Extracting prog: 50m6.876239304s Minimizing prog: 51m39.098627108s Simplifying prog options: 0s Extracting C: 3m9.987931226s Simplifying C: 26m59.089199499s 8 programs, 3 VMs, timeouts [6m0s] extracting reproducer from 8 programs single: executing 2 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}}): setsockopt-semget detailed listing: executing program 0: setsockopt(0xffffffffffffffff, 0x1000000000029, 0x16, &(0x7f0000000040)="03000000", 0x4) semget(0x1, 0x4, 0x2) 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}}): io_setup-sendmsg$nl_route-syz_io_uring_setup-socket$netlink-socket-sendmsg$BATADV_CMD_GET_MESH-getsockname$packet-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route-prctl$PR_SCHED_CORE-getpid-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-process_vm_readv-getpid-pivot_root-read-open$dir-ioctl$FS_IOC_SET_ENCRYPTION_POLICY-socket$nl_audit-sendmsg$AUDIT_SIGNAL_INFO-chdir-add_key$fscrypt_v1-syz_mount_image$vfat-mkdir-mkdir detailed listing: executing program 0: io_setup(0xc225, &(0x7f00000000c0)) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) syz_io_uring_setup(0x0, 0x0, &(0x7f0000000100), 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$BATADV_CMD_GET_MESH(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0, 0x32}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000280)=0x6b) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="3800000010000507000000000004000000000000", @ANYRES32=r2, @ANYBLOB="03000016010000001800120008000100736974000c0002000800030036"], 0x38}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000c80)=@newlink={0x40, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0xe403, r3, 0x0, 0x610d2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast2}, @IFLA_IPTUN_FWMARK={0x8, 0x14, 0x2}]}}}]}, 0x40}}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r4 = getpid() r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x11, 0xc, &(0x7f0000000800)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d0000001801000020696c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000007000000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000004c0)={&(0x7f0000000140)='tlb_flush\x00', r5}, 0xfffffffffffffebf) process_vm_readv(r4, &(0x7f0000008400)=[{&(0x7f0000000300)=""/54, 0x7ffff000}, {&(0x7f0000006180)=""/152, 0x98}], 0x2, &(0x7f0000008640)=[{&(0x7f0000008480)=""/95, 0x7ffff000}], 0x286, 0x0) getpid() pivot_root(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='./file0\x00') read(0xffffffffffffffff, 0x0, 0x0) r6 = open$dir(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r6, 0x800c6613, &(0x7f0000000080)=@v1={0x0, @aes128, 0x3, @desc3}) r7 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_SIGNAL_INFO(r7, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x800) chdir(&(0x7f0000000000)='./file0\x00') add_key$fscrypt_v1(&(0x7f00000000c0), &(0x7f0000000240)={'fscrypt:', @desc3}, &(0x7f00000002c0)={0x0, "615a091a55a8c9a640115d99d981b3886420589c6695d4982a83b71b906769e737201ac6b7a7804454156569cb03a5be811debc957b5831b89b59d703e748c7c", 0x25}, 0x48, 0xfffffffffffffffd) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xc3464, 0x0, 0x0, 0x0, &(0x7f0000000000)) mkdir(&(0x7f0000000400)='./file1\x00', 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 8 programs with base timeout 6m0s testing program (duration=6m2s, {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}}): [4, 26, 2, 4, 3, 18, 27, 2] detailed listing: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) executing program 2: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@bloom_filter={0x1e, 0x7fffffff, 0x4, 0x6, 0x24, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x4, 0x9}, 0x48) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@bloom_filter={0x1e, 0x82ef, 0x9, 0x9, 0x200, 0x1, 0x8, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x1, 0xf}, 0x48) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) sendto$isdn(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYRESOCT=0x0], 0xbf, 0x4000, &(0x7f0000000280)={0x22, 0x48, 0x3, 0xd3, 0x70}, 0x6) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4) socket$nl_generic(0x10, 0x3, 0x10) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000680)={0xff}, 0x0, 0x0) shutdown(r2, 0x1) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e24, @multicast2}, 0x10) sendmmsg(r2, &(0x7f0000003a80)=[{{&(0x7f00000000c0)=@in={0x2, 0x4e24, @loopback}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000240)='7', 0x1}], 0x1}}], 0x1, 0x2c000011) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000bc0)={&(0x7f0000000a80)='kfree\x00'}, 0x10) sendmsg$inet(r1, &(0x7f0000000780)={&(0x7f0000000100)={0x2, 0x0, @multicast1}, 0x10, 0x0}, 0x0) r3 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f0000000140)={0x0, "13f20afd86c17f9dfa507069d57c6684154bc7ec29052b9ec48e707a4f251dd9"}) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2500000000000000007b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) r4 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r4}, 0x10) executing program 2: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) utimensat(0xffffffffffffffff, 0x0, &(0x7f0000000340), 0x0) executing program 2: r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x0) shmctl$IPC_RMID(r0, 0x0) executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, 0x0, 0x0) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2}, 0x10) executing program 2: creat(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$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) write$FUSE_INIT(0xffffffffffffffff, 0x0, 0x0) sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0) bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040), 0xe) mkdir(&(0x7f0000000000)='./cgroup/../file0\x00', 0x0) openat$cgroup_type(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) rmdir(&(0x7f0000000700)='./cgroup/../file0\x00') dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, 0x0, 0x0) executing program 4: io_setup(0xc225, &(0x7f00000000c0)) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) syz_io_uring_setup(0x0, 0x0, &(0x7f0000000100), 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$BATADV_CMD_GET_MESH(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0, 0x32}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000280)=0x6b) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="3800000010000507000000000004000000000000", @ANYRES32=r2, @ANYBLOB="03000016010000001800120008000100736974000c0002000800030036"], 0x38}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000c80)=@newlink={0x40, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0xe403, r3, 0x0, 0x610d2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast2}, @IFLA_IPTUN_FWMARK={0x8, 0x14, 0x2}]}}}]}, 0x40}}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r4 = getpid() r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x11, 0xc, &(0x7f0000000800)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d0000001801000020696c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000007000000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000004c0)={&(0x7f0000000140)='tlb_flush\x00', r5}, 0xfffffffffffffebf) process_vm_readv(r4, &(0x7f0000008400)=[{&(0x7f0000000300)=""/54, 0x7ffff000}, {&(0x7f0000006180)=""/152, 0x98}], 0x2, &(0x7f0000008640)=[{&(0x7f0000008480)=""/95, 0x7ffff000}], 0x286, 0x0) getpid() pivot_root(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='./file0\x00') read(0xffffffffffffffff, 0x0, 0x0) r6 = open$dir(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r6, 0x800c6613, &(0x7f0000000080)=@v1={0x0, @aes128, 0x3, @desc3}) r7 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_SIGNAL_INFO(r7, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x800) chdir(&(0x7f0000000000)='./file0\x00') add_key$fscrypt_v1(&(0x7f00000000c0), &(0x7f0000000240)={'fscrypt:', @desc3}, &(0x7f00000002c0)={0x0, "615a091a55a8c9a640115d99d981b3886420589c6695d4982a83b71b906769e737201ac6b7a7804454156569cb03a5be811debc957b5831b89b59d703e748c7c", 0x25}, 0x48, 0xfffffffffffffffd) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xc3464, 0x0, 0x0, 0x0, &(0x7f0000000000)) mkdir(&(0x7f0000000400)='./file1\x00', 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) executing program 2: setsockopt(0xffffffffffffffff, 0x1000000000029, 0x16, &(0x7f0000000040)="03000000", 0x4) semget(0x1, 0x4, 0x2) program crashed: INFO: task hung in netdev_run_todo bisect: bisecting 8 programs bisect: split chunks (needed=false): <8> bisect: split chunk #0 of len 8 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=6m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 3, 18, 27, 2] detailed listing: executing program 2: r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x0) shmctl$IPC_RMID(r0, 0x0) executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x3, 0x0, 0x0) connect$inet(r0, &(0x7f0000000140)={0x10, 0x2}, 0x10) executing program 2: creat(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) write$FUSE_INIT(0xffffffffffffffff, 0x0, 0x0) sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0) bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040), 0xe) mkdir(&(0x7f0000000000)='./cgroup/../file0\x00', 0x0) openat$cgroup_type(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) rmdir(&(0x7f0000000700)='./cgroup/../file0\x00') dup(0xffffffffffffffff) write$6lowpan_enable(0xffffffffffffffff, 0x0, 0x0) executing program 4: io_setup(0xc225, &(0x7f00000000c0)) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) syz_io_uring_setup(0x0, 0x0, &(0x7f0000000100), 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$BATADV_CMD_GET_MESH(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0, 0x32}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000280)=0x6b) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="3800000010000507000000000004000000000000", @ANYRES32=r2, @ANYBLOB="03000016010000001800120008000100736974000c0002000800030036"], 0x38}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000c80)=@newlink={0x40, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0xe403, r3, 0x0, 0x610d2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast2}, @IFLA_IPTUN_FWMARK={0x8, 0x14, 0x2}]}}}]}, 0x40}}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r4 = getpid() r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x11, 0xc, &(0x7f0000000800)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d0000001801000020696c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000007000000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000004c0)={&(0x7f0000000140)='tlb_flush\x00', r5}, 0xfffffffffffffebf) process_vm_readv(r4, &(0x7f0000008400)=[{&(0x7f0000000300)=""/54, 0x7ffff000}, {&(0x7f0000006180)=""/152, 0x98}], 0x2, &(0x7f0000008640)=[{&(0x7f0000008480)=""/95, 0x7ffff000}], 0x286, 0x0) getpid() pivot_root(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='./file0\x00') read(0xffffffffffffffff, 0x0, 0x0) r6 = open$dir(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r6, 0x800c6613, &(0x7f0000000080)=@v1={0x0, @aes128, 0x3, @desc3}) r7 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_SIGNAL_INFO(r7, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x800) chdir(&(0x7f0000000000)='./file0\x00') add_key$fscrypt_v1(&(0x7f00000000c0), &(0x7f0000000240)={'fscrypt:', @desc3}, &(0x7f00000002c0)={0x0, "615a091a55a8c9a640115d99d981b3886420589c6695d4982a83b71b906769e737201ac6b7a7804454156569cb03a5be811debc957b5831b89b59d703e748c7c", 0x25}, 0x48, 0xfffffffffffffffd) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xc3464, 0x0, 0x0, 0x0, &(0x7f0000000000)) mkdir(&(0x7f0000000400)='./file1\x00', 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) executing program 2: setsockopt(0xffffffffffffffff, 0x1000000000029, 0x16, &(0x7f0000000040)="03000000", 0x4) semget(0x1, 0x4, 0x2) program did not crash bisect: testing without sub-chunk 2/3 testing program (duration=6m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 26, 2, 27, 2] detailed listing: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) executing program 2: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@bloom_filter={0x1e, 0x7fffffff, 0x4, 0x6, 0x24, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x4, 0x9}, 0x48) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@bloom_filter={0x1e, 0x82ef, 0x9, 0x9, 0x200, 0x1, 0x8, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x1, 0xf}, 0x48) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) sendto$isdn(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYRESOCT=0x0], 0xbf, 0x4000, &(0x7f0000000280)={0x22, 0x48, 0x3, 0xd3, 0x70}, 0x6) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4) socket$nl_generic(0x10, 0x3, 0x10) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000680)={0xff}, 0x0, 0x0) shutdown(r2, 0x1) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e24, @multicast2}, 0x10) sendmmsg(r2, &(0x7f0000003a80)=[{{&(0x7f00000000c0)=@in={0x2, 0x4e24, @loopback}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000240)='7', 0x1}], 0x1}}], 0x1, 0x2c000011) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000bc0)={&(0x7f0000000a80)='kfree\x00'}, 0x10) sendmsg$inet(r1, &(0x7f0000000780)={&(0x7f0000000100)={0x2, 0x0, @multicast1}, 0x10, 0x0}, 0x0) r3 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f0000000140)={0x0, "13f20afd86c17f9dfa507069d57c6684154bc7ec29052b9ec48e707a4f251dd9"}) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2500000000000000007b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) r4 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r4}, 0x10) executing program 2: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) utimensat(0xffffffffffffffff, 0x0, &(0x7f0000000340), 0x0) executing program 4: io_setup(0xc225, &(0x7f00000000c0)) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) syz_io_uring_setup(0x0, 0x0, &(0x7f0000000100), 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$BATADV_CMD_GET_MESH(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0, 0x32}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) getsockname$packet(r1, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000280)=0x6b) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="3800000010000507000000000004000000000000", @ANYRES32=r2, @ANYBLOB="03000016010000001800120008000100736974000c0002000800030036"], 0x38}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000c80)=@newlink={0x40, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0xe403, r3, 0x0, 0x610d2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast2}, @IFLA_IPTUN_FWMARK={0x8, 0x14, 0x2}]}}}]}, 0x40}}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r4 = getpid() r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000880)={0x11, 0xc, &(0x7f0000000800)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d0000001801000020696c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000007000000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000004c0)={&(0x7f0000000140)='tlb_flush\x00', r5}, 0xfffffffffffffebf) process_vm_readv(r4, &(0x7f0000008400)=[{&(0x7f0000000300)=""/54, 0x7ffff000}, {&(0x7f0000006180)=""/152, 0x98}], 0x2, &(0x7f0000008640)=[{&(0x7f0000008480)=""/95, 0x7ffff000}], 0x286, 0x0) getpid() pivot_root(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='./file0\x00') read(0xffffffffffffffff, 0x0, 0x0) r6 = open$dir(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r6, 0x800c6613, &(0x7f0000000080)=@v1={0x0, @aes128, 0x3, @desc3}) r7 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_SIGNAL_INFO(r7, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x800) chdir(&(0x7f0000000000)='./file0\x00') add_key$fscrypt_v1(&(0x7f00000000c0), &(0x7f0000000240)={'fscrypt:', @desc3}, &(0x7f00000002c0)={0x0, "615a091a55a8c9a640115d99d981b3886420589c6695d4982a83b71b906769e737201ac6b7a7804454156569cb03a5be811debc957b5831b89b59d703e748c7c", 0x25}, 0x48, 0xfffffffffffffffd) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xc3464, 0x0, 0x0, 0x0, &(0x7f0000000000)) mkdir(&(0x7f0000000400)='./file1\x00', 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) executing program 2: setsockopt(0xffffffffffffffff, 0x1000000000029, 0x16, &(0x7f0000000040)="03000000", 0x4) semget(0x1, 0x4, 0x2) program crashed: INFO: task hung in cangw_pernet_exit bisect: the chunk can be dropped bisect: testing without sub-chunk 3/3 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 26, 2] detailed listing: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) executing program 2: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@bloom_filter={0x1e, 0x7fffffff, 0x4, 0x6, 0x24, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x4, 0x9}, 0x48) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@bloom_filter={0x1e, 0x82ef, 0x9, 0x9, 0x200, 0x1, 0x8, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x1, 0xf}, 0x48) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) sendto$isdn(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYRESOCT=0x0], 0xbf, 0x4000, &(0x7f0000000280)={0x22, 0x48, 0x3, 0xd3, 0x70}, 0x6) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4) socket$nl_generic(0x10, 0x3, 0x10) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000680)={0xff}, 0x0, 0x0) shutdown(r2, 0x1) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e24, @multicast2}, 0x10) sendmmsg(r2, &(0x7f0000003a80)=[{{&(0x7f00000000c0)=@in={0x2, 0x4e24, @loopback}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000240)='7', 0x1}], 0x1}}], 0x1, 0x2c000011) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000bc0)={&(0x7f0000000a80)='kfree\x00'}, 0x10) sendmsg$inet(r1, &(0x7f0000000780)={&(0x7f0000000100)={0x2, 0x0, @multicast1}, 0x10, 0x0}, 0x0) r3 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f0000000140)={0x0, "13f20afd86c17f9dfa507069d57c6684154bc7ec29052b9ec48e707a4f251dd9"}) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2500000000000000007b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) r4 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r4}, 0x10) executing program 2: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) utimensat(0xffffffffffffffff, 0x0, &(0x7f0000000340), 0x0) program crashed: INFO: task hung in addrconf_dad_work bisect: the chunk can be dropped bisect: split chunks (needed=true): <3> bisect: split chunk #0 of len 3 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-utimensat detailed listing: executing program 2: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) utimensat(0xffffffffffffffff, 0x0, &(0x7f0000000340), 0x0) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 26] detailed listing: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) executing program 2: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@bloom_filter={0x1e, 0x7fffffff, 0x4, 0x6, 0x24, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x4, 0x9}, 0x48) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@bloom_filter={0x1e, 0x82ef, 0x9, 0x9, 0x200, 0x1, 0x8, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x1, 0xf}, 0x48) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) sendto$isdn(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYRESOCT=0x0], 0xbf, 0x4000, &(0x7f0000000280)={0x22, 0x48, 0x3, 0xd3, 0x70}, 0x6) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4) socket$nl_generic(0x10, 0x3, 0x10) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000680)={0xff}, 0x0, 0x0) shutdown(r2, 0x1) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e24, @multicast2}, 0x10) sendmmsg(r2, &(0x7f0000003a80)=[{{&(0x7f00000000c0)=@in={0x2, 0x4e24, @loopback}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000240)='7', 0x1}], 0x1}}], 0x1, 0x2c000011) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000bc0)={&(0x7f0000000a80)='kfree\x00'}, 0x10) sendmsg$inet(r1, &(0x7f0000000780)={&(0x7f0000000100)={0x2, 0x0, @multicast1}, 0x10, 0x0}, 0x0) r3 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f0000000140)={0x0, "13f20afd86c17f9dfa507069d57c6684154bc7ec29052b9ec48e707a4f251dd9"}) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2500000000000000007b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) r4 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r4}, 0x10) program crashed: INFO: task hung in netdev_run_todo bisect: the chunk can be dropped bisect: split chunks (needed=true): <2> bisect: split chunk #0 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setaffinity-syz_open_dev$MSR-read$msr-prctl$PR_SCHED_CORE-connect$inet6-socket$nl_generic-bpf$MAP_CREATE-socket$inet_icmp_raw-bpf$MAP_CREATE-socket$inet_mptcp-sendto$isdn-setsockopt$inet_tcp_int-socket$nl_generic-openat$vnet-socket$packet-pselect6-shutdown-bind$inet-sendmmsg-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$inet-syz_open_dev$radio-ioctl$VIDIOC_G_TUNER-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 2: sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@bloom_filter={0x1e, 0x7fffffff, 0x4, 0x6, 0x24, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x4, 0x9}, 0x48) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@bloom_filter={0x1e, 0x82ef, 0x9, 0x9, 0x200, 0x1, 0x8, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x1, 0xf}, 0x48) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) sendto$isdn(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYRESOCT=0x0], 0xbf, 0x4000, &(0x7f0000000280)={0x22, 0x48, 0x3, 0xd3, 0x70}, 0x6) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000000000)=0x1, 0x4) socket$nl_generic(0x10, 0x3, 0x10) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000680)={0xff}, 0x0, 0x0) shutdown(r2, 0x1) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e24, @multicast2}, 0x10) sendmmsg(r2, &(0x7f0000003a80)=[{{&(0x7f00000000c0)=@in={0x2, 0x4e24, @loopback}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000240)='7', 0x1}], 0x1}}], 0x1, 0x2c000011) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000bc0)={&(0x7f0000000a80)='kfree\x00'}, 0x10) sendmsg$inet(r1, &(0x7f0000000780)={&(0x7f0000000100)={0x2, 0x0, @multicast1}, 0x10, 0x0}, 0x0) r3 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f0000000140)={0x0, "13f20afd86c17f9dfa507069d57c6684154bc7ec29052b9ec48e707a4f251dd9"}) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2500000000000000007b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) r4 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r4}, 0x10) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-syz_mount_image$vfat-socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program crashed: INFO: task hung in __netlink_dump_start bisect: the chunk can be dropped bisect: split chunks (needed=true): <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 1 programs left: executing program 4: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) bisect: trying to concatenate bisect: concatenate 1 entries testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-syz_mount_image$vfat-socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program crashed: INFO: task hung in linkwatch_event bisect: concatenation succeeded found reproducer with 4 syscalls minimizing guilty program testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-syz_mount_image$vfat-socket$nl_route detailed listing: executing program 0: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) socket$nl_route(0x10, 0x3, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-syz_mount_image$vfat-sendmsg$nl_route_sched detailed listing: executing program 0: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$vfat(0x0, &(0x7f0000000100)='./file0\x00', 0xd3464, 0x0, 0x1, 0x0, &(0x7f0000000000)) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program crashed: INFO: task hung in ieee80211_unregister_hw testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) program crashed: INFO: task hung in cangw_pernet_exit testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, 0x0, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in rtnetlink_rcv_msg simplifying C reproducer testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_dad_work testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_dad_work testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in __netlink_dump_start testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_verify_work testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_verify_work testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_verify_work testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route_sched program crashed: INFO: task hung in addrconf_verify_work reproducing took 2h11m55.052011427s repro crashed as (corrupted=false): INFO: task kworker/1:0:21 blocked for more than 143 seconds. Not tainted 5.15.160-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23672 pid: 21 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_verify_work Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4656 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Showing all locks held in the system: 3 locks held by kworker/1:0/21: #0: ffff88814aa90938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90000db7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4656 1 lock held by khungtaskd/27: #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3259: #0: ffff888024b67098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158 1 lock held by syz-executor479/3528: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xe72/0xeb0 kernel/hung_task.c:295 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3528 Comm: syz-executor479 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_preemption_disabled+0x20/0x110 lib/smp_processor_id.c:16 Code: 8a 48 c7 c6 a0 f6 d8 8a eb 00 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d c8 13 e4 75 <65> 8b 05 31 6e e4 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 RSP: 0018:ffffc90003206520 EFLAGS: 00000082 RAX: e079a1c0e37e7400 RBX: 0000000000000001 RCX: ffff888020ee1dc0 RDX: 0000000000000000 RSI: ffffffff8a8b3780 RDI: ffffffff8ad8f6c0 RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffc90003206780 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246 R13: ffff888020ee1dc0 R14: 00000000ffffffff R15: ffffffff8c91fa60 FS: 00005555565b0380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565b0ca8 CR3: 0000000070f0a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline] lock_is_held_type+0x76/0x180 kernel/locking/lockdep.c:5665 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0xf1/0x6a0 kernel/sched/core.c:9592 __mutex_lock_common+0xd4/0x25a0 kernel/locking/mutex.c:573 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 tcf_idr_check_alloc+0xa1/0x380 net/sched/act_api.c:568 tcf_police_init+0x294/0x17c0 net/sched/act_police.c:84 tcf_action_init_1+0x50f/0x7f0 net/sched/act_api.c:1051 tcf_action_init+0x2f3/0x750 net/sched/act_api.c:1110 tcf_action_add net/sched/act_api.c:1522 [inline] tc_ctl_action+0x49b/0xd00 net/sched/act_api.c:1581 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5629 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485 __sys_sendmsg net/socket.c:2514 [inline] __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f022be23df9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffca0c314c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022be23df9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.820 msecs final repro crashed as (corrupted=false): INFO: task kworker/1:0:21 blocked for more than 143 seconds. Not tainted 5.15.160-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23672 pid: 21 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_verify_work Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4656 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Showing all locks held in the system: 3 locks held by kworker/1:0/21: #0: ffff88814aa90938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90000db7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4656 1 lock held by khungtaskd/27: #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3259: #0: ffff888024b67098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158 1 lock held by syz-executor479/3528: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xe72/0xeb0 kernel/hung_task.c:295 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3528 Comm: syz-executor479 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_preemption_disabled+0x20/0x110 lib/smp_processor_id.c:16 Code: 8a 48 c7 c6 a0 f6 d8 8a eb 00 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d c8 13 e4 75 <65> 8b 05 31 6e e4 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 RSP: 0018:ffffc90003206520 EFLAGS: 00000082 RAX: e079a1c0e37e7400 RBX: 0000000000000001 RCX: ffff888020ee1dc0 RDX: 0000000000000000 RSI: ffffffff8a8b3780 RDI: ffffffff8ad8f6c0 RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffc90003206780 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246 R13: ffff888020ee1dc0 R14: 00000000ffffffff R15: ffffffff8c91fa60 FS: 00005555565b0380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565b0ca8 CR3: 0000000070f0a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline] lock_is_held_type+0x76/0x180 kernel/locking/lockdep.c:5665 lock_is_held include/linux/lockdep.h:287 [inline] ___might_sleep+0xf1/0x6a0 kernel/sched/core.c:9592 __mutex_lock_common+0xd4/0x25a0 kernel/locking/mutex.c:573 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 tcf_idr_check_alloc+0xa1/0x380 net/sched/act_api.c:568 tcf_police_init+0x294/0x17c0 net/sched/act_police.c:84 tcf_action_init_1+0x50f/0x7f0 net/sched/act_api.c:1051 tcf_action_init+0x2f3/0x750 net/sched/act_api.c:1110 tcf_action_add net/sched/act_api.c:1522 [inline] tc_ctl_action+0x49b/0xd00 net/sched/act_api.c:1581 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5629 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485 __sys_sendmsg net/socket.c:2514 [inline] __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f022be23df9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffca0c314c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022be23df9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.820 msecs