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 ==================================================================