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It is 100% reproducible here. I don't have time to look into them, a quick glance at the changelog shows quite some changes from Jiayuan. So please take a look, Jiayuan. Meanwhile, please let me know if you need more information from me. Thanks! ---------------> [root@localhost bpf]# ./test_sockmap # 1/ 6 sockmap::txmsg test passthrough:OK # 2/ 6 sockmap::txmsg test redirect:OK # 3/ 2 sockmap::txmsg test redirect wait send mem:OK # 4/ 6 sockmap::txmsg test drop:OK [ 182.498017] perf: interrupt took too long (3406 > 3238), lowering kernel.perf_event_max_sample_rate to 58500 # 5/ 6 sockmap::txmsg test ingress redirect:OK # 6/ 7 sockmap::txmsg test skb:OK # 7/12 sockmap::txmsg test apply:OK # 8/12 sockmap::txmsg test cork:OK # 9/ 3 sockmap::txmsg test hanging corks:OK #10/11 sockmap::txmsg test push_data:OK #11/17 sockmap::txmsg test pull-data:OK #12/ 9 sockmap::txmsg test pop-data:OK #13/ 6 sockmap::txmsg test push/pop data:OK #14/ 1 sockmap::txmsg test ingress parser:OK #15/ 1 sockmap::txmsg test ingress parser2:OK #16/ 6 sockhash::txmsg test passthrough:OK #17/ 6 sockhash::txmsg test redirect:OK #18/ 2 sockhash::txmsg test redirect wait send mem:OK #19/ 6 sockhash::txmsg test drop:OK #20/ 6 sockhash::txmsg test ingress redirect:OK #21/ 7 sockhash::txmsg test skb:OK #22/12 sockhash::txmsg test apply:OK #23/12 sockhash::txmsg test cork:OK #24/ 3 sockhash::txmsg test hanging corks:OK #25/11 sockhash::txmsg test push_data:OK #26/17 sockhash::txmsg test pull-data:OK #27/ 9 sockhash::txmsg test pop-data:OK #28/ 6 sockhash::txmsg test push/pop data:OK #29/ 1 sockhash::txmsg test ingress parser:OK #30/ 1 sockhash::txmsg test ingress parser2:OK #31/ 6 sockhash:ktls:txmsg test passthrough:OK #32/ 6 sockhash:ktls:txmsg test redirect:OK #33/ 2 sockhash:ktls:txmsg test redirect wait send mem:OK [ 263.509707] ------------[ cut here ]------------ [ 263.510439] WARNING: CPU: 1 PID: 40 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x173/0x1d5 [ 263.511450] CPU: 1 UID: 0 PID: 40 Comm: kworker/1:1 Tainted: G W 6.15.0-rc3+ #238 PREEMPT(voluntary) [ 263.512683] Tainted: [W]=WARN [ 263.513062] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 [ 263.514763] Workqueue: events sk_psock_destroy [ 263.515332] RIP: 0010:inet_sock_destruct+0x173/0x1d5 [ 263.515916] Code: e8 dc dc 3f ff 41 83 bc 24 c0 02 00 00 00 74 02 0f 0b 49 8d bc 24 ac 02 00 00 e8 c2 dc 3f ff 41 83 bc 24 ac 02 00 00 00 74 02 <0f> 0b e8 c7 95 3d 00 49 8d bc 24 b0 05 00 00 e8 c0 dd 3f ff 49 8b [ 263.518899] RSP: 0018:ffff8880085cfc18 EFLAGS: 00010202 [ 263.519596] RAX: 1ffff11003dbfc00 RBX: ffff88801edfe3e8 RCX: ffffffff822f5af4 [ 263.520502] RDX: 0000000000000007 RSI: dffffc0000000000 RDI: ffff88801edfe16c [ 263.522128] RBP: ffff88801edfe184 R08: ffffed1003dbfc31 R09: 0000000000000000 [ 263.523008] R10: ffffffff822f5ab7 R11: ffff88801edfe187 R12: ffff88801edfdec0 [ 263.523822] R13: ffff888020376ac0 R14: ffff888020376ac0 R15: ffff888020376a60 [ 263.524682] FS: 0000000000000000(0000) GS:ffff8880b0e88000(0000) knlGS:0000000000000000 [ 263.525999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 263.526765] CR2: 0000556365155830 CR3: 000000001d6aa000 CR4: 0000000000350ef0 [ 263.527700] Call Trace: [ 263.528037] [ 263.528339] __sk_destruct+0x46/0x222 [ 263.528856] sk_psock_destroy+0x22f/0x242 [ 263.529471] process_one_work+0x504/0x8a8 [ 263.530029] ? process_one_work+0x39d/0x8a8 [ 263.530587] ? __pfx_process_one_work+0x10/0x10 [ 263.531195] ? worker_thread+0x44/0x2ae [ 263.531721] ? __list_add_valid_or_report+0x83/0xea [ 263.532395] ? srso_return_thunk+0x5/0x5f [ 263.532929] ? __list_add+0x45/0x52 [ 263.533482] process_scheduled_works+0x73/0x82 [ 263.534079] worker_thread+0x1ce/0x2ae [ 263.534582] ? _raw_spin_unlock_irqrestore+0x2e/0x44 [ 263.535243] ? __pfx_worker_thread+0x10/0x10 [ 263.535822] kthread+0x32a/0x33c [ 263.536278] ? kthread+0x13c/0x33c [ 263.536724] ? __pfx_kthread+0x10/0x10 [ 263.537225] ? srso_return_thunk+0x5/0x5f [ 263.537869] ? find_held_lock+0x2b/0x75 [ 263.538388] ? __pfx_kthread+0x10/0x10 [ 263.538866] ? srso_return_thunk+0x5/0x5f [ 263.539523] ? local_clock_noinstr+0x32/0x9c [ 263.540128] ? srso_return_thunk+0x5/0x5f [ 263.540677] ? srso_return_thunk+0x5/0x5f [ 263.541228] ? __lock_release+0xd3/0x1ad [ 263.541890] ? srso_return_thunk+0x5/0x5f [ 263.542442] ? tracer_hardirqs_on+0x17/0x149 [ 263.543047] ? _raw_spin_unlock_irq+0x24/0x39 [ 263.543589] ? __pfx_kthread+0x10/0x10 [ 263.544069] ? __pfx_kthread+0x10/0x10 [ 263.544543] ret_from_fork+0x21/0x41 [ 263.545000] ? __pfx_kthread+0x10/0x10 [ 263.545557] ret_from_fork_asm+0x1a/0x30 [ 263.546095] [ 263.546374] irq event stamp: 1094079 [ 263.546798] hardirqs last enabled at (1094089): [] __up_console_sem+0x47/0x4e [ 263.547762] hardirqs last disabled at (1094098): [] __up_console_sem+0x27/0x4e [ 263.548817] softirqs last enabled at (1093692): [] handle_softirqs+0x48c/0x4de [ 263.550127] softirqs last disabled at (1094117): [] __irq_exit_rcu+0x4b/0xc3 [ 263.551104] ---[ end trace 0000000000000000 ]--- #34/ 6 sockhash:ktls:txmsg test drop:OK #35/ 6 sockhash:ktls:txmsg test ingress redirect:OK #36/ 7 sockhash:ktls:txmsg test skb:OK #37/12 sockhash:ktls:txmsg test apply:OK [ 278.915147] perf: interrupt took too long (4331 > 4257), lowering kernel.perf_event_max_sample_rate to 46000 [ 282.974989] test_sockmap (1077) used greatest stack depth: 25072 bytes left #38/12 sockhash:ktls:txmsg test cork:OK #39/ 3 sockhash:ktls:txmsg test hanging corks:OK #40/11 sockhash:ktls:txmsg test push_data:OK #41/17 sockhash:ktls:txmsg test pull-data:OK recv failed(): Invalid argument rx thread exited with err 1. recv failed(): Invalid argument rx thread exited with err 1. recv failed(): Bad message rx thread exited with err 1. #42/ 9 sockhash:ktls:txmsg test pop-data:FAIL recv failed(): Bad message rx thread exited with err 1. recv failed(): Message too long rx thread exited with err 1. #43/ 6 sockhash:ktls:txmsg test push/pop data:FAIL #44/ 1 sockhash:ktls:txmsg test ingress parser:OK #45/ 0 sockhash:ktls:txmsg test ingress parser2:OK Pass: 43 Fail: 5