[ 15.175746][ T232] ------------[ cut here ]------------ [ 15.176199][ T232] WARNING: CPU: 3 PID: 232 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0x786/0x1550 [ 15.176742][ T232] Modules linked in: [ 15.177020][ T232] CPU: 3 UID: 0 PID: 232 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 15.177649][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.178052][ T232] RIP: 0010:__dev_xmit_skb+0x786/0x1550 [ 15.178370][ T232] Code: 7d 06 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 86 0d 00 00 66 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 28 48 89 fa 48 [ 15.179470][ T232] RSP: 0018:ffffc90000ab72e0 EFLAGS: 00010202 [ 15.179872][ T232] RAX: 0000000000000007 RBX: 0000000000000002 RCX: ffffffff835f4955 [ 15.180333][ T232] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800a8f6486 [ 15.180799][ T232] RBP: ffff88800a8f6480 R08: ffff88800ba8c118 R09: ffffed100185fb33 [ 15.181260][ T232] R10: ffff88800c2fd99f R11: ffffc90000ab6ff8 R12: ffff88800ba8c118 [ 15.181733][ T232] R13: ffff88800c2fd800 R14: ffff88800c2fda08 R15: ffff88800c2fd800 [ 15.182193][ T232] FS: 00000000203483c0(0000) GS:ffff8880aa99a000(0000) knlGS:0000000000000000 [ 15.182737][ T232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.183280][ T232] CR2: 00007f2b5813f000 CR3: 0000000009413004 CR4: 0000000000772ef0 [ 15.183751][ T232] PKRU: 55555554 [ 15.183984][ T232] Call Trace: [ 15.184211][ T232] [ 15.184375][ T232] ? dev_get_stats+0xc20/0xc20 [ 15.184699][ T232] ? rcu_is_watching+0x12/0xb0 [ 15.185012][ T232] ? lock_acquire+0x104/0x160 [ 15.185320][ T232] __dev_queue_xmit+0x912/0x17d0 [ 15.185646][ T232] ? netdev_core_pick_tx+0x320/0x320 [ 15.185948][ T232] ? find_held_lock+0x2b/0x80 [ 15.186257][ T232] ? neigh_connected_output+0x33b/0x500 [ 15.186561][ T232] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.186875][ T232] ? neigh_connected_output+0x33b/0x500 [ 15.187187][ T232] ip_finish_output2+0x601/0x17c0 [ 15.187493][ T232] ? ip_skb_dst_mtu+0x355/0x820 [ 15.187806][ T232] ? ip_fragment.constprop.0+0x230/0x230 [ 15.188113][ T232] ? __ip_finish_output+0x15a/0x2d0 [ 15.188417][ T232] ip_output+0x116/0x320 [ 15.188655][ T232] __ip_queue_xmit+0x6da/0x11d0 [ 15.188959][ T232] ? __skb_clone+0x57a/0x760 [ 15.189261][ T232] __tcp_transmit_skb+0x189a/0x3390 [ 15.189579][ T232] ? __tcp_select_window+0xea0/0xea0 [ 15.189905][ T232] ? tcp_small_queue_check.isra.0+0x236/0x340 [ 15.190291][ T232] tcp_write_xmit+0x8c0/0x2ec0 [ 15.190605][ T232] ? __alloc_skb+0x237/0x2e0 [ 15.190918][ T232] ? tcp_retrans_try_collapse+0xf30/0xf30 [ 15.191227][ T232] ? skb_do_copy_data_nocache+0xb0/0x240 [ 15.191533][ T232] ? trace_tcp_ao_handshake_failure+0x1d0/0x1d0 [ 15.191923][ T232] __tcp_push_pending_frames+0x96/0x320 [ 15.192231][ T232] tcp_sendmsg_locked+0x1ccd/0x3a40 [ 15.192551][ T232] ? tcp_sendmsg_fastopen+0x650/0x650 [ 15.192864][ T232] ? find_held_lock+0x2b/0x80 [ 15.193179][ T232] ? __local_bh_enable_ip+0xa9/0x120 [ 15.193488][ T232] tcp_sendmsg+0x2c/0x40 [ 15.193728][ T232] sock_write_iter+0x27b/0x460 [ 15.194031][ T232] ? ____sys_recvmsg+0x650/0x650 [ 15.194337][ T232] ? sk_setsockopt+0x4f1/0x2850 [ 15.194662][ T232] ? __lock_acquire+0x449/0x7e0 [ 15.194967][ T232] vfs_write+0xbff/0x12c0 [ 15.195204][ T232] ? find_held_lock+0x2b/0x80 [ 15.195506][ T232] ? kernel_write+0x6b0/0x6b0 [ 15.195823][ T232] ? __fget_files+0x199/0x300 [ 15.196138][ T232] ksys_write+0x17f/0x1d0 [ 15.196366][ T232] ? fput+0x4d/0xa0 [ 15.196594][ T232] ? __ia32_sys_read+0xb0/0xb0 [ 15.196922][ T232] do_syscall_64+0xc1/0xfd0 [ 15.197228][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.197604][ T232] RIP: 0033:0x49002f [ 15.197857][ T232] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 7a 04 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc 7a 04 00 48 [ 15.198954][ T232] RSP: 002b:00007fffb1f484c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 15.199411][ T232] RAX: ffffffffffffffda RBX: 00007fffb1f48ab0 RCX: 000000000049002f [ 15.199872][ T232] RDX: 0000000000002328 RSI: 0000000020357200 RDI: 000000000000000a [ 15.200328][ T232] RBP: 00007fffb1f48540 R08: 0000000000000000 R09: 0000000000000241 [ 15.200795][ T232] R10: 0000000000000008 R11: 0000000000000293 R12: 00007fffb1f48a28 [ 15.201251][ T232] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001 [ 15.201735][ T232] [ 15.201967][ T232] irq event stamp: 1969070 [ 15.202269][ T232] hardirqs last enabled at (1969078): [] __up_console_sem+0x67/0x70 [ 15.202811][ T232] hardirqs last disabled at (1969087): [] __up_console_sem+0x4c/0x70 [ 15.203351][ T232] softirqs last enabled at (1968428): [] handle_softirqs+0x352/0x610 [ 15.203886][ T232] softirqs last disabled at (1968432): [] __dev_queue_xmit+0x1fc/0x17d0 [ 15.204415][ T232] ---[ end trace 0000000000000000 ]---