIP: 0033:0x7f0d9d1e3240
kern :warn : [ 81.040525] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
All code
========
0: 40 00 48 8b rex add %cl,-0x75(%rax)
4: 15 c1 9b 0d 00 adc $0xd9bc1,%eax
9: f7 d8 neg %eax
b: 64 89 02 mov %eax,%fs:(%rdx)
e: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
15: eb b7 jmp 0xffffffffffffffce
17: 0f 1f 00 nopl (%rax)
1a: 80 3d a1 23 0e 00 00 cmpb $0x0,0xe23a1(%rip) # 0xe23c2
21: 74 17 je 0x3a
23: b8 01 00 00 00 mov $0x1,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 58 ja 0x8a
32: c3 ret
33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3a: 48 83 ec 28 sub $0x28,%rsp
3e: 48 rex.W
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 58 ja 0x60
8: c3 ret
9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10: 48 83 ec 28 sub $0x28,%rsp
14: 48 rex.W
15: 89 .byte 0x89
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240816/202408161558.b256545a-lkp@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
