[....] Starting enhanced syslogd: rsyslogd[ 14.744764] audit: type=1400 audit(1561924940.715:4): avc: denied { syslog } for pid=1926 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. 2019/06/30 20:02:43 fuzzer started 2019/06/30 20:02:47 dialing manager at 10.128.0.26:44073 2019/06/30 20:02:48 syscalls: 1324 2019/06/30 20:02:48 code coverage: enabled 2019/06/30 20:02:48 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/06/30 20:02:48 extra coverage: extra coverage is not supported by the kernel 2019/06/30 20:02:48 setuid sandbox: enabled 2019/06/30 20:02:48 namespace sandbox: enabled 2019/06/30 20:02:48 Android sandbox: /sys/fs/selinux/policy does not exist 2019/06/30 20:02:48 fault injection: kernel does not have systematic fault injection support 2019/06/30 20:02:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/06/30 20:02:48 net packet injection: enabled 2019/06/30 20:02:48 net device setup: enabled 20:03:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000acc000)={@multicast2, @multicast1, 0x2}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x24, &(0x7f0000000000)={@multicast2, @multicast1}, 0xc) 20:03:10 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0xffffffffffffffb6, 0x0, 0xfffffd8b}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/tcp6\x00') preadv(r0, &(0x7f00000017c0), 0x1be, 0x0) 20:03:10 executing program 2: mkdir(&(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r0 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) mknodat(r0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0) renameat2(r0, &(0x7f0000000040)='./file0\x00', r0, &(0x7f0000000080)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x2) 20:03:10 executing program 4: signalfd4(0xffffffffffffffff, &(0x7f0000000000)={0x7}, 0x8, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r1, r2, 0x0, 0x7ffffffc) 20:03:10 executing program 3: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'nr0\x00\x00\x00\xfd\x81\x00', 0x2}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000280)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @initdev}, {0x2, 0x0, @multicast2}}) ioctl(r0, 0x80000000008936, &(0x7f0000000000)) 20:03:10 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) 20:03:11 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0xffffffffffffffb6, 0x0, 0xfffffd8b}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/tcp6\x00') preadv(r0, &(0x7f00000017c0), 0x1be, 0x0) 20:03:11 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0xffffffffffffffb6, 0x0, 0xfffffd8b}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/tcp6\x00') preadv(r0, &(0x7f00000017c0), 0x1be, 0x0) 20:03:11 executing program 2: mkdir(&(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r0 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) mknodat(r0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0) renameat2(r0, &(0x7f0000000040)='./file0\x00', r0, &(0x7f0000000080)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x2) 20:03:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000acc000)={@multicast2, @multicast1, 0x2}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x24, &(0x7f0000000000)={@multicast2, @multicast1}, 0xc) 20:03:11 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0xffffffffffffffb6, 0x0, 0xfffffd8b}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/tcp6\x00') preadv(r0, &(0x7f00000017c0), 0x1be, 0x0) 20:03:11 executing program 2: mkdir(&(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r0 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) mknodat(r0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0) renameat2(r0, &(0x7f0000000040)='./file0\x00', r0, &(0x7f0000000080)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x2) 20:03:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000acc000)={@multicast2, @multicast1, 0x2}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x24, &(0x7f0000000000)={@multicast2, @multicast1}, 0xc) 20:03:11 executing program 2: mkdir(&(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r0 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) mknodat(r0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0) renameat2(r0, &(0x7f0000000040)='./file0\x00', r0, &(0x7f0000000080)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x2) 20:03:11 executing program 1: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)="24000000200007021dfffd946f610500020000031f0000000000080008000d000400ff7e", 0x24}], 0x1}, 0x0) 20:03:11 executing program 4: signalfd4(0xffffffffffffffff, &(0x7f0000000000)={0x7}, 0x8, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r1, r2, 0x0, 0x7ffffffc) syzkaller login: [ 65.668868] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12297 sclass=netlink_route_socket [ 65.703188] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12297 sclass=netlink_route_socket 20:03:11 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x6, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="11dca5055e0bcfec7be070") write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0004fd0a0bb205508289380040001607a80f3d2ed90900338f0b304c9f72b500004fcb223b2c040008710e13"], 0x2c) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000240)) r2 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x0, 0xffffffffffffffc1}) 20:03:11 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) 20:03:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000acc000)={@multicast2, @multicast1, 0x2}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x24, &(0x7f0000000000)={@multicast2, @multicast1}, 0xc) 20:03:11 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000080)="c0dca5055e0bcfec7be070") r1 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x1100082) r2 = memfd_create(&(0x7f0000000140)='\x8e\x1a,\x7f\x00\xabN\xa2\xb2\x1fG\tlv\x85\xa3\x87\x98s\x13h\xa4\xdd\xd5q\xb4rih0Iq\xf9d0\xe1`\xb4{A\x9f\xb2\xc2\xeco\xda`\xccZJ\xcc\xbd\f\x8eE\xce\xf1]\r\xc0\x91\xe7c\xbd\x96C\xce\xb1\x1a\x87\x91\x0e\x1cta\x15\xbb\x1f\x9e\xe5\xb5/\x9a\xe4\x7fc\xef\xf4\x89\x8c+\xed\\\xce6U\xe0\xf9\x8f\x1d\x9f\xad\xf7\xf2.\xf2s\xdb\x8d\xae\xa3\xe9\xbf\x1f\xf5\x98\x1b\x88d\x9ds\b\xcf\x9a\x1b\x86\xc7\x06|$\xe8G8?^\xcel\x88\x18~\xbe\x02\xea\xf54-\"8&l)\x1c\rZ\xadPg\xe1\xfc\x0f9\x0e\xb7\xfeeJy\xe6\x15r\x9e', 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1d, 0x0, "f5794f3ae20257f9a420f244eb7a44152c46ffef791a99903a328a209e054152ab44664c5b2b80703cef0cc9aa5778a75a6b2a1e409eb92610d269d453191ae4", "31ca0f94481ba2dee2e545d3c41bee8434dbd0d4c200526344e1699f7ccca4d61e29ca2252519355c09b476dc6cca07b17947afbc9e456d5deab536826d34ba4", "64f5ab597dff9d97247993277bf6ecfcd09a9a9c25de30bb78793b037a96f82b"}) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, "7001e0f57c8cf6270b24e415e96042aae51d871554c11cd59cc8fb47081025bad6b39d778066f9d1ac8a570e3a42f70a7c0f30f66157a96aae15813f0dceb297", "a8a4cd01e527e6fd3de45387daf7b1ac786d0e8a75e8904655361fe06f308fe6033a61edb75c8d51c055faf7f4fdb16e0cdaa4276939a341033400", "2f18ffffffffffff4116893616105829576914e70bfeb59800f97c97644ab8a7"}) 20:03:11 executing program 1: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)="24000000200007021dfffd946f610500020000031f0000000000080008000d000400ff7e", 0x24}], 0x1}, 0x0) 20:03:11 executing program 4: signalfd4(0xffffffffffffffff, &(0x7f0000000000)={0x7}, 0x8, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r1, r2, 0x0, 0x7ffffffc) 20:03:11 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x6, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="11dca5055e0bcfec7be070") write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0004fd0a0bb205508289380040001607a80f3d2ed90900338f0b304c9f72b500004fcb223b2c040008710e13"], 0x2c) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000240)) r2 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x0, 0xffffffffffffffc1}) 20:03:11 executing program 1: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)="24000000200007021dfffd946f610500020000031f0000000000080008000d000400ff7e", 0x24}], 0x1}, 0x0) 20:03:11 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x6, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="11dca5055e0bcfec7be070") write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0004fd0a0bb205508289380040001607a80f3d2ed90900338f0b304c9f72b500004fcb223b2c040008710e13"], 0x2c) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000240)) r2 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x0, 0xffffffffffffffc1}) 20:03:11 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) 20:03:12 executing program 4: signalfd4(0xffffffffffffffff, &(0x7f0000000000)={0x7}, 0x8, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r1, r2, 0x0, 0x7ffffffc) [ 65.970405] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12297 sclass=netlink_route_socket 20:03:12 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) [ 66.045199] loop_reread_partitions: partition scan of loop0 (p|' $`BT՜G%ֳwfѬW:B [ 66.045199] |0aWj? β) failed (rc=-13) 20:03:12 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x6, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="11dca5055e0bcfec7be070") write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0004fd0a0bb205508289380040001607a80f3d2ed90900338f0b304c9f72b500004fcb223b2c040008710e13"], 0x2c) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000240)) r2 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x0, 0xffffffffffffffc1}) 20:03:12 executing program 1: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)="24000000200007021dfffd946f610500020000031f0000000000080008000d000400ff7e", 0x24}], 0x1}, 0x0) 20:03:12 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) [ 66.117084] loop_reread_partitions: partition scan of loop0 () failed (rc=-13) [ 66.149517] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12297 sclass=netlink_route_socket 20:03:12 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000080)="c0dca5055e0bcfec7be070") r1 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x1100082) r2 = memfd_create(&(0x7f0000000140)='\x8e\x1a,\x7f\x00\xabN\xa2\xb2\x1fG\tlv\x85\xa3\x87\x98s\x13h\xa4\xdd\xd5q\xb4rih0Iq\xf9d0\xe1`\xb4{A\x9f\xb2\xc2\xeco\xda`\xccZJ\xcc\xbd\f\x8eE\xce\xf1]\r\xc0\x91\xe7c\xbd\x96C\xce\xb1\x1a\x87\x91\x0e\x1cta\x15\xbb\x1f\x9e\xe5\xb5/\x9a\xe4\x7fc\xef\xf4\x89\x8c+\xed\\\xce6U\xe0\xf9\x8f\x1d\x9f\xad\xf7\xf2.\xf2s\xdb\x8d\xae\xa3\xe9\xbf\x1f\xf5\x98\x1b\x88d\x9ds\b\xcf\x9a\x1b\x86\xc7\x06|$\xe8G8?^\xcel\x88\x18~\xbe\x02\xea\xf54-\"8&l)\x1c\rZ\xadPg\xe1\xfc\x0f9\x0e\xb7\xfeeJy\xe6\x15r\x9e', 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1d, 0x0, "f5794f3ae20257f9a420f244eb7a44152c46ffef791a99903a328a209e054152ab44664c5b2b80703cef0cc9aa5778a75a6b2a1e409eb92610d269d453191ae4", "31ca0f94481ba2dee2e545d3c41bee8434dbd0d4c200526344e1699f7ccca4d61e29ca2252519355c09b476dc6cca07b17947afbc9e456d5deab536826d34ba4", "64f5ab597dff9d97247993277bf6ecfcd09a9a9c25de30bb78793b037a96f82b"}) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, "7001e0f57c8cf6270b24e415e96042aae51d871554c11cd59cc8fb47081025bad6b39d778066f9d1ac8a570e3a42f70a7c0f30f66157a96aae15813f0dceb297", "a8a4cd01e527e6fd3de45387daf7b1ac786d0e8a75e8904655361fe06f308fe6033a61edb75c8d51c055faf7f4fdb16e0cdaa4276939a341033400", "2f18ffffffffffff4116893616105829576914e70bfeb59800f97c97644ab8a7"}) 20:03:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x6, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000000)="11dca5055e0bcfec7be070") write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0004fd0a0bb205508289380040001607a80f3d2ed90900338f0b304c9f72b500004fcb223b2c040008710e13"], 0x2c) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000240)) r2 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000040)={0x0, 0xffffffffffffffc1}) 20:03:12 executing program 1: r0 = getpgrp(0xffffffffffffffff) setpriority(0x2, r0, 0x0) 20:03:12 executing program 3: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00', 0x20000015001}) ioctl$TUNATTACHFILTER(r0, 0x401054d5, 0x0) [ 66.205124] loop_reread_partitions: partition scan of loop0 (p|' $`BT՜G%ֳwfѬW:B [ 66.205124] |0aWj? β) failed (rc=-13) 20:03:12 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="c0dca5055e0bcfec7be070") r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000080)={'veth0\x00', 0x201d}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'veth0\x00', 0x0}) r4 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f0000000000)={@initdev, 0x0, r3}) close(r2) INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes [ 281.615176] INFO: task syz-executor.0:2116 blocked for more than 140 seconds. [ 281.627689] Not tainted 4.4.174+ #4 [ 281.631830] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 281.639827] syz-executor.0 D ffff8801c685f9d8 25024 2116 1 0x00000004 [ 281.647396] ffff8801c685f9d8 ffff8800b7e5df00 fc84f08d32770b91 ffff8800b7e5df00 [ 281.655573] 0000000000000001 ffff8800b7e5e700 ffff8801db71f180 ffff8801db71f1a8 [ 281.663763] ffff8801db71e898 ffff8800b8f90000 ffff8800b7e5df00 ffffed0038d0b001 [ 281.671864] Call Trace: [ 281.674431] [] schedule+0x99/0x1d0 [ 281.679667] [] schedule_preempt_disabled+0x13/0x20 [ 281.686266] [] mutex_lock_nested+0x3c2/0xb80 [ 281.692317] [] ? blkdev_reread_part+0x1f/0x40 [ 281.698507] [] ? find_next_bit+0x44/0x50 [ 281.704252] [] ? mutex_trylock+0x500/0x500 [ 281.710212] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 281.717075] [] blkdev_reread_part+0x1f/0x40 [ 281.723023] [] loop_reread_partitions+0x7c/0x90 [ 281.729355] [] loop_clr_fd+0x7f1/0xa70 [ 281.734891] [] lo_ioctl+0x7b6/0x1a70 [ 281.740289] [] ? debug_check_no_obj_freed+0x159/0x6e0 [ 281.747284] [] ? loop_queue_work+0x2290/0x2290 [ 281.753498] [] blkdev_ioctl+0xed9/0x1940 [ 281.759237] [] ? blkpg_ioctl+0x900/0x900 [ 281.764942] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 281.772032] [] ? debug_check_no_obj_freed+0x2b9/0x6e0 [ 281.778920] [] ? get_unused_fd_flags+0xd0/0xd0 [ 281.785171] [] ? check_preemption_disabled+0x3c/0x200 [ 281.791995] [] ? check_preemption_disabled+0x3c/0x200 [ 281.798875] [] block_ioctl+0xde/0x120 [ 281.804314] [] ? blkdev_read_iter+0x160/0x160 [ 281.810500] [] do_vfs_ioctl+0x6e7/0xfa0 [ 281.816131] [] ? selinux_parse_skb.constprop.0+0x16b0/0x16b0 [ 281.823671] [] ? ioctl_preallocate+0x200/0x200 [ 281.829935] [] ? do_sys_open+0x237/0x600 [ 281.835703] [] ? filp_open+0x70/0x70 [ 281.841057] [] ? SyS_mkdirat+0x164/0x250 [ 281.846798] [] ? task_work_run+0x251/0x2b0 [ 281.852661] [] ? security_file_ioctl+0x8f/0xc0 [ 281.859023] [] SyS_ioctl+0x8f/0xc0 [ 281.864216] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 281.870840] 2 locks held by syz-executor.0/2116: [ 281.875594] #0: (loop_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x85/0x1a70 [ 281.884808] #1: (&bdev->bd_mutex){+.+.+.}, at: [] blkdev_reread_part+0x1f/0x40 [ 281.894571] Sending NMI to all CPUs: [ 281.898600] NMI backtrace for cpu 0 [ 281.902216] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #4 [ 281.908473] task: ffffffff82e151c0 task.stack: ffffffff82e00000 [ 281.914513] RIP: 0010:[] [] native_safe_halt+0x2/0x10 [ 281.922943] RSP: 0018:ffffffff82e07db0 EFLAGS: 00000246 [ 281.928403] RAX: 0000000000000007 RBX: ffffffff8319bf68 RCX: 0000000000000000 [ 281.935804] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff82e15a84 [ 281.943065] RBP: ffffffff82e07de0 R08: 0000000000000000 R09: 0000000000000000 [ 281.950343] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 281.957629] R13: ffffffff82e08000 R14: dffffc0000000000 R15: ffffffff82e00000 [ 281.964880] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 281.973119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 281.979013] CR2: 000000c4224cc010 CR3: 00000000b9169000 CR4: 00000000001606b0 [ 281.987280] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 281.994627] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 282.001910] Stack: [ 282.004039] ffffffff81020b16 ffffffff82e00000 0000000000000000 ffffffff82e08000 [ 282.011648] dffffc0000000000 ffffffff82e00000 ffffffff82e07df0 ffffffff81022d50 [ 282.019191] ffffffff82e07e08 ffffffff811eb4c8 0000000000000000 ffffffff82e07ed0 [ 282.026755] Call Trace: [ 282.029327] [] ? default_idle+0x56/0x3d0 [ 282.035058] [] arch_cpu_idle+0x10/0x20 [ 282.040592] [] default_idle_call+0x48/0x70 [ 282.046545] [] cpu_startup_entry+0x6d1/0x810 [ 282.052595] [] ? complete+0x18/0x70 [ 282.057895] [] ? call_cpuidle+0xe0/0xe0 [ 282.063509] [] ? schedule+0xab/0x1d0 [ 282.068948] [] rest_init+0x190/0x199 [ 282.074481] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 282.082572] [] start_kernel+0x64a/0x67e [ 282.088208] [] ? thread_stack_cache_init+0xb/0xb [ 282.094586] [] ? early_idt_handler_array+0x120/0x120 [ 282.101371] [] ? early_idt_handler_array+0x120/0x120 [ 282.108707] [] x86_64_start_reservations+0x29/0x2b [ 282.115290] [] x86_64_start_kernel+0x137/0x15a [ 282.121505] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 0f 1f 40 00 66 [ 282.140548] NMI backtrace for cpu 1 [ 282.144301] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 282.150736] task: ffff8801da6c2f80 task.stack: ffff8800001e8000 [ 282.156817] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 282.165598] RSP: 0018:ffff8800001efc88 EFLAGS: 00000046 [ 282.171036] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 282.178341] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 282.185613] RBP: ffff8800001efcb8 R08: 0000000000000018 R09: 0000000000000000 [ 282.192867] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 282.200166] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 282.207441] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 282.215912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 282.221784] CR2: 000000c4224cc000 CR3: 00000000b7d3b000 CR4: 00000000001606b0 [ 282.229229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 282.236586] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 282.243840] Stack: [ 282.246009] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 282.253640] 000000000001b6c0 0000000000000008 ffff8800001efcd8 ffffffff81092bee [ 282.261218] 0000000000000008 ffffffff82924260 ffff8800001efd30 ffffffff81ab8252 [ 282.268772] Call Trace: [ 282.271349] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 282.277877] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 282.285244] [] ? print_lock+0xa8/0xab [ 282.290669] [] ? irq_force_complete_move+0x330/0x330 [ 282.297430] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 282.304427] [] watchdog.cold+0xd3/0xee [ 282.309995] [] ? watchdog+0xac/0xa00 [ 282.315362] [] ? reset_hung_task_detector+0x20/0x20 [ 282.322008] [] kthread+0x273/0x310 [ 282.327236] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.334007] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 282.340366] [] ? finish_task_switch+0x1e1/0x660 [ 282.346811] [] ? finish_task_switch+0x1b3/0x660 [ 282.353110] [] ? __schedule+0x7af/0x1ee0 [ 282.358855] [] ? __schedule+0x7a3/0x1ee0 [ 282.364596] [] ? __schedule+0x7af/0x1ee0 [ 282.370331] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.376993] [] ret_from_fork+0x55/0x80 [ 282.382511] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.389222] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1 [ 282.408473] Kernel panic - not syncing: hung_task: blocked tasks [ 282.414615] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 282.420999] 0000000000000000 9abd04cc7b4f86cc ffff8800001efc60 ffffffff81aad1a1 [ 282.429002] ffff8800b7e5df00 ffffffff82872120 dffffc0000000000 0000000000000002 [ 282.437052] 00000000003fff9a ffff8800001efd40 ffffffff813a48c2 0000000041b58ab3 [ 282.445094] Call Trace: [ 282.447674] [] dump_stack+0xc1/0x120 [ 282.453023] [] panic+0x1b9/0x37b [ 282.458023] [] ? add_taint.cold+0x16/0x16 [ 282.463800] [] ? find_next_bit+0x44/0x50 [ 282.469497] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 282.476747] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 282.483997] [] watchdog.cold+0xe4/0xee [ 282.489509] [] ? watchdog+0xac/0xa00 [ 282.494860] [] ? reset_hung_task_detector+0x20/0x20 [ 282.501511] [] kthread+0x273/0x310 [ 282.506684] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.513328] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 282.519623] [] ? finish_task_switch+0x1e1/0x660 [ 282.525925] [] ? finish_task_switch+0x1b3/0x660 [ 282.532231] [] ? __schedule+0x7af/0x1ee0 [ 282.537924] [] ? __schedule+0x7a3/0x1ee0 [ 282.543613] [] ? __schedule+0x7af/0x1ee0 [ 282.549311] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.555962] [] ret_from_fork+0x55/0x80 [ 282.561479] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 282.568714] Kernel Offset: disabled [ 282.572347] Rebooting in 86400 seconds..