Extracting prog: 5m17.098494792s Minimizing prog: 1h56m19.77429311s Simplifying prog options: 0s Extracting C: 3m20.273336078s Simplifying C: 27m44.337901267s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program crashed: INFO: task hung in __iterate_supers single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) write$P9_RVERSION(r1, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r1, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RVERSION(0xffffffffffffffff, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) write$P9_RVERSION(r1, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r1, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) write$P9_RVERSION(r1, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r1, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x0, 0x0}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RVERSION(0xffffffffffffffff, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, 0x0, &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', 0x0, 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, 0x0) write$P9_RVERSION(r1, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r1, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, 0x0, 0x0) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): quotactl$Q_SYNC-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-pipe2$9p-pipe2$9p-mkdirat-mount$9p_fd-write$P9_RVERSION-write$P9_RATTACH detailed listing: executing program 0: quotactl$Q_SYNC(0xffffffff80000100, 0x0, 0x0, 0x0) r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r0, 0xffffffffffffffff, 0x0) pipe2$9p(&(0x7f0000000000)={0x0, 0x0}, 0x0) pipe2$9p(&(0x7f0000000180)={0x0, 0x0}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff) mount$9p_fd(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000240), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) write$P9_RVERSION(r2, &(0x7f00000002c0)={0x13, 0x65, 0xffff, 0x2000, 0x6, '9P2000'}, 0x13) write$P9_RATTACH(r2, &(0x7f0000000080)={0x14, 0x69, 0x0, {0x80}}, 0x14) failed to symbolize report: failed to start scripts/get_maintainer.pl [scripts/get_maintainer.pl --git-min-percent=15 -f fs/quota/quota.c]: fork/exec scripts/get_maintainer.pl: no such file or directory program crashed: INFO: task hung in __iterate_supers validation run: crashed=true reproducing took 2h45m7.254913328s repro crashed as (corrupted=false): INFO: task syz.2.22:6021 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.22 state:D stack:26832 pid:6021 tgid:6020 ppid:5806 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff7d379f559 RSP: 002b:00007ff7d46f4028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007ff7d3a25fa0 RCX: 00007ff7d379f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007ff7d3836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff7d3a26038 R14: 00007ff7d3a25fa0 R15: 00007ffe63abf988 INFO: task syz.1.18:6025 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:26832 pid:6025 tgid:6024 ppid:5809 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3aad79f559 RSP: 002b:00007f3aacdfe028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f3aada25fa0 RCX: 00007f3aad79f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007f3aad836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3aada26038 R14: 00007f3aada25fa0 R15: 00007ffdda783408 INFO: task syz.3.20:6029 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.20 state:D stack:26632 pid:6029 tgid:6028 ppid:5801 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3ddb19f559 RSP: 002b:00007f3ddbfcd028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f3ddb425fa0 RCX: 00007f3ddb19f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007f3ddb236b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3ddb426038 R14: 00007f3ddb425fa0 R15: 00007ffc7bfe0ec8 Showing all locks held in the system: locks held by kworker/u8:0/12: 3, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff888021280258 (&devlink->lock_key#23){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff888021280258 (&devlink->lock_key#23){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 locks held by kworker/u8:1/13: 2, last CPU#0: #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 locks held by pr/ttyS0/34: 2, last CPU#1: #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline] #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:493 [inline] #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 kernel/printk/printk.c:291 #1: ffffffff9c292918 (&port_lock_key){-.-.}-{3:3}, at: __uart_port_lock_irqsave include/linux/serial_core.h:613 [inline] #1: ffffffff9c292918 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x67/0xc0 drivers/tty/serial/8250/8250_core.c:413 locks held by khungtaskd/35: 1, last CPU#0: #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by kworker/u8:10/1384: 3, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff88804e9d0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff88804e9d0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 locks held by kworker/u8:11/1394: 4, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff888051930800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff888051930800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: ieee80211_sta_active_ibss+0xc7/0x330 net/mac80211/ibss.c:628 locks held by kworker/u8:14/1424: 3, on CPU#0: #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:134 [inline] #2: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4255 locks held by getty/5402: 2, on CPU#0: #0: ffff8880383120a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000324b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by syz.0.17/6017: 1, on CPU#0: #0: ffff88807b6000e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807b6000e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.2.22/6022: 1, on CPU#1: #0: ffff88807b7460e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807b7460e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.1.30/6386: 1, on CPU#1: #0: ffff8880367080e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff8880367080e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.4.33/6540: 1, on CPU#1: #0: ffff88804c8740e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88804c8740e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.6.35/6711: 1, on CPU#1: #0: ffff8880351260e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff8880351260e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.2.42/6898: 1, on CPU#1: #0: ffff88807a7040e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807a7040e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz-executor/7091: 1, on CPU#0: #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:134 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x669/0xe10 net/ipv6/addrconf.c:5088 locks held by syz-executor/7111: 1, on CPU#0: #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 locks held by syz-executor/7113: 3, last CPU#0: #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:598 #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495 locks held by syz-executor/7115: 2, on CPU#0: #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:598 #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 35 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:377 [inline] watchdog+0x1073/0x10f0 kernel/hung_task.c:598 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 34 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:check_region_inline mm/kasan/generic.c:-1 [inline] RIP: 0010:kasan_check_range+0x26/0x2c0 mm/kasan/generic.c:200 Code: 90 90 90 90 0f 1f 40 d6 55 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ae 01 00 00 4c 8d 04 37 49 39 f8 0f 82 36 02 00 00 <49> b9 00 00 00 00 00 80 ff ff eb 0d cc cc cc 49 b9 00 00 00 00 00 RSP: 0018:ffffc90000a28ba8 EFLAGS: 00000002 RAX: 00000000ffffff01 RBX: ffffffff8fe0f300 RCX: ffffffff81a4f68b RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000a28c20 RBP: ffffc90000a28ca0 R08: ffffc90000a28c24 R09: 1ffffffff1fc1e60 R10: dffffc0000000000 R11: fffffbfff1fc1e61 R12: 1ffff92000145180 R13: ffffffff8fe0f308 R14: dffffc0000000000 R15: 1ffffffff1fc1e61 FS: 0000000000000000(0000) GS:ffff88812347c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd640fd3000 CR3: 000000004cf02000 CR4: 00000000003526f0 Call Trace: instrument_read_write include/linux/instrumented.h:55 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:112 [inline] do_raw_spin_lock+0x12b/0x2f0 kernel/locking/spinlock_debug.c:116 tick_do_update_jiffies64+0x6e/0x310 kernel/time/tick-sched.c:91 tick_sched_do_timer kernel/time/tick-sched.c:253 [inline] tick_nohz_handler+0xee/0x6b0 kernel/time/tick-sched.c:310 __run_hrtimer kernel/time/hrtimer.c:2075 [inline] __hrtimer_run_queues+0x371/0xa10 kernel/time/hrtimer.c:2132 hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2251 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 cd 3b 8a f5 f7 c3 00 02 00 00 74 05 e8 f0 db b6 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 34 34 7b f5 65 48 8b 05 ac 81 cf 08 48 85 c0 74 18 5b 41 5e c3 RSP: 0018:ffffc90000aa7ca8 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000206 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff8e7e8346 RDI: 0000000000000001 RBP: ffffc90000aa7e18 R08: ffffffff91c0abbf R09: 1ffffffff2381577 R10: dffffc0000000000 R11: fffffbfff2381578 R12: 0000000000000002 R13: ffff888021ef5dc0 R14: ffffffff9c292900 R15: dffffc0000000000 nbcon_emit_one kernel/printk/nbcon.c:1165 [inline] nbcon_kthread_func+0x724/0x8d0 kernel/printk/nbcon.c:1271 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): INFO: task syz.2.22:6021 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.22 state:D stack:26832 pid:6021 tgid:6020 ppid:5806 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff7d379f559 RSP: 002b:00007ff7d46f4028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007ff7d3a25fa0 RCX: 00007ff7d379f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007ff7d3836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff7d3a26038 R14: 00007ff7d3a25fa0 R15: 00007ffe63abf988 INFO: task syz.1.18:6025 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:26832 pid:6025 tgid:6024 ppid:5809 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3aad79f559 RSP: 002b:00007f3aacdfe028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f3aada25fa0 RCX: 00007f3aad79f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007f3aad836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3aada26038 R14: 00007f3aada25fa0 R15: 00007ffdda783408 INFO: task syz.3.20:6029 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.20 state:D stack:26632 pid:6029 tgid:6028 ppid:5801 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7474 super_lock+0x1db/0x3d0 fs/super.c:118 __iterate_supers+0x26b/0x420 fs/super.c:979 quota_sync_all fs/quota/quota.c:69 [inline] __do_sys_quotactl fs/quota/quota.c:938 [inline] __se_sys_quotactl+0x3a0/0x9a0 fs/quota/quota.c:917 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3ddb19f559 RSP: 002b:00007f3ddbfcd028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f3ddb425fa0 RCX: 00007f3ddb19f559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100 RBP: 00007f3ddb236b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3ddb426038 R14: 00007f3ddb425fa0 R15: 00007ffc7bfe0ec8 Showing all locks held in the system: locks held by kworker/u8:0/12: 3, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90000117c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff888021280258 (&devlink->lock_key#23){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff888021280258 (&devlink->lock_key#23){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 locks held by kworker/u8:1/13: 2, last CPU#0: #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88803555d148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90000127c40 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 locks held by pr/ttyS0/34: 2, last CPU#1: #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline] #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:493 [inline] #0: ffffffff90033f58 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 kernel/printk/printk.c:291 #1: ffffffff9c292918 (&port_lock_key){-.-.}-{3:3}, at: __uart_port_lock_irqsave include/linux/serial_core.h:613 [inline] #1: ffffffff9c292918 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x67/0xc0 drivers/tty/serial/8250/8250_core.c:413 locks held by khungtaskd/35: 1, last CPU#0: #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by kworker/u8:10/1384: 3, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc900059afc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff88804e9d0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff88804e9d0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 locks held by kworker/u8:11/1394: 4, last CPU#0: #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88813fe64148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90005a8fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffff888051930800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff888051930800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596 #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: ieee80211_sta_active_ibss+0xc7/0x330 net/mac80211/ibss.c:628 locks held by kworker/u8:14/1424: 3, on CPU#0: #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #0: ffff88801df96148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline] #1: ffffc90005bcfc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578 #2: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:134 [inline] #2: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4255 locks held by getty/5402: 2, on CPU#0: #0: ffff8880383120a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000324b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by syz.0.17/6017: 1, on CPU#0: #0: ffff88807b6000e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807b6000e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.2.22/6022: 1, on CPU#1: #0: ffff88807b7460e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807b7460e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.1.30/6386: 1, on CPU#1: #0: ffff8880367080e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff8880367080e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.4.33/6540: 1, on CPU#1: #0: ffff88804c8740e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88804c8740e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.6.35/6711: 1, on CPU#1: #0: ffff8880351260e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff8880351260e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz.2.42/6898: 1, on CPU#1: #0: ffff88807a7040e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: alloc_super fs/super.c:351 [inline] #0: ffff88807a7040e8 (&type->s_umount_key#77/1){+.+.}-{4:4}, at: sget_fc+0x9cf/0x1a60 fs/super.c:874 locks held by syz-executor/7091: 1, on CPU#0: #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:134 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x669/0xe10 net/ipv6/addrconf.c:5088 locks held by syz-executor/7111: 1, on CPU#0: #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #0: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 locks held by syz-executor/7113: 3, last CPU#0: #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff91c28ea8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:598 #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline] #2: ffffffff9015a4a0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495 locks held by syz-executor/7115: 2, on CPU#0: #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff91c26f20 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:598 #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:366 [inline] #1: ffffffff916be6a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xc1d/0x1c30 net/core/rtnetlink.c:4251 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 35 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:377 [inline] watchdog+0x1073/0x10f0 kernel/hung_task.c:598 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 34 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:check_region_inline mm/kasan/generic.c:-1 [inline] RIP: 0010:kasan_check_range+0x26/0x2c0 mm/kasan/generic.c:200 Code: 90 90 90 90 0f 1f 40 d6 55 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ae 01 00 00 4c 8d 04 37 49 39 f8 0f 82 36 02 00 00 <49> b9 00 00 00 00 00 80 ff ff eb 0d cc cc cc 49 b9 00 00 00 00 00 RSP: 0018:ffffc90000a28ba8 EFLAGS: 00000002 RAX: 00000000ffffff01 RBX: ffffffff8fe0f300 RCX: ffffffff81a4f68b RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000a28c20 RBP: ffffc90000a28ca0 R08: ffffc90000a28c24 R09: 1ffffffff1fc1e60 R10: dffffc0000000000 R11: fffffbfff1fc1e61 R12: 1ffff92000145180 R13: ffffffff8fe0f308 R14: dffffc0000000000 R15: 1ffffffff1fc1e61 FS: 0000000000000000(0000) GS:ffff88812347c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd640fd3000 CR3: 000000004cf02000 CR4: 00000000003526f0 Call Trace: instrument_read_write include/linux/instrumented.h:55 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:112 [inline] do_raw_spin_lock+0x12b/0x2f0 kernel/locking/spinlock_debug.c:116 tick_do_update_jiffies64+0x6e/0x310 kernel/time/tick-sched.c:91 tick_sched_do_timer kernel/time/tick-sched.c:253 [inline] tick_nohz_handler+0xee/0x6b0 kernel/time/tick-sched.c:310 __run_hrtimer kernel/time/hrtimer.c:2075 [inline] __hrtimer_run_queues+0x371/0xa10 kernel/time/hrtimer.c:2132 hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2251 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 cd 3b 8a f5 f7 c3 00 02 00 00 74 05 e8 f0 db b6 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 34 34 7b f5 65 48 8b 05 ac 81 cf 08 48 85 c0 74 18 5b 41 5e c3 RSP: 0018:ffffc90000aa7ca8 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000206 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff8e7e8346 RDI: 0000000000000001 RBP: ffffc90000aa7e18 R08: ffffffff91c0abbf R09: 1ffffffff2381577 R10: dffffc0000000000 R11: fffffbfff2381578 R12: 0000000000000002 R13: ffff888021ef5dc0 R14: ffffffff9c292900 R15: dffffc0000000000 nbcon_emit_one kernel/printk/nbcon.c:1165 [inline] nbcon_kthread_func+0x724/0x8d0 kernel/printk/nbcon.c:1271 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245