Extracting prog: 7m2.142047366s Minimizing prog: 56m24.321336172s Simplifying prog options: 0s Extracting C: 2m42.318975335s Simplifying C: 40m0.203270085s 1 programs, timeouts [30s 1m40s 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:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 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:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program crashed: INFO: rcu detected stall in kswapd single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-syz_usb_connect detailed listing: executing program 0: socket$inet6(0xa, 0x1, 0x0) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, 0x0, 0x0) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0xac, &(0x7f0000000000)=@string={0xac, 0x3, "e2703f2284c1c936c3dacc4aa354594704be1796b49ad401b7c7f625d8eafe3453d2144b411b6399529790ba9c611da98f972ead233d266d4207a471802513a15e71ca5b8bd8e758fedf2c74dd40014f8d9041d94ce8525347fc88ec5943cdf75bbe0fca00826ca7f23e858b6fbf1180ed32f6620b934e3373c2e7e1450ed4c6715e4f06cc65f07fdd075a130df8e2e77cb11adb7f37a2597d880ae758e1b6a2310d3b7964a2fa4f99c9"}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x50, &(0x7f0000000000)={0x0, 0x0}, 0x10) (async) syz_usb_connect(0x6, 0x0, 0x0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x5, [{0x2, &(0x7f0000000000)=@string={0x2}}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}]}) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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: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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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: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}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in kswapd testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program crashed: INFO: rcu detected stall in corrupted a never seen crash title: INFO: rcu detected stall in corrupted, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$SO_ATTACH_FILTER-syz_usb_connect program did not crash reproducing took 1h46m8.985697073s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-0): P76/1:b..l rcu: (detected by 0, t=10502 jiffies, g=21325, q=180 ncpus=1) task:kswapd0 state:R running task stack:21424 pid:76 tgid:76 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6997 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lru_gen_shrink_node mm/vmscan.c:4957 [inline] RIP: 0010:shrink_node+0x36c0/0x3de0 mm/vmscan.c:5937 Code: 49 8d 9c 24 c8 f9 ff ff 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 03 6e 26 00 4c 8b 2b <49> 8d 84 24 10 fa ff ff 48 89 44 24 38 4c 89 ef e8 fb 88 fe ff 84 RSP: 0018:ffffc90000e477a0 EFLAGS: 00000246 RAX: 1ffff11002624000 RBX: ffff888013120000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: ffffc90000e47a50 R08: ffffffff81d81eb7 R09: 1ffffffff2858b00 R10: dffffc0000000000 R11: fffffbfff2858b01 R12: ffff888013120638 R13: ffff88804fab4000 R14: 0000000000000002 R15: 0000000000000000 kswapd_shrink_node mm/vmscan.c:6765 [inline] balance_pgdat mm/vmscan.c:6957 [inline] kswapd+0x1ca3/0x3700 mm/vmscan.c:7226 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g21325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=12782 rcu: rcu_preempt kthread starved for 10500 jiffies! g21325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:26352 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 5313 Comm: syz-executor407 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:xas_store+0xf9/0x1890 lib/xarray.c:847 Code: 83 e6 03 31 ff e8 07 6e d4 f5 48 89 d8 48 83 e0 03 74 1d e8 19 69 d4 f5 48 8b 44 24 60 48 83 c4 78 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 cc cc cc cc 48 89 df 48 85 db 48 89 5c 24 10 0f 84 af 00 00 RSP: 0018:ffffc9000b4e78f0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 1ffff9200169cf27 RCX: ffff88803c872440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff9200169cf27 R08: ffffffff8bc07289 R09: 0000000000000000 R10: ffffc9000b4e7940 R11: fffff5200169cf2b R12: dffffc0000000000 R13: 1ffff9200169cf20 R14: ffffc9000b4e7920 R15: ffffc9000b4e7938 FS: 00007f32942b66c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f329436f363 CR3: 000000001e2ca000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __xa_erase+0x135/0x220 lib/xarray.c:1511 sock_devmem_dontneed+0x37b/0x740 net/core/sock.c:1089 sk_setsockopt+0x73c/0x33b0 net/core/sock.c:1280 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2325 __sys_setsockopt+0x1a2/0x250 net/socket.c:2352 __do_sys_setsockopt net/socket.c:2361 [inline] __se_sys_setsockopt net/socket.c:2358 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2358 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f329430cf69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f32942b6238 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f32943941a8 RCX: 00007f329430cf69 RDX: 0000000000000050 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f32943941a0 R08: 0000000000000010 R09: 00007f32942b66c0 R10: 0000000020000000 R11: 0000000000000246 R12: 00007f32943941ac R13: 0000000000000016 R14: 00007ffc9990f2c0 R15: 00007ffc9990f3a8 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-0): P76/1:b..l rcu: (detected by 0, t=10502 jiffies, g=21325, q=180 ncpus=1) task:kswapd0 state:R running task stack:21424 pid:76 tgid:76 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6997 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lru_gen_shrink_node mm/vmscan.c:4957 [inline] RIP: 0010:shrink_node+0x36c0/0x3de0 mm/vmscan.c:5937 Code: 49 8d 9c 24 c8 f9 ff ff 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 03 6e 26 00 4c 8b 2b <49> 8d 84 24 10 fa ff ff 48 89 44 24 38 4c 89 ef e8 fb 88 fe ff 84 RSP: 0018:ffffc90000e477a0 EFLAGS: 00000246 RAX: 1ffff11002624000 RBX: ffff888013120000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: ffffc90000e47a50 R08: ffffffff81d81eb7 R09: 1ffffffff2858b00 R10: dffffc0000000000 R11: fffffbfff2858b01 R12: ffff888013120638 R13: ffff88804fab4000 R14: 0000000000000002 R15: 0000000000000000 kswapd_shrink_node mm/vmscan.c:6765 [inline] balance_pgdat mm/vmscan.c:6957 [inline] kswapd+0x1ca3/0x3700 mm/vmscan.c:7226 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g21325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=12782 rcu: rcu_preempt kthread starved for 10500 jiffies! g21325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:26352 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 5313 Comm: syz-executor407 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:xas_store+0xf9/0x1890 lib/xarray.c:847 Code: 83 e6 03 31 ff e8 07 6e d4 f5 48 89 d8 48 83 e0 03 74 1d e8 19 69 d4 f5 48 8b 44 24 60 48 83 c4 78 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 cc cc cc cc 48 89 df 48 85 db 48 89 5c 24 10 0f 84 af 00 00 RSP: 0018:ffffc9000b4e78f0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 1ffff9200169cf27 RCX: ffff88803c872440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff9200169cf27 R08: ffffffff8bc07289 R09: 0000000000000000 R10: ffffc9000b4e7940 R11: fffff5200169cf2b R12: dffffc0000000000 R13: 1ffff9200169cf20 R14: ffffc9000b4e7920 R15: ffffc9000b4e7938 FS: 00007f32942b66c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f329436f363 CR3: 000000001e2ca000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __xa_erase+0x135/0x220 lib/xarray.c:1511 sock_devmem_dontneed+0x37b/0x740 net/core/sock.c:1089 sk_setsockopt+0x73c/0x33b0 net/core/sock.c:1280 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2325 __sys_setsockopt+0x1a2/0x250 net/socket.c:2352 __do_sys_setsockopt net/socket.c:2361 [inline] __se_sys_setsockopt net/socket.c:2358 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2358 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f329430cf69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f32942b6238 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f32943941a8 RCX: 00007f329430cf69 RDX: 0000000000000050 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f32943941a0 R08: 0000000000000010 R09: 00007f32942b66c0 R10: 0000000020000000 R11: 0000000000000246 R12: 00007f32943941ac R13: 0000000000000016 R14: 00007ffc9990f2c0 R15: 00007ffc9990f3a8