Extracting prog: 5m36.707379167s Minimizing prog: 3h5m8.67461529s Simplifying prog options: 0s Extracting C: 3m6.325948481s Simplifying C: 28m21.160530056s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r1, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX, @ANYBLOB=',privport,access=', @ANYRESDEC=r2]) program did not crash program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r0, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX, @ANYBLOB=',wfdno=', @ANYRESHEX=r0, @ANYBLOB=',privport,access=', @ANYRESDEC=r1]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(0x0, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(0x0, 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r0, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX, @ANYBLOB=',wfdno=', @ANYRESHEX=r0, @ANYBLOB=',privport,access=', @ANYRESDEC=r1]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, 0x0, 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, 0x0, 0x0) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, 0x0, 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(0x0, &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), 0x0, &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), 0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r1, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r1, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB, @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB, @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB, @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd 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:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd program crashed: INFO: task hung in iterate_supers testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program crashed: INFO: task hung in iterate_supers validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program crashed: INFO: task hung in iterate_supers validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sync-mkdir-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-getresuid-mount$9p_fd detailed listing: executing program 0: sync() mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_DIRENTPLUS(r2, &(0x7f0000000540)=ANY=[@ANYBLOB="d8"], 0xa8) getresuid(&(0x7f0000000440), &(0x7f0000000480), &(0x7f00000004c0)=0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2, @ANYBLOB=',privport,access=', @ANYRESDEC=r3]) program crashed: INFO: task hung in iterate_supers validation run: crashed=true reproducing took 3h53m52.020105117s repro crashed as (corrupted=false): INFO: task syz.4.61:4557 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.61 state:D stack:29056 pid: 4557 ppid: 4318 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0xaf/0x150 fs/sync.c:104 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f822798cec9 RSP: 002b:00007f8226ffc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f8227be3fa0 RCX: 00007f822798cec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8227be3fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8227be4038 R14: 00007f8227be3fa0 R15: 00007ffd337febc8 INFO: task syz.0.62:4561 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.62 state:D stack:29056 pid: 4561 ppid: 4306 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f669671bec9 RSP: 002b:00007f6695d8b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f6696972fa0 RCX: 00007f669671bec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6696972fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6696973038 R14: 00007f6696972fa0 R15: 00007ffd5ca75108 INFO: task syz.1.64:4563 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.64 state:D stack:28704 pid: 4563 ppid: 4315 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd0c193cec9 RSP: 002b:00007fd0c0fac038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fd0c1b93fa0 RCX: 00007fd0c193cec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd0c1b93fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd0c1b94038 R14: 00007fd0c1b93fa0 R15: 00007ffff3b0ea58 INFO: task syz.3.63:4565 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.63 state:D stack:28704 pid: 4565 ppid: 4316 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7faf013caec9 RSP: 002b:00007faf00a3a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007faf01621fa0 RCX: 00007faf013caec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007faf01621fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faf01622038 R14: 00007faf01621fa0 R15: 00007ffc6b19a648 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 4 locks held by kworker/u4:3/485: 3 locks held by kworker/1:3/2285: #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1 #1: ffffc9000622fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285 #2: ffff888041a2c240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x271/0x3240 drivers/net/netdevsim/fib.c:1480 2 locks held by getty/3947: #0: ffff88814cfb3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 drivers/tty/n_tty.c:2158 2 locks held by kworker/u4:6/4397: 1 lock held by syz.2.60/4553: #0: ffff88807b5ce0e0 (&type->s_umount_key#67/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 1 lock held by syz.4.61/4557: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.62/4561: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.64/4563: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.63/4565: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.67/4707: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.65/4711: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.69/4715: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.66/4719: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.68/4721: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.70/4770: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.73/4821: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.71/4832: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.72/4839: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.74/4843: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.74/4844: #0: ffff8880798da0e0 (&type->s_umount_key#67/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 1 lock held by syz.7.75/4872: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.76/4929: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.77/4962: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.78/4982: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.79/4986: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.80/5013: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.81/5039: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.82/5065: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.83/5090: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.84/5115: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.85/5138: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.86/5171: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.87/5201: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.88/5228: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.89/5258: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.90/5273: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.91/5295: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.92/5317: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.93/5339: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.94/5371: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.95/5406: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.96/5433: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.97/5464: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.98/5492: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz-executor/5512: #0: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0 kernel/rcu/tree_exp.h:845 1 lock held by syz.9.99/5518: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 2 locks held by syz-executor/5534: #0: ffffffff8d238048 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8d238048 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x974/0xe60 net/core/rtnetlink.c:5647 #1: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #1: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x6b0 kernel/rcu/tree_exp.h:845 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xe0f/0xe50 kernel/hung_task.c:369 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 154 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: phy6 ieee80211_iface_work RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13 Code: 00 48 c7 c7 40 d0 12 8a e8 2c 01 00 00 65 ff 0d 11 56 5a 76 5b c3 00 00 cc 48 c7 c7 20 a4 59 8a 48 c7 c6 60 a4 59 8a eb 00 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 RSP: 0018:ffffc90001fe7790 EFLAGS: 00000086 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480 RBP: ffffc90001fe78b8 R08: dffffc0000000000 R09: fffffbfff1ff7819 R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffffffff8c11c660 R13: 1ffff920003fcf00 R14: 0000000000000246 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21a3dfd99a CR3: 000000002e8af000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline] lock_acquire+0x1a7/0x3f0 kernel/locking/lockdep.c:5625 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312 rcu_read_lock include/linux/rcupdate.h:739 [inline] ieee80211_vif_get_shift+0x16/0x250 net/mac80211/ieee80211_i.h:1075 ieee80211_sta_get_rates+0xf5/0x6b0 net/mac80211/util.c:2108 ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1121 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline] ieee80211_ibss_rx_queued_mgmt+0xf47/0x29c0 net/mac80211/ibss.c:1643 ieee80211_iface_process_skb net/mac80211/iface.c:1459 [inline] ieee80211_iface_work+0x70e/0xc60 net/mac80211/iface.c:1513 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 final repro crashed as (corrupted=false): INFO: task syz.4.61:4557 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.61 state:D stack:29056 pid: 4557 ppid: 4318 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0xaf/0x150 fs/sync.c:104 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f822798cec9 RSP: 002b:00007f8226ffc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f8227be3fa0 RCX: 00007f822798cec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8227be3fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8227be4038 R14: 00007f8227be3fa0 R15: 00007ffd337febc8 INFO: task syz.0.62:4561 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.62 state:D stack:29056 pid: 4561 ppid: 4306 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f669671bec9 RSP: 002b:00007f6695d8b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f6696972fa0 RCX: 00007f669671bec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6696972fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6696973038 R14: 00007f6696972fa0 R15: 00007ffd5ca75108 INFO: task syz.1.64:4563 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.64 state:D stack:28704 pid: 4563 ppid: 4315 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd0c193cec9 RSP: 002b:00007fd0c0fac038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fd0c1b93fa0 RCX: 00007fd0c193cec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd0c1b93fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd0c1b94038 R14: 00007fd0c1b93fa0 R15: 00007ffff3b0ea58 INFO: task syz.3.63:4565 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.63 state:D stack:28704 pid: 4565 ppid: 4316 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537 rwsem_down_read_slowpath+0x528/0x990 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x96/0x2e0 kernel/locking/rwsem.c:1500 iterate_supers+0xa4/0x1d0 fs/super.c:716 ksys_sync+0x91/0x150 fs/sync.c:102 __ia32_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7faf013caec9 RSP: 002b:00007faf00a3a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007faf01621fa0 RCX: 00007faf013caec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007faf01621fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faf01622038 R14: 00007faf01621fa0 R15: 00007ffc6b19a648 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 4 locks held by kworker/u4:3/485: 3 locks held by kworker/1:3/2285: #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1 #1: ffffc9000622fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285 #2: ffff888041a2c240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x271/0x3240 drivers/net/netdevsim/fib.c:1480 2 locks held by getty/3947: #0: ffff88814cfb3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 drivers/tty/n_tty.c:2158 2 locks held by kworker/u4:6/4397: 1 lock held by syz.2.60/4553: #0: ffff88807b5ce0e0 (&type->s_umount_key#67/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 1 lock held by syz.4.61/4557: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.62/4561: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.64/4563: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.63/4565: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.67/4707: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.65/4711: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.69/4715: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.66/4719: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.68/4721: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.70/4770: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.73/4821: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.71/4832: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.72/4839: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.74/4843: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.74/4844: #0: ffff8880798da0e0 (&type->s_umount_key#67/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 fs/super.c:229 1 lock held by syz.7.75/4872: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.76/4929: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.77/4962: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.78/4982: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.79/4986: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.80/5013: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.81/5039: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.82/5065: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.83/5090: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.84/5115: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.85/5138: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.86/5171: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.87/5201: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.88/5228: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.9.89/5258: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.0.90/5273: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.3.91/5295: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.1.92/5317: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.2.93/5339: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.4.94/5371: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.7.95/5406: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.5.96/5433: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.6.97/5464: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz.8.98/5492: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 1 lock held by syz-executor/5512: #0: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0 kernel/rcu/tree_exp.h:845 1 lock held by syz.9.99/5518: #0: ffff88807b5ce0e0 (&type->s_umount_key#73){++++}-{3:3}, at: iterate_supers+0xa4/0x1d0 fs/super.c:716 2 locks held by syz-executor/5534: #0: ffffffff8d238048 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8d238048 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x974/0xe60 net/core/rtnetlink.c:5647 #1: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #1: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x6b0 kernel/rcu/tree_exp.h:845 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xe0f/0xe50 kernel/hung_task.c:369 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 154 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: phy6 ieee80211_iface_work RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13 Code: 00 48 c7 c7 40 d0 12 8a e8 2c 01 00 00 65 ff 0d 11 56 5a 76 5b c3 00 00 cc 48 c7 c7 20 a4 59 8a 48 c7 c6 60 a4 59 8a eb 00 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 RSP: 0018:ffffc90001fe7790 EFLAGS: 00000086 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480 RBP: ffffc90001fe78b8 R08: dffffc0000000000 R09: fffffbfff1ff7819 R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffffffff8c11c660 R13: 1ffff920003fcf00 R14: 0000000000000246 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21a3dfd99a CR3: 000000002e8af000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline] lock_acquire+0x1a7/0x3f0 kernel/locking/lockdep.c:5625 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312 rcu_read_lock include/linux/rcupdate.h:739 [inline] ieee80211_vif_get_shift+0x16/0x250 net/mac80211/ieee80211_i.h:1075 ieee80211_sta_get_rates+0xf5/0x6b0 net/mac80211/util.c:2108 ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1121 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline] ieee80211_ibss_rx_queued_mgmt+0xf47/0x29c0 net/mac80211/ibss.c:1643 ieee80211_iface_process_skb net/mac80211/iface.c:1459 [inline] ieee80211_iface_work+0x70e/0xc60 net/mac80211/iface.c:1513 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287