last executing test programs: 581.792867ms ago: executing program 4 (id=5): r0 = socket$packet(0x11, 0x2, 0x300) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0), r1) getsockname$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000005c0)=0x56) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000600)=ANY=[@ANYBLOB="400000001000390400000000fbdbdf2500000000", @ANYRES32=r2, @ANYBLOB="010f0000419a04002000128008000100736974001400028008000300ac1414"], 0x40}}, 0x0) socket$packet(0x11, 0xa, 0x300) epoll_create1(0x80000) poll(&(0x7f00000000c0), 0x0, 0x50c00000) sendto$packet(r0, &(0x7f0000000400)="05d936277c6f5422007f83477ca1b278e3e4018a34e7bfd3de1a00ad6762646c95c716727eb53bcc", 0x28, 0x40880, &(0x7f0000000200)={0x11, 0x86dd, r2, 0x1, 0x4, 0x6, @local}, 0x14) 275.435344ms ago: executing program 0 (id=1): mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) capset(&(0x7f0000000380)={0x20080522}, &(0x7f0000000200)={0x200002, 0x200003, 0x800, 0x4, 0x7}) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSW2(r0, 0x402c542c, &(0x7f0000000040)={0xfffffff8, 0x40004, 0xfdfbff7d, 0x7, 0x2, "ffffffff99eceffd000000006b00007900", 0xfffffffb, 0x9}) socket$nl_generic(0x10, 0x3, 0x10) syz_ublk_setup_io_uring(0x20, &(0x7f0000000340)={0x0, 0xd40c, 0x1000, 0x40002, 0x1e5}, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x104, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000440)=@new_dev={0x1, 0x3c9, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x40}}}, &(0x7f0000000300)=0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup(r2) syz_ublk_setup_queues(r3, r1, 0x0, &(0x7f0000000500)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0x4704, 0x80000, 0x1000000, 0x33d, 0x0, r3}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xffffffff, 0x20, 0x0, 0x146}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x6a6c, 0x6449, 0x0, 0xfffffffd, 0x0, r3}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x2, 0x40, 0x2, 0xffffffff}}], 0x1, 0x0, 0x0) 250.466645ms ago: executing program 1 (id=2): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) unshare(0x64000600) 79.862178ms ago: executing program 3 (id=4): syz_mount_image$f2fs(&(0x7f00000105c0), &(0x7f0000000100)='./file0\x00', 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="0063edcea4", @ANYBLOB="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"], 0xfd, 0x105eb, &(0x7f0000020c00)="$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r0 = syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) fsetxattr$trusted_overlay_nlink(r0, &(0x7f0000000000), &(0x7f0000000140)={'L-', 0x6}, 0x16, 0x0) mount$overlay(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000000b80), 0x10000, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) chdir(&(0x7f0000000040)='./file0\x00') syz_emit_ethernet(0x4a, &(0x7f0000000240)=ANY=[@ANYBLOB="aaaa"], 0x0) sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000007880)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000040)="af0ac95ab194f93f8e795a9b29420fa62d", 0x11}], 0x1}}], 0x1, 0x24088000) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x18, 0xf, &(0x7f0000000200)=ANY=[@ANYRESDEC, @ANYRES32, @ANYBLOB="0000000000000000b702000014000000b7020000000000008500000051000000bf0900000000000055"], 0x0, 0x9, 0x0, 0x0, 0x0, 0x13, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6}, 0x94) r1 = syz_open_dev$loop(&(0x7f0000000100), 0x4, 0x2001) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='blkio.bfq.io_service_bytes_recursive\x00', 0x275a, 0x0) pipe2$9p(&(0x7f0000000040), 0x800) write$binfmt_misc(r2, &(0x7f0000000040), 0xe09) ioctl$LOOP_CONFIGURE(r1, 0x4c0a, &(0x7f00000002c0)={r2, 0x0, {0x2a00, 0x80010000, 0x0, 0x2, 0x0, 0x0, 0x0, 0x13, 0x1c, "fee8a2ab78fc979fd1e00d96072000001ea89de2b7fb0000e60080b8785d960001000000000000000000007efff100004000", "2827e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c527d3d458dd4992861ac008000000000000200", "f4bd000000801900", [0x8, 0xffffffff9673e359]}}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='.\x00', 0x0, 0x0) getdents64(r3, 0x0, 0x0) 0s ago: executing program 2 (id=3): syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000200)='./file0\x00', 0x0, &(0x7f00000005c0), 0x1, 0x51e, &(0x7f0000001080)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x82001, 0x59) pwrite64(r0, &(0x7f0000000600)="0080", 0x2, 0x8000c61) r1 = openat(0xffffffffffffff9c, 0x0, 0x42042, 0x1cb) fallocate(r1, 0x10, 0x8, 0x73) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.24' (ED25519) to the list of known hosts. [ 26.981132][ T28] audit: type=1400 audit(1785427629.997:64): avc: denied { mounton } for pid=280 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 26.984385][ T280] cgroup: Unknown subsys name 'net' [ 27.003811][ T28] audit: type=1400 audit(1785427629.997:65): avc: denied { mount } for pid=280 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.031155][ T28] audit: type=1400 audit(1785427630.037:66): avc: denied { unmount } for pid=280 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.031586][ T280] cgroup: Unknown subsys name 'devices' [ 27.177386][ T280] cgroup: Unknown subsys name 'hugetlb' [ 27.183129][ T280] cgroup: Unknown subsys name 'rlimit' [ 27.287481][ T28] audit: type=1400 audit(1785427630.307:67): avc: denied { setattr } for pid=280 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 27.310729][ T28] audit: type=1400 audit(1785427630.307:68): avc: denied { mounton } for pid=280 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 27.335532][ T28] audit: type=1400 audit(1785427630.307:69): avc: denied { mount } for pid=280 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 27.365733][ T282] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.374530][ T28] audit: type=1400 audit(1785427630.387:70): avc: denied { relabelto } for pid=282 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 27.399946][ T28] audit: type=1400 audit(1785427630.387:71): avc: denied { write } for pid=282 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" Setting up swapspace version 1, size = 127995904 bytes [ 27.471680][ T28] audit: type=1400 audit(1785427630.487:72): avc: denied { read } for pid=280 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 27.497264][ T28] audit: type=1400 audit(1785427630.487:73): avc: denied { open } for pid=280 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 27.497299][ T280] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.321244][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.328420][ T292] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.336004][ T292] device bridge_slave_0 entered promiscuous mode [ 28.353157][ T288] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.360266][ T288] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.367839][ T288] device bridge_slave_0 entered promiscuous mode [ 28.376841][ T288] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.383904][ T288] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.391410][ T288] device bridge_slave_1 entered promiscuous mode [ 28.397977][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.405134][ T292] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.412507][ T292] device bridge_slave_1 entered promiscuous mode [ 28.494187][ T289] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.501303][ T289] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.508984][ T289] device bridge_slave_0 entered promiscuous mode [ 28.517090][ T289] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.524321][ T289] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.531858][ T289] device bridge_slave_1 entered promiscuous mode [ 28.576283][ T290] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.583364][ T290] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.590895][ T290] device bridge_slave_0 entered promiscuous mode [ 28.599058][ T290] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.606311][ T290] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.613789][ T290] device bridge_slave_1 entered promiscuous mode [ 28.674249][ T291] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.681432][ T291] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.688951][ T291] device bridge_slave_0 entered promiscuous mode [ 28.695995][ T291] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.703042][ T291] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.710668][ T291] device bridge_slave_1 entered promiscuous mode [ 28.817968][ T288] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.825094][ T288] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.832417][ T288] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.839487][ T288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.852696][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.859873][ T292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.867182][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.874220][ T292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.895882][ T290] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.902951][ T290] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.910261][ T290] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.917313][ T290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.963870][ T289] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.971061][ T289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.978388][ T289] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.985448][ T289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.998822][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.006210][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.013421][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.021173][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.028553][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.036156][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.043524][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.050924][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.058951][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.066519][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.112648][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.121228][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.128286][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.138125][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.146295][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.153321][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.160857][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.168318][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.176022][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.184130][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.191200][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.198677][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.207024][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.214058][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.221490][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.229505][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.258906][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.267579][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.276689][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.284643][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.293082][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.300163][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.308001][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.316337][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.323364][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.337718][ T292] device veth0_vlan entered promiscuous mode [ 29.359230][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.367688][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.376321][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.384148][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.392489][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.400189][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.407833][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 29.416424][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.424554][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.431623][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.439290][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.446907][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.454283][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 29.462761][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.470944][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.477995][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.485597][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.493933][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.502255][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.509323][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.516835][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 29.525224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.533253][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.540877][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.548519][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 29.577684][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.586171][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.594323][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.601415][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.609744][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 29.618061][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.626324][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 29.634365][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.642570][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 29.650986][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.659161][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 29.667329][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.675326][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 29.683365][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.699564][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.708009][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.716222][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.723632][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.731381][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.739989][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.754529][ T292] device veth1_macvtap entered promiscuous mode [ 29.772779][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.781075][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.789545][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.797444][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.805908][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.814409][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.822831][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.831240][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.839787][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.848190][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.856626][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.867417][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.875425][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.885914][ T288] device veth0_vlan entered promiscuous mode [ 29.893382][ T291] device veth0_vlan entered promiscuous mode [ 29.901628][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.909405][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.917134][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.925430][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.933527][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.941266][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.952447][ T290] device veth0_vlan entered promiscuous mode [ 29.961089][ T289] device veth0_vlan entered promiscuous mode [ 29.967695][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.977115][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.977769][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 29.987606][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.999837][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 30.020034][ T290] device veth1_macvtap entered promiscuous mode [ 30.037985][ T288] device veth1_macvtap entered promiscuous mode [ 30.044831][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.053159][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.067909][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 30.076351][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.084479][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 30.092609][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 30.101032][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.109285][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 30.116885][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 30.128861][ T289] device veth1_macvtap entered promiscuous mode [ 30.138119][ T312] netlink: 8 bytes leftover after parsing attributes in process `syz.4.5'. [ 30.147215][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 30.155785][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.164588][ T291] device veth1_macvtap entered promiscuous mode [ 30.182245][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.190576][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.199118][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 30.207890][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.216516][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.225224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.233681][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 30.242302][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.255885][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 30.264184][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.272746][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.281054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.295166][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.303821][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.355130][ T318] FAULT_INJECTION: forcing a failure. [ 30.355130][ T318] name failslab, interval 1, probability 1, space 0, times 1 [ 30.361038][ T291] FAULT_INJECTION: forcing a failure. [ 30.361038][ T291] name failslab, interval 1, probability 1, space 0, times 1 [ 30.369742][ T318] CPU: 0 PID: 318 Comm: syz.1.2 Not tainted syzkaller #0 [ 30.387562][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.397669][ T318] Call Trace: [ 30.400971][ T318] [ 30.403917][ T318] __dump_stack+0x21/0x24 [ 30.408290][ T318] dump_stack_lvl+0x110/0x170 [ 30.412985][ T318] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.418033][ T318] dump_stack+0x15/0x24 [ 30.422207][ T318] should_fail_ex+0x3bf/0x510 [ 30.426912][ T318] ? security_file_alloc+0x33/0x130 [ 30.432136][ T318] __should_failslab+0xac/0xf0 [ 30.436921][ T318] should_failslab+0x9/0x20 [ 30.441444][ T318] kmem_cache_alloc+0x3b/0x320 [ 30.446237][ T318] ? __alloc_file+0x28/0x2a0 [ 30.450852][ T318] security_file_alloc+0x33/0x130 [ 30.455910][ T318] __alloc_file+0xb5/0x2a0 [ 30.460349][ T318] alloc_empty_file+0x97/0x180 [ 30.465138][ T318] alloc_file+0x59/0x600 [ 30.469455][ T318] ? _raw_spin_unlock+0x4c/0x70 [ 30.474333][ T318] alloc_file_pseudo+0x180/0x200 [ 30.479293][ T318] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 30.484775][ T318] ? _raw_spin_unlock+0x4c/0x70 [ 30.489670][ T318] ? alloc_fd+0x4c1/0x570 [ 30.489697][ T318] sock_alloc_file+0xba/0x270 [ 30.489729][ T318] __sys_socket+0x138/0x1a0 [ 30.489747][ T318] __x64_sys_socket+0x7a/0x90 [ 30.489766][ T318] x64_sys_call+0x449/0x9a0 [ 30.489788][ T318] do_syscall_64+0x4c/0xa0 [ 30.489811][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.489827][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.489843][ T318] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.489870][ T318] RIP: 0033:0x7f0baa19df99 [ 30.489900][ T318] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.489916][ T318] RSP: 002b:00007f0bab118028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 30.489940][ T318] RAX: ffffffffffffffda RBX: 00007f0baa425fa0 RCX: 00007f0baa19df99 [ 30.489954][ T318] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 30.489965][ T318] RBP: 00007f0baa234ec4 R08: 0000000000000000 R09: 0000000000000000 [ 30.489976][ T318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.489987][ T318] R13: 00007f0baa426038 R14: 00007f0baa425fa0 R15: 00007ffc183925a8 [ 30.490004][ T318] [ 30.490012][ T291] CPU: 1 PID: 291 Comm: syz-executor Not tainted syzkaller #0 [ 30.490033][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.490044][ T291] Call Trace: [ 30.490051][ T291] [ 30.490057][ T291] __dump_stack+0x21/0x24 [ 30.490081][ T291] dump_stack_lvl+0x110/0x170 [ 30.490104][ T291] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.490127][ T291] ? alloc_vmap_area+0x17b6/0x18c0 [ 30.490149][ T291] dump_stack+0x15/0x24 [ 30.490171][ T291] should_fail_ex+0x3bf/0x510 [ 30.490191][ T291] __should_failslab+0xac/0xf0 [ 30.490216][ T291] should_failslab+0x9/0x20 [ 30.490235][ T291] __kmem_cache_alloc_node+0x3d/0x2d0 [ 30.490261][ T291] ? __vmalloc_node_range+0x564/0x1440 [ 30.490281][ T291] ? _raw_spin_unlock+0x4c/0x70 [ 30.490304][ T291] ? __vmalloc_node_range+0x564/0x1440 [ 30.490323][ T291] __kmalloc_node+0xa2/0x1e0 [ 30.490341][ T291] __vmalloc_node_range+0x564/0x1440 [ 30.490366][ T291] ? __cfi___vmalloc_node_range+0x10/0x10 [ 30.490386][ T291] ? __cfi_selinux_capable+0x10/0x10 [ 30.490407][ T291] ? __kasan_check_write+0x14/0x20 [ 30.490426][ T291] ? alloc_counters+0x66/0x520 [ 30.490446][ T291] vzalloc+0x78/0x90 [ 30.490466][ T291] ? alloc_counters+0x66/0x520 [ 30.490488][ T291] alloc_counters+0x66/0x520 [ 30.490513][ T291] ? xt_find_table_lock+0x3c7/0x410 [ 30.490540][ T291] do_ipt_get_ctl+0xa7d/0x1190 [ 30.490566][ T291] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 30.490591][ T291] ? do_ip_getsockopt+0x71f/0x1760 [ 30.490617][ T291] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 30.490641][ T291] ? avc_has_perm_noaudit+0x30a/0x490 [ 30.490661][ T291] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 30.490683][ T291] ? __kasan_check_write+0x14/0x20 [ 30.490709][ T291] ? mutex_unlock+0x8f/0x230 [ 30.490740][ T291] ? __cfi_mutex_unlock+0x10/0x10 [ 30.490768][ T291] ? __cfi_avc_has_perm+0x10/0x10 [ 30.490788][ T291] nf_getsockopt+0x27f/0x2a0 [ 30.490816][ T291] ip_getsockopt+0x157/0x1e0 [ 30.490842][ T291] ? __cfi_ip_getsockopt+0x10/0x10 [ 30.490866][ T291] ? lock_vma_under_rcu+0x3f8/0x4f0 [ 30.490885][ T291] tcp_getsockopt+0xff/0x130 [ 30.490912][ T291] sock_common_getsockopt+0xaa/0xc0 [ 30.490940][ T291] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 30.490968][ T291] __sys_getsockopt+0x215/0x490 [ 30.490992][ T291] __x64_sys_getsockopt+0xbf/0xd0 [ 30.491013][ T291] x64_sys_call+0x3d/0x9a0 [ 30.491036][ T291] do_syscall_64+0x4c/0xa0 [ 30.491058][ T291] ? clear_bhb_loop+0x30/0x80 [ 30.491075][ T291] ? clear_bhb_loop+0x30/0x80 [ 30.491093][ T291] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.491120][ T291] RIP: 0033:0x7feee039f76a [ 30.491135][ T291] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 30.491151][ T291] RSP: 002b:00007fff15d5e448 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 30.491169][ T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feee039f76a [ 30.491183][ T291] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 30.491194][ T291] RBP: 0000000000000000 R08: 00007fff15d5e46c R09: 00007fff15d5e470 [ 30.491207][ T291] R10: 00007fff15d5e470 R11: 0000000000000246 R12: 00007feee0436820 [ 30.491220][ T291] R13: 00007feee05f1180 R14: 00000000000001e0 R15: 00007feee05f0400 [ 30.491236][ T291] [ 30.551387][ T318] FAULT_INJECTION: forcing a failure. [ 30.551387][ T318] name failslab, interval 1, probability 1, space 0, times 100 [ 30.551459][ T318] CPU: 0 PID: 318 Comm: syz.1.2 Not tainted syzkaller #0 [ 30.551481][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.551493][ T318] Call Trace: [ 30.551499][ T318] [ 30.551505][ T318] __dump_stack+0x21/0x24 [ 30.551535][ T318] dump_stack_lvl+0x110/0x170 [ 30.551559][ T318] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.551586][ T318] dump_stack+0x15/0x24 [ 30.551609][ T318] should_fail_ex+0x3bf/0x510 [ 30.551630][ T318] __should_failslab+0xac/0xf0 [ 30.551656][ T318] should_failslab+0x9/0x20 [ 30.551677][ T318] __kmem_cache_alloc_node+0x3d/0x2d0 [ 30.551704][ T318] ? __register_sysctl_table+0x947/0xe50 [ 30.551727][ T318] ? _raw_spin_lock+0x94/0xf0 [ 30.551753][ T318] ? __register_sysctl_table+0x947/0xe50 [ 30.551775][ T318] __kmalloc+0xa4/0x1e0 [ 30.551794][ T318] __register_sysctl_table+0x947/0xe50 [ 30.551821][ T318] ? preempt_count_add+0x90/0x1b0 [ 30.551843][ T318] register_net_sysctl+0x23f/0x250 [ 30.551886][ T318] __devinet_sysctl_register+0x250/0x320 [ 30.551912][ T318] ? devinet_sysctl_register+0x1e0/0x1e0 [ 30.551938][ T318] ? memcpy+0x56/0x70 [ 30.551959][ T318] devinet_init_net+0x312/0x5b0 [ 30.551984][ T318] ops_init+0x2ce/0x470 [ 30.552014][ T318] setup_net+0x4b4/0xcd0 [ 30.552041][ T318] ? copy_net_ns+0x5c0/0x5c0 [ 30.552067][ T318] ? __kasan_kmalloc+0x95/0xb0 [ 30.552093][ T318] ? copy_net_ns+0x185/0x5c0 [ 30.552120][ T318] copy_net_ns+0x355/0x5c0 [ 30.552149][ T318] create_new_namespaces+0x3a8/0x660 [ 30.552181][ T318] unshare_nsproxy_namespaces+0x120/0x170 [ 30.552221][ T318] ksys_unshare+0x4d7/0x820 [ 30.552253][ T318] ? __cfi_ksys_unshare+0x10/0x10 [ 30.552285][ T318] ? fpregs_restore_userregs+0x128/0x260 [ 30.552314][ T318] __x64_sys_unshare+0x38/0x40 [ 30.552344][ T318] x64_sys_call+0x767/0x9a0 [ 30.552369][ T318] do_syscall_64+0x4c/0xa0 [ 30.552395][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.552414][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.552433][ T318] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.552464][ T318] RIP: 0033:0x7f0baa19df99 [ 30.552481][ T318] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.552497][ T318] RSP: 002b:00007f0bab118028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 30.552520][ T318] RAX: ffffffffffffffda RBX: 00007f0baa425fa0 RCX: 00007f0baa19df99 [ 30.552536][ T318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000064000600 [ 30.552548][ T318] RBP: 00007f0baa234ec4 R08: 0000000000000000 R09: 0000000000000000 [ 30.552561][ T318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.552573][ T318] R13: 00007f0baa426038 R14: 00007f0baa425fa0 R15: 00007ffc183925a8 [ 30.552592][ T318] [ 30.552612][ T318] sysctl could not get directory: /net/ipv4 -12 [ 30.552647][ T318] CPU: 0 PID: 318 Comm: syz.1.2 Not tainted syzkaller #0 [ 30.552668][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.552679][ T318] Call Trace: [ 30.552684][ T318] [ 30.552690][ T318] __dump_stack+0x21/0x24 [ 30.552716][ T318] dump_stack_lvl+0x110/0x170 [ 30.552737][ T318] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.552761][ T318] ? __kmem_cache_free+0xb7/0x1b0 [ 30.552792][ T318] dump_stack+0x15/0x24 [ 30.552814][ T318] __register_sysctl_table+0xdde/0xe50 [ 30.552837][ T318] ? preempt_count_add+0x90/0x1b0 [ 30.552858][ T318] register_net_sysctl+0x23f/0x250 [ 30.552881][ T318] __devinet_sysctl_register+0x250/0x320 [ 30.552904][ T318] ? devinet_sysctl_register+0x1e0/0x1e0 [ 30.552928][ T318] ? memcpy+0x56/0x70 [ 30.552947][ T318] devinet_init_net+0x312/0x5b0 [ 30.552970][ T318] ops_init+0x2ce/0x470 [ 30.552998][ T318] setup_net+0x4b4/0xcd0 [ 30.553034][ T318] ? copy_net_ns+0x5c0/0x5c0 [ 30.553057][ T318] ? __kasan_kmalloc+0x95/0xb0 [ 30.553081][ T318] ? copy_net_ns+0x185/0x5c0 [ 30.553122][ T318] copy_net_ns+0x355/0x5c0 [ 30.553145][ T318] create_new_namespaces+0x3a8/0x660 [ 30.553173][ T318] unshare_nsproxy_namespaces+0x120/0x170 [ 30.553211][ T318] ksys_unshare+0x4d7/0x820 [ 30.553240][ T318] ? __cfi_ksys_unshare+0x10/0x10 [ 30.553268][ T318] ? fpregs_restore_userregs+0x128/0x260 [ 30.553291][ T318] __x64_sys_unshare+0x38/0x40 [ 30.553318][ T318] x64_sys_call+0x767/0x9a0 [ 30.553339][ T318] do_syscall_64+0x4c/0xa0 [ 30.553361][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.553378][ T318] ? clear_bhb_loop+0x30/0x80 [ 30.553395][ T318] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.553423][ T318] RIP: 0033:0x7f0baa19df99 [ 30.553437][ T318] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.553454][ T318] RSP: 002b:00007f0bab118028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 30.553473][ T318] RAX: ffffffffffffffda RBX: 00007f0baa425fa0 RCX: 00007f0baa19df99 [ 30.553486][ T318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000064000600 [ 30.553498][ T318] RBP: 00007f0baa234ec4 R08: 0000000000000000 R09: 0000000000000000 [ 30.553509][ T318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.553520][ T318] R13: 00007f0baa426038 R14: 00007f0baa425fa0 R15: 00007ffc183925a8 [ 30.553537][ T318] [ 30.555135][ T92] FAULT_INJECTION: forcing a failure. [ 30.555135][ T92] name failslab, interval 1, probability 1, space 0, times 98 [ 30.555153][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 30.555169][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.555178][ T92] Call Trace: [ 30.555183][ T92] [ 30.555188][ T92] __dump_stack+0x21/0x24 [ 30.555211][ T92] dump_stack_lvl+0x110/0x170 [ 30.555230][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.555251][ T92] dump_stack+0x15/0x24 [ 30.555269][ T92] should_fail_ex+0x3bf/0x510 [ 30.555285][ T92] __should_failslab+0xac/0xf0 [ 30.555306][ T92] should_failslab+0x9/0x20 [ 30.555325][ T92] kmem_cache_alloc_node+0x42/0x330 [ 30.555348][ T92] ? __alloc_skb+0xe8/0x4a0 [ 30.555388][ T92] __alloc_skb+0xe8/0x4a0 [ 30.555406][ T92] alloc_skb_with_frags+0xa8/0x620 [ 30.555424][ T92] ? memcpy+0x56/0x70 [ 30.555444][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 30.555472][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 30.555497][ T92] ? __kasan_check_write+0x14/0x20 [ 30.555515][ T92] ? _raw_spin_lock+0x94/0xf0 [ 30.555536][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 30.555560][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 30.555588][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 30.555610][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 30.555635][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 30.555666][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 30.555689][ T92] __sys_sendto+0x4ac/0x660 [ 30.555722][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 30.555745][ T92] ? __cfi_do_syslog+0x10/0x10 [ 30.555762][ T92] ? __schedule+0xbea/0x14b0 [ 30.555783][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 30.555801][ T92] ? xfd_validate_state+0x70/0x150 [ 30.555824][ T92] __x64_sys_sendto+0xe5/0x100 [ 30.555842][ T92] x64_sys_call+0x83/0x9a0 [ 30.555860][ T92] do_syscall_64+0x4c/0xa0 [ 30.555879][ T92] ? clear_bhb_loop+0x30/0x80 [ 30.555892][ T92] ? clear_bhb_loop+0x30/0x80 [ 30.555906][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.555929][ T92] RIP: 0033:0x7f41382a9407 [ 30.555941][ T92] 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 [ 30.555953][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 30.555969][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 30.555983][ T92] RDX: 0000000000000068 RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 30.555995][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 30.556005][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 30.556015][ T92] R13: 00007ffec5adc290 R14: 000000000000004d R15: 00007ffec5adc290 [ 30.556029][ T92] [ 30.558865][ T321] FAULT_INJECTION: forcing a failure. [ 30.558865][ T321] name failslab, interval 1, probability 1, space 0, times 96 [ 30.558889][ T321] CPU: 0 PID: 321 Comm: udevd Not tainted syzkaller #0 [ 30.558910][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.558921][ T321] Call Trace: [ 30.558927][ T321] [ 30.558934][ T321] __dump_stack+0x21/0x24 [ 30.558961][ T321] dump_stack_lvl+0x110/0x170 [ 30.558987][ T321] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.559015][ T321] dump_stack+0x15/0x24 [ 30.559039][ T321] should_fail_ex+0x3bf/0x510 [ 30.559059][ T321] ? __alloc_file+0x28/0x2a0 [ 30.559085][ T321] __should_failslab+0xac/0xf0 [ 30.559112][ T321] should_failslab+0x9/0x20 [ 30.559134][ T321] kmem_cache_alloc+0x3b/0x320 [ 30.559161][ T321] __alloc_file+0x28/0x2a0 [ 30.559185][ T321] alloc_empty_file+0x97/0x180 [ 30.559218][ T321] path_openat+0xf4/0x2f30 [ 30.559243][ T321] ? kasan_set_track+0x60/0x70 [ 30.559264][ T321] ? kasan_set_track+0x4b/0x70 [ 30.559286][ T321] ? __kasan_slab_alloc+0x72/0x80 [ 30.559309][ T321] ? slab_post_alloc_hook+0x4f/0x2d0 [ 30.559336][ T321] ? kmem_cache_alloc+0x166/0x320 [ 30.559361][ T321] ? getname_flags+0xba/0x510 [ 30.559380][ T321] ? getname+0x19/0x20 [ 30.559397][ T321] ? do_sys_openat2+0xeb/0x820 [ 30.559422][ T321] ? __x64_sys_openat+0x136/0x160 [ 30.559448][ T321] ? x64_sys_call+0x783/0x9a0 [ 30.559470][ T321] ? do_syscall_64+0x4c/0xa0 [ 30.559494][ T321] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.559525][ T321] ? do_filp_open+0x420/0x420 [ 30.559551][ T321] do_filp_open+0x1ee/0x420 [ 30.559576][ T321] ? __cfi_do_filp_open+0x10/0x10 [ 30.559604][ T321] ? alloc_fd+0x4c1/0x570 [ 30.559625][ T321] do_sys_openat2+0x15e/0x820 [ 30.559652][ T321] ? do_sys_open+0xe0/0xe0 [ 30.559678][ T321] ? do_user_addr_fault+0x9a5/0x1030 [ 30.559706][ T321] __x64_sys_openat+0x136/0x160 [ 30.559734][ T321] x64_sys_call+0x783/0x9a0 [ 30.559758][ T321] do_syscall_64+0x4c/0xa0 [ 30.559781][ T321] ? clear_bhb_loop+0x30/0x80 [ 30.559799][ T321] ? clear_bhb_loop+0x30/0x80 [ 30.559816][ T321] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.559846][ T321] RIP: 0033:0x7faea70a7407 [ 30.559861][ T321] 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 [ 30.559878][ T321] RSP: 002b:00007ffd9cb52140 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 30.559900][ T321] RAX: ffffffffffffffda RBX: 00007faea7883880 RCX: 00007faea70a7407 [ 30.559915][ T321] RDX: 0000000000080002 RSI: 000056555dcf38c0 RDI: ffffffffffffff9c [ 30.559941][ T321] RBP: 000056555dd09ef0 R08: 0000000000000000 R09: 0000000000000000 [ 30.559954][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000056555dcf3785 [ 30.559966][ T321] R13: 00007faea7883770 R14: 00007ffd9cb521e0 R15: 000056555dcf3780 [ 30.559983][ T321] [ 30.587296][ T291] syz-executor (291) used greatest stack depth: 22568 bytes left [ 30.626505][ T24] FAULT_INJECTION: forcing a failure. [ 30.626505][ T24] name failslab, interval 1, probability 1, space 0, times 95 [ 30.795116][ T19] FAULT_INJECTION: forcing a failure. [ 30.795116][ T19] name failslab, interval 1, probability 1, space 0, times 95 [ 30.797392][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 30.881759][ T280] FAULT_INJECTION: forcing a failure. [ 30.881759][ T280] name failslab, interval 1, probability 1, space 0, times 95 [ 30.885986][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 30.886001][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 30.886026][ T24] Call Trace: [ 32.184901][ T24] [ 32.184913][ T24] __dump_stack+0x21/0x24 [ 32.184939][ T24] dump_stack_lvl+0x110/0x170 [ 32.184958][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.184978][ T24] ? kasan_set_track+0x60/0x70 [ 32.184997][ T24] ? kasan_set_track+0x4b/0x70 [ 32.185016][ T24] dump_stack+0x15/0x24 [ 32.185035][ T24] should_fail_ex+0x3bf/0x510 [ 32.185056][ T24] __should_failslab+0xac/0xf0 [ 32.185077][ T24] should_failslab+0x9/0x20 [ 32.185093][ T24] __kmem_cache_alloc_node+0x3d/0x2d0 [ 32.185116][ T24] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.185137][ T24] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.185156][ T24] kmalloc_trace+0x29/0xb0 [ 32.185171][ T24] ref_tracker_alloc+0x16b/0x4a0 [ 32.185191][ T24] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.185212][ T24] ? __kasan_kmalloc+0x95/0xb0 [ 32.185234][ T24] ___neigh_create+0xb86/0x1db0 [ 32.185256][ T24] ? __local_bh_enable_ip+0x58/0x80 [ 32.185273][ T24] ? ip6t_do_table+0x13a7/0x1560 [ 32.185300][ T24] __neigh_create+0x31/0x40 [ 32.185320][ T24] ip6_finish_output2+0xaaf/0x18b0 [ 32.185343][ T24] ? ip6t_do_table+0x1c7/0x1560 [ 32.185369][ T24] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.185392][ T24] ? ip6table_mangle_hook+0x262/0x7b0 [ 32.185409][ T24] ip6_finish_output+0x60b/0xbe0 [ 32.185430][ T24] ip6_output+0x1fa/0x410 [ 32.185449][ T24] ? __cfi_ip6_output+0x10/0x10 [ 32.185468][ T24] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.185487][ T24] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.185512][ T24] ndisc_send_skb+0x7c8/0xcd0 [ 32.185529][ T24] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.185544][ T24] ? __cfi_dst_output+0x10/0x10 [ 32.185563][ T24] ? ndisc_ns_create+0x60d/0x920 [ 32.185580][ T24] ndisc_send_ns+0xd4/0x160 [ 32.185595][ T24] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.185609][ T24] ? mod_delayed_work_on+0xa8/0xe0 [ 32.185632][ T24] addrconf_dad_work+0x9d6/0x14a0 [ 32.185648][ T24] ? __kasan_check_write+0x14/0x20 [ 32.185665][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.185681][ T24] ? __kasan_check_write+0x14/0x20 [ 32.185697][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 32.185715][ T24] process_one_work+0x717/0xc30 [ 32.185733][ T24] worker_thread+0xa4d/0x11d0 [ 32.185753][ T24] kthread+0x281/0x320 [ 32.185770][ T24] ? __cfi_worker_thread+0x10/0x10 [ 32.185785][ T24] ? __cfi_kthread+0x10/0x10 [ 32.185802][ T24] ret_from_fork+0x1f/0x30 [ 32.185824][ T24] [ 32.185859][ C1] sched: RT throttling activated [ 32.195150][ T280] CPU: 0 PID: 280 Comm: syz-executor Not tainted syzkaller #0 [ 32.195177][ T280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.195188][ T280] Call Trace: [ 32.195195][ T280] [ 32.195203][ T280] __dump_stack+0x21/0x24 [ 32.195232][ T280] dump_stack_lvl+0x110/0x170 [ 32.195256][ T280] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.195282][ T280] dump_stack+0x15/0x24 [ 32.195304][ T280] should_fail_ex+0x3bf/0x510 [ 32.195323][ T280] __should_failslab+0xac/0xf0 [ 32.195349][ T280] should_failslab+0x9/0x20 [ 32.195367][ T280] __kmem_cache_alloc_node+0x3d/0x2d0 [ 32.195394][ T280] ? alloc_pipe_info+0xe6/0x4a0 [ 32.195421][ T280] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.195446][ T280] ? alloc_pipe_info+0xe6/0x4a0 [ 32.195473][ T280] kmalloc_trace+0x29/0xb0 [ 32.195492][ T280] alloc_pipe_info+0xe6/0x4a0 [ 32.195520][ T280] create_pipe_files+0x8d/0x6c0 [ 32.195556][ T280] __do_pipe_flags+0x4f/0x200 [ 32.195585][ T280] do_pipe2+0xa7/0x190 [ 32.195602][ T280] ? pipe_fcntl+0x510/0x510 [ 32.195620][ T280] ? __cfi_ksys_write+0x10/0x10 [ 32.195638][ T280] ? do_user_addr_fault+0x9a5/0x1030 [ 32.195665][ T280] ? debug_smp_processor_id+0x17/0x20 [ 32.195687][ T280] __x64_sys_pipe2+0x5a/0x70 [ 32.195714][ T280] x64_sys_call+0x258/0x9a0 [ 32.195738][ T280] do_syscall_64+0x4c/0xa0 [ 32.195760][ T280] ? clear_bhb_loop+0x30/0x80 [ 32.195777][ T280] ? clear_bhb_loop+0x30/0x80 [ 32.195795][ T280] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.195822][ T280] RIP: 0033:0x7fe771b9cfc9 [ 32.195839][ T280] 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 [ 32.195855][ T280] RSP: 002b:00007fffd5d9b008 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 32.195877][ T280] RAX: ffffffffffffffda RBX: 0000555574081f30 RCX: 00007fe771b9cfc9 [ 32.195892][ T280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fffd5d9b018 [ 32.195905][ T280] RBP: 00007fffd5d9b100 R08: 0000000000000000 R09: 0000000000000000 [ 32.195918][ T280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555574081f30 [ 32.195930][ T280] R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000000000 [ 32.195952][ T280] [ 32.209734][ T19] CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 [ 32.209759][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.209772][ T19] Workqueue: mld mld_ifc_work [ 32.209797][ T19] Call Trace: [ 32.209803][ T19] [ 32.209809][ T19] __dump_stack+0x21/0x24 [ 32.209835][ T19] dump_stack_lvl+0x110/0x170 [ 32.209858][ T19] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.209881][ T19] ? kasan_set_track+0x60/0x70 [ 32.209905][ T19] ? kasan_save_alloc_info+0x1f/0x30 [ 32.209923][ T19] ? __kasan_slab_alloc+0x72/0x80 [ 32.209947][ T19] ? slab_post_alloc_hook+0x4f/0x2d0 [ 32.209974][ T19] ? kmem_cache_alloc+0x166/0x320 [ 32.210000][ T19] dump_stack+0x15/0x24 [ 32.210022][ T19] should_fail_ex+0x3bf/0x510 [ 32.210042][ T19] __should_failslab+0xac/0xf0 [ 32.210066][ T19] should_failslab+0x9/0x20 [ 32.210086][ T19] __kmem_cache_alloc_node+0x3d/0x2d0 [ 32.210111][ T19] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.210136][ T19] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.210158][ T19] kmalloc_trace+0x29/0xb0 [ 32.210177][ T19] ref_tracker_alloc+0x16b/0x4a0 [ 32.210200][ T19] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.210226][ T19] ? slab_post_alloc_hook+0x6d/0x2d0 [ 32.210252][ T19] ? dst_alloc+0x16a/0x1e0 [ 32.210276][ T19] dst_init+0xc4/0x3d0 [ 32.210298][ T19] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.210319][ T19] dst_alloc+0x191/0x1e0 [ 32.210342][ T19] icmp6_dst_alloc+0xf8/0x510 [ 32.210371][ T19] mld_sendpack+0x623/0xda0 [ 32.210404][ T19] ? add_grec+0x13f0/0x13f0 [ 32.210423][ T19] ? memcpy+0x56/0x70 [ 32.210441][ T19] ? add_grec+0x10b/0x13f0 [ 32.210460][ T19] ? __cfi_mutex_lock+0x10/0x10 [ 32.210505][ T19] ? _raw_spin_unlock+0x4c/0x70 [ 32.210529][ T19] mld_ifc_work+0x83b/0xc20 [ 32.210558][ T19] process_one_work+0x717/0xc30 [ 32.210582][ T19] worker_thread+0xa4d/0x11d0 [ 32.210606][ T19] kthread+0x281/0x320 [ 32.210626][ T19] ? __cfi_worker_thread+0x10/0x10 [ 32.210645][ T19] ? __cfi_kthread+0x10/0x10 [ 32.210665][ T19] ret_from_fork+0x1f/0x30 [ 32.210691][ T19] [ 32.210698][ T19] memory allocation failure, unreliable refcount tracker. [ 32.225118][ T1] FAULT_INJECTION: forcing a failure. [ 32.225118][ T1] name failslab, interval 1, probability 1, space 0, times 91 [ 32.901666][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0 [ 32.908284][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.910908][ T308] FAULT_INJECTION: forcing a failure. [ 32.910908][ T308] name failslab, interval 1, probability 1, space 0, times 89 [ 32.918360][ T1] Call Trace: [ 32.918369][ T1] [ 32.918376][ T1] __dump_stack+0x21/0x24 [ 32.941614][ T1] dump_stack_lvl+0x110/0x170 [ 32.946320][ T1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.951356][ T1] ? kernel_wait4+0x203/0x2b0 [ 32.956049][ T1] ? __cfi_kernel_wait4+0x10/0x10 [ 32.961125][ T1] ? do_sigtimedwait+0x5a4/0x620 [ 32.966082][ T1] dump_stack+0x15/0x24 [ 32.970256][ T1] should_fail_ex+0x3bf/0x510 [ 32.974969][ T1] ? prepare_creds+0x2f/0x610 [ 32.979688][ T1] __should_failslab+0xac/0xf0 [ 32.984474][ T1] should_failslab+0x9/0x20 [ 32.988996][ T1] kmem_cache_alloc+0x3b/0x320 [ 32.993780][ T1] prepare_creds+0x2f/0x610 [ 32.998324][ T1] do_faccessat+0xe8/0x9b0 [ 33.002762][ T1] ? stream_open+0x60/0x60 [ 33.007198][ T1] ? debug_smp_processor_id+0x17/0x20 [ 33.012595][ T1] __x64_sys_access+0x61/0x70 [ 33.017291][ T1] x64_sys_call+0x5a0/0x9a0 [ 33.021813][ T1] do_syscall_64+0x4c/0xa0 [ 33.026251][ T1] ? clear_bhb_loop+0x30/0x80 [ 33.030939][ T1] ? clear_bhb_loop+0x30/0x80 [ 33.035633][ T1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.041552][ T1] RIP: 0033:0x7fc9cb89e2c7 [ 33.045975][ T1] Code: 0f 1f 00 8b 87 10 01 00 00 89 06 31 c0 c3 0f 1f 44 00 00 89 b7 10 01 00 00 31 c0 c3 0f 1f 80 00 00 00 00 b8 15 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 01 fb 0d 00 f7 d8 64 89 02 b8 [ 33.065686][ T1] RSP: 002b:00007ffd838fffc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 33.074111][ T1] RAX: ffffffffffffffda RBX: 00007fc9cba347a9 RCX: 00007fc9cb89e2c7 [ 33.082094][ T1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 00007fc9cba347a9 [ 33.090161][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 33.098221][ T1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 33.106209][ T1] R13: 0000000000000000 R14: 000000000000011c R15: 0000563ff5eccd98 [ 33.114197][ T1] [ 33.117235][ T308] CPU: 1 PID: 308 Comm: kworker/1:3 Not tainted syzkaller #0 [ 33.124636][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.134796][ T308] Workqueue: ipv6_addrconf addrconf_dad_work [ 33.140795][ T308] Call Trace: [ 33.144080][ T308] [ 33.147020][ T308] __dump_stack+0x21/0x24 [ 33.151364][ T308] dump_stack_lvl+0x110/0x170 [ 33.156056][ T308] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.161093][ T308] ? skb_network_protocol+0x52f/0x790 [ 33.166488][ T308] dump_stack+0x15/0x24 [ 33.170658][ T308] should_fail_ex+0x3bf/0x510 [ 33.175345][ T308] ? skb_clone+0x1e8/0x380 [ 33.179781][ T308] __should_failslab+0xac/0xf0 [ 33.184562][ T308] should_failslab+0x9/0x20 [ 33.189101][ T308] kmem_cache_alloc+0x3b/0x320 [ 33.193881][ T308] skb_clone+0x1e8/0x380 [ 33.198136][ T308] dev_queue_xmit_nit+0x245/0xab0 [ 33.203183][ T308] ? ___skb_get_hash+0x468/0x710 [ 33.208134][ T308] dev_hard_start_xmit+0x15f/0x730 [ 33.213265][ T308] sch_direct_xmit+0x279/0x9c0 [ 33.214834][ C0] FAULT_INJECTION: forcing a failure. [ 33.214834][ C0] name failslab, interval 1, probability 1, space 0, times 89 [ 33.218046][ T308] ? __kasan_check_write+0x14/0x20 [ 33.235834][ T308] ? _raw_spin_trylock+0xb7/0x150 [ 33.240879][ T308] ? __cfi_sch_direct_xmit+0x10/0x10 [ 33.246183][ T308] __dev_queue_xmit+0x163e/0x3540 [ 33.251263][ T308] ? __dev_queue_xmit+0x281/0x3540 [ 33.256391][ T308] ? ref_tracker_alloc+0x345/0x4a0 [ 33.261519][ T308] ? __cfi___dev_queue_xmit+0x10/0x10 [ 33.266911][ T308] ? __neigh_create+0x31/0x40 [ 33.271609][ T308] ? ip6_finish_output2+0xaaf/0x18b0 [ 33.276920][ T308] ? __kasan_check_write+0x14/0x20 [ 33.282053][ T308] ? _raw_write_lock_bh+0x94/0xf0 [ 33.287097][ T308] ? __cfi__raw_write_lock_bh+0x10/0x10 [ 33.292662][ T308] ? eth_header+0x119/0x1f0 [ 33.297193][ T308] ? memcpy+0x56/0x70 [ 33.301194][ T308] ? eth_header+0x119/0x1f0 [ 33.305723][ T308] neigh_resolve_output+0x6ee/0x7f0 [ 33.310972][ T308] ip6_finish_output2+0x1619/0x18b0 [ 33.316292][ T308] ? ip6t_do_table+0x1c7/0x1560 [ 33.321174][ T308] ? __cfi_ip6_finish_output2+0x10/0x10 [ 33.326739][ T308] ? ip6table_mangle_hook+0x262/0x7b0 [ 33.332128][ T308] ip6_finish_output+0x60b/0xbe0 [ 33.337087][ T308] ip6_output+0x1fa/0x410 [ 33.341433][ T308] ? __cfi_ip6_output+0x10/0x10 [ 33.346302][ T308] ? __cfi_ip6_finish_output+0x10/0x10 [ 33.351773][ T308] ? __cfi_ip6t_do_table+0x10/0x10 [ 33.356954][ T308] ndisc_send_skb+0x7c8/0xcd0 [ 33.361648][ T308] ? __cfi_ndisc_send_skb+0x10/0x10 [ 33.366855][ T308] ? __cfi_dst_output+0x10/0x10 [ 33.371718][ T308] ? memcpy+0x56/0x70 [ 33.375718][ T308] ? __ndisc_fill_addr_option+0xde/0x130 [ 33.381359][ T308] ndisc_send_rs+0x66a/0x870 [ 33.385966][ T308] addrconf_dad_completed+0x958/0xe80 [ 33.391352][ T308] ? addrconf_dad_stop+0x440/0x440 [ 33.396500][ T308] addrconf_dad_work+0xc1b/0x14a0 [ 33.401539][ T308] ? __kasan_check_write+0x14/0x20 [ 33.406674][ T308] ? __cfi_addrconf_dad_work+0x10/0x10 [ 33.412149][ T308] ? __kasan_check_write+0x14/0x20 [ 33.417271][ T308] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 33.423189][ T308] process_one_work+0x717/0xc30 [ 33.428054][ T308] worker_thread+0xa4d/0x11d0 [ 33.432746][ T308] kthread+0x281/0x320 [ 33.436829][ T308] ? __cfi_worker_thread+0x10/0x10 [ 33.441979][ T308] ? __cfi_kthread+0x10/0x10 [ 33.446588][ T308] ret_from_fork+0x1f/0x30 [ 33.451028][ T308] [ 33.454060][ C0] CPU: 0 PID: 313 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 33.461550][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.465121][ T60] FAULT_INJECTION: forcing a failure. [ 33.465121][ T60] name failslab, interval 1, probability 1, space 0, times 88 [ 33.471631][ C0] Workqueue: events_unbound toggle_allocation_gate [ 33.490813][ C0] Call Trace: [ 33.494100][ C0] [ 33.496953][ C0] __dump_stack+0x21/0x24 [ 33.501301][ C0] dump_stack_lvl+0x110/0x170 [ 33.506023][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.511065][ C0] ? detach_entity_load_avg+0x790/0x790 [ 33.516624][ C0] dump_stack+0x15/0x24 [ 33.520799][ C0] should_fail_ex+0x3bf/0x510 [ 33.525500][ C0] __should_failslab+0xac/0xf0 [ 33.530287][ C0] should_failslab+0x9/0x20 [ 33.534811][ C0] kmem_cache_alloc_node+0x42/0x330 [ 33.540030][ C0] ? __alloc_skb+0xe8/0x4a0 [ 33.544546][ C0] __alloc_skb+0xe8/0x4a0 [ 33.548888][ C0] ndisc_send_rs+0x31d/0x870 [ 33.553517][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 33.558478][ C0] addrconf_rs_timer+0x35a/0x600 [ 33.563434][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 33.569016][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.574759][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 33.580235][ C0] call_timer_fn+0x46/0x2a0 [ 33.584763][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 33.590247][ C0] __run_timers+0x646/0x9b0 [ 33.594774][ C0] ? calc_index+0x200/0x200 [ 33.599301][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 33.604528][ C0] run_timer_softirq+0x6a/0xf0 [ 33.609309][ C0] handle_softirqs+0x1d7/0x600 [ 33.614091][ C0] __irq_exit_rcu+0x52/0xf0 [ 33.618618][ C0] irq_exit_rcu+0x9/0x10 [ 33.622895][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 33.628552][ C0] [ 33.631493][ C0] [ 33.634430][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 33.640426][ C0] RIP: 0010:smp_call_function_many_cond+0x854/0x940 [ 33.647028][ C0] Code: 41 8b 1f 89 de 83 e6 01 31 ff e8 77 72 09 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 0a e8 43 6e 09 00 e9 38 ff ff ff f3 90 <41> 0f b6 44 1d 00 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 1a ff ff [ 33.666661][ C0] RSP: 0018:ffffc9000dc2f840 EFLAGS: 00000293 [ 33.672744][ C0] RAX: ffffffff8167f820 RBX: dffffc0000000000 RCX: ffff88810fa9e540 [ 33.680814][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 33.688817][ C0] RBP: ffffc9000dc2f978 R08: ffff8881f6e390d7 R09: 1ffff1103edc721a [ 33.696805][ C0] R10: 0000000000000000 R11: ffffffff8134b650 R12: 1ffff1103edc7218 [ 33.704804][ C0] R13: 1ffff1103ede78a5 R14: 0000000000000001 R15: ffff8881f6f3c528 [ 33.712785][ C0] ? __cfi_x2apic_send_IPI+0x10/0x10 [ 33.718096][ C0] ? smp_call_function_many_cond+0x870/0x940 [ 33.724096][ C0] ? __cfi_do_sync_core+0x10/0x10 [ 33.729154][ C0] ? smp_call_function_many+0x40/0x40 [ 33.734562][ C0] ? kmem_cache_alloc_bulk+0xf8/0x3c0 [ 33.740000][ C0] ? text_poke+0x30/0x30 [ 33.744269][ C0] ? text_poke_loc_init+0x105/0x560 [ 33.749505][ C0] ? __cfi_do_sync_core+0x10/0x10 [ 33.754544][ C0] on_each_cpu_cond_mask+0x43/0x80 [ 33.759676][ C0] text_poke_bp_batch+0x1cf/0x600 [ 33.764722][ C0] ? text_poke_loc_init+0x560/0x560 [ 33.769969][ C0] ? __kasan_check_write+0x14/0x20 [ 33.775100][ C0] ? mutex_lock+0x93/0x1b0 [ 33.779556][ C0] ? __cfi_mutex_lock+0x10/0x10 [ 33.784427][ C0] ? text_poke_queue+0xde/0x1a0 [ 33.789286][ C0] text_poke_finish+0x1a/0x30 [ 33.793995][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 33.800026][ C0] __jump_label_update+0x38f/0x3b0 [ 33.805178][ C0] jump_label_update+0x39b/0x450 [ 33.810146][ C0] static_key_enable_cpuslocked+0x126/0x240 [ 33.816071][ C0] static_key_enable+0x1a/0x30 [ 33.820907][ C0] toggle_allocation_gate+0xba/0x440 [ 33.826224][ C0] ? __cfi_toggle_allocation_gate+0x10/0x10 [ 33.832152][ C0] ? _raw_spin_unlock+0x4c/0x70 [ 33.837026][ C0] ? finish_task_switch+0x16b/0x7c0 [ 33.842426][ C0] ? __schedule+0xbea/0x14b0 [ 33.847106][ C0] process_one_work+0x717/0xc30 [ 33.852028][ C0] worker_thread+0xa4d/0x11d0 [ 33.856739][ C0] kthread+0x281/0x320 [ 33.860832][ C0] ? __cfi_worker_thread+0x10/0x10 [ 33.865966][ C0] ? __cfi_kthread+0x10/0x10 [ 33.870584][ C0] ret_from_fork+0x1f/0x30 [ 33.875023][ C0] [ 33.878063][ T60] CPU: 1 PID: 60 Comm: kworker/1:2 Not tainted syzkaller #0 [ 33.879915][ C0] FAULT_INJECTION: forcing a failure. [ 33.879915][ C0] name failslab, interval 1, probability 1, space 0, times 87 [ 33.885383][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.885399][ T60] Workqueue: wg-crypt-wg0 wg_packet_tx_worker [ 33.914234][ T60] Call Trace: [ 33.917530][ T60] [ 33.920487][ T60] __dump_stack+0x21/0x24 [ 33.924867][ T60] dump_stack_lvl+0x110/0x170 [ 33.929573][ T60] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.934622][ T60] ? skb_network_protocol+0x52f/0x790 [ 33.940027][ T60] dump_stack+0x15/0x24 [ 33.944202][ T60] should_fail_ex+0x3bf/0x510 [ 33.948896][ T60] ? skb_clone+0x1e8/0x380 [ 33.953336][ T60] __should_failslab+0xac/0xf0 [ 33.958122][ T60] should_failslab+0x9/0x20 [ 33.962660][ T60] kmem_cache_alloc+0x3b/0x320 [ 33.967453][ T60] skb_clone+0x1e8/0x380 [ 33.971716][ T60] dev_queue_xmit_nit+0x245/0xab0 [ 33.976787][ T60] dev_hard_start_xmit+0x15f/0x730 [ 33.981943][ T60] __dev_queue_xmit+0x1989/0x3540 [ 33.987014][ T60] ? __dev_queue_xmit+0x281/0x3540 [ 33.992153][ T60] ? fib6_table_lookup+0x30b/0x970 [ 33.997291][ T60] ? __cfi___dev_queue_xmit+0x10/0x10 [ 34.002703][ T60] ? __local_bh_enable_ip+0x58/0x80 [ 34.007936][ T60] ? ip6t_do_table+0x13a7/0x1560 [ 34.012903][ T60] ? __kasan_check_read+0x11/0x20 [ 34.017951][ T60] ? selinux_ip_postroute+0x28c/0x1000 [ 34.023480][ T60] ? memcpy+0x56/0x70 [ 34.027491][ T60] ip6_finish_output2+0x15d2/0x18b0 [ 34.032724][ T60] ? ip6t_do_table+0x1c7/0x1560 [ 34.037627][ T60] ? __cfi_ip6_finish_output2+0x10/0x10 [ 34.043202][ T60] ? ip6table_mangle_hook+0x262/0x7b0 [ 34.048622][ T60] ip6_finish_output+0x60b/0xbe0 [ 34.053591][ T60] ip6_output+0x1fa/0x410 [ 34.057955][ T60] ? __cfi_ip6_output+0x10/0x10 [ 34.062831][ T60] ? __cfi_ip6_finish_output+0x10/0x10 [ 34.068320][ T60] ? __cfi_ip6t_do_table+0x10/0x10 [ 34.073471][ T60] ip6_local_out+0x211/0x3d0 [ 34.078085][ T60] ? __cfi_ip6_local_out+0x10/0x10 [ 34.083226][ T60] ? __cfi_dst_output+0x10/0x10 [ 34.088106][ T60] ? udp6_set_csum+0x9ab/0xf10 [ 34.092894][ T60] udp_tunnel6_xmit_skb+0x4d4/0x900 [ 34.098131][ T60] send6+0x49c/0x690 [ 34.102055][ T60] ? __kasan_check_write+0x14/0x20 [ 34.107203][ T60] ? send6+0x229/0x690 [ 34.111307][ T60] ? send4+0x9d0/0x9d0 [ 34.115439][ T60] wg_socket_send_skb_to_peer+0x114/0x1d0 [ 34.121198][ T60] wg_packet_tx_worker+0x1ce/0x500 [ 34.126338][ T60] process_one_work+0x717/0xc30 [ 34.131220][ T60] worker_thread+0xa4d/0x11d0 [ 34.135932][ T60] kthread+0x281/0x320 [ 34.140022][ T60] ? __cfi_worker_thread+0x10/0x10 [ 34.145153][ T60] ? __cfi_kthread+0x10/0x10 [ 34.149771][ T60] ret_from_fork+0x1f/0x30 [ 34.154236][ T60] [ 34.157296][ C0] CPU: 0 PID: 313 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 34.164826][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.174961][ C0] Workqueue: events_unbound toggle_allocation_gate [ 34.175690][ T308] FAULT_INJECTION: forcing a failure. [ 34.175690][ T308] name failslab, interval 1, probability 1, space 0, times 86 [ 34.181574][ C0] Call Trace: [ 34.181587][ C0] [ 34.181600][ C0] __dump_stack+0x21/0x24 [ 34.181638][ C0] dump_stack_lvl+0x110/0x170 [ 34.210065][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.215128][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 34.220998][ C0] ? ref_tracker_alloc+0x345/0x4a0 [ 34.226146][ C0] dump_stack+0x15/0x24 [ 34.230335][ C0] should_fail_ex+0x3bf/0x510 [ 34.235032][ C0] __should_failslab+0xac/0xf0 [ 34.239832][ C0] should_failslab+0x9/0x20 [ 34.244359][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 34.249766][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 34.255345][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 34.260919][ C0] kmalloc_trace+0x29/0xb0 [ 34.265361][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 34.270761][ C0] icmp6_dst_alloc+0x389/0x510 [ 34.275558][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 34.280257][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 34.285479][ C0] ? memcpy+0x56/0x70 [ 34.289493][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 34.295148][ C0] ndisc_send_rs+0x66a/0x870 [ 34.299782][ C0] addrconf_rs_timer+0x35a/0x600 [ 34.304755][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.310260][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.315753][ C0] call_timer_fn+0x46/0x2a0 [ 34.320285][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.325767][ C0] __run_timers+0x646/0x9b0 [ 34.330318][ C0] ? calc_index+0x200/0x200 [ 34.334851][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 34.340096][ C0] run_timer_softirq+0x6a/0xf0 [ 34.344922][ C0] handle_softirqs+0x1d7/0x600 [ 34.346869][ T92] FAULT_INJECTION: forcing a failure. [ 34.346869][ T92] name failslab, interval 1, probability 1, space 0, times 86 [ 34.349726][ C0] __irq_exit_rcu+0x52/0xf0 [ 34.367047][ C0] irq_exit_rcu+0x9/0x10 [ 34.371345][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 34.377065][ C0] [ 34.380023][ C0] [ 34.382975][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 34.384865][ C1] FAULT_INJECTION: forcing a failure. [ 34.384865][ C1] name failslab, interval 1, probability 1, space 0, times 86 [ 34.388984][ C0] RIP: 0010:smp_call_function_many_cond+0x854/0x940 [ 34.408264][ C0] Code: 41 8b 1f 89 de 83 e6 01 31 ff e8 77 72 09 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 0a e8 43 6e 09 00 e9 38 ff ff ff f3 90 <41> 0f b6 44 1d 00 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 1a ff ff [ 34.427893][ C0] RSP: 0018:ffffc9000dc2f840 EFLAGS: 00000293 [ 34.433983][ C0] RAX: ffffffff8167f820 RBX: dffffc0000000000 RCX: ffff88810fa9e540 [ 34.441974][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 34.449971][ C0] RBP: ffffc9000dc2f978 R08: ffff8881f6e390d7 R09: 1ffff1103edc721a [ 34.457971][ C0] R10: 0000000000000000 R11: ffffffff8134b650 R12: 1ffff1103edc7218 [ 34.465964][ C0] R13: 1ffff1103ede78a5 R14: 0000000000000001 R15: ffff8881f6f3c528 [ 34.473961][ C0] ? __cfi_x2apic_send_IPI+0x10/0x10 [ 34.479279][ C0] ? smp_call_function_many_cond+0x870/0x940 [ 34.485285][ C0] ? __cfi_do_sync_core+0x10/0x10 [ 34.490332][ C0] ? smp_call_function_many+0x40/0x40 [ 34.495809][ C0] ? kmem_cache_alloc_bulk+0xf8/0x3c0 [ 34.501208][ C0] ? text_poke+0x30/0x30 [ 34.505506][ C0] ? text_poke_loc_init+0x105/0x560 [ 34.510730][ C0] ? __cfi_do_sync_core+0x10/0x10 [ 34.515785][ C0] on_each_cpu_cond_mask+0x43/0x80 [ 34.520921][ C0] text_poke_bp_batch+0x1cf/0x600 [ 34.525972][ C0] ? text_poke_loc_init+0x560/0x560 [ 34.531196][ C0] ? __kasan_check_write+0x14/0x20 [ 34.536324][ C0] ? mutex_lock+0x93/0x1b0 [ 34.540768][ C0] ? __cfi_mutex_lock+0x10/0x10 [ 34.545658][ C0] ? text_poke_queue+0xde/0x1a0 [ 34.550557][ C0] text_poke_finish+0x1a/0x30 [ 34.555315][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 34.561344][ C0] __jump_label_update+0x38f/0x3b0 [ 34.566509][ C0] jump_label_update+0x39b/0x450 [ 34.571471][ C0] static_key_enable_cpuslocked+0x126/0x240 [ 34.577397][ C0] static_key_enable+0x1a/0x30 [ 34.582187][ C0] toggle_allocation_gate+0xba/0x440 [ 34.587499][ C0] ? __cfi_toggle_allocation_gate+0x10/0x10 [ 34.593424][ C0] ? _raw_spin_unlock+0x4c/0x70 [ 34.598303][ C0] ? finish_task_switch+0x16b/0x7c0 [ 34.603534][ C0] ? __schedule+0xbea/0x14b0 [ 34.608151][ C0] process_one_work+0x717/0xc30 [ 34.613040][ C0] worker_thread+0xa4d/0x11d0 [ 34.617749][ C0] kthread+0x281/0x320 [ 34.621839][ C0] ? __cfi_worker_thread+0x10/0x10 [ 34.627064][ C0] ? __cfi_kthread+0x10/0x10 [ 34.631679][ C0] ret_from_fork+0x1f/0x30 [ 34.636125][ C0] [ 34.639162][ C1] CPU: 1 PID: 308 Comm: kworker/1:3 Not tainted syzkaller #0 [ 34.646578][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.656670][ C1] Workqueue: mld mld_ifc_work [ 34.661395][ C1] Call Trace: [ 34.664706][ C1] [ 34.667579][ C1] __dump_stack+0x21/0x24 [ 34.671954][ C1] dump_stack_lvl+0x110/0x170 [ 34.676677][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.681745][ C1] ? stack_trace_save+0xa6/0xf0 [ 34.686445][ T19] FAULT_INJECTION: forcing a failure. [ 34.686445][ T19] name failslab, interval 1, probability 1, space 0, times 85 [ 34.686657][ C1] dump_stack+0x15/0x24 [ 34.703506][ C1] should_fail_ex+0x3bf/0x510 [ 34.708234][ C1] ? dst_alloc+0x16a/0x1e0 [ 34.712681][ C1] __should_failslab+0xac/0xf0 [ 34.717478][ C1] should_failslab+0x9/0x20 [ 34.722006][ C1] kmem_cache_alloc+0x3b/0x320 [ 34.726806][ C1] ? handle_softirqs+0x1d7/0x600 [ 34.731774][ C1] ? __irq_exit_rcu+0x52/0xf0 [ 34.736473][ C1] ? __cfi_ip6_dst_gc+0x10/0x10 [ 34.741348][ C1] dst_alloc+0x16a/0x1e0 [ 34.745619][ C1] icmp6_dst_alloc+0xf8/0x510 [ 34.750423][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 34.755126][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 34.760353][ C1] ? skb_put+0x10a/0x1f0 [ 34.764628][ C1] ndisc_send_rs+0x66a/0x870 [ 34.769247][ C1] addrconf_rs_timer+0x35a/0x600 [ 34.774217][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.779712][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.785204][ C1] call_timer_fn+0x46/0x2a0 [ 34.789743][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 34.795255][ C1] __run_timers+0x646/0x9b0 [ 34.799791][ C1] ? calc_index+0x200/0x200 [ 34.804328][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 34.809559][ C1] run_timer_softirq+0x6a/0xf0 [ 34.814362][ C1] handle_softirqs+0x1d7/0x600 [ 34.819168][ C1] __irq_exit_rcu+0x52/0xf0 [ 34.823713][ C1] irq_exit_rcu+0x9/0x10 [ 34.827989][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 34.833658][ C1] [ 34.836601][ C1] [ 34.839551][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 34.845555][ C1] RIP: 0010:kasan_check_range+0x18/0x2a0 [ 34.851216][ C1] Code: 00 cc 90 90 90 90 90 90 90 90 90 90 90 b8 bf f3 05 3b b0 01 48 85 f6 0f 84 c0 01 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <49> 89 f8 49 01 f0 0f 82 1d 02 00 00 49 89 f8 49 c1 e8 2f 41 81 f8 [ 34.870851][ C1] RSP: 0018:ffffc9000dbdf868 EFLAGS: 00000202 [ 34.876945][ C1] RAX: ffffffff8157d401 RBX: ffffffff860afda0 RCX: ffffffff8157d43c [ 34.885014][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 34.893088][ C1] RBP: ffffc9000dbdf890 R08: 0000000000000003 R09: 0000000000000004 [ 34.901071][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 34.909054][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92001b7bf18 [ 34.917039][ C1] ? kmsg_dump_rewind+0xa1/0xb0 [ 34.921922][ C1] ? __printk_cpu_sync_wait+0x1c/0x40 [ 34.927321][ C1] __kasan_check_read+0x11/0x20 [ 34.932186][ C1] __printk_cpu_sync_wait+0x1c/0x40 [ 34.937409][ C1] dump_stack_lvl+0xce/0x170 [ 34.942100][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.947145][ C1] ? __mutex_unlock_slowpath+0x298/0x3f0 [ 34.952800][ C1] ? mutex_unlock+0x230/0x230 [ 34.957496][ C1] ? __local_bh_enable_ip+0x58/0x80 [ 34.962710][ C1] dump_stack+0x15/0x24 [ 34.966889][ C1] should_fail_ex+0x3bf/0x510 [ 34.971582][ C1] __should_failslab+0xac/0xf0 [ 34.976386][ C1] should_failslab+0x9/0x20 [ 34.980907][ C1] kmem_cache_alloc_node+0x42/0x330 [ 34.986132][ C1] ? __alloc_skb+0xe8/0x4a0 [ 34.990667][ C1] __alloc_skb+0xe8/0x4a0 [ 34.995019][ C1] mld_newpack+0x143/0xa30 [ 34.999458][ C1] ? addrconf_dad_completed+0xbd9/0xe80 [ 35.005020][ C1] ? mld_sendpack+0xda0/0xda0 [ 35.009719][ C1] ? addrconf_dad_stop+0x440/0x440 [ 35.014856][ C1] add_grec+0xf26/0x13f0 [ 35.019122][ C1] ? __kasan_check_write+0x14/0x20 [ 35.024249][ C1] ? mutex_lock+0x93/0x1b0 [ 35.028696][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 35.033577][ C1] mld_ifc_work+0x782/0xc20 [ 35.038096][ C1] process_one_work+0x717/0xc30 [ 35.042963][ C1] worker_thread+0xa4d/0x11d0 [ 35.047746][ C1] kthread+0x281/0x320 [ 35.051834][ C1] ? __cfi_worker_thread+0x10/0x10 [ 35.056985][ C1] ? __cfi_kthread+0x10/0x10 [ 35.061605][ C1] ret_from_fork+0x1f/0x30 [ 35.066044][ C1] [ 35.069074][ T19] CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 [ 35.076436][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.086516][ T19] Workqueue: ipv6_addrconf addrconf_dad_work [ 35.092523][ T19] Call Trace: [ 35.095813][ T19] [ 35.098760][ T19] __dump_stack+0x21/0x24 [ 35.103156][ T19] dump_stack_lvl+0x110/0x170 [ 35.107859][ T19] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.112903][ T19] ? fib6_add+0x9b6/0x3dd0 [ 35.117364][ T19] ? addrconf_dad_work+0xc1b/0x14a0 [ 35.122578][ T19] ? worker_thread+0xa4d/0x11d0 [ 35.127446][ T19] ? kthread+0x281/0x320 [ 35.131728][ T19] ? ret_from_fork+0x1f/0x30 [ 35.136345][ T19] dump_stack+0x15/0x24 [ 35.140521][ T19] should_fail_ex+0x3bf/0x510 [ 35.145222][ T19] __should_failslab+0xac/0xf0 [ 35.150029][ T19] should_failslab+0x9/0x20 [ 35.154632][ T19] kmem_cache_alloc_node+0x42/0x330 [ 35.159853][ T19] ? __alloc_skb+0xe8/0x4a0 [ 35.164391][ T19] __alloc_skb+0xe8/0x4a0 [ 35.168735][ T19] inet6_rt_notify+0x34d/0x520 [ 35.173528][ T19] ? atomic_notifier_call_chain+0x108/0x120 [ 35.179449][ T19] ? __cfi_inet6_rt_notify+0x10/0x10 [ 35.184747][ T19] ? call_fib_notifiers+0xa0/0xc0 [ 35.189822][ T19] fib6_add+0x2254/0x3dd0 [ 35.194175][ T19] ? kfree_skbmem+0x10c/0x180 [ 35.198877][ T19] ? __cfi_fib6_add+0x10/0x10 [ 35.203577][ T19] ? __kasan_check_write+0x14/0x20 [ 35.208712][ T19] ? _raw_spin_lock_bh+0x94/0xf0 [ 35.213758][ T19] ip6_ins_rt+0xd3/0x130 [ 35.218024][ T19] ? __cfi_ip6_ins_rt+0x10/0x10 [ 35.222894][ T19] ? nlmsg_notify+0x13f/0x1a0 [ 35.227586][ T19] ? rtnl_notify+0x9a/0xc0 [ 35.232018][ T19] __ipv6_ifa_notify+0x4e4/0xe80 [ 35.236987][ T19] ? snmp6_fill_stats+0x6c0/0x6c0 [ 35.242026][ T19] ? __local_bh_enable_ip+0x58/0x80 [ 35.247238][ T19] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 35.254030][ T19] ? __kasan_check_write+0x14/0x20 [ 35.259170][ T19] ? try_to_grab_pending+0x1a4/0x580 [ 35.264478][ T19] ? mod_delayed_work_on+0xe0/0xe0 [ 35.269615][ T19] ? __cfi_fib6_clean_node+0x10/0x10 [ 35.274924][ T19] ? __kasan_check_write+0x14/0x20 [ 35.280052][ T19] ? __cancel_work+0x198/0x200 [ 35.284870][ T19] addrconf_dad_completed+0x192/0xe80 [ 35.290279][ T19] ? addrconf_dad_stop+0x440/0x440 [ 35.295491][ T19] ? mod_delayed_work_on+0xa8/0xe0 [ 35.300624][ T19] addrconf_dad_work+0xc1b/0x14a0 [ 35.305666][ T19] ? __cfi_addrconf_dad_work+0x10/0x10 [ 35.311145][ T19] ? __kasan_check_write+0x14/0x20 [ 35.316279][ T19] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 35.322190][ T19] process_one_work+0x717/0xc30 [ 35.327068][ T19] worker_thread+0xa4d/0x11d0 [ 35.331766][ T19] kthread+0x281/0x320 [ 35.335853][ T19] ? __cfi_worker_thread+0x10/0x10 [ 35.340974][ T19] ? __cfi_kthread+0x10/0x10 [ 35.345578][ T19] ret_from_fork+0x1f/0x30 [ 35.350018][ T19] [ 35.353421][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 35.360316][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.365457][ C0] FAULT_INJECTION: forcing a failure. [ 35.365457][ C0] name failslab, interval 1, probability 1, space 0, times 82 [ 35.370395][ T92] Call Trace: [ 35.370404][ T92] [ 35.389298][ T92] __dump_stack+0x21/0x24 [ 35.393652][ T92] dump_stack_lvl+0x110/0x170 [ 35.398343][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.403383][ T92] dump_stack+0x15/0x24 [ 35.407564][ T92] should_fail_ex+0x3bf/0x510 [ 35.412259][ T92] __should_failslab+0xac/0xf0 [ 35.417044][ T92] should_failslab+0x9/0x20 [ 35.421567][ T92] kmem_cache_alloc_node+0x42/0x330 [ 35.426791][ T92] ? __alloc_skb+0xe8/0x4a0 [ 35.431309][ T92] __alloc_skb+0xe8/0x4a0 [ 35.435658][ T92] alloc_skb_with_frags+0xa8/0x620 [ 35.440779][ T92] ? memcpy+0x56/0x70 [ 35.444778][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 35.450006][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 35.455739][ T92] ? __kasan_check_write+0x14/0x20 [ 35.460862][ T92] ? _raw_spin_lock+0x94/0xf0 [ 35.465567][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 35.470871][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 35.476017][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 35.481581][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 35.487500][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 35.493071][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 35.498549][ T92] __sys_sendto+0x4ac/0x660 [ 35.503072][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 35.508119][ T92] ? __cfi_do_syslog+0x10/0x10 [ 35.512902][ T92] ? __sys_connect+0x267/0x460 [ 35.517785][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 35.523370][ T92] ? xfd_validate_state+0x70/0x150 [ 35.528516][ T92] __x64_sys_sendto+0xe5/0x100 [ 35.533397][ T92] x64_sys_call+0x83/0x9a0 [ 35.537845][ T92] do_syscall_64+0x4c/0xa0 [ 35.542300][ T92] ? clear_bhb_loop+0x30/0x80 [ 35.547004][ T92] ? clear_bhb_loop+0x30/0x80 [ 35.552412][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.558352][ T92] RIP: 0033:0x7f41382a9407 [ 35.562792][ T92] 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 [ 35.582419][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 35.590856][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 35.598850][ T92] RDX: 000000000000005b RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 35.606836][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 35.614834][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 35.622832][ T92] R13: 00007ffec5adc290 R14: 0000000000000040 R15: 00007ffec5adc290 [ 35.630824][ T92] [ 35.633854][ C0] CPU: 0 PID: 222 Comm: kworker/0:2 Not tainted syzkaller #0 [ 35.641260][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.651441][ C0] Workqueue: wg-crypt-wg0 wg_packet_tx_worker [ 35.657548][ C0] Call Trace: [ 35.660860][ C0] [ 35.663720][ C0] __dump_stack+0x21/0x24 [ 35.668090][ C0] dump_stack_lvl+0x110/0x170 [ 35.672882][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.677964][ C0] dump_stack+0x15/0x24 [ 35.682154][ C0] should_fail_ex+0x3bf/0x510 [ 35.686856][ C0] ? skb_clone+0x1e8/0x380 [ 35.691293][ C0] __should_failslab+0xac/0xf0 [ 35.696074][ C0] should_failslab+0x9/0x20 [ 35.700693][ C0] kmem_cache_alloc+0x3b/0x320 [ 35.705490][ C0] ? kfree_skbmem+0x10c/0x180 [ 35.710191][ C0] skb_clone+0x1e8/0x380 [ 35.714456][ C0] packet_rcv+0x616/0x1510 [ 35.718919][ C0] ? __cfi_packet_rcv+0x10/0x10 [ 35.723917][ C0] __netif_receive_skb_core+0x2839/0x3580 [ 35.729677][ C0] ? qdisc_run+0x240/0x240 [ 35.734120][ C0] ? ipv6_rcv+0xed/0x230 [ 35.738382][ C0] ? __cfi_ipv6_rcv+0x10/0x10 [ 35.743089][ C0] ? trigger_load_balance+0x1fd/0x930 [ 35.748513][ C0] ? __cfi_ip6_rcv_finish+0x10/0x10 [ 35.753752][ C0] ? __kasan_check_write+0x14/0x20 [ 35.758893][ C0] __netif_receive_skb+0x72/0x2a0 [ 35.763962][ C0] process_backlog+0x351/0x600 [ 35.768761][ C0] __napi_poll+0xcd/0x5d0 [ 35.773122][ C0] net_rx_action+0x4a3/0xa90 [ 35.777849][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 35.782999][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 35.788243][ C0] ? irqtime_account_irq+0x75/0x240 [ 35.793478][ C0] handle_softirqs+0x1d7/0x600 [ 35.798273][ C0] __do_softirq+0xb/0xd [ 35.802453][ C0] do_softirq+0xdc/0x130 [ 35.806722][ C0] [ 35.809672][ C0] [ 35.812704][ C0] ? __cfi_do_softirq+0x10/0x10 [ 35.817587][ C0] __local_bh_enable_ip+0x75/0x80 [ 35.822637][ C0] _raw_read_unlock_bh+0x29/0x30 [ 35.827603][ C0] wg_socket_send_skb_to_peer+0x172/0x1d0 [ 35.833352][ C0] wg_packet_tx_worker+0x1ce/0x500 [ 35.838493][ C0] process_one_work+0x717/0xc30 [ 35.843392][ C0] worker_thread+0xa4d/0x11d0 [ 35.848097][ C0] kthread+0x281/0x320 [ 35.852183][ C0] ? __cfi_worker_thread+0x10/0x10 [ 35.857311][ C0] ? __cfi_kthread+0x10/0x10 [ 35.861931][ C0] ret_from_fork+0x1f/0x30 [ 35.866377][ C0] [ 35.869417][ T308] CPU: 1 PID: 308 Comm: kworker/1:3 Not tainted syzkaller #0 [ 35.876834][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.887008][ T308] Workqueue: mld mld_ifc_work [ 35.891722][ T308] Call Trace: [ 35.895026][ T308] [ 35.897975][ T308] __dump_stack+0x21/0x24 [ 35.902334][ T308] dump_stack_lvl+0x110/0x170 [ 35.907041][ T308] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.912099][ T308] ? __mutex_unlock_slowpath+0x298/0x3f0 [ 35.917775][ T308] ? mutex_unlock+0x230/0x230 [ 35.922485][ T308] ? __local_bh_enable_ip+0x58/0x80 [ 35.927721][ T308] dump_stack+0x15/0x24 [ 35.931968][ T308] should_fail_ex+0x3bf/0x510 [ 35.936684][ T308] __should_failslab+0xac/0xf0 [ 35.941498][ T308] should_failslab+0x9/0x20 [ 35.946051][ T308] kmem_cache_alloc_node+0x42/0x330 [ 35.951281][ T308] ? __alloc_skb+0xe8/0x4a0 [ 35.955814][ T308] __alloc_skb+0xe8/0x4a0 [ 35.960176][ T308] mld_newpack+0x143/0xa30 [ 35.964630][ T308] ? addrconf_dad_completed+0xbd9/0xe80 [ 35.970294][ T308] ? mld_sendpack+0xda0/0xda0 [ 35.975000][ T308] ? addrconf_dad_stop+0x440/0x440 [ 35.980138][ T308] add_grec+0xf26/0x13f0 [ 35.984408][ T308] ? __kasan_check_write+0x14/0x20 [ 35.989554][ T308] ? mutex_lock+0x93/0x1b0 [ 35.994002][ T308] ? __cfi_mutex_lock+0x10/0x10 [ 35.998890][ T308] mld_ifc_work+0x782/0xc20 [ 36.003417][ T308] process_one_work+0x717/0xc30 [ 36.008292][ T308] worker_thread+0xa4d/0x11d0 [ 36.012995][ T308] kthread+0x281/0x320 [ 36.017102][ T308] ? __cfi_worker_thread+0x10/0x10 [ 36.022242][ T308] ? __cfi_kthread+0x10/0x10 [ 36.026858][ T308] ret_from_fork+0x1f/0x30 [ 36.031305][ T308] [ 36.035659][ T325] FAULT_INJECTION: forcing a failure. [ 36.035659][ T325] name failslab, interval 1, probability 1, space 0, times 81 [ 36.066249][ T288] FAULT_INJECTION: forcing a failure. [ 36.066249][ T288] name failslab, interval 1, probability 1, space 0, times 80 [ 36.083675][ T325] CPU: 1 PID: 325 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 36.091192][ T325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.101280][ T325] Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker [ 36.108258][ T325] Call Trace: [ 36.111558][ T325] [ 36.114504][ T325] __dump_stack+0x21/0x24 [ 36.118851][ T325] dump_stack_lvl+0x110/0x170 [ 36.123566][ T325] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.128606][ T325] ? debug_smp_processor_id+0x17/0x20 [ 36.133991][ T325] ? get_nohz_timer_target+0x7a/0x560 [ 36.139391][ T325] dump_stack+0x15/0x24 [ 36.143569][ T325] should_fail_ex+0x3bf/0x510 [ 36.148276][ T325] __should_failslab+0xac/0xf0 [ 36.153056][ T325] should_failslab+0x9/0x20 [ 36.157577][ T325] kmem_cache_alloc_node+0x42/0x330 [ 36.162792][ T325] ? __alloc_skb+0xe8/0x4a0 [ 36.167309][ T325] __alloc_skb+0xe8/0x4a0 [ 36.171654][ T325] wg_socket_send_buffer_to_peer+0x37/0x170 [ 36.177572][ T325] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 36.183658][ T325] wg_packet_handshake_send_worker+0x200/0x290 [ 36.189845][ T325] ? __cfi_wg_packet_handshake_send_worker+0x10/0x10 [ 36.196544][ T325] ? _raw_spin_lock_irq+0x95/0xf0 [ 36.201607][ T325] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.207179][ T325] ? try_to_wake_up+0x622/0x1250 [ 36.212132][ T325] process_one_work+0x717/0xc30 [ 36.216998][ T325] worker_thread+0xa4d/0x11d0 [ 36.221697][ T325] kthread+0x281/0x320 [ 36.225803][ T325] ? __cfi_worker_thread+0x10/0x10 [ 36.230929][ T325] ? __cfi_kthread+0x10/0x10 [ 36.235535][ T325] ret_from_fork+0x1f/0x30 [ 36.239978][ T325] [ 36.243271][ T288] CPU: 0 PID: 288 Comm: syz-executor Not tainted syzkaller #0 [ 36.250812][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.260887][ T288] Call Trace: [ 36.264183][ T288] [ 36.267130][ T288] __dump_stack+0x21/0x24 [ 36.271489][ T288] dump_stack_lvl+0x110/0x170 [ 36.276271][ T288] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.281310][ T288] dump_stack+0x15/0x24 [ 36.285485][ T288] should_fail_ex+0x3bf/0x510 [ 36.290174][ T288] __should_failslab+0xac/0xf0 [ 36.294961][ T288] should_failslab+0x9/0x20 [ 36.299473][ T288] kmem_cache_alloc_node+0x42/0x330 [ 36.304693][ T288] ? __alloc_skb+0xe8/0x4a0 [ 36.309235][ T288] ? __kasan_slab_free+0x11/0x20 [ 36.314188][ T288] __alloc_skb+0xe8/0x4a0 [ 36.318527][ T288] inet_netconf_notify_devconf+0x169/0x220 [ 36.324352][ T288] inetdev_event+0x80a/0x10a0 [ 36.329129][ T288] ? __cfi_inetdev_event+0x10/0x10 [ 36.334258][ T288] ? arp_netdev_event+0xd4/0x2b0 [ 36.339219][ T288] raw_notifier_call_chain+0xa1/0x110 [ 36.344601][ T288] unregister_netdevice_many+0x104a/0x1910 [ 36.350431][ T288] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 36.356630][ T288] ? __queue_delayed_work+0x173/0x200 [ 36.362128][ T288] ? queue_delayed_work_on+0x10d/0x160 [ 36.367614][ T288] ? linkwatch_fire_event+0x1dc/0x240 [ 36.373011][ T288] ? __kasan_check_read+0x11/0x20 [ 36.378048][ T288] unregister_netdevice_queue+0x2e1/0x320 [ 36.383786][ T288] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 36.390157][ T288] ? linkwatch_fire_event+0x208/0x240 [ 36.395562][ T288] __tun_detach+0xc9d/0x1450 [ 36.400180][ T288] tun_chr_close+0x92/0x140 [ 36.404709][ T288] ? __cfi_tun_chr_close+0x10/0x10 [ 36.409835][ T288] __fput+0x1fd/0x8f0 [ 36.413835][ T288] ____fput+0x15/0x20 [ 36.417831][ T288] task_work_run+0x1e1/0x250 [ 36.422436][ T288] ? __cfi_task_work_run+0x10/0x10 [ 36.427564][ T288] ? free_nsproxy+0x21f/0x270 [ 36.432266][ T288] do_exit+0xaf2/0x2850 [ 36.436441][ T288] ? __cfi_do_exit+0x10/0x10 [ 36.441054][ T288] ? cleanup_mnt+0x49b/0x4e0 [ 36.445657][ T288] ? __kasan_check_write+0x14/0x20 [ 36.450782][ T288] ? _raw_spin_lock_irq+0x95/0xf0 [ 36.455824][ T288] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.461400][ T288] do_group_exit+0x21b/0x2e0 [ 36.466008][ T288] ? __kasan_check_write+0x14/0x20 [ 36.471132][ T288] ? recalc_sigpending+0x180/0x1c0 [ 36.476266][ T288] get_signal+0x167c/0x1700 [ 36.480798][ T288] ? task_work_add+0x2cb/0x330 [ 36.485574][ T288] ? __cfi_get_signal+0x10/0x10 [ 36.490442][ T288] ? mnt_get_count+0x1bc/0x1d0 [ 36.495218][ T288] arch_do_signal_or_restart+0xd1/0x11c0 [ 36.500969][ T288] ? mntput+0xc0/0xc0 [ 36.505057][ T288] ? path_umount+0x345/0xf60 [ 36.509661][ T288] ? __kasan_slab_free+0x11/0x20 [ 36.514618][ T288] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 36.520791][ T288] ? user_path_at_empty+0x162/0x1c0 [ 36.526008][ T288] ? __cfi_path_umount+0x10/0x10 [ 36.531049][ T288] ? __x64_sys_umount+0x12d/0x170 [ 36.536090][ T288] ? __cfi___x64_sys_umount+0x10/0x10 [ 36.541480][ T288] exit_to_user_mode_loop+0x7a/0xb0 [ 36.546700][ T288] exit_to_user_mode_prepare+0x87/0xd0 [ 36.552174][ T288] syscall_exit_to_user_mode+0x1a/0x30 [ 36.557644][ T288] do_syscall_64+0x58/0xa0 [ 36.562120][ T288] ? clear_bhb_loop+0x30/0x80 [ 36.566810][ T288] ? clear_bhb_loop+0x30/0x80 [ 36.571496][ T288] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.577416][ T288] RIP: 0033:0x7f0baa19f1d7 [ 36.581848][ T288] Code: Unable to access opcode bytes at 0x7f0baa19f1ad. [ 36.589048][ T288] RSP: 002b:00007ffc18391818 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 36.597466][ T288] RAX: 0000000000000000 RBX: 00007f0baa234314 RCX: 00007f0baa19f1d7 [ 36.605449][ T288] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc183918d0 [ 36.613444][ T288] RBP: 00007ffc183918d0 R08: 00007ffc183928d0 R09: 00000000ffffffff [ 36.621461][ T288] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc18392960 [ 36.629445][ T288] R13: 00007f0baa234314 R14: 0000000000007750 R15: 00007ffc183929a0 [ 36.637428][ T288] [ 36.642408][ T92] FAULT_INJECTION: forcing a failure. [ 36.642408][ T92] name failslab, interval 1, probability 1, space 0, times 77 [ 36.664848][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 36.671754][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.681824][ T92] Call Trace: [ 36.685115][ T92] [ 36.688054][ T92] __dump_stack+0x21/0x24 [ 36.692398][ T92] dump_stack_lvl+0x110/0x170 [ 36.697173][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.702220][ T92] dump_stack+0x15/0x24 [ 36.706425][ T92] should_fail_ex+0x3bf/0x510 [ 36.711137][ T92] __should_failslab+0xac/0xf0 [ 36.715918][ T92] should_failslab+0x9/0x20 [ 36.720438][ T92] kmem_cache_alloc_node+0x42/0x330 [ 36.726098][ T92] ? __alloc_skb+0xe8/0x4a0 [ 36.730643][ T92] __alloc_skb+0xe8/0x4a0 [ 36.734992][ T92] alloc_skb_with_frags+0xa8/0x620 [ 36.740121][ T92] ? memcpy+0x56/0x70 [ 36.744111][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 36.749328][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 36.755068][ T92] ? __kasan_check_write+0x14/0x20 [ 36.760281][ T92] ? _raw_spin_lock+0x94/0xf0 [ 36.764973][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 36.770209][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 36.775346][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 36.780927][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 36.786841][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 36.792411][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 36.797886][ T92] __sys_sendto+0x4ac/0x660 [ 36.802419][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 36.807507][ T92] ? __cfi_do_syslog+0x10/0x10 [ 36.812306][ T92] ? __sys_connect+0x267/0x460 [ 36.817104][ T92] ? __cfi_native_flush_tlb_one_user+0x10/0x10 [ 36.823290][ T92] ? xfd_validate_state+0x70/0x150 [ 36.828435][ T92] __x64_sys_sendto+0xe5/0x100 [ 36.833237][ T92] x64_sys_call+0x83/0x9a0 [ 36.837682][ T92] do_syscall_64+0x4c/0xa0 [ 36.842127][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.846857][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.851591][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.857516][ T92] RIP: 0033:0x7f41382a9407 [ 36.861953][ T92] 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 [ 36.881582][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 36.890117][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 36.898122][ T92] RDX: 0000000000000054 RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 36.906120][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 36.914109][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 36.922096][ T92] R13: 00007ffec5adc290 R14: 0000000000000039 R15: 00007ffec5adc290 [ 36.930110][ T92] [ 36.942659][ T328] FAULT_INJECTION: forcing a failure. [ 36.942659][ T328] name failslab, interval 1, probability 1, space 0, times 76 [ 36.947681][ T316] FAULT_INJECTION: forcing a failure. [ 36.947681][ T316] name failslab, interval 1, probability 1, space 0, times 76 [ 36.955422][ T328] CPU: 1 PID: 328 Comm: kworker/1:4 Not tainted syzkaller #0 [ 36.955444][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.955457][ T328] Workqueue: wg-crypt-wg1 wg_packet_tx_worker [ 36.991658][ T328] Call Trace: [ 36.994956][ T328] [ 36.997902][ T328] __dump_stack+0x21/0x24 [ 37.002281][ T328] dump_stack_lvl+0x110/0x170 [ 37.006975][ T328] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.012042][ T328] ? kasan_set_track+0x60/0x70 [ 37.016828][ T328] ? kasan_save_alloc_info+0x1f/0x30 [ 37.022123][ T328] ? __kasan_slab_alloc+0x72/0x80 [ 37.027164][ T328] ? slab_post_alloc_hook+0x4f/0x2d0 [ 37.032469][ T328] ? kmem_cache_alloc+0x166/0x320 [ 37.037513][ T328] dump_stack+0x15/0x24 [ 37.041689][ T328] should_fail_ex+0x3bf/0x510 [ 37.046379][ T328] __should_failslab+0xac/0xf0 [ 37.051163][ T328] should_failslab+0x9/0x20 [ 37.055701][ T328] __kmem_cache_alloc_node+0x3d/0x2d0 [ 37.061093][ T328] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.066225][ T328] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.071357][ T328] kmalloc_trace+0x29/0xb0 [ 37.075790][ T328] ref_tracker_alloc+0x16b/0x4a0 [ 37.080748][ T328] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 37.086410][ T328] ? slab_post_alloc_hook+0x6d/0x2d0 [ 37.091739][ T328] ? dst_alloc+0x16a/0x1e0 [ 37.096177][ T328] dst_init+0xc4/0x3d0 [ 37.100272][ T328] dst_alloc+0x191/0x1e0 [ 37.104542][ T328] ip_route_output_key_hash_rcu+0x13f8/0x2160 [ 37.110644][ T328] ? ip_route_output_key_hash_rcu+0x17c1/0x2160 [ 37.116905][ T328] ip_route_output_flow+0x143/0x300 [ 37.122120][ T328] ? __cfi_ip_route_output_flow+0x10/0x10 [ 37.127857][ T328] ? inet_confirm_addr+0x10f/0x120 [ 37.132985][ T328] send4+0x331/0x9d0 [ 37.136902][ T328] ? send4+0x1eb/0x9d0 [ 37.140990][ T328] ? wg_socket_send_skb_to_peer+0x1d0/0x1d0 [ 37.146911][ T328] wg_socket_send_skb_to_peer+0xd4/0x1d0 [ 37.152564][ T328] wg_packet_tx_worker+0x1ce/0x500 [ 37.157722][ T328] process_one_work+0x717/0xc30 [ 37.162590][ T328] worker_thread+0xa4d/0x11d0 [ 37.167284][ T328] kthread+0x281/0x320 [ 37.171369][ T328] ? __cfi_worker_thread+0x10/0x10 [ 37.176493][ T328] ? __cfi_kthread+0x10/0x10 [ 37.181103][ T328] ret_from_fork+0x1f/0x30 [ 37.185536][ T328] [ 37.188579][ T316] CPU: 0 PID: 316 Comm: kworker/0:3 Not tainted syzkaller #0 [ 37.196029][ T316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.206107][ T316] Workqueue: ipv6_addrconf addrconf_dad_work [ 37.212112][ T316] Call Trace: [ 37.215400][ T316] [ 37.218345][ T316] __dump_stack+0x21/0x24 [ 37.222797][ T316] dump_stack_lvl+0x110/0x170 [ 37.227488][ T316] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.232529][ T316] ? kasan_set_track+0x60/0x70 [ 37.237315][ T316] ? kasan_set_track+0x4b/0x70 [ 37.242093][ T316] dump_stack+0x15/0x24 [ 37.246267][ T316] should_fail_ex+0x3bf/0x510 [ 37.250952][ T316] __should_failslab+0xac/0xf0 [ 37.255731][ T316] should_failslab+0x9/0x20 [ 37.260241][ T316] __kmem_cache_alloc_node+0x3d/0x2d0 [ 37.265630][ T316] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.270762][ T316] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.275884][ T316] kmalloc_trace+0x29/0xb0 [ 37.280309][ T316] ref_tracker_alloc+0x16b/0x4a0 [ 37.285259][ T316] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 37.290913][ T316] ? __kasan_kmalloc+0x95/0xb0 [ 37.295705][ T316] ___neigh_create+0xb86/0x1db0 [ 37.300587][ T316] ? __local_bh_enable_ip+0x58/0x80 [ 37.305803][ T316] ? ip6t_do_table+0x13a7/0x1560 [ 37.310766][ T316] __neigh_create+0x31/0x40 [ 37.315284][ T316] ip6_finish_output2+0xaaf/0x18b0 [ 37.320413][ T316] ? ip6t_do_table+0x1c7/0x1560 [ 37.325283][ T316] ? __cfi_ip6_finish_output2+0x10/0x10 [ 37.330845][ T316] ? ip6table_mangle_hook+0x262/0x7b0 [ 37.336230][ T316] ip6_finish_output+0x60b/0xbe0 [ 37.341180][ T316] ip6_output+0x1fa/0x410 [ 37.345519][ T316] ? __cfi_ip6_output+0x10/0x10 [ 37.350385][ T316] ? __cfi_ip6_finish_output+0x10/0x10 [ 37.355855][ T316] ? __cfi_ip6t_do_table+0x10/0x10 [ 37.360984][ T316] ndisc_send_skb+0x7c8/0xcd0 [ 37.365684][ T316] ? __cfi_ndisc_send_skb+0x10/0x10 [ 37.370890][ T316] ? __cfi_dst_output+0x10/0x10 [ 37.375753][ T316] ? ndisc_ns_create+0x60d/0x920 [ 37.380705][ T316] ndisc_send_ns+0xd4/0x160 [ 37.385245][ T316] ? __cfi_ndisc_send_ns+0x10/0x10 [ 37.390364][ T316] ? mod_delayed_work_on+0xa8/0xe0 [ 37.395492][ T316] addrconf_dad_work+0x9d6/0x14a0 [ 37.400522][ T316] ? __cfi_addrconf_dad_work+0x10/0x10 [ 37.405995][ T316] ? __kasan_check_write+0x14/0x20 [ 37.411120][ T316] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 37.417026][ T316] process_one_work+0x717/0xc30 [ 37.421912][ T316] worker_thread+0xa4d/0x11d0 [ 37.426607][ T316] kthread+0x281/0x320 [ 37.430694][ T316] ? __cfi_worker_thread+0x10/0x10 [ 37.435814][ T316] ? __cfi_kthread+0x10/0x10 [ 37.440413][ T316] ret_from_fork+0x1f/0x30 [ 37.444850][ T316] [ 37.448449][ T92] FAULT_INJECTION: forcing a failure. [ 37.448449][ T92] name failslab, interval 1, probability 1, space 0, times 74 [ 37.461182][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 37.467970][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.478043][ T92] Call Trace: [ 37.481328][ T92] [ 37.484262][ T92] __dump_stack+0x21/0x24 [ 37.488614][ T92] dump_stack_lvl+0x110/0x170 [ 37.493302][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.498349][ T92] ? __schedule+0xbea/0x14b0 [ 37.502960][ T92] dump_stack+0x15/0x24 [ 37.507133][ T92] should_fail_ex+0x3bf/0x510 [ 37.511829][ T92] __should_failslab+0xac/0xf0 [ 37.516610][ T92] should_failslab+0x9/0x20 [ 37.521126][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.526343][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.530856][ T92] ? __kasan_check_write+0x14/0x20 [ 37.535978][ T92] __alloc_skb+0xe8/0x4a0 [ 37.540326][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.545447][ T92] ? memcpy+0x56/0x70 [ 37.549445][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.554660][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.560401][ T92] ? __kasan_check_write+0x14/0x20 [ 37.565667][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.570416][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.575657][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.580794][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.586356][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.592264][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.597830][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.603320][ T92] __sys_sendto+0x4ac/0x660 [ 37.607841][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.612879][ T92] ? security_unix_may_send+0x8c/0xb0 [ 37.618266][ T92] ? __sys_connect+0x267/0x460 [ 37.623044][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 37.628628][ T92] ? xfd_validate_state+0x70/0x150 [ 37.633798][ T92] ? __kasan_check_write+0x14/0x20 [ 37.638945][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.643768][ T92] x64_sys_call+0x83/0x9a0 [ 37.648214][ T92] do_syscall_64+0x4c/0xa0 [ 37.652652][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.657342][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.662028][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.667949][ T92] RIP: 0033:0x7f41382a9407 [ 37.672376][ T92] 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 [ 37.691993][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 37.700421][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 37.708413][ T92] RDX: 0000000000000052 RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 37.716401][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 37.724385][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 37.732366][ T92] R13: 00007ffec5adc290 R14: 0000000000000037 R15: 00007ffec5adc290 [ 37.740360][ T92] [ 37.746474][ T322] FAULT_INJECTION: forcing a failure. [ 37.746474][ T322] name failslab, interval 1, probability 1, space 0, times 72 [ 37.758581][ T92] FAULT_INJECTION: forcing a failure. [ 37.758581][ T92] name failslab, interval 1, probability 1, space 0, times 70 [ 37.770839][ T288] syz-executor (288) used greatest stack depth: 22344 bytes left [ 37.772257][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 37.786370][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.796445][ T92] Call Trace: [ 37.799740][ T92] [ 37.802681][ T92] __dump_stack+0x21/0x24 [ 37.807037][ T92] dump_stack_lvl+0x110/0x170 [ 37.811765][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.816806][ T92] ? __schedule+0xbea/0x14b0 [ 37.821446][ T92] dump_stack+0x15/0x24 [ 37.825625][ T92] should_fail_ex+0x3bf/0x510 [ 37.830332][ T92] __should_failslab+0xac/0xf0 [ 37.835120][ T92] should_failslab+0x9/0x20 [ 37.839653][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.844875][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.849393][ T92] ? __kasan_check_write+0x14/0x20 [ 37.854520][ T92] __alloc_skb+0xe8/0x4a0 [ 37.858864][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.863988][ T92] ? memcpy+0x56/0x70 [ 37.867988][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.873228][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.878962][ T92] ? __kasan_check_write+0x14/0x20 [ 37.884090][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.888783][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.894017][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.899170][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.904738][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.910678][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.916272][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.921750][ T92] __sys_sendto+0x4ac/0x660 [ 37.926291][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.931345][ T92] ? __cfi_do_syslog+0x10/0x10 [ 37.936127][ T92] ? __sys_connect+0x267/0x460 [ 37.940924][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 37.946507][ T92] ? xfd_validate_state+0x70/0x150 [ 37.951639][ T92] ? __kasan_check_write+0x14/0x20 [ 37.956766][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.961546][ T92] x64_sys_call+0x83/0x9a0 [ 37.966009][ T92] do_syscall_64+0x4c/0xa0 [ 37.970455][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.975146][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.979833][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.985748][ T92] RIP: 0033:0x7f41382a9407 [ 37.990173][ T92] 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 [ 38.009786][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 38.018213][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 38.026193][ T92] RDX: 000000000000004f RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 38.034173][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 38.042152][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 38.050130][ T92] R13: 00007ffec5adc290 R14: 0000000000000034 R15: 00007ffec5adc290 [ 38.058118][ T92] [ 38.061199][ T322] CPU: 0 PID: 322 Comm: syz.3.4 Not tainted syzkaller #0 [ 38.065678][ T92] FAULT_INJECTION: forcing a failure. [ 38.065678][ T92] name failslab, interval 1, probability 1, space 0, times 69 [ 38.068257][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.090992][ T322] Call Trace: [ 38.094280][ T322] [ 38.097223][ T322] __dump_stack+0x21/0x24 [ 38.101575][ T322] dump_stack_lvl+0x110/0x170 [ 38.106270][ T322] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.111313][ T322] ? __cfi_fib6_clean_node+0x10/0x10 [ 38.116620][ T322] dump_stack+0x15/0x24 [ 38.120794][ T322] should_fail_ex+0x3bf/0x510 [ 38.125504][ T322] __should_failslab+0xac/0xf0 [ 38.130289][ T322] should_failslab+0x9/0x20 [ 38.134806][ T322] __kmem_cache_alloc_node+0x3d/0x2d0 [ 38.140200][ T322] ? nf_nat_masq_schedule+0x23c/0x500 [ 38.145584][ T322] ? nf_nat_masq_schedule+0x23c/0x500 [ 38.150968][ T322] kmalloc_trace+0x29/0xb0 [ 38.155394][ T322] nf_nat_masq_schedule+0x23c/0x500 [ 38.160604][ T322] ? __cfi_inet_cmp+0x10/0x10 [ 38.165288][ T322] ? masq_device_event+0xd0/0xd0 [ 38.170236][ T322] ? try_to_grab_pending+0x1a4/0x580 [ 38.175548][ T322] ? memcpy+0x56/0x70 [ 38.179540][ T322] masq_inet6_event+0xe6/0x130 [ 38.184318][ T322] atomic_notifier_call_chain+0xaa/0x120 [ 38.189973][ T322] inet6addr_notifier_call_chain+0x24/0x30 [ 38.195788][ T322] addrconf_ifdown+0xe0a/0x1950 [ 38.200654][ T322] ? addrconf_cleanup+0x130/0x130 [ 38.205695][ T322] ? __kasan_check_write+0x14/0x20 [ 38.210817][ T322] ? mutex_unlock+0x8f/0x230 [ 38.215428][ T322] ? __cfi_mutex_unlock+0x10/0x10 [ 38.220563][ T322] ? __cfi_device_cmp+0x10/0x10 [ 38.225425][ T322] ? masq_device_event+0xd0/0xd0 [ 38.230372][ T322] addrconf_notify+0x39f/0xe30 [ 38.235149][ T322] raw_notifier_call_chain+0xa1/0x110 [ 38.240563][ T322] dev_close_many+0x325/0x4d0 [ 38.245255][ T322] ? __cfi_dev_close_many+0x10/0x10 [ 38.250480][ T322] ? wake_up_process+0x10/0x20 [ 38.255266][ T322] ? __kasan_check_read+0x11/0x20 [ 38.260304][ T322] unregister_netdevice_many+0x43f/0x1910 [ 38.266046][ T322] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 38.272216][ T322] ? __queue_delayed_work+0x188/0x200 [ 38.277646][ T322] ? queue_delayed_work_on+0x10d/0x160 [ 38.283125][ T322] ? linkwatch_fire_event+0x1dc/0x240 [ 38.288522][ T322] ? __kasan_check_read+0x11/0x20 [ 38.293584][ T322] unregister_netdevice_queue+0x2e1/0x320 [ 38.299329][ T322] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 38.305597][ T322] ? linkwatch_fire_event+0x208/0x240 [ 38.311039][ T322] __tun_detach+0xc9d/0x1450 [ 38.315674][ T322] tun_chr_close+0x92/0x140 [ 38.320198][ T322] ? __cfi_tun_chr_close+0x10/0x10 [ 38.325328][ T322] __fput+0x1fd/0x8f0 [ 38.329327][ T322] ____fput+0x15/0x20 [ 38.333323][ T322] task_work_run+0x1e1/0x250 [ 38.337933][ T322] ? __cfi_task_work_run+0x10/0x10 [ 38.343061][ T322] ? free_nsproxy+0x21f/0x270 [ 38.347761][ T322] do_exit+0xaf2/0x2850 [ 38.351946][ T322] ? timerqueue_del+0xd3/0x120 [ 38.356724][ T322] ? __cfi_do_exit+0x10/0x10 [ 38.361336][ T322] ? __remove_hrtimer+0x157/0x3d0 [ 38.366374][ T322] ? remove_hrtimer+0x137/0x280 [ 38.371241][ T322] ? __kasan_check_write+0x14/0x20 [ 38.376364][ T322] ? _raw_spin_lock_irq+0x95/0xf0 [ 38.381400][ T322] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 38.387045][ T322] do_group_exit+0x21b/0x2e0 [ 38.391659][ T322] ? __kasan_check_write+0x14/0x20 [ 38.396784][ T322] ? recalc_sigpending+0x180/0x1c0 [ 38.401907][ T322] get_signal+0x167c/0x1700 [ 38.406435][ T322] ? __cfi_get_signal+0x10/0x10 [ 38.411304][ T322] arch_do_signal_or_restart+0xd1/0x11c0 [ 38.416956][ T322] ? do_futex+0x2e2/0x430 [ 38.421296][ T322] ? _copy_from_user+0x8f/0xc0 [ 38.426094][ T322] ? __cfi_do_futex+0x10/0x10 [ 38.430783][ T322] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 38.436955][ T322] ? __se_sys_futex+0x136/0x310 [ 38.441836][ T322] ? do_user_addr_fault+0x9a5/0x1030 [ 38.447165][ T322] exit_to_user_mode_loop+0x7a/0xb0 [ 38.452383][ T322] exit_to_user_mode_prepare+0x87/0xd0 [ 38.457852][ T322] syscall_exit_to_user_mode+0x1a/0x30 [ 38.463322][ T322] do_syscall_64+0x58/0xa0 [ 38.467751][ T322] ? clear_bhb_loop+0x30/0x80 [ 38.472436][ T322] ? clear_bhb_loop+0x30/0x80 [ 38.477127][ T322] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.483044][ T322] RIP: 0033:0x7f0ea159df99 [ 38.487466][ T322] Code: Unable to access opcode bytes at 0x7f0ea159df6f. [ 38.494486][ T322] RSP: 002b:00007fff28279eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 38.502913][ T322] RAX: fffffffffffffdfc RBX: 000000000000773c RCX: 00007f0ea159df99 [ 38.510909][ T322] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0ea1825fac [ 38.518895][ T322] RBP: 0000000000000fd2 R08: 001e727f062cb13e R09: 0000000000000000 [ 38.526878][ T322] R10: 00007fff28279fc0 R11: 0000000000000246 R12: 00007fff28279fe0 [ 38.534858][ T322] R13: 00007f0ea1825fac R14: 000000000000870e R15: 00007fff28279fc0 [ 38.542841][ T322] [ 38.546030][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 38.546818][ T141] FAULT_INJECTION: forcing a failure. [ 38.546818][ T141] name failslab, interval 1, probability 1, space 0, times 69 [ 38.552831][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.575581][ T92] Call Trace: [ 38.578879][ T92] [ 38.581825][ T92] __dump_stack+0x21/0x24 [ 38.586176][ T92] dump_stack_lvl+0x110/0x170 [ 38.590874][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.595920][ T92] ? __schedule+0xbea/0x14b0 [ 38.600529][ T92] dump_stack+0x15/0x24 [ 38.604699][ T92] should_fail_ex+0x3bf/0x510 [ 38.609389][ T92] __should_failslab+0xac/0xf0 [ 38.614173][ T92] should_failslab+0x9/0x20 [ 38.618697][ T92] kmem_cache_alloc_node+0x42/0x330 [ 38.623919][ T92] ? __alloc_skb+0xe8/0x4a0 [ 38.628434][ T92] ? __kasan_check_write+0x14/0x20 [ 38.633571][ T92] __alloc_skb+0xe8/0x4a0 [ 38.637910][ T92] alloc_skb_with_frags+0xa8/0x620 [ 38.643038][ T92] ? memcpy+0x56/0x70 [ 38.647044][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 38.652272][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 38.658007][ T92] ? __kasan_check_write+0x14/0x20 [ 38.663129][ T92] ? _raw_spin_lock+0x94/0xf0 [ 38.667817][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 38.673055][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 38.678192][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 38.683752][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 38.689656][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 38.695228][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 38.700701][ T92] __sys_sendto+0x4ac/0x660 [ 38.705238][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 38.710289][ T92] ? __cfi_do_syslog+0x10/0x10 [ 38.715069][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 38.720632][ T92] ? xfd_validate_state+0x70/0x150 [ 38.725764][ T92] ? __kasan_check_write+0x14/0x20 [ 38.730887][ T92] __x64_sys_sendto+0xe5/0x100 [ 38.735672][ T92] x64_sys_call+0x83/0x9a0 [ 38.740101][ T92] do_syscall_64+0x4c/0xa0 [ 38.744530][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.749214][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.753989][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.759898][ T92] RIP: 0033:0x7f41382a9407 [ 38.764328][ T92] 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 [ 38.783953][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 38.792395][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 38.800391][ T92] RDX: 000000000000004d RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 38.805581][ C0] FAULT_INJECTION: forcing a failure. [ 38.805581][ C0] name failslab, interval 1, probability 1, space 0, times 68 [ 38.808379][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 38.829036][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 38.837028][ T92] R13: 00007ffec5adc290 R14: 0000000000000032 R15: 00007ffec5adc290 [ 38.845016][ T92] [ 38.848047][ C0] CPU: 0 PID: 141 Comm: dhcpcd Not tainted syzkaller #0 [ 38.855018][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.865105][ C0] Call Trace: [ 38.868404][ C0] [ 38.870842][ T92] FAULT_INJECTION: forcing a failure. [ 38.870842][ T92] name failslab, interval 1, probability 1, space 0, times 64 [ 38.871263][ C0] __dump_stack+0x21/0x24 [ 38.888266][ C0] dump_stack_lvl+0x110/0x170 [ 38.892965][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.898013][ C0] ? kasan_set_track+0x60/0x70 [ 38.902789][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 38.908086][ C0] ? __kasan_slab_alloc+0x72/0x80 [ 38.913134][ C0] ? slab_post_alloc_hook+0x4f/0x2d0 [ 38.918523][ C0] ? kmem_cache_alloc+0x166/0x320 [ 38.923567][ C0] dump_stack+0x15/0x24 [ 38.927740][ C0] should_fail_ex+0x3bf/0x510 [ 38.932446][ C0] __should_failslab+0xac/0xf0 [ 38.937228][ C0] should_failslab+0x9/0x20 [ 38.941753][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 38.947149][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 38.952275][ C0] ? __x64_sys_writev+0x7d/0x90 [ 38.957139][ C0] ? x64_sys_call+0xad/0x9a0 [ 38.961762][ C0] ? do_syscall_64+0x4c/0xa0 [ 38.966385][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 38.971511][ C0] kmalloc_trace+0x29/0xb0 [ 38.976371][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 38.981325][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 38.986804][ C0] ? slab_post_alloc_hook+0x6d/0x2d0 [ 38.992111][ C0] ? kmem_cache_alloc+0x24e/0x320 [ 38.997156][ C0] dst_init+0xc4/0x3d0 [ 39.001245][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 39.006109][ C0] dst_alloc+0x191/0x1e0 [ 39.010392][ C0] icmp6_dst_alloc+0xf8/0x510 [ 39.015089][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 39.019778][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 39.024993][ C0] ? memcpy+0x56/0x70 [ 39.028993][ C0] ? __ndisc_fill_addr_option+0xde/0x130 [ 39.034641][ C0] ndisc_send_rs+0x66a/0x870 [ 39.039252][ C0] addrconf_rs_timer+0x35a/0x600 [ 39.044203][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 39.049680][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 39.054727][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 39.060323][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 39.065797][ C0] call_timer_fn+0x46/0x2a0 [ 39.070324][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 39.075825][ C0] __run_timers+0x646/0x9b0 [ 39.080347][ C0] ? calc_index+0x200/0x200 [ 39.084873][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 39.090091][ C0] run_timer_softirq+0x6a/0xf0 [ 39.094868][ C0] handle_softirqs+0x1d7/0x600 [ 39.099645][ C0] __irq_exit_rcu+0x52/0xf0 [ 39.104165][ C0] irq_exit_rcu+0x9/0x10 [ 39.108423][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 39.114104][ C0] [ 39.117047][ C0] [ 39.119985][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 39.125985][ C0] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 39.131985][ C0] Code: 1d 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 17 92 19 00 f3 90 <48> c7 c7 c0 b9 11 87 be 04 00 00 00 e8 24 1f 5f 00 8b 05 7e e5 b9 [ 39.151606][ C0] RSP: 0018:ffffc90000b67350 EFLAGS: 00000293 [ 39.157703][ C0] RAX: ffffffff8157d44c RBX: ffffffff860afda0 RCX: ffff88811db68000 [ 39.165696][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 39.173678][ C0] RBP: ffffc90000b67350 R08: 0000000000000003 R09: 0000000000000004 [ 39.181660][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 39.189643][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ce6c [ 39.197660][ C0] ? __printk_cpu_sync_wait+0x2c/0x40 [ 39.203082][ C0] dump_stack_lvl+0xce/0x170 [ 39.207687][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.212734][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 39.218559][ C0] dump_stack+0x15/0x24 [ 39.222752][ C0] should_fail_ex+0x3bf/0x510 [ 39.227436][ C0] __should_failslab+0xac/0xf0 [ 39.232213][ C0] should_failslab+0x9/0x20 [ 39.236726][ C0] kmem_cache_alloc_node+0x42/0x330 [ 39.241943][ C0] ? __alloc_skb+0xe8/0x4a0 [ 39.246459][ C0] __alloc_skb+0xe8/0x4a0 [ 39.250818][ C0] alloc_skb_with_frags+0xa8/0x620 [ 39.255938][ C0] ? avc_has_perm_noaudit+0x390/0x490 [ 39.261319][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 39.266527][ C0] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 39.272256][ C0] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 39.277987][ C0] ? __kasan_check_write+0x14/0x20 [ 39.283134][ C0] ? _raw_spin_lock+0x94/0xf0 [ 39.287827][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 39.293055][ C0] ? avc_has_perm+0x163/0x250 [ 39.297764][ C0] unix_dgram_sendmsg+0x5c1/0x1710 [ 39.302897][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 39.308453][ C0] ? avc_has_perm+0x163/0x250 [ 39.313159][ C0] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 39.318726][ C0] unix_seqpacket_sendmsg+0x118/0x1e0 [ 39.324116][ C0] sock_write_iter+0x2ea/0x3f0 [ 39.328893][ C0] ? __cfi_sock_write_iter+0x10/0x10 [ 39.334192][ C0] ? chacha_block_generic+0x5d4/0xd80 [ 39.339576][ C0] ? fsnotify_perm+0x67/0x5b0 [ 39.344262][ C0] ? security_file_permission+0x8a/0xb0 [ 39.349826][ C0] do_iter_write+0x65a/0xb30 [ 39.354432][ C0] ? _copy_from_user+0x8f/0xc0 [ 39.359228][ C0] ? vfs_iter_write+0xa0/0xa0 [ 39.363943][ C0] ? import_iovec+0x7c/0xb0 [ 39.368454][ C0] vfs_writev+0x339/0x5f0 [ 39.372802][ C0] ? do_writev+0x2c0/0x2c0 [ 39.377235][ C0] ? import_single_range+0xce/0x280 [ 39.382442][ C0] ? __kasan_check_read+0x11/0x20 [ 39.387530][ C0] ? __fdget_pos+0x1f2/0x380 [ 39.392130][ C0] do_writev+0x14e/0x2c0 [ 39.396399][ C0] ? do_readv+0x450/0x450 [ 39.400823][ C0] ? __secure_computing+0xea/0x290 [ 39.405943][ C0] __x64_sys_writev+0x7d/0x90 [ 39.410626][ C0] x64_sys_call+0xad/0x9a0 [ 39.415052][ C0] do_syscall_64+0x4c/0xa0 [ 39.419478][ C0] ? clear_bhb_loop+0x30/0x80 [ 39.424157][ C0] ? clear_bhb_loop+0x30/0x80 [ 39.428840][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.434745][ C0] RIP: 0033:0x7fadf4406407 [ 39.439171][ C0] 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 [ 39.458778][ C0] RSP: 002b:00007ffeeba1d280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 39.467210][ C0] RAX: ffffffffffffffda RBX: 00007fadf437c740 RCX: 00007fadf4406407 [ 39.475183][ C0] RDX: 0000000000000005 RSI: 00007ffeeba1d2e0 RDI: 000000000000000a [ 39.483157][ C0] RBP: 0000562e59048870 R08: 0000000000000000 R09: 0000000000000000 [ 39.491178][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562e8bd385b0 [ 39.499162][ C0] R13: 000000000000012c R14: 0000000000004801 R15: 0000562e8bd38b64 [ 39.507169][ C0] [ 39.510224][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 39.510375][ C0] FAULT_INJECTION: forcing a failure. [ 39.510375][ C0] name failslab, interval 1, probability 1, space 0, times 63 [ 39.517013][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 39.517026][ T92] Call Trace: [ 39.517032][ T92] [ 39.517040][ T92] __dump_stack+0x21/0x24 [ 39.550295][ T92] dump_stack_lvl+0x110/0x170 [ 39.554988][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.560032][ T92] dump_stack+0x15/0x24 [ 39.564206][ T92] should_fail_ex+0x3bf/0x510 [ 39.568895][ T92] __should_failslab+0xac/0xf0 [ 39.573683][ T92] should_failslab+0x9/0x20 [ 39.578200][ T92] kmem_cache_alloc_node+0x42/0x330 [ 39.583420][ T92] ? __alloc_skb+0xe8/0x4a0 [ 39.587936][ T92] ? kasan_set_track+0x60/0x70 [ 39.592714][ T92] __alloc_skb+0xe8/0x4a0 [ 39.597090][ T92] ? do_syscall_64+0x4c/0xa0 [ 39.601702][ T92] alloc_skb_with_frags+0xa8/0x620 [ 39.606823][ T92] ? memcpy+0x56/0x70 [ 39.610836][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 39.616063][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 39.621805][ T92] ? __kasan_check_write+0x14/0x20 [ 39.626933][ T92] ? _raw_spin_lock+0x94/0xf0 [ 39.631816][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 39.637032][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 39.642168][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 39.647731][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 39.653644][ T92] ? kfree+0x6f/0xf0 [ 39.657548][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 39.663114][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 39.668595][ T92] __sys_sendto+0x4ac/0x660 [ 39.673145][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 39.678204][ T92] ? __cfi_do_syslog+0x10/0x10 [ 39.682977][ T92] ? __sys_connect+0x267/0x460 [ 39.687762][ T92] __x64_sys_sendto+0xe5/0x100 [ 39.692542][ T92] x64_sys_call+0x83/0x9a0 [ 39.696971][ T92] do_syscall_64+0x4c/0xa0 [ 39.701397][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.706081][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.711024][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.716936][ T92] RIP: 0033:0x7f41382a9407 [ 39.721366][ T92] 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 [ 39.740979][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 39.749405][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 39.757385][ T92] RDX: 0000000000000059 RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 39.765373][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 39.773352][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 39.781329][ T92] R13: 00007ffec5adc290 R14: 000000000000003e R15: 00007ffec5adc290 [ 39.789314][ T92] [ 39.792343][ C0] CPU: 0 PID: 141 Comm: dhcpcd Not tainted syzkaller #0 [ 39.796649][ T92] FAULT_INJECTION: forcing a failure. [ 39.796649][ T92] name failslab, interval 1, probability 1, space 0, times 62 [ 39.799314][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 39.822156][ C0] Call Trace: [ 39.825460][ C0] [ 39.828322][ C0] __dump_stack+0x21/0x24 [ 39.832677][ C0] dump_stack_lvl+0x110/0x170 [ 39.837371][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.842445][ C0] ? get_nohz_timer_target+0x7a/0x560 [ 39.847837][ C0] ? enqueue_timer+0x1b6/0x480 [ 39.852626][ C0] dump_stack+0x15/0x24 [ 39.856802][ C0] should_fail_ex+0x3bf/0x510 [ 39.861490][ C0] __should_failslab+0xac/0xf0 [ 39.866269][ C0] should_failslab+0x9/0x20 [ 39.870784][ C0] kmem_cache_alloc_node+0x42/0x330 [ 39.875996][ C0] ? __alloc_skb+0xe8/0x4a0 [ 39.880515][ C0] __alloc_skb+0xe8/0x4a0 [ 39.884865][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 39.890336][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 39.896936][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 39.903369][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 39.910494][ C0] call_timer_fn+0x46/0x2a0 [ 39.915013][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 39.922167][ C0] __run_timers+0x646/0x9b0 [ 39.926687][ C0] ? calc_index+0x200/0x200 [ 39.931217][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 39.936432][ C0] run_timer_softirq+0x6a/0xf0 [ 39.941207][ C0] handle_softirqs+0x1d7/0x600 [ 39.945984][ C0] __irq_exit_rcu+0x52/0xf0 [ 39.950498][ C0] irq_exit_rcu+0x9/0x10 [ 39.954749][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 39.960405][ C0] [ 39.963339][ C0] [ 39.966274][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 39.972270][ C0] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 39.978178][ C0] Code: 1d 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 17 92 19 00 f3 90 <48> c7 c7 c0 b9 11 87 be 04 00 00 00 e8 24 1f 5f 00 8b 05 7e e5 b9 [ 39.997789][ C0] RSP: 0018:ffffc90000b67350 EFLAGS: 00000293 [ 40.003866][ C0] RAX: ffffffff8157d44c RBX: ffffffff860afda0 RCX: ffff88811db68000 [ 40.011845][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 40.019820][ C0] RBP: ffffc90000b67350 R08: 0000000000000003 R09: 0000000000000004 [ 40.027798][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 40.035774][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200016ce6c [ 40.043765][ C0] ? __printk_cpu_sync_wait+0x2c/0x40 [ 40.049161][ C0] dump_stack_lvl+0xce/0x170 [ 40.053767][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.058831][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 40.064672][ C0] dump_stack+0x15/0x24 [ 40.068841][ C0] should_fail_ex+0x3bf/0x510 [ 40.073532][ C0] __should_failslab+0xac/0xf0 [ 40.078308][ C0] should_failslab+0x9/0x20 [ 40.082815][ C0] kmem_cache_alloc_node+0x42/0x330 [ 40.088025][ C0] ? __alloc_skb+0xe8/0x4a0 [ 40.092562][ C0] __alloc_skb+0xe8/0x4a0 [ 40.096902][ C0] alloc_skb_with_frags+0xa8/0x620 [ 40.102021][ C0] ? avc_has_perm_noaudit+0x390/0x490 [ 40.107403][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 40.112620][ C0] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 40.118356][ C0] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 40.124105][ C0] ? __kasan_check_write+0x14/0x20 [ 40.129224][ C0] ? _raw_spin_lock+0x94/0xf0 [ 40.133916][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 40.139125][ C0] ? avc_has_perm+0x163/0x250 [ 40.143813][ C0] unix_dgram_sendmsg+0x5c1/0x1710 [ 40.148943][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 40.154495][ C0] ? avc_has_perm+0x163/0x250 [ 40.159179][ C0] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 40.164750][ C0] unix_seqpacket_sendmsg+0x118/0x1e0 [ 40.170142][ C0] sock_write_iter+0x2ea/0x3f0 [ 40.174925][ C0] ? __cfi_sock_write_iter+0x10/0x10 [ 40.180228][ C0] ? chacha_block_generic+0x5d4/0xd80 [ 40.185612][ C0] ? fsnotify_perm+0x67/0x5b0 [ 40.190299][ C0] ? security_file_permission+0x8a/0xb0 [ 40.195865][ C0] do_iter_write+0x65a/0xb30 [ 40.200487][ C0] ? _copy_from_user+0x8f/0xc0 [ 40.205268][ C0] ? vfs_iter_write+0xa0/0xa0 [ 40.209956][ C0] ? import_iovec+0x7c/0xb0 [ 40.214471][ C0] vfs_writev+0x339/0x5f0 [ 40.218812][ C0] ? do_writev+0x2c0/0x2c0 [ 40.223240][ C0] ? import_single_range+0xce/0x280 [ 40.228445][ C0] ? __kasan_check_read+0x11/0x20 [ 40.233475][ C0] ? __fdget_pos+0x1f2/0x380 [ 40.238090][ C0] do_writev+0x14e/0x2c0 [ 40.242344][ C0] ? do_readv+0x450/0x450 [ 40.246683][ C0] ? __secure_computing+0xea/0x290 [ 40.251813][ C0] __x64_sys_writev+0x7d/0x90 [ 40.256528][ C0] x64_sys_call+0xad/0x9a0 [ 40.260966][ C0] do_syscall_64+0x4c/0xa0 [ 40.265401][ C0] ? clear_bhb_loop+0x30/0x80 [ 40.270084][ C0] ? clear_bhb_loop+0x30/0x80 [ 40.274777][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.280691][ C0] RIP: 0033:0x7fadf4406407 [ 40.285119][ C0] 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 [ 40.304737][ C0] RSP: 002b:00007ffeeba1d280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 40.313166][ C0] RAX: ffffffffffffffda RBX: 00007fadf437c740 RCX: 00007fadf4406407 [ 40.321145][ C0] RDX: 0000000000000005 RSI: 00007ffeeba1d2e0 RDI: 000000000000000a [ 40.329127][ C0] RBP: 0000562e59048870 R08: 0000000000000000 R09: 0000000000000000 [ 40.337106][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562e8bd385b0 [ 40.345087][ C0] R13: 000000000000012c R14: 0000000000004801 R15: 0000562e8bd38b64 [ 40.353081][ C0] [ 40.357333][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 40.364159][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 40.374229][ T92] Call Trace: [ 40.377526][ T92] [ 40.380475][ T92] __dump_stack+0x21/0x24 [ 40.384825][ T92] dump_stack_lvl+0x110/0x170 [ 40.389520][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.394558][ T92] ? __schedule+0xbea/0x14b0 [ 40.399164][ T92] dump_stack+0x15/0x24 [ 40.403335][ T92] should_fail_ex+0x3bf/0x510 [ 40.408029][ T92] __should_failslab+0xac/0xf0 [ 40.412991][ T92] should_failslab+0x9/0x20 [ 40.417511][ T92] kmem_cache_alloc_node+0x42/0x330 [ 40.422729][ T92] ? __alloc_skb+0xe8/0x4a0 [ 40.427245][ T92] ? __kasan_check_write+0x14/0x20 [ 40.432449][ T92] __alloc_skb+0xe8/0x4a0 [ 40.437132][ T92] alloc_skb_with_frags+0xa8/0x620 [ 40.442450][ T92] ? memcpy+0x56/0x70 [ 40.446460][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 40.451687][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 40.457429][ T92] ? __kasan_check_write+0x14/0x20 [ 40.462556][ T92] ? _raw_spin_lock+0x94/0xf0 [ 40.467255][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 40.472480][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 40.477631][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 40.483198][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 40.489108][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 40.494681][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 40.500157][ T92] __sys_sendto+0x4ac/0x660 [ 40.504682][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 40.509725][ T92] ? __cfi_do_syslog+0x10/0x10 [ 40.514509][ T92] ? __sys_connect+0x267/0x460 [ 40.519290][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 40.524850][ T92] ? xfd_validate_state+0x70/0x150 [ 40.529986][ T92] ? __kasan_check_write+0x14/0x20 [ 40.535108][ T92] __x64_sys_sendto+0xe5/0x100 [ 40.539893][ T92] x64_sys_call+0x83/0x9a0 [ 40.544325][ T92] do_syscall_64+0x4c/0xa0 [ 40.548761][ T92] ? clear_bhb_loop+0x30/0x80 [ 40.553445][ T92] ? clear_bhb_loop+0x30/0x80 [ 40.558168][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.564091][ T92] RIP: 0033:0x7f41382a9407 [ 40.568525][ T92] 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 [ 40.588144][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 40.596568][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 40.604549][ T92] RDX: 000000000000004d RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 40.612529][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 40.620513][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 40.628522][ T92] R13: 00007ffec5adc290 R14: 0000000000000032 R15: 00007ffec5adc290 [ 40.636516][ T92] [ 40.639559][ T141] CPU: 0 PID: 141 Comm: dhcpcd Not tainted syzkaller #0 [ 40.642562][ T92] FAULT_INJECTION: forcing a failure. [ 40.642562][ T92] name failslab, interval 1, probability 1, space 0, times 60 [ 40.646526][ T141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 40.646540][ T141] Call Trace: [ 40.646547][ T141] [ 40.646554][ T141] __dump_stack+0x21/0x24 [ 40.679843][ T141] dump_stack_lvl+0x110/0x170 [ 40.684571][ T141] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.689684][ T141] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 40.695522][ T141] dump_stack+0x15/0x24 [ 40.699730][ T141] should_fail_ex+0x3bf/0x510 [ 40.704419][ T141] __should_failslab+0xac/0xf0 [ 40.709205][ T141] should_failslab+0x9/0x20 [ 40.713718][ T141] kmem_cache_alloc_node+0x42/0x330 [ 40.718939][ T141] ? __alloc_skb+0xe8/0x4a0 [ 40.723457][ T141] __alloc_skb+0xe8/0x4a0 [ 40.727816][ T141] alloc_skb_with_frags+0xa8/0x620 [ 40.733012][ T141] ? avc_has_perm_noaudit+0x390/0x490 [ 40.738404][ T141] sock_alloc_send_pskb+0x87f/0x9a0 [ 40.743711][ T141] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 40.749446][ T141] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 40.755184][ T141] ? __kasan_check_write+0x14/0x20 [ 40.760314][ T141] ? _raw_spin_lock+0x94/0xf0 [ 40.765022][ T141] ? __cfi__raw_spin_lock+0x10/0x10 [ 40.770265][ T141] ? avc_has_perm+0x163/0x250 [ 40.774973][ T141] unix_dgram_sendmsg+0x5c1/0x1710 [ 40.780128][ T141] ? selinux_socket_sendmsg+0x22f/0x340 [ 40.785693][ T141] ? avc_has_perm+0x163/0x250 [ 40.790392][ T141] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 40.795985][ T141] unix_seqpacket_sendmsg+0x118/0x1e0 [ 40.801394][ T141] sock_write_iter+0x2ea/0x3f0 [ 40.806192][ T141] ? __cfi_sock_write_iter+0x10/0x10 [ 40.811498][ T141] ? chacha_block_generic+0x5d4/0xd80 [ 40.816932][ T141] ? fsnotify_perm+0x67/0x5b0 [ 40.821660][ T141] ? security_file_permission+0x8a/0xb0 [ 40.827229][ T141] do_iter_write+0x65a/0xb30 [ 40.831847][ T141] ? _copy_from_user+0x8f/0xc0 [ 40.836650][ T141] ? vfs_iter_write+0xa0/0xa0 [ 40.841349][ T141] ? import_iovec+0x7c/0xb0 [ 40.845873][ T141] vfs_writev+0x339/0x5f0 [ 40.850236][ T141] ? do_writev+0x2c0/0x2c0 [ 40.854687][ T141] ? import_single_range+0xce/0x280 [ 40.859918][ T141] ? __kasan_check_read+0x11/0x20 [ 40.864967][ T141] ? __fdget_pos+0x1f2/0x380 [ 40.869584][ T141] do_writev+0x14e/0x2c0 [ 40.873867][ T141] ? do_readv+0x450/0x450 [ 40.878225][ T141] ? __secure_computing+0xea/0x290 [ 40.883370][ T141] __x64_sys_writev+0x7d/0x90 [ 40.888076][ T141] x64_sys_call+0xad/0x9a0 [ 40.892522][ T141] do_syscall_64+0x4c/0xa0 [ 40.896968][ T141] ? clear_bhb_loop+0x30/0x80 [ 40.901671][ T141] ? clear_bhb_loop+0x30/0x80 [ 40.906367][ T141] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.912381][ T141] RIP: 0033:0x7fadf4406407 [ 40.916823][ 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 [ 40.936451][ T141] RSP: 002b:00007ffeeba1d280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 40.944887][ T141] RAX: ffffffffffffffda RBX: 00007fadf437c740 RCX: 00007fadf4406407 [ 40.952881][ T141] RDX: 0000000000000005 RSI: 00007ffeeba1d2e0 RDI: 000000000000000a [ 40.960873][ T141] RBP: 0000562e59048870 R08: 0000000000000000 R09: 0000000000000000 [ 40.968900][ T141] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562e8bd385b0 [ 40.976911][ T141] R13: 000000000000012c R14: 0000000000004801 R15: 0000562e8bd38b64 [ 40.984919][ T141] [ 40.987959][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 40.994762][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.004851][ T92] Call Trace: [ 41.008145][ T92] [ 41.011091][ T92] __dump_stack+0x21/0x24 [ 41.015442][ T92] dump_stack_lvl+0x110/0x170 [ 41.020137][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.025184][ T92] dump_stack+0x15/0x24 [ 41.029365][ T92] should_fail_ex+0x3bf/0x510 [ 41.034078][ T92] __should_failslab+0xac/0xf0 [ 41.038869][ T92] should_failslab+0x9/0x20 [ 41.043406][ T92] __kmem_cache_alloc_node+0x3d/0x2d0 [ 41.048809][ T92] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 41.054557][ T92] ? kasan_save_alloc_info+0x1f/0x30 [ 41.059862][ T92] ? __kasan_slab_alloc+0x72/0x80 [ 41.064916][ T92] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 41.070665][ T92] kmalloc_trace+0x29/0xb0 [ 41.075147][ T92] selinux_sk_alloc_security+0x7e/0x1a0 [ 41.080724][ T92] security_sk_alloc+0x83/0xb0 [ 41.086295][ T92] sk_prot_alloc+0x108/0x320 [ 41.090908][ T92] sk_alloc+0x3b/0x460 [ 41.095001][ T92] unix_create1+0xb8/0x710 [ 41.099446][ T92] unix_create+0x149/0x200 [ 41.103886][ T92] __sock_create+0x39e/0x7c0 [ 41.108499][ T92] __sys_socket+0xcd/0x1a0 [ 41.112941][ T92] __x64_sys_socket+0x7a/0x90 [ 41.117645][ T92] x64_sys_call+0x449/0x9a0 [ 41.122170][ T92] do_syscall_64+0x4c/0xa0 [ 41.126607][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.131314][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.136006][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.141931][ T92] RIP: 0033:0x7f4138324707 [ 41.146367][ T92] 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 [ 41.165987][ T92] RSP: 002b:00007ffec5adc168 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 41.174420][ T92] RAX: ffffffffffffffda RBX: 000000000000004d RCX: 00007f4138324707 [ 41.182411][ T92] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 41.190401][ T92] RBP: 00007f41383b0560 R08: 0000000000000000 R09: 0000000000000000 [ 41.198387][ T92] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 41.206383][ T92] R13: 00007ffec5adc290 R14: 0000000000000032 R15: 00007ffec5adc290 [ 41.214376][ T92] [ 41.220412][ T324] FAULT_INJECTION: forcing a failure. [ 41.220412][ T324] name failslab, interval 1, probability 1, space 0, times 58 [ 41.220943][ T92] FAULT_INJECTION: forcing a failure. [ 41.220943][ T92] name failslab, interval 1, probability 1, space 0, times 58 [ 41.233600][ T324] CPU: 1 PID: 324 Comm: syz.0.1 Not tainted syzkaller #0 [ 41.252962][ T324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.263042][ T324] Call Trace: [ 41.266348][ T324] [ 41.269318][ T324] __dump_stack+0x21/0x24 [ 41.273685][ T324] dump_stack_lvl+0x110/0x170 [ 41.278387][ T324] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.283434][ T324] ? tun_chr_close+0x92/0x140 [ 41.288166][ T324] ? do_exit+0xaf2/0x2850 [ 41.292530][ T324] ? get_signal+0x167c/0x1700 [ 41.297249][ T324] ? arch_do_signal_or_restart+0xd1/0x11c0 [ 41.303092][ T324] ? exit_to_user_mode_loop+0x7a/0xb0 [ 41.308576][ T324] ? syscall_exit_to_user_mode+0x1a/0x30 [ 41.314237][ T324] dump_stack+0x15/0x24 [ 41.318426][ T324] should_fail_ex+0x3bf/0x510 [ 41.323121][ T324] __should_failslab+0xac/0xf0 [ 41.327913][ T324] should_failslab+0x9/0x20 [ 41.332436][ T324] kmem_cache_alloc_node+0x42/0x330 [ 41.337665][ T324] ? __alloc_skb+0xe8/0x4a0 [ 41.342218][ T324] __alloc_skb+0xe8/0x4a0 [ 41.346601][ T324] rtmsg_ifa+0xfa/0x1e0 [ 41.350786][ T324] __inet_del_ifa+0x80b/0xd90 [ 41.355491][ T324] ? ip_mc_destroy_dev+0x2a3/0x2e0 [ 41.360670][ T324] inetdev_event+0x6a0/0x10a0 [ 41.365369][ T324] ? __cfi_inetdev_event+0x10/0x10 [ 41.370504][ T324] ? arp_netdev_event+0xd4/0x2b0 [ 41.375486][ T324] raw_notifier_call_chain+0xa1/0x110 [ 41.380877][ T324] unregister_netdevice_many+0x104a/0x1910 [ 41.386713][ T324] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 41.392567][ T324] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 41.398749][ T324] ? __kasan_check_write+0x14/0x20 [ 41.403889][ T324] ? queue_delayed_work_on+0x10d/0x160 [ 41.409380][ T324] ? linkwatch_fire_event+0x1dc/0x240 [ 41.414796][ T324] ? __kasan_check_read+0x11/0x20 [ 41.419841][ T324] unregister_netdevice_queue+0x2e1/0x320 [ 41.425613][ T324] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 41.431886][ T324] ? linkwatch_fire_event+0x208/0x240 [ 41.437296][ T324] __tun_detach+0xc9d/0x1450 [ 41.441925][ T324] tun_chr_close+0x92/0x140 [ 41.446454][ T324] ? __cfi_tun_chr_close+0x10/0x10 [ 41.451594][ T324] __fput+0x1fd/0x8f0 [ 41.455614][ T324] ____fput+0x15/0x20 [ 41.459621][ T324] task_work_run+0x1e1/0x250 [ 41.464253][ T324] ? __cfi_task_work_run+0x10/0x10 [ 41.469400][ T324] ? free_nsproxy+0x21f/0x270 [ 41.474111][ T324] do_exit+0xaf2/0x2850 [ 41.478385][ T324] ? __schedule+0xbea/0x14b0 [ 41.483012][ T324] ? __cfi_do_exit+0x10/0x10 [ 41.487637][ T324] ? plist_check_list+0x255/0x270 [ 41.492690][ T324] ? _raw_spin_lock+0x94/0xf0 [ 41.497400][ T324] ? __kasan_check_write+0x14/0x20 [ 41.502545][ T324] ? _raw_spin_lock_irq+0x95/0xf0 [ 41.507599][ T324] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 41.513179][ T324] do_group_exit+0x21b/0x2e0 [ 41.517802][ T324] ? __kasan_check_write+0x14/0x20 [ 41.522933][ T324] ? recalc_sigpending+0x168/0x1c0 [ 41.528082][ T324] get_signal+0x167c/0x1700 [ 41.532626][ T324] ? __cfi_get_signal+0x10/0x10 [ 41.537524][ T324] arch_do_signal_or_restart+0xd1/0x11c0 [ 41.543186][ T324] ? do_futex+0x2e2/0x430 [ 41.547542][ T324] ? __cfi_do_futex+0x10/0x10 [ 41.552241][ T324] ? switch_mm_irqs_off+0x730/0x960 [ 41.557460][ T324] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 41.563649][ T324] ? __se_sys_futex+0x136/0x310 [ 41.568525][ T324] ? __kasan_check_write+0x14/0x20 [ 41.573657][ T324] exit_to_user_mode_loop+0x7a/0xb0 [ 41.578879][ T324] exit_to_user_mode_prepare+0x87/0xd0 [ 41.584364][ T324] syscall_exit_to_user_mode+0x1a/0x30 [ 41.589843][ T324] do_syscall_64+0x58/0xa0 [ 41.594282][ T324] ? clear_bhb_loop+0x30/0x80 [ 41.598998][ T324] ? clear_bhb_loop+0x30/0x80 [ 41.603704][ T324] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.609627][ T324] RIP: 0033:0x7f1eb9f9df99 [ 41.614069][ T324] Code: Unable to access opcode bytes at 0x7f1eb9f9df6f. [ 41.621111][ T324] RSP: 002b:00007f1ebae660e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 41.629549][ T324] RAX: fffffffffffffe00 RBX: 00007f1eba226098 RCX: 00007f1eb9f9df99 [ 41.637539][ T324] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1eba226098 [ 41.645529][ T324] RBP: 00007f1eba226090 R08: 0000000000000000 R09: 0000000000000000 [ 41.653514][ T324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.661496][ T324] R13: 00007f1eba226128 R14: 00007ffe787a9190 R15: 00007ffe787a9278 [ 41.669486][ T324] [ 41.672524][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 41.673354][ C1] FAULT_INJECTION: forcing a failure. [ 41.673354][ C1] name failslab, interval 1, probability 1, space 0, times 58 [ 41.679318][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.679331][ T92] Call Trace: [ 41.679337][ T92] [ 41.679345][ T92] __dump_stack+0x21/0x24 [ 41.712616][ T92] dump_stack_lvl+0x110/0x170 [ 41.717320][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.722427][ T92] dump_stack+0x15/0x24 [ 41.726604][ T92] should_fail_ex+0x3bf/0x510 [ 41.731291][ T92] __should_failslab+0xac/0xf0 [ 41.736089][ T92] should_failslab+0x9/0x20 [ 41.740605][ T92] kmem_cache_alloc_node+0x42/0x330 [ 41.745823][ T92] ? __alloc_skb+0xe8/0x4a0 [ 41.750338][ T92] __alloc_skb+0xe8/0x4a0 [ 41.754687][ T92] alloc_skb_with_frags+0xa8/0x620 [ 41.759814][ T92] ? memcpy+0x56/0x70 [ 41.763810][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 41.769032][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 41.774767][ T92] ? __kasan_check_write+0x14/0x20 [ 41.779893][ T92] ? _raw_spin_lock+0x94/0xf0 [ 41.784593][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 41.789823][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 41.794989][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 41.800599][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 41.806514][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 41.812089][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 41.817573][ T92] __sys_sendto+0x4ac/0x660 [ 41.822104][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 41.827148][ T92] ? __cfi_do_syslog+0x10/0x10 [ 41.831929][ T92] ? __sys_connect+0x267/0x460 [ 41.836718][ T92] __x64_sys_sendto+0xe5/0x100 [ 41.841489][ T92] x64_sys_call+0x83/0x9a0 [ 41.845919][ T92] do_syscall_64+0x4c/0xa0 [ 41.850358][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.855113][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.859799][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.865719][ T92] RIP: 0033:0x7f41382a9407 [ 41.870155][ T92] 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 [ 41.889771][ T92] RSP: 002b:00007ffec5adc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 41.898219][ T92] RAX: ffffffffffffffda RBX: 00007f4138159c80 RCX: 00007f41382a9407 [ 41.906203][ T92] RDX: 0000000000000051 RSI: 00007ffec5adc290 RDI: 0000000000000003 [ 41.914187][ T92] RBP: 00007ffec5adc6c0 R08: 0000000000000000 R09: 0000000000000000 [ 41.922182][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffec5adc6d8 [ 41.930193][ T92] R13: 00007ffec5adc290 R14: 0000000000000036 R15: 00007ffec5adc290 [ 41.938192][ T92] [ 41.941240][ C1] CPU: 1 PID: 324 Comm: syz.0.1 Not tainted syzkaller #0 [ 41.948321][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.958394][ C1] Call Trace: [ 41.961691][ C1] [ 41.964574][ C1] __dump_stack+0x21/0x24 [ 41.968931][ C1] dump_stack_lvl+0x110/0x170 [ 41.973628][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.978674][ C1] ? stack_trace_save+0xa6/0xf0 [ 41.983552][ C1] dump_stack+0x15/0x24 [ 41.987741][ C1] should_fail_ex+0x3bf/0x510 [ 41.992438][ C1] ? dst_alloc+0x16a/0x1e0 [ 41.996876][ C1] __should_failslab+0xac/0xf0 [ 42.001682][ C1] should_failslab+0x9/0x20 [ 42.006215][ C1] kmem_cache_alloc+0x3b/0x320 [ 42.011006][ C1] ? handle_softirqs+0x1d7/0x600 [ 42.015984][ C1] ? __irq_exit_rcu+0x52/0xf0 [ 42.020681][ C1] ? __cfi_ip6_dst_gc+0x10/0x10 [ 42.025564][ C1] dst_alloc+0x16a/0x1e0 [ 42.029822][ C1] icmp6_dst_alloc+0xf8/0x510 [ 42.034528][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 42.039214][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 42.044425][ C1] ? memset+0x35/0x40 [ 42.048423][ C1] ? __ndisc_fill_addr_option+0xd7/0x130 [ 42.054063][ C1] ndisc_send_rs+0x66a/0x870 [ 42.058664][ C1] addrconf_rs_timer+0x35a/0x600 [ 42.063612][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 42.069079][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 42.074114][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 42.079672][ C1] ? wg_expired_retransmit_handshake+0xd8/0x250 [ 42.085943][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 42.091413][ C1] call_timer_fn+0x46/0x2a0 [ 42.095926][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 42.101401][ C1] __run_timers+0x646/0x9b0 [ 42.105920][ C1] ? calc_index+0x200/0x200 [ 42.110442][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 42.115658][ C1] run_timer_softirq+0x6a/0xf0 [ 42.120433][ C1] handle_softirqs+0x1d7/0x600 [ 42.125212][ C1] __irq_exit_rcu+0x52/0xf0 [ 42.129726][ C1] irq_exit_rcu+0x9/0x10 [ 42.133977][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 42.139621][ C1] [ 42.142642][ C1] [ 42.145583][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 42.151581][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 42.157054][ 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 [ 42.176670][ C1] RSP: 0018:ffffc9000dcdf0e0 EFLAGS: 00000293 [ 42.182743][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88810e905100