Extracting prog: 19m29.856116096s Minimizing prog: 37m57.268103207s Simplifying prog options: 0s Extracting C: 50.305983859s Simplifying C: 14m31.701960369s extracting reproducer from 51 programs testing a last program of every proc single: executing 11 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}}): prlimit64-sched_setscheduler-semget$private-semtimedop-semctl$SETVAL-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$rds-bind$rds-add_key$keyring-mkdir-socket$nl_generic-syz_genetlink_get_family_id$tipc2-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_TRIGGER_SCAN-sendmsg$TIPC_NL_LINK_SET-ioctl$sock_TIOCINQ-sendmsg$kcm-setsockopt$inet_int-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-statfs-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = semget$private(0x0, 0x4, 0x589) semtimedop(r0, &(0x7f0000000300)=[{0x3, 0xfff7, 0x1000}], 0x1, 0x0) semctl$SETVAL(r0, 0x3, 0x10, &(0x7f0000000040)=0x4) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x2010, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) socket$rds(0x15, 0x5, 0x0) bind$rds(r3, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff) mkdir(0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc2(&(0x7f00000002c0), 0xffffffffffffffff) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r6, 0x8933, &(0x7f0000000040)={'wlan0\x00', 0x0}) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NL80211_CMD_TRIGGER_SCAN(r6, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000001440)={0x1c, r8, 0x1, 0x0, 0x0, {{0x8}, {@val={0x8, 0x3, r7}, @void}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$TIPC_NL_LINK_SET(r4, &(0x7f0000000540)={0x0, 0x0, &(0x7f00000012c0)={&(0x7f0000000740)=ANY=[@ANYBLOB="842ad2f06ba564f59013c0227de9166e94e13aaa07e9e94ad799759db98e04e29ad9d54ddda224aa58af39017b525ba9068493b81f9b51fe0b4c2b6c595d230decd875e4353edaeeaccf9689521113932c889bb01ca181e5dd18154230fb6bc95cde2cb45c06156697b322762926a05b9979e495bb6d", @ANYRES16=r5, @ANYBLOB="0106000000000000000009000000240004801300010062726f6164636173742d6c696e6b00000c0007800800050004000000"], 0x38}}, 0x0) ioctl$sock_TIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000004b80)) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f0000000280)=@x25, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000880)="196f19a7662613528d02b53b682e39e05cd78792f971d2506b0c4191bdb5c1c525752712755c2e7da17e02448e9d949a0111740358b9e680472279a49304d1b29fca5eb44b9663c76cfb6c182977b65cd67eefb02cde7f5181ab1dac626c18f382e639988805da22eb4f8738f8dff352c8e3f35d1ad299cb78346848981ebf563b9a249b7cee9a8bb84da8565c37c22757d4671628c00af851a30826738106ea185cfc305f88ff99f89300d57a0d7b179c667913a91c4deefdbbfc688343922055d20c74a17a41208c4153294fd2c671352c27c8ebbc49b356c4d58e69323dd0dc1afbe5e146ca0fe997d0", 0xeb}, {&(0x7f0000000600)="8ec3b701000000010000008be3982c9923590731dabea8e8ac6112883c2dc07bccfc45545196451763d64e8be4d52ba56f64b296fe3693c765bbfc2e2f7831bf2deab526ed3a5d9b43", 0x49}, {&(0x7f0000000680)}], 0x3, &(0x7f0000000700)=ANY=[@ANYRES64=r0], 0x40}, 0x20000000) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0xf, &(0x7f0000000340)=0xfffffffffffffff9, 0x4) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f00000000c0)=[@in6={0xa, 0x4e21, 0xfffffffc, @private2={0xfc, 0x2, '\x00', 0x41}, 0x8}], 0x1c) statfs(&(0x7f00000001c0)='./file1\x00', &(0x7f0000000980)=""/123) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000000100)=[@in={0x2, 0x0, @loopback}], 0x10) program did not crash program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-creat-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-syz_genetlink_get_family_id$nl80211-ioctl$KVM_CREATE_VM-stat-read$FUSE-newfstatat-newfstatat-semctl$IPC_SET-socket$nl_netfilter-sendmsg$NL80211_CMD_FRAME-syz_genetlink_get_family_id$ethtool-setsockopt$inet_buf-close-sendmsg$NFNL_MSG_ACCT_GET-sendmsg$nl_route-setitimer detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = creat(0x0, 0xd931d3864d39dc55) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000400)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xffffe000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100), 0xffffffffffffffff) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) stat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x0}) read$FUSE(r1, &(0x7f0000000a00)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) newfstatat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x4000) newfstatat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x4000) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000580)={{0x3, r5, r6, r7, r8, 0x2, 0x9b}, 0xdf2, 0x7fff, 0x0, 0x0, 0x0, 0x0, 0x6cf}) r9 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) setsockopt$inet_buf(r1, 0x0, 0x0, &(0x7f0000000280), 0x0) close(r1) sendmsg$NFNL_MSG_ACCT_GET(r9, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x40, 0x1, 0x7, 0x5, 0x0, 0x0, {0x5, 0x0, 0x4}, [@NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0xb}, @NFACCT_PKTS={0xc, 0x2, 0x1, 0x0, 0x947}, @NFACCT_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFACCT_NAME={0x9, 0x1, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0xd418edaddc22122d}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000840)={&(0x7f00000009c0)=@bridge_getlink={0x28, 0x12, 0x101, 0x0, 0xffffffe0, {0x7, 0x0, 0x0, 0x0, 0x8448, 0x4000}, [@IFLA_EXT_MASK={0x8, 0x1d, 0xc3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4050}, 0x0) setitimer(0x2, &(0x7f0000000080)={{0x6, 0xfffffffffffffffb}, {0x0, 0xea60}}, 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r2}, 0x10) r3 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@RTM_NEWMDB={0x38, 0x54, 0x1e5, 0x0, 0x0, {0x7, r4}, [@MDBA_SET_ENTRY={0x20, 0x1, {r6, 0x1, 0x1, 0x2, {@in6_addr=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x86dd}}}]}, 0x38}}, 0x20044050) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000dc0)={0x44, &(0x7f0000000140)={0x40, 0x14, 0x3, "b6a4d5"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init single: successfully extracted reproducer found reproducer with 15 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}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_usb_control_io$uac1-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r2}, 0x10) r3 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@RTM_NEWMDB={0x38, 0x54, 0x1e5, 0x0, 0x0, {0x7, r4}, [@MDBA_SET_ENTRY={0x20, 0x1, {r6, 0x1, 0x1, 0x2, {@in6_addr=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x86dd}}}]}, 0x38}}, 0x20044050) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000dc0)={0x44, &(0x7f0000000140)={0x40, 0x14, 0x3, "b6a4d5"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_usb_control_io$uac1 detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r2}, 0x10) r3 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@RTM_NEWMDB={0x38, 0x54, 0x1e5, 0x0, 0x0, {0x7, r4}, [@MDBA_SET_ENTRY={0x20, 0x1, {r6, 0x1, 0x1, 0x2, {@in6_addr=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x86dd}}}]}, 0x38}}, 0x20044050) syz_usb_control_io$uac1(r0, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r2}, 0x10) r3 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@RTM_NEWMDB={0x38, 0x54, 0x1e5, 0x0, 0x0, {0x7, r4}, [@MDBA_SET_ENTRY={0x20, 0x1, {r6, 0x1, 0x1, 0x2, {@in6_addr=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x86dd}}}]}, 0x38}}, 0x20044050) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00'}) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX-socketpair$unix detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000480)) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) socket(0x200000000000011, 0x2, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route-bpf$PROG_LOAD detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f00000004c0)=ANY=[@ANYBLOB="180000000000000000000000000000008500000023000000850000005000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0xa, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io-socket$nl_route detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io-syz_usb_control_io$printer detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, 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_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB], 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init 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}}): syz_usb_connect 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:5 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000d00)=ANY=[@ANYBLOB="120100021982302013042360e5ec0102030109021b0001000060020904840001ee48b100090582"], 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_fh_init validation run: crashed=true reproducing took 1h18m53.790275289s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in v4l2_fh_init+0x27d/0x2c0 drivers/media/v4l2-core/v4l2-fh.c:25 Read of size 8 at addr ffff888078204738 by task v4l_id/6120 CPU: 1 UID: 0 PID: 6120 Comm: v4l_id Not tainted 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 v4l2_fh_init+0x27d/0x2c0 drivers/media/v4l2-core/v4l2-fh.c:25 v4l2_fh_open+0x83/0xc0 drivers/media/v4l2-core/v4l2-fh.c:63 em28xx_v4l2_open+0x24e/0x7e0 drivers/media/usb/em28xx/em28xx-video.c:2153 v4l2_open+0x222/0x490 drivers/media/v4l2-core/v4l2-dev.c:429 chrdev_open+0x234/0x6a0 fs/char_dev.c:414 do_dentry_open+0x744/0x1c10 fs/open.c:964 vfs_open+0x82/0x3f0 fs/open.c:1094 do_open fs/namei.c:3896 [inline] path_openat+0x1de4/0x2cb0 fs/namei.c:4055 do_filp_open+0x20b/0x470 fs/namei.c:4082 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8a70a7407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffdff0c5be0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff8a77de880 RCX: 00007ff8a70a7407 RDX: 0000000000000000 RSI: 00007ffdff0c6f1c RDI: ffffffffffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffdff0c5e30 R14: 00007ff8a7945000 R15: 000055ef36b444d8 Allocated by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] em28xx_v4l2_init+0x114/0x4080 drivers/media/usb/em28xx/em28xx-video.c:2532 em28xx_init_extension+0x137/0x200 drivers/media/usb/em28xx/em28xx-core.c:1117 request_module_async+0x61/0x70 drivers/media/usb/em28xx/em28xx-cards.c:3457 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2381 [inline] slab_free mm/slub.c:4643 [inline] kfree+0x2b4/0x4d0 mm/slub.c:4842 em28xx_free_v4l2 drivers/media/usb/em28xx/em28xx-video.c:2118 [inline] kref_put include/linux/kref.h:65 [inline] em28xx_v4l2_init+0x22b5/0x4080 drivers/media/usb/em28xx/em28xx-video.c:2901 em28xx_init_extension+0x137/0x200 drivers/media/usb/em28xx/em28xx-core.c:1117 request_module_async+0x61/0x70 drivers/media/usb/em28xx/em28xx-cards.c:3457 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888078204000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 1848 bytes inside of freed 8192-byte region [ffff888078204000, ffff888078206000) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78200 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 ffff88801b842280 ffffea0000c53600 0000000000000004 raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801b842280 ffffea0000c53600 0000000000000004 head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 head: 00fff00000000003 ffffea0001e08001 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 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5564, tgid 5564 (start-stop-daem), ts 37460852078, free_ts 37348168633 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1704 prep_new_page mm/page_alloc.c:1712 [inline] get_page_from_freelist+0x1321/0x3890 mm/page_alloc.c:3669 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:4959 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419 alloc_slab_page mm/slub.c:2451 [inline] allocate_slab mm/slub.c:2619 [inline] new_slab+0x23b/0x330 mm/slub.c:2673 ___slab_alloc+0xd9c/0x1940 mm/slub.c:3859 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3949 __slab_alloc_node mm/slub.c:4024 [inline] slab_alloc_node mm/slub.c:4185 [inline] __kmalloc_cache_noprof+0xfb/0x3e0 mm/slub.c:4354 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0xc8a/0x2140 security/tomoyo/audit.c:264 tomoyo_supervisor+0x302/0x13b0 security/tomoyo/common.c:2198 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x191/0x200 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0xec2/0x20b0 security/tomoyo/domain.c:888 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:102 [inline] tomoyo_bprm_check_security+0x12e/0x1d0 security/tomoyo/tomoyo.c:92 security_bprm_check+0x1b9/0x1e0 security/security.c:1302 search_binary_handler fs/exec.c:1655 [inline] exec_binprm fs/exec.c:1697 [inline] bprm_execve fs/exec.c:1749 [inline] bprm_execve+0x810/0x1650 fs/exec.c:1725 do_execveat_common.isra.0+0x4a5/0x610 fs/exec.c:1855 page last free pid 5562 tgid 5562 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706 discard_slab mm/slub.c:2717 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3186 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4204 getname_flags.part.0+0x4c/0x550 fs/namei.c:146 getname_flags+0x93/0xf0 include/linux/audit.h:322 getname include/linux/fs.h:2907 [inline] getname_maybe_null include/linux/fs.h:2914 [inline] getname_maybe_null include/linux/fs.h:2911 [inline] vfs_fstatat+0xe1/0xf0 fs/stat.c:370 __do_sys_newfstatat+0x97/0x120 fs/stat.c:542 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888078204600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078204680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888078204700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888078204780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078204800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in v4l2_fh_init+0x27d/0x2c0 drivers/media/v4l2-core/v4l2-fh.c:25 Read of size 8 at addr ffff888078204738 by task v4l_id/6120 CPU: 1 UID: 0 PID: 6120 Comm: v4l_id Not tainted 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 v4l2_fh_init+0x27d/0x2c0 drivers/media/v4l2-core/v4l2-fh.c:25 v4l2_fh_open+0x83/0xc0 drivers/media/v4l2-core/v4l2-fh.c:63 em28xx_v4l2_open+0x24e/0x7e0 drivers/media/usb/em28xx/em28xx-video.c:2153 v4l2_open+0x222/0x490 drivers/media/v4l2-core/v4l2-dev.c:429 chrdev_open+0x234/0x6a0 fs/char_dev.c:414 do_dentry_open+0x744/0x1c10 fs/open.c:964 vfs_open+0x82/0x3f0 fs/open.c:1094 do_open fs/namei.c:3896 [inline] path_openat+0x1de4/0x2cb0 fs/namei.c:4055 do_filp_open+0x20b/0x470 fs/namei.c:4082 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff8a70a7407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffdff0c5be0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff8a77de880 RCX: 00007ff8a70a7407 RDX: 0000000000000000 RSI: 00007ffdff0c6f1c RDI: ffffffffffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffdff0c5e30 R14: 00007ff8a7945000 R15: 000055ef36b444d8 Allocated by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] em28xx_v4l2_init+0x114/0x4080 drivers/media/usb/em28xx/em28xx-video.c:2532 em28xx_init_extension+0x137/0x200 drivers/media/usb/em28xx/em28xx-core.c:1117 request_module_async+0x61/0x70 drivers/media/usb/em28xx/em28xx-cards.c:3457 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2381 [inline] slab_free mm/slub.c:4643 [inline] kfree+0x2b4/0x4d0 mm/slub.c:4842 em28xx_free_v4l2 drivers/media/usb/em28xx/em28xx-video.c:2118 [inline] kref_put include/linux/kref.h:65 [inline] em28xx_v4l2_init+0x22b5/0x4080 drivers/media/usb/em28xx/em28xx-video.c:2901 em28xx_init_extension+0x137/0x200 drivers/media/usb/em28xx/em28xx-core.c:1117 request_module_async+0x61/0x70 drivers/media/usb/em28xx/em28xx-cards.c:3457 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888078204000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 1848 bytes inside of freed 8192-byte region [ffff888078204000, ffff888078206000) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78200 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 ffff88801b842280 ffffea0000c53600 0000000000000004 raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801b842280 ffffea0000c53600 0000000000000004 head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 head: 00fff00000000003 ffffea0001e08001 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 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5564, tgid 5564 (start-stop-daem), ts 37460852078, free_ts 37348168633 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1704 prep_new_page mm/page_alloc.c:1712 [inline] get_page_from_freelist+0x1321/0x3890 mm/page_alloc.c:3669 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:4959 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419 alloc_slab_page mm/slub.c:2451 [inline] allocate_slab mm/slub.c:2619 [inline] new_slab+0x23b/0x330 mm/slub.c:2673 ___slab_alloc+0xd9c/0x1940 mm/slub.c:3859 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3949 __slab_alloc_node mm/slub.c:4024 [inline] slab_alloc_node mm/slub.c:4185 [inline] __kmalloc_cache_noprof+0xfb/0x3e0 mm/slub.c:4354 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0xc8a/0x2140 security/tomoyo/audit.c:264 tomoyo_supervisor+0x302/0x13b0 security/tomoyo/common.c:2198 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x191/0x200 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0xec2/0x20b0 security/tomoyo/domain.c:888 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:102 [inline] tomoyo_bprm_check_security+0x12e/0x1d0 security/tomoyo/tomoyo.c:92 security_bprm_check+0x1b9/0x1e0 security/security.c:1302 search_binary_handler fs/exec.c:1655 [inline] exec_binprm fs/exec.c:1697 [inline] bprm_execve fs/exec.c:1749 [inline] bprm_execve+0x810/0x1650 fs/exec.c:1725 do_execveat_common.isra.0+0x4a5/0x610 fs/exec.c:1855 page last free pid 5562 tgid 5562 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706 discard_slab mm/slub.c:2717 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3186 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4204 getname_flags.part.0+0x4c/0x550 fs/namei.c:146 getname_flags+0x93/0xf0 include/linux/audit.h:322 getname include/linux/fs.h:2907 [inline] getname_maybe_null include/linux/fs.h:2914 [inline] getname_maybe_null include/linux/fs.h:2911 [inline] vfs_fstatat+0xe1/0xf0 fs/stat.c:370 __do_sys_newfstatat+0x97/0x120 fs/stat.c:542 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888078204600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078204680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888078204700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888078204780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078204800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================