Extracting prog: 3m37.853097121s Minimizing prog: 2h12m42.190273794s Simplifying prog options: 0s Extracting C: 2m42.896960725s Simplifying C: 20m7.47584428s 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program crashed: INFO: task hung in do_truncate single: successfully extracted reproducer found reproducer with 10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r1, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r0, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(0xffffffffffffffff, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r0, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(0xffffffffffffffff, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, 0x0, 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(0x0, 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r0, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(0xffffffffffffffff, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, 0x0, 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, 0x0, 0x0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, 0x0, 0x0) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r1, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r0, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, 0x0) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(0x0, 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(0x0, 0x8) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate program crashed: INFO: task hung in do_truncate testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program crashed: INFO: task hung in do_truncate validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program crashed: INFO: task hung in do_truncate validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-write$P9_RSTATu-mount$9p_fd-truncate-truncate detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000580)='./file0\x00', 0x4ac41, 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) write$P9_RSTATu(r1, &(0x7f00000002c0)={0x60, 0x7d, 0x1, {{0x0, 0x46, 0x1ff, 0x7, {0x40, 0x3, 0x5}, 0x68800000, 0x9, 0x3, 0x5, 0x4, ')^.!', 0x5, 'wfdno', 0x5, 'rfdno', 0x5, 'wfdno'}, 0x5, '#,-^+'}}, 0x60) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[], [], 0x6b}}) truncate(&(0x7f0000000080)='./file0\x00', 0x400648) truncate(&(0x7f0000000340)='./file0\x00', 0x8) program crashed: INFO: task hung in do_truncate validation run: crashed=true reproducing took 2h47m6.667808837s repro crashed as (corrupted=false): INFO: task syz.2.17:385 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:385 tgid:383 ppid:370 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944 rwsem_down_write_slowpath+0x9e8/0x1b90 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x152/0x2a0 kernel/locking/rwsem.c:1659 inode_lock include/linux/fs.h:817 [inline] do_truncate+0x187/0x220 fs/open.c:64 vfs_truncate+0x26e/0x320 fs/open.c:112 do_sys_truncate+0xdd/0x1a0 fs/open.c:135 __do_sys_truncate fs/open.c:147 [inline] __se_sys_truncate fs/open.c:145 [inline] __x64_sys_truncate+0x5f/0x70 fs/open.c:145 x64_sys_call+0x2698/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:77 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fdb8d38eec9 RSP: 002b:00007fdb8e282038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fdb8d5e6090 RCX: 00007fdb8d38eec9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000200000000340 RBP: 00007fdb8d411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb8d5e6128 R14: 00007fdb8d5e6090 R15: 00007fffbe1be428 INFO: task syz.3.18:402 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.18 state:D stack:0 pid:402 tgid:398 ppid:388 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944 rwsem_down_write_slowpath+0x9e8/0x1b90 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x152/0x2a0 kernel/locking/rwsem.c:1659 inode_lock include/linux/fs.h:817 [inline] do_truncate+0x187/0x220 fs/open.c:64 vfs_truncate+0x26e/0x320 fs/open.c:112 do_sys_truncate+0xdd/0x1a0 fs/open.c:135 __do_sys_truncate fs/open.c:147 [inline] __se_sys_truncate fs/open.c:145 [inline] __x64_sys_truncate+0x5f/0x70 fs/open.c:145 x64_sys_call+0x2698/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:77 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f74fd18eec9 RSP: 002b:00007f74fdfe7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f74fd3e6090 RCX: 00007f74fd18eec9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000200000000340 RBP: 00007f74fd211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f74fd3e6128 R14: 00007f74fd3e6090 R15: 00007ffc197322a8 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 68071847e78a8b5e73ab1b858b320f4e6b4f981b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xd8f/0xed0 kernel/hung_task.c:423 kthread+0x2ca/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 68071847e78a8b5e73ab1b858b320f4e6b4f981b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106 Code: cc cc cc b8 83 13 3d 28 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 32 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 d3 54 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 RAX: ffff8881f6f00000 RBX: ffff88810366b900 RCX: ffffffff858d20be RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000004364c RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6 R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd720 R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb1da8 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9b2562d58 CR3: 0000000126a4a000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1a0/0x470 kernel/sched/idle.c:326 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424 start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13b/0x157 final repro crashed as (corrupted=false): INFO: task syz.2.17:385 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:385 tgid:383 ppid:370 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944 rwsem_down_write_slowpath+0x9e8/0x1b90 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x152/0x2a0 kernel/locking/rwsem.c:1659 inode_lock include/linux/fs.h:817 [inline] do_truncate+0x187/0x220 fs/open.c:64 vfs_truncate+0x26e/0x320 fs/open.c:112 do_sys_truncate+0xdd/0x1a0 fs/open.c:135 __do_sys_truncate fs/open.c:147 [inline] __se_sys_truncate fs/open.c:145 [inline] __x64_sys_truncate+0x5f/0x70 fs/open.c:145 x64_sys_call+0x2698/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:77 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fdb8d38eec9 RSP: 002b:00007fdb8e282038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fdb8d5e6090 RCX: 00007fdb8d38eec9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000200000000340 RBP: 00007fdb8d411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb8d5e6128 R14: 00007fdb8d5e6090 R15: 00007fffbe1be428 INFO: task syz.3.18:402 blocked for more than 123 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.18 state:D stack:0 pid:402 tgid:398 ppid:388 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5945 [inline] __schedule+0x1322/0x1df0 kernel/sched/core.c:7791 __schedule_loop kernel/sched/core.c:7872 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7887 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944 rwsem_down_write_slowpath+0x9e8/0x1b90 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x152/0x2a0 kernel/locking/rwsem.c:1659 inode_lock include/linux/fs.h:817 [inline] do_truncate+0x187/0x220 fs/open.c:64 vfs_truncate+0x26e/0x320 fs/open.c:112 do_sys_truncate+0xdd/0x1a0 fs/open.c:135 __do_sys_truncate fs/open.c:147 [inline] __se_sys_truncate fs/open.c:145 [inline] __x64_sys_truncate+0x5f/0x70 fs/open.c:145 x64_sys_call+0x2698/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:77 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f74fd18eec9 RSP: 002b:00007f74fdfe7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f74fd3e6090 RCX: 00007f74fd18eec9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000200000000340 RBP: 00007f74fd211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f74fd3e6128 R14: 00007f74fd3e6090 R15: 00007ffc197322a8 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 68071847e78a8b5e73ab1b858b320f4e6b4f981b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xd8f/0xed0 kernel/hung_task.c:423 kthread+0x2ca/0x370 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 68071847e78a8b5e73ab1b858b320f4e6b4f981b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106 Code: cc cc cc b8 83 13 3d 28 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 32 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 d3 54 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 RAX: ffff8881f6f00000 RBX: ffff88810366b900 RCX: ffffffff858d20be RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000004364c RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6 R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd720 R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb1da8 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9b2562d58 CR3: 0000000126a4a000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1a0/0x470 kernel/sched/idle.c:326 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424 start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13b/0x157