Extracting prog: 1m2.163814462s Minimizing prog: 10m58.755877527s Simplifying prog options: 0s Extracting C: 24.605393063s Simplifying C: 8m31.357894795s 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-setsockopt$IP_VS_SO_SET_ADD-setsockopt$IP_VS_SO_SET_ADDDEST-socket$nl_netfilter-sendmsg$NFT_BATCH-connect detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(0xffffffffffffffff, 0x0, 0x487, 0x0, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 0x104}}, 0x0) connect(0xffffffffffffffff, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple single: successfully extracted reproducer found reproducer with 14 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-setsockopt$IP_VS_SO_SET_ADD-setsockopt$IP_VS_SO_SET_ADDDEST-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(0xffffffffffffffff, 0x0, 0x487, 0x0, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-setsockopt$IP_VS_SO_SET_ADD-setsockopt$IP_VS_SO_SET_ADDDEST-socket$nl_netfilter detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(0xffffffffffffffff, 0x0, 0x487, 0x0, 0x0) socket$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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-setsockopt$IP_VS_SO_SET_ADD-setsockopt$IP_VS_SO_SET_ADDDEST-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(0xffffffffffffffff, 0x0, 0x487, 0x0, 0x0) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-setsockopt$IP_VS_SO_SET_ADD-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-listen-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) listen(0xffffffffffffffff, 0x5) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-fcntl$addseals-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) fcntl$addseals(0xffffffffffffffff, 0x409, 0x20) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 0x104}}, 0x0) program crashed: general protection fault 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) sendmsg$NL802154_CMD_SET_WPAN_PHY_NETNS(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x40000) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-ioctl$sock_SIOCGIFINDEX_802154-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl802154(0x0, r0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-syz_init_net_socket$nl_generic-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): mmap-madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0xb, 0x2012, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) 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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) 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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) 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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH program crashed: BUG: corrupted list 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}}): madvise-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: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}}): madvise-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}}): madvise-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}}): madvise-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}}): madvise-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: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}}): madvise-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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-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: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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 0x104}}, 0x0) program crashed: BUG: corrupted list 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: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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 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: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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 0x104}}, 0x0) program did not crash validation run: crashed=false 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: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}}): madvise-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a20000000000a010400000000000000000500000a0900010073797a30000000005c000000030a010400000000000000000500000a0900010073797a30000000000900030073797a30000000002800048008000140000000000800024000000001140003006e657464657673696d3000000000000008000a400000000260000000060a010400000000000000000500000a0900010073797a30000000000900020073797a300000000034000480300001800e000100696d6d6564696174650000001c0002800800014000000000100002800c000280080001800000000114000000110001"], 0x104}}, 0x0) program crashed: KASAN: slab-use-after-free Read in flow_block_cb_setup_simple validation run: crashed=true reproducing took 23m29.963030149s 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 ffff888026e2c420 by task syz.0.982/7099 CPU: 3 UID: 0 PID: 7099 Comm: syz.0.982 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: __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:88 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f85fbc Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000ffd4ac4c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000800000c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 7100: 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:5680 _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:88 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Freed by task 7100: 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:2780 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x22b/0x6d0 mm/slub.c:6923 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e The buggy address belongs to the object at ffff888026e2c400 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 32 bytes inside of freed 192-byte region [ffff888026e2c400, ffff888026e2c4c0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26e2c flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801d4423c0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 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 7626723072 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x112f/0x3640 mm/page_alloc.c:3940 __alloc_frozen_pages_noprof+0x2ad/0x31e0 mm/page_alloc.c:5464 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab mm/slub.c:3499 [inline] new_slab+0xb1/0x6d0 mm/slub.c:3550 refill_objects+0xe3/0x410 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811 alloc_from_pcs mm/slub.c:4887 [inline] slab_alloc_node mm/slub.c:5021 [inline] __kmalloc_cache_noprof+0x4ef/0x6d0 mm/slub.c:5676 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [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:86 blocking_notifier_call_chain kernel/notifier.c:485 [inline] blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:473 bus_notify+0x56/0x80 drivers/base/bus.c:1136 device_add+0x1169/0x1970 drivers/base/core.c:3743 platform_device_add+0x35a/0x800 drivers/base/platform.c:834 page last free pid 1 tgid 1 ts 7441737622 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1403 [inline] __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2957 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:361 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4720 [inline] slab_alloc_node mm/slub.c:5033 [inline] __kmalloc_cache_noprof+0x278/0x6d0 mm/slub.c:5676 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] device_private_init drivers/base/core.c:3608 [inline] device_add+0xd3f/0x1970 drivers/base/core.c:3659 usb_hub_create_port_device+0x3c6/0xe60 drivers/usb/core/port.c:786 hub_configure drivers/usb/core/hub.c:1744 [inline] hub_probe.cold+0x2974/0x2ed9 drivers/usb/core/hub.c:2011 usb_probe_interface+0x386/0x980 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:629 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:707 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1027 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4c0 drivers/base/dd.c:1131 device_initial_probe+0xaf/0xf0 drivers/base/dd.c:1190 Memory state around the buggy address: ffff888026e2c300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888026e2c380: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888026e2c400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888026e2c480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888026e2c500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== ---------------- Code disassembly (best guess): 0: d2 74 05 c1 shlb %cl,-0x3f(%rbp,%rax,1) 4: e8 0c 89 02 8b call 0x8b028915 9: 5d pop %rbp a: fc cld b: 31 c0 xor %eax,%eax d: c9 leave e: c3 ret f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 0f 1f 00 nopl (%rax) 21: 51 push %rcx 22: 52 push %rdx 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 36: 00 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 3e: 58 pop %rax 3f: b8 .byte 0xb8 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 ffff888026e2c420 by task syz.0.982/7099 CPU: 3 UID: 0 PID: 7099 Comm: syz.0.982 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: __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:88 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f85fbc Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000ffd4ac4c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000800000c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 7100: 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:5680 _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:88 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Freed by task 7100: 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:2780 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x22b/0x6d0 mm/slub.c:6923 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:11040 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:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e The buggy address belongs to the object at ffff888026e2c400 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 32 bytes inside of freed 192-byte region [ffff888026e2c400, ffff888026e2c4c0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26e2c flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801d4423c0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 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 7626723072 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x112f/0x3640 mm/page_alloc.c:3940 __alloc_frozen_pages_noprof+0x2ad/0x31e0 mm/page_alloc.c:5464 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab mm/slub.c:3499 [inline] new_slab+0xb1/0x6d0 mm/slub.c:3550 refill_objects+0xe3/0x410 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811 alloc_from_pcs mm/slub.c:4887 [inline] slab_alloc_node mm/slub.c:5021 [inline] __kmalloc_cache_noprof+0x4ef/0x6d0 mm/slub.c:5676 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [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:86 blocking_notifier_call_chain kernel/notifier.c:485 [inline] blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:473 bus_notify+0x56/0x80 drivers/base/bus.c:1136 device_add+0x1169/0x1970 drivers/base/core.c:3743 platform_device_add+0x35a/0x800 drivers/base/platform.c:834 page last free pid 1 tgid 1 ts 7441737622 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1403 [inline] __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2957 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:361 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4720 [inline] slab_alloc_node mm/slub.c:5033 [inline] __kmalloc_cache_noprof+0x278/0x6d0 mm/slub.c:5676 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] device_private_init drivers/base/core.c:3608 [inline] device_add+0xd3f/0x1970 drivers/base/core.c:3659 usb_hub_create_port_device+0x3c6/0xe60 drivers/usb/core/port.c:786 hub_configure drivers/usb/core/hub.c:1744 [inline] hub_probe.cold+0x2974/0x2ed9 drivers/usb/core/hub.c:2011 usb_probe_interface+0x386/0x980 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:629 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:707 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1027 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4c0 drivers/base/dd.c:1131 device_initial_probe+0xaf/0xf0 drivers/base/dd.c:1190 Memory state around the buggy address: ffff888026e2c300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888026e2c380: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888026e2c400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888026e2c480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888026e2c500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== ---------------- Code disassembly (best guess): 0: d2 74 05 c1 shlb %cl,-0x3f(%rbp,%rax,1) 4: e8 0c 89 02 8b call 0x8b028915 9: 5d pop %rbp a: fc cld b: 31 c0 xor %eax,%eax d: c9 leave e: c3 ret f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 0f 1f 00 nopl (%rax) 21: 51 push %rcx 22: 52 push %rdx 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 36: 00 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 3e: 58 pop %rax 3f: b8 .byte 0xb8