Extracting prog: 15m27.529994176s Minimizing prog: 33m18.498888774s Simplifying prog options: 0s Extracting C: 3m43.51784321s Simplifying C: 48m25.430568089s extracting reproducer from 44 programs testing a last program of every proc single: executing 14 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}}): socket$inet6_udp-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mremap-bpf$MAP_CREATE-creat-ioctl$FS_IOC_SETFLAGS-ioctl$SIOCX25SFACILITIES-bpf$MAP_UPDATE_BATCH-setsockopt$IP6T_SO_SET_REPLACE-mount-syz_open_dev$vbi-ioctl$VIDIOC_S_INPUT-ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS-socket$inet-bind$inet-sendto$inet-sendto$inet-eventfd2-poll detailed listing: executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x11, 0x8, &(0x7f0000002a80)=ANY=[@ANYBLOB="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"/3590], &(0x7f0000000380)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x16, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000540)='rcu_utilization\x00', r1}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x6) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f0000000400)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil) r5 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x50) r6 = creat(&(0x7f0000000000)='./file0\x00', 0x10) ioctl$FS_IOC_SETFLAGS(r6, 0x40086602, &(0x7f00000010c0)=0x40) ioctl$SIOCX25SFACILITIES(r6, 0x89e3, &(0x7f0000000340)={0x2b, 0x101, 0x4, 0x8, 0x781, 0x81}) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000001880)={0x0, 0x0, &(0x7f0000000240), &(0x7f0000001780), 0x8, r5}, 0x38) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000000)=@raw={'raw\x00', 0x8000000, 0x3, 0x2d0, 0x0, 0xffffffff, 0xffffffff, 0x110, 0xffffffff, 0x200, 0xffffffff, 0xffffffff, 0x200, 0xffffffff, 0x3, 0x0, {[{{@ipv6={@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @mcast1, [], [], 'ip6tnl0\x00', 'nicvf0\x00', {}, {}, 0x3a}, 0x0, 0xa8, 0x110}, @unspec=@CT2={0x68, 'CT\x00', 0x2, {0x0, 0x0, 0x0, 0x0, '\x00', 'syz1\x00'}}}, {{@ipv6={@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @mcast1, [], [], 'veth1\x00', 'veth0_to_hsr\x00'}, 0x0, 0xa8, 0xf0}, @unspec=@CT0={0x48, 'CT\x00', 0x0, {0x0, 0x0, 0x0, 0x0, 'snmp\x00'}}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x386) mount(0x0, &(0x7f0000000800)='.\x00', &(0x7f0000000000)='cifs\x00', 0x0, &(0x7f00000006c0)='=\n\x9b\xa1Q\a\x00\n@\xf6\"2a\xd7\x1fch\x1a}#\x1f\xff\xff\xffIT\xe4\x8c&\xac\xe6:\xc5\xe8\xd9\"\x82\xd5\xeb\x90\xef1:\xba\xc3\xc3\xd3\xad\'\xc44\x17,,\x8dZz\x04\x17-#F\xc7<\xe6\xf5]%gC\x9e\xca\nR\xc3\xc8\x98\xd8\xc8\x9eZ\xa76\x9f\xc2=\xaa\xcet7\xb9\xbd\xd47\xe3\xc8@$8\v\x9f\xfd\xe1!\x11\x19Y\x06J\x8f\x80\xef9Tw8\x1b\xe2\xf3\x85\xd5}\xa5\xb7\xd5|\xd8ZE\x92\xb4\x18|\x14\xc8\x14\xab\xe3\xd2\xb8\xf9J\x13\xbc\xea\xccp;\xa5\xe8\r=\n\x9e\xfb\x17\"\xc4QJ\xdf\xa9\x02BQ\x11\b\xab\x14\xf7\x16\xde\xc3\x89\xc6d\xdd\x18\x01\xdd\xf3\xe2\xa5\xef\x02\x17T\x94\xb9\xd4v\xb1\xe3\xb7L\xe6>*\x11e\x18\xe7-\b\xe9\x87\x81,N\x1f\x94\xa4\xe5\xd6\xd4m\x92\xccg3jNvd\xd2O|c\xb3\xa0\xf2\xc6\\\x8a\'\xb3\x81S\x9b6\xf5\xb7\x93\v\xb0\aD\xb9\xf7>\xcf?\xea\xfb\xfc\xb9\x9d\xa5\xb5\xbc\xe2\xddUJN\xb2\xb7\x9c\xc3qk\x06\xdb\xd69\x8b\x00'/288) r7 = syz_open_dev$vbi(&(0x7f00000001c0), 0x0, 0x2) ioctl$VIDIOC_S_INPUT(r7, 0xc0045627, &(0x7f0000000100)=0x3) ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS(r7, 0xc0845657, &(0x7f0000000200)={0x0, @bt={0xa8f, 0x86c, 0x1, 0x1, 0xd59f80, 0x19f2, 0x3, 0x19ef, 0xfffffff7, 0x5, 0x2800, 0x6, 0x9, 0x4, 0xc, 0x11, {0x4, 0xffffffff}, 0xd0, 0x1}}) r8 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r8, &(0x7f0000000080)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r8, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r8, &(0x7f00000012c0)='\t', 0x1, 0x11, 0x0, 0x0) eventfd2(0x0, 0x0) poll(&(0x7f0000000480)=[{r5}, {r7, 0x4008}, {r7, 0x9}, {0xffffffffffffffff, 0x1080}, {0xffffffffffffffff, 0x480}], 0x5, 0x5) 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}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket$inet6_mptcp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-syz_open_dev$usbmon-openat$misdntimer-socket$rxrpc-ioctl$sock_SIOCGPGRP-socket$inet6_udplite-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ubi_ctrl-ioctl$FS_IOC_SETFLAGS-getsockopt$inet6_tcp_buf-getsockopt$inet6_mptcp_buf-syz_usb_connect-sendmsg$nl_xfrm-socket$nl_xfrm-bind$inet6 detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000005c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast2, @in6=@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x400, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x29}, {0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x2, 0xffffffffffffffff}, {0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0xb8}}, 0x4004) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000840)={0x18, 0x3, &(0x7f00000000c0)=ANY=[], &(0x7f0000000000)='GPL\x00', 0x2, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2b, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x37, @void, @value}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r2 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r2, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) openat$misdntimer(0xffffffffffffff9c, 0x0, 0xc00, 0x0) r5 = socket$rxrpc(0x21, 0x2, 0xa) ioctl$sock_SIOCGPGRP(r5, 0x8904, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x11, 0x3, &(0x7f0000000480)=@framed, &(0x7f00000003c0)='GPL\x00', 0x80, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000140)='itimer_expire\x00', r6}, 0x18) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x8400, 0x0) ioctl$FS_IOC_SETFLAGS(r7, 0x40186f40, &(0x7f0000000440)=0x1f) getsockopt$inet6_tcp_buf(r1, 0x6, 0xd, 0x0, 0x0) getsockopt$inet6_mptcp_buf(r1, 0x11c, 0x2, &(0x7f0000000100)=""/222, 0x0) syz_usb_connect(0x2, 0x3f, &(0x7f00000008c0)=ANY=[], 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x25dfdbfe, {{@in=@multicast1=0xe0000002, @in6=@remote, 0x4e21, 0x0, 0x0, 0x0, 0xa, 0x20}, {0x100000000000004, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x1000, 0x48}, {0x0, 0x0, 0xfffffffffbffffff, 0xfffffffffffffffe}}}, 0xb8}}, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) bind$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @empty}, 0x1c) 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_usb_connect-socket$inet_udp-ioctl$sock_ipv6_tunnel_SIOCADD6RD-socket$inet6_mptcp-setsockopt$inet6_tcp_TCP_ULP detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB="6a2005"], 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADD6RD(r0, 0x89f9, &(0x7f0000000300)={'sit0\x00', &(0x7f0000000180)={@remote, @private=0xa010100, 0x11, 0x1f}}) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000040), 0x4) program crashed: INFO: task hung in uevent_show single: successfully extracted reproducer found reproducer with 5 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_usb_connect-socket$inet_udp-ioctl$sock_ipv6_tunnel_SIOCADD6RD-socket$inet6_mptcp detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB="6a2005"], 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADD6RD(r0, 0x89f9, &(0x7f0000000300)={'sit0\x00', &(0x7f0000000180)={@remote, @private=0xa010100, 0x11, 0x1f}}) socket$inet6_mptcp(0xa, 0x1, 0x106) program crashed: INFO: task hung in synchronize_rcu 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_usb_connect-socket$inet_udp-ioctl$sock_ipv6_tunnel_SIOCADD6RD detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB="6a2005"], 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADD6RD(r0, 0x89f9, &(0x7f0000000300)={'sit0\x00', &(0x7f0000000180)={@remote, @private=0xa010100, 0x11, 0x1f}}) program crashed: INFO: task hung in linkwatch_event 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_usb_connect-socket$inet_udp detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB="6a2005"], 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: task hung in synchronize_rcu 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB="6a2005"], 0x0) program crashed: INFO: task hung in synchronize_rcu 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, 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}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000fdc01a40f30c74933bbc0000000109021b0001000000000904000001a7a00f00090582", @ANYBLOB], 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB, @ANYBLOB="6a2005"], 0x0) 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_usb_connect program crashed: INFO: task hung in synchronize_rcu simplifying C reproducer testing compiled C 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_usb_connect program crashed: INFO: task hung in synchronize_rcu testing compiled C program (duration=6m0s, {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}}): syz_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {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}}): syz_usb_connect program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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_usb_connect program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false 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_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: INFO: task hung in uevent_show testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: INFO: task hung in uevent_show reproducing took 1h40m54.977453439s repro crashed as (corrupted=false): INFO: task udevd:4278 blocked for more than 143 seconds. Not tainted 6.1.140-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:27360 pid:4278 ppid:3624 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10e9/0x40d0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6696 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x555/0xaf0 kernel/locking/mutex.c:747 device_lock include/linux/device.h:837 [inline] uevent_show+0x16c/0x320 drivers/base/core.c:2669 dev_attr_show+0x50/0xb0 drivers/base/core.c:2372 sysfs_kf_seq_show+0x349/0x4b0 fs/sysfs/file.c:59 seq_read_iter+0x49b/0xd50 fs/seq_file.c:230 call_read_iter include/linux/fs.h:2259 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x434/0x920 fs/read_write.c:470 ksys_read+0x143/0x240 fs/read_write.c:613 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1eb46a7407 RSP: 002b:00007ffcb8928f00 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f1eb4d85880 RCX: 00007f1eb46a7407 RDX: 0000000000001000 RSI: 0000558a545e09b0 RDI: 0000000000000008 RBP: 00007f1eb47efff0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a R13: 00007f1eb47efea0 R14: 0000000000000000 R15: 0000558a545e73e0 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8c92b4b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffffffff8c92bcd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 kernel/rcu/tasks.h:517 5 locks held by kworker/1:1/26: 1 lock held by khungtaskd/28: #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6513 2 locks held by getty/4015: #0: ffff88807dde0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41b/0x1380 drivers/tty/n_tty.c:2198 4 locks held by udevd/4278: #0: ffff888079c2cd58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xad/0xd50 fs/seq_file.c:182 #1: ffff88801af0a888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x51/0x3b0 fs/kernfs/file.c:154 #2: ffff888145e79a00 (kn->active#5){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x3b0 fs/kernfs/file.c:155 #3: ffff8881437c3190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff8881437c3190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x16c/0x320 drivers/base/core.c:2669 2 locks held by dhcpcd/4293: #0: ffff88801caac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88801caac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x830 kernel/rcu/tree_exp.h:962 2 locks held by dhcpcd/4295: #0: ffff88801cab0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88801cab0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x346/0x830 kernel/rcu/tree_exp.h:962 1 lock held by dhcpcd/4296: #0: ffff88802ab16130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88802ab16130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4297: #0: ffff8880247d6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff8880247d6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4309: #0: ffff888024ff6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff888024ff6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4310: #0: ffff888024ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff888024ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106 nmi_cpu_backtrace+0x3f4/0x470 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1d4/0x450 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xeee/0xf30 kernel/hung_task.c:377 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:pvclock_clocksource_read+0x46/0x760 arch/x86/kernel/pvclock.c:68 Code: 1c 4c 8d 57 10 4c 8d 5f 03 48 89 fa 48 c1 ea 03 4d 89 de 49 c1 ee 03 49 8d 48 07 4c 89 c0 48 c1 e8 03 48 89 84 24 90 00 00 00 <48> 89 4c 24 50 48 c1 e9 03 48 89 8c 24 88 00 00 00 49 8d 49 03 4c RSP: 0018:ffffc90000a1e480 EFLAGS: 00000a06 RAX: 1ffffffff1ef9a09 RBX: ffffc90000a1e5a0 RCX: ffffffff8f7cd04f RDX: 1ffffffff1ef9a08 RSI: ffffffff8f7cd05c RDI: ffffffff8f7cd040 RBP: ffffc90000a1e608 R08: ffffffff8f7cd048 R09: ffffffff8f7cd058 R10: ffffffff8f7cd050 R11: ffffffff8f7cd043 R12: 000000000000001a R13: dffffc0000000000 R14: 1ffffffff1ef9a08 R15: ffff88801c209988 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb52374ec40 CR3: 000000007874a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_clock_read arch/x86/kernel/kvmclock.c:79 [inline] kvm_sched_clock_read+0x14/0x40 arch/x86/kernel/kvmclock.c:91 sched_clock_cpu+0x6e/0x250 kernel/sched/clock.c:369 local_clock include/linux/sched/clock.h:84 [inline] __set_page_owner_handle+0x1a9/0x3c0 mm/page_owner.c:174 __set_page_owner+0x41/0x60 mm/page_owner.c:195 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2532 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328 __alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5606 alloc_slab_page+0x5d/0x160 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x87/0x2c0 mm/slub.c:1992 ___slab_alloc+0xbc6/0x1220 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x1a0/0x260 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:935 [inline] __kmalloc_node_track_caller+0x9e/0x230 mm/slab_common.c:956 kmalloc_reserve net/core/skbuff.c:446 [inline] __alloc_skb+0x22a/0x7e0 net/core/skbuff.c:515 __netdev_alloc_skb+0x107/0x4d0 net/core/skbuff.c:579 netdev_alloc_skb include/linux/skbuff.h:3206 [inline] dev_alloc_skb include/linux/skbuff.h:3219 [inline] ath6kl_usb_post_recv_transfers+0x207/0x6f0 drivers/net/wireless/ath/ath6kl/usb.c:428 ath6kl_usb_start_recv_pipes drivers/net/wireless/ath/ath6kl/usb.c:498 [inline] hif_start drivers/net/wireless/ath/ath6kl/usb.c:703 [inline] ath6kl_usb_power_on+0x66/0x280 drivers/net/wireless/ath/ath6kl/usb.c:1062 ath6kl_hif_power_on drivers/net/wireless/ath/ath6kl/hif-ops.h:136 [inline] ath6kl_core_init+0x1ce/0x10c0 drivers/net/wireless/ath/ath6kl/core.c:97 ath6kl_usb_probe+0x144a/0x1540 drivers/net/wireless/ath/ath6kl/usb.c:1168 usb_probe_interface+0x5a0/0xaf0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2aa/0xc70 drivers/base/dd.c:639 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:785 driver_probe_device+0x4f/0x420 drivers/base/dd.c:815 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429 __device_attach+0x29b/0x460 drivers/base/dd.c:1015 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3697 usb_set_configuration+0x1991/0x1fd0 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x139/0x270 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2aa/0xc70 drivers/base/dd.c:639 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:785 driver_probe_device+0x4f/0x420 drivers/base/dd.c:815 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429 __device_attach+0x29b/0x460 drivers/base/dd.c:1015 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3697 usb_new_device+0xd4d/0x1620 drivers/usb/core/hub.c:2631 hub_port_connect drivers/usb/core/hub.c:5489 [inline] hub_port_connect_change drivers/usb/core/hub.c:5629 [inline] port_event drivers/usb/core/hub.c:5785 [inline] hub_event+0x2b02/0x5210 drivers/usb/core/hub.c:5867 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.823 msecs final repro crashed as (corrupted=false): INFO: task udevd:4278 blocked for more than 143 seconds. Not tainted 6.1.140-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:27360 pid:4278 ppid:3624 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10e9/0x40d0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6696 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x555/0xaf0 kernel/locking/mutex.c:747 device_lock include/linux/device.h:837 [inline] uevent_show+0x16c/0x320 drivers/base/core.c:2669 dev_attr_show+0x50/0xb0 drivers/base/core.c:2372 sysfs_kf_seq_show+0x349/0x4b0 fs/sysfs/file.c:59 seq_read_iter+0x49b/0xd50 fs/seq_file.c:230 call_read_iter include/linux/fs.h:2259 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x434/0x920 fs/read_write.c:470 ksys_read+0x143/0x240 fs/read_write.c:613 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1eb46a7407 RSP: 002b:00007ffcb8928f00 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f1eb4d85880 RCX: 00007f1eb46a7407 RDX: 0000000000001000 RSI: 0000558a545e09b0 RDI: 0000000000000008 RBP: 00007f1eb47efff0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a R13: 00007f1eb47efea0 R14: 0000000000000000 R15: 0000558a545e73e0 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8c92b4b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffffffff8c92bcd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00 kernel/rcu/tasks.h:517 5 locks held by kworker/1:1/26: 1 lock held by khungtaskd/28: #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff8c92ab20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6513 2 locks held by getty/4015: #0: ffff88807dde0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41b/0x1380 drivers/tty/n_tty.c:2198 4 locks held by udevd/4278: #0: ffff888079c2cd58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xad/0xd50 fs/seq_file.c:182 #1: ffff88801af0a888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x51/0x3b0 fs/kernfs/file.c:154 #2: ffff888145e79a00 (kn->active#5){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x3b0 fs/kernfs/file.c:155 #3: ffff8881437c3190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff8881437c3190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x16c/0x320 drivers/base/core.c:2669 2 locks held by dhcpcd/4293: #0: ffff88801caac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88801caac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x830 kernel/rcu/tree_exp.h:962 2 locks held by dhcpcd/4295: #0: ffff88801cab0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88801cab0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #1: ffffffff8c9307f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x346/0x830 kernel/rcu/tree_exp.h:962 1 lock held by dhcpcd/4296: #0: ffff88802ab16130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff88802ab16130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4297: #0: ffff8880247d6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff8880247d6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4309: #0: ffff888024ff6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff888024ff6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 1 lock held by dhcpcd/4310: #0: ffff888024ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff888024ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xce0 net/packet/af_packet.c:3249 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106 nmi_cpu_backtrace+0x3f4/0x470 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1d4/0x450 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xeee/0xf30 kernel/hung_task.c:377 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:pvclock_clocksource_read+0x46/0x760 arch/x86/kernel/pvclock.c:68 Code: 1c 4c 8d 57 10 4c 8d 5f 03 48 89 fa 48 c1 ea 03 4d 89 de 49 c1 ee 03 49 8d 48 07 4c 89 c0 48 c1 e8 03 48 89 84 24 90 00 00 00 <48> 89 4c 24 50 48 c1 e9 03 48 89 8c 24 88 00 00 00 49 8d 49 03 4c RSP: 0018:ffffc90000a1e480 EFLAGS: 00000a06 RAX: 1ffffffff1ef9a09 RBX: ffffc90000a1e5a0 RCX: ffffffff8f7cd04f RDX: 1ffffffff1ef9a08 RSI: ffffffff8f7cd05c RDI: ffffffff8f7cd040 RBP: ffffc90000a1e608 R08: ffffffff8f7cd048 R09: ffffffff8f7cd058 R10: ffffffff8f7cd050 R11: ffffffff8f7cd043 R12: 000000000000001a R13: dffffc0000000000 R14: 1ffffffff1ef9a08 R15: ffff88801c209988 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb52374ec40 CR3: 000000007874a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_clock_read arch/x86/kernel/kvmclock.c:79 [inline] kvm_sched_clock_read+0x14/0x40 arch/x86/kernel/kvmclock.c:91 sched_clock_cpu+0x6e/0x250 kernel/sched/clock.c:369 local_clock include/linux/sched/clock.h:84 [inline] __set_page_owner_handle+0x1a9/0x3c0 mm/page_owner.c:174 __set_page_owner+0x41/0x60 mm/page_owner.c:195 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2532 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328 __alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5606 alloc_slab_page+0x5d/0x160 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x87/0x2c0 mm/slub.c:1992 ___slab_alloc+0xbc6/0x1220 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x1a0/0x260 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:935 [inline] __kmalloc_node_track_caller+0x9e/0x230 mm/slab_common.c:956 kmalloc_reserve net/core/skbuff.c:446 [inline] __alloc_skb+0x22a/0x7e0 net/core/skbuff.c:515 __netdev_alloc_skb+0x107/0x4d0 net/core/skbuff.c:579 netdev_alloc_skb include/linux/skbuff.h:3206 [inline] dev_alloc_skb include/linux/skbuff.h:3219 [inline] ath6kl_usb_post_recv_transfers+0x207/0x6f0 drivers/net/wireless/ath/ath6kl/usb.c:428 ath6kl_usb_start_recv_pipes drivers/net/wireless/ath/ath6kl/usb.c:498 [inline] hif_start drivers/net/wireless/ath/ath6kl/usb.c:703 [inline] ath6kl_usb_power_on+0x66/0x280 drivers/net/wireless/ath/ath6kl/usb.c:1062 ath6kl_hif_power_on drivers/net/wireless/ath/ath6kl/hif-ops.h:136 [inline] ath6kl_core_init+0x1ce/0x10c0 drivers/net/wireless/ath/ath6kl/core.c:97 ath6kl_usb_probe+0x144a/0x1540 drivers/net/wireless/ath/ath6kl/usb.c:1168 usb_probe_interface+0x5a0/0xaf0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2aa/0xc70 drivers/base/dd.c:639 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:785 driver_probe_device+0x4f/0x420 drivers/base/dd.c:815 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429 __device_attach+0x29b/0x460 drivers/base/dd.c:1015 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3697 usb_set_configuration+0x1991/0x1fd0 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x139/0x270 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2aa/0xc70 drivers/base/dd.c:639 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:785 driver_probe_device+0x4f/0x420 drivers/base/dd.c:815 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:429 __device_attach+0x29b/0x460 drivers/base/dd.c:1015 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3697 usb_new_device+0xd4d/0x1620 drivers/usb/core/hub.c:2631 hub_port_connect drivers/usb/core/hub.c:5489 [inline] hub_port_connect_change drivers/usb/core/hub.c:5629 [inline] port_event drivers/usb/core/hub.c:5785 [inline] hub_event+0x2b02/0x5210 drivers/usb/core/hub.c:5867 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.823 msecs