Adds #if PPP_AUTH_SUPPORT around call to ppp_set_auth() (IDFGH-2925) #3
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…efined function error. ppp.h ppp_set_auth() definition is wrapped by PPP_AUTH_SUPPORT check. If PPP_SUPPORT is enabled and PPP_AUTH_SUPPORT is disabled, ppp_set_auth() is not a defined function.
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HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
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this pull request
Jun 17, 2023
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
that referenced
this pull request
Jun 18, 2023
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
that referenced
this pull request
Sep 20, 2023
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
that referenced
this pull request
Nov 3, 2024
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
that referenced
this pull request
Nov 3, 2024
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
HamzaHajeir
pushed a commit
to HamzaHajeir/esp-lwip
that referenced
this pull request
Mar 24, 2025
Reproducer (in bash):
base64 -d <<< "H4sIAP/9L2QCA+3WoQ2AMBSE4QoCTFHBBJfgSRF4RDfpRmgmYBpGQRBCk4ZiSfk/+fJMK+5dZRVpzSQzSs6oPierDV4y87WxLQLwE42SfNCdDyHJB9/xZwAARPbMJbUq4JJmu4JVT1cAAACfbGIqoqcMzy90eu+aBw2+N28WFgAA" | gunzip | test/fuzz/lwip_fuzz2
Crash log:
../../src/core/altcp_tcp.c:178:13: runtime error: member access within null pointer of type 'struct tcp_pcb'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../src/core/altcp_tcp.c:178:13 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==192415==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000048 (pc 0x557065081703 bp 0x0aae0cb71204 sp 0x7ffd034dabc0 T0)
==192415==The signal is caused by a READ memory access.
==192415==Hint: address points to the zero page.
#0 0x557065081703 in altcp_tcp_setup_callbacks /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19
espressif#1 0x55706508206f in altcp_tcp_setup /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:189:3
espressif#2 0x55706508206f in altcp_tcp_accept /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:84:5
espressif#3 0x557065095592 in tcp_input /.../lwip/test/fuzz/../../src/core/tcp_in.c:380:9
espressif#4 0x5570650e752f in ip4_input /.../lwip/test/fuzz/../../src/core/ipv4/ip4.c:743:9
espressif#5 0x55706513d4de in ethernet_input /.../lwip/test/fuzz/../../src/netif/ethernet.c:186:9
espressif#6 0x557064fe0959 in input_pkt /.../lwip/test/fuzz/fuzz_common.c:209:9
espressif#7 0x557064fdeb6a in input_pkts /.../lwip/test/fuzz/fuzz_common.c:257:9
espressif#8 0x557064fdeb6a in lwip_fuzztest /.../lwip/test/fuzz/fuzz_common.c:669:3
espressif#9 0x7ff4f578e189 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
espressif#10 0x7ff4f578e244 in __libc_start_main csu/../csu/libc-start.c:381:3
espressif#11 0x557064f20420 in _start (/.../lwip/test/fuzz/lwip_fuzz2+0x81420) (BuildId: 8680a96430d5749c90111fe9c3a3d4f881a5dbcd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /.../lwip/test/fuzz/../../src/core/altcp_tcp.c:178:19 in altcp_tcp_setup_callbacks
==192415==ABORTING
Aborted
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to avoid undefined function error.
ppp.h ppp_set_auth() definition is wrapped by PPP_AUTH_SUPPORT check. If PPP_SUPPORT is enabled and PPP_AUTH_SUPPORT is disabled, ppp_set_auth() is not a defined function.