Extracting prog: 1m48.803328441s
Minimizing prog: 1h0m49.0070406s
Simplifying prog options: 0s
Extracting C: 22.731140415s
Simplifying C: 2h17m12.541694843s


30 programs, 3 VMs, timeouts [6m0s]
extracting reproducer from 30 programs
single: executing 5 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-dup3-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
r3 = socket$inet6_sctp(0xa, 0x1, 0x84)
r4 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r4, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r4, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @rand_addr=0x64010101}]}, &(0x7f0000000180)=0x10)
r5 = dup3(r4, r3, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(r5, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r6=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r6}, 0x8)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-dup3-getsockopt$inet_sctp_SCTP_MAX_BURST
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
dup3(r1, r0, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
r3 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r3, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r3, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @rand_addr=0x64010101}]}, &(0x7f0000000180)=0x10)
r4 = dup3(r3, r2, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x71, &(0x7f0000000000)=@assoc_value, &(0x7f0000000040)=0x17)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-dup3-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
r3 = socket$inet6_sctp(0xa, 0x1, 0x84)
r4 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r4, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r4, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @rand_addr=0x64010101}]}, &(0x7f0000000180)=0x10)
dup3(r4, r3, 0x0)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00), 0x8)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
socket$inet6_sctp(0xa, 0x1, 0x84)
r3 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r3, 0x0)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r3, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @rand_addr=0x64010101}]}, &(0x7f0000000180)=0x10)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r4=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r4}, 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
socket$inet6_sctp(0xa, 0x1, 0x84)
r3 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r3, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r4=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r4}, 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-socket$inet6_sctp-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
socket$inet6_sctp(0xa, 0x1, 0x84)
socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r3=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r3}, 0x8)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
socket$inet6_sctp(0xa, 0x1, 0x84)
shutdown(0xffffffffffffffff, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r3=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r3}, 0x8)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-dup3-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6_sctp(0xa, 0x5, 0x84)
r2 = dup3(r1, r0, 0x0)
r3 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r3, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r4=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x11, &(0x7f0000004f00)={r4}, 0x8)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x1, 0x84)
socket$inet6_sctp(0xa, 0x5, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r1=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004f00)={r1}, 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x1, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r1=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004f00)={r1}, 0x8)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x5, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)=@assoc_value={<r1=>0x0}, &(0x7f0000000040)=0x17)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004f00)={r1}, 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x5, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, 0x0, &(0x7f0000000040))
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004f00), 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x5, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004f00), 0x8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
detailed listing:
executing program 0:
socket$inet6_sctp(0xa, 0x5, 0x84)
socket$inet6_sctp(0xa, 0x1, 0x84)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
shutdown(r0, 0x0)
getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x71, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x11, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program crashed: KASAN: use-after-free Read in __hci_req_sync
simplifying C reproducer
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {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}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-socket$inet6_sctp-socket$inet6_sctp-shutdown-getsockopt$inet_sctp_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY
program did not crash
reproducing took 3h20m13.083226399s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:72 [inline]
BUG: KASAN: use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:147 [inline]
BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:1203 [inline]
BUG: KASAN: use-after-free in kfree_skb_reason+0x3d/0x390 net/core/skbuff.c:887
Read of size 4 at addr ffff88807eb1d0e4 by task syz-executor145/3549

CPU: 0 PID: 3549 Comm: syz-executor145 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 refcount_read include/linux/refcount.h:147 [inline]
 skb_unref include/linux/skbuff.h:1203 [inline]
 kfree_skb_reason+0x3d/0x390 net/core/skbuff.c:887
 kfree_skb include/linux/skbuff.h:1220 [inline]
 __hci_req_sync+0x626/0x940 net/bluetooth/hci_request.c:184
 hci_req_sync+0xa5/0xc0 net/bluetooth/hci_request.c:206
 hci_dev_cmd+0x2fc/0xa30 net/bluetooth/hci_core.c:790
 sock_do_ioctl+0x152/0x450 net/socket.c:1204
 sock_ioctl+0x47f/0x770 net/socket.c:1321
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa530a1802b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffe9c4f32f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa530a1802b
RDX: 00007ffe9c4f3448 RSI: 00000000400448dd RDI: 0000000000000003
RBP: 00005555563b5430 R08: 0000000000000000 R09: 00007ffe9c4f3267
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffe9c4f3460 R15: 00007fa530aa3300
 </TASK>

Allocated by task 3555:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 skb_clone+0x1e5/0x360 net/core/skbuff.c:1660
 hci_send_cmd_sync net/bluetooth/hci_core.c:4178 [inline]
 hci_cmd_work+0x296/0x660 net/bluetooth/hci_core.c:4198
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Freed by task 3564:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x292/0x510 mm/slub.c:3683
 kfree_skb include/linux/skbuff.h:1220 [inline]
 hci_req_sync_complete+0xee/0x280 net/bluetooth/hci_request.c:109
 hci_event_packet+0xc49/0x1510 net/bluetooth/hci_event.c:7601
 hci_rx_work+0x3cd/0xce0 net/bluetooth/hci_core.c:4129
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

The buggy address belongs to the object at ffff88807eb1d000
 which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 228 bytes inside of
 240-byte region [ffff88807eb1d000, ffff88807eb1d0f0)

The buggy address belongs to the physical page:
page:ffffea0001fac740 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7eb1d
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888015641000
raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3555, tgid 3555 (kworker/u5:1), ts 57356304507, free_ts 50108089401
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 alloc_slab_page+0x6a/0x150 mm/slub.c:1794
 allocate_slab mm/slub.c:1939 [inline]
 new_slab+0x84/0x2d0 mm/slub.c:1992
 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422
 skb_clone+0x1e5/0x360 net/core/skbuff.c:1660
 hci_send_cmd_sync net/bluetooth/hci_core.c:4178 [inline]
 hci_cmd_work+0x296/0x660 net/bluetooth/hci_core.c:4198
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3453
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x6e1/0x12a0 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2259 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x7de/0xbe0 fs/read_write.c:470
 ksys_read+0x19c/0x2c0 fs/read_write.c:613
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff88807eb1cf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88807eb1d000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807eb1d080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
                                                       ^
 ffff88807eb1d100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88807eb1d180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:72 [inline]
BUG: KASAN: use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:147 [inline]
BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:1203 [inline]
BUG: KASAN: use-after-free in kfree_skb_reason+0x3d/0x390 net/core/skbuff.c:887
Read of size 4 at addr ffff88807eb1d0e4 by task syz-executor145/3549

CPU: 0 PID: 3549 Comm: syz-executor145 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 refcount_read include/linux/refcount.h:147 [inline]
 skb_unref include/linux/skbuff.h:1203 [inline]
 kfree_skb_reason+0x3d/0x390 net/core/skbuff.c:887
 kfree_skb include/linux/skbuff.h:1220 [inline]
 __hci_req_sync+0x626/0x940 net/bluetooth/hci_request.c:184
 hci_req_sync+0xa5/0xc0 net/bluetooth/hci_request.c:206
 hci_dev_cmd+0x2fc/0xa30 net/bluetooth/hci_core.c:790
 sock_do_ioctl+0x152/0x450 net/socket.c:1204
 sock_ioctl+0x47f/0x770 net/socket.c:1321
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa530a1802b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffe9c4f32f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa530a1802b
RDX: 00007ffe9c4f3448 RSI: 00000000400448dd RDI: 0000000000000003
RBP: 00005555563b5430 R08: 0000000000000000 R09: 00007ffe9c4f3267
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffe9c4f3460 R15: 00007fa530aa3300
 </TASK>

Allocated by task 3555:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 skb_clone+0x1e5/0x360 net/core/skbuff.c:1660
 hci_send_cmd_sync net/bluetooth/hci_core.c:4178 [inline]
 hci_cmd_work+0x296/0x660 net/bluetooth/hci_core.c:4198
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Freed by task 3564:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x292/0x510 mm/slub.c:3683
 kfree_skb include/linux/skbuff.h:1220 [inline]
 hci_req_sync_complete+0xee/0x280 net/bluetooth/hci_request.c:109
 hci_event_packet+0xc49/0x1510 net/bluetooth/hci_event.c:7601
 hci_rx_work+0x3cd/0xce0 net/bluetooth/hci_core.c:4129
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

The buggy address belongs to the object at ffff88807eb1d000
 which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 228 bytes inside of
 240-byte region [ffff88807eb1d000, ffff88807eb1d0f0)

The buggy address belongs to the physical page:
page:ffffea0001fac740 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7eb1d
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888015641000
raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3555, tgid 3555 (kworker/u5:1), ts 57356304507, free_ts 50108089401
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 alloc_slab_page+0x6a/0x150 mm/slub.c:1794
 allocate_slab mm/slub.c:1939 [inline]
 new_slab+0x84/0x2d0 mm/slub.c:1992
 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422
 skb_clone+0x1e5/0x360 net/core/skbuff.c:1660
 hci_send_cmd_sync net/bluetooth/hci_core.c:4178 [inline]
 hci_cmd_work+0x296/0x660 net/bluetooth/hci_core.c:4198
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3453
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x6e1/0x12a0 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2259 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x7de/0xbe0 fs/read_write.c:470
 ksys_read+0x19c/0x2c0 fs/read_write.c:613
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff88807eb1cf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88807eb1d000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807eb1d080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
                                                       ^
 ffff88807eb1d100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88807eb1d180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================