random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
==================================================================
BUG: KMSAN: uninit-value in __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
BUG: KMSAN: uninit-value in __fswab32 include/uapi/linux/swab.h:59 [inline]
BUG: KMSAN: uninit-value in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
BUG: KMSAN: uninit-value in __xfrm_dst_hash net/xfrm/xfrm_hash.h:96 [inline]
BUG: KMSAN: uninit-value in xfrm_dst_hash net/xfrm/xfrm_state.c:60 [inline]
BUG: KMSAN: uninit-value in xfrm_state_find+0x2541/0x4fa0 net/xfrm/xfrm_state.c:952
CPU: 1 PID: 4464 Comm: syz-executor272 Not tainted 4.17.0+ #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:1122
 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620
 __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
 __fswab32 include/uapi/linux/swab.h:59 [inline]
 __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
 __xfrm_dst_hash net/xfrm/xfrm_hash.h:96 [inline]
 xfrm_dst_hash net/xfrm/xfrm_state.c:60 [inline]
 xfrm_state_find+0x2541/0x4fa0 net/xfrm/xfrm_state.c:952
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1393 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:1437 [inline]
 xfrm_resolve_and_create_bundle+0xc47/0x52d0 net/xfrm/xfrm_policy.c:1832
 xfrm_lookup+0x606/0x39f0 net/xfrm/xfrm_policy.c:2162
 xfrm_lookup_route+0xfa/0x360 net/xfrm/xfrm_policy.c:2282
 ip_route_output_flow+0x35b/0x3b0 net/ipv4/route.c:2568
 udp_sendmsg+0x2453/0x33c0 net/ipv4/udp.c:1008
 udpv6_sendmsg+0x1291/0x3f40 net/ipv6/udp.c:1175
 inet_sendmsg+0x3fc/0x760 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 ___sys_sendmsg+0xec8/0x1320 net/socket.c:2117
 __sys_sendmmsg+0x490/0x850 net/socket.c:2212
 __do_sys_sendmmsg net/socket.c:2241 [inline]
 __se_sys_sendmmsg net/socket.c:2238 [inline]
 __x64_sys_sendmmsg+0x11c/0x170 net/socket.c:2238
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x440049
RSP: 002b:00007ffffcfdcdf8 EFLAGS: 00000217 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440049
RDX: 0000000000000001 RSI: 0000000020002000 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401970
R13: 0000000000401a00 R14: 0000000000000000 R15: 0000000000000000

Local variable description: ----fl4_stack@udp_sendmsg
Variable was created at:
 udp_sendmsg+0xe5/0x33c0 net/ipv4/udp.c:841
 udpv6_sendmsg+0x1291/0x3f40 net/ipv6/udp.c:1175
==================================================================