last executing test programs: 12m36.97677387s ago: executing program 0 (id=12): r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = gettid() kcmp(r0, r1, 0x300, 0xffffffffffffffff, 0xffffffffffffffff) 12m25.418046458s ago: executing program 0 (id=15): r0 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000380)='/proc/asound/card1/oss_mixer\x00', 0x1, 0x0) r1 = syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x0) ppoll(&(0x7f0000000580)=[{r0, 0x703}, {r1, 0x221}], 0x2, 0x0, 0x0, 0x0) 12m19.476369669s ago: executing program 0 (id=16): bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000300)={&(0x7f0000000440)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x7c, 0x7c, 0x2, [@var, @func_proto={0x0, 0x6, 0x0, 0xd, 0x0, [{}, {}, {}, {}, {}, {}]}, @func, @volatile, @volatile, @volatile={0x0, 0x0, 0x0, 0x9, 0x2}]}}, 0x0, 0x96, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x20) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000140)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@struct]}}, 0x0, 0x26, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x20) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f00000005c0)=@framed, &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f00000004c0), 0x2, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3, 0x0, @void, @value}, 0x90) 12m5.695015063s ago: executing program 0 (id=18): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x10) sendmsg$NFT_BATCH(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000002780)={{0x14}, [@NFT_MSG_NEWRULE={0x88, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x5c, 0x4, 0x0, 0x1, [{0x58, 0x1, 0x0, 0x1, @inner={{0xa}, @val={0x48, 0x2, 0x0, 0x1, [@NFTA_INNER_TYPE={0x8, 0x2, 0x1, 0x0, 0x84}, @NFTA_INNER_FLAGS={0x8, 0x3, 0x1, 0x0, 0x7}, @NFTA_INNER_HDRSIZE={0x8, 0x4, 0x1, 0x0, 0xf}, @NFTA_INNER_NUM={0x8}, @NFTA_INNER_EXPR={0x24, 0x5, 0x0, 0x1, @meta={{0x9}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_META_DREG={0x8, 0x1, 0x1, 0x0, 0x17}, @NFTA_META_KEY={0x8, 0x2, 0x1, 0x0, 0x10}]}}}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x3}}}, 0xb0}, 0x1, 0x0, 0x0, 0x1}, 0x0) 11m53.644583879s ago: executing program 0 (id=20): socket$inet(0x2, 0xa, 0xfffffff9) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/ptype\x00') preadv(r0, &(0x7f0000000540)=[{&(0x7f0000000340)=""/187, 0xbb}], 0x1, 0x200036, 0x4) 11m38.208445204s ago: executing program 0 (id=21): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller0\x00', 0x5002}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x7) 10m50.757369549s ago: executing program 32 (id=21): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller0\x00', 0x5002}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x7) 2m11.565543987s ago: executing program 1 (id=85): r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/keys\x00', 0x0, 0x0) request_key(&(0x7f0000000180)='dns_resolver\x00', &(0x7f00000001c0)={'syz', 0x1}, &(0x7f0000000200)='((\x00', 0xffffffffffffffff) read$FUSE(r0, &(0x7f0000001580)={0x2020}, 0x2020) 1m42.890025259s ago: executing program 1 (id=89): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x3c, r1, 0x1, 0x0, 0x0, {0x7}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040000}, 0x0) 1m12.469497889s ago: executing program 1 (id=92): r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000000000)={{0x1}}) ioctl$SNDRV_TIMER_IOCTL_STATUS64(r0, 0x80605414, &(0x7f00000022c0)) 59.730008213s ago: executing program 1 (id=96): r0 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_CREATE(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="17090000000000000000010000000500070000000000080009000000000008000a0000000000060002000000000014001f00000000000000000000000000000000001400200000"], 0x64}}, 0x0) 47.569942431s ago: executing program 2 (id=97): r0 = io_uring_setup(0x497c, &(0x7f00000001c0)) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000300), 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 38.958299718s ago: executing program 1 (id=98): r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21, 0x2, @remote, 0x9}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x4e, 0x0, 0x0) 35.982829045s ago: executing program 2 (id=99): mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000000)='devpts\x00', 0x0, &(0x7f0000000100)) 25.018330193s ago: executing program 1 (id=100): r0 = socket$inet6(0xa, 0x8000000000080001, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0x100000001, {{0xa, 0x0, 0x0, @mcast1}}}, 0x88) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000280)=ANY=[@ANYBLOB="010000000000000007004e2100000a46ff"], 0x390) 16.240196813s ago: executing program 2 (id=101): r0 = io_uring_setup(0x11c7, &(0x7f0000000300)) io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) close(r0) 7.124254751s ago: executing program 2 (id=102): munmap(&(0x7f00003fe000/0xc00000)=nil, 0xc00000) prctl$PR_SET_MM(0x23, 0x7, &(0x7f0000ffc000/0x4000)=nil) brk(0x400000a20000) 4.58951265s ago: executing program 2 (id=103): r0 = socket(0x10, 0x803, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x9) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a000000010003b0e2a1a86eb2636037f00000000", @ANYRES32=r1, @ANYBLOB="0200000000008000800012000800010076746936"], 0xa0}}, 0x0) 0s ago: executing program 2 (id=104): r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='bbr\x00', 0x4) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:36526' (ED25519) to the list of known hosts. syzkaller login: [ 317.296050][ T3173] cgroup: Unknown subsys name 'net' [ 318.114269][ T3173] cgroup: Unknown subsys name 'cpuset' [ 318.187791][ T3173] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 375.309643][ T3173] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 430.259387][ T3179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 430.535959][ T3179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 431.139921][ T3180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 431.638070][ T3180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 438.207124][ T3179] hsr_slave_0: entered promiscuous mode [ 438.254631][ T3179] hsr_slave_1: entered promiscuous mode [ 440.617594][ T3180] hsr_slave_0: entered promiscuous mode [ 440.694118][ T3180] hsr_slave_1: entered promiscuous mode [ 440.719206][ T3180] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 440.742562][ T3180] Cannot create hsr debugfs directory [ 447.736256][ T3179] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 447.896756][ T3179] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 447.998421][ T3179] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 448.086013][ T3179] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 449.489649][ T3180] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 449.586386][ T3180] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 449.667962][ T3180] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 449.798757][ T3180] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 454.665374][ T3179] 8021q: adding VLAN 0 to HW filter on device bond0 [ 458.365902][ T3180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 481.563488][ T3179] veth0_vlan: entered promiscuous mode [ 482.099129][ T3179] veth1_vlan: entered promiscuous mode [ 483.207846][ T3179] veth0_macvtap: entered promiscuous mode [ 483.953007][ T3179] veth1_macvtap: entered promiscuous mode [ 485.574174][ T3179] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 485.576540][ T3179] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 485.577865][ T3179] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 485.579089][ T3179] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 489.472127][ T3179] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 490.242309][ T3180] veth0_vlan: entered promiscuous mode [ 490.627107][ T3180] veth1_vlan: entered promiscuous mode [ 492.607981][ T3180] veth0_macvtap: entered promiscuous mode [ 493.506685][ T3180] veth1_macvtap: entered promiscuous mode [ 494.654194][ T3180] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 494.655742][ T3180] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 494.657096][ T3180] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 494.658363][ T3180] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 497.587965][ T3874] netlink: 8 bytes leftover after parsing attributes in process `syz.1.4'. [ 497.596061][ T3874] netlink: 4 bytes leftover after parsing attributes in process `syz.1.4'. [ 497.599525][ T3874] netlink: 'syz.1.4': attribute type 11 has an invalid length. [ 497.636540][ T3874] netlink: 'syz.1.4': attribute type 12 has an invalid length. [ 502.310118][ T3881] netlink: 44 bytes leftover after parsing attributes in process `syz.1.5'. [ 502.325301][ T3881] netlink: 'syz.1.5': attribute type 6 has an invalid length. [ 502.326724][ T3881] netlink: 'syz.1.5': attribute type 5 has an invalid length. [ 502.327810][ T3881] netlink: 'syz.1.5': attribute type 4 has an invalid length. [ 517.155545][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.157267][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.160951][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.162014][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.162981][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.163978][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.174516][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.175720][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.176718][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.177719][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.185945][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.187059][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.188061][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.189030][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.190028][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.203546][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.204695][ T3865] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 517.315213][ T3865] hid-generic 0000:0000:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 [ 572.357192][ T3934] syz.0.20 uses obsolete (PF_INET,SOCK_PACKET) [ 726.426701][ T3966] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 727.518263][ T3966] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 770.358807][ T3966] hsr_slave_0: entered promiscuous mode [ 770.439748][ T3966] hsr_slave_1: entered promiscuous mode [ 770.935417][ T3966] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 770.937750][ T3966] Cannot create hsr debugfs directory [ 788.673722][ T3966] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 788.859403][ T3966] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 790.169999][ T3966] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 790.964551][ T3966] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 827.857638][ T3966] 8021q: adding VLAN 0 to HW filter on device bond0 [ 899.673030][ T3966] veth0_vlan: entered promiscuous mode [ 900.199563][ T3966] veth1_vlan: entered promiscuous mode [ 901.412994][ T3966] veth0_macvtap: entered promiscuous mode [ 902.685620][ T3966] veth1_macvtap: entered promiscuous mode [ 904.645356][ T3966] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 904.647044][ T3966] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 904.648540][ T3966] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 904.649754][ T3966] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1024.206959][ T4409] capability: warning: `syz.1.67' uses deprecated v2 capabilities in a way that may be insecure [ 1025.659183][ T4410] gretap0: vlans aren't supported yet for dev_uc|mc_add() [ 1139.514732][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.617222][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.659447][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.695102][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.723138][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.728358][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.777019][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.818281][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.847656][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1139.867284][ T4462] netlink: 12 bytes leftover after parsing attributes in process `syz.2.87'. [ 1146.278750][ T4465] __nla_validate_parse: 7 callbacks suppressed [ 1146.279149][ T4465] netlink: 8 bytes leftover after parsing attributes in process `syz.2.88'. [ 1146.306872][ T4465] netlink: 'syz.2.88': attribute type 30 has an invalid length. [ 1146.459764][ T4465] netdevsim netdevsim2 netdevsim0: set [0, 0] type 1 family 0 port 8472 - 0 [ 1146.462870][ T4465] netdevsim netdevsim2 netdevsim1: set [0, 0] type 1 family 0 port 8472 - 0 [ 1146.464201][ T4465] netdevsim netdevsim2 netdevsim2: set [0, 0] type 1 family 0 port 8472 - 0 [ 1146.465411][ T4465] netdevsim netdevsim2 netdevsim3: set [0, 0] type 1 family 0 port 8472 - 0 [ 1211.464401][ T4484] netlink: 8 bytes leftover after parsing attributes in process `syz.1.96'. [ 1244.437970][ T4500] netlink: 116 bytes leftover after parsing attributes in process `syz.2.103'. [ 1279.513723][ T37] INFO: task kworker/u10:2:56 blocked for more than 430 seconds. [ 1279.517256][ T37] Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1279.519509][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1279.612689][ T37] task:kworker/u10:2 state:D stack:0 pid:56 tgid:56 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1279.616683][ T37] Workqueue: events_unbound free_mem_alloc_deferred [ 1279.619472][ T37] Call Trace: [ 1279.741395][ T37] [] __schedule+0xe4c/0x3d70 [ 1279.743690][ T37] [] schedule+0xc4/0x324 [ 1279.745086][ T37] [] schedule_timeout+0x1c6/0x28a [ 1279.746232][ T37] [] __wait_for_common+0x1ca/0x4b6 [ 1279.747265][ T37] [] wait_for_completion+0x1a/0x22 [ 1279.748286][ T37] [] rcu_barrier+0x2dc/0x6cc [ 1279.749352][ T37] [] free_mem_alloc_deferred+0x24/0xee [ 1279.874406][ T37] [] process_one_work+0x96a/0x1f3a [ 1279.875886][ T37] [] worker_thread+0x5be/0xdc6 [ 1279.877019][ T37] [] kthread+0x37e/0x7b6 [ 1279.878119][ T37] [] ret_from_fork+0xe/0x18 [ 1279.880235][ T37] [ 1279.880235][ T37] Showing all locks held in the system: [ 1279.951881][ T37] 2 locks held by kworker/0:0/8: [ 1279.953196][ T37] 2 locks held by kworker/0:1/9: [ 1279.954109][ T37] 1 lock held by khungtaskd/37: [ 1279.954960][ T37] #0: ffffffff883d8200 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 [ 1279.958047][ T37] 3 locks held by kworker/u10:2/56: [ 1279.958895][ T37] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1280.057877][ T37] #1: ffff8f8000427bd0 ((work_completion)(©->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1280.102864][ T37] #2: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1280.105749][ T37] 3 locks held by kworker/u10:4/70: [ 1280.106625][ T37] 3 locks held by kworker/u10:5/93: [ 1280.107453][ T37] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1280.109981][ T37] #1: ffff8f80009b7bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1280.143688][ T37] #2: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1280.146403][ T37] 1 lock held by klogd/2991: [ 1280.147284][ T37] 2 locks held by getty/3141: [ 1280.148127][ T37] #0: ffffaf801be890a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1280.212018][ T37] #1: ffff8f800008b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xd7c/0x129a [ 1280.214850][ T37] 2 locks held by syz-executor/3173: [ 1280.215685][ T37] 2 locks held by kworker/0:2/3175: [ 1280.216509][ T37] 3 locks held by syz-executor/3179: [ 1280.217441][ T37] 2 locks held by kworker/0:3/3824: [ 1280.218334][ T37] 2 locks held by kworker/0:4/3868: [ 1280.219146][ T37] 2 locks held by kworker/0:5/3906: [ 1280.219964][ T37] 2 locks held by kworker/0:6/3918: [ 1280.271387][ T37] 1 lock held by syz.0.21/3936: [ 1280.272520][ T37] #0: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1280.275174][ T37] 3 locks held by syz-executor/3966: [ 1280.276192][ T37] 2 locks held by kworker/0:9/3968: [ 1280.277083][ T37] 2 locks held by kworker/0:12/4311: [ 1280.277957][ T37] 2 locks held by kworker/0:15/4463: [ 1280.278790][ T37] 3 locks held by kworker/u10:1/4475: [ 1280.279610][ T37] 2 locks held by kworker/0:16/4492: [ 1280.341781][ T37] [ 1280.342789][ T37] ============================================= [ 1280.342789][ T37] [ 1280.344208][ T37] NMI backtrace for cpu 1 [ 1280.344621][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1280.344944][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1280.345093][ T37] Call Trace: [ 1280.345192][ T37] [] dump_backtrace+0x2e/0x3c [ 1280.345538][ T37] [] show_stack+0x30/0x3c [ 1280.345777][ T37] [] dump_stack_lvl+0x12e/0x1a6 [ 1280.346100][ T37] [] dump_stack+0x1c/0x24 [ 1280.346410][ T37] [] nmi_cpu_backtrace+0x3b0/0x3b2 [ 1280.346717][ T37] [] nmi_trigger_cpumask_backtrace+0x2b6/0x458 [ 1280.347029][ T37] [] arch_trigger_cpumask_backtrace+0x2c/0x3e [ 1280.347346][ T37] [] watchdog+0xcf2/0x11de [ 1280.347652][ T37] [] kthread+0x37e/0x7b6 [ 1280.347947][ T37] [] ret_from_fork+0xe/0x18 [ 1280.348680][ T37] Sending NMI from CPU 1 to CPUs 0: [ 1280.358156][ C0] NMI backtrace for cpu 0 [ 1280.358738][ C0] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1280.359269][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1280.359543][ C0] epc : __nf_conntrack_find_get+0x146/0x908 [ 1280.360046][ C0] ra : __nf_conntrack_find_get+0x142/0x908 [ 1280.360569][ C0] epc : ffffffff853cd24e ra : ffffffff853cd24a sp : ffff8f80001167e0 [ 1280.360902][ C0] gp : ffffffff89c1d3c0 tp : ffffaf801328cec0 t0 : 2d8ea482b9481a6e [ 1280.361233][ C0] t1 : ffffaf801328da68 t2 : 00000000000003b1 s0 : ffff8f8000116920 [ 1280.361593][ C0] s1 : 0000000000000002 a0 : 0000000000000007 a1 : 0000000000000000 [ 1280.361901][ C0] a2 : 0000000000f00000 a3 : ffffffff853cd24a a4 : 0000000000000000 [ 1280.362216][ C0] a5 : ffffaf801328cec0 a6 : 0000000000f00000 a7 : 000000000b83ea51 [ 1280.362552][ C0] s2 : 0000000000000000 s3 : dfffffff00000000 s4 : ffff8f8000116c30 [ 1280.362892][ C0] s5 : ffff8f80001168a0 s6 : fffffffef1042238 s7 : 0000000000000000 [ 1280.363242][ C0] s8 : ffffffff882111c0 s9 : ffffaf801b3d0000 s10: ffffffff875fd140 [ 1280.363589][ C0] s11: ffff8f8000116a50 t3 : ffffaf801328d9f0 t4 : 1ffff5f002651b3d [ 1280.363913][ C0] t5 : 1ffff5f002651b51 t6 : 0000000000000003 [ 1280.364191][ C0] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1280.364633][ C0] [] __nf_conntrack_find_get+0x146/0x908 [ 1280.365207][ C0] [] nf_conntrack_in+0x4da/0x1c3c [ 1280.365663][ C0] [] ipv4_conntrack_local+0xf6/0x200 [ 1280.366131][ C0] [] nf_hook_slow+0xb8/0x1ec [ 1280.366605][ C0] [] __ip_local_out+0x498/0x9ce [ 1280.367087][ C0] [] ip_local_out+0x2e/0x1a8 [ 1280.367567][ C0] [] synproxy_send_tcp.isra.0+0x3de/0x5d2 [ 1280.368200][ C0] [] synproxy_send_client_synack+0x6dc/0x8be [ 1280.368849][ C0] [] nft_synproxy_do_eval+0x8ac/0xa52 [ 1280.369464][ C0] [] nft_synproxy_eval+0x28/0x36 [ 1280.370043][ C0] [] nft_do_chain+0x328/0x1598 [ 1280.370666][ C0] [] nft_do_chain_inet+0x180/0x316 [ 1280.371291][ C0] [] nf_hook_slow+0xb8/0x1ec [ 1280.371732][ C0] [] ip_local_deliver+0x2ea/0x568 [ 1280.372152][ C0] [] ip_rcv_finish+0x1b0/0x2d2 [ 1280.372580][ C0] [] ip_rcv+0xd6/0x44e [ 1280.372982][ C0] [] __netif_receive_skb_one_core+0x106/0x16e [ 1280.373433][ C0] [] __netif_receive_skb+0x2c/0x144 [ 1280.373874][ C0] [] process_backlog+0x4f6/0x1cb0 [ 1280.374276][ C0] [] __napi_poll.constprop.0+0xaa/0x4b8 [ 1280.374717][ C0] [] net_rx_action+0xa12/0xf10 [ 1280.375121][ C0] [] handle_softirqs+0x4b2/0x132e [ 1280.375560][ C0] [] run_ksoftirqd+0xce/0x144 [ 1280.375979][ C0] [] smpboot_thread_fn+0x654/0xb96 [ 1280.376530][ C0] [] kthread+0x37e/0x7b6 [ 1280.377075][ C0] [] ret_from_fork+0xe/0x18 [ 1280.553473][ T37] Kernel panic - not syncing: hung_task: blocked tasks [ 1280.554969][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1280.555871][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1280.556461][ T37] Call Trace: [ 1280.557102][ T37] [] dump_backtrace+0x2e/0x3c [ 1280.557987][ T37] [] show_stack+0x30/0x3c [ 1280.558738][ T37] [] dump_stack_lvl+0x110/0x1a6 [ 1280.559583][ T37] [] dump_stack+0x1c/0x24 [ 1280.560420][ T37] [] panic+0x38c/0x86a [ 1280.561154][ T37] [] watchdog+0x78a/0x11de [ 1280.562009][ T37] [] kthread+0x37e/0x7b6 [ 1280.562975][ T37] [] ret_from_fork+0xe/0x18 [ 1280.564058][ T37] SMP: stopping secondary CPUs [ 1280.566561][ T37] Rebooting in 86400 seconds.. VM DIAGNOSIS: 22:29:17 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff804db9b0 mhartid 0000000000000000 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80088636 sepc ffffffff80357ba6 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 9022e00000099952 x0/zero 0000000000000000 x1/ra ffffffff802c1cc4 x2/sp ffff8f80000071b0 x3/gp ffffffff89c1d3c0 x4/tp ffffaf802f4ab480 x5/t0 81987a7bdfef251d x6/t1 ffffaf802f4ac050 x7/t2 0000000000000005 x8/s0 ffff8f80000074e0 x9/s1 0000000000000024 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000f00000 x13/a3 ffffffff853c74bc x14/a4 0000000000000000 x15/a5 0000000000000001 x16/a6 0000000000f00000 x17/a7 000000001471ee82 x18/s2 ffffffff883d8200 x19/s3 ffffffff883d8200 x20/s4 ffffffff8665e748 x21/s5 ffffaf801b3d0000 x22/s6 1ffff1f000000ea4 x23/s7 0000000000000001 x24/s8 ffff8f8000007770 x25/s9 0000000000000000 x26/s10 0000000000000000 x27/s11 0000000000001000 x28/t3 ffffaf802f4abfb0 x29/t4 1ffff5f005e957f5 x30/t5 1ffff5f005e9580e x31/t6 0000000000000009 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff802f92da mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80073e26 sepc ffffffff86266352 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 90131000000ae193 x0/zero 0000000000000000 x1/ra ffffffff80073dc2 x2/sp ffff8f80002f7600 x3/gp ffffffff89c1d3c0 x4/tp ffffaf8014ad1a40 x5/t0 7400000000000000 x6/t1 0000000000000020 x7/t2 746f4e2020202020 x8/s0 ffff8f80002f76b0 x9/s1 ffff8f80002f77c0 x10/a0 0000000000000005 x11/a1 ffffffff802f9494 x12/a2 ffff8f80002f77d0 x13/a3 ffffffff80073e26 x14/a4 0000000000000000 x15/a5 ffffaf8014ad2a40 x16/a6 0000000000000003 x17/a7 0000000000000038 x18/s2 0000000000000000 x19/s3 ffffaf806ed830e0 x20/s4 ffffffff90fcb3a8 x21/s5 0000000000000008 x22/s6 ffff8f80002f7880 x23/s7 ffffffff88f85958 x24/s8 1ffffffff11f0b2c x25/s9 ffffffff88f85960 x26/s10 dfffffff00000000 x27/s11 ffff8f80002f78e0 x28/t3 ffffffff90dda2b7 x29/t4 fffffffef1384274 x30/t5 fffffffef1384275 x31/t6 ffffffff90dda2b7 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000