Extracting prog: 16m45.625288389s Minimizing prog: 1h55m45.00505735s Simplifying prog options: 0s Extracting C: 4m11.777126121s Simplifying C: 1h6m8.011331359s extracting reproducer from 31 programs testing a last program of every proc single: executing 6 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): execveat-syz_init_net_socket$bt_l2cap-getsockopt$bt_l2cap_L2CAP_LM-syz_mount_image$fuse-mount-mount$bind-openat$kvm-socket$netlink-bpf$ENABLE_STATS-prlimit64-sched_setscheduler-sched_setaffinity-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setaffinity-socket$inet6_tcp-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM-recvmmsg detailed listing: executing program 0: execveat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000780)={[], 0x1000000}, 0x800) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) syz_mount_image$fuse(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0) mount$bind(0x0, &(0x7f0000000440)='./file0\x00', 0x0, 0x20, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x400880, 0x0) socket$netlink(0x10, 0x3, 0x0) bpf$ENABLE_STATS(0x20, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000100)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000004c0)=@file={0x0, './file0/file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0x12, 0x4, 0x4, 0x12}, 0x50) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000a80)={r5, &(0x7f0000000640), &(0x7f0000000280)=@tcp6=r4}, 0x20) recvmmsg(r4, &(0x7f0000000d00)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}, 0x845af6a6}, {{0x0, 0x0, 0x0}, 0x1}, {{&(0x7f0000000940)=@sco, 0x80, &(0x7f0000000c00)=[{&(0x7f00000009c0)=""/133, 0x85}, {0x0}], 0x2}, 0x2d5}], 0x4, 0x10041, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-openat-socket$nl_generic-fsopen-fsconfig$FSCONFIG_CMD_CREATE-socket$can_bcm-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_netfilter-socket$nl_generic-socketpair$unix-socket$nl_route-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_UPDATE_ELEM_TAIL_CALL-socket$inet_tcp-ioctl$sock_SIOCGIFINDEX-bpf$BPF_LINK_CREATE_XDP-syz_emit_ethernet detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x183341, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = fsopen(&(0x7f0000000000)='configfs\x00', 0x1) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) socket$can_bcm(0x1d, 0x2, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_generic(0x10, 0x3, 0x10) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000003600)) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0e000000040000000800000005"], 0x48) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000006080)={0x6, 0xc, &(0x7f00000001c0)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bc82000000000000a6020000f8ffffffb703000008000000ac03000000000000850000003300000095"], &(0x7f0000000780)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x28, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000008c0)={{r1}, &(0x7f0000000840), &(0x7f0000000880)=r2}, 0x20) r3 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000180)={'syz_tun\x00', 0x0}) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000005c0)={r2, r4, 0x25, 0x2, @void}, 0x10) syz_emit_ethernet(0x4e, &(0x7f0000000800)={@random="61fe71b72b5f", @link_local={0x17, 0x80, 0xc2, 0x2, 0x9, 0x3}, @void, {@ipv6={0x4305, @icmpv6={0x0, 0x6, "001958", 0x18, 0x3a, 0xff, @dev={0xfe, 0x80, '\x00', 0x18}, @mcast2, {[], @ndisc_na={0x88, 0x0, 0x0, 0x49, '\x00', @private0={0xfc, 0x0, '\x00', 0x1}}}}}}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-fcntl$lock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000000140)={0x1, 0x1, 0x7, 0x5}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 15 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-fcntl$lock-timer_create-fcntl$lock-mprotect detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000000140)={0x1, 0x1, 0x7, 0x5}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-fcntl$lock-timer_create-fcntl$lock-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000000140)={0x1, 0x1, 0x7, 0x5}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-fcntl$lock-timer_create-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000000140)={0x1, 0x1, 0x7, 0x5}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-fcntl$lock-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000000140)={0x1, 0x1, 0x7, 0x5}) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-ioctl$sock_SIOCGIFINDEX_80211-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan1\x00'}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in sys_getpid testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_START_AP-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYRES32, @ANYBLOB="4a000e00"], 0x84}}, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-syz_genetlink_get_family_id$nl80211-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-socket$nl_generic-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) socket$nl_generic(0x10, 0x3, 0x10) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in do_vmi_munmap testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-close_range-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$cgroup_ro-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.current\x00', 0x275a, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, 0x0, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program did not crash testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in inet_rtm_newaddr validation run: crashed=true reproducing took 3h53m44.59933405s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6038/1:b..l rcu: (detected by 1, t=10502 jiffies, g=15845, q=689 ncpus=2) task:syz-executor state:R running task stack:21704 pid:6038 ppid:6028 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:unwind_next_frame+0x2264/0x2970 arch/x86/kernel/unwind_orc.c:682 Code: 2a e8 50 bc 4b 00 42 0f b6 04 2b 84 c0 75 46 41 c7 04 24 00 00 00 00 31 c0 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e8 26 bc 4b 00 e8 c1 44 c5 ff eb cf 44 89 e1 80 e1 07 80 c1 03 RSP: 0018:ffffc900037e6600 EFLAGS: 00000292 RAX: ffffffff813b5301 RBX: ffffc900037e66c0 RCX: ffff88802872da00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900037e6690 R08: ffff88802872da00 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff89137bab R13: ffffffff8ca73388 R14: ffffffff8175b850 R15: ffffc900037e6608 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:384 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:721 [inline] ref_tracker_alloc+0x162/0x4c0 lib/ref_tracker.c:203 __netdev_tracker_alloc include/linux/netdevice.h:4110 [inline] netdev_hold include/linux/netdevice.h:4139 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1239 [inline] fib_check_nh+0xd23/0x1a70 net/ipv4/fib_semantics.c:1259 fib_create_info+0x142c/0x2460 net/ipv4/fib_semantics.c:1557 fib_table_insert+0xc6/0x1b20 net/ipv4/fib_trie.c:1217 fib_magic+0x2e5/0x3c0 net/ipv4/fib_frontend.c:1118 fib_add_ifaddr+0x3fb/0x5e0 net/ipv4/fib_frontend.c:1162 fib_inetaddr_event+0x140/0x1d0 net/ipv4/fib_frontend.c:1454 notifier_call_chain+0x197/0x380 kernel/notifier.c:93 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:388 __inet_insert_ifa+0x9bc/0xbd0 net/ipv4/devinet.c:570 inet_rtm_newaddr+0xc1d/0x1ae0 net/ipv4/devinet.c:986 rtnetlink_rcv_msg+0x869/0xfa0 net/core/rtnetlink.c:6472 netlink_rcv_skb+0x241/0x4d0 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x4a9/0x6b0 net/socket.c:2200 __do_sys_sendto net/socket.c:2212 [inline] __se_sys_sendto net/socket.c:2208 [inline] __x64_sys_sendto+0xde/0xf0 net/socket.c:2208 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f9ce0f5b78e RSP: 002b:00007ffe780c2258 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00005555776de500 RCX: 00007f9ce0f5b78e RDX: 0000000000000028 RSI: 00007f9ce1d44670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffe780c22d4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f9ce1d44670 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10572 jiffies! g15845 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27656 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6191 Comm: syz.5.48 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:get_signal+0x4f/0x13f0 kernel/signal.c:2672 Code: 84 24 b8 00 00 00 49 be 00 00 00 00 00 fc ff df e8 76 35 32 00 65 4c 8b 3d 7e d6 ae 7e 4d 89 fc 49 8d bf 18 09 00 00 48 89 f8 <48> c1 e8 03 42 80 3c 30 00 74 05 e8 a1 5c 8a 00 4d 8b ac 24 18 09 RSP: 0018:ffffc90003457c88 EFLAGS: 00000293 RAX: ffff888028778918 RBX: 1ffff9200068afb4 RCX: ffff888028778000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888028778918 RBP: ffffc90003457ec0 R08: ffffc90003457e37 R09: 0000000000000000 R10: ffffc90003457de0 R11: fffff5200068afc7 R12: ffff888028778000 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888028778000 FS: 000055558dc1c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 000000002f1f6000 CR4: 00000000003506f0 Call Trace: arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ffaa876d500 Code: e9 d8 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f9 6e c6 48 89 f8 48 83 fa 20 0f 82 cf 00 00 00 c4 e2 7d 78 c0 RSP: 002b:00007fff22be1228 EFLAGS: 00000202 RAX: 000000007fffffff RBX: 00007ffaa9545720 RCX: 0000000000000000 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000001b2d563fb6 RBP: 0000000000000006 R08: 0000000000000000 R09: 00007ffaa8a16038 R10: 0000000000000003 R11: 0000000000000004 R12: 0000000000000044 R13: 000000000000003c R14: 0000000000000006 R15: 0000000000000004 sched: RT throttling activated final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6038/1:b..l rcu: (detected by 1, t=10502 jiffies, g=15845, q=689 ncpus=2) task:syz-executor state:R running task stack:21704 pid:6038 ppid:6028 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:unwind_next_frame+0x2264/0x2970 arch/x86/kernel/unwind_orc.c:682 Code: 2a e8 50 bc 4b 00 42 0f b6 04 2b 84 c0 75 46 41 c7 04 24 00 00 00 00 31 c0 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e8 26 bc 4b 00 e8 c1 44 c5 ff eb cf 44 89 e1 80 e1 07 80 c1 03 RSP: 0018:ffffc900037e6600 EFLAGS: 00000292 RAX: ffffffff813b5301 RBX: ffffc900037e66c0 RCX: ffff88802872da00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900037e6690 R08: ffff88802872da00 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff89137bab R13: ffffffff8ca73388 R14: ffffffff8175b850 R15: ffffc900037e6608 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:384 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:721 [inline] ref_tracker_alloc+0x162/0x4c0 lib/ref_tracker.c:203 __netdev_tracker_alloc include/linux/netdevice.h:4110 [inline] netdev_hold include/linux/netdevice.h:4139 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1239 [inline] fib_check_nh+0xd23/0x1a70 net/ipv4/fib_semantics.c:1259 fib_create_info+0x142c/0x2460 net/ipv4/fib_semantics.c:1557 fib_table_insert+0xc6/0x1b20 net/ipv4/fib_trie.c:1217 fib_magic+0x2e5/0x3c0 net/ipv4/fib_frontend.c:1118 fib_add_ifaddr+0x3fb/0x5e0 net/ipv4/fib_frontend.c:1162 fib_inetaddr_event+0x140/0x1d0 net/ipv4/fib_frontend.c:1454 notifier_call_chain+0x197/0x380 kernel/notifier.c:93 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:388 __inet_insert_ifa+0x9bc/0xbd0 net/ipv4/devinet.c:570 inet_rtm_newaddr+0xc1d/0x1ae0 net/ipv4/devinet.c:986 rtnetlink_rcv_msg+0x869/0xfa0 net/core/rtnetlink.c:6472 netlink_rcv_skb+0x241/0x4d0 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x4a9/0x6b0 net/socket.c:2200 __do_sys_sendto net/socket.c:2212 [inline] __se_sys_sendto net/socket.c:2208 [inline] __x64_sys_sendto+0xde/0xf0 net/socket.c:2208 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f9ce0f5b78e RSP: 002b:00007ffe780c2258 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00005555776de500 RCX: 00007f9ce0f5b78e RDX: 0000000000000028 RSI: 00007f9ce1d44670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffe780c22d4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f9ce1d44670 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10572 jiffies! g15845 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27656 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6191 Comm: syz.5.48 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:get_signal+0x4f/0x13f0 kernel/signal.c:2672 Code: 84 24 b8 00 00 00 49 be 00 00 00 00 00 fc ff df e8 76 35 32 00 65 4c 8b 3d 7e d6 ae 7e 4d 89 fc 49 8d bf 18 09 00 00 48 89 f8 <48> c1 e8 03 42 80 3c 30 00 74 05 e8 a1 5c 8a 00 4d 8b ac 24 18 09 RSP: 0018:ffffc90003457c88 EFLAGS: 00000293 RAX: ffff888028778918 RBX: 1ffff9200068afb4 RCX: ffff888028778000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888028778918 RBP: ffffc90003457ec0 R08: ffffc90003457e37 R09: 0000000000000000 R10: ffffc90003457de0 R11: fffff5200068afc7 R12: ffff888028778000 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888028778000 FS: 000055558dc1c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 000000002f1f6000 CR4: 00000000003506f0 Call Trace: arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ffaa876d500 Code: e9 d8 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f9 6e c6 48 89 f8 48 83 fa 20 0f 82 cf 00 00 00 c4 e2 7d 78 c0 RSP: 002b:00007fff22be1228 EFLAGS: 00000202 RAX: 000000007fffffff RBX: 00007ffaa9545720 RCX: 0000000000000000 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000001b2d563fb6 RBP: 0000000000000006 R08: 0000000000000000 R09: 00007ffaa8a16038 R10: 0000000000000003 R11: 0000000000000004 R12: 0000000000000044 R13: 000000000000003c R14: 0000000000000006 R15: 0000000000000004 sched: RT throttling activated