Extracting prog: 3m30.14418015s
Minimizing prog: 2h19m3.72079723s
Simplifying prog options: 0s
Extracting C: 2m45.452089027s
Simplifying C: 18m46.540784172s


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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

program crashed: INFO: task hung in iterate_supers
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r1 = dup(r0)
write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r1, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r0 = dup(0xffffffffffffffff)
write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r0, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX, @ANYBLOB=',wfdno=', @ANYRESHEX])
sync()

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$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(0x0, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r0 = dup(0xffffffffffffffff)
write$FUSE_BMAP(r0, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r0, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX, @ANYBLOB=',wfdno=', @ANYRESHEX])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, 0x0)
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, 0x0, 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, 0x0, 0x0)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, 0x0, 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, 0x0, &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r1 = dup(r0)
write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r1, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, 0x0)
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r1 = dup(r0)
write$FUSE_BMAP(r1, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r1, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB, @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB, @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

program crashed: INFO: task hung in iterate_supers
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}}): mkdirat-pipe2$9p-syz_fuse_handle_req-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x90, 0x0, 0x7ff, {0x5, 0x3, 0xdc, 0x2, 0x2, 0x6, {0x4, 0x638, 0xfffffffffffffff8, 0x8, 0x80000000, 0x79, 0xfffffffe, 0x7, 0x1, 0x8000, 0x4, 0x0, 0x0, 0x7, 0x5}}}, 0x0, 0x0, 0x0, 0x0, 0x0})
write$P9_RVERSION(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15)
r2 = dup(r1)
write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18)
write$FUSE_DIRENTPLUS(r2, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x10)
mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0), 0x10, &(0x7f00000002c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])
sync()

program crashed: INFO: task hung in iterate_supers
validation run: crashed=true
reproducing took 2h52m18.450185736s
repro crashed as (corrupted=false):
INFO: task syz.2.18:387 blocked for more than 122 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18        state:D stack:0     pid:387   tgid:385   ppid:370    flags:0x00004004
Call Trace:
 <TASK>
 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
 super_lock+0x150/0x300 fs/super.c:115
 super_lock_shared fs/super.c:140 [inline]
 iterate_supers+0x8a/0x560 fs/super.c:934
 ksys_sync+0x95/0x160 fs/sync.c:103
 __ia32_sys_sync+0x12/0x20 fs/sync.c:114
 x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
 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: 0033:0x7fccb558efc9
RSP: 002b:00007fccb644a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fccb57e6090 RCX: 00007fccb558efc9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fccb57e6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fccb57e6128 R14: 00007fccb57e6090 R15: 00007ffc97b92ac8
 </TASK>
INFO: task syz.3.19:405 blocked for more than 123 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.19        state:D stack:0     pid:405   tgid:401   ppid:391    flags:0x00004004
Call Trace:
 <TASK>
 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
 super_lock+0x150/0x300 fs/super.c:115
 super_lock_shared fs/super.c:140 [inline]
 iterate_supers+0x8a/0x560 fs/super.c:934
 ksys_sync+0x95/0x160 fs/sync.c:103
 __ia32_sys_sync+0x12/0x20 fs/sync.c:114
 x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
 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: 0033:0x7f5608d8efc9
RSP: 002b:00007f5609ce7038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5608fe6090 RCX: 00007f5608d8efc9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5608fe6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5608fe6128 R14: 00007f5608fe6090 R15: 00007fffef0bdf48
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 __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
 </TASK>
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 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc b8 0e f2 e6 ec 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 e2 39 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: ffffffff858d70be
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000004198c
RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6
R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd720
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb2128
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558b3384a8 CR3: 000000010b778000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 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
 </TASK>

final repro crashed as (corrupted=false):
INFO: task syz.2.18:387 blocked for more than 122 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18        state:D stack:0     pid:387   tgid:385   ppid:370    flags:0x00004004
Call Trace:
 <TASK>
 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
 super_lock+0x150/0x300 fs/super.c:115
 super_lock_shared fs/super.c:140 [inline]
 iterate_supers+0x8a/0x560 fs/super.c:934
 ksys_sync+0x95/0x160 fs/sync.c:103
 __ia32_sys_sync+0x12/0x20 fs/sync.c:114
 x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
 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: 0033:0x7fccb558efc9
RSP: 002b:00007fccb644a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fccb57e6090 RCX: 00007fccb558efc9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fccb57e6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fccb57e6128 R14: 00007fccb57e6090 R15: 00007ffc97b92ac8
 </TASK>
INFO: task syz.3.19:405 blocked for more than 123 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.19        state:D stack:0     pid:405   tgid:401   ppid:391    flags:0x00004004
Call Trace:
 <TASK>
 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
 super_lock+0x150/0x300 fs/super.c:115
 super_lock_shared fs/super.c:140 [inline]
 iterate_supers+0x8a/0x560 fs/super.c:934
 ksys_sync+0x95/0x160 fs/sync.c:103
 __ia32_sys_sync+0x12/0x20 fs/sync.c:114
 x64_sys_call+0x2a58/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:163
 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: 0033:0x7f5608d8efc9
RSP: 002b:00007f5609ce7038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5608fe6090 RCX: 00007f5608d8efc9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5608fe6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5608fe6128 R14: 00007f5608fe6090 R15: 00007fffef0bdf48
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 __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
 </TASK>
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 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc b8 0e f2 e6 ec 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 e2 39 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: ffffffff858d70be
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000004198c
RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6
R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd720
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb2128
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558b3384a8 CR3: 000000010b778000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 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
 </TASK>