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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: yLq30A2rmbshw36dp0kWSl20tRucb1RFSJO5/fzJ+Qr88SHOEIYqgSE5WnWa56zRQEcd+qHubm4saaB1HbPVMQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR11MB5997 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_net/core/flow_dissector.c:#__skb_flow_dissect" on: commit: 7a6420ac36c0355d4d370cce83343dcefa58a1c4 ("[PATCH ipsec-next 2/2] xfrm: policy: replace session decode with flow dissector") url: https://github.com/intel-lab-lkp/linux/commits/Florian-Westphal/xfrm-move-mark-and-oif-flowi-decode-into-common-code/20230918-210254 base: https://git.kernel.org/cgit/linux/kernel/git/klassert/ipsec.git master patch link: https://lore.kernel.org/all/20230918125914.21391-3-fw@strlen.de/ patch subject: [PATCH ipsec-next 2/2] xfrm: policy: replace session decode with flow dissector in testcase: kernel-selftests version: kernel-selftests-x86_64-60acb023-1_20230329 with following parameters: group: netfilter test: nft_synproxy.sh 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 | Closes: https://lore.kernel.org/oe-lkp/202309271628.27fd2187-oliver.sang@intel.com kern :warn : [ 173.147140] ------------[ cut here ]------------ kern :warn : [ 173.147759] WARNING: CPU: 12 PID: 2260 at net/core/flow_dissector.c:1096 __skb_flow_dissect (net/core/flow_dissector.c:1096 (discriminator 1)) kern :warn : [ 173.148709] Modules linked in: nft_synproxy nf_synproxy_core nft_ct nf_tables veth nfnetlink openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl_msr intel_rapl_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp btrfs coretemp kvm_intel blake2b_generic xor raid6_pq kvm zstd_compress irqbypass crct10dif_pclmul libcrc32c crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl intel_cstate nvme nvme_core t10_pi crc64_rocksoft_generic crc64_rocksoft ipmi_devintf ahci libahci ipmi_msghandler intel_wmi_thunderbolt wmi_bmof mxm_wmi i2c_i801 wdat_wdt intel_uncore crc64 mei_me i2c_smbus libata ioatdma dca mei wmi binfmt_misc fuse drm ip_tables kern :warn : [ 173.154193] CPU: 12 PID: 2260 Comm: iperf3 Not tainted 6.5.0-04033-g7a6420ac36c0-dirty #1 kern :warn : [ 173.155024] Hardware name: Gigabyte Technology Co., Ltd. X299 UD4 Pro/X299 UD4 Pro-CF, BIOS F8a 04/27/2021 kern :warn : [ 173.155977] RIP: 0010:__skb_flow_dissect (net/core/flow_dissector.c:1096 (discriminator 1)) kern :warn : [ 173.156562] Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 e4 39 00 00 4d 8b b6 a0 05 00 00 4d 85 f6 0f 85 9d f9 ff ff <0f> 0b e9 0f fb ff ff 66 81 fb 08 06 0f 84 ca fc ff ff 44 8b bd 00 All code ======== 0: b8 00 00 00 00 mov $0x0,%eax 5: 00 fc add %bh,%ah 7: ff (bad) 8: df 48 89 fisttps -0x77(%rax) b: fa cli c: 48 c1 ea 03 shr $0x3,%rdx 10: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 14: 0f 85 e4 39 00 00 jne 0x39fe 1a: 4d 8b b6 a0 05 00 00 mov 0x5a0(%r14),%r14 21: 4d 85 f6 test %r14,%r14 24: 0f 85 9d f9 ff ff jne 0xfffffffffffff9c7 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 0f fb ff ff jmpq 0xfffffffffffffb40 31: 66 81 fb 08 06 cmp $0x608,%bx 36: 0f 84 ca fc ff ff je 0xfffffffffffffd06 3c: 44 rex.R 3d: 8b .byte 0x8b 3e: bd .byte 0xbd ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 0f fb ff ff jmpq 0xfffffffffffffb16 7: 66 81 fb 08 06 cmp $0x608,%bx c: 0f 84 ca fc ff ff je 0xfffffffffffffcdc 12: 44 rex.R 13: 8b .byte 0x8b 14: bd .byte 0xbd ... kern :warn : [ 173.158315] RSP: 0018:ffffc900008e7e10 EFLAGS: 00010246 kern :warn : [ 173.158889] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffc900008e8240 kern :warn : [ 173.159631] RDX: 1ffff1103c1ac95b RSI: 0000000000000000 RDI: ffff8881e0d64ad8 kern :warn : [ 173.160365] RBP: ffffc900008e81e0 R08: 0000000000000000 R09: 0000000000000000 kern :warn : [ 173.161114] R10: ffffc900008e81f8 R11: ffffc900008e8240 R12: ffff8881e0d64ac0 kern :warn : [ 173.161871] R13: ffffffff8472b660 R14: 0000000000000000 R15: 0000000000000038 kern :warn : [ 173.162612] FS: 00007f4db0039740(0000) GS:ffff88880ea00000(0000) knlGS:0000000000000000 kern :warn : [ 173.163426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :warn : [ 173.164051] CR2: 00007f4db0741f8c CR3: 000000087dbda001 CR4: 00000000003706e0 kern :warn : [ 173.164808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kern :warn : [ 173.165549] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kern :warn : [ 173.166282] Call Trace: kern :warn : [ 173.166620] kern :warn : [ 173.166916] ? __warn (kernel/panic.c:673) kern :warn : [ 173.167316] ? __skb_flow_dissect (net/core/flow_dissector.c:1096 (discriminator 1)) kern :warn : [ 173.167837] ? report_bug (lib/bug.c:180 lib/bug.c:219) kern :warn : [ 173.168293] ? handle_bug (arch/x86/kernel/traps.c:324) kern :warn : [ 173.168724] ? exc_invalid_op (arch/x86/kernel/traps.c:345 (discriminator 1)) kern :warn : [ 173.169173] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) kern :warn : [ 173.169668] ? __skb_flow_dissect (net/core/flow_dissector.c:1096 (discriminator 1)) kern :warn : [ 173.170170] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) kern :warn : [ 173.170643] ? bpf_flow_dissect (net/core/flow_dissector.c:1029) kern :warn : [ 173.171125] ? native_queued_spin_lock_slowpath (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:444 include/linux/atomic/atomic-instrumented.h:33 arch/x86/include/asm/qspinlock.h:25 kernel/locking/qspinlock.c:353) kern :warn : [ 173.171729] ? .slowpath (kernel/locking/qspinlock.c:317) kern :warn : [ 173.172143] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5763 kernel/locking/lockdep.c:5726) kern :warn : [ 173.172601] ? __create_object (mm/kmemleak.c:678) kern :warn : [ 173.173076] ? set_track_prepare (mm/slub.c:3016) kern :warn : [ 173.173555] ? mark_lock (arch/x86/include/asm/bitops.h:228 (discriminator 3) arch/x86/include/asm/bitops.h:240 (discriminator 3) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 3) kernel/locking/lockdep.c:228 (discriminator 3) kernel/locking/lockdep.c:4663 (discriminator 3)) kern :warn : [ 173.173978] ? mark_lock (arch/x86/include/asm/bitops.h:228 (discriminator 3) arch/x86/include/asm/bitops.h:240 (discriminator 3) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 3) kernel/locking/lockdep.c:228 (discriminator 3) kernel/locking/lockdep.c:4663 (discriminator 3)) kern :warn : [ 173.174398] ? reacquire_held_locks (kernel/locking/lockdep.c:5412) kern :warn : [ 173.174913] ? mark_lock_irq (kernel/locking/lockdep.c:4646) kern :warn : [ 173.175373] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.175841] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.176296] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 arch/x86/include/asm/irqflags.h:135 include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) kern :warn : [ 173.176849] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4574) kern :warn : [ 173.177468] ? rt_cache_route (net/ipv4/route.c:1485) kern :warn : [ 173.177925] ? find_held_lock (kernel/locking/lockdep.c:5251) kern :warn : [ 173.178384] ? __lock_release+0x111/0x440 kern :warn : [ 173.178905] ? ip_route_output_key_hash (include/linux/rcupdate.h:781 net/ipv4/route.c:2643) kern :warn : [ 173.179442] ? reacquire_held_locks (kernel/locking/lockdep.c:5412) kern :warn : [ 173.179960] ? __mkroute_output (include/net/lwtunnel.h:140 net/ipv4/route.c:2618) kern :warn : [ 173.181387] ? __xfrm_decode_session (net/xfrm/xfrm_policy.c:3451) kern :warn : [ 173.181904] __xfrm_decode_session (net/xfrm/xfrm_policy.c:3451) kern :warn : [ 173.182398] ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2629) kern :warn : [ 173.182972] ? rt6_get_cookie (net/core/dst_cache.c:29) kern :warn : [ 173.183449] ip_route_me_harder (include/linux/skbuff.h:1121 net/ipv4/netfilter.c:66) kern :warn : [ 173.183941] ? nf_ip_route (net/ipv4/netfilter.c:21) kern :warn : [ 173.184369] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.184831] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.185293] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 arch/x86/include/asm/irqflags.h:135 include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) kern :warn : [ 173.185849] ? cookie_timestamp_decode (net/ipv4/syncookies.c:48) kern :warn : [ 173.186377] ? __alloc_skb (net/core/skbuff.c:666) kern :warn : [ 173.186829] ? lock_is_held_type (kernel/locking/lockdep.c:5502 kernel/locking/lockdep.c:5832) kern :warn : [ 173.187312] synproxy_send_tcp+0x2aa/0x540 nf_synproxy_core kern :warn : [ 173.187988] synproxy_send_client_synack (net/netfilter/nf_synproxy_core.c:484) nf_synproxy_core kern :warn : [ 173.188699] ? synproxy_send_client_synack_ipv6 (net/netfilter/nf_synproxy_core.c:450) nf_synproxy_core kern :warn : [ 173.189444] ? hrtimer_nanosleep (kernel/time/hrtimer.c:337 include/linux/hrtimer.h:255 kernel/time/hrtimer.c:2099) kern :warn : [ 173.189947] ? ktime_get (kernel/time/timekeeping.c:379 (discriminator 4) kernel/time/timekeeping.c:389 (discriminator 4) kernel/time/timekeeping.c:848 (discriminator 4)) kern :warn : [ 173.190388] nft_synproxy_do_eval (net/netfilter/nft_synproxy.c:60 net/netfilter/nft_synproxy.c:141) nft_synproxy kern :warn : [ 173.191004] ? nft_synproxy_obj_destroy (net/netfilter/nft_synproxy.c:109) nft_synproxy kern :warn : [ 173.191653] ? mark_lock (arch/x86/include/asm/bitops.h:228 (discriminator 3) arch/x86/include/asm/bitops.h:240 (discriminator 3) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 3) kernel/locking/lockdep.c:228 (discriminator 3) kernel/locking/lockdep.c:4663 (discriminator 3)) kern :warn : [ 173.192073] ? lock_is_held_type (kernel/locking/lockdep.c:5502 kernel/locking/lockdep.c:5832) kern :warn : [ 173.192563] nft_do_chain (net/netfilter/nf_tables_core.c:290) nf_tables kern :warn : [ 173.193119] ? nft_update_chain_stats (net/netfilter/nf_tables_core.c:254) nf_tables kern :warn : [ 173.193784] ? __create_object (mm/kmemleak.c:678) kern :warn : [ 173.194274] nft_do_chain_inet (net/netfilter/nft_chain_filter.c:145) nf_tables kern :warn : [ 173.194856] ? nft_do_chain_arp (net/netfilter/nft_chain_filter.c:145) nf_tables kern :warn : [ 173.195420] ? NF_HOOK+0xca/0x2b0 kern :warn : [ 173.195924] ? lock_sync (kernel/locking/lockdep.c:5729) kern :warn : [ 173.196354] ? skb_release_data (arch/x86/include/asm/atomic.h:85 arch/x86/include/asm/atomic.h:91 include/linux/atomic/atomic-arch-fallback.h:778 include/linux/atomic/atomic-instrumented.h:290 net/core/skbuff.c:968) kern :warn : [ 173.196837] nf_hook_slow (include/linux/netfilter.h:144 net/netfilter/core.c:626) kern :warn : [ 173.197269] NF_HOOK+0x17f/0x2b0 kern :warn : [ 173.197763] ? ip_forward_finish (include/linux/netfilter.h:298) kern :warn : [ 173.198248] ? ip_route_input_slow (net/ipv4/route.c:2487) kern :warn : [ 173.198772] ? ip4_obj_hashfn (net/ipv4/ip_forward.c:66) kern :warn : [ 173.199237] ? tcp_v4_early_demux (net/ipv4/tcp_ipv4.c:1796) kern :warn : [ 173.199739] ? lock_is_held_type (kernel/locking/lockdep.c:5502 kernel/locking/lockdep.c:5832) kern :warn : [ 173.200221] ip_forward (net/ipv4/ip_forward.c:162) kern :warn : [ 173.200665] ? lock_is_held_type (kernel/locking/lockdep.c:5502 kernel/locking/lockdep.c:5832) kern :warn : [ 173.201143] ? __xfrm_policy_check2+0x460/0x460 kern :warn : [ 173.201747] ? ip_rcv_finish (include/linux/skbuff.h:1121 include/net/dst.h:468 net/ipv4/ip_input.c:449) kern :warn : [ 173.202205] ip_rcv (include/linux/netfilter.h:304 include/linux/netfilter.h:298 net/ipv4/ip_input.c:569) kern :warn : [ 173.202596] ? ip_local_deliver (net/ipv4/ip_input.c:562) kern :warn : [ 173.203078] ? ip_sublist_rcv (net/ipv4/ip_input.c:436) kern :warn : [ 173.203548] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5763 kernel/locking/lockdep.c:5726) kern :warn : [ 173.203997] ? process_backlog (include/linux/skbuff.h:2360 include/linux/skbuff.h:2375 net/core/dev.c:5963) kern :warn : [ 173.204489] ? ip_local_deliver (net/ipv4/ip_input.c:562) kern :warn : [ 173.204967] __netif_receive_skb_one_core (net/core/dev.c:5516) kern :warn : [ 173.205527] ? __netif_receive_skb_list_core (net/core/dev.c:5516) kern :warn : [ 173.206101] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.206571] process_backlog (include/linux/rcupdate.h:778 net/core/dev.c:5966) kern :warn : [ 173.207027] __napi_poll+0xa0/0x530 kern :warn : [ 173.207546] net_rx_action (net/core/dev.c:6596 net/core/dev.c:6727) kern :warn : [ 173.207995] ? __napi_poll+0x530/0x530 kern :warn : [ 173.208530] ? reacquire_held_locks (kernel/locking/lockdep.c:5412) kern :warn : [ 173.209039] ? asym_cpu_capacity_scan (kernel/sched/clock.c:389) kern :warn : [ 173.209581] __do_softirq (arch/x86/include/asm/jump_label.h:27 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:554) kern :warn : [ 173.210021] ? __lock_text_end (kernel/softirq.c:511) kern :warn : [ 173.210471] ? irqtime_account_irq (kernel/sched/cputime.c:64) kern :warn : [ 173.210966] ? __dev_queue_xmit (include/linux/rcupdate.h:308 include/linux/rcupdate.h:817 net/core/dev.c:4367) kern :warn : [ 173.211454] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) kern :warn : [ 173.211870] kern :warn : [ 173.212170] kern :warn : [ 173.212479] __local_bh_enable_ip (kernel/softirq.c:381) kern :warn : [ 173.212965] __dev_queue_xmit (net/core/dev.c:4368) kern :warn : [ 173.213441] ? mark_lock (arch/x86/include/asm/bitops.h:228 (discriminator 3) arch/x86/include/asm/bitops.h:240 (discriminator 3) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 3) kernel/locking/lockdep.c:228 (discriminator 3) kernel/locking/lockdep.c:4663 (discriminator 3)) kern :warn : [ 173.213881] ? mark_lock_irq (kernel/locking/lockdep.c:4646) kern :warn : [ 173.214352] ? netdev_core_pick_tx (net/core/dev.c:4249) kern :warn : [ 173.214861] ? reacquire_held_locks (kernel/locking/lockdep.c:5412) kern :warn : [ 173.215369] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5763 kernel/locking/lockdep.c:5726) kern :warn : [ 173.215828] ? mark_held_locks (kernel/locking/lockdep.c:4281) kern :warn : [ 173.216286] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4573) kern :warn : [ 173.216902] ? neigh_hh_output (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 arch/x86/include/asm/irqflags.h:135 include/linux/seqlock.h:104 include/linux/seqlock.h:837 include/net/neighbour.h:496) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230927/202309271628.27fd2187-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki