last executing test programs: 21.511085573s ago: executing program 3 (id=95): socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) pipe2(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) splice(r1, 0x0, r2, 0x0, 0x6, 0x0) write(r0, 0x0, 0x0) 21.443118775s ago: executing program 2 (id=97): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x1b, &(0x7f0000000100)={@remote, 0x0, 0x0, 0x0, 0xc, 0xfff, 0xc}, 0x20) close_range(r0, 0xffffffffffffffff, 0x0) 21.442420905s ago: executing program 2 (id=99): r0 = syz_create_resource$binfmt(&(0x7f0000001400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x42, 0x1ff) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f00000020c0), 0x2000413, &(0x7f0000000280)={{'fd', 0x3d, r1}, 0x2c, {'rootmode', 0x3d, 0x8000}}) syz_fuse_handle_req(r1, &(0x7f0000002100)="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0x2000, &(0x7f00000001c0)={&(0x7f0000000000)={0x50, 0x0, 0x48000000000203, {0x7, 0x29, 0xcf940281, 0x733418e2, 0x1, 0x8, 0x0, 0x80, 0x0, 0x0, 0x40, 0x5}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f000000dcc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f000000db40)={0x78, 0x0, 0xffff, {0x8, 0x7, 0x0, {0x4, 0xd, 0x6, 0x7, 0x40000000000003, 0x2, 0x0, 0x35741061, 0x4000, 0xa593e9c1ca988eda, 0xfffffff9, 0x0, 0x0, 0x3d, 0x12}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0) 21.441384886s ago: executing program 3 (id=101): r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) kcmp$KCMP_EPOLL_TFD(r0, r1, 0x7, 0xffffffffffffffff, 0x0) 21.394954507s ago: executing program 3 (id=104): r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="280000001200210325"], 0x28}, 0x1, 0x0, 0x0, 0x1}, 0xc080) 21.349394658s ago: executing program 3 (id=107): r0 = socket$igmp6(0xa, 0x3, 0x2) sendmmsg$inet(0xffffffffffffffff, &(0x7f00000070c0)=[{{0x0, 0x0, &(0x7f0000000d40)}}], 0x1, 0x800) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000980)=@raw={'raw\x00', 0x8, 0x3, 0x530, 0x1d8, 0xffffffff, 0xffffffff, 0x1d8, 0xffffffff, 0x460, 0xffffffff, 0xffffffff, 0x460, 0xffffffff, 0x3, 0x0, {[{{@ipv6={@private0, @mcast2, [], [], 'veth0_macvtap\x00', 'bridge0\x00'}, 0x0, 0x1b0, 0x1d8, 0x0, {}, [@common=@unspec=@helper={{0x48}, {0x0, 'amanda\x00'}}, @common=@unspec=@conntrack2={{0xc0}, {{@ipv6=@private1, [0xff000000, 0xffffffff, 0xff, 0xffffffff], @ipv6=@private1={0xfc, 0x1, '\x00', 0x1}, [0xffffff00, 0xff, 0xffffffff, 0xffffffff], @ipv6=@empty, [0xff000000, 0xff, 0xff, 0xff], @ipv6=@local, [0xffffffff, 0xff000000, 0xff000000, 0xffffff00], 0x80, 0x54, 0x3b, 0x4e20, 0x4e23, 0x4e21, 0x4e23, 0x446, 0x39a}, 0x100, 0x20}}]}, @common=@unspec=@NFQUEUE0={0x28}}, {{@ipv6={@remote, @ipv4={'\x00', '\xff\xff', @dev}, [], [], 'erspan0\x00', 'gre0\x00', {0xff}, {}, 0x0, 0x0, 0x0, 0x4b}, 0x0, 0x258, 0x288, 0x0, {}, [@common=@inet=@hashlimit1={{0x58}, {'pim6reg\x00', {0x0, 0x0, 0x5, 0x0, 0x0, 0x7, 0x3ff}}}, @common=@inet=@hashlimit3={{0x158}, {'vcan0\x00', {0x3, 0x0, 0x41, 0xfffffffe, 0xe, 0x1000, 0x6, 0x3}}}]}, @common=@unspec=@CONNMARK={0x30}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x7}}}}, 0x590) 21.075160544s ago: executing program 0 (id=123): setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x13, 0x0, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffff9c, &(0x7f0000000080), 0xa200, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r0, 0x7005, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f00000012c0)=""/191, 0x4}], 0x3) 21.074903274s ago: executing program 0 (id=124): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f00000000c0)) 21.047413535s ago: executing program 3 (id=125): r0 = fsopen(&(0x7f0000000140)='pipefs\x00', 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x40042, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1810040, &(0x7f0000000500)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}}) 21.038595755s ago: executing program 3 (id=126): syz_read_part_table(0x5e9, &(0x7f0000000600)="$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") 20.980974807s ago: executing program 0 (id=130): sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000007880)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000040)="af0ac95ab194", 0x6}], 0x1}}], 0x1, 0x24088000) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x18, 0xf, &(0x7f0000000200)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB="0000000000000000b702000014000000b7020000000000008500000051000000bf0900000000000055"], 0x0, 0x9, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6}, 0x94) r0 = syz_open_dev$loop(&(0x7f0000000100), 0x2, 0x2001) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='blkio.bfq.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_misc(r1, &(0x7f0000000040), 0xe09) ioctl$LOOP_CONFIGURE(r0, 0x4c0a, &(0x7f00000002c0)={r1, 0x0, {0x2a00, 0x80010000, 0x0, 0x2, 0x0, 0x0, 0x0, 0x14, 0x1c, "fee8a2ab78fc979fd1e00d96072000001ea89de2b7fb0000e60080b8785d960001000000000000000000007efff100004000", "2809e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c527d3d458dd4992861ac00", "f4bd000000801900", [0x8, 0xffffffff9673e35d]}}) 20.887268169s ago: executing program 4 (id=134): r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, 0x0) r1 = eventfd(0x7ffffffd) ioctl$VHOST_SET_LOG_FD(r0, 0x4004af07, &(0x7f0000000300)=r1) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f0000000040)={0x1, r1}) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000140)={0x0, 0x0, 0x0, &(0x7f00000001c0)=""/53, 0x0}) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x1, 0x1, 0x0, &(0x7f00000000c0)=""/87, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000001900)) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000200)=0x1) 20.886962799s ago: executing program 0 (id=135): pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RGETLOCK(r0, &(0x7f0000000040)=ANY=[], 0xffffff6a) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff7ffc}]}) close_range(r1, 0xffffffffffffffff, 0x0) 20.865303469s ago: executing program 4 (id=136): prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000180)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) keyctl$invalidate(0x15, r0) keyctl$read(0xb, r0, 0x0, 0x0) 20.807382381s ago: executing program 0 (id=137): r0 = socket(0x11, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'macvtap0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @remote}, 0x14) 20.807168021s ago: executing program 4 (id=138): bpf$MAP_CREATE(0x0, 0x0, 0x48) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x2}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f00000002c0)={0x0, 'syzkaller0\x00', {0x1}, 0xb5}) r2 = socket$netlink(0x10, 0x3, 0x0) readv(0xffffffffffffffff, &(0x7f0000000700)=[{&(0x7f0000000180)=""/57, 0x39}], 0x1) preadv(r0, &(0x7f0000000300)=[{&(0x7f00000003c0)=""/18, 0x12}], 0x3e8, 0xe, 0x6) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) 20.807028491s ago: executing program 0 (id=139): timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x7, &(0x7f00000000c0)={0x1, &(0x7f0000000000)=[{0x6, 0x5, 0x4, 0x7ffc0001}]}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)) 20.658829975s ago: executing program 4 (id=141): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x7, &(0x7f0000000240)={0x1, &(0x7f0000000000)=[{0x6, 0x5, 0x7, 0x7ffc0001}]}) sendmsg$sock(0xffffffffffffffff, 0x0, 0x0) 20.583484356s ago: executing program 4 (id=142): r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000a80)={{0x2, 0x4e23, @multicast1}, {0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x4a, {0x2, 0x0, @rand_addr=0x64010101}, 'bond0\x00'}) 20.583222866s ago: executing program 1 (id=143): memfd_create(0x0, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @random="5a01f3c2f136", @void, {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x2, @local, @remote, @local, @remote}}}}, 0x0) 20.582985027s ago: executing program 4 (id=144): prlimit64(0x0, 0xe, &(0x7f0000000000)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r3 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000480)={0x2, 0x4, 0x8, 0x1, 0x80, 0x0, 0x4000000}, 0x50) r4 = bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f0000000340)={0x1b, 0x0, 0x0, 0x40000, 0x0, r3, 0xfff}, 0x50) bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0x15, 0x1c, &(0x7f0000000100)=@ringbuf={{0x18, 0x8, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0xbda}, {{0x18, 0x1, 0x1, 0x0, r4}, {}, {0x7, 0x0, 0xb, 0x6}, {0x85, 0x0, 0x0, 0x5}}, {{0x5, 0x0, 0x3}}, [@snprintf={{0x7, 0x0, 0xb, 0x2}, {0x3, 0x3, 0x3, 0xa, 0x9}, {0x5, 0x0, 0xb, 0x9, 0x0, 0x0, 0x2}, {0x3, 0x3, 0x3, 0xa, 0xa}, {0x6, 0x1, 0xa, 0x9, 0x8}, {0x7, 0x0, 0x0, 0x8}, {0x7, 0x1, 0xb, 0x4, 0x8}, {}, {0x7, 0x0, 0xc}, {0x18, 0x6, 0x2, 0x0, r3}, {}, {0x46, 0x8, 0xfff0, 0x76}}], {{0x7, 0x1, 0xb, 0x8}, {0x6, 0x0, 0x5, 0x8}, {0x85, 0x0, 0x0, 0x7}}}, &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sk_reuseport=0x28, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) 20.577163127s ago: executing program 2 (id=145): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 20.573995977s ago: executing program 1 (id=146): mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x100) pivot_root(&(0x7f0000000200)='./file0/../file0\x00', &(0x7f00000001c0)='./file0\x00') 20.503460399s ago: executing program 2 (id=147): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2}) ioctl$TUNSETDEBUG(r0, 0x400454c9, 0xffffffffffffffff) ioctl$SIOCGIFHWADDR(r0, 0x8927, &(0x7f0000000400)={'veth0_to_bridge\x00'}) 20.503248039s ago: executing program 1 (id=148): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)={0x2c, r1, 0x7, 0x70bd2d, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 20.485301309s ago: executing program 1 (id=149): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x7, 0xe0942) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='blkio.bfq.sectors\x00', 0x275a, 0x0) ioctl$LOOP_CONFIGURE(r1, 0x4c0a, &(0x7f00000002c0)={r2, 0x0, {0x2a00, 0x80010000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1a, 0x1c, "fee8a2ab78fc979fd1e03096159a013c1ea89de2b7fb0000e60080b8785d96000100000000000000000000d4669f97004000", "2809e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c527d3d458dd4992861ac00", "f4bd000000801900", [0x53, 0xffffffff9673e35d]}}) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) 20.391213341s ago: executing program 1 (id=150): socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x15) madvise(&(0x7f0000000000/0x600000)=nil, 0x600707, 0x18) 20.343421903s ago: executing program 2 (id=151): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r1, &(0x7f0000000240)='100\x00', 0x3) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000300)={&(0x7f0000000380)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@struct]}}, 0x0, 0x26}, 0x20) 20.232898845s ago: executing program 1 (id=152): r0 = openat$kvm(0x0, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000010000)=[@text64={0x40, 0x0}], 0x1, 0x7, 0x0, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x2501, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f00000003c0)={[0x60000000004, 0x7, 0x1, 0x41, 0xc3d, 0x0, 0x2004cb, 0xffffffdfffffffff, 0xa1d, 0x7, 0x100005, 0x79, 0x3, 0x2], 0x3332d000, 0x202}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_SET_SREGS(r5, 0x4138ae84, &(0x7f0000000100)={{0x4000, 0xe000, 0x0, 0x77, 0x0, 0x3, 0xcb, 0x2, 0x0, 0x6, 0x6, 0xf4}, {0x2, 0x9000, 0x3, 0xeb, 0x2, 0x0, 0x0, 0xff, 0x7, 0x0, 0x3}, {0xeeee0000, 0x1000, 0xe, 0x0, 0x7, 0xc4, 0x5, 0x1, 0x55, 0x3, 0x4, 0xfc}, {0x1, 0x0, 0x9, 0x4, 0x81, 0x0, 0x9, 0x0, 0x3, 0x0, 0x9}, {0x0, 0xffff1000, 0x3, 0x1, 0x0, 0x4, 0x0, 0x6, 0x2, 0x34, 0xff}, {0xffff1000, 0x1, 0x0, 0x78, 0x8, 0x0, 0x2, 0x1c, 0xa3, 0xff, 0x5}, {0xeeee8000, 0xdddd1000, 0xa, 0x7, 0x0, 0x0, 0x7, 0x20, 0x0, 0x3}, {0x0, 0x6000, 0xa, 0x0, 0xa4, 0x7, 0x8, 0x40, 0x26, 0x0, 0x0, 0xfe}, {0x80a0000, 0x9}, {0x3000, 0xfffd}, 0xddf8ffdb, 0x0, 0x40000, 0x120, 0x0, 0xf801, 0xdddd1000, [0x80000001, 0x0, 0xfffffdffffffffff, 0xfffffffeffffffff]}) ioctl$KVM_SET_VCPU_EVENTS(r5, 0x4040aea0, &(0x7f0000000040)=@arm64={0x4, 0xb, 0xfe, '\x00', 0x8}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 19.980524822s ago: executing program 2 (id=153): r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000140)=ANY=[], 0x8) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000300)={0xa, 0x4e20, 0x0, @mcast1}, 0x1c) 0s ago: executing program 32 (id=139): timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x7, &(0x7f00000000c0)={0x1, &(0x7f0000000000)=[{0x6, 0x5, 0x4, 0x7ffc0001}]}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)) kernel console output (not intermixed with test programs): 80.613287][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 80.618731][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 80.624004][ C0] ? __kasan_check_write+0x14/0x20 [ 80.629096][ C0] ? _raw_spin_lock+0x94/0xf0 [ 80.633757][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 80.638940][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 80.644383][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 80.649655][ C0] do_writepages+0x3ab/0x600 [ 80.654231][ C0] ? __cfi_do_writepages+0x10/0x10 [ 80.659331][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 80.664366][ C0] ? __inode_add_lru+0xb5/0x340 [ 80.669203][ C0] ? __kasan_check_write+0x14/0x20 [ 80.674299][ C0] ? __kasan_check_write+0x14/0x20 [ 80.679393][ C0] ? _raw_spin_lock+0x94/0xf0 [ 80.684072][ C0] __writeback_single_inode+0xd9/0xb10 [ 80.689517][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 80.695399][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 80.700592][ C0] ? queue_io+0x4b0/0x4b0 [ 80.704906][ C0] ? down_read_trylock+0x27f/0x660 [ 80.710008][ C0] __writeback_inodes_wb+0x127/0x400 [ 80.715281][ C0] wb_writeback+0x3ff/0x990 [ 80.719771][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 80.725748][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 80.730679][ C0] ? __kasan_check_write+0x14/0x20 [ 80.735775][ C0] wb_workfn+0xa32/0xeb0 [ 80.740005][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 80.744751][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 80.751066][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 80.757734][ C0] ? __kasan_check_write+0x14/0x20 [ 80.762826][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 80.767839][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 80.773369][ C0] ? try_to_wake_up+0x622/0x1250 [ 80.778295][ C0] process_one_work+0x717/0xc30 [ 80.783146][ C0] worker_thread+0xa4d/0x11d0 [ 80.787810][ C0] kthread+0x281/0x320 [ 80.791869][ C0] ? __cfi_worker_thread+0x10/0x10 [ 80.796966][ C0] ? __cfi_kthread+0x10/0x10 [ 80.801541][ C0] ret_from_fork+0x1f/0x30 [ 80.805954][ C0] [ 80.808994][ T375] CPU: 1 PID: 375 Comm: kworker/1:5 Not tainted syzkaller #0 [ 80.809037][ C0] FAULT_INJECTION: forcing a failure. [ 80.809037][ C0] name failslab, interval 1, probability 10, space 0, times 28 [ 80.816366][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 80.816378][ T375] Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker [ 80.846326][ T375] Call Trace: [ 80.849595][ T375] [ 80.852522][ T375] __dump_stack+0x21/0x24 [ 80.856846][ T375] dump_stack_lvl+0x110/0x170 [ 80.861511][ T375] ? __cfi_dump_stack_lvl+0x8/0x8 [ 80.866545][ T375] ? debug_smp_processor_id+0x17/0x20 [ 80.871906][ T375] dump_stack+0x15/0x24 [ 80.876060][ T375] should_fail_ex+0x3bf/0x510 [ 80.880724][ T375] __should_failslab+0xac/0xf0 [ 80.885478][ T375] should_failslab+0x9/0x20 [ 80.889968][ T375] kmem_cache_alloc_node+0x42/0x330 [ 80.895158][ T375] ? __alloc_skb+0xe8/0x4a0 [ 80.899649][ T375] __alloc_skb+0xe8/0x4a0 [ 80.903965][ T375] wg_socket_send_buffer_to_peer+0x37/0x170 [ 80.909849][ T375] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 80.915903][ T375] wg_packet_send_handshake_response+0x1af/0x230 [ 80.922221][ T375] ? __cfi_wg_packet_send_handshake_response+0x10/0x10 [ 80.929066][ T375] wg_packet_handshake_receive_worker+0x517/0xa40 [ 80.935475][ T375] process_one_work+0x717/0xc30 [ 80.940319][ T375] worker_thread+0xa4d/0x11d0 [ 80.944992][ T375] kthread+0x281/0x320 [ 80.949061][ T375] ? __cfi_worker_thread+0x10/0x10 [ 80.954158][ T375] ? __cfi_kthread+0x10/0x10 [ 80.958736][ T375] ret_from_fork+0x1f/0x30 [ 80.963167][ T375] [ 80.966173][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 80.966418][ T141] FAULT_INJECTION: forcing a failure. [ 80.966418][ T141] name failslab, interval 1, probability 10, space 0, times 28 [ 80.973625][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 80.973638][ C0] Workqueue: writeback wb_workfn [ 80.986655][ T142] FAULT_INJECTION: forcing a failure. [ 80.986655][ T142] name failslab, interval 1, probability 10, space 0, times 27 [ 80.996413][ C0] (flush-8:0) [ 80.996426][ C0] Call Trace: [ 80.996432][ C0] [ 80.996438][ C0] __dump_stack+0x21/0x24 [ 81.027819][ C0] dump_stack_lvl+0x110/0x170 [ 81.032491][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 81.037521][ C0] ? kasan_set_track+0x60/0x70 [ 81.042283][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 81.047556][ C0] ? __kasan_slab_alloc+0x72/0x80 [ 81.052570][ C0] ? slab_post_alloc_hook+0x4f/0x2d0 [ 81.057855][ C0] ? kmem_cache_alloc+0x166/0x320 [ 81.062875][ C0] dump_stack+0x15/0x24 [ 81.067023][ C0] should_fail_ex+0x3bf/0x510 [ 81.071708][ C0] __should_failslab+0xac/0xf0 [ 81.076464][ C0] should_failslab+0x9/0x20 [ 81.080952][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 81.086317][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 81.091420][ C0] ? worker_thread+0xa4d/0x11d0 [ 81.096261][ C0] ? kthread+0x281/0x320 [ 81.100491][ C0] ? ret_from_fork+0x1f/0x30 [ 81.105078][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 81.110182][ C0] kmalloc_trace+0x29/0xb0 [ 81.114585][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 81.119513][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 81.124968][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 81.130264][ C0] ? kmem_cache_alloc+0x24e/0x320 [ 81.135310][ C0] dst_init+0xc4/0x3d0 [ 81.139371][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 81.144209][ C0] dst_alloc+0x191/0x1e0 [ 81.148442][ C0] icmp6_dst_alloc+0xf8/0x510 [ 81.153115][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 81.157779][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 81.162964][ C0] ? memcpy+0x56/0x70 [ 81.166956][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 81.172578][ C0] ndisc_send_rs+0x66a/0x870 [ 81.177156][ C0] addrconf_rs_timer+0x35a/0x600 [ 81.181154][ T279] FAULT_INJECTION: forcing a failure. [ 81.181154][ T279] name failslab, interval 1, probability 10, space 0, times 25 [ 81.182081][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 81.200245][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 81.205700][ C0] call_timer_fn+0x46/0x2a0 [ 81.210205][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 81.215655][ C0] __run_timers+0x646/0x9b0 [ 81.220153][ C0] ? calc_index+0x200/0x200 [ 81.224654][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 81.229859][ C0] run_timer_softirq+0x6a/0xf0 [ 81.234630][ C0] handle_softirqs+0x1d7/0x600 [ 81.239396][ C0] __irq_exit_rcu+0x52/0xf0 [ 81.243919][ C0] irq_exit_rcu+0x9/0x10 [ 81.248162][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 81.253796][ C0] [ 81.256717][ C0] [ 81.259638][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 81.265620][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 81.271075][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 81.290676][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 81.296741][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 81.304711][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 81.312674][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 81.320634][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 81.328599][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 81.336562][ C0] ? dump_stack_lvl+0x13b/0x170 [ 81.341415][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 81.346433][ C0] dump_stack+0x15/0x24 [ 81.350577][ C0] should_fail_ex+0x3bf/0x510 [ 81.355251][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 81.360531][ C0] __should_failslab+0xac/0xf0 [ 81.365287][ C0] should_failslab+0x9/0x20 [ 81.369777][ C0] kmem_cache_alloc+0x3b/0x320 [ 81.374543][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 81.379911][ C0] jbd2__journal_start+0x13d/0x6e0 [ 81.385042][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 81.390500][ C0] ext4_writepages+0xfcc/0x30a0 [ 81.395346][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 81.400885][ C0] ? __cfi___writepage+0x10/0x10 [ 81.405814][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 81.411263][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 81.416545][ C0] ? __kasan_check_write+0x14/0x20 [ 81.421675][ C0] ? _raw_spin_lock+0x94/0xf0 [ 81.426361][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 81.431557][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 81.437010][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 81.442294][ C0] do_writepages+0x3ab/0x600 [ 81.446890][ C0] ? __cfi_do_writepages+0x10/0x10 [ 81.451996][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 81.456929][ C0] ? __inode_add_lru+0xb5/0x340 [ 81.461778][ C0] ? __kasan_check_write+0x14/0x20 [ 81.466907][ C0] ? __kasan_check_write+0x14/0x20 [ 81.472008][ C0] ? _raw_spin_lock+0x94/0xf0 [ 81.476689][ C0] __writeback_single_inode+0xd9/0xb10 [ 81.482144][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 81.488034][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 81.493233][ C0] ? queue_io+0x4b0/0x4b0 [ 81.497556][ C0] ? down_read_trylock+0x27f/0x660 [ 81.502670][ C0] __writeback_inodes_wb+0x127/0x400 [ 81.507949][ C0] wb_writeback+0x3ff/0x990 [ 81.512523][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 81.518496][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 81.523440][ C0] ? __kasan_check_write+0x14/0x20 [ 81.528540][ C0] wb_workfn+0xa32/0xeb0 [ 81.532772][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 81.537529][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 81.543850][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 81.550524][ C0] ? __kasan_check_write+0x14/0x20 [ 81.555621][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 81.560637][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 81.566173][ C0] ? try_to_wake_up+0x622/0x1250 [ 81.571105][ C0] process_one_work+0x717/0xc30 [ 81.575952][ C0] worker_thread+0xa4d/0x11d0 [ 81.580626][ C0] kthread+0x281/0x320 [ 81.584684][ C0] ? __cfi_worker_thread+0x10/0x10 [ 81.589780][ C0] ? __cfi_kthread+0x10/0x10 [ 81.594364][ C0] ret_from_fork+0x1f/0x30 [ 81.598775][ C0] [ 81.601784][ T279] CPU: 1 PID: 279 Comm: syz-executor Not tainted syzkaller #0 [ 81.602077][ C0] FAULT_INJECTION: forcing a failure. [ 81.602077][ C0] name failslab, interval 1, probability 10, space 0, times 22 [ 81.609236][ T279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.609246][ T279] Call Trace: [ 81.635262][ T279] [ 81.638276][ T279] __dump_stack+0x21/0x24 [ 81.642603][ T279] dump_stack_lvl+0x110/0x170 [ 81.647271][ T279] ? __cfi_dump_stack_lvl+0x8/0x8 [ 81.652287][ T279] ? kasan_set_track+0x60/0x70 [ 81.657041][ T279] ? kasan_set_track+0x4b/0x70 [ 81.661792][ T279] ? kasan_save_alloc_info+0x1f/0x30 [ 81.667064][ T279] ? __kasan_kmalloc+0x95/0xb0 [ 81.671818][ T279] dump_stack+0x15/0x24 [ 81.675965][ T279] should_fail_ex+0x3bf/0x510 [ 81.680627][ T279] __should_failslab+0xac/0xf0 [ 81.685380][ T279] should_failslab+0x9/0x20 [ 81.689869][ T279] slab_pre_alloc_hook+0x30/0x1d0 [ 81.694885][ T279] kmem_cache_alloc_lru+0x49/0x280 [ 81.699984][ T279] ? __d_alloc+0x34/0x6d0 [ 81.704307][ T279] __d_alloc+0x34/0x6d0 [ 81.708454][ T279] d_alloc_pseudo+0x1d/0x70 [ 81.712956][ T279] alloc_file_pseudo+0xe0/0x200 [ 81.717796][ T279] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 81.723244][ T279] ? __cfi_current_time+0x10/0x10 [ 81.728258][ T279] ? memset+0x35/0x40 [ 81.732224][ T279] ? create_pipe_files+0x299/0x6c0 [ 81.737330][ T279] ? memcpy+0x56/0x70 [ 81.741297][ T279] create_pipe_files+0x2e3/0x6c0 [ 81.746227][ T279] __do_pipe_flags+0x4f/0x200 [ 81.750916][ T279] do_pipe2+0xa7/0x190 [ 81.754977][ T279] ? __this_cpu_preempt_check+0x13/0x20 [ 81.760514][ T279] ? pipe_fcntl+0x510/0x510 [ 81.765007][ T279] ? fpregs_restore_userregs+0x128/0x260 [ 81.770627][ T279] __x64_sys_pipe2+0x5a/0x70 [ 81.775214][ T279] x64_sys_call+0x258/0x9a0 [ 81.779705][ T279] do_syscall_64+0x4c/0xa0 [ 81.784112][ T279] ? clear_bhb_loop+0x30/0x80 [ 81.788778][ T279] ? clear_bhb_loop+0x30/0x80 [ 81.793438][ T279] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 81.799328][ T279] RIP: 0033:0x7fb28519cec9 [ 81.803729][ T279] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 81.823324][ T279] RSP: 002b:00007ffea73bf128 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 81.831728][ T279] RAX: ffffffffffffffda RBX: 000055558da1e8f0 RCX: 00007fb28519cec9 [ 81.839685][ T279] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007ffea73bf138 [ 81.847643][ T279] RBP: 00007ffea73bf700 R08: 00007fb2853f0e20 R09: 0000000000000000 [ 81.855600][ T279] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea73bf540 [ 81.863564][ T279] R13: 000055558da92108 R14: 000055558da1f730 R15: 00007ffea73bf280 [ 81.871525][ T279] [ 81.874531][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 81.881994][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.892049][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 81.898037][ C0] Call Trace: [ 81.901306][ C0] [ 81.904133][ C0] __dump_stack+0x21/0x24 [ 81.908455][ C0] dump_stack_lvl+0x110/0x170 [ 81.913122][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 81.918138][ C0] ? stack_trace_save+0xa6/0xf0 [ 81.922982][ C0] dump_stack+0x15/0x24 [ 81.927125][ C0] should_fail_ex+0x3bf/0x510 [ 81.931789][ C0] ? dst_alloc+0x16a/0x1e0 [ 81.936195][ C0] __should_failslab+0xac/0xf0 [ 81.940952][ C0] should_failslab+0x9/0x20 [ 81.945449][ C0] kmem_cache_alloc+0x3b/0x320 [ 81.950214][ C0] ? handle_softirqs+0x1d7/0x600 [ 81.955142][ C0] ? __irq_exit_rcu+0x52/0xf0 [ 81.959808][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 81.964650][ C0] dst_alloc+0x16a/0x1e0 [ 81.968899][ C0] icmp6_dst_alloc+0xf8/0x510 [ 81.973581][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 81.978421][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 81.983607][ C0] ? memset+0x35/0x40 [ 81.987581][ C0] ? __ndisc_fill_addr_option+0xd7/0x130 [ 81.993198][ C0] ndisc_send_rs+0x66a/0x870 [ 81.997776][ C0] addrconf_rs_timer+0x35a/0x600 [ 82.002704][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.008152][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 82.013166][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 82.018706][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.024162][ C0] call_timer_fn+0x46/0x2a0 [ 82.028665][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.034112][ C0] __run_timers+0x646/0x9b0 [ 82.038606][ C0] ? calc_index+0x200/0x200 [ 82.043097][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 82.048295][ C0] run_timer_softirq+0x6a/0xf0 [ 82.053048][ C0] handle_softirqs+0x1d7/0x600 [ 82.057797][ C0] __irq_exit_rcu+0x52/0xf0 [ 82.062281][ C0] irq_exit_rcu+0x9/0x10 [ 82.066511][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 82.072134][ C0] [ 82.075046][ C0] [ 82.077959][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 82.083928][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 82.089376][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 82.108963][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 82.115012][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 82.122967][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 82.130919][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 82.138875][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 82.146828][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 82.154785][ C0] ? dump_stack_lvl+0x13b/0x170 [ 82.159627][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 82.164637][ C0] dump_stack+0x15/0x24 [ 82.168778][ C0] should_fail_ex+0x3bf/0x510 [ 82.173440][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 82.178715][ C0] __should_failslab+0xac/0xf0 [ 82.183464][ C0] should_failslab+0x9/0x20 [ 82.187948][ C0] kmem_cache_alloc+0x3b/0x320 [ 82.192698][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 82.197969][ C0] jbd2__journal_start+0x13d/0x6e0 [ 82.203066][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 82.208508][ C0] ext4_writepages+0xfcc/0x30a0 [ 82.213348][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 82.218876][ C0] ? __cfi___writepage+0x10/0x10 [ 82.223795][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 82.229234][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 82.234506][ C0] ? __kasan_check_write+0x14/0x20 [ 82.239601][ C0] ? _raw_spin_lock+0x94/0xf0 [ 82.244265][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 82.249457][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 82.254899][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 82.260197][ C0] do_writepages+0x3ab/0x600 [ 82.264777][ C0] ? __cfi_do_writepages+0x10/0x10 [ 82.269872][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 82.274808][ C0] ? __inode_add_lru+0xb5/0x340 [ 82.279642][ C0] ? __kasan_check_write+0x14/0x20 [ 82.284738][ C0] ? __kasan_check_write+0x14/0x20 [ 82.290397][ C0] ? _raw_spin_lock+0x94/0xf0 [ 82.295078][ C0] __writeback_single_inode+0xd9/0xb10 [ 82.300625][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 82.306523][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 82.311738][ C0] ? queue_io+0x4b0/0x4b0 [ 82.316069][ C0] ? down_read_trylock+0x27f/0x660 [ 82.321178][ C0] __writeback_inodes_wb+0x127/0x400 [ 82.326455][ C0] wb_writeback+0x3ff/0x990 [ 82.330983][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 82.336953][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 82.341880][ C0] ? __kasan_check_write+0x14/0x20 [ 82.346996][ C0] wb_workfn+0xa32/0xeb0 [ 82.351225][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 82.355970][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 82.362301][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 82.368984][ C0] ? __kasan_check_write+0x14/0x20 [ 82.374077][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 82.379180][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 82.384729][ C0] ? try_to_wake_up+0x622/0x1250 [ 82.389661][ C0] process_one_work+0x717/0xc30 [ 82.394504][ C0] worker_thread+0xa4d/0x11d0 [ 82.399356][ C0] kthread+0x281/0x320 [ 82.403413][ C0] ? __cfi_worker_thread+0x10/0x10 [ 82.408516][ C0] ? __cfi_kthread+0x10/0x10 [ 82.413094][ C0] ret_from_fork+0x1f/0x30 [ 82.417498][ C0] [ 82.420530][ T142] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 82.420633][ C0] FAULT_INJECTION: forcing a failure. [ 82.420633][ C0] name failslab, interval 1, probability 10, space 0, times 21 [ 82.427466][ T142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.427477][ T142] Call Trace: [ 82.427482][ T142] [ 82.427489][ T142] __dump_stack+0x21/0x24 [ 82.460730][ T142] dump_stack_lvl+0x110/0x170 [ 82.465415][ T142] ? __cfi_dump_stack_lvl+0x8/0x8 [ 82.470432][ T142] ? avc_has_perm+0x163/0x250 [ 82.475104][ T142] dump_stack+0x15/0x24 [ 82.479256][ T142] should_fail_ex+0x3bf/0x510 [ 82.483921][ T142] __should_failslab+0xac/0xf0 [ 82.488683][ T142] should_failslab+0x9/0x20 [ 82.493174][ T142] slab_pre_alloc_hook+0x30/0x1d0 [ 82.498194][ T142] kmem_cache_alloc_lru+0x49/0x280 [ 82.503297][ T142] ? sock_alloc_inode+0x28/0xc0 [ 82.508156][ T142] sock_alloc_inode+0x28/0xc0 [ 82.512844][ T142] ? __cfi_sock_alloc_inode+0x10/0x10 [ 82.518224][ T142] new_inode_pseudo+0x70/0x1f0 [ 82.522978][ T142] __sock_create+0x12c/0x7c0 [ 82.527562][ T142] ? do_user_addr_fault+0x9a5/0x1030 [ 82.532846][ T142] __sys_socket+0xcd/0x1a0 [ 82.537283][ T142] __x64_sys_socket+0x7a/0x90 [ 82.541949][ T142] x64_sys_call+0x449/0x9a0 [ 82.546455][ T142] do_syscall_64+0x4c/0xa0 [ 82.550866][ T142] ? clear_bhb_loop+0x30/0x80 [ 82.555535][ T142] ? clear_bhb_loop+0x30/0x80 [ 82.560199][ T142] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 82.566094][ T142] RIP: 0033:0x7fbaf04b9707 [ 82.570498][ T142] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 82.590104][ T142] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 82.598510][ T142] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 82.606474][ T142] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 82.614526][ T142] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 82.622498][ T142] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 82.630470][ T142] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 82.638437][ T142] [ 82.641454][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 82.641727][ C1] FAULT_INJECTION: forcing a failure. [ 82.641727][ C1] name failslab, interval 1, probability 10, space 0, times 21 [ 82.648918][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.671693][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 82.677687][ C0] Call Trace: [ 82.680961][ C0] [ 82.683797][ C0] __dump_stack+0x21/0x24 [ 82.688131][ C0] dump_stack_lvl+0x110/0x170 [ 82.692803][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 82.697828][ C0] ? stack_trace_save+0xa6/0xf0 [ 82.702685][ C0] dump_stack+0x15/0x24 [ 82.706844][ C0] should_fail_ex+0x3bf/0x510 [ 82.711511][ C0] ? dst_alloc+0x16a/0x1e0 [ 82.715925][ C0] __should_failslab+0xac/0xf0 [ 82.720696][ C0] should_failslab+0x9/0x20 [ 82.725212][ C0] kmem_cache_alloc+0x3b/0x320 [ 82.729974][ C0] ? handle_softirqs+0x1d7/0x600 [ 82.734909][ C0] ? __irq_exit_rcu+0x52/0xf0 [ 82.739588][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 82.744436][ C0] dst_alloc+0x16a/0x1e0 [ 82.748685][ C0] icmp6_dst_alloc+0xf8/0x510 [ 82.753362][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 82.758029][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 82.763217][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 82.768790][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 82.774165][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 82.779268][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 82.784904][ C0] ? memcpy+0x56/0x70 [ 82.788881][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 82.794507][ C0] ndisc_send_rs+0x66a/0x870 [ 82.799091][ C0] addrconf_rs_timer+0x35a/0x600 [ 82.804024][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.809481][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 82.814504][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 82.820078][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.825532][ C0] call_timer_fn+0x46/0x2a0 [ 82.830039][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 82.835491][ C0] __run_timers+0x646/0x9b0 [ 82.839994][ C0] ? calc_index+0x200/0x200 [ 82.844526][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 82.849743][ C0] run_timer_softirq+0x6a/0xf0 [ 82.854501][ C0] handle_softirqs+0x1d7/0x600 [ 82.859258][ C0] __irq_exit_rcu+0x52/0xf0 [ 82.863755][ C0] irq_exit_rcu+0x9/0x10 [ 82.867987][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 82.873623][ C0] [ 82.876545][ C0] [ 82.879466][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 82.885450][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 82.890907][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 82.910681][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 82.916742][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 82.924709][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 82.932670][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 82.940633][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 82.948610][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 82.956588][ C0] ? dump_stack_lvl+0x13b/0x170 [ 82.961444][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 82.966468][ C0] dump_stack+0x15/0x24 [ 82.970621][ C0] should_fail_ex+0x3bf/0x510 [ 82.975290][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 82.980570][ C0] __should_failslab+0xac/0xf0 [ 82.985329][ C0] should_failslab+0x9/0x20 [ 82.989823][ C0] kmem_cache_alloc+0x3b/0x320 [ 82.994581][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 82.999862][ C0] jbd2__journal_start+0x13d/0x6e0 [ 83.004972][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 83.010427][ C0] ext4_writepages+0xfcc/0x30a0 [ 83.015280][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 83.020848][ C0] ? __cfi___writepage+0x10/0x10 [ 83.025785][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 83.031236][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 83.036527][ C0] ? __kasan_check_write+0x14/0x20 [ 83.041630][ C0] ? _raw_spin_lock+0x94/0xf0 [ 83.046313][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 83.051520][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 83.056978][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 83.062271][ C0] do_writepages+0x3ab/0x600 [ 83.066865][ C0] ? __cfi_do_writepages+0x10/0x10 [ 83.071972][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 83.076923][ C0] ? __inode_add_lru+0xb5/0x340 [ 83.081770][ C0] ? __kasan_check_write+0x14/0x20 [ 83.086872][ C0] ? __kasan_check_write+0x14/0x20 [ 83.091976][ C0] ? _raw_spin_lock+0x94/0xf0 [ 83.096671][ C0] __writeback_single_inode+0xd9/0xb10 [ 83.102125][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 83.108011][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 83.113215][ C0] ? queue_io+0x4b0/0x4b0 [ 83.117539][ C0] ? down_read_trylock+0x27f/0x660 [ 83.122654][ C0] __writeback_inodes_wb+0x127/0x400 [ 83.127936][ C0] wb_writeback+0x3ff/0x990 [ 83.132442][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 83.138422][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 83.143359][ C0] ? __kasan_check_write+0x14/0x20 [ 83.148472][ C0] wb_workfn+0xa32/0xeb0 [ 83.152725][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 83.159153][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 83.165499][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 83.172181][ C0] ? __kasan_check_write+0x14/0x20 [ 83.177289][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 83.182313][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 83.187859][ C0] ? try_to_wake_up+0x622/0x1250 [ 83.192817][ C0] process_one_work+0x717/0xc30 [ 83.197661][ C0] worker_thread+0xa4d/0x11d0 [ 83.202329][ C0] kthread+0x281/0x320 [ 83.206388][ C0] ? __cfi_worker_thread+0x10/0x10 [ 83.211503][ C0] ? __cfi_kthread+0x10/0x10 [ 83.216103][ C0] ret_from_fork+0x1f/0x30 [ 83.220529][ C0] [ 83.223549][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 83.223828][ C0] FAULT_INJECTION: forcing a failure. [ 83.223828][ C0] name failslab, interval 1, probability 10, space 0, times 20 [ 83.230491][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.253274][ C1] Call Trace: [ 83.256546][ C1] [ 83.259378][ C1] __dump_stack+0x21/0x24 [ 83.263707][ C1] dump_stack_lvl+0x110/0x170 [ 83.268383][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 83.273400][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 83.279200][ C1] ? ref_tracker_alloc+0x345/0x4a0 [ 83.284304][ C1] dump_stack+0x15/0x24 [ 83.288453][ C1] should_fail_ex+0x3bf/0x510 [ 83.293121][ C1] __should_failslab+0xac/0xf0 [ 83.297878][ C1] should_failslab+0x9/0x20 [ 83.302373][ C1] __kmem_cache_alloc_node+0x3d/0x2d0 [ 83.307739][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 83.313285][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 83.318824][ C1] kmalloc_trace+0x29/0xb0 [ 83.323230][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 83.328602][ C1] icmp6_dst_alloc+0x389/0x510 [ 83.333546][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 83.338213][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 83.343399][ C1] ? memcpy+0x56/0x70 [ 83.347372][ C1] ? __ndisc_fill_addr_option+0xde/0x130 [ 83.352993][ C1] ndisc_send_rs+0x66a/0x870 [ 83.357592][ C1] addrconf_rs_timer+0x35a/0x600 [ 83.362526][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.367976][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 83.373000][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 83.378548][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.383998][ C1] call_timer_fn+0x46/0x2a0 [ 83.388494][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.393954][ C1] __run_timers+0x646/0x9b0 [ 83.398461][ C1] ? calc_index+0x200/0x200 [ 83.403056][ C1] ? asm_common_interrupt+0x27/0x40 [ 83.408278][ C1] run_timer_softirq+0x6a/0xf0 [ 83.413043][ C1] handle_softirqs+0x1d7/0x600 [ 83.417817][ C1] __irq_exit_rcu+0x52/0xf0 [ 83.422485][ C1] irq_exit_rcu+0x9/0x10 [ 83.426743][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 83.432380][ C1] [ 83.435301][ C1] [ 83.438225][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 83.444211][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 83.449664][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 83.469270][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 83.475346][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 83.483318][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 83.491281][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 83.499802][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 83.507787][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 83.515764][ C1] ? dump_stack_lvl+0x13b/0x170 [ 83.520622][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 83.525643][ C1] ? avc_has_perm+0x163/0x250 [ 83.530313][ C1] dump_stack+0x15/0x24 [ 83.534470][ C1] should_fail_ex+0x3bf/0x510 [ 83.539143][ C1] __should_failslab+0xac/0xf0 [ 83.543906][ C1] should_failslab+0x9/0x20 [ 83.548410][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 83.553460][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 83.559216][ C1] ? sock_alloc_inode+0x28/0xc0 [ 83.564105][ C1] sock_alloc_inode+0x28/0xc0 [ 83.568833][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 83.574230][ C1] new_inode_pseudo+0x70/0x1f0 [ 83.578996][ C1] __sock_create+0x12c/0x7c0 [ 83.583583][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 83.588871][ C1] __sys_socket+0xcd/0x1a0 [ 83.593287][ C1] __x64_sys_socket+0x7a/0x90 [ 83.597962][ C1] x64_sys_call+0x449/0x9a0 [ 83.602463][ C1] do_syscall_64+0x4c/0xa0 [ 83.606875][ C1] ? clear_bhb_loop+0x30/0x80 [ 83.611544][ C1] ? clear_bhb_loop+0x30/0x80 [ 83.616218][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 83.622114][ C1] RIP: 0033:0x7fbaf04b9707 [ 83.626524][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 83.646123][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 83.654538][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 83.662511][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 83.670476][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 83.678440][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 83.686402][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 83.694377][ C1] [ 83.697401][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 83.697546][ C1] FAULT_INJECTION: forcing a failure. [ 83.697546][ C1] name failslab, interval 1, probability 10, space 0, times 19 [ 83.704890][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.704902][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 83.734028][ C0] Call Trace: [ 83.737301][ C0] [ 83.740136][ C0] __dump_stack+0x21/0x24 [ 83.744465][ C0] dump_stack_lvl+0x110/0x170 [ 83.749140][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 83.754160][ C0] ? stack_trace_save+0xa6/0xf0 [ 83.759016][ C0] dump_stack+0x15/0x24 [ 83.763172][ C0] should_fail_ex+0x3bf/0x510 [ 83.767838][ C0] ? dst_alloc+0x16a/0x1e0 [ 83.772249][ C0] __should_failslab+0xac/0xf0 [ 83.777105][ C0] should_failslab+0x9/0x20 [ 83.781600][ C0] kmem_cache_alloc+0x3b/0x320 [ 83.786359][ C0] ? handle_softirqs+0x1d7/0x600 [ 83.791289][ C0] ? __irq_exit_rcu+0x52/0xf0 [ 83.795958][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 83.800802][ C0] dst_alloc+0x16a/0x1e0 [ 83.805041][ C0] icmp6_dst_alloc+0xf8/0x510 [ 83.809717][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 83.814384][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 83.819573][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 83.825115][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 83.830486][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 83.835588][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 83.841221][ C0] ? memset+0x35/0x40 [ 83.845201][ C0] ? __ndisc_fill_addr_option+0xd7/0x130 [ 83.850824][ C0] ndisc_send_rs+0x66a/0x870 [ 83.855405][ C0] addrconf_rs_timer+0x35a/0x600 [ 83.860337][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.865788][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 83.870806][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 83.876348][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.881799][ C0] call_timer_fn+0x46/0x2a0 [ 83.886303][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 83.891753][ C0] __run_timers+0x646/0x9b0 [ 83.896258][ C0] ? calc_index+0x200/0x200 [ 83.900756][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 83.905957][ C0] run_timer_softirq+0x6a/0xf0 [ 83.910716][ C0] handle_softirqs+0x1d7/0x600 [ 83.915478][ C0] __irq_exit_rcu+0x52/0xf0 [ 83.919983][ C0] irq_exit_rcu+0x9/0x10 [ 83.924216][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 83.929860][ C0] [ 83.932777][ C0] [ 83.935696][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 83.941677][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 83.947141][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 83.966752][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 83.972815][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 83.980776][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 83.988731][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 83.996691][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 84.004741][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 84.012710][ C0] ? dump_stack_lvl+0x13b/0x170 [ 84.017561][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 84.022584][ C0] dump_stack+0x15/0x24 [ 84.026734][ C0] should_fail_ex+0x3bf/0x510 [ 84.031407][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 84.036698][ C0] __should_failslab+0xac/0xf0 [ 84.041457][ C0] should_failslab+0x9/0x20 [ 84.045950][ C0] kmem_cache_alloc+0x3b/0x320 [ 84.050712][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 84.055994][ C0] jbd2__journal_start+0x13d/0x6e0 [ 84.061103][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 84.066579][ C0] ext4_writepages+0xfcc/0x30a0 [ 84.071438][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 84.076982][ C0] ? __cfi___writepage+0x10/0x10 [ 84.081913][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 84.087365][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 84.092655][ C0] ? __kasan_check_write+0x14/0x20 [ 84.097756][ C0] ? _raw_spin_lock+0x94/0xf0 [ 84.102429][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 84.107623][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 84.113079][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 84.118360][ C0] do_writepages+0x3ab/0x600 [ 84.122949][ C0] ? __cfi_do_writepages+0x10/0x10 [ 84.128056][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 84.132998][ C0] ? __inode_add_lru+0xb5/0x340 [ 84.137839][ C0] ? __kasan_check_write+0x14/0x20 [ 84.142945][ C0] ? __kasan_check_write+0x14/0x20 [ 84.148049][ C0] ? _raw_spin_lock+0x94/0xf0 [ 84.152719][ C0] __writeback_single_inode+0xd9/0xb10 [ 84.158176][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 84.164061][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 84.169266][ C0] ? queue_io+0x4b0/0x4b0 [ 84.173588][ C0] ? down_read_trylock+0x27f/0x660 [ 84.178712][ C0] __writeback_inodes_wb+0x127/0x400 [ 84.183997][ C0] wb_writeback+0x3ff/0x990 [ 84.188513][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 84.194515][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 84.199482][ C0] ? __kasan_check_write+0x14/0x20 [ 84.204588][ C0] wb_workfn+0xa32/0xeb0 [ 84.208826][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 84.213581][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 84.220109][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 84.226796][ C0] ? __kasan_check_write+0x14/0x20 [ 84.231922][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 84.236954][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 84.242512][ C0] ? try_to_wake_up+0x622/0x1250 [ 84.247455][ C0] process_one_work+0x717/0xc30 [ 84.252337][ C0] worker_thread+0xa4d/0x11d0 [ 84.257012][ C0] kthread+0x281/0x320 [ 84.261074][ C0] ? __cfi_worker_thread+0x10/0x10 [ 84.266183][ C0] ? __cfi_kthread+0x10/0x10 [ 84.270766][ C0] ret_from_fork+0x1f/0x30 [ 84.275183][ C0] [ 84.278231][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 84.278369][ C0] FAULT_INJECTION: forcing a failure. [ 84.278369][ C0] name failslab, interval 1, probability 10, space 0, times 18 [ 84.285185][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.285196][ C1] Call Trace: [ 84.285203][ C1] [ 84.285209][ C1] __dump_stack+0x21/0x24 [ 84.318369][ C1] dump_stack_lvl+0x110/0x170 [ 84.323061][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 84.328079][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 84.333885][ C1] ? ref_tracker_alloc+0x345/0x4a0 [ 84.339004][ C1] dump_stack+0x15/0x24 [ 84.343159][ C1] should_fail_ex+0x3bf/0x510 [ 84.347829][ C1] __should_failslab+0xac/0xf0 [ 84.352584][ C1] should_failslab+0x9/0x20 [ 84.357078][ C1] __kmem_cache_alloc_node+0x3d/0x2d0 [ 84.362445][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 84.367987][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 84.373527][ C1] kmalloc_trace+0x29/0xb0 [ 84.377938][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 84.383303][ C1] icmp6_dst_alloc+0x389/0x510 [ 84.388067][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 84.392742][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 84.397938][ C1] ? memcpy+0x56/0x70 [ 84.401917][ C1] ? __ndisc_fill_addr_option+0xde/0x130 [ 84.407537][ C1] ndisc_send_rs+0x66a/0x870 [ 84.412120][ C1] addrconf_rs_timer+0x35a/0x600 [ 84.417048][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 84.422497][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 84.427565][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 84.433140][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 84.438602][ C1] call_timer_fn+0x46/0x2a0 [ 84.443106][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 84.448560][ C1] __run_timers+0x646/0x9b0 [ 84.453068][ C1] ? calc_index+0x200/0x200 [ 84.457585][ C1] ? asm_common_interrupt+0x27/0x40 [ 84.462787][ C1] run_timer_softirq+0x6a/0xf0 [ 84.467555][ C1] handle_softirqs+0x1d7/0x600 [ 84.472322][ C1] __irq_exit_rcu+0x52/0xf0 [ 84.476818][ C1] irq_exit_rcu+0x9/0x10 [ 84.481084][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 84.486725][ C1] [ 84.489645][ C1] [ 84.492567][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 84.498604][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 84.504068][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 84.523666][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 84.529733][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 84.537705][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 84.545670][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 84.553632][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 84.561591][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 84.569554][ C1] ? dump_stack_lvl+0x13b/0x170 [ 84.574408][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 84.579428][ C1] ? avc_has_perm+0x163/0x250 [ 84.584094][ C1] dump_stack+0x15/0x24 [ 84.588370][ C1] should_fail_ex+0x3bf/0x510 [ 84.593059][ C1] __should_failslab+0xac/0xf0 [ 84.597999][ C1] should_failslab+0x9/0x20 [ 84.602692][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 84.607734][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 84.612851][ C1] ? sock_alloc_inode+0x28/0xc0 [ 84.617712][ C1] sock_alloc_inode+0x28/0xc0 [ 84.622391][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 84.627779][ C1] new_inode_pseudo+0x70/0x1f0 [ 84.632544][ C1] __sock_create+0x12c/0x7c0 [ 84.637128][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 84.642412][ C1] __sys_socket+0xcd/0x1a0 [ 84.646816][ C1] __x64_sys_socket+0x7a/0x90 [ 84.651480][ C1] x64_sys_call+0x449/0x9a0 [ 84.655979][ C1] do_syscall_64+0x4c/0xa0 [ 84.660388][ C1] ? clear_bhb_loop+0x30/0x80 [ 84.665059][ C1] ? clear_bhb_loop+0x30/0x80 [ 84.669727][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 84.675619][ C1] RIP: 0033:0x7fbaf04b9707 [ 84.680022][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 84.699804][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 84.708235][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 84.716214][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 84.724219][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 84.732198][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 84.740169][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 84.748139][ C1] [ 84.751147][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 84.751444][ C1] FAULT_INJECTION: forcing a failure. [ 84.751444][ C1] name failslab, interval 1, probability 10, space 0, times 17 [ 84.758596][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.781377][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 84.787369][ C0] Call Trace: [ 84.790635][ C0] [ 84.793465][ C0] __dump_stack+0x21/0x24 [ 84.797789][ C0] dump_stack_lvl+0x110/0x170 [ 84.802464][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 84.807492][ C0] ? kasan_set_track+0x60/0x70 [ 84.812250][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 84.817525][ C0] ? __kasan_slab_alloc+0x72/0x80 [ 84.822541][ C0] ? slab_post_alloc_hook+0x4f/0x2d0 [ 84.827823][ C0] ? kmem_cache_alloc+0x166/0x320 [ 84.832848][ C0] dump_stack+0x15/0x24 [ 84.837000][ C0] should_fail_ex+0x3bf/0x510 [ 84.841668][ C0] __should_failslab+0xac/0xf0 [ 84.846429][ C0] should_failslab+0x9/0x20 [ 84.850923][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 84.856291][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 84.861397][ C0] ? worker_thread+0xa4d/0x11d0 [ 84.866243][ C0] ? kthread+0x281/0x320 [ 84.870478][ C0] ? ret_from_fork+0x1f/0x30 [ 84.875078][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 84.880187][ C0] kmalloc_trace+0x29/0xb0 [ 84.884600][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 84.889534][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 84.894991][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 84.900275][ C0] ? kmem_cache_alloc+0x24e/0x320 [ 84.905293][ C0] dst_init+0xc4/0x3d0 [ 84.909353][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 84.914194][ C0] dst_alloc+0x191/0x1e0 [ 84.918445][ C0] icmp6_dst_alloc+0xf8/0x510 [ 84.923124][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 84.927793][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 84.932981][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 84.938522][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 84.943885][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 84.948987][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 84.954632][ C0] ? memcpy+0x56/0x70 [ 84.958628][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 84.964259][ C0] ndisc_send_rs+0x66a/0x870 [ 84.968858][ C0] addrconf_rs_timer+0x35a/0x600 [ 84.973877][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 84.979359][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 84.984382][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 84.989928][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 84.995382][ C0] call_timer_fn+0x46/0x2a0 [ 84.999892][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 85.005351][ C0] __run_timers+0x646/0x9b0 [ 85.009859][ C0] ? calc_index+0x200/0x200 [ 85.014361][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 85.019561][ C0] run_timer_softirq+0x6a/0xf0 [ 85.024321][ C0] handle_softirqs+0x1d7/0x600 [ 85.029089][ C0] __irq_exit_rcu+0x52/0xf0 [ 85.033599][ C0] irq_exit_rcu+0x9/0x10 [ 85.037844][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 85.043477][ C0] [ 85.046397][ C0] [ 85.049317][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 85.055326][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 85.060782][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 85.080391][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 85.086463][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 85.094429][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 85.102395][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 85.110372][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 85.118340][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 85.126308][ C0] ? dump_stack_lvl+0x13b/0x170 [ 85.131163][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 85.136272][ C0] dump_stack+0x15/0x24 [ 85.140423][ C0] should_fail_ex+0x3bf/0x510 [ 85.145095][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 85.150460][ C0] __should_failslab+0xac/0xf0 [ 85.155227][ C0] should_failslab+0x9/0x20 [ 85.159720][ C0] kmem_cache_alloc+0x3b/0x320 [ 85.164480][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 85.169763][ C0] jbd2__journal_start+0x13d/0x6e0 [ 85.174870][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 85.180324][ C0] ext4_writepages+0xfcc/0x30a0 [ 85.185196][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 85.190736][ C0] ? __cfi___writepage+0x10/0x10 [ 85.195676][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 85.201213][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 85.206501][ C0] ? __kasan_check_write+0x14/0x20 [ 85.211604][ C0] ? _raw_spin_lock+0x94/0xf0 [ 85.216273][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 85.221469][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 85.226923][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 85.232218][ C0] do_writepages+0x3ab/0x600 [ 85.236808][ C0] ? __cfi_do_writepages+0x10/0x10 [ 85.241919][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 85.246851][ C0] ? __inode_add_lru+0xb5/0x340 [ 85.251697][ C0] ? __kasan_check_write+0x14/0x20 [ 85.256802][ C0] ? __kasan_check_write+0x14/0x20 [ 85.261906][ C0] ? _raw_spin_lock+0x94/0xf0 [ 85.266575][ C0] __writeback_single_inode+0xd9/0xb10 [ 85.272031][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 85.277915][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 85.283113][ C0] ? queue_io+0x4b0/0x4b0 [ 85.287439][ C0] ? down_read_trylock+0x27f/0x660 [ 85.292558][ C0] __writeback_inodes_wb+0x127/0x400 [ 85.297858][ C0] wb_writeback+0x3ff/0x990 [ 85.302372][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 85.308363][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 85.313327][ C0] ? __kasan_check_write+0x14/0x20 [ 85.318439][ C0] wb_workfn+0xa32/0xeb0 [ 85.322684][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 85.327443][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 85.333788][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 85.340461][ C0] ? __kasan_check_write+0x14/0x20 [ 85.345563][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 85.350580][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 85.356119][ C0] ? try_to_wake_up+0x622/0x1250 [ 85.361051][ C0] process_one_work+0x717/0xc30 [ 85.365892][ C0] worker_thread+0xa4d/0x11d0 [ 85.370560][ C0] kthread+0x281/0x320 [ 85.374628][ C0] ? __cfi_worker_thread+0x10/0x10 [ 85.379727][ C0] ? __cfi_kthread+0x10/0x10 [ 85.384306][ C0] ret_from_fork+0x1f/0x30 [ 85.388723][ C0] [ 85.391731][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 85.391837][ C0] FAULT_INJECTION: forcing a failure. [ 85.391837][ C0] name failslab, interval 1, probability 10, space 0, times 16 [ 85.398660][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.421419][ C1] Call Trace: [ 85.424686][ C1] [ 85.427548][ C1] __dump_stack+0x21/0x24 [ 85.431875][ C1] dump_stack_lvl+0x110/0x170 [ 85.436544][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 85.441582][ C1] ? stack_trace_save+0xa6/0xf0 [ 85.446433][ C1] dump_stack+0x15/0x24 [ 85.450592][ C1] should_fail_ex+0x3bf/0x510 [ 85.455272][ C1] ? dst_alloc+0x16a/0x1e0 [ 85.459692][ C1] __should_failslab+0xac/0xf0 [ 85.464459][ C1] should_failslab+0x9/0x20 [ 85.468959][ C1] kmem_cache_alloc+0x3b/0x320 [ 85.473722][ C1] ? handle_softirqs+0x1d7/0x600 [ 85.478655][ C1] ? __irq_exit_rcu+0x52/0xf0 [ 85.483327][ C1] ? __cfi_ip6_dst_gc+0x10/0x10 [ 85.488168][ C1] dst_alloc+0x16a/0x1e0 [ 85.492403][ C1] icmp6_dst_alloc+0xf8/0x510 [ 85.497078][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 85.501748][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 85.506936][ C1] ? memcpy+0x56/0x70 [ 85.510907][ C1] ? __ndisc_fill_addr_option+0xde/0x130 [ 85.516530][ C1] ndisc_send_rs+0x66a/0x870 [ 85.521110][ C1] addrconf_rs_timer+0x35a/0x600 [ 85.526038][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 85.531575][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 85.536593][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 85.542140][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 85.547590][ C1] call_timer_fn+0x46/0x2a0 [ 85.552088][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 85.557540][ C1] __run_timers+0x646/0x9b0 [ 85.562073][ C1] ? calc_index+0x200/0x200 [ 85.566577][ C1] ? asm_common_interrupt+0x27/0x40 [ 85.571777][ C1] run_timer_softirq+0x6a/0xf0 [ 85.576639][ C1] handle_softirqs+0x1d7/0x600 [ 85.581422][ C1] __irq_exit_rcu+0x52/0xf0 [ 85.585923][ C1] irq_exit_rcu+0x9/0x10 [ 85.590165][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 85.595805][ C1] [ 85.598728][ C1] [ 85.601654][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 85.607636][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 85.613098][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 85.632695][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 85.638758][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 85.646728][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 85.654703][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 85.662668][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 85.670632][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 85.678687][ C1] ? dump_stack_lvl+0x13b/0x170 [ 85.683543][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 85.688568][ C1] ? avc_has_perm+0x163/0x250 [ 85.693236][ C1] dump_stack+0x15/0x24 [ 85.697385][ C1] should_fail_ex+0x3bf/0x510 [ 85.702065][ C1] __should_failslab+0xac/0xf0 [ 85.707442][ C1] should_failslab+0x9/0x20 [ 85.711955][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 85.716993][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 85.722107][ C1] ? sock_alloc_inode+0x28/0xc0 [ 85.726962][ C1] sock_alloc_inode+0x28/0xc0 [ 85.731639][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 85.737008][ C1] new_inode_pseudo+0x70/0x1f0 [ 85.741906][ C1] __sock_create+0x12c/0x7c0 [ 85.746488][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 85.751773][ C1] __sys_socket+0xcd/0x1a0 [ 85.756179][ C1] __x64_sys_socket+0x7a/0x90 [ 85.760844][ C1] x64_sys_call+0x449/0x9a0 [ 85.765341][ C1] do_syscall_64+0x4c/0xa0 [ 85.769750][ C1] ? clear_bhb_loop+0x30/0x80 [ 85.774419][ C1] ? clear_bhb_loop+0x30/0x80 [ 85.779086][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 85.784976][ C1] RIP: 0033:0x7fbaf04b9707 [ 85.789378][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 85.808980][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 85.817387][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 85.825353][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 85.833311][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 85.841275][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 85.849235][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 85.857197][ C1] [ 85.860206][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 85.860544][ C1] FAULT_INJECTION: forcing a failure. [ 85.860544][ C1] name failslab, interval 1, probability 10, space 0, times 14 [ 85.867680][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.867693][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 85.896431][ C0] Call Trace: [ 85.899697][ C0] [ 85.902537][ C0] __dump_stack+0x21/0x24 [ 85.906867][ C0] dump_stack_lvl+0x110/0x170 [ 85.911537][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 85.916554][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 85.921655][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 85.927284][ C0] ? timer_update_keys+0x50/0xb0 [ 85.932216][ C0] dump_stack+0x15/0x24 [ 85.936363][ C0] should_fail_ex+0x3bf/0x510 [ 85.941027][ C0] __should_failslab+0xac/0xf0 [ 85.945800][ C0] should_failslab+0x9/0x20 [ 85.950298][ C0] kmem_cache_alloc_node+0x42/0x330 [ 85.955511][ C0] ? __alloc_skb+0xe8/0x4a0 [ 85.960005][ C0] __alloc_skb+0xe8/0x4a0 [ 85.964323][ C0] ndisc_send_rs+0x31d/0x870 [ 85.968901][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 85.973836][ C0] addrconf_rs_timer+0x35a/0x600 [ 85.978763][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 85.984213][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 85.989231][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 85.994768][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 86.000223][ C0] call_timer_fn+0x46/0x2a0 [ 86.004725][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 86.010179][ C0] __run_timers+0x646/0x9b0 [ 86.014686][ C0] ? calc_index+0x200/0x200 [ 86.019184][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 86.024382][ C0] run_timer_softirq+0x6a/0xf0 [ 86.029145][ C0] handle_softirqs+0x1d7/0x600 [ 86.033908][ C0] __irq_exit_rcu+0x52/0xf0 [ 86.038403][ C0] irq_exit_rcu+0x9/0x10 [ 86.042636][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 86.048281][ C0] [ 86.051198][ C0] [ 86.054120][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 86.060097][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 86.065554][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 86.085149][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 86.091218][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 86.099635][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 86.107619][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 86.115673][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 86.123641][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 86.131653][ C0] ? dump_stack_lvl+0x13b/0x170 [ 86.136524][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 86.141547][ C0] dump_stack+0x15/0x24 [ 86.145699][ C0] should_fail_ex+0x3bf/0x510 [ 86.150370][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 86.155741][ C0] __should_failslab+0xac/0xf0 [ 86.160502][ C0] should_failslab+0x9/0x20 [ 86.164997][ C0] kmem_cache_alloc+0x3b/0x320 [ 86.169756][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 86.175042][ C0] jbd2__journal_start+0x13d/0x6e0 [ 86.180151][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 86.185607][ C0] ext4_writepages+0xfcc/0x30a0 [ 86.190459][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 86.195999][ C0] ? __cfi___writepage+0x10/0x10 [ 86.200932][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 86.206380][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 86.211685][ C0] ? __kasan_check_write+0x14/0x20 [ 86.216835][ C0] ? _raw_spin_lock+0x94/0xf0 [ 86.221550][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 86.226804][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 86.232264][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 86.237557][ C0] do_writepages+0x3ab/0x600 [ 86.242159][ C0] ? __cfi_do_writepages+0x10/0x10 [ 86.247271][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 86.252237][ C0] ? __inode_add_lru+0xb5/0x340 [ 86.257105][ C0] ? __kasan_check_write+0x14/0x20 [ 86.262224][ C0] ? __kasan_check_write+0x14/0x20 [ 86.267326][ C0] ? _raw_spin_lock+0x94/0xf0 [ 86.272002][ C0] __writeback_single_inode+0xd9/0xb10 [ 86.277459][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 86.283362][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 86.288627][ C0] ? queue_io+0x4b0/0x4b0 [ 86.292960][ C0] ? down_read_trylock+0x27f/0x660 [ 86.298089][ C0] __writeback_inodes_wb+0x127/0x400 [ 86.303386][ C0] wb_writeback+0x3ff/0x990 [ 86.307890][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 86.313870][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 86.318810][ C0] ? __kasan_check_write+0x14/0x20 [ 86.323918][ C0] wb_workfn+0xa32/0xeb0 [ 86.328158][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 86.332915][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 86.339243][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 86.345937][ C0] ? __kasan_check_write+0x14/0x20 [ 86.351042][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 86.356078][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 86.361621][ C0] ? try_to_wake_up+0x622/0x1250 [ 86.366556][ C0] process_one_work+0x717/0xc30 [ 86.371407][ C0] worker_thread+0xa4d/0x11d0 [ 86.376093][ C0] kthread+0x281/0x320 [ 86.380159][ C0] ? __cfi_worker_thread+0x10/0x10 [ 86.385741][ C0] ? __cfi_kthread+0x10/0x10 [ 86.390881][ C0] ret_from_fork+0x1f/0x30 [ 86.395324][ C0] [ 86.398336][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 86.398484][ C0] FAULT_INJECTION: forcing a failure. [ 86.398484][ C0] name failslab, interval 1, probability 10, space 0, times 13 [ 86.405271][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.405283][ C1] Call Trace: [ 86.405289][ C1] [ 86.405295][ C1] __dump_stack+0x21/0x24 [ 86.438514][ C1] dump_stack_lvl+0x110/0x170 [ 86.443199][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 86.448217][ C1] ? kasan_set_track+0x60/0x70 [ 86.452976][ C1] ? kasan_save_alloc_info+0x1f/0x30 [ 86.458251][ C1] ? __kasan_slab_alloc+0x72/0x80 [ 86.463302][ C1] ? slab_post_alloc_hook+0x4f/0x2d0 [ 86.468586][ C1] ? kmem_cache_alloc+0x166/0x320 [ 86.473630][ C1] dump_stack+0x15/0x24 [ 86.477787][ C1] should_fail_ex+0x3bf/0x510 [ 86.482458][ C1] __should_failslab+0xac/0xf0 [ 86.487216][ C1] should_failslab+0x9/0x20 [ 86.491709][ C1] __kmem_cache_alloc_node+0x3d/0x2d0 [ 86.497082][ C1] ? ref_tracker_alloc+0x16b/0x4a0 [ 86.502194][ C1] ? ref_tracker_alloc+0x16b/0x4a0 [ 86.507307][ C1] kmalloc_trace+0x29/0xb0 [ 86.511714][ C1] ref_tracker_alloc+0x16b/0x4a0 [ 86.516669][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 86.522131][ C1] ? slab_post_alloc_hook+0x6d/0x2d0 [ 86.527415][ C1] ? __slab_alloc+0x6b/0xa0 [ 86.531915][ C1] dst_init+0xc4/0x3d0 [ 86.535979][ C1] ? __cfi_ip6_dst_gc+0x10/0x10 [ 86.540823][ C1] dst_alloc+0x191/0x1e0 [ 86.545070][ C1] icmp6_dst_alloc+0xf8/0x510 [ 86.549753][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 86.554422][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 86.559610][ C1] ? memcpy+0x56/0x70 [ 86.563607][ C1] ? __ndisc_fill_addr_option+0xde/0x130 [ 86.569237][ C1] ndisc_send_rs+0x66a/0x870 [ 86.573818][ C1] addrconf_rs_timer+0x35a/0x600 [ 86.578752][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 86.584207][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 86.589227][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 86.594770][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 86.600310][ C1] call_timer_fn+0x46/0x2a0 [ 86.604808][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 86.610260][ C1] __run_timers+0x646/0x9b0 [ 86.614765][ C1] ? calc_index+0x200/0x200 [ 86.619264][ C1] ? asm_common_interrupt+0x27/0x40 [ 86.624462][ C1] run_timer_softirq+0x6a/0xf0 [ 86.629222][ C1] handle_softirqs+0x1d7/0x600 [ 86.633981][ C1] __irq_exit_rcu+0x52/0xf0 [ 86.638474][ C1] irq_exit_rcu+0x9/0x10 [ 86.642709][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 86.648340][ C1] [ 86.651298][ C1] [ 86.654224][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 86.660200][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 86.665654][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 86.685333][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 86.691396][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 86.699363][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 86.707369][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 86.715386][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 86.723385][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 86.731359][ C1] ? dump_stack_lvl+0x13b/0x170 [ 86.736230][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 86.741265][ C1] ? avc_has_perm+0x163/0x250 [ 86.745941][ C1] dump_stack+0x15/0x24 [ 86.750099][ C1] should_fail_ex+0x3bf/0x510 [ 86.754777][ C1] __should_failslab+0xac/0xf0 [ 86.759536][ C1] should_failslab+0x9/0x20 [ 86.764029][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 86.769064][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 86.774175][ C1] ? sock_alloc_inode+0x28/0xc0 [ 86.779030][ C1] sock_alloc_inode+0x28/0xc0 [ 86.783710][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 86.789080][ C1] new_inode_pseudo+0x70/0x1f0 [ 86.793840][ C1] __sock_create+0x12c/0x7c0 [ 86.798423][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 86.803707][ C1] __sys_socket+0xcd/0x1a0 [ 86.808114][ C1] __x64_sys_socket+0x7a/0x90 [ 86.812787][ C1] x64_sys_call+0x449/0x9a0 [ 86.817373][ C1] do_syscall_64+0x4c/0xa0 [ 86.821786][ C1] ? clear_bhb_loop+0x30/0x80 [ 86.826451][ C1] ? clear_bhb_loop+0x30/0x80 [ 86.831120][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 86.837018][ C1] RIP: 0033:0x7fbaf04b9707 [ 86.841423][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 86.861047][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 86.869454][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 86.877416][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 86.885469][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 86.893441][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 86.901403][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 86.909370][ C1] [ 86.912381][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 86.912550][ C1] FAULT_INJECTION: forcing a failure. [ 86.912550][ C1] name failslab, interval 1, probability 10, space 0, times 12 [ 86.919835][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.942627][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 86.948620][ C0] Call Trace: [ 86.951893][ C0] [ 86.954732][ C0] __dump_stack+0x21/0x24 [ 86.959055][ C0] dump_stack_lvl+0x110/0x170 [ 86.963731][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 86.968751][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 86.973859][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 86.979492][ C0] ? timer_update_keys+0x50/0xb0 [ 86.984429][ C0] dump_stack+0x15/0x24 [ 86.988579][ C0] should_fail_ex+0x3bf/0x510 [ 86.993248][ C0] __should_failslab+0xac/0xf0 [ 86.998008][ C0] should_failslab+0x9/0x20 [ 87.002508][ C0] kmem_cache_alloc_node+0x42/0x330 [ 87.008054][ C0] ? __alloc_skb+0xe8/0x4a0 [ 87.012552][ C0] __alloc_skb+0xe8/0x4a0 [ 87.016874][ C0] ndisc_send_rs+0x31d/0x870 [ 87.021454][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 87.026392][ C0] addrconf_rs_timer+0x35a/0x600 [ 87.031322][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.036773][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 87.041794][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 87.047341][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.052790][ C0] call_timer_fn+0x46/0x2a0 [ 87.057294][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.062746][ C0] __run_timers+0x646/0x9b0 [ 87.067249][ C0] ? calc_index+0x200/0x200 [ 87.071758][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 87.076955][ C0] run_timer_softirq+0x6a/0xf0 [ 87.081716][ C0] handle_softirqs+0x1d7/0x600 [ 87.086478][ C0] __irq_exit_rcu+0x52/0xf0 [ 87.090969][ C0] irq_exit_rcu+0x9/0x10 [ 87.095199][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 87.100832][ C0] [ 87.103749][ C0] [ 87.106669][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 87.112649][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 87.118193][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 87.137790][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 87.143852][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 87.151811][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 87.159775][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 87.167741][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 87.175705][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 87.183668][ C0] ? dump_stack_lvl+0x13b/0x170 [ 87.189315][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 87.194370][ C0] dump_stack+0x15/0x24 [ 87.198533][ C0] should_fail_ex+0x3bf/0x510 [ 87.203204][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 87.208487][ C0] __should_failslab+0xac/0xf0 [ 87.213253][ C0] should_failslab+0x9/0x20 [ 87.217750][ C0] kmem_cache_alloc+0x3b/0x320 [ 87.222512][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 87.227797][ C0] jbd2__journal_start+0x13d/0x6e0 [ 87.232907][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 87.238357][ C0] ext4_writepages+0xfcc/0x30a0 [ 87.243389][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 87.248947][ C0] ? __cfi___writepage+0x10/0x10 [ 87.253885][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 87.259341][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 87.264635][ C0] ? __kasan_check_write+0x14/0x20 [ 87.269739][ C0] ? _raw_spin_lock+0x94/0xf0 [ 87.274414][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 87.279633][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 87.285091][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 87.290372][ C0] do_writepages+0x3ab/0x600 [ 87.294964][ C0] ? __cfi_do_writepages+0x10/0x10 [ 87.300076][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 87.305018][ C0] ? __inode_add_lru+0xb5/0x340 [ 87.309862][ C0] ? __kasan_check_write+0x14/0x20 [ 87.315081][ C0] ? __kasan_check_write+0x14/0x20 [ 87.320359][ C0] ? _raw_spin_lock+0x94/0xf0 [ 87.325033][ C0] __writeback_single_inode+0xd9/0xb10 [ 87.330489][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 87.336531][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 87.341834][ C0] ? queue_io+0x4b0/0x4b0 [ 87.346161][ C0] ? down_read_trylock+0x27f/0x660 [ 87.351282][ C0] __writeback_inodes_wb+0x127/0x400 [ 87.356571][ C0] wb_writeback+0x3ff/0x990 [ 87.361424][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 87.367679][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 87.372794][ C0] ? __kasan_check_write+0x14/0x20 [ 87.377904][ C0] wb_workfn+0xa32/0xeb0 [ 87.382230][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 87.386982][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 87.393305][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 87.399979][ C0] ? __kasan_check_write+0x14/0x20 [ 87.405083][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 87.410102][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 87.415644][ C0] ? try_to_wake_up+0x622/0x1250 [ 87.420610][ C0] process_one_work+0x717/0xc30 [ 87.425457][ C0] worker_thread+0xa4d/0x11d0 [ 87.430132][ C0] kthread+0x281/0x320 [ 87.434199][ C0] ? __cfi_worker_thread+0x10/0x10 [ 87.439316][ C0] ? __cfi_kthread+0x10/0x10 [ 87.443902][ C0] ret_from_fork+0x1f/0x30 [ 87.448326][ C0] [ 87.451338][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 87.451518][ C0] FAULT_INJECTION: forcing a failure. [ 87.451518][ C0] name failslab, interval 1, probability 10, space 0, times 11 [ 87.458271][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.481039][ C1] Call Trace: [ 87.484317][ C1] [ 87.487149][ C1] __dump_stack+0x21/0x24 [ 87.491478][ C1] dump_stack_lvl+0x110/0x170 [ 87.496152][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 87.501170][ C1] ? calc_wheel_index+0x230/0x8d0 [ 87.506193][ C1] ? timer_update_keys+0xb0/0xb0 [ 87.511126][ C1] dump_stack+0x15/0x24 [ 87.515282][ C1] should_fail_ex+0x3bf/0x510 [ 87.520022][ C1] __should_failslab+0xac/0xf0 [ 87.524789][ C1] should_failslab+0x9/0x20 [ 87.529376][ C1] kmem_cache_alloc_node+0x42/0x330 [ 87.534600][ C1] ? __alloc_skb+0xe8/0x4a0 [ 87.539104][ C1] __alloc_skb+0xe8/0x4a0 [ 87.543440][ C1] ndisc_send_rs+0x31d/0x870 [ 87.548029][ C1] ? ipv6_get_lladdr+0x1be/0x200 [ 87.552972][ C1] addrconf_rs_timer+0x35a/0x600 [ 87.557904][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.563366][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 87.568399][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 87.573942][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.579395][ C1] call_timer_fn+0x46/0x2a0 [ 87.583895][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 87.589348][ C1] __run_timers+0x646/0x9b0 [ 87.593848][ C1] ? calc_index+0x200/0x200 [ 87.598348][ C1] ? asm_common_interrupt+0x27/0x40 [ 87.603546][ C1] run_timer_softirq+0x6a/0xf0 [ 87.608305][ C1] handle_softirqs+0x1d7/0x600 [ 87.613063][ C1] __irq_exit_rcu+0x52/0xf0 [ 87.617565][ C1] irq_exit_rcu+0x9/0x10 [ 87.621805][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 87.627442][ C1] [ 87.630375][ C1] [ 87.633294][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 87.639273][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 87.644730][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 87.664328][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 87.670388][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 87.678450][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 87.686407][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 87.694372][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 87.702338][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 87.710303][ C1] ? dump_stack_lvl+0x13b/0x170 [ 87.715151][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 87.720171][ C1] ? avc_has_perm+0x163/0x250 [ 87.724841][ C1] dump_stack+0x15/0x24 [ 87.728994][ C1] should_fail_ex+0x3bf/0x510 [ 87.733660][ C1] __should_failslab+0xac/0xf0 [ 87.738422][ C1] should_failslab+0x9/0x20 [ 87.742915][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 87.747940][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 87.753055][ C1] ? sock_alloc_inode+0x28/0xc0 [ 87.757910][ C1] sock_alloc_inode+0x28/0xc0 [ 87.762585][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 87.767957][ C1] new_inode_pseudo+0x70/0x1f0 [ 87.772712][ C1] __sock_create+0x12c/0x7c0 [ 87.777291][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 87.782572][ C1] __sys_socket+0xcd/0x1a0 [ 87.786978][ C1] __x64_sys_socket+0x7a/0x90 [ 87.791656][ C1] x64_sys_call+0x449/0x9a0 [ 87.796156][ C1] do_syscall_64+0x4c/0xa0 [ 87.800567][ C1] ? clear_bhb_loop+0x30/0x80 [ 87.805233][ C1] ? clear_bhb_loop+0x30/0x80 [ 87.809900][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 87.815791][ C1] RIP: 0033:0x7fbaf04b9707 [ 87.820195][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 87.840312][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 87.848717][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 87.856685][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 87.864644][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 87.872608][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 87.880568][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 87.888530][ C1] [ 87.891540][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 87.891681][ C1] FAULT_INJECTION: forcing a failure. [ 87.891681][ C1] name failslab, interval 1, probability 10, space 0, times 10 [ 87.899007][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.921775][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 87.927761][ C0] Call Trace: [ 87.931027][ C0] [ 87.933861][ C0] __dump_stack+0x21/0x24 [ 87.938188][ C0] dump_stack_lvl+0x110/0x170 [ 87.942945][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 87.947965][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 87.953767][ C0] ? ref_tracker_alloc+0x345/0x4a0 [ 87.958962][ C0] dump_stack+0x15/0x24 [ 87.963112][ C0] should_fail_ex+0x3bf/0x510 [ 87.967867][ C0] __should_failslab+0xac/0xf0 [ 87.972628][ C0] should_failslab+0x9/0x20 [ 87.977124][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 87.982491][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 87.988030][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 87.993570][ C0] kmalloc_trace+0x29/0xb0 [ 87.997975][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 88.003342][ C0] icmp6_dst_alloc+0x389/0x510 [ 88.008127][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 88.012818][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 88.018004][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 88.023542][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 88.028916][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 88.034023][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 88.039663][ C0] ? memset+0x35/0x40 [ 88.043634][ C0] ? __ndisc_fill_addr_option+0xd7/0x130 [ 88.049257][ C0] ndisc_send_rs+0x66a/0x870 [ 88.053837][ C0] addrconf_rs_timer+0x35a/0x600 [ 88.058773][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.064290][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 88.069308][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 88.074846][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.080296][ C0] call_timer_fn+0x46/0x2a0 [ 88.084794][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.090246][ C0] __run_timers+0x646/0x9b0 [ 88.094748][ C0] ? calc_index+0x200/0x200 [ 88.099248][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 88.104457][ C0] run_timer_softirq+0x6a/0xf0 [ 88.109230][ C0] handle_softirqs+0x1d7/0x600 [ 88.114010][ C0] __irq_exit_rcu+0x52/0xf0 [ 88.118602][ C0] irq_exit_rcu+0x9/0x10 [ 88.122848][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 88.129042][ C0] [ 88.131961][ C0] [ 88.134885][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 88.140865][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 88.146326][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 88.165921][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 88.171981][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 88.179941][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 88.187902][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 88.195865][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 88.203843][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 88.211826][ C0] ? dump_stack_lvl+0x13b/0x170 [ 88.216687][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 88.221712][ C0] dump_stack+0x15/0x24 [ 88.225876][ C0] should_fail_ex+0x3bf/0x510 [ 88.230556][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 88.235843][ C0] __should_failslab+0xac/0xf0 [ 88.240642][ C0] should_failslab+0x9/0x20 [ 88.245140][ C0] kmem_cache_alloc+0x3b/0x320 [ 88.249899][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 88.255179][ C0] jbd2__journal_start+0x13d/0x6e0 [ 88.260287][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 88.265740][ C0] ext4_writepages+0xfcc/0x30a0 [ 88.270594][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 88.276140][ C0] ? __cfi___writepage+0x10/0x10 [ 88.281073][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 88.286532][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 88.291906][ C0] ? __kasan_check_write+0x14/0x20 [ 88.297012][ C0] ? _raw_spin_lock+0x94/0xf0 [ 88.301687][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 88.306884][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 88.312348][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 88.317630][ C0] do_writepages+0x3ab/0x600 [ 88.322217][ C0] ? __cfi_do_writepages+0x10/0x10 [ 88.327329][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 88.332265][ C0] ? __inode_add_lru+0xb5/0x340 [ 88.337110][ C0] ? __kasan_check_write+0x14/0x20 [ 88.342213][ C0] ? __kasan_check_write+0x14/0x20 [ 88.347315][ C0] ? _raw_spin_lock+0x94/0xf0 [ 88.351987][ C0] __writeback_single_inode+0xd9/0xb10 [ 88.357443][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 88.363338][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 88.368538][ C0] ? queue_io+0x4b0/0x4b0 [ 88.372863][ C0] ? down_read_trylock+0x27f/0x660 [ 88.377976][ C0] __writeback_inodes_wb+0x127/0x400 [ 88.383259][ C0] wb_writeback+0x3ff/0x990 [ 88.387762][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 88.393745][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 88.398698][ C0] ? __kasan_check_write+0x14/0x20 [ 88.403821][ C0] wb_workfn+0xa32/0xeb0 [ 88.408067][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 88.412827][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 88.419158][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 88.425831][ C0] ? __kasan_check_write+0x14/0x20 [ 88.430940][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 88.435970][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 88.441514][ C0] ? try_to_wake_up+0x622/0x1250 [ 88.446457][ C0] process_one_work+0x717/0xc30 [ 88.451302][ C0] worker_thread+0xa4d/0x11d0 [ 88.455992][ C0] kthread+0x281/0x320 [ 88.460062][ C0] ? __cfi_worker_thread+0x10/0x10 [ 88.465166][ C0] ? __cfi_kthread+0x10/0x10 [ 88.469749][ C0] ret_from_fork+0x1f/0x30 [ 88.474162][ C0] [ 88.477171][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 88.477496][ C0] FAULT_INJECTION: forcing a failure. [ 88.477496][ C0] name failslab, interval 1, probability 10, space 0, times 9 [ 88.484104][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.484116][ C1] Call Trace: [ 88.484122][ C1] [ 88.484129][ C1] __dump_stack+0x21/0x24 [ 88.517195][ C1] dump_stack_lvl+0x110/0x170 [ 88.521870][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 88.526892][ C1] ? calc_wheel_index+0x230/0x8d0 [ 88.531913][ C1] ? timer_update_keys+0xb0/0xb0 [ 88.536848][ C1] dump_stack+0x15/0x24 [ 88.540997][ C1] should_fail_ex+0x3bf/0x510 [ 88.545666][ C1] __should_failslab+0xac/0xf0 [ 88.550429][ C1] should_failslab+0x9/0x20 [ 88.554925][ C1] kmem_cache_alloc_node+0x42/0x330 [ 88.560120][ C1] ? __alloc_skb+0xe8/0x4a0 [ 88.564613][ C1] __alloc_skb+0xe8/0x4a0 [ 88.568939][ C1] ndisc_send_rs+0x31d/0x870 [ 88.573518][ C1] ? ipv6_get_lladdr+0x1be/0x200 [ 88.578454][ C1] addrconf_rs_timer+0x35a/0x600 [ 88.583414][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.588870][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 88.594158][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 88.599722][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.605196][ C1] call_timer_fn+0x46/0x2a0 [ 88.609706][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 88.615166][ C1] __run_timers+0x646/0x9b0 [ 88.619682][ C1] ? calc_index+0x200/0x200 [ 88.624181][ C1] ? asm_common_interrupt+0x27/0x40 [ 88.629385][ C1] run_timer_softirq+0x6a/0xf0 [ 88.634149][ C1] handle_softirqs+0x1d7/0x600 [ 88.638914][ C1] __irq_exit_rcu+0x52/0xf0 [ 88.643409][ C1] irq_exit_rcu+0x9/0x10 [ 88.647652][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 88.653289][ C1] [ 88.656212][ C1] [ 88.659133][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 88.665118][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 88.670572][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 88.690262][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 88.696323][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 88.704292][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 88.712258][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 88.720223][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 88.728272][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 88.736254][ C1] ? dump_stack_lvl+0x13b/0x170 [ 88.741105][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 88.746122][ C1] ? avc_has_perm+0x163/0x250 [ 88.750797][ C1] dump_stack+0x15/0x24 [ 88.754955][ C1] should_fail_ex+0x3bf/0x510 [ 88.759626][ C1] __should_failslab+0xac/0xf0 [ 88.764417][ C1] should_failslab+0x9/0x20 [ 88.768912][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 88.773945][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 88.779238][ C1] ? sock_alloc_inode+0x28/0xc0 [ 88.784143][ C1] sock_alloc_inode+0x28/0xc0 [ 88.788827][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 88.794204][ C1] new_inode_pseudo+0x70/0x1f0 [ 88.798975][ C1] __sock_create+0x12c/0x7c0 [ 88.803567][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 88.808879][ C1] __sys_socket+0xcd/0x1a0 [ 88.813297][ C1] __x64_sys_socket+0x7a/0x90 [ 88.817962][ C1] x64_sys_call+0x449/0x9a0 [ 88.822466][ C1] do_syscall_64+0x4c/0xa0 [ 88.826877][ C1] ? clear_bhb_loop+0x30/0x80 [ 88.831553][ C1] ? clear_bhb_loop+0x30/0x80 [ 88.836223][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.842116][ C1] RIP: 0033:0x7fbaf04b9707 [ 88.846523][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 88.866120][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 88.874526][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 88.882515][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 88.890487][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 88.898475][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 88.906448][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 88.914432][ C1] [ 88.917444][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 88.917690][ C1] FAULT_INJECTION: forcing a failure. [ 88.917690][ C1] name failslab, interval 1, probability 10, space 0, times 7 [ 88.924901][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.924914][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 88.953579][ C0] Call Trace: [ 88.956854][ C0] [ 88.959688][ C0] __dump_stack+0x21/0x24 [ 88.964028][ C0] dump_stack_lvl+0x110/0x170 [ 88.968700][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 88.973718][ C0] ? kasan_set_track+0x60/0x70 [ 88.978502][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 88.983775][ C0] ? __kasan_slab_alloc+0x72/0x80 [ 88.988807][ C0] ? slab_post_alloc_hook+0x4f/0x2d0 [ 88.994094][ C0] ? kmem_cache_alloc+0x166/0x320 [ 88.999116][ C0] dump_stack+0x15/0x24 [ 89.003267][ C0] should_fail_ex+0x3bf/0x510 [ 89.007935][ C0] __should_failslab+0xac/0xf0 [ 89.012727][ C0] should_failslab+0x9/0x20 [ 89.017397][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 89.022771][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 89.027885][ C0] ? worker_thread+0xa4d/0x11d0 [ 89.032725][ C0] ? kthread+0x281/0x320 [ 89.036961][ C0] ? ret_from_fork+0x1f/0x30 [ 89.041564][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 89.046668][ C0] kmalloc_trace+0x29/0xb0 [ 89.051079][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 89.056014][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 89.061471][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 89.066754][ C0] ? kmem_cache_alloc+0x24e/0x320 [ 89.071776][ C0] dst_init+0xc4/0x3d0 [ 89.075843][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 89.080723][ C0] dst_alloc+0x191/0x1e0 [ 89.084976][ C0] icmp6_dst_alloc+0xf8/0x510 [ 89.089668][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 89.094344][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 89.099538][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 89.105080][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 89.110446][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 89.115550][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 89.121182][ C0] ? memcpy+0x56/0x70 [ 89.125154][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 89.130779][ C0] ndisc_send_rs+0x66a/0x870 [ 89.135362][ C0] addrconf_rs_timer+0x35a/0x600 [ 89.140299][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 89.145748][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 89.150769][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 89.156308][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 89.161761][ C0] call_timer_fn+0x46/0x2a0 [ 89.166265][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 89.171726][ C0] __run_timers+0x646/0x9b0 [ 89.176228][ C0] ? calc_index+0x200/0x200 [ 89.180820][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 89.186020][ C0] run_timer_softirq+0x6a/0xf0 [ 89.190791][ C0] handle_softirqs+0x1d7/0x600 [ 89.195637][ C0] __irq_exit_rcu+0x52/0xf0 [ 89.200154][ C0] irq_exit_rcu+0x9/0x10 [ 89.204752][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 89.210393][ C0] [ 89.213320][ C0] [ 89.216247][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 89.222446][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 89.227901][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 89.247509][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 89.253573][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 89.261544][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 89.269509][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 89.277506][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 89.285480][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 89.293451][ C0] ? dump_stack_lvl+0x13b/0x170 [ 89.298317][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 89.303341][ C0] dump_stack+0x15/0x24 [ 89.307520][ C0] should_fail_ex+0x3bf/0x510 [ 89.312192][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 89.317473][ C0] __should_failslab+0xac/0xf0 [ 89.322232][ C0] should_failslab+0x9/0x20 [ 89.326724][ C0] kmem_cache_alloc+0x3b/0x320 [ 89.331487][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 89.336769][ C0] jbd2__journal_start+0x13d/0x6e0 [ 89.341874][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 89.347419][ C0] ext4_writepages+0xfcc/0x30a0 [ 89.352282][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 89.357821][ C0] ? __cfi___writepage+0x10/0x10 [ 89.362751][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 89.368204][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 89.373486][ C0] ? __kasan_check_write+0x14/0x20 [ 89.378678][ C0] ? _raw_spin_lock+0x94/0xf0 [ 89.383351][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 89.388543][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 89.393992][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 89.399286][ C0] do_writepages+0x3ab/0x600 [ 89.403884][ C0] ? __cfi_do_writepages+0x10/0x10 [ 89.408990][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 89.413947][ C0] ? __inode_add_lru+0xb5/0x340 [ 89.418801][ C0] ? __kasan_check_write+0x14/0x20 [ 89.423926][ C0] ? __kasan_check_write+0x14/0x20 [ 89.429058][ C0] ? _raw_spin_lock+0x94/0xf0 [ 89.433733][ C0] __writeback_single_inode+0xd9/0xb10 [ 89.439207][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 89.445114][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 89.450315][ C0] ? queue_io+0x4b0/0x4b0 [ 89.454643][ C0] ? down_read_trylock+0x27f/0x660 [ 89.459755][ C0] __writeback_inodes_wb+0x127/0x400 [ 89.465039][ C0] wb_writeback+0x3ff/0x990 [ 89.469536][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 89.475511][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 89.480450][ C0] ? __kasan_check_write+0x14/0x20 [ 89.485565][ C0] wb_workfn+0xa32/0xeb0 [ 89.489804][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 89.494558][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 89.500882][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 89.507555][ C0] ? __kasan_check_write+0x14/0x20 [ 89.512656][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 89.517677][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 89.523217][ C0] ? try_to_wake_up+0x622/0x1250 [ 89.528156][ C0] process_one_work+0x717/0xc30 [ 89.533001][ C0] worker_thread+0xa4d/0x11d0 [ 89.537679][ C0] kthread+0x281/0x320 [ 89.541743][ C0] ? __cfi_worker_thread+0x10/0x10 [ 89.546845][ C0] ? __cfi_kthread+0x10/0x10 [ 89.551430][ C0] ret_from_fork+0x1f/0x30 [ 89.555845][ C0] [ 89.558849][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 89.559020][ C0] FAULT_INJECTION: forcing a failure. [ 89.559020][ C0] name failslab, interval 1, probability 10, space 0, times 6 [ 89.565776][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.565787][ C1] Call Trace: [ 89.565793][ C1] [ 89.565800][ C1] __dump_stack+0x21/0x24 [ 89.599423][ C1] dump_stack_lvl+0x110/0x170 [ 89.604100][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 89.609120][ C1] dump_stack+0x15/0x24 [ 89.613269][ C1] should_fail_ex+0x3bf/0x510 [ 89.617934][ C1] __should_failslab+0xac/0xf0 [ 89.622695][ C1] should_failslab+0x9/0x20 [ 89.627187][ C1] kmem_cache_alloc_node+0x42/0x330 [ 89.632388][ C1] ? __alloc_skb+0xe8/0x4a0 [ 89.636883][ C1] ? __build_skb_around+0x24c/0x470 [ 89.642068][ C1] __alloc_skb+0xe8/0x4a0 [ 89.646386][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 89.651865][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 89.658465][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 89.664881][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 89.671986][ C1] call_timer_fn+0x46/0x2a0 [ 89.676498][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 89.683609][ C1] __run_timers+0x646/0x9b0 [ 89.688110][ C1] ? calc_index+0x200/0x200 [ 89.692605][ C1] ? asm_common_interrupt+0x27/0x40 [ 89.697800][ C1] run_timer_softirq+0x6a/0xf0 [ 89.702557][ C1] handle_softirqs+0x1d7/0x600 [ 89.707312][ C1] __irq_exit_rcu+0x52/0xf0 [ 89.711805][ C1] irq_exit_rcu+0x9/0x10 [ 89.716038][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 89.721675][ C1] [ 89.724592][ C1] [ 89.727514][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 89.733502][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 89.738961][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 89.758559][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 89.764620][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 89.772586][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 89.780555][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 89.788515][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 89.796482][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 89.804451][ C1] ? dump_stack_lvl+0x13b/0x170 [ 89.809328][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 89.814346][ C1] ? avc_has_perm+0x163/0x250 [ 89.819014][ C1] dump_stack+0x15/0x24 [ 89.823166][ C1] should_fail_ex+0x3bf/0x510 [ 89.827834][ C1] __should_failslab+0xac/0xf0 [ 89.832597][ C1] should_failslab+0x9/0x20 [ 89.837090][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 89.842112][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 89.847217][ C1] ? sock_alloc_inode+0x28/0xc0 [ 89.852067][ C1] sock_alloc_inode+0x28/0xc0 [ 89.856740][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 89.862110][ C1] new_inode_pseudo+0x70/0x1f0 [ 89.866870][ C1] __sock_create+0x12c/0x7c0 [ 89.871453][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 89.876732][ C1] __sys_socket+0xcd/0x1a0 [ 89.881138][ C1] __x64_sys_socket+0x7a/0x90 [ 89.885803][ C1] x64_sys_call+0x449/0x9a0 [ 89.890298][ C1] do_syscall_64+0x4c/0xa0 [ 89.894711][ C1] ? clear_bhb_loop+0x30/0x80 [ 89.899377][ C1] ? clear_bhb_loop+0x30/0x80 [ 89.904045][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 89.909937][ C1] RIP: 0033:0x7fbaf04b9707 [ 89.914345][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 89.934461][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 89.942877][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 89.950855][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 89.958821][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 89.966789][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 89.974751][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 89.982716][ C1] [ 89.985723][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 89.985748][ C1] FAULT_INJECTION: forcing a failure. [ 89.985748][ C1] name failslab, interval 1, probability 10, space 0, times 5 [ 89.993181][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.993195][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 90.021828][ C0] Call Trace: [ 90.025092][ C0] [ 90.027926][ C0] __dump_stack+0x21/0x24 [ 90.032250][ C0] dump_stack_lvl+0x110/0x170 [ 90.036922][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 90.041938][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 90.047738][ C0] ? ref_tracker_alloc+0x345/0x4a0 [ 90.052858][ C0] dump_stack+0x15/0x24 [ 90.057009][ C0] should_fail_ex+0x3bf/0x510 [ 90.061688][ C0] __should_failslab+0xac/0xf0 [ 90.066644][ C0] should_failslab+0x9/0x20 [ 90.071143][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 90.076511][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 90.082055][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 90.087593][ C0] kmalloc_trace+0x29/0xb0 [ 90.092001][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 90.097460][ C0] icmp6_dst_alloc+0x389/0x510 [ 90.102227][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 90.106896][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 90.112083][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 90.117622][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 90.122992][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 90.128102][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 90.133735][ C0] ? memcpy+0x56/0x70 [ 90.137715][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 90.143354][ C0] ndisc_send_rs+0x66a/0x870 [ 90.147938][ C0] addrconf_rs_timer+0x35a/0x600 [ 90.152873][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 90.158332][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 90.163780][ C0] call_timer_fn+0x46/0x2a0 [ 90.168279][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 90.173730][ C0] __run_timers+0x646/0x9b0 [ 90.178240][ C0] ? calc_index+0x200/0x200 [ 90.182743][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 90.188299][ C0] run_timer_softirq+0x6a/0xf0 [ 90.193080][ C0] handle_softirqs+0x1d7/0x600 [ 90.197857][ C0] __irq_exit_rcu+0x52/0xf0 [ 90.202372][ C0] irq_exit_rcu+0x9/0x10 [ 90.206606][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 90.212240][ C0] [ 90.215161][ C0] [ 90.218082][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 90.224060][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 90.229521][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 90.249123][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 90.255221][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 90.263277][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 90.271236][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 90.279197][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 90.287157][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 90.295123][ C0] ? dump_stack_lvl+0x13b/0x170 [ 90.299981][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 90.305000][ C0] dump_stack+0x15/0x24 [ 90.309146][ C0] should_fail_ex+0x3bf/0x510 [ 90.313814][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 90.319096][ C0] __should_failslab+0xac/0xf0 [ 90.323859][ C0] should_failslab+0x9/0x20 [ 90.328348][ C0] kmem_cache_alloc+0x3b/0x320 [ 90.333107][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 90.338390][ C0] jbd2__journal_start+0x13d/0x6e0 [ 90.343497][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 90.348973][ C0] ext4_writepages+0xfcc/0x30a0 [ 90.353825][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 90.359372][ C0] ? __cfi___writepage+0x10/0x10 [ 90.364303][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 90.369754][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 90.375036][ C0] ? __kasan_check_write+0x14/0x20 [ 90.380133][ C0] ? _raw_spin_lock+0x94/0xf0 [ 90.384800][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 90.389995][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 90.395467][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 90.400811][ C0] do_writepages+0x3ab/0x600 [ 90.405487][ C0] ? __cfi_do_writepages+0x10/0x10 [ 90.410590][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 90.415520][ C0] ? __inode_add_lru+0xb5/0x340 [ 90.420369][ C0] ? __kasan_check_write+0x14/0x20 [ 90.425571][ C0] ? __kasan_check_write+0x14/0x20 [ 90.430675][ C0] ? _raw_spin_lock+0x94/0xf0 [ 90.435344][ C0] __writeback_single_inode+0xd9/0xb10 [ 90.440804][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 90.446693][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 90.451969][ C0] ? queue_io+0x4b0/0x4b0 [ 90.456307][ C0] ? down_read_trylock+0x27f/0x660 [ 90.461420][ C0] __writeback_inodes_wb+0x127/0x400 [ 90.466705][ C0] wb_writeback+0x3ff/0x990 [ 90.471202][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 90.477289][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 90.482229][ C0] ? __kasan_check_write+0x14/0x20 [ 90.487342][ C0] wb_workfn+0xa32/0xeb0 [ 90.491580][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 90.496336][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 90.502659][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 90.509365][ C0] ? __kasan_check_write+0x14/0x20 [ 90.514485][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 90.519508][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 90.525055][ C0] ? try_to_wake_up+0x622/0x1250 [ 90.529993][ C0] process_one_work+0x717/0xc30 [ 90.534842][ C0] worker_thread+0xa4d/0x11d0 [ 90.539517][ C0] kthread+0x281/0x320 [ 90.543601][ C0] ? __cfi_worker_thread+0x10/0x10 [ 90.549343][ C0] ? __cfi_kthread+0x10/0x10 [ 90.553989][ C0] ret_from_fork+0x1f/0x30 [ 90.558416][ C0] [ 90.561429][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 90.561617][ C0] FAULT_INJECTION: forcing a failure. [ 90.561617][ C0] name failslab, interval 1, probability 10, space 0, times 4 [ 90.568368][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.591057][ C1] Call Trace: [ 90.594328][ C1] [ 90.597163][ C1] __dump_stack+0x21/0x24 [ 90.601490][ C1] dump_stack_lvl+0x110/0x170 [ 90.606174][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 90.611194][ C1] dump_stack+0x15/0x24 [ 90.615341][ C1] should_fail_ex+0x3bf/0x510 [ 90.620011][ C1] __should_failslab+0xac/0xf0 [ 90.624780][ C1] should_failslab+0x9/0x20 [ 90.629273][ C1] kmem_cache_alloc_node+0x42/0x330 [ 90.634487][ C1] ? __alloc_skb+0xe8/0x4a0 [ 90.638976][ C1] ? __build_skb_around+0x24c/0x470 [ 90.644163][ C1] __alloc_skb+0xe8/0x4a0 [ 90.648483][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 90.653938][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 90.660523][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 90.666933][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 90.674045][ C1] call_timer_fn+0x46/0x2a0 [ 90.678547][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 90.685652][ C1] __run_timers+0x646/0x9b0 [ 90.690154][ C1] ? calc_index+0x200/0x200 [ 90.694653][ C1] ? asm_common_interrupt+0x27/0x40 [ 90.699852][ C1] run_timer_softirq+0x6a/0xf0 [ 90.704609][ C1] handle_softirqs+0x1d7/0x600 [ 90.709370][ C1] __irq_exit_rcu+0x52/0xf0 [ 90.713912][ C1] irq_exit_rcu+0x9/0x10 [ 90.718147][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 90.723784][ C1] [ 90.726703][ C1] [ 90.729629][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 90.735616][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 90.741083][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 90.760689][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 90.766751][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 90.774713][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 90.782674][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 90.790641][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 90.798604][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 90.806568][ C1] ? dump_stack_lvl+0x13b/0x170 [ 90.811415][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 90.816429][ C1] ? avc_has_perm+0x163/0x250 [ 90.821093][ C1] dump_stack+0x15/0x24 [ 90.825262][ C1] should_fail_ex+0x3bf/0x510 [ 90.829932][ C1] __should_failslab+0xac/0xf0 [ 90.834690][ C1] should_failslab+0x9/0x20 [ 90.839178][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 90.844196][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 90.849398][ C1] ? sock_alloc_inode+0x28/0xc0 [ 90.854291][ C1] sock_alloc_inode+0x28/0xc0 [ 90.858969][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 90.864342][ C1] new_inode_pseudo+0x70/0x1f0 [ 90.869101][ C1] __sock_create+0x12c/0x7c0 [ 90.873676][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 90.878957][ C1] __sys_socket+0xcd/0x1a0 [ 90.883368][ C1] __x64_sys_socket+0x7a/0x90 [ 90.888035][ C1] x64_sys_call+0x449/0x9a0 [ 90.892616][ C1] do_syscall_64+0x4c/0xa0 [ 90.897039][ C1] ? clear_bhb_loop+0x30/0x80 [ 90.901715][ C1] ? clear_bhb_loop+0x30/0x80 [ 90.906641][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 90.912532][ C1] RIP: 0033:0x7fbaf04b9707 [ 90.917054][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 90.936656][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 90.945064][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 90.953026][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 90.960991][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 90.968953][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 90.976922][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 90.984973][ C1] [ 90.987989][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 90.988479][ C1] FAULT_INJECTION: forcing a failure. [ 90.988479][ C1] name failslab, interval 1, probability 10, space 0, times 3 [ 90.995448][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.995460][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 91.024107][ C0] Call Trace: [ 91.027375][ C0] [ 91.030211][ C0] __dump_stack+0x21/0x24 [ 91.034539][ C0] dump_stack_lvl+0x110/0x170 [ 91.039213][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 91.044230][ C0] ? kasan_set_track+0x60/0x70 [ 91.048988][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 91.054262][ C0] ? __kasan_slab_alloc+0x72/0x80 [ 91.059279][ C0] ? slab_post_alloc_hook+0x4f/0x2d0 [ 91.064647][ C0] ? kmem_cache_alloc+0x166/0x320 [ 91.069667][ C0] dump_stack+0x15/0x24 [ 91.073814][ C0] should_fail_ex+0x3bf/0x510 [ 91.078484][ C0] __should_failslab+0xac/0xf0 [ 91.083246][ C0] should_failslab+0x9/0x20 [ 91.087738][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 91.093121][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 91.098226][ C0] ? worker_thread+0xa4d/0x11d0 [ 91.103066][ C0] ? kthread+0x281/0x320 [ 91.107297][ C0] ? ret_from_fork+0x1f/0x30 [ 91.111879][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 91.117000][ C0] kmalloc_trace+0x29/0xb0 [ 91.121449][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 91.126382][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 91.131839][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 91.137122][ C0] ? kmem_cache_alloc+0x24e/0x320 [ 91.142144][ C0] dst_init+0xc4/0x3d0 [ 91.146205][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 91.151045][ C0] dst_alloc+0x191/0x1e0 [ 91.155281][ C0] icmp6_dst_alloc+0xf8/0x510 [ 91.159956][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 91.164627][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 91.169815][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 91.175353][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 91.180719][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 91.185828][ C0] ? rcu_read_unlock_special+0x384/0x450 [ 91.191460][ C0] ? memcpy+0x56/0x70 [ 91.195431][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 91.201051][ C0] ndisc_send_rs+0x66a/0x870 [ 91.205672][ C0] addrconf_rs_timer+0x35a/0x600 [ 91.210650][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.216099][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 91.221115][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 91.226655][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.232105][ C0] call_timer_fn+0x46/0x2a0 [ 91.236607][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.242056][ C0] __run_timers+0x646/0x9b0 [ 91.246597][ C0] ? calc_index+0x200/0x200 [ 91.251103][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 91.256302][ C0] run_timer_softirq+0x6a/0xf0 [ 91.261428][ C0] handle_softirqs+0x1d7/0x600 [ 91.266636][ C0] __irq_exit_rcu+0x52/0xf0 [ 91.271147][ C0] irq_exit_rcu+0x9/0x10 [ 91.275390][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 91.281028][ C0] [ 91.283966][ C0] [ 91.286902][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 91.292896][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 91.298356][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 91.317962][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 91.324050][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 91.332011][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 91.339972][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 91.347934][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 91.355908][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 91.363871][ C0] ? dump_stack_lvl+0x13b/0x170 [ 91.368726][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 91.373745][ C0] dump_stack+0x15/0x24 [ 91.377903][ C0] should_fail_ex+0x3bf/0x510 [ 91.382749][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 91.388033][ C0] __should_failslab+0xac/0xf0 [ 91.392791][ C0] should_failslab+0x9/0x20 [ 91.397375][ C0] kmem_cache_alloc+0x3b/0x320 [ 91.402336][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 91.407622][ C0] jbd2__journal_start+0x13d/0x6e0 [ 91.412939][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 91.419039][ C0] ext4_writepages+0xfcc/0x30a0 [ 91.423908][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 91.429485][ C0] ? __cfi___writepage+0x10/0x10 [ 91.434422][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 91.439876][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 91.445162][ C0] ? __kasan_check_write+0x14/0x20 [ 91.450265][ C0] ? _raw_spin_lock+0x94/0xf0 [ 91.454936][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 91.460129][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 91.465582][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 91.470864][ C0] do_writepages+0x3ab/0x600 [ 91.475450][ C0] ? __cfi_do_writepages+0x10/0x10 [ 91.480557][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 91.485491][ C0] ? __inode_add_lru+0xb5/0x340 [ 91.490331][ C0] ? __kasan_check_write+0x14/0x20 [ 91.495430][ C0] ? __kasan_check_write+0x14/0x20 [ 91.500532][ C0] ? _raw_spin_lock+0x94/0xf0 [ 91.505202][ C0] __writeback_single_inode+0xd9/0xb10 [ 91.510656][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 91.516542][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 91.521770][ C0] ? queue_io+0x4b0/0x4b0 [ 91.526100][ C0] ? down_read_trylock+0x27f/0x660 [ 91.531213][ C0] __writeback_inodes_wb+0x127/0x400 [ 91.536498][ C0] wb_writeback+0x3ff/0x990 [ 91.541019][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 91.546993][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 91.551933][ C0] ? __kasan_check_write+0x14/0x20 [ 91.557040][ C0] wb_workfn+0xa32/0xeb0 [ 91.561288][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 91.566066][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 91.572391][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 91.579063][ C0] ? __kasan_check_write+0x14/0x20 [ 91.584168][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 91.589190][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 91.594736][ C0] ? try_to_wake_up+0x622/0x1250 [ 91.599673][ C0] process_one_work+0x717/0xc30 [ 91.604519][ C0] worker_thread+0xa4d/0x11d0 [ 91.609190][ C0] kthread+0x281/0x320 [ 91.613249][ C0] ? __cfi_worker_thread+0x10/0x10 [ 91.618346][ C0] ? __cfi_kthread+0x10/0x10 [ 91.622927][ C0] ret_from_fork+0x1f/0x30 [ 91.627336][ C0] [ 91.630342][ C1] CPU: 1 PID: 142 Comm: dhcpcd Not tainted syzkaller #0 [ 91.630562][ C0] FAULT_INJECTION: forcing a failure. [ 91.630562][ C0] name failslab, interval 1, probability 10, space 0, times 1 [ 91.637276][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.637288][ C1] Call Trace: [ 91.637294][ C1] [ 91.666054][ C1] __dump_stack+0x21/0x24 [ 91.670380][ C1] dump_stack_lvl+0x110/0x170 [ 91.675050][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 91.680065][ C1] ? stack_trace_save+0xa6/0xf0 [ 91.684913][ C1] dump_stack+0x15/0x24 [ 91.689059][ C1] should_fail_ex+0x3bf/0x510 [ 91.693729][ C1] ? dst_alloc+0x16a/0x1e0 [ 91.698157][ C1] __should_failslab+0xac/0xf0 [ 91.702927][ C1] should_failslab+0x9/0x20 [ 91.707432][ C1] kmem_cache_alloc+0x3b/0x320 [ 91.712314][ C1] ? handle_softirqs+0x1d7/0x600 [ 91.717248][ C1] ? __irq_exit_rcu+0x52/0xf0 [ 91.721917][ C1] ? __cfi_ip6_dst_gc+0x10/0x10 [ 91.726767][ C1] dst_alloc+0x16a/0x1e0 [ 91.731196][ C1] icmp6_dst_alloc+0xf8/0x510 [ 91.735963][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 91.740633][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 91.745932][ C1] ? memset+0x35/0x40 [ 91.749906][ C1] ? __ndisc_fill_addr_option+0xd7/0x130 [ 91.755529][ C1] ndisc_send_rs+0x66a/0x870 [ 91.760142][ C1] addrconf_rs_timer+0x35a/0x600 [ 91.765081][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.770533][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 91.775554][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 91.781095][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.786552][ C1] call_timer_fn+0x46/0x2a0 [ 91.791061][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 91.796519][ C1] __run_timers+0x646/0x9b0 [ 91.801019][ C1] ? calc_index+0x200/0x200 [ 91.805538][ C1] ? asm_common_interrupt+0x27/0x40 [ 91.810742][ C1] run_timer_softirq+0x6a/0xf0 [ 91.815511][ C1] handle_softirqs+0x1d7/0x600 [ 91.820280][ C1] __irq_exit_rcu+0x52/0xf0 [ 91.824783][ C1] irq_exit_rcu+0x9/0x10 [ 91.829015][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 91.834645][ C1] [ 91.837564][ C1] [ 91.840478][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 91.846456][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 91.851910][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 91.871505][ C1] RSP: 0018:ffffc90000b77be0 EFLAGS: 00000293 [ 91.877565][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88811ddc9440 [ 91.885526][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 91.893490][ C1] RBP: ffffc90000b77c78 R08: 0000000000000003 R09: 0000000000000004 [ 91.901453][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 91.909413][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ef7c [ 91.917377][ C1] ? dump_stack_lvl+0x13b/0x170 [ 91.922235][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 91.927254][ C1] ? avc_has_perm+0x163/0x250 [ 91.931925][ C1] dump_stack+0x15/0x24 [ 91.936125][ C1] should_fail_ex+0x3bf/0x510 [ 91.940815][ C1] __should_failslab+0xac/0xf0 [ 91.945580][ C1] should_failslab+0x9/0x20 [ 91.950099][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 91.955120][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 91.960227][ C1] ? sock_alloc_inode+0x28/0xc0 [ 91.965078][ C1] sock_alloc_inode+0x28/0xc0 [ 91.969751][ C1] ? __cfi_sock_alloc_inode+0x10/0x10 [ 91.975122][ C1] new_inode_pseudo+0x70/0x1f0 [ 91.979891][ C1] __sock_create+0x12c/0x7c0 [ 91.984470][ C1] ? do_user_addr_fault+0x9a5/0x1030 [ 91.989752][ C1] __sys_socket+0xcd/0x1a0 [ 91.994163][ C1] __x64_sys_socket+0x7a/0x90 [ 91.998832][ C1] x64_sys_call+0x449/0x9a0 [ 92.003334][ C1] do_syscall_64+0x4c/0xa0 [ 92.007747][ C1] ? clear_bhb_loop+0x30/0x80 [ 92.012413][ C1] ? clear_bhb_loop+0x30/0x80 [ 92.017078][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 92.022968][ C1] RIP: 0033:0x7fbaf04b9707 [ 92.027375][ C1] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 92.046974][ C1] RSP: 002b:00007ffcc1209768 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 92.055381][ C1] RAX: ffffffffffffffda RBX: 000000000000004b RCX: 00007fbaf04b9707 [ 92.063345][ C1] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 92.071307][ C1] RBP: 00007fbaf0545560 R08: 0000000000000000 R09: 0000000000000000 [ 92.079265][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 92.087225][ C1] R13: 00007ffcc1209890 R14: 000000000000002a R15: 00007ffcc1209890 [ 92.095191][ C1] [ 92.098205][ C0] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 92.105673][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.115729][ C0] Workqueue: writeback wb_workfn (flush-8:0) [ 92.121722][ C0] Call Trace: [ 92.124987][ C0] [ 92.127825][ C0] __dump_stack+0x21/0x24 [ 92.132154][ C0] dump_stack_lvl+0x110/0x170 [ 92.136825][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 92.141846][ C0] ? calc_wheel_index+0x230/0x8d0 [ 92.146866][ C0] ? timer_update_keys+0xb0/0xb0 [ 92.151801][ C0] dump_stack+0x15/0x24 [ 92.155952][ C0] should_fail_ex+0x3bf/0x510 [ 92.160619][ C0] __should_failslab+0xac/0xf0 [ 92.165378][ C0] should_failslab+0x9/0x20 [ 92.169867][ C0] kmem_cache_alloc_node+0x42/0x330 [ 92.175068][ C0] ? __alloc_skb+0xe8/0x4a0 [ 92.179558][ C0] ? __rcu_read_unlock+0xa0/0xa0 [ 92.184491][ C0] __alloc_skb+0xe8/0x4a0 [ 92.188808][ C0] ndisc_send_rs+0x31d/0x870 [ 92.193400][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 92.198337][ C0] addrconf_rs_timer+0x35a/0x600 [ 92.203264][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 92.208715][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 92.213732][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 92.219270][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 92.224719][ C0] call_timer_fn+0x46/0x2a0 [ 92.229217][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 92.234681][ C0] __run_timers+0x646/0x9b0 [ 92.239206][ C0] ? calc_index+0x200/0x200 [ 92.243719][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 92.248984][ C0] run_timer_softirq+0x6a/0xf0 [ 92.253757][ C0] handle_softirqs+0x1d7/0x600 [ 92.258520][ C0] __irq_exit_rcu+0x52/0xf0 [ 92.263022][ C0] irq_exit_rcu+0x9/0x10 [ 92.267255][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 92.272892][ C0] [ 92.275818][ C0] [ 92.278738][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 92.284749][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 92.290199][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 92.309882][ C0] RSP: 0018:ffffc9000dc3ee40 EFLAGS: 00000293 [ 92.315943][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881102d6540 [ 92.323905][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 92.331881][ C0] RBP: ffffc9000dc3eed0 R08: 0000000000000003 R09: 0000000000000004 [ 92.339840][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 92.347801][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b87dc8 [ 92.355765][ C0] ? dump_stack_lvl+0x13b/0x170 [ 92.360627][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 92.365668][ C0] dump_stack+0x15/0x24 [ 92.369835][ C0] should_fail_ex+0x3bf/0x510 [ 92.374510][ C0] ? jbd2__journal_start+0x13d/0x6e0 [ 92.379796][ C0] __should_failslab+0xac/0xf0 [ 92.384580][ C0] should_failslab+0x9/0x20 [ 92.389077][ C0] kmem_cache_alloc+0x3b/0x320 [ 92.393840][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 92.399124][ C0] jbd2__journal_start+0x13d/0x6e0 [ 92.404234][ C0] __ext4_journal_start_sb+0x242/0x4a0 [ 92.409688][ C0] ext4_writepages+0xfcc/0x30a0 [ 92.414547][ C0] ? pagevec_lookup_range_tag+0x3c/0x80 [ 92.420096][ C0] ? __cfi___writepage+0x10/0x10 [ 92.425038][ C0] ? __cfi_write_cache_pages+0x10/0x10 [ 92.430507][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 92.435807][ C0] ? __kasan_check_write+0x14/0x20 [ 92.440920][ C0] ? _raw_spin_lock+0x94/0xf0 [ 92.445595][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 92.450813][ C0] ? __wb_update_bandwidth+0x853/0x890 [ 92.456277][ C0] ? __cfi_ext4_writepages+0x10/0x10 [ 92.461566][ C0] do_writepages+0x3ab/0x600 [ 92.466159][ C0] ? __cfi_do_writepages+0x10/0x10 [ 92.471263][ C0] ? __cfi_wake_up_bit+0x10/0x10 [ 92.476198][ C0] ? __inode_add_lru+0xb5/0x340 [ 92.481041][ C0] ? __kasan_check_write+0x14/0x20 [ 92.486147][ C0] ? __kasan_check_write+0x14/0x20 [ 92.491259][ C0] ? _raw_spin_lock+0x94/0xf0 [ 92.495936][ C0] __writeback_single_inode+0xd9/0xb10 [ 92.501391][ C0] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 92.507279][ C0] writeback_sb_inodes+0x9fd/0x1610 [ 92.512479][ C0] ? queue_io+0x4b0/0x4b0 [ 92.516812][ C0] ? down_read_trylock+0x27f/0x660 [ 92.521940][ C0] __writeback_inodes_wb+0x127/0x400 [ 92.527229][ C0] wb_writeback+0x3ff/0x990 [ 92.531744][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 92.537728][ C0] ? set_worker_desc+0x1ba/0x1f0 [ 92.542676][ C0] ? __kasan_check_write+0x14/0x20 [ 92.547780][ C0] wb_workfn+0xa32/0xeb0 SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 92.551425][ T28] audit: type=1400 audit(1785320733.206:228): avc: denied { write } for pid=279 comm="syz-executor" path="pipe:[14576]" dev="pipefs" ino=14576 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 92.552022][ C0] ? __cfi_wb_workfn+0x10/0x10 [ 92.579941][ C0] ? wg_packet_handshake_send_worker+0x23b/0x290 [ 92.586290][ C0] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 92.591123][ T142] socket: no more sockets [ 92.592977][ C0] ? __kasan_check_write+0x14/0x20 [ 92.602396][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 92.607424][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 92.612972][ C0] ? try_to_wake_up+0x622/0x1250 [ 92.617909][ C0] process_one_work+0x717/0xc30 [ 92.622760][ C0] worker_thread+0xa4d/0x11d0 [ 92.627444][ C0] kthread+0x281/0x320 [ 92.631516][ C0] ? __cfi_worker_thread+0x10/0x10 [ 92.636637][ C0] ? __cfi_kthread+0x10/0x10 [ 92.641234][ C0] ret_from_fork+0x1f/0x30 [ 92.645650][ C0] [ 92.648660][ T141] CPU: 1 PID: 141 Comm: dhcpcd Not tainted syzkaller #0 [ 92.655601][ T141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.665655][ T141] Call Trace: [ 92.668929][ T141] [ 92.671848][ T141] __dump_stack+0x21/0x24 [ 92.676172][ T141] dump_stack_lvl+0x110/0x170 [ 92.680841][ T141] ? __cfi_dump_stack_lvl+0x8/0x8 [ 92.685850][ T141] ? kasan_save_alloc_info+0x1f/0x30 [ 92.691131][ T141] dump_stack+0x15/0x24 [ 92.695275][ T141] should_fail_ex+0x3bf/0x510 [ 92.699937][ T141] __should_failslab+0xac/0xf0 [ 92.704691][ T141] should_failslab+0x9/0x20 [ 92.709179][ T141] kmem_cache_alloc_node+0x42/0x330 [ 92.714364][ T141] ? __alloc_skb+0xe8/0x4a0 [ 92.718854][ T141] ? __kasan_check_write+0x14/0x20 [ 92.723951][ T141] __alloc_skb+0xe8/0x4a0 [ 92.728298][ T141] alloc_skb_with_frags+0xa8/0x620 [ 92.733394][ T141] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 92.739191][ T141] ? avc_has_perm_noaudit+0x390/0x490 [ 92.744549][ T141] sock_alloc_send_pskb+0x87f/0x9a0 [ 92.749763][ T141] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 92.755474][ T141] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 92.761185][ T141] ? __kasan_check_write+0x14/0x20 [ 92.766294][ T141] ? _raw_spin_lock+0x94/0xf0 [ 92.770957][ T141] ? __cfi__raw_spin_lock+0x10/0x10 [ 92.776145][ T141] ? avc_has_perm+0x163/0x250 [ 92.780809][ T141] unix_dgram_sendmsg+0x5c1/0x1710 [ 92.785915][ T141] ? selinux_socket_sendmsg+0x22f/0x340 [ 92.791448][ T141] ? avc_has_perm+0x163/0x250 [ 92.796117][ T141] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 92.801746][ T141] unix_seqpacket_sendmsg+0x118/0x1e0 [ 92.807124][ T141] sock_write_iter+0x2ea/0x3f0 [ 92.811880][ T141] ? __cfi_sock_write_iter+0x10/0x10 [ 92.817157][ T141] ? fsnotify_perm+0x67/0x5b0 [ 92.821823][ T141] ? security_file_permission+0x8a/0xb0 [ 92.827359][ T141] do_iter_write+0x65a/0xb30 [ 92.831932][ T141] ? _copy_from_user+0x8f/0xc0 [ 92.836690][ T141] ? vfs_iter_write+0xa0/0xa0 [ 92.841357][ T141] ? import_iovec+0x7c/0xb0 [ 92.845845][ T141] vfs_writev+0x339/0x5f0 [ 92.850196][ T141] ? do_writev+0x2c0/0x2c0 [ 92.854605][ T141] ? __kasan_check_read+0x11/0x20 [ 92.859793][ T141] ? __fdget_pos+0x1f2/0x380 [ 92.864371][ T141] do_writev+0x14e/0x2c0 [ 92.868601][ T141] ? do_readv+0x450/0x450 [ 92.872921][ T141] ? __secure_computing+0xea/0x290 [ 92.878020][ T141] __x64_sys_writev+0x7d/0x90 [ 92.882680][ T141] x64_sys_call+0xad/0x9a0 [ 92.887082][ T141] do_syscall_64+0x4c/0xa0 [ 92.891497][ T141] ? clear_bhb_loop+0x30/0x80 [ 92.896162][ T141] ? clear_bhb_loop+0x30/0x80 [ 92.900821][ T141] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 92.906708][ T141] RIP: 0033:0x7fbaf043e407 [ 92.911111][ T141] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 92.930703][ T141] RSP: 002b:00007ffcc1209af0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 92.939279][ T141] RAX: ffffffffffffffda RBX: 00007fbaf03b4740 RCX: 00007fbaf043e407 [ 92.947245][ T141] RDX: 0000000000000005 RSI: 00007ffcc1209b50 RDI: 000000000000000a [ 92.955215][ T141] RBP: 00007ffcc120a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 92.963188][ T141] R10: 0000000000000000 R11: 0000000000000202 R12: 20c49ba5e353f7cf [ 92.971163][ T141] R13: 00007ffcc120a6c0 R14: ffffffffffffffff R15: 0000000000000001 [ 92.979133][ T141] [ 92.982141][ T103] CPU: 0 PID: 103 Comm: udevd Not tainted syzkaller #0 [ 92.988996][ T103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.999047][ T103] Call Trace: [ 93.002321][ T103] [ 93.005239][ T103] __dump_stack+0x21/0x24 [ 93.009559][ T103] dump_stack_lvl+0x110/0x170 [ 93.014225][ T103] ? __cfi_dump_stack_lvl+0x8/0x8 [ 93.019242][ T103] dump_stack+0x15/0x24 [ 93.023397][ T103] should_fail_ex+0x3bf/0x510 [ 93.028162][ T103] ? __alloc_file+0x28/0x2a0 [ 93.032740][ T103] __should_failslab+0xac/0xf0 [ 93.037493][ T103] should_failslab+0x9/0x20 [ 93.042010][ T103] kmem_cache_alloc+0x3b/0x320 [ 93.046763][ T103] __alloc_file+0x28/0x2a0 [ 93.051191][ T103] alloc_empty_file+0x97/0x180 [ 93.056032][ T103] path_openat+0xf4/0x2f30 [ 93.060437][ T103] ? kasan_set_track+0x60/0x70 [ 93.065186][ T103] ? kasan_set_track+0x4b/0x70 [ 93.069933][ T103] ? __kasan_slab_alloc+0x72/0x80 [ 93.074943][ T103] ? slab_post_alloc_hook+0x4f/0x2d0 [ 93.080219][ T103] ? kmem_cache_alloc+0x166/0x320 [ 93.085240][ T103] ? getname_flags+0xba/0x510 [ 93.089901][ T103] ? getname+0x19/0x20 [ 93.093949][ T103] ? do_sys_openat2+0xeb/0x820 [ 93.098699][ T103] ? __x64_sys_openat+0x136/0x160 [ 93.103709][ T103] ? x64_sys_call+0x783/0x9a0 [ 93.108370][ T103] ? do_syscall_64+0x4c/0xa0 [ 93.112946][ T103] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 93.119002][ T103] ? do_filp_open+0x420/0x420 [ 93.123666][ T103] do_filp_open+0x1ee/0x420 [ 93.128159][ T103] ? __cfi_do_filp_open+0x10/0x10 [ 93.133172][ T103] ? alloc_fd+0x4c1/0x570 [ 93.137527][ T103] do_sys_openat2+0x15e/0x820 [ 93.142198][ T103] ? do_sys_open+0xe0/0xe0 [ 93.146606][ T103] __x64_sys_openat+0x136/0x160 [ 93.151445][ T103] x64_sys_call+0x783/0x9a0 [ 93.155936][ T103] do_syscall_64+0x4c/0xa0 [ 93.160338][ T103] ? clear_bhb_loop+0x30/0x80 [ 93.165000][ T103] ? clear_bhb_loop+0x30/0x80 [ 93.169661][ T103] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 93.175544][ T103] RIP: 0033:0x7f86d84a7407 [ 93.179944][ T103] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 93.199535][ T103] RSP: 002b:00007ffeb83edde0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 93.207979][ T103] RAX: ffffffffffffffda RBX: 00007f86d8ba0880 RCX: 00007f86d84a7407 [ 93.215951][ T103] RDX: 0000000000080141 RSI: 000055d169ab702e RDI: ffffffffffffff9c [ 93.223906][ T103] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 93.231952][ T103] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 93.239914][ T103] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 93.247877][ T103] [ 93.250915][ T795] CPU: 1 PID: 795 Comm: syz.3.126 Not tainted syzkaller #0 [ 93.258119][ T795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.268177][ T795] Call Trace: [ 93.271463][ T795] [ 93.274390][ T795] __dump_stack+0x21/0x24 [ 93.278720][ T795] dump_stack_lvl+0x110/0x170 [ 93.283391][ T795] ? __cfi_dump_stack_lvl+0x8/0x8 [ 93.288416][ T795] ? selinux_kernfs_init_security+0x143/0x450 [ 93.294492][ T795] dump_stack+0x15/0x24 [ 93.298676][ T795] should_fail_ex+0x3bf/0x510 [ 93.303363][ T795] ? __kernfs_new_node+0xe1/0x670 [ 93.308405][ T795] __should_failslab+0xac/0xf0 [ 93.313170][ T795] should_failslab+0x9/0x20 [ 93.317664][ T795] kmem_cache_alloc+0x3b/0x320 [ 93.322424][ T795] __kernfs_new_node+0xe1/0x670 [ 93.327262][ T795] ? clear_nonspinnable+0x60/0x60 [ 93.332286][ T795] ? rwsem_write_trylock+0x136/0x300 [ 93.337565][ T795] ? kernfs_new_node+0x260/0x260 [ 93.342491][ T795] ? up_write+0x7b/0x290 [ 93.346757][ T795] kernfs_new_node+0x150/0x260 [ 93.351529][ T795] __kernfs_create_file+0x4e/0x270 [ 93.356640][ T795] sysfs_add_file_mode_ns+0x1ce/0x270 [ 93.362006][ T795] sysfs_create_file_ns+0x128/0x1b0 [ 93.367194][ T795] ? __kasan_check_write+0x14/0x20 [ 93.372298][ T795] ? __cfi_sysfs_create_file_ns+0x10/0x10 [ 93.378010][ T795] ? device_add_attrs+0x724/0x830 [ 93.383145][ T795] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 93.388954][ T795] ? device_pm_check_callbacks+0xc4b/0xc80 [ 93.394785][ T795] device_create_file+0x10e/0x1c0 [ 93.399819][ T795] device_add+0x883/0xec0 [ 93.404164][ T795] add_partition+0x4e5/0x820 [ 93.408773][ T795] bdev_disk_changed+0xab7/0x1210 [ 93.413817][ T795] ? __cfi_bdev_disk_changed+0x10/0x10 [ 93.419288][ T795] ? percpu_ref_resurrect+0xfa/0x170 [ 93.424591][ T795] loop_set_status+0x72c/0x950 [ 93.429372][ T795] lo_ioctl+0xba6/0x1fd0 [ 93.433620][ T795] ? _raw_spin_unlock+0x4c/0x70 [ 93.438471][ T795] ? find_inode_fast+0x3c2/0x3f0 [ 93.443413][ T795] ? __cfi_lo_ioctl+0x10/0x10 [ 93.448205][ T795] ? unwind_get_return_address+0x4d/0x90 [ 93.453847][ T795] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 93.460039][ T795] ? arch_stack_walk+0xfc/0x150 [ 93.464897][ T795] ? avc_has_extended_perms+0x869/0xed0 [ 93.470530][ T795] ? memcpy+0x56/0x70 [ 93.474512][ T795] ? avc_has_extended_perms+0x9d5/0xed0 [ 93.480054][ T795] ? __cfi_avc_has_extended_perms+0x10/0x10 [ 93.485939][ T795] ? kasan_save_free_info+0x2b/0x40 [ 93.491126][ T795] ? ____kasan_slab_free+0x132/0x180 [ 93.496406][ T795] ? __kasan_slab_free+0x11/0x20 [ 93.501331][ T795] ? slab_free_freelist_hook+0xc2/0x190 [ 93.506867][ T795] ? kmem_cache_free+0x12d/0x300 [ 93.511803][ T795] ? __asan_set_shadow_00+0xe/0x10 [ 93.516925][ T795] ? do_vfs_ioctl+0x1b68/0x1cd0 [ 93.521798][ T795] ? __ia32_compat_sys_ioctl+0x860/0x860 [ 93.527430][ T795] ? blkdev_common_ioctl+0x681/0x2010 [ 93.532830][ T795] ? ioctl_has_perm+0x1b8/0x4f0 [ 93.537686][ T795] ? blkdev_bszset+0x1f0/0x1f0 [ 93.542442][ T795] ? ioctl_has_perm+0x3a6/0x4f0 [ 93.547288][ T795] ? has_cap_mac_admin+0x370/0x370 [ 93.552405][ T795] ? locks_remove_posix+0x346/0x550 [ 93.557596][ T795] ? selinux_file_ioctl+0x3ad/0x4c0 [ 93.562793][ T795] ? __cfi_selinux_file_ioctl+0x10/0x10 [ 93.568333][ T795] ? do_sys_openat2+0x715/0x820 [ 93.573175][ T795] ? __cfi_lo_ioctl+0x10/0x10 [ 93.577843][ T795] blkdev_ioctl+0x367/0x720 [ 93.582341][ T795] ? __cfi_blkdev_ioctl+0x10/0x10 [ 93.587356][ T795] ? security_file_ioctl+0x95/0xc0 [ 93.592460][ T795] ? __cfi_blkdev_ioctl+0x10/0x10 [ 93.597477][ T795] __se_sys_ioctl+0x12f/0x1b0 [ 93.602143][ T795] __x64_sys_ioctl+0x7b/0x90 [ 93.606720][ T795] x64_sys_call+0x58b/0x9a0 [ 93.611221][ T795] do_syscall_64+0x4c/0xa0 [ 93.615633][ T795] ? clear_bhb_loop+0x30/0x80 [ 93.620300][ T795] ? clear_bhb_loop+0x30/0x80 [ 93.624964][ T795] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 93.630875][ T795] RIP: 0033:0x7f353199db2b [ 93.635277][ T795] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 93.655162][ T795] RSP: 002b:00007f353283cd50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.663656][ T795] RAX: ffffffffffffffda RBX: 00007f353283cde0 RCX: 00007f353199db2b [ 93.671619][ T795] RDX: 00007f353283cef0 RSI: 0000000000004c04 RDI: 0000000000000004 [ 93.679578][ T795] RBP: 00007f353283cef0 R08: 0000000000000000 R09: 0000000000000000 [ 93.687543][ T795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 93.695497][ T795] R13: 00007f3531c26038 R14: 00007f3531c25fa0 R15: 00007ffe1e78d998 [ 93.703459][ T795] [ 93.706465][ T823] CPU: 0 PID: 823 Comm: syz.0.139 Not tainted syzkaller #0 [ 93.713659][ T823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.723702][ T823] Call Trace: [ 93.726968][ T823] [ 93.729889][ T823] __dump_stack+0x21/0x24 [ 93.734219][ T823] dump_stack_lvl+0x110/0x170 [ 93.738891][ T823] ? __cfi_dump_stack_lvl+0x8/0x8 [ 93.743908][ T823] dump_stack+0x15/0x24 [ 93.748058][ T823] should_fail_ex+0x3bf/0x510 [ 93.752722][ T823] __should_failslab+0xac/0xf0 [ 93.757489][ T823] should_failslab+0x9/0x20 [ 93.761996][ T823] __kmem_cache_alloc_node+0x3d/0x2d0 [ 93.767370][ T823] ? ref_tracker_alloc+0x16b/0x4a0 [ 93.772483][ T823] ? ref_tracker_alloc+0x16b/0x4a0 [ 93.777585][ T823] kmalloc_trace+0x29/0xb0 [ 93.781997][ T823] ref_tracker_alloc+0x16b/0x4a0 [ 93.786928][ T823] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 93.792381][ T823] ? kasan_save_alloc_info+0x1f/0x30 [ 93.797670][ T823] ? __kasan_kmalloc+0x95/0xb0 [ 93.802428][ T823] ? nf_nat_masq_schedule+0x23c/0x500 [ 93.807818][ T823] nf_nat_masq_schedule+0x33c/0x500 [ 93.813004][ T823] ? __cfi_inet_cmp+0x10/0x10 [ 93.817669][ T823] ? masq_device_event+0xd0/0xd0 [ 93.822681][ T823] ? try_to_grab_pending+0x1a4/0x580 [ 93.827971][ T823] ? memcpy+0x56/0x70 [ 93.831946][ T823] masq_inet6_event+0xe6/0x130 [ 93.836699][ T823] atomic_notifier_call_chain+0xaa/0x120 [ 93.842327][ T823] inet6addr_notifier_call_chain+0x24/0x30 [ 93.848141][ T823] addrconf_ifdown+0xe0a/0x1950 [ 93.853050][ T823] ? addrconf_cleanup+0x130/0x130 [ 93.858063][ T823] ? __kasan_check_write+0x14/0x20 [ 93.863161][ T823] ? mutex_unlock+0x8f/0x230 [ 93.867748][ T823] ? __cfi_mutex_unlock+0x10/0x10 [ 93.872774][ T823] ? __cfi_device_cmp+0x10/0x10 [ 93.877614][ T823] ? masq_device_event+0xd0/0xd0 [ 93.882540][ T823] addrconf_notify+0x39f/0xe30 [ 93.887297][ T823] raw_notifier_call_chain+0xa1/0x110 [ 93.892661][ T823] dev_close_many+0x325/0x4d0 [ 93.897332][ T823] ? __cfi_dev_close_many+0x10/0x10 [ 93.902547][ T823] ? wake_up_process+0x10/0x20 [ 93.907300][ T823] ? __kasan_check_read+0x11/0x20 [ 93.912317][ T823] unregister_netdevice_many+0x43f/0x1910 [ 93.918037][ T823] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 93.924209][ T823] ? __queue_delayed_work+0x188/0x200 [ 93.929575][ T823] ? queue_delayed_work_on+0x10d/0x160 [ 93.935027][ T823] ? linkwatch_fire_event+0x1dc/0x240 [ 93.940397][ T823] ? __kasan_check_read+0x11/0x20 [ 93.945409][ T823] unregister_netdevice_queue+0x2e1/0x320 [ 93.951123][ T823] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 93.957364][ T823] ? linkwatch_fire_event+0x208/0x240 [ 93.962737][ T823] __tun_detach+0xc9d/0x1450 [ 93.967432][ T823] tun_chr_close+0x92/0x140 [ 93.971937][ T823] ? __cfi_tun_chr_close+0x10/0x10 [ 93.977041][ T823] __fput+0x1fd/0x8f0 [ 93.981020][ T823] ____fput+0x15/0x20 [ 93.984998][ T823] task_work_run+0x1e1/0x250 [ 93.989580][ T823] ? __cfi_task_work_run+0x10/0x10 [ 93.994683][ T823] ? free_nsproxy+0x21f/0x270 [ 93.999359][ T823] do_exit+0xaf2/0x2850 [ 94.003513][ T823] ? __cfi_do_exit+0x10/0x10 [ 94.008097][ T823] ? __kasan_check_write+0x14/0x20 [ 94.013200][ T823] ? _raw_spin_lock_irq+0x95/0xf0 [ 94.018217][ T823] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 94.023754][ T823] ? __kasan_check_write+0x14/0x20 [ 94.028853][ T823] ? _raw_spin_lock_irq+0x95/0xf0 [ 94.033872][ T823] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 94.039406][ T823] do_group_exit+0x21b/0x2e0 [ 94.043992][ T823] ? __kasan_check_write+0x14/0x20 [ 94.049095][ T823] ? recalc_sigpending+0x180/0x1c0 [ 94.054201][ T823] get_signal+0x167c/0x1700 [ 94.058700][ T823] ? __cfi_get_signal+0x10/0x10 [ 94.063544][ T823] ? fpu__clear_user_states+0x38/0x2b0 [ 94.068997][ T823] arch_do_signal_or_restart+0xd1/0x11c0 [ 94.074627][ T823] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 94.080777][ T823] exit_to_user_mode_loop+0x7a/0xb0 [ 94.085969][ T823] exit_to_user_mode_prepare+0x87/0xd0 [ 94.091419][ T823] syscall_exit_to_user_mode+0x1a/0x30 [ 94.096866][ T823] do_syscall_64+0x58/0xa0 [ 94.101274][ T823] ? clear_bhb_loop+0x30/0x80 [ 94.105938][ T823] ? clear_bhb_loop+0x30/0x80 [ 94.110602][ T823] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 94.116498][ T823] RIP: 0033:0x7fc7d7851780 [ 94.120904][ T823] Code: Unable to access opcode bytes at 0x7fc7d7851756. [ 94.127907][ T823] RSP: 002b:00007fc7d8832b38 EFLAGS: 00000246 [ 94.133970][ T823] RAX: 0000000000000000 RBX: 00007fc7d7c25fa8 RCX: 00007fc7d799de99 [ 94.141935][ T823] RDX: 00007fc7d8832b40 RSI: 00007fc7d8832c70 RDI: 0000000000000011 [ 94.149895][ T823] RBP: 00007fc7d7c25fa0 R08: 0000000000000000 R09: 0000000000000000 [ 94.157859][ T823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.165836][ T823] R13: 00007fc7d7c26038 R14: 00007ffccc9d7230 R15: 00007ffccc9d7318 [ 94.173827][ T823] [ 94.178522][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 94.178619][ T103] udevd[103]: could not touch /run/udev/queue: Cannot allocate memory [ 94.185894][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.185906][ T10] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker [ 94.185932][ T10] Call Trace: [ 94.185937][ T10] [ 94.185944][ T10] __dump_stack+0x21/0x24 [ 94.185965][ T10] dump_stack_lvl+0x110/0x170 [ 94.185984][ T10] ? __cfi_dump_stack_lvl+0x8/0x8 [ 94.186002][ T10] ? timer_update_keys+0xb0/0xb0 [ 94.186023][ T10] ? debug_smp_processor_id+0x17/0x20 [ 94.241511][ T10] dump_stack+0x15/0x24 [ 94.245752][ T10] should_fail_ex+0x3bf/0x510 [ 94.250413][ T10] __should_failslab+0xac/0xf0 [ 94.255345][ T10] should_failslab+0x9/0x20 [ 94.259840][ T10] kmem_cache_alloc_node+0x42/0x330 [ 94.265033][ T10] ? __alloc_skb+0xe8/0x4a0 [ 94.269522][ T10] __alloc_skb+0xe8/0x4a0 [ 94.273863][ T10] wg_socket_send_buffer_to_peer+0x37/0x170 [ 94.279749][ T10] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 94.285814][ T10] wg_packet_handshake_send_worker+0x200/0x290 [ 94.291986][ T10] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 94.298657][ T10] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 94.304459][ T10] ? try_to_wake_up+0x622/0x1250 [ 94.309385][ T10] process_one_work+0x717/0xc30 [ 94.314225][ T10] worker_thread+0xa4d/0x11d0 [ 94.318888][ T10] kthread+0x281/0x320 [ 94.322941][ T10] ? __cfi_worker_thread+0x10/0x10 [ 94.328043][ T10] ? __cfi_kthread+0x10/0x10 [ 94.332616][ T10] ret_from_fork+0x1f/0x30 [ 94.337020][ T10] [ 94.345621][ T795] loop3: p45 could not be added: -ENOMEM [ 94.351457][ T795] loop3: p46 size 33024 extends beyond EOD, truncated [ 94.360984][ T795] loop3: p47 size 33024 extends beyond EOD, truncated [ 94.369911][ T795] loop3: p48 size 33024 extends beyond EOD, truncated [ 94.390810][ T795] loop3: p49 size 33024 extends beyond EOD, truncated [ 94.402001][ T309] EXT4-fs (sda1): ext4_writepages: jbd2_start: 1023 pages, ino 2035; err -12 [ 94.410735][ T795] loop3: p50 size 33024 extends beyond EOD, truncated [ 94.432508][ T795] loop3: p51 size 33024 extends beyond EOD, truncated [ 94.454175][ T795] loop3: p52 size 33024 extends beyond EOD, truncated [ 94.473418][ T795] loop3: p53 size 33024 extends beyond EOD, truncated [ 94.491392][ T795] loop3: p54 size 33024 extends beyond EOD, truncated [ 94.503839][ T795] loop3: p55 size 33024 extends beyond EOD, truncated [ 94.524848][ T795] loop3: p56 size 33024 extends beyond EOD, truncated [ 94.533683][ T795] loop3: p57 size 33024 extends beyond EOD, truncated [ 94.542159][ T795] loop3: p58 size 33024 extends beyond EOD, truncated [ 94.550263][ T795] loop3: p59 size 33024 extends beyond EOD, truncated [ 94.558935][ T795] loop3: p60 size 33024 extends beyond EOD, truncated [ 94.569821][ T795] loop3: p61 size 33024 extends beyond EOD, truncated [ 94.577441][ T795] loop3: p62 size 33024 extends beyond EOD, truncated [ 94.585212][ T795] loop3: p63 size 33024 extends beyond EOD, truncated [ 94.594454][ T795] loop3: p64 size 33024 extends beyond EOD, truncated [ 94.601870][ T795] loop3: p65 size 33024 extends beyond EOD, truncated [ 94.609249][ T795] loop3: p66 size 33024 extends beyond EOD, truncated [ 94.616420][ T795] loop3: p67 size 33024 extends beyond EOD, truncated [ 94.623594][ T795] loop3: p68 size 33024 extends beyond EOD, truncated [ 94.630696][ T795] loop3: p69 size 33024 extends beyond EOD, truncated [ 94.638072][ T795] loop3: p70 size 33024 extends beyond EOD, truncated [ 94.645330][ T795] loop3: p71 size 33024 extends beyond EOD, truncated [ 94.652472][ T795] loop3: p72 size 33024 extends beyond EOD, truncated [ 94.659583][ T795] loop3: p73 size 33024 extends beyond EOD, truncated [ 94.666805][ T795] loop3: p74 size 33024 extends beyond EOD, truncated [ 94.674004][ T795] loop3: p75 size 33024 extends beyond EOD, truncated [ 94.681420][ T795] loop3: p76 size 33024 extends beyond EOD, truncated [ 94.688552][ T795] loop3: p77 size 33024 extends beyond EOD, truncated [ 94.695777][ T795] loop3: p78 size 33024 extends beyond EOD, truncated [ 94.702992][ T795] loop3: p79 size 33024 extends beyond EOD, truncated [ 94.710144][ T795] loop3: p80 size 33024 extends beyond EOD, truncated [ 94.717360][ T795] loop3: p81 size 33024 extends beyond EOD, truncated [ 94.724536][ T795] loop3: p82 size 33024 extends beyond EOD, truncated [ 94.731740][ T795] loop3: p83 size 33024 extends beyond EOD, truncated [ 94.738851][ T795] loop3: p84 size 33024 extends beyond EOD, truncated [ 94.746041][ T795] loop3: p85 size 33024 extends beyond EOD, truncated [ 94.753373][ T795] loop3: p86 size 33024 extends beyond EOD, truncated [ 94.760622][ T795] loop3: p87 size 33024 extends beyond EOD, truncated [ 94.767972][ T795] loop3: p88 size 33024 extends beyond EOD, truncated [ 94.775240][ T795] loop3: p89 size 33024 extends beyond EOD, truncated [ 94.782490][ T795] loop3: p90 size 33024 extends beyond EOD, truncated [ 94.789669][ T795] loop3: p91 size 33024 extends beyond EOD, truncated [ 94.797145][ T795] loop3: p92 size 33024 extends beyond EOD, truncated [ 94.804443][ T795] loop3: p93 size 33024 extends beyond EOD, truncated [ 94.811665][ T795] loop3: p94 size 33024 extends beyond EOD, truncated [ 94.818821][ T795] loop3: p95 size 33024 extends beyond EOD, truncated [ 94.826040][ T795] loop3: p96 size 33024 extends beyond EOD, truncated [ 94.833257][ T795] loop3: p97 size 33024 extends beyond EOD, truncated [ 94.840372][ T795] loop3: p98 size 33024 extends beyond EOD, truncated [ 94.847585][ T795] loop3: p99 size 33024 extends beyond EOD, truncated [ 94.854801][ T795] loop3: p100 size 33024 extends beyond EOD, truncated [ 94.862065][ T795] loop3: p101 size 33024 extends beyond EOD, truncated [ 94.869293][ T795] loop3: p102 size 33024 extends beyond EOD, truncated [ 94.876604][ T795] loop3: p103 size 33024 extends beyond EOD, truncated [ 94.883893][ T795] loop3: p104 size 33024 extends beyond EOD, truncated [ 94.891146][ T795] loop3: p105 size 33024 extends beyond EOD, truncated [ 94.898334][ T795] loop3: p106 size 33024 extends beyond EOD, truncated [ 94.905641][ T795] loop3: p107 size 33024 extends beyond EOD, truncated [ 94.913116][ T795] loop3: p108 size 33024 extends beyond EOD, truncated [ 94.920386][ T795] loop3: p109 size 33024 extends beyond EOD, truncated [ 94.927731][ T795] loop3: p110 size 33024 extends beyond EOD, truncated [ 94.935203][ T795] loop3: p111 size 33024 extends beyond EOD, truncated [ 94.942552][ T795] loop3: p112 size 33024 extends beyond EOD, truncated [ 94.949764][ T795] loop3: p113 size 33024 extends beyond EOD, truncated [ 94.957345][ T319] device bridge_slave_1 left promiscuous mode [ 94.957391][ T795] loop3: p114 size 33024 extends beyond EOD, [ 94.963523][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.963861][ T795] truncated [ 94.979955][ T319] device bridge_slave_0 left promiscuous mode [ 94.980499][ T795] loop3: p115 size 33024 extends beyond EOD, truncated [ 94.986338][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.993576][ T795] loop3: p116 size 33024 extends beyond EOD, truncated [ 95.008735][ T795] loop3: p117 size 33024 extends beyond EOD, truncated [ 95.008901][ T319] device veth1_macvtap left promiscuous mode [ 95.016287][ T795] loop3: p118 size 33024 extends beyond EOD, truncated [ 95.021957][ T319] device veth0_vlan left promiscuous mode [ 95.028961][ T795] loop3: p119 size 33024 extends beyond EOD, truncated [ 95.042030][ T795] loop3: p120 size 33024 extends beyond EOD, truncated [ 95.049387][ T795] loop3: p121 size 33024 extends beyond EOD, truncated [ 95.056780][ T795] loop3: p122 size 33024 extends beyond EOD, truncated [ 95.064403][ T795] loop3: p123 size 33024 extends beyond EOD, truncated [ 95.071911][ T795] loop3: p124 size 33024 extends beyond EOD, truncated [ 95.079310][ T795] loop3: p125 size 33024 extends beyond EOD, truncated [ 95.086892][ T795] loop3: p126 size 33024 extends beyond EOD, truncated [ 95.094511][ T795] loop3: p127 size 33024 extends beyond EOD, truncated [ 95.102183][ T795] loop3: p128 size 33024 extends beyond EOD, truncated [ 95.109396][ T795] loop3: p129 size 33024 extends beyond EOD, truncated [ 95.116734][ T795] loop3: p130 size 33024 extends beyond EOD, truncated [ 95.124641][ T795] loop3: p131 size 33024 extends beyond EOD, truncated [ 95.131956][ T795] loop3: p132 size 33024 extends beyond EOD, truncated [ 95.139175][ T795] loop3: p133 size 33024 extends beyond EOD, truncated [ 95.146496][ T795] loop3: p134 size 33024 extends beyond EOD, truncated [ 95.153798][ T795] loop3: p135 size 33024 extends beyond EOD, truncated [ 95.161059][ T795] loop3: p136 size 33024 extends beyond EOD, truncated [ 95.168364][ T795] loop3: p137 size 33024 extends beyond EOD, truncated [ 95.175655][ T795] loop3: p138 size 33024 extends beyond EOD, truncated [ 95.182974][ T795] loop3: p139 size 33024 extends beyond EOD, truncated [ 95.190282][ T795] loop3: p140 size 33024 extends beyond EOD, truncated [ 95.197636][ T795] loop3: p141 size 33024 extends beyond EOD, truncated [ 95.205234][ T795] loop3: p142 size 33024 extends beyond EOD, truncated [ 95.213284][ T795] loop3: p143 size 33024 extends beyond EOD, truncated [ 95.220578][ T795] loop3: p144 size 33024 extends beyond EOD, truncated [ 95.228522][ T795] loop3: p145 size 33024 extends beyond EOD, truncated [ 95.235888][ T795] loop3: p146 size 33024 extends beyond EOD, truncated [ 95.243230][ T795] loop3: p147 size 33024 extends beyond EOD, truncated [ 95.250463][ T795] loop3: p148 size 33024 extends beyond EOD, truncated [ 95.257800][ T795] loop3: p149 size 33024 extends beyond EOD, truncated [ 95.265312][ T795] loop3: p150 size 33024 extends beyond EOD, truncated [ 95.272574][ T795] loop3: p151 size 33024 extends beyond EOD, truncated [ 95.279835][ T795] loop3: p152 size 33024 extends beyond EOD, truncated [ 95.287796][ T795] loop3: p153 size 33024 extends beyond EOD, truncated [ 95.295210][ T795] loop3: p154 size 33024 extends beyond EOD, truncated [ 95.302519][ T795] loop3: p155 size 33024 extends beyond EOD, truncated [ 95.309741][ T795] loop3: p156 size 33024 extends beyond EOD, truncated [ 95.317407][ T795] loop3: p157 size 33024 extends beyond EOD, truncated [ 95.325364][ T795] loop3: p158 size 33024 extends beyond EOD, truncated [ 95.333058][ T795] loop3: p159 size 33024 extends beyond EOD, truncated [ 95.341721][ T795] loop3: p160 size 33024 extends beyond EOD, truncated [ 95.349047][ T795] loop3: p161 size 33024 extends beyond EOD, truncated [ 95.356478][ T795] loop3: p162 size 33024 extends beyond EOD, truncated [ 95.363819][ T795] loop3: p163 size 33024 extends beyond EOD, truncated [ 95.371112][ T795] loop3: p164 size 33024 extends beyond EOD, truncated [ 95.378326][ T795] loop3: p165 size 33024 extends beyond EOD, truncated [ 95.385704][ T795] loop3: p166 size 33024 extends beyond EOD, truncated [ 95.392991][ T795] loop3: p167 size 33024 extends beyond EOD, truncated [ 95.400331][ T795] loop3: p168 size 33024 extends beyond EOD, truncated [ 95.407881][ T795] loop3: p169 size 33024 extends beyond EOD, truncated [ 95.415173][ T795] loop3: p170 size 33024 extends beyond EOD, truncated [ 95.422546][ T795] loop3: p171 size 33024 extends beyond EOD, truncated [ 95.430057][ T795] loop3: p172 size 33024 extends beyond EOD, truncated [ 95.437580][ T795] loop3: p173 size 33024 extends beyond EOD, truncated [ 95.445334][ T795] loop3: p174 size 33024 extends beyond EOD, truncated [ 95.452656][ T795] loop3: p175 size 33024 extends beyond EOD, truncated [ 95.459970][ T795] loop3: p176 size 33024 extends beyond EOD, truncated [ 95.467294][ T795] loop3: p177 size 33024 extends beyond EOD, truncated [ 95.474597][ T795] loop3: p178 size 33024 extends beyond EOD, truncated [ 95.482353][ T795] loop3: p179 size 33024 extends beyond EOD, truncated [ 95.489563][ T795] loop3: p180 size 33024 extends beyond EOD, truncated [ 95.496921][ T795] loop3: p181 size 33024 extends beyond EOD, truncated [ 95.504271][ T795] loop3: p182 size 33024 extends beyond EOD, truncated [ 95.511573][ T795] loop3: p183 size 33024 extends beyond EOD, truncated [ 95.518796][ T795] loop3: p184 size 33024 extends beyond EOD, truncated [ 95.526176][ T795] loop3: p185 size 33024 extends beyond EOD, truncated [ 95.533682][ T795] loop3: p186 size 33024 extends beyond EOD, truncated [ 95.540948][ T795] loop3: p187 size 33024 extends beyond EOD, truncated [ 95.548296][ T795] loop3: p188 size 33024 extends beyond EOD, truncated [ 95.555564][ T795] loop3: p189 size 33024 extends beyond EOD, truncated [ 95.562911][ T795] loop3: p190 size 33024 extends beyond EOD, truncated [ 95.570160][ T795] loop3: p191 size 33024 extends beyond EOD, truncated [ 95.577471][ T795] loop3: p192 size 33024 extends beyond EOD, truncated [ 95.584782][ T795] loop3: p193 size 33024 extends beyond EOD, truncated [ 95.592148][ T795] loop3: p194 size 33024 extends beyond EOD, truncated [ 95.599432][ T795] loop3: p195 size 33024 extends beyond EOD, truncated [ 95.606759][ T795] loop3: p196 size 33024 extends beyond EOD, truncated [ 95.614068][ T795] loop3: p197 size 33024 extends beyond EOD, truncated [ 95.621375][ T795] loop3: p198 size 33024 extends beyond EOD, truncated [ 95.628576][ T795] loop3: p199 size 33024 extends beyond EOD, truncated [ 95.635891][ T795] loop3: p200 size 33024 extends beyond EOD, truncated [ 95.643167][ T795] loop3: p201 size 33024 extends beyond EOD, truncated [ 95.650448][ T795] loop3: p202 size 33024 extends beyond EOD, truncated [ 95.657823][ T795] loop3: p203 size 33024 extends beyond EOD, truncated [ 95.665150][ T795] loop3: p204 size 33024 extends beyond EOD, truncated [ 95.672467][ T795] loop3: p205 size 33024 extends beyond EOD, truncated [ 95.679697][ T795] loop3: p206 size 33024 extends beyond EOD, truncated [ 95.687441][ T795] loop3: p207 size 33024 extends beyond EOD, truncated [ 95.694789][ T795] loop3: p208 size 33024 extends beyond EOD, truncated [ 95.702137][ T795] loop3: p209 size 33024 extends beyond EOD, truncated [ 95.709420][ T795] loop3: p210 size 33024 extends beyond EOD, truncated [ 95.716765][ T795] loop3: p211 size 33024 extends beyond EOD, truncated [ 95.724103][ T795] loop3: p212 size 33024 extends beyond EOD, truncated [ 95.731534][ T795] loop3: p213 size 33024 extends beyond EOD, truncated [ 95.738773][ T795] loop3: p214 size 33024 extends beyond EOD, truncated [ 95.746102][ T795] loop3: p215 size 33024 extends beyond EOD, truncated [ 95.753413][ T795] loop3: p216 size 33024 extends beyond EOD, truncated [ 95.760723][ T795] loop3: p217 size 33024 extends beyond EOD, truncated [ 95.768050][ T795] loop3: p218 size 33024 extends beyond EOD, truncated [ 95.775367][ T795] loop3: p219 size 33024 extends beyond EOD, truncated [ 95.782697][ T795] loop3: p220 size 33024 extends beyond EOD, truncated [ 95.789923][ T795] loop3: p221 size 33024 extends beyond EOD, truncated [ 95.797289][ T795] loop3: p222 size 33024 extends beyond EOD, truncated [ 95.804634][ T795] loop3: p223 size 33024 extends beyond EOD, truncated [ 95.811995][ T795] loop3: p224 size 33024 extends beyond EOD, truncated [ 95.819218][ T795] loop3: p225 size 33024 extends beyond EOD, truncated [ 95.826520][ T795] loop3: p226 size 33024 extends beyond EOD, truncated [ 95.833792][ T795] loop3: p227 size 33024 extends beyond EOD, truncated [ 95.840977][ T795] loop3: p228 size 33024 extends beyond EOD, truncated [ 95.848271][ T795] loop3: p229 size 33024 extends beyond EOD, truncated [ 95.855571][ T795] loop3: p230 size 33024 extends beyond EOD, truncated [ 95.862875][ T795] loop3: p231 size 33024 extends beyond EOD, truncated [ 95.870159][ T795] loop3: p232 size 33024 extends beyond EOD, truncated [ 95.877456][ T795] loop3: p233 size 33024 extends beyond EOD, truncated [ 95.884745][ T795] loop3: p234 size 33024 extends beyond EOD, truncated [ 95.892148][ T795] loop3: p235 size 33024 extends beyond EOD, truncated [ 95.899508][ T795] loop3: p236 size 33024 extends beyond EOD, truncated [ 95.906928][ T795] loop3: p237 size 33024 extends beyond EOD, truncated [ 95.914278][ T795] loop3: p238 size 33024 extends beyond EOD, truncated [ 95.921666][ T795] loop3: p239 size 33024 extends beyond EOD, truncated [ 95.928898][ T795] loop3: p240 size 33024 extends beyond EOD, truncated [ 95.936322][ T795] loop3: p241 size 33024 extends beyond EOD, truncated [ 95.943662][ T795] loop3: p242 size 33024 extends beyond EOD, truncated [ 95.951004][ T795] loop3: p243 size 33024 extends beyond EOD, truncated [ 95.958365][ T795] loop3: p244 size 33024 extends beyond EOD, truncated [ 95.965869][ T795] loop3: p245 size 33024 extends beyond EOD, truncated [ 95.973321][ T795] loop3: p246 size 33024 extends beyond EOD, truncated [ 95.980646][ T795] loop3: p247 size 33024 extends beyond EOD, truncated [ 95.988008][ T795] loop3: p248 size 33024 extends beyond EOD, truncated [ 95.995303][ T795] loop3: p249 size 33024 extends beyond EOD, truncated [ 96.002616][ T795] loop3: p250 size 33024 extends beyond EOD, truncated [ 96.009898][ T795] loop3: p251 size 33024 extends beyond EOD, truncated [ 96.017372][ T795] loop3: p252 size 33024 extends beyond EOD, truncated [ 96.024681][ T795] loop3: p253 size 33024 extends beyond EOD, truncated [ 96.031966][ T795] loop3: p254 size 33024 extends beyond EOD, truncated [ 96.039227][ T795] loop3: p255 size 33024 extends beyond EOD, truncated [ 96.089778][ T319] device bridge_slave_1 left promiscuous mode [ 96.120352][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.201898][ T319] device bridge_slave_0 left promiscuous mode [ 96.211680][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.277109][ T319] device bridge_slave_1 left promiscuous mode [ 96.285046][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.386321][ T319] device bridge_slave_0 left promiscuous mode [ 96.397244][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.500245][ T319] device bridge_slave_1 left promiscuous mode [ 96.547476][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.596305][ T319] device bridge_slave_0 left promiscuous mode [ 96.640220][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.693194][ T319] device veth1_macvtap left promiscuous mode [ 96.711742][ T319] device veth0_vlan left promiscuous mode [ 96.729821][ T319] device veth1_macvtap left promiscuous mode [ 96.770741][ T319] device veth0_vlan left promiscuous mode [ 96.814768][ T319] device veth1_macvtap left promiscuous mode [ 96.827709][ T319] device veth0_vlan left promiscuous mode [ 98.371527][ T319] device bridge_slave_1 left promiscuous mode [ 98.377649][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.385144][ T319] device bridge_slave_0 left promiscuous mode [ 98.391370][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.399004][ T319] device veth1_macvtap left promiscuous mode [ 98.405079][ T319] device veth0_vlan left promiscuous mode