Hi, On Wed, May 17, 2023 at 11:00 AM Angus Chen <angus.chen@xxxxxxxxxxxxxxx> wrote: > > 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? Great. Let's wait for the merge. Thanks! > 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 ]---
