Extracting prog: 10m58.765453852s Minimizing prog: 2h8m54.356697043s Simplifying prog options: 0s Extracting C: 7m19.06343696s Simplifying C: 1h7m46.072005713s extracting reproducer from 73 programs testing a last program of every proc single: executing 23 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}}): syz_clone-ptrace-ptrace$cont-move_pages detailed listing: executing program 0: r0 = syz_clone(0x211, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r0) ptrace$cont(0x1f, r0, 0xa, 0xf) move_pages(r0, 0x0, 0x0, &(0x7f00000000c0), 0x0, 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun-ioctl$TUNSETOFFLOAD-ioctl$TUNSETLINK-ioctl$UFFDIO_REGISTER-socket$netlink-mbind detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) r6 = userfaultfd(0x80001) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETOFFLOAD(r7, 0x400454c9, 0x1f) ioctl$TUNSETLINK(r7, 0x400454cd, 0x325) ioctl$UFFDIO_REGISTER(r6, 0xc020aa00, 0x0) socket$netlink(0x10, 0x3, 0x0) mbind(&(0x7f00000bd000/0x800000)=nil, 0x800000, 0x1, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 26 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun-ioctl$TUNSETOFFLOAD-ioctl$TUNSETLINK-ioctl$UFFDIO_REGISTER-socket$netlink detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) r6 = userfaultfd(0x80001) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETOFFLOAD(r7, 0x400454c9, 0x1f) ioctl$TUNSETLINK(r7, 0x400454cd, 0x325) ioctl$UFFDIO_REGISTER(r6, 0xc020aa00, 0x0) socket$netlink(0x10, 0x3, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun-ioctl$TUNSETOFFLOAD-ioctl$TUNSETLINK-ioctl$UFFDIO_REGISTER detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) r6 = userfaultfd(0x80001) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETOFFLOAD(r7, 0x400454c9, 0x1f) ioctl$TUNSETLINK(r7, 0x400454cd, 0x325) ioctl$UFFDIO_REGISTER(r6, 0xc020aa00, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun-ioctl$TUNSETOFFLOAD-ioctl$TUNSETLINK detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) userfaultfd(0x80001) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETOFFLOAD(r6, 0x400454c9, 0x1f) ioctl$TUNSETLINK(r6, 0x400454cd, 0x325) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun-ioctl$TUNSETOFFLOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) userfaultfd(0x80001) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETOFFLOAD(r6, 0x400454c9, 0x1f) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd-openat$tun detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) userfaultfd(0x80001) openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-io_uring_register$IORING_REGISTER_BUFFERS detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f00000002c0), 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x1f, 0xd, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000000240)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x400000}, 0x94) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-bpf$MAP_CREATE-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-mmap-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r1, 0xffffffffffffffff}, 0x4) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r2}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r4, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r3, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r5, &(0x7f0000000080)='4', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0x0) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-write-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r3, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r2, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) write(r4, &(0x7f0000000080)='4', 0x1) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-openat-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r3, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r2, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-bpf$BPF_PROG_TEST_RUN-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r3, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r2, 0x0, 0x0, 0x8, 0x0, &(0x7f0000000700)=""/8, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r2, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-openat-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) userfaultfd(0x80001) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-mount-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) write$vga_arbiter(0xffffffffffffffff, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mkdirat-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r2, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$PROG_LOAD-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0, 0xffffffffffffffff}, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0x3, 0x11, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x100}, [@call={0x85, 0x0, 0x0, 0xf}, @snprintf={{}, {}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x46d}, {}, {}, {}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r1}, {}, {0x85, 0x0, 0x0, 0xb6}}]}, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r2, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f00000004c0)={r0}, 0x4) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r1, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-bpf$MAP_CREATE_CONST_STR-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0200000004000000080000000100000080"], 0x48) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-prctl$PR_SET_IO_FLUSHER-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) prctl$PR_SET_IO_FLUSHER(0x39, 0x1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-socket$netlink-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) socket$netlink(0x10, 0x3, 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-set_mempolicy-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) set_mempolicy(0x3, &(0x7f0000000240)=0x1020fff, 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$cgroup_ro-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames 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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x1e, 0x0, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', 0x0, 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, 0x0, 0x0) userfaultfd(0x80001) 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in worker_thread a never seen crash title: INFO: rcu detected stall in worker_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd 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:true 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in reg_process_self_managed_hints a never seen crash title: INFO: task hung in reg_process_self_managed_hints, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in addrconf_dad_work a never seen crash title: INFO: task hung in addrconf_dad_work, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in linkwatch_event a never seen crash title: INFO: task hung in linkwatch_event, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd VM was preempted during C execution: failed to run command in VM: instance is preempted, retrying testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in wiphy_register a never seen crash title: INFO: task hung in wiphy_register, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in genl_rcv_msg a never seen crash title: INFO: task hung in genl_rcv_msg, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in addrconf_dad_work a never seen crash title: INFO: task hung in addrconf_dad_work, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in addrconf_dad_work a never seen crash title: INFO: task hung in addrconf_dad_work, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x2, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write$vga_arbiter(r0, &(0x7f00000000c0)=@other={'lock', ' ', 'none'}, 0xa) userfaultfd(0x80001) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 3h44m27.640053798s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P40/2:b..l P30/5:b..l rcu: (detected by 0, t=10503 jiffies, g=18193, q=2657 ncpus=2) task:ksoftirqd/1 state:R running task stack:22200 pid:30 tgid:30 ppid:2 task_flags:0x4208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5520 [inline] __schedule+0x16d9/0x5700 kernel/sched/core.c:7270 preempt_schedule_notrace+0x56/0x90 kernel/sched/core.c:7542 preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13 class_preempt_notrace_destructor include/linux/preempt.h:501 [inline] trace_event_raw_event_lock_acquire+0x271/0x2e0 include/trace/events/lock.h:23 __do_trace_lock_acquire include/trace/events/lock.h:23 [inline] trace_lock_acquire include/trace/events/lock.h:23 [inline] lock_acquire+0x300/0x350 kernel/locking/lockdep.c:5849 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] class_rcu_constructor include/linux/rcupdate.h:1216 [inline] unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6499 [inline] kfree+0x1c5/0x6d0 mm/slub.c:6792 ieee80211_inform_bss+0xbda/0x10d0 net/mac80211/scan.c:164 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xd98/0x1bf0 net/wireless/scan.c:2410 cfg80211_inform_bss_data+0x263/0x3cc0 net/wireless/scan.c:3266 cfg80211_inform_bss_frame_data+0x3c7/0x840 net/wireless/scan.c:3358 ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet net/mac80211/rx.c:5427 [inline] ieee80211_rx_list+0x2d23/0x3b40 net/mac80211/rx.c:5720 ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5743 ieee80211_rx include/net/mac80211.h:5449 [inline] ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452 tasklet_action_common+0x31c/0x600 kernel/softirq.c:970 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645 run_ksoftirqd+0x53/0x190 kernel/softirq.c:1108 smpboot_thread_fn+0x565/0xa70 kernel/smpboot.c:160 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/u8:2 state:D stack:24264 pid:40 tgid:40 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_unbound nsim_dev_trap_report_work Call Trace: context_switch kernel/sched/core.c:5520 [inline] __schedule+0x16d9/0x5700 kernel/sched/core.c:7270 __schedule_loop kernel/sched/core.c:7347 [inline] schedule_rtlock+0x30/0x70 kernel/sched/core.c:7426 rtlock_slowlock_locked+0x35c9/0x3c20 kernel/locking/rtmutex.c:1895 rtlock_slowlock kernel/locking/rtmutex.c:1922 [inline] rtlock_lock kernel/locking/spinlock_rt.c:43 [inline] __rt_spin_lock kernel/locking/spinlock_rt.c:49 [inline] rt_spin_lock+0x165/0x400 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:45 [inline] tasklet_lock_callback kernel/softirq.c:909 [inline] tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] __local_bh_enable_ip+0x16f/0x2b0 kernel/softirq.c:325 local_bh_enable include/linux/bottom_half.h:33 [inline] __alloc_skb+0x1b1/0x7a0 net/core/skbuff.c:699 alloc_skb include/linux/skbuff.h:1384 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:744 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:801 [inline] nsim_dev_trap_report_work+0x2b1/0xcb0 drivers/net/netdevsim/dev.c:847 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write$vga_arbiter-userfaultfd program crashed: INFO: task hung in genl_rcv_msg final repro crashed as (corrupted=false): INFO: task syz-executor124:5624 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor124 state:D stack:24136 pid:5624 tgid:5624 ppid:5618 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5520 [inline] __schedule+0x16d9/0x5700 kernel/sched/core.c:7270 __schedule_loop kernel/sched/core.c:7347 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7643 rt_mutex_slowlock_block+0x55e/0x690 kernel/locking/rtmutex.c:1670 __rt_mutex_slowlock kernel/locking/rtmutex.c:1747 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1787 [inline] rt_mutex_slowlock+0x2d4/0x780 kernel/locking/rtmutex.c:1827 __rt_mutex_lock kernel/locking/rtmutex.c:1842 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7f5/0x990 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x41e/0x5d0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff3128fc067 RSP: 002b:00007ffdaa127920 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00005555806024c0 RCX: 00007ff3128fc067 RDX: 0000000000000024 RSI: 00007ff312985a50 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffdaa127974 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ff312985a50 Showing all locks held in the system: locks held by kworker/0:1/10: 3, on CPU#0: #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc900000f7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc900000f7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc900000f7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc900000f7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xac/0x1110 net/wireless/reg.c:2469 locks held by ksoftirqd/0/15: 6, last CPU#0: #0: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #2: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #2: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_lock_callback kernel/softirq.c:909 [inline] #2: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: ieee80211_rx_napi+0xd1/0x3d0 net/mac80211/rx.c:5742 #5: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 locks held by pr/ttyS0/17: 4, last CPU#1: #0: ffffffff8e09d538 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline] #0: ffffffff8e09d538 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:439 [inline] #0: ffffffff8e09d538 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 kernel/printk/printk.c:291 #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: nbcon_emit_one kernel/printk/nbcon.c:1137 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: nbcon_kthread_func+0x64c/0x880 kernel/printk/nbcon.c:1271 #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 #3: ffffffff99b1a748 (&____s->seqcount#2){--..}-{0:0}, at: ktime_get+0x45/0x220 kernel/time/timekeeping.c:1002 locks held by rcuc/1/28: 2, on CPU#1: #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #1: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #1: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_lock_callback kernel/softirq.c:909 [inline] #1: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 locks held by ksoftirqd/1/30: 6, last CPU#1: #0: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #2: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #2: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_lock_callback kernel/softirq.c:909 [inline] #2: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: ieee80211_rx_napi+0xd1/0x3d0 net/mac80211/rx.c:5742 #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: sta_info_get_bss+0x50/0x390 net/mac80211/sta_info.c:235 locks held by kworker/1:0/31: 5, last CPU#1: #0: ffff88823be04f38 ((wq_completion)mm_percpu_wq){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88823be04f38 ((wq_completion)mm_percpu_wq){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88823be04f38 ((wq_completion)mm_percpu_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88823be04f38 ((wq_completion)mm_percpu_wq){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc90000a5fc40 ((work_completion)(&(({ do { const void *__vpp_verify = (typeof((&vmstat_work) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))))((unsigned long)((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))) + (((__per_cpu_offset[(cpu)]))))); }))->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90000a5fc40 ((work_completion)(&(({ do { const void *__vpp_verify = (typeof((&vmstat_work) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))))((unsigned long)((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))) + (((__per_cpu_offset[(cpu)]))))); }))->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90000a5fc40 ((work_completion)(&(({ do { const void *__vpp_verify = (typeof((&vmstat_work) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))))((unsigned long)((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))) + (((__per_cpu_offset[(cpu)]))))); }))->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc90000a5fc40 ((work_completion)(&(({ do { const void *__vpp_verify = (typeof((&vmstat_work) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))))((unsigned long)((__typeof_unqual__(*((&vmstat_work))) *)(( unsigned long)((&vmstat_work)))) + (((__per_cpu_offset[(cpu)]))))); }))->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffff8880b8743418 (&pcp->lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #2: ffff8880b8743418 (&pcp->lock){+.+.}-{3:3}, at: decay_pcp_high+0x118/0x280 mm/page_alloc.c:2598 #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 #4: ffff8880b873c320 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160 kernel/sched/core.c:677 locks held by khungtaskd/38: 1, last CPU#0: #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6793 locks held by kworker/u8:3/57: 3, on CPU#1: #0: ffff888032594938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff888032594938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff888032594938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff888032594938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc9000123fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000123fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000123fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc9000123fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:134 [inline] #2: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x123/0x16e0 net/ipv6/addrconf.c:4230 locks held by kworker/u8:6/151: 6, last CPU#0: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc9000414fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000414fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000414fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc9000414fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffff8880324908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff8880324908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:527 #3: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 locks held by kworker/u8:8/1166: 6, on CPU#0: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc90006a07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc90006a07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc90006a07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc90006a07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffff8880406008d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff8880406008d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:527 #3: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #4: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #5: ffff888040600228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline] #5: ffff888040600228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xc22/0x1bf0 net/wireless/scan.c:2405 locks held by kworker/u8:10/1453: 8, last CPU#0: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc900070b7c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc900070b7c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc900070b7c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc900070b7c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffff8880404e08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff8880404e08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:527 #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: raw_spin_rq_lock_nested+0x2d/0x160 kernel/sched/core.c:677 #4: ffff8880b8624548 (psi_seq){-...}-{0:0}, at: psi_task_switch+0x57/0x790 kernel/sched/psi.c:933 #5: ffff8880b8628558 (hrtimer_bases.lock){-...}-{2:2}, at: lock_hrtimer_base kernel/time/hrtimer.c:192 [inline] #5: ffff8880b8628558 (hrtimer_bases.lock){-...}-{2:2}, at: hrtimer_start_range_ns+0x8c/0x3f0 kernel/time/hrtimer.c:1528 #6: ffffffff99b1a748 (&____s->seqcount#2){--..}-{0:0}, at: ktime_get+0x45/0x220 kernel/time/timekeeping.c:1002 #7: ffffffff99b1a748 (&____s->seqcount#2){--..}-{0:0}, at: ktime_get+0x45/0x220 kernel/time/timekeeping.c:1002 locks held by kworker/u8:12/3094: 5, on CPU#1: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc9000fa07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000fa07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000fa07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc9000fa07c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffff8880421108d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff8880421108d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:527 #3: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #4: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #4: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_lock_callback kernel/softirq.c:909 [inline] #4: ffff8880b87241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 locks held by kworker/u8:13/3180: 3, on CPU#1: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc9000f947c40 ((linkwatch_work).work){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000f947c40 ((linkwatch_work).work){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000f947c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc9000f947c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:313 locks held by kworker/u8:14/3384: 7, last CPU#0: #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc9000fd77c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000fd77c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000fd77c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc9000fd77c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffffffff8e051e70 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #3: ffffffff8e2a10f8 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #3: ffffffff8e2a10f8 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xcb/0x240 kernel/jump_label.c:207 #4: ffffffff8e068718 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x200 mm/pgtable-generic.c:290 #6: ffff88813ff5ac58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #6: ffff88813ff5ac58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #6: ffff88813ff5ac58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #6: ffff88813ff5ac58 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 locks held by klogd/4939: 2, on CPU#0: #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186 #1: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #1: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_lock_callback kernel/softirq.c:909 [inline] #1: ffff8880b86241a0 (tasklet_sync_callback.cb_lock){+...}-{3:3}, at: tasklet_action_common+0xc5/0x600 kernel/softirq.c:959 locks held by kworker/0:3/5316: 3, last CPU#0: #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #0: ffff88813ff26538 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #1: ffffc900049afc40 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc900049afc40 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc900049afc40 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3352 [inline] #1: ffffc900049afc40 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3470 #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x274/0x18b0 net/netfilter/nf_conntrack_core.c:1532 locks held by getty/5341: 2, on CPU#1: #0: ffff888035cb80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900044c32e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211 locks held by syz-executor124/5620: 2, on CPU#0: #0: ffffffff8f63f3e0 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: nl80211_pre_doit+0x5e/0x890 net/wireless/nl80211.c:19477 locks held by syz-executor124/5623: 4, on CPU#0: #0: ffffffff8f63f3e0 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 #2: ffffffff8f5cddf8 (rtnl_mutex){+.+.}-{4:4}, at: wiphy_register+0x1faf/0x2ff0 net/wireless/core.c:1157 #3: ffff8880406008d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #3: ffff8880406008d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0x8d/0x160 net/wireless/reg.c:3195 locks held by syz-executor124/5621: 3, last CPU#0: #0: ffffffff8e29ea30 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8e29ea30 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x10f/0x480 kernel/fork.c:1595 #1: ffff88803a2cc7b0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88803a2cc7b0 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x18e/0x1d80 mm/mmap.c:1716 #2: ffff888039963a30 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff888039963a30 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x27d/0x1d80 mm/mmap.c:1723 locks held by syz-executor124/5624: 2, on CPU#1: #0: ffffffff8f63f3e0 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217 #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffffffff8f63f1f8 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 net/netlink/genetlink.c:1208 locks held by syz-executor124/5622: 3, last CPU#0: #0: ffffffff8de0a0a8 (tasklist_lock){++++}-{3:3}, at: read_lock include/linux/rwlock_rt.h:38 [inline] #0: ffffffff8de0a0a8 (tasklist_lock){++++}-{3:3}, at: kill_something_info kernel/signal.c:1583 [inline] #0: ffffffff8de0a0a8 (tasklist_lock){++++}-{3:3}, at: __do_sys_kill kernel/signal.c:3963 [inline] #0: ffffffff8de0a0a8 (tasklist_lock){++++}-{3:3}, at: __se_sys_kill+0x6b/0x360 kernel/signal.c:3961 #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_read_lock+0x279/0x4b0 kernel/locking/spinlock_rt.c:251 #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: lock_task_sighand+0x29/0x2a0 kernel/signal.c:1355 locks held by syz-executor124/5725: 1, last CPU#0: #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline] #0: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495 locks held by syz-executor124/5726: 2, last CPU#0: #0: ffff88803a9391b0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:600 [inline] #0: ffff88803a9391b0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0x6f/0x240 kernel/exit.c:590 #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #1: ffffffff8e1c3a80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57 locks held by syz-executor124/5727: 2, last CPU#0: #0: ffff888025320390 (&type->i_mutex_dir_key#5){++++}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline] #0: ffff888025320390 (&type->i_mutex_dir_key#5){++++}-{4:4}, at: do_lock_mount+0x2a4/0x970 fs/namespace.c:2768 #1: ffffffff8e33f800 (namespace_sem){++++}-{4:4}, at: namespace_lock fs/namespace.c:1734 [inline] #1: ffffffff8e33f800 (namespace_sem){++++}-{4:4}, at: do_lock_mount+0x2b0/0x970 fs/namespace.c:2769 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd7/0x1030 kernel/hung_task.c:561 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 17 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:io_serial_in+0x77/0xc0 drivers/tty/serial/8250/8250_port.c:409 Code: e8 fe e7 66 fc 44 89 f9 d3 e3 49 83 ee 80 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 0f 85 d2 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f e9 4a 30 f8 05 cc 44 89 f9 80 e1 07 RSP: 0018:ffffc900001678b8 EFLAGS: 00000202 RAX: 1ffffffff33d1e00 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff855f8550 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff99e8f1a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125cde000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 000000002672c000 CR4: 00000000003526f0 Call Trace: serial_in drivers/tty/serial/8250/8250.h:128 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:150 [inline] wait_for_lsr+0x190/0x300 drivers/tty/serial/8250/8250_port.c:2013 serial8250_fifo_wait_for_lsr_thre drivers/tty/serial/8250/8250_port.c:3270 [inline] __serial8250_console_fifo_write+0x34f/0x3f0 drivers/tty/serial/8250/8250_port.c:3372 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3378 [inline] __serial8250_console_write drivers/tty/serial/8250/8250_port.c:3429 [inline] serial8250_console_write+0xac5/0x1230 drivers/tty/serial/8250/8250_port.c:3493 nbcon_emit_next_record+0xef5/0x1a90 kernel/printk/nbcon.c:-1 nbcon_emit_one kernel/printk/nbcon.c:1157 [inline] nbcon_kthread_func+0x679/0x880 kernel/printk/nbcon.c:1271 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245