Extracting prog: 15m37.436957301s Minimizing prog: 1h46m14.599011873s Simplifying prog options: 0s Extracting C: 1m40.551716217s Simplifying C: 22m20.28485525s extracting reproducer from 16 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 16 programs with base timeout 30s testing program (duration=34s, {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}}): [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7] detailed listing: executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000005c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast2, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x29}, {0x0, 0x0, 0x7, 0x0, 0x0, 0x2, 0xffffffffffffffff}, {0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0xb8}}, 0x4004) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in, 0x0, 0x0, 0x0, 0x0, 0xa}}}, 0xb8}}, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) connect$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmsg$nl_xfrm(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b800000015"], 0xb8}}, 0x0) executing program 2: pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r1 = dup(r0) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x84042, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000080), 0x47ffffa, 0x164f42) ioctl$LOOP_CONFIGURE(r3, 0x4c0a, &(0x7f0000001ac0)={r2, 0x0, {0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1c, "339f020bbe78b39843d601010000000000000d0ec0c1b4e9b1c4369d03740250ceaac594b1b3d741dd17c1c50d38ef2a565ef1e83323695c58d66500", "a9103939c787a16c1ca43f80026d1a8554fe581b59ded130e04d528539f3d3289737f0374c72a964a02447a75df8a69ea917deb7ba193b3e7772fd29f35239d2", "24431a1e77a68e174f000000000000000010e200"}}) r4 = dup3(r3, r1, 0x0) write$FUSE_INIT(r4, &(0x7f0000000100)={0x50, 0x0, 0x0, {0x7, 0x29, 0x8, 0x0, 0xf, 0x0, 0xfffffff5, 0x8}}, 0x50) executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000080)='westwood\x00', 0x9) connect$inet6(r0, &(0x7f00000001c0)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, '\x00', 0x1b}, 0xd}, 0x1c) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000100), 0xfffffd9d) sendfile(r0, r1, 0x0, 0x8000002b) executing program 3: syz_mount_image$vfat(&(0x7f0000000040), &(0x7f00000000c0)='./bus\x00', 0x0, &(0x7f0000000100)={[{@uni_xlate}, {@shortname_mixed}, {@fat=@codepage={'codepage', 0x3d, '932'}}, {@utf8}, {@fat=@usefree}, {@uni_xlate}, {@shortname_winnt}, {@shortname_mixed}, {@uni_xlate}, {@shortname_mixed}]}, 0x2, 0x21a, &(0x7f0000000700)="$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") r0 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x6, 0x4, 0xfff, 0x7, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f00000001c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x52) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000080)='signal_generate\x00', r2}, 0x10) ftruncate(r0, 0x8012007ffb) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'ip6gretap0\x00', 0x0}) r3 = socket(0x10, 0x803, 0x0) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0) getsockname$packet(r3, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000180)=0x14) sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000005c0)={&(0x7f00000004c0)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @ipvlan={{0xb}, {0x4}}}, @IFLA_LINK={0x8, 0x5, r2}, @IFLA_MASTER={0x8, 0xa, r4}]}, 0x44}}, 0x0) executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_mount_image$iso9660(&(0x7f0000000140), &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYRESOCT], 0x12, 0xa10, &(0x7f00000001c0)="$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") ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4400ae8f, &(0x7f0000000140)) executing program 3: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x3f, 0x822f01) openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x0) recvmmsg(r1, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000004c0)=""/4091, 0xffb}], 0x1}}], 0x1, 0x0, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x0) write$char_usb(r0, &(0x7f0000000040)="e2", 0x918) executing program 0: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000080)={'vcan0\x00', 0x0}) bind$can_raw(r0, &(0x7f00000005c0), 0x10) recvmmsg(r0, &(0x7f0000000a80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x2, 0x0) setsockopt$CAN_RAW_RECV_OWN_MSGS(r0, 0x65, 0x4, &(0x7f0000000580)=0x1, 0x4) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x5, 0x4) sendmsg$can_raw(r0, &(0x7f0000000240)={&(0x7f0000000780)={0x1d, r1}, 0x10, &(0x7f0000000480)={&(0x7f0000000140)=@can={{0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, "5b7ba3698f28aaf0"}, 0x10}}, 0x0) executing program 2: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, &(0x7f0000000000)=0x9, 0x8, 0x0) mbind(&(0x7f0000528000/0x4000)=nil, 0x4000, 0x1, 0x0, 0x0, 0x0) mlock2(&(0x7f00002a9000/0x1000)=nil, 0x1000, 0x0) mbind(&(0x7f00002ad000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, 0x0) mlock2(&(0x7f0000a9f000/0x3000)=nil, 0x3000, 0x0) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=@ipv4_newaddr={0x48, 0x14, 0x509, 0x0, 0x0, {0x2, 0x20, 0x0, 0x0, r2}, [@IFA_TARGET_NETNSID={0x8}, @IFA_LOCAL={0x8, 0x2, @multicast2}, @IFA_BROADCAST={0x8, 0x4, @local}, @IFA_RT_PRIORITY={0x8, 0x9, 0x5889}, @IFA_BROADCAST={0x8, 0x4, @local}, @IFA_RT_PRIORITY={0x8, 0x9, 0x8000103}]}, 0x48}, 0x1, 0x0, 0x0, 0x48000}, 0x8080) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$nl_route(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[], 0x70}}, 0x0) executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="170000000000000004000000ff"], 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) sendmsg$rds(r0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, @local}, 0x10, 0x0, 0x0, &(0x7f0000000240)=[@rdma_args={0x48, 0x114, 0x1, {{}, {0x0}, &(0x7f00000001c0)=[{&(0x7f0000000880)=""/4096, 0x1000}], 0x1, 0x0, 0x4}}], 0x48, 0x40841}, 0x0) executing program 3: r0 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r0, &(0x7f0000000100)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) r1 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r1, 0x10f, 0x87, &(0x7f0000000000)={0x20042, 0x1, 0x1}, 0x10) r2 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000240)={0x80042}, 0x10) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000000)={0x42, 0x0, 0x3}, 0x10) executing program 2: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001c40)={0x8, 0x3, &(0x7f0000001300)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000001200)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) unshare(0x4000400) r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) r3 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000003c0)={r0, r2}, 0x10) bpf$ITER_CREATE(0xf, &(0x7f0000000040)={r3, 0x30}, 0x8) executing program 1: mkdir(&(0x7f0000000300)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x100) mkdir(&(0x7f0000000040)='./bus\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000140)={0x10}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) bind$rds(r1, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) sendmsg$rds(r1, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, @local}, 0x10, 0x0, 0x0, &(0x7f0000000240)=[@rdma_args={0x48, 0x114, 0x1, {{}, {0x0}, &(0x7f00000001c0)=[{&(0x7f0000000880)=""/4096, 0x1000}], 0x1, 0x0, 0x4}}], 0x48, 0x40841}, 0x0) executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 16 programs with base timeout 1m40s testing program (duration=1m44s, {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}}): [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7] detailed listing: executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000005c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast2, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x29}, {0x0, 0x0, 0x7, 0x0, 0x0, 0x2, 0xffffffffffffffff}, {0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0xb8}}, 0x4004) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in, 0x0, 0x0, 0x0, 0x0, 0xa}}}, 0xb8}}, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) connect$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmsg$nl_xfrm(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="b800000015"], 0xb8}}, 0x0) executing program 2: pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r1 = dup(r0) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x84042, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000080), 0x47ffffa, 0x164f42) ioctl$LOOP_CONFIGURE(r3, 0x4c0a, &(0x7f0000001ac0)={r2, 0x0, {0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1c, "339f020bbe78b39843d601010000000000000d0ec0c1b4e9b1c4369d03740250ceaac594b1b3d741dd17c1c50d38ef2a565ef1e83323695c58d66500", "a9103939c787a16c1ca43f80026d1a8554fe581b59ded130e04d528539f3d3289737f0374c72a964a02447a75df8a69ea917deb7ba193b3e7772fd29f35239d2", "24431a1e77a68e174f000000000000000010e200"}}) r4 = dup3(r3, r1, 0x0) write$FUSE_INIT(r4, &(0x7f0000000100)={0x50, 0x0, 0x0, {0x7, 0x29, 0x8, 0x0, 0xf, 0x0, 0xfffffff5, 0x8}}, 0x50) executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000080)='westwood\x00', 0x9) connect$inet6(r0, &(0x7f00000001c0)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, '\x00', 0x1b}, 0xd}, 0x1c) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000100), 0xfffffd9d) sendfile(r0, r1, 0x0, 0x8000002b) executing program 3: syz_mount_image$vfat(&(0x7f0000000040), &(0x7f00000000c0)='./bus\x00', 0x0, &(0x7f0000000100)={[{@uni_xlate}, {@shortname_mixed}, {@fat=@codepage={'codepage', 0x3d, '932'}}, {@utf8}, {@fat=@usefree}, {@uni_xlate}, {@shortname_winnt}, {@shortname_mixed}, {@uni_xlate}, {@shortname_mixed}]}, 0x2, 0x21a, &(0x7f0000000700)="$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") r0 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x6, 0x4, 0xfff, 0x7, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f00000001c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x52) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000080)='signal_generate\x00', r2}, 0x10) ftruncate(r0, 0x8012007ffb) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'ip6gretap0\x00', 0x0}) r3 = socket(0x10, 0x803, 0x0) sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0) getsockname$packet(r3, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000180)=0x14) sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000005c0)={&(0x7f00000004c0)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @ipvlan={{0xb}, {0x4}}}, @IFLA_LINK={0x8, 0x5, r2}, @IFLA_MASTER={0x8, 0xa, r4}]}, 0x44}}, 0x0) executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_mount_image$iso9660(&(0x7f0000000140), &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYRESOCT], 0x12, 0xa10, &(0x7f00000001c0)="$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") ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4400ae8f, &(0x7f0000000140)) executing program 3: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x3f, 0x822f01) openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x0) recvmmsg(r1, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000004c0)=""/4091, 0xffb}], 0x1}}], 0x1, 0x0, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x0) write$char_usb(r0, &(0x7f0000000040)="e2", 0x918) executing program 0: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000080)={'vcan0\x00', 0x0}) bind$can_raw(r0, &(0x7f00000005c0), 0x10) recvmmsg(r0, &(0x7f0000000a80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x2, 0x0) setsockopt$CAN_RAW_RECV_OWN_MSGS(r0, 0x65, 0x4, &(0x7f0000000580)=0x1, 0x4) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x5, 0x4) sendmsg$can_raw(r0, &(0x7f0000000240)={&(0x7f0000000780)={0x1d, r1}, 0x10, &(0x7f0000000480)={&(0x7f0000000140)=@can={{0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, "5b7ba3698f28aaf0"}, 0x10}}, 0x0) executing program 2: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, &(0x7f0000000000)=0x9, 0x8, 0x0) mbind(&(0x7f0000528000/0x4000)=nil, 0x4000, 0x1, 0x0, 0x0, 0x0) mlock2(&(0x7f00002a9000/0x1000)=nil, 0x1000, 0x0) mbind(&(0x7f00002ad000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, 0x0) mlock2(&(0x7f0000a9f000/0x3000)=nil, 0x3000, 0x0) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=@ipv4_newaddr={0x48, 0x14, 0x509, 0x0, 0x0, {0x2, 0x20, 0x0, 0x0, r2}, [@IFA_TARGET_NETNSID={0x8}, @IFA_LOCAL={0x8, 0x2, @multicast2}, @IFA_BROADCAST={0x8, 0x4, @local}, @IFA_RT_PRIORITY={0x8, 0x9, 0x5889}, @IFA_BROADCAST={0x8, 0x4, @local}, @IFA_RT_PRIORITY={0x8, 0x9, 0x8000103}]}, 0x48}, 0x1, 0x0, 0x0, 0x48000}, 0x8080) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$nl_route(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[], 0x70}}, 0x0) executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="170000000000000004000000ff"], 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) sendmsg$rds(r0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, @local}, 0x10, 0x0, 0x0, &(0x7f0000000240)=[@rdma_args={0x48, 0x114, 0x1, {{}, {0x0}, &(0x7f00000001c0)=[{&(0x7f0000000880)=""/4096, 0x1000}], 0x1, 0x0, 0x4}}], 0x48, 0x40841}, 0x0) executing program 3: r0 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r0, &(0x7f0000000100)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) r1 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r1, 0x10f, 0x87, &(0x7f0000000000)={0x20042, 0x1, 0x1}, 0x10) r2 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000240)={0x80042}, 0x10) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000000)={0x42, 0x0, 0x3}, 0x10) executing program 2: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001c40)={0x8, 0x3, &(0x7f0000001300)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000001200)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) unshare(0x4000400) r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) r3 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000003c0)={r0, r2}, 0x10) bpf$ITER_CREATE(0xf, &(0x7f0000000040)={r3, 0x30}, 0x8) executing program 1: mkdir(&(0x7f0000000300)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x100) mkdir(&(0x7f0000000040)='./bus\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000140)={0x10}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) bind$rds(r1, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) sendmsg$rds(r1, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x0, @local}, 0x10, 0x0, 0x0, &(0x7f0000000240)=[@rdma_args={0x48, 0x114, 0x1, {{}, {0x0}, &(0x7f00000001c0)=[{&(0x7f0000000880)=""/4096, 0x1000}], 0x1, 0x0, 0x4}}], 0x48, 0x40841}, 0x0) executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program crashed: KMSAN: uninit-value in io_nop single: successfully extracted reproducer found reproducer with 7 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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r2, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r2, 0x0) syz_io_uring_submit(r0, r1, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100), &(0x7f0000000140)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r1, 0x0) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) write$UHID_CREATE2(0xffffffffffffffff, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, 0xffffffffffffffff, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r0, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r0, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(0xffffffffffffffff, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, 0x0) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, 0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, 0x0, &(0x7f0000000140)=0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r2, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r2, 0x0) syz_io_uring_submit(0x0, r1, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r2, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r2, 0x0) syz_io_uring_submit(r1, 0x0, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, 0x0, 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000200)={0x0, 'pimreg0\x00', {0x3}, 0x43}) r0 = syz_io_uring_setup(0x24fa, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, 0x0) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop testing compiled C program (duration=6m0s, {Threaded:false 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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop testing compiled C program (duration=6m0s, {Threaded:false 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}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-syz_io_uring_setup-openat$cgroup_ro-write$UHID_CREATE2-mmap-syz_io_uring_submit-io_uring_enter program crashed: KMSAN: uninit-value in io_nop reproducing took 2h25m52.872571881s repro crashed as (corrupted=false): ===================================================== BUG: KMSAN: uninit-value in io_nop+0x549/0x8a0 io_uring/nop.c:55 io_nop+0x549/0x8a0 io_uring/nop.c:55 io_issue_sqe+0x420/0x2130 io_uring/io_uring.c:1712 io_queue_sqe io_uring/io_uring.c:1922 [inline] io_submit_sqe io_uring/io_uring.c:2177 [inline] io_submit_sqes+0x11bc/0x2f80 io_uring/io_uring.c:2294 __do_sys_io_uring_enter io_uring/io_uring.c:3365 [inline] __se_sys_io_uring_enter+0x423/0x4aa0 io_uring/io_uring.c:3300 __x64_sys_io_uring_enter+0x11f/0x1a0 io_uring/io_uring.c:3300 x64_sys_call+0xce5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:427 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4774 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2265 alloc_pages_noprof+0x1bf/0x1e0 mm/mempolicy.c:2345 alloc_slab_page mm/slub.c:2412 [inline] allocate_slab+0x320/0x12e0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3818 __kmem_cache_alloc_bulk mm/slub.c:4895 [inline] kmem_cache_alloc_bulk_noprof+0x486/0x1330 mm/slub.c:4967 __io_alloc_req_refill+0x84/0x5b0 io_uring/io_uring.c:958 io_alloc_req io_uring/io_uring.h:411 [inline] io_submit_sqes+0x9a2/0x2f80 io_uring/io_uring.c:2283 __do_sys_io_uring_enter io_uring/io_uring.c:3365 [inline] __se_sys_io_uring_enter+0x423/0x4aa0 io_uring/io_uring.c:3300 __x64_sys_io_uring_enter+0x11f/0x1a0 io_uring/io_uring.c:3300 x64_sys_call+0xce5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:427 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 5797 Comm: syz-executor348 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 ===================================================== final repro crashed as (corrupted=false): ===================================================== BUG: KMSAN: uninit-value in io_nop+0x549/0x8a0 io_uring/nop.c:55 io_nop+0x549/0x8a0 io_uring/nop.c:55 io_issue_sqe+0x420/0x2130 io_uring/io_uring.c:1712 io_queue_sqe io_uring/io_uring.c:1922 [inline] io_submit_sqe io_uring/io_uring.c:2177 [inline] io_submit_sqes+0x11bc/0x2f80 io_uring/io_uring.c:2294 __do_sys_io_uring_enter io_uring/io_uring.c:3365 [inline] __se_sys_io_uring_enter+0x423/0x4aa0 io_uring/io_uring.c:3300 __x64_sys_io_uring_enter+0x11f/0x1a0 io_uring/io_uring.c:3300 x64_sys_call+0xce5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:427 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4774 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2265 alloc_pages_noprof+0x1bf/0x1e0 mm/mempolicy.c:2345 alloc_slab_page mm/slub.c:2412 [inline] allocate_slab+0x320/0x12e0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3818 __kmem_cache_alloc_bulk mm/slub.c:4895 [inline] kmem_cache_alloc_bulk_noprof+0x486/0x1330 mm/slub.c:4967 __io_alloc_req_refill+0x84/0x5b0 io_uring/io_uring.c:958 io_alloc_req io_uring/io_uring.h:411 [inline] io_submit_sqes+0x9a2/0x2f80 io_uring/io_uring.c:2283 __do_sys_io_uring_enter io_uring/io_uring.c:3365 [inline] __se_sys_io_uring_enter+0x423/0x4aa0 io_uring/io_uring.c:3300 __x64_sys_io_uring_enter+0x11f/0x1a0 io_uring/io_uring.c:3300 x64_sys_call+0xce5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:427 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 5797 Comm: syz-executor348 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 =====================================================