Extracting prog: 51m56.482173892s Minimizing prog: 1h58m3.904355351s Simplifying prog options: 0s Extracting C: 3m7.662468756s Simplifying C: 23m32.258344633s extracting reproducer from 68 programs testing a last program of every proc single: executing 18 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}}): socket$xdp-setsockopt$XDP_UMEM_REG-setsockopt$XDP_TX_RING-socket$tipc-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-socket-dup2-setsockopt$XDP_UMEM_COMPLETION_RING-ioctl$sock_SIOCGIFINDEX-setsockopt$XDP_UMEM_FILL_RING-bind$xdp-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f0000000080)={&(0x7f0000000000)=""/5, 0x214000, 0x800}, 0x20) (async) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000180)=0x800, 0x4) r1 = socket$tipc(0x1e, 0x2, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f000000c2c0)={0x0, 0xfffffffffffffe98, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd502f000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000021800000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x4004110) sendmsg$NFT_BATCH(r2, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101804bc9555e1affd5020000000900010001797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a300000000009000300737975320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x480d5}, 0x0) r3 = socket(0x400000000010, 0x3, 0x0) dup2(r3, r2) (async) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f00000000c0)=0x20000, 0x4) (async) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000400)={'dummy0\x00', 0x0}) (async, rerun: 32) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000140)=0x4000, 0x4) (rerun: 32) bind$xdp(r0, &(0x7f0000000100)={0x2c, 0x0, r4}, 0x10) (async) r5 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000011008188040f46ecdb4cb9cca7480e1211000000e3bd012a128748b429021627e305dd2b7a146efb4400", 0x2e}], 0x1}, 0x4048004) 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}}): openat$uinput-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_DEVICE-syz_open_dev$ttys-ioctl$TIOCSLCKTRMIOS-ioctl$KVM_HAS_DEVICE_ATTR-ioctl$UI_BEGIN_FF_ERASE-ioctl$UI_DEV_DESTROY-openat$cgroup_ro-mmap-mmap-ioctl$FS_IOC_RESVSP-openat$kvm-ioctl$KVM_CHECK_EXTENSION detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x802, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000300), 0x1, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_DEVICE(r2, 0xc00caee0, &(0x7f0000000140)={0x4, 0xffffffffffffffff}) r4 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TIOCSLCKTRMIOS(r4, 0x5457, 0x0) ioctl$KVM_HAS_DEVICE_ATTR(r3, 0x4018aee3, &(0x7f00000001c0)=@attr_other={0x0, 0x4, 0x200000006, 0x0}) ioctl$UI_BEGIN_FF_ERASE(r0, 0xc00c55ca, 0x0) ioctl$UI_DEV_DESTROY(r0, 0x5502) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='blkio.bfq.io_service_bytes\x00', 0x275a, 0x0) mmap(&(0x7f00004f1000/0x3000)=nil, 0x3000, 0x2000006, 0x12, r5, 0x913e0000) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3, 0x28011, r5, 0x0) ioctl$FS_IOC_RESVSP(r5, 0x40305829, &(0x7f0000000180)={0x1100, 0x0, 0x52, 0x11000}) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380), 0x601, 0x0) ioctl$KVM_CHECK_EXTENSION(r6, 0xae03, 0xffffffffffffff80) 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}}): syz_usb_connect-memfd_create-dup-write$nbd-finit_module-syz_usb_control_io$printer detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000751c0110e60f00979ad1010203010902240001000000000904290202b48cbb0009050402100000fa000905820240"], 0x0) r1 = memfd_create(&(0x7f0000000080)='-B\xd5NI\xc5j\x9appp\xf0\b\x84\xa2m\x00\v\x18\x004\xa6Ey\xdb\xd1\xa7\xb1S\xf1:)\x00\xca\xd7Uw\x00\xbc\xfa2\xb3\xbb\x8d\xac\xac\xbe\xe1\xbf\x00nh#\xcf)\x0f\xc8\xc0\"\x9cc\x10d\xee\xa9\x8b\x06\x97k\xde\xc5\xe96\xddU)\xc98M\xcd\xfb\xcc\x82n=\x7f=\xcdJx\xaa\xcf~\xb90a\xa9\xb2\x04\x1d\xa1\xce\x8b\x19\xea\xef\xe3\x00\x00\x00\x00\xe5\x00\x00\x00', 0x0) r2 = dup(r1) write$nbd(r2, &(0x7f0000000240)=ANY=[], 0x10) finit_module(r2, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 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}}): syz_usb_connect-openat$kvm-fsetxattr$system_posix_acl-syz_usb_control_io$printer detailed listing: executing program 0: r0 = syz_usb_connect(0x2, 0x36, &(0x7f0000000100)=ANY=[@ANYBLOB="12010000ffd26f10cb060600eb9a0102030109022400010000000009040001020a16d1000905070000000000000905", @ANYRES16], 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0) fsetxattr$system_posix_acl(r1, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f0000000380)=ANY=[@ANYBLOB="0200"], 0xff8b, 0x3) syz_usb_control_io$printer(r0, 0x0, 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$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000002600010324bd701c509f5225010000008736fdd0af3ed0480b9e37682799ff50adf8f99f754d9f15209147135e1cfcecb65fc6a9641be7e7550c4a2ba346ab527c223833a7e3e640aef73f56972182d64ab10f0a718c130bc858a1b5c726b41166c659f11654d99028eb0772086163e6e2c0feae9639dbb9370dbac7da645b21d10fabaec333e27b74612a9958f0a18963ac0f1665"], 0x14}, 0x1, 0x0, 0x0, 0x4008}, 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$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000002600010324bd701c509f5225010000008736fdd0af3ed0480b9e37682799ff50adf8f99f754d9f15209147135e1cfcecb65fc6a9641be7e7550c4a2ba346ab527c223833a7e3e640aef73f56972182d64ab10f0a718c130bc858a1b5c726b41166c659f11654d99028eb0772086163e6e2c0feae9639dbb9370dbac7da645b21d10fabaec333e27b74612a9958f0a18963ac0f1665"], 0x14}, 0x1, 0x0, 0x0, 0x4008}, 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$nl_route-sendmsg$netlink-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CONNECT detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="1c0000001900150000000000fc7fffff0a0000000000100061dc573fed6a572831f16983e600000000"], 0x1c}], 0x1}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000640)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000001a00)={&(0x7f0000000340)={0x20, r2, 0x5, 0x70bd2a, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@NL80211_ATTR_SSID={0x4}]}, 0x20}}, 0x810) 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$nl_route-sendmsg$netlink-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CONNECT detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="1c0000001900150000000000fc7fffff0a0000000000100061dc573fed6a572831f16983e600000000"], 0x1c}], 0x1}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000640)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000001a00)={&(0x7f0000000340)={0x20, r2, 0x5, 0x70bd2a, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@NL80211_ATTR_SSID={0x4}]}, 0x20}}, 0x810) 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-syz_open_dev$evdev-dup3-write$uinput_user_dev-recvmsg$unix-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = socket(0x1d, 0x2, 0x6) r3 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r3, 0x0, 0xd, 0x0, 0x0) r4 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r4, 0x101, 0xa, 0x0, 0x0) (async) r5 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r5, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r6 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r5, 0x5501, 0x0) (rerun: 32) r7 = syz_open_dev$evdev(&(0x7f0000000040), 0xfffffffffffffffe, 0x2) dup3(r7, r5, 0x80000) (async) write$uinput_user_dev(r5, 0x0, 0x0) (async) recvmsg$unix(r2, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x40010020) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit single: successfully extracted reproducer found reproducer with 20 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-syz_open_dev$evdev-dup3-write$uinput_user_dev-recvmsg$unix detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r4, 0x5501, 0x0) (rerun: 32) r6 = syz_open_dev$evdev(&(0x7f0000000040), 0xfffffffffffffffe, 0x2) dup3(r6, r4, 0x80000) (async) write$uinput_user_dev(r4, 0x0, 0x0) (async) recvmsg$unix(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x40010020) (async) 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-syz_open_dev$evdev-dup3-write$uinput_user_dev-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r4, 0x5501, 0x0) (rerun: 32) r6 = syz_open_dev$evdev(&(0x7f0000000040), 0xfffffffffffffffe, 0x2) dup3(r6, r4, 0x80000) (async) write$uinput_user_dev(r4, 0x0, 0x0) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-syz_open_dev$evdev-dup3-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r4, 0x5501, 0x0) (rerun: 32) r6 = syz_open_dev$evdev(&(0x7f0000000040), 0xfffffffffffffffe, 0x2) dup3(r6, r4, 0x80000) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-syz_open_dev$evdev-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r4, 0x5501, 0x0) (rerun: 32) syz_open_dev$evdev(&(0x7f0000000040), 0xfffffffffffffffe, 0x2) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UI_DEV_SETUP-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="fc0000001c000704ab5b2509b868030002ab087a0100000001481093210001c0f0030584050060100000000000039815fa2c53c28648000000b9d95662537a00bc000c00f0ff7f0000b400600033d44000040560916a0033f436313012dafd5a32e273fc83ab82d710f74cec184406f90d435ef8b29d3ef3d92c94170e5bba2e177312e081bea05d3a021e8ca062914a46ccfc510bb73c9455cdc8363ae4f5df77bc4cfd6239ec2a0f0d1bcae5fa0f5f9dcdd51af51af8502943283f4bb102b2b8f5566791cf190201ded815b2ccd243f395ed94e0ad91bd6433802e0784f2013cd1890058a10000c880ac801fe4af000049f0d4796f0000090548de", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) ioctl$UI_DEV_SETUP(r4, 0x5501, 0x0) (rerun: 32) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$netlink-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) r5 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x14, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x4, 0x2}]}, 0x14}], 0x1, 0x0, 0x0, 0x4000}, 0x0) (async, rerun: 32) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-syz_init_net_socket$nl_rdma-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-ioctl$UI_DEV_SETUP-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) ioctl$UI_DEV_SETUP(r4, 0x405c5503, &(0x7f0000000380)={{0x0, 0xfff, 0x4b, 0x8009}, 'syz0\x00', 0x3e}) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-openat$uinput-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x801, 0x0) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-setsockopt$ax25_int-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) r3 = syz_init_net_socket$ax25(0x3, 0x3, 0xcf) setsockopt$ax25_int(r3, 0x101, 0xa, 0x0, 0x0) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-syz_init_net_socket$ax25-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) syz_init_net_socket$ax25(0x3, 0x3, 0xcf) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-setsockopt$inet_int-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) r2 = socket$inet_icmp(0x2, 0x2, 0x1) setsockopt$inet_int(r2, 0x0, 0xd, 0x0, 0x0) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-socket$inet_icmp-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) socket$inet_icmp(0x2, 0x2, 0x1) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-write-timer_settime-socket$nl_generic-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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}}): gettid-socket-write-timer_settime-socket-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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}}): gettid-socket-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): gettid-socket-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) socket(0x8000000010, 0x2, 0x0) (rerun: 64) r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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}}): gettid-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: gettid() (async, rerun: 64) write(0xffffffffffffffff, &(0x7f00000002c0)="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", 0xfc) r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) (rerun: 64) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0), 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, 0x0, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={0x0, 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) 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}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic 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}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic program crashed: INFO: task hung in nfsd_nl_listener_set_doit testing 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit validation run: crashed=true testing 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit validation run: crashed=true testing 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-write-socket$nl_generic-socket-sendmsg$nl_generic detailed listing: executing program 0: r0 = socket(0x8000000010, 0x2, 0x0) write(r0, &(0x7f00000002c0)="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", 0xfc) r1 = socket$nl_generic(0x10, 0x3, 0x10) socket(0x1d, 0x2, 0x6) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)=ANY=[@ANYBLOB="140000002600010026030000fcdbdf2506"], 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) program crashed: INFO: task hung in nfsd_nl_listener_set_doit validation run: crashed=true reproducing took 3h26m10.942954397s repro crashed as (corrupted=false): INFO: task syz.3.20:6087 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.20 state:D stack:26408 pid:6087 tgid:6087 ppid:5959 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8485d9bf79 RSP: 002b:00007ffd592c2aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8486015fa0 RCX: 00007f8485d9bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f8485e327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8486015fac R14: 00007f8486015fa0 R15: 00007f8486015fa0 INFO: task syz.1.18:6088 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:24888 pid:6088 tgid:6088 ppid:5953 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f540a79bf79 RSP: 002b:00007ffc82856048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f540aa15fa0 RCX: 00007f540a79bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f540a8327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f540aa15fac R14: 00007f540aa15fa0 R15: 00007f540aa15fa0 INFO: task syz.2.19:6089 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.19 state:D stack:26408 pid:6089 tgid:6089 ppid:5957 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5d819bf79 RSP: 002b:00007fff36cdbf08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb5d8415fa0 RCX: 00007fb5d819bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007fb5d82327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb5d8415fac R14: 00007fb5d8415fa0 R15: 00007fb5d8415fa0 Showing all locks held in the system: 3 locks held by kworker/u8:0/12: #0: ffff888031e48948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x855/0x1650 kernel/workqueue.c:3254 #1: ffffc90000117c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650 kernel/workqueue.c:3255 #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11e/0x14c0 net/ipv6/addrconf.c:4199 1 lock held by khungtaskd/31: #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:3/49: #0: ffff88813fe04148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x855/0x1650 kernel/workqueue.c:3254 #1: ffffc90000b97c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650 kernel/workqueue.c:3255 #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:313 1 lock held by klogd/5180: #0: ffff8880b853ade0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150 kernel/sched/core.c:647 2 locks held by getty/5579: #0: ffff888032a480a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0 drivers/tty/n_tty.c:2211 2 locks held by syz.0.17/6086: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.20/6087: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.18/6088: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.19/6089: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.21/6200: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.24/6201: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.22/6202: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.23/6203: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.9.26/6297: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.25/6298: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.0.27/6299: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.28/6300: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.29/6385: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.32/6395: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.31/6396: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.30/6397: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.33/6465: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.34/6509: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.9.36/6510: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.35/6511: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.0.37/6539: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.40/6593: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.38/6594: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.39/6595: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.41/6626: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.43/6698: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.42/6705: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.44/6706: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.45/6733: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 3 locks held by syz-executor/6737: #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2789 [inline] #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: do_setlink+0x3d2/0x4590 net/core/rtnetlink.c:3068 #2: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline] #2: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961 2 locks held by syz-executor/6751: #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 2 locks held by syz-executor/6753: #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 1 lock held by dhcpcd/6762: #0: ffff88807da17508 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1028 [inline] #0: ffff88807da17508 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: __sock_release+0x89/0x250 net/socket.c:665 2 locks held by dhcpcd/6763: #0: ffff88805b69a260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline] #0: ffff88805b69a260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe70 net/packet/af_packet.c:3198 #1: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline] #1: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:161 [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:346 [inline] watchdog+0xfd9/0x1030 kernel/hung_task.c:515 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 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: 6751 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__lock_acquire+0x6d5/0x2cf0 kernel/locking/lockdep.c:5207 Code: ba 08 00 00 00 e8 6b 44 00 00 31 ed 85 c0 0f 84 6d 0d 00 00 83 3d 9a cd aa 18 00 75 13 48 63 44 24 18 48 0f a3 05 ab 3d a7 12 <0f> 83 8a 1e 00 00 49 8b 9e 08 0b 00 00 48 83 7c 24 28 00 75 19 83 RSP: 0018:ffffc9000576e678 EFLAGS: 00000047 RAX: 0000000000000007 RBX: ffff8880673b4808 RCX: ffffffff93ea2988 RDX: 0000000000000008 RSI: ffff8880673b47e8 RDI: ffff8880673b3c80 RBP: 0000000000000000 R08: ffffffff8176da45 R09: ffffffff8e9602e0 R10: ffffc9000576e958 R11: ffffffff81b11580 R12: 0000000000000004 R13: ffff8880673b47e8 R14: ffff8880673b3c80 R15: 0000000000000002 FS: 0000555569902500(0000) GS:ffff88812510b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560488447660 CR3: 0000000034910000 CR4: 00000000003526f0 Call Trace: lock_acquire+0xf0/0x2e0 kernel/locking/lockdep.c:5868 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0xc2/0x23c0 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 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] kmem_cache_alloc_node_noprof+0x384/0x690 mm/slub.c:4882 __alloc_skb+0x1d0/0x7d0 net/core/skbuff.c:702 alloc_skb include/linux/skbuff.h:1383 [inline] alloc_uevent_skb+0x7d/0x230 lib/kobject_uevent.c:289 uevent_net_broadcast_tagged lib/kobject_uevent.c:352 [inline] kobject_uevent_net_broadcast+0x184/0x560 lib/kobject_uevent.c:413 kobject_uevent_env+0x55c/0x9e0 lib/kobject_uevent.c:608 device_add+0x557/0xb70 drivers/base/core.c:3670 netdev_register_kobject+0x178/0x310 net/core/net-sysfs.c:2358 register_netdevice+0x12c0/0x1cf0 net/core/dev.c:11407 wg_newlink+0x391/0x670 drivers/net/wireguard/device.c:372 rtnl_newlink_create+0x329/0xb70 net/core/rtnetlink.c:3840 __rtnl_newlink net/core/rtnetlink.c:3957 [inline] rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] __sys_sendto+0x3ff/0x590 net/socket.c:2221 __do_sys_sendto net/socket.c:2228 [inline] __se_sys_sendto net/socket.c:2224 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2224 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f06c1d5c84e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007fff339adb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555569902500 RCX: 00007f06c1d5c84e RDX: 000000000000004c RSI: 00007f06c2b44670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fff339adb94 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f06c2b44670 R15: 0000000000000000 final repro crashed as (corrupted=false): INFO: task syz.3.20:6087 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.20 state:D stack:26408 pid:6087 tgid:6087 ppid:5959 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8485d9bf79 RSP: 002b:00007ffd592c2aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8486015fa0 RCX: 00007f8485d9bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f8485e327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8486015fac R14: 00007f8486015fa0 R15: 00007f8486015fa0 INFO: task syz.1.18:6088 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:24888 pid:6088 tgid:6088 ppid:5953 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f540a79bf79 RSP: 002b:00007ffc82856048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f540aa15fa0 RCX: 00007f540a79bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f540a8327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f540aa15fac R14: 00007f540aa15fa0 R15: 00007f540aa15fa0 INFO: task syz.2.19:6089 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.19 state:D stack:26408 pid:6089 tgid:6089 ppid:5957 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5d819bf79 RSP: 002b:00007fff36cdbf08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb5d8415fa0 RCX: 00007fb5d819bf79 RDX: 0000000020048000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007fb5d82327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb5d8415fac R14: 00007fb5d8415fa0 R15: 00007fb5d8415fa0 Showing all locks held in the system: 3 locks held by kworker/u8:0/12: #0: ffff888031e48948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x855/0x1650 kernel/workqueue.c:3254 #1: ffffc90000117c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650 kernel/workqueue.c:3255 #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11e/0x14c0 net/ipv6/addrconf.c:4199 1 lock held by khungtaskd/31: #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff8e9602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:3/49: #0: ffff88813fe04148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x855/0x1650 kernel/workqueue.c:3254 #1: ffffc90000b97c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650 kernel/workqueue.c:3255 #2: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:313 1 lock held by klogd/5180: #0: ffff8880b853ade0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150 kernel/sched/core.c:647 2 locks held by getty/5579: #0: ffff888032a480a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0 drivers/tty/n_tty.c:2211 2 locks held by syz.0.17/6086: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.20/6087: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.18/6088: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.19/6089: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.21/6200: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.24/6201: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.22/6202: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.23/6203: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.9.26/6297: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.25/6298: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.0.27/6299: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.28/6300: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.29/6385: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.32/6395: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.31/6396: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.30/6397: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.33/6465: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.34/6509: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.9.36/6510: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.35/6511: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.0.37/6539: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.3.40/6593: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.1.38/6594: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.2.39/6595: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.4.41/6626: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.6.43/6698: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.5.42/6705: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.7.44/6706: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 2 locks held by syz.8.45/6733: #0: ffffffff8fe5ba70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8ec86928 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x141/0x16c0 fs/nfsd/nfsctl.c:1893 3 locks held by syz-executor/6737: #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #0: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2789 [inline] #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff888056af0d50 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: do_setlink+0x3d2/0x4590 net/core/rtnetlink.c:3068 #2: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline] #2: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961 2 locks held by syz-executor/6751: #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 2 locks held by syz-executor/6753: #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline] #0: ffffffff9035a368 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8fdede48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071 1 lock held by dhcpcd/6762: #0: ffff88807da17508 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1028 [inline] #0: ffff88807da17508 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: __sock_release+0x89/0x250 net/socket.c:665 2 locks held by dhcpcd/6763: #0: ffff88805b69a260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline] #0: ffff88805b69a260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe70 net/packet/af_packet.c:3198 #1: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline] #1: ffffffff8e966578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:161 [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:346 [inline] watchdog+0xfd9/0x1030 kernel/hung_task.c:515 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 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: 6751 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__lock_acquire+0x6d5/0x2cf0 kernel/locking/lockdep.c:5207 Code: ba 08 00 00 00 e8 6b 44 00 00 31 ed 85 c0 0f 84 6d 0d 00 00 83 3d 9a cd aa 18 00 75 13 48 63 44 24 18 48 0f a3 05 ab 3d a7 12 <0f> 83 8a 1e 00 00 49 8b 9e 08 0b 00 00 48 83 7c 24 28 00 75 19 83 RSP: 0018:ffffc9000576e678 EFLAGS: 00000047 RAX: 0000000000000007 RBX: ffff8880673b4808 RCX: ffffffff93ea2988 RDX: 0000000000000008 RSI: ffff8880673b47e8 RDI: ffff8880673b3c80 RBP: 0000000000000000 R08: ffffffff8176da45 R09: ffffffff8e9602e0 R10: ffffc9000576e958 R11: ffffffff81b11580 R12: 0000000000000004 R13: ffff8880673b47e8 R14: ffff8880673b3c80 R15: 0000000000000002 FS: 0000555569902500(0000) GS:ffff88812510b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560488447660 CR3: 0000000034910000 CR4: 00000000003526f0 Call Trace: lock_acquire+0xf0/0x2e0 kernel/locking/lockdep.c:5868 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0xc2/0x23c0 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 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] kmem_cache_alloc_node_noprof+0x384/0x690 mm/slub.c:4882 __alloc_skb+0x1d0/0x7d0 net/core/skbuff.c:702 alloc_skb include/linux/skbuff.h:1383 [inline] alloc_uevent_skb+0x7d/0x230 lib/kobject_uevent.c:289 uevent_net_broadcast_tagged lib/kobject_uevent.c:352 [inline] kobject_uevent_net_broadcast+0x184/0x560 lib/kobject_uevent.c:413 kobject_uevent_env+0x55c/0x9e0 lib/kobject_uevent.c:608 device_add+0x557/0xb70 drivers/base/core.c:3670 netdev_register_kobject+0x178/0x310 net/core/net-sysfs.c:2358 register_netdevice+0x12c0/0x1cf0 net/core/dev.c:11407 wg_newlink+0x391/0x670 drivers/net/wireguard/device.c:372 rtnl_newlink_create+0x329/0xb70 net/core/rtnetlink.c:3840 __rtnl_newlink net/core/rtnetlink.c:3957 [inline] rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] __sys_sendto+0x3ff/0x590 net/socket.c:2221 __do_sys_sendto net/socket.c:2228 [inline] __se_sys_sendto net/socket.c:2224 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2224 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f06c1d5c84e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007fff339adb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555569902500 RCX: 00007f06c1d5c84e RDX: 000000000000004c RSI: 00007f06c2b44670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fff339adb94 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f06c2b44670 R15: 0000000000000000