Extracting prog: 1m45.498682751s Minimizing prog: 24m26.682733788s Simplifying prog options: 4m22.931675588s Extracting C: 20.012150174s Simplifying C: 0s extracting reproducer from 37 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-socket$nl_route-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'netdevsim0\x00'}) r3 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r3, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev single: successfully extracted reproducer found reproducer with 13 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-socket$nl_route-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_open_dev$mtd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'netdevsim0\x00'}) syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-socket$nl_route-socketpair$unix-ioctl$sock_SIOCGIFINDEX-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'netdevsim0\x00'}) ioctl$BLKPG(0xffffffffffffffff, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-socket$nl_route-socketpair$unix-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r2, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r2, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-socket$inet_tcp-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) socket$inet_tcp(0x2, 0x1, 0x0) r2 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r2, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000200)={'wlan0\x00'}) r2 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r2, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, r1) r2 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r2, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_generic-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r0 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r0, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r0 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r0, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, 0x0, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000), 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(0x0, 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG program did not crash simplifying guilty program options testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev extracting C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG program did not crash testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev extracting C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG program did not crash testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_genetlink_get_family_id$nl80211-syz_open_dev$mtd-ioctl$BLKPG detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c) write(r0, &(0x7f0000000000)='270', 0x3) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = syz_open_dev$mtd(&(0x7f0000000000), 0x0, 0x2) ioctl$BLKPG(r1, 0x1269, &(0x7f00000000c0)={0x1, 0x3f00, 0x0, &(0x7f0000000100)={0x0, 0x10000, 0x1}}) program crashed: WARNING in add_mtd_blktrans_dev validation run: crashed=true reproducing took 34m5.965687114s repro crashed as (corrupted=false): RBP: 00007fe30c13c888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe30c32cfac R14: 00007fe30c32cfa0 R15: 00007fe30c32cfa0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4323 at block/genhd.c:554 device_add_disk+0x8d6/0xde0 block/genhd.c:552 Modules linked in: CPU: 1 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:device_add_disk+0x8d6/0xde0 block/genhd.c:554 Code: 04 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 8f 03 00 00 8b 33 48 c7 c7 00 f4 70 8d e8 b1 3d 37 00 eb 05 e8 ea 04 a6 fd <0f> 0b 41 bd 01 00 00 00 44 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc90002f4f470 EFLAGS: 00010293 RAX: ffffffff83d31e76 RBX: ffff888024c1d400 RCX: ffff8880280e1dc0 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103 RBP: 000000000000001f R08: ffff88807d7e01db R09: 1ffff1100fafc03b R10: dffffc0000000000 R11: ffffed100fafc03c R12: ffff888145ebd280 R13: ffff888024c1d550 R14: dffffc0000000000 R15: ffff888145ebd280 FS: 0000555572367500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5c78e7b60 CR3: 0000000073d0a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: add_mtd_blktrans_dev+0xfb1/0x13f0 drivers/mtd/mtd_blkdevs.c:387 mtdblock_add_mtd+0x186/0x240 drivers/mtd/mtdblock.c:333 blktrans_notify_add+0x95/0xe0 drivers/mtd/mtd_blkdevs.c:464 add_mtd_device+0xd40/0x1260 drivers/mtd/mtdcore.c:693 mtd_add_partition+0x25d/0x420 drivers/mtd/mtdpart.c:273 mtdchar_blkpg_ioctl+0x283/0x2b0 drivers/mtd/mtdchar.c:562 mtdchar_ioctl+0x14cb/0x1d70 drivers/mtd/mtdchar.c:1010 mtdchar_unlocked_ioctl+0xad/0xd0 drivers/mtd/mtdchar.c:1033 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe30c0a51d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffee53a23e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe30c32cfa0 RCX: 00007fe30c0a51d9 RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000005 RBP: 00007fe30c13c888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe30c32cfac R14: 00007fe30c32cfa0 R15: 00007fe30c32cfa0 final repro crashed as (corrupted=false): RBP: 00007fe30c13c888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe30c32cfac R14: 00007fe30c32cfa0 R15: 00007fe30c32cfa0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4323 at block/genhd.c:554 device_add_disk+0x8d6/0xde0 block/genhd.c:552 Modules linked in: CPU: 1 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:device_add_disk+0x8d6/0xde0 block/genhd.c:554 Code: 04 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 8f 03 00 00 8b 33 48 c7 c7 00 f4 70 8d e8 b1 3d 37 00 eb 05 e8 ea 04 a6 fd <0f> 0b 41 bd 01 00 00 00 44 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc90002f4f470 EFLAGS: 00010293 RAX: ffffffff83d31e76 RBX: ffff888024c1d400 RCX: ffff8880280e1dc0 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103 RBP: 000000000000001f R08: ffff88807d7e01db R09: 1ffff1100fafc03b R10: dffffc0000000000 R11: ffffed100fafc03c R12: ffff888145ebd280 R13: ffff888024c1d550 R14: dffffc0000000000 R15: ffff888145ebd280 FS: 0000555572367500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5c78e7b60 CR3: 0000000073d0a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: add_mtd_blktrans_dev+0xfb1/0x13f0 drivers/mtd/mtd_blkdevs.c:387 mtdblock_add_mtd+0x186/0x240 drivers/mtd/mtdblock.c:333 blktrans_notify_add+0x95/0xe0 drivers/mtd/mtd_blkdevs.c:464 add_mtd_device+0xd40/0x1260 drivers/mtd/mtdcore.c:693 mtd_add_partition+0x25d/0x420 drivers/mtd/mtdpart.c:273 mtdchar_blkpg_ioctl+0x283/0x2b0 drivers/mtd/mtdchar.c:562 mtdchar_ioctl+0x14cb/0x1d70 drivers/mtd/mtdchar.c:1010 mtdchar_unlocked_ioctl+0xad/0xd0 drivers/mtd/mtdchar.c:1033 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe30c0a51d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffee53a23e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe30c32cfa0 RCX: 00007fe30c0a51d9 RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000005 RBP: 00007fe30c13c888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe30c32cfac R14: 00007fe30c32cfa0 R15: 00007fe30c32cfa0