Extracting prog: 2m26.125732163s
Minimizing prog: 17m8.026034732s
Simplifying prog options: 5m42.230069654s
Extracting C: 2m21.578304782s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-ioctl$TUNSETIFF-socket$inet-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socket$inet(0x2, 0x2, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-ioctl$TUNSETIFF-socket$inet-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socket$inet(0x2, 0x2, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-ioctl$TUNSETIFF-socket$inet-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socket$inet(0x2, 0x2, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-ioctl$TUNSETIFF-socket$inet-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x14)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socket$inet(0x2, 0x2, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-ioctl$TUNSETIFF-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, 0x0, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
program did not crash
simplifying guilty program options
testing program (duration=2m13.404082594s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
extracting C reproducer
testing compiled C program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
program did not crash
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m13.404082594s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): socket$netlink-sendmsg$RDMA_NLDEV_CMD_NEWLINK-ioctl$XFS_IOC_PATH_TO_HANDLE
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)
ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
reproducing took 42m56.809183367s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
BUG: KASAN: slab-use-after-free in netdev_lock_ops include/net/netdev_lock.h:41 [inline]
BUG: KASAN: slab-use-after-free in __ethtool_get_link_ksettings+0x25a/0x2a0 net/ethtool/ioctl.c:463
Read of size 1 at addr ffff88800e9d2e09 by task kworker/2:3/5468

CPU: 2 UID: 0 PID: 5468 Comm: kworker/2:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events smc_ib_port_event_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
 netdev_lock_ops include/net/netdev_lock.h:41 [inline]
 __ethtool_get_link_ksettings+0x25a/0x2a0 net/ethtool/ioctl.c:463
 netif_get_link_ksettings+0x1f2/0x360 net/ethtool/ioctl.c:451
 __ethtool_get_link_ksettings+0xcf/0x2a0 net/ethtool/ioctl.c:464
 ib_get_eth_speed+0x13a/0xb40 drivers/infiniband/core/verbs.c:2061
 rxe_query_port+0x12a/0x330 drivers/infiniband/sw/rxe/rxe_verbs.c:56
 __ib_query_port drivers/infiniband/core/device.c:2304 [inline]
 ib_query_port drivers/infiniband/core/device.c:2336 [inline]
 ib_query_port+0x445/0x8b0 drivers/infiniband/core/device.c:2326
 smc_ib_remember_port_attr net/smc/smc_ib.c:364 [inline]
 smc_ib_port_event_work+0x14c/0xbd0 net/smc/smc_ib.c:388
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 5893:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5414 [inline]
 __kvmalloc_node_noprof+0x35b/0x9b0 mm/slub.c:7005
 alloc_netdev_mqs+0xd7/0x15c0 net/core/dev.c:12117
 rtnl_create_link+0xc13/0xf80 net/core/rtnetlink.c:3777
 rtnl_newlink_create net/core/rtnetlink.c:3959 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4098 [inline]
 rtnl_newlink+0x15bc/0x2620 net/core/rtnetlink.c:4215
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7132
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2281
 __do_compat_sys_socketcall net/compat.c:474 [inline]
 __se_compat_sys_socketcall net/compat.c:422 [inline]
 __ia32_compat_sys_socketcall+0x59a/0x770 net/compat.c:422
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 do_int80_emulation+0x166/0x650 arch/x86/entry/syscall_32.c:166
 asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598

Freed by task 5607:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6499 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6792
 device_release+0xd2/0x270 drivers/base/core.c:2640
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1f7/0x640 lib/kobject.c:737
 netdev_run_todo+0xa10/0x1600 net/core/dev.c:11818
 default_device_exit_batch+0x6cb/0x890 net/core/dev.c:13290
 ops_exit_list net/core/net_namespace.c:206 [inline]
 ops_undo_list+0x363/0xab0 net/core/net_namespace.c:253
 cleanup_net+0x499/0x920 net/core/net_namespace.c:706
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff88800e9d2000
 which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 3593 bytes inside of
 freed 4096-byte region [ffff88800e9d2000, ffff88800e9d3000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe9d0
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88800e9d1011
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801c04c280 dead000000000100 dead000000000122
raw: 0000000000000000 0000000300040004 00000000f5000000 ffff88800e9d1011
head: 00fff00000000040 ffff88801c04c280 dead000000000100 dead000000000122
head: 0000000000000000 0000000300040004 00000000f5000000 ffff88800e9d1011
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5893, tgid 5893 (syz-executor), ts 154975802470
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7410
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __do_kmalloc_node mm/slub.c:5413 [inline]
 __kvmalloc_node_noprof+0x7bb/0x9b0 mm/slub.c:7005
 alloc_netdev_mqs+0xd7/0x15c0 net/core/dev.c:12117
 rtnl_create_link+0xc13/0xf80 net/core/rtnetlink.c:3777
 rtnl_newlink_create net/core/rtnetlink.c:3959 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4098 [inline]
 rtnl_newlink+0x15bc/0x2620 net/core/rtnetlink.c:4215
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7132
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2281
 __do_compat_sys_socketcall net/compat.c:474 [inline]
 __se_compat_sys_socketcall net/compat.c:422 [inline]
 __ia32_compat_sys_socketcall+0x59a/0x770 net/compat.c:422
page last free pid 47 tgid 47 ts 152631228006 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 __folio_put+0x3b4/0x5f0 mm/folio.c:105
 folio_put include/linux/mm.h:2160 [inline]
 migrate_folio_done+0x3a9/0x4c0 mm/migrate.c:1209
 migrate_folio_move mm/migrate.c:1440 [inline]
 migrate_folios_move mm/migrate.c:1749 [inline]
 migrate_pages_batch+0x2895/0x4680 mm/migrate.c:2005
 migrate_pages_sync+0x12c/0x880 mm/migrate.c:2035
 migrate_pages+0x1a83/0x2850 mm/migrate.c:2144
 compact_zone+0x2643/0x4640 mm/compaction.c:2698
 compact_node+0x17f/0x2c0 mm/compaction.c:2945
 kcompactd+0x724/0xde0 mm/compaction.c:3243
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff88800e9d2d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88800e9d2d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88800e9d2e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff88800e9d2e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88800e9d2f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
BUG: KASAN: slab-use-after-free in netdev_lock_ops include/net/netdev_lock.h:41 [inline]
BUG: KASAN: slab-use-after-free in __ethtool_get_link_ksettings+0x25a/0x2a0 net/ethtool/ioctl.c:463
Read of size 1 at addr ffff88800e9d2e09 by task kworker/2:3/5468

CPU: 2 UID: 0 PID: 5468 Comm: kworker/2:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events smc_ib_port_event_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 netdev_need_ops_lock include/net/netdev_lock.h:30 [inline]
 netdev_lock_ops include/net/netdev_lock.h:41 [inline]
 __ethtool_get_link_ksettings+0x25a/0x2a0 net/ethtool/ioctl.c:463
 netif_get_link_ksettings+0x1f2/0x360 net/ethtool/ioctl.c:451
 __ethtool_get_link_ksettings+0xcf/0x2a0 net/ethtool/ioctl.c:464
 ib_get_eth_speed+0x13a/0xb40 drivers/infiniband/core/verbs.c:2061
 rxe_query_port+0x12a/0x330 drivers/infiniband/sw/rxe/rxe_verbs.c:56
 __ib_query_port drivers/infiniband/core/device.c:2304 [inline]
 ib_query_port drivers/infiniband/core/device.c:2336 [inline]
 ib_query_port+0x445/0x8b0 drivers/infiniband/core/device.c:2326
 smc_ib_remember_port_attr net/smc/smc_ib.c:364 [inline]
 smc_ib_port_event_work+0x14c/0xbd0 net/smc/smc_ib.c:388
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 5893:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5414 [inline]
 __kvmalloc_node_noprof+0x35b/0x9b0 mm/slub.c:7005
 alloc_netdev_mqs+0xd7/0x15c0 net/core/dev.c:12117
 rtnl_create_link+0xc13/0xf80 net/core/rtnetlink.c:3777
 rtnl_newlink_create net/core/rtnetlink.c:3959 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4098 [inline]
 rtnl_newlink+0x15bc/0x2620 net/core/rtnetlink.c:4215
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7132
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2281
 __do_compat_sys_socketcall net/compat.c:474 [inline]
 __se_compat_sys_socketcall net/compat.c:422 [inline]
 __ia32_compat_sys_socketcall+0x59a/0x770 net/compat.c:422
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 do_int80_emulation+0x166/0x650 arch/x86/entry/syscall_32.c:166
 asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598

Freed by task 5607:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6499 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6792
 device_release+0xd2/0x270 drivers/base/core.c:2640
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1f7/0x640 lib/kobject.c:737
 netdev_run_todo+0xa10/0x1600 net/core/dev.c:11818
 default_device_exit_batch+0x6cb/0x890 net/core/dev.c:13290
 ops_exit_list net/core/net_namespace.c:206 [inline]
 ops_undo_list+0x363/0xab0 net/core/net_namespace.c:253
 cleanup_net+0x499/0x920 net/core/net_namespace.c:706
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff88800e9d2000
 which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 3593 bytes inside of
 freed 4096-byte region [ffff88800e9d2000, ffff88800e9d3000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe9d0
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88800e9d1011
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801c04c280 dead000000000100 dead000000000122
raw: 0000000000000000 0000000300040004 00000000f5000000 ffff88800e9d1011
head: 00fff00000000040 ffff88801c04c280 dead000000000100 dead000000000122
head: 0000000000000000 0000000300040004 00000000f5000000 ffff88800e9d1011
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5893, tgid 5893 (syz-executor), ts 154975802470
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7410
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __do_kmalloc_node mm/slub.c:5413 [inline]
 __kvmalloc_node_noprof+0x7bb/0x9b0 mm/slub.c:7005
 alloc_netdev_mqs+0xd7/0x15c0 net/core/dev.c:12117
 rtnl_create_link+0xc13/0xf80 net/core/rtnetlink.c:3777
 rtnl_newlink_create net/core/rtnetlink.c:3959 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4098 [inline]
 rtnl_newlink+0x15bc/0x2620 net/core/rtnetlink.c:4215
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7132
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2281
 __do_compat_sys_socketcall net/compat.c:474 [inline]
 __se_compat_sys_socketcall net/compat.c:422 [inline]
 __ia32_compat_sys_socketcall+0x59a/0x770 net/compat.c:422
page last free pid 47 tgid 47 ts 152631228006 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 __folio_put+0x3b4/0x5f0 mm/folio.c:105
 folio_put include/linux/mm.h:2160 [inline]
 migrate_folio_done+0x3a9/0x4c0 mm/migrate.c:1209
 migrate_folio_move mm/migrate.c:1440 [inline]
 migrate_folios_move mm/migrate.c:1749 [inline]
 migrate_pages_batch+0x2895/0x4680 mm/migrate.c:2005
 migrate_pages_sync+0x12c/0x880 mm/migrate.c:2035
 migrate_pages+0x1a83/0x2850 mm/migrate.c:2144
 compact_zone+0x2643/0x4640 mm/compaction.c:2698
 compact_node+0x17f/0x2c0 mm/compaction.c:2945
 kcompactd+0x724/0xde0 mm/compaction.c:3243
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff88800e9d2d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88800e9d2d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88800e9d2e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff88800e9d2e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88800e9d2f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================