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Regression #16790
openKernel panic due to race condition on a ``bpf`` device
Start date:
Due date:
% Done:
0%
Estimated time:
Plus Target Version:
26.03.1
Release Notes:
Default
Affected Version:
Affected Architecture:
Description
There are already two customers who reported about crashes which happened after update up to 26.03 pfSense Plus.
It happened on two different hardware: 7100 (HS #44225707405) and 4100 (HS #44386928982).
Crash report showed:
Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 18 fault virtual address = 0x30 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80eb2b66 stack pointer = 0x0:0xfffffe0067e2f7c0 frame pointer = 0x0:0xfffffe0067e2f830 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (if_io_tqg_1) rdi: fffffe0008760a00 rsi: fffffe0067e2f7e0 rdx: 0000000000000001 rcx: 00000000000042a7 r8: 0000000000000002 r9: fffff80149a99360 rax: 0000000000000000 rbx: fffff80149a99300 rbp: fffffe0067e2f830 r10: fffffe0067e2f6f0 r11: 0000000000000001 r12: 0000000000000060 r13: fffff80008751800 r14: 0000000000000000 r15: fffff8017099e800 trap number = 12 panic: page fault cpuid = 1 time = 1776065740 KDB: enter: panic db:1:pfs> bt Tracing pid 0 tid 100008 td 0xfffff80100d0b000 kdb_enter() at kdb_enter+0x33/frame 0xfffffe0067e2f640 panic() at panic+0x43/frame 0xfffffe0067e2f6a0 trap_pfault() at trap_pfault+0x3cf/frame 0xfffffe0067e2f6f0 calltrap() at calltrap+0x8/frame 0xfffffe0067e2f6f0 --- trap 0xc, rip = 0xffffffff80eb2b66, rsp = 0xfffffe0067e2f7c0, rbp = 0xfffffe0067e2f830 --- bpf_mtap() at bpf_mtap+0x86/frame 0xfffffe0067e2f830 vlan_transmit() at vlan_transmit+0x42/frame 0xfffffe0067e2f880 ether_output_frame() at ether_output_frame+0xd3/frame 0xfffffe0067e2f8b0 ether_output() at ether_output+0x697/frame 0xfffffe0067e2f940 ip_tryforward() at ip_tryforward+0x4fc/frame 0xfffffe0067e2f9e0 ip_input() at ip_input+0x31d/frame 0xfffffe0067e2fa40 netisr_dispatch_src() at netisr_dispatch_src+0x1fa/frame 0xfffffe0067e2fa90 ether_demux() at ether_demux+0x194/frame 0xfffffe0067e2fac0 ether_nh_input() at ether_nh_input+0x32b/frame 0xfffffe0067e2fb20 netisr_dispatch_src() at netisr_dispatch_src+0x9f/frame 0xfffffe0067e2fb70 ether_input() at ether_input+0x56/frame 0xfffffe0067e2fbc0 ether_demux() at ether_demux+0x8e/frame 0xfffffe0067e2fbf0 ether_nh_input() at ether_nh_input+0x32b/frame 0xfffffe0067e2fc50 netisr_dispatch_src() at netisr_dispatch_src+0x9f/frame 0xfffffe0067e2fca0 ether_input() at ether_input+0x56/frame 0xfffffe0067e2fcf0 iflib_rxeof() at iflib_rxeof+0xa6f/frame 0xfffffe0067e2fe00 _task_fn_rx() at _task_fn_rx+0x72/frame 0xfffffe0067e2fe40 gtaskqueue_run_locked() at gtaskqueue_run_locked+0x14e/frame 0xfffffe0067e2fec0 gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xc2/frame 0xfffffe0067e2fef0 fork_exit() at fork_exit+0x7b/frame 0xfffffe0067e2ff30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0067e2ff30 --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
System logs showed nothing informative.
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