Extracting prog: 36m21.171844501s Minimizing prog: 1h45m30.387342149s Simplifying prog options: 0s Extracting C: 3m25.423690396s Simplifying C: 28m24.841790991s extracting reproducer from 69 programs testing a last program of every proc single: executing 19 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-rseq-io_setup-getsockopt$bt_hci-syz_open_dev$dri-syz_open_procfs-getpid-openat$sndseq-preadv-syz_pidfd_open-openat$kvm-shmat detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000300)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x8800) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x0, 0x0, 0x0, 0xb49, 0x9, 0x8, 0x0, 0x3}, 0x0) rseq(&(0x7f0000000400), 0x20, 0x0, 0x0) io_setup(0x8, &(0x7f0000000000)) getsockopt$bt_hci(0xffffffffffffffff, 0x0, 0x1, 0x0, &(0x7f0000000480)) syz_open_dev$dri(&(0x7f00000000c0), 0x1ff, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='mountinfo\x00') r2 = getpid() openat$sndseq(0xffffffffffffff9c, &(0x7f0000000040), 0x62181) preadv(0xffffffffffffffff, &(0x7f0000004ec0)=[{&(0x7f0000004bc0)=""/68, 0x44}], 0x1, 0x8000, 0x0) syz_pidfd_open(r2, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x22102, 0x0) shmat(0x0, &(0x7f0000ffc000/0x2000)=nil, 0x4000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-setsockopt$inet6_IPV6_HOPOPTS-pipe2$9p-socket$nl_route-sendmsg$nl_route-recvmmsg-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd-creat-socket$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: creat(&(0x7f0000000240)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x48, &(0x7f0000000080)={0x2c, 0x4, '\x00', [@pad1, @enc_lim={0x4, 0x1, 0x8}, @generic={0x4, 0x18, "9650b88176a50d444e84597546014ddf1aa6d8dceab2c18b"}]}, 0x28) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000980)=ANY=[@ANYBLOB="1400000042000b06"], 0x14}}, 0x0) recvmmsg(r3, &(0x7f0000000ec0)=[{{0x0, 0x0, &(0x7f00000008c0)=[{&(0x7f00000004c0)=""/274, 0x112}, {&(0x7f00000029c0)=""/4091, 0xffb}, {&(0x7f00000003c0)=""/191, 0xbf}, {&(0x7f00000006c0)=""/142, 0x8e}, {&(0x7f0000000b40)=""/30, 0x1e}, {&(0x7f0000000840)=""/45, 0x2d}, {&(0x7f0000000780)=""/165, 0xa5}, {&(0x7f00000009c0)=""/264, 0x108}, {&(0x7f0000000140)=""/16, 0x10}, {&(0x7f0000000880)=""/58, 0x3a}], 0xa}, 0x1008}], 0x1, 0x0, 0x0) write$P9_RVERSION(r2, &(0x7f0000000340)=ANY=[@ANYBLOB="1500000065ffff0480000008003950323030307a"], 0x15) r4 = dup(r2) write$FUSE_BMAP(r4, &(0x7f0000000100)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[], [], 0x6b}}) creat(&(0x7f0000000300)='./file0\x00', 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000900)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {0x1, 0x0, 0x8003}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x2c, 0x3, 0xa, 0x101, 0x0, 0x0, {0x1}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz2\x00'}]}, @NFT_MSG_NEWRULE={0x50, 0x6, 0xa, 0x401, 0x0, 0x0, {0x1}, [@NFTA_RULE_CHAIN_ID={0x8}, @NFTA_RULE_EXPRESSIONS={0x28, 0x4, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, @bitwise={{0xc}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_BITWISE_LEN={0x8, 0x3, 0x1, 0x0, 0x4}, @NFTA_BITWISE_SREG={0x8, 0x1, 0x1, 0x0, 0x14}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x7}}}, 0xc4}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-unshare-syz_mount_image$ext4-socket$nl_route-openat$ptmx-ioctl$TIOCGWINSZ-ioctl$TIOCSETD-socket-setsockopt$packet_tx_ring-setsockopt$sock_timeval-sendmsg$nl_crypto-socket$inet-setsockopt$inet_opts-connect$inet-close-ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES detailed listing: executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) unshare(0x6a040000) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000000c0)='./file1\x00', 0x0, &(0x7f0000000100), 0xff, 0x4a6, &(0x7f0000000980)="$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") socket$nl_route(0x10, 0x3, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCGWINSZ(0xffffffffffffffff, 0x5413, &(0x7f00000002c0)) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000000)=0x15) r2 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r2, 0x10f, 0x87, &(0x7f0000000140)=@req3={0x7813, 0x3, 0x0, 0x81, 0x1ff, 0x1, 0x1}, 0x1c) setsockopt$sock_timeval(r2, 0x1, 0x4b, 0x0, 0x0) sendmsg$nl_crypto(r2, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x8000) r3 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_opts(r3, 0x0, 0x4, 0x0, 0x0) connect$inet(r3, &(0x7f0000000080)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x39}}, 0x10) close(r0) ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES(r0, 0x80489439, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-setsockopt$XDP_UMEM_REG-socketpair$unix-ioctl$sock_SIOCGIFINDEX-setsockopt$XDP_TX_RING-setsockopt$XDP_UMEM_FILL_RING-bind$xdp detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={0x0, 0x200000, 0x1000}, 0x20) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000004c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'sit0\x00', 0x0}) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f00000001c0)=0x2, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000200)=0x4000, 0x4) bind$xdp(r0, &(0x7f0000000100)={0x2c, 0x0, r2}, 0x10) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-ioctl$SIOCSIFHWADDR-write$cgroup_subtree detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0xa0b41, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) close(r1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local}) write$cgroup_subtree(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="8fedcb5d07081175f37538e486dd6372ce22fdb911"], 0xfdef) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_JOIN_MESH-sendmsg$NL80211_CMD_GET_MPP-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CONNECT detailed listing: executing program 0: r0 = socket$igmp6(0xa, 0x3, 0x2) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r4, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r5 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r5, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r8 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r8, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) r10 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r10, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r2, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r11}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_JOIN_MESH(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x30, r2, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r11}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x30}}, 0x0) sendmsg$NL80211_CMD_GET_MPP(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)={0x28, r2, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r11}, @void}}, [@NL80211_ATTR_MAC={0xa}]}, 0x28}}, 0x0) r12 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r12, @ANYRESOCT=r0, @ANYRES32=r13, @ANYRESDEC=r9], 0x44}}, 0x0) program crashed: INFO: task hung in exit_mm single: successfully extracted reproducer found reproducer with 29 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_JOIN_MESH-sendmsg$NL80211_CMD_GET_MPP-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r4 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r4, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r7 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) r8 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r8, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_JOIN_MESH(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x30, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x30}}, 0x0) sendmsg$NL80211_CMD_GET_MPP(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)={0x28, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MAC={0xa}]}, 0x28}}, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'}) program crashed: INFO: task hung in madvise_collapse testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_JOIN_MESH-sendmsg$NL80211_CMD_GET_MPP-syz_genetlink_get_family_id$nl80211 detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r4 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r4, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r7 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) r8 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r8, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_JOIN_MESH(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x30, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x30}}, 0x0) sendmsg$NL80211_CMD_GET_MPP(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)={0x28, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MAC={0xa}]}, 0x28}}, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) program crashed: INFO: task hung in do_madvise testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_JOIN_MESH-sendmsg$NL80211_CMD_GET_MPP detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r4 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r4, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r7 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) r8 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r8, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_JOIN_MESH(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x30, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x30}}, 0x0) sendmsg$NL80211_CMD_GET_MPP(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)={0x28, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MAC={0xa}]}, 0x28}}, 0x0) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_JOIN_MESH detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r4 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r4, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r7 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) r8 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r8, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_JOIN_MESH(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x30, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x30}}, 0x0) program crashed: INFO: task hung in madvise_collapse testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r3, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r4 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r4, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r7 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) r8 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r8, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}]}, 0x24}}, 0x0) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r3, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r6 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r6, 0x8933, &(0x7f0000000040)) r7 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r7, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00'}) program crashed: INFO: task hung in madvise_collapse testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000040)) r6 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r6, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-madvise detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000040)) r6 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r6, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mlock-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000040)) r6 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r6, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-sendmsg$BATADV_CMD_SET_MESH-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000040)) r6 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r6, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) sendmsg$BATADV_CMD_SET_MESH(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000440)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000000000000f00000008000300", @ANYBLOB='\b\x002\x00\x00\x00'], 0x2c}}, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-setsockopt$inet_tcp_int-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r3 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000040)) r4 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_int(r4, 0x6, 0x17, &(0x7f0000000000)=0xf, 0x4) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet_smc-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r3 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000040)) socket$inet_smc(0x2b, 0x1, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r3 = socket(0x1e, 0x5, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000040)) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-socket-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) socket(0x1e, 0x5, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-syz_genetlink_get_family_id$batadv-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-socket$nl_generic-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) socket$nl_generic(0x10, 0x3, 0x10) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-ioctl$VIDIOC_CREATE_BUFS-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f00000013c0)={0x3, 0x2, 0x2, {0x5, @vbi={0xb5, 0x0, 0x3, 0x20363159, [0x0, 0x8000000], [0x8200, 0x1]}}}) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-syz_open_dev$vbi-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) syz_open_dev$vbi(&(0x7f0000000000), 0x1, 0x2) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-sched_setattr-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sched_setattr(0x0, &(0x7f0000000100)={0x38, 0x5, 0x4, 0x8001, 0x0, 0xb49, 0x200000000002, 0x7, 0x8, 0x3}, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendmsg-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sendmsg(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-sendmmsg$unix-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-connect$unix-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) connect$unix(r0, &(0x7f00000003c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socketpair$unix-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-syz_genetlink_get_family_id$nl80211-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-socket$nl_generic-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) socket$nl_generic(0x10, 0x3, 0x10) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$igmp6-mremap detailed listing: executing program 0: socket$igmp6(0xa, 0x3, 0x2) mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000481000/0x1000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true reproducing took 3h4m6.227390626s repro crashed as (corrupted=false): INFO: task syz.0.16:6022 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:26920 pid:6022 tgid:6022 ppid:5954 task_flags:0x40004c flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 __schedule_loop kernel/sched/core.c:7036 [inline] schedule+0x165/0x360 kernel/sched/core.c:7051 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7108 rwsem_down_read_slowpath+0x5fd/0x8f0 kernel/locking/rwsem.c:1088 __down_read_common kernel/locking/rwsem.c:1263 [inline] __down_read kernel/locking/rwsem.c:1276 [inline] down_read+0x98/0x2e0 kernel/locking/rwsem.c:1541 mmap_read_lock include/linux/mmap_lock.h:412 [inline] exit_mm+0xcc/0x2c0 kernel/exit.c:557 do_exit+0x648/0x2300 kernel/exit.c:947 do_group_exit+0x21c/0x2d0 kernel/exit.c:1100 __do_sys_exit_group kernel/exit.c:1111 [inline] __se_sys_exit_group kernel/exit.c:1109 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1109 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07bd58e9a9 RSP: 002b:00007ffef8dcef98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07bd58e9a9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00000001f8dcf08f R09: 00007f07bd780260 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f07bd780260 R14: 0000000000000003 R15: 00007ffef8dcf050 Showing all locks held in the system: 3 locks held by kworker/u8:1/13: #0: ffff8880b8639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:636 #1: ffffc90000127bc0 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc90000127bc0 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319 #2: ffff8880b8625918 (&base->lock){-.-.}-{2:2}, at: lock_timer_base kernel/time/timer.c:1004 [inline] #2: ffff8880b8625918 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x1ae/0xf30 kernel/time/timer.c:1085 1 lock held by khungtaskd/31: #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 3 locks held by kworker/u9:1/5166: #0: ffff888024078948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline] #0: ffff888024078948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319 #1: ffffc9000eb5fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc9000eb5fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319 #2: ffff88807a844dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331 2 locks held by getty/5609: #0: ffff88814e2160a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000362b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz.0.16/6022: #0: ffff88802ef91760 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802ef91760 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.0.16/6023: 1 lock held by syz.1.17/6055: #0: ffff888021316d60 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888021316d60 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.1.17/6056: 1 lock held by syz.2.18/6087: #0: ffff888031fb2220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888031fb2220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.2.18/6088: 1 lock held by syz.3.19/6110: #0: ffff88802fc24d20 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802fc24d20 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.3.19/6111: 1 lock held by syz.4.20/6139: #0: ffff888021312220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888021312220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.4.20/6140: 1 lock held by syz.5.21/6174: #0: ffff88802345e2a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802345e2a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.5.21/6175: 1 lock held by syz.6.22/6203: #0: ffff888031fb2ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888031fb2ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.6.22/6204: 1 lock held by syz.7.23/6234: #0: ffff88802345a220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802345a220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.7.23/6235: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf93/0xfe0 kernel/hung_task.c:491 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6056 Comm: syz.1.17 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:validate_chain+0x2d2/0x2140 kernel/locking/lockdep.c:3923 Code: 00 b8 01 00 00 00 65 48 8b 0d ba 23 06 11 48 3b 8c 24 d8 00 00 00 0f 85 43 1c 00 00 48 81 c4 e0 00 00 00 5b 41 5c 41 5d 41 5e <41> 5f 5d e9 16 51 dd 09 cc 41 83 fe 03 ba 02 00 00 00 41 0f 43 d6 RSP: 0018:ffffc90000007530 EFLAGS: 00000082 RAX: 0000000000000001 RBX: 0000000000000004 RCX: 025fa52c997ad700 RDX: 0000000000000000 RSI: ffff88802d5e6590 RDI: ffff88802d5e5a00 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8172b195 R10: ffffc90000007798 R11: ffffffff81ac4660 R12: 00000000dedabd8c R13: ffff88802d5e64f0 R14: ffff88802d5e6590 R15: 13793b933138a1dd FS: 00007f6c31d516c0(0000) GS:ffff888125be3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559ab4b1a660 CR3: 000000002e158000 CR4: 00000000003526f0 Call Trace: __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548 insert_work+0x3d/0x330 kernel/workqueue.c:2184 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2339 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:194 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x70 kernel/kcov.c:217 Code: 08 d0 a3 92 65 8b 15 08 1f e4 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 <83> fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 48 8d 7e 01 8b 89 1c RSP: 0018:ffffc900032c7278 EFLAGS: 00000246 RAX: ffffffff8b70c978 RBX: 000000000000000d RCX: ffff88802d5e5a00 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 000000000000000d RBP: ffffc900032c7450 R08: ffff88802d5e5a00 R09: 0000000000000004 R10: 0000000000000003 R11: 0000000000000000 R12: ffff88807d826c70 R13: dffffc0000000000 R14: 00001ff592eeefff R15: 0000000000000010 mas_validate_limits lib/maple_tree.c:7484 [inline] mt_validate+0xb88/0x4380 lib/maple_tree.c:7609 validate_mm+0xb6/0x4b0 mm/vma.c:651 vma_link+0x366/0x450 mm/vma.c:1799 copy_vma+0x70c/0x940 mm/vma.c:1880 copy_vma_and_data mm/mremap.c:1184 [inline] move_vma+0x81f/0x1840 mm/mremap.c:1282 mremap_to+0x6d6/0x7a0 mm/mremap.c:1406 remap_move mm/mremap.c:1863 [inline] do_mremap mm/mremap.c:1906 [inline] __do_sys_mremap mm/mremap.c:1970 [inline] __se_sys_mremap+0xa0b/0xef0 mm/mremap.c:1938 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c30f8e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6c31d51038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007f6c311b5fa0 RCX: 00007f6c30f8e9a9 RDX: 0000000000001000 RSI: 0000000000001000 RDI: 0000200000000000 RBP: 00007f6c31010d69 R08: 0000200000481000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6c311b5fa0 R15: 00007ffeec5631c8 final repro crashed as (corrupted=false): INFO: task syz.0.16:6022 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:26920 pid:6022 tgid:6022 ppid:5954 task_flags:0x40004c flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 __schedule_loop kernel/sched/core.c:7036 [inline] schedule+0x165/0x360 kernel/sched/core.c:7051 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7108 rwsem_down_read_slowpath+0x5fd/0x8f0 kernel/locking/rwsem.c:1088 __down_read_common kernel/locking/rwsem.c:1263 [inline] __down_read kernel/locking/rwsem.c:1276 [inline] down_read+0x98/0x2e0 kernel/locking/rwsem.c:1541 mmap_read_lock include/linux/mmap_lock.h:412 [inline] exit_mm+0xcc/0x2c0 kernel/exit.c:557 do_exit+0x648/0x2300 kernel/exit.c:947 do_group_exit+0x21c/0x2d0 kernel/exit.c:1100 __do_sys_exit_group kernel/exit.c:1111 [inline] __se_sys_exit_group kernel/exit.c:1109 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1109 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07bd58e9a9 RSP: 002b:00007ffef8dcef98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07bd58e9a9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00000001f8dcf08f R09: 00007f07bd780260 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f07bd780260 R14: 0000000000000003 R15: 00007ffef8dcf050 Showing all locks held in the system: 3 locks held by kworker/u8:1/13: #0: ffff8880b8639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:636 #1: ffffc90000127bc0 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc90000127bc0 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319 #2: ffff8880b8625918 (&base->lock){-.-.}-{2:2}, at: lock_timer_base kernel/time/timer.c:1004 [inline] #2: ffff8880b8625918 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x1ae/0xf30 kernel/time/timer.c:1085 1 lock held by khungtaskd/31: #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e13d8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 3 locks held by kworker/u9:1/5166: #0: ffff888024078948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline] #0: ffff888024078948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319 #1: ffffc9000eb5fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc9000eb5fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319 #2: ffff88807a844dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331 2 locks held by getty/5609: #0: ffff88814e2160a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000362b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz.0.16/6022: #0: ffff88802ef91760 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802ef91760 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.0.16/6023: 1 lock held by syz.1.17/6055: #0: ffff888021316d60 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888021316d60 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.1.17/6056: 1 lock held by syz.2.18/6087: #0: ffff888031fb2220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888031fb2220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.2.18/6088: 1 lock held by syz.3.19/6110: #0: ffff88802fc24d20 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802fc24d20 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.3.19/6111: 1 lock held by syz.4.20/6139: #0: ffff888021312220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888021312220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.4.20/6140: 1 lock held by syz.5.21/6174: #0: ffff88802345e2a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802345e2a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.5.21/6175: 1 lock held by syz.6.22/6203: #0: ffff888031fb2ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888031fb2ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.6.22/6204: 1 lock held by syz.7.23/6234: #0: ffff88802345a220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802345a220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.7.23/6235: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf93/0xfe0 kernel/hung_task.c:491 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6056 Comm: syz.1.17 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:validate_chain+0x2d2/0x2140 kernel/locking/lockdep.c:3923 Code: 00 b8 01 00 00 00 65 48 8b 0d ba 23 06 11 48 3b 8c 24 d8 00 00 00 0f 85 43 1c 00 00 48 81 c4 e0 00 00 00 5b 41 5c 41 5d 41 5e <41> 5f 5d e9 16 51 dd 09 cc 41 83 fe 03 ba 02 00 00 00 41 0f 43 d6 RSP: 0018:ffffc90000007530 EFLAGS: 00000082 RAX: 0000000000000001 RBX: 0000000000000004 RCX: 025fa52c997ad700 RDX: 0000000000000000 RSI: ffff88802d5e6590 RDI: ffff88802d5e5a00 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8172b195 R10: ffffc90000007798 R11: ffffffff81ac4660 R12: 00000000dedabd8c R13: ffff88802d5e64f0 R14: ffff88802d5e6590 R15: 13793b933138a1dd FS: 00007f6c31d516c0(0000) GS:ffff888125be3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559ab4b1a660 CR3: 000000002e158000 CR4: 00000000003526f0 Call Trace: __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548 insert_work+0x3d/0x330 kernel/workqueue.c:2184 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2339 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:194 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x70 kernel/kcov.c:217 Code: 08 d0 a3 92 65 8b 15 08 1f e4 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 <83> fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 48 8d 7e 01 8b 89 1c RSP: 0018:ffffc900032c7278 EFLAGS: 00000246 RAX: ffffffff8b70c978 RBX: 000000000000000d RCX: ffff88802d5e5a00 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 000000000000000d RBP: ffffc900032c7450 R08: ffff88802d5e5a00 R09: 0000000000000004 R10: 0000000000000003 R11: 0000000000000000 R12: ffff88807d826c70 R13: dffffc0000000000 R14: 00001ff592eeefff R15: 0000000000000010 mas_validate_limits lib/maple_tree.c:7484 [inline] mt_validate+0xb88/0x4380 lib/maple_tree.c:7609 validate_mm+0xb6/0x4b0 mm/vma.c:651 vma_link+0x366/0x450 mm/vma.c:1799 copy_vma+0x70c/0x940 mm/vma.c:1880 copy_vma_and_data mm/mremap.c:1184 [inline] move_vma+0x81f/0x1840 mm/mremap.c:1282 mremap_to+0x6d6/0x7a0 mm/mremap.c:1406 remap_move mm/mremap.c:1863 [inline] do_mremap mm/mremap.c:1906 [inline] __do_sys_mremap mm/mremap.c:1970 [inline] __se_sys_mremap+0xa0b/0xef0 mm/mremap.c:1938 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c30f8e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6c31d51038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007f6c311b5fa0 RCX: 00007f6c30f8e9a9 RDX: 0000000000001000 RSI: 0000000000001000 RDI: 0000200000000000 RBP: 00007f6c31010d69 R08: 0000200000481000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6c311b5fa0 R15: 00007ffeec5631c8