000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x20, &(0x7f0000000140)={@remote, @empty, 0x0}, &(0x7f0000000180)=0xc) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f00000001c0)={r1, 0x1, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:31 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount(&(0x7f0000000300)='./bus\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000fcefd9)="72616d667300008b40d64ca9b3bbffaa90f0da928d0000000252ccff6ecf921addffa9b3b6e29d", 0x0, &(0x7f0000000040)="d82b50e8c46dabf07628d4084dbc925de80858f77de44e3f2228f0bdfecd5c6d80a77ce3ef8251834ecd671402fd1e") mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x11, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:31 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x11, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:31 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:31 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:31 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000180)=0x0) prctl$setptracer(0x59616d61, r0) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:31 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:31 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:31 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x0) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 671.548178] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:32 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 7: mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x11, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:32 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) socketpair(0x6, 0x5, 0x7, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000001c0)=@file={0x1, './file0/file0\x00'}, 0x6e) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r2 = dup3(r1, r0, 0x80000) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r2, 0x111, 0x1, 0x4, 0x4) ioctl$KDSETLED(r2, 0x4b32, 0x4) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f0000000180)='ramfs\x00', 0x100000, &(0x7f0000000140)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:32 executing program 5: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000880)='/selinux/status\x00', 0x0, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000980)=""/9) write$selinux_user(r0, &(0x7f00000008c0)={'system_u:object_r:device_t:s0', 0x20, 'root\x00'}, 0x23) recvmsg(0xffffffffffffff9c, &(0x7f0000000640)={&(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @dev}}}}, 0x80, &(0x7f0000000580)=[{&(0x7f0000000080)=""/177, 0xb1}, {&(0x7f0000000140)=""/165, 0xa5}, {&(0x7f0000000240)=""/235, 0xeb}, {&(0x7f0000000340)=""/5, 0x5}, {&(0x7f0000000380)=""/244, 0xf4}, {&(0x7f0000000480)=""/125, 0x7d}, {&(0x7f0000000500)=""/127, 0x7f}], 0x7, &(0x7f00000005c0)=""/93, 0xfffffffffffffe75, 0x6}, 0x2020) getsockopt$inet_dccp_int(r0, 0x21, 0x4, &(0x7f0000000900), &(0x7f0000000940)=0x4) getsockopt$inet_dccp_buf(r1, 0x21, 0x8f, &(0x7f0000000680), &(0x7f00000006c0)) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000840)='/selinux/mls\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000700)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r1, &(0x7f0000000800)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x58901002}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x78, r2, 0x200, 0x70bd2b, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffffffffffffff7}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x8}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, [@IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x7}}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0x1c}}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x4008090}, 0x40000) 2018/04/21 01:56:32 executing program 7: mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x11, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:32 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 672.164242] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:32 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0xffffffffffffffff, 0x82) r0 = add_key(&(0x7f0000000000)='logon\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)="e9c1ee8113e0710a47c56af5a419c5df3a0533d42c0309e1605cd81552ed3998024ab05b5bee81e713e62c0f5a4d87f61a415266463b144a0808ba540cbcfd655ef886e81685ed59bcf37d097bb0f286d0", 0x51, 0x0) keyctl$setperm(0x5, r0, 0x20000) [ 672.294438] blk_update_request: I/O error, dev loop0, sector 0 [ 672.300474] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:32 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:32 executing program 7: mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x11, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:33 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)="ff4edbb6dcf8492f5364f6fe5b3ead4bc7584628b7dc4834c0bc45c5c912cf834111857f875f0603876656c09d7e2c54fba4a130f212efb84f26706515422634eaad8c6351ea66c0a8d30b6308dcc7dab111b226678c") 2018/04/21 01:56:33 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 5: openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0xa58, 0x40) 2018/04/21 01:56:33 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) socketpair$inet6(0xa, 0xa, 0x2, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup(0xffffffffffffff9c, &(0x7f00000001c0)='syz0\x00', 0x200002, 0x0) sendfile(r0, r1, &(0x7f0000000200), 0x2) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) clock_getres(0x5, &(0x7f0000000340)) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000240)='/dev/pktcdvd/control\x00', 0x0, 0x0) ioctl$EVIOCGBITSND(r2, 0x80404532, &(0x7f0000000280)=""/157) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x581281, 0x0) bind$llc(r3, &(0x7f0000000140)={0x1a, 0x33b, 0xb8, 0xffffffffffffe1c4, 0x0, 0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xb}}, 0x10) 2018/04/21 01:56:33 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x80, 0x2003) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) r1 = syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x0) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) getsockopt$inet_tcp_buf(r1, 0x6, 0x0, &(0x7f0000000080)=""/70, &(0x7f0000000240)=0x46) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f00000001c0)={0x3, [0x0, 0x6, 0x401]}, &(0x7f0000000200)=0xa) write$eventfd(r1, &(0x7f0000000180)=0x101, 0x8) 2018/04/21 01:56:33 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 673.203585] blk_update_request: I/O error, dev loop0, sector 0 [ 673.209606] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:33 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:33 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:33 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000140)='/dev/keychord\x00', 0x10000, 0x0) openat$cgroup_ro(r0, &(0x7f0000000080)='pids.events\x00', 0x0, 0x0) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000000)=0x7, 0x4) 2018/04/21 01:56:34 executing program 7: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000880)='/selinux/status\x00', 0x0, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000980)=""/9) write$selinux_user(r0, &(0x7f00000008c0)={'system_u:object_r:device_t:s0', 0x20, 'root\x00'}, 0x23) recvmsg(0xffffffffffffff9c, &(0x7f0000000640)={&(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @dev}}}}, 0x80, &(0x7f0000000580)=[{&(0x7f0000000080)=""/177, 0xb1}, {&(0x7f0000000140)=""/165, 0xa5}, {&(0x7f0000000240)=""/235, 0xeb}, {&(0x7f0000000340)=""/5, 0x5}, {&(0x7f0000000380)=""/244, 0xf4}, {&(0x7f0000000480)=""/125, 0x7d}, {&(0x7f0000000500)=""/127, 0x7f}], 0x7, &(0x7f00000005c0)=""/93, 0xfffffffffffffe75, 0x6}, 0x2020) getsockopt$inet_dccp_int(r0, 0x21, 0x4, &(0x7f0000000900), &(0x7f0000000940)=0x4) getsockopt$inet_dccp_buf(r1, 0x21, 0x8f, &(0x7f0000000680), &(0x7f00000006c0)) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000840)='/selinux/mls\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000700)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r1, &(0x7f0000000800)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x58901002}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x78, r2, 0x200, 0x70bd2b, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffffffffffffff7}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x8}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, [@IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x7}}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0x1c}}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x4008090}, 0x40000) 2018/04/21 01:56:34 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) prctl$setname(0xf, &(0x7f0000000340)='gfs2\x00') mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:34 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 7: readlink(&(0x7f0000000000)='./file0\x00', &(0x7f0000000200)=""/240, 0xf0) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file2\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000000040)='./file0/file2\x00', &(0x7f00000000c0)='./file0/file1\x00', &(0x7f0000000100)='ntfs\x00', 0x1000000, &(0x7f0000000300)="4e0c1bdbd9ac3a3fa1b322a626d350d73f4da69424fde1cdc5cef2af965da1946c0d1640fe7c2d5844ef8193fb918a27fa2a876183f154e7a7fcc727cbf52e38355df6d9b758e98eae402e0a86edf67e9b1c1c7c") 2018/04/21 01:56:34 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:34 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 674.734903] blk_update_request: I/O error, dev loop0, sector 0 [ 674.740964] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:35 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000040)='./file0\x00', 0x7, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="6497037e451ea2d379528704da85fc2f62845253c86e349d1aa8aac1d26a17310fb7a03515075feebec975e2cf15aa5d203620c4191f0e637b0916fdd6cddff28775d33bf0337653fa456155b2a91090f0fca67608fc8cc14afd2dedc0bd54cfba239065687360da5c1c33c435dac0dc293fa5269cd8f51372151e", 0x7b, 0x2}], 0x1002000, &(0x7f0000000240)={[{@noload='noload', 0x2c}, {@jqfmt_vfsv1='jqfmt=vfsv1', 0x2c}, {@resuid={'resuid', 0x3d, [0x2d, 0x35, 0x3d]}, 0x2c}, {@journal_dev={'journal_dev', 0x3d, [0x38, 0x31, 0x33, 0x39, 0x33, 0x37]}, 0x2c}, {@debug='debug', 0x2c}, {@test_dummy_encryption='test_dummy_encryption', 0x2c}, {@resuid={'resuid', 0x3d, [0x33, 0x7f, 0x37, 0x78, 0x39, 0x39, 0x3d]}, 0x2c}]}) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:35 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x6, 0x82) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x800, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000100)={0x0, 0xd64b, 0x2, 0x6, 0x1, 0xde}, &(0x7f0000000140)=0x14) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180)={r1, 0x95f, 0xffff}, 0x8) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000040)=0x6, 0x4) 2018/04/21 01:56:35 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x0, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000000100)='./file0\x00', 0x2) 2018/04/21 01:56:35 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = dup2(r0, r0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r1, 0x111, 0x4, 0x1, 0x4) flistxattr(r1, &(0x7f0000000000)=""/165, 0xa5) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000240)=0x7c50, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@broadcast, @in6=@dev}}, {{@in=@broadcast}, 0x0, @in=@remote}}, &(0x7f00000001c0)=0xe8) 2018/04/21 01:56:35 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x0, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:35 executing program 7: r0 = syz_open_dev$sndseq(&(0x7f0000000800)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r0, 0xc0bc5351, &(0x7f0000000240)={0x92, 0x0, 'client1\x00', 0x0, '@\x00', "d20c7a7655095afde0c10878ccd9493267e8e56a382422f77841becbc5581703"}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x6000, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f0000000380)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB="5c010000", @ANYRES16=r2, @ANYBLOB="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"], 0x15c}, 0x1, 0x0, 0x0, 0x20040000}, 0x40000) clock_gettime(0x0, &(0x7f00000003c0)={0x0, 0x0}) timerfd_settime(r1, 0x1, &(0x7f0000000400)={{r3, r4+30000000}, {0x0, 0x989680}}, &(0x7f0000000480)) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:36 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x0, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 675.866199] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:36 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 1: mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x2) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') r0 = socket$inet(0x2, 0x802, 0x300000000) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000140)=0x40, 0x4) mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x101000, 0x0) umount2(&(0x7f0000d5bfff)='.', 0x2) getsockopt$EBT_SO_GET_INFO(r0, 0x0, 0x80, &(0x7f0000000200)={'broute\x00'}, &(0x7f0000000180)=0x50) 2018/04/21 01:56:36 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x20000, 0x0) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000ffe000/0x2000)=nil, 0x2000}) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:36 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x20, 0x82) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000001580)='/dev/hwrng\x00', 0x200900, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001500)={&(0x7f0000000080)=@hci={0x0, 0x0}, 0x80, &(0x7f0000001440)=[{&(0x7f0000000100)=""/120, 0x78}, {&(0x7f0000000180)=""/48, 0x30}, {&(0x7f00000001c0)=""/4096, 0x1000}, {&(0x7f00000011c0)=""/37, 0x25}, {&(0x7f0000001200)=""/162, 0xa2}, {&(0x7f00000012c0)=""/55, 0x37}, {&(0x7f0000001300)=""/71, 0x47}, {&(0x7f0000001380)=""/186, 0xba}], 0x8, &(0x7f0000001480)=""/91, 0x5b, 0x8eb9}, 0x10000) setsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000001540)={@dev={0xfe, 0x80, [], 0xa}, r1}, 0x14) 2018/04/21 01:56:36 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = accept4$inet6(0xffffffffffffff9c, 0x0, &(0x7f0000000000), 0x80000) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000140)={0x0, @in6={{0xa, 0x4e21, 0x40, @mcast2={0xff, 0x2, [], 0x1}, 0xf02e}}, 0x4a35, 0x7ff, 0x80000001, 0x7fff, 0x8}, &(0x7f0000000240)=0x98) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000280)={r1, 0x800, 0x1}, 0x8) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000040)={0x3, [0x4, 0x3, 0x2f524c56]}, &(0x7f00000000c0)=0x269) r2 = socket(0x15, 0x0, 0x9f) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f00000002c0)=ANY=[@ANYRES32=r1, @ANYBLOB="43000000463ad3c8af9d595dfaa7fed02dff04122af5f00feaa9c3493d055c6e92a2e1e03731192da2382fa2bd21f383340f5047db342b00a041c9fe740ab5a7ab1d77839c8572"], &(0x7f0000000080)=0x4b) [ 676.246429] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:36 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:36 executing program 1: mkdir(&(0x7f0000000140)='./file0\x00', 0x30) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:36 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:37 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 676.576203] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:37 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 676.778953] blk_update_request: I/O error, dev loop0, sector 0 [ 676.785015] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 677.073343] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:37 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) socketpair$inet(0x2, 0x2, 0xfffffffffffffff7, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='veno\x00', 0x5) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='rdma.current\x00', 0x0, 0x0) setsockopt$l2tp_PPPOL2TP_SO_REORDERTO(r1, 0x111, 0x5, 0x9, 0x254) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) mlockall(0x1) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x4e22, 0x7, @loopback={0x0, 0x1}, 0xff}], 0x1c) 2018/04/21 01:56:37 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000000)=0x0) ptrace(0x10, r0) 2018/04/21 01:56:37 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:37 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x0, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) epoll_create1(0x80000) eventfd(0x800) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='net/softnet_stat\x00') ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000140)=""/4096) sendto$inet(r0, &(0x7f0000001140)="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", 0x1000, 0x0, &(0x7f0000002140)={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:37 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:37 executing program 5: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x8000, 0x0) fstat(0xffffffffffffff9c, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) r2 = socket$packet(0x11, 0x3, 0x300) accept4(r2, &(0x7f00000000c0)=@pppoe={0x0, 0x0, {0x0, @broadcast}}, &(0x7f0000000140)=0x80, 0x0) setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x4e24, 0x7, 0x4e23, 0x0, 0xa, 0x20, 0xfabec76430fb69bd, 0xff, 0x0, r1}, {0x1, 0x2f, 0x4, 0x9d2, 0x0, 0x800, 0x81, 0x8}, {0x2, 0x4, 0x7fffffff, 0x7}, 0x6, 0x6e6bb5, 0x0, 0x0, 0x3}, {{@in6=@loopback={0x0, 0x1}, 0x4d3, 0x6c}, 0x2, @in=@broadcast=0xffffffff, 0x0, 0x0, 0x3, 0x8, 0x20, 0x3ff, 0x80}}, 0xe8) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) 2018/04/21 01:56:37 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x0, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:37 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 677.754431] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:38 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x8, 0x4000000084) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x290880, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000040)=[@in={0x2, 0x4e22, @rand_addr=0xf317}, @in={0x2, 0x4e22, @multicast2=0xe0000002}, @in6={0xa, 0x4e20, 0xfffffffeffffffff, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0xa86}, @in={0x2, 0x4e22, @rand_addr=0x5}, @in={0x2, 0x4e24, @multicast2=0xe0000002}, @in6={0xa, 0x4e24, 0x20, @loopback={0x0, 0x1}, 0xf3}, @in={0x2, 0x4e24, @broadcast=0xffffffff}], 0x88) 2018/04/21 01:56:38 executing program 6: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) 2018/04/21 01:56:38 executing program 7: r0 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000200)="29f98db5621f7e04ad3fe442ca2638fb589f59423c72c5defa58bfc9949401f9619d1e2568f68bde519ee42622e84be34b6837f1f0fcf26d5034da640172dcf16a84477cb6fd1a7c2eccb3cb55792c246280cf87117e1f82535d71289491cc4b0d70f7a836a994a5b592db527aa0b3716ded611f142c1036c212d501ef9526ef392ae865194390bf9fba91577784742de51c95fcba6de97ea8321c218f8a5b065eba619a9978e0777945fcb2bfbf3f12136968a9a229b1e3ba19f555d372804bb1ced32b008c8ad89200b9e0d31dae6aab900fa8a7344c8afa3e79c40f9e86a4790b0cd9961a9a736244290d8d", 0xed, 0xfffffffffffffffe) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) shutdown(r1, 0x1) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) ioctl$KDGKBSENT(r2, 0x4b48, &(0x7f00000001c0)={0xdfc, 0x7fffffff, 0x80000001}) keyctl$assume_authority(0x10, r0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000100)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f0000000400)='hostfs\x00', 0x0, &(0x7f0000000300)="1691c823abe19dd462e6a18fa1f85fbad94da1660fd970d9eba183fe97acbbbd932e13270eb85468a66be0f8d481da817c74b5140ec9ae87c59883ddc23857f0241dd451df7458def1c6079e2e5ff12780ba26e91d9d93a2fb1f226d14cd46a6796f7ab55ba707fca032ac14641fcaa3af92bf290057a66a98b641b31e6b5be06d1b12a132bf7b43698de11013629b369af64a4fbb6ee6cb08f9daee165b826fd625fa842a5894c87a9fba2419d623329d27d0201c40b7f8908eb030b76024c7741e29afceccf5") 2018/04/21 01:56:38 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x0, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x20000, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/checkreqprot\x00', 0x200000, 0x0) r1 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000140)={0x10}) mount(&(0x7f0000037000)='./file1\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f0000000380)='ramfs\x00', 0x100000, &(0x7f00000003c0)) chdir(&(0x7f0000000080)='./file0\x00') setsockopt$inet_sctp6_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000180)={0x2, 0xa3, 0x7, 0xfb}, 0x8) mount(&(0x7f0000e87ff8)='./file1\x00', &(0x7f0000000400)='./file0\x00', &(0x7f00000003c0)='pstore\x00', 0x800001000, 0x0) getsockname(r0, &(0x7f00000001c0)=@ax25, &(0x7f0000000240)=0x80) clock_gettime(0x0, &(0x7f00000002c0)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000300)={0x0, 0x0}) accept4$inet(r0, &(0x7f0000000440)={0x0, 0x0, @rand_addr}, &(0x7f0000000480)=0x10, 0x800) utimensat(r0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000340)={{r2, r3/1000+30000}, {r4, r5/1000+30000}}, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:38 executing program 6: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) [ 678.175852] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:38 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 5: r0 = open(&(0x7f0000000040)='./file0\x00', 0x20000, 0x73) connect$netrom(r0, &(0x7f0000000080)=@full={{0x3, {"e6f551b316626f"}, 0x8}, [{"311142029ad34f"}, {"86dfd133a9e944"}, {"6707071f517299"}, {"c9a7fdece3e8a4"}, {"3ade88a3e99c11"}, {"26ca1754e3e0b7"}, {"95eea6a49445fb"}, {"0de0f0f56eb084"}]}, 0x48) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0xffffffbfffffffff, 0x100) 2018/04/21 01:56:38 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:38 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000240)={0x0, 0x1c, &(0x7f0000000200)=[@in6={0xa, 0x4e20, 0x9, @mcast1={0xff, 0x1, [], 0x1}, 0x7fffffff}]}, &(0x7f0000000280)=0xc) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000380)=0xe5, 0x4) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000300)={r1, 0x2c, &(0x7f00000002c0)=[@in={0x2, 0x4e22, @rand_addr=0x5}, @in6={0xa, 0x4e22, 0x133, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x3}]}, &(0x7f0000000340)=0xc) socketpair(0x0, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r2, 0xc0605345, &(0x7f00000000c0)={0x4, 0x1, {0xffffffffffffffff, 0x0, 0x4, 0x1}}) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 678.415661] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:38 executing program 6: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) 2018/04/21 01:56:38 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:56:39 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x2, 0x7f) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x400, 0x0) setsockopt$ax25_int(r0, 0x101, 0xd, &(0x7f00000000c0)=0xffffffff, 0x4) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000080)=0x8, 0x4) setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000040)={0x7, 0x4, 0x1, 0x6, 0x87, 0xdf, 0x7}, 0xc) [ 678.662363] blk_update_request: I/O error, dev loop0, sector 0 [ 678.668395] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:39 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x0, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x200, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000040)) 2018/04/21 01:56:39 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:56:39 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) syz_mount_image$f2fs(&(0x7f0000000100)='f2fs\x00', &(0x7f0000000140)='./file0\x00', 0x101, 0x8, &(0x7f0000002440)=[{&(0x7f0000000180)="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0x1000, 0x5}, {&(0x7f0000001180)="85792a327dd19fa8d3a605bb63eb5a921e2a4dd141f9782901807abe15", 0x1d, 0xe321}, {&(0x7f00000011c0)="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", 0x1000, 0x2}, {&(0x7f00000021c0)="f739cd947d3906f9c00d0304d95b208ebdd5938a02a190615e72c0515f3b8651b06cd9ff318b242975b6c1d151a28b381ad9f211e19af85ec331c62717302a5815b19c6ca61f7e49cde4374a99f055adfff8fa87b2df50b80b0a11df695f98ef4c500a091196c7cf79987382d8e9e1948c8c48f99773cd908a6494", 0x7b, 0x7314}, {&(0x7f0000002240)="5dda7d25192e731dc12507beb1b9eecc0f914e6839d3e65455fb524388fa7e911bfc8c7a9ef3041c410655626beccb59133f8811f52fc167446711a0a6c28cbb7b25c4b9f6cdb125b36fd5f3924537a2b8a28099e80241febee789c37775d72bb247a99f72225a1a3df1dadfb759fe90386ac7bcb4d0cd7f74a2edb8b34b96b9cdf56c0880af741f2b5058d76367de95f50b2ec9eda7b4b906b052a6f579", 0x9e, 0x3}, {&(0x7f0000002300)="2cc46d6e7d99b2d4f0fee9ed215fdbc07d219abd4c6703a6b4817297516c96dec0d0e9fbb956427b570b3eef33dc777b7fa254310f0bd4b9faeb27ac0693842818", 0x41, 0x100}, {&(0x7f0000002380)="f07ab3658cad534c32", 0x9, 0x6}, {&(0x7f00000023c0)="6f3d2f8b9d58130fc36b598cba8f7646e0800403b4e623f1d5d96e97806eabda3207a9936ae49514a773288d96baa369c5c3d3a76c303e284afacb35d0ac9d150b147de0caa0e159d5a29a92d71d076992e2bfa994145ea4", 0x58, 0x2ff0}], 0x80, &(0x7f00000024c0)={[{@disable_ext_identify='disable_ext_identify', 0x2c}]}) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:39 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = open(&(0x7f0000000000)='./file0/file1\x00', 0x200, 0x15) ioctl$PPPOEIOCDFWD(r0, 0xb101, 0x0) 2018/04/21 01:56:39 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x0, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:56:39 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:39 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$llc_int(r1, 0x10c, 0x3, &(0x7f0000000140), &(0x7f0000000180)=0x4) getsockname$netrom(r0, &(0x7f00000000c0)=@full, &(0x7f0000000000)=0x48) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/04/21 01:56:40 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000040)="71648987f42b9eba379b9fc105585a242df0") 2018/04/21 01:56:40 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:40 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x0, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 5: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x400000, 0x0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000080)={0x9, [0x5, 0x7, 0x2, 0x1, 0xd291, 0x47, 0x8, 0x3c, 0x1]}, 0x16) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000040)) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) 2018/04/21 01:56:40 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/commit_pending_bools\x00', 0x1, 0x0) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:40 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x0, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:40 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82999572472f203e) 2018/04/21 01:56:40 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:40 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) fstat(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in=@local, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@dev}}, &(0x7f00000000c0)=0xe8) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000680)='/proc/self/net/pfkey\x00', 0x101000, 0x0) setns(r3, 0x40000000) setresuid(r0, r2, r0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000600)='/dev/ppp\x00', 0x4000, 0x0) r4 = memfd_create(&(0x7f0000000100)='(.user!)\x00', 0x0) futex(&(0x7f00000006c0)=0x2, 0x4, 0x2, &(0x7f0000000700)={0x77359400}, &(0x7f0000000740)=0x2, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x3000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000780)=ANY=[@ANYBLOB="640100002100000029bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000bb4e20fffd4e200003000080a037000000", @ANYRES32=r1, @ANYRES32=r2, @ANYBLOB="bf6b6e000008000c000400070014ed0d00000000000000e4000600ac141401000000000000000000000000000000000000000000000000000000014e220d954e2300080200202016000000000000031ffc4f", @ANYRES32=r1, @ANYRES32=r0, @ANYBLOB="fe8000000000000000000000000019000004d43c0000007f00000100edffffff00000000dac2a5920f6ce63e00000007100000000000000800000000000000040000000000000005000000200000000300000000000000080000000000000000000000ff030000000000004000000000000000009000000000000001000000000000000a000000fc020000040000002cbd7000033500000a000109010000000000000014000e0000000000000000000000ffffe000000200000000"], 0x164}, 0x1, 0x0, 0x0, 0xc000}, 0x8000) 2018/04/21 01:56:40 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) [ 680.303147] blk_update_request: 3 callbacks suppressed [ 680.303154] blk_update_request: I/O error, dev loop0, sector 0 [ 680.456247] blk_update_request: I/O error, dev loop0, sector 0 [ 680.462347] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:41 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:41 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:41 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cgroup.events\x00', 0x0, 0x0) ioctl$GIO_FONTX(r0, 0x4b6b, &(0x7f0000000040)=""/1) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r0, 0xc08c5336, &(0x7f0000000080)={0x401, 0x85, 0x0, 'queue0\x00', 0x3}) 2018/04/21 01:56:41 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:41 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:56:41 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:41 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_qlen_max\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000240)={0x0, @in={{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1, 0x0, 0x0, 0x10000}, &(0x7f0000000300)=0x98) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000340)={r1, 0x55, "344914bb956fac525aab1118af7769eed5711fdee277d94ac665df51146091eadf13a1a65a5f2c167d6ecac5baf18b8b301784f64df19d3037e24d3afcb826ee8f927667d21ec4474534e2de8a973d76347973da1a"}, &(0x7f00000003c0)=0x5d) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x7, 0x3ff, 0xb050}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r2, 0x8, 0x4}, &(0x7f0000000200)=0x8) 2018/04/21 01:56:41 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x200) ioctl$EVIOCSKEYCODE(r0, 0x40084504, &(0x7f0000000140)=[0x0, 0x1]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in6={{0xa, 0x4e22, 0x6, @dev={0xfe, 0x80, [], 0x14}, 0x5}}, [0x8, 0x4, 0x4, 0x1, 0x5, 0x97d, 0x23, 0xfffffffffffffff8, 0x3, 0x32, 0x6, 0x101, 0x81, 0x9, 0xfa]}, &(0x7f0000000280)=0x100) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f00000002c0)=r1, 0x4) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:41 executing program 4: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) fstat(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in=@local, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@dev}}, &(0x7f00000000c0)=0xe8) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000680)='/proc/self/net/pfkey\x00', 0x101000, 0x0) setns(r3, 0x40000000) setresuid(r0, r2, r0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000600)='/dev/ppp\x00', 0x4000, 0x0) r4 = memfd_create(&(0x7f0000000100)='(.user!)\x00', 0x0) futex(&(0x7f00000006c0)=0x2, 0x4, 0x2, &(0x7f0000000700)={0x77359400}, &(0x7f0000000740)=0x2, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x3000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000780)=ANY=[@ANYBLOB="640100002100000029bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000bb4e20fffd4e200003000080a037000000", @ANYRES32=r1, @ANYRES32=r2, @ANYBLOB="bf6b6e000008000c000400070014ed0d00000000000000e4000600ac141401000000000000000000000000000000000000000000000000000000014e220d954e2300080200202016000000000000031ffc4f", @ANYRES32=r1, @ANYRES32=r0, @ANYBLOB="fe8000000000000000000000000019000004d43c0000007f00000100edffffff00000000dac2a5920f6ce63e00000007100000000000000800000000000000040000000000000005000000200000000300000000000000080000000000000000000000ff030000000000004000000000000000009000000000000001000000000000000a000000fc020000040000002cbd7000033500000a000109010000000000000014000e0000000000000000000000ffffe000000200000000"], 0x164}, 0x1, 0x0, 0x0, 0xc000}, 0x8000) [ 680.882551] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:41 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:41 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:41 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) dup2(r0, r0) 2018/04/21 01:56:41 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 680.932777] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:41 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:41 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x2, 0x8000) r1 = socket$inet6_sctp(0xa, 0x0, 0x84) r2 = dup2(r0, r1) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x20, 0x70bd25, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x604}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) 2018/04/21 01:56:41 executing program 4: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/commit_pending_bools\x00', 0x1, 0x0) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:41 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:56:41 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:42 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) socketpair(0xf, 0xb, 0x3b, &(0x7f0000000000)={0xffffffffffffffff}) syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x40000) fchdir(r0) ioctl$sock_SIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f00000000c0)) 2018/04/21 01:56:42 executing program 2: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) prctl$setname(0xf, &(0x7f0000000340)='gfs2\x00') mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:42 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:42 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = timerfd_create(0x7, 0x800) write$binfmt_elf64(r0, &(0x7f0000000480)={{0x7f, 0x45, 0x4c, 0x46, 0x4, 0x12, 0x8, 0x5, 0x9, 0x2, 0x6, 0x3c, 0x379, 0x40, 0x1dc, 0x80000000, 0x3, 0x38, 0x2, 0x0, 0x400, 0x100000001}, [{0x70000007, 0x5, 0x748e, 0x5, 0x8, 0x9, 0x8000, 0x5}, {0x60000007, 0x4, 0x68, 0x8, 0x4, 0x8, 0x7, 0x7ff}], "fafadf5f7fb37326e5b46cc8b507299809dac5f3bd3d45622880eabebc29b24cf7b6e46f89c65936a67a1e5382533d2455bbae8bb25d80f1d09aef4864", [[], [], [], []]}, 0x4ed) mknod(&(0x7f0000000080)='./file1\x00', 0x0, 0x4) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:42 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f00000001c0), 0x2, &(0x7f0000000280)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000000180)='./file0/file0\x00', &(0x7f0000000240)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000100)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_GET_MAGIC(r0, 0x80046402, &(0x7f0000000140)=0x7fff) 2018/04/21 01:56:42 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:42 executing program 4: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) epoll_create1(0x80000) eventfd(0x800) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='net/softnet_stat\x00') ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000140)=""/4096) sendto$inet(r0, &(0x7f0000001140)="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", 0x1000, 0x0, &(0x7f0000002140)={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 682.143317] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:42 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) getsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000000), 0x2) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$LOOP_CLR_FD(r1, 0x4c01) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r2, 0x29, 0x1a, &(0x7f000004c000)=0x23, 0x4) bind$inet6(r2, &(0x7f0000f13000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}}, 0x1c) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:42 executing program 5: syz_open_dev$random(&(0x7f0000000100)='/dev/random\x00', 0x0, 0x300) timerfd_create(0x2, 0x80800) socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x10000, 0x10000) r0 = openat$cgroup_type(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.type\x00', 0x2, 0x0) r1 = dup(r0) getsockname$netrom(r1, &(0x7f0000000080), &(0x7f00000000c0)=0x10) syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0xf22713d4ac1e30a7) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 2018/04/21 01:56:42 executing program 7: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mknod(&(0x7f0000000000)='./file0/file0\x00', 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0xc) process_vm_readv(r0, &(0x7f0000000100)=[{&(0x7f0000000200)=""/145, 0x91}, {&(0x7f00000002c0)=""/82, 0x52}], 0x2, &(0x7f0000000540)=[{&(0x7f0000000340)=""/185, 0xb9}, {&(0x7f0000000400)=""/154, 0x9a}, {&(0x7f00000004c0)=""/103, 0x67}], 0x3, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 682.303110] blk_update_request: I/O error, dev loop0, sector 0 [ 682.309127] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:42 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 682.487568] blk_update_request: I/O error, dev loop0, sector 0 [ 682.493610] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:43 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x7ff, 0x801) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x400) fsync(0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) write$binfmt_aout(r1, &(0x7f00000000c0)={{0x0, 0xfe, 0x0, 0x256, 0x2c, 0x1000, 0x181, 0x7}, "99d30037959360d91bc39b3984c8357e7b70f541f1b2c881768e682b4ab1cb10760660ff1d73c1071c900d05537137429b6d15d2d4ea62e1edca768d5148cd033e703a7990617b21c38921b22fd44a55c50288598114fa4e9f6926c9e99817408cfa17d1e632ebc94afafd5a3f01c4f793398bb490c4c83f6d1f7d2ab9b2bb4c442816b17457a457924d51f610fadc5fed61b8f7c6f6e758ac5e95225d90d0d04525160aa9b08e497e1c41214361929f07bce60ef041adbb2a4b4de6678e5425d2cbbdb301f071241fae63f6f71b93092ae9f3538c68b1bac3797bf25d", [[], [], [], [], [], [], []]}, 0x7fd) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) openat$cgroup(r1, &(0x7f0000000040)='syz0\x00', 0x200002, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:43 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000000)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODESET_CTL(r0, 0x40086408, &(0x7f0000000040)={0x7f, 0x5}) 2018/04/21 01:56:43 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0x0, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:43 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f0000000180)='minix\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) [ 682.749633] blk_update_request: I/O error, dev loop0, sector 0 [ 682.863154] blk_update_request: I/O error, dev loop0, sector 0 [ 682.869177] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:43 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x8000) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:43 executing program 5: syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x4, 0x4000000000000080) 2018/04/21 01:56:43 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) pwritev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:43 executing program 2: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mknod(&(0x7f0000000000)='./file0/file0\x00', 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0xc) process_vm_readv(r0, &(0x7f0000000100)=[{&(0x7f0000000200)=""/145, 0x91}, {&(0x7f00000002c0)=""/82, 0x52}], 0x2, &(0x7f0000000540)=[{&(0x7f0000000340)=""/185, 0xb9}, {&(0x7f0000000400)=""/154, 0x9a}, {&(0x7f00000004c0)=""/103, 0x67}], 0x3, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:43 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) r2 = geteuid() ioprio_set$uid(0x3, r2, 0x9) poll(&(0x7f0000000040)=[{r0, 0x1000}, {r1, 0x441c}, {r1, 0x600}, {r0, 0x20}, {r1, 0x40}], 0x5, 0x6) ioctl$sock_netrom_SIOCGSTAMP(r1, 0x8906, &(0x7f0000000000)) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:43 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) rt_sigtimedwait(&(0x7f0000000100)={0x100000000}, &(0x7f0000000140), &(0x7f00000001c0)={r0, r1+10000000}, 0x8) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:43 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x852, 0x40) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000000040)={0x5}, 0x4) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f00000000c0)={0x0, 0x7}, &(0x7f0000000100)=0x8) munlockall() setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000200)={r1, @in6={{0xa, 0x4e21, 0xff, @dev={0xfe, 0x80, [], 0x1c}, 0x9}}, 0x6, 0x96cb, 0x7, 0x200, 0x2}, 0x98) 2018/04/21 01:56:43 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0x0, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) pwritev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:44 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000040)={0x9, {{0xa, 0x4, 0x8, @remote={0xfe, 0x80, [], 0xbb}, 0x89}}, 0x1, 0x1, [{{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff]}, 0x8}}]}, 0x10c) fcntl$F_GET_FILE_RW_HINT(r0, 0x40d, &(0x7f0000000240)) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_SET_DIRECT_IO(r1, 0x4c08, 0x3) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0xc0505350, &(0x7f0000000180)={{0x3, 0xff}, {0x3ff, 0x200}, 0x1, 0x5, 0x756}) [ 683.623028] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:44 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:44 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fsync(0xffffffffffffffff) syz_mount_image$xfs(&(0x7f0000000000)='xfs\x00', &(0x7f0000000040)='./file0\x00', 0x200, 0x5, &(0x7f0000000400)=[{&(0x7f00000000c0), 0x0, 0x1}, {&(0x7f0000000100)="15296fb8dfc772f572a2e3209b4410acc076859b4faad8ca04273033d9e056fd2fefe9f730f55b46ef39768bea80ffa541d3993b1a8c", 0x36, 0x8}, {&(0x7f0000000140)="5c69c23fa559d557becd1664853e56edcbf20d7dbffd8f074d41e0b4b97bb693f0c738ba0acf8b5605889bbb8bd794e8ab48bea27b439702e2effd4d0ca71b4e82c871206bb2f878333bcb6c65f94ab9edc79ea1e27dce71cb368fd6fb6e1e146da180e487d0418393858417a37bccd851fe6bf9450cdb50a9e9ba0cdced6e17f18df0f6053e9d96427b97b796e364f35495a8a2e236c6394516b25e747b9b", 0x9f, 0xab7}, {&(0x7f0000000240)="6647a71e9d71752ee61bd29ca023c2e11abf638781498856378deac07d48bdc94a94777a42a8acb44dc9427a4d1fd31f4629468f3793e544b33b4bcc92ce66c6490ad42418eb8fbf87ffb221bae3f0d96854150aaae531911ef3aae998945f01ecd550f190d46ecbe68e9e77ebf6a2ba9f14c4673e861b989d55a54bfca6fda3afa0a0ea7f2e50d72c167d61ab42e03bacaff2fa9800bc", 0x97, 0xfff}, {&(0x7f0000000300)="98d070f106921c87937f836ef1133bfa81319185df1a3cffab8637d86c0a2c870b72dd83729639d5fc59be2c4547935e100ee75bfeb79ef837fe207a77fbb38ef131335a29a3623bb90ea20361fdcba857ea217764b79e051b1cef172753e13ff4ad8b041a2916b1fbd36249947763f99c2eb37396992ef6705b6f2565e790508ad99d7b9ec6c4f0c1812c0acfdcff91eac0990592f69de501d0f495a75a54792087aa9f67eb24b9c547857b6034646c6f01482a1cdf93155e4cfb89246f445958aaa384688205405e8d7db9fbe16cf89bcc0982d741b45167c93bc4b3a15aaf8282120a360921a7b7dcad0266c282424d4d886aa511b0", 0xf7, 0xfffffffffffffff8}], 0x100000, &(0x7f0000000440)={'nouuid,', {[{@usrquota='usrquota', 0x2c}]}}) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r0, 0x7fe) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:44 executing program 4: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x40900, 0x0) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000140)=@req3={0x80000000, 0x7, 0x5622, 0x3ff, 0xfd, 0x8000, 0x45bf}, 0x1c) getsockopt$inet_sctp6_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r2 = memfd_create(&(0x7f0000614000)='cpuset.\x00', 0x0) r3 = add_key(&(0x7f00000000c0)='id_legacy\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000240)="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", 0x1000, 0xfffffffffffffffd) keyctl$describe(0x6, r3, &(0x7f0000001240)=""/4096, 0x1000) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:56:44 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(r1, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$IP_VS_SO_GET_DESTS(r1, 0x0, 0x484, &(0x7f0000000000)=""/55, &(0x7f00000000c0)=0x37) 2018/04/21 01:56:45 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) pwritev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:56:45 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10, 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000000c0)=[@in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, @in6={0xa, 0x4e21, 0x3ff, @dev={0xfe, 0x80, [], 0x16}, 0x92d0}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x18}}, @in6={0xa, 0x4e20, 0x9, @mcast2={0xff, 0x2, [], 0x1}, 0x4}, @in6={0xa, 0x4e21, 0xeab, @mcast2={0xff, 0x2, [], 0x1}, 0x97a}], 0x74) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f0000000000)=0x3) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x4, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) fcntl$setstatus(r1, 0x4, 0x40800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x8000, 0x0) write$selinux_access(r0, &(0x7f0000000040)=ANY=[@ANYBLOB='system_u:object_r:mouse_dev/usr/sbin/cupsd 12\x00'], 0x37) 2018/04/21 01:56:45 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = memfd_create(&(0x7f0000000100)='}posix_acl_accesssecurity*\x00', 0x1) recvfrom$unix(r0, &(0x7f0000000140), 0x0, 0x40, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) 2018/04/21 01:56:45 executing program 0: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r0, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r0, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) 2018/04/21 01:56:45 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x400000) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000000080), 0xb3, 0x20000800, &(0x7f0000000040)={0x2, 0x4e23}, 0x10) sendmmsg(r0, &(0x7f00000025c0)=[{{&(0x7f0000000300)=@pppoe={0x18, 0x0, {0x0, @link_local={0x1, 0x80, 0xc2}, 'ip6tnl0\x00'}}, 0x80, &(0x7f0000000380)=[{&(0x7f00000010c0)="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", 0x499}], 0x1}}], 0x1, 0x0) ioperm(0x79, 0x80000000, 0x3) 2018/04/21 01:56:45 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) fstat(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = getgid() fchown(r0, r2, r3) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:45 executing program 7: getcwd(&(0x7f0000000000)=""/58, 0x3a) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x1, 0x0) syz_mount_image$ntfs(&(0x7f0000000040)='ntfs\x00', &(0x7f00000000c0)='./file1\x00', 0x1, 0x4, &(0x7f0000000380)=[{&(0x7f0000000100)="1e3505880025306b32caa6122a2cce6a95d5593b97ffcf9a798a8a658b5f665d535fcdec3aed65f0b67d5c", 0x2b, 0x3}, {&(0x7f0000000480)="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", 0x1000, 0xfff}, {&(0x7f0000000200)="e2ccbe0e48bccf4a06ad61bdecd34a3dce5eb1ebd6afb38c16ce8f169c774f48302c075318b91b34ed480d40166a62d9596a47eec6afe543db68c49cc332f6dbf68162477ea05f261f5220f98c121052c4d0f946573d04658c2619d305c110b9fed17833706264ad95ca0c06e6946b0a1fcfcef8", 0x74, 0x4}, {&(0x7f0000000280)="5457d6548ce58b913194c477f6862b292c74cff011eeb5e6a9e7f5ac934038de93f9d69308363e95ab5d358f4a47dc1cc40ccc17061be53fddd5283031f8949702f7b70c7d399c06cef3008da9486c583a49b84fdedb09938a113d70e96c347b46f88ef1c868027be1ee043153fbb0640bfb81d3acd7fdbc62800f0789316cb047c9752498f409ecec94af85a5e574ddeda4facc7a9869cc9bde2c3b09161efa1da54a0376ba34b047451679e8a1728dc63393834084a1867ecd48549ad02647b82e2cae433c6e2c6bc4f3a871b4bc93", 0xd0, 0x8}], 0x20, &(0x7f00000003c0)={[{@gid={'gid', 0x3d, [0x33, 0x3f, 0x2d, 0x30, 0x31, 0x0]}, 0x2c}, {@utf8='utf8', 0x2c}, {@disable_sparse_yes={'disable_sparse=yes', 0x3d, [0x31, 0x37, 0x7f, 0x32]}, 0x2c}, {@case_sensitive_yes={'case_sensitive=yes', 0x3d, [0x32, 0x35, 0x39, 0x33, 0x34, 0x35, 0x36]}, 0x2c}, {@nls={'nls', 0x3d, 'cp737'}, 0x2c}, {@disable_sparse_no={'disable_sparse=no', 0x3d, [0x30, 0x3f, 0x3d, 0x32, 0x3f, 0x36, 0x3f, 0x39, 0x0]}, 0x2c}]}) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:45 executing program 4: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) [ 685.032406] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:45 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) setsockopt$IPT_SO_SET_ADD_COUNTERS(r1, 0x0, 0x41, &(0x7f0000000000)={'filter\x00', 0x5, [{}, {}, {}, {}, {}]}, 0x78) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 685.569074] blk_update_request: 4 callbacks suppressed [ 685.569081] blk_update_request: I/O error, dev loop0, sector 0 [ 685.580404] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:46 executing program 0: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r0, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r0, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) 2018/04/21 01:56:46 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000740)='/dev/loop#\x00', 0xff, 0x40000) sendto$inet6(r0, &(0x7f0000000540)="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", 0xfd, 0xc080, &(0x7f0000000640)={0xa, 0x4e22, 0x5, @dev={0xfe, 0x80, [], 0x19}, 0x3}, 0x1c) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt(r1, 0x1, 0xff, &(0x7f0000000680)=""/51, &(0x7f00000006c0)=0x33) fsync(r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) vmsplice(r1, &(0x7f0000000340)=[{&(0x7f00000000c0)="43a6f353d0b746fb61f115b1ded79989a927546638d08d6a0baa51121050c7842cf4e8bc8802d3f5", 0x28}, {&(0x7f0000000100)="a4a3a0092edbb1cc3c647226a97a93d204638c80da85aa79d8b069d08dac8ad1806fbf3c81f8c60ef17f4dfe90a2b24ac7ad66d123d641efa518203d31400d0ad1699fa407085a729fbc8f2b1064b928a57819d4a5693d79484f44888c5b2c6e7004d6f2d36789f62ce7d8315138f60bb08183b573c5f14c1d8a44f1c5cd92edf1efbdb768bc717a2fa6afb70b3780e00191f69bacf720b31a961914d398da37a5f112a62a6a99d407f36f64c044281b47d9ddaee179755662a3a3aa77b195ed8c56e1e74ca3371f4a3c15913cb0f38b0bd8c7bcdd74aca47dfb", 0xda}, {&(0x7f0000000240)="8905052aa33c7bd9d51b1aaf74ccd63fd966a84e2ece77a7d6b2dccaca7a11b52981b6e8c0926cd01142232d7fd429ca4e84724df84eb99718123b3dfd232d336f1b6ab634fbcf8e5f946225af35c8f6d32e98ebd5f8d3d3f067935b5a9d24967cad4f65465db799f7583b29d760e6f72143618e922da8", 0x77}, {&(0x7f00000002c0)="4eaaed3de9224e1b49f65d2a4a69c0a5b051ef1486e110d52f21a4cf3177543d3659f45e984ed0257971", 0x2a}, {&(0x7f0000000300)="38ca9851c6e97a2059d94693d22b2f3f10bea3b2c6c37b7e928abad3934c0ebc351f385c8d03bb2d9c2ae8434d6cc3", 0x2f}], 0x5, 0x1) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000000000)={0x100000000, 0x0, 0x1}) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f00000004c0)={0x80, {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e20, @loopback=0x7f000001}, {0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x282, 0x310ea042, 0x876, 0x9, 0xffffffff, &(0x7f0000000380)='bcsf0\x00', 0x9, 0x100000000, 0xf7}) 2018/04/21 01:56:46 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$void(r1, 0xc0045c79) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 7: mkdir(&(0x7f0000000000)='./file0/file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:46 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = getuid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0xc) syz_fuse_mount(&(0x7f0000000100)='./file0/file0\x00', 0xe000, r0, r1, 0x81, 0x800001) 2018/04/21 01:56:46 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x37cf2534, 0x280) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) 2018/04/21 01:56:46 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000080)={0x0, @in6={{0xa, 0x4e24, 0x4, @mcast1={0xff, 0x1, [], 0x1}, 0x2}}, [0x0, 0x100, 0x0, 0x1, 0x1, 0x8001, 0x3, 0x3a, 0x1, 0xdd61, 0x9, 0x7, 0x81, 0x3ff, 0x9]}, &(0x7f0000000180)=0x100) ioctl$EVIOCGABS2F(r1, 0x8018456f, &(0x7f0000001340)=""/142) setsockopt$ARPT_SO_SET_ADD_COUNTERS(r1, 0x0, 0x61, &(0x7f0000001280)={'filter\x00', 0x4}, 0x68) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f00000001c0)={r2, 0x4, 0x1, 0x10001, 0x37, 0x7}, &(0x7f0000001240)=0x14) openat$rfkill(0xffffffffffffff9c, &(0x7f0000001300)='/dev/rfkill\x00', 0x10000, 0x0) sendto(r1, &(0x7f0000000240)="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", 0x1000, 0x800, &(0x7f0000000000)=@pppoe={0x18, 0x0, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1e}, 'veth1_to_team\x00'}}, 0x80) 2018/04/21 01:56:46 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 0: r0 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r0, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r0, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r0, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) 2018/04/21 01:56:46 executing program 7: r0 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) faccessat(r0, &(0x7f00000000c0)='./file0/file1\x00', 0x50, 0x1000) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) fremovexattr(r2, &(0x7f0000000040)=@known='system.posix_acl_access\x00') fcntl$setflags(r1, 0x2, 0x1) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:46 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) socket$inet6(0xa, 0x6, 0x1) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) setns(r0, 0x4000000) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x3, 0x7, @loopback={0x0, 0x1}, 0xffff}, @in6={0xa, 0x4e23, 0x1, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x4}, @in6={0xa, 0x4e21, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x4}, @in6={0xa, 0x4e20, 0xffffffffffffc19d, @remote={0xfe, 0x80, [], 0xbb}, 0x100000001}, @in={0x2, 0x4e23, @multicast2=0xe0000002}, @in6={0xa, 0x4e23, 0x0, @empty, 0x9}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in6={0xa, 0x4e23, 0x6, @dev={0xfe, 0x80, [], 0x15}, 0xf5}, @in6={0xa, 0xffffffffffffffac, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}], 0xe4) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:46 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x82) [ 686.448083] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:47 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) memfd_create(&(0x7f0000000000)='{\x00', 0x3) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) setsockopt$inet_buf(r1, 0x0, 0x10, &(0x7f00000000c0)="e82f6f2a41aede1455fb764b5b5cd9e415eae63cf096af75f48a1ad2ec83fae764138a0e3f027492b3c36014153dcc89f1b39f200d6bd86a10243d1d390dfd1e9706b341c7903c3f042a4a16a0c7", 0x4e) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) dup3(r1, r0, 0x80000) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000180)=0x10, 0x800) sendfile(r0, r1, &(0x7f00000001c0), 0xb2) umount2(&(0x7f0000000200)='./file0\x00', 0x6) 2018/04/21 01:56:47 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x121100) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000040)='/dev/keychord\x00', 0x80, 0x0) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000080)={0x0, 0xff}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000100)={r1, @in6={{0xa, 0x4e22, 0x9, @local={0xfe, 0x80, [], 0xaa}, 0x2}}, 0x1, 0x4}, 0x88) 2018/04/21 01:56:47 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000040)) r0 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x200, 0x82) shutdown(r0, 0x1) umount2(&(0x7f0000000000)='./file0\x00', 0x2) 2018/04/21 01:56:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="30086e750000000000000000008c00", 0x3) mprotect(&(0x7f00004dd000/0x1000)=nil, 0x1000, 0x40000000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000000)={0xee, 0x1, 0x8, 0x1f}, 0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000000000)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000040)={r2, 0x1}) ioctl$LOOP_CLR_FD(r0, 0x4c01) prctl$setmm(0x23, 0x0, &(0x7f0000ffb000/0x3000)=nil) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 687.329278] blk_update_request: I/O error, dev loop0, sector 0 [ 687.343025] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:47 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:47 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) getsockname$llc(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000000c0)=0x10) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000340), &(0x7f0000000380)=0x8) sendmsg$nl_generic(r1, &(0x7f0000000180)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000400}, 0xc, &(0x7f0000000140)={&(0x7f00000004c0)={0x128c, 0x2e, 0x600, 0x70bd29, 0x25dfdbfe, {0x3}, [@typed={0x8, 0x4d, @fd=r1}, @nested={0x106c, 0x5, [@generic="b48ea0eee7bf59", @typed={0x8, 0x7a, @fd=r1}, @generic="2cc63cb72b0653563791ac907806187dcd263e127c554a5c8eb1c6bc20e17117d5fb5f2e3ec107420ddcc3fcce12ffee594c76655fbd03e88a6a54bff9efc92032574a449be463b761443c4e2494cea3ee5133249b6cef", @generic="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"]}, @generic="795df8b53eb80a0acb590292c5fea6540e6d36d6aed6d9740c5a93eb27185ae6100dc5085521c68d86548e8e9b8ce8af42d46a5be41bebf5fd72a9380a4e", @nested={0xdc, 0x33, [@generic="6564e10a17545dbfea3f5020b9c879b7c5caec2f1d705a2ba75ef118dab4c421678ac6f115166fe90eb9a31cc3a3590601712f59ed11bbb931d85c935930439c1a45bcf5eed1696fcf386ac483c25c1e6e", @generic="28b486201247c58e5105f9f162ea52fa89bf63c87a14866b7412307f5c5f77afabb52471a6c3707d4f6ef8b818cbfb73fe4ae976610940617d821d4de947268267d99794385f441bf457e1821b3604c813bc07369e70d7cfa439dd3715404a30d159dbf01281ffafe709ce5de346276eca", @typed={0x14, 0x6d, @ipv6=@ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}]}, @typed={0xe8, 0x1, @binary="160be181bbe73c24967667c44ba0680b03129dfb99ca48397d5b5c4ed71f6d4bec38178ddcaea89b3bf4dfb6f8dea35a92d098da244d75585aad422c7044e323eb67bcbad66b6e50221f2ea146a72346cf44f9ab5ef68f9084244b0ad8c578a6ae820a33babec3f6aa399e3ea5502a1b2ec066a3112fd3d2615da6621244aec8283326f1f647861894c02e073d6382aa920fefc1649e622b5cb951f738b22fd2536768b62628e4c1f4bd8bdadc2cb1f672b057f9e54eb6d2f962cc0f3fb476783a9b3479019d6e9ad3d634c7687ed6527a8a033f00e2f2434824ff59866df46f80577ac3"}]}, 0x128c}, 0x1, 0x0, 0x0, 0x4000040}, 0x4040040) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000001c0)={0x0, 0x4}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000280)={r2, 0x1ff, 0x7b, "a7ce95e2ca6292a036196f6485d0eac6f622b6d5b8ff4a8ac8f15b590cab87cc560ca0517aaceac0c438a6ec57ce3e2e33baab2e08831ca07c9e760f137f16a1e67833597741f42eccfcb1d46bd1e15ba1caf9ec683f37ffd63721deb8d03f92ce005895b2bd61f6e6390a6d932447ae298330914c9cf783cb0d28"}, 0x83) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 687.375661] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:47 executing program 5: syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x82) 2018/04/21 01:56:48 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = pkey_alloc(0x0, 0x1) pkey_free(r0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:48 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x5, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0xd6e9, 0x0, 0x0, 0x12, 0x1d, 0x19, "f50e95138ba53ce7920f3cefbee446dbb22c86e1d234128359513041f071d6aa0e78766d1794a81a5daddf2abc279a262c2dc6e7adaff7395e4484ddc9988d63", "747db182b50a9d0569ea3e631e01b3132ccfbd4dbac7eeea8553d321dab6d080f4ddbd083a7b77ac29aea0eb591d153b4a3c54322b9582e507e67208a923ca2a", "00f684c61d6b9f847ebb98bdfe1294acf1caa2cddda5f5471a36d58af6dc35d6", [0x800, 0x7fffffff]}) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:48 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:48 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = creat(&(0x7f0000000100)='./file0/file0\x00', 0x100) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r1 = syz_genetlink_get_family_id$fou(&(0x7f00000003c0)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20200000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x40, r1, 0x608, 0x70bd2a, 0x25dfdbfd, {0x3}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x1}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e21}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3a}, @FOU_ATTR_TYPE={0x8, 0x4}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x11d4fa1a6f612cdf}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}]}, 0x40}, 0x1, 0x0, 0x0, 0x24000000}, 0x40000) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) mount(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='./file0/file1\x00', &(0x7f0000000280)='gfs2\x00', 0x2000000, &(0x7f00000002c0)="03105142e522412eb38d58ab87a5fe7f7725406d2c23fd9901fc2595dbaefee18a0195c3be9be563918b33a491c56493aed60dcddba072361180b89a2309e668b22894ef35f48bc51b1a18e786f89f8ea70dcae8ccd408b218a3b898e25f2195d12054df6896a8c94d5cab1c71d4ddf8f7c66faa2052f188e2e54054b90250b6b6e42b4092f50d295a02f3b37f36392d1c861b832303acf215a71b55421c2712a2f775087b1089") inotify_init1(0x80000) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000000200)='./file0/file0\x00', &(0x7f0000000240)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000000140)='./file0\x00', 0xfffffffffffffffc) sendmmsg(r0, &(0x7f00000004c0), 0x0, 0x800) 2018/04/21 01:56:48 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x401) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f000001c000), &(0x7f000005c000)=0x4) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x1) ioctl$int_out(r2, 0x1, &(0x7f000005bff8)) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 687.723120] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:48 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f00000000c0)='$\x00', 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:48 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = accept4$netrom(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x800) ioctl$sock_netrom_TIOCINQ(r0, 0x541b, &(0x7f0000000040)) [ 687.976743] blk_update_request: I/O error, dev loop0, sector 0 [ 688.060937] blk_update_request: I/O error, dev loop0, sector 0 [ 688.121603] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0), 0x0, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x80, 0x0) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000040)=@int=0x6, 0x4) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000000c0)=0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000100)=0x80000000) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:49 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x4, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fcntl$getownex(r1, 0x10, &(0x7f0000000000)={0x0, 0x0}) fcntl$lock(r1, 0x0, &(0x7f00000000c0)={0x3, 0x3, 0x7, 0x0, r2}) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fchmod(r1, 0x20) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$fiemap(r1, 0xc020660b, &(0x7f0000000100)={0x3, 0x8, 0x2, 0x9, 0x2, [{0x8, 0xfffffffffffffffc, 0xffffffffffff7fff, 0x0, 0x0, 0x1400}, {0x1, 0x6, 0x5, 0x0, 0x0, 0x4}]}) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) mprotect(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0) 2018/04/21 01:56:49 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) openat$selinux_access(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/access\x00', 0x2, 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x4, 0x5}) fcntl$setpipe(r0, 0x407, 0x4) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc\x00', 0x24000, 0x0) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000000140)={&(0x7f00009fe000/0x600000)=nil, 0x600000}) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f00000000c0)={0x0, 0xd17, 0x0, 0xb9, 0x8001, 0x8001}, &(0x7f0000000180)=0x14) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000380)={r1, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x0, 0x8}, &(0x7f0000000240)=0x88) mount(&(0x7f0000000280)='./file0/file0\x00', &(0x7f000092f000)='./file0\x00', &(0x7f00000001c0)="d6011f8df090e09640208fd99c919a8e0d62fffd44f438b8a71a20e0857635bf1758aa99fc5399fafde3a53adbc2b7cde5151c0e5301715b1c5cecad572bc26c3f14dad7fb6686c1d830caa61f172e1228e9730da7e02329de642a0f38fe4ffadf5ebe5eb526c4109ec694bd4e2fb8c921d2372fd8", 0x8ff8c, &(0x7f00000002c0)="1507cc19347657bf820812b01e039e01f7e314741baac092147fde56ff6a3b1d547e29aa2bf5a98e4864f28f26e6a7a380d42e1b8b491837dd9e6cfc1f114b580f16770355f15e52396e0818c543f58e2d1e401b00bf72aff6e8f1050cf6c95df1aceb5aa882470c9438176183aed352d314f6d4c311bc5922d91572624f33f565") umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:49 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x800000000000, 0x82) 2018/04/21 01:56:49 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x1aa912d, 0x440) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r0, 0xfff) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x30, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x4, 0x16}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0), 0x0, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 688.761695] blk_update_request: I/O error, dev loop4, sector 0 [ 688.896672] Buffer I/O error on dev loop4, logical block 0, lost async page write 2018/04/21 01:56:49 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x2, 0x800) 2018/04/21 01:56:49 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f00000002c0)="8c00", 0x800000000000006) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_STATUS(r1, 0x4c02, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x6, 0x1, 0x1a, 0x8, "4a73df5492345a01791979ea9c44072309165600ac614d2663a1186487cf3cad1dc32cdff9f7d4729541ac358e0b6b85706a48c2e7171f92623582bb1b09936e", "a9450cac284078ab3bdd7a56b41f384db6d6c191b0ecdd52415165fdcc35e4d3", [0xeff, 0x1]}) memfd_create(&(0x7f0000000240)='/dev/hwrng\x00', 0x1) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 2018/04/21 01:56:49 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$DRM_IOCTL_DROP_MASTER(r1, 0x641f) 2018/04/21 01:56:49 executing program 7: mkdir(&(0x7f0000000280)='./file0/file0\x00', 0x154) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) getpgrp(0x0) getpgid(0x0) r0 = getpid() r1 = getpgrp(r0) process_vm_writev(r1, &(0x7f0000000000), 0x0, &(0x7f0000000580)=[{&(0x7f00000002c0)=""/161, 0xa1}, {&(0x7f00000000c0)=""/98, 0x62}, {&(0x7f0000000200)=""/103, 0x67}, {&(0x7f0000000380)=""/232, 0xe8}, {&(0x7f0000000040)=""/30, 0x1e}, {&(0x7f0000000480)=""/24, 0x18}, {&(0x7f00000004c0)=""/165, 0xa5}], 0x7, 0x0) personality(0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) setsockopt$inet_icmp_ICMP_FILTER(r2, 0x1, 0x1, &(0x7f00000005c0)={0x4}, 0x4) 2018/04/21 01:56:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0), 0x0, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:49 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc\x00', 0x101000, 0x0) sendto(r0, &(0x7f0000000140)="70850c5f165981be0c2cc2c65a84f242ba7ee53cea1eb5d1db08149d8a00247fa1af6b3cb396c5045c71bbe40d6a077d3c5a715ddcaf59cf93ff0dce3bc355c8484765ed5305d706efb7adc73fb4ada0cdbc6e81d20a7fa1754a7105452e4ff955805e0c0ee46903ceb523cba3240659a15e058960c5a33312178df133b7bbaa6fddebb750fc2a951b749d5ef4f08110e5dd6ac0dac2a62751fb70a4a281d6266740ff6e05de4851fe61334968fc26d97149098c307955abfbede420b54e0b44c968abc6f37ad7336f4508ca56c0b3d63bd4875628b3d664", 0xd8, 0x4000050, &(0x7f0000000240)=@llc={0x1a, 0xfffe, 0x100, 0x8, 0x7, 0x7, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80) chdir(&(0x7f0000000080)='./file0\x00') mknod(&(0x7f0000000480)='./file0/file0\x00', 0x20, 0x0) mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) sendmsg$unix(r0, &(0x7f0000000440)={&(0x7f00000002c0)=@file={0x0, './file0/file0\x00'}, 0x6e, &(0x7f0000000400)=[{&(0x7f0000000340)="74470c87f83a708350544f1129d92c0d483c9046aa0f9f93014a3e1f272cf864014ae12ce6ebe1c34614aefc4cc534a1858e2c8135906543e46a83907df9716337de73c2a4c327a5234c082b9c168d7e41858de4666aef8ea5b1aa47f90e040a895defc84b4cef7b5befb31f45ec926eae6a8ab8977ea28f99715b7baa491ae3a725a90e7b2d77f09cd5539a2b8cfe88", 0x90}], 0x1}, 0x811) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:49 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x30, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x4, 0x16}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x30, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x4, 0x16}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) pipe(&(0x7f0000000000)={0xffffffffffffffff}) ioctl$DRM_IOCTL_GET_MAGIC(r1, 0x80046402, &(0x7f0000000040)=0x1) fcntl$setpipe(r0, 0x407, 0x7f) 2018/04/21 01:56:50 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) splice(r1, &(0x7f0000000000), r1, &(0x7f0000000040), 0x6, 0x7) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x100000000, 0x2) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TIOCLINUX3(r1, 0x541c, &(0x7f0000000000)=0x3) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) r2 = accept4(r1, &(0x7f0000000040)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000000c0)=0x80, 0x80000) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000100), &(0x7f0000000140)=0x4) lseek(r0, 0x0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000000)='./file0/file1\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='bfs\x00', 0x2004000, &(0x7f0000000200)="6ca790edc759d537fa446e70e1d42cf490070702670431862f22a8576141879af01dbba42e490bcbaac6d52e087be14d17e0daf2dceca56965eddc249e19b43622cbe3ab815b38a88ce23a619421d30b1dd277abd7883234bf2d640176626f9dfb00ad423fa365c39d11957929a2e6949d") mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:50 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000000)={0x0, 0x80}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000100)={r2, @in6={{0xa, 0x4e21, 0x20, @dev={0xfe, 0x80, [], 0x12}}}, 0x4, 0x3, 0x6, 0x80000001, 0xa0}, &(0x7f00000001c0)=0x98) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x94, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x68, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = accept4$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, @mcast1}, &(0x7f0000000100)=0x1c, 0x800) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000240)={0x0, @in={{0x2, 0x4e24, @rand_addr=0x2}}, [0x3, 0x400000, 0x2, 0x1, 0x4, 0x8, 0x81, 0x9, 0x8, 0x100000000, 0x6, 0x2, 0x9, 0x1]}, &(0x7f0000000140)=0x100) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000180)={r1, 0x1cb}, 0x8) 2018/04/21 01:56:50 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) r2 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$sock_int(r2, 0x1, 0x4000000000000002, &(0x7f0000d11000)=0x3fb, 0x4) bind$inet6(r2, &(0x7f0000fe7fe4)={0xa, 0x4e20}, 0x1c) r3 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f0000bcefe4)={0xa, 0x4e20}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e24, 0x4, @remote={0xfe, 0x80, [], 0xbb}, 0x7}}, [0x9, 0x100, 0x3, 0x8, 0x2, 0x7, 0x2, 0xfffffffffffffff9, 0x3, 0x7, 0x80, 0x7, 0x20, 0x8aa, 0xff]}, &(0x7f0000000040)=0x100) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000001c0)={r4, 0x8000}, &(0x7f0000000240)=0x8) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x2) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 690.177799] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:50 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x94, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x68, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x80000, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000ffc000/0x2000)=nil, 0x2000}) 2018/04/21 01:56:50 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)}], 0x1, 0x81006) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x80) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:50 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000004c0)='/dev/loop#\x00', 0x8, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) fsync(r0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x5, 0x4, &(0x7f00000001c0)=[{&(0x7f00000000c0)="afbe01500aa70015910a6f22eadf0a644c9ccd0c350bc84d9fc936521698b04531550890db8baa975e3038fe785dd7a51ffc78323b4250a7f40d195ff9987003367148d362bb046de026a5ec80c201aa232c5906169033586a2ce353a3b06e638650671f767f985f6b7352999db08062c6e290eba578c8f0ed9843d732cf6b22419a583644513e0118462a2911605f2c6c25171581454abd6cbfe63a86bdc91989b86a2528efecdb09836a37f5c414affcaa56f9a54c2042457ced3c4e342ca9b080435d1f9fbe54326a7d1b86d7b9717529bb0ec2cff825ac0ecc6597dfabbc5653649c7d441aa101e5796b21892973b38b8ad8", 0xf4, 0x4}, {&(0x7f0000000240)="e8e97d3c67bfee293dcd16a4330920c762ff1c2efe6b89f16b37df16138686fb53320a01ff9dc7821f88273e9e37a70783df982344d885aa00446e55e25eb6967eefd539ee8792fc4eba83a1401dddd9e024563a340235c92e350d8a62898a2feeaa41148eaa9a72592a52ec83d3df1c5722e5d3a67930c2f9c7348bf7c2b1f7e3054c78a6f5b1b91edcb786506a6ac81321b07807cbd6680b4a97e453bfb1bdacb655318db0519bc145e2ea77e3db0a52305c55417a3478a1833ad2ac80bf19722216c04123bda9c3b91c957dd5d38d9baabed65c80163730ee925d8adc2a73fae76ebe58c61e3d31375e94a9dad5973a", 0xf1, 0xfff}, {&(0x7f0000000340)="fd50686727e98f380afe1cfb68ea1be1152c9f507d5e15fb63621fac4bf9dd7092193084aba6fd6fd6bac85259c0f1682af0c773af4de7d7739f0090949d424d4a5da0f511d1be96d8ae0a5db7e973d2a4b9aa14bdf19e6759096ec576adfb8b23b1dea34353fdfc184d4f2fe3c0371939dd0da0f394fa52d98a4c79db47677f8e351b39229d156e6dba9519d8ce3853d552de2356f2eaf65b63231ec6f12aeb591e082e457784270db9207c3d3c1f3c6e059b5234e556aa2d7857dcb0dcaba1d8d6", 0xc2, 0x2}, {&(0x7f0000000440)="f5e0cab9c8cb9c981703d33117f311b20fd3962207054e956832e4866b6d1765ce7929f89e1b6f6d743fd15fa222549c0b47ceebc4ec3552b37da852159abcd1c13e3f5accd6bb57ebed3c4471ab54c72ecf13ccf812411486614de195", 0x5d, 0x1ff}], 0x802802, 0x0) 2018/04/21 01:56:50 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x40, 0x111) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000140), &(0x7f0000000180)=0x4) 2018/04/21 01:56:50 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000040)='./file1\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000000)="f8044fe1a72811b53147e35ae0b79db59ee947009fa0ce17ecbd53d54fe841d7596dffec4432ae6ef2c1fbe287bd8baca34ec59f3e6e1d5d445d5a4835") r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000280)='/dev/autofs\x00', 0x20000, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f00000002c0)={{0x3, 0x1, 0x34220343, 0x3, 0x6}}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r0, 0xc08c5334, &(0x7f0000000380)={0x3, 0x0, 0x7, 'queue0\x00'}) syz_open_dev$sndtimer(&(0x7f0000000180)='/dev/snd/timer\x00', 0x0, 0x100) r1 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file1\x00', 0x10040, 0x0) utimes(&(0x7f0000000200)='./file0/file0\x00', &(0x7f0000000340)={{}, {0x0, 0x2710}}) ioctl$TIOCGPTPEER(r0, 0x5441, 0x1) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000000100)={0x5, 0x3, 0x8, 0x800, 0x2}) 2018/04/21 01:56:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x0) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x94, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x68, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/fib_trie\x00') getpeername$netrom(r0, &(0x7f0000000040)=@full, &(0x7f00000000c0)=0x48) 2018/04/21 01:56:51 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r1, r0, &(0x7f0000000000), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) memfd_create(&(0x7f0000000040)='*md5sumem0trusted%selinuxGPL)\x00', 0x3) ftruncate(r0, 0xb08) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/04/21 01:56:51 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000000)={0x3, 0x2}) mprotect(&(0x7f00004da000/0x4000)=nil, 0x4000, 0x2000009) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/checkreqprot\x00', 0x101000, 0x0) open(&(0x7f0000000080)='./file0\x00', 0x0, 0x80) syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x5, 0x400000) [ 690.966101] blk_update_request: 5 callbacks suppressed [ 690.966107] blk_update_request: I/O error, dev loop0, sector 0 [ 691.132809] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:51 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xc4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x98, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657d"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xc4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000000)={0x8, [0x26473e72, 0x9, 0x418c, 0x2dfdb066, 0x7, 0x401, 0x9, 0x6]}, 0x14) mprotect(&(0x7f00004df000/0x2000)=nil, 0x2000, 0x1000003) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) fcntl$dupfd(r0, 0x406, r0) 2018/04/21 01:56:51 executing program 7: mkdir(&(0x7f0000000000)='./file0/file1\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x0, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x0) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 5: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EVIOCGPROP(r0, 0x80404509, &(0x7f0000000140)=""/97) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0086426, &(0x7f0000000240)={0x5, &(0x7f00000001c0)=[{}, {}, {}, {}, {}]}) ioctl$LOOP_GET_STATUS64(0xffffffffffffffff, 0x4c05, &(0x7f0000000000)) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000200)) syz_open_dev$sg(&(0x7f0000000280)='/dev/sg#\x00', 0x3, 0x10000) vmsplice(r0, &(0x7f0000001700)=[{&(0x7f00000002c0)="889f89f29effdc85d875a33e98873b977cb868345dfaace73b5e6cb8a1df36cec17b673009d6c4", 0x27}, {&(0x7f0000000300)="79de69facca360d6b0409e46ab9b8c87e8950f048b4d3334775b9d552fae4081f66372425a1b1007c2fdfb22c0c5012892db69dfdb3946ebe692a460b6abe043d255182fa1817b1baba865efca424f383031e0fcb854d12a92314dbd75904549c92d2720dc4bf1e3eccd7a887a853792cca461c79654136fbd1c24156ca9409ab43411da16333a310390768b8130d6b3c41c4d0b35262b0a141fa0697b4955e9df833970e570c957aa3f515835d102d9fc3b1a54a1df5ba7dc47c76cbeddb450e38a13afc3464d5940c83ac3680b01d16a25c243bad37fda40afa5", 0xdb}, {&(0x7f0000000400)}, {&(0x7f0000000440)="bf4d7e274dc8db64041df16afc47070b6a382560c1687f0fdea20dfac9b5496a71d6d8da334427bd53db374ae8fb1e4c00987b6e346cdaf01d86d3b4b9dd81b9eae39370b6b3e9c1fd5638ade6bad6a0db090bdfbfe15757a080568e6d2f619c278225e8b010215304d9d9fbf9dfb18c356e359b51ef5a0bbe81395b95507242b8ca00cc349091d4c34235bf3da94ae136d5bff904877454f3f3ee48372ec33e6d049209152db73b3013c74a6e18511067aaa5f5b4a1cbddf9cb27", 0xbb}, {&(0x7f0000000500)="3fcbbbe07f9a99481fb824139895d6e8418c57b0a8f40523259a7006a7ce5f61e96d8d00df06498fbc2013c5334c0791fb689eec2eb3aa2b11769c739dbed7758b6517d84858146135dcb6421842bf2a2708668870aee43735422d814dfef4513d7ed07dfc52bad5a42893fdd048179e9151c548a9061eb92a9b3251c5eac660d00059029e9449485b9455d0c399e60e5c2febf3b113d30f3cdb72608648d6acc23fae157e48a366fa78d30f09b5b38819169cfb933ac6c7e7dfe2ce6b09e3d2bd588c0513d72f67f45030bbfe20800630ddfa2a4dda055881c3c54b1edf8aeeece9cbd89a48025420987c17f1ef1108fd2f", 0xf2}, {&(0x7f0000000600)="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", 0x1000}, {&(0x7f0000001600)="e68ea8", 0x3}, {&(0x7f0000001640)="24e4e9996b67e843556cc0a81afba46b5d605b6e718f514ee883eb047d8b69c3bfd50212fe6b5884985c1b7c595389dfd21b7ee1573a83b4bf22989efa516cbcc56513709a36575a4db621edb3761c02f728e001f23edbbe487eeb76db55e89386ebf381270f94f3482783a2e89214f355970f7b028504671688cf24637ab89b9bcfc18b61e5575c81fb4235e5e58702053558c2a0332e1317bf89dc0ef3311ad1b73dffd8114e517ce5dad3a0f2497c0d932ef6cb3dc1be6a", 0xb9}], 0x8, 0x1) 2018/04/21 01:56:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0xfffefffffffffffd, 0x4c0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000939f01)='net/anycast6\x00') preadv(r2, &(0x7f0000000080)=[{&(0x7f0000000280)=""/139, 0x8b}], 0x1, 0x20) ioctl$LOOP_CLR_FD(r0, 0x4c01) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x8, 0x4) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000000), &(0x7f0000000040)=0x4) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:51 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0xffd, 0x0) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000100)) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) [ 691.498072] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:52 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xc4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x98, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657d"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xc4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) syz_mount_image$xfs(&(0x7f00000000c0)='xfs\x00', &(0x7f0000000100)='./file0\x00', 0x120, 0x5, &(0x7f00000014c0)=[{&(0x7f0000000140)="2295f71020f40fdf94fc2bceedbcb4af2a100a87b4053b5804b3b35fbfa4c4c2b7f89bc2b095690d19aa002f32f6a02b862f5528d55d40682c25897936dcb368f1aa3dea0542bc2792107de2d24c8f8ec17a8cb7e198a47baa3d565fbfc3a0e20ec75bcb5e6b1d8783aab04d47c3e5249fc0f9a310eeb657135573366c3ef22e7854cae23a5ac758ac4e63954e9ea27a091a71f5ce77d2e2e920a43157985cb9d6b7ad8b37bbe249dda2c40b0ffe7b88376dd59cd8", 0xb5, 0x40}, {&(0x7f0000000240)="c65188cd06327a22a73f7dfead7d49561dc7c7755b8ef235c3be31ee4395bfa0abc775660afd844919855be70285514cdfd79ced7ee3cdf8d049842bdd8f4264efb2b0153d2d4a7311183cd8373d2d16a24a90cd8763703918922b4e01706b9f4c5ed704c71c52569fca278d5766300711b95f7e89bada010b6240c97095ed6c76684b804d5d243ca15553aa40acebc61872acb443f4d679ce9f8865cda0afba5703a5b1da6f392b1b6027", 0xab, 0x8001}, {&(0x7f0000000300)="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", 0x1000, 0x5}, {&(0x7f0000001300)="53c69be2019d969dfab8fe7afc8b17084486b2cddf1d23b8cbf51a2d96ffbbce46befd850084f15e7eb7da95a316d528f59c3532f46a10ad16b2bb13a7ddbed2c650b7c0181750b4b15c61b1bf41016ad3b6191e1716666c1110cc2aab969709451e9c66fb18c9cbb2717c5f6492509c10baa7fbec87a543b4f8a0f4fd714f5186bb1546b1836209e4534366db5421bdfb1f1f8e04fb1204bf7a", 0x9a, 0x4b28}, {&(0x7f00000013c0)="2a10dab83e8ab434e2e86f2eb0df5cc617c56bb898a90cc9e17fbb22cd194ece08ae8dcccd5ec66cfc7b116ebe49959e113b53b47cfc533662386fcff29f66ac13212b54c18096ea0ebe51219f3f4d50d885104a5aa73e2fe4183f219147bdd1b15e1863f590f079f0867d87974256ceb57fa1eb26447f57a96a9df26aba4b30db031e93c6ad5400becb6c6656f0f6462a1053d4c735b2bbd51d28b45642c5f0916e87211af850cc8736c89fde503f0153dad34e4821e710fbf6d8012e89b1299b35d96179412f8746e7f2e1195c296595b012fd869f409afc20b784d3d5665f85c250fde4672f4dc3608aa55ed4", 0xee, 0xcf}], 0x4, &(0x7f0000001500)={'nouuid,', {[{@swalloc='swalloc', 0x2c}, {@bsdgroups='bsdgroups', 0x2c}, {@logbsize={'logbsize', 0x3d, [0x6d, 0x30, 0x32, 0x7d, 0x6f]}, 0x2c}]}}) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x0, @host=0x2}, 0x10) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$sock_ipx_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000040)={'bridge_slave_1\x00', {0x4, 0x7fffffff, 0x5, "20edec2e1680", 0x101}}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dd000/0x1000)=nil, 0x1000, 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000140)={0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x28) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f00000001c0)={0x800, 0x6, 0x40, 0x8001, r2}, 0x10) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockname$netrom(r1, &(0x7f00000000c0)=@full, &(0x7f0000000000)=0x48) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x5, 0x10100) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000000)=[@in={0x2, 0x4e22}, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x1e}}, @in6={0xa, 0x4e21, 0x81c, @local={0xfe, 0x80, [], 0xaa}, 0x7}, @in6={0xa, 0x4e20, 0x1ff, @empty, 0x10001}], 0x58) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 7: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) fchmodat(r0, &(0x7f0000000040)='./file0/file0\x00', 0x4) mkdir(&(0x7f00000000c0)='./file0/file1\x00', 0xfffffffffffffffe) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:52 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xc4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x98, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657d"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xc4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0xfffffffffffffff7, 0x82) pipe2(&(0x7f0000001940), 0x4000) socket(0x8, 0x800, 0x6) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000001980)) dup3(r0, r0, 0x80000) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f00000019c0)) r1 = openat(0xffffffffffffffff, &(0x7f0000001a00)='./file0\x00', 0x10000, 0xa0) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000001a80)=0x0) r3 = add_key(&(0x7f0000000000)='syzkaller\x00', &(0x7f0000001900)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000001ac0)="50899a5036a9fc8a1b7bf0f237dbdb1d56c80ace30aee12c92f99998bddad46ac93b76d89241c627b66910af09df7090dc87dedd25cf8ff2bc8d3756ea81b242e7a68be271d955d932fa52c1e4791bf7c8e6e44615db548cf2025ce78d37f7ca4f1af2aae16028b8197daa70885d840636a7c67bc61796a3e62cbe3ddef1f6b3c62449b5723fbb32b81ef714edbefa1c4c54dc54760414e4baa6be4198e88d485e18fde2af5b9c5f161adfe7a366b0fa2c98e1e22cd58405ee630b634e852d6c95c671d510ce956b5419f1cef84dd46f6eea2e12fc5bbc78e1dab897c6aa7aca0003df8e59a85ec5", 0xe8, 0xffffffffffffffff) r4 = add_key$keyring(&(0x7f0000001cc0)='keyring\x00', &(0x7f0000001d00)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) pipe2(&(0x7f0000001d40), 0x80000) keyctl$instantiate_iov(0x14, r3, &(0x7f0000001c80)=[{&(0x7f0000001bc0)="e4d7b72dcd09644e94df1c69ff37944ae051db35452f7e946af1ca2044bffa29a184917f761ff97b5cfa9bb11f69c67526b4463e470e52ed219cacefe8aa93b15b4701e9c05564611bc5a4d5a3", 0x4d}, {&(0x7f0000001a40)="1434801c4513aa40ae73ed79da23e998c9be2f22d4c5a8d6a8aa780006eb4a0ef3da", 0x22}, {&(0x7f0000001c40)="7b1095ebeefb818d8fd9ca1d78ae4877b1883de0242923f853c8c108abd2239891e51c11", 0x24}], 0x3, r4) process_vm_readv(r2, &(0x7f0000001740)=[{&(0x7f0000000040)=""/225, 0xe1}, {&(0x7f0000000140)=""/97, 0x61}, {&(0x7f0000000240)=""/199, 0xc7}, {&(0x7f0000000340)=""/4096, 0x1000}, {&(0x7f0000001340)=""/140, 0x8c}, {&(0x7f00000001c0)=""/28, 0x1c}, {&(0x7f0000001400)=""/157, 0x9d}, {&(0x7f00000014c0)=""/207, 0xcf}, {&(0x7f00000015c0)=""/233, 0xe9}, {&(0x7f00000016c0)=""/76, 0x4c}], 0xa, &(0x7f00000018c0)=[{&(0x7f00000017c0)=""/79, 0x4f}, {&(0x7f0000001840)=""/127, 0x7f}], 0x2, 0x0) [ 691.918261] blk_update_request: I/O error, dev loop0, sector 0 [ 691.924364] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 692.154963] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:52 executing program 5: ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000000)={0x0, 0x80000, 0xffffffffffffffff}) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x101000, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r1, 0x4c09, 0x8) ioctl$DRM_IOCTL_AGP_RELEASE(r0, 0x6431) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x5, 0x82) 2018/04/21 01:56:52 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000000)=0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r2, 0x8, &(0x7f0000000040)={0x3}) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ppoll(&(0x7f0000000000)=[{r0, 0x20}], 0x1, &(0x7f0000000040)={0x77359400}, &(0x7f00000000c0)={0x20}, 0x8) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000100)={0x5, 0xc, 0xc2ed, 0xf5, 0x0}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000180)={r2}, &(0x7f00000001c0)=0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = dup(r0) r2 = memfd_create(&(0x7f0000000340)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(r2, 0x800854db, &(0x7f0000000240)=""/143) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000000)=0x0) pwritev(r2, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r1, &(0x7f0000000380), 0xbc0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000080)={0x0, 0x400, 0x10}, &(0x7f0000000400)=0xc) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000440)={r4, 0x7b, "ea5f9eb4fdc5e4208bc7f8980f0cd1b0b02d1d99b3df7ad16a93aba945494e02e52a22fd25bee5d3992c38a9be460ff3158e0a338746727429c5333891632708299f26d2638c33fe5eb1f7f1648e489b7e93430f1afd95610d6b954506ae089cb80e0ad055839ac554effd0a8f5066adcd599ba29acf66f206cb2a"}, &(0x7f0000000500)=0x83) ioctl$SNDRV_TIMER_IOCTL_START(r2, 0x54a0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000300)=0x80000001, 0x4) socket$key(0xf, 0x3, 0x2) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioprio_set$pid(0x1, r3, 0x2) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x2080, 0x0) ftruncate(r2, 0x800) flock(r2, 0x4) setsockopt$inet6_buf(r5, 0x29, 0x22, &(0x7f0000000100)="0413b064b72d3a3c78bc447454d4e1dd0df89f926e2ecbe7a7dff544f7a023284abd396111ce8dbf600cc26186ed2d017a695c9f46a23e6e1546b42133a5adb54baf76c5b1cc00983a528cb3b10982b884d973a8a470c3272f826ef2141316ceffba185950494519da95478aeb905deea04b5126c6056e7e8ecffca309c3b9a6b8c853a475be9140584cefe143150976038a1057cb917914004bbaf6633f7dc38c23d602b3a4d10c45271c156782394735d84d4c5cab53f90139d150d25cabf5b77494945ee1652cdfce0b5b", 0xcc) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) 2018/04/21 01:56:52 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f00000001c0)="e117521b571fed67aea5dec7cbbfbccd78f65d3f1099e74a90901200c9df371e18c587015b235c5542591e00000100000000006713f6e7ffc7350d60fc0af0d5cf879ee44f2b79c4677b230122a19489826f69fab82c2ef1b5b77bb6a8767c187107f4f1efff6b49cb2a0ea957e81f6a7a7257c2926543a2ad598ae339c5c8c6263f7ecf93e78dcb3fe6720eedd56a4a1e9180e6cdd8000000000000000000") chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = fcntl$getown(0xffffffffffffffff, 0x9) sched_setparam(r0, &(0x7f0000000140)=0x8001) 2018/04/21 01:56:52 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:52 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = creat(&(0x7f0000000000)='./file0/file0\x00', 0x40) getsockname$unix(r0, &(0x7f00000000c0)=@abs, &(0x7f0000000040)=0x6e) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f0000000200)={0x3, 0x101, 0xc0f, 0x9d28, 0xa00000000000000, 0x20}) 2018/04/21 01:56:53 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f0000000000)=r1) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f00000000c0)='ip6tnl0\x00', 0x0) write(r1, &(0x7f0000002000)='/', 0x1) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x2000009, 0x4011, r1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='/exe\x00\x00\x00\x00\x00\x00') fsetxattr(r2, &(0x7f00000001c0)=@random={'user.', '/trusted\x00'}, &(0x7f0000002140)="730100696e757800", 0x8, 0x0) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000)) r3 = socket(0x0, 0x802, 0x9) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000280)={0x0, 0x7}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000140)=@assoc_value={r4, 0x100000001}, &(0x7f0000000180)=0x8) 2018/04/21 01:56:53 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f00000008c0)={{{@in6=@mcast2, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6}}, &(0x7f0000000340)=0xe8) quotactl(0x81, &(0x7f0000000200)='./file0/file0\x00', r1, &(0x7f0000000380)="bdb7afc24fec1dfc108fa290be8736d5ac452b5841f71647e7c78e19bc5e194558aaec1135b5") accept4(r0, &(0x7f00000000c0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @loopback}}}, &(0x7f0000000040)=0x80, 0x80000) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r3 = getpgrp(0xffffffffffffffff) getresgid(&(0x7f0000000780)=0x0, &(0x7f00000007c0), &(0x7f0000000800)) sendmsg$unix(r2, &(0x7f0000000880)={&(0x7f00000003c0)=@abs={0xf786432d555bae60, 0x0, 0x4e24}, 0x6e, &(0x7f0000000740)=[{&(0x7f0000000480)="385ca804cbc6a888332a16e412051ed4d3cacf2490a97fc3536e5a1f951e1e13894c1161dcbdfa2e25bf0c4541120621384f2f4dbc52a8d9f058797e5302409002a5c15338d144d43afa237db5bf68b5d0ff63a581977f49edbfcb1b82fe471188e81272cd3e885bd61092548b3f1506689fc82251641c3c1685bfedea77c0871e28f676100d6b9146c9258febae0849145fb125e84ed41afa56786f42b67edc87f3dd29f1f7d1a0fe8da3300d57d5abcc88b2d7ff20ef5ba5477f6c84f2d8c6b47ae196f7b1a1514b8e9f66b5668798dc", 0xd1}, {&(0x7f0000000580)="0c7ff47e041db5dcde2521175f6804256e75945f4a6472839faa39a7809c838d89a5ec7d2945f2b65a95a49a66c3f54ee33d3fe9e563ef9b87c6d2629c4616f14faaaafb34c46f039bad6635db4684971acfdc26c5dcb7893f28c86b0541615f80c9155ffbbd6a98013514a61e43079344c78e4f13ea649c86ba335db0939d0b9a1f9c665536e9ea5d", 0x89}, {&(0x7f0000000640)="12d74d4c032bebe456ccd0003717c2eab00cefb404a308faede5f87e57a4ae6a38c2d0f2be0a35b12bd2cfff3bfb6508ce7cbb10930a8fa34d57c2cb7a9515f956f5f78899644b5184f63077ee2eb7b39e98d70d03c8dcfde5a05bfaace25acf8cc605fc171a11b479e96fefe4318dcca2e35fe62c95b85374c97fae77925a0f58c7e652d712ed05e1000cc8d685708aaa26b1f0891bddefcbc037fbc4ff61f5cde34c674473f21a6a6cfb0ebf3c3670fc1730f6a0c7afedb3863489ad523688224fb9422780f13b69826a991b49c705a72cf18e6b5ea8e99885df2110342c", 0xdf}], 0x3, &(0x7f0000000840)=[@cred={0x18, 0x1, 0x2, r3, r1, r4}, @rights={0x10, 0x1, 0x1, [r0]}], 0x28, 0x80}, 0x20004000) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:53 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(r1, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x22100) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:53 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x3d0, &(0x7f0000000100), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:53 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x8c102, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f00000000c0)=0x3, 0x4) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r2, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) 2018/04/21 01:56:53 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe8, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xbc, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:54 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) socket$inet(0x2, 0x80000, 0x200) r1 = dup(r0) setsockopt$IP_VS_SO_SET_ZERO(r1, 0x0, 0x48f, &(0x7f0000000000)={0x0, @loopback=0x7f000001, 0x4e22, 0x3, 'dh\x00', 0x8, 0x5, 0x2c}, 0x2c) 2018/04/21 01:56:54 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) readlinkat(r1, &(0x7f0000000000)='./file0\x00', &(0x7f0000000240)=""/4096, 0x1000) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r1, 0x28, 0x1, &(0x7f0000000040), 0x8) 2018/04/21 01:56:54 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:54 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r0 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffb) r1 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$link(0x8, r0, r1) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) prctl$getreaper(0xb, &(0x7f0000000140)) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000000100)='./file0\x00', 0x3) 2018/04/21 01:56:54 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) open(&(0x7f0000000000)='./file1\x00', 0x2000, 0xad) mount(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000200)='debugfs\x00', 0x10, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:54 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:54 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:54 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe8, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xbc, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe8, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xbc, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) 2018/04/21 01:56:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004de000/0x2000)=nil, 0x2000, 0x4) ioctl$TTUNGETFILTER(r1, 0x800854db, &(0x7f0000000300)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0xfffffffffffffffc) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/04/21 01:56:55 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) r0 = syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x7fff, 0x1) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000140)={0x0, 0x1ecc}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={r1, @in6={{0xa, 0x4e23, 0x100000000, @empty, 0x91e5}}, 0x615, 0x9, 0x5, 0x5, 0x11}, 0x98) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:55 executing program 7: r0 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) ioctl$KDSKBSENT(r0, 0x4b49, &(0x7f0000000000)="2ef08f6e2edccfa84e54c00c565d3ca323e4bb92a53d624062596c269877c061c21fdb568537183bee6732198e197b12ae90c94eda2cd15636a19a6bfe3e4493e2760fb47a7a432f0f37b191128c9879503eff15d4f062b9be21fe2c434fa675703f87384678406bdf640f3117fce1f20833fcf762c0bb6dd3ba9aa47f2a65") mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:55 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000000)=0x757a, 0x1) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x0, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0106434, &(0x7f0000000080)={0x9, 0x0, 0x1, 0x8001}) ioctl$DRM_IOCTL_AGP_UNBIND(r1, 0x40086437, &(0x7f00000000c0)={r2, 0x6}) 2018/04/21 01:56:55 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000000)={0x0, 0x1691}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000080)={r2, @in={{0x2, 0x4e22, @broadcast=0xffffffff}}}, &(0x7f0000000140)=0x84) [ 694.860568] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:55 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, 0xffffffffffffffff) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = request_key(&(0x7f0000000100)='cifs.spnego\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000180)='/dev/vga_arbiter\x00', 0xfffffffffffffffb) keyctl$update(0x2, r1, &(0x7f00000004c0)="9d874f532e93eca55a497d998b655db07558ffac67d1f05c84efe59a2936d08dc86295dbe7b4353313130653f0bd25252c1caecfb2acfd2f6a4a850443def2fbac84319f001aa51c619cffaaa28c7d146ab86a02b78f71df8dd2915231f62fc5f6c835c543975520ac9cbbd3622e7acbbacf24c61f061ba752bc459c150ea3b27cc4d6f2ee9c3bd1e165827a32f2915938d0f38bc30fd11ef3f8264a03346a3e3ac08a8d72e57d1e0d897450d80fac3bcbbc01411163168ec3bbb04418ba4f0e1e62d66aa6167d76a2ea9006f5eeeabfc15b3557d2e83851a39a162e007df7c1665ce16bcbae8f62ea4425ef203c00", 0x77) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000000c0)={0x10000000000, 0x7, 0x1, 0x6, 0x9, 0x3ff, 0x5, 0x4800, 0x1, 0x5, 0x6}, 0xb) r2 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r3 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x4e20, @rand_addr=0x8}, 0x10) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r3, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x111000, 0x0) fsync(r2) sendfile(r2, r2, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) epoll_create1(0x80000) ioctl$LOOP_CLR_FD(r2, 0x4c01) ftruncate(r3, 0x800) ioctl$PIO_FONT(r4, 0x4b61, &(0x7f0000000340)="be37ee35fc9df2903e81ac932003dfc1093e0e28f86af5f80859bba24eaf4dfb1259aa8747697514eddff25923f9697fc858ad738e23f977e035c0ce728d2ee304") ioctl$LOOP_SET_FD(r2, 0x4c00, r3) 2018/04/21 01:56:55 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mknod(&(0x7f0000000000)='./file0/file1\x00', 0x80, 0x9) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:55 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getsockopt$EBT_SO_GET_INIT_INFO(r1, 0x0, 0x82, &(0x7f0000000000)={'broute\x00'}, &(0x7f00000000c0)=0x50) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x81) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x193a6a56fdbc1f5e, 0x0) accept4$vsock_stream(r0, &(0x7f00000000c0)={0x28, 0x0, 0x0, @reserved=0x1}, 0x10, 0x800) r1 = socket$l2tp(0x18, 0x1, 0x1) r2 = dup(r1) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000040)=0x5634) ioctl$RNDADDTOENTCNT(r2, 0x40045201, &(0x7f0000000100)=0xff) 2018/04/21 01:56:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:55 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 695.820447] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:56 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) syz_mount_image$jfs(&(0x7f0000000100)='jfs\x00', &(0x7f0000000140)='./file0/file0\x00', 0x61, 0x5, &(0x7f0000000440)=[{&(0x7f0000000180)="7e68b5b14ccd497017627a4b56aa8daa6e5e3998381338f4761876335a1269de706128c7f39243dce60fa308be2b7189584b550b7245", 0x36, 0x7fff}, {&(0x7f00000001c0)="ad7f942b05c5155be2588962116519c4604b7efbf9a5e64ccdc39e54e1c09a062d7970ea51e4bc7cc08c244057f4fff6b690f8a95c36b59a49be73b72ea80ade4b73938834cd0ffe51fa24580eadbf0e6dc34d02c15f26f8d679aaa0d132a272f28a70c8612535d314b5d0f10fa22a31539d7fc788817e988c24fe1bb7686826cafb1d80fbdec38538cb95fddf9d8ed11f702d8175eb9ac85b6f96c21531295156b27050771b55ee02a6a856687f0e", 0xaf, 0x3a}, {&(0x7f0000000280)="354fb68ebebe41", 0x7, 0x5}, {&(0x7f00000002c0)="96d074e0af7cf5a7e4bf90df5f4a060624327f130512486b3b40c2264971f99ad8fdffb3363a1717ad00b5c97c64969d901a7dab0ef9845c8bbc7ac520637957b79ed79d53a216dac85aa2b4067011fa6ea7726ee5c5914f2bd78c58432fde6689c5e4ccbedcb074bf2bde2b871447492bc5e2", 0x73, 0x600000}, {&(0x7f0000000340)="0aac724c92c027852a710e07754fceda5cfb86dc8349f483db892cf910d221f9e527aefa32a410696cc7053f9ba3adfbad16a94cbf9859faf025c5bdf03ef0fc041946f4093b5d1c82fade6a307ee7575e83e26c5e588aca5c1b0bb678a7bba884fa5ba52988f18ebe259ce6d6804aacf1e154fa091df8e136e80fd0178123295d548fd8f190eeddca23bd8b1375525c3132b55597d1f47b5e5e5a413a16c777526603f726e12fc076b36ae969fba54ce40686e84b108fe18e5c51a13b0323b61e24c72395de6d087f27be51b26134", 0xcf, 0xffffffffffff2223}], 0x251016, &(0x7f0000000480)={[{@gid={'gid', 0x3d, [0x2d, 0x39, 0x2d]}, 0x2c}]}) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:56 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x4002, 0x0) ioctl$KDGETLED(r0, 0x4b31, &(0x7f0000000040)) 2018/04/21 01:56:56 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) sendfile(r0, r1, 0x0, 0xffffffff) ftruncate(r1, 0x800) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r1, 0x28, 0x6, &(0x7f0000000040)={r2, r3/1000+30000}, 0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$int_in(r1, 0x5421, &(0x7f0000000600)=0x7) timer_create(0x0, &(0x7f00000002c0)={0x0, 0x14, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000300)=0x0) timer_getoverrun(r2) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$TCGETS(r1, 0x5401, &(0x7f0000000340)) r3 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000380)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000004c0)={0x0, @in={{0x2, 0x4e21, @multicast2=0xe0000002}}}, &(0x7f0000000580)=0x84) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f00000005c0)=r4, 0x4) r5 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000100)="9dd482a27b9e89562fc1acebb1f6c9394db2acd041f8ba8db688e56a49ce472035168683fe904f2ff45e54a991abe6e7315032b55d8b0c4eb97d29deaa54c72f141eedcb101d89a85b9385654813fe398688208653eefda489dea4013bc410c92b3c545fc213dddb3c07931031b6d362b1aee143172431b765dff14e01b8c58b16e3f25ceff1c30256a78f9ab12b79ab5bec81dede2446bc1b5b112e36c915301cbaf082bf59b1b7364d28f8d7005868817fc9c2f22f0b69250d6127b3434f5bea840615512684203154aeb1d374dddca08076e74f98", 0xd6, 0xfffffffffffffffb) r6 = add_key$keyring(&(0x7f0000000240)='keyring\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffff8) keyctl$link(0x8, r5, r6) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 5: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x5d1341, 0x0) getsockopt$IPT_SO_GET_INFO(r0, 0x0, 0x40, &(0x7f0000000080)={'filter\x00'}, &(0x7f0000000100)=0x54) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x40000, 0x0) setsockopt$llc_int(r1, 0x10c, 0x3, &(0x7f0000000140)=0x80000001, 0x4) ioctl$TCXONC(r1, 0x540a, 0x9) 2018/04/21 01:56:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(0xffffffffffffffff, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 696.178813] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:56 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 5: socketpair$ax25(0x3, 0x5, 0x7, &(0x7f0000000000)) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) [ 696.225719] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:56 executing program 4: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x20001, 0x0) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000040)={0x1, 0x6, [@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}]}) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:56:56 executing program 7: getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000200)={{{@in6, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@ipv4={[], [], @remote}}}, &(0x7f00000000c0)=0xe8) stat(&(0x7f0000000100)='./file0/file0\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_mount(&(0x7f0000000040)='./file0/file1/file0\x00', 0x1000, r0, r1, 0x7, 0x8400) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r2 = getpgid(0x0) sched_getattr(r2, &(0x7f0000000000), 0x30, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:56 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) pwritev(r0, &(0x7f0000000000)=[{&(0x7f00000000c0)="8602b638a016e12aea870e91b56134e3b0d248ad2109075aca956f66afa07bd72a823351f51694361f5ef6580572b2e01f6df874f527b7aa623f263e6e2f46a806d19e609d7154a0914220f76b6fbd13b6136497c93c0b50752952df7fdbe30e0378fdc36ad7c183754b51d908cbaf6dc03f23d112e19c915a203a304078c109e9379e41f57be662b817f2278362fe5a9d10c2060d3d5da295b971d6a6329c343cd7ed7c7580e2d1ddf705f9eae196edab7105699ebe8370f64ad7b66b745c23cc7456d7df37", 0xc6}], 0x1, 0x45) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 696.337046] blk_update_request: I/O error, dev loop0, sector 0 [ 696.429477] blk_update_request: I/O error, dev loop0, sector 0 [ 696.435538] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:56 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) sendfile(r0, r0, &(0x7f0000000000), 0x3) read(r0, &(0x7f00000000c0)=""/157, 0x9d) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 696.993852] blk_update_request: I/O error, dev loop0, sector 0 [ 696.999883] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:57 executing program 7: mkdir(&(0x7f0000000000)='./file0/file0\x00', 0x4) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) fstat(r0, &(0x7f0000000200)) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r0, 0x118, 0x1, &(0x7f0000000040)=0x1, 0x4) openat$selinux_member(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/member\x00', 0x2, 0x0) sigaltstack(&(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000100)) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40047705, &(0x7f0000000280)={0xf9, 0x2}) 2018/04/21 01:56:57 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf0, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc4, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf0}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 5: syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x4, 0x80) 2018/04/21 01:56:57 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = syz_open_dev$mice(&(0x7f00000001c0)='/dev/input/mice\x00', 0x0, 0x102) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000280)={0x0, 0xe5, "24f537c5a9848a3deab453a1e28f0b5e6beca6e0670f726afce882b797988a5f345386e14794df4a23274b0e9249578aa9cfc2363dcc4df9b268899f1f36fc0e12379ce1c66a4aad86dfeb0aeb77b411895672d03456164ed5be77046d32957b7ea5468163f516254a1ced505a6393b28b4136a18b4a586bdfd3f5e8fcca4dcab84351c2f5c94b0943c82bf07217888174016a97e4e3e9b0528fcbf19393b8fd5f14f74de0528b4af532c0013863994b723ec2d1c0979c54dfa6046572d27fe7c3017b9f4793cefa016a208fd1a7b53950a29adccd1d202d557bf3ccbb9b747d1741d27de8"}, &(0x7f0000000380)=0xed) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000007000)={r1, @in6={{0xa, 0x4e22, 0x6, @mcast1={0xff, 0x1, [], 0x1}, 0x80000000}}, 0x7fffffff, 0x5}, &(0x7f00000070c0)=0xfffffffffffffe62) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000007100)={r2, 0x1000, "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"}, &(0x7f0000008140)=0x1008) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) recvfrom$ipx(r0, &(0x7f0000000100)=""/37, 0x25, 0x100, &(0x7f0000000140)={0x4, 0x22, 0x3, "cd8f4790ff4d", 0x5}, 0x10) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0xffffffffffffffff, &(0x7f0000001380)=ANY=[]) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000200), &(0x7f0000000240)=0x4) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000003c0)=@sack_info={r2, 0x200, 0x3ff}, &(0x7f0000000400)=0xc) mount(&(0x7f0000000180)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)="709f496f726500", 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:56:57 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f00000002c0)}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x9) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000000c0)={{{@in6=@dev, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@remote}}, &(0x7f00000001c0)=0xe8) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x4) sendmsg$nl_generic(r1, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="20000c0073656c696e75783a6367726f757026637075736574776c616e31000013af5c9f99a514e999abf89938c2f874b0290cc0e48d29b0519850ed4b76fd0f45254f13ecaf09f7239b6bf34c24ee3099e44457226bb34a45caf68767fd70745460cd641201b049851cf97a52bbbcf736e68fcaa8b4aab3842be8289c73027c335eb9c6cb8fd801e73c4d33f5673d92f57b24d41fca301368ebf2ed6cadc17233740c26fc10675ec56da46f5f714a7058d015586e8f5016d54e9e5c8a000000"], 0x1f0}, 0x1, 0x0, 0x0, 0x1}, 0x8880) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/04/21 01:56:57 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r0, 0x9) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x40000, 0x0) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) statfs(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/14) socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f00000000c0)=@assoc_value={0x0, 0xffffffffffffffb3}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYBLOB="bf94070032009e87be01000100000000001d"], &(0x7f0000000180)=0x16) 2018/04/21 01:56:57 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) memfd_create(&(0x7f0000000180)='/dev/loop#\x00', 0x2) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) memfd_create(&(0x7f0000000000)='lo\x00', 0x2) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_mreqn(r1, 0x0, 0x23, &(0x7f0000000040)={@multicast1, @multicast2}, &(0x7f00000000c0)=0xc) creat(&(0x7f0000000100)='./file0\x00', 0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x4, 0x2) 2018/04/21 01:56:57 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_SET_DIRECT_IO(r0, 0x4c08, 0x3d) 2018/04/21 01:56:57 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 7: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x3f) socketpair$inet_sctp(0x2, 0x0, 0x84, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_EDITDEST(r0, 0x0, 0x489, &(0x7f0000000200)={{0x67, @remote={0xac, 0x14, 0x14, 0xbb}, 0x4e22, 0x3, 'dh\x00', 0x10, 0x7, 0x56}, {@dev={0xac, 0x14, 0x14, 0xe}, 0x4e24, 0x7, 0x100000000, 0x1, 0x8}}, 0x44) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:57 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) set_tid_address(&(0x7f0000000000)) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:57 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockopt$llc_int(r1, 0x10c, 0x0, &(0x7f00000000c0), &(0x7f0000000100)=0xff61) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000140)={0x0, 0x1, 0x10}, &(0x7f0000000180)=0xc) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=r2, &(0x7f0000000240)=0x4) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 5: epoll_create1(0x80000) r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x101, 0x0) ioctl$TUNSETLINK(r0, 0x400454cd, 0x30b) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f0000000080)=0x1) syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0xfffffffffffffffe, 0x82) [ 697.992600] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:58 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f0000000000)={0x0, 0x2, "5c99"}, &(0x7f00000000c0)=0xa) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000100)={r2, 0x3}, 0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x10001000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) recvmmsg(r0, &(0x7f0000002600)=[{{&(0x7f0000000100)=@vsock={0x0, 0x0, 0x0, @hyper}, 0x80, &(0x7f0000001180)=[{&(0x7f0000000180)=""/4096, 0x1000}], 0x1, &(0x7f00000011c0)=""/247, 0xf7, 0x3ff}, 0x7ff}, {{0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000012c0)=""/93, 0x5d}, {&(0x7f0000001340)=""/121, 0x79}, {&(0x7f00000013c0)=""/113, 0x71}], 0x3, 0x0, 0x0, 0x20}, 0x101000000000000}, {{0x0, 0x0, &(0x7f0000002500)=[{&(0x7f0000001480)=""/4096, 0x1000}, {&(0x7f0000002480)=""/70, 0x46}], 0x2, &(0x7f0000002540)=""/178, 0xb2, 0xfffffffffffffff8}, 0x3f}], 0x3, 0x40000000, &(0x7f0000002680)) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) clock_getres(0x0, &(0x7f00000026c0)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x1) 2018/04/21 01:56:58 executing program 5: r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/mls\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000000)={0x0, 0xff, 0x1ff, 0x6, 0x400, 0x8, 0x3, 0x5, {0x0, @in={{0x2, 0x4e20, @multicast2=0xe0000002}}, 0x1, 0x1, 0xab, 0x5, 0x100000000}}, &(0x7f00000000c0)=0xb0) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f00000001c0)={r1, @in={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x84) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000100)={r2, 0x9}, &(0x7f0000000180)=0x8) prctl$setfpexc(0xc, 0x2) 2018/04/21 01:56:58 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = getpid() get_robust_list(r2, &(0x7f00000000c0)=&(0x7f0000000080)={&(0x7f0000000040)={&(0x7f0000000000)}}, &(0x7f0000000100)=0xc) 2018/04/21 01:56:58 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x800) ioctl$TIOCNOTTY(r0, 0x5422) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r1 = gettid() ptrace(0x8, r1) 2018/04/21 01:56:58 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:58 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x400000000, 0x40b00) r1 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x800) ioctl$TIOCCBRK(r1, 0x5428) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r2, 0x800) connect$netlink(r2, &(0x7f0000000000)=@proc={0x10, 0x0, 0x25dfdbfb, 0x29080}, 0xc) flistxattr(r0, &(0x7f0000000080)=""/240, 0xf0) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) 2018/04/21 01:56:59 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) getsockopt$IP_VS_SO_GET_DAEMON(r1, 0x0, 0x487, &(0x7f0000000000), &(0x7f00000000c0)=0x30) close(r0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f00000000c0)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x12) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) openat$cgroup_type(r1, &(0x7f00000001c0)='cgroup.type\x00', 0x2, 0x0) getsockopt$bt_BT_FLUSHABLE(r1, 0x112, 0x8, &(0x7f0000000100)=0xdf20, &(0x7f0000000140)=0x4) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) sync() symlinkat(&(0x7f0000000000)='./file0\x00', r1, &(0x7f0000000040)='./file0\x00') openat(r1, &(0x7f0000000180)='./file0\x00', 0x80000, 0x1e4) 2018/04/21 01:56:59 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) 2018/04/21 01:56:59 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 698.685217] blk_update_request: I/O error, dev loop0, sector 0 [ 699.052960] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:56:59 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x0) sendmsg$nl_route(r1, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 7: mkdir(&(0x7f0000000480)='./file1\x00', 0x20) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = accept4(0xffffffffffffffff, &(0x7f0000002b00)=@hci, &(0x7f0000002b80)=0x80, 0x80000) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000002c40)={@empty, @empty, 0x0}, &(0x7f0000002c80)=0xc) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000002cc0)={r1, @multicast1=0xe0000001, @multicast1=0xe0000001}, 0xc) syz_mount_image$xfs(&(0x7f0000000000)='xfs\x00', &(0x7f0000000040)='./file0/file2\x00', 0x7, 0x4, &(0x7f0000000100)=[{&(0x7f0000000200)="5b84a7fcd29792ba4936591964b5f166ee8af408f057fda048b22ecb44a627a03532a6c72a090d3827e87146ec8b356c3cc15878cc8dce3e90d109bd4dac24dbf98eac576d4ce7b6e1ed90010829c0ee5e5bd1b4ffd91332dff676d86475b5ec987ee99c3a13db6854576491ffedf5fa4a69cfa9ac63ebeea6accc7eaca0c9c4b7ffcb32c7d1872707d732481f", 0x8d, 0x300000000000}, {&(0x7f00000000c0)="45258db85852d52205402e86fff606b17b7558607386b5", 0x17, 0x4}, {&(0x7f00000002c0)="0a72a5066d54a15995eb516ade7af4eec77117adfb66398fe51af6bb86b68ae85e067872662d666b3d2e67580cc1e523bf8a7731e7a4a8c72087202394fae66d1d8c4581b68f891877149d63f65b83d24877e5", 0x53, 0x8}, {&(0x7f0000000340)="bfb62f4f25fd56b52b5d9701db4feb1c99b51c37d15dae89db862f5ef64ea586fe44e9eb2faae1241c48f0d846fb823f9eb318a1b9d57eeb07e908d1cf4ef827053046323ddb4b2518ca5b603c11bff845dc8eb648ba53a624ee066a10d439281dc0894e0a06437ea92be43d1e3fca2273629f4ee2da3ae4762fb99e3f493d051d746c9e8cd69e", 0x87}], 0x7040, &(0x7f0000000400)=ANY=[@ANYBLOB='nouuid,attr2,nogspid,logbufs=,\x00']) 2018/04/21 01:56:59 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) setsockopt$inet_udp_int(r1, 0x11, 0x67, &(0x7f0000000000)=0x5, 0x4) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0xfffffffffffffffc, 0x845fe) socket$nl_generic(0x10, 0x3, 0x10) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000080)=0x12, 0x4) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f00000000c0)={0x0, 0xb4, 0x7cc}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000140)={r2, 0x9, 0x9, [0x4, 0x3, 0x3f, 0x1, 0x2, 0x20, 0x24, 0x8, 0x9]}, 0x1a) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000040)=[{0x0, 0x1}], 0x1) 2018/04/21 01:56:59 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f0000000940)=[{&(0x7f0000000280)="e33a4be0a52a4351483d7daceebaea40133370130ac26e8136d62ffa0653c20ba0143f74530e0ed61146952707da8450c7c7e7f11f5be6d58d78fb28337049fc67f68db83117ebc992bdbef96b083863edaa52c72d270b57f6209e5cd601a2594644fa31bac7ba806c287372a34968e54f1e32f38965acbdee9af8747265b39fcbf38ea4236ae3e812eddf5dfcfdb143508a25c74ce4349a801ef612c6dfb794e43ebdd4fe8e485126baf76cb411d9d5713d52b462f6b128d3f548efe69d3fab52d943b36afba9017ee293cd2331ece65a54203d0bab276e182b3f427b3012138f3cb0b125", 0xe5}, {&(0x7f00000004c0)="df69151d0418d7851aa84033ec1eaeb796d2ddd911b731c2a41c544d67264bf47668c951c439f212f9d4dea97104a60ad151ddab2c918e47935374b1de9d41b64d86ab904e0c76865ec04086d881f77248c82d5515417121abf417dc1193d209c3691350c011212aef02", 0x6a}, {&(0x7f0000000540)="5506c328dbb4f702a933078d8142ca876dec23439bee8ebaed57e531c7be0bdfc0dda6ae8fbb7260ee38cfa6c44176323687f508a687fef695948b3f576149617debdc1c7a739d6e944a2281aacb94bcb1d97b2c7d94ba5f5ba26fc95cf570e39bf5d302d78cd664cb2471553823d79d070e86945ed5d06a9f5e5f1a1f4d47f4b673b7a2a394b7f05fe6813e1fe9b6edbb2cdb35befd", 0x96}, {&(0x7f0000000600)="aaa5af47ebbe6289f5745b44aa841a0d37a707b9f8c4a7f876181b9985424ec0fa1e03cbd61c40e74729eb7ca214ceaff0bba32792fb47b9412f87cd48a5e6976a0b30115c48f4326a830f065b0b1a79f77c560a6e231d0e1fbbc92af3978849cae78eccb0fd2b2a771614bf1e5cdb08e3cb7a060d2a4ee63b7f4914711931a3", 0x80}, {&(0x7f0000000680)="1d47a1b4b3dd92305aa57a721d88c14019f0d1dbfd8033cfeb7dc0d5519967c9bc206e8c286751916dcb961e82272906dd87a74def029294d6a6af383196da9d83866f551e5bead9e4d2229e3316365d45c90fa1f0a29d63b0536fff004907158d57a456", 0x64}, {&(0x7f0000000700)="276dbb4482f8cd44dc0411fee613dbeb172156a0b4917415ed5c97c58fa90e7e3a9f6175b6dcf440478a5d432c297c368884bdac6b647b86c24881dc2b35175b5a6cc9436c7a8a3ea7985eaf1eb05ff45243d2edfa84a89cd221a88a82e61b84c4ed57f6e573e529129a1e44a198f8a55782eeee7071281e91ce0270b2af56092cce7360fcd0709a00fcaa33e8054b9251c20a8a28e7aea041d5de73dbecd4bfeae28a1b664ec45e3580abb19b1566917ad4e6a82c26036c9438c778b11162d6012a413445ed2a66dad9ea", 0xcb}, {&(0x7f0000000380)="86683afa249a3134a96e43394a30cd8aade3440855", 0x15}, {&(0x7f0000000800)="5ba63bdbcae22b04c839dc8c480e1d80c1b058206e1b8e0c871b80b17f4412400fe15fef81d7bb52981b888b521d7661cb81ee62d967446960307459d7f43ed11351ff085f0fde42912366c057b6ccde0a713c4fe3b753b9399c0d182c5c86943942c847ab339db90003d31f6ae10127183de4299c06b27dfc65a416680ae57682b2750882535fc77339d4d7b1a02215f414f48fcec1e20a020322ee1ab2c698738a7f5fc69888fa355aa7cd224767f8a34b", 0xb2}, {&(0x7f00000008c0)="b804c7804f29ec93bb3c3fad9ff7969e5be5fd706e22a515ee72afd2c04de62f69659208f99047d1158adb42b3469ffae8eb42369bce208191cb5534cbcd36f54e69a59b6540b0e0510fe4b98e10b1510fb3513ef7d8931fc4526a2ecb8d4a2c40e82accb87b166ebda3", 0x6a}], 0x9, 0x81006) ioctl$PPPIOCSFLAGS(r1, 0x40047459, &(0x7f0000000240)=0x4000) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/self/net/pfkey\x00', 0x200000, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockopt$llc_int(r1, 0x10c, 0xd, &(0x7f0000000140), &(0x7f0000000180)=0x4) splice(r0, &(0x7f0000000040), r2, &(0x7f00000003c0), 0x7, 0x1) ftruncate(r1, 0x800) getsockopt$ARPT_SO_GET_INFO(r1, 0x0, 0x60, &(0x7f00000000c0)={'filter\x00'}, &(0x7f0000000000)=0x44) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_ADD(r1, 0x4c80, r3) 2018/04/21 01:56:59 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f00000002c0)='vboxnet1}mime_type.ppp0nodevem0\x00', 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) openat$ppp(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ppp\x00', 0x2040, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000040)={0x0, 0x1, 0x6, 0x0, 0x101, 0x7, 0x81, 0x3, {0x0, @in={{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x8fb, 0x3f, 0x1, 0xc1, 0x4}}, &(0x7f0000000100)=0xb0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f0000000140)=ANY=[@ANYRES32=r2, @ANYBLOB="00000010"], &(0x7f0000000180)=0x8) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) sigaltstack(&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000000)) 2018/04/21 01:56:59 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000000240)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f0000000280)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x101, 0x400000) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000140)={0x0, 0xe9}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000001c0)={0xfffffffffffffe00, 0x201, 0x0, 0xffffffffffffff00, r1}, &(0x7f0000000200)=0x10) umount2(&(0x7f0000d5bfff)='.', 0x2) pipe(&(0x7f0000000280)) 2018/04/21 01:56:59 executing program 5: 2018/04/21 01:56:59 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 699.364887] blk_update_request: I/O error, dev loop0, sector 0 [ 699.371112] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:56:59 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000025c0)=[{&(0x7f00000000c0)="50993c88ef7d3e8872ac2880635a293eab7bddaff6943a8bd05c398a421055cefb8d2625831fe682c12ead059891d851bc37beaa9907f6c862651a18ef7182b80e771316d9f2e8543b192c050e337f39ab73d75f32fdef1141a74875b3304cb60239eb8bd4732d89380216b3e530af1e3fd68e2a3932479369c0046f7f568a", 0x7f}, {&(0x7f00000004c0)="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", 0x1000}, {&(0x7f0000000240)="446be61d61dcae6b50815ebc9c6fc8dc067fbe24a3647f531d7d1f8c08ba5121654f064ed0d6c2e35850457699f9322d4dddcbdecbbcdd8dc06fbcddd3561fea8d23682d7754f1378d3d7095b7c5ec077afb6a89f13e4949c55cf2cbd72c014df49dc88077c2ec6487a720a9978895f2585bf20f3f1703f73741852ae5776b937568ff928bd1e355483b76ad3fa935c6c126ecccc52e7f4ebaadabf465a21d49b26edf6c5528ffee03adbd63584057589568f438c49ae0ed7ff26368ab4342fa141769ea6bd23129849d3f40093abf34c3f084e9e830a39cc579c50392288898de6d01", 0xe3}, {&(0x7f00000014c0)="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0x1000}, {&(0x7f0000000140)="fc363c3b6726e14bc41a28c3cd880d22c4a1302d8bbeb34b2b3e93c49003c1ac40d2c5fef10f8dc5253eb75d4b5c84", 0x2f}, {&(0x7f0000000180)="9added93cb4ad360e23488ad82f338311cc6b5ede007805c443c995dbfbfdd15e83447d36fcc973e7e256d432382037132ffb69b9268e5594d01d135bbe6a2aef630", 0x42}, {&(0x7f0000000340)}, {&(0x7f00000024c0)="acf80351bb5b04349203ca60f770d17cef19f40de30403e794bae87cdb5d325de23668f289d5c0fbf4428ede751360bed6101409388b944db162237ca880473541702f34ef606345c4d60b9bae77c7a1c53f4eeec1cb45ac6c", 0x59}, {&(0x7f0000002540)="9a74bc076319893c2c64aee927b22b654e8c1331f15cb58324c640320fdd9713de23888d9f6af7bdddc92c4090f0346986007096b1f60bdce0c19e2f8a2d8c3af6821795a10bc6f7d5b310ed63e7140dbc0305d113f0", 0x56}, {&(0x7f0000000380)="87db8cc3018297f1307a867126344b09bf3b85a41c5b591bc3cf635360d42cd29ef41677c2363f2cc84fa2ffb8ff0a9a4cda75dc4179c3", 0x37}], 0xa, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:56:59 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x9) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:56:59 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000000)) socketpair(0x17, 0x9, 0x40, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EVIOCGSW(r0, 0x8040451b, &(0x7f0000000040)=""/13) 2018/04/21 01:56:59 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x200000, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xff, 0x40, 0x1913, 0x800000000, 0x7fffffff}, &(0x7f0000000040)=0x98) fremovexattr(r0, &(0x7f0000000240)=@known='com.apple.system.Security\x00') getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000180)={0x3, 0x1, 0x400000000, 0x5ef, r2}, &(0x7f00000001c0)=0x10) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f0000000280)={r2, @in={{0x2, 0x4e24, @rand_addr=0x100000001}}}, 0x84) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$RNDZAPENTCNT(r1, 0x5204, &(0x7f0000000000)=0x2) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:00 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) openat$selinux_member(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/member\x00', 0x2, 0x0) r1 = memfd_create(&(0x7f0000000240)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) r2 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x9, 0x101000) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000300)={0x0, 0x80000000}, &(0x7f0000000340)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000040)={r3, 0x9}, &(0x7f0000000080)=0xc) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r2, 0x84, 0x70, &(0x7f00000000c0)={r4, @in={{0x2, 0x4e23, @loopback=0x7f000001}}, [0xffffffffffffffe1, 0x7, 0x7fffffff, 0xfffffffffffffc3b, 0x21a, 0x0, 0x100000000, 0x4f, 0x9, 0x3, 0x2, 0x7e9, 0x200, 0x4, 0xf7]}, &(0x7f00000001c0)=0x100) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f00000002c0)) 2018/04/21 01:57:00 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 699.731272] blk_update_request: I/O error, dev loop0, sector 0 [ 699.737418] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:00 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) sched_yield() ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:00 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:00 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$TCSETA(r1, 0x5406, &(0x7f0000000040)={0x6, 0xfffffffffffffffd, 0x1, 0x9a68000000000000, 0x10000, 0x8, 0x6, 0x4325, 0x0, 0x400}) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000240)='./file0\x00', 0xa0, 0x9) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/cache_bypass\x00', 0x2, 0x0) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) bind$unix(r0, &(0x7f00000000c0)=@file={0x1, './file0\x00'}, 0x6e) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000040)=ANY=[@ANYRES32=0x0, @ANYBLOB="4d00000081bc6398b59f34e633e7e8cfc90f24c28de030774549707fd22837e2d13af9e4c3bf7a61e2219eb3c9ead1cca355768c0aab99618f0982ecd762aadfc85cf67136235ec0fae6cf535118ae0d50"], &(0x7f0000000200)=0x55) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000280)=ANY=[@ANYRES32=r1, @ANYBLOB="04000800009a610000000000000000000000000000000000"], &(0x7f00000002c0)=0x1c) ioctl$KIOCSOUND(r0, 0x4b2f, 0xb8) 2018/04/21 01:57:01 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) listxattr(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=""/205, 0xcd) 2018/04/21 01:57:01 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x0, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) socket$unix(0x1, 0x5, 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f00000000c0), &(0x7f0000000100)=0x4) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0086426, &(0x7f0000000180)={0x8, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}, {}, {}]}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x400000, 0x4) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000040)={0xc, @remote={0xac, 0x14, 0x14, 0xbb}, 0x5, 0x2, 'rr\x00', 0x11, 0xfffffffffffffff7, 0x4b}, 0x2c) 2018/04/21 01:57:01 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TIOCEXCL(r1, 0x540c) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) flock(r0, 0x4) 2018/04/21 01:57:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x0, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_mreqn(r1, 0x0, 0x23, &(0x7f00000002c0)={@dev, @multicast2, 0x0}, &(0x7f0000000300)=0xc) sendmsg$nl_route(r1, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x44000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=@ipv4_getnetconf={0x54, 0x52, 0x100, 0x70bd25, 0x25dfdbfe, {0x2}, [@NETCONFA_IFINDEX={0x8, 0x1, r2}, @NETCONFA_RP_FILTER={0x8, 0x3, 0x7fff}, @NETCONFA_RP_FILTER={0x8, 0x3, 0x2}, @NETCONFA_PROXY_NEIGH={0x8, 0x5, 0x2}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6}, @NETCONFA_PROXY_NEIGH={0x8, 0x5, 0x7fff}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x1}, @NETCONFA_FORWARDING={0x8, 0x2, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x44) 2018/04/21 01:57:01 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) mprotect(&(0x7f00004dd000/0x2000)=nil, 0x2000, 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x800, 0x0) ioctl$LOOP_SET_FD(r2, 0x4c00, r1) 2018/04/21 01:57:01 executing program 7: mkdir(&(0x7f0000000100)='./file0\x00', 0x20) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000000)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer2\x00', 0x400000, 0x0) geteuid() fcntl$addseals(r0, 0x409, 0x4) 2018/04/21 01:57:01 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) [ 701.384544] blk_update_request: 1 callbacks suppressed [ 701.384549] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:01 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffff9c, 0xc0086420, &(0x7f0000000300)={0x0}) ioctl$DRM_IOCTL_SWITCH_CTX(r1, 0x40086424, &(0x7f0000000340)={r2, 0x3}) r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/mls\x00', 0x0, 0x0) getsockopt$bt_BT_POWER(r3, 0x112, 0x9, &(0x7f0000000180)=0x5, &(0x7f00000001c0)=0x1) r4 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r4, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) recvfrom$inet(r3, &(0x7f0000000240)=""/135, 0x87, 0x0, &(0x7f00000000c0)={0x2, 0x4e22, @broadcast=0xffffffff}, 0x10) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r4, 0x800) ioctl$sock_inet_SIOCGIFNETMASK(r4, 0x891b, &(0x7f0000000000)={'veth1_to_bridge\x00', {0x2, 0x4e24, @loopback=0x7f000001}}) ioctl$LOOP_SET_FD(r0, 0x4c00, r4) 2018/04/21 01:57:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) recvfrom$inet(r1, &(0x7f0000000000)=""/204, 0xcc, 0x2000, &(0x7f0000000100)={0x2, 0x4e24, @multicast1=0xe0000001}, 0x10) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:01 executing program 6: pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x84800) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000040)=0x100000001, 0x4) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) sendfile(r1, r1, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:57:01 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vga_arbiter\x00', 0x40, 0x0) getsockopt$inet6_dccp_buf(r0, 0x21, 0xe, &(0x7f00000002c0)=""/19, &(0x7f0000000300)=0x13) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) fchdir(r1) openat$selinux_relabel(0xffffffffffffff9c, &(0x7f0000000240)='/selinux/relabel\x00', 0x2, 0x0) r2 = creat(&(0x7f0000000100)='./file0\x00', 0x12) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r2, 0xc0a45322, &(0x7f0000000140)) umount2(&(0x7f0000000340)='./file0/file0\x00', 0x2) 2018/04/21 01:57:01 executing program 5: syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x2) 2018/04/21 01:57:01 executing program 7: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000300)='/proc/self/net/pfkey\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000340), &(0x7f0000000380)=0x4) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) getsockopt$IP_VS_SO_GET_DAEMON(r1, 0x0, 0x487, &(0x7f0000000280), &(0x7f00000002c0)=0x30) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0xc60, 0x0, 0x2, 0xa995, 0x7}, &(0x7f00000000c0)=0x14) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000100)={r2, 0x2, 0x30, 0x5, 0x9}, &(0x7f0000000200)=0x18) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:02 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$sock_ipx_SIOCIPXNCPCONN(r1, 0x89e3, &(0x7f00000000c0)=0x2) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000000)={0x0, 0xa8}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r1, 0x84, 0x78, &(0x7f0000000080)=r2, 0x4) ftruncate(r1, 0x800) setns(r0, 0x40000000) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x0, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = request_key(&(0x7f0000000000)='dns_resolver\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000000c0)='cpuset}\x00', 0xfffffffffffffffb) r3 = request_key(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000180)='/dev/loop#\x00', 0xfffffffffffffffe) keyctl$reject(0x13, r2, 0x800, 0x319, r3) 2018/04/21 01:57:02 executing program 5: r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x200000) ioctl$KDSETLED(r0, 0x4b32, 0x81) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) 2018/04/21 01:57:02 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) setsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f00000000c0)=0x1, 0x4) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) prctl$setname(0xf, &(0x7f0000000000)="74086e750000000000000000008c00") ioctl$EVIOCSCLOCKID(r1, 0x400445a0, &(0x7f0000000100)=0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file1\x00', 0x0, 0xffffffff) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = syz_open_dev$mice(&(0x7f0000000380)='/dev/input/mice\x00', 0x0, 0x200000) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f00000003c0), &(0x7f0000000400)=0x8) r1 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x8, 0xc0000) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40047705, &(0x7f0000000100)={0x0, 0xfff}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000200)=[@in={0x2, 0x4e22, @rand_addr=0x4}, @in6={0xa, 0x4e22, 0x80000001, @local={0xfe, 0x80, [], 0xaa}, 0xffffffff}, @in6={0xa, 0x4e24, 0x4000000000000000, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1a}}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e20, 0x5, @local={0xfe, 0x80, [], 0xaa}, 0x401}], 0x94) ioctl$sock_netrom_SIOCGSTAMP(r1, 0x8906, &(0x7f00000002c0)) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000340)={0x0, 0xffc000}, &(0x7f0000000480)=0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000004c0)={r2, 0x3214}, &(0x7f0000000500)=0x8) r3 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x10000) inotify_init1(0x80800) ioctl$DRM_IOCTL_GET_CAP(r3, 0xc010640c, &(0x7f0000000040)={0x25f3d6e4, 0x8000}) 2018/04/21 01:57:02 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 5: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x100) getresuid(&(0x7f00000003c0), &(0x7f0000000240)=0x0, &(0x7f0000000380)) setsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in=@multicast1=0xe0000001, 0x4e23, 0x1, 0x4e24, 0x5, 0x2, 0x80, 0x20, 0x32, 0x0, r1}, {0x800, 0x9, 0x4, 0x6, 0x9, 0x80000001, 0x1ff, 0x9}, {0xffffffff, 0x9, 0x1}, 0x9, 0x6e6bb0, 0x1, 0x1, 0x1, 0x2}, {{@in6=@remote={0xfe, 0x80, [], 0xbb}, 0x4d2, 0x3b}, 0x2, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x3506, 0x0, 0x0, 0x1, 0xef, 0x2, 0x2}}, 0xe8) 2018/04/21 01:57:02 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000000), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$sock_inet_SIOCGARP(r1, 0x8954, &(0x7f0000000040)={{0x2, 0x4e24, @multicast1=0xe0000001}, {0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x40, {0x2, 0x4e20, @rand_addr=0x5}, 'nr0\x00'}) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x400, 0x0) vmsplice(r2, &(0x7f0000000140)=[{&(0x7f0000000040)="d181084cb92f16a01a4c40f3d27081d55df9b96f73421c95c2faad3798823c880c94cc196bccae1c93e75d71e7da9f3b9e384c1d495077b33e5e5212237b554dea8368acc7d2c236750523db9cc42306912c0f5c319b04dd14e4125157d3608b8cad20fe9fe26a11b39be0a7ef195b77d42ef5b804dbded7b2fbb6a527609d24f17b30e2a7c10d411689611675eed1a5dd3e31a196a102b43f7e34b8a459435b83ddda93d061dcd9199cecc124dbd71f8786f22adab83b5b38f79b051100bafc6adeede0c2e632b0fbbc8b541888162e0411a18b8f6c4d4ebb62dcf4bf", 0xdd}, {&(0x7f0000000240)="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", 0x1000}], 0x2, 0x2) ftruncate(r2, 0x20000800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x2000) ioctl$EVIOCGMTSLOTS(r0, 0x8040450a, &(0x7f0000000140)=""/142) 2018/04/21 01:57:02 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f00000004c0)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) pwritev(r1, &(0x7f0000000000)=[{&(0x7f00000000c0)="ba7d68f4ff4abd81a5f0749c28f0b4590775f911cf2c0cfbb864de9fae378a891dfc98e13433ccd0acedfe3f94d1d7591320e5c95a73d4319e67841df415c861fd173d4a7f5857d476285bd0ea7ff9a82ab4938cdd9dc9b1eb060fc6691a95a8f7cf461002e62228d4f053a7c9961de5b3291fd012e6a020293bcfdcda7ee7faa2cf9b3e6be54ab7a77a09b827ecf871b65e840655895c3660ef6ea1cb886979", 0xa0}], 0x1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:02 executing program 7: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mknod(&(0x7f0000000000)='./file0/file0\x00', 0x0, 0xfffffffe) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:02 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 702.470185] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:02 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000280)='/dev/loop#\x00', 0x40, 0x84105) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004de000/0x4000)=nil, 0x4000, 0x2) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000000)={0xd04, 0x1000, 0x400, 0x8, 0x4}, 0x14) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_SET_STATUS(r1, 0x4c02, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x1, 0x1a, 0x18, 0x5, "52d45fa593ca0e6a4aa4653c60750e9b12322eee9fc80a9daf7b536e0347128f44b2039579eb7c9c8f32ac68582b9aacdec10c0aa33be3496026aa562f6bff55", "8be8fd07b869cf89484a503a1fc50d3ec26a62f20ae702da512c43dcbeddaabf", [0x4]}) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000040)=0x0) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000200)=0x0) rt_tgsigqueueinfo(r2, r3, 0x41, &(0x7f00000001c0)={0x15, 0x585, 0x7fffffff, 0x7}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$EVIOCSABS0(r1, 0x401845c0, &(0x7f0000000000)={0x100000000, 0x1, 0x6, 0x0, 0x9, 0x7fff}) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x800, 0x7fffffff, 0x0, 0x7, 0x5, 0x14, "7ad1f17fe5ba50a5a42cc3d1453885e72022846831e041b028afb1feffda3b575015b648b463fe15ef406e4edfd87f5c987592b12b2d6e3a743b7010989083ca", "ccc2df4d2eba254c3c41cbd17d2a742c140a6fc74173737116e297d62ca203a3d0603a3ed279e60587aedfe8744305286dd5b5e39b9392ffd7ce81e419c7bb4e", "a96244c8ff17d5220ebe73833aee56015eb17df51677cfe6e462ab8ad42b8855", [0xff]}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0xc24d6f70ffc06365) fgetxattr(r0, &(0x7f0000000040)=@known='system.sockprotoname\x00', &(0x7f0000000080)=""/69, 0x45) 2018/04/21 01:57:03 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r0, &(0x7f0000001fc0)=[{&(0x7f0000002040)="67f443f8c435b9bf4be9e0d72d86ebd3bc91f1ae4f8e87951f13cde6e37211c6e62ebe6272300bc84cd7e0b76755df1ecc59c1d1fd636b905f495e9676695eb7fe6c021bf400000000000000000000", 0xdfee73b9fc6df381}], 0x1, 0x0) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000001c0)=0x0) getresuid(&(0x7f0000000340), &(0x7f0000000380), &(0x7f00000014c0)=0x0) lstat(&(0x7f0000001500)='./file0\x00', &(0x7f0000001540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r1, 0x10, &(0x7f00000015c0)={0x0, 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000001600)={{{@in6=@loopback, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@dev}}, &(0x7f0000001700)=0xe8) lstat(&(0x7f0000001740)='./file0\x00', &(0x7f0000001780)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getpgrp(r5) r9 = getuid() fstat(r1, &(0x7f0000002240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000001880)=0x0) stat(&(0x7f00000018c0)='./file0\x00', &(0x7f0000001900)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000001980)=0x0, &(0x7f00000019c0), &(0x7f0000001a00)) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000001a80)=0xffffffffffffff99) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000001ac0)={{{@in6=@remote, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@remote}}, &(0x7f0000001bc0)=0xe8) r16 = getegid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000001c00)={0x0}, &(0x7f0000001c40)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000001c80)={{{@in6=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@dev}}, &(0x7f0000001d80)=0xe8) stat(&(0x7f0000001dc0)='./file0\x00', &(0x7f0000001e00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r1, &(0x7f0000001f40)={&(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000000)=[{&(0x7f00000004c0)="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", 0x1000}, {&(0x7f0000000140)="51c541071b0af46c17908a3c6598231827b930490dc232d7c0a3cfcbfc84880c7dfa0e7f503bdc53412b0c50e65372ccaadc6f62d29b8341c3548767d6d56fa6b0bc2985baae15f40805eb337fd5c2c670628241272eeae65ade0242bfef197fcc13640e1a5687280cbe8a12580bae044ad5f501cadc24d66a5dcd", 0x7b}, {&(0x7f0000000240)="2c37210252d12a1ad78cbf3d5f09f023b59b9875f96d66b119528e96c52bad487de3247d941a101b6c05b331481a0765e1f6e9da77cf7ea1d86d9c3e9ba15337afed5d7956d05a0932259708ba4da3e17f0aa577b8d179fcff1817db60ae739a0b6e26d71d8abd2f3fe9f31d0f4d42403da34541eeb148fa01da6ade934c2230584c14d856e0583380b6ce31b95adaaa6bcf54892affc8c52c19aa00a9f77dfec2685a4d5b011488a15888a4867e66378f7d21ddc924d5dc0ca9d22f606e6b79050603754b6bcf01", 0xc8}], 0x3, &(0x7f0000001e80)=[@cred={0x18, 0x1, 0x2, r2, r3, r4}, @cred={0x18, 0x1, 0x2, r5, r6, r7}, @cred={0x18, 0x1, 0x2, r8, r9, r10}, @cred={0x18, 0x1, 0x2, r11, r12, r13}, @cred={0x18, 0x1, 0x2, r14, r15, r16}, @cred={0x18, 0x1, 0x2, r17, r18, r19}], 0x90, 0x1}, 0x800) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 7: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000400)=0x0) ptrace$setopts(0x4200, r0, 0x2, 0x4) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file1\x00', 0x1ff, 0x4, &(0x7f0000000100)=[{&(0x7f00000000c0)="40a8cc0f57d1f6151f774bf21d2ee10ff4ee565704d29fa312229717775577156256ed12cd7b3f1acdf97f8e0679c0fd02a0c3ba436fec", 0x37, 0x100000000}, {&(0x7f0000000200)="3215179e6eefe22ec8c024455be091fe14ec829e4b444391456226fc99940c5437f3598f13a31c10a77cbbb2db3f6053552779d5e78470990137c3d637f35890b28ed1cc5e01fda87b0513aef935a5fb308f48ac8b09", 0x56, 0x38}, {&(0x7f0000000280)="e5399e82e5966c8b542fa8607e58521f631219950081b1f19182754fad78129bc36dba8781fb84df4274650536602a65f6dc8021ac768fc0d2fed63d304afe32eedccbaaed42a0f9f2ab9fbe5bc1f946f4ba8207152c4ed344e749ed434c31c82c23f15b8e6de43f19084e5ff562a36114f3369e58f13f47961a9de6fcd1354ba5719b653a537b95c8cdec176b90ee8eb8c102ad0880265eea11b2370ef839519465b66297a96ddb0ff3311b573276", 0xaf, 0x2}, {&(0x7f0000000340)="1bd5d984e9bfce647c4c9c9ea3e4db08ebb6151a0f8ca32171b914d34cc8e469668a8a1414e3c94102354baa7d47073ddd6843fd918d74cd61c6d0f9d5aec34465c55fcacc87c920cc3a9d25a8c86813b61d51022ca8102ab0c3c8", 0x5b}], 0x2000, &(0x7f00000003c0)={[{@hide='hide', 0x2c}, {@utf8='utf8', 0x2c}, {@nojoliet='nojoliet', 0x2c}, {@uid={'uid', 0x3d}, 0x2c}, {@cruft='cruft', 0x2c}, {@dmode={'dmode', 0x3d, [0x2d, 0x32]}, 0x2c}]}) [ 702.875414] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x40, 0x0) r2 = dup(r0) renameat(r1, &(0x7f0000000040)='./file0\x00', r2, &(0x7f0000000080)='./file0\x00') getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000580)={0x0, 0x2a, "1cb21be570dbc678636b16f8668ffb2c80cd8f58e1d98ed12abf99636f74730a80db8b8d571e3c46bbb5"}, &(0x7f00000005c0)=0x32) getsockopt$inet_sctp6_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000600)=@assoc_value={0x0}, &(0x7f0000000640)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000680)={0x0, 0x1390}, &(0x7f00000006c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000700)={0x0}, &(0x7f0000000740)=0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000780)={0x0, 0x8df}, &(0x7f00000007c0)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000800)={0x1, [0x0]}, &(0x7f0000000840)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000001140)={0x0, 0x9}, &(0x7f0000001180)=0xc) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f00000011c0)={0x0, 0x5}, &(0x7f0000001200)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000001240)={0x0, @in6={{0xa, 0x4e24, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x3}}, 0x3, 0x33000000000, 0x1, 0x80000000}, &(0x7f0000001300)=0x98) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000001d40)={0x0, 0x1000}, &(0x7f0000001d80)=0x8) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000001dc0)={0x0, 0x8001, 0x0, 0x73, 0x6, 0x62d, 0x1000, 0x101, {0x0, @in={{0x2, 0x4e21, @rand_addr=0x6}}, 0x9, 0xa70, 0x1ff, 0x4dc, 0x80}}, &(0x7f0000001e80)=0xb0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f0000001ec0)={0x0, 0x8d, "7ffce27ad88adf997699b2bc6c6420a6e92e961ff2941877e497054458ae13181edbda473279e0e7fe975a86ebd50f5cf34a46f9b512d5e55cd9a02f40ca6697ddc4daffa150d879bcb503488df92270b697de25e9a443e7a789f8a88cbd4aee4a248778cf11e2b49578bffff8a6738ab97786b1009fc81c73ca517f1f18a237c9b3ff0dec7dd8e3e8f91ee842"}, &(0x7f0000001f80)=0x95) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000001fc0)={0x0, 0x200}, &(0x7f0000002000)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f00000035c0)={0x0, 0x20b, 0x2, 0x5, 0x0}, &(0x7f0000003600)=0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000003640)={0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000003680)=0x20) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f00000036c0)={0x0, 0x6}, &(0x7f0000003700)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000003f00)={0x0, 0x7, 0x81}, &(0x7f0000003f40)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000003f80)={0x0, 0x2}, &(0x7f0000003fc0)=0x8) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000004000)=@assoc_value={0x0, 0x9800}, &(0x7f0000004040)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000004080)={0x0, 0x4}, &(0x7f00000040c0)=0x8) sendmmsg$inet_sctp(r2, &(0x7f0000004200)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e23, 0xffffffff, @remote={0xfe, 0x80, [], 0xbb}, 0x3}, 0x1c, &(0x7f0000000340)=[{&(0x7f0000000100)="963d26662821783bffa76b5fc2605612a06207e49eaee46b4096463af94503165b720f4197de9c30c33459f084e354f9e37d42f6389726e1030ce5c3325d86361b3505c47a04aa7cd68729c65cdba7308a564a9fbb5726c4d07b4b49", 0x5c}, {&(0x7f0000000240)="fd4392a0858134f661ce02f892f03fec06c2520b2b56213351e6d250f1f3b887b45541c3df7ee29346a466c4213a62db7c1bd142bfbaee4a0011863126a8172187ec5f1ea7b3fa5b18c7989ebb2ad053829bb40f95ce3bcef487b853a5f8fd1a1d1047863a578ed592761e61d6e7bf8adaddc045fb418aa6003189f30d994fd89db560163f00e6384b3bb8f24f267f8ab880a42f710c4f24bbaed28d3161d9ca47ac39647b1ede3e5a3509fc9c37a6179088281c723bc6ab60cb3204dd08a64383eecdd5c0f35232d6fb475d8a99a905896d8cdf59dd0b16f6d7", 0xda}, {&(0x7f0000000180)="1d6c89a54a71c3225ec18117f72629f6f14337091e795c6c8eee310405fb67868672d95dd199badec6fdc21d2d040871d971cab172f03c0fbb87b6c7416372332b6864f7b35fbd9d204752e3c61c5733e21e5a0a935e4ea366eb74", 0x5b}], 0x3}, {&(0x7f0000000380)=@in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1}, 0x1c, &(0x7f0000000540)=[{&(0x7f00000003c0)="c1e1b23366cacbc7fd463f667397781af88007205ba8b33e4992592cd81855a30685a3d34b81ef5bcba24312d997da9224e92349790480deca1b9ce6427837a4bff9e2cf89b4f457aef6b3b7a7a04035a7dc885688806695179312b6b1ed7a6ff8f9736fb505648304ac25ddc60028b0f4381514af7635772465e3ef1fe53a501c533b7085dd7152aedc2b768a672e5daba4703d32bfc1739cea50411b282e8c13e84d37ba0c59f12fe395e840515166b4b783", 0xb3}, {&(0x7f0000000480)="0fa94005a2d3e549d32f6f71fbc1c264aca6886d9b4facd2b7cdc8ce624c51536652f70598cb24b04bb8f197ddff9359de79c4c9283df6157ce040af935367e1ef1e111097462786dc5f48d5c8faf58d554b8ebb36404ed51d906a46626733675c2b99caf5d930a65f9d3a6c04ac5d418ef99a119a844ce55fcdaae5ca6522b6dfc793c190c47e74b513f66366a9de37c3059264fc4244fd63ff2304dea195c9e4cdbbef4db2dd87fa23dbeab67157915675ee4d6b390a", 0xb7}], 0x2, &(0x7f0000000880)=[@sndrcv={0x2c, 0x84, 0x1, {0x9, 0x3fc0000, 0x3, 0x8, 0x800, 0x6, 0x7, 0xb60, r3}}, @init={0x14, 0x84, 0x0, {0x800, 0x6, 0x4, 0x100}}, @init={0x14, 0x84, 0x0, {0x8, 0xd3, 0xfffffffffffffff9, 0x8000}}, @sndinfo={0x1c, 0x84, 0x2, {0x1, 0x8, 0x80, 0x100000000, r4}}, @sndinfo={0x1c, 0x84, 0x2, {0x0, 0x1, 0x1ff, 0x8, r5}}, @sndinfo={0x1c, 0x84, 0x2, {0xffffffffffffffd0, 0x20e, 0x6, 0x7c2, r6}}, @init={0x14, 0x84, 0x0, {0x100000000, 0x1ff, 0x6, 0x7}}, @sndinfo={0x1c, 0x84, 0x2, {0xffffffffffffff81, 0x4, 0xffffffff7fffffff, 0x2e8855eb, r7}}, @sndrcv={0x2c, 0x84, 0x1, {0x8, 0x40, 0x208, 0x8001, 0x2, 0xe74c, 0x8, 0x3, r8}}], 0x18c, 0xc800}, {&(0x7f0000000a40)=@in={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10, &(0x7f0000001000)=[{&(0x7f0000000a80)="f0", 0x1}, {&(0x7f0000000ac0)="6e62058383a95ad17f844f1120eed9514226fbbc4c7c668c30531ef4c476f2a35e33f0ebe6d9e16ae64f5de3f3a771543c27a327d722d18d4d8eaadaf89e7dd228e91f3e2e3b911e8730a3bf4cf01240b55d296df74b40a196d4d54da0aec5fc4f8f69f5c8b7b2a2688e5d236cea79638c2e77bfdc5e5a85133b8220084f175bfadfa65905f27d71f0b354db767c095e1480a7f34164ed12b86f47669972ba7061b2993dc4e3fb18f599a1208928cb01bd070525559bdfce1512367efce3c2f472e239fe3c629399aa210ce807", 0xcd}, {&(0x7f0000000bc0)="a408541ed2bf2ea897a8be791046fb852eab36dcac4ed4389744b58ea605b40e00bc34f4d1ab4e37c5713238c7f5427945648e222231abbdb7d1b7a921756d06ee34fd5e32035038b2b35913203bdf883cc1b79a053d2708f4e34e8f65b0798b89260004bb11cf30baab21a40ba01d04dab166d003dd0fd0262377436316b9b3eea9c8d7df58af69b0b9e1cdbee08e89f835ced6bf8bb14b244f8fd789db9865707e9f2696057bd03932e935b3415bd4a8011b3a75e01ef3f89810338c44fdff3cb110d0ebd5a7996d651cacdd0cc7135577eb31cbad069a79133d15019e4176bb1e213903", 0xe5}, {&(0x7f0000000cc0)="bb202fb69f5732918860ae880933d97b10e0e3316e2855c9e307893163df964e859d08bc32663b8652d28a6bd1044b1cd2207ba7ae0e93f357a463ecb87aa903c9ae33869e21a821a55a", 0x4a}, {&(0x7f0000000d40)="d7b2297f406d1039bdc4f8933f6d31f7927a02fe4b530c3a8be3088fdd816aa0397f3c4a1defbb896bb706151457175591f0ffdce8ced257c0081df20c1273577f00fdc11fb4ef980169f78f0722b6a97bc9a5af71ac09cd8945540c872151ae4b5a88b381e93408f3eeadbae0cc1f318b223cf23d7c776e849bffcd3cc4a36f8b0d70e7e5b68990cd295ab2b011cfa5421298b1", 0x94}, {&(0x7f0000000e00)="8643eb2b2ac2cf2825d04eff2766c6209e09dcf9ce1f07c8b2a0582916eda8304ee98bb6af643dc54b871702bbcced23ae8dda0c42abf5148e2548e592330023", 0x40}, {&(0x7f0000000e40)="5177786d25dde6308a68d213c076505d97a9e345e56653325e1268392f8b90c30d47814e63b956fc2a7d5ea51cbf48d4a72849732363611bba2d4d084d568046b7baa7ba87b2506af5cedd9697f674182293e9ee33e5d58872f8ade5e1c5ad3499b1b38b44c0", 0x66}, {&(0x7f0000000ec0)="01dfc438742d8360fec5bc2cf2c84668282b4e358791e7285ff6ab70d56cb1d9ccac7562664263b2eeffb25bfabb1fb0e14eaac065344248282fcd35f6a183ba36c84a44e621cb06d335158a5762c4a82a9cdca0a190d82e9b6d475e8c6177a0a8202268d8d0b7caa601e5deb178f0fcafa7af90177f026cc8bc8858183d968860e4da6212f7c02572664e15d5bc65711e1c7e8b061f0ce4401b671754f730c99b2804852b99344ff3967478a9d6edb71b60106c812593fd3aa470f69a5c5185fd0c1903b342c9a5c4ac89f70982db90ff44c719c54c76e82cd9b9d2d3d1eb6b4f93a85de83188ee6f0d838ac110e3b34a8b1d", 0xf3}, {&(0x7f0000000fc0)="a0b2a67f5e193cc0be51a78cbe1480065d6d5c432ca50b30a7ac466eabe38ee7a7b32282a6e76286085d1d1a51aa8fa397caa5", 0x33}], 0x9, 0x0, 0x0, 0x24048800}, {&(0x7f0000001080)=@in6={0xa, 0x4e20, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0xff}, 0x1c, &(0x7f0000001100)=[{&(0x7f00000010c0)="13b9798b0ff027219dcbba44a8285dfc559128d99892fc4f81430af3694ecf9314e19d4110fb0d6c0003273c57385a30794c88", 0x33}], 0x1, &(0x7f0000001340)=[@sndinfo={0x1c, 0x84, 0x2, {0x4, 0x8000, 0x9, 0x7, r9}}, @init={0x14, 0x84, 0x0, {0x7, 0x6cf3, 0x20, 0x6}}, @sndrcv={0x2c, 0x84, 0x1, {0xff, 0x2, 0xb, 0x4cbc, 0x8c1, 0xa6b, 0x2, 0x3, r10}}, @sndrcv={0x2c, 0x84, 0x1, {0x6, 0xeac9, 0x4, 0xf5, 0x3ff, 0xd91b, 0x7f, 0x6, r11}}], 0xb0, 0xc081}, {&(0x7f0000001400)=@in={0x2, 0x4e22, @broadcast=0xffffffff}, 0x10, &(0x7f00000019c0)=[{&(0x7f0000001440)="78938b40c35608271fb3098a02f9c065bc94b12427aa6d0aa7f2a5eaf5e1bd3aa990397ad6fc8cee9e20568c5b2fa5f41bbe4b4755fa5b79a0c44593fe9bb3817d7d832160fc0abd91cc56e365d3de568f8bf62c7f61dbb655d65d8f8a760cb9f4279ebbaa88e68323c7270f114617d449591a6c5c86d9a5172c925c5567f342b5548a70da5f247f555e5cce2c8820026d8238eec0583d5bf599eebcd4f8aa86d53be5272dbc848b9f17a41b8be6174cc418a835039eeddcb15373aaf3c543296e124d8fe31ed32181e1bce52f949ae269d00bfd9b", 0xd5}, {&(0x7f0000001540)="81c75a7b8d675e09d8fcba998305bdeb304f6170a5d7fe56c013b99c1d382ea32347014e341a87007c57e2a5df5a2fe1d91f7770a64aa066aa52672982cf53336d8379e32723caaae1226994e0680a377b02bc9cdc8f28f476b3359f2aa1f89a58a8e2c97eea5784361df557de44a47c9e84932d936392b0941ebf8e7e2fccfc0de5cd238e3e964d2ade84e56ca3e78513257781fa66a254951f39e910f036625eaf1346b6", 0xa5}, {&(0x7f0000001600)="88a7842367b63b74aefd418a09c637062ea51fd4cfa8c91f00f42592159e9603154031dc7941b238178b58a04802b6962cacb22a985938f47ad99592ab5e2b40238c26150c17bab28550d3e5a455729d4648c14878350a8c867a62effdd8850c6d1edfb4206ea09a5fba7277147084ab6a9ff8765e", 0x75}, {&(0x7f0000001680)="0e8272d426253df6d74d863c6f03683743f48b475f4cb68f126d245ada4139f16bcd0f4a7989a20c8d589036f1e9a96792c9e55b52cbc02a9e5908377ac9479bf1ac527dfbb00c4ba8888b902a866b47bce27d8b8b52c0dccee5c1f0a5c59be11660afbb5b330c449a682828a9ff51d537f41cc1ee582688fffb09bf8fa90d1710f12d05cb6276dc23dcfe2658b3c00d7c24007f05a0a1e5b96aa366cf6abdb096ee4ec1861e0762ea87ac23a3f52fa4d4dc92c07c767b727459a5cb2809f8a28eef6d61b62fd378c34f20d350e643e11e779da0bda1bca542146ce54082699e94579c7d6642f9bd65dffc9c4cb853952e0cdbd9bebe2a61a60fdba117a2", 0xfe}, {&(0x7f0000001780)="def554536134e9682f3140dbde9e8c1a829a22897841b1230d23129ee5a40606251fa6debb09407cd23cdc36a8692557c48c4ef1065fb936a66fc26142ef85650c14913fd7df321f337655c3d0fdcf058621fcb4eda0870ba2699c442d48be99eae02a7edac06d48dd4b3ca395851fcbc3ef80272c027dadab44ba90522bcfa509a57795a4157cf132e11e73537012174e8cf4e9a2a8f19fd19a9033c58355b8a7d4cce349848af86af08799bdadae612d3572e2ef1a819a127fa56bb12225fba0e2c160e40ab4", 0xc7}, {&(0x7f0000001880)="9f382ab195acdf28a214e5e2b09575cd586f59bd60d679447c27b0e673b5322eea98904cf7bdde4c929927862d7a00eb0bffd06bf482729623316dee5d542d77e641b71a595419de694df49c64eb7f94dbe36a7337d680945c2fb434d76df2469a4927abfd5fb88b76f38b82107cddc31afe24aede73b1dd3fee3eeedfe4c6a4c54f7681b0901fc4c68609544763dd8ad36fcc222efcdd87f8f622da2b975e5828a60c489580018e752789cb904f7fb501a617e4cf768a99d239fab0cf0e0a", 0xbf}, {&(0x7f0000001940)="7aac79fb93626fee01c96165401a4a3a18983d9a0b03c4a109ef99aff399285c2bbab930ca129b24605835096059dd2be02d5e598fc4c2dcf1ce15fc", 0x3c}, {&(0x7f0000001980)}], 0x8, 0x0, 0x0, 0x94}, {&(0x7f0000001a00)=@in={0x2, 0x4e21, @loopback=0x7f000001}, 0x10, &(0x7f0000001d00)=[{&(0x7f0000001a40)="d3beacbdd155a7e047598cb952cb7ec70d7d6d539d44fc2d5087596e9cd25068fb09a853cc9b5320458e8f6587972ea2c69b99574f28e3ade369cfc9871cb26ac012fce3084ccb03246fdcaeceb5af3450b619f4f831fcec56f17cb007b37f8aa9159bf41028f359ce7ccde1bdbfb64add0173a2bdb918adfc19408bd57f66671861776e15191ae83d3db0920fcaae4d6aae497f77a9826e648c4ea5826ac78bb14f9ba5213454e2930b0c22bc91374e800a263b17e7c340596a05b57ac79dbc9cff61a076002ed8", 0xc8}, {&(0x7f0000001b40)="847390a0fee9960c9f9125c056f79021bb9603c4a1580378cab4f2c5a33b18a2523da41ace76b27e2553b342041dd092a90a60bccbfb7b3aa80002675247c535fcc5952b3cb138e5d6fb49c53f4a8838f85e54e3fe444b623615286a2745b2da80c35e236b0e16aa6bd5883f7d433ac728a1e52d02e0c4eb973a391189c8b8987b8f68bf4663ff6df224851d31adb4b9e5aa07", 0x93}, {&(0x7f0000001c00)}, {&(0x7f0000001c40)="27305d711fe1e3600b23aa9aa043cc8166f3e886aa4f7987487db8ecbc90223f607409c5ef26070a5046b871163781c06d7a56d8630eb74c29bc446ef2352284402fdddba65eb646d17e953fcb9273891007271c14c0d7f30fe8d03dbab6e52df4bb037a0625b2203e30aa7ac93d1f6d2c1f2567fd09831f0c710e47ff6d201892e9278a1be33022287f13bfa9d0eaee8379592a", 0x94}], 0x4, &(0x7f0000002040)=[@init={0x14, 0x84, 0x0, {0x401, 0x80000001, 0x7, 0x8}}, @sndinfo={0x1c, 0x84, 0x2, {0x7e0, 0x8008, 0x1d, 0x4, r12}}, @sndrcv={0x2c, 0x84, 0x1, {0x7, 0x5, 0x1, 0x80, 0xfa, 0x79c2, 0x29, 0x6f885f11, r13}}, @sndrcv={0x2c, 0x84, 0x1, {0x3, 0x8, 0x820d, 0xffffffff, 0x9, 0x4, 0x6, 0x5, r14}}, @init={0x14, 0x84, 0x0, {0x100, 0x1e5, 0x7, 0x9}}, @sndrcv={0x2c, 0x84, 0x1, {0x6, 0x96, 0x208, 0x43c2, 0x5, 0x4, 0x3f, 0x7fffffff, r15}}], 0x108, 0x20000800}, {&(0x7f0000002180)=@in={0x2, 0x4e24, @loopback=0x7f000001}, 0x10, &(0x7f0000003340)=[{&(0x7f00000021c0)="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0x1000}, {&(0x7f00000031c0)="52ac6f7dad08743d518a488430e594e48dacecea412042d1d3d75796a6e870239489f6bcc2f4729d80c3f707845d9f068c768bd3f463f4c0e393a3d340517a734e3677a4068be9993882d5db64da222e2ced32fb67b97a2f4f7047", 0x5b}, {&(0x7f0000003240)="0871286c3735419ecbf5d245c3d30e88052daa6294dc46bcfaed25c259c91d67432f811e257746739c9b9b27a42bb7dae152b516bcb7287912b6", 0x3a}, {&(0x7f0000003280)="b2819344bafc3fa89bb97b6f5d7c71ddda73986b3a9b36c2e966d4069cafe89a737f85f87529169da6b0a43ab07bbfbd48a3aea705c468c3e8633b70ddf0f3664720a614953c99512209c39cf083379eafc5c39c6f02d6cb12c97a886c545529d586fbb8326d2f3adee81f75dd867e1e28396e4da8eb6e8773864f55b02b21bd4bf84a", 0x83}], 0x4, &(0x7f0000003380)=[@init={0x14, 0x84, 0x0, {0x100, 0x4, 0x3, 0x8001}}], 0x2c, 0xc0}, {&(0x7f00000033c0)=@in={0x2, 0x4e21, @loopback=0x7f000001}, 0x10, &(0x7f0000003580)=[{&(0x7f0000003400)="c9214e8fe922316f019d1c033eb4bf98a731c5027f9bd56e509f55cfd7d4b26318a8cb6107746c5a8b56b315cbcab477c3729b25bb9c0486198c0dfaf36a8e2f2904d327899629345ee4247dc5286b45d4e845ecf8725ec4270459a6835a9d1163eb4b886f39a470b8b52faf6f79dfda8cd063bbea2ac234b05e8be812c67a8796d057caec833ebed98308e64686fe39f56e", 0x92}, {&(0x7f00000034c0)="4a978dea31be1483", 0x8}, {&(0x7f0000003500)="2d51b0d812214a0478c7f217de9f217114b899da0ba3cbf731601ad426203566345fd8e8217fa587c9d2bb2f6bee585a2cd099fca10b56a593ba413ef1c7d323dfb4d1f4d622ee47b917ef2249fbf3e51d3ab22de0a6744d4c4b7fd6c6b9cb3acc6dec0f9dfcf3b314d597f0169fb8d37a0dac6e949b426ce5953dcbf8", 0x7d}], 0x3, &(0x7f0000003740)=[@sndinfo={0x1c, 0x84, 0x2, {0x80000001, 0x0, 0xdd, 0x9, r16}}, @sndinfo={0x1c, 0x84, 0x2, {0x3, 0x2, 0x4, 0x2, r17}}, @sndinfo={0x1c, 0x84, 0x2, {0x1, 0xa, 0x100, 0x3, r18}}, @init={0x14, 0x84, 0x0, {0x5, 0x1, 0x401, 0x7}}], 0xb0, 0x4}, {&(0x7f0000003800)=@in6={0xa, 0x4e21, 0x2, @loopback={0x0, 0x1}, 0x2}, 0x1c, &(0x7f0000003ec0)=[{&(0x7f0000003840)="8316154be97e3f909d9ab60be80a9b3b3bfb88d0bcf2240cc147e445089509fe678114bc5e54fa543ac006a7b5af375f5092c2e73c6a0eedceac2cbb9b1efda9ba2b35657e563911e8bb82ad92cc95b554da4065c6d17aaecc08051f517ea0f2f0ea32ecb2c37bda333e283980e336fe861ccb3d2c63851227a207c5080652e041b6038a97ff7407487019f2b7edbdb008a42f1caaa329a56f31fee4dde11a1107a4e0adaed8ec9b6c06a3dd962872d574a496c00019453c9e63f41a0b5a46196ead963f220f651145352d3ea9669b1d7df040a75e45834452d747d8fc580b1d353c55aa7faf4dea008a2786", 0xec}, {&(0x7f0000003940)="7704a15a1a7d02230b3a766c2529f785dd920a91afef63cf783c5071b29ec6001ab6785479d03514407340fb259e1daf8423d10b5353bc3f31e3e54550cb8c8f9343f3d60a1d07f6e1e485f9d48970", 0x4f}, {&(0x7f00000039c0)="890f29a4e33240e2d6dfe58acbdd0c33b5429436d9317587992bbde1a2e2f801f48e3dfbbf0a4d9a4c6afb73f378abaa718ced8b3e425856361c7130f00da3c3eacf7bf3ee2c731c9c0249eb02b9ed248c926f97aafee54bbf861e36d2bdf2b92b9c18412b0f5db7ff3d5f489d9cb05b27bd75397cef1abe82d937ff138c4559de759014ae4dc8384b9084e7d796cf193a9dc92734788119775440af75dc6bec1289b3005c9011e90c280b6ae24a7b968eb053010b65ab1ab771d9e19b39071cead55fdb98ecd071ced9c1a0abbdaddbe25ee8ac4ae81a8a58b57950", 0xdc}, {&(0x7f0000003ac0)="6cba985bfaf7234ff34e8aad1e04131c0cbbbca554016c7872e1d7e6ee4978d64b5b051884e0bbc97c4549b1086dffc9f1d982ed761d3bb7fed89f58cf3c1107b9f9b6cb57e0205770062534e1c8caad7e343cf0160db7b22f5a5c944f417c8882aa12f2a1a9ea923cac91f72218e69f4502137d92632f593b61eb492e058721b697deb8c8d5", 0x86}, {&(0x7f0000003b80)}, {&(0x7f0000003bc0)="337a08ccc89f53a70e05dc7d08fd890c8407427f991b3da34b11f061eb3f6bf5f1c0027180f6c243e0fb40ce4011d3db60ed974af0dee9b05bf1a053be34ed8862e76d3266629a1bf5b7b9cfaaffbab7583d26ef48c3648c9d339100b0e4514786bd14b677c3acdd908f6b20dcb1310c1031cedbab0604c74a8ff428ce5a4d2ccf8de2b8f9b4218938899ca15568d338a162f5f7016c282af1f8faff801cc55ce1610d7514c74d4ffc5f3301e2dfd4b6bbb6d7326584a783e4149d65810b303a28110a6e0211226f720b4528153497e446205980e67932a105474369caf7e3133fa1e51ace0b1bc59ee8fdbeb0e07321318acbac8919", 0xf6}, {&(0x7f0000003cc0)="123c227595703b1141d0d3fae293546cd972efa2068b88d222f15cabaec1a047354b019c885697d676807b35f845c6ae2f389d2ea44496a21162f1f27f24baad125cee2ffab42e70dda9d99a03de027642cb884a52a47fac0f811e40f0581bc6b70df9e4de08b7b9f4b785c48bf91e8c4a126c0df0cba2d320bdbd2743bc1d8b5221a3196ea5ea7c9c9419a6727b1f3e6413b629a15074c4800f3d589465a13412eb8af9316651df60accdd7417d02b6da44fa05652c367dcdba43a9ae1ce438255c3accedb251a3907c5782f01260", 0xcf}, {&(0x7f0000003dc0)="ccc0e84d9b9588f0a26159f46fcbbbcb6c0268780982229165256d9df235ee465a49b0e13cd8bbf92eeb5df01a6720de22c8b9882d25bdd23af8ca767af3febc885a5d2c9348db6a100de4019b8d0b3731520ff97791ad0604b926592cf6dd384b58b84eb7b0f36bc5c2f7be7aefd8a1d1e288c0e0f12799347bd891c427cd2aa4bf1e88351519b90cae60bbb975e02e0ba09d4b8a9ab227184de7df43002acc948a01e168143cc037371fe0c89c6a9e3a74584d5bc09494232f3d1e06fffe8693efe42b41804a6a33de09845b2b7b300467755d8ed9d6acee41a4ba2f8096eccb", 0xe1}], 0x8, &(0x7f0000004100)=[@sndinfo={0x1c, 0x84, 0x2, {0x5, 0x20f, 0x5, 0x1, r19}}, @sndinfo={0x1c, 0x84, 0x2, {0x6, 0x200, 0x81, 0x9, r20}}, @sndinfo={0x1c, 0x84, 0x2, {0xffffffff, 0x4, 0x81, 0x21d, r21}}, @init={0x14, 0x84, 0x0, {0x10001, 0x3ff, 0x4, 0x8}}, @sndinfo={0x1c, 0x84, 0x2, {0xdaf, 0x8000, 0x0, 0x4, r22}}], 0xdc, 0x80d0}], 0x9, 0x24000000) 2018/04/21 01:57:03 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 703.253348] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:03 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000000)=0x5, 0x4) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$IP_VS_SO_GET_VERSION(r1, 0x0, 0x480, &(0x7f0000000040), &(0x7f0000000080)=0x40) 2018/04/21 01:57:03 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000000)=0x3, 0x4) ftruncate(r1, 0x800) ioctl$SIOCGIFMTU(r1, 0x8921, &(0x7f0000000040)) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r1, 0x54a2) fsync(r0) sigaltstack(&(0x7f00004dc000/0x2000)=nil, &(0x7f0000000000)) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getpeername$netlink(r1, &(0x7f0000000140), &(0x7f0000000180)=0xc) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f00000001c0)) fsetxattr(r0, &(0x7f00000000c0)=@known='system.sockprotoname\x00', &(0x7f0000000100)="74086e750000000000000000008c00", 0xf, 0x1) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x85) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = socket$inet_udp(0x2, 0x2, 0x0) sendmsg(r0, &(0x7f0000002980)={&(0x7f0000000000)=@un=@abs={0x0, 0x0, 0x4e23}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000200)="05d19f6eddd364dbfedc3919e20180b0c8771650f273406343a6539d777eb23c26a34d52410a5cf964b96ca5f1b896fc937334fe71be5c4fee5c410cbbe355856d46c3a4ff25b793ded7bc6dd098769e04182ae040696b72a6d09a09371957997b7dae97d23260ef88b5be21af3b38e90e8ce8ae1fd17b3305ca2ee1dc48cf08af0ba780e8cbf721d82fe6cb9eb32635f9272cebc561b355a88e928dab0f7badcc9c3a944a075e", 0xa7}, {&(0x7f00000000c0)="e3478fce0cc345d01c8cdad5ea9a289a211b0c43f242db265f861d940530ee85d12210dfeb94af3fcd0039ab60319cda735f01a49c5ff2b4cf0fe1a6829ed109738c02c5a8a8f130a6d1df8437c464fc2a6f1022964abedc4a4a5522baf3ebcb", 0x60}, {&(0x7f00000002c0)="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", 0xff}, {&(0x7f0000000480)="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0x1000}, {&(0x7f00000003c0)="97707384b61d555141c4821439284fb6d0657376550500d85db8f06909d98c1b05b4918a709a0a7f496b09857a17f7776ee0e1", 0x33}, {&(0x7f0000001480)="1d20eaa9640fcd5f1d56a5b53ddb63492536353f69cca64cd2fcae346c14d8b853c4ce275aeced54d7b67b4d2d70c5545c06b557619ad00df9619b868b238d531433422dd5e15cdc7b9050d207cc3a643c3389b8ebc649765aa355c6c0ddf57a754570907268f68f54f0fd67519ab015fe24c6da092b5aa79ba912cbe1e124b0321577a3eb81422f4a691b06f2706f24a21520acbeae0bb0a3057b6baa6ce2caa48e451cea241ae5f908965561cbaba72ecbece1f3dde5edf4954c0258f1f63de734d0e6b69b75d76b7b806c5db4d60c2b", 0xd1}, {&(0x7f0000001580)="9b0b52bd5101e5c5a64a14d182a3b99c7f87eea2203ac0c33d61b28663428b8024e0ef52c4b5c5e9600ac73b95ac20e84901c502c98afc4ba42cbdf4958084904450aed672f3435ce8760c56e83cabebd7307d80ce1d1813d15a64421c3bc5c325261089d98327750c41358874f8a637fa3ad2e2f74e276d28992500fc8ee506433c1fd72e016d14dde25e1d979825544e37f830736d6e18b81997bc30317603bf1be6057b1b4bf833507dda3b898d1d05dd5c9ba9828694381f7a00d90ea719b2ac2202fcc41bddb0f7eb24b4f3abd5abf0ece2ec9c346c", 0xd8}], 0x7, &(0x7f0000001680)=[{0xd8, 0x104, 0x7fffffff, "eccdb7b1f12ba814e67064de66e49f1f4cf827c7e5b330edc023033eb32d08a34151a6dfdc940dceba6443aca735e3e45ccf876099baf2fd7b8951fb6e6985346b21c5f3f4662aacb404dee08064a07876b02454b6a08f05e8d764bea5118ba5b457c77146395497a51b579a722cd0fa2927dacd5bfac3733e8eecb05944b7a91dd3e87844d1ba481c14227c168f1963659e2c2a9ecca5237e78f0a203c04cf9eec5954d09e9f71d1c798e6a53097ff585a62351b945a742cece64be1bde45036f1ba285ccf24f10f4ff9d5e"}, {0xe0, 0x110, 0x10001, "36423ee47e9fae6a950a1d0c1f5badcd140c50d5ee9409fe7d8c15ede47d314f60e77d64c1723a623c8ff2fb2c0d77045562699b13b78be43cbce935084ca141a638ac4a6d09c18c3ac95ec409a90963620238c6eec0f65c530c5c5898504bb8afe4db11025ab3e687ead73a32cd7c84968cc1a63b20894e7e3c027727bea00d5877a0e6d1be6651940dc3b27c46addd763ab8bd1a591be9f72135c425261c457f8e7db662ed307dd2e0efcd25e22d7c662cdb0d739ffc65f169e0104a2bcb34fcd49d38036c6853cf294eff36f1d9615243"}, {0x84, 0x11f, 0x1, "a2adbddf19297c7338e18e995d0f2ee4eebaa5953b9bac621b82edfdea0f0e8bd5b825c46e36e2bd03a7a3da5b2d8acadd79381f5182a5b8bc7745a5455ba95cfa1394110e6c3700eba0f3d0429ac9e8853ccc9cb9a3aecfaaa8aa14c3caa836cb6629b7f9bc06ff87b41d868626dcca3455b128caa46a0e"}, {0x18, 0x118, 0x4, "1beb7311c2f2216eea"}, {0x100c, 0x11b, 0x27, "83bb5608bcbcad997ea12d0f3a9008553b4cf3b3685267b4f3c9dc7e4cb65d859d8d358a9830769a9d9a3ef7714862be2a49c715a1b933eb00e4d2295e98d114d9a1684f67dfd42bf8f07dd67cdd2430d0132ed405b15577e801b37eb8670ce0ca804da3b6d681df4a29a7246603f3aa3e2fbdabb0fb60952494f948300bea24a59a13aeea9421836d72da6affd9f344ca3504fb31cea4572b9ff8353b538899475c30d141a701500943cd1b3be09e7c937d51c54f8f3d79c6d6887ee81b8e61bca70ef2ac15eadc98b7eafae77afea71deb4d2d770613da9d3669c5d5c03499389620dbc29c585d1e0919d451d63539742ccd7df19151beefc3de0a7f7c0f3f7e375cce8a81d3d4e729c07bfa3c51792f75b6821534c102fce83c41c7c67444122582fbff0a930deca0144a880d42984ffc513e34a294d99dd6612cb767a4b5cb87a15f65ec71e3d0dcf5d584117f58feb0dc9b1ce3646ab7b996b9f7062ba36cd28a5593a5beadef89e7853c1fb8a0ed8d32caea64b3f71a02e7c27e81ecebcb73f4e3d1cd40e024a24b5c356088bc0594673890171188af48804e0afb3fe5adab464f26fd02a12cc9d8fca1a3a758c2965b67c31b0853937004bf83416a7572cde713d04d0eb61b739468971197019a9d35a850bc44ceca525d7f36822761c3a0d84b1786149eb0555c2d340ba2f19ddf39fb36ef27233a98423926d37bedf5ec7273c24d3badb80357f018ebb40f2a1f2a2c11244bbc5a24f55c359eea2124d71fcb46dfdcf7ce6311f33a84cc73ccc743088225e75e4242513c142d775159ac9335c1dd8506e2b9c1d53d7a5ac624b694f1e3d9ec1d3f8a64f7c4c1b0021455b99957ca7de20be5c9d149ff5b66ef6086f2a8fa59b277cb07333b99a5562d2218cbfa60fe519258fa580ae04017349388959c05b841c4f6cca9f50675615e6de4ce1864420a782d1ffd2b2e2c0ff8dc7f4b007c74eba2df479164ad8472d8103a123d44fb537d3b956bc377eca8a53079980e31e3324a15bbc47481363d9bae4c203d713fb241a5bd5d5929c6f197c79b0a19bbde3f3ea98a9881bca4ea4ecdb17ba2383f316608b37d1ac44f0f6b47b1c20200c7018441813f0ba64c70b63911d742fb01e374441edcd63445080d710496d159ba792d3829e6b46f1d0409eda205a5da8305675c17a2134966ec7d272a85c6139c75c9c1c340514dbad8fd81841e72b6add447ff065e34163bdf77cad7cecd18cd7acb48269197bd446e8b715b85fc3c0846528b158f417d31f4537e614c6e8f3a9c27f385b2c0ae960c9ed6f3ed810ee8891ebacb50ba745f74123a0901b27ccffac40fe7160357d298e1823112f1bf2a63748a6483b01c4e72000bda2476f13c165564fd13edb062b81c99134b654f1107d49572f125fd3e3bd103e7dd384efaeffac2f4c758980e749cdd17c2071c5d0a0917a52c3c29156781aa357597ab8cd3a16bc837bf843ac2dc535b820f10b6e27518aa1851a2a7e70eece2619386cacb35d1c4555ffe9508a8e5bc1c1de6f76acf8a665df25661bae343e8d9f5cdfdbd9ea9953d768e375cd8f09aedd201c0547821b2db2b065de5f828ad9643be7308f93c5b3bfc1e375fb797961eaea9109cdddd3c611563301135ce7adeabe39a4a89a4c72abdb9cf8aa1e6b3222af3951c55e8c8c32d1a75bbc233c7d6c76e2c271382b18f126b7673c9ccd360cb2f5fdbe08ee130165fbdc1f86775da0c4b72a12f7cbe9f1d55737b9419d6d4857543ce6e50bd07f42dc7974ba52faf501e91d5fda03f67f89a5f9ca9b6d2ff427a59721c1abf20f685a807501c29173f7c07ffe950a809d9c09ced77bbbc73ba93fe090e36d68baeac2ddff256eb69b3f24201f831dc1e9a87e043955a0d1fd3d3380c71f32e1e7e25f02cd044efd6d8fb2635145a22e81a9741af8895be8b1134fe64c65127af01c69da2a48ab29ced99034596fa61bd817876141f0affef9244a1e74d1718326f422644d1bc2e677768233ed406c3f0d033683afed8d41fb82ee902a6a147da7424a54db2cb6c7a35c6695fde18291a11e7f3723c47523a8d7543732719e0e5a54e4aee3da19aa17999aa2b23061f79ee5bce493354ed72161491c42c440cff1d4e4ac7faf5664464bf116bc2f4037eb68b3a666d3e93b0be39a7af90c9f1f9dc570f72d7b2b8847c11751d820330c377c81d8989822e1bd769e07c8a4dd3592627329cf852df3264f6a9546e0c4ac33b1164497906a250b9c4f917966b23021cd8c3b2467c37456ecdc233ce65ba87b68d9a8d0ae707f7f235062f4cba865e122ffec259be0a56379e089fcf8f89e7333b887af5ff0cc2aca37c795d4013b260295f8401016b93765d0fd7b8116d7830044acf2a8ed84b4e6ed2f2c83b64b54731ee4b7de7b1c9ecb6ec87ac3cdfbd69ab807e3d4cb83e7cf61be18090f454206eccec9ae9dd95f8007d3caf8255dd04ddad0286d4bf484b89358708606835dc1f6c0318ad339956b15f1b69f46ec9b8ecd9ebaeae189038fadc66548ab730992b46fc9934155a1fea61bb314259046553cad93eaa1284b4dcec55ac63344723358a16f1fe5c3b66490b0ff848edf1af9aa3c7b6cf2765a8a8c518a52b133ef103a8b0efa8b6f26f4a9af7b7d6d31b9c7b746c68187c7ac0c840df4d8e86b10c5e94eaa933ff4673fa35ef80f5c35f1fae1c767d1631c5e935a717d6a51a3893601b7bd1e169bfb4efa475ab3a5fad3a406cf4df0e213e67ae6981cae72fec9d21311b131a64b04775a4e74cea237e4c88e177e13b72c3feea1bb3d9d3ebe184074e2508efe8a6d8803cb1dbe24e75cc9683ebf69ad970d99ae8ca54c8b5c41f2b227ebeb43c37b06ec80a8ecb51396844596adcedcdebc83fb306bcb1cfe2ed5e398bb71a294e57a159bb7f7da5c8178c9d8344eb6fa2cf635d88d51228fe52b041087ad84c8c1d5e07105cccdc22a2f17ebd6bdf717250f80e385304480a3ff9619ebd1c138b24b914870ca8a9cac92b6916ee8259742c16f92ac0a9d0af73acee4b1e209df88b35e6c2e37e52fd792ae81e6cd84ed6b05376bf3d544fea87514b15c95d4996bb938a152320685649f7aa958173322383ae063be0ce3c7b86fef2b2711754900b2ae237e7856ee67938ae3c021b1156e64da5f1a1d34935ad4b4a3b35ec92a961078aea4263bb1f1d0c81442514b1954a55f999f2ee95ae9f2c1b84ed612e4fcde971a0dcc140e6c96afa4c0d96ff8aa583609045f281986b5690d6528db7baa2b4c75f429c6f398e6edc77d86f58a5457383da4b73d2c537e478386d218167a34d9f0d0b2af02cdc00b2c8dc3a21971652e60f70c401b9420ef5976b9e79c723af13772dc2ce01f719e5104cd5ad4c8501206812c4d942f51028034a03dd795e8dd12b6c19ae35023e852cf631a551d4778b922618c575320341da1cc813b51fbc636f082a45fe852a1901e4f0c2f13e81ab2f41375e5a5af2a8993d3766a16d1da5be12b3e9d9f7fa6a5bcbed9114584c0930c66d367b450e225770026285511c3d25e7643368e4cac2c75166b17bdf091e60905d9b4e80388753258fd36685efcaa4d4519cd0ef0b20fb930fa095fe366a3c880badde07fb850e67714747004a6aad7b6870ce204ccd7212c551b5a5bd67a1332e7df340dc94e467c015312581245fbc99e99f5cbacf6fd346925a028b17f3d6c0ee1057fe7f707c1971d205de5c74dbc1fe69fe9b79d184398a4107d7b6d028fca5bb5f31a59c2a762405eedebca0e6b78df0cf93936cefbaa6acdcbc15a63e941801e54447000543bec2b0db88e75e033a6866b1c1acba8e3b63ad2df4b774503584f8e7c8d61ef87be6ab5308b8d8eb012885c308961c97ab92b767476668e2635d85e646897c68e51d4a3f0eedae186aafa62d2c8f2fbfd912d9c8db7a79364fbaba2fe08b249bfc6d0e691f4180f9b3e5462acd09c657b256158c2bab7310cd22cee1be9113e79facc0e06e51c1f7f22716b537882a79c82e94a53c0b81c59e1e1a6b87025fa46eb2bc2fa8a904ee4d9affc220b9f9195660861f1b174e514889cb783fbdd002965f43742cf3b516a6b87a524b8c077ca31755666ea2675d5969c08f72cb5f3bf32df5cf37f86d973533293ba97d0b831b697871b90814b87dc5d448cc008e702249fa7bca21d02ec1f401980c243b27dad41596eaf8ac60bd7d775b492d4b33555f13c1a5217942512d9eddf715accb4500e7cbbc1b7cb12df638adc7539af9100a208993b4801617669b0b123dbb21bab995d5d13505748d9db3e70849574374f8cf3c37e4a5be35d4e5d330c47be78c3beeba996078df530ed7eec40b402cf82074bb4b3d5f5ceac51d393c897ea5fcf8f8c91034bef7723735390da78b8cfe194ad2ca2470b42e82e9dd33d96910204ebbdb903906a03cced387154548cc7fdc4f51c4ef68ea223794eb74d2cc71989495adb0b4ff63f5aeb30061b3fd4fc3a362c014ea0bd82b7ab68d028590b0f199ea5d706a27ea8a750fbd20103e21b441ea9cd176a1fd57d980a4b79f4620ca24d5116fa0e1bf3e19f38108893dacf9e0b2720bc6baabc9bc18f02dcd67d5745c36c992ce1e1efeb15f4379218bd0d033dfa36ca2d20aa1fd89cb1ab60d41a6ecc7362fd1489917fdabe30c188079e46a951dbd303840dcf44f7594c2d792a62126c3f3ab35db432dbcadaa4fbdf7cd378ef772714b7907d8d1e085e0a2ecbfb088bc21b31fc2ba6fab63c3b9f264c2463807b7bf4d29a6186461c83d66649fd8e1264c435ac06ee8b2c9695874667e2fb8da1c1132ba8583f9a190db9dfb2395687afd3700360cf019537d87ba6c1d587504ff71abf18a0c64eb898b2cc67d58489fcc95afa9f746e63e906129ff63aec89307755975848a372f77192994813b6105b41fc8ea862352bf6288a1dc7f0e98010525b78878b96b3f0d1005e1c44f462114732314158a4b8bbc8c095b026a2b6ec2ff66535128ec08c085a4a73a48a598ab805b50cf764655cba827308ba068925700ff098e1995b707473f5a4df90180156a90f6bd535098a3e0f62cf2b9e3cce56dee8609e10ab3c3561a02f7b5034a12ef23796f3f86993420d9b3f7df391b70a2ca3729567bbea17edaac1e571c093cbc34dbc65a006daa2080da5d6e15190af201909553bce28ee53f01a16ce9513b95f085c85d71bdacd108961b9850b3b75c94eafc2a2956ddfc2cb66516228639bd681d28bf45719214172be0c72a13c33c49dd2ce0241918fa714a4e1e8959cc0e15964358114d75c0e6a970d18d25f51d0aea221b0fc6922efa397115bb48b50488ad362cb9cdf20b5fc984260f5b0c1f4b4f8ecb184d104d3dfaf4edc89cd8e9e9f1c961e60d19fea659e925e5760e4d7db32a4f1bfef512c8f15460b1d83238c03d23819a9e4044f4393a006b0d46cf155ab2d5447d650ab66b882982759b048bec38682484d54f26eb35d6596fede5f9c576f90aa04f42617fa0bf1569ecb83be135d43987d721f8be16b374da3a75fc11cf15cf953081b227fc843208c53fce44bd510166324bdc0d3930635bc3860ef75e9a3df79d4fbec747a3547166d71f4e5aa78dec0fcf60eefd9d1dd94586e70f368d210eaff978b703c1ee77561dfcb8c6deaa8d728c60f07906f9a56affc89b193cf9a22813bb0a3fd84b8b5df55316da3b6e8c4d4c9a1792e619baba60f613b99a1742591ed1dc21cdc6dcf1bbc942957509a8af3a4ca0a9bc81cf11325e6e7c01905d2743"}, {0x94, 0x11f, 0x400, "97ef48ffed61b7fdeac038f68ec1a7ae4625b8898122808069e42ae4fe60000a6f65b9d6b39745740158dd142471e4097af66133db6f05ef4835c83bbd4fd6487672ed2008516c6aebc2c9fbca8b40ce177c45b817338a45cb6bb9641fad727526ada5e1df501876b3c6d726c805c5bd4c4ed4c23c7b764ae6ff7e36e53371177702b5a781bf"}], 0x12f4, 0x1}, 0x40) 2018/04/21 01:57:03 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x4080, 0x0) inotify_add_watch(r0, &(0x7f0000000140)='./file0\x00', 0x21) mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:03 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x0, 0x7fffffff, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:03 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x3) 2018/04/21 01:57:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:04 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000000)) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$DRM_IOCTL_MODE_GETCRTC(r1, 0xc06864a1, &(0x7f00000000c0)={&(0x7f0000000040)=[0x10000, 0xb0, 0x538, 0x1], 0x4, 0x2, 0x9, 0x3, 0x9, 0xffff, {0x3ff, 0x2, 0x2, 0x6, 0xffff, 0xffffffffffffff1c, 0x2, 0x2, 0x5, 0x9, 0x8, 0x1, 0x3ff, 0x6, "6b72c89f462f17740a724ac6cdc3f04712b7f8154cd5be4eeb1fee29bbfc6b31"}}) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r0, 0x4) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:04 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x0, 0xfe, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:04 executing program 4: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) ioctl$DRM_IOCTL_ADD_BUFS(r0, 0xc0186416, &(0x7f0000000000)={0x7, 0x5, 0x10000, 0x2000000000000, 0x2, 0x1000}) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:57:04 executing program 2: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x8000, 0x0) ioctl$PPPIOCSMRU(r0, 0x40047452, &(0x7f00000000c0)=0x81) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r2, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r1) sendfile(r1, r1, &(0x7f0000000080), 0x102000004) fcntl$getown(r2, 0x9) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:57:04 executing program 7: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x1, 0x20040) ioctl$TIOCSWINSZ(r0, 0x5414, &(0x7f0000000040)={0x0, 0x1ff, 0xfff, 0x7}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r0, 0x402c5342, &(0x7f00000000c0)={0xee, 0x5, 0x10001, {}, 0x9, 0x5}) 2018/04/21 01:57:04 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x1, 0x0) fcntl$getownex(r0, 0x10, &(0x7f00000000c0)={0x0, 0x0}) sendmsg$nl_generic(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x18002408}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)={0x414, 0x3e, 0xa10, 0x70bd27, 0x25dfdbfd, {0x5}, [@nested={0x2f8, 0x59, [@generic="becf0096e0b75f4874532befc0ae4a0beece613fbe232ba2cf525d9da4db7bf66be146bff60324677460b0521b09768fc0bade115ee900755eca2c5d70af", @generic="d2423a77fde5be134dcd727fc2ded66b18e5d271c6b4ed3df3cd2292d57914556d2b975f88edc41e7faed0ab6bfb1faf895718c08ef1d45daa2f567fe40b50c264a947e8d69fb167f771082c811b5d7fa52da71fba8163c15daa1d289f5dc281ce8680ca086caa507f342baa537f189e85c429f98e0b9706725ea77488a6deb719934b1fae726a6aa2a3899b5c67ff79e6569b45b4906201a5b30e74fd00c2cc2ee69201", @generic="4a99c22cf0ab23d08e25afc59136201fb7aa3528bb77896ce0854ed52b3cb2058ed4f68a26a923644325455e24b98d0b36b5f8e61e404536d6a903592bddcd48296b67f843ad7a6661b08c30766ac05f49e61b1ead147e3d203cd25c301d4bd5d4b7cdb55249", @typed={0x10, 0x66, @str='/dev/loop#\x00'}, @generic="db8877c5233e7970b71db3ea3974991aa7e7aefb6055af37f83ff8420bcbc27fd30e16cf7b31d334f075a470657eca087f737dbc1daaaf4012a4b6478b25e607682c388131dad90e71387b9250c446fd4aa8f69b823e37f137b295f801fb30103705eae13fb62e182d5dfbb2befce6774fb408c2b02bd26e210f66055df770339899c1aabb1d268d7f6fa27134e6c6a05d8fff337590fd413e0b40dda9a2b7c826d36778c60bf73e4d", @typed={0xe8, 0x9, @binary="e2a36fe72fdd9aa6495cb6de11f717691c93e05f3b5fa3e5d765e7f5bc1578e91b8741400ad0f02feb759276b175012cbddae602bc00fe3b57539b92a9936114a8cb268ec4cb7841c2da824b5d8588188fb730423b3487d64fbe5c698ad382b4f19fb92fda4955ba8cd237be8263a567429b6f2efb6460b76b7c149adc85a68f360fe493da7519cf2fab27782e1a5d61f0eceab70f89755ad9f358862a0b0fec4ac0ac7f38ed69d0449168901f220bf1f06acf50bfa0591781a900bca2000991c90e46d8bc4ed010682c3df734bf588415d41956f8af176d546979601ab41e2a614acd"}, @typed={0x8, 0x89, @pid=r2}]}, @typed={0x14, 0x9, @ipv6}, @generic="37dcb5270e8b0474cd20a74d41fd75ee8e95a2480449ede6523a79f79050722e", @generic="c1a58a8a745cf2bcd8451702194393f7373ac8aea28222d44590526da07739dd20b6e58d7b560932004199f6a052cb77d10715b965a8f481e9cb3dd51654fcc940bd8c47a47ba9cf0a595df5f9e40ca7917e25f3ca7a6cfdc90718cfcbe598bcc4a99e869ac2af5bc2c6cb086c14b0254aee86fd607ac288da14fa5271bff6728507c882cee1fdf02e4e66ba78ca332326dd695e394f3f1b8260a128620f4902ab24d9007d0fd3727b3b65fefebc7d2cb34fda70abb174f1dc033455e7bd0d403b3d535bd1a5989be5f904", @generic="28cc41ca798f"]}, 0x414}, 0x1, 0x0, 0x0, 0x4080}, 0x40001) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x300000000, 0x408180) 2018/04/21 01:57:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:57:04 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:04 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) fsync(r1) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8907, &(0x7f0000000080)) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 704.093526] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:04 executing program 5: pwrite64(0xffffffffffffffff, &(0x7f0000000000)="374464fd7d328e7323f5025428d6e25778136c97fef49bff40757c857f13e53415b7ddf19ec78600a86b2be7035c263268435941258370a0d9f290d575ea9a9a518890ba4a0741f5c6843f247dc59316e3e408ddcf30651e1a64cc9777a00ceb065e1e3551b49fae1723743c609022b926e19f3504b5fcd67df4b86a7bf06e2a87e1fed187e697f71cfd39184356106f6b91", 0x92, 0x0) r0 = socket$inet6_icmp(0xa, 0x2, 0x3a) r1 = syz_open_dev$evdev(&(0x7f00000000c0)='/dev/input/event#\x00', 0x97d, 0x4000) dup3(r0, r1, 0x80000) 2018/04/21 01:57:04 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004de000/0x4000)=nil, 0x4000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) memfd_create(&(0x7f0000000000)='/dev/loop#\x00', 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) 2018/04/21 01:57:04 executing program 1: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) write$selinux_create(r0, &(0x7f0000000140)=@access={'system_u:object_r:vmware_device_t:s0', 0x20, '/usr/lib/telepathy/mission-control-5', 0x20, 0x33, 0x39}, 0x4d) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x120) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:04 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) connect$ipx(r0, &(0x7f0000000040)={0x4, 0x80000000, 0x4, "de27c8a2c68d", 0x1f}, 0x10) 2018/04/21 01:57:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) [ 704.378408] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:04 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 704.539806] blk_update_request: I/O error, dev loop0, sector 0 [ 704.615250] blk_update_request: I/O error, dev loop0, sector 0 [ 704.767325] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000040), 0x4) ioctl$LOOP_CLR_FD(r0, 0x4c01) r2 = openat$cgroup_ro(r1, &(0x7f0000000000)='hugetlb.2MB.usage_in_bytes\x00', 0x0, 0x0) ftruncate(r2, 0x401) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$ASHMEM_GET_NAME(r2, 0x81007702, &(0x7f00000000c0)=""/92) 2018/04/21 01:57:05 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r0, &(0x7f0000000240)=[{&(0x7f00000000c0)="fbfe9ffcdc3178bdad1db7f067f1a350a8ea1cc0fb58b1a56e368f25187225ebd88d258d7951631387a2edab5062cbeaf66777c27cfd58325a86c9d3db8acc3fc54f9eaed2a2caa44fc2a5164d7960286758bcb66c4a43e308773f8ac50c5ecea4e54d228b45a01eb25453948f5891e17a5268cc6816a15a581c3cab8517cc42", 0x80}, {&(0x7f0000000140)="cf4b9201af726c6c6d507aa4bf19fc7a752a8f5759f26db7cdafdfb6655cd754a4c3e4ee79e1cd4d139d89aef5f5978b7815ebaca4ef68bc55dbf941271224e03c5b", 0x42}, {&(0x7f0000000000)="af0d93362139203a1e89e7d439128b4fcf9e2f5f14d1feae927318", 0x1b}, {&(0x7f00000004c0)="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", 0x1000}, {&(0x7f00000001c0)="edd2b9914574e680b22743716a8e79b0b4202e5f683d3cf7112a5d3f60d6c574f42e8a9b43a8e901c38b138d3644fb4f7fe687917a128fb54f9d01f5e2411cdc", 0x40}], 0x5, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:05 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000200)={0x0, 0xb3, "b30d0faadf98dd2e9fcbb872f6fc4b714e476a59a79e4f702e5df3213efa328ae3b0d4df8619527e536dfb5f1857bb44e91168c74dd1e184a52a29e54b9569cc85c350b7462324795a5b251e8fa99c137c2b9236ce6354eb1c01a0fe3f4a4cda14e43783aa1bac695b44ab7678418583b379f7a275bceaab7d4f12441ddd5d3d5063a89132baf4e1cf918b30c339cc2b4ce157d15a5721a037379d6be30de9f3854fbfc733c0be1cbb4951e32b368297f531f8"}, &(0x7f0000000040)=0xbb) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f00000000c0)={r1, 0x800}, 0x8) 2018/04/21 01:57:05 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:05 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r1) 2018/04/21 01:57:05 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000000240)=ANY=[@ANYPTR64=&(0x7f00000001c0)=ANY=[@ANYBLOB="1ea47348c1a34c55c600af452f29721b23f6e01d6d9b9f2b1fb5da465537ce0ef79223050ecd7c3f999abf41c4e8480604b83bcb6797daaf8f", @ANYRES64, @ANYRES16, @ANYRES16], @ANYBLOB="17469207cfb42f83", @ANYRES16, @ANYPTR64, @ANYRES16]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000100)='./file0\x00') symlink(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) sched_yield() mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ID(r0, 0x80042407, &(0x7f0000000180)) 2018/04/21 01:57:05 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) lseek(r0, 0x0, 0x4) ioctl$sock_ipx_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000000)={'veth1\x00', {0x4, 0x0, 0xfffffffffffffffe, "d1df3fd61a99", 0xffffffff}}) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000040)=0x1) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:05 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x8a000, 0x0) ioctl$TUNSETVNETLE(r0, 0x400454dc, &(0x7f0000000100)) ioctl$TUNGETFEATURES(r0, 0x800454cf, &(0x7f00000000c0)) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f0000000040)=0x5, 0x4) 2018/04/21 01:57:05 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:57:05 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x84) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) readlink(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=""/30, 0x1e) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000180)='veth0\x00') setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r1, 0x84, 0x15, &(0x7f00000000c0)={0x17e4}, 0x1) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000000)=0x6, 0x4) [ 705.500325] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:06 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) writev(r0, &(0x7f0000000040)=[{&(0x7f0000000000)="e0e3751c93c47189a98966cddacb7d1d63b096cd5296cea079570bd88dbda544de3ef42b28417919ce5f75bbdd50ab4c37d7cdd85c5244f4710500133dbd45ff", 0x40}, {&(0x7f0000000240)="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", 0x1000}], 0x2) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) setsockopt$netrom_NETROM_T4(r0, 0x103, 0x6, &(0x7f00000000c0)=0x1000, 0x4) fsync(0xffffffffffffffff) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x20000, 0x0) getsockopt$EBT_SO_GET_INFO(r3, 0x0, 0x80, &(0x7f0000000140)={'broute\x00'}, &(0x7f00000001c0)=0x50) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) r4 = getuid() setsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000001240)={{{@in=@loopback=0x7f000001, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x4e24, 0x6, 0x4e21, 0x0, 0xa, 0x20, 0x80, 0x7f, 0x0, r4}, {0x0, 0x100, 0x3, 0x7, 0x4, 0x401, 0x7, 0x4c}, {0x0, 0x0, 0x71, 0x80000000}, 0x9, 0x6e6bb6, 0x1, 0x1, 0x2, 0x3}, {{@in=@multicast1=0xe0000001, 0x4d3, 0x7f}, 0xa, @in=@multicast2=0xe0000002, 0x3501, 0x3, 0x2, 0x401, 0x100000000, 0x9, 0x5}}, 0xe8) sendfile(r1, r1, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) getsockopt$inet_sctp_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f0000001340)={0x0, 0x7, 0x0, 0x0, 0x20, 0x7, 0x9, 0x6, {0x0, @in={{0x2, 0x4e23, @broadcast=0xffffffff}}, 0x2, 0xffffffffffffffff, 0x8, 0x5e5656de, 0x81}}, &(0x7f0000001400)=0xb0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000001440)={r5, 0xda}, 0x8) 2018/04/21 01:57:06 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x801) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:06 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x3, &(0x7f0000000300)=[{&(0x7f0000000180)="e9e279246b75d785bffd2b3907c6d5e5f76d7828419d9e0ca293715d2163dfb74c10640bc13f3acfc7b4b9a5c16390e860d7b94466552c0fbd7d60cdf41f31e8211170c9def3d031e3bbc2b9284045ea", 0x50, 0x800}, {&(0x7f0000000200)="7c7edc9c838a24f2dee0d1f5d8b42cb444182c9bedb28a2c53dbcff8ca6b26ea188e2c8c81e94fc9248fbc6f451d683e8e1bc25daaa3b61342e48325602d2e571088760ccb05a33bc48339811e9d4756a2b74035c07a2ed3eddd491c046d8a13be2c2cb8d98383404805fca8cb3c49b6a189f4f5ad554e25f023087106c22b70e8c094521dc5660c44659492aad8434143b3dd2d0c", 0x95, 0x7fffffff}, {&(0x7f00000002c0)="5d9e813ea94fdbeaf689662955d4620cc43e1a59bae8e895e467848180cd7d7dd9d5688ef9f8519eb91a9649bf137ac54c545d", 0x33, 0x800}], 0x800, &(0x7f0000000340)={[{@disable_sparse_yes={'disable_sparse=yes', 0x3d, [0x3f]}, 0x2c}]}) mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:06 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x20000, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r1, 0x40bc5311, &(0x7f00000000c0)={0x9, 0x1, 'client1\x00', 0x2, "5470467fe4202a38", "e8854801c7e765960475e67b7f44d7e64aed97dd553ee1c9a9c05932ad26cfc2", 0x7fffffff, 0xff}) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r2, 0x800) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000040)={0x3, 'teql0\x00', 0x4}, 0x18) ioctl$TIOCSLCKTRMIOS(r2, 0x5457, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) 2018/04/21 01:57:06 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.stat\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4002002}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x200, 0x70bd29, 0x25dfdbff, {0xa}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x163400000}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x51a}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4040000}, 0x20000810) 2018/04/21 01:57:06 executing program 7: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:06 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:57:06 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:06 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) connect$bt_l2cap(r1, &(0x7f0000000000)={0x1f, 0x200, {0x7fffffff, 0x9, 0x3ff, 0x1, 0x0, 0x800}, 0x3ff, 0x7}, 0xe) sendmmsg$nfc_llcp(r1, &(0x7f0000007bc0)=[{&(0x7f00000000c0)={0x27, 0x1, 0x0, 0x7, 0x5, 0x32b, "0474bc5b453cbed9055acfc883f2729a874456a3f592d41da387e4d1b892eaceed5776dbc2cf38b10a4911c4f33393c85a6b689a9c99a0d9ee3f2793612fb8", 0x3}, 0x58, &(0x7f00000001c0)=[{&(0x7f0000000140)="3e2ab1dd8f40b8327f8288f5cff491595fa832fbfee834c1013be38afdec207bc591604b063a7c718bf2d02041b93124a7b5b080297eeb52c193458a5b2904ed135702", 0x43}, {&(0x7f00000004c0)="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", 0x1000}], 0x2, &(0x7f0000000240)={0x98, 0x105, 0x0, "45db68e292c7c9b8a23d2276fbfd27a5275e14f3aa7a7bb3543e4f3399d633fd50bd78c62c688720272bc72059006223c780db263e668535a076bc5d3d47d6640ec258b618eeaed37873180870a2eb6730a9bed7daeca3efe7a0a0c37979ff5cbaff09799149ade0afd731173b35fabfa3eece277f60d31461515110596c51d2ad65c89165ec92a74c7999"}, 0x98, 0x44}, {&(0x7f0000000300)={0x27, 0x1, 0x2, 0x2, 0x80000001, 0x1, "d5248e86cb514d33958c5509569dd6a9e6fc6095da828ac860f3c979d15d05ed783cb98a9d23b0d870de8212e625b913373d0da167c0c4b9a5b88f8d979cbd", 0x3f}, 0x58, &(0x7f0000001800)=[{&(0x7f00000014c0)="ef1c8900f16a6bfd68829f5ad433b347e1fc3067fa3b86ca6fa253876917525c0126e39161afc2d5ca5e3ac87eb7181e0e4dbdbf483c42e881c95cdc6b5fd57c506b1e42e2765f8060d7deba6bfb9d569295d40ef9c08899ff5f376933784a57bfa13d1503811669e0a5282c97f1b3a5760a45759723d412613f364ce2f4c75fab74b89acc1ef4ab9b9a17472d6ed96f7027e4f7e830ce7844f00fe384fc0c39ed2ffeae42229b5fefa6349a05576837ac3482cd0f95c24583f6855a2a010bd454b95bde0154909bb71a7ba959f76375c866ff55fc5253d103", 0xd9}, {&(0x7f00000015c0)="7d83c29ed6aaa393d3583b8111cc6069df4accff3dd44fd385b1ad799cb2a8c9b57fb671d6509643b078c846fa83821301c606d8bb3c30dadd262b61584f09c9d3be14fc05d7c0dc87b8c148c2d6a2f1806731762780560b9c3b0d1c999ae0b46ebf7ec056aeba7314034b169f1abc6b9a2c", 0x72}, {&(0x7f0000000380)="7ffdf1eeadb303bc5bd49570dda9f17f32e1d8703cf08b875252a19c59df2e7672fce7ff5209adfc921d34e47860", 0x2e}, {&(0x7f0000001640)="e7a2c6c8bd3cc38b5c33886afe6d3cf5298373f493c00b847ae03c11d4a46ab6b0d37fe93dad011e7c4cbc6327ecf49ff7a11ed9bd851c0e3f4ed746d55e7fd0689467338c46a1df6f2533ceb67165360593f7a7290680b564af186cccb9b263b44776cbc8e6623ee579508e0c382195d26bc37d494825abc4ee3b19636ba18c67e4ce6ffc333448da41b4fb50101ca3e4193ce467859c57ccc6d4d04697535ce111da0684c3228cf732d1949134b1dd75d735c5cafff47ad360fa53c9f045b4890da50f1fd4791a", 0xc8}, {&(0x7f0000001740)='Z', 0x1}, {&(0x7f0000001780)="13780e4eee4a771c36b387312872b5a1fa0a591e9c86f1e0181f0125de73ef44115c38612f11406a787756f7f4a5290671328b7798e0796102cc83c6f158fd632f784fd634608610fa7eab0c258f64d65d42b94594a1b5d70a208ce552bff67ccf42c04945a88de3fd369a1ddc", 0x6d}], 0x6, &(0x7f0000001840)={0xa8, 0x84, 0xcd5, "86efe47703dec712244672d9ddcbaf1ab441af5b80b1aa38c5e27a4c917448fb2b50fec760993b9221d4dc2c6db4f8b5db82d688341209455b83026971bf6ce3859a6a23d51ebad4d9399b669b7e92f679ccd1c60e25511bf0f79d741be5bc16370ee7417d293efac82448112f03d617f48f0ca54e1754d38787196b081d0681064733c9d99e95f08389d9e12ac0cd4e15cc65ca102524844e5ee431"}, 0xa8, 0x80}, {&(0x7f0000001900)={0x27, 0x1, 0x0, 0x5, 0x101, 0x72, "c1392c9ae6259037e75a0bcea47db56e1e651ea6a5c6bce1f0cffe91a874895c101ec5c9912a91568cc1b636834f69dbc77b607bc29d9f6d4e74a222b5e47e", 0x18}, 0x58, &(0x7f0000001dc0)=[{&(0x7f0000001980)="494698323d8a3b2ea423c9ef630f8ff9c70d3b97198e3a77e7c91a5aeded9f6248556fe0527fcd760c8c0f9b0504f242f553c6691ab51731273f3ab02107a83dfda1db26f7dc7b22d472b1f9349d8a3c6ea1cff3e12071659fff9f7d7f8b872084ef459d2266717ae727530e36dba2af109a14d9156615fc6ee09ab28739eaa6f24b97b55142b145f4824d2c443f2257675748dd5ef515285780601b2041c869679bc999808c3c4974", 0xa9}, {&(0x7f0000001a40)="820cce04b4d77055fb273a9771aa22c3397c5f36823945e6d698eda6949926edaf16d6ec7167b0ddc4512e88db66794b13da34f03ebd4809c4ab3de34147387e33249bb0ab5e3d28636788dcec59d36b07aefba6b0a4b362205df5c57d7d92e97f4d38518f4229bff934090e0120fc202c1edc5f662e27934c91983a479c772ef0b830", 0x83}, {&(0x7f0000001b00)="f6ea0b46ea720bb2c8cb828c6a47c53b889de0aa67504f350eaa65d151585306d6dcd5b86594626a074b758fc046c2d1af477f9aa2fcd4b315fb7f5127b850699ad181b9e61d91c279ae87ec4ac9fd768c3c07c8d2ca4198d3f715acbbcc956ea85cbc572134c84cb018586be718195cf3cef2c76f546fe1f91d8e866c3b32bf07dbb6ae5597c34a30b65cacc1079729fde89f59d13e2f277e5070db8e50e6be9ca44e04dd19f3eec863ff8c450659754a49db9e91a0445541318970385e834f23ee43f9a927ebedf583adfadbf66045fad5a0406fe1002c1c011b1860bb5db6d1b04c5b4b", 0xe5}, {&(0x7f0000001c00)="f21763b77ab735925c5de7a67467536f2ca8c5c3dd0e0eab5df8d79b1da8a2b700112ea1bf4744f25d1b79397421b1", 0x2f}, 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", 0x1000}, {&(0x7f0000007a00)="b1e3a0fdb90aaa8af290f3244772d9b4ddb2d4520ee2d9d5f07a40ffb1a1f15083156247ec50b47c68a12796142986f69400b3a7946fed7e04d60cede62943437055240f32e51731df598e1bb6589882b795a25fd9f6853790c112617a2fe4459b322c4f6504b10d0e11c49d5e37f2ada35f01d05fca103aff63d8eec06ea4f261cc0a14ff55beaec48749f657b427021ab1cf130a82e3cb6b59494545aaad5af40c4e1002d6fe5148ab7a45", 0xac}], 0x5, &(0x7f0000007b00)={0xa0, 0x10a, 0x0, "4f92ca07d9e9eabe3204d9127e2d3c33b3cde1cbd27c43db39e0a4875995fc4e6694cb5b767e3d8b992fcfcc17e8f11d6a80281ba0d9f8f8eea3fb20bc216e2bd61d97a2502b6d1f4f0c9570089a25103ec62101db1f21a8581d0f0d09425ff2650eed3edb929b21d8d0adb66f82c05879809f9aa6d6be4c35115311d5f654baeb03a16ad29de8685dea06bc1c9c20bd1e31a1"}, 0xa0, 0x200480c0}], 0x7, 0x8890) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 706.296275] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:07 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xec, 0x19, 0x4, 0x0, 0x25dfdbfb, {0xa, 0x0, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xec}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) 2018/04/21 01:57:07 executing program 6: r0 = socket(0x1b, 0x5, 0x9) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffff9c, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e20, 0xffffffff, @empty, 0x1f}}, 0xfffffffffffffff7, 0x0, 0x80, 0x0, 0x4}, &(0x7f0000000000)=0x98) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000240)={r1, @in={{0x2, 0x4e20}}, 0x9, 0x9}, &(0x7f0000000040)=0x88) r2 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r3 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r2, 0x4c00, r3) sendfile(r2, r2, &(0x7f0000000080), 0x102000004) ioctl$TIOCGPTPEER(r3, 0x5441, 0x2f) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r3, 0x408c5333, &(0x7f0000000300)={0x80, 0x80000000, 0x7, 'queue0\x00', 0x67}) ioctl$LOOP_CLR_FD(r2, 0x4c01) ftruncate(r3, 0x800) 2018/04/21 01:57:07 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x0, 0x400000000000) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$ax25_int(r1, 0x101, 0x2, &(0x7f0000000040), &(0x7f0000000080)=0x4) timerfd_gettime(r1, &(0x7f0000000000)) 2018/04/21 01:57:07 executing program 5: r0 = open(&(0x7f00000000c0)='./file0\x00', 0x40280, 0x120) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000100)=0x7317d51c, 0x4) r1 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x4, 0x98180) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000080)='cpuacct.usage_percpu\x00', 0x0, 0x0) ioctl$ASHMEM_GET_SIZE(r2, 0x7704, 0x0) sendfile(r1, r1, &(0x7f0000000040), 0xffffffff) 2018/04/21 01:57:07 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000240)={0x0, 0x9, 0x10001, 0x10001, 0x6, 0x4, 0x1ff, 0xffff, {0x0, @in6={{0xa, 0x4e22, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x5}}, 0x3, 0x24, 0x0, 0x9}}, &(0x7f0000000000)=0xb0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000400)={r2, @in6={{0xa, 0x4e21, 0x9, @empty, 0x8}}, [0xffff, 0xb, 0x4, 0x3, 0x100000001, 0x8ba, 0x3, 0x1, 0x9, 0xffffffff, 0xa5, 0x7e1e35d5, 0x6, 0xc6, 0xc767]}, &(0x7f0000000180)=0x100) mprotect(&(0x7f0000ff3000/0x4000)=nil, 0x4000, 0x80000000000008) ioctl$TTUNGETFILTER(r1, 0x800854db, &(0x7f0000000300)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f00000000c0)) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 7: mkdir(&(0x7f0000000000)='./file0/file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0xf2b, 0x400) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000240)={0x0, 0x0, 0x108b51f3}) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000380)='/dev/vga_arbiter\x00', 0x181002, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000003c0)={r1, 0x80000, r2}) mount(&(0x7f00000002c0)='./file0/file1\x00', &(0x7f0000000280)='./file0/file0\x00', &(0x7f00000000c0)='9p\x00', 0x200002, &(0x7f0000001480)="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") r3 = inotify_init1(0x80800) r4 = fcntl$dupfd(r3, 0x406, r3) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r4, 0xc02c5341, &(0x7f0000000300)) r5 = memfd_create(&(0x7f0000000100)='fuseblk\x00', 0x3) ioctl$VT_RESIZE(r5, 0x5609, &(0x7f0000000200)={0x9, 0x0, 0x7fff}) fsync(r5) 2018/04/21 01:57:07 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') ioctl$ION_IOC_HEAP_QUERY(0xffffffffffffffff, 0xc0184908, &(0x7f00000001c0)={0x20, 0x8, 0x1, 0xffffffffffffffff}) r1 = syz_open_dev$mice(&(0x7f0000001200)='/dev/input/mice\x00', 0x0, 0x80) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001380)={0x0}, &(0x7f00000013c0)=0xc) fstat(r0, &(0x7f0000001400)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000001480)=0x0) r6 = getuid() stat(&(0x7f00000014c0)='./file0/file0\x00', &(0x7f0000001500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001580)={0x0}, &(0x7f00000015c0)=0xc) getresuid(&(0x7f0000001600)=0x0, &(0x7f0000001640), &(0x7f0000001680)) lstat(&(0x7f00000016c0)='./file0\x00', &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r1, &(0x7f0000001840)={&(0x7f0000001240)=@file={0x1, './file0/file0\x00'}, 0x6e, &(0x7f0000001340)=[{&(0x7f00000012c0)="18cecef157130ba04c75673aaf78849748648bc19ebc506a9bdcdf4882d978ead1ba4ecde7cfcd13b6e70f29beab24679eb9a963e0a7e3c61551738f06adcdcf245fb14f7d59", 0x46}], 0x1, &(0x7f0000001780)=ANY=[@ANYBLOB="1c0000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="140000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="0000ee000000000000000000", @ANYRES32=r2, @ANYRES32=r3, @ANYRES32=r4, @ANYBLOB="180000000100000002000000", @ANYRES32=r5, @ANYRES32=r6, @ANYRES32=r7, @ANYBLOB="340000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="180000000100000002000000", @ANYRES32=r8, @ANYRES32=r9, @ANYRES32=r10], 0xac, 0x20000000}, 0x4) fstatfs(r0, &(0x7f0000000200)=""/4096) mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) accept4$unix(r1, &(0x7f0000001880), &(0x7f0000001900)=0x6e, 0x800) umount2(&(0x7f0000d5bfff)='.', 0x2) r11 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_user\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) write$evdev(r11, &(0x7f0000000180)=[{{r12, r13/1000+30000}, 0x0, 0x0, 0x1f}, {{}, 0x6, 0x100000000}, {{}, 0x7ff, 0x100000001, 0x6}], 0x30) 2018/04/21 01:57:07 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x6, 0x8080) 2018/04/21 01:57:07 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) fcntl$getownex(r0, 0x10, &(0x7f0000000180)={0x0, 0x0}) waitid(0x1, r1, &(0x7f00000000c0), 0x8, &(0x7f0000000100)) r2 = memfd_create(&(0x7f0000000340)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) syz_mount_image$msdos(&(0x7f00000001c0)='msdos\x00', &(0x7f0000000300)='./file0\x00', 0x80000001, 0x6, &(0x7f0000001840)=[{&(0x7f00000004c0)="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", 0x1000, 0x4}, {&(0x7f00000014c0)="a3b188eadef3737d756b3613e1b8e4811d42ec2776b313dc34efa0f41d7b27bb9105ec9024fd31e89f44dffbedc31d88d048a49358d7c72d26b52d6879aa1e3d2656c3728a4d31511f3a6a2b15fb6d5172a549616c6c846175977a98d2201d90ee4969cc4542f45fdb7e4af3e9daa40a03bb1638ee2de3d328366f05e6ef483fffab9ddafcb3e093c1d8bd97c1afd10476e17e9bf198c140acf07fabba0b23a4c917247836d48356f7b8d6220fa1", 0xae, 0x6}, {&(0x7f0000001580)="f7bdb76eb1e9087c4d6e7d9b2159e8818cfb0a8632cdfafc89262c2376978b341b1fa14c0dfb1da1898ced8be590c6821f7c51acca17dfb7dabb555ab0189a940c8eb97f0595f29128d32d6f693b7ba33af70850a090006fcd2c04c598dc8a2caf13e519bd11ab7abfaf53b5808f7b7d200c3007dacecc7d4d9ca941b1ebb17a3b500ebb7e8a380b2a350dcc941dd0a8fe76a3387a9939d0c638e8c50dcf395baa6ba4a2bb27fa637ec09b54ab4bd09a513ad67319af7d44e0c48047e85b8ae708da38ff937b9d15f230ea", 0xcb, 0x7fffffff}, {&(0x7f0000000340), 0x0, 0x50f1}, {&(0x7f0000001680)="98057c361a712251739b88b0fa7f93aa97841efb708a4fe5c6d822ae5f8dc9d88cc43feb292fe3f0f8508d86546665a42b36b07b1eb72064e5222931d248ba225f4a606a19f510b5bea0357a5e304523d954ac97a0cfad25e968fe55580c143005c2ed163dbe26d9759f8c1187b1dd50cc2d986c2fb6f1c08738337ec0332269ba28e3bb482e6cb61039c5be57e643689722e5cc274bb26e2066026e1ef151851c23e0c12d2ce70a678dcbc5ccb07a5f2d63511a5fc75e39f1d66c7667a309a28d15f73b7451bd77e28fd0e246e68b7696ba174f1ee81a0ef23adb1c6242b9969772474d65170b63b9a49abf", 0xec, 0xfffffffffffffffb}, {&(0x7f0000001780)="e539c2d74373778ad910b9bbecf4080dc5e504d1ef3e2e899d8f872d23b00b8fca676c915cbb9eb0831e4cf138f4f9f18b7fd2ffe65f5fab42cbef7b1342590a81df890a613bec3a672b5f6a21bb6424dd5ef1e057d4eb091879124766bf3946134aadb7e8735662e54c62a627a175454558e17c9ea494230978fdd52c547df8c29a94b6dfaf98ae2e52087732d1982556249e67dac80386a1fb5c557b513bb5dfc6cf6139b10dc2ecea7a5ddaf4", 0xae, 0x9}], 0x1000008, &(0x7f00000018c0)={[{@nfs_nostale_ro='nfs=nostale_ro', 0x2c}, {@debug='debug', 0x2c}, {@showexec='showexec', 0x2c}, {@time_offset={'time_offset', 0x3d, [0x30, 0x35, 0x31, 0x0, 0x2d, 0x36, 0x31]}, 0x2c}, {@dmask={'dmask', 0x3d, [0x32]}, 0x2c}, {@allow_utime={'allow_utime', 0x3d, [0x32, 0x30]}, 0x2c}, {@dos1xfloppy='dos1xfloppy', 0x2c}, {@nocase='nocase', 0x2c}]}) pwritev(r2, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r2, 0x4c01) socket$inet_tcp(0x2, 0x1, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) listxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000240)=""/183, 0xb7) 2018/04/21 01:57:07 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0\x00', 0x10000008015, 0x4) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 706.868377] blk_update_request: 3 callbacks suppressed [ 706.868384] blk_update_request: I/O error, dev loop0, sector 0 [ 706.879817] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:07 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0x0, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000000)) ftruncate(r1, 0x800) pwritev(r0, &(0x7f0000000240)=[{&(0x7f0000000040)="648baa9875ed6d4f8636114d8eb5f219b5c03aa98c069054435c3062777e3baa05112f9d068ba4ca6c926d44bec25eaeec8eb7a8525cec9a2a3af422f82c11a786ef02fa74b891ba13c8189847a4719f1f3fd74ca99ec93e507aeebd5feab6f63c687bf1db7fbce9974782c938039946d94b8b58845ce82f296387a5728fa48eb20475769bfba6f178364566cf65c5b3e505177d5651c612d9603cfdd07e3984644648", 0xa3}, {&(0x7f0000000100)="4285953b8d14485fc21fd43748b0abfb76867cd9d406d5b679666e3e4bf5333f29f97a8846161a", 0x27}, {&(0x7f0000000140)="da20b843700b3788a68bdf1263b94f03c5bcf50def76eb0ee26d800371b82e2efe61c7c697b2274e9df4169caa96632a7c9f80f4c80f45787e1f16cc350007e66b641b995dd5fb1837175ea47264badf8e4ccfc83430ecdd4f143d8274b48980d283245b495918e4bd4f93a9b1e0c61440e68157ed4d87f081393a9cf4b92860394c3c681d3b05c528d88bf208eeb2e1fe99", 0x92}], 0x3, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) socket$inet6_icmp(0xa, 0x2, 0x3a) 2018/04/21 01:57:07 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x200100, 0x0) ioctl$sock_ipx_SIOCIPXNCPCONN(r1, 0x89e3, &(0x7f0000000680)=0x1) r2 = getpgid(0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000240)={{{@in=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@multicast2}}, &(0x7f0000000180)=0xe8) lstat(&(0x7f0000000740)='./file0\x00', &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getpgrp(0x0) r6 = geteuid() getgroups(0x2, &(0x7f00000003c0)=[0xffffffffffffffff, 0xffffffffffffffff]) fcntl$getownex(r0, 0x10, &(0x7f0000000400)={0x0, 0x0}) fstat(r1, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000140)) sendmsg$netlink(r1, &(0x7f0000000640)={&(0x7f0000000100)=@proc={0x10, 0x0, 0x25dfdbfc, 0x100401}, 0xc, &(0x7f0000000140), 0x0, &(0x7f0000000580)=[@rights={0x18, 0x1, 0x1, [r1, r0, r1]}, @cred={0x18, 0x1, 0x2, r2, r3, r4}, @rights={0x18, 0x1, 0x1, [r0, r1, r0]}, @cred={0x18, 0x1, 0x2, r5, r6, r7}, @cred={0x18, 0x1, 0x2, r8, r9, r10}, @rights={0x24, 0x1, 0x1, [r1, r1, r0, r0, r1, r1]}], 0x9c, 0x1}, 0x8800) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000040)={0x0}) r12 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/ip6_mr_vif\x00') epoll_pwait(r12, &(0x7f00000001c0)=[{}, {}], 0x2, 0xd6, &(0x7f0000000340)={0x8}, 0x8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={r11, 0x80000, r12}) 2018/04/21 01:57:07 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) r2 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x1, 0x2000) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:07 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = request_key(&(0x7f0000000000)='logon\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000000c0)='fuseblk\x00', 0xfffffffffffffffa) r1 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$negate(0xd, r0, 0x8, r1) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 707.382700] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:08 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0x0, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000380)='/proc/self/net/pfkey\x00', 0x480082, 0x0) ioctl$sock_ipx_SIOCGIFADDR(r1, 0x8915, &(0x7f00000002c0)={'syz_tun\x00', {0x4, 0x7fff, 0x100000001, "11d4052a7fb0", 0x200}}) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) mlock(&(0x7f0000005000/0x4000)=nil, 0x4000) mremap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3000, 0x0, &(0x7f0000003000/0x3000)=nil) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e23}}}, &(0x7f0000000000)=0x84) getsockopt$netrom_NETROM_N2(r2, 0x103, 0x3, &(0x7f00000001c0)=0x45, &(0x7f0000000240)=0x4) socket$inet_udp(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000040)={r3, 0x80}, &(0x7f0000000180)=0x8) 2018/04/21 01:57:08 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x4800) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000040)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000000c0)=0x24) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000100)={r1, 0x2c, "5d446a6835a01f258e651db7a02551fc924c9444d23d9c0b8610be9c65e3fa51e8b6b09b71c9a71c6ff943a4"}, &(0x7f0000000140)=0x34) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) sendto$unix(r0, &(0x7f0000000180)="0e9f572626e1c6903e53b24875d6eefe43ca5d2cfd94eb033e642adaeeae81dc9091af7d93c5bc8a1d1e3a21b06653a65e9c0f1d8b392f156cabcc27f02bc093ea0a210efc40875fee0f2058b445b35574b7790df4bb73fd4127754e3e21e63d0877424f90cab1d81ad53c94204dbfed29cc8c0d061749037071be24256975fc4ea5de1b3e54f63f796e30bedb4fb17383d1bfda3727f8db6c80d3ab34a2d6f3d9d99b7284ea5e7daa940cc69e36fd4c7a4c21b6baa1c833ad7d6050f0548a4c41", 0xc1, 0x48050, 0x0, 0x0) ioperm(0x9, 0x9, 0x800) 2018/04/21 01:57:08 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = creat(&(0x7f0000000000)='./file0\x00', 0x30) ioctl$TUNSETSNDBUF(r0, 0x400454d4, &(0x7f0000000100)=0x5) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f0000000040)) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000080)={{0x2, 0x4e21, @loopback=0x7f000001}, {0x306, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x3a, {0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 'ifb0\x00'}) 2018/04/21 01:57:08 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r1, 0xc0a45322, &(0x7f00000000c0)) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$ASHMEM_GET_PROT_MASK(r1, 0x7706, &(0x7f0000000040)) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) 2018/04/21 01:57:08 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) syz_mount_image$vfat(&(0x7f0000000180)='vfat\x00', &(0x7f00000001c0)='./file0\x00', 0x2, 0x4, &(0x7f0000000500)=[{&(0x7f0000000200)="5c61a9f8dfe8568691347391fa829e1594438b31fb6adf0a9d38f4284460041a9f6eb0d6911742870b1a8f2a994f8d9f42b678ec7cab788b85e0559b6a348aebda7b772730b62ee64b1f8b998bf4ada3f42371db9fe60ff88700590233391db26d3eafeeb305504f9ec4d94fa496095ab2c71e03dab60018e64a961bf6b3ef2362807f972ac61fd5fd3d0550df0bec2d3321b300ccd7353a4a308ee1562a3a4bfd06d4ef64c185aaa4d038c80357b0710252e815ee7323151489feb6af6c1e05ad62206cb605bb72bca862f9c505815d540ed2227533a78c9e20d75791f938a236934d32f2dfa5ad6c4aec", 0xeb, 0x3}, {&(0x7f0000000300)="5e55644ae3d3bd41c8c5b1d779ee11bbd5108f430b45d16de3bb0216b0adcf7986c68210fc577d12612458dc482f6d8b59c04cd87053c97cfa9384538a2ec6346085ed7365afaa9a0fc09251ad93e4671a23c86167033765f8d427e728145719547dc4fa2c23707bfc47175fed5d3cea0df240cdf7f91b99d475c13ce2b1a14ab5a33aaf51c1a0ba3aa0b9", 0x8b, 0x80000000}, {&(0x7f00000003c0)="d1c186cd2c9d32a544b55f138a013929fa0a6e039c138e78dfe6b9bafd588064504a3161a76f1baafa9c0d663cbe8d216530dc093bed78250620c0c0ee7d38a967b10b49bb0b7740a00fa32e9d83f7946ec69cec33a6f3dc3b1af661cda1fc7c4b073434529f002e5e7f58be", 0x6c, 0x3}, {&(0x7f0000000440)="f90ebce07ae12bbe97791ee663e0f27b90d83b77aab3510451e7a22d93c4acfcac57eba79547bf27b05e86a9459db84a7ca55cea417949ead5170cc8d1f7b34248ce9c4f2fa758e32629970b9ffdf8035979fbd025d75e56b5a76d13ad52d2ff92a1e1d43e21c30d1470b8c24d5dad50b2b5a4ee8d419afd02f280763fedaaac0297538dfdba2141fc5110fa8c3452f2d8cdbb4a653a0825c6b238bc6fff18494d0cae81389c", 0xa6, 0x3}], 0x20000, &(0x7f0000000540)={[{@codepage={'codepage', 0x3d, '862'}, 0x2c}, {@allow_utime={'allow_utime', 0x3d, [0x32, 0x34, 0x30, 0x36, 0x36]}, 0x2c}, {@check_strict='check=strict', 0x2c}, {@flush='flush', 0x2c}, {@uid={'uid', 0x3d, [0x36, 0x33, 0x32, 0x33, 0x30, 0x33, 0x30, 0x37, 0x34]}, 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}, {@gid={'gid', 0x3d, [0x35, 0x32, 0x35]}, 0x2c}, {@errors_continue='errors=continue', 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}]}) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) utime(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x6}) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:08 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0x0, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$VT_DISALLOCATE(r1, 0x5608) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockopt$IP6T_SO_GET_ENTRIES(r2, 0x29, 0x41, &(0x7f0000000000)={'filter\x00', 0xe8, "5832e3a1da4407bee5ff6676884f05ae42bf97ddf8dc56deb793cbed6b0f69cfc7935fc9c059e0bb69859ec3bd4571f51fbc992c8e6a0cb4b78b1ca8d0c4f2cb93a2d44bc684dd73857b61f45decc5da57031cc6dbb706a7605be7a7d0a23d6b6ddc96aa2db0cd5fc3f4bbd87260a124050793e342fa8da1f5097630f29f201882f4450876187d105aca538c1776e4517fc4bd670a466fa200684e12959d89aaa29880efa68e7547b31447d056af8abfac7e09039ed7e60093297315ae0f9d4096a4a4fab4599ddfa7b941e2ea0d64a55753a3312a2cfdb2a8d15b2129279ed488c7bbc55f8b40fd"}, &(0x7f0000000140)=0x10c) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r2, 0x4c00, r2) ioctl$KDSIGACCEPT(r2, 0x4b4e, 0x1d) 2018/04/21 01:57:08 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) connect$pppoe(r0, &(0x7f0000000040)={0x18, 0x0, {0x2, @link_local={0x1, 0x80, 0xc2}, 'ipddp0\x00'}}, 0x1e) 2018/04/21 01:57:08 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x99, 0x8000) syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) getsockopt$inet_dccp_buf(r1, 0x21, 0xd, &(0x7f0000000100)=""/88, &(0x7f0000000180)=0x58) mprotect(&(0x7f00004db000/0x4000)=nil, 0x4000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) 2018/04/21 01:57:08 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000040)=0x1, 0x4) setsockopt$inet_int(r0, 0x0, 0xc, &(0x7f0000000180)=0x10001, 0xffffffffffffff16) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000ef0ffc)=0x7fe, 0x220) fcntl$getownex(r0, 0x10, &(0x7f0000000100)={0x0, 0x0}) tkill(r1, 0x39) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20}, 0x10) recvmsg(r0, &(0x7f0000bd9000)={0x0, 0x0, &(0x7f0000eee000), 0x0, &(0x7f0000b18faf)=""/81, 0x3a}, 0x40002104) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000200)={0x3b, @dev={0xac, 0x14, 0x14, 0xd}, 0x4e20, 0x4, 'lc\x00', 0x0, 0x3, 0x6}, 0x2c) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x80, 0x0) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000040), &(0x7f00000000c0)=0x4) [ 708.204579] blk_update_request: I/O error, dev loop0, sector 0 [ 708.210609] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:08 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:08 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 708.405650] blk_update_request: I/O error, dev loop3, sector 0 [ 708.517339] blk_update_request: I/O error, dev loop3, sector 0 [ 708.599197] blk_update_request: I/O error, dev loop0, sector 0 [ 708.605304] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 708.640297] IPVS: set_ctl: invalid protocol: 59 172.20.20.13:20000 lc [ 708.804979] IPVS: set_ctl: invalid protocol: 59 172.20.20.13:20000 lc 2018/04/21 01:57:09 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/pktcdvd/control\x00', 0x10000000020400, 0x0) setsockopt$bt_l2cap_L2CAP_CONNINFO(r0, 0x6, 0x2, &(0x7f0000000040)={0x0, 0x3ff00, 0x8}, 0x6) 2018/04/21 01:57:09 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fcntl$getownex(r0, 0x10, &(0x7f0000000000)) fsync(r1) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000180)={0x0, 0x0}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f00000001c0)={0x0, 0x80000}) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000200)={r1, r2}) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_stats\x00', 0x0, 0x0) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f0000000540)='./file0/file0\x00', &(0x7f0000000580)='./file0/file0\x00', &(0x7f0000000500)='hpfs\x00', 0x0, &(0x7f00000003c0)="b20482a920c5ee26ba8e0dc62396039a6db66a3f0c07cac974bbd1af0117447bdc8dd7c1ae3196b9993048265c92e8563bb56ecdd4432b91bef60b7952d3e635f68fc6f86b2352a3bd07e846152ce9ee808b7cf2ca9138adb8b0d6b9") umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:09 executing program 3: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) syz_mount_image$vfat(&(0x7f0000000180)='vfat\x00', &(0x7f00000001c0)='./file0\x00', 0x2, 0x4, &(0x7f0000000500)=[{&(0x7f0000000200)="5c61a9f8dfe8568691347391fa829e1594438b31fb6adf0a9d38f4284460041a9f6eb0d6911742870b1a8f2a994f8d9f42b678ec7cab788b85e0559b6a348aebda7b772730b62ee64b1f8b998bf4ada3f42371db9fe60ff88700590233391db26d3eafeeb305504f9ec4d94fa496095ab2c71e03dab60018e64a961bf6b3ef2362807f972ac61fd5fd3d0550df0bec2d3321b300ccd7353a4a308ee1562a3a4bfd06d4ef64c185aaa4d038c80357b0710252e815ee7323151489feb6af6c1e05ad62206cb605bb72bca862f9c505815d540ed2227533a78c9e20d75791f938a236934d32f2dfa5ad6c4aec", 0xeb, 0x3}, {&(0x7f0000000300)="5e55644ae3d3bd41c8c5b1d779ee11bbd5108f430b45d16de3bb0216b0adcf7986c68210fc577d12612458dc482f6d8b59c04cd87053c97cfa9384538a2ec6346085ed7365afaa9a0fc09251ad93e4671a23c86167033765f8d427e728145719547dc4fa2c23707bfc47175fed5d3cea0df240cdf7f91b99d475c13ce2b1a14ab5a33aaf51c1a0ba3aa0b9", 0x8b, 0x80000000}, {&(0x7f00000003c0)="d1c186cd2c9d32a544b55f138a013929fa0a6e039c138e78dfe6b9bafd588064504a3161a76f1baafa9c0d663cbe8d216530dc093bed78250620c0c0ee7d38a967b10b49bb0b7740a00fa32e9d83f7946ec69cec33a6f3dc3b1af661cda1fc7c4b073434529f002e5e7f58be", 0x6c, 0x3}, {&(0x7f0000000440)="f90ebce07ae12bbe97791ee663e0f27b90d83b77aab3510451e7a22d93c4acfcac57eba79547bf27b05e86a9459db84a7ca55cea417949ead5170cc8d1f7b34248ce9c4f2fa758e32629970b9ffdf8035979fbd025d75e56b5a76d13ad52d2ff92a1e1d43e21c30d1470b8c24d5dad50b2b5a4ee8d419afd02f280763fedaaac0297538dfdba2141fc5110fa8c3452f2d8cdbb4a653a0825c6b238bc6fff18494d0cae81389c", 0xa6, 0x3}], 0x20000, &(0x7f0000000540)={[{@codepage={'codepage', 0x3d, '862'}, 0x2c}, {@allow_utime={'allow_utime', 0x3d, [0x32, 0x34, 0x30, 0x36, 0x36]}, 0x2c}, {@check_strict='check=strict', 0x2c}, {@flush='flush', 0x2c}, {@uid={'uid', 0x3d, [0x36, 0x33, 0x32, 0x33, 0x30, 0x33, 0x30, 0x37, 0x34]}, 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}, {@gid={'gid', 0x3d, [0x35, 0x32, 0x35]}, 0x2c}, {@errors_continue='errors=continue', 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}]}) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) utime(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x6}) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:09 executing program 7: creat(&(0x7f00000000c0)='./file0\x00', 0x20) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) utimes(&(0x7f0000000000)='./file0/file1\x00', &(0x7f0000000040)={{0x0, 0x7530}}) [ 708.982701] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:09 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fchdir(r1) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x82) 2018/04/21 01:57:09 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$int_in(r1, 0x5421, &(0x7f0000000040)=0xfffffffffffffff8) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000000)="00f630eb000e3a1a22f0fe2368b1a2d7", 0x10) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0x0, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:09 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0xc008, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:09 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 709.311889] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:09 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r1, 0x28, 0x6, &(0x7f00000000c0)={r2, r3/1000+10000}, 0x8) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f0000000100)=[{&(0x7f0000000040)="aa", 0x1e}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) r4 = dup3(r0, r0, 0x80000) ioctl$LOOP_CLR_FD(r4, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 709.799230] blk_update_request: I/O error, dev loop0, sector 0 [ 709.805274] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:10 executing program 5: 2018/04/21 01:57:10 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$PERF_EVENT_IOC_ID(r1, 0x80042407, &(0x7f0000000000)) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getpeername$llc(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000080)=0x3) ioctl$KDSETLED(r1, 0x4b32, 0x9) 2018/04/21 01:57:10 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) ioctl$VT_WAITACTIVE(r1, 0x5607) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) r2 = openat(r1, &(0x7f0000000000)='./file0\x00', 0x42000, 0xc) pwritev(r1, &(0x7f0000000380)=[{&(0x7f0000000280)="8841d4f064ebd94d6aafebfb06d7cd16c9bac8347f25a9561801379e4bf088cf8f25a222090e72115518bcfb1648abfbdfc09c6aa44a62ffd868078c607235ed9bd738060aae6a311c3ded0cc6f07c8cbff7763cccd383c25840", 0x5a}, {&(0x7f0000000300)="e5bcbe51b83ed739939045709c2f599dfc4f15d21863044ca582f7af2a49c5e6e8523efea06758b201fc1bc842920222e1b2677fea2d104b29fb2f400469e2c7ebfc05cf943389824936c254a5e97eaf4fe99b76646079cf8117e54777a221d1303e6593475ab6362998e070349e0c3da41c40c8", 0x74}], 0x2, 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f00000000c0)={{{@in=@multicast2, @in6=@ipv4={[], [], @remote}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000001c0)=0xe8) setsockopt$packet_drop_memb(r2, 0x107, 0x2, &(0x7f0000000240)={r3, 0x1, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 7: mkdir(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffc) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:10 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f00000001c0)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mkdir(&(0x7f0000000140)='./file0/file0\x00', 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/commit_pending_bools\x00', 0x1, 0x0) readlinkat(r0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)=""/255, 0xff) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:10 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) modify_ldt$write(0x1, &(0x7f0000000000)={0x2, 0xffffffff, 0xffffffff, 0x9, 0x80000001, 0x1f, 0x1, 0x1, 0x9, 0x100}, 0x10) modify_ldt$write2(0x11, &(0x7f0000000040)={0x8542, 0x20000800, 0x2000, 0x9, 0x1, 0x800, 0x0, 0x2, 0x1, 0x8}, 0x10) syz_mount_image$f2fs(&(0x7f00000001c0)='f2fs\x00', &(0x7f00000002c0)='./file0\x00', 0x7, 0x2, &(0x7f00000004c0)=[{&(0x7f0000000300)="6835bd93fe2f31cc1cc656cf6b3fffe35fb5eb0c3b96f6722284db34c2e5a70f1262ab98e9bb953a7fd32c4a8f6fc825c3799247df3869cbde7ad8eb4e836e549e4fa01bc531c87e6fa71c8ebe0fafa50acdbf7a8f8299e43e64067b7a56bd3429b0218cb285567eddc6cb2d78aa541dcf188556d264e8f73661b7ccbe4f55aeb48690ce84f063fdccf23b0e5358cc1bb7e97bd83c401f54b2238b3b9a7f7f25ee6fc175d63b66de9367906c5747a12e5519d2d8cff424f6be079ecec12068d4413ddb2ae4bfb3d16e2a819178bad6e171a757d205b8", 0xd6, 0xd3}, {&(0x7f0000000400)="d79db8d4740a2fef5f65e37e3b3067bb655a7a0255a5532a5e76a2b43be59c22e366d1137d668cf3b0f37fa2fe2298deec0b3461a6655a98e5184ca49e49cd2f8fa25bdd5cf41eca80d08666055accd9a909dcd38fa8fcb176a214236ae624191e20241be81f9210febb376e6f97bf26e8e553d1a075ab9c0370ae44ede93b5ceb466f33e1d9e419242dede7177b69ab84921690e2b77599ecbf801c861dd7", 0x9f, 0x1}], 0x480, &(0x7f0000000500)={[{@noinline_xattr='noinline_xattr', 0x2c}]}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r1, 0xc058534f, &(0x7f0000000240)={{0x80000001, 0x40}, 0x1, 0x81, 0x81, {0x9, 0xccd}, 0x3, 0x7}) getsockname(r0, &(0x7f00000000c0)=@nfc, &(0x7f0000000140)=0x80) timer_create(0x7, &(0x7f0000000700)={0x0, 0x3a, 0x3, @thr={&(0x7f0000000540)="2ad81bdbe11bb7758cae157316cd60e87c3354da0a8939c2d0d21d027319dd6e04cae78a14f33fbfa0f8c70944df08dd4388732e88abf7fa862862356a031c45b1b5ad60590a11e87c53d0304589fbd40f72b8c966db918fe3cb658050bd1ff118b4a4233725fc49d1a3ed63b830fcfc02233a72c386f54313e75bbd1d6b2d40b6cb7ec262f42ddf857b56c2ad4c1ce73c09f6bf8c8e37cb7a7bf87396d6f08e00", &(0x7f0000000600)="0dfc0a70dc96042d6fe7fd501b10659ea5dd692036051359283a3f4bfb5b401c70db8b47b2c81cd96010ba97f4c128cb720bd46c93ac67158ca012cbbca73081a558bef67286a7c322e23d5df3e2c7ea08d7fac1016a6b22fea1cb5197a45551f4d1ceaca85f325072ea6d8882c2b68ba13260f97e40ba26bfc8339d796dd305b9c301c09b7a9d906d5722ce64fed24ed7ed11c031fbaf4c1fd56097f1591bc5b34ddc5d1a86c1c2e2b58ff28c07268ce8c6379d7978e8ab17d173df14a6e741aded5d99982eb28d85e824ff5ccc429864d70994"}}, &(0x7f0000000740)=0x0) timer_settime(r2, 0x0, &(0x7f0000000780)={{}, {0x0, 0x1c9c380}}, &(0x7f00000007c0)) 2018/04/21 01:57:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getsockopt$inet6_opts(r1, 0x29, 0x37, &(0x7f0000000000)=""/50, &(0x7f0000000040)=0x32) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 4: r0 = socket(0x3, 0x80000, 0x6) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000140)=0xfffffffffffffffb, &(0x7f0000000180)=0x4) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x600000, 0x0) ftruncate(r2, 0x800) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000040)=0x0) ioctl$EVIOCGKEYCODE(r2, 0x80084504, &(0x7f0000000100)=""/45) prlimit64(r3, 0xb, &(0x7f0000000080)={0xe0e0, 0x9}, &(0x7f00000000c0)) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) 2018/04/21 01:57:10 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 7: mkdir(&(0x7f0000000200)='./file0/file0\x00', 0xffffffffffffffff) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x24080, 0x0) readlinkat(r0, &(0x7f0000000040)='./file0/file0\x00', &(0x7f00000000c0), 0x0) 2018/04/21 01:57:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r1, 0xc00c642d, &(0x7f0000000000)={0x0, 0x80000, r1}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000040)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f00000000c0)={r2, r3}) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 710.417078] blk_update_request: I/O error, dev loop0, sector 0 [ 710.423152] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:10 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(r1, 0x800854db, &(0x7f00000000c0)=""/143) pwritev(r1, &(0x7f00000003c0), 0x0, 0x81006) fsync(r0) ftruncate(r0, 0x6c244d0d) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000000)=0xec, 0x4) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:10 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x80000) 2018/04/21 01:57:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000000340)='vmnet0\x00', 0x1000000003) r2 = open(&(0x7f0000000280)='./file0\x00', 0x3fd, 0x40) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r1, &(0x7f0000000240), 0x10102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) getsockopt$IPT_SO_GET_ENTRIES(r2, 0x0, 0x41, &(0x7f00000000c0)={'mangle\x00', 0xec, "a94ee75226853d51b597e6fbf4bc590bbcbbe6d815eb3bd7f17d20000a5ca17fe695aa99df3545d1176c5ba5c855b47d27489c5c507bea7547e45421302cbf9b018efecc545b98bd90714673ff188858f7831f462ae78bb21b531a43fb7dff774e51ae3984096cca10041ed3f45e1c3cf5731b1f2e2479b5791cfe92ceeaf33421b226cd5cbf46a5f0ad451c701a2360b790b9bc43d144d38c036b2ce2099734b5c62de9aec43f1ac765d42dd2efc8fc0318986916fd587c928cde98165805002ac9b91639571135bdb7fa80fc9fafd206d119d6faea37846c101bf741e8760746245446d45558c1407f9bbf"}, &(0x7f0000000040)=0x110) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 3: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) modify_ldt$write(0x1, &(0x7f0000000000)={0x2, 0xffffffff, 0xffffffff, 0x9, 0x80000001, 0x1f, 0x1, 0x1, 0x9, 0x100}, 0x10) modify_ldt$write2(0x11, &(0x7f0000000040)={0x8542, 0x20000800, 0x2000, 0x9, 0x1, 0x800, 0x0, 0x2, 0x1, 0x8}, 0x10) syz_mount_image$f2fs(&(0x7f00000001c0)='f2fs\x00', &(0x7f00000002c0)='./file0\x00', 0x7, 0x2, &(0x7f00000004c0)=[{&(0x7f0000000300)="6835bd93fe2f31cc1cc656cf6b3fffe35fb5eb0c3b96f6722284db34c2e5a70f1262ab98e9bb953a7fd32c4a8f6fc825c3799247df3869cbde7ad8eb4e836e549e4fa01bc531c87e6fa71c8ebe0fafa50acdbf7a8f8299e43e64067b7a56bd3429b0218cb285567eddc6cb2d78aa541dcf188556d264e8f73661b7ccbe4f55aeb48690ce84f063fdccf23b0e5358cc1bb7e97bd83c401f54b2238b3b9a7f7f25ee6fc175d63b66de9367906c5747a12e5519d2d8cff424f6be079ecec12068d4413ddb2ae4bfb3d16e2a819178bad6e171a757d205b8", 0xd6, 0xd3}, {&(0x7f0000000400)="d79db8d4740a2fef5f65e37e3b3067bb655a7a0255a5532a5e76a2b43be59c22e366d1137d668cf3b0f37fa2fe2298deec0b3461a6655a98e5184ca49e49cd2f8fa25bdd5cf41eca80d08666055accd9a909dcd38fa8fcb176a214236ae624191e20241be81f9210febb376e6f97bf26e8e553d1a075ab9c0370ae44ede93b5ceb466f33e1d9e419242dede7177b69ab84921690e2b77599ecbf801c861dd7", 0x9f, 0x1}], 0x480, &(0x7f0000000500)={[{@noinline_xattr='noinline_xattr', 0x2c}]}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r1, 0xc058534f, &(0x7f0000000240)={{0x80000001, 0x40}, 0x1, 0x81, 0x81, {0x9, 0xccd}, 0x3, 0x7}) getsockname(r0, &(0x7f00000000c0)=@nfc, &(0x7f0000000140)=0x80) timer_create(0x7, &(0x7f0000000700)={0x0, 0x3a, 0x3, @thr={&(0x7f0000000540)="2ad81bdbe11bb7758cae157316cd60e87c3354da0a8939c2d0d21d027319dd6e04cae78a14f33fbfa0f8c70944df08dd4388732e88abf7fa862862356a031c45b1b5ad60590a11e87c53d0304589fbd40f72b8c966db918fe3cb658050bd1ff118b4a4233725fc49d1a3ed63b830fcfc02233a72c386f54313e75bbd1d6b2d40b6cb7ec262f42ddf857b56c2ad4c1ce73c09f6bf8c8e37cb7a7bf87396d6f08e00", &(0x7f0000000600)="0dfc0a70dc96042d6fe7fd501b10659ea5dd692036051359283a3f4bfb5b401c70db8b47b2c81cd96010ba97f4c128cb720bd46c93ac67158ca012cbbca73081a558bef67286a7c322e23d5df3e2c7ea08d7fac1016a6b22fea1cb5197a45551f4d1ceaca85f325072ea6d8882c2b68ba13260f97e40ba26bfc8339d796dd305b9c301c09b7a9d906d5722ce64fed24ed7ed11c031fbaf4c1fd56097f1591bc5b34ddc5d1a86c1c2e2b58ff28c07268ce8c6379d7978e8ab17d173df14a6e741aded5d99982eb28d85e824ff5ccc429864d70994"}}, &(0x7f0000000740)=0x0) timer_settime(r2, 0x0, &(0x7f0000000780)={{}, {0x0, 0x1c9c380}}, &(0x7f00000007c0)) 2018/04/21 01:57:11 executing program 7: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x101000, 0x0) ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f00000000c0)={0x8, &(0x7f0000000040)=[{}, {}, {}, {}, {}, {}, {}, {}]}) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 710.845276] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:11 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) r2 = add_key(&(0x7f00000004c0)='cifs.idmap\x00', &(0x7f0000000500)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000540)="09478de998201220cc05be02dded40306ec42877be189f24483f7d7b181c8cae30bcff2ca3cc9c12abb8cb8cdd2ea1d6570cd891f57df65b46fa835ccdfc19935e2645c4c9485b111987405e8560009330a4a48dd70c134a791f72229de7c219e1a809a98049adca194fee5168616fb10b0b8a891f833ff2deecec29a63b70c3452e72bfe375ab6823fb6e619c0c5990f85db06516d1504d591804808925b0ad5e35046534c268dc1b", 0xa9, 0xfffffffffffffffd) keyctl$setperm(0x5, r2, 0x8000020) mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6044, 0x1) ioctl$LOOP_CLR_FD(r0, 0x4c01) execveat(r1, &(0x7f0000000040)='./file0\x00', &(0x7f0000000180)=[&(0x7f0000000080)="74086e750000000000000000008c00", &(0x7f00000000c0)="74086e750000000000000000008c00", &(0x7f0000000100)='ppp1\x00', &(0x7f0000000140)='wlan1[eth1\x00'], &(0x7f0000000480)=[&(0x7f00000001c0)='\x00', &(0x7f0000000240)='/dev/loop#\x00', &(0x7f0000000280)='trusted\x00', &(0x7f00000002c0)='proclo}\x00', &(0x7f0000000300)="74086e750000000000000000008c00", &(0x7f0000000340)='/dev/loop#\x00', &(0x7f0000000380)="65746831db00", &(0x7f00000003c0)='$\'*mime_type$,security\x00', &(0x7f0000000400)='procmime_type\x00', &(0x7f0000000440)='/dev/loop#\x00'], 0x800) ftruncate(r1, 0x802) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000040)) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x15}, 'lo\x00'}}, 0x1e) 2018/04/21 01:57:11 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000000100), 0x1, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = creat(&(0x7f0000000100)='./file0/file0\x00', 0x130) ioctl$ASHMEM_SET_SIZE(r0, 0x40047703, 0x81) mkdir(&(0x7f0000000140)='./file0\x00', 0x20) umount2(&(0x7f0000d5bfff)='.', 0x6) 2018/04/21 01:57:11 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) socketpair(0x10, 0x3, 0x4, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000000040)={0x0, 0x0, 0x4, [0x1, 0x3, 0x9, 0x5]}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f00000000c0)={r2, 0x5a, 0x7fffffff, 0x9305, 0x0, 0x96}, 0x14) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000140)='team\x00') getsockopt$inet6_mreq(r0, 0x29, 0x1f, &(0x7f00000015c0)={@local, 0x0}, &(0x7f0000001600)=0x14) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000001640)={{{@in6=@loopback, @in6=@ipv4={[], [], @local}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@multicast2}}, &(0x7f0000001740)=0xe8) accept4$packet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f00000017c0)=0x14, 0x800) getsockname$packet(r1, &(0x7f0000001800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000001840)=0x14) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000001900)={@loopback, 0x0}, &(0x7f0000001940)=0x14) getsockopt$inet6_mreq(r1, 0x29, 0x1f, &(0x7f0000001a00)={@loopback, 0x0}, &(0x7f0000001a40)=0x14) getsockname$packet(r0, &(0x7f0000001a80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000001ac0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000001b00)={{{@in6=@mcast1, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @local}}, 0x0, @in6=@ipv4={[], [], @broadcast}}}, &(0x7f0000001c00)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000001d00)={{{@in=@loopback, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6}}, &(0x7f0000001e00)=0xe8) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f0000000180)=0xbec5) sendmsg$TEAM_CMD_NOOP(r0, &(0x7f00000020c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x41}, 0xc, &(0x7f0000002080)={&(0x7f0000001e40)={0x224, r3, 0x400, 0x70bd29, 0x25dfdbff, {}, [{{0x8, 0x1, r4}, {0xc0, 0x2, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r6}}, {0x8, 0x7}}}]}}, {{0x8, 0x1, r7}, {0xfc, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x80000000}}, {0x8, 0x6, r9}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r10}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x3}}, {0x8, 0x6, r11}}}]}}, {{0x8, 0x1, r12}, {0x3c, 0x2, [{0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}]}}]}, 0x224}, 0x1, 0x0, 0x0, 0x40}, 0x8080) 2018/04/21 01:57:11 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) r2 = creat(&(0x7f0000000000)='./file0\x00', 0x2) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000380)=0x0) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000001580)={{{@in=@rand_addr, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@loopback}}, &(0x7f0000001680)=0xe8) getresgid(&(0x7f00000016c0)=0x0, &(0x7f0000001700), &(0x7f0000001740)) r6 = getpgrp(0x0) r7 = geteuid() getgroups(0x3, &(0x7f0000001780)=[0x0, 0xffffffffffffffff, 0xffffffffffffffff]) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000017c0)={0x0}, &(0x7f0000001800)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000001840)={{{@in6=@local, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@local}}, &(0x7f0000001940)=0xe8) getgroups(0x1, &(0x7f0000001980)=[0xffffffffffffffff]) r12 = gettid() stat(&(0x7f00000019c0)='./file0\x00', &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000001a80)=0x0, &(0x7f0000001ac0), &(0x7f0000001b00)) r15 = getpgid(0xffffffffffffffff) r16 = geteuid() getgroups(0x1, &(0x7f0000001b40)=[0x0]) r18 = getpgrp(0xffffffffffffffff) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000001b80)={{{@in6=@local, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@dev}}, &(0x7f0000001c80)=0xe8) getgroups(0x1, &(0x7f0000001cc0)=[0x0]) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000024c0)={0x0}, &(0x7f0000002500)=0xc) lstat(&(0x7f0000002540)='./file0\x00', &(0x7f0000002580)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000002600)='./file0\x00', &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r24 = getpgid(0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000003b80)={{{@in=@multicast2, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000003c80)=0xe8) r26 = getgid() getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000003cc0)={0x0}, &(0x7f0000003d00)=0xc) getresuid(&(0x7f0000003d40), &(0x7f0000003d80), &(0x7f0000003dc0)=0x0) fstat(r1, &(0x7f0000003e00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r30 = getpid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000003e80)={0x0, 0x0}, &(0x7f0000003ec0)=0xc) r32 = getgid() fcntl$getownex(r1, 0x10, &(0x7f0000004880)={0x0, 0x0}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000048c0)={0x0, 0x0}, &(0x7f0000004900)=0xc) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000004940)={0x0, 0x0, 0x0}, &(0x7f0000004980)=0xc) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000049c0)=0x0) getresuid(&(0x7f0000004a00)=0x0, &(0x7f0000004a40), &(0x7f0000004a80)) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000004ac0)={0x0, 0x0, 0x0}, &(0x7f0000004b00)=0xc) r39 = getpgid(0xffffffffffffffff) stat(&(0x7f0000004b40)='./file0\x00', &(0x7f0000004b80)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000004c00)='./file0\x00', &(0x7f0000004c40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r1, &(0x7f0000004f00)=[{&(0x7f0000000240)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f00000001c0)=[{&(0x7f00000002c0)="7f353b632735807772a24487cb9237a34c0db385f4aa37520e292f3c27348f89d90a6ce9ab5a1eb3456eb239130d581f2c4c5ee2331884a4643c751cced76a150b986d4348e41601df6bef07840e24a6ef026311cfdde8e45131115543cc89e81f82453d3bb3e84f7d2cb66739a63a1e1ca3afc6a56b4026bab31164a1b23ac482ab3e", 0x83}, {&(0x7f00000004c0)="e9db4773c03b1905261fc89f79bae50de7d8cbd698c88f141ed63c5e649d9a26f3077d01f0e96327dca505dfa4d8a69d1ad262b09c8a1e36eb5912d237ac0472289516a01a4c7f72d98725dca98462b5cb95af14c2fdd197bed78514c94e4260c0f51826f8bba875e2f4968c524b7156e8681fb14d376deb4ff8b8f75876080944c931a4edc0a1c426d4a079f5163032490f651d103be61aec23b96ef9f12704e77319e6da4b7a241a75ad6aa932356b8a6c99893b89", 0xb6}, {&(0x7f0000000580)="c21fe1a71657967636b618fd8f31de2e5650c88357f5e9fa8bd7939b101e8008890f41d1a467e8a6ffe202a17b032d28d18f4ca90d4fe0bf84530ca0b7675bb9cb731447123af01142c5ce31a566abe1aaf7e2b638342ae27bfd73b4b9eb0a913830656d5f9059f7b8a57a97bb3f65c05e41096cca87ed7e29cab13bbaff46d85f10f676a7a8dd8e11d389584dfbaa56d88b52e8950469d06f725922791c09bc748d05daf22238b1fe58f7b55031322824cd5288378be0d10f41cf1b41a8f42ca9915a09a0a80b8e826f6cc85f4e84babf7d1224335690e9c8ef0c36fde8cd3ac862ec1753f4113ff49e25cb7787dd185e5c91eb7b132c40d7d8a0436a7cce72d05bc567f20c7b8febf1a90484405f7be153a0d2315aeb0fdf29ba9830088ff72cdad0fdbfba1c1f7b024a36df97ea133f2c5c4e842a5b93dd52f02bd0b82b61b75a685715f7fb3bdd37987b53f17b6912ea9f61a6f56e0895e7290aa6c234824cbf027a247c7c0ff97ddddfa3c16f18b5df1f67d1716036e09cf6aba81082314a46618cb207c2a0667948def22239ed137d2d99266d4d49cf378e3d69b19d5d919d0efd26d7bb53acb6e6195e922230dc3c2c7e94d82f208ac92f8f7ee04550fe612cb626d2b1d4d98c43bf05a4cfd0d1af71fee147452560e52008537e856f13d14f4ad138c8b97fde8f27827d5ba7c2ed3e969bb5aaddd5a4b3e8c8481f9befe4715a39be74ed36effe98fe13f1b06666e718b2646264f70ba3f63cf12bae739a4bf8483a6330d911cda859d1cdb6cccc53c514f0ec652ee1205a71c6b2d636f99b5540ac2e4207f738cb774adc46d765c412894b6385a777c0d404170a3d88f492b5b83d6ba4bfaee5b93b85f18bd314425a700d7708e78d19edfe24c9f928f6b0c4ceba185f19e33d72afd53953c096f06edc92c747f37319ff454ddc056028c53fd3167f900e9d6934a3149347557453463251ba36501f6a9f0568235a6041a98c0eeed0e8c50461eacee4a0a49208cdf63d1351db9f8ac8febf4c7d2fe1c72618a7bed556f9e93d6d04fdd55dfa65bae44e3b08372bd80108438b3acf34c7c831b8d467a835cd5a0419fa704468416ca9e51a8f832f050b4041f33f9b41c17088c1bdf2e5d363d40245c0abeb2b86be7f4fd9232b1fe547cb91260c9518b8e3a7b9252fe10454ac97e24ede1033c7e516696cec061ba73aa34845bcada19cccb71e05da4f77517c45146393ec9029c6c310a44c4bcd794615c2cb7c1d65a31201148c2cf20a31c3f984e8370926844535ee294df5b2090f0e2ada37f0ae29ed0565d7cea47e8cee6cf1c0b7eeef00896b35411e157838a70ff7d797df0758ef77c3af60b3b32dfe0e617581d93980a87bfe6e25b084bcaf09fa5115eaebf39480fe00b4b755e769ba21f83990ac0f604c86f508a58e8726a61fa25b67fa0862e0bc098eb4ee12f25f9b65bb160c61465c0ae7f4f172645cd9e45f4b6fa595f8937b97ee681072c510e511c3114bb2bf52cf06e252caf46c2781ca2fbebd7ad090b71892a209af0cc949edcdcf83574e7f5c63020586b83c74df01eacef4a4221fd5de5a23f51a4039b73af6231489b57f1c8169d25a1a48b83640120686db220ffe73d4255c9b229fe78f8148eab96927f201f25bd32b8c35bf37bf6e02c1da86e11d6c54edebd5865807200e56733b7651c95d751b3f60f384fbfd3fe382b642a8a1e6ddc35df1e295e8636bf449b260843ab74741cd1afc332a6eaad0ea44773516ce3e93c22f5fdf33a5d681db627113c547a72b6ee6ae08fdfd9ab8714f346205851642f7bbcabbb3e9b1db4d4f95317640ded459b2f8c8bfc01c58b6ee554bdacfbaf6d34e2bbd8504dd78738b36a7cc738df3d871845c6240a5d971cb6711a55ddb3c0861702556282a24775f1fcbbf50be7b0bb8505583bc02964b890754c40c38d2e1bc566f50455310614d083a64628929015b812cf6d538e48411763d0f673d352e1d8d78e22c3d8c455a71e8219ef30ba366b3c6f3259a01ce60224d21e3f7af80c26e839e47f236e8d843f3ce2388fc278f1dcb15b5c1ab222b5a7b2c18d4c79784755617e78e69aa46c6e6f5ecb3570a73b3ae1106c80e074bc7ecb12dc27904c69fe56b33952e151f33a1830c8147a2d05a39162453006ee1c848e16ac6341adbd76fbfeced9b41dd8476811bfd4eea07b2a15392f009cbc41344922af40cd368136e4998fa9c0031ecc3708b5476a6dc497cd370efd10df389365b84c8755c93927d96f3ecb439bd515c194aec6363af811380bd223387581b295a743fd06e6a53b51199c863dca894ee49b57e9d2fbaa1b5bac0ebe808f5c99f29cd72fcee114092f00720eba4d6e07d20613231a2559e58a8a1e9b85dd512897ac4a8a3176dafa094c3a8f1504ebd8650276aafebf5a2706e6c3c975808ad224df218a23c604657c238c94b60a247dce5fe72ef0f50bbb6681e6d6a8bb94439ba1b484f7aaa5a432f59f181772e3dc9df0c01ed053985d6a4d93656099b01500dd8f96c1d2829615a247ac73ce53291a6578605950d60d36dffcf70518486255c5fde5b40cd9c9b05be873abc2b494dfbda6bc126d09b3dddf368e4e178660392ae1f17a505bb7d21a9f1cb337e074e7e03b0375b0b9c8f7b31ab5e036e2057e22f8de31f2d6b34fc319970831c89926938489883673212762df27e5131f36ebe03ac52eb5a7827b998385e733e9c9612b7c04b6d736ea3d295e092b60be785dbfc9e3a93127af581d2c560177da1d1da3840b35b68c3335d9659f37b57a2819388fa4b6c4264f3b6c17d9ee561421184d61b19febd8d3c2dfa1d4d5cd7df56432233a00d9dc99ee2a6abb3c5fda166d8ae26ecb52e714e68c95bbfe29a7b5facd6bc81b073bd231e97101e2e4d8ecf7396d421fb3af43e171ccf9df296615fa97b1e1e8a0b6478bafc6879b7186a7b1110b7e9cef37baea1cdcd8f868318fa7bbd537087c6b5067172227e041419ea0f13f5c1e8ff3fd2a275aa60acfbc7e8b94437ca12337b5b7c68cced3b88e4a172df7e77ebd2cfbec7ed3b643496601bbd5d441b0096d57cab70caf3b03ef563fa137a522f35d74b97a96a4552fd75f71adb2c1ddefff00496bf4a1a50086800cfc75f02e91425fbb2a4064cb932a6fb461909af1eae1dd4cd26fa369c0f46eb37122529060df71fb3a1aa8593ae006bdef6d20a2b3e507d444ee5c2243c55ffb87554d6f6acf6713fcb5e0889d7871b2b81513e5965cf051110bbab0d9f21cc871686a87652e42c905a2e6926db6fdcc28c3910824292b777e06730403973465d1c6a2d6e46c1cd962866f433fb5124975a5f31932837ab08924f45bdc44cf8067cab58aa0d9d5ae0a7c82b1a066427c2098013ea116199f61c3ce645df8d6d403f4accd77306e85b4bd91d71c1ad4001513bbe44886dd47d4f28f7907ee45cf5291f6beb9bd4b26f1455ab6b17418811192b2057ebb2f9f588749dc3594cf3faca1287297a8f6b35421d4e8870604a305cab7e305449222d4c14896942c50f348eb18c1650c19401bfa54b688f7e05eee36411847e34b1b7ecff1ec42f4413229f41407d9ae2221324e09cce0cc130fb57b0e7e870a17744052c76852aa961546c35aca61c982d9b6b043702af21b5558262f2eadb469aee0ef814ca69edf3b3dda537ce0f7ebfb1952ec3071f90b76891bc78ca37e4a47341dc2cf1d4622ad2bd46155f04779f74635231e03924f9cfc2fe5bcc6731bbf1f0c6f778a8d6d7bd962a7b4ddf5079b5c6ba2e7da63e37e85f5dd4d83cebc1e5c3c59035db3dbf51b83a09b2c0360fa24bdeaf7ba8785f194999a632a1a24625919259bf8401509c07db132096bd546e9fe920998a420538329525bba4d60bd4022f58d66d12d32aaed49650ff12101068b04920c95e826d79a9b223eccd6d04cbb2558a5ef37818693693465ccacb5a2131511b3a275fef4ebd203f6e9e78e15d3f31a4360d91f75b5999fc0e6c541b4b52e5a82c26ef7a5d1b535bc4f1655395a1a146489a59c77aab6800e1faf93b98948bc2cbd4ccea85e7d1761e8dc20e965753005c1f482cbc67b324c0a92370d24a650478f08eac24fba07a2f0988b0300e5fd10206ac10556a75aeb094c2162059edd2e7859863f6a7acbee096c7591df6fb68f0ec9c53538dcb1a990981ea4bb7f88b8700d419b0e9ce32e96b3ea2f2919b73c7a17fdcc5a143b4cffb82edeebdac5f23acc3591c1ac6258230b471ab862e0027f8824482ff6c98c28d3156ad1fa01a84ae1424656c191ebed4905f386041c7042654ab8de4954ef79f3c8159771d6dcbe6059244898e7ef955bf54cfbff5ab672e212a02d6e69acedad4bafeabc7a205803deea3da89ed453199a02fd4bb286d3b5a7e2cea32a41d58f225f9e10a30c54d893c2b8c30e73493b1e63bb658bb07def76b2cc6656b5841a0e7ef32255fc28d1ba0dca35024c638ee299c48d090add945fae1d0a2bd135ca5f4b567110ff3b75b2e72475551f44a82d00e342456c0db3875092d76bc3ca0485d87e1fe1bf9a7552d10cb5703ff3e7dc3c678a8cdeeb2d39160c549d3a989e0a1f42371d598c07042db206dabe58aed73b4e5355535fb695a849868a575fbe67a2cda03d53f5ee0e2a157d7a8848372f41c3d557c5743ffcc5f6f1fd954cd77db3de7dbea3f64409d45341736f13dc5ce14b336a26e1c820c6e58a9253c4dc45f3ef05980ed6c6654bf27918a71d9aed7ea578235b5d8aaecc23a2a89005541025178f48587f0a9d328df0d1f718a5dbed74e6b68243d66f373bfd38db100eed3178dd192e266ce46284c05d30ad122fd2620d75c6c538576f976a05f901a53397b82f1fcb69d54a316342c66ae79af3b9656ae5aaa4c7ed5dadb47364bee861a649af7ef2b8cc5be5ddba39449ffaedeb4dbe15a3a42d41195c3f018ad23ae4f0d2b7c21bd7c5ef78d003f79dd323910b054f574db44d0c5ad51ce1e40a7a00dcda1b81cdacd5e60013056483c3d5403702743f3c1dbb1336f6d7271b2056ebeac15c9dd7c2c5dafb62ea10845926f696dd95ba38bbf41053f89e8e631732bb38bc1125a4f32769f27347d2c55f0bf70e56cf0807870b1e9532cc05417a2305cf78b7106e3c9fd1059db58e95e91b57a62923ff9abdc9b36b8bd2d05bfae0cb735f5bc364f29d0ab7c013dcce37155bd920d3839c10491d01c0fe7d4addf8b21a9eec2dcdcaa4128508363e59129bb830d36ab5f38111c818d49d949bfa19ea81da08773a83488aa620bc27ccafdd4c2d1bd56fece23f8f184c246fcd5e9e79d11da3aa4e756e2b1b5e5e7b6519b4c4a98debb2afa03763fc830bd53d58326ef78c163e82c3672430d02a2c368c277af42f1f878f81343688e78ed93e8849bdce46e433c9b1608c1ffc77172af2fc8343655e2b88f50bebd74ff014b922534638ddeaff363fb011d25ad34cd711ee7df98c0174855b88cfa3790daf3273b6aeb4ae8412fde585253412ad544d789974d9a4c07c94ae2955d7f78b5adb6d66df3623e7c7f5eeb7ae16bd0f41e43847c216a6c972a53d2363e032626791aa7d193adec8d25a6275850f8ae9958ae5cb676792c2477b4879604627b0d643ad32b0dfb02bc324fe2e544609b694bd41d5f76f78809abb10f27fc693598747cb8d0eb4fa25038659c69203e8a9551cdf8e70ebee836a7f76cccdc27554577d1a4d4c8cd89da72c84fa68d74f4976bcc85bebc45261c0e34aa0c4c1e5539edb1efdcdc4a3a", 0x1000}], 0x3, &(0x7f0000001d00)=[@rights={0x1c, 0x1, 0x1, [r2, r1, r0, r1]}, @cred={0x18, 0x1, 0x2, r3, r4, r5}, @rights={0x10, 0x1, 0x1, [r0]}, @cred={0x18, 0x1, 0x2, r6, r7, r8}, @cred={0x18, 0x1, 0x2, r9, r10, r11}, @rights={0x28, 0x1, 0x1, [r1, r2, r2, r1, r1, r2, r2]}, @rights={0x14, 0x1, 0x1, [r1, r2]}, @cred={0x18, 0x1, 0x2, r12, r13, r14}, @cred={0x18, 0x1, 0x2, r15, r16, r17}, @cred={0x18, 0x1, 0x2, r18, r19, r20}], 0xf8, 0x8040}, {&(0x7f0000001e00)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000002440)=[{&(0x7f0000001e80)="5dcd9ac442bd556f57e0d103eb85b1ad99a039ae47fcaf55628a2ee2207935752af26ab1d46120de846ca631bae2a816b41cdd71a3ab2d107c7b074e62a4bbaea61b6b7fc2aa77ceb111b73437ecc26fa679c8d605591da7061820c19bcc58234956ca771a13518c8932264bb6137b7e99451cbad4b365064b8d6c13207489cdb87cb1450340bc16669f2028457a4fcfc9fac51c9fe9c3a8ee4c7479b7d4c4629f41cc4b5ee8aa52d752fdda3b912b53fa08b47dead60e176896681b4162e3b0cc1cbb5a5389cc846ef7ace4ac76033e0203de122a0bc0bdca2321", 0xdb}, 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{&(0x7f0000002880)="0c1b0ab953b449154de01dd03cb7e1b60490edad786efcee94e7d8319c75fb98d639f802ea13ca2644ac69bdb8bacdef1633bcab2b4c3af7eb2c34b897ef7a4bf553374cd6946cc9814f68e06294305b2d40608ee4ace7003f8f62554f376616f195a091f3cbd6dbf90f4cd3b106a3c9d273ba1acbee21ca773735f83ff014616785fee00049583deef24581fe10b3f595311bd16cb0a895cf7fff10f8f5431955d6dc69d2992c52", 0xa8}, {&(0x7f0000002940)="ea3af1b6429928e635565a52cc955b92411aa4737e", 0x15}, 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0x1000}, {&(0x7f0000003980)="b4f93ac24e73942fa4528e0f00b5ba8d5f358c900c3674b6e926a62386b42bc85334d85dc2d76c7dad2cd104060fa79197", 0x31}, {&(0x7f00000039c0)="0d531f98c6155c8e2accb15df4ffb11cf268f53c37c352741aab82524da7", 0x1e}, {&(0x7f0000003a00)="e3d98574042431ae0e702a20b56dc72268521c527a1650951bf86e515ecd945755f884eba2522fa532c8d1a9fed78ce15ccc17f70cf947cf4cb3abe9b1da9b4cb908b42d91b1b3297d7dfc40712c93c9b4f1f31aebd46a88f95fc6e73e67360e152565b2890d98414283cab4b124e4b3335b476946e1d8a4f491eb9332f300ec10946b1f5fd483d73bd633e1fc3c1bc70fd19038472436494be1a9f37653c5a2fd1d6469c827a5258f11fb8746c6c7eafa8c8b", 0xb3}, {&(0x7f0000003ac0)="6ad548acec9a676abe80180155d6f40e72210085ac2aa5065b434c7a716669fe73e451797937731913e8da14b6ebc23709da8ff93da040ac6e875e4d81bae24e0dd651070c1dc29281f6fd6ec5fb5f971acb632c957369862d00157490", 0x5d}], 0x8, &(0x7f0000003f00)=[@cred={0x18, 0x1, 0x2, r24, r25, r26}, @cred={0x18, 0x1, 0x2, r27, r28, r29}, @cred={0x18, 0x1, 0x2, r30, r31, r32}, @rights={0x18, 0x1, 0x1, [r2, r1, r0]}], 0x60, 0x8d1}, {&(0x7f0000003f80)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f00000040c0)=[{&(0x7f0000004000)="b8293e36b9ca8cf32e736891cad0994e66a88c17829ce0b59107572324dbcad7ac004e7c464a34390f1a0753e41044432280691e1f90ad2038aaf8ee336fd57eb33e227516dcb5cc2269160a2b291ff91c0c6cb164d0fa7f7e3a097899006c2e5701fe95d76fdb3ba1a54d2c6c920819ddc4f47663206661ced265de7cf1824f768c", 0x82}], 0x1, &(0x7f0000004100)=[@rights={0x14, 0x1, 0x1, [r0, r2]}], 0x14, 0x44}, {&(0x7f0000004140)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f00000044c0)=[{&(0x7f00000041c0)="be57ea85e7ce5ae236d98c131b94236e11ef6351c9b023c9b2c15bd9065ba36760c6ec05df1be751949c065d1c5357067b37ab364dbf5003f94285ecbc37a477d6161844ab4fb7717b7e232adfcf116072bfd6b9f87cf14cf1ed6b80751e0eb23bb155eed8d45cfdf90160ed15b2de934d323ea30c7aa45d5475f73f6df81da4e19ce50fc6110b7bf972400875b7cb8afc8f5082ebc3083ee30f63a2acfdbe47a85c4ad6aec5f56807339c7a67f9f301104eed7f1e030771b42a330a81fc14a1a54152e15e0b1c3537d37b83f50942a4b483555943f4e2821ca4fbb33cd8a46246cbdc3e671a4fe0a4aeee02ee98c3cc", 0xf0}, {&(0x7f00000042c0)="12cb1659ec0ef7a4bd0f22d6689d25eb2e878d87565c0b083502", 0x1a}, {&(0x7f0000004300)="03b3d50fd063bc5be86dcb11ed42fedecb2c49a1", 0x14}, {&(0x7f0000004340)="f1095c9250110fdd93e9aab13db2cdf923a2ae6848910acb597cea71d1de6441a9b6457e040fb61576c3ce563ed549bbd63a51b7a0cbc24bd0a0b42fbfbc78df4b2bf3959a77d42e5ec722467474df13e02ab6dd11ef29770c58dba225d9fdaba5684a33fe67acbadfc09d84aeb41e1410cac56635d035bd9ebed9f544bd1a7b1569219e546c00960e0c08ca6ace627534d533166c2731584d010057f300af7d", 0xa0}, {&(0x7f0000004400)="bc30afebe4fe96742a8809370b237bac71c4c14e551763aa9b49fbd7a831231aa0e3d099ea46e776e7be6a99b0ed83aa3dd049c3ce7eb00fd06dc5914e82a0940c2a316cba9ac4eff8d1b4301658a687a363c8bd6d05fd08933dbd4da9d1d0ebb2e96b61e95c1e3a7f7179760d7ba90be62187c7743043f5b77c171c2ebf7b73193a2501ddec26847fd51aac414592aa7e01389531611ab6b38dad285a3189301d", 0xa1}], 0x5}, {&(0x7f0000004500)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000004840)=[{&(0x7f0000004580)="022e820c607abf2fc77c4a79184c46ca645e56d9d00f4a6af66b4475835369f18438749ac6f9ca63c73c40e559fa148cb01e4bb41a7613f806b6138cbfed76b51cbe437cc0bc3b4991d32c17cc14460a2c954e8a32a3bcf816fe10a6a62a52f6b4180b25ef46d23486276a360257cbce2f3497d94c5a93f52c5984f2333b9743a6bd8f1bb5705fb278", 0x89}, {&(0x7f0000004640)="03e63e3578a310e1bcb2116c85a705c15565773b96d9919e1207117563c2bdda374341620f3fad47c113a6edc5b26dce8e66142534c29dc53d56b57595f8eb8bcf75ca63", 0x44}, {&(0x7f00000046c0)="c25b972ae84518", 0x7}, {&(0x7f0000004700)="10dee21000c28e22a5c04833cfcce8078a096e98b9761d6a889c7e8c168c729ee89a7d70ddbcab20586707c3ff4bec0145b766d2e5c434b36c34d9599d61dd30c4dc84e4a5c2b5d62f343e12b801af7470532c98c92cc0da7749e482cf05b47fdc0ba8a4cbb541dfdd082df9c13eeb9b508a60ee4b3dd76232b85bd49d66006ee5", 0x81}, {&(0x7f00000047c0)="43219ee5ceba2787dd4824424afc7753610a139439c6c04403579df9ed5d3b6bbff68aa8257954f3c86ffd16cbadf0f3c949a34c71285d7d2aa434e58f7f6c343f", 0x41}], 0x5, &(0x7f0000004cc0)=[@cred={0x18, 0x1, 0x2, r33, r34, r35}, @rights={0x34, 0x1, 0x1, [r2, r0, r1, r2, r1, r2, r0, r1, r0, r0]}, @cred={0x18, 0x1, 0x2, r36, r37, r38}, @cred={0x18, 0x1, 0x2, r39, r40, r41}], 0x7c, 0x20000080}, {&(0x7f0000004d40)=@abs={0x1, 0x0, 0x4e23}, 0x6e, &(0x7f0000004e80)=[{&(0x7f0000004dc0)="0d2b9616da7bb1cb886399d4107a1755c6ba700a2a428af1dc7583a4637fb0ad06848eb380e04e889fa3150c00223d0f0aeb8684bec407ff00166f89303291f245db3b784d6c5a6f92321a0364e24be8fd68870e86fc3ba88b36d2483f9086c080cabc538e4b08d48dba0e671fd93ad2b636804ca6a8f3da93ca06c076b329586ddd6a7f666190ed", 0x88}], 0x1, &(0x7f0000004ec0)}], 0x7, 0x8080) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) setsockopt$inet6_dccp_buf(r1, 0x21, 0xf, &(0x7f00000000c0)="9a8148a024503a3aa55192ccd929f597404b9d598d0aebb2997c0844a7f1b689eca0c413976c452bce77320945a4c0169f11aabda1cbe4a69c304a2333306b224fe303d7a9beb80f5d7537345071c70404e873b9b7f59c5f2038a2a0f8d6c2ccbccbfc4ac40cd801bd3d01b37db41678b44f488c61063b6f35578c0e7b0223c1928eae80d9031bb0398334af65721355bf1c2c8703a9ad014c4dd42d1a6c3cfd1ae1bfaa420459fa0c99033c1777d9fffa0fc25515655976a23243706d310d1a3a19d2f12c2a84a183f8ab40", 0xcc) ioctl$TCSBRKP(r1, 0x5425, 0x7) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000100)='./file0/file0\x00', 0x20, 0xfff) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x100, 0x0) getsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000040), &(0x7f00000000c0)=0x4) r1 = accept4(r0, &(0x7f0000000200)=@in6={0x0, 0x0, 0x0, @dev}, &(0x7f0000000080)=0x80, 0x0) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x4400, &(0x7f0000000200)) recvfrom$inet(r1, &(0x7f0000000280)=""/185, 0xb9, 0x160, &(0x7f0000000340)={0x2, 0x4e22, @loopback=0x7f000001}, 0x10) 2018/04/21 01:57:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x2c, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x30, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x4, 0x16}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:11 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x80000, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40047703, 0x7) r2 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) r3 = memfd_create(&(0x7f0000000040)="74086e750000000000000000008c00", 0x2) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$VT_SETMODE(r3, 0x5602, &(0x7f0000000000)={0x7fff, 0x1, 0x1, 0x20, 0x401}) 2018/04/21 01:57:11 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dd000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) sysfs$2(0x2, 0x4, &(0x7f00000000c0)=""/190) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$TIOCMGET(r1, 0x5415, &(0x7f0000000000)) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 711.650813] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:12 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20100, 0x1) bind$ipx(r1, &(0x7f0000000040)={0x4, 0x5, 0x8, "a399209548c0", 0xfffffffffffffe01}, 0x10) accept4$packet(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000280)=0x14, 0x80000) bind(r0, &(0x7f00000002c0)=@ll={0x11, 0x1f, r2, 0x1, 0x0, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}}, 0x80) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x23, &(0x7f00000000c0)={@loopback, @loopback, 0x0}, &(0x7f0000000100)=0xc) stat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'veth1_to_team\x00', r3}) 2018/04/21 01:57:12 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x30, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x4, 0x16}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:12 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000140)='memory.swap.current\x00', 0x0, 0x0) utimensat(r0, &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)={{0x77359400}, {0x77359400}}, 0x0) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r1 = dup(0xffffffffffffff9c) ioctl$PPPIOCSFLAGS(r1, 0x40047459, &(0x7f0000000100)=0x424000) umount2(&(0x7f0000d5bfff)='.', 0x2) ioctl$TIOCCONS(r0, 0x541d) 2018/04/21 01:57:12 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = add_key(&(0x7f0000000080)='cifs.idmap\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$get_security(0x11, r2, &(0x7f0000000100)=""/88, 0x58) getsockopt$bt_BT_DEFER_SETUP(r1, 0x112, 0x7, &(0x7f0000000000)=0x6, &(0x7f0000000040)=0x4) 2018/04/21 01:57:12 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xf4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0x0, 0x4, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xc8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3b07851a8110acc3f9a11b1ce"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:12 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:12 executing program 7: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x200, 0x7}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000100)={0x0, 0x3, 0x5bc9, 0x2, r1}, &(0x7f0000000200)=0x10) mkdir(&(0x7f0000000240)='./file0\x00', 0x1) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:12 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000000)={0x2, [0x0, 0x0]}, &(0x7f0000000040)=0xc) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x3) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000000c0)={r2, 0x8000, 0x2, [0x80000000, 0x401]}, 0xc) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) 2018/04/21 01:57:12 executing program 3: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000000100), 0x1, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = creat(&(0x7f0000000100)='./file0/file0\x00', 0x130) ioctl$ASHMEM_SET_SIZE(r0, 0x40047703, 0x81) mkdir(&(0x7f0000000140)='./file0\x00', 0x20) umount2(&(0x7f0000d5bfff)='.', 0x6) 2018/04/21 01:57:12 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x101080, 0x0) 2018/04/21 01:57:12 executing program 5: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$TIOCLINUX3(r0, 0x541c, &(0x7f0000000100)=0x3) readv(r0, &(0x7f0000002300)=[{&(0x7f0000002380)=""/180, 0xfffffffffffffefd}, {&(0x7f0000000240)=""/4096, 0x1000}, {&(0x7f0000001240)=""/84, 0xffffffffffffffcc}, {&(0x7f00000012c0)=""/4096, 0x1000}, {&(0x7f00000022c0)=""/54, 0x36}], 0x5) syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x6c631203, 0x62800) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$VT_WAITACTIVE(r0, 0x5607) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000002340)=@req3={0x8, 0x1ff, 0x999, 0x80000000, 0x7, 0x1000, 0x5}, 0x1c) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0405405, &(0x7f0000000080)={{0xffffffffffffffff, 0x3, 0xfffffffffffffffc, 0x3, 0x1f}, 0xa3, 0x0, 0x6}) ioctl$VT_SETMODE(r1, 0x5602, &(0x7f0000000040)={0x80, 0x0, 0x90000, 0x1}) ioctl$TIOCGPTPEER(r1, 0x5441, 0x1) 2018/04/21 01:57:12 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x80) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) r2 = fanotify_init(0x0, 0x400) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r2) mknod(&(0x7f0000000080)='./file0/file1\x00', 0xa220, 0x2) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000200)={0x2, 0xfffffffffffffe38, 0x8, 0x4, 0x8001, 0x30, 0xffffffffffffff7f, 0xff00000000000000, 0x0}, &(0x7f0000000240)=0x20) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000280)={0x9, 0x8, 0xffffffffffffffff, 0x0, r3}, &(0x7f00000002c0)=0x10) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000100)={[0x33]}, 0x1) ioctl$int_in(r4, 0x0, &(0x7f0000000040)=0xa2) 2018/04/21 01:57:12 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) r2 = creat(&(0x7f0000000000)='./file0\x00', 0xc6e8f2650c13e312) mkdirat$cgroup(r2, &(0x7f0000000040)='syz0\x00', 0x1ff) fsync(r1) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x93d41192510db751, 0x0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) setsockopt$inet6_tcp_int(r3, 0x6, 0x1f, &(0x7f0000000100)=0x7, 0x4) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:12 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x94, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x68, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 712.292021] blk_update_request: 5 callbacks suppressed [ 712.292027] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:12 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = getpid() syz_open_procfs(r2, &(0x7f0000000000)='net/tcp\x00') [ 712.435516] blk_update_request: I/O error, dev loop0, sector 0 [ 712.441570] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:13 executing program 7: mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:13 executing program 5: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x82) [ 712.725893] blk_update_request: I/O error, dev loop0, sector 0 [ 712.856221] blk_update_request: I/O error, dev loop0, sector 0 [ 712.862281] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:13 executing program 3: r0 = socket$inet(0x2, 0x3, 0x6) mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x0, 0x12, r0, 0x0) 2018/04/21 01:57:13 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) setsockopt$inet_msfilter(r1, 0x0, 0x29, &(0x7f00000002c0)={@rand_addr, @local={0xac, 0x14, 0x14, 0xaa}, 0x1, 0x1, [@rand_addr=0xfff]}, 0x14) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) write$binfmt_script(r0, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '/dev/loop#\x00'}, {0x20, '/dev/loop#\x00'}, {0x20}], 0xa, "a8b13c928af638d6ba33994ce84a390f44508d6a0aba1b9e3e05d0ea69ea062cbaa17e9e0bd78d7ac84330df1c6e07c316ba763278485818c100ac01d88f49ecd07be095a7286ce20e4ac45d2c6fe69defd3f7b300daec1894e91469c251b80f89131c9eb5457b5b01358e8686fc078d8c"}, 0x95) socket$inet6(0xa, 0x0, 0x400) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fchmod(r0, 0x90) socket$inet6(0xa, 0xa, 0x3f) writev(r1, &(0x7f0000000000)=[{&(0x7f0000000180)="81db40b283015b190ae618885c9e6a825f74099593217b0184d40f1c2f9108746dd8259272106e2fe72d5d1871857f463b7ca4ad75621e5b452ad2bd604833bc0aec2d2d0c7bf35201f89225c42ea2f982d6ce45078fb5abaaeef923bd21daea9ac0d93a53318f34000e2b113f315788bde0da", 0x73}, {&(0x7f0000000240)="5b6708e17f4d79ebe38a2f22ec84ba8674ef2e9b7c5dcc61f2e2c1e0f5f8eb6de2ddec398c4e4e08e56a415253a860065e7bcc14c962f162f5ce1c893659aebf3101dfc0f9958587137617bc773e054990f4d37614", 0x55}], 0x2) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/04/21 01:57:13 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f00000000c0)=0x1000000000, 0x4) ftruncate(r0, 0x805) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x2a, &(0x7f0000000000)={0x2, {{0x2, 0x4e20, @multicast1=0xe0000001}}}, 0x84) 2018/04/21 01:57:13 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f0000000300)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000400)='/dev/vga_arbiter\x00', 0x88200, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000440)=@assoc_id=0x0, &(0x7f0000000480)=0x4) syz_mount_image$jfs(&(0x7f0000000100)='jfs\x00', &(0x7f0000000140)='./file0\x00', 0x1000, 0x1, &(0x7f0000000280)=[{&(0x7f0000000180)="2cb8099364b63a74cd31cb1bab0e00064ddb10ed191d253ddefc00996e9bb80151d76430a5ebeaf600c4e2b996426cc0025ad2360bb38e7d29e5ac378add80b3e803ee28b63c45ad7aef737b96b80f223b26355701c4a3537747f89ebbedae9e7a4dc4e449f74181d943c5e2b110b058e1b325be23426b710bff83613626ec737b522ea4911abaf4f1a9ac36c0937e8155a8f5e25e194ade36f6f27805a8011a1938b5ed580fa2e452c2a2abcc980147bc7eaed137345916df60a35de3f513f9ad709d937cbee199216dbd294b35039785ebed24c3246cc42535672f42e60f40ae979ceaf25cc00c", 0xe8}], 0x10000, &(0x7f00000002c0)={[{@nodiscard='nodiscard', 0x2c}, {@umask={'umask', 0x3d, [0x3d, 0x30, 0x2d]}, 0x2c}, {@nointegrity='nointegrity', 0x2c}, {@discard='discard', 0x2c}, {@grpquota='grpquota', 0x2c}]}) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f00000004c0)={r1, 0xca, "4dc49d62b397acff7eda06c71205be6c25d2493228980584fa0a3c1cbb3b1e2105d3f363821bbb6d46a03e10a4de2face098933d2179f7150837414694430ba27dcc395a0bb75c736e0b497630d800883bbc03f7ee5c7ff1705ef22bb614e26c8dd050e00ecf495ce59aa6020805a71d028bad3c73acc58fbe58c5ffa488740fc0f5e56b0b6fa2fa42ff5e9776dd0c66565fc139c377420dd008a3ae37a37497078bad121d5923986eb47bdbd533f85f985f7bbc187becde928d64d190710439ab25003772ae1cd3f766"}, &(0x7f00000005c0)=0xd2) 2018/04/21 01:57:13 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = socket$inet(0x2, 0x0, 0x10001) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0x482, &(0x7f0000000000)=""/25, &(0x7f0000000040)=0x19) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000800)='/dev/autofs\x00', 0x20040, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000840)={0x0, 0x9b3, 0x30, 0x2, 0x1}, &(0x7f0000000880)=0x18) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f00000008c0)={0x2, 0x2, 0x0, 0xffffffffffffffe1, r2}, &(0x7f0000000900)=0x10) getsockopt$IPT_SO_GET_ENTRIES(r0, 0x0, 0x41, &(0x7f0000000080)={'filter\x00', 0x67, "38d7be1192ab91f39ac531259c5b370f4bad3d901c34a889a8f92ec066250dfb4c6e3596a7f10e2a6ff6cf2728477006a04ce5bc9596c91dd019f05ded5b7b1d671a595ada52213fddcf9be395f132834b6324242403bf606b98c104cd32046fd182da07aec686"}, &(0x7f0000000140)=0x8b) 2018/04/21 01:57:13 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:13 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f00000000c0)='./file0/file1\x00', &(0x7f00000003c0)='./file0/file1\x00', &(0x7f00000001c0)='fuseblk\x00', 0x2000, &(0x7f0000000380)="086d3f4012b465e381612a4eb59896ab26ad4a381d802ff625") r0 = socket$inet6(0xa, 0x3, 0x200) setsockopt$inet6_MRT6_DEL_MFC(r0, 0x29, 0xcd, &(0x7f0000000000)={{0xa, 0x4e22, 0x9, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x5}, {0xa, 0x4e20, 0x7f, @dev={0xfe, 0x80, [], 0x20}, 0x3f}, 0xf5, [0x8d, 0x8, 0x9, 0x1ff, 0xa8, 0xc56, 0x1]}, 0x5c) stat(&(0x7f0000000480)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000280), &(0x7f00000002c0)=0xc) chown(&(0x7f0000000340)='./file0\x00', r1, r2) r3 = syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x2, 0x40000) ioctl$PPPOEIOCDFWD(r3, 0xb101, 0x0) 2018/04/21 01:57:13 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0x94, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x68, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:13 executing program 3: [ 713.186328] blk_update_request: I/O error, dev loop0, sector 0 [ 713.192373] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:14 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xc4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0x98, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657d"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xc4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 3: 2018/04/21 01:57:14 executing program 2: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x22000, 0x0) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TUNSETOWNER(r0, 0x400454cc, r1) r2 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r3 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) memfd_create(&(0x7f0000000180)='/dev/loop#\x00', 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) ioctl$EVIOCGPHYS(r3, 0x80404507, &(0x7f00000001c0)=""/45) pwritev(r3, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r2) sendfile(r2, r2, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r2, 0x4c01) ftruncate(r3, 0x800) ioctl$LOOP_SET_FD(r2, 0x4c00, r3) 2018/04/21 01:57:14 executing program 7: mkdir(&(0x7f0000000000)='./file0/file1\x00', 0x10) mknod(&(0x7f0000000040)='./file0/file0\x00', 0x0, 0xd) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:14 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) recvmsg(r1, &(0x7f0000001380)={&(0x7f0000000000)=@ethernet={0x0, @link_local}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000240)=""/4096, 0x1000}, {&(0x7f00000000c0)=""/183, 0xb7}, {&(0x7f0000000180)=""/45, 0x2d}, {&(0x7f0000001240)=""/243, 0xf3}], 0x4, &(0x7f0000001340)=""/20, 0x14, 0x6}, 0x40) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) timer_create(0x7, &(0x7f00000013c0)={0x0, 0x31, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000001400)=0x0) timer_getoverrun(r2) 2018/04/21 01:57:14 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) r0 = syz_open_dev$sg(&(0x7f0000000100)='/dev/sg#\x00', 0x3, 0x100) r1 = getpgid(0xffffffffffffffff) perf_event_open(&(0x7f0000000300)={0x5, 0x70, 0x400, 0x6, 0x1, 0x101, 0x0, 0x6, 0x0, 0x6, 0xde, 0x0, 0x4, 0x97a3, 0x6, 0xfffffffffffffffd, 0x9c0000000000, 0x9, 0x0, 0x8, 0x5, 0xe61, 0x0, 0x100000000, 0x338, 0xffffffffffff8400, 0x8, 0x4, 0x13, 0x3, 0x850, 0x43c5, 0x4, 0x100000000, 0xff, 0x8, 0x80000001, 0x5ebb, 0x0, 0xe6, 0x2, @perf_bp={&(0x7f00000002c0), 0x1}, 0x220, 0x6, 0x101, 0x1, 0xff, 0xfff, 0x18}, r1, 0xb, r0, 0x3) ioctl$KDGETLED(r0, 0x4b31, &(0x7f0000000140)) umount2(&(0x7f0000d5bfff)='.', 0x2) r2 = syz_genetlink_get_family_id$fou(&(0x7f00000001c0)='fou\x00') sendmsg$FOU_CMD_DEL(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x21008}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r2, 0x2, 0x70bd2b, 0x25dfdbff, {0x2}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e22}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x40000) 2018/04/21 01:57:14 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) setsockopt$inet6_dccp_buf(r1, 0x21, 0x80000000bf, &(0x7f0000000000)="f3ef307e437a17b92c7a8a208eef13cd2f76283d0708ebb036c745f917d37e348acc7abfad3d61f1da024e003c72c0c2cb2116ea5b0e333a5904049393f999c38eefae0251dc5ac7c45f2d88dbab8a61f1fd1f414c440628f188c4d6b813fc376dd4ba3545e62bbbecf768a7cef53bee27c3ea115c2fc857259daae6b04f8cf231f442db243fe4a6798b62a4bd9b412ff4475d30c0700e3943a2bcd65d3dfa0b7b7bd7eb97f3066de8b68e4719aa32fe1ccbf3bc51a9f82b9dd68d315cf36b813d9d7e5d77dbf71a421eba87b98a00089bceb72a4b53b9c5d086d95a134ff193a2858b42907738a2639acd", 0xeb) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) setsockopt$packet_int(r0, 0x107, 0xe, &(0x7f0000000040)=0xee, 0x4) 2018/04/21 01:57:14 executing program 3: 2018/04/21 01:57:14 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r0, 0x100000005) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0xfffffffffffffffe, 0x82) r1 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c009173afef70af9ead8bb9d446f9a3810f051817cdb111cd13d9395b75fe29a5d2a6ad2b8b5f74e23d303836ebc9813792d15766c20cdcb17f0f4bb7667013546c867bf6439cd59ddf415c32bb84c6db6027e89a1effc6c6ae169aad95bac39d56313c6c4c9a06aeca9a92d40000000000", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r1, 0x404c534a, &(0x7f00000000c0)={0xe1, 0x9, 0x2}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x81, 0x82) 2018/04/21 01:57:14 executing program 7: openat$selinux_access(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/access\x00', 0x2, 0x0) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:14 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) tee(r1, r2, 0x0, 0x5) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:14 executing program 3: 2018/04/21 01:57:14 executing program 3: 2018/04/21 01:57:14 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000001c00)={0x0, 0x0, 0x0}, &(0x7f0000008580)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000085c0)={0x0, 0x0, 0x0}, &(0x7f0000008600)=0xc) stat(&(0x7f0000008640)='./file0\x00', &(0x7f0000008680)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setresgid(r1, r2, r3) recvmmsg(0xffffffffffffff9c, &(0x7f0000002d00)=[{{&(0x7f00000000c0)=@pppoe={0x0, 0x0, {0x0, @local}}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000240)=""/241, 0xf1}], 0x1, &(0x7f0000000180)=""/63, 0x3f, 0x3}, 0x1000}, {{0x0, 0x0, &(0x7f0000000700)=[{&(0x7f0000000340)=""/193, 0xc1}, {&(0x7f00000001c0)=""/52, 0x34}, {&(0x7f0000000440)=""/207, 0xcf}, {&(0x7f0000000540)=""/180, 0xb4}, {&(0x7f0000000600)=""/158, 0x9e}, {&(0x7f00000006c0)=""/31, 0x1f}], 0x6, 0x0, 0x0, 0xffff}, 0x9}, {{&(0x7f0000000740)=@rc, 0x80, &(0x7f0000000a80)=[{&(0x7f00000007c0)=""/169, 0xa9}, {&(0x7f0000000880)=""/218, 0xda}, {&(0x7f0000000980)=""/155, 0x9b}, {&(0x7f0000000a40)=""/4, 0x4}], 0x4, 0x0, 0x0, 0x9}, 0x5}, {{&(0x7f0000000ac0)=@ethernet={0x0, @local}, 0x80, &(0x7f0000000c40)=[{&(0x7f0000000b40)=""/210, 0xd2}], 0x1, &(0x7f0000000c80)=""/47, 0x2f, 0xfff}}, {{&(0x7f0000000cc0)=@pppoe={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f0000000e00)=[{&(0x7f0000000d40)=""/105, 0x69}, {&(0x7f0000000dc0)=""/23, 0x17}], 0x2, &(0x7f0000000e40)=""/71, 0x47, 0x1}, 0x5}, {{&(0x7f0000000ec0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, 0x80, &(0x7f00000013c0)=[{&(0x7f0000000f40)=""/223, 0xdf}, {&(0x7f0000001040)=""/134, 0x86}, {&(0x7f0000001100)=""/107, 0x6b}, {&(0x7f0000001180)=""/216, 0xd8}, {&(0x7f0000001280)=""/27, 0x1b}, {&(0x7f00000012c0)=""/216, 0xd8}], 0x6, &(0x7f0000001400)=""/54, 0x36, 0x7}, 0x2}, {{0x0, 0x0, &(0x7f0000001940)=[{&(0x7f0000001440)=""/15, 0xf}, {&(0x7f0000001480)=""/53, 0x35}, {&(0x7f00000014c0)=""/179, 0xb3}, {&(0x7f0000001580)=""/94, 0x5e}, {&(0x7f0000001600)=""/135, 0x87}, {&(0x7f00000016c0)=""/233, 0xe9}, {&(0x7f00000017c0)=""/151, 0x97}, {&(0x7f0000001880)=""/161, 0xa1}], 0x8, &(0x7f0000001980)=""/160, 0xa0, 0x8}, 0x100000000}, {{&(0x7f0000001a40)=@pppol2tp, 0x80, &(0x7f0000002c80)=[{&(0x7f0000001ac0)=""/2, 0x2}, {&(0x7f0000001b00)=""/207, 0xcf}, {&(0x7f0000001c00)}, {&(0x7f0000001c40)=""/4096, 0x1000}, {&(0x7f0000002c40)=""/28, 0x1c}], 0x5, &(0x7f0000002cc0)=""/42, 0x2a, 0x3f}, 0x9}], 0x8, 0x40, &(0x7f0000002e00)={0x77359400}) sendmmsg(r4, &(0x7f0000008540)=[{{&(0x7f0000002e40)=@generic={0x9, "70e3f44c1552f8b5cb46a1f88dbb4ecab8670a564a22df0585f70c83e6cb059c2844f98e75144a21da3dcf5ba09cf0270dc5cd3c3260508c387224f77ec751da19161f4d4a8414d402d3288163a0e1c25ec682bb1d7e6c449609ccc7f630e3df471e0f3db3623852fa6a0d09a34333246492d21b432cfaf7f329235602b2"}, 0x80, &(0x7f0000005fc0)=[{&(0x7f0000002ec0)="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0x1000}, 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"}, {0x80, 0x11f, 0x4, "b99d98f45b2bdb63266992ffe0f72ee2351519d8eb0ba49233c21b3eb7dabcda3e247ea24a738f13fedd51b0a4570d640645b2aac6e539cc8125cdb0b00c1ebd2801d80fed041373043a3d9f63ac912fe612d23b337d602463c4bd87a9821e58aab28c54607e87c863a96fc09fe6bd074665"}], 0x2218, 0x24000000}, 0x5}], 0x2, 0x40000) r5 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r5, 0x4c01) ftruncate(r5, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r5) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r5, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x9}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r5, 0x84, 0x75, &(0x7f0000000080)={r6, 0x8}, 0x8) 2018/04/21 01:57:14 executing program 5: openat$selinux_access(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/access\x00', 0x2, 0x0) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x6, 0x20000001ffe) 2018/04/21 01:57:15 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x85) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:15 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74006e750000191d59d3f40a8baf00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(r1) fchdir(r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:15 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = socket$inet6(0xa, 0x6, 0x1f) getsockopt$inet6_udp_int(r0, 0x11, 0x67, &(0x7f00000000c0), &(0x7f0000000100)=0x4) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x111100, 0x0) readlinkat(r1, &(0x7f0000000040)='./file0/file1/file0\x00', &(0x7f0000000200)=""/250, 0xfa) 2018/04/21 01:57:15 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) prctl$getname(0x10, &(0x7f0000000000)=""/19) 2018/04/21 01:57:15 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe8, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xbc, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:15 executing program 3: 2018/04/21 01:57:15 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f00000001c0)='./file0/file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:15 executing program 4: recvmmsg(0xffffffffffffff9c, &(0x7f0000004100)=[{{&(0x7f0000000040)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f00000001c0)=[{&(0x7f00000000c0)=""/190, 0xbe}, {&(0x7f0000000280)=""/179, 0xb3}], 0x2, &(0x7f0000000340)=""/40, 0x28, 0x200}, 0x100000001}, {{&(0x7f0000000380)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000400)=""/132, 0x84}], 0x1, 0x0, 0x0, 0x6}, 0x1}, {{&(0x7f0000000500)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000000ac0)=[{&(0x7f0000000580)=""/138, 0x8a}, {&(0x7f0000000640)=""/154, 0x9a}, {&(0x7f0000000700)=""/83, 0x53}, {&(0x7f0000000780)=""/65, 0x41}, {&(0x7f0000000800)=""/36, 0x24}, {&(0x7f0000000840)=""/86, 0x56}, {&(0x7f00000008c0)=""/252, 0xfc}, {&(0x7f00000009c0)=""/214, 0xd6}], 0x8}, 0x8}, {{&(0x7f0000000b00)=@nfc_llcp, 0x80, &(0x7f0000001d40)=[{&(0x7f0000000b80)=""/157, 0x9d}, {&(0x7f0000000c40)=""/200, 0xc8}, {&(0x7f0000000d40)=""/4096, 0x1000}], 0x3, &(0x7f0000001d80)=""/68, 0x44, 0x748a0298}, 0xe1b2}, {{&(0x7f0000001e00)=@nl=@proc, 0x80, &(0x7f0000002040)=[{&(0x7f0000001e80)=""/210, 0xd2}, {&(0x7f0000001f80)=""/174, 0xae}], 0x2, &(0x7f0000002080)=""/197, 0xc5, 0x5}, 0x2}, {{&(0x7f0000002180)=@ax25, 0x80, &(0x7f0000002840)=[{&(0x7f0000002200)=""/235, 0xeb}, {&(0x7f0000002300)=""/78, 0x4e}, {&(0x7f0000002380)=""/175, 0xaf}, {&(0x7f0000002440)=""/41, 0x29}, {&(0x7f0000002480)=""/225, 0xe1}, {&(0x7f0000002580)=""/92, 0x5c}, {&(0x7f0000002600)=""/151, 0x97}, {&(0x7f00000026c0)=""/10, 0xa}, {&(0x7f0000002700)=""/122, 0x7a}, {&(0x7f0000002780)=""/149, 0x95}], 0xa, &(0x7f00000028c0)=""/80, 0x50, 0x1f}, 0xe98}, {{0x0, 0x0, &(0x7f0000002e00)=[{&(0x7f0000002940)=""/238, 0xee}, {&(0x7f0000002a40)=""/127, 0x7f}, {&(0x7f0000002ac0)=""/172, 0xac}, {&(0x7f0000002b80)=""/151, 0x97}, {&(0x7f0000002c40)=""/64, 0x40}, {&(0x7f0000002c80)=""/70, 0x46}, {&(0x7f0000002d00)=""/216, 0xd8}], 0x7, &(0x7f0000002e40)=""/66, 0x42, 0x800000}, 0xff}, {{&(0x7f0000002ec0)=@ax25, 0x80, &(0x7f0000002f80)=[{&(0x7f0000002f40)}], 0x1, 0x0, 0x0, 0x8000}, 0x6}, {{&(0x7f0000002fc0)=@hci, 0x80, &(0x7f0000004040)=[{&(0x7f0000003040)=""/4096, 0x1000}], 0x1, &(0x7f0000004080)=""/85, 0x55, 0x100000001}, 0xa95b}], 0x9, 0x40012000, &(0x7f0000004240)={0x0, 0x1c9c380}) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000004280)={0xd66}, 0x1) clock_settime(0x8003, &(0x7f0000000240)) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x4, 0x0) r2 = memfd_create(&(0x7f0000000180)="740000008000007162e05dfc922d67de59663c5f", 0x1) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r2, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) 2018/04/21 01:57:15 executing program 3: 2018/04/21 01:57:15 executing program 5: r0 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="12b7456e44558f2122ab8ef1e36e1a67b0b18bd7379c30214a614dfcaeb6d71dbb1f3b019a538a0d3d97ad2d2d38f1e698cf800410ec18dfe07ed9c70be97fd7ceb2bbf62df213914e6efa389a9e3641a28cff6866308269e4ff51b4fc697e5e921b92266408f734d8ddff70caa3e6ec831198a9139386247954cc4dab8d3c39d6a3191044c7cbab427355566e25ab5806576ed1763e7fdff7900f480b96e500794b34c602ad5723fd17e92af5b75df40d1a33281180baf3dc295e22630229bba300287b376aab84c5b7fbdf7ab14f737563835cdf0c9c6bf70cdd6b5a78300ddd104cf0929a089afabf7003aa1010ae79c56c7815da", 0xf6, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0}, &(0x7f00000001c0)=0xc) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) r3 = openat(r2, &(0x7f0000000280)='./file0\x00', 0x80000, 0x40) getsockopt$bt_BT_DEFER_SETUP(r2, 0x112, 0x7, &(0x7f00000002c0)=0x3, &(0x7f0000000300)=0x4) getgroups(0x9, &(0x7f0000000240)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) socket$inet6_icmp(0xa, 0x2, 0x3a) keyctl$chown(0x4, r0, r1, r4) ioctl$DRM_IOCTL_AGP_RELEASE(r3, 0x6431) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x80000000000, 0x82) ioctl$TIOCSCTTY(r2, 0x540e, 0x3ff) 2018/04/21 01:57:15 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe8, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xbc, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802edb9dd3"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:15 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) sendfile64(r1, r0, &(0x7f0000000000), 0x4) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:15 executing program 6: userfaultfd(0x800) r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) syncfs(r0) fsync(0xffffffffffffffff) write$eventfd(r1, &(0x7f0000000100)=0xffffffff, 0x8) getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f0000000000)=0x9, &(0x7f0000000040)=0x1) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x1000) ioctl$sock_inet_udp_SIOCOUTQ(r1, 0x5411, &(0x7f00000000c0)) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000180)={0x4, 0x100, 0x4, 0x7e, 0xc37, 0x80000001, 0x8, 0xc00000, 0x0}, &(0x7f00000001c0)=0x20) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000240)={r2, @in={{0x2, 0x4e20}}, 0x53, 0x1ff}, 0x88) sysfs$3(0x3) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000140)) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) 2018/04/21 01:57:15 executing program 4: r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f00000000c0)={r1, 0x5}, &(0x7f0000000100)=0x8) r2 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r3 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r2, 0x4c01) ftruncate(r3, 0x800) ioctl$LOOP_SET_FD(r2, 0x4c00, r3) 2018/04/21 01:57:15 executing program 3: 2018/04/21 01:57:15 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x8000000, 0x82) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) [ 715.352928] blk_update_request: I/O error, dev loop0, sector 0 [ 715.358954] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:16 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0405405, &(0x7f00000000c0)={{0x3, 0x2, 0x3, 0x0, 0x1}, 0x0, 0x6, 0x3}) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000000)=0x250, 0x4) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0xa) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 3: r0 = socket$inet(0x2, 0x3, 0x6) mmap(&(0x7f0000000000/0xae0000)=nil, 0x7fbaca552000, 0x0, 0x10, r0, 0x0) 2018/04/21 01:57:16 executing program 4: eventfd2(0x1, 0x80000) r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='hostfs\x00', 0x4000c, &(0x7f0000000240)="f7c20109206cc15f054a369a21ee93d05bd78f0aedee99cb39ffcb7a3d3b62a3502d6ee0ad75f3f626d51708f85a4815874275c5881a41c332a78b05f01adc10dbebfb88307b50d2c6b20d99e5b7a8e1f91256beebc2a43766e4efa781ce0b") r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000005c0)='/proc/self/net/pfkey\x00', 0x8000, 0x0) ioctl$TIOCCBRK(r0, 0x5428) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x0) mkdir(&(0x7f00000002c0)='./file0/file0\x00', 0x1) vmsplice(r0, &(0x7f00000003c0)=[{&(0x7f0000000300)="202c78f666a075039c88e9bbd0180857077ab3a5996bd6c06eecb4945d26e4a737e77d1282ebb22751a9eb9b76950fd7b8b6040227c2033f520d67ed065f240bde0c8dbd9277a6e953b5a70ee227e4e77b76b0cdf5bc968d8a9ef166eed7d1c42691ebbc485637fd38d774ca89511d03043353ef0d547282675f4811b9aedd8697f5b03ee4b1a892471bdf385560a4c12d07e119a6c942c24547cda3c7d46037", 0xa0}, {&(0x7f0000000480)="26613194502443f315cf1c517677f8c19b5c0f7ff4c805cbec7f5e4ae304c82df143619eb000f93087d59c74999453995c3e9bd26c88e31e76c57a73810ca05b3ae28d9239df9f7731e51113904c753916aad4da35b305dbf6879b192a68a770db35344d16bd0c17152d35b22ee5a019e26994ac6288eec38eb17d4176002ef00ca7698e61e99dcd71b357637735bdfd5e69335064bf828ef86216e659d36698421823fd9b876dedf4f218fdd9c516486bf5958ca7d0c94e7ea17c32cdf2253e660e84c1ff4c1abc700cdd8f29f6d4c4af89556e9b49981f79e8e43d270ed3479d9259bd", 0xe4}], 0x2, 0x4) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:16 executing program 5: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x400, 0x62) syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x282) 2018/04/21 01:57:16 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) utime(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)={0x0, 0x8}) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:16 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xdc, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb0, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) openat(r1, &(0x7f0000000000)='./file0\x00', 0x400000, 0x110) ioctl$TIOCGPTPEER(r1, 0x5441, 0x100000000006) 2018/04/21 01:57:16 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 5: 2018/04/21 01:57:16 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$TCSETA(r1, 0x5406, &(0x7f0000000000)={0x80000001, 0x2, 0xfffffffffffffffe, 0x7fff, 0x400, 0xffffffffffffffb8, 0x2, 0x3, 0x2, 0x1}) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:16 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 716.096534] device syz_tun entered promiscuous mode 2018/04/21 01:57:17 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000000040)="74086e750000000000000000008c00", 0x0) socketpair$inet6(0xa, 0x80000, 0x3, &(0x7f0000000000)) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:17 executing program 5: syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x400) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x101000, 0x0) fanotify_mark(r0, 0x51, 0x0, r1, &(0x7f0000000080)='./file0\x00') 2018/04/21 01:57:17 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x81000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r1, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x7) accept4(r1, 0x0, &(0x7f0000002580), 0x800) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000180)='./file0\x00', &(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000001700)=0x0) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000001900)={{{@in6=@mcast1, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000001a00)=0xe8) stat(&(0x7f0000001a40)='./file0\x00', &(0x7f0000001a80)={0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getpgrp(0xffffffffffffffff) sendmsg$netlink(r1, &(0x7f0000002540)={0x0, 0x0, &(0x7f0000002500)=[{&(0x7f0000000240)={0x2e8, 0x2d, 0x200, 0x70bd29, 0x25dfdbfe, "", [@nested={0xdc, 0x29, [@typed={0x8, 0x20, @pid=r2}, @generic="97", @typed={0x8, 0x31, @u32=0x3ff}, @generic="3fb4e735591007251ea381bd5ea2839ce13123a6ed2421a186696bd278f2e83375f5f37787f1787e7f59b76fce4831a4e2efb989e75bb2e2dfb17b41507ccac64fe4f582045821c56a5da7633cf5cc1aa1f9eb4f1387abb04a1d8e1cc08a1eaa50a44a1a57d1e1f6f4ca1a8c6ff3a38b41c40a004fccc8ba43e1bf93d566b316558dda6bdc253d507c4e07d895c1165109f331613cbca162cb48c477b5058b4fd340039ca7909a2c05f38c9ffe98c07f12324f4ab13570f1105b7d9d4c", @typed={0x8, 0x34, @uid=r3}]}, @generic="5b0da36515c25c07698fa204b7de3a4b4d24f1a4af6e82c8ec8922154c01b285c4a8ce8609f443077778a56dd75369a14ae77b3eb8c5524de8cf42bb4bb689682985ccdbf82d463bb099d98963b72814cdc712abe4b1f0556abce945b86a38e3a1cfb6b430a37ac16491f4a9bbd25361089624bc5b318bf5f5aad666c03d9e4104153349aa4a3667136b37830b78af15a329e84aaa06f7", @generic="dabd679dcdd7307b9135e40bb6a8d9f528d8310c4f78511c07930c844233b0156767ef4249c523921cba878878cd46ceb2cab39caf9cc60e2711b0b6663ee75b3e29b9bd519ca00ea34659b511d87f7ec167c2cc1280c7c52b950d89c4d09b6af8f86be89ac6c136716f380f68eeac035af70c198606986dee1450a12219ecc645d3130ee637b7f4", @generic="8aa60fec98faf5a8d64afde47dbf5189d4d89053f5923889fd19303acb43a2a2fa23c9e25d3cad74e8566253833d956c698d3444820d260b5caec27f380868304ca148e9a7d6a84fd6946ba791610a474126c51625530eaa538dc50a819fc646a971ffd5df137e8aeefbdef5ec4a8c5ab16f540a942895268e149147c6d0d66ecba77de2db5b53b04fd042cd24f219265c8a35029164f72163b132680aa6eeeebf6621e52b57b7e4ba0998aa18142113a94ee22aee31efc07fb65096b25e3b995c67b15c7577feb3d767a240eb29fa173bac06a2990a315b66575345d1"]}, 0x2e8}, {&(0x7f0000000540)={0x1120, 0x3b, 0x300, 0x70bd28, 0x25dfdbfb, "", [@nested={0x1110, 0x7e, [@typed={0x7c, 0x35, @binary="bb9038c977b7ab037937f98d68565c3033c87087fac5e8ecd192df6e71d74b128a93660a903ba9637e470abdad7fb170f6e95357c871f7c4e686c50446a8fbe670ddb7d6b3148dd10bbc23a9015b581375176afe8a489d3ebc932b6213f4d8ad86bf578b98f759ce189b5e3414572463c1c743baa0ed20ee"}, @generic="4d4fa3e2595971b5885e20123acc2013bde832721284d823bda11deec6f73a20c974c5bac98dc7021f7ab55cccbb9217f583fb0daedd62bf6b4911614d61723d676f955a7a7efc084290d5d6393633df9c80ae981dd1200d05cde486fbcb713b3daadea96f4c65d2ffa309f51c18c2ee10a8e4228271562ad60c42a7b3ef7f8f8c68c0309e21db80e13730eb", @typed={0x1004, 0x5d, @binary="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"}]}]}, 0x1120}, {&(0x7f00000001c0)={0x30, 0x13, 0x221, 0x70bd2a, 0x25dfdbff, "", [@nested={0x20, 0x0, [@typed={0x8, 0x94, @fd=r0}, @typed={0x8, 0x26, @uid=r4}, @typed={0x8, 0x59, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @typed={0x4, 0x36}]}]}, 0x30}, {&(0x7f0000001740)={0x184, 0x34, 0x1, 0x70bd25, 0x25dfdbfd, "", [@nested={0x16c, 0x7e, [@generic="9766e9dbfbe838265219364becbcd9cf09c87e628ac489f6f915a86cc28599b4f8c219e01a396fdf3d6480930cc50e874f595a2ea4c234b2afe18c5dc4899bdb0d17391e23d92857742b68429b37f1db5aaef819f1eec28d54e211caae6c8f13ec13f163cb6fd55d562e20acdfd790678f0ad8da3bb1017d10915f324313b0173a53b91e7347180122679e04ce0bfbcd0f56989e8b27852fcbc84c8d23ee808f4566c5556f3ba793d916aa31b72fee", @typed={0x8, 0x35, @pid=r5}, @generic="a16d07f8d8463846fe40edeccc28f9affa465c28d96f4a1c2b686c9fd47d4e2868fa8719c19af06c78a678e00c12fe01bdd8f573349b472f5e3f1a0687d0441582a43fb5b9ce8b39cc35032be53dbe1dd68cf81222042b6e717a650f0e65a07992b85ceb88a74818fd6be58983e75fc4b731e4c65bbfaff459054eca1eef89e14e832165cda3ce9ebe41f8ce835657fd1acbff53ab3d732e178112433b1d4320a944fbf9ba976b1998d82a4c1789aab64d"]}, @typed={0x8, 0x48, @fd=r1}]}, 0x184}, {&(0x7f0000001b00)={0x6ec, 0x32, 0x420, 0x70bd26, 0x25dfdbfe, "", [@typed={0xe8, 0x5d, @binary="ac6da73037e58bcd3c426173b7f9f2da0c33e48053d9bc79237feb48fb71c2a68574e62c8d95d426aa77d343dc5dcbd9efa34ff7bc667161c73375d2db57cbef4891b0ad315fb0b236aa486dc991d2d1779d15247753fa634f5e4413f484356ac07b0060dc4d15f57c12fd3b45e41fb5a6616db05e115655998c07e8413b07da1ab47e44d37fe91af6c9dfa6e70497c6264ba5e54d34882f38aa1e58a4bc6657e27d216637f361af198d19e21507adb72d6c3494aee5564e56a8e2aa7f3e90236de4369e97fa4cfd204990a5c6e2cd17a25aa4667c1c05ce909b442c32c319958add"}, @nested={0x1f0, 0x4, [@generic="d697b7e4fdaaaf018cc249c4e080e6df16d85b7bbf60d38a491d8fc1b30dc921045233368f7f72dfa4749eb94f34c53e26ce50313b5491602b6924092d57c584ac723fb717d4186fa046ec60fd31f1b62476cdfc574253c5c7613e711dcb135e03dcfbba11dd3dd01fe03ff79c6f9ddc053865ab8d4747dba741df04c0a9", @generic="04786b3442ddf178a7dbdc7b81fc0af6868dbc9e3ab3e9a4109643855830e2f1354d36428eee8ff0ab5186969d5df50f6d924e3f0d3fd6baad2fa818b63056a67a3f4d56b1bdae6651a1ca1f15ea262a8952f6e2260320e7b28b52818d1f689c151d1c7f073aca066cc6632f58f646407486748ee34baf951a70b31a1f2b8bf67a4b7a51385383220d35120f7239665f241ad84aca4d7da04b03429363d73edc31a35bce6b9d47b9609ea204ee2a0d42ae972e304916ddf93c4dc80567bd6ff5734764715c42b29c20", @typed={0x14, 0x57, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @typed={0x8, 0x73, @uid=r6}, @typed={0x8, 0x88, @u32=0x8}, @typed={0x8, 0x75, @u32=0x7}, @generic="5ef008a48d337089ed5160cf73c69e5253b0be5e5ad6d075300c95f61a5a05d8c9b8583387ade07edee7f0c04e3fa2e2fbce0367eec7e0e52f63638493d01dfc8dec2babb58b113abb4db78d0ac35bcdb3c85b5ace45e02fb364938415763c4b18596acf5a", @typed={0xc, 0x18, @u64=0xeab0}, @typed={0x8, 0x83, @uid=r7}]}, @typed={0x14, 0x60, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @nested={0x18, 0x17, [@typed={0x8, 0x2, @ipv4=@multicast2=0xe0000002}, @typed={0xc, 0xa, @u64=0x9}]}, @typed={0x8, 0x1, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @generic="33e2c7cce80d329980898afe24f8458af5e16165b75e968541bf41c68c08b8556301271ceeb40f98847a16a5ca2561d09e9d0aef1a61eb6fe6f5371c18e8d321b897faa76cb61e4e4e651e1181ed206ec68abc2993b5b68d50007327a1c16ad070bab2ff5084a27582d0a4cccc735f5bbe7c9976f695ccb63664a89a8fbc25c1e02e7f997e6b6cdf6c272d8b7277ab3e2cd5af22bd36089d75b9047d6efd2ba805b29f384935c5665154d29ccdee187d28250d80d170894cc090bdae73618953cb6604a6f92d", @nested={0xac, 0x15, [@generic="d103c86a63319bb4795865d798859c46d81518b2ca660e34ad10ff5fe65f41233943a6802bec1d1e8fcc3709045b1ab1402af1f58260cedfd51e455c4d527be60739be90fbd4054f5d4bc8ac031773742998fde566d91911565536f5ae0569b0528b4d75b61e727435c2a9", @generic="adf4098cf9b2958d664c62feb11af4e5c3acd4748e43c1ac8383dd30d30be6eed1e29a20de16328fd130f597aaaec8c8e5280af24430addb695a13"]}, @nested={0x230, 0x5f, [@generic="11fbd0d1481dcd4a01f28e9303ae4c6dc61b8112ccd64c3b0d12c5db96d1e542f1cecfcd9e6fa404f2e908931f3d21ca03a863e532d72efdd63829a411faa00e9c956321d7926d480075fd958e932f4ea1b83e63ec1a092af45b977cb8547c9dece96b07622933663965a132e45d92fa1a72c83226769c32779a8d099d15f75bbfb8e26a87ea2967eb5d878025cffb1d32e753069e7d21a06d4e58cb21b1df599da007ce92ad7f2ad99e66b1d911fcb86027f0ce8909e450b18dee36a11c7555a604e1385b3d418024e09ebe99d30ce67e39e2283193e2c1cdd0df6ef417cec0d17bc86826b46c4ca62f782062", @generic="1bd9e84afbabd5e5b79937a377be4753a58fbce4667ce0dcfd4e84b45e65f13806f9cff289e01774b7b710dde169cd5deeb43cf0d8569376cec3c9532b97440ce3b2399f3d5821a354768b7d16efe1ed977608bfa3ae71a5f36c04dfdb75a23b9d58bb2501061106c76ce2dc01b6c0bbc018637c8fc2c92ce72b6334f27158f90bea14140c14c86caf6e2a078339302fc8098b455b4b831c03e824dac92dd3a5ce20423536edefd06019fd53ce8e414ff811409ef1cbe3900c3e51213684e37a0d16f96ca52a321b70b1b47e63a4780bed0e38ef2e6f692574ebd094b6cc09937336d018415f995b31650b90b31c34dac6535728847fe65ea8", @typed={0x14, 0x4, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @generic="cbe0c0cfc77505c877710a712f1e40aab13e960a2585182ddcb9c7db52656e65b88ed006db7d66f3f2", @typed={0x8, 0x5d, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}]}, @generic="9f20a21650e1cce40ffcbf45655868e4a7695e26153dd94ae34d052107cc5f69cfadc4ca4b48aa3fe89590"]}, 0x6ec}, {&(0x7f0000002200)={0xe8, 0x3e, 0x35, 0x70bd2b, 0x25dfdbfb, "", [@nested={0x74, 0x3c, [@generic, @typed={0x8, 0x79, @pid=r8}, @generic="8d35d46a3b703b32421ac8a336f0465dae8ce6fddce30736752db8faf5d8eba3bb0975b322cf64781d5c95d991", @generic="e499dcf69e937db5405e66caa1e1c002f46d", @generic="c84b56a157036ac684b8b8e53060ae3967c11959f6a5a62053ac00a12b4fde49897417fc5a3d9453"]}, @generic="81a1870281d899fb40b82825fa62cb8440c6a18e8283bea813ada2afe6dd6e6fc4755172d97191", @generic="14ee4093ab01f920b6ef63e7cca9340ac4690beb94d0884746c15741ef2623468f23ead9a10302e08ef5", @typed={0x4, 0x3e}, @typed={0x4, 0x5f}, @typed={0x8, 0x94, @str='@/\x00'}]}, 0xe8}, {&(0x7f0000002300)={0x1ec, 0x29, 0x14, 0x70bd2d, 0x25dfdbfc, "", [@nested={0x1b8, 0xe, [@typed={0x14, 0x37, @str="74086e750000000000000000008c00"}, @typed={0x8, 0x10, @ipv4}, @typed={0x4, 0xc}, @typed={0x14, 0x41, @ipv6=@loopback={0x0, 0x1}}, @generic="a9e9e7a5c9e4dcbd9b7d53f6e98e8cd745f33b269eb60bb3bfa1fe317802b74bc289372c91fe22d8b03258569f6e84a28570b0c45734a5e445000d6ee6d1eb6e28924a6e4e9b18f793ab21f6ba8ec1540c3c0b17427aff7791864c9fc5e98f16a9fb4ce869b49ff811a2c37315933a49339049ccbb5c468e10be3362b31f4564f0406180e4c7881a0d6aafdf4b2d69fd0b1e043d9589405234cce3", @typed={0x8, 0x24, @ipv4=@multicast1=0xe0000001}, @typed={0x4, 0x30}, @generic="4caa3480b06a90b860227048e4c8fa2dad20cd9ab0e2dd0472db45eac98022feee6d75a9cda7610e2cdd46f3fa9a1371eca2535d0ec5fd662d8fe0279b06e1ed59658a0a49dd852e187409712c10dc8a189bf8dcf55f0dd641fe928bc61925f3433cd2571ab128d6ee8e282ba8547a7be481844c42f2b19c840667ed307046b86122cf4d07978bd202bdcfbdca1a7b16dc31d63ccd81dae3948b24272f5139ca730a704209c3a4bc736d4d5be6c4bfd2c0c3d027ab5f25caed0eb91edf34bdca4ff9e90bdfeed65a2c378a12", @typed={0xc, 0x76, @u64=0x6cd}]}, @typed={0x14, 0x28, @str="74086e750000000000000000008c00"}, @typed={0x8, 0x78, @fd=r1}, @typed={0x8, 0x1b, @ipv4}]}, 0x1ec}], 0x7, 0x0, 0x0, 0x10}, 0x80) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 1: mkdir(&(0x7f0000000300)='./file0/file0\x00', 0x0) r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x4000) mkdir(&(0x7f00000001c0)='./file0\x00', 0x1f0) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000140)={0x10001, 0xe0a, 0x2, 0x6, 0x9057, 0xbc, 0x3, 0x8d, 0x80000001, 0x3, 0x254, 0x4}) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) syz_mount_image$jfs(&(0x7f0000000280)='jfs\x00', &(0x7f0000001640)='./file0\x00', 0x4, 0x2, &(0x7f00000017c0)=[{&(0x7f0000001680)="9970974969959f1c021d13f02ab8cad4e6", 0x11, 0x40}, {&(0x7f00000016c0)="17d9b86ad04ada270d3a09ccaa782e37f6fe24ca42ef0c144d8f3bf7906f1caa7c26d3a7ec60d45d989df19285a0657790baf2f6aff47416c37b59f9231b58f868746db0f5bdb58f517515208ee657156a3e2fb15bcacc6e8decdb02440254624cdd428b0f4296e665aa7bcb1f6ee780ab3558d212c7e23225dc5901025656de9b74b14e9793b5cc16bfb7b01163db1104927edd5ece84036e002230347deb00a4b2829a776364cb44c403ca4faa0faf759faa5316f43096cf74061a49bfdfae055a5f760f6da67dbd70a1e2b3df957835984476c428a4e5de544529dc813d0628b3481920ac5c", 0xe7, 0x7}], 0x110400, &(0x7f0000001800)={[{@resize='resize', 0x2c}, {@integrity='integrity', 0x2c}, {@iocharset={'iocharset', 0x3d, 'macgreek'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'iso8859-4'}, 0x2c}, {@resize='resize', 0x2c}, {@grpquota='grpquota', 0x2c}, {@umask={'umask', 0x3d, [0x33, 0x32, 0x30]}, 0x2c}, {@grpquota='grpquota', 0x2c}]}) umount2(&(0x7f0000d5bfff)='.', 0x2) mknod(&(0x7f0000000180)='./file0/file0\x00', 0x8, 0x8) 2018/04/21 01:57:17 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) write$cgroup_subtree(r1, &(0x7f0000000000)={[{0x2b, 'pids', 0x20}, {0x2f, 'io', 0x20}, {0x0, 'pids', 0x20}, {0x2b, 'memory', 0x20}, {0x2d, 'cpu', 0x20}, {0x2f, 'memory', 0x20}]}, 0x25) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b23"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x0, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f00000000c0)="519c74f2d343d3383676ae7c31aca0c7", 0x10) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x20000) write$binfmt_script(r1, &(0x7f0000000480)={'#! ', './file0', [{0x20}, {0x20, 'ppp0*@\''}, {0x20, 'fuseblk\x00'}, {0x20}, {0x20, '!'}], 0xa, "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"}, 0x1020) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'bridge_slave_0\x00', 0x0}) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000200)=r2) 2018/04/21 01:57:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:17 executing program 5: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x0, 0xffffffffffffffff) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f000074fffc), 0x4) mremap(&(0x7f00003fb000/0x400000)=nil, 0x400000, 0x800000, 0x3, &(0x7f00007fb000/0x800000)=nil) ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000000000)=0x4) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x3c, &(0x7f0000000040)=[@in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x15}}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xa}}, @in6={0xa, 0x4e23, 0x7f, @loopback={0x0, 0x1}, 0x8}]}, &(0x7f00000000c0)=0xc) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000100)={r1, @in={{0x2, 0x4e23}}}, 0x84) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) [ 716.770004] blk_update_request: I/O error, dev loop0, sector 0 2018/04/21 01:57:17 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b23"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) timerfd_create(0x4, 0x800) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/04/21 01:57:17 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) open(&(0x7f0000000000)='./file0\x00', 0xaaa40, 0x4) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:17 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x0, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r0, 0x10e, 0x4, &(0x7f0000000040)=0xff, 0x4) 2018/04/21 01:57:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:17 executing program 5: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x6}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000080)={0x0, r1}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f00000000c0)={r2}) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) 2018/04/21 01:57:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) get_thread_area(&(0x7f0000000000)={0xffff, 0x20001000, 0x400, 0x8, 0x1, 0x7, 0x3, 0x0, 0x7f, 0x100000001}) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:18 executing program 4: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0xffffffffffff7ffd, 0x800) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) getpeername$ipx(r1, &(0x7f0000000000), &(0x7f0000000040)=0x10) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$LOOP_CLR_FD(r1, 0x4c01) 2018/04/21 01:57:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:18 executing program 7: mkdir(&(0x7f0000000440)='./file0\x00', 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000300)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x180190}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x88, r1, 0x1, 0x70bd29, 0x25dfdbfd, {0x6}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3f}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5dd}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x40}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, [@IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x2a}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x35}]}, @IPVS_CMD_ATTR_SERVICE={0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffffffffff7}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @loopback={0x0, 0x1}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x1b}}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x8841}, 0x40000) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) 2018/04/21 01:57:18 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/04/21 01:57:18 executing program 1: mkdir(&(0x7f0000000100)='./file0/file0\x00', 0xf0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) r0 = syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x8000, 0x10001) read$eventfd(r0, &(0x7f0000000180), 0x8) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) 2018/04/21 01:57:18 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b23"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:18 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000180)='/dev/loop#\x00', 0xa21, 0x2083) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/status\x00', 0x0, 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) ioctl$TTUNGETFILTER(0xffffffffffffffff, 0x800854db, &(0x7f0000000400)=""/143) pwritev(r1, &(0x7f0000000100)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(r0) ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f00000000c0)) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) r2 = socket$packet(0x11, 0x400040000000003, 0x300) getsockopt$packet_int(r2, 0x107, 0xa, &(0x7f0000000200), &(0x7f0000000000)=0x4) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 717.787412] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/04/21 01:57:18 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b2356802e"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:18 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000040)=0x8, 0x4) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0xfffffffffffffffd, 0x82) 2018/04/21 01:57:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) sendmmsg$nfc_llcp(r1, &(0x7f00000079c0)=[{&(0x7f00000000c0)={0x27, 0x0, 0x1, 0x7, 0x234, 0x1, "d93a216f3def4d00a441f7b25dfbd9322cb7fbf95f7adcdb6a0024fc6611716aa2bdf4f6e1f70be390202fb1cca60eb472e88d4b8dfc992143ce9e007d9d49", 0x1f}, 0x58, &(0x7f0000000340)=[{&(0x7f0000000040)="21d5ca87a8fc48b4e648b8093dedabd1901912ad035eac7b7a98a75a", 0x1c}, {&(0x7f0000000140)="05852802055a6108705b5d78e19c733dc24bd7b45f4bad6f8df87fb44d66eb16adea88a987d4c07a49d29c4dfccd222670b5207417474b816c13d98a2bbc0dae55d9c1c1c6365687c741efee3adeee741ef4ce94888b375e5a4d60666251c6e42c10d333f87cb7d6a9fe3f3197c1a6b3638721d354abf6aa801a833b1bc7cc9eb884faecc5fa1aa70d21d30e4bd31f71bb857fb07f", 0x95}, {&(0x7f0000000240)="2e626cc4c7905b4f94d1", 0xa}, {&(0x7f0000000280)="77cfffdcbc5b39e8cc7e5d429509fe287b2f86db89a42eada89b7d7eacbdce8c07852a645441e1b05a1f17c62efea36f6222ec818971282f89c5be21caca1afb26622a24a4cd9a9ccb74dfca34d1e1c0dd4937d404e30d73b9097cd965980af75b072167213de13844e7a044b475f45b832e3de474f6e839e5aea98faf3b90dc694b2ba9a147fb826a58796b10a4d8931997f45c1f5456808e496f797b25037a2eb28c65b052086e4bc90c2399c6b41ba80d", 0xb2}], 0x4, &(0x7f0000000380)={0xc4, 0x10d040aef329b9a1, 0xffffffffffffffff, "8ed8d4cbedce39456db176965f6ae8c8a8455c8d67d8f6cfbe34f1089f0bbab34c2f8f9d516010dab5d37351dc15a2a4652e9d2dd32f0e07c83f41a9ae97ade97695228e949a22f5c0dad77d8a00d553e9bbde5ad98ee23cfd88f32255ce27f62be60b5bf96d5cd221dd273da84366f642069b7f4662d31df085886e288009a763df22dd72ada0f0e07c9b126f6aa9fc7194bf4467a6d5bd3bb2ce18347622b890a632ae370fc56fb369f6b640030b1b576d32d88be0"}, 0xc4, 0x4001}, {&(0x7f0000000480)={0x27, 0x1, 0x2, 0x4, 0x6500, 0x5, "4a42892cc5ae5ea040f0a5d33b9f3898875d254db51d8ddcb5ea122bcca015a672a2281feeb721036f43dcc40f27bb5a1a591bf613c97f023c4762c46c8386", 0x26}, 0x58, &(0x7f0000000500), 0x0, &(0x7f0000000540)={0xcc, 0x103, 0x401, "bf80d1fa98b0fbb02aea3b97c281c92a9ed669dabbb5646fc21e49e5b6b3609e7c2c3675aef47ddcf500854787bf038d5d33cdcfa192875919bf79fda43c57a976a27ba121908b767ca97899ed7bdfc2a32f2cf05daea9a01a711ef10ff644f4a83189536d0d854a3775314c2f106c6121e178fb4e501a7e4f73541b7d47d7165cf1513e6c2fd7dce4b760ec3215b384cc0b9145bcc173ba3c3abf4402f697f307683777b684551c58f2958552067043cca5c1a68d6d978ea01370358f"}, 0xcc, 0x40000}, {&(0x7f0000000640)={0x27, 0x1, 0x2, 0x3, 0x8, 0x4, "ea26171c7a72e55fe8e33ac4fef4d564eaca94acd37c14abacdd8e5d46d7db0017696cfc1400aa63f98815fcdf927062165c806538ee325d604802041e75b4", 0x5}, 0x58, &(0x7f00000009c0)=[{&(0x7f00000006c0)="462567134981c5643f61ef74be33ba0f4979e24b153b6e37bd1d1e6d7526db132b2ef9604fe97daeeeacdb636329efaa31bee1eb87575e4b0d3f58f46547945a8e8b81d8ae21395d32b9a5dca291a81e76fca21f6c2d350c23ac9a6d3674ca34daa829a8608c70dd0fa09ca63e521c374ac7294539b7d93e136fbdf6ebc34d97e13b08d68d5a2b45cc701f17fdaecb179994f703bd48d212206475dbecc9175565d2d53d64", 0xa5}, {&(0x7f0000000780)="2203a7b28a8ca5349ec8237be378b7a812ab282cf93c5f6892e01c630893914d504e3abf1d3105a7e043dc0ca395c525110b139b130a4fe5dc759fe1d6599d9b2542a09532aa72a1eb549f5c509b", 0x4e}, {&(0x7f0000000800)="f7bf3ba93682c6cae8487274cfa5341c27eae37b3634684b53e823ea773a04dcdfbd5b58023e3d36f656ab", 0x2b}, {&(0x7f0000000840)="ce9be7c6ffe19e0681e4c444d3d18efd8741855d09506a9be43524875b2d6e0bd6c2ef20cdd66af7cbcf215010f3fa43f7f807f01192582208d8065613f3d89820f174bccb273af8a004436cc662", 0x4e}, {&(0x7f00000008c0)="67da89151967491249b9f43ec8d53ea6eeb151c7baf332612618b4aa458adb2247ac4b3b3c1164c749860239251ede2e78ef9502238dc696bc65c565a67f5125b1b87a", 0x43}, {&(0x7f0000000940)="dbbe0e7bdee4a0ce9f00609bd9a3da275eadf804cda4245454d69f4352d54f47e62dc685697d5e6598f864962b4a78187b5768b9ccf5734a0c2d82e9cad22aa3560b83d6a208162f2851a44544cd9de3b56ced46a7740ebf7066d8e02dea064e0200f6a81ac7333723e8", 0x6a}], 0x6, &(0x7f0000000a00)={0xf0, 0x107, 0xfa5, "d4e5098525aa9bff306bdeb2062b48bdcde8cd6e90f8a39cba89b6a389169384d05d318d818b0aa97d1454b13faf746875780644c5bc5c465100071655c3e750d0f53fedd48f2832daea95af1f7c176e9ac0c3502ce58877c1f5caac3c386426fcaac1c5fe4dfd5e0713e897a8ba734235c6638a44800a7df4e1ed0659f1a57935c73e4b5badfbb8afbefafd0b87999f0ed027b1b122968a6c0682fc6198162e68f7e43a177417b74ae55598bb5264865f5c2b64f96e98a2bf67fe2a75518017f25c9bb5ad683d6bdc8d564431d0225a461f4a91e137edd6d255e098290a40d039aa"}, 0xf0, 0x20000010}, {&(0x7f0000000b00)={0x27, 0x0, 0x2, 0x7, 0x4, 0xa1, "127b642f5d82b5bb6322c1cfdea0c59d8825a7179d5c29396886bbef62d763c0396954ffdbf6442cd6c19db2f58df84b89198a035d8c5fef4149a19b1aa1a9", 0x14}, 0x58, &(0x7f0000000e00)=[{&(0x7f0000000b80)="0e89bc56271478f01694e3c1ea3f28bd4a92b24391c82c91aee261c0c0536bb69888ed6dca35710ab366ca0b8335300a5a824b711b104d03f6df6048b86d0e605f3dd06a", 0x44}, {&(0x7f0000000c00)="e9b69b014ff360020f138f8c3a37b0f1b519ccb656d7df04a79ed2ec683cd1aa7c467bb16ffca9103b7f721045a9d4b3242e47b0788aa535d18b14a4426b61f8a22413a9f735c8da9744fb4a5c0357b291645c770dab0e6f3a0aa7a3ffc97dd77308b375f2d38eaa00c2bd4c3e7dc51f6ed4a59b79ae60a308a95ca9f70a3af031ad1edf70d8796ab038a42ef5eb7334ab49732a2dbe46c5aece7ead5458d318435107e0dd62bf4c5d1c0d03aca400f78deef4a3e1be3b8075475b52b268456ca9d582973d6e8d23059469b825bb8693f22bf742dda08fd30d964d43354efd1b", 0xe0}, 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0x1000}, {&(0x7f0000006140)="3896ffd183b7446a70f029c8e192c55f2d88632ec061a2e6d13eed604ffdf49c4118286a646dd27a95ab7a7455f9754197dd831e4467b04e77046bd60e9225b2f54188490002e61b7b95da28d564921bf2db0889b2c9c91f2fcf537aff575ac6ee0d2ebb32ef5c3a5b73f3c2f3b3291ce3345b2786e45c2d0ae33420ab37c91a6c116362597b2698717bcd5ad17842dd6a4d1e81e09b6e49711752bf964ad459546abf2ae54219f6de47a63fc02a6434d35c4bb117a12a", 0xb7}], 0x7, 0x0, 0x0, 0x4000000}, {&(0x7f0000006240)={0x27, 0x0, 0x2, 0x7, 0x8001, 0x5, "babc2724b348437582a17121029076a3cb851611f61e546d344896ccdaed7416799d0ba2ebeb36e439737ebfd7d111a748d2591930cb95274dc26b3da1ca65", 0x7}, 0x58, &(0x7f0000006580)=[{&(0x7f00000062c0)="22ea3db007320d86aad9430c6728e91b020ae63bf4eb33204f64d7d4a9", 0x1d}, {&(0x7f0000006300)="4eedd8e7e4efffba48e66e1f3222efc405df739c2b9cfad01edc7a9e98745b4d1be9ef67faa728bcf6b2752db44afd0c8c72f7b935cab3d255f9c62bb40a7fba5bafd850a238b053b35a510200485ef4d3d7d4fe317ea8398812c7a6", 0x5c}, {&(0x7f0000006380)="4ffa3a8d8cb5e9098e425855f124b43e2dadb25d4c27c52ac77b1d578ae602e949617fa0adb631e42ba04df0495c7af78db9d6108d7431323784160d65fd8aca4dfb8c6d8b363b2b990eea1b90b03b54605f8a95d7c57ef671563462c3cb37c1771b43f2e38fdecbca8a9f7b5d148388e7484f5cccd21c7d452624ebd3a55541a95201a64971d7b2b5e804cf401ee0839254e2b41ce9a6373e70aa7d2cf29285c235af062c9e13dfd587c04b9c7ca1561ecc112f2ebfb636e398aa001e051e03a6a609705063c6f47e8d967d090301c634bcef02ba2d545bf626b192f38e561eaf", 0xe1}, {&(0x7f0000006480)="0708a334aa20ad479791a4aed34ee76aa927ddbb794643796550928a494961dbef5269d85a530ccba305a3af879418c459bd5c096409e59c1e44ff5270701c0aecb8bf1b881d7ba4393abf412a6f2dbeadaa91eb518f626a675c5ac0dc5109df6e8209418b03b0c7f478b31b0cabe86ad5dea288fbc1e4e3436ffa706639a37880741f6bbeb69cbb69362017e8d919453b153d8bf66fe5038c3eadd7dca05fcc842fa36144b8cdbdfe6b0ffef33d5ddca46d8f1ba340a5a3c0f764d129c607d683253deb36aee23b2f933de8b1da306af79cf9790154ec015e573f688d8d03", 0xdf}], 0x4, &(0x7f00000065c0)={0x88, 0x6, 0x1, "593835ea98cdf4ccdb8d059059138c377f3473f18a51dfda3f6b3486687cd18ad600f67e07ca6de9ed43981fde40fcab6e664dc42f9cd443910cccbb348f2ae78482b5790d4f404e8b7e06d22b72e946419d170ad5b001b4c0b8033221ff97124cf84a507cfd8f02a5ee89cf5a73746b64efcac1e4cadd97fe4dc99c"}, 0x88, 0x5}, {&(0x7f0000006680)={0x27, 0x0, 0x2, 0x1, 0x100000000, 0x0, "d46823389d14eb01c4a839493339d4f3464f3909614a59baf3f24622b796bdd54ce9b8a46595767059f960d599c8cfda23fbf6da4cefc9cb67dba8bab5b22b", 0x1f}, 0x58, &(0x7f0000007980)=[{&(0x7f0000006700)="ae48a4345d8ce345fffbcbff60cc1d224e867ac5448bf3675e73dac74fd5dc60d257ca6cdcae6c75b321af79df3c9a743d3db340ba795de2cd555fb705466c06fcc3e6a373f613fafd7d6885b8b4b6d19a8801236da79f8c982810bd6c9140cc03024742af53de8f48eca3865b1f17bf91b252728460c1eff24943644bc6c5b3bce21413fa58d2918ba0a216f9bb5c0497a5da98a97ca20a060f12c218", 0x9d}, {&(0x7f00000067c0)="730574bac710df1ea90e4df4a6ed80ac14331e450edbf68f2fc8314afd2a84cb3f3354942cb5fcd9387ed4ba93a9ba1ed8ba83c3c267aede0e2e059064788f08066584dd97b21a012532a7aa95f56e", 0x4f}, {&(0x7f0000006840)="f2633aebd94990c352d717028535599faa0964a37c99956f2f2ee199f2d601d111cdb463eaf9474c7b1f13b4d8791259388b127134298f80a50b4bb668afa2618f75b90e24a96c6be1c220a2b73d183ee1cd595681601d1dd93227887e0d1df02c3aaf1c515632428e3a661a5fe81eae6e9401027759a8fee3d7919e4a6f96c67af29ad08a3a335be981228d1f2914e39a1fb8e3cc97ecf86e27bc35ef9da69ff227179a7c762a5d688b97211dc32945f2db3df977ea794e796c5dd7f1b57d9205114175fc9f09052d91036eb43cc1faa0b22418394ddfd571664954d3db8580ffeb58c6", 0xe4}, {&(0x7f0000006940)="93ec85761e0b10a749207ea80d921ddb2349731ecf5248426c9f05b24e793cf5d7bd8f8f4ac9661a4f2951a6eb24af650c1e5fc96c83096bab512a72b67be195d36ad753677fadddd7c6794b17e89cbfed8d9cb52974fe3133054b7eaec907f2fedb695eb0b04cde1ffb5aef4a52d7f4838f67d79d6c9281087f1a89880e09ac21518f0ceb5a11ceabcb39d06e0ca8359b313e5939c6e67c0b6c34e859458e6ac10671bd9fe07326cf681d455e767ff6b0e67d98fa01c9b99d51204d5f725d2979b94ecedfc27b5ba3a263d9cb8a918f7127dad1104fd5d494c4cdf3feaba116761177892ac968328181954d53f1c8da2e52f2d1175e8dcbfc52adf224a878fa3dd21eb5cb941b988e426214fe521f20471f8d278d17c76cabe0c65841b60fc0e62a5986e0e8fb98b67213bf7a5e595a9ee50b8335384a122f834796b4c61b3f94d550a9c69707d5abdea5be9f6c77bbce513f92e7103acbb6914a3c0e7f977bcd1b932d19a10307389889281660e30917318214f3a61fc1c3115e95da249c67b8d6667ed923a1eb20b2897e2d04a79f1b507f71a5dd30129fbc98ee335906f0811751510d123ff8d643f847598e6e1deb6612bd74088f15885eded753831feb6291a99d3bb13ee1f87e1f79a4e0d37a4752ec76565dd0984ccfdc12f51ce0c4d2ff6240eb6f37f3820358cff67505491459e908277438fff8fb732f1dde2bfb3518d3145e3688a2ae967165d5f04065f3acfadbeaba31c137816a79af7bc9497dafaa2449abdaf0b29ebc0352b9a0880e6097b65dd29d782bbb83543476fd6260cc760ef1e9740b0dcf356bafed14fb15063c99fe9a728d55aacafd85ed210ba753c85d9df7b783ec343a57cf2b5abac54039627f62e470a63d4bd8a25355bbc6a6c0cddd5ac16fea15b849ba8a89a986179fd301e38e4d3d4a253ff90e9a7a0af3a4e6f052bb08d81807afd6d018f37e1dcc7ac60c4473fe21c2a61161806df955c5c26dc0e7ae11e24d292a2b78a37bc968460acd3346611208a787ae8cf4cbd65ed7d1672c7b64869f4a1f9e517cf511599c07d1ec4360b7ebb21485e0c650861789e89b9b07681640d2a59cd5dbe2b3b0ce1528ef26f3cee4d1d8321ab91f427ada9e6616d4639b5a3504400b3a715880ba731e7f6fb48092baaff3cf169a85e9c17fc6051ff9c008d745fc512cb5529d8e6c7fb4715ebac1591427e851ce33bc072e193200cfb7bec950a40d692a347b557464646364b38d7c0edfeb41e41ec61a4b7afa9ae2bafdc536fbaef3a1d12af605276cf0f232ac6c10d5c91e7fd7c1666a08b83a2be209c4ab71ca68cc49868bf72a1d719a2255162f6d4be50e114be61cca137c0c884ad906f56b979e7c69b9698d82aac07077284dc693307ae2474269acb953f9ea9035ac2f4da8454a4703b4027acc38fc74d3a3258fd393476366ae47cac28658fe454183a3cc2d63438b9178b1236646ed9455c588376c8b50eb80530ae7a4134789b1abad610c0bb9d1386fff62a33fae4f52e505dd3ad3996b2aab1202720d4f8830b43de470848d1135b7c5fe1b6cf026b571f787448966fcc4f5216207cf20974a548ddbfdc90fa6c15fdb6a813a316d4419ee8b18d558c4014f55170220b7df35ae68faa17cd424ece8f22656660f313c345e0fc017df1cdf7a337ac0279e5b5924d1de24bb71bf00dc960ee4f5e08eb1cd7d71bc94a62483aeae0aa5d57a2541892810254874ca48003ab9ba5760ec2c5bb0313e5e4a47132bfc6cc078ba31b2d67019471ab54925f8f9f69e1e29894446a9579ce93138556f0a53e440ac4aa3bc180df160c22973f2bac9e449fe10a7c2f09c21f226b14c7827c305b37017c0cd690300d5d25ab9b39a6bfaadbacf373ea078386ae28a3964eb63e8438acdeda361fbee9370a03d16ee72b95ec0640d107a8e6b870d76add0bf2e145b3f96c38b4cd93af5587c25b41b1531eca0f9ca640eac1e78a3ae0dd7343f05db6f35ae4f545fe4998fcce280bf0a9794db66d305c5027f8b3d53eaf207ece75f3e542d8d6013615ea54c9c94eb91358181b38341769f12e0c39fd932dd65c5a3be3133bf37a8a637ea1b89e71212bd335188042dcb0d2fec62bf45439b1d74b71d96e7db4f510368554f6e801bee9f6ce5cb077cf4eff108802052de3224d9a7e3d5fb0eaf76a02274286373e0a5763a56dbb8efa1271f3c46def3866fc7512e22040513598e198bac8f3ece23e7337ddcbdde53fee3e548173b06720794558ae366fe84e7e5c37f6e968cb33023605d162ef37d77f44251fa1ee808d875cbb8a401e7b0dca7f1af129fee5ef4257402f0945c4bc2b9658ae0d8d02f9cc028787552a577c61ab7d749db1d0d3ad87fb32bc11ab32d8e337d05b977f5823218e71c0b1a10e935860d9c720bb0f02259d785f3c62514a59dc85a6a42bef7f3615519cc07101d7468228784ffb49c5e9ff611034a214a4f7dfffbeb6adefe1433751286376d276d8903104fa83769f28383e95aca45ea1069e38534caa1fadb153dc83fefd85b19ab62c781fde8ec171aba3695a378806b0a4746f7d7117e867af0609865e000c76f94078edf2e40291eb11b4e60b64498ed63d2bfba3a3be360eeaf8e944f6d45fd9b923d340068a5b37f1427ada8dc83cef4b8c406970715640da7baea0c8a6854047b6d11a2d2bdbec9c84cc3d84dfe9a17605e171521f9d9e519b162c54fc38e37e5998c6b9a966de348ad9045effe85996282400870231c098118657bae1b21a31e43cf66673c91d84b2a1c959f55bc94834943cbde047e986d497f12ff4e9bf5457f1e5dd328e0014fe33115bc3bec0cd0955c33f3a23a0f2cc0539f812ee90ccbde6c2ae996a80edbe58bfd6fa7f8c657fb41b0245051c1d816e72b594c6e0f2f21c9b533305d97f04c8166786efa6e01a1b4da4eb2bad9eb6a54da2027a2f562cfdfe9243cb9cb7965c531ed2fb3d2544cd27a4bb5e13c48032ab007480042b34040d629da5046b9b60b893e5f4e7ebbe41b6724424d97540f365c1e7da5431c1b38e73c7d50bae960aa8b34aaa59be36ef4806923ebe0cecd5f1d66668946a79e2d3bfd5577b5a2f80560a8350ba673ec0c9300f02050494631772ab27ef430ef36712cd18033377496dc70f16d1cc2064ca8db32f435da33dbf83d9004cf3372a837f153066f2dc99441cc65d97bce15afbb1dfca15654f45af730741336e8eea2970c735565d04673802db5aceec643d3ee5c017dc519f6f67532f6b4953862ab31d37d28d7b59e3cfcd1f715c87971dfc0a994867763f85d9edae19181f300555139eea9cbdd368c9e2a9d269ee0cdaedefe57b1cc52b0d2ed9e7733c421fc843b6ccf38ca96134914c0712b86777de23bb23f181985a98f67a2eac116ffb9cd087e3ffc842cf888b7c729c4eb3bf42db66eb76db0534f40ab53a33eac29c29c35aa88d5072f2f83a4b554ca5b0662d9681f5e442644374773a6a5d19de3a8ec7438b36f3578f6ef0efbf9a737b836863d8691df28ed22812045c5f6e889d3a91e659afcbc829d0b28f7d7a8642e4b88ca31cb382020908fe4045b9cbe155a814a518bdfe903e5394af6b50d76b828f713bb287cd67e36c2229b4f58cb3296a93a2beddac9ef358c95caef8b38de7c2e8a365216962035b13c4b6cec5a4898cfb3e98996d55a940e19dac6ee62174f3449f373fdd58b30d50ecd13aaf17c4cf79775a7658db2ddad4294963d8abf63ada88cbe9110e17e3fa2602e815ba74133156b0fd60965060f08d59c58c3b7b4931cba3819e7ee80d2a8de6a1e27bb1bde51f32783e61518802edb077592f8fc3ce8ea8bc51e0a59df8becb6977d9c4638024370a4fedd50c086d2f5248c82ff0f11b6854ac344af530d8ba03dc453f11dc3bbd74cc88898adb5caeb60d9567e541341517bcb8ae1bb728f801e4f035b86851fa881db1926f1371a100110ab22ed813a72dc2930345d64fc75a93e65ef9a24e53b5bb44b14133214086c1bd17e3e856d1f23b4fcca2ec926cebfbfab87b31fdd3dc14460b5767da124e8ba70f754edaf8adfeac9b48c3e8eeefcd650b9e740bc49d8ce1bffb003c3790270354f3b5399f26d7f83a853e039492c76ed6b948026b49647af1e7a119976f7fbcd8601dcaaf1873a01c2a5eae9661e4bc30d05cc0a6304f61d7b1efc460509fff469f9dca9a4f4d597e8061ea50ecb978f7d37a9b822565b31536ea0fd183c0ffb7e81ea415b8929a86db76370930b23464f078d50b30a76bbcc671b37508c78b880a88b7b28879f17c943015908978a9bf3b3fe9c1759aafa0e8671c75adb24b2ddc4a6e364cfc512619997ddebade5b897962635a9a755201f43585ea4ac6274eb2d21b5c46449d6cd3458f70af1f5ef7b9da4206adca65207f325a1ce33ed0a3351e4ea155ee2d4ef9a7bd83ee3fe14f142a6798f74e2cf02ff83f49c64b5ff48cca26839205604dd224c521c443506de8a664173bc5cb50f3e1dd0c4820af21bf5cbd33d4ab67c605ac57e86d040949c39ea6540c7e1cf10dc80b0d7c9359bf857f94008399026f389eb10f0f7854ceb016e840f31a6b3442a9ab5e3998bfa3c25c468493337da71f6cfce7e73e4502e94edfa1864ef30b8758d00c856c2d7d96bc2c6699af8f78e7546855677489396d29bb3fe0f9db898f71f08cf9b9086d8dc9d8961356404da9a72285ed7786beadf07168762ac16d3e76b8d017830e4c7a94dac806dec04732dcef89b68ff5392afe8f8018dece18482ff4358e44773438edff69b3566870e7a83a6bf1e374891b9718d6bf07709c526b48cda4e8e2002737c1855b9a5172c67fbf99edac9a5996cb1dec3ee6b6a17103655be3716b44564f8866428b827e3d864ec8f842e92a63bd2089581aa6cf3defcea66414138e88ae975452b90965b4e6b6fadae19ef8238134218d65490d7f64c6513612cd5883f9b61f18fb54f062564e4e15986f68fbd4c79fe91e25554829045c679406a520a3fdf815266b2d6a25ff41e141ad0dda67626cb60b874158bbc4b8f556cb18d737b40a8d3a785beb79d2dd4662a0dbe8294c0e0bd67b7727a978b656ed3f6ecd521639fb10a19cd3657ff9825be7fec55f901b6f729b86b8e651e85132080fc1e2a117fa0a5b62585db08dbe27f3b27412af64f4630750e7f41dd82e4d0140d379dd55c3103d8a25d049f39bf0726b728a826c0aad9c55a85c59fa6014fb5d2ba2276420cc4399e70084146b4269151ea8462620a7bc01b097a331f7c8f62e38a25e866775599076fb73acd6556337a8e0378ea27fa9395df4307d462ad62bc25a14d626edb32b2234968aa48680b5fef800f1d4e44c48d24f52867ec4ca2eb5a9089c3b50e43b01a001715060ddda43d707fa66321768e575337bd54af1227d6e77e5f5b86abfd019cad4314a258b3fcf88b714f86ebb0596d80c75f61673382eadef41797d8ae414916fe49be018bd9d039c88ee2c38f5a3620565bfd98ebae1b639cafeeb72eb214bb96cda7b75297d228211d583dae448eaaa36c685817c5cb8c2cb34a0a0f81a79fb5fa4fbbf4144d24380847d6bf0eea061869a4cfcf05d52893acaf4df3297e6008a655e165bbb224032fee49bb9eb460258e286a2030e02098c992893a9eaf395157c5201b541891d9de811bc0bbfb91895c8658a6f6a758318f3f27fb91d8e1e19e0847cf6e03653bced9f343e97808a0c0fdad705875e537d676289df21085ad957ef2ddbd63250a6e210221ac046758", 0x1000}, {&(0x7f0000007940)="f6678db2b6aa37f97dc5f9c600e6d643324b3b18ff54b4eb5ea24a67af0e6fea2b974e5ee91a269e8d11143d4eda4d55f0247ffbe96fd76dec5a3f860f8f", 0x3e}], 0x5, 0x0, 0x0, 0x1}], 0xa, 0x4000) ftruncate(r1, 0x800) setsockopt$inet_udp_int(r1, 0x11, 0x67, &(0x7f0000000000)=0x100000001, 0x4) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:18 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$TUNSETOFFLOAD(r1, 0x400454d0, 0x1) 2018/04/21 01:57:18 executing program 7: getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000200)={{{@in=@dev, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@rand_addr}}, &(0x7f0000000040)=0xe8) stat(&(0x7f00000000c0)='./file0/file1\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000480)={{{@in6=@mcast1, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@remote}}, &(0x7f0000000100)=0xe8) setresuid(r0, r1, r2) mkdir(&(0x7f0000000440)='./file0\x00', 0x0) mknod(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) mknod(&(0x7f0000000000)='./file0/file1\x00', 0xa001, 0x40) mount(&(0x7f0000000140)='./file0/file1\x00', &(0x7f0000000180)='./file0/file0\x00', &(0x7f00000001c0)='fuseblk\x00', 0x0, &(0x7f0000000200)) [ 718.065893] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/04/21 01:57:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/04/21 01:57:18 executing program 1: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f0000001380)=ANY=[]) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000c4fff8)='./file0\x00', &(0x7f000002effa)='ramfs\x00', 0x100000, &(0x7f0000ce3000)) chdir(&(0x7f0000000080)='./file0\x00') mount(&(0x7f0000e87ff8)='./file0\x00', &(0x7f0000fc1000)='./file0\x00', &(0x7f00000a7ffc)='pstore\x00', 0x1000, 0x0) mount(&(0x7f00000000c0)='/\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='nfs\x00', 0x8ff8c, &(0x7f000002f000)) umount2(&(0x7f0000d5bfff)='.', 0x2) [ 718.210317] blk_update_request: I/O error, dev loop0, sector 0 [ 718.216368] Buffer I/O error on dev loop0, logical block 0, lost async page write 2018/04/21 01:57:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) ioctl$DRM_IOCTL_GET_MAP(r1, 0xc0186404, &(0x7f0000000040)={&(0x7f00004dc000/0x4000)=nil, 0x2, 0x5, 0x20, &(0x7f00004dd000/0x3000)=nil, 0x19}) mprotect(&(0x7f00004dc000/0x3000)=nil, 0x3000, 0x1000002) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) socketpair(0x3, 0x8080f, 0x1, &(0x7f0000000000)) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 2018/04/21 01:57:18 executing program 5: syz_open_dev$loop(&(0x7f0000000380)='/dev/loop#\x00', 0x0, 0x20000) umount2(&(0x7f0000000040)='./file0\x00', 0x1) lremovexattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)=@known='user.syz\x00') syz_mount_image$hfs(&(0x7f00000000c0)='hfs\x00', &(0x7f0000000100)='./file0\x00', 0x81, 0x3, &(0x7f0000000300)=[{&(0x7f0000000140)="2df03a8de30f505f89c3d47af97a18aa492d33ccdb652a8a45553a980ab33b516b7e28ac40d62a845d9ba6d67eb7464b2d5335ec", 0x34, 0xfff}, {&(0x7f0000000180)="85ebcb679e04716b0af5ad9f08e7873d3e75dc346087d2297fdeaee36259711727a3cca76b329098c0368a319249e9da7caaa4aa4f9693c4cf04bfde578204bcf5e5bbd8a0ee84114ed3e22c9716359e0bdd82e21bf7347c25a04d673d4fb0855fbdc112149847fcc8fe10e6d676ecd155d98417ec0d25f21a5c5d56343e1f9a19bb451a3ee6f030a4d1033a281873d88072e96d3afd6c1ac1c1a2c877314e8815d73afd886d", 0xa6, 0x7}, {&(0x7f0000000240)="c0d64691b7cf46e11bb390f2b5abf4a3d8ca6206fc544b89e9087c9ef49c84cfe7299a4074fcd1a2178cae988a15ef50a0ba09407c5fb449fab35167111709d3c1ff282e1231268acab617f94574650ae3318bad9ee8d9f213c1b38db08bab81d1ea82ca646741feadf920955337188468dead697d6168ae73fe8508d794a63b0d2c810b375d2a219b0656c8815a229cc7b216c4e3439a27a99bc180e3", 0x9d, 0x80000000}], 0x40008, &(0x7f0000000340)=ANY=[@ANYBLOB='session=56\x00855x,umask=44\x00et=macroman,\x00']) 2018/04/21 01:57:18 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) pwritev(r1, &(0x7f00000003c0)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fsync(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800216}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv6_delroute={0xe4, 0x19, 0x4, 0x70bd29, 0x25dfdbfb, {0xa, 0x10, 0x14, 0x7fffffff, 0xfe, 0x0, 0xff, 0xb, 0x800}, [@RTA_ENCAP={0xb8, 0x16, @generic="a8959eaeb6c72c24a72ec00dd9dd55408ef1fac01507ee13a9c1419ed828b09369283659ac00ee44c5acf0422d416f0c22e6a127c4d13e9d46b7b125738b1b35fa6632b228f444184a9caf6456284080e478b4a0b6b9add20173dbc8beaf3a772e9eb856fb5a875a208335949461fd8cecbcbff2e5487621d7665f1607579a8ff6bb2e99b0e71632c1799decf835adaff9657de3c950d1e0a4c7667d5a6c22532e7de5f6801d3e3fece3cc415a88222b23"}, @RTA_EXPIRES={0x8, 0x10, 0x2}, @RTA_ENCAP_TYPE={0x8, 0x15, 0x2}]}, 0xe4}, 0x1, 0x0, 0x0, 0x20000840}, 0x0) ioctl$LOOP_CLR_FD(0xffffffffffffffff, 0x4c01) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(r1, 0x800) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) [ 718.397354] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 718.642316] blk_update_request: I/O error, dev loop0, sector 0 [ 718.648342] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 859.391905] INFO: task syz-executor2:5404 blocked for more than 120 seconds. [ 859.399123] Not tainted 4.9.95-g13cc540 #5 [ 859.404296] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.412334] syz-executor2 D28912 5404 3857 0x20020004 [ 859.418119] ffff8801cd193000 ffff8801bf120000 ffff8801d9679f80 ffff8801a6a14800 [ 859.426187] ffff8801db321b98 ffff8801c131fa90 ffffffff839e140d 1ffff10038263f46 [ 859.434549] ffffffff85341f38 0000000041b58ab3 00ffffff841c03f8 ffff8801db322468 [ 859.442557] Call Trace: [ 859.445184] [] ? __schedule+0x64d/0x1bd0 [ 859.450877] [] schedule+0x7f/0x1b0 [ 859.456100] [] schedule_timeout+0x861/0xf70 [ 859.462104] [] ? debug_check_no_locks_freed+0x210/0x210 [ 859.469096] [] ? usleep_range+0x140/0x140 [ 859.474979] [] ? kvm_clock_read+0x23/0x40 [ 859.480759] [] ? kvm_clock_get_cycles+0x9/0x10 [ 859.487031] [] ? ktime_get+0x185/0x1e0 [ 859.492719] [] ? __delayacct_blkio_start+0x41/0x80 [ 859.499277] [] io_schedule_timeout+0x1ba/0x390 [ 859.505515] [] wait_for_completion_io+0x203/0x2e0 [ 859.512007] [] ? bit_wait_timeout+0x130/0x130 [ 859.518190] [] ? wake_up_q+0xe0/0xe0 [ 859.523571] [] ? lockdep_init_map+0x105/0x4f0 [ 859.529712] [] submit_bio_wait+0x112/0x180 [ 859.535766] [] ? submit_bio_wait_endio+0xb0/0xb0 [ 859.542165] [] ? filemap_check_errors+0x90/0xc0 [ 859.548476] [] blkdev_issue_flush+0x152/0x220 [ 859.554698] [] blkdev_fsync+0x85/0xb0 [ 859.560127] [] ? thaw_bdev+0x180/0x180 [ 859.566029] [] vfs_fsync_range+0x10c/0x260 [ 859.571920] [] ? __fget_light+0x169/0x1f0 [ 859.577697] [] do_fsync+0x42/0xb0 [ 859.582797] [] ? SyS_syncfs+0xe0/0xe0 [ 859.588223] [] SyS_fsync+0x16/0x20 [ 859.593422] [] do_fast_syscall_32+0x2f7/0x870 [ 859.599547] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.606354] [] entry_SYSENTER_compat+0x90/0xa2 [ 859.612578] [ 859.612578] Showing all locks held in the system: [ 859.618874] 2 locks held by khungtaskd/518: [ 859.623184] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 859.631922] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 859.641615] 1 lock held by rsyslogd/3676: [ 859.645759] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 [ 859.654650] 2 locks held by getty/3772: [ 859.658597] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 859.667913] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16b0 [ 859.677923] [ 859.679522] ============================================= [ 859.679522] [ 859.686592] NMI backtrace for cpu 0 [ 859.690194] CPU: 0 PID: 518 Comm: khungtaskd Not tainted 4.9.95-g13cc540 #5 [ 859.697270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 859.706609] ffff8801d86ffd08 ffffffff81eb0ba9 0000000000000000 0000000000000000 [ 859.714597] 0000000000000000 0000000000000001 ffffffff810b7d60 ffff8801d86ffd40 [ 859.722602] ffffffff81ebbed7 0000000000000000 0000000000000000 0000000000000002 [ 859.730579] Call Trace: [ 859.733189] [] dump_stack+0xc1/0x128 [ 859.738538] [] ? irq_force_complete_move+0x320/0x320 [ 859.745262] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 859.751737] [] ? irq_force_complete_move+0x320/0x320 [ 859.758460] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 859.765530] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 859.772538] [] watchdog+0x6b4/0xa20 [ 859.777786] [] ? watchdog+0x11c/0xa20 [ 859.783269] [] kthread+0x26d/0x300 [ 859.788435] [] ? reset_hung_task_detector+0x20/0x20 [ 859.795074] [] ? kthread_park+0xa0/0xa0 [ 859.800667] [] ? kthread_park+0xa0/0xa0 [ 859.806262] [] ? kthread_park+0xa0/0xa0 [ 859.811861] [] ret_from_fork+0x5c/0x70 [ 859.817524] Sending NMI from CPU 0 to CPUs 1: [ 859.822353] NMI backtrace for cpu 1 [ 859.825986] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.9.95-g13cc540 #5 [ 859.832812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 859.842148] task: ffff8801d9b73000 task.stack: ffff8801d9b88000 [ 859.848176] RIP: 0010:[] c [] __lock_acquire+0xee4/0x4070 [ 859.862015] RSP: 0018:ffff8801db307d10 EFLAGS: 00000046 [ 859.867435] RAX: 0000000000000000 RBX: ffff8801d9b738c8 RCX: 00000000ffffffd1 [ 859.874677] RDX: 1ffff1003b36e71d RSI: ffff8801d9b738c8 RDI: 0000000000000000 [ 859.881917] RBP: ffff8801db307eb8 R08: ffff8801d9b738e8 R09: 0000000000000001 [ 859.889160] R10: ffff8801d9b73000 R11: 0000000000000001 R12: 000000000000002f [ 859.896403] R13: 0000000000000000 R14: 000000002abc0a8d R15: 7ef8ab1144cb32c8 [ 859.903646] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 859.911843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 859.917693] CR2: 00007f18619c8000 CR3: 00000001c4dd6000 CR4: 0000000000160670 [ 859.924931] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 859.932170] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 859.939411] Stack: [ 859.941531] ffffffff81234350c 000000000000000bc ffff8801db318558c 0000000c00000008c [ 859.949725] 0000000b00000020c ffff8801db307d78c ffffffff81f1863bc ffff8801d9b738c0c [ 859.957927] ffff8801d9b738c8c 0000000000000246c 000000000000dceac ffffffff81205a52c [ 859.966119] Call Trace: [ 859.968669] d [] ? debug_check_no_locks_freed+0x210/0x210 [ 859.976429] [] ? check_preemption_disabled+0x3b/0x170 [ 859.983234] [] ? rebalance_domains+0x2b2/0xbc0 [ 859.989434] [] ? debug_check_no_locks_freed+0x210/0x210 [ 859.996418] [] ? check_preemption_disabled+0x3b/0x170 [ 860.003223] [] lock_acquire+0x130/0x3e0 [ 860.008821] [] ? tick_irq_enter+0xcc/0x220 [ 860.014670] [] ktime_get+0x11a/0x1e0 [ 860.020000] [] ? tick_irq_enter+0xcc/0x220 [ 860.025851] [] tick_irq_enter+0xcc/0x220 [ 860.031530] [] irq_enter+0xb3/0xd0 [ 860.036696] [] smp_reschedule_interrupt+0xa/0x90 [ 860.043247] [] reschedule_interrupt+0xa0/0xb0 [ 860.049447] d [] ? native_safe_halt+0x6/0x10 [ 860.056078] [] ? trace_hardirqs_on+0xd/0x10 [ 860.062015] [] default_idle+0x55/0x360 [ 860.067517] [] arch_cpu_idle+0x10/0x20 [ 860.073019] [] default_idle_call+0x45/0x60 [ 860.078883] [] cpu_startup_entry+0x2b5/0x380 [ 860.084906] [] ? cpu_in_idle+0x20/0x20 [ 860.090410] [] start_secondary+0x323/0x400 [ 860.096266] [] ? set_cpu_sibling_map+0x1300/0x1300 [ 860.102814] Code: c00 c00 c0f c84 c0b c04 c00 c00 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c48 c8b c54 c24 c78 c48 cc1 cea c03 c0f cb6 c04 c02 c84 cc0 c74 c08 c3c c03 c0f c8e c60 c2f c00 c00 c<44> c0f cb7 c63 c20 c41 c81 ce4 cff c1f c00 c00 c4d c69 ce4 cb0 c01 c00 c00 c49 c81 c [ 860.133553] Kernel panic - not syncing: hung_task: blocked tasks [ 860.139794] CPU: 0 PID: 518 Comm: khungtaskd Not tainted 4.9.95-g13cc540 #5 [ 860.146870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 860.156198] ffff8801d86ffcc8 ffffffff81eb0ba9 ffffffff83a8b4e0 00000000ffffffff [ 860.164178] 0000000000000000 0000000000000000 dffffc0000000000 ffff8801d86ffd88 [ 860.172178] ffffffff8141f945 0000000041b58ab3 ffffffff841b7b88 ffffffff8141f786 [ 860.180159] Call Trace: [ 860.182721] [] dump_stack+0xc1/0x128 [ 860.188056] [] panic+0x1bf/0x3bc [ 860.193043] [] ? add_taint.cold.6+0x16/0x16 [ 860.198987] [] ? ___preempt_schedule+0x16/0x18 [ 860.205197] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 860.212445] [] watchdog+0x6c5/0xa20 [ 860.217703] [] ? watchdog+0x11c/0xa20 [ 860.223128] [] kthread+0x26d/0x300 [ 860.228300] [] ? reset_hung_task_detector+0x20/0x20 [ 860.234940] [] ? kthread_park+0xa0/0xa0 [ 860.240534] [] ? kthread_park+0xa0/0xa0 [ 860.246137] [] ? kthread_park+0xa0/0xa0 [ 860.251739] [] ret_from_fork+0x5c/0x70 [ 860.257787] Dumping ftrace buffer: [ 860.261389] (ftrace buffer empty) [ 860.265074] Kernel Offset: disabled [ 860.268691] Rebooting in 86400 seconds..