RE: WARNING since next-20230516 about ipfrag_low_thresh_unused

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi.

> -----Original Message-----
> From: Murphy Zhou <jencce.kernel@xxxxxxxxx>
> Sent: Wednesday, May 17, 2023 10:53 AM
> To: netdev@xxxxxxxxxxxxxxx; Linux-Next <linux-next@xxxxxxxxxxxxxxx>; Angus
> Chen <angus.chen@xxxxxxxxxxxxxxx>
> Subject: WARNING since next-20230516 about ipfrag_low_thresh_unused
> 
> Hi,
> 
>
> 
> Might be this commit:
> 
> commit b2cbac9b9b28730e9e53be20b6cdf979d3b9f27e
Yes,just this commit.
> Author: Angus Chen <angus.chen@xxxxxxxxxxxxxxx>
> Date:   Fri May 12 09:01:52 2023 +0800
> 
>     net: Remove low_thresh in ip defrag
> 
> Please help to take a look at.
This warning keeps hitting the dmesg since the 0516 tree.
Yes,it is reported by idosch two days ago,and I send a v3 patch to fix it.
Should I revert b2cbac9b or just wait the robot to merge v3?
Thank you.
> 
> Thanks,
> Murphy
> 
> 
> 
> 
> [ 2180.527227] ------------[ cut here ]------------
> [ 2180.531902] sysctl net/ipv4/ipfrag_low_thresh: data points to
> kernel global data: ipfrag_low_thresh_unused
> [ 2180.541649] WARNING: CPU: 7 PID: 681484 at net/sysctl_net.c:155
> ensure_safe_net_sysctl+0x88/0x100
> [ 2180.550607] Modules linked in: dm_snapshot dm_bufio dm_flakey
> binfmt_misc veth tun brd overlay exfat ext2 ext4 mbcache jbd2 cifs tls
> loop nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache netfs
> rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd
> grace ipmi_ssif rfkill sunrpc vfat fat intel_rapl_msr
> intel_rapl_common edac_mce_amd mgag200 kvm_amd drm_shmem_helper
> drm_kms_helper kvm syscopyarea acpi_ipmi sysfillrect ipmi_si irqbypass
> sysimgblt ipmi_devintf fb_sys_fops rapl pcspkr i2c_piix4 hpilo k10temp
> acpi_tad ipmi_msghandler acpi_power_meter drm fuse xfs libcrc32c
> sd_mod t10_pi sg igb ahci libahci crct10dif_pclmul crc32_pclmul
> i2c_algo_bit crc32c_intel libata ccp hpwdt ghash_clmulni_intel dca
> sp5100_tco wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
> scsi_debug]
> [ 2180.621100] CPU: 7 PID: 681484 Comm: (ostnamed) Kdump: loaded
> Tainted: G        W          6.4.0-rc2-next-20230516 #1
> [ 2180.631805] Hardware name: HPE ProLiant DL385 Gen11/ProLiant DL385
> Gen11, BIOS 1.10 10/18/2022
> [ 2180.640495] RIP: 0010:ensure_safe_net_sysctl+0x88/0x100
> [ 2180.645789] Code: 85 bb 72 b9 48 81 fd 00 00 a0 bc 73 b0 48 c7 c1
> dd f1 75 ba 4c 8b 43 08 48 8b 13 4c 89 e6 48 c7 c7 c0 51 86 ba e8 f8
> b8 4b ff <0f> 0b 66 81 63 14 6d ff eb 89 0f b7 4b 14 4c 8b 4b 08 48 c7
> c6 90
> [ 2180.664701] RSP: 0018:ff5e70190533bd68 EFLAGS: 00010282
> [ 2180.669986] RAX: 0000000000000000 RBX: ff40e6cadd6fea40 RCX:
> 0000000000000000
> [ 2180.677189] RDX: ff40e6ce2cbec880 RSI: ff40e6ce2cbdf840 RDI:
> ff40e6ce2cbdf840
> [ 2180.684399] RBP: ffffffffbc781888 R08: 0000000000000000 R09:
> 00000000ffff7fff
> [ 2180.691609] R10: ff5e70190533bc08 R11: ffffffffbade6888 R12:
> ffffffffba85c61e
> [ 2180.698819] R13: ff40e6cb201dc400 R14: 0000000000000000 R15:
> 0000000000000000
> [ 2180.706029] FS:  00007f519be60b40(0000) GS:ff40e6ce2cbc0000(0000)
> knlGS:0000000000000000
> [ 2180.714194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 2180.720004] CR2: 00007f519c96efe0 CR3: 000000012878c002 CR4:
> 0000000000771ee0
> [ 2180.727216] PKRU: 55555554
> [ 2180.729967] Call Trace:
> [ 2180.732462]  <TASK>
> [ 2180.734610]  register_net_sysctl+0x20/0x40
> [ 2180.738766]  ipv4_frags_init_net+0xdd/0x180
> [ 2180.743001]  ops_init+0x33/0xc0
> [ 2180.746190]  setup_net+0x12c/0x2c0
> [ 2180.749643]  copy_net_ns+0x10a/0x270
> [ 2180.753266]  create_new_namespaces+0x113/0x2e0
> [ 2180.757767]  unshare_nsproxy_namespaces+0x55/0xb0
> [ 2180.762534]  ksys_unshare+0x1a8/0x390
> [ 2180.766251]  __x64_sys_unshare+0xe/0x20
> [ 2180.770139]  do_syscall_64+0x59/0x90
> [ 2180.773764]  ? do_syscall_64+0x69/0x90
> [ 2180.777563]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
> [ 2180.782672] RIP: 0033:0x7f519c03f90b
> [ 2180.786299] Code: 73 01 c3 48 8b 0d 15 a5 1b 00 f7 d8 64 89 01 48
> 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00
> 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 a4 1b 00 f7 d8 64 89
> 01 48
> [ 2180.805214] RSP: 002b:00007ffcd1b70ae8 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000110
> [ 2180.812866] RAX: ffffffffffffffda RBX: 0000558b7f0a95e8 RCX:
> 00007f519c03f90b
> [ 2180.820081] RDX: 0000000000000000 RSI: 00007ffcd1b70a50 RDI:
> 0000000040000000
> [ 2180.827287] RBP: 00007ffcd1b70b20 R08: 0000000000000000 R09:
> 00007ffcd1b70e20
> [ 2180.834493] R10: 0000000000000000 R11: 0000000000000246 R12:
> 00007f519c6c6c52
> [ 2180.841700] R13: 00000000fffffff5 R14: 0000000040000000 R15:
> 0000000000000000
> [ 2180.848912]  </TASK>
> [ 2180.851142] ---[ end trace 0000000000000000 ]---




[Index of Archives]     [Linux Kernel]     [Linux USB Development]     [Yosemite News]     [Linux SCSI]

  Powered by Linux