Extracting prog: 2m13.305950228s
Minimizing prog: 11m35.731002674s
Simplifying prog options: 0s
Extracting C: 36.246639431s
Simplifying C: 6m18.831922103s


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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{0xffffffffffffffff, <r0=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r0}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, 0x0, &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), 0x0}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program did not crash
testing program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=47.75117446s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
simplifying C reproducer
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {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}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing compiled C program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
testing program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
validation run: crashed=true
testing program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
validation run: crashed=true
testing program (duration=47.75117446s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=ANY=[@ANYBLOB="230000000800000002000000ffff000005"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r0, <r1=>0xffffffffffffffff}, &(0x7f00000000c0), &(0x7f0000000100)}, 0x20)
bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f00000018c0)={0x0, 0x0, 0x0, 0x0, 0x2, r1}, 0x38)

program crashed: BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
validation run: crashed=true
reproducing took 23m12.163304769s
repro crashed as (corrupted=false):
BUG: using smp_processor_id() in preemptible [00000000] code: syz.0.17/5842
caller is bpf_mem_cache_free_rcu+0x48/0xc0 kernel/bpf/memalloc.c:954
CPU: 1 UID: 0 PID: 5842 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 check_preemption_disabled+0xd3/0xe0 lib/smp_processor_id.c:47
 bpf_mem_cache_free_rcu+0x48/0xc0 kernel/bpf/memalloc.c:954
 rhtab_delete_elem+0x185a/0x1b30 kernel/bpf/hashtab.c:2969
 __rhtab_map_lookup_and_delete_batch+0x935/0xcb0 kernel/bpf/hashtab.c:3349
 bpf_map_do_batch+0x445/0x630 kernel/bpf/syscall.c:-1
 __sys_bpf+0x906/0xd90 kernel/bpf/syscall.c:-1
 __do_sys_bpf kernel/bpf/syscall.c:6537 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6534 [inline]
 __x64_sys_bpf+0xba/0xd0 kernel/bpf/syscall.c:6534
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70ab79ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffddffb8e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f70aba15fa0 RCX: 00007f70ab79ce59
RDX: 0000000000000038 RSI: 00002000000018c0 RDI: 0000000000000019
RBP: 00007f70ab832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70aba15fac R14: 00007f70aba15fa0 R15: 00007f70aba15fa0
 </TASK>

final repro crashed as (corrupted=false):
BUG: using smp_processor_id() in preemptible [00000000] code: syz.0.17/5842
caller is bpf_mem_cache_free_rcu+0x48/0xc0 kernel/bpf/memalloc.c:954
CPU: 1 UID: 0 PID: 5842 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 check_preemption_disabled+0xd3/0xe0 lib/smp_processor_id.c:47
 bpf_mem_cache_free_rcu+0x48/0xc0 kernel/bpf/memalloc.c:954
 rhtab_delete_elem+0x185a/0x1b30 kernel/bpf/hashtab.c:2969
 __rhtab_map_lookup_and_delete_batch+0x935/0xcb0 kernel/bpf/hashtab.c:3349
 bpf_map_do_batch+0x445/0x630 kernel/bpf/syscall.c:-1
 __sys_bpf+0x906/0xd90 kernel/bpf/syscall.c:-1
 __do_sys_bpf kernel/bpf/syscall.c:6537 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6534 [inline]
 __x64_sys_bpf+0xba/0xd0 kernel/bpf/syscall.c:6534
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70ab79ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffddffb8e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f70aba15fa0 RCX: 00007f70ab79ce59
RDX: 0000000000000038 RSI: 00002000000018c0 RDI: 0000000000000019
RBP: 00007f70ab832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70aba15fac R14: 00007f70aba15fa0 R15: 00007f70aba15fa0
 </TASK>