Extracting prog: 4m2.883809434s
Minimizing prog: 20m21.848110263s
Simplifying prog options: 0s
Extracting C: 31.618961447s
Simplifying C: 7m58.162553658s


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}}): perf_event_open-sendmsg$kcm-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
sendmsg$kcm(0xffffffffffffffff, 0x0, 0x400c0)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
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: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}}): perf_event_open-sendmsg$kcm-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
sendmsg$kcm(0xffffffffffffffff, 0x0, 0x400c0)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-sendmsg$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
sendmsg$kcm(0xffffffffffffffff, 0x0, 0x400c0)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone
detailed listing:
executing program 0:
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-syz_clone
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
simplifying C reproducer
testing compiled C program (duration=6m0s, {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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
program crashed: WARNING in perf_pending_task
testing program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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}}): perf_event_open-syz_clone
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xffffffff}, 0x7402, 0x0, 0x0, 0x4, 0x0, 0xffffffff, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
syz_clone(0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in perf_pending_task
validation run: crashed=true
reproducing took 38m57.874401481s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4924 at kernel/events/core.c:6688 perf_sigtrap kernel/events/core.c:6688 [inline]
WARNING: CPU: 0 PID: 4924 at kernel/events/core.c:6688 perf_pending_task+0x358/0x470 kernel/events/core.c:6800
Modules linked in:
CPU: 0 PID: 4924 Comm: syz.0.302 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:perf_sigtrap kernel/events/core.c:6688 [inline]
RIP: 0010:perf_pending_task+0x358/0x470 kernel/events/core.c:6800
Code: ff 84 db 75 14 e8 f8 9f de ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e4 9f de ff e8 c7 4f 67 ff eb e5 e8 d8 9f de ff <0f> 0b e9 f3 fe ff ff e8 cc 9f de ff 48 c7 c7 40 1c 1a 8c 4c 89 f6
RSP: 0018:ffffc9000544fd18 EFLAGS: 00010293
RAX: ffffffff81992ad8 RBX: ffff8880751ca820 RCX: ffff88802a3f5940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed100547ec6b
R10: ffffed100547ec6b R11: 1ffff1100547ec6a R12: ffff88802a3f5940
R13: ffff88802aad5158 R14: ffff8880751ca5f0 R15: 1ffff1100ea394be
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea8c07adac CR3: 000000001fc63000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x61e/0x20a0 kernel/exit.c:883
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fea8be41be9
Code: Unable to access opcode bytes at RIP 0x7fea8be41bbf.
RSP: 002b:00007fff6dbd32b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea8be41be9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff6dbd331c R08: 000000026dbd33af R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000011d
R13: 00000000000927c0 R14: 000000000001f233 R15: 00007fff6dbd3370
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4924 at kernel/events/core.c:6688 perf_sigtrap kernel/events/core.c:6688 [inline]
WARNING: CPU: 0 PID: 4924 at kernel/events/core.c:6688 perf_pending_task+0x358/0x470 kernel/events/core.c:6800
Modules linked in:
CPU: 0 PID: 4924 Comm: syz.0.302 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:perf_sigtrap kernel/events/core.c:6688 [inline]
RIP: 0010:perf_pending_task+0x358/0x470 kernel/events/core.c:6800
Code: ff 84 db 75 14 e8 f8 9f de ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e4 9f de ff e8 c7 4f 67 ff eb e5 e8 d8 9f de ff <0f> 0b e9 f3 fe ff ff e8 cc 9f de ff 48 c7 c7 40 1c 1a 8c 4c 89 f6
RSP: 0018:ffffc9000544fd18 EFLAGS: 00010293
RAX: ffffffff81992ad8 RBX: ffff8880751ca820 RCX: ffff88802a3f5940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed100547ec6b
R10: ffffed100547ec6b R11: 1ffff1100547ec6a R12: ffff88802a3f5940
R13: ffff88802aad5158 R14: ffff8880751ca5f0 R15: 1ffff1100ea394be
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea8c07adac CR3: 000000001fc63000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x61e/0x20a0 kernel/exit.c:883
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fea8be41be9
Code: Unable to access opcode bytes at RIP 0x7fea8be41bbf.
RSP: 002b:00007fff6dbd32b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea8be41be9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff6dbd331c R08: 000000026dbd33af R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000011d
R13: 00000000000927c0 R14: 000000000001f233 R15: 00007fff6dbd3370
 </TASK>