Extracting prog: 1m52.314104568s Minimizing prog: 32.07µs Simplifying prog options: 0s Extracting C: 1m31.102036294s Simplifying C: 9m54.987651428s extracting reproducer from 30 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: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}}): get_robust_list detailed listing: executing program 0: get_robust_list(0x0, 0x0, 0x0) program crashed: Internal error in sys_get_robust_list single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program extracting C reproducer testing compiled C program (duration=45.182750356s, {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}}): get_robust_list program crashed: Internal error in sys_get_robust_list simplifying C reproducer testing compiled C program (duration=45.182750356s, {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}}): get_robust_list program crashed: Internal error in sys_mount a never seen crash title: Internal error in sys_mount, ignore testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing compiled C program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list program crashed: Internal error in sys_get_robust_list testing program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list detailed listing: executing program 0: get_robust_list(0x0, 0x0, 0x0) program crashed: Internal error in sys_get_robust_list validation run: crashed=true testing program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list detailed listing: executing program 0: get_robust_list(0x0, 0x0, 0x0) program crashed: Internal error in sys_get_robust_list validation run: crashed=true testing program (duration=45.182750356s, {Threaded:true 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}}): get_robust_list detailed listing: executing program 0: get_robust_list(0x0, 0x0, 0x0) program crashed: Internal error in sys_get_robust_list validation run: crashed=true reproducing took 17m40.639037217s repro crashed as (corrupted=false): Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4245 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] pc : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] pc : __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594 lr : __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] lr : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] lr : __arm64_sys_get_robust_list+0x374/0x4c8 kernel/futex/core.c:3594 sp : ffff80001fda7d20 x29: ffff80001fda7d20 x28: ffff0000d7b88000 x27: 0000000000000000 x26: 1fffe0001af71004 x25: 0000ffff9518b440 x24: 0000000000000000 x23: dfff800000000000 x22: 0000000000000000 x21: 00000000fffffff2 x20: ffff0000d7b88024 x19: ffff0000d7b88000 x18: 0000000000000000 x17: ffff800016d04000 x16: ffff8000083bec2c x15: ffff8000167e4500 x14: ffff0000d7b88a00 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff x8 : 0000000000000018 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 2a1f03f5 2a1f03e0 52800308 f8000948 (2a1503e1) ---[ end trace 4adcf882807b3455 ]--- ---------------- Code disassembly (best guess): 0: 2a1f03f5 mov w21, wzr 4: 2a1f03e0 mov w0, wzr 8: 52800308 mov w8, #0x18 // #24 c: f8000948 sttr x8, [x10] * 10: 2a1503e1 mov w1, w21 <-- trapping instruction final repro crashed as (corrupted=false): Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4245 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] pc : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] pc : __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594 lr : __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] lr : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] lr : __arm64_sys_get_robust_list+0x374/0x4c8 kernel/futex/core.c:3594 sp : ffff80001fda7d20 x29: ffff80001fda7d20 x28: ffff0000d7b88000 x27: 0000000000000000 x26: 1fffe0001af71004 x25: 0000ffff9518b440 x24: 0000000000000000 x23: dfff800000000000 x22: 0000000000000000 x21: 00000000fffffff2 x20: ffff0000d7b88024 x19: ffff0000d7b88000 x18: 0000000000000000 x17: ffff800016d04000 x16: ffff8000083bec2c x15: ffff8000167e4500 x14: ffff0000d7b88a00 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff x8 : 0000000000000018 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __do_sys_get_robust_list kernel/futex/core.c:3623 [inline] __se_sys_get_robust_list kernel/futex/core.c:3594 [inline] __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 2a1f03f5 2a1f03e0 52800308 f8000948 (2a1503e1) ---[ end trace 4adcf882807b3455 ]--- ---------------- Code disassembly (best guess): 0: 2a1f03f5 mov w21, wzr 4: 2a1f03e0 mov w0, wzr 8: 52800308 mov w8, #0x18 // #24 c: f8000948 sttr x8, [x10] * 10: 2a1503e1 mov w1, w21 <-- trapping instruction