Extracting prog: 59.925191968s
Minimizing prog: 4m56.01729592s
Simplifying prog options: 0s
Extracting C: 20.600413192s
Simplifying C: 8m51.819555119s


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$netlink-socket$nl_route-sendmsg$nl_route-socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
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$netlink-socket$nl_route-sendmsg$nl_route-socket$nl_netfilter
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)
socket$nl_netfilter(0x10, 0x3, 0xc)

program did not crash
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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program did not crash
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$netlink-socket$nl_route-socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
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$netlink-socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: BUG: corrupted list in flow_block_cb_setup_simple
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, 0x0, 0x0)

program did not crash
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x104}}, 0x0)

program did not crash
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB], 0x104}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
simplifying C reproducer
testing compiled C program (duration=30s, {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$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
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}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: general protection fault in flow_block_cb_setup_simple
a never seen crash title: general protection fault in flow_block_cb_setup_simple, ignore
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x1400, &(0x7f0000000040)={&(0x7f0000000500)=ANY=[@ANYBLOB="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"], 0x104}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
validation run: crashed=true
reproducing took 16m58.616269525s
repro crashed as (corrupted=false):
==================================================================
==================================================================
BUG: KASAN: slab-use-after-free in flow_block_cb_is_busy net/core/flow_offload.c:326 [inline]
BUG: KASAN: slab-use-after-free in flow_block_cb_setup_simple+0x862/0xa20 net/core/flow_offload.c:351
Read of size 8 at addr ffff888034750720 by task syz.1.650/6654

CPU: 2 UID: 0 PID: 6654 Comm: syz.1.650 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
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
 flow_block_cb_is_busy net/core/flow_offload.c:326 [inline]
 flow_block_cb_setup_simple+0x862/0xa20 net/core/flow_offload.c:351
 nsim_setup_tc+0x1af/0x200 drivers/net/netdevsim/tc.c:87
 nft_block_offload_cmd+0x144/0x2f0 net/netfilter/nf_tables_offload.c:397
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_commit+0x535/0x6a0 net/netfilter/nf_tables_offload.c:584
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4fecb9e1d9
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:00007ffd5e6083f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4fece25fa0 RCX: 00007f4fecb9e1d9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f4fecc35888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4fece25fac R14: 00007f4fece25fa0 R15: 00007f4fece25fa0
 </TASK>

Allocated by task 6652:
 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:409 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 flow_block_cb_alloc net/core/flow_offload.c:265 [inline]
 flow_block_cb_setup_simple+0x57c/0xa20 net/core/flow_offload.c:354
 nsim_setup_tc+0x1af/0x200 drivers/net/netdevsim/tc.c:87
 nft_block_offload_cmd+0x144/0x2f0 net/netfilter/nf_tables_offload.c:397
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_commit+0x535/0x6a0 net/netfilter/nf_tables_offload.c:584
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6652:
 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:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6802
 nft_flow_offload_unbind.isra.0+0x315/0x4c0 net/netfilter/nf_tables_offload.c:344
 nft_block_setup net/netfilter/nf_tables_offload.c:361 [inline]
 nft_block_offload_cmd+0x295/0x2f0 net/netfilter/nf_tables_offload.c:401
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_abort+0x4c7/0x670 net/netfilter/nf_tables_offload.c:532
 nft_flow_rule_offload_commit+0x5ac/0x6a0 net/netfilter/nf_tables_offload.c:620
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888034750700
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 32 bytes inside of
 freed 192-byte region [ffff888034750700, ffff8880347507c0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888034750000 pfn:0x34750
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801d0423c0 ffffea0000a05950 ffffea0000d0d550
raw: ffff888034750000 000000000010000c 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 9751831965
 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:7418
 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]
 __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 call_usermodehelper_setup+0xaf/0x360 kernel/umh.c:360
 kobject_uevent_env+0x17c1/0x18b0 lib/kobject_uevent.c:631
 driver_register+0x29c/0x360 drivers/base/driver.c:182
 __hid_register_driver+0x146/0x1f0 drivers/hid/hid-core.c:3197
 do_one_initcall+0x11c/0x6f0 init/main.c:1362
 do_initcall_level init/main.c:1424 [inline]
 do_initcalls init/main.c:1440 [inline]
 do_basic_setup init/main.c:1460 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1675
 kernel_init+0x21/0x1e0 init/main.c:1565
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888034750600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888034750680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888034750700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                               ^
 ffff888034750780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888034750800: fa 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 flow_block_cb_is_busy net/core/flow_offload.c:326 [inline]
BUG: KASAN: slab-use-after-free in flow_block_cb_setup_simple+0x862/0xa20 net/core/flow_offload.c:351
Read of size 8 at addr ffff888034750720 by task syz.1.650/6654

CPU: 2 UID: 0 PID: 6654 Comm: syz.1.650 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
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
 flow_block_cb_is_busy net/core/flow_offload.c:326 [inline]
 flow_block_cb_setup_simple+0x862/0xa20 net/core/flow_offload.c:351
 nsim_setup_tc+0x1af/0x200 drivers/net/netdevsim/tc.c:87
 nft_block_offload_cmd+0x144/0x2f0 net/netfilter/nf_tables_offload.c:397
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_commit+0x535/0x6a0 net/netfilter/nf_tables_offload.c:584
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4fecb9e1d9
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:00007ffd5e6083f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4fece25fa0 RCX: 00007f4fecb9e1d9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f4fecc35888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4fece25fac R14: 00007f4fece25fa0 R15: 00007f4fece25fa0
 </TASK>

Allocated by task 6652:
 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:409 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 flow_block_cb_alloc net/core/flow_offload.c:265 [inline]
 flow_block_cb_setup_simple+0x57c/0xa20 net/core/flow_offload.c:354
 nsim_setup_tc+0x1af/0x200 drivers/net/netdevsim/tc.c:87
 nft_block_offload_cmd+0x144/0x2f0 net/netfilter/nf_tables_offload.c:397
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_commit+0x535/0x6a0 net/netfilter/nf_tables_offload.c:584
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6652:
 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:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6802
 nft_flow_offload_unbind.isra.0+0x315/0x4c0 net/netfilter/nf_tables_offload.c:344
 nft_block_setup net/netfilter/nf_tables_offload.c:361 [inline]
 nft_block_offload_cmd+0x295/0x2f0 net/netfilter/nf_tables_offload.c:401
 nft_chain_offload_cmd net/netfilter/nf_tables_offload.c:451 [inline]
 nft_flow_block_chain+0x175/0x4b0 net/netfilter/nf_tables_offload.c:471
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_abort+0x4c7/0x670 net/netfilter/nf_tables_offload.c:532
 nft_flow_rule_offload_commit+0x5ac/0x6a0 net/netfilter/nf_tables_offload.c:620
 nf_tables_commit+0xd7b/0x9300 net/netfilter/nf_tables_api.c:11006
 nfnetlink_rcv_batch+0x1a4d/0x2880 net/netfilter/nfnetlink.c:574
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x3bd/0x440 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767
 __sys_sendmsg+0x160/0x210 net/socket.c:2799
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888034750700
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 32 bytes inside of
 freed 192-byte region [ffff888034750700, ffff8880347507c0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888034750000 pfn:0x34750
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801d0423c0 ffffea0000a05950 ffffea0000d0d550
raw: ffff888034750000 000000000010000c 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 9751831965
 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:7418
 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]
 __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 call_usermodehelper_setup+0xaf/0x360 kernel/umh.c:360
 kobject_uevent_env+0x17c1/0x18b0 lib/kobject_uevent.c:631
 driver_register+0x29c/0x360 drivers/base/driver.c:182
 __hid_register_driver+0x146/0x1f0 drivers/hid/hid-core.c:3197
 do_one_initcall+0x11c/0x6f0 init/main.c:1362
 do_initcall_level init/main.c:1424 [inline]
 do_initcalls init/main.c:1440 [inline]
 do_basic_setup init/main.c:1460 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1675
 kernel_init+0x21/0x1e0 init/main.c:1565
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888034750600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888034750680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888034750700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                               ^
 ffff888034750780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888034750800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================