Extracting prog: 2m7.999476349s Minimizing prog: 8m3.142671777s Simplifying prog options: 0s Extracting C: 1m56.437535943s Simplifying C: 12m24.575002165s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program crashed: general protection fault in rebuild_sched_domains_locked single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl detailed listing: executing program 0: openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) program did not crash testing program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$auto detailed listing: executing program 0: write$auto(0xffffffffffffffff, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program did not crash testing program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) program did not crash testing program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program did not crash testing program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, 0x0, 0xf6) (fail_nth: 3) program did not crash extracting C reproducer testing compiled C program (duration=45.273360703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked simplifying C reproducer testing compiled C program (duration=45.273360703s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing compiled C program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto program crashed: general protection fault in rebuild_sched_domains_locked testing program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program crashed: general protection fault in rebuild_sched_domains_locked validation run: crashed=true testing program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program crashed: general protection fault in rebuild_sched_domains_locked validation run: crashed=true testing program (duration=45.273360703s, {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}}): openat$auto_proc_sys_file_operations_proc_sysctl-write$auto detailed listing: executing program 0: r0 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/kernel/sched_rt_period_us\x00', 0x202, 0x0) write$auto(r0, &(0x7f0000000000)='-!\'+\x00', 0xf6) (fail_nth: 3) program crashed: general protection fault in rebuild_sched_domains_locked validation run: crashed=true reproducing took 30m16.490956644s repro crashed as (corrupted=false): RAX: ffffffffffffffda RBX: 00007f5835015fa0 RCX: 00007f5834d9bf79 RDX: 00000000000000f6 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007ffc0bd4f930 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f5835015fac R14: 00007f5835015fa0 R15: 00007f5835015fa0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 5982 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:bitmap_subset include/linux/bitmap.h:433 [inline] RIP: 0010:cpumask_subset include/linux/cpumask.h:836 [inline] RIP: 0010:rebuild_sched_domains_locked+0x2aa/0x980 kernel/cgroup/cpuset.c:967 Code: 7d 05 00 41 83 c4 01 89 de 48 83 c5 08 44 89 e7 e8 fb 76 05 00 41 39 dc 0f 8d 4c 04 00 00 e8 fd 7c 05 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 1d 06 00 00 48 8b 04 24 48 23 45 00 31 ff 44 RSP: 0018:ffffc900039cfbc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000020 RDX: ffff88801df83c80 RSI: ffffffff8200f003 RDI: ffffffff8df14f28 RBP: 0000000000000000 R08: 0000000000000cc0 R09: 00000000ffffffff R10: ffffffff8e7d95b3 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000000f4240 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555576a6f500(0000) GS:ffff8881246a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fb63fff CR3: 00000000489c0000 CR4: 00000000003526f0 Call Trace: rebuild_sched_domains_cpuslocked kernel/cgroup/cpuset.c:983 [inline] rebuild_sched_domains+0x21/0x40 kernel/cgroup/cpuset.c:990 sched_rt_handler+0xb5/0xe0 kernel/sched/rt.c:2911 proc_sys_call_handler+0x47f/0x5a0 fs/proc/proc_sysctl.c:600 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1070 fs/read_write.c:688 ksys_write+0x12a/0x250 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5834d9bf79 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:00007ffc0bd4f8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5835015fa0 RCX: 00007f5834d9bf79 RDX: 00000000000000f6 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007ffc0bd4f930 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f5835015fac R14: 00007f5835015fa0 R15: 00007f5835015fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bitmap_subset include/linux/bitmap.h:433 [inline] RIP: 0010:cpumask_subset include/linux/cpumask.h:836 [inline] RIP: 0010:rebuild_sched_domains_locked+0x2aa/0x980 kernel/cgroup/cpuset.c:967 Code: 7d 05 00 41 83 c4 01 89 de 48 83 c5 08 44 89 e7 e8 fb 76 05 00 41 39 dc 0f 8d 4c 04 00 00 e8 fd 7c 05 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 1d 06 00 00 48 8b 04 24 48 23 45 00 31 ff 44 RSP: 0018:ffffc900039cfbc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000020 RDX: ffff88801df83c80 RSI: ffffffff8200f003 RDI: ffffffff8df14f28 RBP: 0000000000000000 R08: 0000000000000cc0 R09: 00000000ffffffff R10: ffffffff8e7d95b3 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000000f4240 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555576a6f500(0000) GS:ffff8881245a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fb24008 CR3: 00000000489c0000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 05 00 41 83 c4 add $0xc4834100,%eax 5: 01 89 de 48 83 c5 add %ecx,-0x3a7cb722(%rcx) b: 08 44 89 e7 or %al,-0x19(%rcx,%rcx,4) f: e8 fb 76 05 00 call 0x5770f 14: 41 39 dc cmp %ebx,%r12d 17: 0f 8d 4c 04 00 00 jge 0x469 1d: e8 fd 7c 05 00 call 0x57d1f 22: 48 89 e8 mov %rbp,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2e: 0f 85 1d 06 00 00 jne 0x651 34: 48 8b 04 24 mov (%rsp),%rax 38: 48 23 45 00 and 0x0(%rbp),%rax 3c: 31 ff xor %edi,%edi 3e: 44 rex.R final repro crashed as (corrupted=false): RAX: ffffffffffffffda RBX: 00007f5835015fa0 RCX: 00007f5834d9bf79 RDX: 00000000000000f6 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007ffc0bd4f930 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f5835015fac R14: 00007f5835015fa0 R15: 00007f5835015fa0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 5982 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:bitmap_subset include/linux/bitmap.h:433 [inline] RIP: 0010:cpumask_subset include/linux/cpumask.h:836 [inline] RIP: 0010:rebuild_sched_domains_locked+0x2aa/0x980 kernel/cgroup/cpuset.c:967 Code: 7d 05 00 41 83 c4 01 89 de 48 83 c5 08 44 89 e7 e8 fb 76 05 00 41 39 dc 0f 8d 4c 04 00 00 e8 fd 7c 05 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 1d 06 00 00 48 8b 04 24 48 23 45 00 31 ff 44 RSP: 0018:ffffc900039cfbc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000020 RDX: ffff88801df83c80 RSI: ffffffff8200f003 RDI: ffffffff8df14f28 RBP: 0000000000000000 R08: 0000000000000cc0 R09: 00000000ffffffff R10: ffffffff8e7d95b3 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000000f4240 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555576a6f500(0000) GS:ffff8881246a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fb63fff CR3: 00000000489c0000 CR4: 00000000003526f0 Call Trace: rebuild_sched_domains_cpuslocked kernel/cgroup/cpuset.c:983 [inline] rebuild_sched_domains+0x21/0x40 kernel/cgroup/cpuset.c:990 sched_rt_handler+0xb5/0xe0 kernel/sched/rt.c:2911 proc_sys_call_handler+0x47f/0x5a0 fs/proc/proc_sysctl.c:600 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1070 fs/read_write.c:688 ksys_write+0x12a/0x250 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5834d9bf79 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:00007ffc0bd4f8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5835015fa0 RCX: 00007f5834d9bf79 RDX: 00000000000000f6 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007ffc0bd4f930 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f5835015fac R14: 00007f5835015fa0 R15: 00007f5835015fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bitmap_subset include/linux/bitmap.h:433 [inline] RIP: 0010:cpumask_subset include/linux/cpumask.h:836 [inline] RIP: 0010:rebuild_sched_domains_locked+0x2aa/0x980 kernel/cgroup/cpuset.c:967 Code: 7d 05 00 41 83 c4 01 89 de 48 83 c5 08 44 89 e7 e8 fb 76 05 00 41 39 dc 0f 8d 4c 04 00 00 e8 fd 7c 05 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 1d 06 00 00 48 8b 04 24 48 23 45 00 31 ff 44 RSP: 0018:ffffc900039cfbc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000020 RDX: ffff88801df83c80 RSI: ffffffff8200f003 RDI: ffffffff8df14f28 RBP: 0000000000000000 R08: 0000000000000cc0 R09: 00000000ffffffff R10: ffffffff8e7d95b3 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000000f4240 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555576a6f500(0000) GS:ffff8881245a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fb24008 CR3: 00000000489c0000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 05 00 41 83 c4 add $0xc4834100,%eax 5: 01 89 de 48 83 c5 add %ecx,-0x3a7cb722(%rcx) b: 08 44 89 e7 or %al,-0x19(%rcx,%rcx,4) f: e8 fb 76 05 00 call 0x5770f 14: 41 39 dc cmp %ebx,%r12d 17: 0f 8d 4c 04 00 00 jge 0x469 1d: e8 fd 7c 05 00 call 0x57d1f 22: 48 89 e8 mov %rbp,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2e: 0f 85 1d 06 00 00 jne 0x651 34: 48 8b 04 24 mov (%rsp),%rax 38: 48 23 45 00 and 0x0(%rbp),%rax 3c: 31 ff xor %edi,%edi 3e: 44 rex.R