Extracting prog: 2m34.562504291s Minimizing prog: 28m27.749254825s Simplifying prog options: 0s Extracting C: 1m24.675885524s Simplifying C: 25m14.19531444s extracting reproducer from 71 programs first checking the prog from the crash report 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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-socket-recvfrom$auto-write$auto-write$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) socket(0x11, 0x80003, 0x300) recvfrom$auto(0x3, &(0x7f0000000000), 0x942e, 0x20, 0x0, 0x0) write$auto(0xc8, 0x0, 0x40f6) write$auto(r0, 0x0, 0x40) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write single: successfully extracted reproducer found reproducer with 14 syscalls minimizing guilty program testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-socket-recvfrom$auto-write$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) socket(0x11, 0x80003, 0x300) recvfrom$auto(0x3, &(0x7f0000000000), 0x942e, 0x20, 0x0, 0x0) write$auto(0xc8, 0x0, 0x40f6) write$auto(r0, 0x0, 0x40) program did not crash testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-socket-recvfrom$auto-write$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) socket(0x11, 0x80003, 0x300) recvfrom$auto(0x3, &(0x7f0000000000), 0x942e, 0x20, 0x0, 0x0) write$auto(0xc8, 0x0, 0x40f6) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-socket-recvfrom$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) socket(0x11, 0x80003, 0x300) recvfrom$auto(0x3, &(0x7f0000000000), 0x942e, 0x20, 0x0, 0x0) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-socket-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) socket(0x11, 0x80003, 0x300) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-setsockopt$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) r1 = socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x4) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-ioctl$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x4000000000000c8, 0x800454d3, 0x3) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-mmap$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) socket(0x11, 0x80003, 0x300) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-socket-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) socket(0x11, 0x80003, 0x300) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-sendmmsg$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) sendmmsg$auto(0x3, 0x0, 0x9a6, 0xa00) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-connect$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) connect$auto(0x3, &(0x7f00000000c0), 0x55) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-socket-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2, 0x3, 0xa) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-mmap$auto-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing program (duration=1m1.971175182s, {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$auto detailed listing: executing program 0: write$auto(0xffffffffffffffff, &(0x7f0000000000)='\',}}\x00', 0x0) program did not crash testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x101, 0x0) write$auto(r0, &(0x7f0000000000)='\',}}\x00', 0x0) program did not crash testing program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x101, 0x0) write$auto(r0, 0x0, 0x0) program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write extracting C reproducer testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write simplifying C reproducer testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program did not crash testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program did not crash testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program did not crash testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write testing compiled C program (duration=1m1.971175182s, {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$auto_nsim_dev_health_break_fops_health-write$auto program crashed: KASAN: slab-out-of-bounds Read in nsim_dev_health_break_write reproducing took 57m41.182979878s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in nsim_dev_health_break_write+0x1be/0x1e0 drivers/net/netdevsim/health.c:156 Read of size 1 at addr ffff888143b8da5f by task syz-executor820/5861 CPU: 1 UID: 0 PID: 5861 Comm: syz-executor820 Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xc3/0x620 mm/kasan/report.c:489 kasan_report+0xd9/0x110 mm/kasan/report.c:602 nsim_dev_health_break_write+0x1be/0x1e0 drivers/net/netdevsim/health.c:156 full_proxy_write+0xfb/0x1b0 fs/debugfs/file.c:356 vfs_write+0x24c/0x1150 fs/read_write.c:677 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9df4dfc959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc98cb3018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9df4dfc959 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000000f4240 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc98cb3070 R13: 00007f9df4e493fe R14: 0000000000000003 R15: 00007ffc98cb3050 Allocated by task 1: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:901 [inline] usb_control_msg+0xbd/0x4b0 drivers/usb/core/message.c:144 usb_get_descriptor+0xc1/0x1b0 drivers/usb/core/message.c:794 usb_get_configuration+0x3d8/0x55d0 drivers/usb/core/config.c:940 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline] usb_new_device+0x1124/0x1960 drivers/usb/core/hub.c:2621 register_root_hub+0x299/0x730 drivers/usb/core/hcd.c:994 usb_add_hcd+0xa77/0x16a0 drivers/usb/core/hcd.c:2970 vhci_hcd_probe+0x1c2/0x490 drivers/usb/usbip/vhci_hcd.c:1380 platform_probe+0xff/0x1f0 drivers/base/platform.c:1404 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3665 platform_device_add+0x316/0x810 drivers/base/platform.c:716 platform_device_register_full+0x4dc/0x690 drivers/base/platform.c:844 vhci_hcd_init+0x1c7/0x380 drivers/usb/usbip/vhci_hcd.c:1536 do_one_initcall+0x128/0x630 init/main.c:1266 do_initcall_level init/main.c:1328 [inline] do_initcalls init/main.c:1344 [inline] do_basic_setup init/main.c:1363 [inline] kernel_init_freeable+0x58f/0x8b0 init/main.c:1577 kernel_init+0x1c/0x2b0 init/main.c:1466 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 1: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x14f/0x4b0 mm/slub.c:4761 usb_control_msg+0x39e/0x4b0 drivers/usb/core/message.c:160 usb_get_descriptor+0xc1/0x1b0 drivers/usb/core/message.c:794 usb_get_configuration+0x3d8/0x55d0 drivers/usb/core/config.c:940 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline] usb_new_device+0x1124/0x1960 drivers/usb/core/hub.c:2621 register_root_hub+0x299/0x730 drivers/usb/core/hcd.c:994 usb_add_hcd+0xa77/0x16a0 drivers/usb/core/hcd.c:2970 vhci_hcd_probe+0x1c2/0x490 drivers/usb/usbip/vhci_hcd.c:1380 platform_probe+0xff/0x1f0 drivers/base/platform.c:1404 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3665 platform_device_add+0x316/0x810 drivers/base/platform.c:716 platform_device_register_full+0x4dc/0x690 drivers/base/platform.c:844 vhci_hcd_init+0x1c7/0x380 drivers/usb/usbip/vhci_hcd.c:1536 do_one_initcall+0x128/0x630 init/main.c:1266 do_initcall_level init/main.c:1328 [inline] do_initcalls init/main.c:1344 [inline] do_basic_setup init/main.c:1363 [inline] kernel_init_freeable+0x58f/0x8b0 init/main.c:1577 kernel_init+0x1c/0x2b0 init/main.c:1466 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888143b8da40 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 23 bytes to the right of allocated 8-byte region [ffff888143b8da40, ffff888143b8da48) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x143b8d flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 057ff00000000000 ffff88801ac41500 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 10309131020, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab mm/slub.c:2589 [inline] new_slab+0x2c9/0x410 mm/slub.c:2642 ___slab_alloc+0xce2/0x1650 mm/slub.c:3830 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920 __slab_alloc_node mm/slub.c:3995 [inline] slab_alloc_node mm/slub.c:4156 [inline] __kmalloc_cache_noprof+0xf6/0x420 mm/slub.c:4324 kmalloc_noprof include/linux/slab.h:901 [inline] usb_control_msg+0xbd/0x4b0 drivers/usb/core/message.c:144 usb_get_status+0xdc/0x270 drivers/usb/core/message.c:1149 usb_get_std_status include/linux/usb.h:1856 [inline] hub_configure drivers/usb/core/hub.c:1627 [inline] hub_probe+0x1749/0x3200 drivers/usb/core/hub.c:1965 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 page_owner free stack trace missing Memory state around the buggy address: ffff888143b8d900: 06 fc fc fc 06 fc fc fc 07 fc fc fc 06 fc fc fc ffff888143b8d980: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc >ffff888143b8da00: 00 fc fc fc fa fc fc fc fa fc fc fc 01 fc fc fc ^ ffff888143b8da80: fa fc fc fc 00 fc fc fc 00 fc fc fc 06 fc fc fc ffff888143b8db00: 06 fc fc fc 06 fc fc fc 00 fc fc fc fa fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in nsim_dev_health_break_write+0x1be/0x1e0 drivers/net/netdevsim/health.c:156 Read of size 1 at addr ffff888143b8da5f by task syz-executor820/5861 CPU: 1 UID: 0 PID: 5861 Comm: syz-executor820 Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xc3/0x620 mm/kasan/report.c:489 kasan_report+0xd9/0x110 mm/kasan/report.c:602 nsim_dev_health_break_write+0x1be/0x1e0 drivers/net/netdevsim/health.c:156 full_proxy_write+0xfb/0x1b0 fs/debugfs/file.c:356 vfs_write+0x24c/0x1150 fs/read_write.c:677 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9df4dfc959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc98cb3018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9df4dfc959 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000000f4240 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc98cb3070 R13: 00007f9df4e493fe R14: 0000000000000003 R15: 00007ffc98cb3050 Allocated by task 1: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:901 [inline] usb_control_msg+0xbd/0x4b0 drivers/usb/core/message.c:144 usb_get_descriptor+0xc1/0x1b0 drivers/usb/core/message.c:794 usb_get_configuration+0x3d8/0x55d0 drivers/usb/core/config.c:940 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline] usb_new_device+0x1124/0x1960 drivers/usb/core/hub.c:2621 register_root_hub+0x299/0x730 drivers/usb/core/hcd.c:994 usb_add_hcd+0xa77/0x16a0 drivers/usb/core/hcd.c:2970 vhci_hcd_probe+0x1c2/0x490 drivers/usb/usbip/vhci_hcd.c:1380 platform_probe+0xff/0x1f0 drivers/base/platform.c:1404 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3665 platform_device_add+0x316/0x810 drivers/base/platform.c:716 platform_device_register_full+0x4dc/0x690 drivers/base/platform.c:844 vhci_hcd_init+0x1c7/0x380 drivers/usb/usbip/vhci_hcd.c:1536 do_one_initcall+0x128/0x630 init/main.c:1266 do_initcall_level init/main.c:1328 [inline] do_initcalls init/main.c:1344 [inline] do_basic_setup init/main.c:1363 [inline] kernel_init_freeable+0x58f/0x8b0 init/main.c:1577 kernel_init+0x1c/0x2b0 init/main.c:1466 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 1: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x14f/0x4b0 mm/slub.c:4761 usb_control_msg+0x39e/0x4b0 drivers/usb/core/message.c:160 usb_get_descriptor+0xc1/0x1b0 drivers/usb/core/message.c:794 usb_get_configuration+0x3d8/0x55d0 drivers/usb/core/config.c:940 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline] usb_new_device+0x1124/0x1960 drivers/usb/core/hub.c:2621 register_root_hub+0x299/0x730 drivers/usb/core/hcd.c:994 usb_add_hcd+0xa77/0x16a0 drivers/usb/core/hcd.c:2970 vhci_hcd_probe+0x1c2/0x490 drivers/usb/usbip/vhci_hcd.c:1380 platform_probe+0xff/0x1f0 drivers/base/platform.c:1404 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3665 platform_device_add+0x316/0x810 drivers/base/platform.c:716 platform_device_register_full+0x4dc/0x690 drivers/base/platform.c:844 vhci_hcd_init+0x1c7/0x380 drivers/usb/usbip/vhci_hcd.c:1536 do_one_initcall+0x128/0x630 init/main.c:1266 do_initcall_level init/main.c:1328 [inline] do_initcalls init/main.c:1344 [inline] do_basic_setup init/main.c:1363 [inline] kernel_init_freeable+0x58f/0x8b0 init/main.c:1577 kernel_init+0x1c/0x2b0 init/main.c:1466 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888143b8da40 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 23 bytes to the right of allocated 8-byte region [ffff888143b8da40, ffff888143b8da48) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x143b8d flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 057ff00000000000 ffff88801ac41500 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 10309131020, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab mm/slub.c:2589 [inline] new_slab+0x2c9/0x410 mm/slub.c:2642 ___slab_alloc+0xce2/0x1650 mm/slub.c:3830 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920 __slab_alloc_node mm/slub.c:3995 [inline] slab_alloc_node mm/slub.c:4156 [inline] __kmalloc_cache_noprof+0xf6/0x420 mm/slub.c:4324 kmalloc_noprof include/linux/slab.h:901 [inline] usb_control_msg+0xbd/0x4b0 drivers/usb/core/message.c:144 usb_get_status+0xdc/0x270 drivers/usb/core/message.c:1149 usb_get_std_status include/linux/usb.h:1856 [inline] hub_configure drivers/usb/core/hub.c:1627 [inline] hub_probe+0x1749/0x3200 drivers/usb/core/hub.c:1965 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 page_owner free stack trace missing Memory state around the buggy address: ffff888143b8d900: 06 fc fc fc 06 fc fc fc 07 fc fc fc 06 fc fc fc ffff888143b8d980: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc >ffff888143b8da00: 00 fc fc fc fa fc fc fc fa fc fc fc 01 fc fc fc ^ ffff888143b8da80: fa fc fc fc 00 fc fc fc 00 fc fc fc 06 fc fc fc ffff888143b8db00: 06 fc fc fc 06 fc fc fc 00 fc fc fc fa fc fc fc ==================================================================