Extracting prog: 1m26.516593534s Minimizing prog: 6m17.107927433s Simplifying prog options: 0s Extracting C: 1m4.14791895s Simplifying C: 5m19.644848723s 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program crashed: WARNING in udmabuf_create single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program 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}}): openat$udambuf detailed listing: executing program 0: openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) program did not crash 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}}): ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: ioctl$UDMABUF_CREATE_LIST(0xffffffffffffffff, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program did not crash 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, 0x0, 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program did not crash 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, 0x0) program did not crash 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[]) program did not crash 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB]) program did not crash 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB, @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program did not crash extracting C reproducer testing compiled C 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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create simplifying C reproducer testing compiled C program (duration=30s, {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}}): openat$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing compiled C program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST program crashed: WARNING in udmabuf_create testing program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program crashed: WARNING in udmabuf_create validation run: crashed=true testing program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program crashed: WARNING in udmabuf_create validation run: crashed=true testing program (duration=30s, {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$udambuf-ioctl$UDMABUF_CREATE_LIST detailed listing: executing program 0: r0 = openat$udambuf(0xffffff9c, &(0x7f00000002c0), 0x2) ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000001000000", @ANYRES32, @ANYBLOB="0000000000200000000000000000000000060000"]) program crashed: WARNING in udmabuf_create validation run: crashed=true reproducing took 16m43.651384814s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: mm/slub.c:7022 at __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1, CPU#1: syz.0.17/4916 Modules linked in: CPU: 1 UID: 0 PID: 4916 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1 lr : __do_kmalloc_node mm/slub.c:-1 [inline] lr : __kvmalloc_node_noprof+0x400/0x7fc mm/slub.c:7014 sp : ffff8000959d7930 x29: ffff8000959d7980 x28: 00000000ffffffff x27: 0000000060000000 x26: 0000060000000000 x25: 0000000000000000 x24: 00000000000028c0 x23: ffff800082631c9c x22: ffff0000d2fb4868 x21: 0000000300000000 x20: ffff700012b3af58 x19: 0000000000000000 x18: ffff8001254ee000 x17: ffff800080166554 x16: ffff800080cd9118 x15: ffff800082631a14 x14: 0000000000000001 x13: 0000000000000005 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000003 x9 : ffff800088a10ae0 x8 : 0000000000000cc0 x7 : 0000000000000000 x6 : ffff800080b83658 x5 : 00000000ffffffff x4 : 00000000000028c0 x3 : 0000000400000000 x2 : 0000000300000000 x1 : ffff0000c4e0bb00 x0 : 0000000000000001 Call trace: __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1 (P) init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline] udmabuf_create+0x220/0xb34 drivers/dma-buf/udmabuf.c:386 udmabuf_ioctl_create_list drivers/dma-buf/udmabuf.c:484 [inline] udmabuf_ioctl+0x24c/0x2b4 drivers/dma-buf/udmabuf.c:499 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 1330 hardirqs last enabled at (1329): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (1329): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (1330): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (188): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (188): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (188): [] do_sve_acc+0x32c/0x4b8 arch/arm64/kernel/fpsimd.c:1332 softirqs last disabled at (186): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (186): [] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline] softirqs last disabled at (186): [] do_sve_acc+0x10c/0x4b8 arch/arm64/kernel/fpsimd.c:1308 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: mm/slub.c:7022 at __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1, CPU#1: syz.0.17/4916 Modules linked in: CPU: 1 UID: 0 PID: 4916 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1 lr : __do_kmalloc_node mm/slub.c:-1 [inline] lr : __kvmalloc_node_noprof+0x400/0x7fc mm/slub.c:7014 sp : ffff8000959d7930 x29: ffff8000959d7980 x28: 00000000ffffffff x27: 0000000060000000 x26: 0000060000000000 x25: 0000000000000000 x24: 00000000000028c0 x23: ffff800082631c9c x22: ffff0000d2fb4868 x21: 0000000300000000 x20: ffff700012b3af58 x19: 0000000000000000 x18: ffff8001254ee000 x17: ffff800080166554 x16: ffff800080cd9118 x15: ffff800082631a14 x14: 0000000000000001 x13: 0000000000000005 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000003 x9 : ffff800088a10ae0 x8 : 0000000000000cc0 x7 : 0000000000000000 x6 : ffff800080b83658 x5 : 00000000ffffffff x4 : 00000000000028c0 x3 : 0000000400000000 x2 : 0000000300000000 x1 : ffff0000c4e0bb00 x0 : 0000000000000001 Call trace: __kvmalloc_node_noprof+0x6e0/0x7fc mm/slub.c:-1 (P) init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline] udmabuf_create+0x220/0xb34 drivers/dma-buf/udmabuf.c:386 udmabuf_ioctl_create_list drivers/dma-buf/udmabuf.c:484 [inline] udmabuf_ioctl+0x24c/0x2b4 drivers/dma-buf/udmabuf.c:499 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 1330 hardirqs last enabled at (1329): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (1329): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (1330): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (188): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (188): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (188): [] do_sve_acc+0x32c/0x4b8 arch/arm64/kernel/fpsimd.c:1332 softirqs last disabled at (186): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (186): [] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline] softirqs last disabled at (186): [] do_sve_acc+0x10c/0x4b8 arch/arm64/kernel/fpsimd.c:1308 ---[ end trace 0000000000000000 ]---