Date: Fri, 16 Jan 2026 11:29:16 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 292502] panic: Assertion m->m_nextpkt == NULL failed at /usr/src/sys/net/iflib.c:3719 Message-ID: <bug-292502-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292502 Bug ID: 292502 Summary: panic: Assertion m->m_nextpkt == NULL failed at /usr/src/sys/net/iflib.c:3719 Product: Base System Version: 16.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: dan.kotowski@a9development.com Created attachment 267195 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=267195&action=edit info.last I can reliably trigger this panic on main@1e8c28712aaf [1380] panic: Assertion m->m_nextpkt == NULL failed at /usr/local/src/sys/net/iflib.c:3719 [1380] cpuid = 2 [1380] time = 1768561326 [1380] KDB: stack backtrace: [1380] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe014f158110 [1380] vpanic() at vpanic+0x136/frame 0xfffffe014f158240 [1380] panic() at panic+0x43/frame 0xfffffe014f1582a0 [1380] _iflib_completed_tx_reclaim() at _iflib_completed_tx_reclaim+0x1eb/frame 0xfffffe014f1582f0 [1380] iflib_txq_drain() at iflib_txq_drain+0x74/frame 0xfffffe014f158380 [1380] drain_ring_lockless() at drain_ring_lockless+0x8a/frame 0xfffffe014f1583d0 [1380] ifmp_ring_enqueue() at ifmp_ring_enqueue+0x332/frame 0xfffffe014f158420 [1380] iflib_if_transmit() at iflib_if_transmit+0x273/frame 0xfffffe014f1584a0 [1380] bridge_enqueue() at bridge_enqueue+0x214/frame 0xfffffe014f1584f0 [1380] ether_output_frame() at ether_output_frame+0xd3/frame 0xfffffe014f158520 [1380] ether_output() at ether_output+0x71d/frame 0xfffffe014f1585b0 [1380] ip_output() at ip_output+0x18c8/frame 0xfffffe014f1586e0 [1380] tcp_default_output() at tcp_default_output+0x21c8/frame 0xfffffe014f1588b0 [1380] tcp_do_segment() at tcp_do_segment+0x2ba6/frame 0xfffffe014f1589a0 [1380] tcp_input_with_port() at tcp_input_with_port+0x1112/frame 0xfffffe014f158af0 [1380] tcp_input() at tcp_input+0xb/frame 0xfffffe014f158b00 [1380] ip_input() at ip_input+0x28d/frame 0xfffffe014f158b60 [1380] netisr_dispatch_src() at netisr_dispatch_src+0xb4/frame 0xfffffe014f158bc0 [1380] ether_demux() at ether_demux+0x16a/frame 0xfffffe014f158bf0 [1380] ether_nh_input() at ether_nh_input+0x3ce/frame 0xfffffe014f158c40 [1380] netisr_dispatch_src() at netisr_dispatch_src+0xb4/frame 0xfffffe014f158ca0 [1380] ether_input() at ether_input+0xd5/frame 0xfffffe014f158d00 [1380] iflib_rxeof() at iflib_rxeof+0xbc9/frame 0xfffffe014f158e00 [1380] _task_fn_rx() at _task_fn_rx+0x7a/frame 0xfffffe014f158e40 [1380] gtaskqueue_run_locked() at gtaskqueue_run_locked+0x18e/frame 0xfffffe014f158ec0 [1380] gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xd3/frame 0xfffffe014f158ef0 [1380] fork_exit() at fork_exit+0x82/frame 0xfffffe014f158f30 [1380] fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe014f158f30 [1380] --- trap 0x1add2397, rip = 0x129a2a3f9eda2a3b, rsp = 0x35adb17339edb177, rbp = 0x9929d5d85d29d59 --- [1380] KDB: enter: panic -- You are receiving this mail because: You are the assignee for the bug.home | help
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