Extracting prog: 2m17.453986674s
Minimizing prog: 36m38.708013666s
Simplifying prog options: 3m30.854125427s
Extracting C: 27.939342519s
Simplifying C: 0s


extracting reproducer from 30 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-syz_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD_XDP-bpf$MAP_CREATE_CONST_STR-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = socket(0x2, 0x2, 0x1)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000540)={0x6, 0x3, &(0x7f0000000600)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}}, &(0x7f0000000640)='syzkaller\x00', 0x5, 0x0, 0x0, 0x40f00, 0x40, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xff}, 0x94)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000680)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0, 0x0, 0x5}, 0x50)
r4 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r4, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in add_mtd_blktrans_dev
single: successfully extracted reproducer
found reproducer with 16 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-syz_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD_XDP-bpf$MAP_CREATE_CONST_STR-syz_open_dev$mtd
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = socket(0x2, 0x2, 0x1)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000540)={0x6, 0x3, &(0x7f0000000600)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}}, &(0x7f0000000640)='syzkaller\x00', 0x5, 0x0, 0x0, 0x40f00, 0x40, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xff}, 0x94)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000680)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0, 0x0, 0x5}, 0x50)
syz_open_dev$mtd(&(0x7f0000000980), 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-syz_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD_XDP-bpf$MAP_CREATE_CONST_STR-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = socket(0x2, 0x2, 0x1)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000540)={0x6, 0x3, &(0x7f0000000600)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}}, &(0x7f0000000640)='syzkaller\x00', 0x5, 0x0, 0x0, 0x40f00, 0x40, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xff}, 0x94)
bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000680)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0x0, 0x0, 0x5}, 0x50)
ioctl$BLKPG(0xffffffffffffffff, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-syz_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD_XDP-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = socket(0x2, 0x2, 0x1)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000540)={0x6, 0x3, &(0x7f0000000600)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}}, &(0x7f0000000640)='syzkaller\x00', 0x5, 0x0, 0x0, 0x40f00, 0x40, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xff}, 0x94)
r4 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r4, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-ioctl$sock_SIOCGIFINDEX-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = socket(0x2, 0x2, 0x1)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0)
r4 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r4, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-socket-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
socket(0x2, 0x2, 0x1)
r3 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r3, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in corrupted
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_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-mmap-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x12, r2, 0x2760c000)
r3 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r3, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-openat$vimc2-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
openat$vimc2(0xffffff9c, &(0x7f0000000380), 0x2, 0x0)
r2 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r2, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-write-syz_ublk_setup_io_uring-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r2 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r2, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-write-syz_ublk_setup_io_uring-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
syz_ublk_setup_io_uring(0x3a07, 0x0, 0x0, 0x0, 0x0)
r2 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r2, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-syz_open_procfs-preadv-write-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r1 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r1, &(0x7f0000000280), 0x0, 0x4f, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r2 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r2, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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_open_procfs-preadv-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
r0 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r0, &(0x7f0000000280), 0x0, 0x4f, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-syz_open_procfs-write-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
syz_open_procfs(0xffffffffffffffff, 0x0)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-write-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r0 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r0, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100), 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(0x0, 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={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$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in add_mtd_blktrans_dev
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
program did not crash
testing program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in add_mtd_blktrans_dev
validation run: crashed=true
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in add_mtd_blktrans_dev
validation run: crashed=true
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true 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-socket$nl_route-syz_open_dev$mtd-ioctl$BLKPG
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x12c)
write(r0, &(0x7f0000000100)='270', 0x3)
socket$nl_route(0x10, 0x3, 0x0)
r1 = syz_open_dev$mtd(&(0x7f0000000980), 0x0, 0x2)
ioctl$BLKPG(r1, 0x1269, &(0x7f00000009c0)={0x1, 0x0, 0x0, &(0x7f0000000a00)={0x0, 0x10000, 0x1}})

program crashed: WARNING in add_mtd_blktrans_dev
validation run: crashed=true
reproducing took 57m48.759974163s
repro crashed as (corrupted=false):
RDX: 00002000000009c0 RSI: 0000000000001269 RDI: 0000000000000005
RBP: 00007f958bc4d8b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f958be3e038 R14: 00007f958be3dfa0 R15: 00007ffd60153cf8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4400 at block/genhd.c:554 device_add_disk+0x8d6/0xde0 block/genhd.c:552
Modules linked in:
CPU: 1 PID: 4400 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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:ffffc900031cf470 EFLAGS: 00010293
RAX: ffffffff83d31e76 RBX: ffff88801f4dfc00 RCX: ffff88801e46d940
RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103
RBP: 000000000000001f R08: ffff8880745961db R09: 1ffff1100e8b2c3b
R10: dffffc0000000000 R11: ffffed100e8b2c3c R12: ffff8881476b17c0
R13: ffff88801f4dfd50 R14: dffffc0000000000 R15: ffff8881476b17c0
FS:  00007f958b2166c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d36643b60 CR3: 0000000020a34000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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: 0033:0x7f958bbb6559
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:00007f958b216028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f958be3dfa0 RCX: 00007f958bbb6559
RDX: 00002000000009c0 RSI: 0000000000001269 RDI: 0000000000000005
RBP: 00007f958bc4d8b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f958be3e038 R14: 00007f958be3dfa0 R15: 00007ffd60153cf8
 </TASK>

final repro crashed as (corrupted=false):
RDX: 00002000000009c0 RSI: 0000000000001269 RDI: 0000000000000005
RBP: 00007f958bc4d8b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f958be3e038 R14: 00007f958be3dfa0 R15: 00007ffd60153cf8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4400 at block/genhd.c:554 device_add_disk+0x8d6/0xde0 block/genhd.c:552
Modules linked in:
CPU: 1 PID: 4400 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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:ffffc900031cf470 EFLAGS: 00010293
RAX: ffffffff83d31e76 RBX: ffff88801f4dfc00 RCX: ffff88801e46d940
RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103
RBP: 000000000000001f R08: ffff8880745961db R09: 1ffff1100e8b2c3b
R10: dffffc0000000000 R11: ffffed100e8b2c3c R12: ffff8881476b17c0
R13: ffff88801f4dfd50 R14: dffffc0000000000 R15: ffff8881476b17c0
FS:  00007f958b2166c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d36643b60 CR3: 0000000020a34000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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: 0033:0x7f958bbb6559
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:00007f958b216028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f958be3dfa0 RCX: 00007f958bbb6559
RDX: 00002000000009c0 RSI: 0000000000001269 RDI: 0000000000000005
RBP: 00007f958bc4d8b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f958be3e038 R14: 00007f958be3dfa0 R15: 00007ffd60153cf8
 </TASK>