last executing test programs: 4.163581619s ago: executing program 2 (id=3): r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi0\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1000009, 0x13, r0, 0x0) 3.992280182s ago: executing program 2 (id=10): gettid() r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_WAIT_VBLANK(r0, 0xc018643a, &(0x7f00000000c0)={0x4000001, 0x71, 0x200000009}) pread64(r0, 0x0, 0x20, 0xce2) syz_usb_connect(0x0, 0x24, 0x0, 0x0) syz_usb_connect$uac1(0x0, 0xfb, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000000000106b1d01014000010203010902e90003010000000904000000010100000a24010000000201020d240600fc03080005000000000c2402020101060800009e000c24020000000300feff0000092406000601020020092403060000000500092406050001"], 0x0) gettid() (async) syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) (async) ioctl$DRM_IOCTL_WAIT_VBLANK(r0, 0xc018643a, &(0x7f00000000c0)={0x4000001, 0x71, 0x200000009}) (async) pread64(r0, 0x0, 0x20, 0xce2) (async) syz_usb_connect(0x0, 0x24, 0x0, 0x0) (async) syz_usb_connect$uac1(0x0, 0xfb, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000000000106b1d01014000010203010902e90003010000000904000000010100000a24010000000201020d240600fc03080005000000000c2402020101060800009e000c24020000000300feff0000092406000601020020092403060000000500092406050001"], 0x0) (async) 3.812606209s ago: executing program 0 (id=1): r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @empty}, 0x1c) r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r2 = socket$kcm(0x2, 0xa, 0x2) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r3, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f0000002100)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a5c000000090a010400000000000000000a0000040900010073797a310000000008000540000000040900020073797a310000000008000a40fffffffc200011800e000100636f6e6e6c696d69740000000c00028008000140fffff27414000000110001"], 0x84}, 0x1, 0x0, 0x0, 0x4000850}, 0x40) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) write$tun(r1, &(0x7f0000000340)={@val={0xa}, @void, @eth={@multicast, @remote, @void, {@ipv6={0x86dd, @udp={0xd, 0x6, '\x00 \x00', 0x10, 0x11, 0xff, @empty, @mcast2, {[], {0x4f19, 0x4e20, 0x10, 0x0, @gue={{0x2, 0x0, 0x3, 0x5, 0x100}}}}}}}}}, 0x4a) 3.317911835s ago: executing program 0 (id=14): socket$inet6_sctp(0xa, 0x801, 0x84) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$igmp(0x2, 0x3, 0x2) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000340)={{0x2, 0x0, @broadcast}, {0x0, @link_local}, 0xa, {0x2, 0x800, @multicast2}, 'wg0\x00'}) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000a80)={{0x2, 0x4e21, @broadcast}, {0xfdfd, @random="5cf8274bdde8"}, 0x7b, {0x2, 0x4e22, @broadcast}, 'vxcan1\x00'}) 3.12006162s ago: executing program 0 (id=15): r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="9f01000083667d1040206402d14e0102030109021b000100000000090400000190f19c000905f3ed"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac1(r0, 0x0, &(0x7f0000000ec0)={0x44, &(0x7f0000000cc0)={0x0, 0x16, 0x1, "fc"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000180)={0x24, &(0x7f0000000040)={0x40, 0xd, 0x4f, {0x4f, 0x2, "2e5ad66f25c4482a37e7455c5235f66733ba116b3f133b3cf7d900f44d1d213dba2f4cfd96541af3764a68979d6e11082d7134afadb984f27915c1995dc555b99ff1b511fa6a49578357c25ada"}}, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44b}}, &(0x7f0000000100)={0x0, 0x22, 0x7, {[@main=@item_4={0x3, 0x0, 0xb, "155455b3"}, @local=@item_012={0x1, 0x2, 0x5, '~'}]}}, &(0x7f0000000140)={0x0, 0x21, 0x9, {0x9, 0x21, 0xcf5e, 0x9, 0x1, {0x22, 0x34b}}}}, &(0x7f00000003c0)={0x2c, &(0x7f00000001c0)={0x0, 0x7, 0x5d, "b0a745bb5a4aca9544f9455c56fd1b2a946854b80c9b912d844a52c6c9d9a396faebac3786e297c2372d086020e434f0218e3e424a4e5f7bbe3b8139f27b163c50c9141b8564030e17bac352ad10c05a7876ef2f8539c89cacfdad9bc8"}, &(0x7f0000000240)={0x0, 0xa, 0x1, 0x81}, &(0x7f0000000280)={0x0, 0x8, 0x1}, &(0x7f00000002c0)={0x20, 0x1, 0x81, "e5d57351b59e53d71310cb1f3532840b6cc102b075a49d277fdc5de15f70997e10da5d56bc216db67fd30a0520f7c5590af7ace7b7869f978e20bc5e9be14a5b9d03a6ae15512e877d5eac7406a5ba795e7003c73f6aae98fdb5651e6fd2f1834c0effd4daaf040cf528394d8910d1715a4ec3a500e91991c521558e7c578115be"}, &(0x7f0000000380)={0x20, 0x3, 0x1, 0x8}}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) 2.881540393s ago: executing program 2 (id=16): r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0xcf, 0x8b, 0xed, 0x20, 0xfd9, 0x25, 0x2940, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0xca, 0xfb, 0x1a}}]}}]}}, 0x0) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x10) sendmsg$NFT_BATCH(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)={{0x14}, [@NFT_MSG_NEWRULE={0x78, 0x6, 0xa, 0x401, 0x0, 0x0, {0x2, 0x0, 0xffff}, [@NFTA_RULE_EXPRESSIONS={0x4c, 0x4, 0x0, 0x1, [{0x48, 0x1, 0x0, 0x1, @inner={{0xa}, @val={0x38, 0x2, 0x0, 0x1, [@NFTA_INNER_TYPE={0x8, 0x2, 0x1, 0x0, 0x84}, @NFTA_INNER_FLAGS={0x8}, @NFTA_INNER_HDRSIZE={0x8, 0x4, 0x1, 0x0, 0xf}, @NFTA_INNER_NUM={0x8}, @NFTA_INNER_EXPR={0x14, 0x5, 0x0, 0x1, @meta={{0x9}, @val={0x4}}}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14}}, 0xa0}}, 0x0) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) fsetxattr(r3, &(0x7f0000000040)=@known='system.sockprotoname\x00', 0x0, 0x0, 0x3) ioctl$SIOCSIFMTU(r1, 0x8949, &(0x7f0000000040)={'bond0\x00', 0x1000}) syz_usb_control_io$uac1(r0, 0x0, &(0x7f0000000580)={0x44, &(0x7f0000000700)=ANY=[@ANYBLOB="201101"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_SMBUS(r4, 0x720, &(0x7f0000000200)={0x1, 0x7, 0x7, &(0x7f00000002c0)={0x18, "c6c1f7b51030c4b7c54bf28facb1ed3ee2dfe10100000000000000b94bce47509d"}}) 1.578240274s ago: executing program 1 (id=26): mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0xb, 0x59032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x80801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000100)={&(0x7f0000800000/0x800000)=nil, &(0x7f0000339000/0x1000)=nil, 0x800000}) (fail_nth: 4) 1.369337455s ago: executing program 1 (id=27): r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(r0, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, &(0x7f0000000080)="67400f07c40249af4b8bb9800000c00f3235010200000f300f20a366450f769e00000100440f20c03588001d00445b66baf80cb88cf4b684ef66bafc0ced460f01c9c4827d24c366ba4cf0ff07ef87f345a57a43e16806a4", 0x58}], 0x1, 0x7c, 0x0, 0x0) keyctl$restrict_keyring(0xa, 0x0, 0x0, &(0x7f0000000000)='i\xacl*c\x822') syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB], 0xf8) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f0000000100), 0x10) 1.273903172s ago: executing program 1 (id=28): r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$kcm(0x2, 0xa, 0x2) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r2, 0x0, 0x40) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) write$tun(r0, &(0x7f0000000340)={@val={0xa}, @void, @eth={@multicast, @remote, @void, {@ipv6={0x86dd, @udp={0xd, 0x6, '\x00 \x00', 0x10, 0x11, 0xff, @empty, @mcast2, {[], {0x4f19, 0x4e20, 0x10, 0x0, @gue={{0x2, 0x0, 0x3, 0x5, 0x100}}}}}}}}}, 0x4a) 1.109939777s ago: executing program 2 (id=29): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(0xffffffffffffffff, 0x40000000af01, 0x0) ioctl$VHOST_SET_MEM_TABLE(r2, 0x4008af03, &(0x7f0000000700)) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x2a) ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r5, 0x4068aea3, &(0x7f00000001c0)={0xa8, 0x0, 0x1}) ioctl$KVM_CAP_X86_USER_SPACE_MSR(r4, 0x4068aea3, &(0x7f0000000440)={0xbc, 0x0, 0x6}) r6 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, &(0x7f0000000000)={0x1, r6}) r7 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) ioctl$KVM_CAP_ENFORCE_PV_FEATURE_CPUID(r8, 0x4068aea3, &(0x7f00000000c0)={0xbe, 0x0, 0x1ffffd}) ioctl$KVM_SET_MSRS(r8, 0x4008ae89, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000000000000074d564b"]) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x1c0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./file1/file4\x00', 0x1c0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file1/file4/file6\x00', 0x1c0) r9 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$bt_hci(r9, &(0x7f0000000080)={0x1f, 0xffff, 0x3}, 0x6) setsockopt$sock_int(r1, 0x1, 0x27, &(0x7f0000000040)=0x20, 0x4) write$binfmt_misc(r9, &(0x7f0000000300), 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./file1/file4/file7\x00', 0x1c0) r10 = landlock_create_ruleset(&(0x7f00000002c0)={0x2040, 0x1, 0x2}, 0x18, 0x0) r11 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file1/file4/file7\x00', 0x0, 0x50) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r10, 0x1, &(0x7f0000000340)={0x2000, r11}, 0x0) landlock_restrict_self(r10, 0x0) renameat2(0xffffffffffffff9c, &(0x7f0000000580)='./file1/file4/file6\x00', 0xffffffffffffff9c, &(0x7f00000005c0)='./file1/file4/file7/file6\x00', 0x0) syz_usb_connect(0x0, 0x24, &(0x7f0000000740)=ANY=[@ANYBLOB="12011fa80b340317b03303173b83cc99770a2900abbe6740e9174e8b089c000000010902120001000000000907000000ff", @ANYRES16=r10, @ANYBLOB="ab7060789eae8b99f4054bedec6555239c674bba5a50a6f29f6f6915e916fdad2c1b5af9ac8cf3fac01321a69ae90c16f2d04e94c2a9f2978ec0790f9e367c2d3f5eceb6ec34c20babd531f47988d8a1fe33ddbb4cba92ae8af146593919d5756ccdcc645c82e04990c945b76e6a8c7a6b8441c7f560af2e35b0b2f0c5bed331c4", @ANYRES32=r3, @ANYRESHEX, @ANYRESOCT=r8], 0x0) 1.013314447s ago: executing program 3 (id=30): mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1000, 0x10008) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) r3 = openat$fuse(0xffffffffffffff9c, &(0x7f00000003c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r3, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r3, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x4000, &(0x7f0000000400)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@cache_fscache}]}}) 1.007722322s ago: executing program 1 (id=31): openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB, @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000000040)={0x50, 0x0, r1, {0x7, 0x1f, 0xe0000000, 0x5e4b0422, 0x3, 0xffff, 0x5, 0x9, 0x0, 0x0, 0x80, 0x80000001}}, 0x50) syz_fuse_handle_req(r0, &(0x7f000000e3c0)="000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000dc4e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ba045abcd5dfc67d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001354c4b600", 0x2000, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20c01, 0x0) ioctl$IOMMU_VFIO_IOAS$GET(r2, 0x3b88, &(0x7f0000000400)={0xc}) 927.204437ms ago: executing program 3 (id=32): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_i', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000002140)={0x2020, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000440)={0x90, 0x0, 0xfffffffffffffffe, {0x2, 0x0, 0x0, 0xa6, 0x4000, 0x3, {0x3, 0x100000000000, 0x1, 0x0, 0x40200, 0x6, 0x0, 0x1, 0x1, 0x6000, 0x0, 0x0, 0x0, 0x800}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000001240)={0x50, 0x0, r1, {0x7, 0x2b, 0xfff, 0x83120, 0x3, 0x107, 0x1ff, 0x9, 0x0, 0x0, 0x0, 0x8}}, 0x50) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a80)='./file0/file0\x00', 0x0, 0x0) ioctl(r2, 0x2285, &(0x7f0000000000)) 864.876216ms ago: executing program 1 (id=33): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) prctl$PR_SET_SECCOMP(0x16, 0x1, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x8, 0x9) sendmsg$MPTCP_PM_CMD_GET_LIMITS(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYRES16], 0xc4}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000002) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000013c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000001340)={&(0x7f0000000000)=ANY=[@ANYBLOB="f4060000", @ANYRES16=r1, @ANYBLOB="01000000000000e14f003b00000008000300", @ANYRES32=r2, @ANYBLOB="d506330080000000ffffffffffff080211000001"], 0x6f4}}, 0x0) 794.541259ms ago: executing program 3 (id=34): r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) getsockopt$WPAN_SECURITY(r0, 0x0, 0x1, 0x0, &(0x7f0000000040)) r1 = socket$netlink(0x10, 0x3, 0xb) bind$netlink(r1, &(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc) close(r1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) r3 = timerfd_create(0x2, 0x80800) r4 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCEXCL(r4, 0x540c) timerfd_settime(r3, 0x3, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) timerfd_settime(r3, 0x2, &(0x7f0000000200)={{0x0, 0x989680}}, 0x0) sendmsg$NFT_BATCH(r2, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000040)={&(0x7f0000001280)=ANY=[@ANYBLOB="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"], 0x2f0}, 0x1, 0x0, 0x0, 0x1}, 0x10000040) r5 = socket$kcm(0x10, 0x2, 0x4) execveat(0xffffffffffffffff, &(0x7f0000000000)='./file2\x00', 0x0, 0x0, 0x1000) sendmsg$inet(r5, &(0x7f0000000540)={0x0, 0xc027, &(0x7f0000000340)=[{&(0x7f00000000c0)="97eb000014006bcd9e", 0xeb97}], 0x1, 0x0, 0x0, 0x1f000000}, 0x600) r6 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r6, 0x8933, &(0x7f0000000400)={'wlan0\x00'}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xbd) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x0) mount$bind(&(0x7f0000000100)='.\x00', &(0x7f0000000280)='./file1/file0\x00', 0x0, 0x128050, 0x0) mount$overlay(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000480), 0x10013, &(0x7f00000004c0)={[{@metacopy_on}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@redirect_dir_off}]}) r7 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)="89000000120081ae08060cdc030000007f03e3f7000000006ee2ffca1b1f0000000004c00e72f750375ed08a56331dbf9ed7815e381ad6e747033a0093b837dc6cc01e32efaec8c7a6ec0012100001400a0c0c00bdad446b9bbc7a46e3988285dcdf12f21308f868fece01955fed0009d78f0a947ee2b49e33538afa8af92347514f0b56a20ff27fff", 0x89}], 0x1}, 0x80) 719.759328ms ago: executing program 3 (id=35): r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @empty}, 0x1c) r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r2 = socket$kcm(0x2, 0xa, 0x2) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r3, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f0000002100)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a5c000000090a010400000000000000000a0000040900010073797a310000000008000540000000040900020073797a310000000008000a40fffffffc200011800e000100636f6e6e6c696d69740000000c00028008000140fffff27414000000110001"], 0x84}, 0x1, 0x0, 0x0, 0x4000850}, 0x40) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) write$tun(r1, &(0x7f0000000340)={@val={0xa}, @void, @eth={@multicast, @remote, @void, {@ipv6={0x86dd, @udp={0xd, 0x6, '\x00 \x00', 0x10, 0x11, 0xff, @empty, @mcast2, {[], {0x4f19, 0x4e20, 0x10, 0x0, @gue={{0x2, 0x0, 0x3, 0x5, 0x100}}}}}}}}}, 0x4a) 600.814349ms ago: executing program 3 (id=36): r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(r0, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, &(0x7f0000000080)="67400f07c40249af4b8bb9800000c00f3235010200000f300f20a366450f769e00000100440f20c03588001d00445b66baf80cb88cf4b684ef66bafc0ced460f01c9c4827d24c366ba4cf0ff07ef87f345a57a43e16806a4", 0x58}], 0x1, 0x7c, 0x0, 0x0) keyctl$restrict_keyring(0xa, 0x0, 0x0, &(0x7f0000000000)='i\xacl*c\x822') syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB], 0xf8) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, &(0x7f0000000100), 0x10) 520.969763ms ago: executing program 3 (id=37): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x482, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000000)={0x7, 0xd, 0x0, 0xffdffffc, 0x6, "00001000"}) write$binfmt_aout(r0, &(0x7f0000000400)=ANY=[], 0xff2e) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x83, "00000000000000000000ffff00"}) r1 = getpid() newfstatat(0xffffffffffffff9c, &(0x7f0000000080)='.\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x4000) setresuid(r2, r2, 0x0) r3 = syz_pidfd_open(r1, 0x0) setns(r3, 0x24020000) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000080)={0x0, 0xfffffffd, 0x0, 0x6, 0x1, "e315bc1cc24ff7b7cdb242e1ff0aa6905446b3"}) r4 = syz_open_pts(r0, 0x0) r5 = dup3(r4, r0, 0x0) read$watch_queue(r5, &(0x7f0000000340)=""/133, 0x85) 28.535831ms ago: executing program 0 (id=38): r0 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000200)={0x1, 0x7, 0x7, &(0x7f00000002c0)={0x18, "c6c1f7b51030c4b7c54bf28facb1ed3ee2dfe10100000000000000b94bce47509d"}}) 0s ago: executing program 1 (id=39): r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$kcm(0x2, 0xa, 0x2) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r2, 0x0, 0x40) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) write$tun(r0, &(0x7f0000000340)={@val={0xa}, @void, @eth={@multicast, @remote, @void, {@ipv6={0x86dd, @udp={0xd, 0x6, '\x00 \x00', 0x10, 0x11, 0xff, @empty, @mcast2, {[], {0x4f19, 0x4e20, 0x10, 0x0, @gue={{0x2, 0x0, 0x3, 0x5, 0x100}}}}}}}}}, 0x4a) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.140' (ED25519) to the list of known hosts. [ 80.308086][ T5850] cgroup: Unknown subsys name 'net' [ 80.439227][ T5850] cgroup: Unknown subsys name 'cpuset' [ 80.448699][ T5850] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 82.154417][ T5850] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 85.906601][ T5861] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.915025][ T5861] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.923286][ T5861] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.933730][ T5861] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.941486][ T5861] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.010264][ T5182] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 86.021052][ T5867] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 86.029906][ T5867] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 86.062288][ T5872] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 86.070317][ T5872] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 86.077950][ T5872] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 86.085615][ T5868] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 86.086187][ T5872] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 86.094731][ T5868] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 86.101480][ T5872] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 86.114793][ T5872] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 86.130100][ T5872] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 86.138079][ T5872] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 86.156327][ T5874] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 86.176175][ T5872] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 86.680232][ T5859] chnl_net:caif_netlink_parms(): no params data found [ 86.748736][ T5865] chnl_net:caif_netlink_parms(): no params data found [ 86.850130][ T5870] chnl_net:caif_netlink_parms(): no params data found [ 86.869166][ T5863] chnl_net:caif_netlink_parms(): no params data found [ 87.148895][ T5859] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.156420][ T5859] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.164058][ T5859] bridge_slave_0: entered allmulticast mode [ 87.171336][ T5859] bridge_slave_0: entered promiscuous mode [ 87.221401][ T5870] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.228744][ T5870] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.236320][ T5870] bridge_slave_0: entered allmulticast mode [ 87.244568][ T5870] bridge_slave_0: entered promiscuous mode [ 87.251997][ T5859] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.259582][ T5859] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.267640][ T5859] bridge_slave_1: entered allmulticast mode [ 87.275423][ T5859] bridge_slave_1: entered promiscuous mode [ 87.283174][ T5865] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.290298][ T5865] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.297939][ T5865] bridge_slave_0: entered allmulticast mode [ 87.305342][ T5865] bridge_slave_0: entered promiscuous mode [ 87.313767][ T5865] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.320888][ T5865] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.328278][ T5865] bridge_slave_1: entered allmulticast mode [ 87.337467][ T5865] bridge_slave_1: entered promiscuous mode [ 87.361706][ T5870] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.368980][ T5870] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.376864][ T5870] bridge_slave_1: entered allmulticast mode [ 87.384494][ T5870] bridge_slave_1: entered promiscuous mode [ 87.469224][ T5863] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.476678][ T5863] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.484482][ T5863] bridge_slave_0: entered allmulticast mode [ 87.491824][ T5863] bridge_slave_0: entered promiscuous mode [ 87.515341][ T5859] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.527089][ T5865] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.537006][ T5863] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.544869][ T5863] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.552037][ T5863] bridge_slave_1: entered allmulticast mode [ 87.559489][ T5863] bridge_slave_1: entered promiscuous mode [ 87.568744][ T5870] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.581955][ T5870] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.593709][ T5859] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.618287][ T5865] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.706266][ T5870] team0: Port device team_slave_0 added [ 87.714315][ T5859] team0: Port device team_slave_0 added [ 87.722079][ T5870] team0: Port device team_slave_1 added [ 87.744921][ T5863] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.757314][ T5863] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.780395][ T5859] team0: Port device team_slave_1 added [ 87.801338][ T5865] team0: Port device team_slave_0 added [ 87.850816][ T5865] team0: Port device team_slave_1 added [ 87.872014][ T5870] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.879571][ T5870] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 87.906114][ T5870] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.919129][ T5859] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.926227][ T5859] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 87.952457][ T5859] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.963708][ T5872] Bluetooth: hci0: command tx timeout [ 87.984244][ T5863] team0: Port device team_slave_0 added [ 88.005256][ T5870] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.012234][ T5870] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.039411][ T5870] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.051325][ T5859] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.058394][ T5859] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.085544][ T5859] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.098584][ T5863] team0: Port device team_slave_1 added [ 88.117294][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.124531][ T5865] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.151276][ T5865] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.188212][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.195522][ T5865] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.222283][ T5872] Bluetooth: hci2: command tx timeout [ 88.227785][ T5867] Bluetooth: hci3: command tx timeout [ 88.228075][ T5865] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.233730][ T5861] Bluetooth: hci1: command tx timeout [ 88.259239][ T5863] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.266262][ T5863] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.292250][ T5863] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.305721][ T5863] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.312787][ T5863] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 88.338862][ T5863] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.383921][ T5865] hsr_slave_0: entered promiscuous mode [ 88.390280][ T5865] hsr_slave_1: entered promiscuous mode [ 88.448962][ T5870] hsr_slave_0: entered promiscuous mode [ 88.456480][ T5870] hsr_slave_1: entered promiscuous mode [ 88.462900][ T5870] debugfs: 'hsr0' already exists in 'hsr' [ 88.468796][ T5870] Cannot create hsr debugfs directory [ 88.493180][ T5859] hsr_slave_0: entered promiscuous mode [ 88.499839][ T5859] hsr_slave_1: entered promiscuous mode [ 88.506250][ T5859] debugfs: 'hsr0' already exists in 'hsr' [ 88.512014][ T5859] Cannot create hsr debugfs directory [ 88.643830][ T5863] hsr_slave_0: entered promiscuous mode [ 88.650131][ T5863] hsr_slave_1: entered promiscuous mode [ 88.656572][ T5863] debugfs: 'hsr0' already exists in 'hsr' [ 88.662305][ T5863] Cannot create hsr debugfs directory [ 89.058364][ T5865] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 89.071923][ T5865] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 89.085633][ T5865] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 89.106346][ T5865] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 89.161730][ T5870] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 89.173808][ T5870] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 89.186108][ T5870] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 89.203905][ T5870] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 89.288890][ T5863] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 89.300426][ T5863] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 89.317027][ T5863] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 89.329416][ T5863] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 89.422259][ T5859] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.433711][ T5859] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.446579][ T5859] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.468315][ T5859] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.601086][ T5870] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.616051][ T5865] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.667124][ T5870] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.679185][ T5865] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.710564][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.718215][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.731092][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.738238][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.767271][ T1340] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.774465][ T1340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.784908][ T1340] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.792021][ T1340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.808865][ T5863] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.839184][ T5859] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.904984][ T5863] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.931227][ T5859] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.960554][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.967819][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.982594][ T1340] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.989767][ T1340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.032743][ T1340] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.039917][ T1340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.049162][ T5861] Bluetooth: hci0: command tx timeout [ 90.059326][ T1340] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.066602][ T1340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.283824][ T5861] Bluetooth: hci1: command tx timeout [ 90.289298][ T5861] Bluetooth: hci2: command tx timeout [ 90.295521][ T5867] Bluetooth: hci3: command tx timeout [ 90.472383][ T5865] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.511532][ T5870] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.591804][ T5865] veth0_vlan: entered promiscuous mode [ 90.646839][ T5865] veth1_vlan: entered promiscuous mode [ 90.708142][ T5870] veth0_vlan: entered promiscuous mode [ 90.775457][ T5865] veth0_macvtap: entered promiscuous mode [ 90.789191][ T5865] veth1_macvtap: entered promiscuous mode [ 90.808360][ T5859] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.819650][ T5870] veth1_vlan: entered promiscuous mode [ 90.836815][ T5863] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.867180][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.881793][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.909175][ T36] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.930341][ T36] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.940191][ T36] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.964630][ T36] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.086025][ T5863] veth0_vlan: entered promiscuous mode [ 91.092055][ T5859] veth0_vlan: entered promiscuous mode [ 91.100021][ T5870] veth0_macvtap: entered promiscuous mode [ 91.134117][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.134932][ T5863] veth1_vlan: entered promiscuous mode [ 91.142745][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.151229][ T5859] veth1_vlan: entered promiscuous mode [ 91.176867][ T5870] veth1_macvtap: entered promiscuous mode [ 91.227781][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.231245][ T5870] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.237339][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.288911][ T5870] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.302208][ T5859] veth0_macvtap: entered promiscuous mode [ 91.313977][ T5863] veth0_macvtap: entered promiscuous mode [ 91.331518][ T5859] veth1_macvtap: entered promiscuous mode [ 91.357979][ T1322] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.369594][ T1322] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.373867][ T5865] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 91.408131][ T5863] veth1_macvtap: entered promiscuous mode [ 91.438813][ T1322] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.462386][ T5859] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.477250][ T1322] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.508509][ T5859] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.526366][ T5863] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.562178][ T5863] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.577277][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.586346][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.630760][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.650337][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.688253][ T3010] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.698748][ T3010] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.711059][ T36] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.730676][ T36] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.754223][ T36] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.769560][ T36] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.894688][ T980] cfg80211: failed to load regulatory.db [ 91.942957][ T3010] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.950839][ T3010] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.036261][ T5960] FAULT_INJECTION: forcing a failure. [ 92.036261][ T5960] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 92.050757][ T3010] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.063017][ T5960] CPU: 1 UID: 0 PID: 5960 Comm: syz.3.8 Not tainted syzkaller #0 PREEMPT(full) [ 92.063042][ T5960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 92.063063][ T5960] Call Trace: [ 92.063071][ T5960] [ 92.063079][ T5960] dump_stack_lvl+0x189/0x250 [ 92.063123][ T5960] ? __pfx____ratelimit+0x10/0x10 [ 92.063151][ T5960] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.063181][ T5960] ? __pfx__printk+0x10/0x10 [ 92.063224][ T5960] should_fail_ex+0x414/0x560 [ 92.063253][ T5960] _copy_to_user+0x31/0xb0 [ 92.063273][ T5960] simple_read_from_buffer+0xe1/0x170 [ 92.063304][ T5960] proc_fail_nth_read+0x1b3/0x220 [ 92.063339][ T5960] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 92.063374][ T5960] ? rw_verify_area+0x2a6/0x4d0 [ 92.063394][ T5960] ? __lock_acquire+0xab9/0xd20 [ 92.063412][ T5960] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 92.063445][ T5960] vfs_read+0x200/0xa30 [ 92.063466][ T5960] ? fdget_pos+0x247/0x320 [ 92.063496][ T5960] ? __pfx___mutex_lock+0x10/0x10 [ 92.063527][ T5960] ? __pfx_vfs_read+0x10/0x10 [ 92.063551][ T5960] ? __fget_files+0x2a/0x420 [ 92.063581][ T5960] ? __fget_files+0x3a0/0x420 [ 92.063617][ T5960] ? __fget_files+0x2a/0x420 [ 92.063651][ T5960] ksys_read+0x145/0x250 [ 92.063688][ T5960] ? __fget_files+0x2a/0x420 [ 92.063712][ T5960] ? __pfx_ksys_read+0x10/0x10 [ 92.063736][ T5960] ? do_syscall_64+0xbe/0xfa0 [ 92.063766][ T5960] do_syscall_64+0xfa/0xfa0 [ 92.063789][ T5960] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.063814][ T5960] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.063832][ T5960] ? clear_bhb_loop+0x60/0xb0 [ 92.063854][ T5960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.063871][ T5960] RIP: 0033:0x7f5212b8d5bc [ 92.063891][ T5960] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48 [ 92.063906][ T5960] RSP: 002b:00007f521399f030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 92.063931][ T5960] RAX: ffffffffffffffda RBX: 00007f5212dd5fa0 RCX: 00007f5212b8d5bc [ 92.063944][ T5960] RDX: 000000000000000f RSI: 00007f521399f0a0 RDI: 0000000000000006 [ 92.063955][ T5960] RBP: 00007f521399f090 R08: 0000000000000000 R09: 0000000000000000 [ 92.063966][ T5960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 92.063975][ T5960] R13: 00007f5212dd6038 R14: 00007f5212dd5fa0 R15: 00007ffd110892e8 [ 92.064006][ T5960] [ 92.064511][ T3010] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.152848][ T5861] Bluetooth: hci0: command tx timeout [ 92.182325][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.367654][ T5861] Bluetooth: hci1: command tx timeout [ 92.376600][ T5861] Bluetooth: hci2: command tx timeout [ 92.383460][ T5861] Bluetooth: hci3: command tx timeout [ 92.418624][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.471311][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.488048][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.525377][ T3010] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.546046][ T3010] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.810714][ T5972] syz.0.1 uses obsolete (PF_INET,SOCK_PACKET) [ 92.886767][ T5977] FAULT_INJECTION: forcing a failure. [ 92.886767][ T5977] name failslab, interval 1, probability 0, space 0, times 0 [ 92.902036][ T5977] CPU: 0 UID: 0 PID: 5977 Comm: syz.3.12 Not tainted syzkaller #0 PREEMPT(full) [ 92.902055][ T5977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 92.902064][ T5977] Call Trace: [ 92.902070][ T5977] [ 92.902078][ T5977] dump_stack_lvl+0x189/0x250 [ 92.902115][ T5977] ? __pfx____ratelimit+0x10/0x10 [ 92.902142][ T5977] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.902171][ T5977] ? __pfx__printk+0x10/0x10 [ 92.902198][ T5977] ? __pfx___might_resched+0x10/0x10 [ 92.902218][ T5977] should_fail_ex+0x414/0x560 [ 92.902237][ T5977] should_failslab+0xa8/0x100 [ 92.902254][ T5977] __kmalloc_cache_noprof+0x6f/0x6f0 [ 92.902269][ T5977] ? get_sg_table+0x79/0x410 [ 92.902288][ T5977] get_sg_table+0x79/0x410 [ 92.902310][ T5977] begin_cpu_udmabuf+0x12e/0x1d0 [ 92.902328][ T5977] dma_buf_begin_cpu_access+0xe0/0x170 [ 92.902359][ T5977] dma_buf_ioctl+0x5c1/0x880 [ 92.902390][ T5977] ? __pfx_dma_buf_ioctl+0x10/0x10 [ 92.902449][ T5977] ? __fget_files+0x2a/0x420 [ 92.902481][ T5977] ? __fget_files+0x3a0/0x420 [ 92.902506][ T5977] ? __fget_files+0x2a/0x420 [ 92.902534][ T5977] ? bpf_lsm_file_ioctl+0x9/0x20 [ 92.902559][ T5977] ? __pfx_dma_buf_ioctl+0x10/0x10 [ 92.902580][ T5977] __se_sys_ioctl+0xfc/0x170 [ 92.902603][ T5977] do_syscall_64+0xfa/0xfa0 [ 92.902623][ T5977] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.902643][ T5977] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.902665][ T5977] ? clear_bhb_loop+0x60/0xb0 [ 92.902689][ T5977] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.902708][ T5977] RIP: 0033:0x7f5212b8eba9 [ 92.902725][ T5977] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 92.902740][ T5977] RSP: 002b:00007f521399f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.902761][ T5977] RAX: ffffffffffffffda RBX: 00007f5212dd5fa0 RCX: 00007f5212b8eba9 [ 92.902775][ T5977] RDX: 0000200000000440 RSI: 0000000040086200 RDI: 0000000000000005 [ 92.902786][ T5977] RBP: 00007f521399f090 R08: 0000000000000000 R09: 0000000000000000 [ 92.902798][ T5977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 92.902808][ T5977] R13: 00007f5212dd6038 R14: 00007f5212dd5fa0 R15: 00007ffd110892e8 [ 92.902841][ T5977] [ 92.963598][ T5906] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 93.162196][ T5979] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 93.238758][ T5981] process 'syz.3.13' launched '/dev/fd/7/./file0' with NULL argv: empty string added [ 93.264440][ T5979] Invalid ELF header len 16 [ 93.269763][ T5979] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 93.277344][ T5979] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 93.287431][ T5979] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 93.295015][ T5979] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 93.303295][ T5906] usb 3-1: Using ep0 maxpacket: 16 [ 93.314161][ T5906] usb 3-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 93.325499][ T5906] usb 3-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 93.339839][ T5906] usb 3-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 93.349482][ T5906] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 93.360359][ T5906] usb 3-1: Product: syz [ 93.374171][ T5906] usb 3-1: Manufacturer: syz [ 93.378843][ T5906] usb 3-1: SerialNumber: syz [ 93.621900][ T5906] usb 3-1: 0:2 : does not exist [ 93.693395][ T10] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 93.748975][ T5906] usb 3-1: USB disconnect, device number 2 [ 93.791144][ T5973] udevd[5973]: error opening ATTR{/sys/devices/platform/dummy_hcd.2/usb3/3-1/3-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 93.870265][ T10] usb 1-1: Using ep0 maxpacket: 16 [ 93.880408][ T30] audit: type=1326 audit(1757489882.995:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5998 comm="syz.1.19" exe="/root/syz-executor" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f066158eba9 code=0x0 [ 93.887884][ T10] usb 1-1: config 0 interface 0 altsetting 0 has an endpoint descriptor with address 0xF3, changing to 0x83 [ 93.919124][ T10] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 93.934337][ T10] usb 1-1: New USB device found, idVendor=2040, idProduct=0264, bcdDevice=4e.d1 [ 93.944765][ T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 93.953737][ T10] usb 1-1: Product: syz [ 93.957946][ T10] usb 1-1: Manufacturer: syz [ 93.962554][ T10] usb 1-1: SerialNumber: syz [ 93.981370][ T6002] fuse: Unknown parameter 'fd0x0000000000000006' [ 93.983557][ T10] usb 1-1: config 0 descriptor?? [ 94.003476][ T10] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (2040:0264, interface 0, class 0) [ 94.013799][ T10] em28xx 1-1:0.0: Audio interface 0 found (Vendor Class) [ 94.092830][ T5906] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 94.097506][ T6004] fuse: Bad value for 'fd' [ 94.161336][ T6006] overlayfs: conflicting options: metacopy=on,redirect_dir=follow [ 94.203282][ T5867] Bluetooth: hci0: command tx timeout [ 94.251231][ T6008] fuse: Unknown parameter 'user_i00000000000000000000' [ 94.263899][ T5906] usb 3-1: Using ep0 maxpacket: 32 [ 94.274448][ T5906] usb 3-1: New USB device found, idVendor=0fd9, idProduct=0025, bcdDevice=29.40 [ 94.283948][ T5906] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.298433][ T5906] usb 3-1: config 0 descriptor?? [ 94.442843][ T5867] Bluetooth: hci3: command tx timeout [ 94.443225][ T5861] Bluetooth: hci2: command tx timeout [ 94.448344][ T5867] Bluetooth: hci1: command tx timeout [ 94.559741][ T5906] dvb-usb: found a 'Elgato EyeTV Sat' in warm state. [ 94.574901][ T5906] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [ 94.585608][ T5906] dvbdev: DVB: registering new adapter (Elgato EyeTV Sat) [ 94.593626][ T5906] usb 3-1: media controller created [ 94.601247][ T10] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 94.612266][ T10] em28xx 1-1:0.0: Config register raw data: 0xfffffffb [ 94.625354][ T5906] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 94.772036][ T5906] az6027: usb out operation failed. (-71) [ 94.791730][ T5906] az6027: usb out operation failed. (-71) [ 94.798192][ T5906] stb0899_attach: Driver disabled by Kconfig [ 94.805392][ T5906] az6027: no front-end attached [ 94.805392][ T5906] [ 94.814798][ T5906] az6027: usb out operation failed. (-71) [ 94.820602][ T5906] dvb-usb: no frontend was attached by 'Elgato EyeTV Sat' [ 94.837308][ T5906] input: IR-receiver inside an USB DVB receiver as /devices/platform/dummy_hcd.2/usb3/3-1/input/input5 [ 94.857697][ T5906] dvb-usb: schedule remote query interval to 400 msecs. [ 94.864881][ T5906] dvb-usb: Elgato EyeTV Sat successfully initialized and connected. [ 94.888701][ T5906] usb 3-1: USB disconnect, device number 3 [ 94.997665][ T6015] FAULT_INJECTION: forcing a failure. [ 94.997665][ T6015] name failslab, interval 1, probability 0, space 0, times 0 [ 95.005997][ T5906] dvb-usb: Elgato EyeTV Sat successfully deinitialized and disconnected. [ 95.019268][ T6015] CPU: 0 UID: 0 PID: 6015 Comm: syz.1.26 Not tainted syzkaller #0 PREEMPT(full) [ 95.019294][ T6015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 95.019306][ T6015] Call Trace: [ 95.019314][ T6015] [ 95.019322][ T6015] dump_stack_lvl+0x189/0x250 [ 95.019361][ T6015] ? __pfx____ratelimit+0x10/0x10 [ 95.019388][ T6015] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.019417][ T6015] ? __pfx__printk+0x10/0x10 [ 95.019454][ T6015] ? __pfx___might_resched+0x10/0x10 [ 95.019480][ T6015] ? fs_reclaim_acquire+0x7d/0x100 [ 95.019515][ T6015] should_fail_ex+0x414/0x560 [ 95.019545][ T6015] should_failslab+0xa8/0x100 [ 95.019574][ T6015] kmem_cache_alloc_noprof+0x74/0x6e0 [ 95.019610][ T6015] ? __anon_vma_prepare+0xcb/0x4a0 [ 95.019639][ T6015] __anon_vma_prepare+0xcb/0x4a0 [ 95.019669][ T6015] uffd_lock_vma+0x1f4/0x2e0 [ 95.019699][ T6015] uffd_mfill_lock+0x23/0x1a0 [ 95.019727][ T6015] mfill_atomic_copy+0x185/0x1390 [ 95.019770][ T6015] ? __pfx_mfill_atomic_copy+0x10/0x10 [ 95.019809][ T6015] userfaultfd_ioctl+0x2a01/0x4c80 [ 95.019843][ T6015] ? tomoyo_path_number_perm+0x47a/0x5a0 [ 95.019887][ T6015] ? security_file_ioctl+0xcb/0x2d0 [ 95.019909][ T6015] ? __se_sys_ioctl+0x47/0x170 [ 95.019929][ T6015] ? do_syscall_64+0xfa/0xfa0 [ 95.019960][ T6015] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.019989][ T6015] ? __pfx_userfaultfd_ioctl+0x10/0x10 [ 95.020054][ T6015] ? kasan_quarantine_put+0xdd/0x220 [ 95.020075][ T6015] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.020118][ T6015] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 95.020151][ T6015] ? do_vfs_ioctl+0xbe8/0x1430 [ 95.020171][ T6015] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 95.020236][ T6015] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 95.020306][ T6015] ? __fget_files+0x2a/0x420 [ 95.020341][ T6015] ? __fget_files+0x3a0/0x420 [ 95.020369][ T6015] ? __fget_files+0x2a/0x420 [ 95.020413][ T6015] ? bpf_lsm_file_ioctl+0x9/0x20 [ 95.020446][ T6015] ? __pfx_userfaultfd_ioctl+0x10/0x10 [ 95.020472][ T6015] __se_sys_ioctl+0xfc/0x170 [ 95.020496][ T6015] do_syscall_64+0xfa/0xfa0 [ 95.020526][ T6015] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.020555][ T6015] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.020576][ T6015] ? clear_bhb_loop+0x60/0xb0 [ 95.020602][ T6015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.020624][ T6015] RIP: 0033:0x7f066158eba9 [ 95.020644][ T6015] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 95.020661][ T6015] RSP: 002b:00007f066246d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.020684][ T6015] RAX: ffffffffffffffda RBX: 00007f06617d5fa0 RCX: 00007f066158eba9 [ 95.020700][ T6015] RDX: 0000200000000100 RSI: 00000000c028aa03 RDI: 0000000000000003 [ 95.020714][ T6015] RBP: 00007f066246d090 R08: 0000000000000000 R09: 0000000000000000 [ 95.020727][ T6015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 95.020740][ T6015] R13: 00007f06617d6038 R14: 00007f06617d5fa0 R15: 00007ffe8fb3af78 [ 95.020775][ T6015] [ 95.029585][ T10] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 95.351620][ T10] em28xx 1-1:0.0: No AC97 audio processor [ 95.571502][ T6026] fuse: Bad value for 'fd' [ 95.640348][ T30] audit: type=1326 audit(1757489884.745:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=6027 comm="syz.1.33" exe="/root/syz-executor" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f066158eba9 code=0x0 [ 95.661684][ C1] vkms_vblank_simulate: vblank timer overrun [ 95.679699][ T6030] fuse: Unknown parameter 'user_i00000000000000000000' [ 95.702863][ T9] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 95.748497][ T6034] overlayfs: conflicting options: metacopy=on,redirect_dir=follow [ 95.833850][ T9] usb 3-1: device descriptor read/64, error -71 [ 96.072819][ T9] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 96.204046][ T9] usb 3-1: device descriptor read/64, error -71 [ 96.314931][ T9] usb usb3-port1: attempt power cycle [ 96.469046][ T5906] usb 1-1: USB disconnect, device number 2 [ 96.485461][ T5906] em28xx 1-1:0.0: Disconnecting em28xx [ 96.514545][ T5906] ================================================================== [ 96.522664][ T5906] BUG: KASAN: slab-use-after-free in media_devnode_unregister+0xe2/0xf0 [ 96.531030][ T5906] Read of size 4 at addr ffff8880300904f0 by task kworker/1:4/5906 [ 96.538952][ T5906] [ 96.541302][ T5906] CPU: 1 UID: 0 PID: 5906 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT(full) [ 96.541324][ T5906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 96.541336][ T5906] Workqueue: usb_hub_wq hub_event [ 96.541365][ T5906] Call Trace: [ 96.541373][ T5906] [ 96.541380][ T5906] dump_stack_lvl+0x189/0x250 [ 96.541408][ T5906] ? rcu_is_watching+0x15/0xb0 [ 96.541426][ T5906] ? __kasan_check_byte+0x12/0x40 [ 96.541445][ T5906] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.541468][ T5906] ? rcu_is_watching+0x15/0xb0 [ 96.541491][ T5906] ? lock_release+0x4b/0x3e0 [ 96.541509][ T5906] ? __virt_addr_valid+0x1c8/0x5c0 [ 96.541533][ T5906] ? __virt_addr_valid+0x4a5/0x5c0 [ 96.541557][ T5906] print_report+0xca/0x240 [ 96.541574][ T5906] ? media_devnode_unregister+0xe2/0xf0 [ 96.541593][ T5906] kasan_report+0x118/0x150 [ 96.541611][ T5906] ? media_devnode_unregister+0xe2/0xf0 [ 96.541634][ T5906] media_devnode_unregister+0xe2/0xf0 [ 96.541653][ T5906] media_device_unregister+0x37c/0x400 [ 96.541673][ T5906] ? em28xx_audio_fini+0x59/0x1b0 [ 96.541693][ T5906] em28xx_release_resources+0xac/0x240 [ 96.541717][ T5906] em28xx_usb_disconnect+0x19f/0x2f0 [ 96.541741][ T5906] usb_unbind_interface+0x26e/0x910 [ 96.541761][ T5906] ? __pfx_usb_unbind_interface+0x10/0x10 [ 96.541778][ T5906] device_release_driver_internal+0x4d6/0x800 [ 96.541801][ T5906] bus_remove_device+0x34d/0x410 [ 96.541828][ T5906] device_del+0x511/0x8e0 [ 96.541848][ T5906] ? __pfx_device_del+0x10/0x10 [ 96.541865][ T5906] ? kobject_put+0x446/0x480 [ 96.541892][ T5906] usb_disable_device+0x3e9/0x8a0 [ 96.541910][ T5906] usb_disconnect+0x330/0x950 [ 96.541936][ T5906] hub_event+0x1cf5/0x4a20 [ 96.541961][ T5906] ? do_raw_spin_lock+0x121/0x290 [ 96.541984][ T5906] ? register_lock_class+0x51/0x320 [ 96.542006][ T5906] ? __pfx_hub_event+0x10/0x10 [ 96.542021][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 96.542042][ T5906] ? _raw_spin_unlock_irq+0x23/0x50 [ 96.542068][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 96.542085][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 96.542104][ T5906] process_scheduled_works+0xae1/0x17b0 [ 96.542134][ T5906] ? __pfx_process_scheduled_works+0x10/0x10 [ 96.542160][ T5906] worker_thread+0x8a0/0xda0 [ 96.542180][ T5906] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 96.542204][ T5906] ? __kthread_parkme+0x7b/0x200 [ 96.542227][ T5906] kthread+0x711/0x8a0 [ 96.542250][ T5906] ? __pfx_worker_thread+0x10/0x10 [ 96.542269][ T5906] ? __pfx_kthread+0x10/0x10 [ 96.542291][ T5906] ? _raw_spin_unlock_irq+0x23/0x50 [ 96.542312][ T5906] ? lockdep_hardirqs_on+0x9c/0x150 [ 96.542333][ T5906] ? __pfx_kthread+0x10/0x10 [ 96.542355][ T5906] ret_from_fork+0x47c/0x820 [ 96.542373][ T5906] ? __pfx_ret_from_fork+0x10/0x10 [ 96.542398][ T5906] ? __switch_to_asm+0x39/0x70 [ 96.542414][ T5906] ? __switch_to_asm+0x33/0x70 [ 96.542446][ T5906] ? __pfx_kthread+0x10/0x10 [ 96.542468][ T5906] ret_from_fork_asm+0x1a/0x30 [ 96.542492][ T5906] [ 96.542499][ T5906] [ 96.835789][ T5906] Allocated by task 10: [ 96.839938][ T5906] kasan_save_track+0x3e/0x80 [ 96.844619][ T5906] __kasan_kmalloc+0x93/0xb0 [ 96.849209][ T5906] __kmalloc_cache_noprof+0x3d5/0x6f0 [ 96.854580][ T5906] __media_device_register+0x58/0x280 [ 96.859962][ T5906] em28xx_usb_probe+0x1764/0x2a20 [ 96.864988][ T5906] usb_probe_interface+0x665/0xc30 [ 96.870103][ T5906] really_probe+0x26a/0x9e0 [ 96.874607][ T5906] __driver_probe_device+0x18c/0x2f0 [ 96.879890][ T5906] driver_probe_device+0x4f/0x430 [ 96.884916][ T5906] __device_attach_driver+0x2ce/0x530 [ 96.890304][ T5906] bus_for_each_drv+0x251/0x2e0 [ 96.895168][ T5906] __device_attach+0x2b8/0x400 [ 96.899947][ T5906] bus_probe_device+0x185/0x260 [ 96.904803][ T5906] device_add+0x7b6/0xb50 [ 96.909137][ T5906] usb_set_configuration+0x1a87/0x20e0 [ 96.914598][ T5906] usb_generic_driver_probe+0x8d/0x150 [ 96.920062][ T5906] usb_probe_device+0x1c1/0x390 [ 96.924917][ T5906] really_probe+0x26a/0x9e0 [ 96.929428][ T5906] __driver_probe_device+0x18c/0x2f0 [ 96.934714][ T5906] driver_probe_device+0x4f/0x430 [ 96.939748][ T5906] __device_attach_driver+0x2ce/0x530 [ 96.945122][ T5906] bus_for_each_drv+0x251/0x2e0 [ 96.949981][ T5906] __device_attach+0x2b8/0x400 [ 96.954750][ T5906] bus_probe_device+0x185/0x260 [ 96.959612][ T5906] device_add+0x7b6/0xb50 [ 96.963943][ T5906] usb_new_device+0xa39/0x16f0 [ 96.968714][ T5906] hub_event+0x2958/0x4a20 [ 96.973130][ T5906] process_scheduled_works+0xae1/0x17b0 [ 96.978677][ T5906] worker_thread+0x8a0/0xda0 [ 96.983271][ T5906] kthread+0x711/0x8a0 [ 96.987351][ T5906] ret_from_fork+0x47c/0x820 [ 96.991943][ T5906] ret_from_fork_asm+0x1a/0x30 [ 96.996714][ T5906] [ 96.999042][ T5906] Freed by task 5906: [ 97.003019][ T5906] kasan_save_track+0x3e/0x80 [ 97.007722][ T5906] __kasan_save_free_info+0x46/0x50 [ 97.012954][ T5906] __kasan_slab_free+0x5b/0x80 [ 97.017728][ T5906] kfree+0x199/0x6d0 [ 97.021632][ T5906] media_devnode_release+0x61/0xa0 [ 97.026752][ T5906] device_release+0x9c/0x1c0 [ 97.031349][ T5906] kobject_put+0x228/0x480 [ 97.035774][ T5906] media_devnode_unregister+0x6d/0xf0 [ 97.041157][ T5906] media_device_unregister+0x37c/0x400 [ 97.046643][ T5906] em28xx_release_resources+0xac/0x240 [ 97.052110][ T5906] em28xx_usb_disconnect+0x19f/0x2f0 [ 97.057408][ T5906] usb_unbind_interface+0x26e/0x910 [ 97.062620][ T5906] device_release_driver_internal+0x4d6/0x800 [ 97.068690][ T5906] bus_remove_device+0x34d/0x410 [ 97.073653][ T5906] device_del+0x511/0x8e0 [ 97.077998][ T5906] usb_disable_device+0x3e9/0x8a0 [ 97.083036][ T5906] usb_disconnect+0x330/0x950 [ 97.087733][ T5906] hub_event+0x1cf5/0x4a20 [ 97.092164][ T5906] process_scheduled_works+0xae1/0x17b0 [ 97.097727][ T5906] worker_thread+0x8a0/0xda0 [ 97.102329][ T5906] kthread+0x711/0x8a0 [ 97.106415][ T5906] ret_from_fork+0x47c/0x820 [ 97.111018][ T5906] ret_from_fork_asm+0x1a/0x30 [ 97.115789][ T5906] [ 97.118116][ T5906] The buggy address belongs to the object at ffff888030090000 [ 97.118116][ T5906] which belongs to the cache kmalloc-2k of size 2048 [ 97.132293][ T5906] The buggy address is located 1264 bytes inside of [ 97.132293][ T5906] freed 2048-byte region [ffff888030090000, ffff888030090800) [ 97.146272][ T5906] [ 97.148614][ T5906] The buggy address belongs to the physical page: [ 97.155032][ T5906] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30090 [ 97.163799][ T5906] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 97.172304][ T5906] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 97.179851][ T5906] page_type: f5(slab) [ 97.183859][ T5906] raw: 00fff00000000040 ffff88801a842000 dead000000000122 0000000000000000 [ 97.192453][ T5906] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 97.201063][ T5906] head: 00fff00000000040 ffff88801a842000 dead000000000122 0000000000000000 [ 97.209751][ T5906] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 97.218436][ T5906] head: 00fff00000000003 ffffea0000c02401 00000000ffffffff 00000000ffffffff [ 97.227118][ T5906] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 97.235799][ T5906] page dumped because: kasan: bad access detected [ 97.242220][ T5906] page_owner tracks the page as allocated [ 97.247937][ T5906] 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 95357857072, free_ts 95025111778 [ 97.268882][ T5906] post_alloc_hook+0x240/0x2a0 [ 97.273675][ T5906] get_page_from_freelist+0x21e4/0x22c0 [ 97.279233][ T5906] __alloc_frozen_pages_noprof+0x181/0x370 [ 97.285056][ T5906] alloc_pages_mpol+0x232/0x4a0 [ 97.289916][ T5906] allocate_slab+0x8a/0x330 [ 97.294436][ T5906] ___slab_alloc+0xbd1/0x13f0 [ 97.299138][ T5906] __slab_alloc+0x55/0xa0 [ 97.303480][ T5906] __kmalloc_cache_noprof+0x411/0x6f0 [ 97.308870][ T5906] __media_device_register+0x58/0x280 [ 97.314250][ T5906] em28xx_usb_probe+0x1764/0x2a20 [ 97.319291][ T5906] usb_probe_interface+0x665/0xc30 [ 97.324409][ T5906] really_probe+0x26a/0x9e0 [ 97.328918][ T5906] __driver_probe_device+0x18c/0x2f0 [ 97.334209][ T5906] driver_probe_device+0x4f/0x430 [ 97.339239][ T5906] __device_attach_driver+0x2ce/0x530 [ 97.344620][ T5906] bus_for_each_drv+0x251/0x2e0 [ 97.349477][ T5906] page last free pid 6014 tgid 6014 stack trace: [ 97.355801][ T5906] __free_frozen_pages+0xbc4/0xd30 [ 97.360916][ T5906] __put_partials+0x146/0x170 [ 97.365598][ T5906] put_cpu_partial+0x17c/0x250 [ 97.370364][ T5906] __slab_free+0x2b9/0x390 [ 97.374786][ T5906] qlist_free_all+0x97/0x140 [ 97.379374][ T5906] kasan_quarantine_reduce+0x148/0x160 [ 97.384840][ T5906] __kasan_slab_alloc+0x22/0x80 [ 97.389710][ T5906] kmem_cache_alloc_noprof+0x367/0x6e0 [ 97.395213][ T5906] taskstats_exit+0x14a/0xa30 [ 97.399894][ T5906] do_exit+0x630/0x2300 [ 97.404057][ T5906] do_group_exit+0x21c/0x2d0 [ 97.408659][ T5906] __x64_sys_exit_group+0x3f/0x40 [ 97.413699][ T5906] x64_sys_call+0x21f7/0x2200 [ 97.418383][ T5906] do_syscall_64+0xfa/0xfa0 [ 97.422901][ T5906] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.428799][ T5906] [ 97.431119][ T5906] Memory state around the buggy address: [ 97.436750][ T5906] ffff888030090380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 97.444809][ T5906] ffff888030090400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 97.452889][ T5906] >ffff888030090480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 97.460954][ T5906] ^ [ 97.468674][ T5906] ffff888030090500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 97.476736][ T5906] ffff888030090580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 97.484806][ T5906] ================================================================== [ 97.492938][ C1] vkms_vblank_simulate: vblank timer overrun [ 97.588117][ T5906] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 97.595368][ T5906] CPU: 1 UID: 0 PID: 5906 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT(full) [ 97.604859][ T5906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 97.614936][ T5906] Workqueue: usb_hub_wq hub_event [ 97.619996][ T5906] Call Trace: [ 97.623305][ T5906] [ 97.626267][ T5906] dump_stack_lvl+0x99/0x250 [ 97.630915][ T5906] ? __asan_memcpy+0x40/0x70 [ 97.635543][ T5906] ? __pfx_dump_stack_lvl+0x10/0x10 [ 97.640770][ T5906] ? __pfx__printk+0x10/0x10 [ 97.645403][ T5906] vpanic+0x237/0x6d0 [ 97.649415][ T5906] ? __pfx_vpanic+0x10/0x10 [ 97.653945][ T5906] ? preempt_schedule+0xae/0xc0 [ 97.658845][ T5906] ? __pfx_preempt_schedule+0x10/0x10 [ 97.664257][ T5906] panic+0xb9/0xc0 [ 97.668010][ T5906] ? __pfx_panic+0x10/0x10 [ 97.672480][ T5906] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 97.678411][ T5906] ? media_devnode_unregister+0xe2/0xf0 [ 97.683975][ T5906] check_panic_on_warn+0x89/0xb0 [ 97.688941][ T5906] ? media_devnode_unregister+0xe2/0xf0 [ 97.694491][ T5906] end_report+0x78/0x160 [ 97.698736][ T5906] kasan_report+0x129/0x150 [ 97.703246][ T5906] ? media_devnode_unregister+0xe2/0xf0 [ 97.708821][ T5906] media_devnode_unregister+0xe2/0xf0 [ 97.714200][ T5906] media_device_unregister+0x37c/0x400 [ 97.719682][ T5906] ? em28xx_audio_fini+0x59/0x1b0 [ 97.724718][ T5906] em28xx_release_resources+0xac/0x240 [ 97.730209][ T5906] em28xx_usb_disconnect+0x19f/0x2f0 [ 97.735538][ T5906] usb_unbind_interface+0x26e/0x910 [ 97.740743][ T5906] ? __pfx_usb_unbind_interface+0x10/0x10 [ 97.746467][ T5906] device_release_driver_internal+0x4d6/0x800 [ 97.752540][ T5906] bus_remove_device+0x34d/0x410 [ 97.757490][ T5906] device_del+0x511/0x8e0 [ 97.761830][ T5906] ? __pfx_device_del+0x10/0x10 [ 97.766694][ T5906] ? kobject_put+0x446/0x480 [ 97.771296][ T5906] usb_disable_device+0x3e9/0x8a0 [ 97.776343][ T5906] usb_disconnect+0x330/0x950 [ 97.781035][ T5906] hub_event+0x1cf5/0x4a20 [ 97.785498][ T5906] ? do_raw_spin_lock+0x121/0x290 [ 97.790530][ T5906] ? register_lock_class+0x51/0x320 [ 97.795740][ T5906] ? __pfx_hub_event+0x10/0x10 [ 97.800507][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 97.806238][ T5906] ? _raw_spin_unlock_irq+0x23/0x50 [ 97.811482][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 97.817203][ T5906] ? process_scheduled_works+0x9ef/0x17b0 [ 97.822935][ T5906] process_scheduled_works+0xae1/0x17b0 [ 97.828498][ T5906] ? __pfx_process_scheduled_works+0x10/0x10 [ 97.834483][ T5906] worker_thread+0x8a0/0xda0 [ 97.839073][ T5906] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 97.845403][ T5906] ? __kthread_parkme+0x7b/0x200 [ 97.850358][ T5906] kthread+0x711/0x8a0 [ 97.854448][ T5906] ? __pfx_worker_thread+0x10/0x10 [ 97.859557][ T5906] ? __pfx_kthread+0x10/0x10 [ 97.864164][ T5906] ? _raw_spin_unlock_irq+0x23/0x50 [ 97.869371][ T5906] ? lockdep_hardirqs_on+0x9c/0x150 [ 97.874576][ T5906] ? __pfx_kthread+0x10/0x10 [ 97.879204][ T5906] ret_from_fork+0x47c/0x820 [ 97.883814][ T5906] ? __pfx_ret_from_fork+0x10/0x10 [ 97.888934][ T5906] ? __switch_to_asm+0x39/0x70 [ 97.893712][ T5906] ? __switch_to_asm+0x33/0x70 [ 97.898493][ T5906] ? __pfx_kthread+0x10/0x10 [ 97.903152][ T5906] ret_from_fork_asm+0x1a/0x30 [ 97.907936][ T5906] [ 97.911343][ T5906] Kernel Offset: disabled [ 97.915671][ T5906] Rebooting in 86400 seconds..