Extracting prog: 5m24.575205473s Minimizing prog: 1h38m43.835415972s Simplifying prog options: 8m7.369780705s Extracting C: 2m51.051792767s Simplifying C: 0s 1 programs, timeouts [30s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 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-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 0x0) program crashed: INFO: task hung in del_device_store single: successfully extracted reproducer found reproducer with 7 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) socket$netlink(0x10, 0x3, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) 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-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) socket$packet(0x11, 0x3, 0x300) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r2}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r2}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r2}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, 0x0, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, 0x0, &(0x7f00000000c0)) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, 0x0, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 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}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 0x0) program crashed: BUG: workqueue lockup a never seen crash title: BUG: workqueue lockup, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-getsockname$packet-socket$netlink-socket$packet-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0, 0x32}}, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xd}]}, 0x28}}, 0x0) program did not crash reproducing took 1h55m6.832207189s repro crashed as (corrupted=false): INFO: task syz-executor:6521 blocked for more than 145 seconds. Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6521 tgid:6521 ppid:1 flags:0x00000001 Call trace: __switch_to+0x420/0x6dc arch/arm64/kernel/process.c:603 context_switch kernel/sched/core.c:5188 [inline] __schedule+0x13d4/0x2418 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6621 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6678 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 bus_attr_store+0x80/0xa4 drivers/base/bus.c:170 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:334 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x940/0xc80 fs/read_write.c:590 ksys_write+0x15c/0x26c fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:652 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 4 locks held by kworker/u8:1/13: #0: ffff0000c1869948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000975d7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff80009242b950 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594 #3: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by khungtaskd/31: #0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:325 3 locks held by kworker/u8:3/44: #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff800097cc7c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by kswapd0/75: 3 locks held by kworker/u8:4/160: #0: ffff0000d1c51948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff80009b3b7c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 6 locks held by kworker/u8:8/2111: 3 locks held by kworker/u8:10/2160: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff80009fee7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by udevd/6027: 3 locks held by dhcpcd/6081: 2 locks held by getty/6164: #0: ffff0000d24950a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b50e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 1 lock held by syz-execprog/6428: 1 lock held by syz-executor/6411: 4 locks held by udevd/6427: 3 locks held by kworker/0:3/6437: #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000a4b37c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by udevd/6458: 2 locks held by kworker/0:4/6510: 4 locks held by syz-executor/6521: #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2882 [inline] #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc80 fs/read_write.c:586 #1: ffff0000d6d87088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cb5df878 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091592148 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 7 locks held by syz-executor/6523: #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2882 [inline] #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc80 fs/read_write.c:586 #1: ffff0000d52f5488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cb5df878 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091592148 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1094 [inline] #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x698 drivers/base/dd.c:1292 #5: ffff0000d0080250 (&devlink->lock_key){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/core.c:276 #6: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 6 locks held by kworker/1:3/6563: 1 lock held by syz-executor/6764: #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644 3 locks held by syz-executor/6770: 3 locks held by syz-executor/6771: 4 locks held by syz-executor/6777: 2 locks held by kworker/u8:13/6778: 2 locks held by syz-executor/6780: ============================================= final repro crashed as (corrupted=false): INFO: task syz-executor:6521 blocked for more than 145 seconds. Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6521 tgid:6521 ppid:1 flags:0x00000001 Call trace: __switch_to+0x420/0x6dc arch/arm64/kernel/process.c:603 context_switch kernel/sched/core.c:5188 [inline] __schedule+0x13d4/0x2418 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6621 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6678 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 bus_attr_store+0x80/0xa4 drivers/base/bus.c:170 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:334 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x940/0xc80 fs/read_write.c:590 ksys_write+0x15c/0x26c fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:652 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 4 locks held by kworker/u8:1/13: #0: ffff0000c1869948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000975d7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff80009242b950 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594 #3: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by khungtaskd/31: #0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:325 3 locks held by kworker/u8:3/44: #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff800097cc7c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by kswapd0/75: 3 locks held by kworker/u8:4/160: #0: ffff0000d1c51948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff80009b3b7c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 6 locks held by kworker/u8:8/2111: 3 locks held by kworker/u8:10/2160: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff80009fee7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by udevd/6027: 3 locks held by dhcpcd/6081: 2 locks held by getty/6164: #0: ffff0000d24950a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b50e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 1 lock held by syz-execprog/6428: 1 lock held by syz-executor/6411: 4 locks held by udevd/6427: 3 locks held by kworker/0:3/6437: #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000a4b37c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by udevd/6458: 2 locks held by kworker/0:4/6510: 4 locks held by syz-executor/6521: #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2882 [inline] #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc80 fs/read_write.c:586 #1: ffff0000d6d87088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cb5df878 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091592148 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 7 locks held by syz-executor/6523: #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2882 [inline] #0: ffff0000d815e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc80 fs/read_write.c:586 #1: ffff0000d52f5488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cb5df878 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091592148 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1094 [inline] #4: ffff0000d06570e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x698 drivers/base/dd.c:1292 #5: ffff0000d0080250 (&devlink->lock_key){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/core.c:276 #6: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 6 locks held by kworker/1:3/6563: 1 lock held by syz-executor/6764: #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644 3 locks held by syz-executor/6770: 3 locks held by syz-executor/6771: 4 locks held by syz-executor/6777: 2 locks held by kworker/u8:13/6778: 2 locks held by syz-executor/6780: =============================================