Extracting prog: 30m47.854960674s Minimizing prog: 1h18m33.950407822s Simplifying prog options: 16m29.633325394s Extracting C: 5m11.753815276s Simplifying C: 0s 30 programs, timeouts [6m0s] extracting reproducer from 30 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$fuse-chdir-ioctl$AUTOFS_IOC_PROTOSUBVER-prlimit64-socket$nl_route-getpid-sched_setscheduler-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket-sendto-sched_setscheduler-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE-pipe2$9p-write-mount$9p_fd-syz_mount_image$iso9660-name_to_handle_at detailed listing: executing program 0: mount$fuse(0x0, 0x0, 0x0, 0x0, 0x0) chdir(0x0) ioctl$AUTOFS_IOC_PROTOSUBVER(0xffffffffffffffff, 0x40049366, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket(0x0, 0x2, 0x8) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) r3 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000080), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r3, 0xc0145401, &(0x7f0000000280)={0x3, 0x0, 0x0, 0x0, 0x80000000}) pipe2$9p(0x0, 0x0) write(0xffffffffffffffff, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f00000002c0)=ANY=[]) r4 = syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000000)='./file0\x00', 0x201c448, &(0x7f0000000240)=ANY=[], 0x0, 0xa78, &(0x7f0000000540)="$eJzs3c1vHGf9APDvbGzHdqs2bfNr+4vaZpIqrdsGZ23TRFEPNLHXyRa/INuRGgnUVI2DolgUNSC1EVJTCXGiokIICZAQ6pFTpXKgF5QTcOTEAQn6H6CKU4qAQTO7a+86+5K4azstn0+03pl5vs/bzOw88Xp3nuDzLMuy4rHF9XO/3snGcvc5PfPx+x+8mz/euR5DsSeeT34bMRwRacTAv4tzZXB6ZmlxvkdBVyIuRMSNiCQi9kbtuYORlrULkfwo7t1YvxHJL+LRNtmG77Bz9JTxP223zz8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALgrTc+UyxNJzFUXzr2cdlZMAd4lvVHcR8Ws38lHvapNIpL8EcPDjam+H92/kfxw/uNwPFZbe6w28/dwXLvn4X0vPDRQauTv0qAdcfWta1deXVtbfaO+vjdNB3tm2rvtzbpzQ1vLdqayUF1erM6fOlNJq8uL6cnjx8vHzs4up7PVqCyfX16pzKfTS5VTK4tL6dj0M+nEyZNTaWX8/OK5hTMz43OVxsYTX5osl4+nL41/rXJqaXlx4dhL48vTZ6tzc9WFM0VMnpzHnMhPxK9WV9KVyqn5NL10eW11qlcj86CJtilJa9Bkr5Imy5OTExOTI3H8+ZPPnyiXB+obJicaG8qbxC0Ru3/S0m+/vO3I3/T9+g2fQak+/sdcVGMhzsXLkbb9Nx0zsRSLMd8mLdkorzH+HzlW6Vpv8/jfGOUf3Ug+EMX4/0Rt7YlO43+Htvb+l2W1kreav/HvarwV1+JKvBprsRar8cZnLjGN37euf7o5/V9Zlm2h3DTv7cHmfdCHtp6JSixENZZjMaoxH6eKLWl9Sxon43gcj3K8EmdjNpYjjdmoxlxUYjnOx3KsRKU4o6ZjKSppxEosxlKkMRbT8UykMREnYySmIo1KjMf5WIxzsRBnYiZOFaVcisvFfp/q0sb1oInbCZrsEnTLYP7Zxv/sbvyfINutz1dw2LqsPv4PdQzIGktj0zvWKgAAAKCf/v+Pcd/+B//w14jBeLx4X362Olcp73azAAAAgD4qPq73WP40mEXE45G0+f2/tEuNAwAAAPoiKb5jl0TEaBysLdW+CbUnfAgAAAAAviCKv/8/kT+N5ksHI1m/E8qF3W4bAAAA0B+977HfMyIZjvo9LdOLteeL9Yj6fX5HZ6tzlfHpxbkXJuKp4i4DxTcNbiltT0QyWHz94Nk4VIs6NFp7Hm0tcTiPmhh/YSKejcP1jow9mT89OdYmcrIW+XQt8ukukVN5JAB80R2+dTz+NLvD8f/ZOFqLOHpgYCgiBg60GVnLGyPrwG50FABY13uOndaIt+v5msf/L2/8/j9YT24Z/x+MS//JN67GeLwWr8daXIyjxbcNik8ctNT79ffq7xmsfwyhHEd7vBvQiP3TiVIc7fF+wGjTRC9He7wjUIuNb0RMbe9BAIAddrjDONxp/C8iovHBwdr4f7Tp9/+49ff/9amFVn2lEADuCusz2Pd1IdvTvGW3+wgAtDJKAwAAAAAAAAAAAAAAAAAAAAAAAAAAQP/19bb/w1vM/rf6vH61LVn/5yNovzBS3weNLW/f0d545+pb134cEc1JpbwT29PmoqX9LbnUh3KyiNip47VzC7EvYst7NdolDUXEtjd+pB9VfFpfqL02St0uHue6pgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPA5kETsabe9FLE3IsoRcWznW7V9ru92A3beV5pXkptxM96M+3avOQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAX0z1+/+XovZ8T21TDJQijkTEhYjIdruN/XRztxvQJyNbzNd0///8mEeWxEDtsEcyOD2ztDifH/5i7ofSx+9/8O4jrdn33m49RWBp0+QS9Ro2x/7q3sbSA0Wu0ZnVq1e+8/q305nTUYqhOL0yOzczf2bpxY0sDycfRqRRezTk7c0f3zvyu/fa9PzDvKftba53ttg5M7fW+0i73N3r7eby2upkXtNK5eWV737r8ptNSQ/GoYgnxyLGWmv6Zv7oUNOhGOxWW/JJ8oPkvvhpXCiOf743kizJD9H9Rf9HLl1eWx1/7fW1ix3atC8ORsTFiOGebVrf1QeL60lbxVlXGsxrLRdB+Y/9PfrYXvMcF7USJzr04YHilBmt92GopQ+lDnWmnftQ7PCm/V5qLCTJ5hZN1Vs0FK0teiieanOks70RnffCU92PdHvJJ8lfkrPx5/h+0/wfpfz4H4nOr87WIorIpjOlY2SpFln0fLI54ZXNkX//2W21vu00NdypH7a8eEtN1//6serT9ShLul6Pmmqc6lBj+9fFpho3nxWljh0vRqT9m3LUrz4dM9Xaub8W1aGd/xfPRQwc6HZVvGW0fq7zFaU1/4vtk7f6+v95Mhb/iOvm/wEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAO5+ScSedttLEUciYl9jPY3I7qDYvZ0SSqPJnTaxr66v//ic21/8LLVse6d3tuRm3Mze3q5GAQAAAAAAALDTTs98/P4H7+aP4u/xe25mWf3v+2nEQETsS34yEjNLi/M9ChqMuBARN/Ll4U5B/8xqWrfm+eLejfUbEdn9W+8SANDDfwMAAP//zlFyiw==") name_to_handle_at(r4, 0x0, &(0x7f0000000180)=ANY=[], 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-sched_setaffinity-ioctl$sock_SIOCGPGRP-ptrace$setregs-openat$hwrng-preadv-syz_init_net_socket$bt_l2cap-bind$bt_hci-syz_init_net_socket$x25-sendto$inet-syz_init_net_socket$bt_hci-socket$inet6_sctp-socketpair$tipc-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-bpf$PROG_LOAD-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-write$cgroup_subtree-openat-write$binfmt_misc-syz_mount_image$ext4-setxattr$trusted_overlay_upper detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000040)=0x10001) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) ptrace$setregs(0xffffffffffffffff, 0x0, 0x100, 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r0, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x0, 0x0) bind$bt_hci(0xffffffffffffffff, 0x0, 0x0) syz_init_net_socket$x25(0x9, 0x5, 0x0) sendto$inet(0xffffffffffffffff, &(0x7f0000000100)='I', 0x1, 0x0, 0x0, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) socket$inet6_sctp(0xa, 0x0, 0x84) socketpair$tipc(0x1e, 0x0, 0x0, &(0x7f0000000180)) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x5c, 0x2, 0x6, 0x5, 0x0, 0x0, {}, [@IPSET_ATTR_TYPENAME={0x10, 0x3, 'hash:ip,mac\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_DATA={0x14, 0x7, 0x0, 0x1, [@IPSET_ATTR_HASHSIZE={0x8}, @IPSET_ATTR_BUCKETSIZE={0x5}]}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0x2}, @IPSET_ATTR_PROTOCOL={0x5, 0x1, 0x6}]}, 0x5c}}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000080)='cpuset.cpus\x00', 0x2, 0x0) write$cgroup_subtree(r3, &(0x7f00000001c0)=ANY=[@ANYBLOB='N-N:N/8'], 0x6a) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) write$binfmt_misc(0xffffffffffffffff, 0x0, 0x6) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000280)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x800700, &(0x7f0000000340)={[{@journal_ioprio={'journal_ioprio', 0x3d, 0x5}}, {@nogrpid}, {@nodelalloc}, {@minixdf}, {@resgid}, {@sysvgroups}, {@barrier_val={'barrier', 0x3d, 0x1}}]}, 0x3, 0x455, &(0x7f0000001080)="$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") setxattr$trusted_overlay_upper(&(0x7f0000000300)='./file0\x00', &(0x7f0000000240), &(0x7f0000000880)=ANY=[], 0xff27, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-sendmsg$netlink-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$cgroup_ro-openat$urandom-dup2-write$P9_RGETLOCK-sendmsg$nl_netfilter-openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-socket$nl_route-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$nl_route-ioctl$UI_DEV_CREATE detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000380)={[{@test_dummy_encryption}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x84}}, {@stripe={'stripe', 0x3d, 0x7}}, {@commit={'commit', 0x3d, 0x5}}, {@orlov}, {@barrier_val={'barrier', 0x3d, 0x5}}, {@data_err_abort}, {@data_err_abort}]}, 0xd, 0x5d8, &(0x7f0000000c00)="$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") sendmsg$netlink(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xfffffffffffffeaf, &(0x7f00000001c0), 0x0, 0x0, 0x0, 0x40d1}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='pids.current\x00', 0x275a, 0x0) r4 = openat$urandom(0xffffffffffffff9c, 0x0, 0x22082, 0x0) dup2(r4, r4) write$P9_RGETLOCK(0xffffffffffffffff, 0x0, 0xfdef) sendmsg$nl_netfilter(r3, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000400)={0x30, 0xc, 0x0, 0x401, 0x70bd2d, 0x27dfdbfe, {0x7}, [@generic="7a1cd9377e3821382cc15229534422c16cc70a203a2f333538a7e4"]}, 0x30}, 0x1, 0x0, 0x0, 0x60008000}, 0x810) r5 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$UI_DEV_SETUP(r5, 0x405c5503, &(0x7f00000001c0)={{}, 'syz1\x00', 0x48}) ioctl$UI_SET_FFBIT(r5, 0x4004556b, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r7, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=@ipv4_newaddr={0x3c, 0x14, 0x509, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r8}, [@IFA_LOCAL={0x8, 0x2, @local}, @IFA_LABEL={0x14, 0x3, 'veth1_to_bond\x00'}, @IFA_FLAGS={0x8, 0x8, 0x530}]}, 0x3c}}, 0x0) ioctl$UI_DEV_CREATE(r5, 0x5501) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setaffinity-syz_open_dev$MSR-read$msr-bpf$MAP_CREATE_CONST_STR-bpf$PROG_LOAD-sendmsg$NL80211_CMD_DEAUTHENTICATE-prctl$PR_SCHED_CORE-getpid-socket$alg-bind$alg-bpf$PROG_LOAD-syz_genetlink_get_family_id$ipvs-socket$nl_generic-socket$inet6_tcp-getsockopt$IP_VS_SO_GET_SERVICES-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_RESOLVE_IP-write$RDMA_USER_CM_CMD_QUERY-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_IOEVENTFD-ioctl$KVM_IOEVENTFD-ioctl$KVM_IOEVENTFD detailed listing: executing program 0: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmsg$NL80211_CMD_DEAUTHENTICATE(0xffffffffffffffff, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) getpid() socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP_VS_SO_GET_SERVICES(r1, 0x0, 0x482, &(0x7f0000001640)=""/139, &(0x7f0000000100)=0x8) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000480), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000280)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r2, 0x0, 0x0) write$RDMA_USER_CM_CMD_QUERY(r2, &(0x7f0000000080)={0x13, 0x10, 0xfa00, {&(0x7f00000004c0), r3, 0x2}}, 0x18) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x28000, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, 0x0) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, &(0x7f00000000c0)) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$EXT4_IOC_MIGRATE-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-syz_open_dev$ndb detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EXT4_IOC_MIGRATE(r4, 0x6609) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) program crashed: INFO: task hung in bdev_release single: successfully extracted reproducer found reproducer with 11 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$EXT4_IOC_MIGRATE-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EXT4_IOC_MIGRATE(r4, 0x6609) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$EXT4_IOC_MIGRATE-ioctl$NBD_SET_SOCK detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EXT4_IOC_MIGRATE(r4, 0x6609) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$EXT4_IOC_MIGRATE-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) ioctl$NBD_DO_IT(r2, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-syz_open_dev$ndb-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-write-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) write(r0, &(0x7f0000000340)="04000000010000", 0x7) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-bind$bt_hci-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r0, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x3) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT program crashed: no output from test machine a never seen crash title: no output from test machine, ignore reproducing took 2h11m26.888418808s repro crashed as (corrupted=false): INFO: task syz.0.15:5404 blocked for more than 143 seconds. Not tainted 6.11.0-next-20240927-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.15 state:D stack:23808 pid:5404 tgid:5404 ppid:5321 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 bdev_release+0x17e/0x700 block/bdev.c:1087 blkdev_release+0x15/0x20 block/fops.c:639 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb4fd7dff9 RSP: 002b:00007ffd996a0e28 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fdb4ff37a80 RCX: 00007fdb4fd7dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fdb4ff37a80 R08: 0000000000000006 R09: 00007ffd996a111f R10: 000000000003fdb4 R11: 0000000000000246 R12: 0000000000010945 R13: 00007ffd996a0f30 R14: 0000000000000032 R15: ffffffffffffffff INFO: task syz.0.15:5405 blocked for more than 143 seconds. Not tainted 6.11.0-next-20240927-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.15 state:D stack:26528 pid:5405 tgid:5404 ppid:5321 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 bdev_release+0x17e/0x700 block/bdev.c:1087 blkdev_release+0x15/0x20 block/fops.c:639 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb4fd7dff9 RSP: 002b:00007fdb50b75038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fdb4ff35f80 RCX: 00007fdb4fd7dff9 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 RBP: 00007fdb4fdf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdb4ff35f80 R15: 00007ffd996a0cc8 Showing all locks held in the system: 3 locks held by kworker/0:0/8: #0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc900000d7d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc900000d7d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 1 lock held by khungtaskd/30: #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720 5 locks held by kworker/u8:6/964: #0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc90003a1fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90003a1fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcc6810 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580 #3: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: cleanup_net+0x6af/0xcc0 net/core/net_namespace.c:616 #4: ffffffff8e93d378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #4: ffffffff8e93d378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:976 2 locks held by dhcpcd/4900: #0: ffffffff8fcb7e28 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x661/0x8e0 net/socket.c:1309 #1: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553 2 locks held by getty/4982: #0: ffff88814cd000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by udevd/5330: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.15/5404: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x17e/0x700 block/bdev.c:1087 1 lock held by syz.0.15/5405: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x17e/0x700 block/bdev.c:1087 1 lock held by syz.0.16/5421: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.16/5422: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.17/5439: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.17/5441: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.18/5461: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.18/5462: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.19/5478: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.19/5479: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.20/5495: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.20/5496: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.21/5512: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.21/5513: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.22/5529: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.22/5530: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 7 locks held by syz-executor/6002: #0: ffff8880328c0420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2949 [inline] #0: ffff8880328c0420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 fs/read_write.c:679 #1: ffff88806f8be088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325 #2: ffff888026e800f8 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326 #3: ffffffff8f571388 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293 #5: ffff888079b36250 (&devlink->lock_key#19){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672 #6: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2941 Comm: kworker/u8:10 Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:instrument_atomic_read include/linux/instrumented.h:68 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4851 [inline] RIP: 0010:__lock_acquire+0x886/0x2050 kernel/locking/lockdep.c:5152 Code: f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 4d 01 00 00 41 8b 5d 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 b8 2c 94 08 00 00 00 e8 a0 4c 8e 00 48 0f a3 1d d8 6a bc 12 73 1a 48 69 RSP: 0018:ffffc90009b8f710 EFLAGS: 00000006 RAX: 0000000000000003 RBX: 00000000000000c5 RCX: ffff88802e6ebc00 RDX: dffffc0000000000 RSI: ffff88802e6ec6e0 RDI: ffffffff942cb818 RBP: 00000000ffffffff R08: ffffffff942cb807 R09: 1ffffffff2859700 R10: dffffc0000000000 R11: fffffbfff2859701 R12: 0000000000000000 R13: ffff88802e6ec700 R14: 0000000000000000 R15: ffff88802e6ec700 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055713b7e2680 CR3: 000000000e734000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] ieee80211_sta_active_ibss+0xe4/0x330 net/mac80211/ibss.c:642 ieee80211_sta_merge_ibss net/mac80211/ibss.c:1280 [inline] ieee80211_ibss_work+0x8fe/0x14c0 net/mac80211/ibss.c:1671 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 final repro crashed as (corrupted=false): INFO: task syz.0.15:5404 blocked for more than 143 seconds. Not tainted 6.11.0-next-20240927-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.15 state:D stack:23808 pid:5404 tgid:5404 ppid:5321 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 bdev_release+0x17e/0x700 block/bdev.c:1087 blkdev_release+0x15/0x20 block/fops.c:639 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb4fd7dff9 RSP: 002b:00007ffd996a0e28 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fdb4ff37a80 RCX: 00007fdb4fd7dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fdb4ff37a80 R08: 0000000000000006 R09: 00007ffd996a111f R10: 000000000003fdb4 R11: 0000000000000246 R12: 0000000000010945 R13: 00007ffd996a0f30 R14: 0000000000000032 R15: ffffffffffffffff INFO: task syz.0.15:5405 blocked for more than 143 seconds. Not tainted 6.11.0-next-20240927-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.15 state:D stack:26528 pid:5405 tgid:5404 ppid:5321 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 bdev_release+0x17e/0x700 block/bdev.c:1087 blkdev_release+0x15/0x20 block/fops.c:639 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb4fd7dff9 RSP: 002b:00007fdb50b75038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fdb4ff35f80 RCX: 00007fdb4fd7dff9 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 RBP: 00007fdb4fdf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdb4ff35f80 R15: 00007ffd996a0cc8 Showing all locks held in the system: 3 locks held by kworker/0:0/8: #0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc900000d7d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc900000d7d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 1 lock held by khungtaskd/30: #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720 5 locks held by kworker/u8:6/964: #0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc90003a1fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90003a1fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcc6810 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580 #3: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: cleanup_net+0x6af/0xcc0 net/core/net_namespace.c:616 #4: ffffffff8e93d378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #4: ffffffff8e93d378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:976 2 locks held by dhcpcd/4900: #0: ffffffff8fcb7e28 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x661/0x8e0 net/socket.c:1309 #1: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553 2 locks held by getty/4982: #0: ffff88814cd000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by udevd/5330: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.15/5404: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x17e/0x700 block/bdev.c:1087 1 lock held by syz.0.15/5405: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x17e/0x700 block/bdev.c:1087 1 lock held by syz.0.16/5421: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.16/5422: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.17/5439: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.17/5441: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.18/5461: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.18/5462: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.19/5478: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.19/5479: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.20/5495: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.20/5496: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.21/5512: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.21/5513: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.22/5529: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 1 lock held by syz.0.22/5530: #0: ffff8880253594c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xf0/0xc50 block/bdev.c:904 7 locks held by syz-executor/6002: #0: ffff8880328c0420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2949 [inline] #0: ffff8880328c0420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 fs/read_write.c:679 #1: ffff88806f8be088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325 #2: ffff888026e800f8 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326 #3: ffffffff8f571388 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88802e5560e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293 #5: ffff888079b36250 (&devlink->lock_key#19){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672 #6: ffffffff8fcd3308 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2941 Comm: kworker/u8:10 Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:instrument_atomic_read include/linux/instrumented.h:68 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4851 [inline] RIP: 0010:__lock_acquire+0x886/0x2050 kernel/locking/lockdep.c:5152 Code: f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 4d 01 00 00 41 8b 5d 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 b8 2c 94 08 00 00 00 e8 a0 4c 8e 00 48 0f a3 1d d8 6a bc 12 73 1a 48 69 RSP: 0018:ffffc90009b8f710 EFLAGS: 00000006 RAX: 0000000000000003 RBX: 00000000000000c5 RCX: ffff88802e6ebc00 RDX: dffffc0000000000 RSI: ffff88802e6ec6e0 RDI: ffffffff942cb818 RBP: 00000000ffffffff R08: ffffffff942cb807 R09: 1ffffffff2859700 R10: dffffc0000000000 R11: fffffbfff2859701 R12: 0000000000000000 R13: ffff88802e6ec700 R14: 0000000000000000 R15: ffff88802e6ec700 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055713b7e2680 CR3: 000000000e734000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] ieee80211_sta_active_ibss+0xe4/0x330 net/mac80211/ibss.c:642 ieee80211_sta_merge_ibss net/mac80211/ibss.c:1280 [inline] ieee80211_ibss_work+0x8fe/0x14c0 net/mac80211/ibss.c:1671 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244