Extracting prog: 6m29.804660189s
Minimizing prog: 8m0.880484s
Simplifying prog options: 0s
Extracting C: 1m49.945232661s
Simplifying C: 9m29.894239123s


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:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST-sendmsg$nl_route-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
r2 = socket(0x10, 0x3, 0x0)
r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r3}, 0x10)
sendmsg$nl_route_sched(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, <r4=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r5 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r5, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r6=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r5, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r6, 0x0, 0x0, 0x0, <r7=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r5, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r7, r6, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})
sendmsg$nl_route(r1, 0x0, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000001c0)=@newqdisc={0x38, 0x24, 0xf1d, 0x70bd2d, 0x0, {0x0, 0x0, 0x0, r4, {}, {0xfff1, 0xffff}, {0x0, 0xc}}, [@qdisc_kind_options=@q_ingress={0xc}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000540)=@delchain={0x24, 0x64, 0xf31, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0x9}, {0x10, 0xffff}}}, 0x24}}, 0x1000000)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST-sendmsg$nl_route-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
r2 = socket(0x10, 0x3, 0x0)
r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r3}, 0x10)
sendmsg$nl_route_sched(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, <r4=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r5 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r5, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r6=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r5, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r6, 0x0, 0x0, 0x0, <r7=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r5, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r7, r6, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})
sendmsg$nl_route(r1, 0x0, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000001c0)=@newqdisc={0x38, 0x24, 0xf1d, 0x70bd2d, 0x0, {0x0, 0x0, 0x0, r4, {}, {0xfff1, 0xffff}, {0x0, 0xc}}, [@qdisc_kind_options=@q_ingress={0xc}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000540)=@delchain={0x24, 0x64, 0xf31, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0x9}, {0x10, 0xffff}}}, 0x24}}, 0x1000000)

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:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST-sendmsg$nl_route-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
r2 = socket(0x10, 0x3, 0x0)
r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r3}, 0x10)
sendmsg$nl_route_sched(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, <r4=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r5 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r5, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r6=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r5, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r6, 0x0, 0x0, 0x0, <r7=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r5, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r7, r6, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})
sendmsg$nl_route(r1, 0x0, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000001c0)=@newqdisc={0x38, 0x24, 0xf1d, 0x70bd2d, 0x0, {0x0, 0x0, 0x0, r4, {}, {0xfff1, 0xffff}, {0x0, 0xc}}, [@qdisc_kind_options=@q_ingress={0xc}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000540)=@delchain={0x24, 0x64, 0xf31, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0x9}, {0x10, 0xffff}}}, 0x24}}, 0x1000000)

program crashed: WARNING in pt_iommu_amdv1_init
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST-sendmsg$nl_route-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r2}, 0x10)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r4 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r4, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r5=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r4, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r5, 0x0, 0x0, 0x0, <r6=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r4, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r6, r5, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})
sendmsg$nl_route(r0, 0x0, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000001c0)=@newqdisc={0x38, 0x24, 0xf1d, 0x70bd2d, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xfff1, 0xffff}, {0x0, 0xc}}, [@qdisc_kind_options=@q_ingress={0xc}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0)

program crashed: WARNING in pt_iommu_amdv1_init
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST-sendmsg$nl_route
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r2}, 0x10)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r3 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r3, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r3, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r4, 0x0, 0x0, 0x0, <r5=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r3, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r5, r4, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})
sendmsg$nl_route(r0, 0x0, 0x0)

program crashed: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r1}, 0x10)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r3=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r2, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r3, 0x0, 0x0, 0x0, <r4=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r2, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r4, r3, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})

program crashed: WARNING in pt_iommu_amdv1_init
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r1}, 0x10)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r3=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r2, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r3})

minimization failed with failed to copy syz-execprog to VM: failed to run ["scp" "-P" "43707" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/syzkaller/current/bin/linux_amd64/syz-execprog" "root@localhost:/syz-execprog"]: exit status 1
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
program crashed: WARNING in pt_iommu_amdv1_init
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r1}, 0x10)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r3=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r2, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r3, 0x0, 0x0, 0x0, <r4=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r2, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r4, r3, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})

program crashed: lost connection to test machine
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r1}, 0x10)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r3=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r2, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r3, 0x0, 0x0, 0x0, <r4=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r2, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r4, r3, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})

program crashed: WARNING in pt_iommu_amdv1_init
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}}): socket$nl_route-socket$netlink-socket-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sendmsg$nl_route_sched-getsockname$packet-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$TEST
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000007c0)={&(0x7f0000000780)='netlink_extack\x00', r1}, 0x10)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r3=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r2, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r3, 0x0, 0x0, 0x0, <r4=>0x0})
ioctl$IOMMU_HWPT_ALLOC$TEST(r2, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r4, r3, 0x0, 0x0, 0xdead, 0x8, &(0x7f0000000240)})

program crashed: WARNING in pt_iommu_amdv1_init
validation run: crashed=true
reproducing took 32m23.480629588s
repro crashed as (corrupted=false):
iommufd_mock iommufd_mock0: Adding to iommu group 11
------------[ cut here ]------------
!iommu_table->driver_ops || !iommu_table->driver_ops->change_top || !iommu_table->driver_ops->get_top_lock
WARNING: drivers/iommu/generic_pt/fmt/../iommu_pt.h:1251 at pt_iommu_amdv1_init+0x631/0x9f0 drivers/iommu/generic_pt/iommu_pt.h:1249, CPU#0: syz.0.17/5472
Modules linked in:
CPU: 0 UID: 0 PID: 5472 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:pt_iommu_amdv1_init+0x631/0x9f0 drivers/iommu/generic_pt/iommu_pt.h:1249
Code: 48 89 df 44 89 fa e8 de 05 00 00 48 89 c3 48 3d 01 f0 ff ff 72 1e e8 de 77 6f fc eb 5e e8 d7 77 6f fc eb 05 e8 d0 77 6f fc 90 <0f> 0b 90 bb ea ff ff ff eb 47 e8 c0 77 6f fc 43 80 7c 35 00 00 74
RSP: 0018:ffffc9000e277a20 EFLAGS: 00010293
RAX: ffffffff855639f9 RBX: 0000000000000000 RCX: ffff8880369c24c0
RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000000
RBP: ffff8880540f4f70 R08: ffff8880540f4f97 R09: 0000000000000000
R10: ffff8880540f4f68 R11: ffffed100a81e9f3 R12: ffff8880540f4f88
R13: 1ffff1100a81e9f1 R14: dffffc0000000000 R15: 0000000000000cc0
FS:  000055558cba0500(0000) GS:ffff88808ca51000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000037dbd000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 mock_domain_alloc_pgtable drivers/iommu/iommufd/selftest.c:491 [inline]
 mock_domain_alloc_paging_flags+0x3ba/0x780 drivers/iommu/iommufd/selftest.c:548
 iommufd_hwpt_paging_alloc+0x3ab/0x830 drivers/iommu/iommufd/hw_pagetable.c:149
 iommufd_hwpt_alloc+0x496/0xc10 drivers/iommu/iommufd/hw_pagetable.c:369
 iommufd_fops_ioctl+0x4b5/0x5d0 drivers/iommu/iommufd/main.c:533
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b6999c799
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:00007ffd240fb7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7b69c15fa0 RCX: 00007f7b6999c799
RDX: 0000200000000200 RSI: 0000000000003b89 RDI: 0000000000000008
RBP: 00007f7b69a32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7b69c15fac R14: 00007f7b69c15fa0 R15: 00007f7b69c15fa0
 </TASK>

final repro crashed as (corrupted=false):
iommufd_mock iommufd_mock0: Adding to iommu group 11
------------[ cut here ]------------
!iommu_table->driver_ops || !iommu_table->driver_ops->change_top || !iommu_table->driver_ops->get_top_lock
WARNING: drivers/iommu/generic_pt/fmt/../iommu_pt.h:1251 at pt_iommu_amdv1_init+0x631/0x9f0 drivers/iommu/generic_pt/iommu_pt.h:1249, CPU#0: syz.0.17/5472
Modules linked in:
CPU: 0 UID: 0 PID: 5472 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:pt_iommu_amdv1_init+0x631/0x9f0 drivers/iommu/generic_pt/iommu_pt.h:1249
Code: 48 89 df 44 89 fa e8 de 05 00 00 48 89 c3 48 3d 01 f0 ff ff 72 1e e8 de 77 6f fc eb 5e e8 d7 77 6f fc eb 05 e8 d0 77 6f fc 90 <0f> 0b 90 bb ea ff ff ff eb 47 e8 c0 77 6f fc 43 80 7c 35 00 00 74
RSP: 0018:ffffc9000e277a20 EFLAGS: 00010293
RAX: ffffffff855639f9 RBX: 0000000000000000 RCX: ffff8880369c24c0
RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000000
RBP: ffff8880540f4f70 R08: ffff8880540f4f97 R09: 0000000000000000
R10: ffff8880540f4f68 R11: ffffed100a81e9f3 R12: ffff8880540f4f88
R13: 1ffff1100a81e9f1 R14: dffffc0000000000 R15: 0000000000000cc0
FS:  000055558cba0500(0000) GS:ffff88808ca51000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000037dbd000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 mock_domain_alloc_pgtable drivers/iommu/iommufd/selftest.c:491 [inline]
 mock_domain_alloc_paging_flags+0x3ba/0x780 drivers/iommu/iommufd/selftest.c:548
 iommufd_hwpt_paging_alloc+0x3ab/0x830 drivers/iommu/iommufd/hw_pagetable.c:149
 iommufd_hwpt_alloc+0x496/0xc10 drivers/iommu/iommufd/hw_pagetable.c:369
 iommufd_fops_ioctl+0x4b5/0x5d0 drivers/iommu/iommufd/main.c:533
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b6999c799
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:00007ffd240fb7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7b69c15fa0 RCX: 00007f7b6999c799
RDX: 0000200000000200 RSI: 0000000000003b89 RDI: 0000000000000008
RBP: 00007f7b69a32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7b69c15fac R14: 00007f7b69c15fa0 R15: 00007f7b69c15fa0
 </TASK>