last executing test programs: 3.513624021s ago: executing program 1 (id=311): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000380)='./file0\x00', &(0x7f00000003c0), 0x10000, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) syz_fuse_handle_req(r0, &(0x7f0000001280), 0x2000, &(0x7f0000003280)={&(0x7f0000003340)={0x50, 0x0, 0x4, {0x7, 0x29, 0x7, 0x300, 0x1000, 0x0, 0x563, 0x58, 0x0, 0x0, 0x6, 0x8}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchmodat(0xffffffffffffff9c, &(0x7f00000033c0)='./file0\x00', 0x2) syz_fuse_handle_req(r0, &(0x7f0000003480)="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0x2000, &(0x7f0000005480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000005540)={0x78, 0x0, 0x100000000, {0x20000, 0xcbfb, 0x0, {0x5, 0x0, 0x48b, 0xa, 0x400000000000007, 0xd, 0xfff7ffff, 0x6, 0x101, 0x4000, 0xffff1854, 0xffffffffffffffff, 0x0, 0x3, 0x1}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 3.438405029s ago: executing program 1 (id=316): r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=@updpolicy={0xb8, 0x19, 0x1, 0x70bd26, 0x0, {{@in=@multicast1=0xe0000002, @in, 0x0, 0x1, 0xfffd, 0x0, 0xa, 0x0, 0x0, 0x87}, {0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x20000000007, 0xfffffffffffffffb}, {0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x2}}, 0xb8}}, 0x10) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in6=@ipv4={'\x00', '\xff\xff', @remote}, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x87}, {0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0xfffffffffffffffb}, {0xffffffffffffff9a, 0x0, 0x200000000000000}}}, 0xb8}}, 0x2c000010) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x87}, {0x0, 0x0, 0x0, 0xaf, 0x0, 0x0, 0x5, 0xfffffffffffffffb}, {0x0, 0x40000000000000, 0x200000000000000}, 0x2}}, 0xb8}, 0x1, 0x0, 0x0, 0x4000015}, 0x2c000010) 3.42840399s ago: executing program 1 (id=317): r0 = syz_ublk_setup_io_uring(0x1d, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x2a8}, &(0x7f0000000100)=0x0, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0) syz_ublk_add_dev(r0, r1, r2, r3, &(0x7f00000004c0)={0x2e, 0x64, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000440)=@any_dev={0x4, 0xf7f, 0x0, 0x0, 0x1000, 0x6, 0x0, 0x0, 0x20}}}, &(0x7f0000000300)=0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = dup(r6) syz_ublk_setup_queues(r7, r5, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x3, 0x255}, &(0x7f0000000800)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0x7ffffe, 0x20, 0x1000000, 0x10000002, 0x0, r0}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xfffffffc, 0x0, 0x0, 0x146, 0x0, r7}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x1f70, 0x40, 0x0, 0x35c, 0x0, r0}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x0, 0x1000, 0x3, 0xffffffff}}], 0x1, &(0x7f0000000340)={0x2e, 0x44, 0x0, r7, 0xc0107520, 0x0, 0x0, 0x0, 0x0, {}, 0x0, r4, '\x00', {0x1, 0x5, 0x0, 0x0}}, 0x0) setsockopt$inet_group_source_req(r7, 0x0, 0x2c, &(0x7f0000000340)={0x2, {{0x2, 0x4e22, @broadcast}}, {{0x2, 0x4e32, @rand_addr=0x74010102}}}, 0x108) 3.237254349s ago: executing program 1 (id=322): mkdir(&(0x7f0000000080)='./dev\x00', 0x0) mount(0x0, &(0x7f00000000c0)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x2000800, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./dev/sda\x00', 0x1c5e42, 0x0) mlock(&(0x7f0000400000/0xc00000)=nil, 0xc00000) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) write$P9_RUNLINKAT(r0, &(0x7f0000000180)={0xfffffffffffffecb, 0x4d, 0x1}, 0xffffffd7) 3.014584072s ago: executing program 1 (id=331): r0 = syz_create_resource$futex(&(0x7f0000000380)=0x1) r1 = syz_create_resource$futex(&(0x7f00000003c0)) futex(r0, 0xb, 0x1, 0x0, r1, 0x0) r2 = syz_create_resource$futex(&(0x7f0000000000)=0x2) futex(r0, 0xb, 0x1, 0x0, r2, 0x2) futex(r0, 0xc, 0x1, &(0x7f0000000440)={0x0, 0x3938700}, r1, 0x1) 2.892390735s ago: executing program 1 (id=332): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./proc\x00', &(0x7f0000000540)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='10', 0x2) openat(0xffffffffffffffff, 0x0, 0x200, 0x4) unshare(0x62020680) 2.873243017s ago: executing program 32 (id=332): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./proc\x00', &(0x7f0000000540)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='10', 0x2) openat(0xffffffffffffffff, 0x0, 0x200, 0x4) unshare(0x62020680) 2.183918837s ago: executing program 4 (id=354): r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r1, 0x107, 0xf, &(0x7f0000000100)=0x9, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'wg0\x00', 0x0}) sendto$packet(r1, &(0x7f00000002c0)="1a0405000000000000000188031c09", 0xf, 0x4000004, &(0x7f00000001c0)={0x11, 0x0, r2, 0x1, 0x6, 0x6, @remote}, 0x14) 2.15169237s ago: executing program 4 (id=357): mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x61) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) r2 = dup(r1) close(0x5) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000001040), 0x4, &(0x7f0000000000)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) 2.129625453s ago: executing program 4 (id=359): r0 = syz_usb_connect$hid(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x40, 0x46d, 0xc294, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0xe0, 0x20, "", [{{0x9, 0x4, 0x0, 0x15, 0x2, 0x3, 0x0, 0x4, 0x0, {0x9, 0x21, 0x1001, 0xb, 0x1, {0x22, 0x6}}, {{{0x9, 0x5, 0x81, 0x3, 0x10, 0x7d, 0x5, 0x9}}}}}]}}]}}, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000080)={0x24, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x22, 0x6, {[@main=@item_012={0x2, 0x0, 0x9, "06f5"}, @global=@item_012={0x2, 0x1, 0x4, 'PJ'}]}}, 0x0}, 0x0) fcntl$addseals(0xffffffffffffffff, 0x409, 0x7) fsmount(0xffffffffffffffff, 0x0, 0x0) 975.5838ms ago: executing program 0 (id=380): rt_sigprocmask(0x2, &(0x7f0000002400)={[0xfffffbfd]}, 0x0, 0x8) r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) tkill(r0, 0x7) wait4(r0, 0x0, 0x0, 0x0) tgkill(r0, r0, 0x8) 810.306647ms ago: executing program 0 (id=389): setns(0xc9, 0x0) r0 = socket$netlink(0x10, 0x3, 0x10) rt_sigtimedwait(0x0, 0x0, 0x0, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010300000ae6f72087a003"], 0x3c}}, 0x80) recvmmsg(r0, &(0x7f0000003040)=[{{0x0, 0x0, &(0x7f0000000500)=[{&(0x7f00000007c0)=""/4112, 0x1010}, {&(0x7f0000000400)=""/194, 0xc2}], 0x2}, 0xb}], 0x1, 0x140, 0x0) 801.492228ms ago: executing program 0 (id=390): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, &(0x7f0000000080)="b8010000000f01c1640f01590db8010000000f01c136f26d0f01c348b820ed0000000000000f23c80f21f8350c0030000f23f8460f01c32e26670f7900c744240056690000c74424020b000000c7442406000000000f011c24440f20c0350e000000440f22c0", 0x66}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 771.298301ms ago: executing program 3 (id=392): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$KVM_IRQFD(0xffffffffffffffff, 0x4020ae76, &(0x7f0000000140)={0xffffffffffffffff, 0xc9, 0x3}) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f0000000140)={0x4, 0xffffffffffffffff, 0x1}) ioctl$KVM_GET_DEVICE_ATTR(r2, 0x8004b707, 0x0) 710.270007ms ago: executing program 3 (id=393): setresgid(0xee00, 0x0, 0x0) mknodat$null(0xffffffffffffff9c, &(0x7f0000002600)='./file0\x00', 0x0, 0x103) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002640), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000002680)='./file0\x00', &(0x7f00000026c0), 0x0, &(0x7f0000002700)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) statx(0xffffffffffffff9c, &(0x7f0000002780)='./file0\x00', 0x0, 0x800, 0x0) 700.439218ms ago: executing program 3 (id=394): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000840)={0x2, 0x0, @ioapic={0x0, 0x2, 0x10001, 0xfffffffd, 0x0, [{0x2, 0x2, 0x87, '\x00', 0x8}, {0x9, 0x8, 0x2, '\x00', 0xa}, {0xff, 0xff, 0xd3, '\x00', 0x67}, {0x0, 0x2, 0xf5, '\x00', 0xf}, {0x9, 0x89, 0xc, '\x00', 0xfb}, {0x0, 0x9, 0x54, '\x00', 0xff}, {0x71, 0xd5, 0xf1, '\x00', 0x7f}, {0x3, 0x80, 0x1, '\x00', 0x8}, {0x7f, 0x5, 0xb, '\x00', 0x8}, {0xd7, 0xd, 0x8, '\x00', 0xa}, {0x0, 0x28, 0x7, '\x00', 0xdc}, {0x40, 0x1, 0x5, '\x00', 0x2}, {0xfe, 0x3, 0x3}, {0xcf, 0xfa, 0xb, '\x00', 0x5}, {0xf, 0x6, 0x5, '\x00', 0x10}, {0x39, 0x2, 0x6, '\x00', 0x8}, {0x9, 0x6, 0x2, '\x00', 0x8}, {0x5, 0x7, 0x5, '\x00', 0xc}, {0x7, 0x1, 0x7}, {0x0, 0x80, 0x1, '\x00', 0x81}, {0x1, 0x9, 0x80, '\x00', 0x7f}, {0x10, 0x3, 0x3, '\x00', 0x10}, {0x0, 0x23, 0xf3, '\x00', 0x4}, {0x7, 0x6, 0x4, '\x00', 0x8}]}}) 683.83126ms ago: executing program 0 (id=395): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f00000000c0)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) writev(r0, &(0x7f0000000100)=[{&(0x7f0000000140)="2e1221b23bb601c493d3df163e75963d86dd606712e9000d2f8db0049d90491c3248040000dbb8a100", 0x29}, {&(0x7f0000000180)="8bcceb216f624c06f5ff84087509000000006558f2", 0x15}], 0x2) 609.188588ms ago: executing program 0 (id=396): r0 = getpgid(0x0) r1 = landlock_create_ruleset(&(0x7f0000000080)={0x2832, 0x0, 0x2}, 0x18, 0x0) syz_clone3(&(0x7f0000000180)={0x800000, 0x0, 0x0, 0x0, {0x19}, 0x0, 0x0, 0x0, 0x0}, 0x58) landlock_restrict_self(r1, 0x0) r2 = syz_pidfd_open(r0, 0x0) pidfd_send_signal(r2, 0x21, 0x0, 0x4) 608.780448ms ago: executing program 0 (id=397): r0 = syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000640)=ANY=[@ANYBLOB="1201000000030020f003176c400000000001090224725100000000090400001207010300090501020000000000090582020002"], 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000680)={0x34, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x20, 0x0, 0xffffff75, 0x10}}) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) pread64(r1, 0x0, 0x0, 0x4000) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000700)={0x1, &(0x7f0000003f80)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) close_range(r2, 0xffffffffffffffff, 0x0) 608.360028ms ago: executing program 3 (id=398): socket$packet(0x11, 0x2, 0x300) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x48241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$unix(0x1, 0x3, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f00000000c0)={'syzkaller1\x00', 0x1}) write$tun(r0, &(0x7f0000000140)={@val={0x70}, @void, @eth={@broadcast, @remote, @val={@val={0x88a8, 0x0, 0x0, 0x3}, {0x8100, 0x5, 0x1, 0x2}}, {@mpls_uc={0x8847, {[], @llc={@llc={0x42, 0x4e, "b4"}}}}}}}, 0x1d) 544.315664ms ago: executing program 2 (id=400): mknodat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x21c0, 0x103) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x1004002, &(0x7f0000000340)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}}) getxattr(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)=@known='system.posix_acl_default\x00', 0x0, 0x0) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000740)={0x1, &(0x7f0000000780)=[{0x6, 0x9, 0x0, 0x7fff8000}]}) close_range(r1, 0xffffffffffffffff, 0x0) 543.984004ms ago: executing program 3 (id=401): r0 = gettid() timer_create(0x2, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) writev(0xffffffffffffffff, 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) clock_nanosleep(0x2, 0x0, &(0x7f0000000040)={0x0, 0x989680}, 0x0) syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0) 527.341266ms ago: executing program 2 (id=402): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x6e22, 0x9, @empty, 0x6}, 0x1c) listen(r0, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='bridge0\x00', 0x10) r1 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$TCPDIAG_GETSOCK(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000003c0)=ANY=[@ANYBLOB="540000001200010000000000000000000a0304006e22"], 0x54}}, 0x20044010) 518.935407ms ago: executing program 2 (id=403): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/memory.limit_in_bytes\x00', 0xc02, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000700), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) close(r2) mount$overlay(0x0, 0x0, 0x0, 0x8, 0x0) write(r0, &(0x7f0000000040)='4', 0x1) 439.066055ms ago: executing program 3 (id=404): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0xc201}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) write$tun(r0, &(0x7f0000000100)={@val={0x8, 0x800}, @val={0x5, 0x0, 0x0, 0x0, 0x14, 0xa}, @ipv4=@tcp={{0x6, 0x4, 0x2, 0x1a, 0x2c, 0x64, 0x0, 0xb, 0x6, 0x0, @rand_addr=0x64010100, @local, {[@rr={0x7, 0x3, 0x5d}]}}, {{0x4e20, 0x4e24, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x10, 0x105, 0x0, 0xffff}}}}, 0x3a) 438.444545ms ago: executing program 4 (id=405): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000440)={0x0, 0xfffffffc, 0xffdffff8, 0xffffffff, 0x8, "ff000000000000000000000000000200"}) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x13) ioctl$TCSETA(r1, 0x5406, &(0x7f0000000380)={0xfffe, 0x81, 0x8, 0x4, 0x6, "af68fa15b1a8111a"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000001c0)=0xa) 384.284611ms ago: executing program 4 (id=406): mkdir(&(0x7f0000000ac0)='./file0\x00', 0x25) mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0) mkdir(&(0x7f0000000380)='./bus\x00', 0x13e) mount$incfs(&(0x7f00000003c0)='.\x00', &(0x7f0000000400)='./bus\x00', &(0x7f0000000440), 0xc002, 0x0) chdir(&(0x7f0000000480)='./bus\x00') rename(&(0x7f00000004c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f00000005c0)='./file0\x00') 363.261013ms ago: executing program 4 (id=407): r0 = socket(0x10, 0x3, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000540)='/proc/locks\x00', 0x0, 0x0) read$FUSE(r1, &(0x7f0000000580)={0x2020}, 0x1) r2 = open(&(0x7f00000025c0)='./file0\x00', 0x1607c0, 0x78e22799f4a46ffe) fcntl$setlease(r2, 0x400, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 298.506919ms ago: executing program 2 (id=408): r0 = syz_ublk_setup_io_uring(0x7501, &(0x7f0000000840)={0x0, 0xba29, 0x2, 0x2, 0x29c}, &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)) r1 = syz_ublk_setup_io_uring(0x1d, &(0x7f0000000980)={0x0, 0x1ae7, 0x0, 0x2, 0x151, 0x0, r0}, &(0x7f0000000a00)=0x0, &(0x7f0000000a40)=0x0, &(0x7f0000000a80)=0x0) syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000ac0)={0x2e, 0x14, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000b40)=@any_dev={0x4, 0xe26, 0x0, 0x0, 0x1000, 0x10000, 0xffffffffffffffff, 0x0, 0x45}}}, &(0x7f0000000b80)=0x0) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = dup(r7) syz_ublk_setup_queues(r8, r6, &(0x7f0000000bc0)={0x0, 0x6953, 0x3a, 0x0, 0x36f, 0x0, r0}, &(0x7f0000000c40)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0xc0d0, 0x800, 0x0, 0x3a6, 0x0, r1}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x3382, 0x10000, 0x2, 0x279}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xf910, 0x10, 0x1, 0x388}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x121a, 0x2000, 0x2000002, 0x44}}], 0x1, &(0x7f0000000ec0)={0x2e, 0x6, 0x4500, r8, 0xc0107520, 0x0, 0x0, 0x0, 0x0, {}, 0x1f, r5, '\x00', {0x82, 0x0, 0x0, 0x0}}, 0x0) 325.52µs ago: executing program 2 (id=409): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='27', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./sys\x00', &(0x7f00000001c0)='binder\x00', 0x0, 0x0) 0s ago: executing program 2 (id=410): r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000140)={0x28, 0x0, 0x2710, @local}, 0x10) listen(r0, 0x200) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) recvfrom(r1, &(0x7f0000000180)=""/51, 0xffffffffffffffa9, 0x10102, 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. [ 21.996423][ T36] audit: type=1400 audit(1793599181.179:64): avc: denied { mounton } for pid=286 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.997524][ T286] cgroup: Unknown subsys name 'net' [ 22.019155][ T36] audit: type=1400 audit(1793599181.179:65): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.046624][ T36] audit: type=1400 audit(1793599181.209:66): avc: denied { unmount } for pid=286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.046833][ T286] cgroup: Unknown subsys name 'devices' [ 22.154232][ T286] cgroup: Unknown subsys name 'hugetlb' [ 22.159881][ T286] cgroup: Unknown subsys name 'rlimit' [ 22.272568][ T36] audit: type=1400 audit(1793599181.459:67): avc: denied { setattr } for pid=286 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.295788][ T36] audit: type=1400 audit(1793599181.459:68): avc: denied { mounton } for pid=286 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 22.321649][ T36] audit: type=1400 audit(1793599181.459:69): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 22.330059][ T288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 22.353540][ T36] audit: type=1400 audit(1793599181.539:70): avc: denied { relabelto } for pid=288 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.379097][ T36] audit: type=1400 audit(1793599181.539:71): avc: denied { write } for pid=288 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.411681][ T36] audit: type=1400 audit(1793599181.589:72): avc: denied { read } for pid=286 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.437617][ T36] audit: type=1400 audit(1793599181.589:73): avc: denied { open } for pid=286 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.437879][ T286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.671329][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.678513][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.685721][ T294] bridge_slave_0: entered allmulticast mode [ 23.692095][ T294] bridge_slave_0: entered promiscuous mode [ 23.699907][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.706967][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.714098][ T294] bridge_slave_1: entered allmulticast mode [ 23.720436][ T294] bridge_slave_1: entered promiscuous mode [ 23.752575][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.759626][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.766858][ T296] bridge_slave_0: entered allmulticast mode [ 23.773130][ T296] bridge_slave_0: entered promiscuous mode [ 23.780847][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.787915][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.794992][ T296] bridge_slave_1: entered allmulticast mode [ 23.801246][ T296] bridge_slave_1: entered promiscuous mode [ 23.828698][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.835781][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.843008][ T295] bridge_slave_0: entered allmulticast mode [ 23.849171][ T295] bridge_slave_0: entered promiscuous mode [ 23.858472][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.865585][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.872879][ T295] bridge_slave_1: entered allmulticast mode [ 23.879061][ T295] bridge_slave_1: entered promiscuous mode [ 23.919695][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.926842][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.933983][ T293] bridge_slave_0: entered allmulticast mode [ 23.940138][ T293] bridge_slave_0: entered promiscuous mode [ 23.963221][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.970267][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.977702][ T293] bridge_slave_1: entered allmulticast mode [ 23.983909][ T293] bridge_slave_1: entered promiscuous mode [ 24.050843][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.057952][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.065252][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.072267][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.091262][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.098321][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.105594][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.112622][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.135350][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.142509][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.149781][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.156859][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.204107][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.211344][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.218584][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.226370][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.251671][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.258751][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.273453][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.280589][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.288774][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.295818][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.303557][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.310693][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.340643][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.347734][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.355963][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.363022][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.395277][ T294] veth0_vlan: entered promiscuous mode [ 24.407995][ T296] veth0_vlan: entered promiscuous mode [ 24.427908][ T295] veth0_vlan: entered promiscuous mode [ 24.435973][ T294] veth1_macvtap: entered promiscuous mode [ 24.451416][ T293] veth0_vlan: entered promiscuous mode [ 24.460217][ T296] veth1_macvtap: entered promiscuous mode [ 24.476966][ T295] veth1_macvtap: entered promiscuous mode [ 24.509508][ T293] veth1_macvtap: entered promiscuous mode [ 24.525963][ T296] 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. [ 24.645705][ T336] FAULT_INJECTION: forcing a failure. [ 24.645705][ T336] name failslab, interval 1, probability 0, space 0, times 1 [ 24.658929][ T336] CPU: 1 UID: 0 PID: 336 Comm: syz.3.10 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 24.658959][ T336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 24.658976][ T336] Call Trace: [ 24.658982][ T336] [ 24.658988][ T336] __dump_stack+0x21/0x30 [ 24.659010][ T336] dump_stack_lvl+0x140/0x1c0 [ 24.659027][ T336] ? __cfi_dump_stack_lvl+0x10/0x10 [ 24.659051][ T336] ? __kasan_check_write+0x18/0x20 [ 24.659077][ T336] ? rwsem_read_trylock+0x275/0x5a0 [ 24.659100][ T336] dump_stack+0x19/0x20 [ 24.659115][ T336] should_fail_ex+0x3c2/0x510 [ 24.659141][ T336] should_failslab+0xac/0x100 [ 24.659160][ T336] __kmalloc_node_noprof+0x69/0x500 [ 24.659182][ T336] ? crypto_create_tfm_node+0xa0/0x4d0 [ 24.659205][ T336] ? __kasan_check_write+0x18/0x20 [ 24.659227][ T336] ? up_read+0x26/0x1c0 [ 24.659244][ T336] crypto_create_tfm_node+0xa0/0x4d0 [ 24.659267][ T336] crypto_alloc_tfm_node+0x166/0x350 [ 24.659290][ T336] crypto_alloc_akcipher+0x34/0x40 [ 24.659313][ T336] software_key_query+0x41a/0xe30 [ 24.659335][ T336] ? __cfi_software_key_query+0x10/0x10 [ 24.659357][ T336] ? keyctl_pkey_params_get+0x3b8/0x4c0 [ 24.659381][ T336] ? schedule+0xc1/0x170 [ 24.659399][ T336] ? __cfi_software_key_query+0x10/0x10 [ 24.659422][ T336] query_asymmetric_key+0x10b/0x140 [ 24.659447][ T336] keyctl_pkey_params_get_2+0x24a/0x4c0 [ 24.659473][ T336] ? keyctl_pkey_e_d_s+0x3b0/0x3b0 [ 24.659499][ T336] ? futex_wake+0x666/0x950 [ 24.659522][ T336] keyctl_pkey_e_d_s+0xd1/0x3b0 [ 24.659544][ T336] ? __cfi_keyctl_pkey_e_d_s+0x10/0x10 [ 24.659569][ T336] ? vfs_write+0xbcf/0xfd0 [ 24.659594][ T336] __se_sys_keyctl+0x780/0xe40 [ 24.659613][ T336] ? __x64_sys_keyctl+0xf0/0xf0 [ 24.659632][ T336] ? __cfi_do_futex+0x10/0x10 [ 24.659651][ T336] ? mutex_unlock+0x90/0x240 [ 24.659673][ T336] ? __se_sys_futex+0x13c/0x320 [ 24.659692][ T336] ? fput+0x1a4/0x230 [ 24.659711][ T336] ? __x64_sys_futex+0x110/0x110 [ 24.659729][ T336] ? __cfi_ksys_write+0x10/0x10 [ 24.659753][ T336] ? __kasan_check_write+0x18/0x20 [ 24.659777][ T336] ? fpregs_restore_userregs+0x11c/0x260 [ 24.659802][ T336] __x64_sys_keyctl+0xc3/0xf0 [ 24.659821][ T336] x64_sys_call+0x996/0x2ee0 [ 24.659842][ T336] do_syscall_64+0x57/0xf0 [ 24.659859][ T336] ? clear_bhb_loop+0x50/0xa0 [ 24.659882][ T336] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.659904][ T336] RIP: 0033:0x7fc1daf9f559 [ 24.659928][ T336] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 24.659944][ T336] RSP: 002b:00007fc1dbe5f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa [ 24.659969][ T336] RAX: ffffffffffffffda RBX: 00007fc1db225fa0 RCX: 00007fc1daf9f559 [ 24.659985][ T336] RDX: 0000200000000080 RSI: 0000200000000040 RDI: 0000000000000019 [ 24.659999][ T336] RBP: 00007fc1db036b50 R08: 0000000000000000 R09: 0000000000000000 [ 24.660012][ T336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 24.660025][ T336] R13: 00007fc1db226038 R14: 00007fc1db225fa0 R15: 00007ffca47e86f8 [ 24.660049][ T336] [ 25.131295][ T313] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.189392][ T362] 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. [ 25.302493][ T9] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 25.342204][ T313] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 25.352929][ T313] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 25.364899][ T313] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 0 [ 25.375882][ T313] usb 1-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 25.400050][ T313] usb 1-1: New USB device found, idVendor=05f9, idProduct=ffff, bcdDevice= 1.00 [ 25.414225][ T313] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 25.423218][ T313] usb 1-1: Product: syz [ 25.429286][ T313] usb 1-1: Manufacturer: syz [ 25.434884][ T313] usb 1-1: SerialNumber: syz [ 25.445057][ T313] usbserial_generic 1-1:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes. [ 25.459109][ T313] usbserial_generic 1-1:1.0: Tell linux-usb@vger.kernel.org to add your device to a proper driver. [ 25.472247][ T313] usbserial_generic 1-1:1.0: generic converter detected [ 25.480611][ T9] usb 4-1: config 1 has an invalid interface number: 105 but max is 0 [ 25.489254][ T9] usb 4-1: config 1 has no interface number 0 [ 25.496084][ T9] usb 4-1: config 1 interface 105 has no altsetting 0 [ 25.503854][ T313] usb 1-1: generic converter now attached to ttyUSB0 [ 25.512944][ T9] usb 4-1: New USB device found, idVendor=20f4, idProduct=e05a, bcdDevice=6c.6d [ 25.522298][ T9] usb 4-1: New USB device strings: Mfr=1, Product=23, SerialNumber=3 [ 25.533903][ T9] usb 4-1: Product: syz [ 25.538227][ T9] usb 4-1: Manufacturer: syz [ 25.542949][ T9] usb 4-1: SerialNumber: syz [ 25.615907][ T380] loop7: detected capacity change from 0 to 7 [ 25.757025][ T382] ======================================================= [ 25.757025][ T382] WARNING: The mand mount option has been deprecated and [ 25.757025][ T382] and is ignored by this kernel. Remove the mand [ 25.757025][ T382] option from the mount to silence this warning. [ 25.757025][ T382] ======================================================= [ 26.037161][ T394] pci 0000:00:05.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 26.047957][ T31] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 26.191795][ T312] usb 1-1: USB disconnect, device number 2 [ 26.200626][ T312] generic ttyUSB0: generic converter now disconnected from ttyUSB0 [ 26.211253][ T31] usb 2-1: unable to get BOS descriptor or descriptor too short [ 26.220344][ T312] usbserial_generic 1-1:1.0: device disconnected [ 26.227457][ T31] usb 2-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 26.238876][ T31] usb 2-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 26.248823][ T31] usb 2-1: too many endpoints for config 1 interface 1 altsetting 76: 188, using maximum allowed: 30 [ 26.259930][ T31] usb 2-1: config 1 interface 1 altsetting 76 has 0 endpoint descriptors, different from the interface descriptor's value: 188 [ 26.274978][ T31] usb 2-1: config 1 interface 1 altsetting 1 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 26.286312][ T31] usb 2-1: config 1 interface 1 has no altsetting 0 [ 26.296887][ T31] usb 2-1: string descriptor 0 read error: -22 [ 26.303313][ T31] usb 2-1: New USB device found, idVendor=21b4, idProduct=0081, bcdDevice= 0.40 [ 26.312946][ T31] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.452483][ T313] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 26.623054][ T313] usb 3-1: Using ep0 maxpacket: 16 [ 26.629815][ T313] usb 3-1: config 0 interface 0 altsetting 5 endpoint 0x81 has an invalid bInterval 252, changing to 11 [ 26.641265][ T313] usb 3-1: config 0 interface 0 altsetting 5 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 26.655212][ T313] usb 3-1: config 0 interface 0 has no altsetting 0 [ 26.661869][ T313] usb 3-1: New USB device found, idVendor=044f, idProduct=b304, bcdDevice= 0.00 [ 26.670974][ T313] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.681314][ T313] usb 3-1: config 0 descriptor?? [ 26.754543][ T9] aqc111 4-1:1.105 (unnamed net_device) (uninitialized): Failed to read(0x1) reg index 0x0001: -71 [ 26.767386][ T9] aqc111 4-1:1.105 eth1: register 'aqc111' at usb-dummy_hcd.3-1, USB-C 3.1 to 5GBASE-T Ethernet Adapter, 4a:a2:d3:7a:7f:96 [ 26.786326][ T9] usb 4-1: USB disconnect, device number 2 [ 26.793249][ T9] aqc111 4-1:1.105 eth1: unregister 'aqc111' usb-dummy_hcd.3-1, USB-C 3.1 to 5GBASE-T Ethernet Adapter [ 26.842990][ T9] aqc111 4-1:1.105 eth1 (unregistered): Failed to write(0x1) reg index 0x0002: -19 [ 26.852643][ T9] aqc111 4-1:1.105 eth1 (unregistered): Failed to write(0x1) reg index 0x0002: -19 [ 26.861997][ T9] aqc111 4-1:1.105 eth1 (unregistered): Failed to write(0x61) reg index 0x0000: -19 [ 27.293787][ T469] kvm_intel: set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. [ 27.424103][ T36] kauditd_printk_skb: 85 callbacks suppressed [ 27.424119][ T36] audit: type=1400 audit(1793599186.609:159): avc: denied { read } for pid=475 comm="syz.2.59" dev="nsfs" ino=4026532348 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 27.452209][ T36] audit: type=1400 audit(1793599186.609:160): avc: denied { open } for pid=475 comm="syz.2.59" path="net:[4026532348]" dev="nsfs" ino=4026532348 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 27.475395][ T36] audit: type=1400 audit(1793599186.609:161): avc: denied { create } for pid=475 comm="syz.2.59" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=nfc_socket permissive=1 [ 27.495778][ T36] audit: type=1400 audit(1793599186.609:162): avc: denied { bind } for pid=475 comm="syz.2.59" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=nfc_socket permissive=1 [ 27.522686][ T36] audit: type=1400 audit(1793599186.709:163): avc: denied { name_bind } for pid=482 comm="syz.3.62" src=20003 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 [ 27.546569][ T36] audit: type=1400 audit(1793599186.709:164): avc: denied { node_bind } for pid=482 comm="syz.3.62" saddr=224.0.0.1 src=20003 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 27.570336][ T36] audit: type=1400 audit(1793599186.729:165): avc: denied { read write } for pid=484 comm="syz.2.63" name="ppp" dev="devtmpfs" ino=86 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:ppp_device_t tclass=chr_file permissive=1 !ORH K8S2[ 27.598523][ T31] usb 2-1: 2:0: failed to get current value for ch 1 (-71) m;8r [ 27.602560][ T36] audit: type=1400 audit(1793599186.729:166): avc: denied { open } for pid=484 comm="syz.2.63" path="/dev/ppp" dev="devtmpfs" ino=86 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:ppp_device_t tclass=chr_file permissive=1 =hL$[g[ 27.630820][ T36] audit: type=1400 audit(1793599186.729:167): avc: denied { ioctl } for pid=484 comm="syz.2.63" path="/dev/ppp" dev="devtmpfs" ino=86 ioctlcmd=0x743e scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:ppp_device_t tclass=chr_file permissive=1 ~RxpR<[2] 6;xa ꈛX"r'gi¨t*[ 27.661926][ T31] usb 2-1: USB disconnect, device number 2  1;`3Jbo0e[ ᓗ֖X}0]?Fc^ձݩ-t[ 27.672417][ T36] audit: type=1400 audit(1793599186.839:168): avc: denied { read write } for pid=488 comm="syz.0.65" name="mtrr" dev="proc" ino=4026532004 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:mtrr_device_t tclass=file permissive=1 ;#Pui 3Xu'(c)iBx}n$D[13OÛ:.Ͱo݋8DIAcp\UC*T#nvbIkݻBk V1bBk~}$Qd[ avpޘvGo*K_obؠq9&ƵK^4 pw~3Iu4/x*xiXd[ 27.734949][ T499] netlink: 'syz.2.70': attribute type 29 has an invalid length. e&C`W"R$IFlc+5p$?8e[ 27.746524][ T499] netlink: 'syz.2.70': attribute type 32 has an invalid length. a !SRy PpA`B Vdy!Mۈ2Э{F5_`Πw|Ԫ .(8J]BO\ }e(/B$eRX %)K=gm`엱,FB{JlNg-䶍x}zPK<6u}Ӧ@ʬ*5YOuF_IЮ7nJ_|# Jgs|;Bv@5&V ν\/߭+EYWMu$;@GIp"#MȖD6[Y׼uD5'>C"ƹ  @%ċu<ۚ{g(~VF/OͳpH?wC&oz=$D.:Gd7kɥggM߀7]I =}pq\FMju9{QScf?u%Fݔ2?lЅqIeUH,y$!eH<Ӳ׃xϸ^.}m'*#oq뢁T9;HD9|7"1V<T O"nx2q墢%I1Og8{^(YyK%iV|vyqe |׺B=J39]P}ŜQ {@QwV2۵TinZf׻rGys3FpP7=y{>f>;cnoHY8Tz9D]+ Nsghd  xMؑ7TQ09dqU'i{RFe؄n¶Z/3h~JֆGsN\ZWT/1K 0ޮԲEc@sŌ霁vwOLsZ 0|szfQR-9s)k=KByŃ?AW#=C;v@`e/.O+{FN\[ 27.956754][ T523] kvm: kvm [522]: vcpu0, guest rIP: 0x9143 Unhandled WRMSR(0x11e) = 0xbe702111 ?tZ~94N$'^-tk'Rƹ_'"R!&Yne[HxLAk"=2FxrOCh|~`‹R/o툓_u-^6ޣB}(Uҫ"BrQ#:!bFK3:H_JWA%T'A\QC,ov*[HWe\>_bߊ@F[wtA]_,V_$}3-5`?EL4(VQ%+Cc5k x_/G)8"[Y+D"p.0<#bJ}MaQbEA(0/FC%b@X^$lC6|+('at—a;Z8BvA=._im9E 9/J6II9 OTWv噯V[S0+E 5FJx%T!P*M$bLMtgXO]7GUSMhyQj~e+˚Nr'+\ZGKyH,])^WbkqGtMlPɊDzC-xy+kb9K>2dp dzBR`T91;L/Ebbpֲا{Ar k̀|C"&!hg{>ޫ ȔX|,6y@w"zgK]wjhYKbąb5^(Mn͍H6O bߡ;uUоSҡս;Э(p a~6/vl{r}v]u 1 r6?Qbo;쉂*z gX?!n!bܿq_I :,>=6 IpmiPl軇*#&@zN[ 28.293423][ T561] FAULT_INJECTION: forcing a failure. [ 28.293423][ T561] name failslab, interval 1, probability 0, space 0, times 0 [ 28.306625][ T561] CPU: 1 UID: 0 PID: 561 Comm: syz.1.97 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 28.306660][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.306673][ T561] Call Trace: [ 28.306679][ T561] [ 28.306686][ T561] __dump_stack+0x21/0x30 [ 28.306711][ T561] dump_stack_lvl+0x140/0x1c0 [ 28.306728][ T561] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.306746][ T561] ? stack_depot_save_flags+0x38/0x800 [ 28.306775][ T561] ? stack_trace_save+0xaa/0x100 [ 28.306800][ T561] dump_stack+0x19/0x20 [ 28.306813][ T561] should_fail_ex+0x3c2/0x510 [ 28.306839][ T561] should_failslab+0xac/0x100 [ 28.306858][ T561] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 28.306883][ T561] ? alloc_inode+0xa9/0x270 [ 28.306901][ T561] ? avc_has_perm_noaudit+0x289/0x360 [ 28.306920][ T561] alloc_inode+0xa9/0x270 [ 28.306939][ T561] new_inode_pseudo+0x19/0x40 [ 28.306957][ T561] path_from_stashed+0x208/0x860 [ 28.306979][ T561] ? __kasan_check_write+0x18/0x20 [ 28.307002][ T561] ? __cfi_path_from_stashed+0x10/0x10 [ 28.307025][ T561] ns_get_path+0x7a/0xa0 [ 28.307042][ T561] proc_ns_get_link+0xfb/0x220 [ 28.307063][ T561] ? __cfi_proc_ns_get_link+0x10/0x10 [ 28.307084][ T561] ? bpf_lsm_inode_follow_link+0xd/0x20 [ 28.307103][ T561] ? security_inode_follow_link+0x7e/0x180 [ 28.307124][ T561] ? __cfi_proc_ns_get_link+0x10/0x10 [ 28.307145][ T561] pick_link+0x670/0xe80 [ 28.307171][ T561] step_into+0xc33/0xf10 [ 28.307196][ T561] ? set_root+0x420/0x420 [ 28.307220][ T561] path_openat+0x1a30/0x35a0 [ 28.307244][ T561] ? do_filp_open+0x440/0x440 [ 28.307266][ T561] do_filp_open+0x1f2/0x440 [ 28.307285][ T561] ? __cfi_do_filp_open+0x10/0x10 [ 28.307308][ T561] ? alloc_fd+0x4c1/0x570 [ 28.307326][ T561] do_sys_openat2+0x134/0x1d0 [ 28.307348][ T561] ? do_sys_open+0x100/0x100 [ 28.307369][ T561] __x64_sys_openat+0x13a/0x170 [ 28.307391][ T561] x64_sys_call+0xe69/0x2ee0 [ 28.307408][ T561] do_syscall_64+0x57/0xf0 [ 28.307425][ T561] ? clear_bhb_loop+0x50/0xa0 [ 28.307448][ T561] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.307470][ T561] RIP: 0033:0x7f358d35fd8e [ 28.307486][ T561] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 28.307501][ T561] RSP: 002b:00007f358e1b4ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 28.307521][ T561] RAX: ffffffffffffffda RBX: 00007f358e1b56c0 RCX: 00007f358d35fd8e [ 28.307535][ T561] RDX: 0000000000000002 RSI: 00007f358e1b4f90 RDI: ffffffffffffff9c [ 28.307549][ T561] RBP: 00007f358d436b50 R08: 0000000000000000 R09: 0000000000000000 [ 28.307561][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 28.307573][ T561] R13: 00007f358d626038 R14: 00007f358d625fa0 R15: 00007ffdc8d20a48 [ 28.307590][ T561] [ 28.398309][ T566] tipc: Started in network mode [ 28.602361][ T566] tipc: Node identity 4, cluster identity 4711 [ 28.615755][ T566] tipc: Node number set to 4 [ 28.662426][ T10] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 28.674033][ T573] FAULT_INJECTION: forcing a failure. [ 28.674033][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 28.687254][ T573] CPU: 1 UID: 0 PID: 573 Comm: syz.1.102 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 28.687286][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.687299][ T573] Call Trace: [ 28.687305][ T573] [ 28.687312][ T573] __dump_stack+0x21/0x30 [ 28.687335][ T573] dump_stack_lvl+0x140/0x1c0 [ 28.687353][ T573] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.687371][ T573] ? number+0xc9d/0xf00 [ 28.687400][ T573] dump_stack+0x19/0x20 [ 28.687417][ T573] should_fail_ex+0x3c2/0x510 [ 28.687444][ T573] should_failslab+0xac/0x100 [ 28.687464][ T573] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 28.687491][ T573] ? sidtab_sid2str_get+0x135/0x360 [ 28.687516][ T573] kmemdup_noprof+0x31/0x80 [ 28.687539][ T573] sidtab_sid2str_get+0x135/0x360 [ 28.687564][ T573] security_sid_to_context_core+0x30d/0x5d0 [ 28.687588][ T573] security_sid_to_context+0x2e/0x50 [ 28.687609][ T573] avc_audit_post_callback+0x117/0x790 [ 28.687639][ T573] ? __cfi_avc_audit_post_callback+0x10/0x10 [ 28.687661][ T573] ? audit_log_untrustedstring+0xea/0x100 [ 28.687688][ T573] ? __cfi_avc_audit_post_callback+0x10/0x10 [ 28.687708][ T573] common_lsm_audit+0x1b9/0x220 [ 28.687728][ T573] ? __cfi_avc_audit_post_callback+0x10/0x10 [ 28.687748][ T573] ? __cfi_common_lsm_audit+0x10/0x10 [ 28.687767][ T573] slow_avc_audit+0x19f/0x220 [ 28.687784][ T573] ? __cfi_slow_avc_audit+0x10/0x10 [ 28.687802][ T573] ? __kasan_check_read+0x15/0x20 [ 28.687827][ T573] ? perf_event_namespaces+0x19c/0x8e0 [ 28.687849][ T573] ? avc_has_perm_noaudit+0x21f/0x360 [ 28.687869][ T573] avc_has_perm+0x1ec/0x240 [ 28.687888][ T573] ? __cfi_avc_has_perm+0x10/0x10 [ 28.687908][ T573] ? security_transition_sid+0x79/0xa0 [ 28.687931][ T573] selinux_socket_create+0x188/0x290 [ 28.687952][ T573] ? __cfi_selinux_socket_create+0x10/0x10 [ 28.687973][ T573] ? __kasan_check_write+0x18/0x20 [ 28.687998][ T573] security_socket_create+0x6a/0x130 [ 28.688019][ T573] ? __sock_create+0xba/0x810 [ 28.688039][ T573] __sock_create+0xd8/0x810 [ 28.688057][ T573] ? __x64_sys_setns+0x80/0x80 [ 28.688077][ T573] __sys_socket+0xe1/0x1c0 [ 28.688095][ T573] __x64_sys_socket+0x7e/0x90 [ 28.688114][ T573] x64_sys_call+0x2608/0x2ee0 [ 28.688134][ T573] do_syscall_64+0x57/0xf0 [ 28.688151][ T573] ? clear_bhb_loop+0x50/0xa0 [ 28.688174][ T573] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.688197][ T573] RIP: 0033:0x7f358d39f559 [ 28.688213][ T573] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 28.688229][ T573] RSP: 002b:00007f358e1b4fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 28.688250][ T573] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f358d39f559 [ 28.688264][ T573] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000001f [ 28.688276][ T573] RBP: 00007f358d436b50 R08: 0000000000000000 R09: 0000000000000000 [ 28.688289][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 28.688302][ T573] R13: 00007f358d626038 R14: 00007f358d625fa0 R15: 00007ffdc8d20a48 [ 28.688318][ T573] [ 28.713701][ T580] syzkaller1: entered promiscuous mode [ 29.011836][ T580] syzkaller1: entered allmulticast mode [ 29.103559][ T10] usb 4-1: too many endpoints for config 0 interface 0 altsetting 0: 253, using maximum allowed: 30 [ 29.115224][ T10] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 29.126338][ T10] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 29.142476][ T10] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 253 [ 29.151987][ T595] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.165098][ T10] usb 4-1: New USB device found, idVendor=05ac, idProduct=8243, bcdDevice=8b.40 [ 29.175261][ T10] usb 4-1: New USB device strings: Mfr=11, Product=0, SerialNumber=0 [ 29.180122][ T596] rust_binder: got new transaction with bad transaction stack [ 29.185343][ T10] usb 4-1: Manufacturer: syz [ 29.193877][ T596] rust_binder: 594:596 transaction call to 594:0 failed EINVAL, code 0 size 0-0 line thread.rs:1520 [ 29.203160][ T10] usb 4-1: config 0 descriptor?? [ 29.214361][ T31] rust_binder: 594: undelivered TRANSACTION_COMPLETE [ 29.215834][ T600] FAULT_INJECTION: forcing a failure. [ 29.215834][ T600] name failslab, interval 1, probability 0, space 0, times 0 [ 29.221258][ T31] rust_binder: 594: undelivered TRANSACTION_ERROR: 29201 [ 29.234887][ T600] CPU: 0 UID: 0 PID: 600 Comm: syz.1.114 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 29.234919][ T600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 29.234932][ T600] Call Trace: [ 29.234937][ T600] [ 29.234945][ T600] __dump_stack+0x21/0x30 [ 29.234971][ T600] dump_stack_lvl+0x140/0x1c0 [ 29.234988][ T600] ? __cfi_dump_stack_lvl+0x10/0x10 [ 29.235006][ T600] dump_stack+0x19/0x20 [ 29.235022][ T600] should_fail_ex+0x3c2/0x510 [ 29.235048][ T600] should_failslab+0xac/0x100 [ 29.235066][ T600] kmem_cache_alloc_noprof+0x42/0x410 [ 29.235091][ T600] ? key_alloc+0x2ee/0x1060 [ 29.235111][ T600] ? key_user_lookup+0x263/0x4f0 [ 29.235132][ T600] key_alloc+0x2ee/0x1060 [ 29.235154][ T600] keyring_alloc+0x4b/0xc0 [ 29.235176][ T600] join_session_keyring+0x121/0x440 [ 29.235197][ T600] ? lookup_user_key+0x548/0x1230 [ 29.235216][ T600] lookup_user_key+0x54f/0x1230 [ 29.235237][ T600] ? __cfi_lookup_user_key+0x10/0x10 [ 29.235257][ T600] ? __cfi_lookup_user_key_possessed+0x10/0x10 [ 29.235285][ T600] keyctl_keyring_move+0x43/0x110 [ 29.235304][ T600] __se_sys_keyctl+0x7c2/0xe40 [ 29.235323][ T600] ? __x64_sys_keyctl+0xf0/0xf0 [ 29.235342][ T600] ? __cfi_do_futex+0x10/0x10 [ 29.235364][ T600] ? __se_sys_futex+0x13c/0x320 [ 29.235383][ T600] ? xfd_validate_state+0x68/0x140 [ 29.235409][ T600] ? __kasan_check_write+0x18/0x20 [ 29.235433][ T600] ? fpregs_restore_userregs+0x11c/0x260 [ 29.235456][ T600] __x64_sys_keyctl+0xc3/0xf0 [ 29.235475][ T600] x64_sys_call+0x996/0x2ee0 [ 29.235493][ T600] do_syscall_64+0x57/0xf0 [ 29.235511][ T600] ? clear_bhb_loop+0x50/0xa0 [ 29.235532][ T600] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.235554][ T600] RIP: 0033:0x7f358d39f559 [ 29.235570][ T600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 29.235584][ T600] RSP: 002b:00007f358e1b5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa [ 29.235603][ T600] RAX: ffffffffffffffda RBX: 00007f358d625fa0 RCX: 00007f358d39f559 [ 29.235617][ T600] RDX: 0000000000000000 RSI: fffffffffffffffd RDI: 000000000000001e [ 29.235630][ T600] RBP: 00007f358d436b50 R08: 0000000000000000 R09: 0000000000000000 [ 29.235641][ T600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 29.235653][ T600] R13: 00007f358d626038 R14: 00007f358d625fa0 R15: 00007ffdc8d20a48 [ 29.235668][ T600] [ 29.266120][ T602] process 'syz.2.116' launched './file1' with NULL argv: empty string added [ 29.331323][ T604] 9pnet: p9_errstr2errno: server reported unknown error 0x0000 [ 29.522168][ T613] tipc: Started in network mode [ 29.527174][ T613] tipc: Node identity ac14140f, cluster identity 4711 [ 29.534298][ T613] tipc: New replicast peer: 255.255.255.255 [ 29.540482][ T613] tipc: Enabled bearer , priority 10 [ 29.690450][ T640] netlink: 36 bytes leftover after parsing attributes in process `syz.1.128'. [ 29.697433][ T10] appleir 0003:05AC:8243.0001: unknown main item tag 0x0 [ 29.709108][ T10] appleir 0003:05AC:8243.0001: No inputs registered, leaving [ 29.720834][ T645] bridge0: port 3(syz_tun) entered blocking state [ 29.729432][ T10] appleir 0003:05AC:8243.0001: hiddev96,hidraw0: USB HID v0.00 Device [syz] on usb-dummy_hcd.3-1/input0 [ 29.744500][ T645] bridge0: port 3(syz_tun) entered disabled state [ 29.753173][ T645] syz_tun: entered allmulticast mode [ 29.761550][ T645] syz_tun: entered promiscuous mode [ 29.777802][ T645] bridge0: port 3(syz_tun) entered blocking state [ 29.784277][ T645] bridge0: port 3(syz_tun) entered forwarding state [ 29.888411][ T672] FAULT_INJECTION: forcing a failure. [ 29.888411][ T672] name failslab, interval 1, probability 0, space 0, times 0 [ 29.913690][ T672] CPU: 0 UID: 0 PID: 672 Comm: syz.2.136 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 29.913723][ T672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 29.913734][ T672] Call Trace: [ 29.913740][ T672] [ 29.913747][ T672] __dump_stack+0x21/0x30 [ 29.913772][ T672] dump_stack_lvl+0x140/0x1c0 [ 29.913793][ T672] ? __cfi_dump_stack_lvl+0x10/0x10 [ 29.913813][ T672] dump_stack+0x19/0x20 [ 29.913829][ T672] should_fail_ex+0x3c2/0x510 [ 29.913855][ T672] should_failslab+0xac/0x100 [ 29.913873][ T672] kmem_cache_alloc_noprof+0x42/0x410 [ 29.913899][ T672] ? alloc_uid+0x15a/0x6d0 [ 29.913918][ T672] ? security_prepare_creds+0xd4/0x260 [ 29.913945][ T672] alloc_uid+0x15a/0x6d0 [ 29.913966][ T672] __sys_setresuid+0x6c1/0xd90 [ 29.913991][ T672] __x64_sys_setresuid+0x7e/0x90 [ 29.914015][ T672] x64_sys_call+0x2728/0x2ee0 [ 29.914035][ T672] do_syscall_64+0x57/0xf0 [ 29.914053][ T672] ? clear_bhb_loop+0x50/0xa0 [ 29.914076][ T672] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.914098][ T672] RIP: 0033:0x7f4c3359f559 [ 29.914114][ T672] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 29.914129][ T672] RSP: 002b:00007f4c34488028 EFLAGS: 00000246 ORIG_RAX: 0000000000000075 [ 29.914150][ T672] RAX: ffffffffffffffda RBX: 00007f4c33825fa0 RCX: 00007f4c3359f559 [ 29.914164][ T672] RDX: 0000000000000000 RSI: 000000000000ee00 RDI: 000000000000ee00 [ 29.914176][ T672] RBP: 00007f4c33636b50 R08: 0000000000000000 R09: 0000000000000000 [ 29.914189][ T672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 29.914201][ T672] R13: 00007f4c33826038 R14: 00007f4c33825fa0 R15: 00007ffd37b70fd8 [ 29.914216][ T672] [ 30.199982][ T706] EXT4-fs warning (device sda1): verify_group_input:137: Cannot add at group 25 (only 8 groups) [ 30.385243][ T711] pim6reg1: entered promiscuous mode [ 30.390611][ T711] pim6reg1: entered allmulticast mode [ 30.610456][ T10] usb 4-1: USB disconnect, device number 3 [ 30.652444][ T31] tipc: Node number set to 2886997007 [ 30.678791][ T735] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 30.687849][ T735] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 30.882744][ T764] netlink: 'syz.1.168': attribute type 7 has an invalid length. [ 30.890571][ T764] netlink: 'syz.1.168': attribute type 6 has an invalid length. [ 31.153957][ T776] x86/PAT: syz.3.174:776 freeing invalid memtype [mem 0xfe408000-0xfe408fff] [ 31.181244][ T776] x86/PAT: syz.3.174:776 freeing invalid memtype [mem 0xfe000000-0xfe407fff] [ 31.190164][ T311] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 31.218558][ T783] EXT4-fs warning (device sda1): verify_group_input:137: Cannot add at group 9 (only 8 groups) [ 31.312114][ T799] futex_wake_op: syz.2.185 tries to shift op by 144; fix this program [ 31.320571][ T799] futex_wake_op: syz.2.185 tries to shift op by 144; fix this program [ 31.362458][ T311] usb 2-1: Using ep0 maxpacket: 16 [ 31.371876][ T311] usb 2-1: config 0 has no interfaces? [ 31.379969][ T311] usb 2-1: string descriptor 0 read error: -71 [ 31.384420][ T803] netlink: 8 bytes leftover after parsing attributes in process `syz.2.186'. [ 31.386603][ T311] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 31.411828][ T311] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=2 [ 31.426824][ T311] usb 2-1: config 0 descriptor?? [ 31.432364][ T311] usb 2-1: can't set config #0, error -71 [ 31.449275][ T311] usb 2-1: USB disconnect, device number 3 [ 31.573381][ T818] EXT4-fs warning (device sda1): verify_group_input:137: Cannot add at group 1000000 (only 8 groups) [ 31.648465][ T830] rust_binder: BINDER_SET_CONTEXT_MGR already set [ 31.665470][ T832] overlayfs: cannot append lower layer [ 31.685390][ T835] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 31.695991][ T835] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 31.733577][ T313] usbhid 3-1:0.0: can't add hid device: -32 [ 31.739806][ T313] usbhid 3-1:0.0: probe with driver usbhid failed with error -32 [ 31.848328][ T856] loop0: detected capacity change from 0 to 1 [ 31.883099][ T856] loop0: p1 [ 31.886638][ T856] loop0: p1 start 2815197015 is beyond EOD, truncated [ 32.003309][ T850] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 32.035474][ T870] tipc: Started in network mode [ 32.040392][ T870] tipc: Node identity fe80000000000000000000000000001, cluster identity 4711 [ 32.049966][ T870] tipc: Enabled bearer , priority 10 [ 32.152843][ T567] usb 1-1: new full-speed USB device number 3 using dummy_hcd [ 32.307869][ T567] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x82 has invalid maxpacket 512, setting to 64 [ 32.323769][ T567] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid maxpacket 1056, setting to 64 [ 32.334895][ T567] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 32.348810][ T567] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 32.358752][ T567] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 32.366928][ T567] usb 1-1: SerialNumber: syz [ 32.373912][ T862] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 32.382461][ T862] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 32.489190][ T36] kauditd_printk_skb: 93 callbacks suppressed [ 32.489228][ T36] audit: type=1400 audit(1793599192.668:262): avc: denied { mount } for pid=903 comm="syz.2.232" name="/" dev="ramfs" ino=6991 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:ramfs_t tclass=filesystem permissive=1 [ 32.530411][ T906] FAULT_INJECTION: forcing a failure. [ 32.530411][ T906] name failslab, interval 1, probability 0, space 0, times 0 [ 32.543931][ T906] CPU: 1 UID: 0 PID: 906 Comm: syz.2.233 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 32.543966][ T906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 32.543979][ T906] Call Trace: [ 32.543985][ T906] [ 32.543993][ T906] __dump_stack+0x21/0x30 [ 32.544018][ T906] dump_stack_lvl+0x140/0x1c0 [ 32.544035][ T906] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.544060][ T906] ? do_futex+0x32a/0x510 [ 32.544081][ T906] dump_stack+0x19/0x20 [ 32.544097][ T906] should_fail_ex+0x3c2/0x510 [ 32.544126][ T906] should_failslab+0xac/0x100 [ 32.544145][ T906] kmem_cache_alloc_noprof+0x42/0x410 [ 32.544171][ T906] ? prepare_creds+0x47/0x6b0 [ 32.544194][ T906] ? __cfi_make_kuid+0x10/0x10 [ 32.544211][ T906] prepare_creds+0x47/0x6b0 [ 32.544230][ T906] __sys_setuid+0x96/0x740 [ 32.544253][ T906] __x64_sys_setuid+0x3b/0x50 [ 32.544277][ T906] x64_sys_call+0xe99/0x2ee0 [ 32.544296][ T906] do_syscall_64+0x57/0xf0 [ 32.544315][ T906] ? clear_bhb_loop+0x50/0xa0 [ 32.544338][ T906] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.544360][ T906] RIP: 0033:0x7f4c3359f559 [ 32.544377][ T906] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 32.544393][ T906] RSP: 002b:00007f4c34488028 EFLAGS: 00000246 ORIG_RAX: 0000000000000069 [ 32.544414][ T906] RAX: ffffffffffffffda RBX: 00007f4c33825fa0 RCX: 00007f4c3359f559 [ 32.544428][ T906] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.544440][ T906] RBP: 00007f4c33636b50 R08: 0000000000000000 R09: 0000000000000000 [ 32.544451][ T906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 32.544462][ T906] R13: 00007f4c33826038 R14: 00007f4c33825fa0 R15: 00007ffd37b70fd8 [ 32.544478][ T906] [ 32.738221][ T862] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 32.745480][ T862] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 32.803461][ T36] audit: type=1400 audit(1793599192.988:263): avc: denied { read write } for pid=914 comm="syz.2.237" name="vhost-vsock" dev="devtmpfs" ino=200 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 32.829219][ T36] audit: type=1400 audit(1793599192.988:264): avc: denied { open } for pid=914 comm="syz.2.237" path="/dev/vhost-vsock" dev="devtmpfs" ino=200 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 32.853087][ T36] audit: type=1400 audit(1793599192.988:265): avc: denied { ioctl } for pid=914 comm="syz.2.237" path="/dev/vhost-vsock" dev="devtmpfs" ino=200 ioctlcmd=0xaf01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 32.947198][ T36] audit: type=1400 audit(1793599193.128:266): avc: denied { getopt } for pid=930 comm="syz.2.244" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [ 33.015898][ T938] capability: warning: `syz.1.247' uses deprecated v2 capabilities in a way that may be insecure [ 33.100092][ T36] audit: type=1400 audit(1793599193.278:267): avc: denied { read } for pid=953 comm="syz.1.254" path="socket:[7096]" dev="sockfs" ino=7096 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 33.112867][ T956] netlink: 679 bytes leftover after parsing attributes in process `syz.1.255'. [ 33.162615][ T31] tipc: Node number set to 4269801488 [ 33.170523][ T567] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 33.359152][ T36] audit: type=1400 audit(1793599193.538:268): avc: denied { read write } for pid=985 comm="syz.2.260" name="uhid" dev="devtmpfs" ino=199 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:uhid_device_t tclass=chr_file permissive=1 [ 33.383212][ T312] hid-generic 0000:0000:0000.0002: unknown main item tag 0x0 [ 33.391689][ T312] hid-generic 0000:0000:0000.0002: hidraw0: HID v0.00 Device [syz1] on syz0 [ 33.393620][ T567] usb 1-1: USB disconnect, device number 3 [ 33.412338][ T36] audit: type=1400 audit(1793599193.538:269): avc: denied { open } for pid=985 comm="syz.2.260" path="/dev/uhid" dev="devtmpfs" ino=199 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:uhid_device_t tclass=chr_file permissive=1 [ 33.437611][ T567] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 33.449583][ T36] audit: type=1400 audit(1793599193.568:270): avc: denied { ioctl } for pid=861 comm="syz.0.214" path="socket:[5967]" dev="sockfs" ino=5967 ioctlcmd=0x8914 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 33.563863][ T36] audit: type=1400 audit(1793599193.748:271): avc: denied { write } for pid=1001 comm="syz.2.261" name="packet" dev="proc" ino=4026532611 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_net_t tclass=file permissive=1 [ 33.861090][ T1022] FAULT_INJECTION: forcing a failure. [ 33.861090][ T1022] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 33.874399][ T1022] CPU: 0 UID: 0 PID: 1022 Comm: syz.3.263 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 33.874432][ T1022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 33.874444][ T1022] Call Trace: [ 33.874451][ T1022] [ 33.874458][ T1022] __dump_stack+0x21/0x30 [ 33.874477][ T1022] dump_stack_lvl+0x140/0x1c0 [ 33.874487][ T1022] ? __cfi_dump_stack_lvl+0x10/0x10 [ 33.874498][ T1022] dump_stack+0x19/0x20 [ 33.874507][ T1022] should_fail_ex+0x3c2/0x510 [ 33.874523][ T1022] should_fail_alloc_page+0xec/0x110 [ 33.874534][ T1022] __alloc_pages_noprof+0x1c0/0x7e0 [ 33.874546][ T1022] ? __cfi___alloc_pages_noprof+0x10/0x10 [ 33.874559][ T1022] ? __kasan_check_write+0x18/0x20 [ 33.874573][ T1022] __folio_alloc_noprof+0x14/0x80 [ 33.874586][ T1022] folio_prealloc+0x46/0x220 [ 33.874597][ T1022] do_pte_missing+0x16af/0x4440 [ 33.874608][ T1022] ? __kasan_check_write+0x18/0x20 [ 33.874621][ T1022] ? _raw_spin_lock+0x92/0x120 [ 33.874631][ T1022] ? pte_marker_clear+0x1b0/0x1b0 [ 33.874644][ T1022] ? __pmd_alloc+0x5a6/0x9a0 [ 33.874654][ T1022] ? kasan_save_track+0x4f/0x80 [ 33.874663][ T1022] ? kasan_save_track+0x3e/0x80 [ 33.874671][ T1022] ? mas_preallocate+0x79b/0xc90 [ 33.874684][ T1022] ? vma_link+0x12b/0x6c0 [ 33.874693][ T1022] ? insert_vm_struct+0x2d5/0x3b0 [ 33.874703][ T1022] ? do_execveat_common+0x199/0xae0 [ 33.874716][ T1022] ? x64_sys_call+0x906/0x2ee0 [ 33.874726][ T1022] ? mas_destroy+0x2768/0x3050 [ 33.874738][ T1022] handle_mm_fault+0x1189/0x1ba0 [ 33.874749][ T1022] ? __cfi_handle_mm_fault+0x10/0x10 [ 33.874758][ T1022] ? __kernel_text_address+0x11/0x40 [ 33.874773][ T1022] ? __cfi_find_vma+0x10/0x10 [ 33.874785][ T1022] ? vma_is_secretmem+0x11/0x50 [ 33.874797][ T1022] ? check_vma_flags+0x2a5/0x3a0 [ 33.874808][ T1022] __get_user_pages+0x114b/0x22d0 [ 33.874821][ T1022] ? populate_vma_page_range+0x220/0x220 [ 33.874831][ T1022] ? rwsem_read_trylock+0x275/0x5a0 [ 33.874844][ T1022] get_user_pages_remote+0x377/0xb80 [ 33.874855][ T1022] ? down_read+0x7f/0xe0 [ 33.874867][ T1022] ? __cfi_get_user_pages_remote+0x10/0x10 [ 33.874878][ T1022] ? __kasan_check_read+0x15/0x20 [ 33.874890][ T1022] ? __vm_enough_memory+0x11e/0x380 [ 33.874907][ T1022] ? security_vm_enough_memory_mm+0x257/0x270 [ 33.874918][ T1022] get_arg_page+0x24c/0x520 [ 33.874929][ T1022] ? copy_string_kernel+0x2e0/0x2e0 [ 33.874941][ T1022] ? __kasan_check_write+0x18/0x20 [ 33.874953][ T1022] ? up_write+0x66/0x280 [ 33.874964][ T1022] ? copy_string_kernel+0x20/0x2e0 [ 33.874976][ T1022] copy_string_kernel+0x17a/0x2e0 [ 33.874987][ T1022] do_execveat_common+0x7de/0xae0 [ 33.874999][ T1022] ? getname_flags+0x203/0x6b0 [ 33.875009][ T1022] __x64_sys_execveat+0xd2/0xf0 [ 33.875021][ T1022] x64_sys_call+0x906/0x2ee0 [ 33.875031][ T1022] do_syscall_64+0x57/0xf0 [ 33.875040][ T1022] ? clear_bhb_loop+0x50/0xa0 [ 33.875053][ T1022] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 33.875065][ T1022] RIP: 0033:0x7fc1daf9f559 [ 33.875075][ T1022] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 33.875083][ T1022] RSP: 002b:00007fc1dbe5f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 [ 33.875095][ T1022] RAX: ffffffffffffffda RBX: 00007fc1db225fa0 RCX: 00007fc1daf9f559 [ 33.875103][ T1022] RDX: 0000000000000000 RSI: 00002000000011c0 RDI: 0000000000000004 [ 33.875110][ T1022] RBP: 00007fc1db036b50 R08: 0000000000001000 R09: 0000000000000000 [ 33.875117][ T1022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 33.875123][ T1022] R13: 00007fc1db226038 R14: 00007fc1db225fa0 R15: 00007ffca47e86f8 [ 33.875132][ T1022] [ 33.891534][ T1024] overlayfs: workdir and upperdir must reside under the same mount [ 34.446627][ T1061] device-mapper: ioctl: populate_table: target parameters not NUL-terminated [ 34.506985][ T1078] netlink: 'syz.0.287': attribute type 4 has an invalid length. [ 34.522914][ T1080] FAULT_INJECTION: forcing a failure. [ 34.522914][ T1080] name failslab, interval 1, probability 0, space 0, times 0 [ 34.535907][ T1080] CPU: 0 UID: 0 PID: 1080 Comm: syz.2.289 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 34.535942][ T1080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 34.535955][ T1080] Call Trace: [ 34.535961][ T1080] [ 34.535969][ T1080] __dump_stack+0x21/0x30 [ 34.535993][ T1080] dump_stack_lvl+0x140/0x1c0 [ 34.536011][ T1080] ? __cfi_dump_stack_lvl+0x10/0x10 [ 34.536031][ T1080] dump_stack+0x19/0x20 [ 34.536045][ T1080] should_fail_ex+0x3c2/0x510 [ 34.536070][ T1080] should_failslab+0xac/0x100 [ 34.536090][ T1080] __kmalloc_cache_noprof+0x41/0x470 [ 34.536116][ T1080] ? nd_alloc_stack+0x90/0x200 [ 34.536138][ T1080] ? avc_has_perm_noaudit+0x26b/0x360 [ 34.536156][ T1080] nd_alloc_stack+0x90/0x200 [ 34.536178][ T1080] pick_link+0xc5e/0xe80 [ 34.536203][ T1080] step_into+0xc33/0xf10 [ 34.536227][ T1080] ? set_root+0x420/0x420 [ 34.536250][ T1080] ? lookup_fast+0xb7/0x540 [ 34.536275][ T1080] ? inode_permission+0xf3/0x4c0 [ 34.536293][ T1080] link_path_walk+0x746/0xeb0 [ 34.536321][ T1080] path_lookupat+0x8d/0x440 [ 34.536339][ T1080] filename_lookup+0x22d/0x5a0 [ 34.536358][ T1080] ? __cfi_filename_lookup+0x10/0x10 [ 34.536376][ T1080] ? check_stack_object+0x81/0x150 [ 34.536404][ T1080] ? strncpy_from_user+0x14f/0x280 [ 34.536430][ T1080] ? __kasan_check_write+0x18/0x20 [ 34.536455][ T1080] ? getname_flags+0x203/0x6b0 [ 34.536473][ T1080] user_path_at+0x42/0x60 [ 34.536503][ T1080] __se_sys_mount+0x28a/0x480 [ 34.536531][ T1080] ? __x64_sys_mount+0xf0/0xf0 [ 34.536559][ T1080] ? __kasan_check_write+0x18/0x20 [ 34.536584][ T1080] ? fpregs_restore_userregs+0x11c/0x260 [ 34.536611][ T1080] __x64_sys_mount+0xc3/0xf0 [ 34.536638][ T1080] x64_sys_call+0x2021/0x2ee0 [ 34.536658][ T1080] do_syscall_64+0x57/0xf0 [ 34.536677][ T1080] ? clear_bhb_loop+0x50/0xa0 [ 34.536700][ T1080] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 34.536722][ T1080] RIP: 0033:0x7f4c3359f559 [ 34.536738][ T1080] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 34.536753][ T1080] RSP: 002b:00007f4c34488028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.536774][ T1080] RAX: ffffffffffffffda RBX: 00007f4c33825fa0 RCX: 00007f4c3359f559 [ 34.536789][ T1080] RDX: 0000000000000000 RSI: 0000200000001000 RDI: 0000000000000000 [ 34.536802][ T1080] RBP: 00007f4c33636b50 R08: 0000200000001040 R09: 0000000000000000 [ 34.536815][ T1080] R10: 0000000000100422 R11: 0000000000000246 R12: 0000000000000000 [ 34.536828][ T1080] R13: 00007f4c33826038 R14: 00007f4c33825fa0 R15: 00007ffd37b70fd8 [ 34.536845][ T1080] [ 34.837280][ T1094] device-mapper: table: 252:1: striped: Target length not divisible by chunk size (-EINVAL) [ 34.847816][ T1094] device-mapper: ioctl: error adding target to table [ 34.950986][ T1119] bridge0: port 3(syz_tun) entered blocking state [ 34.957516][ T1119] bridge0: port 3(syz_tun) entered disabled state [ 34.964071][ T1119] syz_tun: entered allmulticast mode [ 34.969960][ T1119] syz_tun: entered promiscuous mode [ 34.975263][ T1119] bridge0: port 3(syz_tun) entered blocking state [ 34.981690][ T1119] bridge0: port 3(syz_tun) entered forwarding state [ 35.181278][ T1153] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 35.190646][ T1153] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 35.577751][ T1166] bridge0: port 3(syz_tun) entered disabled state [ 35.585389][ T1166] syz_tun (unregistering): left allmulticast mode [ 35.591813][ T1166] syz_tun (unregistering): left promiscuous mode [ 35.598369][ T1166] bridge0: port 3(syz_tun) entered disabled state [ 35.641182][ T46] bridge_slave_1: left allmulticast mode [ 35.652423][ T46] bridge_slave_1: left promiscuous mode [ 35.658214][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.668461][ T46] bridge_slave_0: left allmulticast mode [ 35.678109][ T46] bridge_slave_0: left promiscuous mode [ 35.684672][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.801857][ T46] tipc: Disabling bearer [ 35.807355][ T46] tipc: Left network mode [ 35.813971][ T46] veth1_macvtap: left promiscuous mode [ 35.821317][ T46] veth0_vlan: left promiscuous mode [ 35.909657][ T1193] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.916799][ T1193] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.923980][ T1193] bridge_slave_0: entered allmulticast mode [ 35.930724][ T1193] bridge_slave_0: entered promiscuous mode [ 35.937377][ T1193] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.944521][ T1193] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.951660][ T1193] bridge_slave_1: entered allmulticast mode [ 35.958071][ T1193] bridge_slave_1: entered promiscuous mode [ 36.009114][ T1193] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.016203][ T1193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.023498][ T1193] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.030521][ T1193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.049878][ T297] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.057503][ T297] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.067379][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.074460][ T425] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.083629][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.090726][ T297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.115301][ T1193] veth0_vlan: entered promiscuous mode [ 36.126071][ T1193] veth1_macvtap: entered promiscuous mode [ 36.242470][ T10] usb 4-1: new full-speed USB device number 4 using dummy_hcd [ 36.396897][ T10] usb 4-1: not running at top speed; connect to a high speed hub [ 36.408372][ T10] usb 4-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 36.428422][ T10] usb 4-1: New USB device found, idVendor=046d, idProduct=0825, bcdDevice= 1.00 [ 36.437969][ T10] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.456539][ T10] usb 4-1: Found UVC 1.00 device (046d:0825) [ 36.473359][ T1246] FAULT_INJECTION: forcing a failure. [ 36.473359][ T1246] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 36.486491][ T1246] CPU: 1 UID: 0 PID: 1246 Comm: syz.0.361 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 36.486524][ T1246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 36.486537][ T1246] Call Trace: [ 36.486544][ T1246] [ 36.486552][ T1246] __dump_stack+0x21/0x30 [ 36.486575][ T1246] dump_stack_lvl+0x140/0x1c0 [ 36.486589][ T1246] ? __cfi_dump_stack_lvl+0x10/0x10 [ 36.486600][ T1246] ? check_stack_object+0x10f/0x150 [ 36.486616][ T1246] dump_stack+0x19/0x20 [ 36.486625][ T1246] should_fail_ex+0x3c2/0x510 [ 36.486649][ T1246] should_fail+0xf/0x20 [ 36.486673][ T1246] should_fail_usercopy+0x1e/0x30 [ 36.486691][ T1246] _copy_from_user+0x20/0xa0 [ 36.486711][ T1246] copy_clone_args_from_user+0x20c/0x740 [ 36.486732][ T1246] ? futex_wait+0x2b8/0x7c0 [ 36.486747][ T1246] ? __delayed_free_task+0x40/0x40 [ 36.486758][ T1246] __se_sys_clone3+0x143/0x360 [ 36.486771][ T1246] ? do_futex+0x32a/0x510 [ 36.486781][ T1246] ? __x64_sys_clone3+0x80/0x80 [ 36.486796][ T1246] ? __se_sys_futex+0x13c/0x320 [ 36.486811][ T1246] ? fput+0x1a4/0x230 [ 36.486833][ T1246] ? __kasan_check_write+0x18/0x20 [ 36.486858][ T1246] __x64_sys_clone3+0x5f/0x80 [ 36.486883][ T1246] x64_sys_call+0x28fc/0x2ee0 [ 36.486894][ T1246] do_syscall_64+0x57/0xf0 [ 36.486904][ T1246] ? clear_bhb_loop+0x50/0xa0 [ 36.486917][ T1246] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 36.486929][ T1246] RIP: 0033:0x7fd268b9f559 [ 36.486938][ T1246] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 36.486949][ T1246] RSP: 002b:00007fd269a83ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 36.486968][ T1246] RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007fd268b9f559 [ 36.486983][ T1246] RDX: 00007fd269a83f10 RSI: 0000000000000058 RDI: 00007fd269a83f10 [ 36.486996][ T1246] RBP: 00007fd268c36b50 R08: 0000000000000000 R09: 0000000000000058 [ 36.487009][ T1246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.487020][ T1246] R13: 00007fd268e26038 R14: 00007fd268e25fa0 R15: 00007ffc2026c9c8 [ 36.487037][ T1246] [ 36.655995][ T10] usb 4-1: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround. [ 36.719151][ T10] uvcvideo 4-1:1.1: Failed to query (129) UVC probe control : -71 (exp. 26). [ 36.728009][ T10] uvcvideo 4-1:1.1: Failed to initialize the device (-71). [ 36.737883][ T10] usb 4-1: USB disconnect, device number 4 [ 36.792506][ T312] usb 5-1: new full-speed USB device number 2 using dummy_hcd [ 36.944331][ T312] usb 5-1: config 0 interface 0 altsetting 21 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 36.957346][ T312] usb 5-1: config 0 interface 0 has no altsetting 0 [ 36.964637][ T312] usb 5-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.00 [ 36.973714][ T312] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.985470][ T312] usb 5-1: config 0 descriptor?? [ 37.400174][ T312] logitech 0003:046D:C294.0003: hidraw0: USB HID v10.01 Device [HID 046d:c294] on usb-dummy_hcd.4-1/input0 [ 37.400793][ T1334] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 37.422478][ T312] logitech 0003:046D:C294.0003: no inputs found [ 37.566567][ T36] kauditd_printk_skb: 27 callbacks suppressed [ 37.566583][ T36] audit: type=1400 audit(1793599197.748:299): avc: denied { mount } for pid=1345 comm="syz.0.378" name="/" dev="securityfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:security_t tclass=filesystem permissive=1 [ 37.606289][ T313] usb 5-1: USB disconnect, device number 2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [ 38.559638][ T1417] RDX: 00002000000001c0 RSI: 0000200000000180 RDI: 0000000000000000 [ 38.559650][ T1417] RBP: 00007f4c33636b50 R08: 0000000000000000 R09: 0000000000000000 [ 38.559661][ T1417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.559673][ T1417] R13: 00007f4c33826038 R14: 00007f4c33825fa0 R15: 00007ffd37b70fd8 [ 38.559688][ T1417] [ 38.703161][ T313] usblp 1-1:0.0: usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 3 vid 0x03F0 pid 0x6C17 [ 38.704769][ T1193] R13: 00007f7067235f93 R14: 0000000000009500 R15: 00007ffddf8cd8b0 [ 38.804017][ T1193] [ 38.807023][ T1193] ---[ end trace 0000000000000000 ]--- [ 38.812691][ T1193] ================================================================== [ 38.820771][ T1193] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 38.827001][ T1193] Write of size 4 at addr 0000000000000168 by task syz-executor/1193 [ 38.835053][ T1193] [ 38.837387][ T1193] CPU: 0 UID: 0 PID: 1193 Comm: syz-executor Tainted: G W syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 38.837419][ T1193] Tainted: [W]=WARN [ 38.837425][ T1193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 38.837436][ T1193] Call Trace: [ 38.837442][ T1193] [ 38.837449][ T1193] __dump_stack+0x21/0x30 [ 38.837470][ T1193] dump_stack_lvl+0x140/0x1c0 [ 38.837487][ T1193] ? __cfi_dump_stack_lvl+0x10/0x10 [ 38.837504][ T1193] print_report+0x3d/0x70 [ 38.837520][ T1193] kasan_report+0x162/0x1a0 [ 38.837539][ T1193] ? ihold+0x24/0x70 [ 38.837557][ T1193] ? ihold+0x24/0x70 [ 38.837572][ T1193] kasan_check_range+0x25a/0x2b0 [ 38.837589][ T1193] __kasan_check_write+0x18/0x20 [ 38.837610][ T1193] ihold+0x24/0x70 [ 38.837625][ T1193] vfs_rmdir+0x25c/0x560 [ 38.837645][ T1193] incfs_kill_sb+0x102/0x220 [ 38.837668][ T1193] deactivate_locked_super+0xd2/0x270 [ 38.837687][ T1193] deactivate_super+0xb8/0xe0 [ 38.837706][ T1193] cleanup_mnt+0x438/0x4d0 [ 38.837723][ T1193] __cleanup_mnt+0x1d/0x40 [ 38.837739][ T1193] task_work_run+0x1e8/0x260 [ 38.837762][ T1193] ? __cfi_task_work_run+0x10/0x10 [ 38.837784][ T1193] ? __x64_sys_umount+0x12e/0x180 [ 38.837806][ T1193] ? __cfi___x64_sys_umount+0x10/0x10 [ 38.837828][ T1193] ? __kasan_check_read+0x15/0x20 [ 38.837851][ T1193] resume_user_mode_work+0x35/0x50 [ 38.837869][ T1193] syscall_exit_to_user_mode+0x63/0xb0 [ 38.837892][ T1193] do_syscall_64+0x63/0xf0 [ 38.837907][ T1193] ? clear_bhb_loop+0x50/0xa0 [ 38.837927][ T1193] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 38.837947][ T1193] RIP: 0033:0x7f70671a0797 [ 38.837963][ T1193] Code: a2 c7 05 5c 9f 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 38.837978][ T1193] RSP: 002b:00007ffddf8cc728 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 38.837998][ T1193] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f70671a0797 [ 38.838010][ T1193] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffddf8cc7e0 [ 38.838021][ T1193] RBP: 00007ffddf8cc7e0 R08: 00007ffddf8cd7e0 R09: 00000000ffffffff [ 38.838034][ T1193] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddf8cd870 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 38.838045][ T1193] R13: 00007f7067235f93 R14: 0000000000009500 R15: 00007ffddf8cd8b0 [ 38.838060][ T1193] [ 38.838067][ T1193] ================================================================== syzkaller syzkaller login: [ 39.114245][ T1193] Disabling lock debugging due to kernel taint [ 39.118081][ T31] usb 3-1: USB disconnect, device number 2 [ 39.120439][ T1193] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 39.134023][ T1193] #PF: supervisor write access in kernel mode [ 39.140100][ T1193] #PF: error_code(0x0002) - not-present page [ 39.146084][ T1193] PGD 8000000133214067 P4D 8000000133214067 PUD 0 [ 39.152610][ T1193] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 39.158687][ T1193] CPU: 0 UID: 0 PID: 1193 Comm: syz-executor Tainted: G B W syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 39.171906][ T1193] Tainted: [B]=BAD_PAGE, [W]=WARN [ 39.176936][ T1193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 39.187000][ T1193] RIP: 0010:ihold+0x2a/0x70 [ 39.191527][ T1193] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 39.211141][ T1193] RSP: 0018:ffffc90010857cc8 EFLAGS: 00010246 [ 39.217211][ T1193] RAX: ffff8881217f2700 RBX: 0000000000000000 RCX: ffff8881217f2780 [ 39.225196][ T1193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.233173][ T1193] RBP: ffffc90010857cd8 R08: ffffffff893d7947 R09: 1ffffffff127af28 [ 39.241271][ T1193] R10: dffffc0000000000 R11: fffffbfff127af29 R12: 0000000000000000 [ 39.249259][ T1193] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 39.257229][ T1193] FS: 000055558625f500(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 39.266147][ T1193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.272813][ T1193] CR2: 0000000000000168 CR3: 000000010f67c000 CR4: 00000000003526b0 [ 39.280823][ T1193] Call Trace: [ 39.284100][ T1193] [ 39.287030][ T1193] vfs_rmdir+0x25c/0x560 [ 39.291303][ T1193] incfs_kill_sb+0x102/0x220 [ 39.295889][ T1193] deactivate_locked_super+0xd2/0x270 [ 39.301253][ T1193] deactivate_super+0xb8/0xe0 [ 39.305917][ T1193] cleanup_mnt+0x438/0x4d0 [ 39.310322][ T1193] __cleanup_mnt+0x1d/0x40 [ 39.314727][ T1193] task_work_run+0x1e8/0x260 [ 39.319403][ T1193] ? __cfi_task_work_run+0x10/0x10 [ 39.324599][ T1193] ? __x64_sys_umount+0x12e/0x180 [ 39.329620][ T1193] ? __cfi___x64_sys_umount+0x10/0x10 [ 39.334984][ T1193] ? __kasan_check_read+0x15/0x20 [ 39.340001][ T1193] resume_user_mode_work+0x35/0x50 [ 39.345106][ T1193] syscall_exit_to_user_mode+0x63/0xb0 [ 39.350558][ T1193] do_syscall_64+0x63/0xf0 [ 39.354961][ T1193] ? clear_bhb_loop+0x50/0xa0 [ 39.359627][ T1193] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 39.365507][ T1193] RIP: 0033:0x7f70671a0797 [ 39.370005][ T1193] Code: a2 c7 05 5c 9f 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 39.389605][ T1193] RSP: 002b:00007ffddf8cc728 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 39.398014][ T1193] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f70671a0797 [ 39.405980][ T1193] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffddf8cc7e0 [ 39.413942][ T1193] RBP: 00007ffddf8cc7e0 R08: 00007ffddf8cd7e0 R09: 00000000ffffffff [ 39.421906][ T1193] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddf8cd870 [ 39.429875][ T1193] R13: 00007f7067235f93 R14: 0000000000009500 R15: 00007ffddf8cd8b0 [ 39.437852][ T1193] [ 39.440863][ T1193] Modules linked in: [ 39.444756][ T1193] CR2: 0000000000000168 [ 39.448892][ T1193] ---[ end trace 0000000000000000 ]--- [ 39.454429][ T1193] RIP: 0010:ihold+0x2a/0x70 [ 39.458929][ T1193] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 39.478576][ T1193] RSP: 0018:ffffc90010857cc8 EFLAGS: 00010246 [ 39.484645][ T1193] RAX: ffff8881217f2700 RBX: 0000000000000000 RCX: ffff8881217f2780 [ 39.492607][ T1193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.500568][ T1193] RBP: ffffc90010857cd8 R08: ffffffff893d7947 R09: 1ffffffff127af28 [ 39.508528][ T1193] R10: dffffc0000000000 R11: fffffbfff127af29 R12: 0000000000000000 [ 39.516484][ T1193] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 39.524444][ T1193] FS: 000055558625f500(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 39.533360][ T1193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.539934][ T1193] CR2: 0000000000000168 CR3: 000000010f67c000 CR4: 00000000003526b0 [ 39.547897][ T1193] Kernel panic - not syncing: Fatal exception [ 39.554077][ T1193] Kernel Offset: disabled [ 39.558387][ T1193] Rebooting in 86400 seconds..