[v5.15] BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval()
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syzbot
Feb 18, 2025, 1:45:20 AM2/18/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: c16c81c81336 Linux 5.15.178
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12eabbf8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=3ca28fba9b2e5c5
dashboard link: https://syzkaller.appspot.com/bug?extid=706482fd412e86d6ee37
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16eabbf8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b4b7df980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3f2947e5e4dc/disk-c16c81c8.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/7034800fdaa8/vmlinux-c16c81c8.xz
kernel image: https://storage.googleapis.com/syzbot-assets/42337be7c213/Image-c16c81c8.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+706482...@syzkaller.appspotmail.com
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
---
This report is generated by a bot. It may contain errors.
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If the report is already addressed, let syzbot know by replying with:
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#syz undup
syzbot found the following issue on:
HEAD commit: c16c81c81336 Linux 5.15.178
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12eabbf8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=3ca28fba9b2e5c5
dashboard link: https://syzkaller.appspot.com/bug?extid=706482fd412e86d6ee37
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16eabbf8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b4b7df980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3f2947e5e4dc/disk-c16c81c8.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/7034800fdaa8/vmlinux-c16c81c8.xz
kernel image: https://storage.googleapis.com/syzbot-assets/42337be7c213/Image-c16c81c8.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+706482...@syzkaller.appspotmail.com
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval()
CPU: 0 PID: 4020 Comm: syz-executor360 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline]
ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline]
ccid3_hc_tx_packet_sent+0x250/0x2bc net/dccp/ccids/ccid3.c:353
ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline]
dccp_xmit_packet+0x298/0x448 net/dccp/output.c:289
dccp_write_xmit+0x128/0x208 net/dccp/output.c:366
dccp_sendmsg+0x608/0xae0 net/dccp/proto.c:810
inet_sendmsg+0x15c/0x290 net/ipv4/af_inet.c:834
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
__sys_sendto+0x388/0x4d0 net/socket.c:2063
__do_sys_sendto net/socket.c:2075 [inline]
__se_sys_sendto net/socket.c:2071 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
---
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