Extracting prog: 2m51.906769292s
Minimizing prog: 1h33m9.535019513s
Simplifying prog options: 8m28.456790665s
Extracting C: 6m11.6854039s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD-tkill$auto
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
tkill$auto(0x1, 0x7)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD-tkill$auto
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
tkill$auto(0x1, 0x7)
program crashed: UBSAN: shift-out-of-bounds in __rht_bucket_nested
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program crashed: KASAN: slab-use-after-free Read in ila_nf_input
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, 0x0, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, 0x0, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), 0xffffffffffffffff)
sendmsg$auto_ILA_CMD_ADD(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r0, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r0, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0, 0x1ac}}, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program crashed: KASAN: slab-use-after-free Read in ila_nf_input
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(0x0, r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, 0x0, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, 0x0, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_ila-sendmsg$auto_ILA_CMD_ADD-sendmsg$auto_ILA_CMD_ADD
detailed listing:
executing program 0:
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_ila(&(0x7f0000000440), r0)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38) (async)
sendmsg$auto_ILA_CMD_ADD(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x1c, r1, 0x201, 0x70bd28, 0x25dfdbff, {}, [@ILA_ATTR_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8080}, 0x38)
program crashed: KASAN: use-after-free Read in ila_nf_input
a never seen crash title: KASAN: use-after-free Read in ila_nf_input, ignore
reproducing took 1h50m41.583994698s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline]
BUG: KASAN: slab-use-after-free in __rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604
Read of size 4 at addr ffff888028f40008 by task dhcpcd/5501
CPU: 1 UID: 0 PID: 5501 Comm: dhcpcd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:489
kasan_report+0xd9/0x110 mm/kasan/report.c:602
rht_key_hashfn include/linux/rhashtable.h:159 [inline]
__rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604
rhashtable_lookup include/linux/rhashtable.h:646 [inline]
rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]
ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:127 [inline]
ila_xlat_addr net/ipv6/ila/ila_xlat.c:652 [inline]
ila_nf_input+0x1ee/0x620 net/ipv6/ila/ila_xlat.c:185
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309
__netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5672
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
process_backlog+0x443/0x15f0 net/core/dev.c:6117
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7074
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 e6 91 59 f6 48 89 df e8 1e 11 5a f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 45 01 4b f6 65 8b 05 b6 24 e7 74 85 c0 74 16 5b
RSP: 0018:ffffc900034378e0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff888030daec40 RCX: 1ffffffff2039431
RDX: 0000000000000000 RSI: ffffffff8b4cd280 RDI: ffffffff8bb17000
RBP: 0000000000000282 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff901ce3d7 R11: 0000000000000004 R12: ffff888034fccbc0
R13: ffff888030daec40 R14: 1ffff92000686f31 R15: ffff888034fcca40
sock_def_readable+0x15f/0x610 net/core/sock.c:3453
unix_dgram_sendmsg+0xf47/0x1940 net/unix/af_unix.c:2167
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
sock_write_iter+0x4fe/0x5b0 net/socket.c:1147
do_iter_readv_writev+0x532/0x7f0 fs/read_write.c:820
vfs_writev+0x363/0xdd0 fs/read_write.c:1050
do_writev+0x297/0x340 fs/read_write.c:1096
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29650f6e03
Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe3c2abb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f29650286c0 RCX: 00007f29650f6e03
RDX: 0000000000000002 RSI: 00007ffe3c2abb80 RDI: 000000000000000b
RBP: 00007ffe3c2cbee8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3c2bbd34 R14: 0000000000000030 R15: 0000000000000000
Allocated by task 12687:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x21a/0x4f0 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
tomoyo_realpath_from_path+0xbf/0x710 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2ad/0x3c0 security/tomoyo/file.c:771
tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x84/0x1e0 security/security.c:3105
do_dentry_open+0x57e/0x1ea0 fs/open.c:928
vfs_open+0x82/0x3f0 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x1e6a/0x2d60 fs/namei.c:3987
do_filp_open+0x20c/0x470 fs/namei.c:4014
do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1428
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 12687:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kfree+0x14f/0x4b0 mm/slub.c:4761
tomoyo_realpath_from_path+0x1b7/0x710 security/tomoyo/realpath.c:286
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2ad/0x3c0 security/tomoyo/file.c:771
tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x84/0x1e0 security/security.c:3105
do_dentry_open+0x57e/0x1ea0 fs/open.c:928
vfs_open+0x82/0x3f0 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x1e6a/0x2d60 fs/namei.c:3987
do_filp_open+0x20c/0x470 fs/namei.c:4014
do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1428
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff888028f40000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 8 bytes inside of
freed 4096-byte region [ffff888028f40000, ffff888028f41000)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28f40
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac42140 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac42140 dead000000000122 0000000000000000
head: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000
head: 00fff00000000003 ffffea0000a3d001 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 12687, tgid 12687 (udevd), ts 418533816857, free_ts 418533016660
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
----------------
Code disassembly (best guess):
0: f5 cmc
1: 53 push %rbx
2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
7: 48 89 fb mov %rdi,%rbx
a: 48 83 c7 18 add $0x18,%rdi
e: e8 e6 91 59 f6 call 0xf65991f9
13: 48 89 df mov %rbx,%rdi
16: e8 1e 11 5a f6 call 0xf65a1139
1b: f7 c5 00 02 00 00 test $0x200,%ebp
21: 75 23 jne 0x46
23: 9c pushf
24: 58 pop %rax
25: f6 c4 02 test $0x2,%ah
28: 75 37 jne 0x61
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 45 01 4b f6 call 0xf64b0179
34: 65 8b 05 b6 24 e7 74 mov %gs:0x74e724b6(%rip),%eax # 0x74e724f1
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline]
BUG: KASAN: slab-use-after-free in __rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604
Read of size 4 at addr ffff888028f40008 by task dhcpcd/5501
CPU: 1 UID: 0 PID: 5501 Comm: dhcpcd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:489
kasan_report+0xd9/0x110 mm/kasan/report.c:602
rht_key_hashfn include/linux/rhashtable.h:159 [inline]
__rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604
rhashtable_lookup include/linux/rhashtable.h:646 [inline]
rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]
ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:127 [inline]
ila_xlat_addr net/ipv6/ila/ila_xlat.c:652 [inline]
ila_nf_input+0x1ee/0x620 net/ipv6/ila/ila_xlat.c:185
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309
__netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5672
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
process_backlog+0x443/0x15f0 net/core/dev.c:6117
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7074
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 e6 91 59 f6 48 89 df e8 1e 11 5a f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 45 01 4b f6 65 8b 05 b6 24 e7 74 85 c0 74 16 5b
RSP: 0018:ffffc900034378e0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff888030daec40 RCX: 1ffffffff2039431
RDX: 0000000000000000 RSI: ffffffff8b4cd280 RDI: ffffffff8bb17000
RBP: 0000000000000282 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff901ce3d7 R11: 0000000000000004 R12: ffff888034fccbc0
R13: ffff888030daec40 R14: 1ffff92000686f31 R15: ffff888034fcca40
sock_def_readable+0x15f/0x610 net/core/sock.c:3453
unix_dgram_sendmsg+0xf47/0x1940 net/unix/af_unix.c:2167
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
sock_write_iter+0x4fe/0x5b0 net/socket.c:1147
do_iter_readv_writev+0x532/0x7f0 fs/read_write.c:820
vfs_writev+0x363/0xdd0 fs/read_write.c:1050
do_writev+0x297/0x340 fs/read_write.c:1096
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29650f6e03
Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe3c2abb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f29650286c0 RCX: 00007f29650f6e03
RDX: 0000000000000002 RSI: 00007ffe3c2abb80 RDI: 000000000000000b
RBP: 00007ffe3c2cbee8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3c2bbd34 R14: 0000000000000030 R15: 0000000000000000
Allocated by task 12687:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x21a/0x4f0 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
tomoyo_realpath_from_path+0xbf/0x710 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2ad/0x3c0 security/tomoyo/file.c:771
tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x84/0x1e0 security/security.c:3105
do_dentry_open+0x57e/0x1ea0 fs/open.c:928
vfs_open+0x82/0x3f0 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x1e6a/0x2d60 fs/namei.c:3987
do_filp_open+0x20c/0x470 fs/namei.c:4014
do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1428
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 12687:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kfree+0x14f/0x4b0 mm/slub.c:4761
tomoyo_realpath_from_path+0x1b7/0x710 security/tomoyo/realpath.c:286
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2ad/0x3c0 security/tomoyo/file.c:771
tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x84/0x1e0 security/security.c:3105
do_dentry_open+0x57e/0x1ea0 fs/open.c:928
vfs_open+0x82/0x3f0 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x1e6a/0x2d60 fs/namei.c:3987
do_filp_open+0x20c/0x470 fs/namei.c:4014
do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1428
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff888028f40000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 8 bytes inside of
freed 4096-byte region [ffff888028f40000, ffff888028f41000)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28f40
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac42140 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac42140 dead000000000122 0000000000000000
head: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000
head: 00fff00000000003 ffffea0000a3d001 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 12687, tgid 12687 (udevd), ts 418533816857, free_ts 418533016660
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
----------------
Code disassembly (best guess):
0: f5 cmc
1: 53 push %rbx
2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
7: 48 89 fb mov %rdi,%rbx
a: 48 83 c7 18 add $0x18,%rdi
e: e8 e6 91 59 f6 call 0xf65991f9
13: 48 89 df mov %rbx,%rdi
16: e8 1e 11 5a f6 call 0xf65a1139
1b: f7 c5 00 02 00 00 test $0x200,%ebp
21: 75 23 jne 0x46
23: 9c pushf
24: 58 pop %rax
25: f6 c4 02 test $0x2,%ah
28: 75 37 jne 0x61
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 45 01 4b f6 call 0xf64b0179
34: 65 8b 05 b6 24 e7 74 mov %gs:0x74e724b6(%rip),%eax # 0x74e724f1
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx