Extracting prog: 1m33.504993404s
Minimizing prog: 10m21.420497677s
Simplifying prog options: 0s
Extracting C: 30.01841456s
Simplifying C: 12m10.436862871s


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$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-socket$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing program (duration=39.881626476s, {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, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)

program did not crash
testing program (duration=39.881626476s, {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, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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$NFT_BATCH-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, 0x0, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={0x0, 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, 0x0, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={0x0, 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
testing program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program did not crash
extracting C reproducer
testing compiled C program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
simplifying C reproducer
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {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-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program did not crash
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing compiled C program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
program crashed: BUG: corrupted list in flow_block_cb_setup_simple
testing program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program crashed: BUG: corrupted list in flow_block_cb_setup_simple
validation run: crashed=true
testing program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program crashed: BUG: corrupted list in flow_block_cb_setup_simple
validation run: crashed=true
testing program (duration=39.881626476s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000600)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a01010000000000000000050000000900010073797a300000000064000000030a01030000000000000000050000000900010073797a30000000000900030073797a300000000008000a40000000032800048008000240000000120800014000000000140003006e657464657673696d30000000000000080000000000000014000000110001"], 0xac}, 0x1, 0x0, 0x0, 0x4008855}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000bc0)=ANY=[@ANYBLOB="14000000100001f500000000000000000100000a14000000020a497f75241d4e1deb00000500000614000000110001"], 0x3c}, 0x1, 0x0, 0x0, 0x2004c040}, 0xc050)

program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple
validation run: crashed=true
reproducing took 27m13.152486674s
repro crashed as (corrupted=false):
 slab kmalloc-192 start ffff88802e5afc00 pointer offset 0 size 192
==================================================================
BUG: KASAN: slab-use-after-free in __list_del_entry_valid_or_report+0x1c8/0x1d0 lib/list_debug.c:62
Read of size 8 at addr ffff88802e5afc00 by task syz.1.370/6402

CPU: 2 UID: 0 PID: 6402 Comm: syz.1.370 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
 __list_del_entry_valid_or_report+0x1c8/0x1d0 lib/list_debug.c:62
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:246 [inline]
 list_del include/linux/list.h:260 [inline]
 flow_block_cb_setup_simple+0x36e/0xa20 net/core/flow_offload.c:367
 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+0x181/0x6a0 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f504619de59
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:00007fff2b31bd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5046425fa0 RCX: 00007f504619de59
RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003
RBP: 00007f5046233e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5046425fac R14: 00007f5046425fa0 R15: 00007f5046425fa0
 </TASK>

Allocated by task 6403:
 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]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5515
 _kmalloc_noprof include/linux/slab.h:969 [inline]
 _kzalloc_noprof include/linux/slab.h:1290 [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+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6403:
 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:2705 [inline]
 slab_free mm/slub.c:6405 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6720
 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_commit+0x181/0x6a0 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e5afc00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes inside of
 freed 192-byte region [ffff88802e5afc00, ffff88802e5afcc0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e5af
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801bc423c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 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 18507509105, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3294 [inline]
 allocate_slab mm/slub.c:3408 [inline]
 new_slab+0xa2/0x650 mm/slub.c:3454
 refill_objects+0xe3/0x410 mm/slub.c:7338
 refill_sheaf mm/slub.c:2832 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4703
 alloc_from_pcs mm/slub.c:4801 [inline]
 slab_alloc_node mm/slub.c:4933 [inline]
 __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5511
 _kmalloc_noprof include/linux/slab.h:969 [inline]
 _kzalloc_noprof include/linux/slab.h:1290 [inline]
 dev_iommu_get+0x10c/0x1a0 drivers/iommu/iommu.c:408
 iommu_init_device drivers/iommu/iommu.c:476 [inline]
 __iommu_probe_device+0x122/0x1550 drivers/iommu/iommu.c:646
 iommu_probe_device+0x28/0x130 drivers/iommu/iommu.c:715
 iommu_bus_notifier drivers/iommu/iommu.c:1823 [inline]
 iommu_bus_notifier+0x5b/0x110 drivers/iommu/iommu.c:1815
 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85
 blocking_notifier_call_chain kernel/notifier.c:380 [inline]
 blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
 bus_notify+0x56/0x80 drivers/base/bus.c:1086
 device_add+0x1169/0x1970 drivers/base/core.c:3737
 platform_device_add+0x35a/0x800 drivers/base/platform.c:762
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802e5afb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802e5afb80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88802e5afc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88802e5afc80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88802e5afd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================

final repro crashed as (corrupted=false):
 slab kmalloc-192 start ffff88802e5afc00 pointer offset 0 size 192
==================================================================
BUG: KASAN: slab-use-after-free in __list_del_entry_valid_or_report+0x1c8/0x1d0 lib/list_debug.c:62
Read of size 8 at addr ffff88802e5afc00 by task syz.1.370/6402

CPU: 2 UID: 0 PID: 6402 Comm: syz.1.370 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
 __list_del_entry_valid_or_report+0x1c8/0x1d0 lib/list_debug.c:62
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:246 [inline]
 list_del include/linux/list.h:260 [inline]
 flow_block_cb_setup_simple+0x36e/0xa20 net/core/flow_offload.c:367
 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+0x181/0x6a0 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f504619de59
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:00007fff2b31bd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5046425fa0 RCX: 00007f504619de59
RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003
RBP: 00007f5046233e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5046425fac R14: 00007f5046425fa0 R15: 00007f5046425fa0
 </TASK>

Allocated by task 6403:
 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]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5515
 _kmalloc_noprof include/linux/slab.h:969 [inline]
 _kzalloc_noprof include/linux/slab.h:1290 [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+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6403:
 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:2705 [inline]
 slab_free mm/slub.c:6405 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6720
 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_commit+0x181/0x6a0 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x5f0/0x92e0 net/netfilter/nf_tables_api.c:10926
 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: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:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e5afc00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes inside of
 freed 192-byte region [ffff88802e5afc00, ffff88802e5afcc0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e5af
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801bc423c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 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 18507509105, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3294 [inline]
 allocate_slab mm/slub.c:3408 [inline]
 new_slab+0xa2/0x650 mm/slub.c:3454
 refill_objects+0xe3/0x410 mm/slub.c:7338
 refill_sheaf mm/slub.c:2832 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4703
 alloc_from_pcs mm/slub.c:4801 [inline]
 slab_alloc_node mm/slub.c:4933 [inline]
 __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5511
 _kmalloc_noprof include/linux/slab.h:969 [inline]
 _kzalloc_noprof include/linux/slab.h:1290 [inline]
 dev_iommu_get+0x10c/0x1a0 drivers/iommu/iommu.c:408
 iommu_init_device drivers/iommu/iommu.c:476 [inline]
 __iommu_probe_device+0x122/0x1550 drivers/iommu/iommu.c:646
 iommu_probe_device+0x28/0x130 drivers/iommu/iommu.c:715
 iommu_bus_notifier drivers/iommu/iommu.c:1823 [inline]
 iommu_bus_notifier+0x5b/0x110 drivers/iommu/iommu.c:1815
 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85
 blocking_notifier_call_chain kernel/notifier.c:380 [inline]
 blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
 bus_notify+0x56/0x80 drivers/base/bus.c:1086
 device_add+0x1169/0x1970 drivers/base/core.c:3737
 platform_device_add+0x35a/0x800 drivers/base/platform.c:762
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802e5afb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802e5afb80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88802e5afc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88802e5afc80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88802e5afd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================