Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
=============================
WARNING: suspicious RCU usage
4.15.0-rc2+ #120 Not tainted
-----------------------------
./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor4/15930:
#0: (sk_lock-AF_INET6){+.+.}, at: [<000000001f18df60>] lock_sock include/net/sock.h:1465 [inline]
#0: (sk_lock-AF_INET6){+.+.}, at: [<000000001f18df60>] do_ipv6_setsockopt.isra.9+0x238/0x39c0 net/ipv6/ipv6_sockglue.c:167
stack backtrace:
CPU: 0 PID: 15930 Comm: syz-executor4 Not tainted 4.15.0-rc2+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4675
ireq_opt_deref include/net/inet_sock.h:135 [inline]
inet_csk_route_req+0x82a/0xca0 net/ipv4/inet_connection_sock.c:544
dccp_v4_send_response+0xa7/0x640 net/dccp/ipv4.c:485
dccp_v4_conn_request+0x9f4/0x11b0 net/dccp/ipv4.c:633
dccp_v6_conn_request+0xd30/0x1350 net/dccp/ipv6.c:317
dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612
dccp_v4_do_rcv+0xeb/0x160 net/dccp/ipv4.c:682
dccp_v6_do_rcv+0x81a/0x9b0 net/dccp/ipv6.c:578
sk_backlog_rcv include/net/sock.h:911 [inline]
__release_sock+0x124/0x360 net/core/sock.c:2264
release_sock+0xa4/0x2a0 net/core/sock.c:2779
do_ipv6_setsockopt.isra.9+0x4fb/0x39c0 net/ipv6/ipv6_sockglue.c:897
compat_ipv6_setsockopt+0xfc/0x1e0 net/ipv6/ipv6_sockglue.c:956
inet_csk_compat_setsockopt+0x95/0x120 net/ipv4/inet_connection_sock.c:1042
compat_dccp_setsockopt+0x40/0x70 net/dccp/proto.c:581
compat_sock_common_setsockopt+0xb2/0x140 net/core/sock.c:2979
C_SYSC_setsockopt net/compat.c:403 [inline]
compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386
do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7fe8c79
RSP: 002b:00000000f77e408c EFLAGS: 00000296 ORIG_RAX: 000000000000016e
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000000000029
RDX: 0000000000000020 RSI: 000000002055ffe0 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
=============================
WARNING: suspicious RCU usage
4.15.0-rc2+ #120 Not tainted
-----------------------------
./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor4/15930:
#0: (sk_lock-AF_INET6){+.+.}, at: [<000000001f18df60>] lock_sock include/net/sock.h:1465 [inline]
#0: (sk_lock-AF_INET6){+.+.}, at: [<000000001f18df60>] do_ipv6_setsockopt.isra.9+0x238/0x39c0 net/ipv6/ipv6_sockglue.c:167
stack backtrace:
CPU: 0 PID: 15930 Comm: syz-executor4 Not tainted 4.15.0-rc2+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4675
ireq_opt_deref include/net/inet_sock.h:135 [inline]
dccp_v4_send_response+0x4b0/0x640 net/dccp/ipv4.c:496
dccp_v4_conn_request+0x9f4/0x11b0 net/dccp/ipv4.c:633
dccp_v6_conn_request+0xd30/0x1350 net/dccp/ipv6.c:317
dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612
dccp_v4_do_rcv+0xeb/0x160 net/dccp/ipv4.c:682
dccp_v6_do_rcv+0x81a/0x9b0 net/dccp/ipv6.c:578
sk_backlog_rcv include/net/sock.h:911 [inline]
__release_sock+0x124/0x360 net/core/sock.c:2264
release_sock+0xa4/0x2a0 net/core/sock.c:2779
do_ipv6_setsockopt.isra.9+0x4fb/0x39c0 net/ipv6/ipv6_sockglue.c:897
compat_ipv6_setsockopt+0xfc/0x1e0 net/ipv6/ipv6_sockglue.c:956
inet_csk_compat_setsockopt+0x95/0x120 net/ipv4/inet_connection_sock.c:1042
compat_dccp_setsockopt+0x40/0x70 net/dccp/proto.c:581
compat_sock_common_setsockopt+0xb2/0x140 net/core/sock.c:2979
C_SYSC_setsockopt net/compat.c:403 [inline]
compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386
do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7fe8c79
RSP: 002b:00000000f77e408c EFLAGS: 00000296 ORIG_RAX: 000000000000016e
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000000000029
RDX: 0000000000000020 RSI: 000000002055ffe0 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
selinux_nlmsg_perm: 64 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16041 comm=syz-executor3
device syz5 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16051 comm=syz-executor3
device syz5 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16089 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16097 comm=syz-executor3
device syz5 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16129 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16132 comm=syz-executor3
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16212 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16212 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16241 comm=syz-executor3
device syz5 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=16251 comm=syz-executor3
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
QAT: Invalid ioctl
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
QAT: Invalid ioctl
QAT: Invalid ioctl
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
nla_parse: 9 callbacks suppressed
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
QAT: Invalid ioctl
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
QAT: Invalid ioctl
device syz5 entered promiscuous mode
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 17591 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
fail_dump lib/fault-inject.c:51 [inline]
should_fail+0x8c0/0xa40 lib/fault-inject.c:149
should_failslab+0xec/0x120 mm/failslab.c:32
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc mm/slab.c:3371 [inline]
kmem_cache_alloc+0x47/0x760 mm/slab.c:3545
getname_flags+0xcb/0x580 fs/namei.c:138
getname fs/namei.c:209 [inline]
SYSC_renameat2 fs/namei.c:4511 [inline]
SyS_renameat2 fs/namei.c:4482 [inline]
SYSC_rename fs/namei.c:4633 [inline]
SyS_rename+0x220/0xc90 fs/namei.c:4631
do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f47c79
RSP: 002b:00000000f774308c EFLAGS: 00000296 ORIG_RAX: 0000000000000026
RAX: ffffffffffffffda RBX: 0000000020fdbff8 RCX: 0000000020887ff8
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
QAT: Invalid ioctl
QAT: Invalid ioctl
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode
device syz5 entered promiscuous mode