Extracting prog: 41m54.587311806s Minimizing prog: 1h3m22.04751818s Simplifying prog options: 12m46.104889556s Extracting C: 38.782332647s Simplifying C: 0s extracting reproducer from 7 programs testing a last program of every proc single: executing 5 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-utimensat-socket$inet-setsockopt$SO_TIMESTAMPING-fsmount-getpid-syz_pidfd_open-openat$binder_debug-mkdirat-mount-mkdirat-mount-write-openat-write-openat-write-close-lseek-syz_open_dev$dri-ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO-process_madvise-syz_open_dev$video-openat-mmap-read$FUSE detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x400, 0xf3) utimensat(r0, 0x0, &(0x7f0000000580)={{0x0, 0x3ffffffe}, {0x77359400}}, 0x0) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x8000, 0x4) fsmount(r0, 0x1, 0x9) r2 = getpid() r3 = syz_pidfd_open(r2, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='sys_mnt\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='dev_mnt\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='lzo-rle', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='1', 0x1) r6 = openat(0xffffffffffffff9c, &(0x7f0000000440)='dev_mnt/zram0\x00', 0x2, 0x0) write(r6, &(0x7f0000000480)="001122334455", 0x6) close(r6) lseek(r4, 0x851, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000080), 0x0, 0xa84eb75ab268c8ae) ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO(r7, 0xc0106440, &(0x7f00000002c0)={0x2, 0x6, &(0x7f0000000280)}) process_madvise(r3, 0x0, 0x0, 0x19, 0x0) syz_open_dev$video(&(0x7f0000000000), 0x8, 0x680) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x101002, 0x15) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x5, 0x30, r6, 0x0) read$FUSE(r8, &(0x7f0000001180)={0x2020}, 0x2020) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): capset-socket$netlink-writev-socket$pppl2tp-connect$pppl2tp-inotify_init1-socket$can_bcm-ioctl$ifreq_SIOCGIFINDEX_vcan-socket-ioctl$ifreq_SIOCGIFINDEX_vcan-bind$can_j1939-sendmsg$nl_route_sched_retired-syz_genetlink_get_family_id$nl80211-socket$netlink-sendmsg$netlink detailed listing: executing program 0: capset(&(0x7f0000000080)={0x20080522}, &(0x7f0000000040)={0x200000, 0x200000, 0x0, 0x80000000, 0x5}) r0 = socket$netlink(0x10, 0x3, 0x4) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000080)="580000001400192340834b80040d8c560aff820fffff5bab00070000002058000b4824ca945f6400940f6a0325010ebc000000000000008000f0fffeffe809005300fff5dd0000000c0001000a0c100000000000224e0000", 0x58}], 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2, 0x1}}, 0x2e) inotify_init1(0x800) r2 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) r4 = socket(0x1d, 0x2, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vxcan0\x00', 0x0}) bind$can_j1939(r4, &(0x7f0000000380)={0x1d, r5, 0x1, {0x0, 0x1, 0x3}, 0xfe}, 0x18) sendmsg$nl_route_sched_retired(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@deltclass={0x24, 0x29, 0x1, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0xfff3, 0xffff}, {0x7, 0xd}, {0xb, 0x7}}}, 0x24}}, 0x4000050) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r4) r6 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r6, &(0x7f0000000740)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000011"], 0x30}], 0x1}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_smc-ioctl$int_in-connect$inet-close-prlimit64-getpid-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-connect$unix-recvmmsg-sched_setscheduler-syz_open_dev$video-mount$tmpfs-ioctl$USBDEVFS_CONNECTINFO-setsockopt$inet_opts-socket$inet_udp-setsockopt$IPT_SO_SET_REPLACE detailed listing: executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0x100000001) connect$inet(r0, 0x0, 0x0) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x88bfa000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_open_dev$video(0x0, 0x7, 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$USBDEVFS_CONNECTINFO(0xffffffffffffffff, 0x8108551b, &(0x7f0000002a40)) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000500)=@nat={'nat\x00', 0x670, 0x5, 0x4b0, 0x338, 0x338, 0xffffffff, 0x290, 0x0, 0x418, 0x418, 0xffffffff, 0x418, 0x418, 0x5, 0x0, {[{{@uncond, 0x0, 0x198, 0x1e0, 0x48, {}, [@common=@unspec=@string={{0xc0}, {0x5, 0xf, 'kmp\x00', "4801d3e4c6b2bfd892aa7400051624fa86999b13d39b99407a9b7abe75a728baa18da576811985de44110b8602025e1298ea55f1c5087ab16f67b18ca90ac68f0b3d6a068f727f7d23fa5fad26a59a5da2651212bdf9d29248ae63e2349b2470915eea2c39ade5129ff26b6fe772493180cfda2cdd49412e9469d85abdb467ba", 0x79, 0x2, {0x1}}}, @common=@unspec=@rateest={{0x68}, {'wlan1\x00', 'ip6tnl0\x00', 0x12, 0x2, 0x9, 0x2004, 0x5, 0x3, {0xc35}, {0x1ff}}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x12, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv6=@rand_addr=' \x01\x00', @port=0x4e21, @icmp_id=0x68}}}, {{@uncond, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0xa, 0x4, "ed481ca2c99b76ccda2879f6a12da5725ea2669d62d23b45710a851be124"}}}, {{@ip={@local, @remote, 0xff, 0x0, 'virt_wifi0\x00', 'batadv_slave_1\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x2, @local, @empty, @icmp_id=0x68, @port=0x4e22}}}}, {{@uncond, 0x0, 0x98, 0xe0, 0x0, {}, [@common=@icmp={{0x28}, {0xc, "1542", 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@broadcast, @ipv4=@empty, @gre_key=0x3, @icmp_id=0x64}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x510) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$hid-syz_usb_control_io$lan78xx-syz_usb_control_io$printer-syz_usb_control_io$uac2-syz_usb_control_io$printer detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)=ANY=[@ANYBLOB="120100005938d74010973077339600000001090212000100001e"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000080)={0x44, &(0x7f0000000480)=ANY=[@ANYBLOB="000a06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$lan78xx(r0, 0x0, &(0x7f00000003c0)={0x34, &(0x7f0000000200)=ANY=[@ANYBLOB="001503000000037f"], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000780)={0x34, &(0x7f0000000600)={0x20, 0x30, 0x5, "33fc0e1c56"}, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash single: failed to extract reproducer bisect: bisecting 7 programs with base timeout 30s testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [15, 9, 13, 4, 19, 15, 26] detailed listing: executing program 2: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbee2, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$kcm(0x11, 0x3, 0x0) r3 = socket(0x400000000010, 0x3, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2b, 0xfffffffd, {0x0, 0x0, 0x0, r5, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0x9}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8}}]}, 0x38}, 0x1, 0x0, 0x0, 0x8810}, 0x8080) sendmsg$nl_route_sched(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)=@newtfilter={0x58, 0x2c, 0xf3f, 0x30bd29, 0x25dfdbfd, {0x0, 0x0, 0x0, r5, {0x9, 0x4}, {}, {0x7, 0x6}}, [@filter_kind_options=@f_basic={{0xa}, {0x28, 0x2, [@TCA_BASIC_EMATCHES={0x24, 0x2, 0x0, 0x1, [@TCA_EMATCH_TREE_HDR={0x8, 0x1, {0x1}}, @TCA_EMATCH_TREE_LIST={0x18, 0x2, 0x0, 0x1, [@TCF_EM_CANID={0x14, 0x1, 0x0, 0x0, {{0xceb, 0x7, 0x4}, {{0x0, 0x0, 0x1, 0x1}, {0x0, 0x0, 0x1}}}}]}]}]}}]}, 0x58}, 0x1, 0x0, 0x0, 0x20041090}, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r6) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @multicast}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$kcm(r2, &(0x7f00000000c0)={&(0x7f0000000380)=@xdp={0x2c, 0x7, r7, 0x3e}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000180)='\'', 0x5dc}], 0x1}, 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)=ANY=[@ANYBLOB="120100005938d74010973077339600000001090212000100001e"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000080)={0x44, &(0x7f0000000480)=ANY=[@ANYBLOB="000a06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$lan78xx(r0, 0x0, &(0x7f00000003c0)={0x34, &(0x7f0000000200)=ANY=[@ANYBLOB="001503000000037f"], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000780)={0x34, &(0x7f0000000600)={0x20, 0x30, 0x5, "33fc0e1c56"}, 0x0, 0x0, 0x0, 0x0, 0x0}) executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) close(r0) socket$inet_smc(0x2b, 0x1, 0x0) r1 = syz_open_dev$loop(0x0, 0x75a, 0x0) ioctl$LOOP_SET_STATUS(r1, 0x1275, 0x0) setsockopt$sock_int(r0, 0x1, 0x2e, &(0x7f0000000040)=0x80, 0x4) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x7, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) setrlimit(0x6, &(0x7f0000000100)={0x4, 0x8000}) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0xa0028010}) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) executing program 3: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0x100000001) connect$inet(r0, 0x0, 0x0) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x88bfa000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_open_dev$video(0x0, 0x7, 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$USBDEVFS_CONNECTINFO(0xffffffffffffffff, 0x8108551b, &(0x7f0000002a40)) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000500)=@nat={'nat\x00', 0x670, 0x5, 0x4b0, 0x338, 0x338, 0xffffffff, 0x290, 0x0, 0x418, 0x418, 0xffffffff, 0x418, 0x418, 0x5, 0x0, {[{{@uncond, 0x0, 0x198, 0x1e0, 0x48, {}, [@common=@unspec=@string={{0xc0}, {0x5, 0xf, 'kmp\x00', "4801d3e4c6b2bfd892aa7400051624fa86999b13d39b99407a9b7abe75a728baa18da576811985de44110b8602025e1298ea55f1c5087ab16f67b18ca90ac68f0b3d6a068f727f7d23fa5fad26a59a5da2651212bdf9d29248ae63e2349b2470915eea2c39ade5129ff26b6fe772493180cfda2cdd49412e9469d85abdb467ba", 0x79, 0x2, {0x1}}}, @common=@unspec=@rateest={{0x68}, {'wlan1\x00', 'ip6tnl0\x00', 0x12, 0x2, 0x9, 0x2004, 0x5, 0x3, {0xc35}, {0x1ff}}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x12, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv6=@rand_addr=' \x01\x00', @port=0x4e21, @icmp_id=0x68}}}, {{@uncond, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0xa, 0x4, "ed481ca2c99b76ccda2879f6a12da5725ea2669d62d23b45710a851be124"}}}, {{@ip={@local, @remote, 0xff, 0x0, 'virt_wifi0\x00', 'batadv_slave_1\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x2, @local, @empty, @icmp_id=0x68, @port=0x4e22}}}}, {{@uncond, 0x0, 0x98, 0xe0, 0x0, {}, [@common=@icmp={{0x28}, {0xc, "1542", 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@broadcast, @ipv4=@empty, @gre_key=0x3, @icmp_id=0x64}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x510) executing program 4: capset(&(0x7f0000000080)={0x20080522}, &(0x7f0000000040)={0x200000, 0x200000, 0x0, 0x80000000, 0x5}) r0 = socket$netlink(0x10, 0x3, 0x4) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000080)="580000001400192340834b80040d8c560aff820fffff5bab00070000002058000b4824ca945f6400940f6a0325010ebc000000000000008000f0fffeffe809005300fff5dd0000000c0001000a0c100000000000224e0000", 0x58}], 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2, 0x1}}, 0x2e) inotify_init1(0x800) r2 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) r4 = socket(0x1d, 0x2, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vxcan0\x00', 0x0}) bind$can_j1939(r4, &(0x7f0000000380)={0x1d, r5, 0x1, {0x0, 0x1, 0x3}, 0xfe}, 0x18) sendmsg$nl_route_sched_retired(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@deltclass={0x24, 0x29, 0x1, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0xfff3, 0xffff}, {0x7, 0xd}, {0xb, 0x7}}}, 0x24}}, 0x4000050) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r4) r6 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r6, &(0x7f0000000740)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000011"], 0x30}], 0x1}, 0x0) executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x400, 0xf3) utimensat(r0, 0x0, &(0x7f0000000580)={{0x0, 0x3ffffffe}, {0x77359400}}, 0x0) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x8000, 0x4) fsmount(r0, 0x1, 0x9) r2 = getpid() r3 = syz_pidfd_open(r2, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='sys_mnt\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='dev_mnt\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='lzo-rle', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='1', 0x1) r6 = openat(0xffffffffffffff9c, &(0x7f0000000440)='dev_mnt/zram0\x00', 0x2, 0x0) write(r6, &(0x7f0000000480)="001122334455", 0x6) close(r6) lseek(r4, 0x851, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000080), 0x0, 0xa84eb75ab268c8ae) ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO(r7, 0xc0106440, &(0x7f00000002c0)={0x2, 0x6, &(0x7f0000000280)}) process_madvise(r3, 0x0, 0x0, 0x19, 0x0) syz_open_dev$video(&(0x7f0000000000), 0x8, 0x680) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x101002, 0x15) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x5, 0x30, r6, 0x0) read$FUSE(r8, &(0x7f0000001180)={0x2020}, 0x2020) program did not crash replaying the whole log did not cause a kernel crash single: executing 5 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-utimensat-socket$inet-setsockopt$SO_TIMESTAMPING-fsmount-getpid-syz_pidfd_open-openat$binder_debug-mkdirat-mount-mkdirat-mount-write-openat-write-openat-write-close-lseek-syz_open_dev$dri-ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO-process_madvise-syz_open_dev$video-openat-mmap-read$FUSE detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x400, 0xf3) utimensat(r0, 0x0, &(0x7f0000000580)={{0x0, 0x3ffffffe}, {0x77359400}}, 0x0) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x8000, 0x4) fsmount(r0, 0x1, 0x9) r2 = getpid() r3 = syz_pidfd_open(r2, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='sys_mnt\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='dev_mnt\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='lzo-rle', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='1', 0x1) r6 = openat(0xffffffffffffff9c, &(0x7f0000000440)='dev_mnt/zram0\x00', 0x2, 0x0) write(r6, &(0x7f0000000480)="001122334455", 0x6) close(r6) lseek(r4, 0x851, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000080), 0x0, 0xa84eb75ab268c8ae) ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO(r7, 0xc0106440, &(0x7f00000002c0)={0x2, 0x6, &(0x7f0000000280)}) process_madvise(r3, 0x0, 0x0, 0x19, 0x0) syz_open_dev$video(&(0x7f0000000000), 0x8, 0x680) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x101002, 0x15) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x5, 0x30, r6, 0x0) read$FUSE(r8, &(0x7f0000001180)={0x2020}, 0x2020) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): capset-socket$netlink-writev-socket$pppl2tp-connect$pppl2tp-inotify_init1-socket$can_bcm-ioctl$ifreq_SIOCGIFINDEX_vcan-socket-ioctl$ifreq_SIOCGIFINDEX_vcan-bind$can_j1939-sendmsg$nl_route_sched_retired-syz_genetlink_get_family_id$nl80211-socket$netlink-sendmsg$netlink detailed listing: executing program 0: capset(&(0x7f0000000080)={0x20080522}, &(0x7f0000000040)={0x200000, 0x200000, 0x0, 0x80000000, 0x5}) r0 = socket$netlink(0x10, 0x3, 0x4) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000080)="580000001400192340834b80040d8c560aff820fffff5bab00070000002058000b4824ca945f6400940f6a0325010ebc000000000000008000f0fffeffe809005300fff5dd0000000c0001000a0c100000000000224e0000", 0x58}], 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2, 0x1}}, 0x2e) inotify_init1(0x800) r2 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) r4 = socket(0x1d, 0x2, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vxcan0\x00', 0x0}) bind$can_j1939(r4, &(0x7f0000000380)={0x1d, r5, 0x1, {0x0, 0x1, 0x3}, 0xfe}, 0x18) sendmsg$nl_route_sched_retired(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@deltclass={0x24, 0x29, 0x1, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0xfff3, 0xffff}, {0x7, 0xd}, {0xb, 0x7}}}, 0x24}}, 0x4000050) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r4) r6 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r6, &(0x7f0000000740)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000011"], 0x30}], 0x1}, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_smc-ioctl$int_in-connect$inet-close-prlimit64-getpid-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-connect$unix-recvmmsg-sched_setscheduler-syz_open_dev$video-mount$tmpfs-ioctl$USBDEVFS_CONNECTINFO-setsockopt$inet_opts-socket$inet_udp-setsockopt$IPT_SO_SET_REPLACE detailed listing: executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0x100000001) connect$inet(r0, 0x0, 0x0) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x88bfa000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_open_dev$video(0x0, 0x7, 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$USBDEVFS_CONNECTINFO(0xffffffffffffffff, 0x8108551b, &(0x7f0000002a40)) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000500)=@nat={'nat\x00', 0x670, 0x5, 0x4b0, 0x338, 0x338, 0xffffffff, 0x290, 0x0, 0x418, 0x418, 0xffffffff, 0x418, 0x418, 0x5, 0x0, {[{{@uncond, 0x0, 0x198, 0x1e0, 0x48, {}, [@common=@unspec=@string={{0xc0}, {0x5, 0xf, 'kmp\x00', "4801d3e4c6b2bfd892aa7400051624fa86999b13d39b99407a9b7abe75a728baa18da576811985de44110b8602025e1298ea55f1c5087ab16f67b18ca90ac68f0b3d6a068f727f7d23fa5fad26a59a5da2651212bdf9d29248ae63e2349b2470915eea2c39ade5129ff26b6fe772493180cfda2cdd49412e9469d85abdb467ba", 0x79, 0x2, {0x1}}}, @common=@unspec=@rateest={{0x68}, {'wlan1\x00', 'ip6tnl0\x00', 0x12, 0x2, 0x9, 0x2004, 0x5, 0x3, {0xc35}, {0x1ff}}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x12, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv6=@rand_addr=' \x01\x00', @port=0x4e21, @icmp_id=0x68}}}, {{@uncond, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0xa, 0x4, "ed481ca2c99b76ccda2879f6a12da5725ea2669d62d23b45710a851be124"}}}, {{@ip={@local, @remote, 0xff, 0x0, 'virt_wifi0\x00', 'batadv_slave_1\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x2, @local, @empty, @icmp_id=0x68, @port=0x4e22}}}}, {{@uncond, 0x0, 0x98, 0xe0, 0x0, {}, [@common=@icmp={{0x28}, {0xc, "1542", 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@broadcast, @ipv4=@empty, @gre_key=0x3, @icmp_id=0x64}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x510) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$hid-syz_usb_control_io$lan78xx-syz_usb_control_io$printer-syz_usb_control_io$uac2-syz_usb_control_io$printer detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)=ANY=[@ANYBLOB="120100005938d74010973077339600000001090212000100001e"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000080)={0x44, &(0x7f0000000480)=ANY=[@ANYBLOB="000a06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$lan78xx(r0, 0x0, &(0x7f00000003c0)={0x34, &(0x7f0000000200)=ANY=[@ANYBLOB="001503000000037f"], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000780)={0x34, &(0x7f0000000600)={0x20, 0x30, 0x5, "33fc0e1c56"}, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash single: failed to extract reproducer bisect: bisecting 7 programs with base timeout 1m40s testing program (duration=1m41s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [15, 9, 13, 4, 19, 15, 26] detailed listing: executing program 2: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbee2, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$kcm(0x11, 0x3, 0x0) r3 = socket(0x400000000010, 0x3, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2b, 0xfffffffd, {0x0, 0x0, 0x0, r5, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0x9}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8}}]}, 0x38}, 0x1, 0x0, 0x0, 0x8810}, 0x8080) sendmsg$nl_route_sched(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)=@newtfilter={0x58, 0x2c, 0xf3f, 0x30bd29, 0x25dfdbfd, {0x0, 0x0, 0x0, r5, {0x9, 0x4}, {}, {0x7, 0x6}}, [@filter_kind_options=@f_basic={{0xa}, {0x28, 0x2, [@TCA_BASIC_EMATCHES={0x24, 0x2, 0x0, 0x1, [@TCA_EMATCH_TREE_HDR={0x8, 0x1, {0x1}}, @TCA_EMATCH_TREE_LIST={0x18, 0x2, 0x0, 0x1, [@TCF_EM_CANID={0x14, 0x1, 0x0, 0x0, {{0xceb, 0x7, 0x4}, {{0x0, 0x0, 0x1, 0x1}, {0x0, 0x0, 0x1}}}}]}]}]}}]}, 0x58}, 0x1, 0x0, 0x0, 0x20041090}, 0x0) r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r6) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @multicast}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$kcm(r2, &(0x7f00000000c0)={&(0x7f0000000380)=@xdp={0x2c, 0x7, r7, 0x3e}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000180)='\'', 0x5dc}], 0x1}, 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)=ANY=[@ANYBLOB="120100005938d74010973077339600000001090212000100001e"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000080)={0x44, &(0x7f0000000480)=ANY=[@ANYBLOB="000a06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$lan78xx(r0, 0x0, &(0x7f00000003c0)={0x34, &(0x7f0000000200)=ANY=[@ANYBLOB="001503000000037f"], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac2(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000780)={0x34, &(0x7f0000000600)={0x20, 0x30, 0x5, "33fc0e1c56"}, 0x0, 0x0, 0x0, 0x0, 0x0}) executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) close(r0) socket$inet_smc(0x2b, 0x1, 0x0) r1 = syz_open_dev$loop(0x0, 0x75a, 0x0) ioctl$LOOP_SET_STATUS(r1, 0x1275, 0x0) setsockopt$sock_int(r0, 0x1, 0x2e, &(0x7f0000000040)=0x80, 0x4) prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x7, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) setrlimit(0x6, &(0x7f0000000100)={0x4, 0x8000}) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0xa0028010}) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) executing program 3: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0x100000001) connect$inet(r0, 0x0, 0x0) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x88bfa000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_open_dev$video(0x0, 0x7, 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$USBDEVFS_CONNECTINFO(0xffffffffffffffff, 0x8108551b, &(0x7f0000002a40)) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000500)=@nat={'nat\x00', 0x670, 0x5, 0x4b0, 0x338, 0x338, 0xffffffff, 0x290, 0x0, 0x418, 0x418, 0xffffffff, 0x418, 0x418, 0x5, 0x0, {[{{@uncond, 0x0, 0x198, 0x1e0, 0x48, {}, [@common=@unspec=@string={{0xc0}, {0x5, 0xf, 'kmp\x00', "4801d3e4c6b2bfd892aa7400051624fa86999b13d39b99407a9b7abe75a728baa18da576811985de44110b8602025e1298ea55f1c5087ab16f67b18ca90ac68f0b3d6a068f727f7d23fa5fad26a59a5da2651212bdf9d29248ae63e2349b2470915eea2c39ade5129ff26b6fe772493180cfda2cdd49412e9469d85abdb467ba", 0x79, 0x2, {0x1}}}, @common=@unspec=@rateest={{0x68}, {'wlan1\x00', 'ip6tnl0\x00', 0x12, 0x2, 0x9, 0x2004, 0x5, 0x3, {0xc35}, {0x1ff}}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x12, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv6=@rand_addr=' \x01\x00', @port=0x4e21, @icmp_id=0x68}}}, {{@uncond, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0xa, 0x4, "ed481ca2c99b76ccda2879f6a12da5725ea2669d62d23b45710a851be124"}}}, {{@ip={@local, @remote, 0xff, 0x0, 'virt_wifi0\x00', 'batadv_slave_1\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x2, @local, @empty, @icmp_id=0x68, @port=0x4e22}}}}, {{@uncond, 0x0, 0x98, 0xe0, 0x0, {}, [@common=@icmp={{0x28}, {0xc, "1542", 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@broadcast, @ipv4=@empty, @gre_key=0x3, @icmp_id=0x64}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x510) executing program 4: capset(&(0x7f0000000080)={0x20080522}, &(0x7f0000000040)={0x200000, 0x200000, 0x0, 0x80000000, 0x5}) r0 = socket$netlink(0x10, 0x3, 0x4) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000080)="580000001400192340834b80040d8c560aff820fffff5bab00070000002058000b4824ca945f6400940f6a0325010ebc000000000000008000f0fffeffe809005300fff5dd0000000c0001000a0c100000000000224e0000", 0x58}], 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2, 0x1}}, 0x2e) inotify_init1(0x800) r2 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) r4 = socket(0x1d, 0x2, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vxcan0\x00', 0x0}) bind$can_j1939(r4, &(0x7f0000000380)={0x1d, r5, 0x1, {0x0, 0x1, 0x3}, 0xfe}, 0x18) sendmsg$nl_route_sched_retired(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@deltclass={0x24, 0x29, 0x1, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0xfff3, 0xffff}, {0x7, 0xd}, {0xb, 0x7}}}, 0x24}}, 0x4000050) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r4) r6 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r6, &(0x7f0000000740)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000011"], 0x30}], 0x1}, 0x0) executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x400, 0xf3) utimensat(r0, 0x0, &(0x7f0000000580)={{0x0, 0x3ffffffe}, {0x77359400}}, 0x0) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x8000, 0x4) fsmount(r0, 0x1, 0x9) r2 = getpid() r3 = syz_pidfd_open(r2, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='sys_mnt\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='dev_mnt\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='lzo-rle', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='1', 0x1) r6 = openat(0xffffffffffffff9c, &(0x7f0000000440)='dev_mnt/zram0\x00', 0x2, 0x0) write(r6, &(0x7f0000000480)="001122334455", 0x6) close(r6) lseek(r4, 0x851, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000080), 0x0, 0xa84eb75ab268c8ae) ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO(r7, 0xc0106440, &(0x7f00000002c0)={0x2, 0x6, &(0x7f0000000280)}) process_madvise(r3, 0x0, 0x0, 0x19, 0x0) syz_open_dev$video(&(0x7f0000000000), 0x8, 0x680) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x101002, 0x15) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x5, 0x30, r6, 0x0) read$FUSE(r8, &(0x7f0000001180)={0x2020}, 0x2020) program did not crash replaying the whole log did not cause a kernel crash single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-utimensat-socket$inet-setsockopt$SO_TIMESTAMPING-fsmount-getpid-syz_pidfd_open-openat$binder_debug-mkdirat-mount-mkdirat-mount-write-openat-write-openat-write-close-lseek-syz_open_dev$dri-ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO-process_madvise-syz_open_dev$video-openat-mmap-read$FUSE detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x400, 0xf3) utimensat(r0, 0x0, &(0x7f0000000580)={{0x0, 0x3ffffffe}, {0x77359400}}, 0x0) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x8000, 0x4) fsmount(r0, 0x1, 0x9) r2 = getpid() r3 = syz_pidfd_open(r2, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='sys_mnt\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='dev_mnt\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='lzo-rle', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r5, &(0x7f0000000400)='1', 0x1) r6 = openat(0xffffffffffffff9c, &(0x7f0000000440)='dev_mnt/zram0\x00', 0x2, 0x0) write(r6, &(0x7f0000000480)="001122334455", 0x6) close(r6) lseek(r4, 0x851, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000080), 0x0, 0xa84eb75ab268c8ae) ioctl$DRM_IOCTL_PANTHOR_DEV_QUERY_TIMESTAMP_INFO(r7, 0xc0106440, &(0x7f00000002c0)={0x2, 0x6, &(0x7f0000000280)}) process_madvise(r3, 0x0, 0x0, 0x19, 0x0) syz_open_dev$video(&(0x7f0000000000), 0x8, 0x680) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file2\x00', 0x101002, 0x15) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x5, 0x30, r6, 0x0) read$FUSE(r8, &(0x7f0000001180)={0x2020}, 0x2020) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): capset-socket$netlink-writev-socket$pppl2tp-connect$pppl2tp-inotify_init1-socket$can_bcm-ioctl$ifreq_SIOCGIFINDEX_vcan-socket-ioctl$ifreq_SIOCGIFINDEX_vcan-bind$can_j1939-sendmsg$nl_route_sched_retired-syz_genetlink_get_family_id$nl80211-socket$netlink-sendmsg$netlink detailed listing: executing program 0: capset(&(0x7f0000000080)={0x20080522}, &(0x7f0000000040)={0x200000, 0x200000, 0x0, 0x80000000, 0x5}) r0 = socket$netlink(0x10, 0x3, 0x4) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000080)="580000001400192340834b80040d8c560aff820fffff5bab00070000002058000b4824ca945f6400940f6a0325010ebc000000000000008000f0fffeffe809005300fff5dd0000000c0001000a0c100000000000224e0000", 0x58}], 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2, 0x1}}, 0x2e) inotify_init1(0x800) r2 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) r4 = socket(0x1d, 0x2, 0x6) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vxcan0\x00', 0x0}) bind$can_j1939(r4, &(0x7f0000000380)={0x1d, r5, 0x1, {0x0, 0x1, 0x3}, 0xfe}, 0x18) sendmsg$nl_route_sched_retired(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@deltclass={0x24, 0x29, 0x1, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0xfff3, 0xffff}, {0x7, 0xd}, {0xb, 0x7}}}, 0x24}}, 0x4000050) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), r4) r6 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r6, &(0x7f0000000740)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000011"], 0x30}], 0x1}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_smc-ioctl$int_in-connect$inet-close-prlimit64-getpid-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-connect$unix-recvmmsg-sched_setscheduler-syz_open_dev$video-mount$tmpfs-ioctl$USBDEVFS_CONNECTINFO-setsockopt$inet_opts-socket$inet_udp-setsockopt$IPT_SO_SET_REPLACE detailed listing: executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000100)=0x100000001) connect$inet(r0, 0x0, 0x0) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x88bfa000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_open_dev$video(0x0, 0x7, 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$USBDEVFS_CONNECTINFO(0xffffffffffffffff, 0x8108551b, &(0x7f0000002a40)) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000500)=@nat={'nat\x00', 0x670, 0x5, 0x4b0, 0x338, 0x338, 0xffffffff, 0x290, 0x0, 0x418, 0x418, 0xffffffff, 0x418, 0x418, 0x5, 0x0, {[{{@uncond, 0x0, 0x198, 0x1e0, 0x48, {}, [@common=@unspec=@string={{0xc0}, {0x5, 0xf, 'kmp\x00', "4801d3e4c6b2bfd892aa7400051624fa86999b13d39b99407a9b7abe75a728baa18da576811985de44110b8602025e1298ea55f1c5087ab16f67b18ca90ac68f0b3d6a068f727f7d23fa5fad26a59a5da2651212bdf9d29248ae63e2349b2470915eea2c39ade5129ff26b6fe772493180cfda2cdd49412e9469d85abdb467ba", 0x79, 0x2, {0x1}}}, @common=@unspec=@rateest={{0x68}, {'wlan1\x00', 'ip6tnl0\x00', 0x12, 0x2, 0x9, 0x2004, 0x5, 0x3, {0xc35}, {0x1ff}}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x12, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv6=@rand_addr=' \x01\x00', @port=0x4e21, @icmp_id=0x68}}}, {{@uncond, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0xa, 0x4, "ed481ca2c99b76ccda2879f6a12da5725ea2669d62d23b45710a851be124"}}}, {{@ip={@local, @remote, 0xff, 0x0, 'virt_wifi0\x00', 'batadv_slave_1\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x2, @local, @empty, @icmp_id=0x68, @port=0x4e22}}}}, {{@uncond, 0x0, 0x98, 0xe0, 0x0, {}, [@common=@icmp={{0x28}, {0xc, "1542", 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@broadcast, @ipv4=@empty, @gre_key=0x3, @icmp_id=0x64}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x510) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program crashed: KASAN: slab-use-after-free Read in event_handler single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in vhci_shutdown_connection a never seen crash title: KASAN: slab-use-after-free Read in vhci_shutdown_connection, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program crashed: KASAN: slab-use-after-free Read in event_handler validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program crashed: KASAN: slab-use-after-free Read in vhci_shutdown_connection validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='vhci_hcd.0\x00', 0xb) program crashed: KASAN: slab-use-after-free Read in vhci_shutdown_connection validation run: crashed=true reproducing took 2h4m37.240894016s repro crashed as (corrupted=false): vhci_hcd vhci_hcd.0: disconnect device vhci_hcd vhci_hcd.0: stop threads ================================================================== BUG: KASAN: slab-use-after-free in vhci_shutdown_connection+0x1d4/0x650 drivers/usb/usbip/vhci_hcd.c:1062 Read of size 8 at addr ffff888020bd1560 by task kworker/u8:9/1170 CPU: 1 UID: 0 PID: 1170 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: usbip_event event_handler Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 vhci_shutdown_connection+0x1d4/0x650 drivers/usb/usbip/vhci_hcd.c:1062 event_handler+0x2a4/0x4b0 drivers/usb/usbip/usbip_event.c:79 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 1: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5334 [inline] __kmalloc_noprof+0x375/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] __usb_create_hcd+0x67/0x900 drivers/usb/core/hcd.c:2566 vhci_hcd_probe+0x104/0x3e0 drivers/usb/usbip/vhci_hcd.c:1378 platform_probe+0xf9/0x190 drivers/base/platform.c:1439 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 platform_device_add+0x4bd/0x860 drivers/base/platform.c:762 platform_device_register_full+0x62d/0x710 drivers/base/platform.c:902 vhci_hcd_init+0x227/0x360 drivers/usb/usbip/vhci_hcd.c:1557 do_one_initcall+0x250/0x870 init/main.c:1347 do_initcall_level+0x10a/0x1a0 init/main.c:1409 do_initcalls+0x59/0xa0 init/main.c:1425 kernel_init_freeable+0x29d/0x3e0 init/main.c:1658 kernel_init+0x1d/0x1d0 init/main.c:1548 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 6083: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2677 [inline] slab_free mm/slub.c:6377 [inline] kfree+0x1c5/0x640 mm/slub.c:6692 vhci_hcd_remove+0xe4/0x110 drivers/usb/usbip/vhci_hcd.c:1434 device_remove drivers/base/dd.c:616 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372 unbind_store+0x1a1/0x1d0 drivers/base/bus.c:244 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 insert_work+0x3d/0x330 kernel/workqueue.c:2226 __queue_work+0xcd8/0x10a0 kernel/workqueue.c:2401 queue_work_on+0x106/0x1d0 kernel/workqueue.c:2452 usb_rh_urb_dequeue drivers/usb/core/hcd.c:845 [inline] unlink1+0x344/0x3e0 drivers/usb/core/hcd.c:1580 usb_hcd_unlink_urb+0xe6/0x1e0 drivers/usb/core/hcd.c:1617 usb_kill_urb+0x10b/0x2f0 drivers/usb/core/urb.c:716 hub_quiesce+0x211/0x330 drivers/usb/core/hub.c:1412 hub_suspend+0x904/0xad0 drivers/usb/core/hub.c:4008 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline] usb_suspend_both+0x285/0x1040 drivers/usb/core/driver.c:1446 usb_runtime_suspend+0x58/0x110 drivers/usb/core/driver.c:2000 __rpm_callback+0x2c7/0x950 drivers/base/power/runtime.c:406 rpm_callback drivers/base/power/runtime.c:460 [inline] rpm_suspend+0x8a0/0x17b0 drivers/base/power/runtime.c:698 __pm_runtime_suspend+0x12f/0x1a0 drivers/base/power/runtime.c:1167 pm_runtime_autosuspend include/linux/pm_runtime.h:415 [inline] usb_runtime_idle+0x76/0x90 drivers/usb/core/driver.c:2037 rpm_idle+0x5b4/0x980 drivers/base/power/runtime.c:550 pm_runtime_work+0x11e/0x1b0 drivers/base/power/runtime.c:995 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Second to last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 insert_work+0x3d/0x330 kernel/workqueue.c:2226 __queue_work+0xcd8/0x10a0 kernel/workqueue.c:2401 queue_work_on+0x106/0x1d0 kernel/workqueue.c:2452 rh_call_control drivers/usb/core/hcd.c:706 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:817 [inline] usb_hcd_submit_urb+0xa3b/0x1b60 drivers/usb/core/hcd.c:1538 usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 get_port_status drivers/usb/core/hub.c:607 [inline] hub_ext_port_status+0x114/0x810 drivers/usb/core/hub.c:624 usb_hub_port_status drivers/usb/core/hub.c:674 [inline] hub_activate+0x740/0x1b20 drivers/usb/core/hub.c:1185 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888020bd0000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 5472 bytes inside of freed 8192-byte region [ffff888020bd0000, ffff888020bd2000) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x20bd0 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801b005280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801b005280 dead000000000100 dead000000000122 head: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10, tgid 10 (kworker/0:1), ts 3790461764, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x21fa/0x2270 mm/page_alloc.c:3946 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304 alloc_slab_page mm/slub.c:3266 [inline] allocate_slab+0x79/0x5e0 mm/slub.c:3380 new_slab mm/slub.c:3426 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7310 refill_sheaf mm/slub.c:2804 [inline] __pcs_replace_empty_main+0x2bf/0x6b0 mm/slub.c:4675 alloc_from_pcs mm/slub.c:4773 [inline] slab_alloc_node mm/slub.c:4905 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_noprof+0x485/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] acpi_ut_initialize_buffer+0xca/0x170 drivers/acpi/acpica/utalloc.c:-1 acpi_rs_create_pci_routing_table+0x1c0/0xd90 drivers/acpi/acpica/rscreate.c:212 acpi_rs_get_prt_method_data+0xdf/0x150 drivers/acpi/acpica/rsutils.c:456 acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137 acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215 acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299 acpi_pci_irq_enable+0x1ee/0x7a0 drivers/acpi/pci_irq.c:414 do_pci_enable_device+0x26f/0x4a0 drivers/pci/pci.c:1998 pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2089 page_owner free stack trace missing Memory state around the buggy address: ffff888020bd1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888020bd1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888020bd1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888020bd1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888020bd1600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): vhci_hcd vhci_hcd.0: disconnect device vhci_hcd vhci_hcd.0: stop threads ================================================================== BUG: KASAN: slab-use-after-free in vhci_shutdown_connection+0x1d4/0x650 drivers/usb/usbip/vhci_hcd.c:1062 Read of size 8 at addr ffff888020bd1560 by task kworker/u8:9/1170 CPU: 1 UID: 0 PID: 1170 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: usbip_event event_handler Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 vhci_shutdown_connection+0x1d4/0x650 drivers/usb/usbip/vhci_hcd.c:1062 event_handler+0x2a4/0x4b0 drivers/usb/usbip/usbip_event.c:79 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 1: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5334 [inline] __kmalloc_noprof+0x375/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] __usb_create_hcd+0x67/0x900 drivers/usb/core/hcd.c:2566 vhci_hcd_probe+0x104/0x3e0 drivers/usb/usbip/vhci_hcd.c:1378 platform_probe+0xf9/0x190 drivers/base/platform.c:1439 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 platform_device_add+0x4bd/0x860 drivers/base/platform.c:762 platform_device_register_full+0x62d/0x710 drivers/base/platform.c:902 vhci_hcd_init+0x227/0x360 drivers/usb/usbip/vhci_hcd.c:1557 do_one_initcall+0x250/0x870 init/main.c:1347 do_initcall_level+0x10a/0x1a0 init/main.c:1409 do_initcalls+0x59/0xa0 init/main.c:1425 kernel_init_freeable+0x29d/0x3e0 init/main.c:1658 kernel_init+0x1d/0x1d0 init/main.c:1548 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 6083: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2677 [inline] slab_free mm/slub.c:6377 [inline] kfree+0x1c5/0x640 mm/slub.c:6692 vhci_hcd_remove+0xe4/0x110 drivers/usb/usbip/vhci_hcd.c:1434 device_remove drivers/base/dd.c:616 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372 unbind_store+0x1a1/0x1d0 drivers/base/bus.c:244 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 insert_work+0x3d/0x330 kernel/workqueue.c:2226 __queue_work+0xcd8/0x10a0 kernel/workqueue.c:2401 queue_work_on+0x106/0x1d0 kernel/workqueue.c:2452 usb_rh_urb_dequeue drivers/usb/core/hcd.c:845 [inline] unlink1+0x344/0x3e0 drivers/usb/core/hcd.c:1580 usb_hcd_unlink_urb+0xe6/0x1e0 drivers/usb/core/hcd.c:1617 usb_kill_urb+0x10b/0x2f0 drivers/usb/core/urb.c:716 hub_quiesce+0x211/0x330 drivers/usb/core/hub.c:1412 hub_suspend+0x904/0xad0 drivers/usb/core/hub.c:4008 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline] usb_suspend_both+0x285/0x1040 drivers/usb/core/driver.c:1446 usb_runtime_suspend+0x58/0x110 drivers/usb/core/driver.c:2000 __rpm_callback+0x2c7/0x950 drivers/base/power/runtime.c:406 rpm_callback drivers/base/power/runtime.c:460 [inline] rpm_suspend+0x8a0/0x17b0 drivers/base/power/runtime.c:698 __pm_runtime_suspend+0x12f/0x1a0 drivers/base/power/runtime.c:1167 pm_runtime_autosuspend include/linux/pm_runtime.h:415 [inline] usb_runtime_idle+0x76/0x90 drivers/usb/core/driver.c:2037 rpm_idle+0x5b4/0x980 drivers/base/power/runtime.c:550 pm_runtime_work+0x11e/0x1b0 drivers/base/power/runtime.c:995 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Second to last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 insert_work+0x3d/0x330 kernel/workqueue.c:2226 __queue_work+0xcd8/0x10a0 kernel/workqueue.c:2401 queue_work_on+0x106/0x1d0 kernel/workqueue.c:2452 rh_call_control drivers/usb/core/hcd.c:706 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:817 [inline] usb_hcd_submit_urb+0xa3b/0x1b60 drivers/usb/core/hcd.c:1538 usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 get_port_status drivers/usb/core/hub.c:607 [inline] hub_ext_port_status+0x114/0x810 drivers/usb/core/hub.c:624 usb_hub_port_status drivers/usb/core/hub.c:674 [inline] hub_activate+0x740/0x1b20 drivers/usb/core/hub.c:1185 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888020bd0000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 5472 bytes inside of freed 8192-byte region [ffff888020bd0000, ffff888020bd2000) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x20bd0 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801b005280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801b005280 dead000000000100 dead000000000122 head: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10, tgid 10 (kworker/0:1), ts 3790461764, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x21fa/0x2270 mm/page_alloc.c:3946 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304 alloc_slab_page mm/slub.c:3266 [inline] allocate_slab+0x79/0x5e0 mm/slub.c:3380 new_slab mm/slub.c:3426 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7310 refill_sheaf mm/slub.c:2804 [inline] __pcs_replace_empty_main+0x2bf/0x6b0 mm/slub.c:4675 alloc_from_pcs mm/slub.c:4773 [inline] slab_alloc_node mm/slub.c:4905 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_noprof+0x485/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] acpi_ut_initialize_buffer+0xca/0x170 drivers/acpi/acpica/utalloc.c:-1 acpi_rs_create_pci_routing_table+0x1c0/0xd90 drivers/acpi/acpica/rscreate.c:212 acpi_rs_get_prt_method_data+0xdf/0x150 drivers/acpi/acpica/rsutils.c:456 acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137 acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215 acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299 acpi_pci_irq_enable+0x1ee/0x7a0 drivers/acpi/pci_irq.c:414 do_pci_enable_device+0x26f/0x4a0 drivers/pci/pci.c:1998 pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2089 page_owner free stack trace missing Memory state around the buggy address: ffff888020bd1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888020bd1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888020bd1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888020bd1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888020bd1600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================