Extracting prog: 2m38.512700157s Minimizing prog: 16m13.341552626s Simplifying prog options: 0s Extracting C: 1m37.017504301s Simplifying C: 9m2.573534656s extracting reproducer from 29 programs first checking the prog from the crash report 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_WIPHY-sendmsg$NL80211_CMD_SET_COALESCE-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000a00), r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000000)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000040)={0x24, r2, 0x990, 0x70bd2d, 0x25dfdbfb, {}, [@NL80211_ATTR_WIPHY_FRAG_THRESHOLD={0x8, 0x3f, 0x2}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5, 0x59, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x8090}, 0x0) (async, rerun: 64) sendmsg$NL80211_CMD_SET_COALESCE(r1, &(0x7f0000000200)={0x0, 0xffffffffffffff8c, &(0x7f0000000b00)={&(0x7f0000000040)={0x28, r2, 0x1, 0x0, 0x0, {{0x2}, {@val={0x8, 0x3, r3}, @void}}}, 0x28}}, 0x0) (async, rerun: 64) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_WIPHY-sendmsg$NL80211_CMD_SET_COALESCE detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000a00), r0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000000)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000040)={0x24, r1, 0x990, 0x70bd2d, 0x25dfdbfb, {}, [@NL80211_ATTR_WIPHY_FRAG_THRESHOLD={0x8, 0x3f, 0x2}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5, 0x59, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x8090}, 0x0) (async, rerun: 64) sendmsg$NL80211_CMD_SET_COALESCE(r0, &(0x7f0000000200)={0x0, 0xffffffffffffff8c, &(0x7f0000000b00)={&(0x7f0000000040)={0x28, r1, 0x1, 0x0, 0x0, {{0x2}, {@val={0x8, 0x3, r2}, @void}}}, 0x28}}, 0x0) (async, rerun: 64) program did not crash testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_WIPHY-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000a00), r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000000)={'wlan0\x00'}) sendmsg$NL80211_CMD_SET_WIPHY(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000040)={0x24, r2, 0x990, 0x70bd2d, 0x25dfdbfb, {}, [@NL80211_ATTR_WIPHY_FRAG_THRESHOLD={0x8, 0x3f, 0x2}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5, 0x59, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x8090}, 0x0) (async, rerun: 64) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000a00), r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000000)={'wlan0\x00'}) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000a00), r1) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program did not crash testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program did not crash testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, 0x0, 0x4000080) program did not crash testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x4000080) program did not crash testing program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x4000080) program did not crash extracting C reproducer testing compiled C program (duration=45.441303097s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb simplifying C reproducer testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing compiled C program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb testing program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb validation run: crashed=true testing program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb validation run: crashed=true testing program (duration=45.441303097s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x1c, 0x27, 0x9, 0x70bd2c, 0x25dfdbf9, {0x11}, [@typed={0x8, 0x1, 0x0, 0x0, @u32=0xffff8000}]}, 0x1c}}, 0x4000080) program crashed: INFO: trying to register non-static key in nfsd4_cancel_copy_by_sb validation run: crashed=true reproducing took 35m10.219128766s repro crashed as (corrupted=false): INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 5883 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 __lock_acquire+0xab/0x2cf0 kernel/locking/lockdep.c:5112 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 __raw_spin_lock include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:158 spin_lock include/linux/spinlock.h:342 [inline] nfsd4_cancel_copy_by_sb+0x10d/0x840 fs/nfsd/nfs4proc.c:1574 nfsd_nl_unlock_filesystem_doit+0x248/0x370 fs/nfsd/nfsctl.c:2343 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a7e59ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0f70a048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9a7e815fa0 RCX: 00007f9a7e59ce59 RDX: 0000000004000080 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f9a7e632e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9a7e815fac R14: 00007f9a7e815fa0 R15: 00007f9a7e815fa0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 5883 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:nfsd4_cancel_copy_by_sb+0x161/0x840 fs/nfsd/nfs4proc.c:1578 Code: 48 42 80 3c 31 00 74 0f 48 8b 7c 24 10 e8 d7 cf 4c ff 48 8b 44 24 10 48 8b 5c 24 18 48 c1 e3 04 48 03 18 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 b0 cf 4c ff 48 8b 03 48 39 d8 48 RSP: 0018:ffffc90002e2f280 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100febe00d RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002e2f200 RBP: ffffc90002e2f370 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520005c5e40 R12: ffffc90002e2f300 R13: 1ffff920005c5e98 R14: dffffc0000000000 R15: 1ffff920005c5e5c FS: 0000555574458500(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a7e472780 CR3: 0000000074d44000 CR4: 00000000003526f0 Call Trace: nfsd_nl_unlock_filesystem_doit+0x248/0x370 fs/nfsd/nfsctl.c:2343 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a7e59ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0f70a048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9a7e815fa0 RCX: 00007f9a7e59ce59 RDX: 0000000004000080 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f9a7e632e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9a7e815fac R14: 00007f9a7e815fa0 R15: 00007f9a7e815fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:nfsd4_cancel_copy_by_sb+0x161/0x840 fs/nfsd/nfs4proc.c:1578 Code: 48 42 80 3c 31 00 74 0f 48 8b 7c 24 10 e8 d7 cf 4c ff 48 8b 44 24 10 48 8b 5c 24 18 48 c1 e3 04 48 03 18 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 b0 cf 4c ff 48 8b 03 48 39 d8 48 RSP: 0018:ffffc90002e2f280 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100febe00d RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002e2f200 RBP: ffffc90002e2f370 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520005c5e40 R12: ffffc90002e2f300 R13: 1ffff920005c5e98 R14: dffffc0000000000 R15: 1ffff920005c5e5c FS: 0000555574458500(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a7e472780 CR3: 0000000074d44000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 48 rex.W 1: 42 80 3c 31 00 cmpb $0x0,(%rcx,%r14,1) 6: 74 0f je 0x17 8: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi d: e8 d7 cf 4c ff call 0xff4ccfe9 12: 48 8b 44 24 10 mov 0x10(%rsp),%rax 17: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx 1c: 48 c1 e3 04 shl $0x4,%rbx 20: 48 03 18 add (%rax),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 b0 cf 4c ff call 0xff4ccfe9 39: 48 8b 03 mov (%rbx),%rax 3c: 48 39 d8 cmp %rbx,%rax 3f: 48 rex.W final repro crashed as (corrupted=false): INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 5883 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 __lock_acquire+0xab/0x2cf0 kernel/locking/lockdep.c:5112 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 __raw_spin_lock include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:158 spin_lock include/linux/spinlock.h:342 [inline] nfsd4_cancel_copy_by_sb+0x10d/0x840 fs/nfsd/nfs4proc.c:1574 nfsd_nl_unlock_filesystem_doit+0x248/0x370 fs/nfsd/nfsctl.c:2343 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a7e59ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0f70a048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9a7e815fa0 RCX: 00007f9a7e59ce59 RDX: 0000000004000080 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f9a7e632e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9a7e815fac R14: 00007f9a7e815fa0 R15: 00007f9a7e815fa0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 5883 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:nfsd4_cancel_copy_by_sb+0x161/0x840 fs/nfsd/nfs4proc.c:1578 Code: 48 42 80 3c 31 00 74 0f 48 8b 7c 24 10 e8 d7 cf 4c ff 48 8b 44 24 10 48 8b 5c 24 18 48 c1 e3 04 48 03 18 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 b0 cf 4c ff 48 8b 03 48 39 d8 48 RSP: 0018:ffffc90002e2f280 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100febe00d RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002e2f200 RBP: ffffc90002e2f370 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520005c5e40 R12: ffffc90002e2f300 R13: 1ffff920005c5e98 R14: dffffc0000000000 R15: 1ffff920005c5e5c FS: 0000555574458500(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a7e472780 CR3: 0000000074d44000 CR4: 00000000003526f0 Call Trace: nfsd_nl_unlock_filesystem_doit+0x248/0x370 fs/nfsd/nfsctl.c:2343 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a7e59ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc0f70a048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9a7e815fa0 RCX: 00007f9a7e59ce59 RDX: 0000000004000080 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f9a7e632e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9a7e815fac R14: 00007f9a7e815fa0 R15: 00007f9a7e815fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:nfsd4_cancel_copy_by_sb+0x161/0x840 fs/nfsd/nfs4proc.c:1578 Code: 48 42 80 3c 31 00 74 0f 48 8b 7c 24 10 e8 d7 cf 4c ff 48 8b 44 24 10 48 8b 5c 24 18 48 c1 e3 04 48 03 18 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 b0 cf 4c ff 48 8b 03 48 39 d8 48 RSP: 0018:ffffc90002e2f280 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100febe00d RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002e2f200 RBP: ffffc90002e2f370 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520005c5e40 R12: ffffc90002e2f300 R13: 1ffff920005c5e98 R14: dffffc0000000000 R15: 1ffff920005c5e5c FS: 0000555574458500(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a7e472780 CR3: 0000000074d44000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 48 rex.W 1: 42 80 3c 31 00 cmpb $0x0,(%rcx,%r14,1) 6: 74 0f je 0x17 8: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi d: e8 d7 cf 4c ff call 0xff4ccfe9 12: 48 8b 44 24 10 mov 0x10(%rsp),%rax 17: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx 1c: 48 c1 e3 04 shl $0x4,%rbx 20: 48 03 18 add (%rax),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 b0 cf 4c ff call 0xff4ccfe9 39: 48 8b 03 mov (%rbx),%rax 3c: 48 39 d8 cmp %rbx,%rax 3f: 48 rex.W