Extracting prog: 4m43.152937191s Minimizing prog: 36m33.457344459s Simplifying prog options: 0s Extracting C: 1m41.808897828s Simplifying C: 15m4.572832736s extracting reproducer from 1 programs testing a last program of every proc 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap-socketpair$unix-sendmmsg$unix-syz_genetlink_get_family_id$ethtool detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) program crashed: BUG: soft lockup in ser_release program crashed: BUG: soft lockup in tx single: successfully extracted reproducer found reproducer with 6 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap-socketpair$unix-sendmmsg$unix detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: BUG: soft lockup in ser_release 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap-socketpair$unix detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) program crashed: BUG: soft lockup in tx 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) program crashed: BUG: soft lockup in tx 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}}): openat$ttyS3-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) 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}}): openat$ttyS3-mmap detailed listing: executing program 0: openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 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}}): ioctl$TIOCSETD-mmap detailed listing: executing program 0: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx 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}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx testing compiled C program (duration=6m0s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx testing compiled C program (duration=6m0s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx testing compiled C program (duration=6m0s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx testing compiled C program (duration=6m0s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap program crashed: BUG: soft lockup in tx testing program (duration=6m0s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) program crashed: BUG: soft lockup in tx validation run: crashed=true testing program (duration=6m0s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) program crashed: BUG: soft lockup in tx validation run: crashed=true testing program (duration=6m0s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ttyS3-ioctl$TIOCSETD-mmap detailed listing: executing program 0: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) program crashed: BUG: soft lockup in tx validation run: crashed=true reproducing took 1h3m14.350930961s repro crashed as (corrupted=false): watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [aoe_tx0:2064] Modules linked in: irq event stamp: 65982573 hardirqs last enabled at (65982572): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (65982572): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (65982573): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (65982573): [] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (1344): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1348): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 1 PID: 2064 Comm: aoe_tx0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] pc : _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] lr : _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 sp : ffff800026e47860 x29: ffff800026e47860 x28: 1fffe0001ac0f0c0 x27: dfff800000000000 x26: ffff0000d6078600 x25: ffff0000ce010fd0 x24: ffff0000f59ac8b0 x23: 0000000000000020 x22: 0000000000000002 x21: ffff0000ce010c30 x20: ffff80001c971d10 x19: 0000000000000000 x18: 1fffe00033e6db7e x17: ffff80000feb097c x16: ffff8000082dd284 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff0000392e3a2 x12: 0000000000000000 x11: ff0080000a97ca20 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : ffff80000b4701a0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff800011d1dc80 x0 : ffff80018a057000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] uart_write+0x3a0/0x7d8 drivers/tty/serial/serial_core.c:583 handle_tx+0x1e4/0x600 drivers/net/caif/caif_serial.c:236 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:4891 [inline] netdev_start_xmit include/linux/netdevice.h:4905 [inline] xmit_one net/core/dev.c:3695 [inline] dev_hard_start_xmit+0x234/0x8c8 net/core/dev.c:3711 __dev_queue_xmit+0x1590/0x3154 net/core/dev.c:4375 dev_queue_xmit include/linux/netdevice.h:3053 [inline] tx+0xa0/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x178/0x344 drivers/block/aoe/aoecmd.c:1241 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 final repro crashed as (corrupted=false): watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [aoe_tx0:2064] Modules linked in: irq event stamp: 65982573 hardirqs last enabled at (65982572): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (65982572): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (65982573): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (65982573): [] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (1344): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1348): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 1 PID: 2064 Comm: aoe_tx0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] pc : _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] lr : _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 sp : ffff800026e47860 x29: ffff800026e47860 x28: 1fffe0001ac0f0c0 x27: dfff800000000000 x26: ffff0000d6078600 x25: ffff0000ce010fd0 x24: ffff0000f59ac8b0 x23: 0000000000000020 x22: 0000000000000002 x21: ffff0000ce010c30 x20: ffff80001c971d10 x19: 0000000000000000 x18: 1fffe00033e6db7e x17: ffff80000feb097c x16: ffff8000082dd284 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff0000392e3a2 x12: 0000000000000000 x11: ff0080000a97ca20 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : ffff80000b4701a0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff800011d1dc80 x0 : ffff80018a057000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] uart_write+0x3a0/0x7d8 drivers/tty/serial/serial_core.c:583 handle_tx+0x1e4/0x600 drivers/net/caif/caif_serial.c:236 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:4891 [inline] netdev_start_xmit include/linux/netdevice.h:4905 [inline] xmit_one net/core/dev.c:3695 [inline] dev_hard_start_xmit+0x234/0x8c8 net/core/dev.c:3711 __dev_queue_xmit+0x1590/0x3154 net/core/dev.c:4375 dev_queue_xmit include/linux/netdevice.h:3053 [inline] tx+0xa0/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x178/0x344 drivers/block/aoe/aoecmd.c:1241 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850