last executing test programs: 1m16.559629447s ago: executing program 3 (id=47549): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r2, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) sendmmsg$inet6(r0, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r3, 0x0, 0x0, 0x805, 0x0, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r4, &(0x7f00000002c0), 0x0, 0x4) getgroups(0x7, &(0x7f0000000480)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]) 1m16.524024s ago: executing program 3 (id=47551): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r3, &(0x7f0000005800), 0x0, 0x8014) io_pgetevents(0x0, 0x1, 0x0, 0x0, 0x0, 0x0) syz_usb_connect$hid(0x2, 0x36, &(0x7f0000000100)=ANY=[@ANYBLOB="1201000000000040de280211000000000001090224"], 0x0) 1m15.318723871s ago: executing program 3 (id=47579): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) r2 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000500), 0x16b042, 0x0) ioctl$ASHMEM_SET_SIZE(r2, 0x40087703, 0xfffffff3) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r2, 0x0) 1m15.265246366s ago: executing program 3 (id=47580): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r2, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x12c5008, 0x0) mount$bind(0x0, &(0x7f00000003c0)='./file0/file0\x00', 0x0, 0x80000, 0x0) 1m15.22447277s ago: executing program 3 (id=47581): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r2, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) write(r0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$BLKTRACESETUP(r1, 0xc0481273, &(0x7f00000000c0)={'\x00', 0xd999, 0xed7, 0x5, 0x1000, 0x405, 0xffffffffffffffff}) syz_open_procfs(r3, &(0x7f0000000140)='net/raw\x00') fcntl$addseals(0xffffffffffffffff, 0x409, 0x7) write(0xffffffffffffffff, &(0x7f0000000200)="44e7", 0x2) 1m15.103425752s ago: executing program 3 (id=47582): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuacct.usage_sys\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r2, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') 1m15.009712602s ago: executing program 32 (id=47582): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuacct.usage_sys\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r2, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') 1.642339397s ago: executing program 4 (id=49251): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r5, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_freeze_timeout', 0x82802, 0xf) r6 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r6, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r6, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 1.578659663s ago: executing program 2 (id=49253): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x40004) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r3, &(0x7f0000000440)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r5, &(0x7f00000009c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x19) 1.577852693s ago: executing program 4 (id=49254): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r4, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) 1.11201496s ago: executing program 1 (id=49257): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r5, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 1.074228673s ago: executing program 1 (id=49258): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_freeze_timeout', 0x82802, 0xf) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r5, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 1.00871162s ago: executing program 1 (id=49259): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x40004) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r3, &(0x7f0000000440)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x19) 962.910874ms ago: executing program 1 (id=49261): mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000040)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r2, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) write(r0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) getresgid(&(0x7f00000002c0), 0x0, 0x0) rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r5, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r5, @ANYRES64=r4], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r5, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r6 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r6, 0x0, 0x0, 0x805, 0x0, 0x0) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r7, &(0x7f0000000440)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r8, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) 961.528344ms ago: executing program 1 (id=49263): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r5, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$UHID_CREATE2(r7, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r7, @ANYRES64=r6], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r7, 0x0) r8 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r8, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r8, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 594.737061ms ago: executing program 2 (id=49265): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r2, &(0x7f0000000440)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f00000009c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x19) 594.434241ms ago: executing program 4 (id=49266): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r5, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 343.309246ms ago: executing program 0 (id=49270): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) (async, rerun: 64) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) (rerun: 64) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) (async) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r2, &(0x7f0000000000)={0x1f, 0x0, @any, 0x0, 0x1}, 0xe) (async) ioctl$KDDELIO(r1, 0x4b35, 0x6) recvfrom(r2, 0x0, 0x62, 0x40000160, 0x0, 0x0) (async) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r3, 0x0, 0x0, 0x20040803, 0x0, 0x0) (async) sendto$inet(r3, 0x0, 0x0, 0x80, 0x0, 0x0) (async) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) (async) sendmmsg$inet6(r4, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) (async) setsockopt$ARPT_SO_SET_REPLACE(r3, 0x0, 0x60, &(0x7f0000000380)={'filter\x00', 0x7, 0x4, 0x4f0, 0x2f8, 0x2f8, 0x0, 0x408, 0x408, 0x408, 0x4, 0x0, {[{{@arp={@rand_addr=0x64010102, @private=0xa010100, 0xffff7f, 0xffffffff, 0x4, 0xb, {@mac=@local, {[0xff, 0xff, 0x0, 0xff, 0xff, 0xff]}}, {@empty, {[0x0, 0x0, 0x0, 0x0, 0xff]}}, 0x9, 0xffff, 0x1752, 0x2623, 0x8001, 0xf000, 'hsr0\x00', 'vxcan1\x00', {0xff}, {0xff}, 0x0, 0x1}, 0xc0, 0x1e8}, @unspec=@SECMARK={0x128, 'SECMARK\x00', 0x0, {0x1, 0xfff, 'system_u:object_r:file_context_t:s0\x00'}}}, {{@uncond, 0xc0, 0x110}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@remote, @empty, @dev={0xac, 0x14, 0x14, 0x13}, @rand_addr=0x64010101, 0x8, 0xffffffff}}}, {{@arp={@empty, @empty, 0xffffff00, 0xff, 0x4, 0x10, {@empty, {[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}, {@empty, {[0xff]}}, 0x5, 0x26, 0x7, 0x1, 0x4, 0x1, 'veth1_to_bridge\x00', 'veth0_macvtap\x00', {}, {0xff}, 0x0, 0x300}, 0xc0, 0x110}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@random="abf5efb03c3c", @empty, @empty, @loopback, 0x4}}}], {{'\x00', 0xc0, 0xe8}, {0x28}}}}, 0x540) 218.894929ms ago: executing program 1 (id=49271): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, 0x0) sendmmsg$inet6(r0, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) sendto$inet(r2, 0x0, 0x0, 0x80, 0x0, 0x0) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r3) ptrace$getregset(0x4205, r3, 0x1, 0x0) 218.490009ms ago: executing program 0 (id=49272): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='cpuacct.usage_percpu\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r5, 0x0) r6 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r6, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 218.151429ms ago: executing program 2 (id=49273): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r5, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='cpuacct.usage_percpu\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r6, 0x0) r7 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r7, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 179.843803ms ago: executing program 0 (id=49274): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) sendmmsg$inet6(r0, 0x0, 0x0, 0x4) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) sendto$inet(r2, 0x0, 0x0, 0x80, 0x0, 0x0) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r3) ptrace$PTRACE_SETSIGMASK(0x420b, r3, 0x0, 0x0) 175.393143ms ago: executing program 4 (id=49275): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r2, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000003c00), 0x0, 0x4) r5 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r5, &(0x7f0000000080)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r5, 0x0, 0x0, 0x10000800, &(0x7f0000e68000)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x44}}, 0x10) writev(r5, &(0x7f0000000b80)=[{0x0}, {0x0}, {&(0x7f0000000200)="c6d9", 0x2}], 0x3) 158.642045ms ago: executing program 2 (id=49276): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r1, 0x0, 0x0, 0x805, 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r2, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r3, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r3, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) 125.375038ms ago: executing program 4 (id=49277): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='cpuacct.usage_percpu\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r4, 0x0) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) 113.087079ms ago: executing program 2 (id=49278): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) sendmmsg$inet6(r0, &(0x7f0000003c00), 0x0, 0x4) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) sendto$inet(r2, 0x0, 0x0, 0x80, 0x0, 0x0) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r3) ptrace$PTRACE_SETSIGMASK(0x420b, r3, 0x0, 0x0) 89.934122ms ago: executing program 4 (id=49279): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r0, @ANYRES64], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r0, 0x0) ioctl$KVM_X86_SETUP_MCE(r0, 0x4008ae9c, &(0x7f0000000100)={0x1c, 0x526d630517582f22, 0x4}) write(r0, 0x0, 0xfd46086300e55d93) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f24, 0x4}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r1, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r3, @ANYRES64=r2], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(r0, 0x4008ae9c, &(0x7f0000000000)={0x1d, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r4, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(r6, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) sendmmsg$inet6(r5, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r7 = fsopen(&(0x7f0000000040)='cgroup2\x00', 0x0) r8 = syz_genetlink_get_family_id$mptcp(&(0x7f00000001c0), r0) sendmsg$MPTCP_PM_CMD_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="000000006e621674684edfb9dd8247915742f9fae6d1ad96ad0d22059cd04ef021b2bbd12a43bc4274eba339685404f10b7cb29be97da5ee8b66803a360bb7a7f417c524783d4d10c4869f11f8a0bee6bae9760e3fe0e5cf5be5d1818d799564ae96b67aa7411541f7ac00", @ANYRES16=r8, @ANYBLOB="20002abd7000fedbdf25090000000500050003000000080003000000000008000400010000000800020001000000"], 0x34}, 0x1, 0x0, 0x0, 0x40}, 0x4000080) fsmount(r7, 0x0, 0x0) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r9, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r10 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r10, &(0x7f0000000080)={0x2, 0x4e23, @local}, 0x10) 89.317012ms ago: executing program 0 (id=49280): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r0, 0x0, 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r1, 0x0, 0x0, 0x805, 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r2, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) 33.531767ms ago: executing program 2 (id=49281): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) (async) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0xdc000006, 0x0, {[0x1]}}, 0x0, 0x8, &(0x7f0000000300)) (async) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) (async) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$UHID_CREATE2(r2, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r2, @ANYRES64=r1], 0x118) (async) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r2, 0x0) (async, rerun: 32) ioctl$KVM_X86_SETUP_MCE(r2, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) (async, rerun: 32) sendmmsg$inet6(r1, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) (async) r3 = memfd_secret(0x80000) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x13, r3, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r4, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r4, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r4, 0x0) ioctl$KVM_X86_SETUP_MCE(r4, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) sendmmsg$inet6(r0, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) socket$inet6_tcp(0xa, 0x1, 0x0) (async, rerun: 32) rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) (async, rerun: 32) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) (async) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r6, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r6, @ANYRES64=r5], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5d114b6e, 0x30, r6, 0x62c6000) (async) ioctl$KVM_X86_SETUP_MCE(r6, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f25, 0x4}) (async) sendmmsg$inet6(r5, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) (async) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) sendmmsg$inet6(r7, &(0x7f0000003c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r8, 0x6, 0x1d, 0x0, 0x0) 32.737407ms ago: executing program 0 (id=49282): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x2]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f26, 0x4}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x1c, 0x526d630517582f27, 0x4}) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, 0x0) 0s ago: executing program 0 (id=49283): rt_sigaction(0xd, &(0x7f0000000180)={&(0x7f0000000000)="ca00d1c441ef196ec866400fe2de0fae4e0afaf2466ff00fc01ec422e10399c5c1202063df", 0x44000004, 0x0, {[0x24000]}}, 0x0, 0x8, &(0x7f0000000300)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.group_wait_time\x00', 0x275a, 0x0) write$UHID_CREATE2(r1, &(0x7f0000000340)=ANY=[@ANYRES32, @ANYRES8, @ANYRES8=r1, @ANYRES64=r0], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x88fd537e5c114b6e, 0x11, r1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r2, 0x0, 0x0, 0x805, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r3, &(0x7f0000005800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8014) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmmsg$inet6(r4, &(0x7f0000000500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x4) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000000)={@multicast1, @local}, 0xc) getsockopt$inet_buf(r5, 0x0, 0x29, &(0x7f0000000000)=""/145, &(0x7f0000695ffc)=0x24b) kernel console output (not intermixed with test programs): f8f6c9 code=0x7ffc0000 [ 1628.640841][ T36] audit: type=1326 audit(1763223989.666:297): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=24540 comm="syz.1.43253" exe="/root/syz-executor" sig=0 arch=c000003e syscall=257 compat=0 ip=0x7f9376f8f6c9 code=0x7ffc0000 [ 1628.665316][ T36] audit: type=1326 audit(1763223989.666:298): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=24540 comm="syz.1.43253" exe="/root/syz-executor" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9376f8f6c9 code=0x7ffc0000 [ 1628.689241][ T36] audit: type=1326 audit(1763223989.666:299): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=24540 comm="syz.1.43253" exe="/root/syz-executor" sig=0 arch=c000003e syscall=319 compat=0 ip=0x7f9376f8f6c9 code=0x7ffc0000 [ 1628.779457][T21917] usb 2-1: new high-speed USB device number 104 using dummy_hcd [ 1628.929442][T21917] usb 2-1: Using ep0 maxpacket: 8 [ 1628.935715][T21917] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1628.944235][T21917] usb 2-1: config 0 has no interface number 0 [ 1628.952110][T21917] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1628.961662][T21917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1628.969981][T21917] usb 2-1: Product: syz [ 1628.974262][T21917] usb 2-1: Manufacturer: syz [ 1628.979050][T21917] usb 2-1: SerialNumber: syz [ 1628.985329][T21917] usb 2-1: config 0 descriptor?? [ 1629.195639][T21917] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1629.202535][T21917] usb 2-1: No streaming interface found for terminal 6. [ 1629.209862][T21917] usb 2-1: Failed to create links for entity 5 [ 1629.216175][T21917] usb 2-1: Failed to register entities (-22). [ 1629.227793][T21917] usb 2-1: USB disconnect, device number 104 [ 1629.849074][T24651] FAULT_INJECTION: forcing a failure. [ 1629.849074][T24651] name failslab, interval 1, probability 0, space 0, times 0 [ 1629.861972][T24651] CPU: 0 UID: 0 PID: 24651 Comm: syz.1.43306 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1629.862011][T24651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1629.862027][T24651] Call Trace: [ 1629.862035][T24651] [ 1629.862045][T24651] __dump_stack+0x21/0x30 [ 1629.862083][T24651] dump_stack_lvl+0x10c/0x190 [ 1629.862114][T24651] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1629.862145][T24651] ? __kasan_check_write+0x18/0x20 [ 1629.862180][T24651] ? proc_fail_nth_write+0x17e/0x210 [ 1629.862211][T24651] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1629.862242][T24651] dump_stack+0x19/0x20 [ 1629.862271][T24651] should_fail_ex+0x3d9/0x530 [ 1629.862295][T24651] should_failslab+0xac/0x100 [ 1629.862320][T24651] kmem_cache_alloc_noprof+0x42/0x430 [ 1629.862343][T24651] ? getname_flags+0xc6/0x710 [ 1629.862367][T24651] getname_flags+0xc6/0x710 [ 1629.862389][T24651] ? build_open_flags+0x487/0x600 [ 1629.862419][T24651] getname+0x1b/0x30 [ 1629.862440][T24651] do_sys_openat2+0xcb/0x1c0 [ 1629.862469][T24651] ? fput+0x1a5/0x240 [ 1629.862495][T24651] ? do_sys_open+0x100/0x100 [ 1629.862522][T24651] ? ksys_write+0x1ef/0x250 [ 1629.862542][T24651] ? __cfi_ksys_write+0x10/0x10 [ 1629.862561][T24651] __x64_sys_openat+0x13a/0x170 [ 1629.862592][T24651] x64_sys_call+0xe69/0x2ee0 [ 1629.862623][T24651] do_syscall_64+0x58/0xf0 [ 1629.862652][T24651] ? clear_bhb_loop+0x50/0xa0 [ 1629.862676][T24651] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1629.862701][T24651] RIP: 0033:0x7f9376f8f6c9 [ 1629.862720][T24651] 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 [ 1629.862741][T24651] RSP: 002b:00007f9377e0b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1629.862764][T24651] RAX: ffffffffffffffda RBX: 00007f93771e5fa0 RCX: 00007f9376f8f6c9 [ 1629.862782][T24651] RDX: 000000000000275a RSI: 0000200000000280 RDI: ffffffffffffff9c [ 1629.862799][T24651] RBP: 00007f9377e0b090 R08: 0000000000000000 R09: 0000000000000000 [ 1629.862813][T24651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1629.862826][T24651] R13: 00007f93771e6038 R14: 00007f93771e5fa0 R15: 00007ffec5e55368 [ 1629.862845][T24651] [ 1630.571598][T28870] bridge_slave_1: left allmulticast mode [ 1630.585500][T28870] bridge_slave_1: left promiscuous mode [ 1630.595287][T28870] bridge0: port 2(bridge_slave_1) entered disabled state [ 1630.612025][T28870] bridge_slave_0: left allmulticast mode [ 1630.623321][T28870] bridge_slave_0: left promiscuous mode [ 1630.639429][T28870] bridge0: port 1(bridge_slave_0) entered disabled state [ 1630.792990][T28870] veth1_macvtap: left promiscuous mode [ 1630.798594][T28870] veth0_vlan: left promiscuous mode [ 1631.021573][T24679] bridge0: port 1(bridge_slave_0) entered blocking state [ 1631.028685][T24679] bridge0: port 1(bridge_slave_0) entered disabled state [ 1631.048056][T24679] bridge_slave_0: entered allmulticast mode [ 1631.056748][T24679] bridge_slave_0: entered promiscuous mode [ 1631.066573][T24679] bridge0: port 2(bridge_slave_1) entered blocking state [ 1631.090133][T24679] bridge0: port 2(bridge_slave_1) entered disabled state [ 1631.097273][T24679] bridge_slave_1: entered allmulticast mode [ 1631.121105][T24679] bridge_slave_1: entered promiscuous mode [ 1631.280110][T24679] bridge0: port 2(bridge_slave_1) entered blocking state [ 1631.287253][T24679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1631.294704][T24679] bridge0: port 1(bridge_slave_0) entered blocking state [ 1631.301808][T24679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1631.329837][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1631.337318][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1631.348105][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 1631.355297][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1631.365419][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 1631.372582][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1631.432928][T24679] veth0_vlan: entered promiscuous mode [ 1631.459515][T24679] veth1_macvtap: entered promiscuous mode [ 1631.936375][T24748] 9pnet_fd: Insufficient options for proto=fd [ 1632.054018][T24770] 9pnet_fd: Insufficient options for proto=fd [ 1632.079338][T21917] usb 4-1: new high-speed USB device number 115 using dummy_hcd [ 1632.229262][T21917] usb 4-1: Using ep0 maxpacket: 8 [ 1632.240545][T21917] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1632.249014][T21917] usb 4-1: config 0 has no interface number 0 [ 1632.257217][T21917] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1632.271992][T21917] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1632.280436][T21917] usb 4-1: Product: syz [ 1632.286318][T21917] usb 4-1: Manufacturer: syz [ 1632.294856][T21917] usb 4-1: SerialNumber: syz [ 1632.306971][T21917] usb 4-1: config 0 descriptor?? [ 1632.514789][T21917] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1632.532130][T21917] usb 4-1: No streaming interface found for terminal 6. [ 1632.547203][T21917] usb 4-1: Failed to create links for entity 5 [ 1632.559259][T21917] usb 4-1: Failed to register entities (-22). [ 1632.579364][T21917] usb 4-1: USB disconnect, device number 115 [ 1633.624217][T24902] bridge0: port 1(bridge_slave_0) entered blocking state [ 1633.631629][T24902] bridge0: port 1(bridge_slave_0) entered disabled state [ 1633.638919][T24902] bridge_slave_0: entered allmulticast mode [ 1633.645683][T24902] bridge_slave_0: entered promiscuous mode [ 1633.654846][T24902] bridge0: port 2(bridge_slave_1) entered blocking state [ 1633.662154][T24902] bridge0: port 2(bridge_slave_1) entered disabled state [ 1633.670054][T24902] bridge_slave_1: entered allmulticast mode [ 1633.676527][T24902] bridge_slave_1: entered promiscuous mode [ 1633.683143][ T13] bridge_slave_1: left allmulticast mode [ 1633.689347][ T13] bridge_slave_1: left promiscuous mode [ 1633.695032][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1633.707764][ T13] bridge_slave_0: left allmulticast mode [ 1633.714920][ T13] bridge_slave_0: left promiscuous mode [ 1633.721032][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1633.860600][ T13] veth1_macvtap: left promiscuous mode [ 1633.866644][ T13] veth0_vlan: left promiscuous mode [ 1634.001787][T24902] bridge0: port 2(bridge_slave_1) entered blocking state [ 1634.008924][T24902] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1634.016302][T24902] bridge0: port 1(bridge_slave_0) entered blocking state [ 1634.023400][T24902] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1634.068825][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1634.087177][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1634.099898][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 1634.107001][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1634.128398][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 1634.135524][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1634.190535][T24902] veth0_vlan: entered promiscuous mode [ 1634.209128][T24902] veth1_macvtap: entered promiscuous mode [ 1634.364054][T24968] 9pnet_fd: Insufficient options for proto=fd [ 1634.889536][T21917] usb 3-1: new high-speed USB device number 104 using dummy_hcd [ 1634.899177][ T10] usb 2-1: new high-speed USB device number 105 using dummy_hcd [ 1635.039112][T21917] usb 3-1: Using ep0 maxpacket: 8 [ 1635.045516][T21917] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1635.053971][T21917] usb 3-1: config 0 has no interface number 0 [ 1635.062653][T21917] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1635.069157][ T10] usb 2-1: Using ep0 maxpacket: 8 [ 1635.072753][T21917] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1635.085749][T21917] usb 3-1: Product: syz [ 1635.090174][T21917] usb 3-1: Manufacturer: syz [ 1635.090466][ T10] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1635.094857][T21917] usb 3-1: SerialNumber: syz [ 1635.107726][ T10] usb 2-1: config 0 has no interface number 0 [ 1635.109216][T21917] usb 3-1: config 0 descriptor?? [ 1635.120585][ T10] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1635.130049][ T10] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1635.138182][ T10] usb 2-1: Product: syz [ 1635.142468][ T10] usb 2-1: Manufacturer: syz [ 1635.147099][ T10] usb 2-1: SerialNumber: syz [ 1635.157368][ T10] usb 2-1: config 0 descriptor?? [ 1635.324443][T21917] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1635.339130][T21917] usb 3-1: No streaming interface found for terminal 6. [ 1635.353603][T21917] usb 3-1: Failed to create links for entity 5 [ 1635.366395][ T10] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1635.369097][T21917] usb 3-1: Failed to register entities (-22). [ 1635.379136][ T10] usb 2-1: No streaming interface found for terminal 6. [ 1635.390308][T21917] usb 3-1: USB disconnect, device number 104 [ 1635.396465][ T10] usb 2-1: Failed to create links for entity 5 [ 1635.405537][ T10] usb 2-1: Failed to register entities (-22). [ 1635.429225][ T10] usb 2-1: USB disconnect, device number 105 [ 1638.519065][T21917] usb 3-1: new high-speed USB device number 105 using dummy_hcd [ 1638.669858][T21917] usb 3-1: Using ep0 maxpacket: 8 [ 1638.681461][T21917] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1638.708901][T21917] usb 3-1: config 0 has no interface number 0 [ 1638.722416][T21917] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1638.749331][T21917] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1638.758028][T21917] usb 3-1: Product: syz [ 1638.769733][T21917] usb 3-1: Manufacturer: syz [ 1638.778919][T21917] usb 3-1: SerialNumber: syz [ 1638.798676][T21917] usb 3-1: config 0 descriptor?? [ 1639.015364][T21917] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1639.028947][T21917] usb 3-1: No streaming interface found for terminal 6. [ 1639.038913][T21917] usb 3-1: Failed to create links for entity 5 [ 1639.045172][T21917] usb 3-1: Failed to register entities (-22). [ 1639.073834][T21917] usb 3-1: USB disconnect, device number 105 [ 1639.508913][T16463] usb 2-1: new high-speed USB device number 106 using dummy_hcd [ 1639.678883][T16463] usb 2-1: Using ep0 maxpacket: 8 [ 1639.685388][T16463] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1639.694022][T16463] usb 2-1: config 0 has no interface number 0 [ 1639.702134][T16463] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1639.712292][T16463] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1639.720665][T16463] usb 2-1: Product: syz [ 1639.725058][T16463] usb 2-1: Manufacturer: syz [ 1639.730054][T16463] usb 2-1: SerialNumber: syz [ 1639.735740][T16463] usb 2-1: config 0 descriptor?? [ 1639.768929][ T3357] usb 3-1: new high-speed USB device number 106 using dummy_hcd [ 1639.928911][ T3357] usb 3-1: Using ep0 maxpacket: 8 [ 1639.935612][ T3357] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1639.945973][ T3357] usb 3-1: config 0 has no interface number 0 [ 1639.954165][T16463] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1639.961036][T16463] usb 2-1: No streaming interface found for terminal 6. [ 1639.968349][T16463] usb 2-1: Failed to create links for entity 5 [ 1639.975136][ T3357] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1639.984476][ T3357] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1639.992841][T16463] usb 2-1: Failed to register entities (-22). [ 1639.999265][ T3357] usb 3-1: Product: syz [ 1640.005063][T16463] usb 2-1: USB disconnect, device number 106 [ 1640.011354][ T3357] usb 3-1: Manufacturer: syz [ 1640.017128][ T3357] usb 3-1: SerialNumber: syz [ 1640.024734][ T3357] usb 3-1: config 0 descriptor?? [ 1640.238232][ T3357] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1640.245640][ T3357] usb 3-1: No streaming interface found for terminal 6. [ 1640.252973][ T3357] usb 3-1: Failed to create links for entity 5 [ 1640.266699][ T3357] usb 3-1: Failed to register entities (-22). [ 1640.280522][ T3357] usb 3-1: USB disconnect, device number 106 [ 1641.458758][T21917] usb 2-1: new full-speed USB device number 107 using dummy_hcd [ 1641.619865][T21917] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1641.632909][T21917] usb 2-1: config 0 has no interfaces? [ 1641.639685][T21917] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1641.649796][T21917] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1641.671447][T21917] usb 2-1: config 0 descriptor?? [ 1641.881090][T21917] usb 2-1: USB disconnect, device number 107 [ 1642.818674][T21917] usb 2-1: new high-speed USB device number 108 using dummy_hcd [ 1642.968669][T21917] usb 2-1: Using ep0 maxpacket: 8 [ 1642.975039][T21917] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1642.983643][T21917] usb 2-1: config 0 has no interface number 0 [ 1642.993351][T21917] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1643.003060][T21917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1643.011491][T21917] usb 2-1: Product: syz [ 1643.015991][T21917] usb 2-1: Manufacturer: syz [ 1643.020878][T21917] usb 2-1: SerialNumber: syz [ 1643.027995][T21917] usb 2-1: config 0 descriptor?? [ 1643.128714][T23150] usb 3-1: new full-speed USB device number 107 using dummy_hcd [ 1643.239372][T21917] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1643.246516][T21917] usb 2-1: No streaming interface found for terminal 6. [ 1643.259337][T21917] usb 2-1: Failed to create links for entity 5 [ 1643.266204][T21917] usb 2-1: Failed to register entities (-22). [ 1643.280330][T21917] usb 2-1: USB disconnect, device number 108 [ 1643.289106][T23150] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1643.313230][T23150] usb 3-1: config 0 has no interfaces? [ 1643.324542][T23150] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1643.334441][T23150] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1643.347448][T23150] usb 3-1: config 0 descriptor?? [ 1643.556766][ T3357] usb 3-1: USB disconnect, device number 107 [ 1651.788202][ T3357] usb 3-1: new high-speed USB device number 108 using dummy_hcd [ 1651.938165][ T3357] usb 3-1: Using ep0 maxpacket: 8 [ 1651.944488][ T3357] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1651.953025][ T3357] usb 3-1: config 0 has no interface number 0 [ 1651.960995][ T3357] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1651.970440][ T3357] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1651.978878][ T3357] usb 3-1: Product: syz [ 1651.983256][ T3357] usb 3-1: Manufacturer: syz [ 1651.988016][ T3357] usb 3-1: SerialNumber: syz [ 1651.994009][ T3357] usb 3-1: config 0 descriptor?? [ 1652.206530][ T3357] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1652.213408][ T3357] usb 3-1: No streaming interface found for terminal 6. [ 1652.220925][ T3357] usb 3-1: Failed to create links for entity 5 [ 1652.227308][ T3357] usb 3-1: Failed to register entities (-22). [ 1652.238341][ T3357] usb 3-1: USB disconnect, device number 108 [ 1652.664199][T25766] 9pnet_fd: Insufficient options for proto=fd [ 1652.782427][T25785] 9pnet_fd: Insufficient options for proto=fd [ 1652.906072][ T13] bridge_slave_1: left allmulticast mode [ 1652.918097][ T13] bridge_slave_1: left promiscuous mode [ 1652.928180][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1652.940068][ T13] bridge_slave_0: left allmulticast mode [ 1652.955567][ T13] bridge_slave_0: left promiscuous mode [ 1652.961462][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1653.073472][ T13] veth1_macvtap: left promiscuous mode [ 1653.083386][ T13] veth0_vlan: left promiscuous mode [ 1653.223059][T25792] bridge0: port 1(bridge_slave_0) entered blocking state [ 1653.240444][T25792] bridge0: port 1(bridge_slave_0) entered disabled state [ 1653.247574][T25792] bridge_slave_0: entered allmulticast mode [ 1653.268603][T25792] bridge_slave_0: entered promiscuous mode [ 1653.285038][T25792] bridge0: port 2(bridge_slave_1) entered blocking state [ 1653.298737][T25792] bridge0: port 2(bridge_slave_1) entered disabled state [ 1653.316240][T25792] bridge_slave_1: entered allmulticast mode [ 1653.322969][T25792] bridge_slave_1: entered promiscuous mode [ 1653.518957][T25792] bridge0: port 2(bridge_slave_1) entered blocking state [ 1653.526065][T25792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1653.533508][T25792] bridge0: port 1(bridge_slave_0) entered blocking state [ 1653.540615][T25792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1653.569815][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1653.577564][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1653.598448][T19971] bridge0: port 1(bridge_slave_0) entered blocking state [ 1653.605577][T19971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1653.628705][T19971] bridge0: port 2(bridge_slave_1) entered blocking state [ 1653.635848][T19971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1653.686316][T25792] veth0_vlan: entered promiscuous mode [ 1653.715510][T25792] veth1_macvtap: entered promiscuous mode [ 1654.048472][ T3357] usb 2-1: new high-speed USB device number 109 using dummy_hcd [ 1654.185025][T25904] 9pnet_fd: Insufficient options for proto=fd [ 1654.218263][ T3357] usb 2-1: Using ep0 maxpacket: 8 [ 1654.229003][ T3357] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1654.237155][ T3357] usb 2-1: config 0 has no interface number 0 [ 1654.246810][ T3357] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1654.256215][ T3357] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1654.266292][ T3357] usb 2-1: Product: syz [ 1654.275459][ T3357] usb 2-1: Manufacturer: syz [ 1654.280561][ T3357] usb 2-1: SerialNumber: syz [ 1654.294724][ T3357] usb 2-1: config 0 descriptor?? [ 1654.511551][ T3357] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1654.528066][ T3357] usb 2-1: No streaming interface found for terminal 6. [ 1654.535456][ T3357] usb 2-1: Failed to create links for entity 5 [ 1654.548061][ T3357] usb 2-1: Failed to register entities (-22). [ 1654.569004][ T3357] usb 2-1: USB disconnect, device number 109 [ 1654.638040][T23666] usb 3-1: new high-speed USB device number 109 using dummy_hcd [ 1654.798236][T23666] usb 3-1: Using ep0 maxpacket: 8 [ 1654.808895][T23666] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1654.817054][T23666] usb 3-1: config 0 has no interface number 0 [ 1654.839427][T23666] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1654.848862][T23666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1654.856906][T23666] usb 3-1: Product: syz [ 1654.877984][T23666] usb 3-1: Manufacturer: syz [ 1654.882653][T23666] usb 3-1: SerialNumber: syz [ 1654.898254][T23666] usb 3-1: config 0 descriptor?? [ 1655.108320][T23666] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1655.114778][T23666] usb 3-1: No streaming interface found for terminal 6. [ 1655.138318][T23666] usb 3-1: Failed to create links for entity 5 [ 1655.144582][T23666] usb 3-1: Failed to register entities (-22). [ 1655.159917][T23666] usb 3-1: USB disconnect, device number 109 [ 1657.278849][T26070] 9pnet_fd: Insufficient options for proto=fd [ 1657.867828][T23150] usb 2-1: new high-speed USB device number 110 using dummy_hcd [ 1658.017809][T23150] usb 2-1: Using ep0 maxpacket: 8 [ 1658.024045][T23150] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1658.032518][T23150] usb 2-1: config 0 has no interface number 0 [ 1658.040452][T23150] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1658.049847][T23150] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1658.058118][T23150] usb 2-1: Product: syz [ 1658.062413][T23150] usb 2-1: Manufacturer: syz [ 1658.067058][T23150] usb 2-1: SerialNumber: syz [ 1658.073233][T23150] usb 2-1: config 0 descriptor?? [ 1658.283440][T23150] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1658.290868][T23150] usb 2-1: No streaming interface found for terminal 6. [ 1658.298456][T23150] usb 2-1: Failed to create links for entity 5 [ 1658.304787][T23150] usb 2-1: Failed to register entities (-22). [ 1658.321081][T23150] usb 2-1: USB disconnect, device number 110 [ 1659.497764][ T3357] usb 4-1: new high-speed USB device number 116 using dummy_hcd [ 1659.647741][ T3357] usb 4-1: Using ep0 maxpacket: 8 [ 1659.655624][ T3357] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1659.664172][ T3357] usb 4-1: config 0 has no interface number 0 [ 1659.673776][ T3357] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1659.683356][ T3357] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1659.691763][ T3357] usb 4-1: Product: syz [ 1659.696217][ T3357] usb 4-1: Manufacturer: syz [ 1659.701664][ T3357] usb 4-1: SerialNumber: syz [ 1659.709301][ T3357] usb 4-1: config 0 descriptor?? [ 1659.804499][T26146] 9pnet_fd: Insufficient options for proto=fd [ 1659.916500][ T3357] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1659.931767][ T3357] usb 4-1: No streaming interface found for terminal 6. [ 1659.947535][ T3357] usb 4-1: Failed to create links for entity 5 [ 1659.965647][ T3357] usb 4-1: Failed to register entities (-22). [ 1659.979181][ T3357] usb 4-1: USB disconnect, device number 116 [ 1660.004439][T26167] 9pnet_fd: Insufficient options for proto=fd [ 1661.210380][T26193] 9pnet_fd: Insufficient options for proto=fd [ 1662.397586][T15872] usb 3-1: new full-speed USB device number 110 using dummy_hcd [ 1662.485897][T26243] 9pnet_fd: Insufficient options for proto=fd [ 1662.522243][T23150] usb 4-1: new high-speed USB device number 117 using dummy_hcd [ 1662.548864][T15872] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1662.559334][T15872] usb 3-1: config 0 has no interfaces? [ 1662.564858][T15872] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1662.569722][T26253] 9pnet_fd: Insufficient options for proto=fd [ 1662.574669][T15872] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1662.590789][T15872] usb 3-1: config 0 descriptor?? [ 1662.677606][T23150] usb 4-1: Using ep0 maxpacket: 8 [ 1662.683917][T23150] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1662.692342][T23150] usb 4-1: config 0 has no interface number 0 [ 1662.700216][T23150] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1662.709865][T23150] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1662.718246][T23150] usb 4-1: Product: syz [ 1662.722560][T23150] usb 4-1: Manufacturer: syz [ 1662.727396][T23150] usb 4-1: SerialNumber: syz [ 1662.733576][T23150] usb 4-1: config 0 descriptor?? [ 1662.752862][T26273] 9pnet_fd: Insufficient options for proto=fd [ 1662.799747][T15872] usb 3-1: USB disconnect, device number 110 [ 1662.941590][T23150] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1662.948073][T23150] usb 4-1: No streaming interface found for terminal 6. [ 1662.955137][T23150] usb 4-1: Failed to create links for entity 5 [ 1662.961520][T23150] usb 4-1: Failed to register entities (-22). [ 1662.969697][T23150] usb 4-1: USB disconnect, device number 117 [ 1663.167544][ T3357] usb 2-1: new high-speed USB device number 111 using dummy_hcd [ 1663.317525][ T3357] usb 2-1: Using ep0 maxpacket: 8 [ 1663.323843][ T3357] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1663.332255][ T3357] usb 2-1: config 0 has no interface number 0 [ 1663.341122][ T3357] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1663.350497][ T3357] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1663.359145][ T3357] usb 2-1: Product: syz [ 1663.363432][ T3357] usb 2-1: Manufacturer: syz [ 1663.368298][ T3357] usb 2-1: SerialNumber: syz [ 1663.373983][ T3357] usb 2-1: config 0 descriptor?? [ 1663.584154][ T3357] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1663.597516][ T3357] usb 2-1: No streaming interface found for terminal 6. [ 1663.614671][ T3357] usb 2-1: Failed to create links for entity 5 [ 1663.627524][ T3357] usb 2-1: Failed to register entities (-22). [ 1663.640693][ T3357] usb 2-1: USB disconnect, device number 111 [ 1664.121090][T26373] 9pnet_fd: Insufficient options for proto=fd [ 1664.253996][T26387] 9pnet_fd: Insufficient options for proto=fd [ 1664.517474][ T3357] usb 2-1: new high-speed USB device number 112 using dummy_hcd [ 1664.687439][ T3357] usb 2-1: Using ep0 maxpacket: 8 [ 1664.698536][ T3357] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1664.716918][ T3357] usb 2-1: config 0 has no interface number 0 [ 1664.724614][ T3357] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1664.737426][ T3357] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1664.755815][ T3357] usb 2-1: Product: syz [ 1664.765937][ T3357] usb 2-1: Manufacturer: syz [ 1664.776048][ T3357] usb 2-1: SerialNumber: syz [ 1664.787020][ T3357] usb 2-1: config 0 descriptor?? [ 1664.999663][ T3357] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1665.006122][ T3357] usb 2-1: No streaming interface found for terminal 6. [ 1665.037421][ T3357] usb 2-1: Failed to create links for entity 5 [ 1665.047319][ T3357] usb 2-1: Failed to register entities (-22). [ 1665.065362][ T3357] usb 2-1: USB disconnect, device number 112 [ 1665.119356][T26435] 9pnet_fd: Insufficient options for proto=fd [ 1665.757399][T23666] usb 2-1: new full-speed USB device number 113 using dummy_hcd [ 1665.908544][T23666] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1665.918811][T23666] usb 2-1: config 0 has no interfaces? [ 1665.924334][T23666] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1665.933753][T23666] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1665.943211][T23666] usb 2-1: config 0 descriptor?? [ 1666.151723][T23666] usb 2-1: USB disconnect, device number 113 [ 1666.347145][T26471] 9pnet_fd: Insufficient options for proto=fd [ 1666.947425][T26499] 9pnet_fd: Insufficient options for proto=fd [ 1667.118194][T26519] 9pnet_fd: Insufficient options for proto=fd [ 1667.287298][T15872] usb 4-1: new high-speed USB device number 118 using dummy_hcd [ 1667.414290][T26553] 9pnet_fd: Insufficient options for proto=fd [ 1667.457282][T15872] usb 4-1: Using ep0 maxpacket: 8 [ 1667.468570][T15872] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1667.486938][T15872] usb 4-1: config 0 has no interface number 0 [ 1667.498519][T15872] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1667.517633][T15872] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1667.525763][T15872] usb 4-1: Product: syz [ 1667.535873][T15872] usb 4-1: Manufacturer: syz [ 1667.545978][T15872] usb 4-1: SerialNumber: syz [ 1667.556914][T15872] usb 4-1: config 0 descriptor?? [ 1667.769861][T15872] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1667.786478][T15872] usb 4-1: No streaming interface found for terminal 6. [ 1667.803796][T15872] usb 4-1: Failed to create links for entity 5 [ 1667.810128][T15872] usb 4-1: Failed to register entities (-22). [ 1667.828271][T15872] usb 4-1: USB disconnect, device number 118 [ 1668.440955][T26592] 9pnet_fd: Insufficient options for proto=fd [ 1668.653722][T26605] 9pnet_fd: Insufficient options for proto=fd [ 1668.955656][T26627] 9pnet_fd: Insufficient options for proto=fd [ 1669.293854][T26661] 9pnet_fd: Insufficient options for proto=fd [ 1669.837157][T15872] usb 2-1: new full-speed USB device number 114 using dummy_hcd [ 1669.988376][T15872] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1670.007192][T15872] usb 2-1: config 0 has no interfaces? [ 1670.018275][T15872] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1670.037184][T15872] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1670.054476][T15872] usb 2-1: config 0 descriptor?? [ 1670.267424][T15872] usb 2-1: USB disconnect, device number 114 [ 1670.815700][T26727] 9pnet_fd: Insufficient options for proto=fd [ 1670.868651][T26737] 9pnet_fd: Insufficient options for proto=fd [ 1670.957093][ T3357] usb 4-1: new high-speed USB device number 119 using dummy_hcd [ 1671.127086][ T3357] usb 4-1: Using ep0 maxpacket: 8 [ 1671.133465][ T3357] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1671.141829][ T3357] usb 4-1: config 0 has no interface number 0 [ 1671.151330][ T3357] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1671.160788][ T3357] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1671.169044][ T3357] usb 4-1: Product: syz [ 1671.173583][ T3357] usb 4-1: Manufacturer: syz [ 1671.178268][ T3357] usb 4-1: SerialNumber: syz [ 1671.187363][ T3357] usb 4-1: config 0 descriptor?? [ 1671.337095][T23666] usb 3-1: new high-speed USB device number 111 using dummy_hcd [ 1671.397316][ T3357] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1671.403764][ T3357] usb 4-1: No streaming interface found for terminal 6. [ 1671.411844][ T3357] usb 4-1: Failed to create links for entity 5 [ 1671.418351][ T3357] usb 4-1: Failed to register entities (-22). [ 1671.435242][ T3357] usb 4-1: USB disconnect, device number 119 [ 1671.487184][T23666] usb 3-1: Using ep0 maxpacket: 8 [ 1671.493621][T23666] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1671.503625][T23666] usb 3-1: config 0 has no interface number 0 [ 1671.511529][T23666] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1671.521002][T23666] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1671.529351][T23666] usb 3-1: Product: syz [ 1671.533704][T23666] usb 3-1: Manufacturer: syz [ 1671.538592][T23666] usb 3-1: SerialNumber: syz [ 1671.547168][T23666] usb 3-1: config 0 descriptor?? [ 1671.757828][T23666] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1671.764369][T23666] usb 3-1: No streaming interface found for terminal 6. [ 1671.772210][T23666] usb 3-1: Failed to create links for entity 5 [ 1671.778630][T23666] usb 3-1: Failed to register entities (-22). [ 1671.794832][T23666] usb 3-1: USB disconnect, device number 111 [ 1671.940450][T26799] 9pnet_fd: Insufficient options for proto=fd [ 1672.047731][T26811] 9pnet_fd: Insufficient options for proto=fd [ 1672.226893][T26835] 9pnet_fd: Insufficient options for proto=fd [ 1672.427037][T23666] usb 4-1: new full-speed USB device number 120 using dummy_hcd [ 1672.588096][T23666] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1672.607003][T23666] usb 4-1: config 0 has no interfaces? [ 1672.617003][T23666] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1672.636349][T23666] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1672.655630][T23666] usb 4-1: config 0 descriptor?? [ 1672.877511][T23666] usb 4-1: USB disconnect, device number 120 [ 1673.856940][T15872] usb 4-1: new high-speed USB device number 121 using dummy_hcd [ 1674.026953][T15872] usb 4-1: Using ep0 maxpacket: 8 [ 1674.037725][T15872] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1674.046033][T15872] usb 4-1: config 0 has no interface number 0 [ 1674.054223][T15872] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1674.063555][T15872] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1674.071693][T15872] usb 4-1: Product: syz [ 1674.076068][T15872] usb 4-1: Manufacturer: syz [ 1674.080786][T15872] usb 4-1: SerialNumber: syz [ 1674.089053][T15872] usb 4-1: config 0 descriptor?? [ 1674.297952][T15872] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1674.305828][T15872] usb 4-1: No streaming interface found for terminal 6. [ 1674.313200][T15872] usb 4-1: Failed to create links for entity 5 [ 1674.319693][T15872] usb 4-1: Failed to register entities (-22). [ 1674.332056][T15872] usb 4-1: USB disconnect, device number 121 [ 1675.526908][T15872] usb 3-1: new high-speed USB device number 112 using dummy_hcd [ 1675.676825][T15872] usb 3-1: Using ep0 maxpacket: 8 [ 1675.683154][T15872] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1675.691359][T23150] usb 2-1: new high-speed USB device number 115 using dummy_hcd [ 1675.699365][T15872] usb 3-1: config 0 has no interface number 0 [ 1675.707425][T15872] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1675.716602][T15872] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1675.724867][T15872] usb 3-1: Product: syz [ 1675.729300][T15872] usb 3-1: Manufacturer: syz [ 1675.734115][T15872] usb 3-1: SerialNumber: syz [ 1675.740172][T15872] usb 3-1: config 0 descriptor?? [ 1675.745981][T26977] FAULT_INJECTION: forcing a failure. [ 1675.745981][T26977] name failslab, interval 1, probability 0, space 0, times 0 [ 1675.758741][T26977] CPU: 0 UID: 0 PID: 26977 Comm: syz.3.44450 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1675.758778][T26977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1675.758794][T26977] Call Trace: [ 1675.758803][T26977] [ 1675.758813][T26977] __dump_stack+0x21/0x30 [ 1675.758851][T26977] dump_stack_lvl+0x10c/0x190 [ 1675.758888][T26977] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1675.758913][T26977] ? avc_has_extended_perms+0x921/0xdd0 [ 1675.758937][T26977] dump_stack+0x19/0x20 [ 1675.758962][T26977] should_fail_ex+0x3d9/0x530 [ 1675.758987][T26977] should_failslab+0xac/0x100 [ 1675.759012][T26977] __kmalloc_cache_node_noprof+0x46/0x450 [ 1675.759036][T26977] ? __get_vm_area_node+0x154/0x3a0 [ 1675.759062][T26977] __get_vm_area_node+0x154/0x3a0 [ 1675.759084][T26977] __vmalloc_node_range_noprof+0x33c/0x1420 [ 1675.759113][T26977] ? kvm_dev_ioctl+0x125/0x14d0 [ 1675.759145][T26977] ? number+0xd21/0xf80 [ 1675.759173][T26977] ? pointer+0xdd0/0xdd0 [ 1675.759200][T26977] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 1675.759231][T26977] ? vsnprintf+0x19b8/0x1aa0 [ 1675.759252][T26977] ? kvm_dev_ioctl+0x125/0x14d0 [ 1675.759284][T26977] __vmalloc_noprof+0xfe/0x1d0 [ 1675.759314][T26977] ? kvm_dev_ioctl+0x125/0x14d0 [ 1675.759344][T26977] ? alloc_fd+0x4e7/0x5a0 [ 1675.759363][T26977] ? __cfi___vmalloc_noprof+0x10/0x10 [ 1675.759387][T26977] kvm_dev_ioctl+0x125/0x14d0 [ 1675.759412][T26977] ? __fget_files+0x2c5/0x340 [ 1675.759438][T26977] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1675.759471][T26977] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1675.759502][T26977] ? security_file_ioctl+0x34/0xd0 [ 1675.759521][T26977] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1675.759543][T26977] __se_sys_ioctl+0x135/0x1b0 [ 1675.759563][T26977] __x64_sys_ioctl+0x7f/0xa0 [ 1675.759589][T26977] x64_sys_call+0x1878/0x2ee0 [ 1675.759621][T26977] do_syscall_64+0x58/0xf0 [ 1675.759648][T26977] ? clear_bhb_loop+0x50/0xa0 [ 1675.759670][T26977] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1675.759687][T26977] RIP: 0033:0x7fbf7058f6c9 [ 1675.759728][T26977] 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 [ 1675.759750][T26977] RSP: 002b:00007fbf71461038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1675.759774][T26977] RAX: ffffffffffffffda RBX: 00007fbf707e5fa0 RCX: 00007fbf7058f6c9 [ 1675.759791][T26977] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000007 [ 1675.759807][T26977] RBP: 00007fbf71461090 R08: 0000000000000000 R09: 0000000000000000 [ 1675.759819][T26977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.759828][T26977] R13: 00007fbf707e6038 R14: 00007fbf707e5fa0 R15: 00007ffe5ebaaaa8 [ 1675.759843][T26977] [ 1675.759852][T26977] syz.3.44450: vmalloc error: size 39304, vm_struct allocation failed, mode:0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1675.866814][T23150] usb 2-1: Using ep0 maxpacket: 8 [ 1675.868209][T26977] ,cpuset= [ 1675.874454][T23150] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1675.877977][T26977] syz3 [ 1675.883082][T23150] usb 2-1: config 0 has no interface number 0 [ 1675.887126][T26977] ,mems_allowed=0 [ 1675.887156][T26977] CPU: 0 UID: 0 PID: 26977 Comm: syz.3.44450 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1675.887187][T26977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1675.887203][T26977] Call Trace: [ 1675.887213][T26977] [ 1675.887224][T26977] __dump_stack+0x21/0x30 [ 1675.887269][T26977] dump_stack_lvl+0x10c/0x190 [ 1675.887304][T26977] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1675.887341][T26977] dump_stack+0x19/0x20 [ 1675.887375][T26977] warn_alloc+0x1bc/0x2a0 [ 1675.887410][T26977] ? __kasan_kmalloc+0x28/0xb0 [ 1675.887439][T26977] ? __cfi_warn_alloc+0x10/0x10 [ 1675.887475][T26977] ? __get_vm_area_node+0x392/0x3a0 [ 1675.887511][T26977] __vmalloc_node_range_noprof+0x361/0x1420 [ 1675.887549][T26977] ? number+0xd21/0xf80 [ 1675.887581][T26977] ? pointer+0xdd0/0xdd0 [ 1675.887613][T26977] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 1675.887651][T26977] ? vsnprintf+0x19b8/0x1aa0 [ 1675.887684][T26977] ? kvm_dev_ioctl+0x125/0x14d0 [ 1675.887721][T26977] __vmalloc_noprof+0xfe/0x1d0 [ 1675.887757][T26977] ? kvm_dev_ioctl+0x125/0x14d0 [ 1675.887793][T26977] ? alloc_fd+0x4e7/0x5a0 [ 1675.887819][T26977] ? __cfi___vmalloc_noprof+0x10/0x10 [ 1675.887866][T26977] kvm_dev_ioctl+0x125/0x14d0 [ 1675.887903][T26977] ? __fget_files+0x2c5/0x340 [ 1675.887930][T26977] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1675.887967][T26977] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1675.888002][T26977] ? security_file_ioctl+0x34/0xd0 [ 1675.888034][T26977] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1675.888070][T26977] __se_sys_ioctl+0x135/0x1b0 [ 1675.888098][T26977] __x64_sys_ioctl+0x7f/0xa0 [ 1675.888125][T26977] x64_sys_call+0x1878/0x2ee0 [ 1675.888165][T26977] do_syscall_64+0x58/0xf0 [ 1675.888196][T26977] ? clear_bhb_loop+0x50/0xa0 [ 1675.888225][T26977] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1675.888253][T26977] RIP: 0033:0x7fbf7058f6c9 [ 1675.888275][T26977] 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 [ 1675.888298][T26977] RSP: 002b:00007fbf71461038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1675.888327][T26977] RAX: ffffffffffffffda RBX: 00007fbf707e5fa0 RCX: 00007fbf7058f6c9 [ 1675.888347][T26977] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000007 [ 1675.888364][T26977] RBP: 00007fbf71461090 R08: 0000000000000000 R09: 0000000000000000 [ 1675.888382][T26977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.888397][T26977] R13: 00007fbf707e6038 R14: 00007fbf707e5fa0 R15: 00007ffe5ebaaaa8 [ 1675.888421][T26977] [ 1675.888432][T26977] Mem-Info: [ 1675.898193][T23150] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1675.902700][T26977] active_anon:5404 inactive_anon:13 isolated_anon:0 [ 1675.902700][T26977] active_file:22821 inactive_file:3036 isolated_file:0 [ 1675.902700][T26977] unevictable:0 dirty:99 writeback:0 [ 1675.902700][T26977] slab_reclaimable:9590 slab_unreclaimable:72080 [ 1675.902700][T26977] mapped:25294 shmem:165 pagetables:745 [ 1675.902700][T26977] sec_pagetables:0 bounce:0 [ 1675.902700][T26977] kernel_misc_reclaimable:0 [ 1675.902700][T26977] free:1518910 free_pcp:4915 free_cma:0 [ 1675.909557][T23150] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1675.912948][T26977] Node 0 active_anon:21616kB inactive_anon:52kB active_file:91284kB inactive_file:12144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:101176kB dirty:396kB writeback:0kB shmem:660kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:5056kB pagetables:2980kB sec_pagetables:0kB all_unreclaimable? no [ 1675.918605][T23150] usb 2-1: Product: syz [ 1675.923323][T26977] DMA32 free:2952148kB boost:0kB min:19088kB low:23860kB high:28632kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2965936kB mlocked:0kB bounce:0kB free_pcp:13788kB local_pcp:10620kB free_cma:0kB [ 1675.928407][T23150] usb 2-1: Manufacturer: syz [ 1675.932685][T26977] lowmem_reserve[]: 0 3921 3921 [ 1675.932723][T26977] Normal free:3123492kB boost:0kB min:25964kB low:32452kB high:38940kB reserved_highatomic:0KB free_highatomic:0KB active_anon:21616kB inactive_anon:52kB active_file:91284kB inactive_file:12144kB unevictable:0kB writepending:396kB present:5242880kB managed:4016120kB mlocked:0kB bounce:0kB free_pcp:5872kB local_pcp:3348kB free_cma:0kB [ 1675.937560][T23150] usb 2-1: SerialNumber: syz [ 1675.942353][T26977] lowmem_reserve[]: [ 1675.948153][T23150] usb 2-1: config 0 descriptor?? [ 1675.955004][T26977] 0 [ 1675.960809][T15872] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1675.981058][T26977] 0 [ 1675.986871][T15872] usb 3-1: No streaming interface found for terminal 6. [ 1675.994724][T26977] 0 [ 1676.003035][T15872] usb 3-1: Failed to create links for entity 5 [ 1676.010973][T26977] [ 1676.018913][T15872] usb 3-1: Failed to register entities (-22). [ 1676.027331][T26977] DMA32: [ 1676.035285][T15872] usb 3-1: USB disconnect, device number 112 [ 1676.047186][T26977] 3*4kB [ 1676.207195][T23150] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1676.212793][T26977] (M) [ 1676.214982][T23150] usb 2-1: No streaming interface found for terminal 6. [ 1676.220036][T26977] 1*8kB [ 1676.225608][T23150] usb 2-1: Failed to create links for entity 5 [ 1676.229411][T26977] (M) [ 1676.234645][T23150] usb 2-1: Failed to register entities (-22). [ 1676.238748][T26977] 2*16kB [ 1676.258914][T23150] usb 2-1: USB disconnect, device number 115 [ 1676.290934][T26977] (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 3*256kB (M) 3*512kB (M) 4*1024kB (UM) 4*2048kB (M) 717*4096kB (M) = 2952148kB [ 1676.614601][T26977] Normal: 1492*4kB (UME) 1508*8kB (UME) 1406*16kB (UME) 1264*32kB (UME) 988*64kB (UME) 298*128kB (UME) 213*256kB (UME) 92*512kB (UME) 34*1024kB (UME) 4*2048kB (UM) 684*4096kB (UM) = 3128656kB [ 1676.634455][T26977] 26033 total pagecache pages [ 1676.639179][T26977] 13 pages in swap cache [ 1676.643443][T26977] Free swap = 124536kB [ 1676.647645][T26977] Total swap = 124996kB [ 1676.651844][T26977] 2097051 pages RAM [ 1676.655675][T26977] 0 pages HighMem/MovableOnly [ 1676.660695][T26977] 351537 pages reserved [ 1676.664895][T26977] 0 pages cma reserved [ 1676.671890][T26977] Memory allocations: [ 1676.675923][T26977] 0 B 0 init/main.c:1370 func:do_initcalls [ 1676.683320][T26977] 0 B 0 init/do_mounts.c:186 func:mount_root_generic [ 1676.691617][T26977] 0 B 0 init/do_mounts.c:158 func:do_mount_root [ 1676.699616][T26977] 0 B 0 init/do_mounts.c:352 func:mount_nodev_root [ 1676.707671][T26977] 0 B 0 init/do_mounts_rd.c:241 func:rd_load_image [ 1676.715613][T26977] 0 B 0 init/do_mounts_rd.c:72 func:identify_ramdisk_image [ 1676.724295][T26977] 0 B 0 init/initramfs.c:507 func:unpack_to_rootfs [ 1676.732613][T26977] 0 B 0 init/initramfs.c:508 func:unpack_to_rootfs [ 1676.740608][T26977] 0 B 0 init/initramfs.c:509 func:unpack_to_rootfs [ 1676.748605][T26977] 0 B 0 init/initramfs.c:101 func:find_link [ 1677.376767][T15872] usb 2-1: new full-speed USB device number 116 using dummy_hcd [ 1677.527998][T15872] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1677.538331][T15872] usb 2-1: config 0 has no interfaces? [ 1677.543836][T15872] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1677.553481][T15872] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1677.562390][T15872] usb 2-1: config 0 descriptor?? [ 1677.616762][ T46] usb 3-1: new high-speed USB device number 113 using dummy_hcd [ 1677.662311][T27069] FAULT_INJECTION: forcing a failure. [ 1677.662311][T27069] name failslab, interval 1, probability 0, space 0, times 0 [ 1677.675191][T27069] CPU: 0 UID: 0 PID: 27069 Comm: syz.0.44496 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1677.675228][T27069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1677.675244][T27069] Call Trace: [ 1677.675254][T27069] [ 1677.675264][T27069] __dump_stack+0x21/0x30 [ 1677.675301][T27069] dump_stack_lvl+0x10c/0x190 [ 1677.675323][T27069] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1677.675345][T27069] ? __kasan_check_write+0x18/0x20 [ 1677.675371][T27069] ? proc_fail_nth_write+0x17e/0x210 [ 1677.675393][T27069] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1677.675414][T27069] dump_stack+0x19/0x20 [ 1677.675435][T27069] should_fail_ex+0x3d9/0x530 [ 1677.675452][T27069] should_failslab+0xac/0x100 [ 1677.675470][T27069] kmem_cache_alloc_noprof+0x42/0x430 [ 1677.675485][T27069] ? getname_flags+0xc6/0x710 [ 1677.675502][T27069] getname_flags+0xc6/0x710 [ 1677.675517][T27069] ? build_open_flags+0x487/0x600 [ 1677.675539][T27069] getname+0x1b/0x30 [ 1677.675554][T27069] do_sys_openat2+0xcb/0x1c0 [ 1677.675574][T27069] ? fput+0x1a5/0x240 [ 1677.675593][T27069] ? do_sys_open+0x100/0x100 [ 1677.675613][T27069] ? ksys_write+0x1ef/0x250 [ 1677.675627][T27069] ? __cfi_ksys_write+0x10/0x10 [ 1677.675643][T27069] __x64_sys_openat+0x13a/0x170 [ 1677.675665][T27069] x64_sys_call+0xe69/0x2ee0 [ 1677.675690][T27069] do_syscall_64+0x58/0xf0 [ 1677.675713][T27069] ? clear_bhb_loop+0x50/0xa0 [ 1677.675731][T27069] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1677.675748][T27069] RIP: 0033:0x7f11e838df10 [ 1677.675763][T27069] Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 69 95 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 bc 95 02 00 8b 44 [ 1677.675777][T27069] RSP: 002b:00007f11e927ef10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 1677.675795][T27069] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f11e838df10 [ 1677.675807][T27069] RDX: 0000000000000002 RSI: 00007f11e927efa0 RDI: 00000000ffffff9c [ 1677.675820][T27069] RBP: 00007f11e927efa0 R08: 0000000000000000 R09: 0000000000000000 [ 1677.675830][T27069] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 1677.675841][T27069] R13: 00007f11e85e6038 R14: 00007f11e85e5fa0 R15: 00007ffcdce80828 [ 1677.675855][T27069] [ 1677.899739][T16463] usb 2-1: USB disconnect, device number 116 [ 1677.907454][ T46] usb 3-1: Using ep0 maxpacket: 8 [ 1677.916864][ T46] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1677.925309][ T46] usb 3-1: config 0 has no interface number 0 [ 1677.949425][ T46] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1677.958653][ T46] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1677.966939][ T46] usb 3-1: Product: syz [ 1677.971187][ T46] usb 3-1: Manufacturer: syz [ 1677.975817][ T46] usb 3-1: SerialNumber: syz [ 1677.981158][ T46] usb 3-1: config 0 descriptor?? [ 1678.186746][ T3357] usb 4-1: new high-speed USB device number 122 using dummy_hcd [ 1678.189086][ T46] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1678.200900][ T46] usb 3-1: No streaming interface found for terminal 6. [ 1678.207903][ T46] usb 3-1: Failed to create links for entity 5 [ 1678.214081][ T46] usb 3-1: Failed to register entities (-22). [ 1678.223116][ T46] usb 3-1: USB disconnect, device number 113 [ 1678.346675][ T3357] usb 4-1: Using ep0 maxpacket: 8 [ 1678.352909][ T3357] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1678.361084][ T3357] usb 4-1: config 0 has no interface number 0 [ 1678.368661][ T3357] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1678.377875][ T3357] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1678.385887][ T3357] usb 4-1: Product: syz [ 1678.390192][ T3357] usb 4-1: Manufacturer: syz [ 1678.394810][ T3357] usb 4-1: SerialNumber: syz [ 1678.400567][ T3357] usb 4-1: config 0 descriptor?? [ 1678.607292][ T3357] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1678.613725][ T3357] usb 4-1: No streaming interface found for terminal 6. [ 1678.621095][ T3357] usb 4-1: Failed to create links for entity 5 [ 1678.627962][ T3357] usb 4-1: Failed to register entities (-22). [ 1678.635617][ T3357] usb 4-1: USB disconnect, device number 122 [ 1678.976689][T16463] usb 3-1: new full-speed USB device number 114 using dummy_hcd [ 1679.127725][T16463] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1679.137904][T16463] usb 3-1: config 0 has no interfaces? [ 1679.143423][T16463] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1679.152635][T16463] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1679.161510][T16463] usb 3-1: config 0 descriptor?? [ 1679.368558][T16463] usb 3-1: USB disconnect, device number 114 [ 1680.347139][T15872] usb 4-1: new high-speed USB device number 123 using dummy_hcd [ 1680.506608][T15872] usb 4-1: Using ep0 maxpacket: 8 [ 1680.517323][T15872] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1680.535756][T15872] usb 4-1: config 0 has no interface number 0 [ 1680.543449][T15872] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1680.552684][T15872] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1680.560773][T15872] usb 4-1: Product: syz [ 1680.565081][T15872] usb 4-1: Manufacturer: syz [ 1680.569755][T15872] usb 4-1: SerialNumber: syz [ 1680.576813][T15872] usb 4-1: config 0 descriptor?? [ 1680.787093][T15872] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1680.796537][T15872] usb 4-1: No streaming interface found for terminal 6. [ 1680.803560][T15872] usb 4-1: Failed to create links for entity 5 [ 1680.826527][T15872] usb 4-1: Failed to register entities (-22). [ 1680.837503][T15872] usb 4-1: USB disconnect, device number 123 [ 1681.396516][T15872] usb 2-1: new full-speed USB device number 117 using dummy_hcd [ 1681.567522][T15872] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1681.577806][T15872] usb 2-1: config 0 has no interfaces? [ 1681.583332][T15872] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1681.592853][T15872] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1681.601602][T15872] usb 2-1: config 0 descriptor?? [ 1681.809486][T15872] usb 2-1: USB disconnect, device number 117 [ 1683.596395][T15872] usb 2-1: new full-speed USB device number 118 using dummy_hcd [ 1683.736410][ T46] usb 3-1: new full-speed USB device number 115 using dummy_hcd [ 1683.757517][T15872] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1683.768695][T15872] usb 2-1: config 0 has no interfaces? [ 1683.774316][T15872] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1683.784294][T15872] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1683.793925][T15872] usb 2-1: config 0 descriptor?? [ 1683.887515][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1683.897935][ T46] usb 3-1: config 0 has no interfaces? [ 1683.903740][ T46] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1683.913514][ T46] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1683.925636][ T46] usb 3-1: config 0 descriptor?? [ 1684.004643][T16463] usb 2-1: USB disconnect, device number 118 [ 1684.135006][ T46] usb 3-1: USB disconnect, device number 115 [ 1684.466376][T23666] usb 4-1: new full-speed USB device number 124 using dummy_hcd [ 1684.594413][T27327] 9pnet_fd: Insufficient options for proto=fd [ 1684.617369][T23666] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1684.627658][T23666] usb 4-1: config 0 has no interfaces? [ 1684.633195][T23666] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1684.642678][T23666] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1684.652001][T23666] usb 4-1: config 0 descriptor?? [ 1684.859916][T23666] usb 4-1: USB disconnect, device number 124 [ 1685.632367][T27383] incfs: Options parsing error. -22 [ 1685.637685][T27383] incfs: mount failed -22 [ 1687.366196][T21917] usb 3-1: new full-speed USB device number 116 using dummy_hcd [ 1687.557225][T21917] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1687.576146][T21917] usb 3-1: config 0 has no interfaces? [ 1687.581826][T21917] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1687.602035][T21917] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1687.617253][T21917] usb 3-1: config 0 descriptor?? [ 1687.826293][T16463] usb 3-1: USB disconnect, device number 116 [ 1687.956143][T21917] usb 2-1: new high-speed USB device number 119 using dummy_hcd [ 1688.116119][T21917] usb 2-1: Using ep0 maxpacket: 8 [ 1688.125253][T21917] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1688.140112][T21917] usb 2-1: config 0 has no interface number 0 [ 1688.157765][T21917] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1688.167441][T21917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1688.177895][T21917] usb 2-1: Product: syz [ 1688.182122][T21917] usb 2-1: Manufacturer: syz [ 1688.187051][T21917] usb 2-1: SerialNumber: syz [ 1688.196306][T21917] usb 2-1: config 0 descriptor?? [ 1688.408784][T21917] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1688.424698][T21917] usb 2-1: No streaming interface found for terminal 6. [ 1688.441730][T21917] usb 2-1: Failed to create links for entity 5 [ 1688.448387][T21917] usb 2-1: Failed to register entities (-22). [ 1688.462675][T21917] usb 2-1: USB disconnect, device number 119 [ 1688.786088][T16463] usb 4-1: new full-speed USB device number 125 using dummy_hcd [ 1688.947401][T16463] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1688.966171][T16463] usb 4-1: config 0 has no interfaces? [ 1688.973402][T16463] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1688.996074][T16463] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1689.016160][T16463] usb 4-1: config 0 descriptor?? [ 1689.229481][T16463] usb 4-1: USB disconnect, device number 125 [ 1689.446061][T23666] usb 2-1: new full-speed USB device number 120 using dummy_hcd [ 1689.597385][T23666] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1689.607648][T23666] usb 2-1: config 0 has no interfaces? [ 1689.613175][T23666] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1689.622682][T23666] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1689.631928][T23666] usb 2-1: config 0 descriptor?? [ 1689.696037][T16463] usb 3-1: new high-speed USB device number 117 using dummy_hcd [ 1689.840507][T21917] usb 2-1: USB disconnect, device number 120 [ 1689.856034][T16463] usb 3-1: Using ep0 maxpacket: 8 [ 1689.868592][T16463] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1689.886073][T16463] usb 3-1: config 0 has no interface number 0 [ 1689.903939][T16463] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1689.923441][T16463] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1689.931764][T16463] usb 3-1: Product: syz [ 1689.936227][T16463] usb 3-1: Manufacturer: syz [ 1689.940860][T16463] usb 3-1: SerialNumber: syz [ 1689.956017][T16463] usb 3-1: config 0 descriptor?? [ 1690.169732][T16463] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1690.181569][T16463] usb 3-1: No streaming interface found for terminal 6. [ 1690.196222][T16463] usb 3-1: Failed to create links for entity 5 [ 1690.206159][T16463] usb 3-1: Failed to register entities (-22). [ 1690.219897][T16463] usb 3-1: USB disconnect, device number 117 [ 1691.005964][T16463] usb 3-1: new full-speed USB device number 118 using dummy_hcd [ 1691.158314][T16463] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1691.168669][T16463] usb 3-1: config 0 has no interfaces? [ 1691.174190][T16463] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1691.183637][T16463] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1691.192747][T16463] usb 3-1: config 0 descriptor?? [ 1691.403241][T16463] usb 3-1: USB disconnect, device number 118 [ 1692.024801][T27677] 9pnet_fd: Insufficient options for proto=fd [ 1692.185946][T21917] usb 3-1: new high-speed USB device number 119 using dummy_hcd [ 1692.326658][T27707] 9pnet_fd: Insufficient options for proto=fd [ 1692.345928][T21917] usb 3-1: Using ep0 maxpacket: 8 [ 1692.356641][T21917] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1692.364795][T21917] usb 3-1: config 0 has no interface number 0 [ 1692.387286][T21917] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1692.405905][T21917] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1692.413979][T21917] usb 3-1: Product: syz [ 1692.425864][T21917] usb 3-1: Manufacturer: syz [ 1692.430564][T21917] usb 3-1: SerialNumber: syz [ 1692.446229][T21917] usb 3-1: config 0 descriptor?? [ 1692.656564][T21917] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1692.662999][T21917] usb 3-1: No streaming interface found for terminal 6. [ 1692.685883][T21917] usb 3-1: Failed to create links for entity 5 [ 1692.692294][T21917] usb 3-1: Failed to register entities (-22). [ 1692.707580][T21917] usb 3-1: USB disconnect, device number 119 [ 1693.315833][T16463] usb 4-1: new high-speed USB device number 126 using dummy_hcd [ 1693.488604][T16463] usb 4-1: Using ep0 maxpacket: 8 [ 1693.499761][T16463] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1693.525806][T16463] usb 4-1: config 0 has no interface number 0 [ 1693.533491][T16463] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1693.552898][T16463] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1693.573148][T16463] usb 4-1: Product: syz [ 1693.577428][T16463] usb 4-1: Manufacturer: syz [ 1693.582061][T16463] usb 4-1: SerialNumber: syz [ 1693.600228][T16463] usb 4-1: config 0 descriptor?? [ 1693.807396][T16463] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1693.827417][T16463] usb 4-1: No streaming interface found for terminal 6. [ 1693.834456][T16463] usb 4-1: Failed to create links for entity 5 [ 1693.855785][T16463] usb 4-1: Failed to register entities (-22). [ 1693.876736][T16463] usb 4-1: USB disconnect, device number 126 [ 1694.235767][T23666] usb 2-1: new full-speed USB device number 121 using dummy_hcd [ 1694.389414][T27763] 9pnet_fd: Insufficient options for proto=fd [ 1694.396856][T23666] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1694.407099][T23666] usb 2-1: config 0 has no interfaces? [ 1694.412618][T23666] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1694.422015][T23666] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1694.431671][T23666] usb 2-1: config 0 descriptor?? [ 1694.575808][T15872] usb 4-1: new full-speed USB device number 127 using dummy_hcd [ 1694.638956][ T46] usb 2-1: USB disconnect, device number 121 [ 1694.726853][T15872] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1694.737873][T15872] usb 4-1: config 0 has no interfaces? [ 1694.744001][T15872] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1694.753386][T15872] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1694.762569][T15872] usb 4-1: config 0 descriptor?? [ 1694.972794][ T46] usb 4-1: USB disconnect, device number 127 [ 1695.425781][T23666] usb 2-1: new high-speed USB device number 122 using dummy_hcd [ 1695.575704][T23666] usb 2-1: Using ep0 maxpacket: 8 [ 1695.582121][T23666] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1695.590399][T23666] usb 2-1: config 0 has no interface number 0 [ 1695.598186][T23666] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1695.607544][T23666] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1695.615716][T23666] usb 2-1: Product: syz [ 1695.620124][T23666] usb 2-1: Manufacturer: syz [ 1695.624928][T23666] usb 2-1: SerialNumber: syz [ 1695.630898][T23666] usb 2-1: config 0 descriptor?? [ 1695.838945][T23666] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1695.845409][T23666] usb 2-1: No streaming interface found for terminal 6. [ 1695.852623][T23666] usb 2-1: Failed to create links for entity 5 [ 1695.859059][T23666] usb 2-1: Failed to register entities (-22). [ 1695.876663][T23666] usb 2-1: USB disconnect, device number 122 [ 1696.675653][T16463] usb 2-1: new full-speed USB device number 123 using dummy_hcd [ 1696.735671][ T46] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 1696.836768][T16463] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1696.855611][T16463] usb 2-1: config 0 has no interfaces? [ 1696.865633][T16463] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1696.884980][T16463] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1696.896672][ T46] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1696.907340][T16463] usb 2-1: config 0 descriptor?? [ 1696.913258][ T46] usb 4-1: config 0 has no interfaces? [ 1696.921976][ T46] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1696.942204][ T46] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1696.955267][ T46] usb 4-1: config 0 descriptor?? [ 1697.118376][ T46] usb 2-1: USB disconnect, device number 123 [ 1697.164934][T15872] usb 4-1: USB disconnect, device number 2 [ 1697.178195][T27849] 9pnet_fd: Insufficient options for proto=fd [ 1697.215624][T16463] usb 3-1: new full-speed USB device number 120 using dummy_hcd [ 1697.388014][T16463] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1697.398490][T16463] usb 3-1: config 0 has no interfaces? [ 1697.404024][T16463] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1697.413265][T16463] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1697.423763][T16463] usb 3-1: config 0 descriptor?? [ 1697.631268][T16463] usb 3-1: USB disconnect, device number 120 [ 1697.699841][T27867] 9pnet_fd: Insufficient options for proto=fd [ 1697.771717][T27877] FAULT_INJECTION: forcing a failure. [ 1697.771717][T27877] name failslab, interval 1, probability 0, space 0, times 0 [ 1697.784624][T27877] CPU: 1 UID: 0 PID: 27877 Comm: syz.1.44899 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1697.784671][T27877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1697.784688][T27877] Call Trace: [ 1697.784696][T27877] [ 1697.784706][T27877] __dump_stack+0x21/0x30 [ 1697.784742][T27877] dump_stack_lvl+0x10c/0x190 [ 1697.784774][T27877] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1697.784806][T27877] ? __kasan_check_write+0x18/0x20 [ 1697.784841][T27877] ? proc_fail_nth_write+0x17e/0x210 [ 1697.784872][T27877] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1697.784903][T27877] dump_stack+0x19/0x20 [ 1697.784933][T27877] should_fail_ex+0x3d9/0x530 [ 1697.784957][T27877] should_failslab+0xac/0x100 [ 1697.784983][T27877] kmem_cache_alloc_noprof+0x42/0x430 [ 1697.785005][T27877] ? getname_flags+0xc6/0x710 [ 1697.785030][T27877] getname_flags+0xc6/0x710 [ 1697.785052][T27877] ? build_open_flags+0x487/0x600 [ 1697.785083][T27877] getname+0x1b/0x30 [ 1697.785104][T27877] do_sys_openat2+0xcb/0x1c0 [ 1697.785134][T27877] ? fput+0x1a5/0x240 [ 1697.785161][T27877] ? do_sys_open+0x100/0x100 [ 1697.785190][T27877] ? ksys_write+0x1ef/0x250 [ 1697.785212][T27877] ? __cfi_ksys_write+0x10/0x10 [ 1697.785235][T27877] __x64_sys_openat+0x13a/0x170 [ 1697.785266][T27877] x64_sys_call+0xe69/0x2ee0 [ 1697.785300][T27877] do_syscall_64+0x58/0xf0 [ 1697.785330][T27877] ? clear_bhb_loop+0x50/0xa0 [ 1697.785356][T27877] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1697.785382][T27877] RIP: 0033:0x7f986e98f6c9 [ 1697.785401][T27877] 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 [ 1697.785421][T27877] RSP: 002b:00007f986f7b3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1697.785447][T27877] RAX: ffffffffffffffda RBX: 00007f986ebe5fa0 RCX: 00007f986e98f6c9 [ 1697.785466][T27877] RDX: 0000000000000002 RSI: 0000200000000140 RDI: ffffffffffffff9c [ 1697.785483][T27877] RBP: 00007f986f7b3090 R08: 0000000000000000 R09: 0000000000000000 [ 1697.785498][T27877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1697.785518][T27877] R13: 00007f986ebe6038 R14: 00007f986ebe5fa0 R15: 00007ffe0690ea38 [ 1697.785549][T27877] [ 1698.275065][T27897] 9pnet_fd: Insufficient options for proto=fd [ 1698.295749][T16463] usb 2-1: new full-speed USB device number 124 using dummy_hcd [ 1698.446720][T16463] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1698.457071][T16463] usb 2-1: config 0 has no interfaces? [ 1698.462844][T16463] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1698.472213][T16463] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1698.481968][T16463] usb 2-1: config 0 descriptor?? [ 1698.694015][T16463] usb 2-1: USB disconnect, device number 124 [ 1701.265376][ T46] usb 3-1: new full-speed USB device number 121 using dummy_hcd [ 1701.426516][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1701.436852][ T46] usb 3-1: config 0 has no interfaces? [ 1701.442465][ T46] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1701.452315][ T46] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1701.461559][ T46] usb 3-1: config 0 descriptor?? [ 1701.668915][ T46] usb 3-1: USB disconnect, device number 121 [ 1702.261418][T28067] 9pnet_fd: Insufficient options for proto=fd [ 1702.335319][T23666] usb 2-1: new high-speed USB device number 125 using dummy_hcd [ 1702.485303][T23666] usb 2-1: Using ep0 maxpacket: 8 [ 1702.506031][T23666] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1702.514434][T23666] usb 2-1: config 0 has no interface number 0 [ 1702.522407][T23666] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1702.535286][T23666] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1702.543593][T23666] usb 2-1: Product: syz [ 1702.548178][T23666] usb 2-1: Manufacturer: syz [ 1702.552900][T23666] usb 2-1: SerialNumber: syz [ 1702.560911][T23666] usb 2-1: config 0 descriptor?? [ 1702.777553][T23666] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1702.785584][T23666] usb 2-1: No streaming interface found for terminal 6. [ 1702.793072][T23666] usb 2-1: Failed to create links for entity 5 [ 1702.799337][T23666] usb 2-1: Failed to register entities (-22). [ 1702.808026][T23666] usb 2-1: USB disconnect, device number 125 [ 1703.526866][T28137] 9pnet_fd: Insufficient options for proto=fd [ 1705.832955][T28253] 9pnet_fd: Insufficient options for proto=fd [ 1706.585108][T16463] usb 2-1: new high-speed USB device number 126 using dummy_hcd [ 1706.585108][T21917] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 1706.735059][T16463] usb 2-1: Using ep0 maxpacket: 8 [ 1706.745322][T21917] usb 4-1: Using ep0 maxpacket: 8 [ 1706.750695][T16463] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1706.751877][T21917] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1706.766641][T16463] usb 2-1: config 0 has no interface number 0 [ 1706.767349][T21917] usb 4-1: config 0 has no interface number 0 [ 1706.779401][T16463] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1706.780883][T21917] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1706.791179][T16463] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1706.797802][T21917] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1706.813809][T21917] usb 4-1: Product: syz [ 1706.816225][T16463] usb 2-1: Product: syz [ 1706.818343][T21917] usb 4-1: Manufacturer: syz [ 1706.825320][T16463] usb 2-1: Manufacturer: syz [ 1706.827024][T21917] usb 4-1: SerialNumber: syz [ 1706.833422][T16463] usb 2-1: SerialNumber: syz [ 1706.841900][T16463] usb 2-1: config 0 descriptor?? [ 1706.846506][T21917] usb 4-1: config 0 descriptor?? [ 1707.050320][T16463] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1707.056800][T16463] usb 2-1: No streaming interface found for terminal 6. [ 1707.063817][T16463] usb 2-1: Failed to create links for entity 5 [ 1707.069374][T21917] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1707.074055][T16463] usb 2-1: Failed to register entities (-22). [ 1707.083193][T21917] usb 4-1: No streaming interface found for terminal 6. [ 1707.089823][T16463] usb 2-1: USB disconnect, device number 126 [ 1707.100367][T21917] usb 4-1: Failed to create links for entity 5 [ 1707.106797][T21917] usb 4-1: Failed to register entities (-22). [ 1707.117036][T21917] usb 4-1: USB disconnect, device number 3 [ 1707.459037][T28324] 9pnet_fd: Insufficient options for proto=fd [ 1707.965020][T21917] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 1708.144979][T21917] usb 4-1: Using ep0 maxpacket: 8 [ 1708.156005][T21917] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1708.172277][T21917] usb 4-1: config 0 has no interface number 0 [ 1708.180068][T21917] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1708.192513][T21917] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1708.203244][T21917] usb 4-1: Product: syz [ 1708.207720][T21917] usb 4-1: Manufacturer: syz [ 1708.212448][T21917] usb 4-1: SerialNumber: syz [ 1708.218382][T21917] usb 4-1: config 0 descriptor?? [ 1708.326295][T28382] 9pnet_fd: Insufficient options for proto=fd [ 1708.428215][T21917] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1708.444991][T21917] usb 4-1: No streaming interface found for terminal 6. [ 1708.454995][T21917] usb 4-1: Failed to create links for entity 5 [ 1708.461216][T21917] usb 4-1: Failed to register entities (-22). [ 1708.486444][T21917] usb 4-1: USB disconnect, device number 4 [ 1709.465205][T16463] usb 3-1: new full-speed USB device number 122 using dummy_hcd [ 1709.625974][T16463] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1709.644900][T16463] usb 3-1: config 0 has no interfaces? [ 1709.650495][T16463] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1709.674896][T16463] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1709.685887][T16463] usb 3-1: config 0 descriptor?? [ 1709.844891][T21917] usb 2-1: new high-speed USB device number 127 using dummy_hcd [ 1709.897150][ T46] usb 3-1: USB disconnect, device number 122 [ 1710.014896][T21917] usb 2-1: Using ep0 maxpacket: 8 [ 1710.025944][T21917] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1710.044476][T21917] usb 2-1: config 0 has no interface number 0 [ 1710.052126][T21917] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1710.061498][T21917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1710.071419][T21917] usb 2-1: Product: syz [ 1710.076248][T21917] usb 2-1: Manufacturer: syz [ 1710.081553][T21917] usb 2-1: SerialNumber: syz [ 1710.087505][T21917] usb 2-1: config 0 descriptor?? [ 1710.296825][T21917] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1710.313456][T21917] usb 2-1: No streaming interface found for terminal 6. [ 1710.320587][T21917] usb 2-1: Failed to create links for entity 5 [ 1710.334860][T21917] usb 2-1: Failed to register entities (-22). [ 1710.352187][T21917] usb 2-1: USB disconnect, device number 127 [ 1710.824839][T21917] usb 4-1: new full-speed USB device number 5 using dummy_hcd [ 1711.005919][T21917] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1711.024849][T21917] usb 4-1: config 0 has no interfaces? [ 1711.030401][T21917] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1711.049686][T21917] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1711.070163][T21917] usb 4-1: config 0 descriptor?? [ 1711.282133][T21917] usb 4-1: USB disconnect, device number 5 [ 1711.942601][T28555] 9pnet_fd: Insufficient options for proto=fd [ 1714.434653][T21917] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 1714.584632][T21917] usb 2-1: Using ep0 maxpacket: 8 [ 1714.590879][T21917] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1714.599195][T21917] usb 2-1: config 0 has no interface number 0 [ 1714.615876][T21917] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1714.625082][T21917] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1714.633479][T21917] usb 2-1: Product: syz [ 1714.638307][T21917] usb 2-1: Manufacturer: syz [ 1714.643532][T21917] usb 2-1: SerialNumber: syz [ 1714.659299][T21917] usb 2-1: config 0 descriptor?? [ 1714.880854][T21917] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1714.890714][T21917] usb 2-1: No streaming interface found for terminal 6. [ 1714.910781][T21917] usb 2-1: Failed to create links for entity 5 [ 1714.924705][T21917] usb 2-1: Failed to register entities (-22). [ 1714.944848][T21917] usb 2-1: USB disconnect, device number 2 [ 1715.574581][T21917] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 1715.634568][ T46] usb 3-1: new full-speed USB device number 123 using dummy_hcd [ 1715.704606][T21917] usb 4-1: device descriptor read/64, error -71 [ 1715.795673][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1715.814559][ T46] usb 3-1: config 0 has no interfaces? [ 1715.820130][ T46] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1715.835028][ T46] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1715.844290][ T46] usb 3-1: config 0 descriptor?? [ 1715.964568][T21917] usb 4-1: device descriptor read/64, error -71 [ 1716.054792][ T46] usb 3-1: USB disconnect, device number 123 [ 1716.204591][T21917] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 1716.354556][T21917] usb 4-1: device descriptor read/64, error -71 [ 1716.604723][T21917] usb 4-1: device descriptor read/64, error -71 [ 1716.724654][T21917] usb usb4-port1: attempt power cycle [ 1716.841738][T28804] 9pnet_fd: Insufficient options for proto=fd [ 1717.074524][T21917] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 1717.105522][T21917] usb 4-1: device descriptor read/8, error -71 [ 1717.235494][T21917] usb 4-1: device descriptor read/8, error -71 [ 1717.442081][T28820] 9pnet_fd: Insufficient options for proto=fd [ 1717.474484][T21917] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 1717.495626][T21917] usb 4-1: device descriptor read/8, error -71 [ 1717.625487][T21917] usb 4-1: device descriptor read/8, error -71 [ 1717.744461][T21917] usb usb4-port1: unable to enumerate USB device [ 1718.507036][T19971] bridge_slave_1: left allmulticast mode [ 1718.512747][T19971] bridge_slave_1: left promiscuous mode [ 1718.524518][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1718.542799][T19971] bridge_slave_0: left allmulticast mode [ 1718.548653][T19971] bridge_slave_0: left promiscuous mode [ 1718.564493][ T10] usb 2-1: new full-speed USB device number 3 using dummy_hcd [ 1718.572243][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1718.712335][T19971] veth1_macvtap: left promiscuous mode [ 1718.721607][T19971] veth0_vlan: left promiscuous mode [ 1718.732749][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1718.743010][ T10] usb 2-1: config 0 has no interfaces? [ 1718.763364][ T10] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1718.799039][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1718.820388][ T10] usb 2-1: config 0 descriptor?? [ 1718.926442][T28881] bridge0: port 1(bridge_slave_0) entered blocking state [ 1718.933593][T28881] bridge0: port 1(bridge_slave_0) entered disabled state [ 1718.941650][T28881] bridge_slave_0: entered allmulticast mode [ 1718.948315][T28881] bridge_slave_0: entered promiscuous mode [ 1718.955156][T28881] bridge0: port 2(bridge_slave_1) entered blocking state [ 1718.962261][T28881] bridge0: port 2(bridge_slave_1) entered disabled state [ 1718.969905][T28881] bridge_slave_1: entered allmulticast mode [ 1718.977824][T28881] bridge_slave_1: entered promiscuous mode [ 1719.037563][ T10] usb 2-1: USB disconnect, device number 3 [ 1719.110581][T28881] bridge0: port 2(bridge_slave_1) entered blocking state [ 1719.117819][T28881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1719.125566][T28881] bridge0: port 1(bridge_slave_0) entered blocking state [ 1719.132835][T28881] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1719.162007][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1719.170394][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1719.183056][T19971] bridge0: port 1(bridge_slave_0) entered blocking state [ 1719.190302][T19971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1719.198577][T19971] bridge0: port 2(bridge_slave_1) entered blocking state [ 1719.205695][T19971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1719.242203][T28881] veth0_vlan: entered promiscuous mode [ 1719.261619][T28881] veth1_macvtap: entered promiscuous mode [ 1719.401664][T28936] 9pnet_fd: Insufficient options for proto=fd [ 1720.194907][T28974] 9pnet_fd: Insufficient options for proto=fd [ 1720.244308][ T10] usb 3-1: new full-speed USB device number 124 using dummy_hcd [ 1720.298656][T28984] 9pnet_fd: Insufficient options for proto=fd [ 1720.415390][ T10] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1720.415407][T28992] 9pnet_fd: Insufficient options for proto=fd [ 1720.444306][ T10] usb 3-1: config 0 has no interfaces? [ 1720.449947][ T10] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1720.474455][ T10] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1720.494536][ T10] usb 3-1: config 0 descriptor?? [ 1720.703313][ T10] usb 3-1: USB disconnect, device number 124 [ 1720.939521][ T13] bridge_slave_1: left allmulticast mode [ 1720.947224][ T13] bridge_slave_1: left promiscuous mode [ 1720.952919][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1720.966327][ T13] bridge_slave_0: left allmulticast mode [ 1720.972354][ T13] bridge_slave_0: left promiscuous mode [ 1720.979179][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1721.133226][ T13] veth1_macvtap: left promiscuous mode [ 1721.139229][ T13] veth0_vlan: left promiscuous mode [ 1721.237039][T29014] bridge0: port 1(bridge_slave_0) entered blocking state [ 1721.258101][T29014] bridge0: port 1(bridge_slave_0) entered disabled state [ 1721.271593][T29014] bridge_slave_0: entered allmulticast mode [ 1721.282238][T29014] bridge_slave_0: entered promiscuous mode [ 1721.295225][T29014] bridge0: port 2(bridge_slave_1) entered blocking state [ 1721.310128][T29014] bridge0: port 2(bridge_slave_1) entered disabled state [ 1721.321482][T29014] bridge_slave_1: entered allmulticast mode [ 1721.328177][T29014] bridge_slave_1: entered promiscuous mode [ 1721.447945][T29014] bridge0: port 2(bridge_slave_1) entered blocking state [ 1721.455063][T29014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1721.462387][T29014] bridge0: port 1(bridge_slave_0) entered blocking state [ 1721.469693][T29014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1721.501955][T29043] 9pnet_fd: Insufficient options for proto=fd [ 1721.556867][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1721.575501][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1721.595142][T29045] 9pnet_fd: Insufficient options for proto=fd [ 1721.612058][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 1721.619405][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1721.638653][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 1721.645867][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1721.720078][T29014] veth0_vlan: entered promiscuous mode [ 1721.741671][T29014] veth1_macvtap: entered promiscuous mode [ 1722.244313][ T46] usb 4-1: new full-speed USB device number 10 using dummy_hcd [ 1722.405307][ T46] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1722.416523][ T46] usb 4-1: config 0 has no interfaces? [ 1722.422273][ T46] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1722.432999][ T46] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1722.445036][ T46] usb 4-1: config 0 descriptor?? [ 1722.658477][ T46] usb 4-1: USB disconnect, device number 10 [ 1724.314107][T21917] usb 4-1: new full-speed USB device number 11 using dummy_hcd [ 1724.465243][T21917] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1724.475864][T21917] usb 4-1: config 0 has no interfaces? [ 1724.481707][T21917] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1724.491341][T21917] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1724.500627][T21917] usb 4-1: config 0 descriptor?? [ 1724.710810][T21917] usb 4-1: USB disconnect, device number 11 [ 1725.124028][T23150] usb 3-1: new full-speed USB device number 125 using dummy_hcd [ 1725.228320][T29153] 9pnet_fd: Insufficient options for proto=fd [ 1725.285157][T23150] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1725.304400][T23150] usb 3-1: config 0 has no interfaces? [ 1725.309949][T23150] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1725.334022][T23150] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1725.354286][T23150] usb 3-1: config 0 descriptor?? [ 1725.562256][T16463] usb 3-1: USB disconnect, device number 125 [ 1726.643957][T23150] usb 4-1: new full-speed USB device number 12 using dummy_hcd [ 1726.661965][T29177] 9pnet_fd: Insufficient options for proto=fd [ 1726.729516][T29183] 9pnet_fd: Insufficient options for proto=fd [ 1726.805006][T23150] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1726.820194][T23150] usb 4-1: config 0 has no interfaces? [ 1726.828653][T23150] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1726.838251][T23150] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1726.852800][T23150] usb 4-1: config 0 descriptor?? [ 1726.932287][T29204] 9pnet_fd: Insufficient options for proto=fd [ 1726.973936][T21917] usb 2-1: new full-speed USB device number 4 using dummy_hcd [ 1727.065192][T23150] usb 4-1: USB disconnect, device number 12 [ 1727.134963][T21917] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1727.153919][T21917] usb 2-1: config 0 has no interfaces? [ 1727.159516][T21917] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1727.183904][T21917] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1727.192762][T21917] usb 2-1: config 0 descriptor?? [ 1727.419430][T23150] usb 2-1: USB disconnect, device number 4 [ 1728.157492][T29297] 9pnet_fd: Insufficient options for proto=fd [ 1728.503836][T16463] usb 2-1: new full-speed USB device number 5 using dummy_hcd [ 1728.609765][T29325] 9pnet_fd: Insufficient options for proto=fd [ 1728.667036][T16463] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1728.698214][T16463] usb 2-1: config 0 has no interfaces? [ 1728.708300][T16463] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1728.731557][T16463] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1728.740509][T16463] usb 2-1: config 0 descriptor?? [ 1728.792828][ T13] bridge_slave_1: left allmulticast mode [ 1728.798977][ T13] bridge_slave_1: left promiscuous mode [ 1728.804744][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1728.812638][ T13] bridge_slave_0: left allmulticast mode [ 1728.818413][ T46] usb 4-1: new full-speed USB device number 13 using dummy_hcd [ 1728.818617][ T13] bridge_slave_0: left promiscuous mode [ 1728.831759][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1728.896599][T29329] bridge0: port 1(bridge_slave_0) entered blocking state [ 1728.903710][T29329] bridge0: port 1(bridge_slave_0) entered disabled state [ 1728.911035][T29329] bridge_slave_0: entered allmulticast mode [ 1728.917467][T29329] bridge_slave_0: entered promiscuous mode [ 1728.924305][T29329] bridge0: port 2(bridge_slave_1) entered blocking state [ 1728.931352][T29329] bridge0: port 2(bridge_slave_1) entered disabled state [ 1728.938463][T29329] bridge_slave_1: entered allmulticast mode [ 1728.944890][T29329] bridge_slave_1: entered promiscuous mode [ 1728.955651][T16463] usb 2-1: USB disconnect, device number 5 [ 1728.973687][ T13] veth1_macvtap: left promiscuous mode [ 1728.979524][ T13] veth0_vlan: left promiscuous mode [ 1728.985542][ T46] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1728.999090][ T46] usb 4-1: config 0 has no interfaces? [ 1729.013880][ T46] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1729.023361][ T46] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1729.046004][ T46] usb 4-1: config 0 descriptor?? [ 1729.137631][T29329] bridge0: port 2(bridge_slave_1) entered blocking state [ 1729.144874][T29329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1729.152322][T29329] bridge0: port 1(bridge_slave_0) entered blocking state [ 1729.159430][T29329] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1729.188051][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1729.195686][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1729.207239][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 1729.214453][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1729.225938][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 1729.233048][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1729.254256][ T46] usb 4-1: USB disconnect, device number 13 [ 1729.269628][T29329] veth0_vlan: entered promiscuous mode [ 1729.290798][T29329] veth1_macvtap: entered promiscuous mode [ 1732.085410][T29486] 9pnet: Could not find request transport: fd0x0000000000000007 [ 1732.855028][ T46] usb 3-1: new full-speed USB device number 126 using dummy_hcd [ 1733.014652][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1733.033617][ T46] usb 3-1: config 0 has no interfaces? [ 1733.043611][ T46] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1733.063108][ T46] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1733.082363][ T46] usb 3-1: config 0 descriptor?? [ 1733.295588][ T46] usb 3-1: USB disconnect, device number 126 [ 1734.613518][ T46] usb 4-1: new high-speed USB device number 14 using dummy_hcd [ 1734.783553][ T46] usb 4-1: Using ep0 maxpacket: 8 [ 1734.792080][ T46] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1734.800720][ T46] usb 4-1: config 0 has no interface number 0 [ 1734.809073][ T46] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1734.818558][ T46] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1734.826881][ T46] usb 4-1: Product: syz [ 1734.831283][ T46] usb 4-1: Manufacturer: syz [ 1734.836494][ T46] usb 4-1: SerialNumber: syz [ 1734.842799][ T46] usb 4-1: config 0 descriptor?? [ 1734.963516][T23150] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 1735.051390][ T46] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1735.060751][ T46] usb 4-1: No streaming interface found for terminal 6. [ 1735.068370][ T46] usb 4-1: Failed to create links for entity 5 [ 1735.074868][ T46] usb 4-1: Failed to register entities (-22). [ 1735.091840][ T46] usb 4-1: USB disconnect, device number 14 [ 1735.123482][T23150] usb 2-1: Using ep0 maxpacket: 8 [ 1735.129679][T23150] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1735.143456][T23150] usb 2-1: config 0 has no interface number 0 [ 1735.151740][T23150] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1735.162880][T23150] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1735.171128][T23150] usb 2-1: Product: syz [ 1735.175581][T23150] usb 2-1: Manufacturer: syz [ 1735.180235][T23150] usb 2-1: SerialNumber: syz [ 1735.190033][T23150] usb 2-1: config 0 descriptor?? [ 1735.399153][T23150] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1735.406343][T23150] usb 2-1: No streaming interface found for terminal 6. [ 1735.413709][T23150] usb 2-1: Failed to create links for entity 5 [ 1735.419921][T23150] usb 2-1: Failed to register entities (-22). [ 1735.434772][T23150] usb 2-1: USB disconnect, device number 6 [ 1736.363396][ T3357] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 1736.535174][ T3357] usb 2-1: Using ep0 maxpacket: 8 [ 1736.544269][ T3357] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1736.562602][ T3357] usb 2-1: config 0 has no interface number 0 [ 1736.570448][ T3357] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1736.589886][ T3357] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1736.603369][ T3357] usb 2-1: Product: syz [ 1736.607609][ T3357] usb 2-1: Manufacturer: syz [ 1736.622714][ T3357] usb 2-1: SerialNumber: syz [ 1736.634105][ T3357] usb 2-1: config 0 descriptor?? [ 1736.846067][ T3357] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1736.855918][ T3357] usb 2-1: No streaming interface found for terminal 6. [ 1736.873106][ T3357] usb 2-1: Failed to create links for entity 5 [ 1736.883390][ T3357] usb 2-1: Failed to register entities (-22). [ 1736.899797][ T3357] usb 2-1: USB disconnect, device number 7 [ 1737.663344][T23150] usb 2-1: new high-speed USB device number 8 using dummy_hcd [ 1737.833336][T23150] usb 2-1: Using ep0 maxpacket: 8 [ 1737.843548][T23150] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1737.853310][T23150] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1737.864552][T23150] usb 2-1: config 0 has no interface number 0 [ 1737.872738][T23150] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1737.888033][T23150] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1737.896488][T23150] usb 2-1: Product: syz [ 1737.900877][T23150] usb 2-1: Manufacturer: syz [ 1737.905927][T23150] usb 2-1: SerialNumber: syz [ 1737.914127][T23150] usb 2-1: config 0 descriptor?? [ 1737.920286][T23150] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1737.927483][T23150] usb 2-1: No valid video chain found. [ 1738.126521][T23150] usb 2-1: USB disconnect, device number 8 [ 1738.223359][ T3357] usb 3-1: new high-speed USB device number 127 using dummy_hcd [ 1738.373328][ T3357] usb 3-1: Using ep0 maxpacket: 8 [ 1738.379811][ T3357] usb 3-1: config 0 has an invalid interface number: 31 but max is 0 [ 1738.388172][ T3357] usb 3-1: config 0 has no interface number 0 [ 1738.396147][ T3357] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1738.405497][ T3357] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1738.413810][ T3357] usb 3-1: Product: syz [ 1738.418199][ T3357] usb 3-1: Manufacturer: syz [ 1738.422915][ T3357] usb 3-1: SerialNumber: syz [ 1738.428924][ T3357] usb 3-1: config 0 descriptor?? [ 1738.635725][ T3357] usb 3-1: Found UVC 0.04 device syz (046d:08c3) [ 1738.642258][ T3357] usb 3-1: No streaming interface found for terminal 6. [ 1738.664356][ T3357] usb 3-1: Failed to create links for entity 5 [ 1738.670668][ T3357] usb 3-1: Failed to register entities (-22). [ 1738.694682][ T3357] usb 3-1: USB disconnect, device number 127 [ 1740.854533][T23150] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 1741.023137][T23150] usb 3-1: Using ep0 maxpacket: 8 [ 1741.034153][T23150] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1741.052213][T23150] usb 3-1: can't read configurations, error -61 [ 1741.193147][T23150] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 1741.353179][T23150] usb 3-1: Using ep0 maxpacket: 8 [ 1741.359808][T23150] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1741.367883][T23150] usb 3-1: can't read configurations, error -61 [ 1741.374598][T23150] usb usb3-port1: attempt power cycle [ 1741.483132][T16463] usb 4-1: new full-speed USB device number 15 using dummy_hcd [ 1741.634378][T16463] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1741.644803][T16463] usb 4-1: config 0 has no interfaces? [ 1741.650319][T16463] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1741.659707][T16463] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1741.673374][T16463] usb 4-1: config 0 descriptor?? [ 1741.723192][T23150] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 1741.743449][T23150] usb 3-1: Using ep0 maxpacket: 8 [ 1741.750208][T23150] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1741.758161][T23150] usb 3-1: can't read configurations, error -61 [ 1741.889654][T16463] usb 4-1: USB disconnect, device number 15 [ 1741.893213][T23150] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 1741.923437][T23150] usb 3-1: Using ep0 maxpacket: 8 [ 1741.931326][T23150] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1741.939513][T23150] usb 3-1: can't read configurations, error -61 [ 1741.946484][T23150] usb usb3-port1: unable to enumerate USB device [ 1742.203102][ T10] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 1742.353170][ T10] usb 2-1: Using ep0 maxpacket: 8 [ 1742.359469][ T10] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1742.367909][ T10] usb 2-1: config 0 has no interface number 0 [ 1742.375608][ T10] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1742.384720][ T10] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1742.392726][ T10] usb 2-1: Product: syz [ 1742.396952][ T10] usb 2-1: Manufacturer: syz [ 1742.401599][ T10] usb 2-1: SerialNumber: syz [ 1742.409180][ T10] usb 2-1: config 0 descriptor?? [ 1742.616686][ T10] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1742.623369][ T10] usb 2-1: No valid video chain found. [ 1742.629582][ T10] usb 2-1: USB disconnect, device number 9 [ 1743.393021][T16463] usb 2-1: new full-speed USB device number 10 using dummy_hcd [ 1743.544226][T16463] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1743.554678][T16463] usb 2-1: config 0 has no interfaces? [ 1743.560371][T16463] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1743.569543][T16463] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1743.578543][T16463] usb 2-1: config 0 descriptor?? [ 1743.583039][T21917] usb 4-1: new full-speed USB device number 16 using dummy_hcd [ 1743.734692][T21917] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1743.745179][T21917] usb 4-1: config 0 has no interfaces? [ 1743.750699][T21917] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1743.759873][T21917] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1743.769094][T21917] usb 4-1: config 0 descriptor?? [ 1743.786237][T21917] usb 2-1: USB disconnect, device number 10 [ 1743.976468][T21917] usb 4-1: USB disconnect, device number 16 [ 1744.584430][ T331] bridge_slave_1: left allmulticast mode [ 1744.590141][ T331] bridge_slave_1: left promiscuous mode [ 1744.602988][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1744.623384][ T331] bridge_slave_0: left allmulticast mode [ 1744.629101][ T331] bridge_slave_0: left promiscuous mode [ 1744.643001][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1744.732284][T30009] bridge0: port 1(bridge_slave_0) entered blocking state [ 1744.752383][T30009] bridge0: port 1(bridge_slave_0) entered disabled state [ 1744.763698][T30009] bridge_slave_0: entered allmulticast mode [ 1744.770153][T30009] bridge_slave_0: entered promiscuous mode [ 1744.794159][ T331] veth1_macvtap: left promiscuous mode [ 1744.799812][ T331] veth0_vlan: left promiscuous mode [ 1744.937052][T30009] bridge0: port 2(bridge_slave_1) entered blocking state [ 1744.949804][T30009] bridge0: port 2(bridge_slave_1) entered disabled state [ 1744.957279][T30009] bridge_slave_1: entered allmulticast mode [ 1744.964144][T30009] bridge_slave_1: entered promiscuous mode [ 1745.038792][T30009] bridge0: port 2(bridge_slave_1) entered blocking state [ 1745.046004][T30009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1745.053352][T30009] bridge0: port 1(bridge_slave_0) entered blocking state [ 1745.060505][T30009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1745.087065][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1745.095172][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1745.106188][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 1745.113432][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1745.138590][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 1745.145736][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1745.176351][T30009] veth0_vlan: entered promiscuous mode [ 1745.190598][T30009] veth1_macvtap: entered promiscuous mode [ 1745.192923][ T10] usb 3-1: new full-speed USB device number 6 using dummy_hcd [ 1745.353985][ T10] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1745.364377][ T10] usb 3-1: config 0 has no interfaces? [ 1745.369910][ T10] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1745.381765][ T10] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1745.393122][ T10] usb 3-1: config 0 descriptor?? [ 1745.600376][ T10] usb 3-1: USB disconnect, device number 6 [ 1746.422855][ T46] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 1746.582893][T23150] usb 2-1: new full-speed USB device number 11 using dummy_hcd [ 1746.590637][ T46] usb 3-1: device descriptor read/64, error -71 [ 1746.744705][T23150] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1746.755089][T23150] usb 2-1: config 0 has no interfaces? [ 1746.760690][T23150] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1746.770944][T23150] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1746.781774][T23150] usb 2-1: config 0 descriptor?? [ 1746.832809][ T46] usb 3-1: device descriptor read/64, error -71 [ 1746.991075][ T3357] usb 2-1: USB disconnect, device number 11 [ 1747.072840][ T46] usb 3-1: new high-speed USB device number 8 using dummy_hcd [ 1747.202812][ T46] usb 3-1: device descriptor read/64, error -71 [ 1747.442794][ T46] usb 3-1: device descriptor read/64, error -71 [ 1747.555312][ T46] usb usb3-port1: attempt power cycle [ 1747.612256][T30157] FAULT_INJECTION: forcing a failure. [ 1747.612256][T30157] name failslab, interval 1, probability 0, space 0, times 0 [ 1747.625030][T30157] CPU: 0 UID: 0 PID: 30157 Comm: syz.1.46016 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1747.625076][T30157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1747.625094][T30157] Call Trace: [ 1747.625100][T30157] [ 1747.625107][T30157] __dump_stack+0x21/0x30 [ 1747.625135][T30157] dump_stack_lvl+0x10c/0x190 [ 1747.625156][T30157] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1747.625178][T30157] ? __kasan_check_write+0x18/0x20 [ 1747.625203][T30157] ? proc_fail_nth_write+0x17e/0x210 [ 1747.625224][T30157] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1747.625246][T30157] dump_stack+0x19/0x20 [ 1747.625266][T30157] should_fail_ex+0x3d9/0x530 [ 1747.625283][T30157] should_failslab+0xac/0x100 [ 1747.625302][T30157] kmem_cache_alloc_noprof+0x42/0x430 [ 1747.625318][T30157] ? getname_flags+0xc6/0x710 [ 1747.625336][T30157] getname_flags+0xc6/0x710 [ 1747.625350][T30157] ? build_open_flags+0x487/0x600 [ 1747.625372][T30157] getname+0x1b/0x30 [ 1747.625386][T30157] do_sys_openat2+0xcb/0x1c0 [ 1747.625406][T30157] ? fput+0x1a5/0x240 [ 1747.625425][T30157] ? do_sys_open+0x100/0x100 [ 1747.625445][T30157] ? ksys_write+0x1ef/0x250 [ 1747.625459][T30157] ? __cfi_ksys_write+0x10/0x10 [ 1747.625475][T30157] __x64_sys_openat+0x13a/0x170 [ 1747.625497][T30157] x64_sys_call+0xe69/0x2ee0 [ 1747.625520][T30157] do_syscall_64+0x58/0xf0 [ 1747.625541][T30157] ? clear_bhb_loop+0x50/0xa0 [ 1747.625560][T30157] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1747.625577][T30157] RIP: 0033:0x7f9e9098df10 [ 1747.625591][T30157] Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 69 95 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 bc 95 02 00 8b 44 [ 1747.625605][T30157] RSP: 002b:00007f9e91752f60 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 1747.625624][T30157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e9098df10 [ 1747.625636][T30157] RDX: 0000000000000000 RSI: 00007f9e90a1207e RDI: 00000000ffffff9c [ 1747.625647][T30157] RBP: 00007f9e90a1207e R08: 0000000000000000 R09: 0000000000000000 [ 1747.625658][T30157] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 1747.625668][T30157] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1747.625682][T30157] [ 1747.822778][T21917] usb 4-1: new full-speed USB device number 17 using dummy_hcd [ 1747.912809][ T46] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 1747.953751][ T46] usb 3-1: device descriptor read/8, error -71 [ 1748.013823][T21917] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1748.024035][T21917] usb 4-1: config 0 has no interfaces? [ 1748.029546][T21917] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1748.038668][T21917] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1748.050805][T21917] usb 4-1: config 0 descriptor?? [ 1748.083890][ T46] usb 3-1: device descriptor read/8, error -71 [ 1748.260536][ T10] usb 4-1: USB disconnect, device number 17 [ 1748.332860][ T46] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 1748.353929][ T46] usb 3-1: device descriptor read/8, error -71 [ 1748.484023][ T46] usb 3-1: device descriptor read/8, error -71 [ 1748.592858][ T46] usb usb3-port1: unable to enumerate USB device [ 1750.352613][ T3357] usb 4-1: new full-speed USB device number 18 using dummy_hcd [ 1750.372668][ T46] usb 3-1: new full-speed USB device number 11 using dummy_hcd [ 1750.513869][ T3357] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1750.524384][ T3357] usb 4-1: config 0 has no interfaces? [ 1750.529899][ T3357] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1750.539506][ T3357] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1750.549417][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1750.553140][ T3357] usb 4-1: config 0 descriptor?? [ 1750.559712][ T46] usb 3-1: config 0 has no interfaces? [ 1750.570450][ T46] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1750.579854][ T46] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1750.588821][ T46] usb 3-1: config 0 descriptor?? [ 1750.771993][ T46] usb 4-1: USB disconnect, device number 18 [ 1750.796060][T23150] usb 3-1: USB disconnect, device number 11 [ 1750.822597][ T3357] usb 2-1: new high-speed USB device number 12 using dummy_hcd [ 1750.972640][ T3357] usb 2-1: Using ep0 maxpacket: 8 [ 1750.978934][ T3357] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1750.987306][ T3357] usb 2-1: config 0 has no interface number 0 [ 1750.995019][ T3357] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1751.004138][ T3357] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1751.012231][ T3357] usb 2-1: Product: syz [ 1751.016467][ T3357] usb 2-1: Manufacturer: syz [ 1751.021110][ T3357] usb 2-1: SerialNumber: syz [ 1751.026596][ T3357] usb 2-1: config 0 descriptor?? [ 1751.233947][ T3357] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1751.240407][ T3357] usb 2-1: No streaming interface found for terminal 6. [ 1751.249330][ T3357] usb 2-1: USB disconnect, device number 12 [ 1752.002507][ T10] usb 4-1: new full-speed USB device number 19 using dummy_hcd [ 1752.163659][ T10] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1752.174485][ T10] usb 4-1: config 0 has no interfaces? [ 1752.180054][ T10] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1752.189663][ T10] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1752.199168][ T10] usb 4-1: config 0 descriptor?? [ 1752.413661][T23150] usb 4-1: USB disconnect, device number 19 [ 1752.502544][ T46] usb 3-1: new high-speed USB device number 12 using dummy_hcd [ 1752.652517][ T46] usb 3-1: Using ep0 maxpacket: 8 [ 1752.658990][ T46] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1752.669864][ T46] usb 3-1: config 0 has no interfaces? [ 1752.681105][ T46] usb 3-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1752.690725][ T46] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1752.699248][ T46] usb 3-1: Product: syz [ 1752.703725][ T46] usb 3-1: Manufacturer: syz [ 1752.708539][ T46] usb 3-1: SerialNumber: syz [ 1752.717750][ T46] usb 3-1: config 0 descriptor?? [ 1752.935958][ T46] usb 3-1: USB disconnect, device number 12 [ 1753.292459][ T10] usb 4-1: new full-speed USB device number 20 using dummy_hcd [ 1753.453494][ T10] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1753.464234][ T10] usb 4-1: config 0 has no interfaces? [ 1753.470118][ T10] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1753.482273][ T10] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1753.491892][ T10] usb 4-1: config 0 descriptor?? [ 1753.703265][T23666] usb 4-1: USB disconnect, device number 20 [ 1754.422396][T23666] usb 3-1: new full-speed USB device number 13 using dummy_hcd [ 1754.573450][T23666] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1754.584068][T23666] usb 3-1: config 0 has no interfaces? [ 1754.589657][T23666] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1754.599127][T23666] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1754.610182][T23666] usb 3-1: config 0 descriptor?? [ 1754.817342][T21917] usb 3-1: USB disconnect, device number 13 [ 1755.032376][T23666] usb 2-1: new full-speed USB device number 13 using dummy_hcd [ 1755.184470][T23666] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1755.194971][T23666] usb 2-1: config 0 has no interfaces? [ 1755.200488][T23666] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1755.210008][T23666] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1755.219356][T23666] usb 2-1: config 0 descriptor?? [ 1755.430374][T21917] usb 2-1: USB disconnect, device number 13 [ 1755.822337][T23150] usb 4-1: new full-speed USB device number 21 using dummy_hcd [ 1755.983464][T23150] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1755.993831][T23150] usb 4-1: config 0 has no interfaces? [ 1755.999440][T23150] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1756.008989][T23150] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1756.018121][T23150] usb 4-1: config 0 descriptor?? [ 1756.230295][T23666] usb 4-1: USB disconnect, device number 21 [ 1756.405024][T30421] FAULT_INJECTION: forcing a failure. [ 1756.405024][T30421] name failslab, interval 1, probability 0, space 0, times 0 [ 1756.417849][T30421] CPU: 0 UID: 0 PID: 30421 Comm: syz.1.46139 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1756.417886][T30421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1756.417904][T30421] Call Trace: [ 1756.417912][T30421] [ 1756.417920][T30421] __dump_stack+0x21/0x30 [ 1756.417947][T30421] dump_stack_lvl+0x10c/0x190 [ 1756.417969][T30421] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1756.417991][T30421] ? proc_fail_nth_write+0x17e/0x210 [ 1756.418014][T30421] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1756.418037][T30421] dump_stack+0x19/0x20 [ 1756.418057][T30421] should_fail_ex+0x3d9/0x530 [ 1756.418075][T30421] should_failslab+0xac/0x100 [ 1756.418102][T30421] kmem_cache_alloc_noprof+0x42/0x430 [ 1756.418118][T30421] ? getname_flags+0xc6/0x710 [ 1756.418135][T30421] getname_flags+0xc6/0x710 [ 1756.418150][T30421] ? build_open_flags+0x487/0x600 [ 1756.418172][T30421] getname+0x1b/0x30 [ 1756.418187][T30421] do_sys_openat2+0xcb/0x1c0 [ 1756.418208][T30421] ? do_sys_open+0x100/0x100 [ 1756.418228][T30421] ? pty_unix98_ioctl+0x13d/0x440 [ 1756.418248][T30421] ? __kasan_check_write+0x18/0x20 [ 1756.418274][T30421] __x64_sys_openat+0x13a/0x170 [ 1756.418296][T30421] x64_sys_call+0xe69/0x2ee0 [ 1756.418320][T30421] do_syscall_64+0x58/0xf0 [ 1756.418344][T30421] ? clear_bhb_loop+0x50/0xa0 [ 1756.418462][T30421] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1756.418480][T30421] RIP: 0033:0x7f9e9098df10 [ 1756.418495][T30421] Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 69 95 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 bc 95 02 00 8b 44 [ 1756.418510][T30421] RSP: 002b:00007f9e91752f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 1756.418528][T30421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e9098df10 [ 1756.418541][T30421] RDX: 0000000000000000 RSI: 00007f9e91752fa0 RDI: 00000000ffffff9c [ 1756.418552][T30421] RBP: 00007f9e91752fa0 R08: 0000000000000000 R09: 00007f9e91752d17 [ 1756.418564][T30421] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 1756.418574][T30421] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1756.418588][T30421] [ 1756.902281][ T10] usb 2-1: new full-speed USB device number 14 using dummy_hcd [ 1757.053551][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1757.064113][ T10] usb 2-1: config 0 has no interfaces? [ 1757.069773][ T10] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1757.081935][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1757.092217][ T10] usb 2-1: config 0 descriptor?? [ 1757.117428][ T36] kauditd_printk_skb: 15 callbacks suppressed [ 1757.117449][ T36] audit: type=1400 audit(1763224118.464:315): avc: denied { read } for pid=30446 comm="syz.0.46159" name="event2" dev="devtmpfs" ino=207 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1 [ 1757.159298][ T36] audit: type=1400 audit(1763224118.464:316): avc: denied { open } for pid=30446 comm="syz.0.46159" path="/dev/input/event2" dev="devtmpfs" ino=207 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1 [ 1757.186125][ T36] audit: type=1400 audit(1763224118.494:317): avc: denied { ioctl } for pid=30446 comm="syz.0.46159" path="/dev/input/event2" dev="devtmpfs" ino=207 ioctlcmd=0x4593 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1 [ 1757.299581][T23666] usb 2-1: USB disconnect, device number 14 [ 1757.339390][T30462] FAULT_INJECTION: forcing a failure. [ 1757.339390][T30462] name failslab, interval 1, probability 0, space 0, times 0 [ 1757.372204][T30462] CPU: 1 UID: 0 PID: 30462 Comm: syz.0.46166 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1757.372251][T30462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1757.372266][T30462] Call Trace: [ 1757.372274][T30462] [ 1757.372283][T30462] __dump_stack+0x21/0x30 [ 1757.372320][T30462] dump_stack_lvl+0x10c/0x190 [ 1757.372351][T30462] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1757.372382][T30462] ? handle_mm_fault+0x169b/0x1b90 [ 1757.372409][T30462] dump_stack+0x19/0x20 [ 1757.372438][T30462] should_fail_ex+0x3d9/0x530 [ 1757.372461][T30462] should_failslab+0xac/0x100 [ 1757.372487][T30462] kmem_cache_alloc_noprof+0x42/0x430 [ 1757.372508][T30462] ? lock_vma_under_rcu+0x49d/0x540 [ 1757.372533][T30462] ? getname_flags+0xc6/0x710 [ 1757.372556][T30462] getname_flags+0xc6/0x710 [ 1757.372578][T30462] ? build_open_flags+0x487/0x600 [ 1757.372609][T30462] getname+0x1b/0x30 [ 1757.372630][T30462] do_sys_openat2+0xcb/0x1c0 [ 1757.372661][T30462] ? do_sys_open+0x100/0x100 [ 1757.372691][T30462] ? __kasan_check_write+0x18/0x20 [ 1757.372725][T30462] ? do_user_addr_fault+0xbc4/0x1200 [ 1757.372758][T30462] ? __cfi_ksys_write+0x10/0x10 [ 1757.372781][T30462] __x64_sys_openat+0x13a/0x170 [ 1757.372812][T30462] x64_sys_call+0xe69/0x2ee0 [ 1757.372846][T30462] do_syscall_64+0x58/0xf0 [ 1757.372876][T30462] ? clear_bhb_loop+0x50/0xa0 [ 1757.372902][T30462] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1757.372926][T30462] RIP: 0033:0x7f9869b8df10 [ 1757.372946][T30462] Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 69 95 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 bc 95 02 00 8b 44 [ 1757.372967][T30462] RSP: 002b:00007f986a989b70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 1757.372994][T30462] RAX: ffffffffffffffda RBX: 0000000000160822 RCX: 00007f9869b8df10 [ 1757.373012][T30462] RDX: 0000000000160822 RSI: 00007f986a989c10 RDI: 00000000ffffff9c [ 1757.373028][T30462] RBP: 00007f986a989c10 R08: 0000000000000000 R09: 0023706f6f6c2f76 [ 1757.373045][T30462] R10: 0000000000000000 R11: 0000000000000293 R12: cccccccccccccccd [ 1757.373061][T30462] R13: 00007f9869de6038 R14: 00007f9869de5fa0 R15: 00007ffe9b4de878 [ 1757.373082][T30462] [ 1757.841496][ T36] audit: type=1400 audit(1763224119.184:318): avc: denied { write } for pid=30485 comm="syz.1.46178" name="uinput" dev="devtmpfs" ino=194 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1 [ 1758.139949][T30510] FAULT_INJECTION: forcing a failure. [ 1758.139949][T30510] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1758.155011][T30512] FAULT_INJECTION: forcing a failure. [ 1758.155011][T30512] name failslab, interval 1, probability 0, space 0, times 0 [ 1758.167870][T30510] CPU: 1 UID: 0 PID: 30510 Comm: syz.1.46190 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1758.167909][T30510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1758.167925][T30510] Call Trace: [ 1758.167933][T30510] [ 1758.167943][T30510] __dump_stack+0x21/0x30 [ 1758.167980][T30510] dump_stack_lvl+0x10c/0x190 [ 1758.168012][T30510] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1758.168044][T30510] ? check_stack_object+0x12c/0x140 [ 1758.168067][T30510] dump_stack+0x19/0x20 [ 1758.168097][T30510] should_fail_ex+0x3d9/0x530 [ 1758.168121][T30510] should_fail+0xf/0x20 [ 1758.168142][T30510] should_fail_usercopy+0x1e/0x30 [ 1758.168167][T30510] _copy_to_user+0x24/0xa0 [ 1758.168197][T30510] simple_read_from_buffer+0xed/0x160 [ 1758.168227][T30510] proc_fail_nth_read+0x19e/0x210 [ 1758.168258][T30510] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1758.168287][T30510] ? vfs_writev+0xa16/0xcf0 [ 1758.168314][T30510] ? bpf_lsm_file_permission+0xd/0x20 [ 1758.168346][T30510] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1758.168376][T30510] vfs_read+0x27d/0xc70 [ 1758.168398][T30510] ? __cfi_vfs_read+0x10/0x10 [ 1758.168530][T30510] ? __kasan_check_write+0x18/0x20 [ 1758.168566][T30510] ? mutex_lock+0x92/0x1c0 [ 1758.168589][T30510] ? __cfi_mutex_lock+0x10/0x10 [ 1758.168609][T30510] ? __fget_files+0x2c5/0x340 [ 1758.168636][T30510] ksys_read+0x141/0x250 [ 1758.168657][T30510] ? __cfi_ksys_read+0x10/0x10 [ 1758.168677][T30510] ? __kasan_check_read+0x15/0x20 [ 1758.168711][T30510] __x64_sys_read+0x7f/0x90 [ 1758.168732][T30510] x64_sys_call+0x2638/0x2ee0 [ 1758.168765][T30510] do_syscall_64+0x58/0xf0 [ 1758.168833][T30510] ? clear_bhb_loop+0x50/0xa0 [ 1758.168860][T30510] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1758.168885][T30510] RIP: 0033:0x7f9e9098e0dc [ 1758.168905][T30510] 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 [ 1758.168930][T30510] RSP: 002b:00007f9e91753030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1758.168956][T30510] RAX: ffffffffffffffda RBX: 00007f9e90be5fa0 RCX: 00007f9e9098e0dc [ 1758.168977][T30510] RDX: 000000000000000f RSI: 00007f9e917530a0 RDI: 0000000000000007 [ 1758.168993][T30510] RBP: 00007f9e91753090 R08: 0000000000000000 R09: 0000000000000000 [ 1758.169009][T30510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1758.169024][T30510] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1758.169044][T30510] [ 1758.417357][T30512] CPU: 1 UID: 0 PID: 30512 Comm: syz.2.46179 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1758.417397][T30512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1758.417412][T30512] Call Trace: [ 1758.417420][T30512] [ 1758.417430][T30512] __dump_stack+0x21/0x30 [ 1758.417467][T30512] dump_stack_lvl+0x10c/0x190 [ 1758.417500][T30512] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1758.417534][T30512] dump_stack+0x19/0x20 [ 1758.417564][T30512] should_fail_ex+0x3d9/0x530 [ 1758.417588][T30512] should_failslab+0xac/0x100 [ 1758.417615][T30512] __kmalloc_node_noprof+0x6c/0x520 [ 1758.417638][T30512] ? __kvmalloc_node_noprof+0x11d/0x300 [ 1758.417673][T30512] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 1758.417709][T30512] __kvmalloc_node_noprof+0x11d/0x300 [ 1758.417745][T30512] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 1758.417780][T30512] ? _parse_integer_limit+0x195/0x1e0 [ 1758.417816][T30512] seq_read_iter+0x21f/0xfe0 [ 1758.417844][T30512] ? kstrtoull+0x13b/0x1e0 [ 1758.417878][T30512] seq_read+0x36a/0x480 [ 1758.417906][T30512] ? __cfi_seq_read+0x10/0x10 [ 1758.417933][T30512] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1758.417966][T30512] ? bpf_lsm_file_permission+0xd/0x20 [ 1758.417998][T30512] ? __cfi_seq_read+0x10/0x10 [ 1758.418025][T30512] vfs_read+0x27d/0xc70 [ 1758.418047][T30512] ? __cfi_vfs_read+0x10/0x10 [ 1758.418068][T30512] ? __kasan_check_write+0x18/0x20 [ 1758.418103][T30512] ? mutex_lock+0x92/0x1c0 [ 1758.418125][T30512] ? __cfi_mutex_lock+0x10/0x10 [ 1758.418147][T30512] ? __fget_files+0x2c5/0x340 [ 1758.418173][T30512] ksys_read+0x141/0x250 [ 1758.418194][T30512] ? __cfi_ksys_read+0x10/0x10 [ 1758.418216][T30512] ? __kasan_check_read+0x15/0x20 [ 1758.418250][T30512] __x64_sys_read+0x7f/0x90 [ 1758.418272][T30512] x64_sys_call+0x2638/0x2ee0 [ 1758.418306][T30512] do_syscall_64+0x58/0xf0 [ 1758.418336][T30512] ? clear_bhb_loop+0x50/0xa0 [ 1758.418362][T30512] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1758.418387][T30512] RIP: 0033:0x7ff7fbf8f6c9 [ 1758.418413][T30512] 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 [ 1758.418435][T30512] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1758.418461][T30512] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1758.418480][T30512] RDX: 0000000000002020 RSI: 00002000000005c0 RDI: 0000000000000007 [ 1758.418497][T30512] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1758.418513][T30512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1758.418528][T30512] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1758.418549][T30512] [ 1758.966455][T30530] FAULT_INJECTION: forcing a failure. [ 1758.966455][T30530] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1759.022142][T30530] CPU: 0 UID: 0 PID: 30530 Comm: syz.2.46200 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1759.022182][T30530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1759.022197][T30530] Call Trace: [ 1759.022205][T30530] [ 1759.022215][T30530] __dump_stack+0x21/0x30 [ 1759.022252][T30530] dump_stack_lvl+0x10c/0x190 [ 1759.022283][T30530] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1759.022317][T30530] dump_stack+0x19/0x20 [ 1759.022346][T30530] should_fail_ex+0x3d9/0x530 [ 1759.022371][T30530] should_fail+0xf/0x20 [ 1759.022392][T30530] should_fail_usercopy+0x1e/0x30 [ 1759.022418][T30530] _copy_from_user+0x22/0xb0 [ 1759.022447][T30530] lo_ioctl+0x52c/0x1d50 [ 1759.022477][T30530] ? __cfi_lo_ioctl+0x10/0x10 [ 1759.022504][T30530] ? stack_depot_save_flags+0x38/0x800 [ 1759.022530][T30530] ? stack_trace_save+0x9d/0xe0 [ 1759.022564][T30530] ? kasan_save_track+0x4f/0x80 [ 1759.022588][T30530] ? kasan_save_track+0x3e/0x80 [ 1759.022612][T30530] ? kasan_save_alloc_info+0x40/0x50 [ 1759.022644][T30530] ? __kasan_slab_alloc+0x73/0x90 [ 1759.022669][T30530] ? kmem_cache_alloc_noprof+0x1cb/0x430 [ 1759.022692][T30530] ? security_inode_alloc+0x51/0x200 [ 1759.022726][T30530] ? inode_init_always_gfp+0x756/0x9e0 [ 1759.022752][T30530] ? alloc_inode+0xc5/0x270 [ 1759.022778][T30530] ? new_inode+0x25/0x1e0 [ 1759.022814][T30530] ? proc_pid_make_inode+0x25/0x140 [ 1759.022838][T30530] ? proc_pident_instantiate+0x6d/0x2c0 [ 1759.022864][T30530] ? proc_pident_lookup+0x1c7/0x270 [ 1759.022890][T30530] ? proc_tid_base_lookup+0x2f/0x40 [ 1759.022920][T30530] ? path_openat+0x1301/0x34b0 [ 1759.022948][T30530] ? do_filp_open+0x1c6/0x3e0 [ 1759.022975][T30530] ? do_sys_openat2+0x12c/0x1c0 [ 1759.023005][T30530] ? __x64_sys_openat+0x13a/0x170 [ 1759.023035][T30530] ? x64_sys_call+0xe69/0x2ee0 [ 1759.023069][T30530] ? do_syscall_64+0x58/0xf0 [ 1759.023098][T30530] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1759.023126][T30530] ? avc_has_perm_noaudit+0x268/0x360 [ 1759.023158][T30530] ? __asan_memcpy+0x5a/0x80 [ 1759.023183][T30530] ? avc_has_perm_noaudit+0x286/0x360 [ 1759.023216][T30530] ? avc_has_perm+0x144/0x220 [ 1759.023248][T30530] ? __cfi_avc_has_perm+0x10/0x10 [ 1759.023279][T30530] ? kasan_save_alloc_info+0x40/0x50 [ 1759.023315][T30530] ? selinux_file_open+0x457/0x610 [ 1759.023343][T30530] ? __cfi_selinux_file_open+0x10/0x10 [ 1759.023374][T30530] ? avc_has_extended_perms+0x7c7/0xdd0 [ 1759.023407][T30530] ? __asan_memcpy+0x5a/0x80 [ 1759.023428][T30530] ? avc_has_extended_perms+0x921/0xdd0 [ 1759.023463][T30530] ? do_vfs_ioctl+0xeda/0x1e30 [ 1759.023488][T30530] ? arch_stack_walk+0x10b/0x170 [ 1759.023510][T30530] ? __ia32_compat_sys_ioctl+0x850/0x850 [ 1759.023544][T30530] ? _parse_integer+0x2e/0x40 [ 1759.023580][T30530] ? blkdev_common_ioctl+0x10e4/0x2810 [ 1759.023613][T30530] ? blkdev_bszset+0x220/0x220 [ 1759.023645][T30530] ? has_cap_mac_admin+0xd0/0xd0 [ 1759.023674][T30530] ? proc_fail_nth_write+0x17e/0x210 [ 1759.023710][T30530] ? __kasan_check_write+0x18/0x20 [ 1759.023745][T30530] ? mutex_unlock+0x8b/0x240 [ 1759.023766][T30530] ? __cfi_mutex_unlock+0x10/0x10 [ 1759.023787][T30530] ? __fget_files+0x2c5/0x340 [ 1759.023819][T30530] ? __cfi_lo_ioctl+0x10/0x10 [ 1759.023844][T30530] blkdev_ioctl+0x546/0x680 [ 1759.023876][T30530] ? __cfi_blkdev_ioctl+0x10/0x10 [ 1759.023909][T30530] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1759.023940][T30530] ? security_file_ioctl+0x34/0xd0 [ 1759.023966][T30530] ? __cfi_blkdev_ioctl+0x10/0x10 [ 1759.023997][T30530] __se_sys_ioctl+0x135/0x1b0 [ 1759.024023][T30530] __x64_sys_ioctl+0x7f/0xa0 [ 1759.024047][T30530] x64_sys_call+0x1878/0x2ee0 [ 1759.024082][T30530] do_syscall_64+0x58/0xf0 [ 1759.024111][T30530] ? clear_bhb_loop+0x50/0xa0 [ 1759.024137][T30530] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1759.024162][T30530] RIP: 0033:0x7ff7fbf8f6c9 [ 1759.024182][T30530] 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 [ 1759.024204][T30530] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1759.024230][T30530] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1759.024248][T30530] RDX: 0000000000000000 RSI: 0000000000004c0a RDI: 0000000000000007 [ 1759.024263][T30530] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1759.024279][T30530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1759.024294][T30530] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1759.024314][T30530] [ 1759.872269][T23150] usb 2-1: new high-speed USB device number 15 using dummy_hcd [ 1759.932059][T21917] usb 3-1: new full-speed USB device number 14 using dummy_hcd [ 1760.002089][T23150] usb 2-1: device descriptor read/64, error -71 [ 1760.093277][T21917] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1760.103711][T21917] usb 3-1: config 0 has no interfaces? [ 1760.109604][T21917] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1760.125053][T21917] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1760.140921][T21917] usb 3-1: config 0 descriptor?? [ 1760.262040][T23150] usb 2-1: device descriptor read/64, error -71 [ 1760.355137][T21917] usb 3-1: USB disconnect, device number 14 [ 1760.502100][T23150] usb 2-1: new high-speed USB device number 16 using dummy_hcd [ 1760.642027][T23150] usb 2-1: device descriptor read/64, error -71 [ 1760.882027][T23150] usb 2-1: device descriptor read/64, error -71 [ 1761.002678][T23150] usb usb2-port1: attempt power cycle [ 1761.351993][T23150] usb 2-1: new high-speed USB device number 17 using dummy_hcd [ 1761.382997][T23150] usb 2-1: device descriptor read/8, error -71 [ 1761.522973][T23150] usb 2-1: device descriptor read/8, error -71 [ 1761.771984][T23150] usb 2-1: new high-speed USB device number 18 using dummy_hcd [ 1761.812979][T23150] usb 2-1: device descriptor read/8, error -71 [ 1761.942976][T23150] usb 2-1: device descriptor read/8, error -71 [ 1762.053133][T23150] usb usb2-port1: unable to enumerate USB device [ 1762.521970][T21917] usb 3-1: new full-speed USB device number 15 using dummy_hcd [ 1762.652014][T21917] usb 3-1: device descriptor read/64, error -71 [ 1762.892176][T21917] usb 3-1: device descriptor read/64, error -71 [ 1763.021944][T23150] usb 2-1: new high-speed USB device number 19 using dummy_hcd [ 1763.131948][T21917] usb 3-1: new full-speed USB device number 16 using dummy_hcd [ 1763.172186][T23150] usb 2-1: Using ep0 maxpacket: 8 [ 1763.172192][T23666] usb 4-1: new full-speed USB device number 22 using dummy_hcd [ 1763.186317][T23150] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1763.194513][T23150] usb 2-1: config 0 has no interface number 0 [ 1763.202364][T23150] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1763.211433][T23150] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1763.219604][T23150] usb 2-1: Product: syz [ 1763.223863][T23150] usb 2-1: Manufacturer: syz [ 1763.228501][T23150] usb 2-1: SerialNumber: syz [ 1763.234074][T23150] usb 2-1: config 0 descriptor?? [ 1763.261931][T21917] usb 3-1: device descriptor read/64, error -71 [ 1763.323067][T23666] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1763.333338][T23666] usb 4-1: config 0 has no interfaces? [ 1763.338871][T23666] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1763.348116][T23666] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1763.356993][T23666] usb 4-1: config 0 descriptor?? [ 1763.441469][T23150] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1763.448172][T23150] usb 2-1: No streaming interface found for terminal 6. [ 1763.455410][T23150] usb 2-1: Failed to create links for entity 5 [ 1763.461621][T23150] usb 2-1: Failed to register entities (-22). [ 1763.469075][T23150] usb 2-1: USB disconnect, device number 19 [ 1763.511915][T21917] usb 3-1: device descriptor read/64, error -71 [ 1763.563556][T23666] usb 4-1: USB disconnect, device number 22 [ 1763.631990][T21917] usb usb3-port1: attempt power cycle [ 1763.971861][T21917] usb 3-1: new full-speed USB device number 17 using dummy_hcd [ 1764.002602][T21917] usb 3-1: device descriptor read/8, error -71 [ 1764.142844][T21917] usb 3-1: device descriptor read/8, error -71 [ 1764.381826][T21917] usb 3-1: new full-speed USB device number 18 using dummy_hcd [ 1764.403047][T21917] usb 3-1: device descriptor read/8, error -71 [ 1764.431837][T23150] usb 4-1: new full-speed USB device number 23 using dummy_hcd [ 1764.532869][T21917] usb 3-1: device descriptor read/8, error -71 [ 1764.583129][T23150] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1764.593387][T23150] usb 4-1: config 0 has no interfaces? [ 1764.598887][T23150] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1764.608056][T23150] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1764.617154][T23150] usb 4-1: config 0 descriptor?? [ 1764.631837][ T10] usb 2-1: new high-speed USB device number 20 using dummy_hcd [ 1764.641941][T21917] usb usb3-port1: unable to enumerate USB device [ 1764.781783][ T10] usb 2-1: Using ep0 maxpacket: 8 [ 1764.787967][ T10] usb 2-1: config 0 has an invalid interface number: 31 but max is 0 [ 1764.796206][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1764.806351][ T10] usb 2-1: config 0 has no interface number 0 [ 1764.814080][ T10] usb 2-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1764.823218][ T10] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1764.824837][T21917] usb 4-1: USB disconnect, device number 23 [ 1764.831233][ T10] usb 2-1: Product: syz [ 1764.831257][ T10] usb 2-1: Manufacturer: syz [ 1764.831276][ T10] usb 2-1: SerialNumber: syz [ 1764.851595][ T10] usb 2-1: config 0 descriptor?? [ 1764.857681][ T10] usb 2-1: Found UVC 0.04 device syz (046d:08c3) [ 1764.864116][ T10] usb 2-1: No valid video chain found. [ 1765.058908][ T10] usb 2-1: USB disconnect, device number 20 [ 1765.594650][ T36] audit: type=1400 audit(1763224126.944:319): avc: denied { name_bind } for pid=30832 comm="syz.1.46345" src=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:reserved_port_t tclass=tcp_socket permissive=1 [ 1765.681761][ T10] usb 4-1: new high-speed USB device number 24 using dummy_hcd [ 1765.842692][ T10] usb 4-1: Using ep0 maxpacket: 8 [ 1765.862451][ T10] usb 4-1: config 0 has an invalid interface number: 31 but max is 0 [ 1765.870728][ T10] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1765.891734][ T10] usb 4-1: config 0 has no interface number 0 [ 1765.903068][ T10] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1765.921726][ T10] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1765.929866][ T10] usb 4-1: Product: syz [ 1765.941748][ T10] usb 4-1: Manufacturer: syz [ 1765.946494][ T10] usb 4-1: SerialNumber: syz [ 1765.962000][ T10] usb 4-1: config 0 descriptor?? [ 1765.973202][ T10] usb 4-1: Found UVC 0.04 device syz (046d:08c3) [ 1765.979633][ T10] usb 4-1: No valid video chain found. [ 1766.006938][T30870] FAULT_INJECTION: forcing a failure. [ 1766.006938][T30870] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1766.020326][ T36] audit: type=1400 audit(1763224127.354:320): avc: denied { ioctl } for pid=30869 comm="syz.1.46364" path="socket:[632496]" dev="sockfs" ino=632496 ioctlcmd=0x8933 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=can_socket permissive=1 [ 1766.062745][T30870] CPU: 1 UID: 0 PID: 30870 Comm: syz.1.46364 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1766.062786][T30870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1766.062802][T30870] Call Trace: [ 1766.062811][T30870] [ 1766.062821][T30870] __dump_stack+0x21/0x30 [ 1766.062859][T30870] dump_stack_lvl+0x10c/0x190 [ 1766.062890][T30870] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1766.062923][T30870] ? check_stack_object+0x107/0x140 [ 1766.062956][T30870] dump_stack+0x19/0x20 [ 1766.062986][T30870] should_fail_ex+0x3d9/0x530 [ 1766.063011][T30870] should_fail+0xf/0x20 [ 1766.063032][T30870] should_fail_usercopy+0x1e/0x30 [ 1766.063058][T30870] _copy_from_user+0x22/0xb0 [ 1766.063087][T30870] __sys_bind+0x1de/0x3f0 [ 1766.063117][T30870] ? __cfi___sys_bind+0x10/0x10 [ 1766.063148][T30870] ? __kasan_check_read+0x15/0x20 [ 1766.063184][T30870] __x64_sys_bind+0x7e/0x90 [ 1766.063211][T30870] x64_sys_call+0x1ffd/0x2ee0 [ 1766.063245][T30870] do_syscall_64+0x58/0xf0 [ 1766.063275][T30870] ? clear_bhb_loop+0x50/0xa0 [ 1766.063301][T30870] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1766.063326][T30870] RIP: 0033:0x7f9e9098f6c9 [ 1766.063346][T30870] 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 [ 1766.063367][T30870] RSP: 002b:00007f9e91753038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 1766.063393][T30870] RAX: ffffffffffffffda RBX: 00007f9e90be5fa0 RCX: 00007f9e9098f6c9 [ 1766.063412][T30870] RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000007 [ 1766.063429][T30870] RBP: 00007f9e91753090 R08: 0000000000000000 R09: 0000000000000000 [ 1766.063444][T30870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1766.063459][T30870] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1766.063479][T30870] [ 1766.277899][T23666] usb 4-1: USB disconnect, device number 24 [ 1766.454118][T30883] FAULT_INJECTION: forcing a failure. [ 1766.454118][T30883] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1766.467294][T30883] CPU: 0 UID: 0 PID: 30883 Comm: syz.2.46370 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1766.467327][T30883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1766.467342][T30883] Call Trace: [ 1766.467350][T30883] [ 1766.467358][T30883] __dump_stack+0x21/0x30 [ 1766.467394][T30883] dump_stack_lvl+0x10c/0x190 [ 1766.467425][T30883] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1766.467456][T30883] ? inet6_ioctl+0x200/0x280 [ 1766.467495][T30883] dump_stack+0x19/0x20 [ 1766.467523][T30883] should_fail_ex+0x3d9/0x530 [ 1766.467540][T30883] should_fail+0xf/0x20 [ 1766.467555][T30883] should_fail_usercopy+0x1e/0x30 [ 1766.467572][T30883] _copy_from_user+0x22/0xb0 [ 1766.467592][T30883] sock_do_ioctl+0x18b/0x330 [ 1766.467611][T30883] ? sock_show_fdinfo+0xd0/0xd0 [ 1766.467628][T30883] ? __cfi_vfs_write+0x10/0x10 [ 1766.467644][T30883] ? __kasan_check_write+0x18/0x20 [ 1766.467669][T30883] ? mutex_unlock+0x8b/0x240 [ 1766.467684][T30883] sock_ioctl+0x634/0x7b0 [ 1766.467701][T30883] ? __cfi_sock_ioctl+0x10/0x10 [ 1766.467717][T30883] ? __fget_files+0x2c5/0x340 [ 1766.467735][T30883] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1766.467758][T30883] ? security_file_ioctl+0x34/0xd0 [ 1766.467776][T30883] ? __cfi_sock_ioctl+0x10/0x10 [ 1766.467792][T30883] __se_sys_ioctl+0x135/0x1b0 [ 1766.467810][T30883] __x64_sys_ioctl+0x7f/0xa0 [ 1766.467827][T30883] x64_sys_call+0x1878/0x2ee0 [ 1766.467851][T30883] do_syscall_64+0x58/0xf0 [ 1766.467872][T30883] ? clear_bhb_loop+0x50/0xa0 [ 1766.467890][T30883] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1766.467907][T30883] RIP: 0033:0x7ff7fbf8f6c9 [ 1766.467920][T30883] 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 [ 1766.467934][T30883] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1766.467952][T30883] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1766.467965][T30883] RDX: 0000200000000180 RSI: 0000000000008914 RDI: 0000000000000007 [ 1766.467976][T30883] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1766.467993][T30883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1766.468003][T30883] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1766.468018][T30883] [ 1766.751701][ T10] usb 2-1: new full-speed USB device number 21 using dummy_hcd [ 1767.012778][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1767.031655][ T10] usb 2-1: config 0 has no interfaces? [ 1767.037259][ T10] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1767.061906][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1767.081930][ T10] usb 2-1: config 0 descriptor?? [ 1767.292348][ T10] usb 2-1: USB disconnect, device number 21 [ 1767.409939][T30905] FAULT_INJECTION: forcing a failure. [ 1767.409939][T30905] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1767.423148][T30905] CPU: 1 UID: 0 PID: 30905 Comm: syz.3.46381 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1767.423188][T30905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1767.423204][T30905] Call Trace: [ 1767.423212][T30905] [ 1767.423223][T30905] __dump_stack+0x21/0x30 [ 1767.423260][T30905] dump_stack_lvl+0x10c/0x190 [ 1767.423291][T30905] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1767.423324][T30905] ? kernel_text_address+0xa9/0xe0 [ 1767.423354][T30905] dump_stack+0x19/0x20 [ 1767.423383][T30905] should_fail_ex+0x3d9/0x530 [ 1767.423408][T30905] should_fail+0xf/0x20 [ 1767.423429][T30905] should_fail_usercopy+0x1e/0x30 [ 1767.423454][T30905] _copy_from_user+0x22/0xb0 [ 1767.423482][T30905] ___sys_sendmsg+0x159/0x2a0 [ 1767.423516][T30905] ? __sys_sendmsg+0x280/0x280 [ 1767.423549][T30905] ? kstrtouint+0x78/0xf0 [ 1767.423577][T30905] __sys_sendmmsg+0x271/0x470 [ 1767.423612][T30905] ? __cfi___sys_sendmmsg+0x10/0x10 [ 1767.423650][T30905] ? __cfi_ksys_write+0x10/0x10 [ 1767.423673][T30905] __x64_sys_sendmmsg+0xa4/0xc0 [ 1767.423707][T30905] x64_sys_call+0xfec/0x2ee0 [ 1767.423739][T30905] do_syscall_64+0x58/0xf0 [ 1767.423768][T30905] ? clear_bhb_loop+0x50/0xa0 [ 1767.423794][T30905] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1767.423818][T30905] RIP: 0033:0x7fc62478f6c9 [ 1767.423837][T30905] 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 [ 1767.423858][T30905] RSP: 002b:00007fc625676038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 1767.423892][T30905] RAX: ffffffffffffffda RBX: 00007fc6249e5fa0 RCX: 00007fc62478f6c9 [ 1767.423910][T30905] RDX: 0000000000000001 RSI: 0000200000000000 RDI: 0000000000000006 [ 1767.423925][T30905] RBP: 00007fc625676090 R08: 0000000000000000 R09: 0000000000000000 [ 1767.423941][T30905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1767.423955][T30905] R13: 00007fc6249e6038 R14: 00007fc6249e5fa0 R15: 00007ffeb1fc9b68 [ 1767.423976][T30905] [ 1768.821874][T23666] usb 2-1: new full-speed USB device number 22 using dummy_hcd [ 1768.961562][T23666] usb 2-1: device descriptor read/64, error -71 [ 1769.201552][T23666] usb 2-1: device descriptor read/64, error -71 [ 1769.419404][T31030] FAULT_INJECTION: forcing a failure. [ 1769.419404][T31030] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1769.437215][T31030] CPU: 0 UID: 0 PID: 31030 Comm: syz.0.46442 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1769.437252][T31030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1769.437268][T31030] Call Trace: [ 1769.437276][T31030] [ 1769.437286][T31030] __dump_stack+0x21/0x30 [ 1769.437324][T31030] dump_stack_lvl+0x10c/0x190 [ 1769.437355][T31030] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1769.437385][T31030] ? check_stack_object+0x107/0x140 [ 1769.437407][T31030] dump_stack+0x19/0x20 [ 1769.437435][T31030] should_fail_ex+0x3d9/0x530 [ 1769.437458][T31030] should_fail+0xf/0x20 [ 1769.437480][T31030] should_fail_usercopy+0x1e/0x30 [ 1769.437505][T31030] _copy_from_user+0x22/0xb0 [ 1769.437533][T31030] __sys_bind+0x1de/0x3f0 [ 1769.437562][T31030] ? __cfi___sys_bind+0x10/0x10 [ 1769.437593][T31030] ? __kasan_check_read+0x15/0x20 [ 1769.437628][T31030] __x64_sys_bind+0x7e/0x90 [ 1769.437656][T31030] x64_sys_call+0x1ffd/0x2ee0 [ 1769.437689][T31030] do_syscall_64+0x58/0xf0 [ 1769.437718][T31030] ? clear_bhb_loop+0x50/0xa0 [ 1769.437743][T31030] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1769.437768][T31030] RIP: 0033:0x7f9869b8f6c9 [ 1769.437787][T31030] 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 [ 1769.437809][T31030] RSP: 002b:00007f986a98a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 1769.437833][T31030] RAX: ffffffffffffffda RBX: 00007f9869de5fa0 RCX: 00007f9869b8f6c9 [ 1769.437852][T31030] RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000008 [ 1769.437868][T31030] RBP: 00007f986a98a090 R08: 0000000000000000 R09: 0000000000000000 [ 1769.437884][T31030] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1769.437898][T31030] R13: 00007f9869de6038 R14: 00007f9869de5fa0 R15: 00007ffe9b4de878 [ 1769.437929][T31030] [ 1769.640975][T23666] usb 2-1: new full-speed USB device number 23 using dummy_hcd [ 1769.771508][T23666] usb 2-1: device descriptor read/64, error -71 [ 1770.021509][T23666] usb 2-1: device descriptor read/64, error -71 [ 1770.141602][T23666] usb usb2-port1: attempt power cycle [ 1770.481490][T23666] usb 2-1: new full-speed USB device number 24 using dummy_hcd [ 1770.512541][T23666] usb 2-1: device descriptor read/8, error -71 [ 1770.644307][T23666] usb 2-1: device descriptor read/8, error -71 [ 1770.891448][T23666] usb 2-1: new full-speed USB device number 25 using dummy_hcd [ 1770.922474][T23666] usb 2-1: device descriptor read/8, error -71 [ 1771.052526][T23666] usb 2-1: device descriptor read/8, error -71 [ 1771.161737][T23666] usb usb2-port1: unable to enumerate USB device [ 1771.707288][T31160] FAULT_INJECTION: forcing a failure. [ 1771.707288][T31160] name failslab, interval 1, probability 0, space 0, times 0 [ 1771.720164][T31160] CPU: 0 UID: 0 PID: 31160 Comm: syz.2.46504 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1771.720201][T31160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1771.720212][T31160] Call Trace: [ 1771.720218][T31160] [ 1771.720226][T31160] __dump_stack+0x21/0x30 [ 1771.720252][T31160] dump_stack_lvl+0x10c/0x190 [ 1771.720273][T31160] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1771.720295][T31160] ? __kasan_check_write+0x18/0x20 [ 1771.720320][T31160] dump_stack+0x19/0x20 [ 1771.720340][T31160] should_fail_ex+0x3d9/0x530 [ 1771.720357][T31160] should_failslab+0xac/0x100 [ 1771.720382][T31160] kmem_cache_alloc_noprof+0x42/0x430 [ 1771.720397][T31160] ? getname_flags+0xc6/0x710 [ 1771.720416][T31160] ? __cfi_ksys_write+0x10/0x10 [ 1771.720431][T31160] getname_flags+0xc6/0x710 [ 1771.720447][T31160] __x64_sys_mkdirat+0x7e/0xa0 [ 1771.720467][T31160] x64_sys_call+0x2ba8/0x2ee0 [ 1771.720491][T31160] do_syscall_64+0x58/0xf0 [ 1771.720513][T31160] ? clear_bhb_loop+0x50/0xa0 [ 1771.720531][T31160] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1771.720548][T31160] RIP: 0033:0x7ff7fbf8f6c9 [ 1771.720561][T31160] 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 [ 1771.720575][T31160] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 1771.720592][T31160] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1771.720605][T31160] RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c [ 1771.720616][T31160] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1771.720627][T31160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1771.720636][T31160] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1771.720650][T31160] [ 1772.201372][T23666] usb 3-1: new full-speed USB device number 19 using dummy_hcd [ 1772.331386][T23666] usb 3-1: device descriptor read/64, error -71 [ 1772.445916][T31215] FAULT_INJECTION: forcing a failure. [ 1772.445916][T31215] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1772.459107][T31215] CPU: 1 UID: 0 PID: 31215 Comm: syz.3.46531 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1772.459145][T31215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1772.459160][T31215] Call Trace: [ 1772.459168][T31215] [ 1772.459177][T31215] __dump_stack+0x21/0x30 [ 1772.459214][T31215] dump_stack_lvl+0x10c/0x190 [ 1772.459244][T31215] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1772.459276][T31215] ? __kasan_check_write+0x18/0x20 [ 1772.459311][T31215] ? check_stack_object+0x107/0x140 [ 1772.459343][T31215] dump_stack+0x19/0x20 [ 1772.459373][T31215] should_fail_ex+0x3d9/0x530 [ 1772.459398][T31215] should_fail+0xf/0x20 [ 1772.459419][T31215] should_fail_usercopy+0x1e/0x30 [ 1772.459444][T31215] _copy_from_user+0x22/0xb0 [ 1772.459473][T31215] __sys_sendto+0x29e/0x6f0 [ 1772.459504][T31215] ? __cfi___sys_sendto+0x10/0x10 [ 1772.459537][T31215] ? __kasan_check_write+0x18/0x20 [ 1772.459573][T31215] ? __cfi_ksys_write+0x10/0x10 [ 1772.459596][T31215] __x64_sys_sendto+0xe9/0x100 [ 1772.459628][T31215] x64_sys_call+0x2c2c/0x2ee0 [ 1772.459662][T31215] do_syscall_64+0x58/0xf0 [ 1772.459692][T31215] ? clear_bhb_loop+0x50/0xa0 [ 1772.459718][T31215] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1772.459743][T31215] RIP: 0033:0x7fc62478f6c9 [ 1772.459762][T31215] 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 [ 1772.459781][T31215] RSP: 002b:00007fc625676038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 1772.459803][T31215] RAX: ffffffffffffffda RBX: 00007fc6249e5fa0 RCX: 00007fc62478f6c9 [ 1772.459821][T31215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 [ 1772.459835][T31215] RBP: 00007fc625676090 R08: 0000200000e68000 R09: 0000000000000010 [ 1772.459851][T31215] R10: 00000000200007fd R11: 0000000000000246 R12: 0000000000000001 [ 1772.459865][T31215] R13: 00007fc6249e6038 R14: 00007fc6249e5fa0 R15: 00007ffeb1fc9b68 [ 1772.459884][T31215] [ 1772.571364][T23666] usb 3-1: device descriptor read/64, error -71 [ 1772.921380][T23666] usb 3-1: new full-speed USB device number 20 using dummy_hcd [ 1773.051346][T23666] usb 3-1: device descriptor read/64, error -71 [ 1773.291337][T23666] usb 3-1: device descriptor read/64, error -71 [ 1773.401451][T23666] usb usb3-port1: attempt power cycle [ 1773.741336][T23666] usb 3-1: new full-speed USB device number 21 using dummy_hcd [ 1773.762390][T23666] usb 3-1: device descriptor read/8, error -71 [ 1773.902399][T23666] usb 3-1: device descriptor read/8, error -71 [ 1773.971328][ T10] usb 2-1: new full-speed USB device number 26 using dummy_hcd [ 1774.122330][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1774.139850][ T10] usb 2-1: config 0 has no interfaces? [ 1774.145471][T23666] usb 3-1: new full-speed USB device number 22 using dummy_hcd [ 1774.153612][ T10] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1774.163082][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1774.173066][ T10] usb 2-1: config 0 descriptor?? [ 1774.182269][T23666] usb 3-1: device descriptor read/8, error -71 [ 1774.312341][T23666] usb 3-1: device descriptor read/8, error -71 [ 1774.380237][ T10] usb 2-1: USB disconnect, device number 26 [ 1774.421455][T23666] usb usb3-port1: unable to enumerate USB device [ 1774.917990][T31345] FAULT_INJECTION: forcing a failure. [ 1774.917990][T31345] name failslab, interval 1, probability 0, space 0, times 0 [ 1774.930777][T31345] CPU: 1 UID: 0 PID: 31345 Comm: syz.1.46592 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1774.930815][T31345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1774.930827][T31345] Call Trace: [ 1774.930833][T31345] [ 1774.930841][T31345] __dump_stack+0x21/0x30 [ 1774.930869][T31345] dump_stack_lvl+0x10c/0x190 [ 1774.930891][T31345] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1774.930913][T31345] ? __kasan_check_write+0x18/0x20 [ 1774.930939][T31345] ? proc_fail_nth_write+0x17e/0x210 [ 1774.930985][T31345] ? __cfi_proc_fail_nth_write+0x10/0x10 [ 1774.931008][T31345] dump_stack+0x19/0x20 [ 1774.931028][T31345] should_fail_ex+0x3d9/0x530 [ 1774.931046][T31345] should_failslab+0xac/0x100 [ 1774.931064][T31345] kmem_cache_alloc_noprof+0x42/0x430 [ 1774.931080][T31345] ? getname_flags+0xc6/0x710 [ 1774.931098][T31345] getname_flags+0xc6/0x710 [ 1774.931113][T31345] ? build_open_flags+0x487/0x600 [ 1774.931134][T31345] getname+0x1b/0x30 [ 1774.931154][T31345] do_sys_openat2+0xcb/0x1c0 [ 1774.931175][T31345] ? fput+0x1a5/0x240 [ 1774.931194][T31345] ? do_sys_open+0x100/0x100 [ 1774.931216][T31345] ? ksys_write+0x1ef/0x250 [ 1774.931230][T31345] ? __cfi_ksys_write+0x10/0x10 [ 1774.931246][T31345] __x64_sys_openat+0x13a/0x170 [ 1774.931268][T31345] x64_sys_call+0xe69/0x2ee0 [ 1774.931291][T31345] do_syscall_64+0x58/0xf0 [ 1774.931312][T31345] ? clear_bhb_loop+0x50/0xa0 [ 1774.931331][T31345] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1774.931348][T31345] RIP: 0033:0x7f9e9098f6c9 [ 1774.931362][T31345] 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 [ 1774.931376][T31345] RSP: 002b:00007f9e91753038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1774.931395][T31345] RAX: ffffffffffffffda RBX: 00007f9e90be5fa0 RCX: 00007f9e9098f6c9 [ 1774.931408][T31345] RDX: 0000000000082802 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 1774.931420][T31345] RBP: 00007f9e91753090 R08: 0000000000000000 R09: 0000000000000000 [ 1774.931431][T31345] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000001 [ 1774.931441][T31345] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1774.931455][T31345] [ 1775.311259][T23666] usb 3-1: new full-speed USB device number 23 using dummy_hcd [ 1775.431235][ T10] usb 2-1: new full-speed USB device number 27 using dummy_hcd [ 1775.462412][T23666] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1775.472818][T23666] usb 3-1: config 0 has no interfaces? [ 1775.478399][T23666] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1775.487718][T23666] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1775.497046][T23666] usb 3-1: config 0 descriptor?? [ 1775.561230][ T10] usb 2-1: device descriptor read/64, error -71 [ 1775.707816][T23666] usb 3-1: USB disconnect, device number 23 [ 1775.811212][ T10] usb 2-1: device descriptor read/64, error -71 [ 1776.051198][ T10] usb 2-1: new full-speed USB device number 28 using dummy_hcd [ 1776.191237][ T10] usb 2-1: device descriptor read/64, error -71 [ 1776.431197][ T10] usb 2-1: device descriptor read/64, error -71 [ 1776.551162][T23666] usb 3-1: new full-speed USB device number 24 using dummy_hcd [ 1776.559145][ T10] usb usb2-port1: attempt power cycle [ 1776.712492][T23666] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1776.722944][T23666] usb 3-1: config 0 has no interfaces? [ 1776.729231][T23666] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1776.738741][T23666] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1776.747970][T23666] usb 3-1: config 0 descriptor?? [ 1776.901170][ T10] usb 2-1: new full-speed USB device number 29 using dummy_hcd [ 1776.922724][ T10] usb 2-1: device descriptor read/8, error -71 [ 1776.961494][T23666] usb 3-1: USB disconnect, device number 24 [ 1777.052341][ T10] usb 2-1: device descriptor read/8, error -71 [ 1777.291097][ T10] usb 2-1: new full-speed USB device number 30 using dummy_hcd [ 1777.312393][ T10] usb 2-1: device descriptor read/8, error -71 [ 1777.442187][ T10] usb 2-1: device descriptor read/8, error -71 [ 1777.551163][ T10] usb usb2-port1: unable to enumerate USB device [ 1781.440853][T23666] usb 3-1: new full-speed USB device number 25 using dummy_hcd [ 1781.601979][T23666] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1781.621290][T23666] usb 3-1: config 0 has no interfaces? [ 1781.630843][T23666] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1781.650209][T23666] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1781.669948][T23666] usb 3-1: config 0 descriptor?? [ 1781.885084][T23666] usb 3-1: USB disconnect, device number 25 [ 1782.260830][T21917] usb 4-1: new full-speed USB device number 25 using dummy_hcd [ 1782.422020][T21917] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1782.442172][T21917] usb 4-1: config 0 has no interfaces? [ 1782.452668][T21917] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1782.462345][T21917] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1782.473122][T21917] usb 4-1: config 0 descriptor?? [ 1782.689224][ T46] usb 4-1: USB disconnect, device number 25 [ 1784.080711][ T3357] usb 3-1: new full-speed USB device number 26 using dummy_hcd [ 1784.210699][ T3357] usb 3-1: device descriptor read/64, error -71 [ 1784.450686][ T3357] usb 3-1: device descriptor read/64, error -71 [ 1784.700693][ T3357] usb 3-1: new full-speed USB device number 27 using dummy_hcd [ 1784.860691][ T3357] usb 3-1: device descriptor read/64, error -71 [ 1785.100660][ T3357] usb 3-1: device descriptor read/64, error -71 [ 1785.210781][ T3357] usb usb3-port1: attempt power cycle [ 1785.560625][ T3357] usb 3-1: new full-speed USB device number 28 using dummy_hcd [ 1785.601638][ T3357] usb 3-1: device descriptor read/8, error -71 [ 1785.731663][ T3357] usb 3-1: device descriptor read/8, error -71 [ 1785.980645][ T3357] usb 3-1: new full-speed USB device number 29 using dummy_hcd [ 1786.029812][ T3357] usb 3-1: device descriptor read/8, error -71 [ 1786.171570][ T3357] usb 3-1: device descriptor read/8, error -71 [ 1786.280754][ T3357] usb usb3-port1: unable to enumerate USB device [ 1787.220705][T21917] usb 4-1: new full-speed USB device number 26 using dummy_hcd [ 1787.350543][T21917] usb 4-1: device descriptor read/64, error -71 [ 1787.590515][T21917] usb 4-1: device descriptor read/64, error -71 [ 1787.830515][T21917] usb 4-1: new full-speed USB device number 27 using dummy_hcd [ 1787.970482][T21917] usb 4-1: device descriptor read/64, error -71 [ 1788.210487][T21917] usb 4-1: device descriptor read/64, error -71 [ 1788.340598][T21917] usb usb4-port1: attempt power cycle [ 1788.710586][T21917] usb 4-1: new full-speed USB device number 28 using dummy_hcd [ 1788.731507][T21917] usb 4-1: device descriptor read/8, error -71 [ 1788.861612][T21917] usb 4-1: device descriptor read/8, error -71 [ 1789.100427][T16463] usb 3-1: new full-speed USB device number 30 using dummy_hcd [ 1789.110425][T21917] usb 4-1: new full-speed USB device number 29 using dummy_hcd [ 1789.131429][T21917] usb 4-1: device descriptor read/8, error -71 [ 1789.251634][T16463] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1789.262220][T16463] usb 3-1: config 0 has no interfaces? [ 1789.267756][T16463] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1789.277250][T16463] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1789.286663][T16463] usb 3-1: config 0 descriptor?? [ 1789.290805][T21917] usb 4-1: device descriptor read/8, error -71 [ 1789.390469][ T3357] usb 2-1: new full-speed USB device number 31 using dummy_hcd [ 1789.410418][T21917] usb usb4-port1: unable to enumerate USB device [ 1789.494126][T16463] usb 3-1: USB disconnect, device number 30 [ 1789.520499][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1789.760466][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1790.010383][ T3357] usb 2-1: new full-speed USB device number 32 using dummy_hcd [ 1790.140372][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1790.380349][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1790.490432][ T3357] usb usb2-port1: attempt power cycle [ 1790.840334][ T3357] usb 2-1: new full-speed USB device number 33 using dummy_hcd [ 1790.881375][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1791.011356][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1791.252575][ T3357] usb 2-1: new full-speed USB device number 34 using dummy_hcd [ 1791.304164][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1791.441287][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1791.560360][ T3357] usb usb2-port1: unable to enumerate USB device [ 1792.540248][ T3357] usb 4-1: new high-speed USB device number 30 using dummy_hcd [ 1792.690253][ T3357] usb 4-1: Using ep0 maxpacket: 8 [ 1792.696684][ T3357] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1792.707192][ T3357] usb 4-1: config 0 has no interfaces? [ 1792.714643][ T3357] usb 4-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16 [ 1792.724182][ T3357] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1792.732477][ T3357] usb 4-1: Product: syz [ 1792.736865][ T3357] usb 4-1: Manufacturer: syz [ 1792.742426][ T3357] usb 4-1: SerialNumber: syz [ 1792.748116][ T3357] usb 4-1: config 0 descriptor?? [ 1792.955483][ T3357] usb 4-1: USB disconnect, device number 30 [ 1793.810156][ T3357] usb 2-1: new full-speed USB device number 35 using dummy_hcd [ 1793.950160][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1794.200137][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1794.450130][ T3357] usb 2-1: new full-speed USB device number 36 using dummy_hcd [ 1794.590123][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1794.850110][ T3357] usb 2-1: device descriptor read/64, error -71 [ 1794.970246][ T3357] usb usb2-port1: attempt power cycle [ 1795.320087][ T3357] usb 2-1: new full-speed USB device number 37 using dummy_hcd [ 1795.351104][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1795.491144][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1795.730050][ T3357] usb 2-1: new full-speed USB device number 38 using dummy_hcd [ 1795.771073][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1795.901036][ T3357] usb 2-1: device descriptor read/8, error -71 [ 1796.010265][ T3357] usb usb2-port1: unable to enumerate USB device [ 1797.719943][ T46] usb 4-1: new full-speed USB device number 31 using dummy_hcd [ 1797.879929][ T46] usb 4-1: device descriptor read/64, error -71 [ 1798.129932][ T46] usb 4-1: device descriptor read/64, error -71 [ 1798.369902][ T46] usb 4-1: new full-speed USB device number 32 using dummy_hcd [ 1798.529889][ T46] usb 4-1: device descriptor read/64, error -71 [ 1798.779888][ T46] usb 4-1: device descriptor read/64, error -71 [ 1798.890002][ T46] usb usb4-port1: attempt power cycle [ 1799.239862][ T46] usb 4-1: new full-speed USB device number 33 using dummy_hcd [ 1799.280902][ T46] usb 4-1: device descriptor read/8, error -71 [ 1799.410927][ T46] usb 4-1: device descriptor read/8, error -71 [ 1799.653156][ T46] usb 4-1: new full-speed USB device number 34 using dummy_hcd [ 1799.694689][ T46] usb 4-1: device descriptor read/8, error -71 [ 1799.830828][ T46] usb 4-1: device descriptor read/8, error -71 [ 1799.950137][ T46] usb usb4-port1: unable to enumerate USB device [ 1802.369687][T23150] usb 3-1: new full-speed USB device number 31 using dummy_hcd [ 1802.530859][T23150] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1802.541196][T23150] usb 3-1: config 0 has no interfaces? [ 1802.546774][T23150] usb 3-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1802.556336][T23150] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1802.571683][T23150] usb 3-1: config 0 descriptor?? [ 1802.784590][ T46] usb 3-1: USB disconnect, device number 31 [ 1803.873414][T19971] bridge_slave_1: left allmulticast mode [ 1803.879423][T19971] bridge_slave_1: left promiscuous mode [ 1803.885429][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1803.893494][T19971] bridge_slave_0: left allmulticast mode [ 1803.899185][T19971] bridge_slave_0: left promiscuous mode [ 1803.917960][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1804.052722][T19971] veth1_macvtap: left promiscuous mode [ 1804.058328][T19971] veth0_vlan: left promiscuous mode [ 1804.190589][ T307] bridge0: port 1(bridge_slave_0) entered blocking state [ 1804.198244][ T307] bridge0: port 1(bridge_slave_0) entered disabled state [ 1804.219615][ T307] bridge_slave_0: entered allmulticast mode [ 1804.226115][ T307] bridge_slave_0: entered promiscuous mode [ 1804.243010][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 1804.258121][ T307] bridge0: port 2(bridge_slave_1) entered disabled state [ 1804.273041][ T307] bridge_slave_1: entered allmulticast mode [ 1804.289884][ T307] bridge_slave_1: entered promiscuous mode [ 1804.474546][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 1804.481729][ T307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1804.489103][ T307] bridge0: port 1(bridge_slave_0) entered blocking state [ 1804.496245][ T307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1804.526020][T28870] bridge0: port 1(bridge_slave_0) entered disabled state [ 1804.534257][T28870] bridge0: port 2(bridge_slave_1) entered disabled state [ 1804.553396][T19971] bridge0: port 1(bridge_slave_0) entered blocking state [ 1804.560531][T19971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1804.601826][T28870] bridge0: port 2(bridge_slave_1) entered blocking state [ 1804.608947][T28870] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1804.653583][ T307] veth0_vlan: entered promiscuous mode [ 1804.668965][ T307] veth1_macvtap: entered promiscuous mode [ 1804.689896][T16463] usb 3-1: new full-speed USB device number 32 using dummy_hcd [ 1804.829544][T16463] usb 3-1: device descriptor read/64, error -71 [ 1805.069528][T16463] usb 3-1: device descriptor read/64, error -71 [ 1805.309526][T16463] usb 3-1: new full-speed USB device number 33 using dummy_hcd [ 1805.389703][ T3357] usb 2-1: new full-speed USB device number 39 using dummy_hcd [ 1805.449490][T16463] usb 3-1: device descriptor read/64, error -71 [ 1805.549943][ T3357] usb 2-1: no configurations [ 1805.554628][ T3357] usb 2-1: can't read configurations, error -22 [ 1805.699920][T16463] usb 3-1: device descriptor read/64, error -71 [ 1805.706348][ T3357] usb 2-1: new full-speed USB device number 40 using dummy_hcd [ 1805.819674][T16463] usb usb3-port1: attempt power cycle [ 1805.859886][ T3357] usb 2-1: no configurations [ 1805.864563][ T3357] usb 2-1: can't read configurations, error -22 [ 1805.875093][ T3357] usb usb2-port1: attempt power cycle [ 1806.169491][T16463] usb 3-1: new full-speed USB device number 34 using dummy_hcd [ 1806.200576][T16463] usb 3-1: device descriptor read/8, error -71 [ 1806.219579][ T3357] usb 2-1: new full-speed USB device number 41 using dummy_hcd [ 1806.260414][ T3357] usb 2-1: no configurations [ 1806.265089][ T3357] usb 2-1: can't read configurations, error -22 [ 1806.330501][T16463] usb 3-1: device descriptor read/8, error -71 [ 1806.409472][ T3357] usb 2-1: new full-speed USB device number 42 using dummy_hcd [ 1806.440908][ T3357] usb 2-1: no configurations [ 1806.445766][ T3357] usb 2-1: can't read configurations, error -22 [ 1806.452628][ T3357] usb usb2-port1: unable to enumerate USB device [ 1806.569458][T16463] usb 3-1: new full-speed USB device number 35 using dummy_hcd [ 1806.601386][T16463] usb 3-1: device descriptor read/8, error -71 [ 1806.730467][T16463] usb 3-1: device descriptor read/8, error -71 [ 1806.849552][T16463] usb usb3-port1: unable to enumerate USB device [ 1810.691913][ T678] FAULT_INJECTION: forcing a failure. [ 1810.691913][ T678] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1810.729230][ T678] CPU: 1 UID: 0 PID: 678 Comm: syz.3.47467 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1810.729267][ T678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1810.729283][ T678] Call Trace: [ 1810.729292][ T678] [ 1810.729302][ T678] __dump_stack+0x21/0x30 [ 1810.729346][ T678] dump_stack_lvl+0x10c/0x190 [ 1810.729377][ T678] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1810.729414][ T678] ? check_stack_object+0x12c/0x140 [ 1810.729438][ T678] dump_stack+0x19/0x20 [ 1810.729467][ T678] should_fail_ex+0x3d9/0x530 [ 1810.729491][ T678] should_fail+0xf/0x20 [ 1810.729512][ T678] should_fail_usercopy+0x1e/0x30 [ 1810.729538][ T678] _copy_to_user+0x24/0xa0 [ 1810.729567][ T678] simple_read_from_buffer+0xed/0x160 [ 1810.729598][ T678] proc_fail_nth_read+0x19e/0x210 [ 1810.729629][ T678] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1810.729659][ T678] ? vfs_writev+0xa16/0xcf0 [ 1810.729686][ T678] ? bpf_lsm_file_permission+0xd/0x20 [ 1810.729718][ T678] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1810.729749][ T678] vfs_read+0x27d/0xc70 [ 1810.729771][ T678] ? __cfi_vfs_read+0x10/0x10 [ 1810.729791][ T678] ? __kasan_check_write+0x18/0x20 [ 1810.729824][ T678] ? mutex_lock+0x92/0x1c0 [ 1810.729846][ T678] ? __cfi_mutex_lock+0x10/0x10 [ 1810.729867][ T678] ? __fget_files+0x2c5/0x340 [ 1810.729894][ T678] ksys_read+0x141/0x250 [ 1810.729915][ T678] ? __cfi_ksys_read+0x10/0x10 [ 1810.729935][ T678] ? fd_install+0x175/0x2e0 [ 1810.729959][ T678] ? __kasan_check_read+0x15/0x20 [ 1810.730001][ T678] __x64_sys_read+0x7f/0x90 [ 1810.730022][ T678] x64_sys_call+0x2638/0x2ee0 [ 1810.730057][ T678] do_syscall_64+0x58/0xf0 [ 1810.730087][ T678] ? clear_bhb_loop+0x50/0xa0 [ 1810.730113][ T678] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1810.730138][ T678] RIP: 0033:0x7fa0c118e0dc [ 1810.730159][ T678] 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 [ 1810.730179][ T678] RSP: 002b:00007fa0c1fc8030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1810.730205][ T678] RAX: ffffffffffffffda RBX: 00007fa0c13e5fa0 RCX: 00007fa0c118e0dc [ 1810.730223][ T678] RDX: 000000000000000f RSI: 00007fa0c1fc80a0 RDI: 0000000000000009 [ 1810.730239][ T678] RBP: 00007fa0c1fc8090 R08: 0000000000000000 R09: 0000000000000000 [ 1810.730255][ T678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1810.730270][ T678] R13: 00007fa0c13e6038 R14: 00007fa0c13e5fa0 R15: 00007ffdaa659ae8 [ 1810.730290][ T678] [ 1812.260714][ T36] audit: type=1326 audit(1763224173.617:321): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=788 comm="syz.0.47520" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9869b8f6c9 code=0x0 [ 1812.386651][ T814] FAULT_INJECTION: forcing a failure. [ 1812.386651][ T814] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1812.399890][ T814] CPU: 1 UID: 0 PID: 814 Comm: syz.2.47532 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1812.399927][ T814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1812.399941][ T814] Call Trace: [ 1812.399949][ T814] [ 1812.399958][ T814] __dump_stack+0x21/0x30 [ 1812.399992][ T814] dump_stack_lvl+0x10c/0x190 [ 1812.400019][ T814] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1812.400048][ T814] ? __kasan_check_write+0x18/0x20 [ 1812.400091][ T814] ? check_stack_object+0x107/0x140 [ 1812.400112][ T814] dump_stack+0x19/0x20 [ 1812.400138][ T814] should_fail_ex+0x3d9/0x530 [ 1812.400161][ T814] should_fail+0xf/0x20 [ 1812.400180][ T814] should_fail_usercopy+0x1e/0x30 [ 1812.400204][ T814] _copy_from_user+0x22/0xb0 [ 1812.400232][ T814] __sys_sendto+0x29e/0x6f0 [ 1812.400261][ T814] ? __cfi___sys_sendto+0x10/0x10 [ 1812.400293][ T814] ? __kasan_check_write+0x18/0x20 [ 1812.400327][ T814] ? __cfi_ksys_write+0x10/0x10 [ 1812.400350][ T814] __x64_sys_sendto+0xe9/0x100 [ 1812.400380][ T814] x64_sys_call+0x2c2c/0x2ee0 [ 1812.400413][ T814] do_syscall_64+0x58/0xf0 [ 1812.400442][ T814] ? clear_bhb_loop+0x50/0xa0 [ 1812.400468][ T814] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1812.400491][ T814] RIP: 0033:0x7ff7fbf8f6c9 [ 1812.400511][ T814] 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 [ 1812.400530][ T814] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 1812.400554][ T814] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1812.400572][ T814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 [ 1812.400588][ T814] RBP: 00007ff7fce15090 R08: 0000200000e68000 R09: 0000000000000010 [ 1812.400605][ T814] R10: 00000000200007fd R11: 0000000000000246 R12: 0000000000000001 [ 1812.400620][ T814] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1812.400641][ T814] [ 1812.919083][ T3357] usb 3-1: new high-speed USB device number 36 using dummy_hcd [ 1813.089101][ T3357] usb 3-1: Using ep0 maxpacket: 32 [ 1813.095540][ T3357] usb 3-1: config 2 has an invalid interface number: 194 but max is 0 [ 1813.104099][ T3357] usb 3-1: config 2 has an invalid descriptor of length 0, skipping remainder of the config [ 1813.114341][ T3357] usb 3-1: config 2 has no interface number 0 [ 1813.120545][ T3357] usb 3-1: config 2 interface 194 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 833 [ 1813.130904][ T3357] usb 3-1: config 2 interface 194 altsetting 0 endpoint 0xA has invalid maxpacket 1584, setting to 1024 [ 1813.142450][ T3357] usb 3-1: config 2 interface 194 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 4 [ 1813.155754][ T3357] usb 3-1: New USB device found, idVendor=0499, idProduct=1025, bcdDevice=9c.f6 [ 1813.165376][ T3357] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1813.179909][ T827] raw-gadget.0 gadget.2: fail, usb_ep_enable returned -22 [ 1813.187312][ T827] raw-gadget.0 gadget.2: fail, usb_ep_enable returned -22 [ 1813.447318][ T3357] usb 3-1: string descriptor 0 read error: -71 [ 1813.479042][ T46] usb 4-1: new full-speed USB device number 35 using dummy_hcd [ 1813.486305][ T3357] usb 3-1: USB disconnect, device number 36 [ 1813.650105][ T46] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1813.671269][ T46] usb 4-1: config 0 has no interfaces? [ 1813.684510][ T46] usb 4-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1813.703362][ T46] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1813.720437][ T46] usb 4-1: config 0 descriptor?? [ 1813.933624][ T46] usb 4-1: USB disconnect, device number 35 [ 1814.607922][T19971] bridge_slave_1: left allmulticast mode [ 1814.624351][T19971] bridge_slave_1: left promiscuous mode [ 1814.639051][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1814.659526][T19971] bridge_slave_0: left allmulticast mode [ 1814.665585][T19971] bridge_slave_0: left promiscuous mode [ 1814.691819][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1814.864250][T19971] veth1_macvtap: left promiscuous mode [ 1814.874369][T19971] veth0_vlan: left promiscuous mode [ 1815.175485][ T918] bridge0: port 1(bridge_slave_0) entered blocking state [ 1815.188983][ T918] bridge0: port 1(bridge_slave_0) entered disabled state [ 1815.200870][ T918] bridge_slave_0: entered allmulticast mode [ 1815.207891][ T918] bridge_slave_0: entered promiscuous mode [ 1815.214681][ T918] bridge0: port 2(bridge_slave_1) entered blocking state [ 1815.221971][ T918] bridge0: port 2(bridge_slave_1) entered disabled state [ 1815.231525][ T918] bridge_slave_1: entered allmulticast mode [ 1815.237973][ T918] bridge_slave_1: entered promiscuous mode [ 1815.355861][ T918] bridge0: port 2(bridge_slave_1) entered blocking state [ 1815.363076][ T918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1815.370468][ T918] bridge0: port 1(bridge_slave_0) entered blocking state [ 1815.377625][ T918] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1815.409510][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1815.417142][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1815.437286][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 1815.444568][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1815.469418][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 1815.476589][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1815.535526][ T918] veth0_vlan: entered promiscuous mode [ 1815.561875][ T918] veth1_macvtap: entered promiscuous mode [ 1817.178836][ T46] usb 3-1: new low-speed USB device number 37 using dummy_hcd [ 1817.329868][ T46] usb 3-1: No LPM exit latency info found, disabling LPM. [ 1817.339257][ T46] usb 3-1: config 1 interface 0 altsetting 101 endpoint 0x1 is Bulk; changing to Interrupt [ 1817.358878][ T46] usb 3-1: config 1 interface 0 altsetting 101 has 2 endpoint descriptors, different from the interface descriptor's value: 1 [ 1817.390930][ T46] usb 3-1: config 1 interface 0 has no altsetting 0 [ 1817.410324][ T46] usb 3-1: New USB device found, idVendor=03f0, idProduct=0004, bcdDevice= 0.40 [ 1817.428986][ T46] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1817.437620][ T46] usb 3-1: Product: 瑞ꂈ늮⶟肋嗐㔖᭧쵽㾾ࠫ㊃ጷⶡ茪晷駣褣㥉묯ᶩ㖩痑亷럹趰䤵➶寿絺绍缱屖꿾⨇幅剠䕔綔徆覱⪵ࡱ퇡᷌䥅寄呦雥Ⴓ㓖쵤笨桹⫘识ⳇ좴ﲓʉČⷑ⃜墓䶪ᄬ뒫ᶞ巄䋗涭ᑤ闯暰ỿ➄䊥菙䊰튉僌㙖乬Ᵽ壳ၞ䰿㩴ᖗ롴Ɖዔ褽敩琿搈⨥縥䐟˩ [ 1817.508817][ T46] usb 3-1: Manufacturer: ࠸ [ 1817.513915][ T46] usb 3-1: SerialNumber: ￆ₹󻒩뒟䜢흯緳졖ú뺬뢨흌瓋颷勢姗ᙫꝣ聞ᏺ褧됻퐝慬椀Ⴌꪨ娛豔Ⓢ望謃檷튶싦헀䴻կ鈊᷑ౚ☖磌툲驭鷧뫬ﺙ兟諎肆꽝 [ 1817.539432][ T1001] raw-gadget.1 gadget.2: fail, usb_ep_enable returned -22 [ 1817.548826][ T1001] raw-gadget.1 gadget.2: fail, usb_ep_enable returned -22 [ 1817.971395][ T1001] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1817.980194][ T1001] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1818.400651][ T1001] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1818.415979][ T1001] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1818.435103][ T1001] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1818.448933][ T1001] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1818.475802][ T46] usb 3-1: USB disconnect, device number 37 [ 1819.142524][ T1111] FAULT_INJECTION: forcing a failure. [ 1819.142524][ T1111] name failslab, interval 1, probability 0, space 0, times 0 [ 1819.159496][ T1111] CPU: 0 UID: 0 PID: 1111 Comm: syz.2.47671 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1819.159534][ T1111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1819.159548][ T1111] Call Trace: [ 1819.159556][ T1111] [ 1819.159566][ T1111] __dump_stack+0x21/0x30 [ 1819.159601][ T1111] dump_stack_lvl+0x10c/0x190 [ 1819.159630][ T1111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1819.159658][ T1111] ? __cfi_vfs_write+0x10/0x10 [ 1819.159679][ T1111] dump_stack+0x19/0x20 [ 1819.159705][ T1111] should_fail_ex+0x3d9/0x530 [ 1819.159728][ T1111] should_failslab+0xac/0x100 [ 1819.159753][ T1111] kmem_cache_alloc_noprof+0x42/0x430 [ 1819.159774][ T1111] ? ksys_write+0x1ef/0x250 [ 1819.159792][ T1111] ? getname_flags+0xc6/0x710 [ 1819.159815][ T1111] getname_flags+0xc6/0x710 [ 1819.159838][ T1111] __x64_sys_mknodat+0x9a/0xc0 [ 1819.159867][ T1111] x64_sys_call+0x21b9/0x2ee0 [ 1819.159900][ T1111] do_syscall_64+0x58/0xf0 [ 1819.159930][ T1111] ? clear_bhb_loop+0x50/0xa0 [ 1819.159956][ T1111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1819.159980][ T1111] RIP: 0033:0x7ff7fbf8f6c9 [ 1819.159999][ T1111] 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 [ 1819.160020][ T1111] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 [ 1819.160044][ T1111] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1819.160060][ T1111] RDX: 00000000000021c0 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 1819.160077][ T1111] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1819.160091][ T1111] R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000001 [ 1819.160106][ T1111] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1819.160126][ T1111] [ 1819.547810][ T36] audit: type=1400 audit(1763224180.897:322): avc: denied { create } for pid=1158 comm="syz.1.47694" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rxrpc_socket permissive=1 [ 1821.028658][ T10] usb 2-1: new full-speed USB device number 43 using dummy_hcd [ 1821.182672][ T10] usb 2-1: no configurations [ 1821.187430][ T10] usb 2-1: can't read configurations, error -22 [ 1821.318642][ T10] usb 2-1: new full-speed USB device number 44 using dummy_hcd [ 1821.419571][ T1329] FAULT_INJECTION: forcing a failure. [ 1821.419571][ T1329] name failslab, interval 1, probability 0, space 0, times 0 [ 1821.432372][ T1329] CPU: 0 UID: 0 PID: 1329 Comm: syz.2.47776 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1821.432409][ T1329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1821.432424][ T1329] Call Trace: [ 1821.432432][ T1329] [ 1821.432443][ T1329] __dump_stack+0x21/0x30 [ 1821.432478][ T1329] dump_stack_lvl+0x10c/0x190 [ 1821.432503][ T1329] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1821.432525][ T1329] ? stack_depot_save_flags+0x38/0x800 [ 1821.432544][ T1329] ? stack_trace_save+0x9d/0xe0 [ 1821.432568][ T1329] dump_stack+0x19/0x20 [ 1821.432589][ T1329] should_fail_ex+0x3d9/0x530 [ 1821.432606][ T1329] should_failslab+0xac/0x100 [ 1821.432625][ T1329] kmem_cache_alloc_node_noprof+0x45/0x440 [ 1821.432641][ T1329] ? __alloc_skb+0x10c/0x370 [ 1821.432662][ T1329] __alloc_skb+0x10c/0x370 [ 1821.432681][ T1329] tcp_stream_alloc_skb+0x43/0x370 [ 1821.432704][ T1329] tcp_sendmsg_locked+0xeb5/0x4b40 [ 1821.432727][ T1329] ? __asan_memcpy+0x5a/0x80 [ 1821.432743][ T1329] ? _raw_spin_lock_bh+0x90/0x120 [ 1821.432768][ T1329] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 1821.432792][ T1329] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1821.432813][ T1329] tcp_sendmsg+0x3e/0xe0 [ 1821.432833][ T1329] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1821.432854][ T1329] inet_sendmsg+0xb7/0x120 [ 1821.432869][ T1329] sock_write_iter+0x3cb/0x4f0 [ 1821.432886][ T1329] ? __cfi_sock_write_iter+0x10/0x10 [ 1821.432906][ T1329] do_iter_readv_writev+0x628/0x810 [ 1821.432925][ T1329] ? vfs_iter_read+0x5f0/0x5f0 [ 1821.432942][ T1329] ? bpf_lsm_file_permission+0xd/0x20 [ 1821.432965][ T1329] vfs_writev+0x485/0xcf0 [ 1821.432984][ T1329] ? do_writev+0x2d0/0x2d0 [ 1821.433012][ T1329] ? vfs_write+0x93e/0xf30 [ 1821.433031][ T1329] do_writev+0x14d/0x2d0 [ 1821.433055][ T1329] ? vfs_readv+0xa50/0xa50 [ 1821.433074][ T1329] ? __kasan_check_read+0x15/0x20 [ 1821.433098][ T1329] __x64_sys_writev+0x81/0x90 [ 1821.433114][ T1329] x64_sys_call+0x1fbb/0x2ee0 [ 1821.433138][ T1329] do_syscall_64+0x58/0xf0 [ 1821.433168][ T1329] ? clear_bhb_loop+0x50/0xa0 [ 1821.433186][ T1329] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1821.433204][ T1329] RIP: 0033:0x7ff7fbf8f6c9 [ 1821.433218][ T1329] 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 [ 1821.433232][ T1329] RSP: 002b:00007ff7fce15038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 1821.433250][ T1329] RAX: ffffffffffffffda RBX: 00007ff7fc1e5fa0 RCX: 00007ff7fbf8f6c9 [ 1821.433263][ T1329] RDX: 0000000000000003 RSI: 0000200000000b80 RDI: 0000000000000008 [ 1821.433274][ T1329] RBP: 00007ff7fce15090 R08: 0000000000000000 R09: 0000000000000000 [ 1821.433284][ T1329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1821.433294][ T1329] R13: 00007ff7fc1e6038 R14: 00007ff7fc1e5fa0 R15: 00007ffd81c673b8 [ 1821.433308][ T1329] [ 1821.798982][ T10] usb 2-1: no configurations [ 1821.803783][ T10] usb 2-1: can't read configurations, error -22 [ 1821.810520][ T10] usb usb2-port1: attempt power cycle [ 1822.147541][ T1363] bridge0: port 1(bridge_slave_0) entered blocking state [ 1822.154766][ T10] usb 2-1: new full-speed USB device number 45 using dummy_hcd [ 1822.162548][ T1363] bridge0: port 1(bridge_slave_0) entered disabled state [ 1822.170168][ T1363] bridge_slave_0: entered allmulticast mode [ 1822.176809][ T1363] bridge_slave_0: entered promiscuous mode [ 1822.185040][ T13] bridge_slave_1: left allmulticast mode [ 1822.189331][ T10] usb 2-1: no configurations [ 1822.190927][ T13] bridge_slave_1: left promiscuous mode [ 1822.195367][ T10] usb 2-1: can't read configurations, error -22 [ 1822.201554][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1822.215673][ T13] bridge_slave_0: left allmulticast mode [ 1822.221905][ T13] bridge_slave_0: left promiscuous mode [ 1822.227730][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1822.301226][ T1363] bridge0: port 2(bridge_slave_1) entered blocking state [ 1822.308592][ T1363] bridge0: port 2(bridge_slave_1) entered disabled state [ 1822.315946][ T1363] bridge_slave_1: entered allmulticast mode [ 1822.322822][ T1363] bridge_slave_1: entered promiscuous mode [ 1822.338635][ T10] usb 2-1: new full-speed USB device number 46 using dummy_hcd [ 1822.352559][ T13] veth1_macvtap: left promiscuous mode [ 1822.358205][ T13] veth0_vlan: left promiscuous mode [ 1822.364499][ T10] usb 2-1: no configurations [ 1822.378785][ T10] usb 2-1: can't read configurations, error -22 [ 1822.385275][ T10] usb usb2-port1: unable to enumerate USB device [ 1822.492537][ T1363] bridge0: port 2(bridge_slave_1) entered blocking state [ 1822.499676][ T1363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1822.507007][ T1363] bridge0: port 1(bridge_slave_0) entered blocking state [ 1822.514302][ T1363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1822.575959][ T1363] veth0_vlan: entered promiscuous mode [ 1822.590524][ T1363] veth1_macvtap: entered promiscuous mode [ 1834.187892][T21917] usb 2-1: new full-speed USB device number 47 using dummy_hcd [ 1834.359414][T21917] usb 2-1: unable to read config index 0 descriptor/start: -61 [ 1834.367413][T21917] usb 2-1: can't read configurations, error -61 [ 1834.517881][T21917] usb 2-1: new full-speed USB device number 48 using dummy_hcd [ 1834.679520][T21917] usb 2-1: unable to read config index 0 descriptor/start: -61 [ 1834.687215][T21917] usb 2-1: can't read configurations, error -61 [ 1834.699804][T21917] usb usb2-port1: attempt power cycle [ 1835.037902][T21917] usb 2-1: new full-speed USB device number 49 using dummy_hcd [ 1835.069568][T21917] usb 2-1: unable to read config index 0 descriptor/start: -61 [ 1835.078300][T21917] usb 2-1: can't read configurations, error -61 [ 1835.227851][T21917] usb 2-1: new full-speed USB device number 50 using dummy_hcd [ 1835.268133][T21917] usb 2-1: unable to read config index 0 descriptor/start: -61 [ 1835.275764][T21917] usb 2-1: can't read configurations, error -61 [ 1835.302499][T21917] usb usb2-port1: unable to enumerate USB device [ 1836.771611][ T2141] FAULT_INJECTION: forcing a failure. [ 1836.771611][ T2141] name failslab, interval 1, probability 0, space 0, times 0 [ 1836.805201][ T2141] CPU: 1 UID: 0 PID: 2141 Comm: syz.4.48158 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1836.805242][ T2141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1836.805259][ T2141] Call Trace: [ 1836.805267][ T2141] [ 1836.805277][ T2141] __dump_stack+0x21/0x30 [ 1836.805314][ T2141] dump_stack_lvl+0x10c/0x190 [ 1836.805345][ T2141] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1836.805377][ T2141] ? stack_depot_save_flags+0x38/0x800 [ 1836.805404][ T2141] ? stack_trace_save+0x9d/0xe0 [ 1836.805439][ T2141] dump_stack+0x19/0x20 [ 1836.805468][ T2141] should_fail_ex+0x3d9/0x530 [ 1836.805492][ T2141] should_failslab+0xac/0x100 [ 1836.805520][ T2141] kmem_cache_alloc_node_noprof+0x45/0x440 [ 1836.805544][ T2141] ? __alloc_skb+0x10c/0x370 [ 1836.805573][ T2141] __alloc_skb+0x10c/0x370 [ 1836.805601][ T2141] tcp_stream_alloc_skb+0x43/0x370 [ 1836.805633][ T2141] tcp_sendmsg_locked+0xeb5/0x4b40 [ 1836.805665][ T2141] ? __asan_memcpy+0x5a/0x80 [ 1836.805689][ T2141] ? _raw_spin_lock_bh+0x90/0x120 [ 1836.805722][ T2141] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 1836.805755][ T2141] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1836.805785][ T2141] tcp_sendmsg+0x3e/0xe0 [ 1836.805945][ T2141] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1836.805975][ T2141] inet_sendmsg+0xb7/0x120 [ 1836.805997][ T2141] sock_write_iter+0x3cb/0x4f0 [ 1836.806023][ T2141] ? __cfi_sock_write_iter+0x10/0x10 [ 1836.806052][ T2141] do_iter_readv_writev+0x628/0x810 [ 1836.806199][ T2141] ? vfs_iter_read+0x5f0/0x5f0 [ 1836.806232][ T2141] ? bpf_lsm_file_permission+0xd/0x20 [ 1836.806264][ T2141] vfs_writev+0x485/0xcf0 [ 1836.806384][ T2141] ? do_writev+0x2d0/0x2d0 [ 1836.806414][ T2141] ? vfs_write+0x93e/0xf30 [ 1836.806439][ T2141] do_writev+0x14d/0x2d0 [ 1836.806465][ T2141] ? vfs_readv+0xa50/0xa50 [ 1836.806493][ T2141] ? __kasan_check_read+0x15/0x20 [ 1836.806529][ T2141] __x64_sys_writev+0x81/0x90 [ 1836.806553][ T2141] x64_sys_call+0x1fbb/0x2ee0 [ 1836.806587][ T2141] do_syscall_64+0x58/0xf0 [ 1836.806617][ T2141] ? clear_bhb_loop+0x50/0xa0 [ 1836.806643][ T2141] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1836.806668][ T2141] RIP: 0033:0x7fb40bb8f6c9 [ 1836.806688][ T2141] 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 [ 1836.806709][ T2141] RSP: 002b:00007fb40a5f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 1836.806735][ T2141] RAX: ffffffffffffffda RBX: 00007fb40bde5fa0 RCX: 00007fb40bb8f6c9 [ 1836.806752][ T2141] RDX: 0000000000000003 RSI: 0000200000000b80 RDI: 0000000000000008 [ 1836.806767][ T2141] RBP: 00007fb40a5f7090 R08: 0000000000000000 R09: 0000000000000000 [ 1836.806782][ T2141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1836.806795][ T2141] R13: 00007fb40bde6038 R14: 00007fb40bde5fa0 R15: 00007ffe30fcb778 [ 1836.806816][ T2141] [ 1837.487696][ T10] usb 3-1: new full-speed USB device number 38 using dummy_hcd [ 1837.649105][ T10] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1837.656746][ T10] usb 3-1: can't read configurations, error -61 [ 1837.805214][ T10] usb 3-1: new full-speed USB device number 39 using dummy_hcd [ 1837.969048][ T10] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1837.976686][ T10] usb 3-1: can't read configurations, error -61 [ 1837.997815][ T10] usb usb3-port1: attempt power cycle [ 1838.357643][ T10] usb 3-1: new full-speed USB device number 40 using dummy_hcd [ 1838.387312][ T10] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1838.395127][ T10] usb 3-1: can't read configurations, error -61 [ 1838.537677][ T10] usb 3-1: new full-speed USB device number 41 using dummy_hcd [ 1838.587479][ T10] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1838.595232][ T10] usb 3-1: can't read configurations, error -61 [ 1838.607831][ T10] usb usb3-port1: unable to enumerate USB device [ 1840.257724][ T10] usb 2-1: new full-speed USB device number 51 using dummy_hcd [ 1840.408715][ T10] usb 2-1: config 0 has no interfaces? [ 1840.424390][ T10] usb 2-1: New USB device found, idVendor=28de, idProduct=1102, bcdDevice= 0.00 [ 1840.444717][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1840.472895][ T10] usb 2-1: config 0 descriptor?? [ 1840.517585][ T36] audit: type=1400 audit(1763224201.868:323): avc: denied { create } for pid=2234 comm="syz.0.48204" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=chr_file permissive=1 [ 1840.693643][ T3357] usb 2-1: USB disconnect, device number 51 [ 1841.448513][ T2296] FAULT_INJECTION: forcing a failure. [ 1841.448513][ T2296] name failslab, interval 1, probability 0, space 0, times 0 [ 1841.472485][ T2296] CPU: 0 UID: 0 PID: 2296 Comm: syz.1.48231 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1841.472524][ T2296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1841.472538][ T2296] Call Trace: [ 1841.472547][ T2296] [ 1841.472557][ T2296] __dump_stack+0x21/0x30 [ 1841.472593][ T2296] dump_stack_lvl+0x10c/0x190 [ 1841.472625][ T2296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1841.472657][ T2296] ? stack_depot_save_flags+0x38/0x800 [ 1841.472683][ T2296] ? stack_trace_save+0x9d/0xe0 [ 1841.472717][ T2296] dump_stack+0x19/0x20 [ 1841.472745][ T2296] should_fail_ex+0x3d9/0x530 [ 1841.472769][ T2296] should_failslab+0xac/0x100 [ 1841.472797][ T2296] kmem_cache_alloc_node_noprof+0x45/0x440 [ 1841.472820][ T2296] ? __alloc_skb+0x10c/0x370 [ 1841.472848][ T2296] __alloc_skb+0x10c/0x370 [ 1841.472874][ T2296] tcp_stream_alloc_skb+0x43/0x370 [ 1841.472909][ T2296] tcp_sendmsg_locked+0xeb5/0x4b40 [ 1841.472940][ T2296] ? __asan_memcpy+0x5a/0x80 [ 1841.472963][ T2296] ? _raw_spin_lock_bh+0x90/0x120 [ 1841.472993][ T2296] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 1841.473024][ T2296] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1841.473052][ T2296] tcp_sendmsg+0x3e/0xe0 [ 1841.473078][ T2296] ? __cfi_tcp_sendmsg+0x10/0x10 [ 1841.473104][ T2296] inet_sendmsg+0xb7/0x120 [ 1841.473125][ T2296] sock_write_iter+0x3cb/0x4f0 [ 1841.473149][ T2296] ? __cfi_sock_write_iter+0x10/0x10 [ 1841.473177][ T2296] do_iter_readv_writev+0x628/0x810 [ 1841.473201][ T2296] ? vfs_iter_read+0x5f0/0x5f0 [ 1841.473226][ T2296] ? bpf_lsm_file_permission+0xd/0x20 [ 1841.473258][ T2296] vfs_writev+0x485/0xcf0 [ 1841.473285][ T2296] ? do_writev+0x2d0/0x2d0 [ 1841.473309][ T2296] ? vfs_write+0x93e/0xf30 [ 1841.473335][ T2296] do_writev+0x14d/0x2d0 [ 1841.473362][ T2296] ? vfs_readv+0xa50/0xa50 [ 1841.473389][ T2296] ? __kasan_check_read+0x15/0x20 [ 1841.473423][ T2296] __x64_sys_writev+0x81/0x90 [ 1841.473446][ T2296] x64_sys_call+0x1fbb/0x2ee0 [ 1841.473479][ T2296] do_syscall_64+0x58/0xf0 [ 1841.473508][ T2296] ? clear_bhb_loop+0x50/0xa0 [ 1841.473533][ T2296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1841.473557][ T2296] RIP: 0033:0x7f9e9098f6c9 [ 1841.473576][ T2296] 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 [ 1841.473597][ T2296] RSP: 002b:00007f9e91753038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 1841.473623][ T2296] RAX: ffffffffffffffda RBX: 00007f9e90be5fa0 RCX: 00007f9e9098f6c9 [ 1841.473641][ T2296] RDX: 0000000000000004 RSI: 0000200000000b80 RDI: 0000000000000008 [ 1841.473657][ T2296] RBP: 00007f9e91753090 R08: 0000000000000000 R09: 0000000000000000 [ 1841.473673][ T2296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1841.473688][ T2296] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1841.473708][ T2296] [ 1842.727589][ T2340] FAULT_INJECTION: forcing a failure. [ 1842.727589][ T2340] name failslab, interval 1, probability 0, space 0, times 0 [ 1842.757431][ T2340] CPU: 0 UID: 0 PID: 2340 Comm: syz.4.48249 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1842.757472][ T2340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1842.757487][ T2340] Call Trace: [ 1842.757495][ T2340] [ 1842.757505][ T2340] __dump_stack+0x21/0x30 [ 1842.757543][ T2340] dump_stack_lvl+0x10c/0x190 [ 1842.757573][ T2340] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1842.757604][ T2340] ? avc_has_extended_perms+0x921/0xdd0 [ 1842.757638][ T2340] dump_stack+0x19/0x20 [ 1842.757667][ T2340] should_fail_ex+0x3d9/0x530 [ 1842.757691][ T2340] should_failslab+0xac/0x100 [ 1842.757718][ T2340] __kmalloc_cache_node_noprof+0x46/0x450 [ 1842.757743][ T2340] ? __get_vm_area_node+0x154/0x3a0 [ 1842.757785][ T2340] __get_vm_area_node+0x154/0x3a0 [ 1842.757817][ T2340] __vmalloc_node_range_noprof+0x33c/0x1420 [ 1842.757850][ T2340] ? kvm_dev_ioctl+0x125/0x14d0 [ 1842.757883][ T2340] ? number+0xd21/0xf80 [ 1842.757912][ T2340] ? pointer+0xdd0/0xdd0 [ 1842.757941][ T2340] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 1842.757974][ T2340] ? vsnprintf+0x19b8/0x1aa0 [ 1842.758003][ T2340] ? kvm_dev_ioctl+0x125/0x14d0 [ 1842.758035][ T2340] __vmalloc_noprof+0xfe/0x1d0 [ 1842.758067][ T2340] ? kvm_dev_ioctl+0x125/0x14d0 [ 1842.758099][ T2340] ? alloc_fd+0x4e7/0x5a0 [ 1842.758121][ T2340] ? __cfi___vmalloc_noprof+0x10/0x10 [ 1842.758154][ T2340] kvm_dev_ioctl+0x125/0x14d0 [ 1842.758186][ T2340] ? __fget_files+0x2c5/0x340 [ 1842.758209][ T2340] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1842.758242][ T2340] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1842.758273][ T2340] ? security_file_ioctl+0x34/0xd0 [ 1842.758299][ T2340] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1842.758330][ T2340] __se_sys_ioctl+0x135/0x1b0 [ 1842.758356][ T2340] __x64_sys_ioctl+0x7f/0xa0 [ 1842.758380][ T2340] x64_sys_call+0x1878/0x2ee0 [ 1842.758414][ T2340] do_syscall_64+0x58/0xf0 [ 1842.758442][ T2340] ? clear_bhb_loop+0x50/0xa0 [ 1842.758468][ T2340] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1842.758493][ T2340] RIP: 0033:0x7fb40bb8f6c9 [ 1842.758513][ T2340] 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 [ 1842.758533][ T2340] RSP: 002b:00007fb40a5f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1842.758558][ T2340] RAX: ffffffffffffffda RBX: 00007fb40bde5fa0 RCX: 00007fb40bb8f6c9 [ 1842.758576][ T2340] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006 [ 1842.758590][ T2340] RBP: 00007fb40a5f7090 R08: 0000000000000000 R09: 0000000000000000 [ 1842.758606][ T2340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1842.758621][ T2340] R13: 00007fb40bde6038 R14: 00007fb40bde5fa0 R15: 00007ffe30fcb778 [ 1842.758641][ T2340] [ 1842.758653][ T2340] syz.4.48249: vmalloc error: size 39304, vm_struct allocation failed, mode:0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null),cpuset=syz4,mems_allowed=0 [ 1843.045038][ T2340] CPU: 0 UID: 0 PID: 2340 Comm: syz.4.48249 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1843.045069][ T2340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1843.045084][ T2340] Call Trace: [ 1843.045092][ T2340] [ 1843.045102][ T2340] __dump_stack+0x21/0x30 [ 1843.045138][ T2340] dump_stack_lvl+0x10c/0x190 [ 1843.045168][ T2340] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1843.045199][ T2340] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 1843.045232][ T2340] dump_stack+0x19/0x20 [ 1843.045260][ T2340] warn_alloc+0x1bc/0x2a0 [ 1843.045291][ T2340] ? __kasan_kmalloc+0x28/0xb0 [ 1843.045317][ T2340] ? __cfi_warn_alloc+0x10/0x10 [ 1843.045349][ T2340] ? __get_vm_area_node+0x392/0x3a0 [ 1843.045380][ T2340] __vmalloc_node_range_noprof+0x361/0x1420 [ 1843.045413][ T2340] ? number+0xd21/0xf80 [ 1843.045442][ T2340] ? pointer+0xdd0/0xdd0 [ 1843.045470][ T2340] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 1843.045504][ T2340] ? vsnprintf+0x19b8/0x1aa0 [ 1843.045532][ T2340] ? kvm_dev_ioctl+0x125/0x14d0 [ 1843.045565][ T2340] __vmalloc_noprof+0xfe/0x1d0 [ 1843.045597][ T2340] ? kvm_dev_ioctl+0x125/0x14d0 [ 1843.045629][ T2340] ? alloc_fd+0x4e7/0x5a0 [ 1843.045650][ T2340] ? __cfi___vmalloc_noprof+0x10/0x10 [ 1843.045683][ T2340] kvm_dev_ioctl+0x125/0x14d0 [ 1843.045726][ T2340] ? __fget_files+0x2c5/0x340 [ 1843.045750][ T2340] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1843.045783][ T2340] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1843.045814][ T2340] ? security_file_ioctl+0x34/0xd0 [ 1843.045840][ T2340] ? __cfi_kvm_dev_ioctl+0x10/0x10 [ 1843.045871][ T2340] __se_sys_ioctl+0x135/0x1b0 [ 1843.045897][ T2340] __x64_sys_ioctl+0x7f/0xa0 [ 1843.045921][ T2340] x64_sys_call+0x1878/0x2ee0 [ 1843.045956][ T2340] do_syscall_64+0x58/0xf0 [ 1843.045984][ T2340] ? clear_bhb_loop+0x50/0xa0 [ 1843.046010][ T2340] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1843.046035][ T2340] RIP: 0033:0x7fb40bb8f6c9 [ 1843.046054][ T2340] 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 [ 1843.046075][ T2340] RSP: 002b:00007fb40a5f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1843.046101][ T2340] RAX: ffffffffffffffda RBX: 00007fb40bde5fa0 RCX: 00007fb40bb8f6c9 [ 1843.046120][ T2340] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006 [ 1843.046135][ T2340] RBP: 00007fb40a5f7090 R08: 0000000000000000 R09: 0000000000000000 [ 1843.046151][ T2340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1843.046165][ T2340] R13: 00007fb40bde6038 R14: 00007fb40bde5fa0 R15: 00007ffe30fcb778 [ 1843.046183][ T2340] [ 1843.046192][ T2340] Mem-Info: [ 1843.327340][ T2340] active_anon:30658 inactive_anon:13 isolated_anon:0 [ 1843.327340][ T2340] active_file:22821 inactive_file:3117 isolated_file:0 [ 1843.327340][ T2340] unevictable:0 dirty:215 writeback:0 [ 1843.327340][ T2340] slab_reclaimable:8131 slab_unreclaimable:74386 [ 1843.327340][ T2340] mapped:34615 shmem:23553 pagetables:1671 [ 1843.327340][ T2340] sec_pagetables:0 bounce:0 [ 1843.327340][ T2340] kernel_misc_reclaimable:0 [ 1843.327340][ T2340] free:1462288 free_pcp:33857 free_cma:0 [ 1843.382592][ T2340] Node 0 active_anon:127132kB inactive_anon:52kB active_file:91284kB inactive_file:12468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:138460kB dirty:860kB writeback:0kB shmem:98412kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:6264kB pagetables:6784kB sec_pagetables:0kB all_unreclaimable? no [ 1843.425182][ T2340] DMA32 free:2952148kB boost:0kB min:19088kB low:23860kB high:28632kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2965936kB mlocked:0kB bounce:0kB free_pcp:13788kB local_pcp:10620kB free_cma:0kB [ 1843.457622][ T2340] lowmem_reserve[]: 0 3921 3921 [ 1843.463783][ T2340] Normal free:2944656kB boost:0kB min:25964kB low:32452kB high:38940kB reserved_highatomic:0KB free_highatomic:0KB active_anon:132632kB inactive_anon:52kB active_file:91284kB inactive_file:12468kB unevictable:0kB writepending:860kB present:5242880kB managed:4016120kB mlocked:0kB bounce:0kB free_pcp:64164kB local_pcp:19536kB free_cma:0kB [ 1843.496002][ T2340] lowmem_reserve[]: 0 0 0 [ 1843.526985][ T2340] DMA32: 3*4kB (M) 1*8kB (M) 2*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 3*256kB (M) 3*512kB (M) 4*1024kB (UM) 4*2048kB (M) 717*4096kB (M) = 2952148kB [ 1843.554446][ T2340] Normal: 651*4kB (UME) 849*8kB (UME) 1090*16kB (UME) 798*32kB (UME) 377*64kB (UME) 147*128kB (UME) 63*256kB (UME) 59*512kB (UME) 37*1024kB (UME) 12*2048kB (UM) 669*4096kB (UM) = 2944340kB [ 1843.594733][ T2340] 57525 total pagecache pages [ 1843.607323][ T2340] 13 pages in swap cache [ 1843.611666][ T2340] Free swap = 124308kB [ 1843.615852][ T2340] Total swap = 124996kB [ 1843.630414][ T2340] 2097051 pages RAM [ 1843.634305][ T2340] 0 pages HighMem/MovableOnly [ 1843.647319][ T2340] 351537 pages reserved [ 1843.657464][ T2340] 0 pages cma reserved [ 1843.664414][ T2340] Memory allocations: [ 1843.678782][ T2340] 0 B 0 init/main.c:1370 func:do_initcalls [ 1843.686178][ T2340] 0 B 0 init/do_mounts.c:186 func:mount_root_generic [ 1843.714770][ T2340] 0 B 0 init/do_mounts.c:158 func:do_mount_root [ 1843.727341][ T2340] 0 B 0 init/do_mounts.c:352 func:mount_nodev_root [ 1843.745668][ T2340] 0 B 0 init/do_mounts_rd.c:241 func:rd_load_image [ 1843.764012][ T2340] 0 B 0 init/do_mounts_rd.c:72 func:identify_ramdisk_image [ 1843.777443][ T2340] 0 B 0 init/initramfs.c:507 func:unpack_to_rootfs [ 1843.795605][ T2340] 0 B 0 init/initramfs.c:508 func:unpack_to_rootfs [ 1843.815258][ T2340] 0 B 0 init/initramfs.c:509 func:unpack_to_rootfs [ 1843.827369][ T2340] 0 B 0 init/initramfs.c:101 func:find_link [ 1845.591330][ T2436] validate_nla: 28 callbacks suppressed [ 1845.591358][ T2436] netlink: 'syz.2.48291': attribute type 4 has an invalid length. [ 1845.628125][ T2436] netlink: 'syz.2.48291': attribute type 5 has an invalid length. [ 1845.636121][ T2436] __nla_validate_parse: 9 callbacks suppressed [ 1845.636145][ T2436] netlink: 3657 bytes leftover after parsing attributes in process `syz.2.48291'. [ 1847.457144][ T46] usb 2-1: new full-speed USB device number 52 using dummy_hcd [ 1847.627635][ T46] usb 2-1: no configurations [ 1847.632401][ T46] usb 2-1: can't read configurations, error -22 [ 1847.787109][ T46] usb 2-1: new full-speed USB device number 53 using dummy_hcd [ 1847.957500][ T46] usb 2-1: no configurations [ 1847.962181][ T46] usb 2-1: can't read configurations, error -22 [ 1847.976283][ T46] usb usb2-port1: attempt power cycle [ 1848.327094][ T46] usb 2-1: new full-speed USB device number 54 using dummy_hcd [ 1848.347830][ T46] usb 2-1: no configurations [ 1848.352492][ T46] usb 2-1: can't read configurations, error -22 [ 1848.507115][ T46] usb 2-1: new full-speed USB device number 55 using dummy_hcd [ 1848.537826][ T46] usb 2-1: no configurations [ 1848.542499][ T46] usb 2-1: can't read configurations, error -22 [ 1848.554691][ T46] usb usb2-port1: unable to enumerate USB device [ 1851.747008][ T2685] FAULT_INJECTION: forcing a failure. [ 1851.747008][ T2685] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1851.796941][ T2685] CPU: 0 UID: 0 PID: 2685 Comm: syz.1.48411 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1851.796982][ T2685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1851.796998][ T2685] Call Trace: [ 1851.797005][ T2685] [ 1851.797015][ T2685] __dump_stack+0x21/0x30 [ 1851.797052][ T2685] dump_stack_lvl+0x10c/0x190 [ 1851.797081][ T2685] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1851.797111][ T2685] ? __x64_sys_openat+0x13a/0x170 [ 1851.797142][ T2685] ? do_syscall_64+0x58/0xf0 [ 1851.797171][ T2685] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1851.797198][ T2685] dump_stack+0x19/0x20 [ 1851.797227][ T2685] should_fail_ex+0x3d9/0x530 [ 1851.797252][ T2685] should_fail+0xf/0x20 [ 1851.797272][ T2685] should_fail_usercopy+0x1e/0x30 [ 1851.797298][ T2685] _copy_from_iter+0x3bb/0x14d0 [ 1851.797328][ T2685] ? __cfi__copy_from_iter+0x10/0x10 [ 1851.797356][ T2685] ? __cfi_avc_has_perm+0x10/0x10 [ 1851.797386][ T2685] ? kasan_save_alloc_info+0x40/0x50 [ 1851.797419][ T2685] tun_get_user+0x201/0x3450 [ 1851.797445][ T2685] ? ptr_ring_consume+0x430/0x430 [ 1851.797469][ T2685] ? is_bpf_text_address+0x17b/0x1a0 [ 1851.797495][ T2685] ? __kasan_check_write+0x18/0x20 [ 1851.797528][ T2685] ? ref_tracker_alloc+0x308/0x540 [ 1851.797554][ T2685] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 1851.797583][ T2685] ? _parse_integer+0x2e/0x40 [ 1851.797618][ T2685] tun_chr_write_iter+0x1fc/0x310 [ 1851.797642][ T2685] do_iter_readv_writev+0x628/0x810 [ 1851.797667][ T2685] ? vfs_iter_read+0x5f0/0x5f0 [ 1851.797690][ T2685] ? bpf_lsm_file_permission+0xd/0x20 [ 1851.797721][ T2685] vfs_writev+0x485/0xcf0 [ 1851.797747][ T2685] ? do_writev+0x2d0/0x2d0 [ 1851.797781][ T2685] ? vfs_write+0x93e/0xf30 [ 1851.797807][ T2685] do_writev+0x14d/0x2d0 [ 1851.797832][ T2685] ? vfs_readv+0xa50/0xa50 [ 1851.797859][ T2685] ? __kasan_check_read+0x15/0x20 [ 1851.797893][ T2685] __x64_sys_writev+0x81/0x90 [ 1851.797916][ T2685] x64_sys_call+0x1fbb/0x2ee0 [ 1851.797950][ T2685] do_syscall_64+0x58/0xf0 [ 1851.797978][ T2685] ? clear_bhb_loop+0x50/0xa0 [ 1851.798002][ T2685] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1851.798024][ T2685] RIP: 0033:0x7f9e9098f6c9 [ 1851.798043][ T2685] 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 [ 1851.798064][ T2685] RSP: 002b:00007f9e91753038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 1851.798089][ T2685] RAX: ffffffffffffffda RBX: 00007f9e90be5fa0 RCX: 00007f9e9098f6c9 [ 1851.798105][ T2685] RDX: 0000000000000002 RSI: 0000200000000180 RDI: 0000000000000007 [ 1851.798119][ T2685] RBP: 00007f9e91753090 R08: 0000000000000000 R09: 0000000000000000 [ 1851.798133][ T2685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1851.798148][ T2685] R13: 00007f9e90be6038 R14: 00007f9e90be5fa0 R15: 00007ffff4ba2ba8 [ 1851.798168][ T2685] [ 1852.169882][ T2711] FAULT_INJECTION: forcing a failure. [ 1852.169882][ T2711] name failslab, interval 1, probability 0, space 0, times 0 [ 1852.216909][ T2711] CPU: 1 UID: 0 PID: 2711 Comm: syz.2.48423 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1852.216949][ T2711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1852.216966][ T2711] Call Trace: [ 1852.216974][ T2711] [ 1852.216984][ T2711] __dump_stack+0x21/0x30 [ 1852.217020][ T2711] dump_stack_lvl+0x10c/0x190 [ 1852.217056][ T2711] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1852.217088][ T2711] ? avc_has_perm+0x144/0x220 [ 1852.217121][ T2711] dump_stack+0x19/0x20 [ 1852.217149][ T2711] should_fail_ex+0x3d9/0x530 [ 1852.217174][ T2711] should_failslab+0xac/0x100 [ 1852.217200][ T2711] __kmalloc_cache_noprof+0x41/0x490 [ 1852.217223][ T2711] ? vhost_task_create+0x101/0x350 [ 1852.217247][ T2711] ? __cfi_kvm_nx_huge_page_recovery_worker+0x10/0x10 [ 1852.217274][ T2711] vhost_task_create+0x101/0x350 [ 1852.217296][ T2711] ? __cfi_kvm_nx_huge_page_recovery_worker_kill+0x10/0x10 [ 1852.217323][ T2711] ? __cfi_vhost_task_create+0x10/0x10 [ 1852.217348][ T2711] ? __cfi_vhost_task_fn+0x10/0x10 [ 1852.217370][ T2711] ? __kasan_check_write+0x18/0x20 [ 1852.217404][ T2711] ? mutex_lock+0x92/0x1c0 [ 1852.217424][ T2711] ? __cfi_mutex_lock+0x10/0x10 [ 1852.217446][ T2711] ? kernel_text_address+0xa9/0xe0 [ 1852.217483][ T2711] kvm_mmu_post_init_vm+0x156/0x2d0 [ 1852.217516][ T2711] kvm_arch_vcpu_ioctl_run+0xd7/0x1aa0 [ 1852.217546][ T2711] ? _parse_integer_limit+0x195/0x1e0 [ 1852.217583][ T2711] ? __cfi_kvm_arch_vcpu_ioctl_run+0x10/0x10 [ 1852.217613][ T2711] ? kstrtoull+0x13b/0x1e0 [ 1852.217633][ T2711] ? kstrtouint+0x78/0xf0 [ 1852.217653][ T2711] ? ioctl_has_perm+0x1aa/0x4d0 [ 1852.217680][ T2711] ? __asan_memcpy+0x5a/0x80 [ 1852.217700][ T2711] ? ioctl_has_perm+0x3e0/0x4d0 [ 1852.217728][ T2711] ? has_cap_mac_admin+0xd0/0xd0 [ 1852.217755][ T2711] ? __kasan_check_write+0x18/0x20 [ 1852.217788][ T2711] ? mutex_lock_killable+0x92/0x1c0 [ 1852.217811][ T2711] ? __cfi_mutex_lock_killable+0x10/0x10 [ 1852.217833][ T2711] ? proc_fail_nth_write+0x17e/0x210 [ 1852.217865][ T2711] kvm_vcpu_ioctl+0x96f/0xee0 [ 1852.217887][ T2711] ? __cfi_kvm_vcpu_ioctl+0x10/0x10 [ 1852.217908][ T2711] ? __cfi_vfs_write+0x10/0x10 [ 1852.217930][ T2711] ? __kasan_check_write+0x18/0x20 [ 1852.217963][ T2711] ? mutex_unlock+0x8b/0x240 [ 1852.217984][ T2711] ? __cfi_mutex_unlock+0x10/0x10 [ 1852.218004][ T2711] ? __fget_files+0x2c5/0x340 [ 1852.218030][ T2711] ? __fget_files+0x2c5/0x340 [ 1852.218055][ T2711] ? bpf_lsm_file_ioctl+0xd/0x20 [ 1852.218087][ T2711] ? security_file_ioctl+0x34/0xd0 [ 1852.218113][ T2711] ? __cfi_kvm_vcpu_ioctl+0x10/0x10 [ 1852.218133][ T2711] __se_sys_ioctl+0x135/0x1b0 [ 1852.218159][ T2711] __x64_sys_ioctl+0x7f/0xa0 [ 1852.218183][ T2711] x64_sys_call+0x1878/0x2ee0 [ 1852.218216][ T2711] do_syscall_64+0x58/0xf0 [ 1852.218245][ T2711] ? clear_bhb_loop+0x50/0xa0 [ 1852.218270][ T2711] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1852.218294][ T2711] RIP: 0033:0x7fbbbf98f6c9 [ 1852.218314][ T2711] 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 [ 1852.218334][ T2711] RSP: 002b:00007fbbc0744038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1852.218359][ T2711] RAX: ffffffffffffffda RBX: 00007fbbbfbe5fa0 RCX: 00007fbbbf98f6c9 [ 1852.218377][ T2711] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 [ 1852.218392][ T2711] RBP: 00007fbbc0744090 R08: 0000000000000000 R09: 0000000000000000 [ 1852.218407][ T2711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1852.218421][ T2711] R13: 00007fbbbfbe6038 R14: 00007fbbbfbe5fa0 R15: 00007ffd61d89f08 [ 1852.218442][ T2711] [ 1855.051969][ T2832] bridge0: port 1(bridge_slave_0) entered blocking state [ 1855.071084][ T2832] bridge0: port 1(bridge_slave_0) entered disabled state [ 1855.092402][ T2832] bridge_slave_0: entered allmulticast mode [ 1855.108754][ T2832] bridge_slave_0: entered promiscuous mode [ 1855.126677][ T2832] bridge0: port 2(bridge_slave_1) entered blocking state [ 1855.133950][ T2832] bridge0: port 2(bridge_slave_1) entered disabled state [ 1855.156732][ T2832] bridge_slave_1: entered allmulticast mode [ 1855.170356][ T2832] bridge_slave_1: entered promiscuous mode [ 1855.204471][ T331] bridge_slave_1: left allmulticast mode [ 1855.210308][ T331] bridge_slave_1: left promiscuous mode [ 1855.216182][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1855.246881][ T331] bridge_slave_0: left allmulticast mode [ 1855.252591][ T331] bridge_slave_0: left promiscuous mode [ 1855.286770][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1855.420236][ T331] veth1_macvtap: left promiscuous mode [ 1855.425839][ T331] veth0_vlan: left promiscuous mode [ 1855.705590][ T2832] bridge0: port 2(bridge_slave_1) entered blocking state [ 1855.712755][ T2832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1855.720183][ T2832] bridge0: port 1(bridge_slave_0) entered blocking state [ 1855.727290][ T2832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1855.812665][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 1855.824570][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 1855.840337][T19971] bridge0: port 1(bridge_slave_0) entered blocking state [ 1855.847478][T19971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1855.877692][T19971] bridge0: port 2(bridge_slave_1) entered blocking state [ 1855.884811][T19971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1855.924385][ T2832] veth0_vlan: entered promiscuous mode [ 1855.953110][ T2832] veth1_macvtap: entered promiscuous mode [ 1857.256641][T21917] usb 3-1: new full-speed USB device number 42 using dummy_hcd [ 1857.418057][T21917] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1857.425709][T21917] usb 3-1: can't read configurations, error -61 [ 1857.576645][T21917] usb 3-1: new full-speed USB device number 43 using dummy_hcd [ 1857.748030][T21917] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1857.755916][T21917] usb 3-1: can't read configurations, error -61 [ 1857.783198][T21917] usb usb3-port1: attempt power cycle [ 1858.126538][T21917] usb 3-1: new full-speed USB device number 44 using dummy_hcd [ 1858.158526][T21917] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1858.166271][T21917] usb 3-1: can't read configurations, error -61 [ 1858.296561][T21917] usb 3-1: new full-speed USB device number 45 using dummy_hcd [ 1858.338252][T21917] usb 3-1: unable to read config index 0 descriptor/start: -61 [ 1858.346006][T21917] usb 3-1: can't read configurations, error -61 [ 1858.362996][T21917] usb usb3-port1: unable to enumerate USB device [ 1861.479966][ T3138] loop5: detected capacity change from 0 to 7 [ 1870.841523][ T3481] bridge0: port 1(bridge_slave_0) entered blocking state [ 1870.883404][ T3481] bridge0: port 1(bridge_slave_0) entered disabled state [ 1870.905868][ T3481] bridge_slave_0: entered allmulticast mode [ 1870.926310][ T3481] bridge_slave_0: entered promiscuous mode [ 1870.932997][ T3481] bridge0: port 2(bridge_slave_1) entered blocking state [ 1870.982507][ T3481] bridge0: port 2(bridge_slave_1) entered disabled state [ 1871.009946][ T3481] bridge_slave_1: entered allmulticast mode [ 1871.030309][ T3481] bridge_slave_1: entered promiscuous mode [ 1871.256659][ T331] bridge_slave_1: left allmulticast mode [ 1871.262433][ T331] bridge_slave_1: left promiscuous mode [ 1871.276915][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 1871.296347][ T331] bridge_slave_0: left allmulticast mode [ 1871.302363][ T331] bridge_slave_0: left promiscuous mode [ 1871.315885][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1871.451233][ T331] veth1_macvtap: left promiscuous mode [ 1871.457372][ T331] veth0_vlan: left promiscuous mode [ 1871.582573][T19971] bridge0: port 1(bridge_slave_0) entered blocking state [ 1871.589799][T19971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1871.624943][T19971] bridge0: port 2(bridge_slave_1) entered blocking state [ 1871.632093][T19971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1871.654314][ T3481] veth0_vlan: entered promiscuous mode [ 1871.673388][ T3481] veth1_macvtap: entered promiscuous mode [ 1876.089329][ T3710] cgroup: fork rejected by pids controller in /syz4 [ 1883.107330][ T4201] FAULT_INJECTION: forcing a failure. [ 1883.107330][ T4201] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1883.126595][ T4201] CPU: 1 UID: 0 PID: 4201 Comm: syz.1.49126 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1883.126633][ T4201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1883.126650][ T4201] Call Trace: [ 1883.126658][ T4201] [ 1883.126668][ T4201] __dump_stack+0x21/0x30 [ 1883.126706][ T4201] dump_stack_lvl+0x10c/0x190 [ 1883.126737][ T4201] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1883.126769][ T4201] ? check_stack_object+0x107/0x140 [ 1883.126792][ T4201] dump_stack+0x19/0x20 [ 1883.126821][ T4201] should_fail_ex+0x3d9/0x530 [ 1883.126845][ T4201] should_fail+0xf/0x20 [ 1883.126866][ T4201] should_fail_usercopy+0x1e/0x30 [ 1883.126892][ T4201] _copy_from_user+0x22/0xb0 [ 1883.126920][ T4201] __sys_bind+0x1de/0x3f0 [ 1883.126949][ T4201] ? __cfi___sys_bind+0x10/0x10 [ 1883.126980][ T4201] ? __kasan_check_read+0x15/0x20 [ 1883.127014][ T4201] __x64_sys_bind+0x7e/0x90 [ 1883.127042][ T4201] x64_sys_call+0x1ffd/0x2ee0 [ 1883.127076][ T4201] do_syscall_64+0x58/0xf0 [ 1883.127104][ T4201] ? clear_bhb_loop+0x50/0xa0 [ 1883.127130][ T4201] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1883.127155][ T4201] RIP: 0033:0x7fc145b8f6c9 [ 1883.127174][ T4201] 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 [ 1883.127195][ T4201] RSP: 002b:00007fc146adb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 1883.127220][ T4201] RAX: ffffffffffffffda RBX: 00007fc145de5fa0 RCX: 00007fc145b8f6c9 [ 1883.127238][ T4201] RDX: 0000000000000047 RSI: 0000200000000040 RDI: 0000000000000007 [ 1883.127253][ T4201] RBP: 00007fc146adb090 R08: 0000000000000000 R09: 0000000000000000 [ 1883.127269][ T4201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1883.127284][ T4201] R13: 00007fc145de6038 R14: 00007fc145de5fa0 R15: 00007ffdfeec0d98 [ 1883.127304][ T4201] [ 1886.159757][ T36] audit: type=1400 audit(1763224247.511:324): avc: denied { read } for pid=4400 comm="poweroff" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:acpid_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Stopping sshd: stopped /usr/sbin/sshd (pid 201) OK [ 1886.784909][ T36] audit: type=1400 audit(1763224248.131:325): avc: denied { execute } for pid=4428 comm="syz.4.49230" path="/497/blkio.bfq.group_wait_time" dev="tmpfs" ino=3027 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1 Stopping crond: stopped /usr/sbin/crond (pid 194) OK Stopping dhcpcd... stopped /sbin/dhcpcd (pid 148) [ 1887.082088][ T36] audit: type=1400 audit(1763224248.431:326): avc: denied { search } for pid=4450 comm="dhcpcd-run-hook" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Stopping network: [ 1887.307990][ T36] audit: type=1400 audit(1763224248.661:327): avc: denied { read write } for pid=4470 comm="ip" path="/dev/console" dev="rootfs" ino=105 scontext=system_u:system_r:ifconfig_t tcontext=system_u:object_r:root_t tclass=chr_file permissive=1 [ 1887.380525][ T36] audit: type=1400 audit(1763224248.701:328): avc: denied { write } for pid=149 comm="dhcpcd" name="dhcpcd" dev="tmpfs" ino=421 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 1887.442876][ T36] audit: type=1400 audit(1763224248.701:329): avc: denied { remove_name } for pid=149 comm="dhcpcd" name="sock" dev="tmpfs" ino=423 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 OK [ 1887.494896][ T36] audit: type=1400 audit(1763224248.701:330): avc: denied { unlink } for pid=149 comm="dhcpcd" name="sock" dev="tmpfs" ino=423 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=sock_file permissive=1 Stopping iptables: [ 1887.530943][ T36] audit: type=1400 audit(1763224248.721:331): avc: denied { unlink } for pid=149 comm="dhcpcd" name="pid" dev="tmpfs" ino=422 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 1887.564752][ T36] audit: type=1400 audit(1763224248.881:332): avc: denied { read write } for pid=4481 comm="iptables" path="/dev/console" dev="rootfs" ino=105 scontext=system_u:system_r:iptables_t tcontext=system_u:object_r:root_t tclass=chr_file permissive=1 [ 1887.604975][ T36] audit: type=1400 audit(1763224248.911:333): avc: denied { search } for pid=4481 comm="iptables" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:iptables_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 OK Stopping system message bus: done Stopping klogd: OK Stopping acpid: [ 1888.846535][ T4543] FAULT_INJECTION: forcing a failure. [ 1888.846535][ T4543] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1888.870021][ T4543] CPU: 1 UID: 0 PID: 4543 Comm: syz.0.49264 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 1888.870063][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 1888.870080][ T4543] Call Trace: [ 1888.870088][ T4543] [ 1888.870099][ T4543] __dump_stack+0x21/0x30 [ 1888.870137][ T4543] dump_stack_lvl+0x10c/0x190 [ 1888.870168][ T4543] ? __cfi_dump_stack_lvl+0x10/0x10 [ 1888.870200][ T4543] ? check_stack_object+0x12c/0x140 [ 1888.870224][ T4543] dump_stack+0x19/0x20 [ 1888.870253][ T4543] should_fail_ex+0x3d9/0x530 [ 1888.870278][ T4543] should_fail+0xf/0x20 [ 1888.870299][ T4543] should_fail_usercopy+0x1e/0x30 [ 1888.870325][ T4543] _copy_to_user+0x24/0xa0 [ 1888.870354][ T4543] simple_read_from_buffer+0xed/0x160 [ 1888.870385][ T4543] proc_fail_nth_read+0x19e/0x210 [ 1888.870416][ T4543] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1888.870447][ T4543] ? bpf_lsm_file_permission+0xd/0x20 [ 1888.870480][ T4543] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 1888.870511][ T4543] vfs_read+0x27d/0xc70 [ 1888.870532][ T4543] ? __cfi_vfs_read+0x10/0x10 [ 1888.870552][ T4543] ? __kasan_check_write+0x18/0x20 [ 1888.870588][ T4543] ? mutex_lock+0x92/0x1c0 [ 1888.870609][ T4543] ? __cfi_mutex_lock+0x10/0x10 [ 1888.870630][ T4543] ? __fget_files+0x2c5/0x340 [ 1888.870658][ T4543] ksys_read+0x141/0x250 [ 1888.870679][ T4543] ? __cfi_ksys_read+0x10/0x10 [ 1888.870701][ T4543] ? __kasan_check_read+0x15/0x20 [ 1888.870743][ T4543] __x64_sys_read+0x7f/0x90 [ 1888.870764][ T4543] x64_sys_call+0x2638/0x2ee0 [ 1888.870806][ T4543] do_syscall_64+0x58/0xf0 [ 1888.870836][ T4543] ? clear_bhb_loop+0x50/0xa0 [ 1888.870862][ T4543] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 1888.870888][ T4543] RIP: 0033:0x7f4bde58e0dc [ 1888.870908][ T4543] 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 [ 1888.870928][ T4543] RSP: 002b:00007f4bdf40a030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1888.870954][ T4543] RAX: ffffffffffffffda RBX: 00007f4bde7e5fa0 RCX: 00007f4bde58e0dc [ 1888.870972][ T4543] RDX: 000000000000000f RSI: 00007f4bdf40a0a0 RDI: 0000000000000007 [ 1888.870988][ T4543] RBP: 00007f4bdf40a090 R08: 0000000000000000 R09: 0000000000000000 [ 1888.871004][ T4543] R10: 0000000000000d37 R11: 0000000000000246 R12: 0000000000000001 [ 1888.871019][ T4543] R13: 00007f4bde7e6038 R14: 00007f4bde7e5fa0 R15: 00007fff9d7ed838 [ 1888.871040][ T4543] OK Stopping syslogd: stopped /sbin/syslogd (pid 92) OK umount: can't remount debugfs read-only Connection to 10.128.1.220 closed by remote host. umount: sysfs busy - remounted read-only umount: devtmpfs busy - remounted read-only umount: can't remount /dev/root read-only The system is going down NOW! Sent SIGTERM to all processes [ 1890.387575][T19971] bridge_slave_1: left allmulticast mode [ 1890.393293][T19971] bridge_slave_1: left promiscuous mode [ 1890.406862][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1890.426862][T19971] bridge_slave_0: left allmulticast mode [ 1890.432585][T19971] bridge_slave_0: left promiscuous mode [ 1890.454786][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1890.616915][T19971] veth1_macvtap: left promiscuous mode [ 1890.622466][T19971] veth0_vlan: left promiscuous mode [ 1890.978648][T19971] bridge_slave_1: left allmulticast mode [ 1890.984369][T19971] bridge_slave_1: left promiscuous mode [ 1890.990050][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1890.997708][T19971] bridge_slave_0: left allmulticast mode [ 1891.003366][T19971] bridge_slave_0: left promiscuous mode [ 1891.009060][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1891.016966][T19971] bridge_slave_1: left allmulticast mode [ 1891.022720][T19971] bridge_slave_1: left promiscuous mode [ 1891.028477][T19971] bridge0: port 2(bridge_slave_1) entered disabled state [ 1891.036387][T19971] bridge_slave_0: left allmulticast mode [ 1891.042053][T19971] bridge_slave_0: left promiscuous mode Sent SIGKILL to[ 1891.048098][T19971] bridge0: port 1(bridge_slave_0) entered disabled state all processes [ 1891.057152][T19971] bridge_slave_1: left allmulticast mode [ 1891.063289][T19971] bridge_slave_1: left promiscuous mode [ 1891.069055][T19971] bridge0: port 2(bridge_slave_1) entered disabled state Requesting syst[ 1891.076940][T19971] bridge_slave_0: left allmulticast mode [ 1891.083606][T19971] bridge_slave_0: left promiscuous mode em poweroff [ 1891.089491][T19971] bridge0: port 1(bridge_slave_0) entered disabled state [ 1891.389788][T19971] veth1_macvtap: left promiscuous mode [ 1891.395418][T19971] veth0_vlan: left promiscuous mode [ 1891.401162][T19971] veth1_macvtap: left promiscuous mode [ 1891.406748][T19971] veth0_vlan: left promiscuous mode [ 1891.412725][T19971] veth1_macvtap: left promiscuous mode [ 1891.418374][T19971] veth0_vlan: left promiscuous mode [ 1892.078095][ T4594] sd 0:0:1:0: [sda] Synchronizing SCSI cache [ 1892.085390][ T4594] ACPI: PM: Preparing to enter system sleep state S5 [ 1892.092478][ T4594] kvm: exiting hardware virtualization [ 1892.098680][ T4594] reboot: Power down serialport: VM disconnected.