Extracting prog: 1m3.513412197s Minimizing prog: 8m45.594110762s Simplifying prog options: 0s Extracting C: 35.261942365s Simplifying C: 23m2.352993584s 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: r0 = openat$auto_nsim_pp_hold_fops_netdev(0xffffffffffffff9c, &(0x7f0000000240)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/pp_hold\x00', 0x2, 0x0) write$auto_nsim_pp_hold_fops_netdev(r0, &(0x7f0000000300)="467cab1bf2ea3878a34681c52a82b287c9c603cb7a9e3f4160c789593fd9a7fb3ff6699151993326c838ec30d809e6c7f571c7a8b402ea47de3e797d8e0593595d14406200e144e70da45bcad0b861d2014a486f42fae77e52308a2c605b72e5bbab237f885fbef0bc23a910b556a82bebb911630a4862a7686aa529d7ce1d7de9244080066c524c87bb4831c33be5f411ed15daef", 0x95) program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: openat$auto_nsim_pp_hold_fops_netdev(0xffffffffffffff9c, &(0x7f0000000240)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/pp_hold\x00', 0x2, 0x0) program did not crash testing program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: write$auto_nsim_pp_hold_fops_netdev(0xffffffffffffffff, &(0x7f0000000300)="467cab1bf2ea3878a34681c52a82b287c9c603cb7a9e3f4160c789593fd9a7fb3ff6699151993326c838ec30d809e6c7f571c7a8b402ea47de3e797d8e0593595d14406200e144e70da45bcad0b861d2014a486f42fae77e52308a2c605b72e5bbab237f885fbef0bc23a910b556a82bebb911630a4862a7686aa529d7ce1d7de9244080066c524c87bb4831c33be5f411ed15daef", 0x95) program did not crash testing program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: r0 = openat$auto_nsim_pp_hold_fops_netdev(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$auto_nsim_pp_hold_fops_netdev(r0, &(0x7f0000000300)="467cab1bf2ea3878a34681c52a82b287c9c603cb7a9e3f4160c789593fd9a7fb3ff6699151993326c838ec30d809e6c7f571c7a8b402ea47de3e797d8e0593595d14406200e144e70da45bcad0b861d2014a486f42fae77e52308a2c605b72e5bbab237f885fbef0bc23a910b556a82bebb911630a4862a7686aa529d7ce1d7de9244080066c524c87bb4831c33be5f411ed15daef", 0x95) program did not crash testing program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: r0 = openat$auto_nsim_pp_hold_fops_netdev(0xffffffffffffff9c, &(0x7f0000000240)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/pp_hold\x00', 0x2, 0x0) write$auto_nsim_pp_hold_fops_netdev(r0, 0x0, 0x0) program did not crash testing program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev detailed listing: executing program 0: r0 = openat$auto_nsim_pp_hold_fops_netdev(0xffffffffffffff9c, &(0x7f0000000240)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/pp_hold\x00', 0x2, 0x0) write$auto_nsim_pp_hold_fops_netdev(r0, &(0x7f0000000300), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m1.18095877s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write simplifying C reproducer testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program did not crash testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program did not crash testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program did not crash testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write testing compiled C program (duration=1m1.18095877s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_pp_hold_fops_netdev-write$auto_nsim_pp_hold_fops_netdev program crashed: WARNING: lock held when returning to user space in nsim_pp_hold_write reproducing took 33m26.722476664s repro crashed as (corrupted=false): ================================================ WARNING: lock held when returning to user space! 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 Not tainted ------------------------------------------------ syz-executor336/5863 is leaving the kernel with locks still held! 1 lock held by syz-executor336/5863: #0: ffffffff8fabfb08 (rtnl_mutex){+.+.}-{4:4}, at: nsim_pp_hold_write+0x105/0x4d0 drivers/net/netdevsim/netdev.c:623 final repro crashed as (corrupted=false): ================================================ WARNING: lock held when returning to user space! 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 Not tainted ------------------------------------------------ syz-executor336/5863 is leaving the kernel with locks still held! 1 lock held by syz-executor336/5863: #0: ffffffff8fabfb08 (rtnl_mutex){+.+.}-{4:4}, at: nsim_pp_hold_write+0x105/0x4d0 drivers/net/netdevsim/netdev.c:623