last executing test programs: 22.839884636s ago: executing program 4 (id=5): bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000003cc0)={@ifindex, 0xffffffffffffffff, 0x16, 0x6}, 0x20) 22.759372648s ago: executing program 4 (id=6): r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)=@newqdisc={0x44, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_hfsc={{0x9}, {0x14, 0x2, @TCA_HFSC_USC={0x10}}}]}, 0x44}}, 0x0) r3 = socket(0x2a, 0x2, 0x0) getsockname$packet(r3, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001480)=0x14) sendmsg$nl_route_sched(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)=@gettclass={0x24, 0x2a, 0x20, 0x70bd27, 0x25dfdbff, {0x0, 0x0, 0x0, r2, {0x7ff8, 0xe}, {0xd, 0xb}, {0xb, 0x10}}}, 0x24}, 0x1, 0x0, 0x0, 0x810}, 0x0) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)=@newtfilter={0x44, 0x2c, 0xd27, 0x70bd2d, 0x0, {0x0, 0x0, 0x0, r4, {0xf, 0xfff2}, {}, {0x8, 0xffff}}, [@filter_kind_options=@f_flow={{0x9}, {0x14, 0x2, [@TCA_FLOW_KEYS={0x8, 0x1, 0x1e9e2}, @TCA_FLOW_MODE={0x8, 0x2, 0x1}]}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x4000) r5 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r5, &(0x7f00000002c0), 0x40000000000009f, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$tipc2(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$TIPC_NL_KEY_SET(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x54, r7, 0x1, 0x0, 0x25dfdbfc, {0x3}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2f}}}, {0x14, 0x2, @in={0x2, 0x0, @empty}}}}, @TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz2\x00'}]}]}, 0x54}}, 0x0) 22.738801908s ago: executing program 0 (id=1): syz_mount_image$tmpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000180)=@filename='none\x00', &(0x7f00000001c0)='./config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r0 = open(&(0x7f00000002c0)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x241, 0x1ff) write(r0, &(0x7f0000000300)='012345678', 0x9) close(r0) mkdir(&(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000380)='./config/usb_gadget/g1/functions/uvc.usb0\x00', 0x1ff) mkdir(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv\x00', 0x1ff) mkdir(&(0x7f0000000440)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p\x00', 0x1ff) r1 = open(&(0x7f00000004c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/wWidth\x00', 0x241, 0x1ff) write(r1, &(0x7f0000000540), 0x0) close(r1) r2 = open(&(0x7f0000000580)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/wHeight\x00', 0x241, 0x1ff) write(r2, &(0x7f0000000600)='720', 0x3) close(r2) r3 = open(&(0x7f0000000640)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/dwMaxVideoFrameBufferSize\x00', 0x241, 0x1ff) write(r3, &(0x7f00000006c0)='1843200', 0x7) close(r3) r4 = open(&(0x7f0000000700)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/dwFrameInterval\x00', 0x241, 0x1ff) write(r4, &(0x7f0000000780)='333333', 0x6) close(r4) mkdir(&(0x7f00000007c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', 0x1ff) symlink(&(0x7f0000000800)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv\x00', &(0x7f0000000880)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h/yuyv\x00') symlink(&(0x7f0000000900)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000000940)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/fs/h\x00') symlink(&(0x7f0000000980)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f00000009c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/hs/h\x00') symlink(&(0x7f0000000a00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000000a40)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/ss/h\x00') mkdir(&(0x7f0000000a80)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', 0x1ff) symlink(&(0x7f0000000ac0)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000b00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/fs/h\x00') symlink(&(0x7f0000000b40)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000b80)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/ss/h\x00') symlink(&(0x7f0000000bc0)='./config/usb_gadget/g1/functions/uvc.usb0\x00', &(0x7f0000000c00)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') r5 = open(&(0x7f0000000c40)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r5, &(0x7f0000000c80)='dummy_udc.0', 0xb) close(r5) unlink(&(0x7f0000000cc0)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') 22.705703629s ago: executing program 1 (id=2): r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000440)={0x28, 0x0, 0x0, @local}, 0x10) listen(r0, 0x401) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0x2711, @local}, 0x10) connect$vsock_stream(r1, &(0x7f0000000100)={0x28, 0x0, 0x0, @local}, 0x10) 22.567912622s ago: executing program 1 (id=7): pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000005c0)='fd', 0x0, r0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x2) fchdir(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./file0\x00', 0x0) r3 = open_tree(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x89901) move_mount(r3, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0) r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r4, r4) setpgid(0x0, r4) statfs(&(0x7f0000000240)='./file0\x00', 0x0) timer_create(0x7, 0x0, 0x0) 22.567735052s ago: executing program 3 (id=4): r0 = syz_usb_connect(0x0, 0x2d, &(0x7f00000005c0)=ANY=[@ANYBLOB="1201000005d0d3087d07aa04d85b0102030109021b000f000000000904000001dbcc7a000905", @ANYRES32], 0x0) sendmsg$NL80211_CMD_AUTHENTICATE(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="010002000020ffdbdf252500000008000300", @ANYBLOB="080026006c0900000800a00007000000ebff22012000000008009f000600000008009f002acc2a21080035000000000004000a0028006e800400020004000100040001000400020004000100040002000400010004000100040001"], 0x78}, 0x1, 0x0, 0x0, 0x24040850}, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x4, 0x2) write$char_usb(r1, &(0x7f0000000040)="e2", 0x2250) 22.567511962s ago: executing program 4 (id=8): syz_emit_ethernet(0x4a, &(0x7f0000000140)={@multicast, @local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0500e2", 0x14, 0x2c, 0x1, @remote, @local, {[], {{0x8000, 0x4e23, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x10, 0x0, 0x0, 0x6}}}}}}}, 0x0) syz_emit_ethernet(0x3e, &(0x7f0000000140)={@local, @link_local={0x17, 0x80, 0xc2, 0x6, 0x5}, @void, {@ipv6={0x86dd, @generic={0x0, 0x6, "182325", 0x8, 0x2c, 0x0, @remote, @local, {[@routing={0x8, 0x0, 0x2, 0x9}]}}}}}, 0x0) 22.567409462s ago: executing program 2 (id=3): syz_mount_image$exfat(&(0x7f0000001500), &(0x7f0000001540)='./file0\x00', 0x0, &(0x7f0000001580), 0x1, 0x14d3, &(0x7f00000015c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000002ac0)='test_file\x00', 0x42, 0x1c0) write(r0, &(0x7f0000002b00)='hello world! some more data to fill a block or more...\x00', 0x40) 22.566883202s ago: executing program 0 (id=9): syz_mount_image$tmpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000180)=@filename='none\x00', &(0x7f00000001c0)='./config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r0 = open(&(0x7f00000002c0)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x241, 0x1ff) write(r0, &(0x7f0000000300)='0123456789', 0xa) close(r0) mkdir(&(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000380)='./config/usb_gadget/g1/functions/uvc.usb0\x00', 0x1ff) mkdir(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv\x00', 0x1ff) mkdir(&(0x7f0000000440)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p\x00', 0x1ff) r1 = open(&(0x7f00000004c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/wWidth\x00', 0x241, 0x1ff) write(r1, &(0x7f0000000540)='1280', 0x4) close(r1) r2 = open(&(0x7f0000000580)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/wHeight\x00', 0x241, 0x1ff) write(r2, &(0x7f0000000600)='720', 0x3) close(r2) r3 = open(&(0x7f0000000640)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/dwMaxVideoFrameBufferSize\x00', 0x241, 0x1ff) write(r3, &(0x7f00000006c0)='1843200', 0x7) r4 = open(&(0x7f0000000700)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv/720p/dwFrameInterval\x00', 0x241, 0x1ff) write(r4, &(0x7f0000000780), 0x0) close(r4) mkdir(&(0x7f00000007c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', 0x1ff) symlink(&(0x7f0000000800)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/yuyv\x00', &(0x7f0000000880)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h/yuyv\x00') symlink(&(0x7f0000000900)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000000940)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/fs/h\x00') symlink(&(0x7f0000000980)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f00000009c0)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/hs/h\x00') symlink(&(0x7f0000000a00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000000a40)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/ss/h\x00') mkdir(&(0x7f0000000a80)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', 0x1ff) symlink(&(0x7f0000000ac0)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000b00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/fs/h\x00') symlink(&(0x7f0000000b40)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000b80)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/ss/h\x00') symlink(&(0x7f0000000bc0)='./config/usb_gadget/g1/functions/uvc.usb0\x00', &(0x7f0000000c00)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') r5 = open(&(0x7f0000000c40)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r5, &(0x7f0000000c80)='dummy_udc.0', 0xb) close(r5) unlink(&(0x7f0000000cc0)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') 22.508283904s ago: executing program 1 (id=10): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22}, 0x1c) listen(r0, 0xfff) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @dev, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, '\x00', 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, 0x0) r1 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000000010bd287100000000000001090224"], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000006340)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "8a35f2", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x7}}}}}}}, 0x0) 22.507929564s ago: executing program 4 (id=11): mkdir(&(0x7f0000000000)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./mysys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mysys/bus/pci/devices/0000:00:02.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='0000:00:02.0', 0xc) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./mysys/bus/pci/devices/0000:00:02.0/driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000800)='amd5536udc-pci', 0xe) r2 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./mysys/bus/pci/devices/0000:00:04.0/driver/unbind\x00', 0x1, 0x0) syz_usb_connect(0x0, 0x3f, &(0x7f00000001c0)=ANY=[@ANYBLOB="11010000733336088dee1edb23610000000109022d010110000000"], 0x0) r3 = syz_open_dev$usbfs(0x0, 0x10000001d, 0x8041) ioctl$USBDEVFS_SUBMITURB(r3, 0x8038550a, &(0x7f0000000240)=@urb_type_iso={0x0, {0x5}, 0x3, 0x80, 0x0, 0x0, 0x2, 0x6512c6de, 0x59, 0xc, 0x100, 0x0, [{0x1ff, 0x3, 0x1}]}) write(r2, &(0x7f0000000a00)='0000:00:04.0', 0xc) r4 = openat(0xffffffffffffff9c, &(0x7f0000000b00)='./mysys/bus/pci/devices/0000:00:04.0/driver_override\x00', 0x1, 0x0) write(r4, &(0x7f0000000c00)='amd5536udc-pci', 0xe) r5 = openat(0xffffffffffffff9c, &(0x7f0000000d00)='./mysys/bus/pci/drivers/amd5536udc-pci/bind\x00', 0x1, 0x0) write(r5, &(0x7f0000000e00)='0000:00:02.0', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./mysys/bus/pci/drivers/amd5536udc-pci/bind\x00', 0x1, 0x0) write(r6, &(0x7f0000001000)='0000:00:04.0', 0xc) 22.507394344s ago: executing program 0 (id=12): mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x69) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file0\x00', 0x8000, 0x6) read$FUSE(r0, &(0x7f0000002140)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f0000004180)="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ee9f75191631d2a4c4da06fc38423b1d5b828d7201235b2974164f52aa16bee70ee509250752f4fdd6b9f8d021943df8320682a6f80ff0d67ab7a4ceea807bd5b3b7b6380b0c7f0caa67b0208ba71317f0355a3b755af0e2c007186389438615df80b7b25104a733fc90625b62682198733c0f1625dfaa08cf81e3df043094b7b5a098b3b36f803b5b0f10a057bf814ae3579932c0a5f208985bab3d817f975283b8838ae5cb709be72b58df7425e059fdbf4e0ee51b3da01fe0b44963c1196baee5ec5909ad80d9d1660f3edd90374952a0bf8b3bece2c2f944593f4de7de5e05ded096b8f4f05d65dfc2e806f78220d84b3db564fb12f4e5e8f5eab316591f004e9374cce8e787263bc3827affe6793c130b8621d3bbb2a86fd87f070ea21718281ee7aec4bb3bb71af4bf5721cecd139c4be8c9df4ec8dfb09a5cf1d86a25d39faa9f064a997c214f334e4410917fc3b4d67ada8d87a38c0f86b02bf653dddaeb5b75b300f8bcfd792858bef8ab23e063421939c59212964c9ed5dd56e215db58cef53d31a966bb8ce4ed56287fecb3a85ba435e0b41b20ba1164b9c9f2c49fa0f7b17a89e0ec47eefe992d63ee29c8c0a1ece2664fee8edadd43636a54c48519b4fcf55b0d9103602b92441a5f85cf8c5e406d0f5815f8f37309934bd78fbc2acf0a03b051b4528db4f7c09de7d0aabafca3736b8259c818ca338ca6754e0747717c2794d664a1cacc1e9c52764a308e6df73d975638630b74cce6c49b1bac16454e96852c4f9d8ed118e86d2f1c8dc33bccd4a07be128db5e80f5684ddcc1158e744411acde590f902f0987cfb750bb5bfeed53bff076868986b566d7701f48ddfcacbd325c8d930bcef26713bf60585d5c991e2a6cc33ccbc27f7ddfba18f998497c2eb378cc8f2cc07a1b4f141c5e0fb6f52e18242e505bcf6dd20e33a469d056a0b4fd5e72d0da9d0bcce1e2f9e9dc7d1c7b6cb0f3604287eca", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x90, 0x0, 0xffffffffffffffff, {0xffffffffffffffff, 0x2, 0x101, 0x0, 0x0, 0x3, {0x40, 0xd08, 0x4, 0x2, 0x4, 0x0, 0x7, 0x3, 0x122, 0x6000, 0x10000, 0x0, r2, 0x982}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000000440)={0x50, 0x0, r1, {0x7, 0x29, 0x0, 0x100000, 0x0, 0x101, 0xfffffffd, 0x2, 0x0, 0x0, 0x20, 0x1}}, 0x50) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r3, &(0x7f0000000140)='10', 0x2) close(0xffffffffffffffff) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r4, &(0x7f0000000240)='100\x00', 0x3) close(r3) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='3\x00', 0x1) 22.461287315s ago: executing program 1 (id=13): setns(0xc9, 0x0) r0 = socket(0x8, 0x2, 0x8) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, 0x0) 22.412614646s ago: executing program 32 (id=13): setns(0xc9, 0x0) r0 = socket(0x8, 0x2, 0x8) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, 0x0) 22.363757767s ago: executing program 2 (id=15): syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000600), 0x1, 0x56e, &(0x7f0000000640)="$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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_SETFSUUID(r0, 0x4008662c, &(0x7f0000000680)={0x10, 0x22, "79cfc9afc5d1fe5e094f89a9781374c6"}) 0s ago: executing program 33 (id=12): mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x69) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file0\x00', 0x8000, 0x6) read$FUSE(r0, &(0x7f0000002140)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f0000004180)="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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x90, 0x0, 0xffffffffffffffff, {0xffffffffffffffff, 0x2, 0x101, 0x0, 0x0, 0x3, {0x40, 0xd08, 0x4, 0x2, 0x4, 0x0, 0x7, 0x3, 0x122, 0x6000, 0x10000, 0x0, r2, 0x982}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000000440)={0x50, 0x0, r1, {0x7, 0x29, 0x0, 0x100000, 0x0, 0x101, 0xfffffffd, 0x2, 0x0, 0x0, 0x20, 0x1}}, 0x50) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r3, &(0x7f0000000140)='10', 0x2) close(0xffffffffffffffff) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r4, &(0x7f0000000240)='100\x00', 0x3) close(r3) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='3\x00', 0x1) kernel console output (not intermixed with test programs): 6 [ 59.919914][ C0] Call Trace: [ 59.923205][ C0] [ 59.926070][ C0] __dump_stack+0x21/0x30 [ 59.930417][ C0] dump_stack_lvl+0x110/0x170 [ 59.935113][ C0] ? show_regs_print_info+0x20/0x20 [ 59.937844][ T63] FAULT_INJECTION: forcing a failure. [ 59.937844][ T63] name failslab, interval 1, probability 10, space 0, times 25 [ 59.940331][ C0] ? prandom_u32+0x24d/0x290 [ 59.953858][ T43] FAULT_INJECTION: forcing a failure. [ 59.953858][ T43] name failslab, interval 1, probability 10, space 0, times 25 [ 59.957677][ C0] dump_stack+0x15/0x20 [ 59.974692][ C0] should_fail+0x3ab/0x500 [ 59.979162][ C0] __should_failslab+0xa4/0xe0 [ 59.983946][ C0] should_failslab+0x9/0x20 [ 59.988464][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 59.993506][ C0] ? __alloc_skb+0xe4/0x730 [ 59.998022][ C0] kmem_cache_alloc+0x44/0x260 [ 60.002929][ C0] __alloc_skb+0xe4/0x730 [ 60.007279][ C0] ndisc_send_rs+0x310/0x960 [ 60.011969][ C0] addrconf_rs_timer+0x35a/0x600 [ 60.017162][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.023601][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.029765][ C0] call_timer_fn+0x38/0x290 [ 60.034372][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.040906][ C0] __run_timers+0x637/0x9a0 [ 60.045515][ C0] ? calc_index+0x200/0x200 [ 60.050380][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 60.055815][ C0] run_timer_softirq+0x6a/0xf0 [ 60.060654][ C0] handle_softirqs+0x250/0x560 [ 60.065614][ C0] __irq_exit_rcu+0x52/0xf0 [ 60.070398][ C0] irq_exit_rcu+0x9/0x10 [ 60.074655][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 60.080331][ C0] [ 60.083566][ C0] [ 60.086721][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 60.092777][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 60.098407][ C0] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be 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 [ 60.118071][ C0] RSP: 0018:ffffc900080e7720 EFLAGS: 00000293 [ 60.124787][ C0] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810e12e2c0 [ 60.134459][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 60.142550][ C0] RBP: ffffc900080e77b0 R08: 0000000000000003 R09: 0000000000000004 [ 60.150788][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 60.158789][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200101cee4 [ 60.167050][ C0] ? dump_stack_lvl+0x13b/0x170 [ 60.172042][ C0] ? show_regs_print_info+0x20/0x20 [ 60.177293][ C0] ? prandom_u32+0x24d/0x290 [ 60.181937][ C0] dump_stack+0x15/0x20 [ 60.187395][ C0] should_fail+0x3ab/0x500 [ 60.191954][ C0] __should_failslab+0xa4/0xe0 [ 60.196755][ C0] should_failslab+0x9/0x20 [ 60.201291][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 60.206705][ C0] ? security_file_alloc+0x33/0x120 [ 60.211924][ C0] kmem_cache_alloc+0x44/0x260 [ 60.216786][ C0] security_file_alloc+0x33/0x120 [ 60.221914][ C0] __alloc_file+0xb5/0x2a0 [ 60.226354][ C0] alloc_empty_file+0x97/0x180 [ 60.231690][ C0] path_openat+0xf4/0x2f80 [ 60.236147][ C0] ? __stack_depot_save+0x34/0x480 [ 60.241286][ C0] ? page_add_file_rmap+0x5a4/0x700 [ 60.246498][ C0] ? __kasan_slab_alloc+0xc9/0xe0 [ 60.251537][ C0] ? __kasan_slab_alloc+0xb7/0xe0 [ 60.256575][ C0] ? slab_post_alloc_hook+0x4f/0x2b0 [ 60.261889][ C0] ? kmem_cache_alloc+0xf7/0x260 [ 60.267098][ C0] ? getname_flags+0xba/0x510 [ 60.271787][ C0] ? getname+0x19/0x20 [ 60.275870][ C0] ? do_sys_openat2+0xeb/0x7f0 [ 60.280645][ C0] ? __x64_sys_openat+0x136/0x160 [ 60.285683][ C0] ? x64_sys_call+0x219/0x9a0 [ 60.290383][ C0] ? do_syscall_64+0x4c/0xa0 [ 60.295078][ C0] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.301289][ C0] ? do_filp_open+0x400/0x400 [ 60.305981][ C0] do_filp_open+0x1df/0x400 [ 60.310691][ C0] ? vfs_tmpfile+0x2d0/0x2d0 [ 60.315400][ C0] do_sys_openat2+0x15e/0x7f0 [ 60.320266][ C0] ? account_locked_vm+0x270/0x270 [ 60.325439][ C0] ? do_sys_open+0xe0/0xe0 [ 60.329884][ C0] ? __kasan_check_write+0x14/0x20 [ 60.335192][ C0] __x64_sys_openat+0x136/0x160 [ 60.340116][ C0] x64_sys_call+0x219/0x9a0 [ 60.344635][ C0] do_syscall_64+0x4c/0xa0 [ 60.349075][ C0] ? clear_bhb_loop+0x50/0xa0 [ 60.353767][ C0] ? clear_bhb_loop+0x50/0xa0 [ 60.358465][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.364801][ C0] RIP: 0033:0x7fd8c2929117 [ 60.369363][ C0] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 60.389090][ C0] RSP: 002b:00007fff5f982ba0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 60.397529][ C0] RAX: ffffffffffffffda RBX: 000055555d17b500 RCX: 00007fd8c2929117 [ 60.405518][ C0] RDX: 0000000000000002 RSI: 00007fd8c2a0458c RDI: ffffffffffffff9c [ 60.413504][ C0] RBP: 00007fd8c2bf6128 R08: 0000000000000000 R09: 0000000000000000 [ 60.421491][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 60.429561][ C0] R13: 0000000000000003 R14: 00007fff5f982e98 R15: 0000000000000000 [ 60.437548][ C0] [ 60.440580][ T43] CPU: 1 PID: 43 Comm: kworker/1:1H Not tainted syzkaller #0 [ 60.447985][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.458151][ T43] Workqueue: kblockd blk_mq_run_work_fn [ 60.463720][ T43] Call Trace: [ 60.467014][ T43] [ 60.469957][ T43] __dump_stack+0x21/0x30 [ 60.474305][ T43] dump_stack_lvl+0x110/0x170 [ 60.479024][ T43] ? show_regs_print_info+0x20/0x20 [ 60.484250][ T43] ? prandom_u32+0x24d/0x290 [ 60.488859][ T43] dump_stack+0x15/0x20 [ 60.493064][ T43] should_fail+0x3ab/0x500 [ 60.497521][ T43] __should_failslab+0xa4/0xe0 [ 60.502309][ T43] should_failslab+0x9/0x20 [ 60.506829][ T43] slab_pre_alloc_hook+0x39/0xd0 [ 60.511786][ T43] ? mempool_alloc_slab+0x1d/0x30 [ 60.516928][ T43] kmem_cache_alloc+0x44/0x260 [ 60.521708][ T43] ? mempool_free+0x330/0x330 [ 60.526401][ T43] mempool_alloc_slab+0x1d/0x30 [ 60.531270][ T43] mempool_alloc+0x167/0x4c0 [ 60.535877][ T43] ? virtqueue_add+0x3541/0x4210 [ 60.540943][ T43] ? mempool_resize+0x880/0x880 [ 60.545821][ T43] sg_pool_alloc+0xb0/0xe0 [ 60.550284][ T43] __sg_alloc_table+0x1c1/0x6d0 [ 60.555238][ T43] sg_alloc_table_chained+0x8b/0x1e0 [ 60.560537][ T43] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 60.566108][ T43] scsi_alloc_sgtables+0x292/0x8a0 [ 60.571238][ T43] ? scsi_io_completion_action+0xce0/0xce0 [ 60.577060][ T43] sd_init_command+0x60e/0x2610 [ 60.581942][ T43] scsi_queue_rq+0x176e/0x31c0 [ 60.586746][ T43] blk_mq_dispatch_rq_list+0xa06/0x1c50 [ 60.592319][ T43] ? blk_mq_get_driver_tag+0x920/0x920 [ 60.597968][ T43] blk_mq_do_dispatch_sched+0xadf/0xc90 [ 60.603533][ T43] ? blk_mq_exit_sched+0x590/0x590 [ 60.608658][ T43] ? __switch_to+0x56c/0x1070 [ 60.613356][ T43] __blk_mq_sched_dispatch_requests+0x32c/0x410 [ 60.619609][ T43] ? compat_start_thread+0x20/0x20 [ 60.624734][ T43] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 60.630993][ T43] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 60.637099][ T43] __blk_mq_run_hw_queue+0xf3/0x170 [ 60.642322][ T43] blk_mq_run_work_fn+0x6d/0xc0 [ 60.647216][ T43] process_one_work+0x6c8/0xbb0 [ 60.652099][ T43] worker_thread+0xaa0/0x1250 [ 60.658023][ T43] ? __kasan_check_read+0x11/0x20 [ 60.663070][ T43] kthread+0x3f5/0x4f0 [ 60.667265][ T43] ? worker_clr_flags+0x190/0x190 [ 60.672629][ T43] ? kthread_blkcg+0xd0/0xd0 [ 60.677982][ T43] ret_from_fork+0x1f/0x30 [ 60.682431][ T43] [ 60.685475][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 60.692709][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.702787][ T6] Workqueue: usb_hub_wq hub_event [ 60.707836][ T6] Call Trace: [ 60.711131][ T6] [ 60.714075][ T6] __dump_stack+0x21/0x30 [ 60.718416][ T6] dump_stack_lvl+0x110/0x170 [ 60.723108][ T6] ? show_regs_print_info+0x20/0x20 [ 60.728404][ T6] ? prandom_u32+0x24d/0x290 [ 60.733009][ T6] dump_stack+0x15/0x20 [ 60.737356][ T6] should_fail+0x3ab/0x500 [ 60.741786][ T6] __should_failslab+0xa4/0xe0 [ 60.746570][ T6] should_failslab+0x9/0x20 [ 60.751085][ T6] slab_pre_alloc_hook+0x39/0xd0 [ 60.756298][ T6] __kmalloc+0x6d/0x2c0 [ 60.760474][ T6] ? _raw_spin_unlock+0x4d/0x70 [ 60.765341][ T6] ? usb_hcd_submit_urb+0x774/0x17a0 [ 60.770641][ T6] ? usb_hcd_link_urb_to_ep+0x280/0x350 [ 60.776426][ T6] usb_hcd_submit_urb+0x774/0x17a0 [ 60.781552][ T6] usb_submit_urb+0x1091/0x1730 [ 60.786424][ T6] usb_start_wait_urb+0x123/0x380 [ 60.791488][ T6] ? usb_api_blocking_completion+0xb0/0xb0 [ 60.797316][ T6] ? __kmalloc+0x13d/0x2c0 [ 60.801754][ T6] ? __kasan_check_write+0x14/0x20 [ 60.807022][ T6] usb_control_msg+0x243/0x3f0 [ 60.811834][ T6] hub_ext_port_status+0xf2/0x6a0 [ 60.816920][ T6] hub_port_reset+0x4b1/0x1910 [ 60.821728][ T6] hub_port_init+0xaeb/0x2760 [ 60.826432][ T6] hub_event+0x2542/0x43f0 [ 60.830875][ T6] ? hub_post_resume+0x120/0x120 [ 60.835847][ T6] ? __kasan_check_write+0x14/0x20 [ 60.840976][ T6] ? _raw_spin_lock_irq+0x95/0xf0 [ 60.846481][ T6] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.852066][ T6] process_one_work+0x6c8/0xbb0 [ 60.856947][ T6] worker_thread+0xaa0/0x1250 [ 60.862221][ T6] kthread+0x3f5/0x4f0 [ 60.869549][ T6] ? worker_clr_flags+0x190/0x190 [ 60.874617][ T6] ? kthread_blkcg+0xd0/0xd0 [ 60.879969][ T6] ret_from_fork+0x1f/0x30 [ 60.884448][ T6] [ 60.887484][ T337] CPU: 1 PID: 337 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 60.889279][ C0] FAULT_INJECTION: forcing a failure. [ 60.889279][ C0] name failslab, interval 1, probability 10, space 0, times 23 [ 60.894971][ T337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.919921][ T337] Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker [ 60.928301][ T337] Call Trace: [ 60.931951][ T337] [ 60.935037][ T337] __dump_stack+0x21/0x30 [ 60.939491][ T337] dump_stack_lvl+0x110/0x170 [ 60.944883][ T337] ? show_regs_print_info+0x20/0x20 [ 60.950145][ T337] dump_stack+0x15/0x20 [ 60.954438][ T337] should_fail+0x3ab/0x500 [ 60.959062][ T337] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.965182][ T337] __should_failslab+0xa4/0xe0 [ 60.970933][ T337] should_failslab+0x9/0x20 [ 60.975613][ T337] slab_pre_alloc_hook+0x39/0xd0 [ 60.981353][ T337] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.987562][ T337] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.995068][ T337] __kmalloc_track_caller+0x6c/0x2c0 [ 61.001782][ T337] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 61.009364][ T337] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 61.016822][ T337] __alloc_skb+0x210/0x730 [ 61.023285][ T337] wg_socket_send_buffer_to_peer+0x37/0x170 [ 61.030142][ T337] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 61.037238][ T337] wg_packet_handshake_send_worker+0x200/0x290 [ 61.044652][ T337] ? wg_prev_queue_dequeue+0x230/0x230 [ 61.052310][ T337] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 61.061130][ T337] ? _raw_spin_lock_irq+0x95/0xf0 [ 61.066293][ T337] ? _raw_spin_lock_irqsave+0x130/0x130 [ 61.072496][ T337] ? try_to_wake_up+0x610/0x1150 [ 61.080038][ T337] process_one_work+0x6c8/0xbb0 [ 61.085501][ T337] worker_thread+0xaa0/0x1250 [ 61.093063][ T337] ? __kasan_check_read+0x11/0x20 [ 61.098455][ T337] kthread+0x3f5/0x4f0 [ 61.104744][ T337] ? worker_clr_flags+0x190/0x190 [ 61.112019][ T337] ? kthread_blkcg+0xd0/0xd0 [ 61.120871][ T337] ret_from_fork+0x1f/0x30 [ 61.125585][ T337] [ 61.129367][ C0] CPU: 0 PID: 333 Comm: syz.0.12 Not tainted syzkaller #0 [ 61.130750][ T100] FAULT_INJECTION: forcing a failure. [ 61.130750][ T100] name failslab, interval 1, probability 10, space 0, times 23 [ 61.139353][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.139382][ C0] Call Trace: [ 61.139390][ C0] [ 61.139399][ C0] __dump_stack+0x21/0x30 [ 61.139426][ C0] dump_stack_lvl+0x110/0x170 [ 61.139446][ C0] ? show_regs_print_info+0x20/0x20 [ 61.139467][ C0] ? prandom_u32+0x24d/0x290 [ 61.139489][ C0] dump_stack+0x15/0x20 [ 61.139507][ C0] should_fail+0x3ab/0x500 [ 61.154717][ T10] FAULT_INJECTION: forcing a failure. [ 61.154717][ T10] name failslab, interval 1, probability 10, space 0, times 23 [ 61.167109][ C0] ? arp_create+0xe8/0x7f0 [ 61.167145][ C0] __should_failslab+0xa4/0xe0 [ 61.234267][ C0] should_failslab+0x9/0x20 [ 61.238906][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 61.243900][ C0] ? arp_create+0xe8/0x7f0 [ 61.250693][ C0] ? arp_create+0xe8/0x7f0 [ 61.255157][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 61.260584][ C0] ? arp_create+0xe8/0x7f0 [ 61.265206][ C0] ? arp_create+0xe8/0x7f0 [ 61.269663][ C0] __alloc_skb+0x210/0x730 [ 61.274100][ C0] arp_create+0xe8/0x7f0 [ 61.279263][ C0] arp_send_dst+0x8c/0x280 [ 61.283702][ C0] arp_process+0x153f/0x1bc0 [ 61.288489][ C0] ? arp_error_report+0xc0/0xc0 [ 61.296241][ C0] ? packet_sock_destruct+0x160/0x160 [ 61.302121][ C0] ? __netif_receive_skb_core+0x2962/0x2fb0 [ 61.310137][ C0] ? arp_error_report+0xc0/0xc0 [ 61.317186][ C0] NF_HOOK+0x169/0x1c0 [ 61.321303][ C0] ? arp_error_report+0xc0/0xc0 [ 61.327503][ C0] ? arp_xmit+0x1f0/0x1f0 [ 61.331904][ C0] ? set_rps_cpu+0x5d0/0x5d0 [ 61.336829][ C0] arp_rcv+0x2ef/0x480 [ 61.340926][ C0] ? arp_is_garp+0x160/0x160 [ 61.345618][ C0] __netif_receive_skb_list_core+0x704/0x770 [ 61.351639][ C0] ? __netif_receive_skb+0x280/0x280 [ 61.357026][ C0] ? receive_buf+0x2ec5/0x4bc0 [ 61.363038][ C0] netif_receive_skb_list_internal+0x7f8/0xaa0 [ 61.369212][ C0] ? netif_receive_skb_list+0x2a0/0x2a0 [ 61.375657][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 61.381244][ C0] ? detach_buf_split+0x88d/0xa90 [ 61.389278][ C0] napi_complete_done+0x375/0x7a0 [ 61.398786][ C0] ? __napi_schedule_irqoff+0x230/0x230 [ 61.404391][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 61.410581][ C0] ? virtqueue_enable_cb_prepare+0x235/0x570 [ 61.416682][ C0] virtnet_poll+0x8f4/0xe90 [ 61.421298][ C0] ? refill_work+0x220/0x220 [ 61.425910][ C0] __napi_poll+0xbb/0x580 [ 61.430259][ C0] net_rx_action+0x37f/0x910 [ 61.436469][ C0] ? net_tx_action+0x520/0x520 [ 61.441281][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 61.446818][ C0] ? irqtime_account_irq+0x76/0x390 [ 61.452426][ C0] handle_softirqs+0x250/0x560 [ 61.458063][ C0] __do_softirq+0xb/0xd [ 61.462291][ C0] do_softirq+0xdc/0x130 [ 61.466856][ C0] [ 61.470008][ C0] [ 61.473506][ C0] ? __local_bh_enable_ip+0x80/0x80 [ 61.478726][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 61.484906][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 61.489975][ C0] __local_bh_enable_ip+0x75/0x80 [ 61.495473][ C0] _raw_spin_unlock_bh+0x51/0x60 [ 61.500439][ C0] bdi_unregister+0x167/0x520 [ 61.505969][ C0] ? bdi_set_owner+0x80/0x80 [ 61.510737][ C0] ? _raw_spin_lock+0x94/0xf0 [ 61.515460][ C0] ? _raw_spin_trylock_bh+0x150/0x150 [ 61.520862][ C0] generic_shutdown_super+0x2cc/0x330 [ 61.526961][ C0] kill_anon_super+0x3a/0x70 [ 61.531679][ C0] fuse_kill_sb_anon+0x224/0x270 [ 61.536845][ C0] ? unregister_shrinker+0x1f4/0x280 [ 61.542447][ C0] deactivate_locked_super+0xa0/0x100 [ 61.547854][ C0] deactivate_super+0xaf/0xe0 [ 61.552919][ C0] cleanup_mnt+0x44f/0x500 [ 61.558081][ C0] __cleanup_mnt+0x19/0x20 [ 61.562516][ C0] task_work_run+0x127/0x190 [ 61.567482][ C0] do_exit+0xb70/0x29a0 [ 61.572113][ C0] ? put_task_struct+0x90/0x90 [ 61.576908][ C0] ? __kasan_check_write+0x14/0x20 [ 61.582055][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 61.587730][ C0] do_group_exit+0x149/0x310 [ 61.592358][ C0] ? __kasan_check_write+0x14/0x20 [ 61.597975][ C0] ? recalc_sigpending+0x1ac/0x230 [ 61.603672][ C0] get_signal+0x64f/0x1430 [ 61.611464][ C0] ? ____kasan_slab_free+0x130/0x160 [ 61.616908][ C0] arch_do_signal_or_restart+0xe2/0x1100 [ 61.623953][ C0] ? putname+0x111/0x160 [ 61.628351][ C0] ? do_sys_openat2+0x6df/0x7f0 [ 61.634122][ C0] ? get_sigframe_size+0x10/0x10 [ 61.639580][ C0] exit_to_user_mode_loop+0xa7/0xe0 [ 61.646601][ C0] exit_to_user_mode_prepare+0x87/0xd0 [ 61.654178][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 61.659689][ C0] do_syscall_64+0x58/0xa0 [ 61.664419][ C0] ? clear_bhb_loop+0x50/0xa0 [ 61.669128][ C0] ? clear_bhb_loop+0x50/0xa0 [ 61.673842][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.679857][ C0] RIP: 0033:0x7f8d33f89f99 [ 61.684649][ C0] Code: Unable to access opcode bytes at RIP 0x7f8d33f89f6f. [ 61.692054][ C0] RSP: 002b:00007f8d329e3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.704325][ C0] RAX: 0000000000000004 RBX: 00007f8d34211fa0 RCX: 00007f8d33f89f99 [ 61.713544][ C0] RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c [ 61.721817][ C0] RBP: 00007f8d34020ec4 R08: 0000000000000000 R09: 0000000000000000 [ 61.729964][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.738638][ C0] R13: 00007f8d34212038 R14: 00007f8d34211fa0 R15: 00007ffd8a935708 [ 61.746917][ C0] [ 61.750041][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 61.755278][ C0] FAULT_INJECTION: forcing a failure. [ 61.755278][ C0] name failslab, interval 1, probability 10, space 0, times 22 [ 61.757440][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.788668][ T10] Workqueue: events_unbound linkwatch_event [ 61.795401][ T10] Call Trace: [ 61.799336][ T10] [ 61.803950][ T10] __dump_stack+0x21/0x30 [ 61.808302][ T10] dump_stack_lvl+0x110/0x170 [ 61.813379][ T10] ? show_regs_print_info+0x20/0x20 [ 61.819562][ T10] ? prandom_u32+0x24d/0x290 [ 61.824198][ T10] dump_stack+0x15/0x20 [ 61.828723][ T10] should_fail+0x3ab/0x500 [ 61.833195][ T10] __should_failslab+0xa4/0xe0 [ 61.840024][ T10] should_failslab+0x9/0x20 [ 61.844584][ T10] slab_pre_alloc_hook+0x39/0xd0 [ 61.849577][ T10] ? __alloc_skb+0xe4/0x730 [ 61.855360][ T10] kmem_cache_alloc+0x44/0x260 [ 61.860142][ T10] __alloc_skb+0xe4/0x730 [ 61.865085][ T10] __neigh_notify+0x84/0x130 [ 61.869723][ T10] neigh_cleanup_and_release+0x2c/0x1a0 [ 61.875375][ T10] neigh_flush_dev+0x667/0x810 [ 61.880190][ T10] ? _raw_write_lock_bh+0x94/0xf0 [ 61.885430][ T10] __neigh_ifdown+0x3f/0x3a0 [ 61.890469][ T10] ? register_vlan_dev+0x630/0x630 [ 61.895603][ T10] neigh_carrier_down+0x22/0x30 [ 61.900472][ T10] ndisc_netdev_event+0x275/0x3e0 [ 61.905508][ T10] raw_notifier_call_chain+0x90/0x100 [ 61.910894][ T10] netdev_state_change+0x175/0x230 [ 61.916014][ T10] ? netdev_features_change+0x190/0x190 [ 61.921572][ T10] ? dev_deactivate+0x125/0x1b0 [ 61.926436][ T10] ? _raw_write_unlock+0x2b/0x60 [ 61.931385][ T10] linkwatch_do_dev+0x115/0x160 [ 61.936245][ T10] __linkwatch_run_queue+0x4b1/0x7c0 [ 61.941544][ T10] ? linkwatch_run_queue+0x20/0x20 [ 61.946668][ T10] ? try_to_wake_up+0x610/0x1150 [ 61.951619][ T10] linkwatch_event+0x4c/0x60 [ 61.956224][ T10] process_one_work+0x6c8/0xbb0 [ 61.961091][ T10] worker_thread+0xaa0/0x1250 [ 61.965789][ T10] kthread+0x3f5/0x4f0 [ 61.969871][ T10] ? worker_clr_flags+0x190/0x190 [ 61.974947][ T10] ? kthread_blkcg+0xd0/0xd0 [ 61.979572][ T10] ret_from_fork+0x1f/0x30 [ 61.984002][ T10] [ 61.987036][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 61.988330][ T335] FAULT_INJECTION: forcing a failure. [ 61.988330][ T335] name failslab, interval 1, probability 10, space 0, times 21 [ 61.994345][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 62.017255][ C0] Workqueue: mld mld_ifc_work [ 62.021958][ C0] Call Trace: [ 62.025263][ C0] [ 62.028129][ C0] __dump_stack+0x21/0x30 [ 62.032478][ C0] dump_stack_lvl+0x110/0x170 [ 62.037170][ C0] ? show_regs_print_info+0x20/0x20 [ 62.042384][ C0] ? prandom_u32+0x24d/0x290 [ 62.046984][ C0] dump_stack+0x15/0x20 [ 62.051969][ C0] should_fail+0x3ab/0x500 [ 62.056826][ C0] __should_failslab+0xa4/0xe0 [ 62.061625][ C0] should_failslab+0x9/0x20 [ 62.066235][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 62.071193][ C0] ? dst_alloc+0x15c/0x1d0 [ 62.075732][ C0] kmem_cache_alloc+0x44/0x260 [ 62.080793][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 62.087001][ C0] dst_alloc+0x15c/0x1d0 [ 62.091318][ C0] icmp6_dst_alloc+0xec/0x520 [ 62.096132][ C0] ? security_sk_classify_flow+0x7b/0x90 [ 62.101805][ C0] ? icmpv6_flow_init+0xd2/0x130 [ 62.106763][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 62.111462][ C0] ? worker_thread+0xaa0/0x1250 [ 62.116347][ C0] ? kthread+0x3f5/0x4f0 [ 62.120612][ C0] ? ret_from_fork+0x1f/0x30 [ 62.125221][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 62.130178][ C0] ? ndisc_send_rs+0x61f/0x960 [ 62.134950][ C0] ? memcpy+0x56/0x70 [ 62.138948][ C0] ndisc_send_rs+0x711/0x960 [ 62.143555][ C0] addrconf_rs_timer+0x35a/0x600 [ 62.148667][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.154767][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 62.160085][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 62.165775][ C0] ? wg_expired_retransmit_handshake+0xd8/0x230 [ 62.172240][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.178507][ C0] call_timer_fn+0x38/0x290 [ 62.183043][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.189136][ C0] __run_timers+0x637/0x9a0 [ 62.193664][ C0] ? calc_index+0x200/0x200 [ 62.195226][ C1] FAULT_INJECTION: forcing a failure. [ 62.195226][ C1] name failslab, interval 1, probability 10, space 0, times 21 [ 62.198179][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 62.215926][ C0] run_timer_softirq+0x6a/0xf0 [ 62.220729][ C0] handle_softirqs+0x250/0x560 [ 62.225523][ C0] __irq_exit_rcu+0x52/0xf0 [ 62.230041][ C0] irq_exit_rcu+0x9/0x10 [ 62.234302][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 62.239945][ C0] [ 62.242884][ C0] [ 62.245823][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 62.251818][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 62.257984][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 62.277600][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 62.283682][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 62.291677][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 62.299657][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 62.307637][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 62.315625][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 62.323627][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 62.329299][ C0] dump_stack_lvl+0xce/0x170 [ 62.333909][ C0] ? show_regs_print_info+0x20/0x20 [ 62.339118][ C0] dump_stack+0x15/0x20 [ 62.343286][ C0] should_fail+0x3ab/0x500 [ 62.347713][ C0] __should_failslab+0xa4/0xe0 [ 62.352489][ C0] should_failslab+0x9/0x20 [ 62.357001][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 62.361954][ C0] ? __alloc_skb+0xe4/0x730 [ 62.366468][ C0] kmem_cache_alloc+0x44/0x260 [ 62.371257][ C0] __alloc_skb+0xe4/0x730 [ 62.375611][ C0] mld_newpack+0x143/0x9e0 [ 62.380062][ C0] ? mld_sendpack+0xba0/0xba0 [ 62.384773][ C0] ? __switch_to+0x56c/0x1070 [ 62.389465][ C0] add_grec+0xee8/0x1340 [ 62.393720][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 62.400322][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 62.405182][ C0] mld_ifc_work+0x728/0xc40 [ 62.409693][ C0] ? __schedule+0xbd7/0x14a0 [ 62.414294][ C0] process_one_work+0x6c8/0xbb0 [ 62.419160][ C0] worker_thread+0xaa0/0x1250 [ 62.423863][ C0] kthread+0x3f5/0x4f0 [ 62.427945][ C0] ? worker_clr_flags+0x190/0x190 [ 62.432984][ C0] ? kthread_blkcg+0xd0/0xd0 [ 62.437584][ C0] ret_from_fork+0x1f/0x30 [ 62.442040][ C0] [ 62.445070][ C1] CPU: 1 PID: 331 Comm: syz.4.11 Not tainted syzkaller #0 [ 62.445761][ C0] FAULT_INJECTION: forcing a failure. [ 62.445761][ C0] name failslab, interval 1, probability 10, space 0, times 20 [ 62.452213][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 62.475090][ C1] Call Trace: [ 62.478397][ C1] [ 62.481253][ C1] __dump_stack+0x21/0x30 [ 62.485705][ C1] dump_stack_lvl+0x110/0x170 [ 62.490396][ C1] ? show_regs_print_info+0x20/0x20 [ 62.495695][ C1] dump_stack+0x15/0x20 [ 62.499860][ C1] should_fail+0x3ab/0x500 [ 62.504290][ C1] ? ndisc_send_rs+0x310/0x960 [ 62.509068][ C1] __should_failslab+0xa4/0xe0 [ 62.513849][ C1] should_failslab+0x9/0x20 [ 62.518373][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 62.523329][ C1] ? ndisc_send_rs+0x310/0x960 [ 62.528191][ C1] ? ndisc_send_rs+0x310/0x960 [ 62.532967][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 62.538266][ C1] ? ndisc_send_rs+0x310/0x960 [ 62.543062][ C1] ? ndisc_send_rs+0x310/0x960 [ 62.547931][ C1] __alloc_skb+0x210/0x730 [ 62.552367][ C1] ndisc_send_rs+0x310/0x960 [ 62.556973][ C1] addrconf_rs_timer+0x35a/0x600 [ 62.561927][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.568005][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.574082][ C1] call_timer_fn+0x38/0x290 [ 62.578602][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 62.584678][ C1] __run_timers+0x637/0x9a0 [ 62.589200][ C1] ? calc_index+0x200/0x200 [ 62.593721][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 62.598590][ C1] run_timer_softirq+0x6a/0xf0 [ 62.603369][ C1] handle_softirqs+0x250/0x560 [ 62.608148][ C1] __irq_exit_rcu+0x52/0xf0 [ 62.612668][ C1] irq_exit_rcu+0x9/0x10 [ 62.616919][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 62.622570][ C1] [ 62.625530][ C1] [ 62.628473][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 62.634467][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 62.640637][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 62.660700][ C1] RSP: 0018:ffffc90007857590 EFLAGS: 00000293 [ 62.666790][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810cb162c0 [ 62.674772][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 62.682881][ C1] RBP: ffffc90007857590 R08: 0000000000000003 R09: 0000000000000004 [ 62.690864][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 62.698848][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f0aeb4 [ 62.706835][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 62.712481][ C1] dump_stack_lvl+0xce/0x170 [ 62.717084][ C1] ? show_regs_print_info+0x20/0x20 [ 62.722296][ C1] ? prandom_u32+0x24d/0x290 [ 62.726896][ C1] dump_stack+0x15/0x20 [ 62.731065][ C1] should_fail+0x3ab/0x500 [ 62.735601][ C1] __should_failslab+0xa4/0xe0 [ 62.740399][ C1] should_failslab+0x9/0x20 [ 62.744948][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 62.749913][ C1] __kmalloc+0x6d/0x2c0 [ 62.754086][ C1] ? kobject_get_path+0xbf/0x1f0 [ 62.759046][ C1] kobject_get_path+0xbf/0x1f0 [ 62.763873][ C1] kobject_uevent_env+0x28a/0x700 [ 62.769031][ C1] kobject_uevent+0x1d/0x30 [ 62.773552][ C1] usb_gadget_remove_driver+0x274/0x310 [ 62.779109][ C1] usb_gadget_unregister_driver+0x181/0x480 [ 62.785026][ C1] ? kasan_quarantine_put+0x34/0x190 [ 62.790330][ C1] raw_release+0xda/0x260 [ 62.794680][ C1] ? raw_open+0x3d0/0x3d0 [ 62.799053][ C1] __fput+0x22b/0x900 [ 62.803081][ C1] ____fput+0x15/0x20 [ 62.807103][ C1] task_work_run+0x127/0x190 [ 62.811726][ C1] do_exit+0xb70/0x29a0 [ 62.816000][ C1] ? __up+0x160/0x160 [ 62.820023][ C1] ? put_task_struct+0x90/0x90 [ 62.824812][ C1] ? __kasan_check_write+0x14/0x20 [ 62.829949][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 62.834994][ C1] do_group_exit+0x149/0x310 [ 62.839593][ C1] ? __kasan_check_write+0x14/0x20 [ 62.844807][ C1] ? recalc_sigpending+0x1c4/0x230 [ 62.849935][ C1] get_signal+0x64f/0x1430 [ 62.854366][ C1] ? has_cap_mac_admin+0x370/0x370 [ 62.859492][ C1] arch_do_signal_or_restart+0xe2/0x1100 [ 62.865144][ C1] ? selinux_file_ioctl+0x3ad/0x4c0 [ 62.870359][ C1] ? selinux_file_alloc_security+0x120/0x120 [ 62.876361][ C1] ? get_sigframe_size+0x10/0x10 [ 62.881331][ C1] ? __fget_files+0x2e1/0x340 [ 62.886029][ C1] ? fput_many+0x15a/0x1a0 [ 62.890483][ C1] ? fput+0x1a/0x20 [ 62.894313][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 62.899552][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 62.905038][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 62.910520][ C1] do_syscall_64+0x58/0xa0 [ 62.914959][ C1] ? clear_bhb_loop+0x50/0xa0 [ 62.919649][ C1] ? clear_bhb_loop+0x50/0xa0 [ 62.924342][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.930244][ C1] RIP: 0033:0x7f2170906c2b [ 62.934758][ C1] Code: Unable to access opcode bytes at RIP 0x7f2170906c01. [ 62.942144][ C1] RSP: 002b:00007f216f35df00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.950568][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 00007f2170906c2b [ 62.958572][ C1] RDX: 00007f216f35efd0 RSI: 0000000080085502 RDI: 0000000000000004 [ 62.966577][ C1] RBP: 00007f216f35efd0 R08: 0000000000000001 R09: 00000000ffffffff [ 62.974562][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502 [ 62.982689][ C1] R13: 0000000800000000 R14: 0000000000000000 R15: 00007f21709bc6d4 [ 62.990694][ C1] [ 62.993728][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 62.993867][ C1] FAULT_INJECTION: forcing a failure. [ 62.993867][ C1] name failslab, interval 1, probability 10, space 0, times 19 [ 63.001388][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 63.001403][ C0] Workqueue: mld mld_ifc_work [ 63.028919][ C0] Call Trace: [ 63.032470][ C0] [ 63.035417][ C0] __dump_stack+0x21/0x30 [ 63.039759][ C0] dump_stack_lvl+0x110/0x170 [ 63.044445][ C0] ? show_regs_print_info+0x20/0x20 [ 63.052540][ C0] ? prandom_u32+0x24d/0x290 [ 63.058490][ C0] dump_stack+0x15/0x20 [ 63.063305][ C0] should_fail+0x3ab/0x500 [ 63.067761][ C0] __should_failslab+0xa4/0xe0 [ 63.072913][ C0] should_failslab+0x9/0x20 [ 63.077456][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 63.082426][ C0] ? __alloc_skb+0xe4/0x730 [ 63.086960][ C0] kmem_cache_alloc+0x44/0x260 [ 63.091928][ C0] __alloc_skb+0xe4/0x730 [ 63.097028][ C0] ndisc_send_rs+0x310/0x960 [ 63.101737][ C0] addrconf_rs_timer+0x35a/0x600 [ 63.106706][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.112823][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 63.117896][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 63.123476][ C0] ? wg_expired_retransmit_handshake+0xd8/0x230 [ 63.129746][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.135876][ C0] call_timer_fn+0x38/0x290 [ 63.140407][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.146505][ C0] __run_timers+0x637/0x9a0 [ 63.151036][ C0] ? calc_index+0x200/0x200 [ 63.155591][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 63.160466][ C0] run_timer_softirq+0x6a/0xf0 [ 63.165256][ C0] handle_softirqs+0x250/0x560 [ 63.170087][ C0] __irq_exit_rcu+0x52/0xf0 [ 63.174652][ C0] irq_exit_rcu+0x9/0x10 [ 63.178926][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 63.184585][ C0] [ 63.187555][ C0] [ 63.190503][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 63.196504][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 63.202694][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 63.222589][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 63.228675][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 63.236659][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 63.244649][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 63.252632][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 63.260639][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 63.268636][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 63.274312][ C0] dump_stack_lvl+0xce/0x170 [ 63.278915][ C0] ? show_regs_print_info+0x20/0x20 [ 63.284130][ C0] dump_stack+0x15/0x20 [ 63.288300][ C0] should_fail+0x3ab/0x500 [ 63.292736][ C0] __should_failslab+0xa4/0xe0 [ 63.297545][ C0] should_failslab+0x9/0x20 [ 63.302063][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 63.307017][ C0] ? __alloc_skb+0xe4/0x730 [ 63.311542][ C0] kmem_cache_alloc+0x44/0x260 [ 63.316327][ C0] __alloc_skb+0xe4/0x730 [ 63.321281][ C0] mld_newpack+0x143/0x9e0 [ 63.325713][ C0] ? mld_sendpack+0xba0/0xba0 [ 63.330401][ C0] ? __switch_to+0x56c/0x1070 [ 63.335093][ C0] add_grec+0xee8/0x1340 [ 63.339349][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 63.345950][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 63.350829][ C0] mld_ifc_work+0x728/0xc40 [ 63.355350][ C0] ? __schedule+0xbd7/0x14a0 [ 63.359959][ C0] process_one_work+0x6c8/0xbb0 [ 63.364827][ C0] worker_thread+0xaa0/0x1250 [ 63.369552][ C0] kthread+0x3f5/0x4f0 [ 63.373638][ C0] ? worker_clr_flags+0x190/0x190 [ 63.378683][ C0] ? kthread_blkcg+0xd0/0xd0 [ 63.383292][ C0] ret_from_fork+0x1f/0x30 [ 63.387751][ C0] [ 63.390806][ C1] CPU: 1 PID: 331 Comm: syz.4.11 Not tainted syzkaller #0 [ 63.391698][ C0] FAULT_INJECTION: forcing a failure. [ 63.391698][ C0] name failslab, interval 1, probability 10, space 0, times 18 [ 63.397975][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 63.397990][ C1] Call Trace: [ 63.397997][ C1] [ 63.398005][ C1] __dump_stack+0x21/0x30 [ 63.431296][ C1] dump_stack_lvl+0x110/0x170 [ 63.435990][ C1] ? show_regs_print_info+0x20/0x20 [ 63.441198][ C1] ? prandom_u32+0x24d/0x290 [ 63.445825][ C1] dump_stack+0x15/0x20 [ 63.450016][ C1] should_fail+0x3ab/0x500 [ 63.454447][ C1] __should_failslab+0xa4/0xe0 [ 63.459223][ C1] should_failslab+0x9/0x20 [ 63.463736][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 63.468694][ C1] ? __alloc_skb+0xe4/0x730 [ 63.473210][ C1] kmem_cache_alloc+0x44/0x260 [ 63.477991][ C1] __alloc_skb+0xe4/0x730 [ 63.482331][ C1] ndisc_send_rs+0x310/0x960 [ 63.486940][ C1] addrconf_rs_timer+0x35a/0x600 [ 63.491892][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.497970][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.504050][ C1] call_timer_fn+0x38/0x290 [ 63.508571][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 63.515085][ C1] __run_timers+0x637/0x9a0 [ 63.519618][ C1] ? calc_index+0x200/0x200 [ 63.524132][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 63.528992][ C1] run_timer_softirq+0x6a/0xf0 [ 63.533769][ C1] handle_softirqs+0x250/0x560 [ 63.538547][ C1] __irq_exit_rcu+0x52/0xf0 [ 63.543066][ C1] irq_exit_rcu+0x9/0x10 [ 63.547320][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 63.552976][ C1] [ 63.555917][ C1] [ 63.558858][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 63.564852][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 63.571023][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 63.590679][ C1] RSP: 0018:ffffc90007857590 EFLAGS: 00000293 [ 63.596763][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810cb162c0 [ 63.604768][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 63.613295][ C1] RBP: ffffc90007857590 R08: 0000000000000003 R09: 0000000000000004 [ 63.621281][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 63.629285][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f0aeb4 [ 63.637273][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 63.642924][ C1] dump_stack_lvl+0xce/0x170 [ 63.647529][ C1] ? show_regs_print_info+0x20/0x20 [ 63.652739][ C1] ? prandom_u32+0x24d/0x290 [ 63.657345][ C1] dump_stack+0x15/0x20 [ 63.661516][ C1] should_fail+0x3ab/0x500 [ 63.665944][ C1] __should_failslab+0xa4/0xe0 [ 63.670724][ C1] should_failslab+0x9/0x20 [ 63.675235][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 63.680193][ C1] __kmalloc+0x6d/0x2c0 [ 63.684366][ C1] ? kobject_get_path+0xbf/0x1f0 [ 63.689315][ C1] kobject_get_path+0xbf/0x1f0 [ 63.694275][ C1] kobject_uevent_env+0x28a/0x700 [ 63.699319][ C1] kobject_uevent+0x1d/0x30 [ 63.703838][ C1] usb_gadget_remove_driver+0x274/0x310 [ 63.709494][ C1] usb_gadget_unregister_driver+0x181/0x480 [ 63.715408][ C1] ? kasan_quarantine_put+0x34/0x190 [ 63.720809][ C1] raw_release+0xda/0x260 [ 63.725156][ C1] ? raw_open+0x3d0/0x3d0 [ 63.729520][ C1] __fput+0x22b/0x900 [ 63.733521][ C1] ____fput+0x15/0x20 [ 63.737520][ C1] task_work_run+0x127/0x190 [ 63.742122][ C1] do_exit+0xb70/0x29a0 [ 63.746293][ C1] ? __up+0x160/0x160 [ 63.750290][ C1] ? put_task_struct+0x90/0x90 [ 63.755068][ C1] ? __kasan_check_write+0x14/0x20 [ 63.760191][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 63.765227][ C1] do_group_exit+0x149/0x310 [ 63.769829][ C1] ? __kasan_check_write+0x14/0x20 [ 63.774953][ C1] ? recalc_sigpending+0x1c4/0x230 [ 63.780074][ C1] get_signal+0x64f/0x1430 [ 63.784506][ C1] ? has_cap_mac_admin+0x370/0x370 [ 63.789628][ C1] arch_do_signal_or_restart+0xe2/0x1100 [ 63.795296][ C1] ? selinux_file_ioctl+0x3ad/0x4c0 [ 63.800513][ C1] ? selinux_file_alloc_security+0x120/0x120 [ 63.806508][ C1] ? get_sigframe_size+0x10/0x10 [ 63.811458][ C1] ? __fget_files+0x2e1/0x340 [ 63.816149][ C1] ? fput_many+0x15a/0x1a0 [ 63.820577][ C1] ? fput+0x1a/0x20 [ 63.824399][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 63.829605][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 63.835078][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 63.840566][ C1] do_syscall_64+0x58/0xa0 [ 63.844991][ C1] ? clear_bhb_loop+0x50/0xa0 [ 63.849765][ C1] ? clear_bhb_loop+0x50/0xa0 [ 63.854450][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.860361][ C1] RIP: 0033:0x7f2170906c2b [ 63.864787][ C1] Code: Unable to access opcode bytes at RIP 0x7f2170906c01. [ 63.872153][ C1] RSP: 002b:00007f216f35df00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.880585][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 00007f2170906c2b [ 63.888575][ C1] RDX: 00007f216f35efd0 RSI: 0000000080085502 RDI: 0000000000000004 [ 63.896560][ C1] RBP: 00007f216f35efd0 R08: 0000000000000001 R09: 00000000ffffffff [ 63.904546][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502 [ 63.912648][ C1] R13: 0000000800000000 R14: 0000000000000000 R15: 00007f21709bc6d4 [ 63.920725][ C1] [ 63.923763][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 63.931075][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 63.941174][ C0] Workqueue: mld mld_ifc_work [ 63.945896][ C0] Call Trace: [ 63.949187][ C0] [ 63.952047][ C0] __dump_stack+0x21/0x30 [ 63.956396][ C0] dump_stack_lvl+0x110/0x170 [ 63.961085][ C0] ? show_regs_print_info+0x20/0x20 [ 63.966302][ C0] ? prandom_u32+0x24d/0x290 [ 63.970911][ C0] dump_stack+0x15/0x20 [ 63.975082][ C0] should_fail+0x3ab/0x500 [ 63.979518][ C0] __should_failslab+0xa4/0xe0 [ 63.984297][ C0] should_failslab+0x9/0x20 [ 63.988929][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 63.993908][ C0] ? __alloc_skb+0xe4/0x730 [ 63.998428][ C0] kmem_cache_alloc+0x44/0x260 [ 64.003217][ C0] __alloc_skb+0xe4/0x730 [ 64.007590][ C0] ndisc_send_rs+0x310/0x960 [ 64.012210][ C0] ? ndisc_send_rs+0x131/0x960 [ 64.017022][ C0] addrconf_rs_timer+0x35a/0x600 [ 64.021984][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.028073][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 64.033120][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 64.038682][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.044770][ C0] call_timer_fn+0x38/0x290 [ 64.049414][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.055785][ C0] __run_timers+0x637/0x9a0 [ 64.060819][ C0] ? calc_index+0x200/0x200 [ 64.065354][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 64.070234][ C0] run_timer_softirq+0x6a/0xf0 [ 64.075709][ C0] handle_softirqs+0x250/0x560 [ 64.081116][ C0] __irq_exit_rcu+0x52/0xf0 [ 64.085691][ C0] irq_exit_rcu+0x9/0x10 [ 64.089976][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 64.095831][ C0] [ 64.098793][ C0] [ 64.101739][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 64.107912][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 64.114084][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 64.115264][ C1] FAULT_INJECTION: forcing a failure. [ 64.115264][ C1] name failslab, interval 1, probability 10, space 0, times 17 [ 64.133738][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 64.133765][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 64.160573][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 64.168571][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 64.176555][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 64.184537][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 64.192523][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 64.198507][ C0] dump_stack_lvl+0xce/0x170 [ 64.203145][ C0] ? show_regs_print_info+0x20/0x20 [ 64.208363][ C0] dump_stack+0x15/0x20 [ 64.212535][ C0] should_fail+0x3ab/0x500 [ 64.217055][ C0] __should_failslab+0xa4/0xe0 [ 64.221832][ C0] should_failslab+0x9/0x20 [ 64.226347][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 64.231298][ C0] ? __alloc_skb+0xe4/0x730 [ 64.235902][ C0] kmem_cache_alloc+0x44/0x260 [ 64.240682][ C0] __alloc_skb+0xe4/0x730 [ 64.245033][ C0] mld_newpack+0x143/0x9e0 [ 64.249748][ C0] ? mld_sendpack+0xba0/0xba0 [ 64.254440][ C0] ? __switch_to+0x56c/0x1070 [ 64.259126][ C0] add_grec+0xee8/0x1340 [ 64.263379][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 64.269985][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 64.274849][ C0] mld_ifc_work+0x728/0xc40 [ 64.279362][ C0] ? __schedule+0xbd7/0x14a0 [ 64.283963][ C0] process_one_work+0x6c8/0xbb0 [ 64.288861][ C0] worker_thread+0xaa0/0x1250 [ 64.293558][ C0] kthread+0x3f5/0x4f0 [ 64.297640][ C0] ? worker_clr_flags+0x190/0x190 [ 64.302679][ C0] ? kthread_blkcg+0xd0/0xd0 [ 64.307281][ C0] ret_from_fork+0x1f/0x30 [ 64.311719][ C0] [ 64.314754][ C1] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 64.315045][ C0] FAULT_INJECTION: forcing a failure. [ 64.315045][ C0] name failslab, interval 1, probability 10, space 0, times 16 [ 64.321715][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 64.344551][ C1] Call Trace: [ 64.347847][ C1] [ 64.350706][ C1] __dump_stack+0x21/0x30 [ 64.355047][ C1] dump_stack_lvl+0x110/0x170 [ 64.359758][ C1] ? show_regs_print_info+0x20/0x20 [ 64.364974][ C1] ? prandom_u32+0x24d/0x290 [ 64.369574][ C1] dump_stack+0x15/0x20 [ 64.373831][ C1] should_fail+0x3ab/0x500 [ 64.378347][ C1] __should_failslab+0xa4/0xe0 [ 64.383129][ C1] should_failslab+0x9/0x20 [ 64.387644][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 64.392599][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 64.397901][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 64.403460][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 64.408859][ C1] icmp6_dst_alloc+0x35f/0x520 [ 64.413657][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 64.418347][ C1] ? kernel_clone+0x233/0x960 [ 64.423038][ C1] ? kernel_thread+0xfe/0x170 [ 64.427728][ C1] ? kthreadd+0x346/0x480 [ 64.432072][ C1] ? ret_from_fork+0x1f/0x30 [ 64.436680][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 64.441634][ C1] ? skb_put+0x10a/0x1f0 [ 64.445892][ C1] ndisc_send_rs+0x711/0x960 [ 64.450498][ C1] ? ndisc_send_rs+0x131/0x960 [ 64.455281][ C1] addrconf_rs_timer+0x35a/0x600 [ 64.460231][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.466315][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.472394][ C1] call_timer_fn+0x38/0x290 [ 64.476939][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 64.483019][ C1] __run_timers+0x637/0x9a0 [ 64.487540][ C1] ? calc_index+0x200/0x200 [ 64.492054][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 64.496918][ C1] run_timer_softirq+0x6a/0xf0 [ 64.501700][ C1] handle_softirqs+0x250/0x560 [ 64.506479][ C1] __irq_exit_rcu+0x52/0xf0 [ 64.510997][ C1] irq_exit_rcu+0x9/0x10 [ 64.515257][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 64.520909][ C1] [ 64.523857][ C1] [ 64.526800][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 64.532795][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 64.538967][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 64.558672][ C1] RSP: 0018:ffffc900000275d0 EFLAGS: 00000293 [ 64.564750][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888100264f00 [ 64.572736][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 64.580717][ C1] RBP: ffffc900000275d0 R08: 0000000000000003 R09: 0000000000000004 [ 64.588702][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 64.596685][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000004ebc [ 64.604683][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 64.610332][ C1] dump_stack_lvl+0xce/0x170 [ 64.614948][ C1] ? show_regs_print_info+0x20/0x20 [ 64.620152][ C1] ? prandom_u32+0x24d/0x290 [ 64.624753][ C1] dump_stack+0x15/0x20 [ 64.628918][ C1] should_fail+0x3ab/0x500 [ 64.633344][ C1] __should_failslab+0xa4/0xe0 [ 64.638120][ C1] should_failslab+0x9/0x20 [ 64.642719][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 64.647681][ C1] ? alloc_vmap_area+0x643/0x1a70 [ 64.652714][ C1] kmem_cache_alloc+0x44/0x260 [ 64.657488][ C1] alloc_vmap_area+0x643/0x1a70 [ 64.662358][ C1] ? vm_map_ram+0xa70/0xa70 [ 64.666873][ C1] ? kmem_cache_alloc_trace+0x119/0x270 [ 64.672431][ C1] ? __get_vm_area_node+0x11d/0x350 [ 64.677642][ C1] __get_vm_area_node+0x14e/0x350 [ 64.682673][ C1] __vmalloc_node_range+0xe8/0xad0 [ 64.687796][ C1] ? copy_process+0x5e0/0x3280 [ 64.692574][ C1] ? slab_post_alloc_hook+0x6d/0x2b0 [ 64.697877][ C1] ? kmem_cache_alloc+0xf7/0x260 [ 64.702826][ C1] dup_task_struct+0x41e/0xc50 [ 64.707601][ C1] ? copy_process+0x5e0/0x3280 [ 64.712382][ C1] copy_process+0x5e0/0x3280 [ 64.716986][ C1] ? update_load_avg+0x442/0x1110 [ 64.722020][ C1] ? __pidfd_prepare+0x150/0x150 [ 64.726994][ C1] ? __switch_to+0x56c/0x1070 [ 64.731687][ C1] kernel_clone+0x233/0x960 [ 64.736208][ C1] ? create_io_thread+0x170/0x170 [ 64.741244][ C1] ? finish_task_switch+0x16b/0x790 [ 64.746473][ C1] ? switch_mm_irqs_off+0x32d/0x960 [ 64.751709][ C1] ? kthread_blkcg+0xd0/0xd0 [ 64.756312][ C1] kernel_thread+0xfe/0x170 [ 64.760829][ C1] ? ptrace_event_pid+0x180/0x180 [ 64.765864][ C1] ? kthread_blkcg+0xd0/0xd0 [ 64.770463][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 64.775877][ C1] ? __kasan_check_read+0x11/0x20 [ 64.780914][ C1] kthreadd+0x346/0x480 [ 64.785085][ C1] ? tokenize_frame_descr+0x93/0xc0 [ 64.790320][ C1] ? kthread_stop+0x3e0/0x3e0 [ 64.795013][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 64.800241][ C1] ? calculate_sigpending+0x7c/0x90 [ 64.805456][ C1] ? kthread_stop+0x3e0/0x3e0 [ 64.810146][ C1] ret_from_fork+0x1f/0x30 [ 64.814573][ C1] [ 64.817603][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 64.817822][ C1] FAULT_INJECTION: forcing a failure. [ 64.817822][ C1] name failslab, interval 1, probability 10, space 0, times 15 [ 64.824917][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 64.847725][ C0] Workqueue: mld mld_ifc_work [ 64.852441][ C0] Call Trace: [ 64.855729][ C0] [ 64.858586][ C0] __dump_stack+0x21/0x30 [ 64.862926][ C0] dump_stack_lvl+0x110/0x170 [ 64.867618][ C0] ? show_regs_print_info+0x20/0x20 [ 64.872827][ C0] dump_stack+0x15/0x20 [ 64.876997][ C0] should_fail+0x3ab/0x500 [ 64.881427][ C0] __should_failslab+0xa4/0xe0 [ 64.886203][ C0] should_failslab+0x9/0x20 [ 64.890720][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 64.895800][ C0] ? skb_clone+0x1c7/0x370 [ 64.900229][ C0] kmem_cache_alloc+0x44/0x260 [ 64.905008][ C0] skb_clone+0x1c7/0x370 [ 64.909262][ C0] maybe_deliver+0x1ad/0x2b0 [ 64.913864][ C0] br_flood+0x2ea/0x420 [ 64.918035][ C0] br_dev_xmit+0xc57/0x1090 [ 64.922554][ C0] ? br_net_exit+0x1c0/0x1c0 [ 64.927184][ C0] ? netdev_rx_csum_fault+0x40/0x40 [ 64.932422][ C0] ? netif_skb_features+0x6d4/0xa10 [ 64.937658][ C0] dev_hard_start_xmit+0x245/0x680 [ 64.942812][ C0] __dev_queue_xmit+0x17a3/0x2d60 [ 64.947878][ C0] ? dev_queue_xmit+0x20/0x20 [ 64.952572][ C0] ? arch_stack_walk+0x108/0x140 [ 64.957528][ C0] ? __kasan_check_read+0x11/0x20 [ 64.962567][ C0] ? selinux_ip_postroute+0x2d9/0xf80 [ 64.967950][ C0] ? ip6_finish_output2+0xeb8/0x1790 [ 64.973254][ C0] dev_queue_xmit+0x17/0x20 [ 64.977776][ C0] ip6_finish_output2+0x1097/0x1790 [ 64.983009][ C0] ? __ip6_finish_output+0x7e0/0x7e0 [ 64.988305][ C0] ? ip6t_do_table+0x1355/0x1510 [ 64.993437][ C0] __ip6_finish_output+0x621/0x7e0 [ 64.998565][ C0] ip6_finish_output+0x31/0x220 [ 65.003435][ C0] ? ip6_output+0x3ea/0x410 [ 65.008497][ C0] ip6_output+0x1fa/0x410 [ 65.012931][ C0] ? ac6_seq_show+0xf0/0xf0 [ 65.017485][ C0] ? ip6_output+0x410/0x410 [ 65.022007][ C0] ndisc_send_skb+0x7f6/0xcf0 [ 65.026835][ C0] ? worker_thread+0xaa0/0x1250 [ 65.031724][ C0] ? kthread+0x3f5/0x4f0 [ 65.035997][ C0] ? ret_from_fork+0x1f/0x30 [ 65.040623][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 65.045603][ C0] ? ndisc_error_report+0xc0/0xc0 [ 65.050648][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 65.055885][ C0] ? ndisc_send_rs+0x61f/0x960 [ 65.060662][ C0] ? memcpy+0x56/0x70 [ 65.064658][ C0] ndisc_send_rs+0x711/0x960 [ 65.069290][ C0] addrconf_rs_timer+0x35a/0x600 [ 65.074250][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.080328][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 65.085372][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 65.091043][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.097128][ C0] call_timer_fn+0x38/0x290 [ 65.101651][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.107750][ C0] __run_timers+0x637/0x9a0 [ 65.112272][ C0] ? calc_index+0x200/0x200 [ 65.116792][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 65.121657][ C0] run_timer_softirq+0x6a/0xf0 [ 65.126440][ C0] handle_softirqs+0x250/0x560 [ 65.131224][ C0] __irq_exit_rcu+0x52/0xf0 [ 65.135739][ C0] irq_exit_rcu+0x9/0x10 [ 65.140002][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 65.145646][ C0] [ 65.148585][ C0] [ 65.151526][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 65.157529][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 65.163720][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 65.183349][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 65.189433][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 65.197425][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 65.205412][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 65.213396][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 65.221380][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 65.229369][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 65.235019][ C0] dump_stack_lvl+0xce/0x170 [ 65.239620][ C0] ? show_regs_print_info+0x20/0x20 [ 65.244831][ C0] dump_stack+0x15/0x20 [ 65.248991][ C0] should_fail+0x3ab/0x500 [ 65.253416][ C0] __should_failslab+0xa4/0xe0 [ 65.258192][ C0] should_failslab+0x9/0x20 [ 65.262704][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 65.267657][ C0] ? __alloc_skb+0xe4/0x730 [ 65.272173][ C0] kmem_cache_alloc+0x44/0x260 [ 65.276950][ C0] __alloc_skb+0xe4/0x730 [ 65.281292][ C0] mld_newpack+0x143/0x9e0 [ 65.285725][ C0] ? mld_sendpack+0xba0/0xba0 [ 65.290409][ C0] ? __switch_to+0x56c/0x1070 [ 65.295124][ C0] add_grec+0xee8/0x1340 [ 65.299384][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 65.305986][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 65.310844][ C0] mld_ifc_work+0x728/0xc40 [ 65.315363][ C0] ? __schedule+0xbd7/0x14a0 [ 65.319968][ C0] process_one_work+0x6c8/0xbb0 [ 65.324834][ C0] worker_thread+0xaa0/0x1250 [ 65.329524][ C0] kthread+0x3f5/0x4f0 [ 65.333609][ C0] ? worker_clr_flags+0x190/0x190 [ 65.338649][ C0] ? kthread_blkcg+0xd0/0xd0 [ 65.343253][ C0] ret_from_fork+0x1f/0x30 [ 65.347690][ C0] [ 65.350735][ C1] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 65.351628][ C0] FAULT_INJECTION: forcing a failure. [ 65.351628][ C0] name failslab, interval 1, probability 10, space 0, times 14 [ 65.357699][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 65.357717][ C1] Call Trace: [ 65.357723][ C1] [ 65.357731][ C1] __dump_stack+0x21/0x30 [ 65.390988][ C1] dump_stack_lvl+0x110/0x170 [ 65.395773][ C1] ? show_regs_print_info+0x20/0x20 [ 65.400982][ C1] ? prandom_u32+0x24d/0x290 [ 65.405584][ C1] dump_stack+0x15/0x20 [ 65.409746][ C1] should_fail+0x3ab/0x500 [ 65.414177][ C1] __should_failslab+0xa4/0xe0 [ 65.418965][ C1] should_failslab+0x9/0x20 [ 65.423575][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 65.428527][ C1] ? __alloc_skb+0xe4/0x730 [ 65.433673][ C1] kmem_cache_alloc+0x44/0x260 [ 65.438482][ C1] __alloc_skb+0xe4/0x730 [ 65.442872][ C1] ndisc_send_rs+0x310/0x960 [ 65.447492][ C1] addrconf_rs_timer+0x35a/0x600 [ 65.452452][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.458536][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 65.463605][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 65.469170][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.475274][ C1] call_timer_fn+0x38/0x290 [ 65.479801][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.485883][ C1] __run_timers+0x637/0x9a0 [ 65.491030][ C1] ? calc_index+0x200/0x200 [ 65.495553][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 65.500421][ C1] run_timer_softirq+0x6a/0xf0 [ 65.505202][ C1] handle_softirqs+0x250/0x560 [ 65.509982][ C1] __irq_exit_rcu+0x52/0xf0 [ 65.514500][ C1] irq_exit_rcu+0x9/0x10 [ 65.518752][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 65.524397][ C1] [ 65.527341][ C1] [ 65.530278][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 65.536273][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 65.542439][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 65.562052][ C1] RSP: 0018:ffffc900000275d0 EFLAGS: 00000293 [ 65.568129][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888100264f00 [ 65.576112][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 65.584092][ C1] RBP: ffffc900000275d0 R08: 0000000000000003 R09: 0000000000000004 [ 65.592071][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 65.600053][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000004ebc [ 65.608042][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 65.613692][ C1] dump_stack_lvl+0xce/0x170 [ 65.618293][ C1] ? show_regs_print_info+0x20/0x20 [ 65.623521][ C1] ? prandom_u32+0x24d/0x290 [ 65.628125][ C1] dump_stack+0x15/0x20 [ 65.632291][ C1] should_fail+0x3ab/0x500 [ 65.636716][ C1] __should_failslab+0xa4/0xe0 [ 65.641505][ C1] should_failslab+0x9/0x20 [ 65.646040][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 65.650999][ C1] ? alloc_vmap_area+0x643/0x1a70 [ 65.656068][ C1] kmem_cache_alloc+0x44/0x260 [ 65.660856][ C1] alloc_vmap_area+0x643/0x1a70 [ 65.665730][ C1] ? vm_map_ram+0xa70/0xa70 [ 65.670243][ C1] ? kmem_cache_alloc_trace+0x119/0x270 [ 65.675802][ C1] ? __get_vm_area_node+0x11d/0x350 [ 65.681014][ C1] __get_vm_area_node+0x14e/0x350 [ 65.686049][ C1] __vmalloc_node_range+0xe8/0xad0 [ 65.691173][ C1] ? copy_process+0x5e0/0x3280 [ 65.695953][ C1] ? slab_post_alloc_hook+0x6d/0x2b0 [ 65.701252][ C1] ? kmem_cache_alloc+0xf7/0x260 [ 65.706200][ C1] dup_task_struct+0x41e/0xc50 [ 65.710974][ C1] ? copy_process+0x5e0/0x3280 [ 65.715748][ C1] copy_process+0x5e0/0x3280 [ 65.720353][ C1] ? update_load_avg+0x442/0x1110 [ 65.725395][ C1] ? __pidfd_prepare+0x150/0x150 [ 65.730349][ C1] ? __switch_to+0x56c/0x1070 [ 65.735043][ C1] kernel_clone+0x233/0x960 [ 65.739561][ C1] ? create_io_thread+0x170/0x170 [ 65.744599][ C1] ? finish_task_switch+0x16b/0x790 [ 65.749809][ C1] ? switch_mm_irqs_off+0x32d/0x960 [ 65.755113][ C1] ? kthread_blkcg+0xd0/0xd0 [ 65.759719][ C1] kernel_thread+0xfe/0x170 [ 65.764238][ C1] ? ptrace_event_pid+0x180/0x180 [ 65.769279][ C1] ? kthread_blkcg+0xd0/0xd0 [ 65.773879][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 65.779266][ C1] ? __kasan_check_read+0x11/0x20 [ 65.784302][ C1] kthreadd+0x346/0x480 [ 65.788466][ C1] ? tokenize_frame_descr+0x93/0xc0 [ 65.793696][ C1] ? kthread_stop+0x3e0/0x3e0 [ 65.798384][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 65.803591][ C1] ? calculate_sigpending+0x7c/0x90 [ 65.808796][ C1] ? kthread_stop+0x3e0/0x3e0 [ 65.813489][ C1] ret_from_fork+0x1f/0x30 [ 65.817915][ C1] [ 65.820948][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 65.821600][ C1] FAULT_INJECTION: forcing a failure. [ 65.821600][ C1] name failslab, interval 1, probability 10, space 0, times 13 [ 65.828257][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 65.828273][ C0] Workqueue: mld mld_ifc_work [ 65.855763][ C0] Call Trace: [ 65.859050][ C0] [ 65.861929][ C0] __dump_stack+0x21/0x30 [ 65.866271][ C0] dump_stack_lvl+0x110/0x170 [ 65.870960][ C0] ? show_regs_print_info+0x20/0x20 [ 65.876170][ C0] dump_stack+0x15/0x20 [ 65.880345][ C0] should_fail+0x3ab/0x500 [ 65.884774][ C0] ? ndisc_send_rs+0x310/0x960 [ 65.889640][ C0] __should_failslab+0xa4/0xe0 [ 65.894422][ C0] should_failslab+0x9/0x20 [ 65.898937][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 65.903889][ C0] ? ndisc_send_rs+0x310/0x960 [ 65.908663][ C0] ? ndisc_send_rs+0x310/0x960 [ 65.913437][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 65.918736][ C0] ? ndisc_send_rs+0x310/0x960 [ 65.923513][ C0] ? ndisc_send_rs+0x310/0x960 [ 65.928288][ C0] __alloc_skb+0x210/0x730 [ 65.932725][ C0] ndisc_send_rs+0x310/0x960 [ 65.937336][ C0] addrconf_rs_timer+0x35a/0x600 [ 65.942286][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.948376][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 65.953415][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 65.958974][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.965050][ C0] call_timer_fn+0x38/0x290 [ 65.969831][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 65.975932][ C0] __run_timers+0x637/0x9a0 [ 65.980496][ C0] ? calc_index+0x200/0x200 [ 65.985032][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 65.989912][ C0] run_timer_softirq+0x6a/0xf0 [ 65.994693][ C0] handle_softirqs+0x250/0x560 [ 65.999490][ C0] __irq_exit_rcu+0x52/0xf0 [ 66.004011][ C0] irq_exit_rcu+0x9/0x10 [ 66.008271][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 66.013918][ C0] [ 66.016862][ C0] [ 66.019804][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 66.026773][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 66.032967][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 66.053051][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 66.059143][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 66.067134][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 66.075304][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 66.083301][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 66.091299][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 66.099301][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 66.105207][ C0] dump_stack_lvl+0xce/0x170 [ 66.109904][ C0] ? show_regs_print_info+0x20/0x20 [ 66.115328][ C0] dump_stack+0x15/0x20 [ 66.119527][ C0] should_fail+0x3ab/0x500 [ 66.123967][ C0] __should_failslab+0xa4/0xe0 [ 66.128749][ C0] should_failslab+0x9/0x20 [ 66.133262][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 66.138216][ C0] ? __alloc_skb+0xe4/0x730 [ 66.142732][ C0] kmem_cache_alloc+0x44/0x260 [ 66.147510][ C0] __alloc_skb+0xe4/0x730 [ 66.151857][ C0] mld_newpack+0x143/0x9e0 [ 66.156291][ C0] ? mld_sendpack+0xba0/0xba0 [ 66.160979][ C0] ? __switch_to+0x56c/0x1070 [ 66.165688][ C0] add_grec+0xee8/0x1340 [ 66.169945][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 66.176549][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 66.181412][ C0] mld_ifc_work+0x728/0xc40 [ 66.185927][ C0] ? __schedule+0xbd7/0x14a0 [ 66.190527][ C0] process_one_work+0x6c8/0xbb0 [ 66.195397][ C0] worker_thread+0xaa0/0x1250 [ 66.200093][ C0] kthread+0x3f5/0x4f0 [ 66.204170][ C0] ? worker_clr_flags+0x190/0x190 [ 66.209211][ C0] ? kthread_blkcg+0xd0/0xd0 [ 66.213997][ C0] ret_from_fork+0x1f/0x30 [ 66.218450][ C0] [ 66.221488][ C1] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 66.221657][ C0] FAULT_INJECTION: forcing a failure. [ 66.221657][ C0] name failslab, interval 1, probability 10, space 0, times 12 [ 66.228448][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 66.228462][ C1] Call Trace: [ 66.228469][ C1] [ 66.257487][ C1] __dump_stack+0x21/0x30 [ 66.261829][ C1] dump_stack_lvl+0x110/0x170 [ 66.266513][ C1] ? show_regs_print_info+0x20/0x20 [ 66.271727][ C1] ? prandom_u32+0x24d/0x290 [ 66.276333][ C1] dump_stack+0x15/0x20 [ 66.280508][ C1] should_fail+0x3ab/0x500 [ 66.284961][ C1] __should_failslab+0xa4/0xe0 [ 66.289740][ C1] should_failslab+0x9/0x20 [ 66.294257][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 66.299209][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 66.304616][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 66.310270][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 66.315654][ C1] icmp6_dst_alloc+0x35f/0x520 [ 66.320455][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 66.325146][ C1] ? kernel_clone+0x233/0x960 [ 66.329839][ C1] ? kernel_thread+0xfe/0x170 [ 66.334527][ C1] ? kthreadd+0x346/0x480 [ 66.338872][ C1] ? ret_from_fork+0x1f/0x30 [ 66.343494][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 66.348451][ C1] ? ndisc_send_rs+0x61f/0x960 [ 66.353223][ C1] ? memcpy+0x56/0x70 [ 66.357238][ C1] ndisc_send_rs+0x711/0x960 [ 66.361845][ C1] addrconf_rs_timer+0x35a/0x600 [ 66.366797][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.372876][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 66.377934][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 66.383518][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.389597][ C1] call_timer_fn+0x38/0x290 [ 66.394118][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.400195][ C1] __run_timers+0x637/0x9a0 [ 66.404717][ C1] ? calc_index+0x200/0x200 [ 66.409236][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 66.414102][ C1] run_timer_softirq+0x6a/0xf0 [ 66.418881][ C1] handle_softirqs+0x250/0x560 [ 66.423660][ C1] __irq_exit_rcu+0x52/0xf0 [ 66.428173][ C1] irq_exit_rcu+0x9/0x10 [ 66.432428][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 66.438073][ C1] [ 66.441014][ C1] [ 66.443951][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 66.449947][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 66.456114][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 66.475731][ C1] RSP: 0018:ffffc900000275d0 EFLAGS: 00000293 [ 66.481808][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888100264f00 [ 66.489791][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 66.497793][ C1] RBP: ffffc900000275d0 R08: 0000000000000003 R09: 0000000000000004 [ 66.505811][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 66.513798][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000004ebc [ 66.521783][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 66.527461][ C1] dump_stack_lvl+0xce/0x170 [ 66.532060][ C1] ? show_regs_print_info+0x20/0x20 [ 66.537271][ C1] ? prandom_u32+0x24d/0x290 [ 66.541879][ C1] dump_stack+0x15/0x20 [ 66.546050][ C1] should_fail+0x3ab/0x500 [ 66.550479][ C1] __should_failslab+0xa4/0xe0 [ 66.555263][ C1] should_failslab+0x9/0x20 [ 66.559777][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 66.564741][ C1] ? alloc_vmap_area+0x643/0x1a70 [ 66.569936][ C1] kmem_cache_alloc+0x44/0x260 [ 66.574726][ C1] alloc_vmap_area+0x643/0x1a70 [ 66.579634][ C1] ? vm_map_ram+0xa70/0xa70 [ 66.584689][ C1] ? kmem_cache_alloc_trace+0x119/0x270 [ 66.590305][ C1] ? __get_vm_area_node+0x11d/0x350 [ 66.595551][ C1] __get_vm_area_node+0x14e/0x350 [ 66.600696][ C1] __vmalloc_node_range+0xe8/0xad0 [ 66.605824][ C1] ? copy_process+0x5e0/0x3280 [ 66.610632][ C1] ? slab_post_alloc_hook+0x6d/0x2b0 [ 66.615935][ C1] ? kmem_cache_alloc+0xf7/0x260 [ 66.620902][ C1] dup_task_struct+0x41e/0xc50 [ 66.625789][ C1] ? copy_process+0x5e0/0x3280 [ 66.630593][ C1] copy_process+0x5e0/0x3280 [ 66.635217][ C1] ? update_load_avg+0x442/0x1110 [ 66.640275][ C1] ? __pidfd_prepare+0x150/0x150 [ 66.645224][ C1] ? __switch_to+0x56c/0x1070 [ 66.649920][ C1] kernel_clone+0x233/0x960 [ 66.654442][ C1] ? create_io_thread+0x170/0x170 [ 66.659495][ C1] ? finish_task_switch+0x16b/0x790 [ 66.664728][ C1] ? switch_mm_irqs_off+0x32d/0x960 [ 66.669962][ C1] ? kthread_blkcg+0xd0/0xd0 [ 66.674581][ C1] kernel_thread+0xfe/0x170 [ 66.679286][ C1] ? ptrace_event_pid+0x180/0x180 [ 66.684338][ C1] ? kthread_blkcg+0xd0/0xd0 [ 66.688966][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 66.694366][ C1] ? __kasan_check_read+0x11/0x20 [ 66.699427][ C1] kthreadd+0x346/0x480 [ 66.703616][ C1] ? tokenize_frame_descr+0x93/0xc0 [ 66.708875][ C1] ? kthread_stop+0x3e0/0x3e0 [ 66.713580][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 66.718910][ C1] ? calculate_sigpending+0x7c/0x90 [ 66.724148][ C1] ? kthread_stop+0x3e0/0x3e0 [ 66.728844][ C1] ret_from_fork+0x1f/0x30 [ 66.733917][ C1] [ 66.736963][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 66.737248][ C1] FAULT_INJECTION: forcing a failure. [ 66.737248][ C1] name failslab, interval 1, probability 10, space 0, times 11 [ 66.744277][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 66.767467][ C0] Workqueue: mld mld_ifc_work [ 66.772165][ C0] Call Trace: [ 66.775454][ C0] [ 66.778334][ C0] __dump_stack+0x21/0x30 [ 66.782782][ C0] dump_stack_lvl+0x110/0x170 [ 66.787475][ C0] ? show_regs_print_info+0x20/0x20 [ 66.792689][ C0] ? prandom_u32+0x24d/0x290 [ 66.797293][ C0] dump_stack+0x15/0x20 [ 66.801460][ C0] should_fail+0x3ab/0x500 [ 66.806194][ C0] __should_failslab+0xa4/0xe0 [ 66.811309][ C0] should_failslab+0x9/0x20 [ 66.815909][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 66.820880][ C0] kmem_cache_alloc_trace+0x48/0x270 [ 66.826190][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 66.831755][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 66.837138][ C0] icmp6_dst_alloc+0x35f/0x520 [ 66.841923][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 66.846617][ C0] ? worker_thread+0xaa0/0x1250 [ 66.851485][ C0] ? kthread+0x3f5/0x4f0 [ 66.855770][ C0] ? ret_from_fork+0x1f/0x30 [ 66.860405][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 66.865364][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 66.870954][ C0] ? __raise_softirq_irqoff+0x17/0xd0 [ 66.876347][ C0] ? raise_softirq_irqoff+0x9/0x40 [ 66.881488][ C0] ? ndisc_send_rs+0x61f/0x960 [ 66.886299][ C0] ? memcpy+0x56/0x70 [ 66.890301][ C0] ndisc_send_rs+0x711/0x960 [ 66.894909][ C0] addrconf_rs_timer+0x35a/0x600 [ 66.899864][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.905949][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.912034][ C0] call_timer_fn+0x38/0x290 [ 66.916557][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.922643][ C0] __run_timers+0x637/0x9a0 [ 66.927184][ C0] ? calc_index+0x200/0x200 [ 66.931706][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 66.936592][ C0] run_timer_softirq+0x6a/0xf0 [ 66.941376][ C0] handle_softirqs+0x250/0x560 [ 66.946162][ C0] __irq_exit_rcu+0x52/0xf0 [ 66.950782][ C0] irq_exit_rcu+0x9/0x10 [ 66.955038][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 66.960695][ C0] [ 66.963637][ C0] [ 66.966576][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 66.972571][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 66.978738][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 66.998351][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 67.004519][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 67.012590][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 67.020752][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 67.030396][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 67.038574][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 67.046584][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 67.052257][ C0] dump_stack_lvl+0xce/0x170 [ 67.057021][ C0] ? show_regs_print_info+0x20/0x20 [ 67.062254][ C0] dump_stack+0x15/0x20 [ 67.066440][ C0] should_fail+0x3ab/0x500 [ 67.070876][ C0] __should_failslab+0xa4/0xe0 [ 67.075662][ C0] should_failslab+0x9/0x20 [ 67.080288][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 67.085246][ C0] ? __alloc_skb+0xe4/0x730 [ 67.089770][ C0] kmem_cache_alloc+0x44/0x260 [ 67.094579][ C0] __alloc_skb+0xe4/0x730 [ 67.098931][ C0] mld_newpack+0x143/0x9e0 [ 67.103359][ C0] ? mld_sendpack+0xba0/0xba0 [ 67.108051][ C0] ? __switch_to+0x56c/0x1070 [ 67.112742][ C0] add_grec+0xee8/0x1340 [ 67.117434][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 67.124060][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 67.128942][ C0] mld_ifc_work+0x728/0xc40 [ 67.133467][ C0] ? __schedule+0xbd7/0x14a0 [ 67.138081][ C0] process_one_work+0x6c8/0xbb0 [ 67.143005][ C0] worker_thread+0xaa0/0x1250 [ 67.147728][ C0] kthread+0x3f5/0x4f0 [ 67.151815][ C0] ? worker_clr_flags+0x190/0x190 [ 67.156860][ C0] ? kthread_blkcg+0xd0/0xd0 [ 67.161465][ C0] ret_from_fork+0x1f/0x30 [ 67.165921][ C0] [ 67.168953][ C1] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 67.169551][ C0] FAULT_INJECTION: forcing a failure. [ 67.169551][ C0] name failslab, interval 1, probability 10, space 0, times 10 [ 67.175922][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.175936][ C1] Call Trace: [ 67.175943][ C1] [ 67.175950][ C1] __dump_stack+0x21/0x30 [ 67.209369][ C1] dump_stack_lvl+0x110/0x170 [ 67.214064][ C1] ? show_regs_print_info+0x20/0x20 [ 67.219280][ C1] dump_stack+0x15/0x20 [ 67.223453][ C1] should_fail+0x3ab/0x500 [ 67.227886][ C1] ? ndisc_send_rs+0x310/0x960 [ 67.232663][ C1] __should_failslab+0xa4/0xe0 [ 67.237441][ C1] should_failslab+0x9/0x20 [ 67.241961][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 67.246934][ C1] ? ndisc_send_rs+0x310/0x960 [ 67.251719][ C1] ? ndisc_send_rs+0x310/0x960 [ 67.256493][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 67.261814][ C1] ? ndisc_send_rs+0x310/0x960 [ 67.266592][ C1] ? ndisc_send_rs+0x310/0x960 [ 67.272398][ C1] __alloc_skb+0x210/0x730 [ 67.276856][ C1] ndisc_send_rs+0x310/0x960 [ 67.281501][ C1] addrconf_rs_timer+0x35a/0x600 [ 67.286544][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 67.292628][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 67.297672][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 67.303322][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 67.309510][ C1] call_timer_fn+0x38/0x290 [ 67.314026][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 67.320106][ C1] __run_timers+0x637/0x9a0 [ 67.324709][ C1] ? calc_index+0x200/0x200 [ 67.329227][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 67.334095][ C1] run_timer_softirq+0x6a/0xf0 [ 67.338868][ C1] handle_softirqs+0x250/0x560 [ 67.344614][ C1] __irq_exit_rcu+0x52/0xf0 [ 67.349154][ C1] irq_exit_rcu+0x9/0x10 [ 67.353431][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 67.359090][ C1] [ 67.362035][ C1] [ 67.364983][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 67.371180][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 67.377605][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 67.397245][ C1] RSP: 0018:ffffc900000275d0 EFLAGS: 00000293 [ 67.403339][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888100264f00 [ 67.411331][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 67.419322][ C1] RBP: ffffc900000275d0 R08: 0000000000000003 R09: 0000000000000004 [ 67.427306][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 67.435295][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000004ebc [ 67.443282][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 67.448941][ C1] dump_stack_lvl+0xce/0x170 [ 67.453883][ C1] ? show_regs_print_info+0x20/0x20 [ 67.459120][ C1] ? prandom_u32+0x24d/0x290 [ 67.463773][ C1] dump_stack+0x15/0x20 [ 67.467959][ C1] should_fail+0x3ab/0x500 [ 67.472392][ C1] __should_failslab+0xa4/0xe0 [ 67.477172][ C1] should_failslab+0x9/0x20 [ 67.481694][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 67.486645][ C1] ? alloc_vmap_area+0x643/0x1a70 [ 67.491712][ C1] kmem_cache_alloc+0x44/0x260 [ 67.496497][ C1] alloc_vmap_area+0x643/0x1a70 [ 67.501367][ C1] ? vm_map_ram+0xa70/0xa70 [ 67.505887][ C1] ? kmem_cache_alloc_trace+0x119/0x270 [ 67.511451][ C1] ? __get_vm_area_node+0x11d/0x350 [ 67.516666][ C1] __get_vm_area_node+0x14e/0x350 [ 67.521710][ C1] __vmalloc_node_range+0xe8/0xad0 [ 67.526836][ C1] ? copy_process+0x5e0/0x3280 [ 67.531614][ C1] ? slab_post_alloc_hook+0x6d/0x2b0 [ 67.536918][ C1] ? kmem_cache_alloc+0xf7/0x260 [ 67.541878][ C1] dup_task_struct+0x41e/0xc50 [ 67.546658][ C1] ? copy_process+0x5e0/0x3280 [ 67.551443][ C1] copy_process+0x5e0/0x3280 [ 67.556054][ C1] ? update_load_avg+0x442/0x1110 [ 67.561115][ C1] ? __pidfd_prepare+0x150/0x150 [ 67.566094][ C1] ? __switch_to+0x56c/0x1070 [ 67.570787][ C1] kernel_clone+0x233/0x960 [ 67.575312][ C1] ? create_io_thread+0x170/0x170 [ 67.580457][ C1] ? finish_task_switch+0x16b/0x790 [ 67.585670][ C1] ? switch_mm_irqs_off+0x32d/0x960 [ 67.591054][ C1] ? kthread_blkcg+0xd0/0xd0 [ 67.595659][ C1] kernel_thread+0xfe/0x170 [ 67.600205][ C1] ? ptrace_event_pid+0x180/0x180 [ 67.605248][ C1] ? kthread_blkcg+0xd0/0xd0 [ 67.609859][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 67.615251][ C1] ? __kasan_check_read+0x11/0x20 [ 67.620304][ C1] kthreadd+0x346/0x480 [ 67.624558][ C1] ? tokenize_frame_descr+0x93/0xc0 [ 67.629834][ C1] ? kthread_stop+0x3e0/0x3e0 [ 67.634521][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 67.640731][ C1] ? calculate_sigpending+0x7c/0x90 [ 67.646005][ C1] ? kthread_stop+0x3e0/0x3e0 [ 67.650708][ C1] ret_from_fork+0x1f/0x30 [ 67.655258][ C1] [ 67.658318][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 67.658972][ C1] FAULT_INJECTION: forcing a failure. [ 67.658972][ C1] name failslab, interval 1, probability 10, space 0, times 9 [ 67.665637][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.665654][ C0] Workqueue: mld mld_ifc_work [ 67.693059][ C0] Call Trace: [ 67.696389][ C0] [ 67.699249][ C0] __dump_stack+0x21/0x30 [ 67.703622][ C0] dump_stack_lvl+0x110/0x170 [ 67.708317][ C0] ? show_regs_print_info+0x20/0x20 [ 67.713529][ C0] ? prandom_u32+0x24d/0x290 [ 67.718143][ C0] dump_stack+0x15/0x20 [ 67.722319][ C0] should_fail+0x3ab/0x500 [ 67.726756][ C0] __should_failslab+0xa4/0xe0 [ 67.731548][ C0] should_failslab+0x9/0x20 [ 67.736065][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 67.741021][ C0] ? __alloc_skb+0xe4/0x730 [ 67.745543][ C0] kmem_cache_alloc+0x44/0x260 [ 67.750329][ C0] __alloc_skb+0xe4/0x730 [ 67.754686][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 67.760173][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 67.766782][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 67.773246][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 67.779327][ C0] call_timer_fn+0x38/0x290 [ 67.783849][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 67.789932][ C0] __run_timers+0x637/0x9a0 [ 67.794457][ C0] ? calc_index+0x200/0x200 [ 67.798980][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 67.804062][ C0] run_timer_softirq+0x6a/0xf0 [ 67.808859][ C0] handle_softirqs+0x250/0x560 [ 67.813699][ C0] __irq_exit_rcu+0x52/0xf0 [ 67.818231][ C0] irq_exit_rcu+0x9/0x10 [ 67.822498][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 67.828174][ C0] [ 67.831118][ C0] [ 67.834062][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 67.840059][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 67.846237][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 67.865859][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 67.871946][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 67.880258][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 67.888265][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 67.896348][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 67.904370][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 67.912366][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 67.918022][ C0] dump_stack_lvl+0xce/0x170 [ 67.922627][ C0] ? show_regs_print_info+0x20/0x20 [ 67.927891][ C0] dump_stack+0x15/0x20 [ 67.932115][ C0] should_fail+0x3ab/0x500 [ 67.936558][ C0] __should_failslab+0xa4/0xe0 [ 67.941348][ C0] should_failslab+0x9/0x20 [ 67.945883][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 67.950929][ C0] ? __alloc_skb+0xe4/0x730 [ 67.955452][ C0] kmem_cache_alloc+0x44/0x260 [ 67.960253][ C0] __alloc_skb+0xe4/0x730 [ 67.964604][ C0] mld_newpack+0x143/0x9e0 [ 67.969057][ C0] ? mld_sendpack+0xba0/0xba0 [ 67.973837][ C0] ? __switch_to+0x56c/0x1070 [ 67.978526][ C0] add_grec+0xee8/0x1340 [ 67.983698][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 67.990967][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 67.995853][ C0] mld_ifc_work+0x728/0xc40 [ 68.000376][ C0] ? __schedule+0xbd7/0x14a0 [ 68.004987][ C0] process_one_work+0x6c8/0xbb0 [ 68.009862][ C0] worker_thread+0xaa0/0x1250 [ 68.014558][ C0] kthread+0x3f5/0x4f0 [ 68.018684][ C0] ? worker_clr_flags+0x190/0x190 [ 68.023724][ C0] ? kthread_blkcg+0xd0/0xd0 [ 68.028326][ C0] ret_from_fork+0x1f/0x30 [ 68.032783][ C0] [ 68.035931][ C1] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 68.043058][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.045799][ C0] FAULT_INJECTION: forcing a failure. [ 68.045799][ C0] name failslab, interval 1, probability 10, space 0, times 8 [ 68.053131][ C1] Call Trace: [ 68.053140][ C1] [ 68.071970][ C1] __dump_stack+0x21/0x30 [ 68.076321][ C1] dump_stack_lvl+0x110/0x170 [ 68.081014][ C1] ? show_regs_print_info+0x20/0x20 [ 68.086233][ C1] dump_stack+0x15/0x20 [ 68.090402][ C1] should_fail+0x3ab/0x500 [ 68.094832][ C1] ? ndisc_send_rs+0x310/0x960 [ 68.100043][ C1] __should_failslab+0xa4/0xe0 [ 68.104826][ C1] should_failslab+0x9/0x20 [ 68.109341][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 68.114294][ C1] ? ndisc_send_rs+0x310/0x960 [ 68.119076][ C1] ? ndisc_send_rs+0x310/0x960 [ 68.123860][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 68.129165][ C1] ? ndisc_send_rs+0x310/0x960 [ 68.133942][ C1] ? ndisc_send_rs+0x310/0x960 [ 68.138718][ C1] __alloc_skb+0x210/0x730 [ 68.143178][ C1] ndisc_send_rs+0x310/0x960 [ 68.147872][ C1] ? ndisc_send_rs+0x131/0x960 [ 68.152659][ C1] addrconf_rs_timer+0x35a/0x600 [ 68.157615][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 68.163706][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 68.168777][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 68.174698][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 68.180790][ C1] call_timer_fn+0x38/0x290 [ 68.185336][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 68.191450][ C1] __run_timers+0x637/0x9a0 [ 68.195971][ C1] ? calc_index+0x200/0x200 [ 68.200497][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 68.205366][ C1] run_timer_softirq+0x6a/0xf0 [ 68.210145][ C1] handle_softirqs+0x250/0x560 [ 68.214953][ C1] __irq_exit_rcu+0x52/0xf0 [ 68.219473][ C1] irq_exit_rcu+0x9/0x10 [ 68.223732][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 68.229378][ C1] [ 68.232324][ C1] [ 68.235269][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 68.241291][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 68.247550][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 68.267167][ C1] RSP: 0018:ffffc900000275d0 EFLAGS: 00000293 [ 68.273274][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888100264f00 [ 68.281258][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 68.289244][ C1] RBP: ffffc900000275d0 R08: 0000000000000003 R09: 0000000000000004 [ 68.297229][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 68.305226][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000004ebc [ 68.313241][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 68.318893][ C1] dump_stack_lvl+0xce/0x170 [ 68.323496][ C1] ? show_regs_print_info+0x20/0x20 [ 68.328854][ C1] ? prandom_u32+0x24d/0x290 [ 68.333455][ C1] dump_stack+0x15/0x20 [ 68.337625][ C1] should_fail+0x3ab/0x500 [ 68.342055][ C1] __should_failslab+0xa4/0xe0 [ 68.346830][ C1] should_failslab+0x9/0x20 [ 68.351435][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 68.356407][ C1] ? alloc_vmap_area+0x643/0x1a70 [ 68.361462][ C1] kmem_cache_alloc+0x44/0x260 [ 68.366424][ C1] alloc_vmap_area+0x643/0x1a70 [ 68.371378][ C1] ? vm_map_ram+0xa70/0xa70 [ 68.375894][ C1] ? kmem_cache_alloc_trace+0x119/0x270 [ 68.381455][ C1] ? __get_vm_area_node+0x11d/0x350 [ 68.386661][ C1] __get_vm_area_node+0x14e/0x350 [ 68.391700][ C1] __vmalloc_node_range+0xe8/0xad0 [ 68.396823][ C1] ? copy_process+0x5e0/0x3280 [ 68.401601][ C1] ? slab_post_alloc_hook+0x6d/0x2b0 [ 68.406898][ C1] ? kmem_cache_alloc+0xf7/0x260 [ 68.411905][ C1] dup_task_struct+0x41e/0xc50 [ 68.416724][ C1] ? copy_process+0x5e0/0x3280 [ 68.421512][ C1] copy_process+0x5e0/0x3280 [ 68.426128][ C1] ? update_load_avg+0x442/0x1110 [ 68.431168][ C1] ? __pidfd_prepare+0x150/0x150 [ 68.436128][ C1] ? __switch_to+0x56c/0x1070 [ 68.440816][ C1] kernel_clone+0x233/0x960 [ 68.445428][ C1] ? create_io_thread+0x170/0x170 [ 68.450490][ C1] ? finish_task_switch+0x16b/0x790 [ 68.455715][ C1] ? switch_mm_irqs_off+0x32d/0x960 [ 68.460935][ C1] ? kthread_blkcg+0xd0/0xd0 [ 68.465563][ C1] kernel_thread+0xfe/0x170 [ 68.470083][ C1] ? ptrace_event_pid+0x180/0x180 [ 68.475133][ C1] ? kthread_blkcg+0xd0/0xd0 [ 68.479733][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 68.485117][ C1] ? __kasan_check_read+0x11/0x20 [ 68.490165][ C1] kthreadd+0x346/0x480 [ 68.494333][ C1] ? tokenize_frame_descr+0x93/0xc0 [ 68.499547][ C1] ? kthread_stop+0x3e0/0x3e0 [ 68.504234][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 68.509442][ C1] ? calculate_sigpending+0x7c/0x90 [ 68.514653][ C1] ? kthread_stop+0x3e0/0x3e0 [ 68.519343][ C1] ret_from_fork+0x1f/0x30 [ 68.523771][ C1] [ 68.526799][ C0] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 68.534118][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.544204][ C0] Workqueue: mld mld_ifc_work [ 68.548901][ C0] Call Trace: [ 68.552187][ C0] [ 68.555037][ C0] __dump_stack+0x21/0x30 [ 68.559390][ C0] dump_stack_lvl+0x110/0x170 [ 68.564119][ C0] ? show_regs_print_info+0x20/0x20 [ 68.569326][ C0] ? prandom_u32+0x24d/0x290 [ 68.573923][ C0] dump_stack+0x15/0x20 [ 68.578086][ C0] should_fail+0x3ab/0x500 [ 68.582513][ C0] __should_failslab+0xa4/0xe0 [ 68.587288][ C0] should_failslab+0x9/0x20 [ 68.591799][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 68.596752][ C0] kmem_cache_alloc_bulk+0x3a/0x340 [ 68.601961][ C0] ? mld_newpack+0x143/0x9e0 [ 68.606563][ C0] ? add_grec+0xee8/0x1340 [ 68.610996][ C0] __alloc_skb+0x51c/0x730 [ 68.615426][ C0] __napi_alloc_skb+0x162/0x2e0 [ 68.620311][ C0] page_to_skb+0x274/0xb60 [ 68.624741][ C0] receive_buf+0xcd3/0x4bc0 [ 68.629264][ C0] ? virtnet_poll_tx+0x4e0/0x4e0 [ 68.634212][ C0] ? kfree_skbmem+0x10c/0x180 [ 68.638901][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 68.644372][ C0] ? detach_buf_split+0x88d/0xa90 [ 68.649406][ C0] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 68.654876][ C0] virtnet_poll+0x510/0xe90 [ 68.659388][ C0] ? __kasan_check_write+0x14/0x20 [ 68.664511][ C0] ? refill_work+0x220/0x220 [ 68.669111][ C0] __napi_poll+0xbb/0x580 [ 68.673450][ C0] net_rx_action+0x37f/0x910 [ 68.678135][ C0] ? net_tx_action+0x520/0x520 [ 68.682909][ C0] handle_softirqs+0x250/0x560 [ 68.687690][ C0] __irq_exit_rcu+0x52/0xf0 [ 68.692241][ C0] irq_exit_rcu+0x9/0x10 [ 68.696496][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 68.702139][ C0] [ 68.705087][ C0] [ 68.708050][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 68.714097][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 68.720500][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 68.740558][ C0] RSP: 0018:ffffc90000147890 EFLAGS: 00000293 [ 68.746655][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810030e2c0 [ 68.754639][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 68.762622][ C0] RBP: ffffc90000147890 R08: 0000000000000003 R09: 0000000000000004 [ 68.770609][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 68.778591][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000028f14 [ 68.786586][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 68.792257][ C0] dump_stack_lvl+0xce/0x170 [ 68.796862][ C0] ? show_regs_print_info+0x20/0x20 [ 68.802076][ C0] dump_stack+0x15/0x20 [ 68.806242][ C0] should_fail+0x3ab/0x500 [ 68.810674][ C0] __should_failslab+0xa4/0xe0 [ 68.815453][ C0] should_failslab+0x9/0x20 [ 68.819970][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 68.824925][ C0] ? __alloc_skb+0xe4/0x730 [ 68.829442][ C0] kmem_cache_alloc+0x44/0x260 [ 68.834219][ C0] __alloc_skb+0xe4/0x730 [ 68.838559][ C0] mld_newpack+0x143/0x9e0 [ 68.842985][ C0] ? mld_sendpack+0xba0/0xba0 [ 68.847675][ C0] ? __switch_to+0x56c/0x1070 [ 68.852362][ C0] add_grec+0xee8/0x1340 [ 68.856615][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 68.863217][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 68.868169][ C0] mld_ifc_work+0x728/0xc40 [ 68.872680][ C0] ? __schedule+0xbd7/0x14a0 [ 68.877288][ C0] process_one_work+0x6c8/0xbb0 [ 68.882158][ C0] worker_thread+0xaa0/0x1250 [ 68.886852][ C0] kthread+0x3f5/0x4f0 [ 68.890931][ C0] ? worker_clr_flags+0x190/0x190 [ 68.895968][ C0] ? kthread_blkcg+0xd0/0xd0 [ 68.900570][ C0] ret_from_fork+0x1f/0x30 [ 68.905001][ C0] [ 68.908033][ T26] CPU: 1 PID: 26 Comm: kworker/1:0 Not tainted syzkaller #0 [ 68.909755][ T6] hub 4-0:1.0: hub_ext_port_status failed (err = -12) [ 68.915350][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.915365][ T26] Workqueue: usb_hub_wq hub_event [ 68.915390][ T26] Call Trace: [ 68.915396][ T26] [ 68.915404][ T26] __dump_stack+0x21/0x30 [ 68.915425][ T26] dump_stack_lvl+0x110/0x170 [ 68.915444][ T26] ? show_regs_print_info+0x20/0x20 [ 68.915464][ T26] ? prandom_u32+0x24d/0x290 [ 68.915486][ T26] dump_stack+0x15/0x20 [ 68.915503][ T26] should_fail+0x3ab/0x500 [ 68.915525][ T26] __should_failslab+0xa4/0xe0 [ 68.915549][ T26] should_failslab+0x9/0x20 [ 68.915569][ T26] slab_pre_alloc_hook+0x39/0xd0 [ 68.915592][ T26] __kmalloc+0x6d/0x2c0 [ 68.915618][ T26] ? usb_alloc_urb+0x44/0x140 [ 68.915639][ T26] usb_alloc_urb+0x44/0x140 [ 68.915659][ T26] usb_control_msg+0x11c/0x3f0 [ 68.915681][ T26] hub_ext_port_status+0xf2/0x6a0 [ 68.915707][ T26] hub_event+0x749/0x43f0 [ 68.915726][ T26] ? trace_rpm_return_int_rcuidle+0x21/0x190 [ 68.915751][ T26] ? pm_schedule_suspend+0x1e0/0x1e0 [ 68.915775][ T26] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 68.915803][ T26] ? __kasan_check_write+0x14/0x20 [ 68.915826][ T26] ? hub_post_resume+0x120/0x120 [ 68.915849][ T26] ? __kasan_check_write+0x14/0x20 [ 68.915871][ T26] ? _raw_spin_lock_irq+0x95/0xf0 [ 68.915894][ T26] ? _raw_spin_lock_irqsave+0x130/0x130 [ 68.915920][ T26] process_one_work+0x6c8/0xbb0 [ 68.923255][ T89] FAULT_INJECTION: forcing a failure. [ 68.923255][ T89] name failslab, interval 1, probability 10, space 0, times 4 [ 68.932758][ T26] worker_thread+0xaa0/0x1250 [ 68.932792][ T26] kthread+0x3f5/0x4f0 [ 68.932813][ T26] ? worker_clr_flags+0x190/0x190 [ 68.932836][ T26] ? kthread_blkcg+0xd0/0xd0 [ 68.932858][ T26] ret_from_fork+0x1f/0x30 [ 68.932881][ T26] [ 68.932948][ T100] CPU: 1 PID: 100 Comm: udevd Not tainted syzkaller #0 [ 68.932970][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.932982][ T100] Call Trace: [ 68.932988][ T100] [ 68.932995][ T100] __dump_stack+0x21/0x30 [ 68.933015][ T100] dump_stack_lvl+0x110/0x170 [ 68.933033][ T100] ? show_regs_print_info+0x20/0x20 [ 68.933053][ T100] dump_stack+0x15/0x20 [ 68.933070][ T100] should_fail+0x3ab/0x500 [ 68.933091][ T100] __should_failslab+0xa4/0xe0 [ 68.933114][ T100] should_failslab+0x9/0x20 [ 68.933134][ T100] slab_pre_alloc_hook+0x39/0xd0 [ 68.933157][ T100] ? getname_flags+0xba/0x510 [ 68.933176][ T100] kmem_cache_alloc+0x44/0x260 [ 68.933199][ T100] getname_flags+0xba/0x510 [ 68.933218][ T100] user_path_at_empty+0x2f/0x1c0 [ 68.933239][ T100] do_readlinkat+0xd9/0x490 [ 68.933261][ T100] ? __blkcg_punt_bio_submit+0x170/0x170 [ 68.933281][ T100] ? cp_old_stat+0x4a0/0x4a0 [ 68.933304][ T100] ? __kasan_check_write+0x14/0x20 [ 68.933325][ T100] ? switch_fpu_return+0x15d/0x2c0 [ 69.207828][ T100] __x64_sys_readlink+0x7f/0x90 [ 69.212732][ T100] x64_sys_call+0x93c/0x9a0 [ 69.217256][ T100] do_syscall_64+0x4c/0xa0 [ 69.221688][ T100] ? clear_bhb_loop+0x50/0xa0 [ 69.225249][ T6] usb 4-1: device descriptor read/64, error -110 [ 69.226401][ T100] ? clear_bhb_loop+0x50/0xa0 [ 69.237415][ T100] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.243497][ T100] RIP: 0033:0x7f42e695d3a7 [ 69.248018][ T100] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 69.267641][ T100] RSP: 002b:00007fff7dad5f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 69.276162][ T100] RAX: ffffffffffffffda RBX: 00007fff7dad6460 RCX: 00007f42e695d3a7 [ 69.284154][ T100] RDX: 0000000000000400 RSI: 00007fff7dad5f90 RDI: 00007fff7dad6460 [ 69.292136][ T100] RBP: 00007fff7dad5f90 R08: 000055d99bf311d0 R09: 0000000000000000 [ 69.300136][ T100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 [ 69.308127][ T100] R13: 000055d974157100 R14: 0000000000000000 R15: 00007fff7dad6f60 [ 69.316119][ T100] [ 69.319155][ T89] CPU: 0 PID: 89 Comm: klogd Not tainted syzkaller #0 [ 69.319591][ C1] FAULT_INJECTION: forcing a failure. [ 69.319591][ C1] name failslab, interval 1, probability 10, space 0, times 4 [ 69.325942][ T89] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.325958][ T89] Call Trace: [ 69.325965][ T89] [ 69.355008][ T89] __dump_stack+0x21/0x30 [ 69.359367][ T89] dump_stack_lvl+0x110/0x170 [ 69.364054][ T89] ? show_regs_print_info+0x20/0x20 [ 69.369269][ T89] dump_stack+0x15/0x20 [ 69.373438][ T89] should_fail+0x3ab/0x500 [ 69.377959][ T89] __should_failslab+0xa4/0xe0 [ 69.382743][ T89] should_failslab+0x9/0x20 [ 69.387259][ T89] slab_pre_alloc_hook+0x39/0xd0 [ 69.392210][ T89] ? sk_prot_alloc+0x5f/0x320 [ 69.396896][ T89] kmem_cache_alloc+0x44/0x260 [ 69.401677][ T89] ? slab_post_alloc_hook+0x6d/0x2b0 [ 69.406977][ T89] sk_prot_alloc+0x5f/0x320 [ 69.411495][ T89] sk_alloc+0x38/0x430 [ 69.415575][ T89] unix_create1+0xb4/0x610 [ 69.420007][ T89] unix_create+0x149/0x200 [ 69.424434][ T89] __sock_create+0x38d/0x7a0 [ 69.429231][ T89] __sys_socket+0xec/0x190 [ 69.433664][ T89] __x64_sys_socket+0x7a/0x90 [ 69.438358][ T89] x64_sys_call+0x8c5/0x9a0 [ 69.442873][ T89] do_syscall_64+0x4c/0xa0 [ 69.447304][ T89] ? clear_bhb_loop+0x50/0xa0 [ 69.451994][ T89] ? clear_bhb_loop+0x50/0xa0 [ 69.456683][ T89] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.462593][ T89] RIP: 0033:0x7f9ffc724707 [ 69.467020][ T89] 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 [ 69.486744][ T89] RSP: 002b:00007fffb8ed4708 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 69.495170][ T89] RAX: ffffffffffffffda RBX: 0000000000000062 RCX: 00007f9ffc724707 [ 69.503162][ T89] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 69.511146][ T89] RBP: 00007f9ffc7b0560 R08: 0000000000000000 R09: 0000000000000000 [ 69.519222][ T89] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 69.527209][ T89] R13: 00007fffb8ed4830 R14: 0000000000000047 R15: 00007fffb8ed4830 [ 69.535201][ T89] [ 69.538230][ C1] CPU: 1 PID: 100 Comm: udevd Not tainted syzkaller #0 [ 69.538555][ T6] FAULT_INJECTION: forcing a failure. [ 69.538555][ T6] name failslab, interval 1, probability 10, space 0, times 4 [ 69.545106][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.545121][ C1] Call Trace: [ 69.545129][ C1] [ 69.545138][ C1] __dump_stack+0x21/0x30 [ 69.559507][ T194] FAULT_INJECTION: forcing a failure. [ 69.559507][ T194] name failslab, interval 1, probability 10, space 0, times 3 [ 69.567861][ C1] dump_stack_lvl+0x110/0x170 [ 69.567888][ C1] ? show_regs_print_info+0x20/0x20 [ 69.567908][ C1] ? prandom_u32+0x24d/0x290 [ 69.571685][ T138] FAULT_INJECTION: forcing a failure. [ 69.571685][ T138] name failslab, interval 1, probability 10, space 0, times 3 [ 69.574056][ C1] dump_stack+0x15/0x20 [ 69.622301][ C1] should_fail+0x3ab/0x500 [ 69.626744][ C1] __should_failslab+0xa4/0xe0 [ 69.631522][ C1] should_failslab+0x9/0x20 [ 69.636039][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 69.640995][ C1] ? dst_alloc+0x15c/0x1d0 [ 69.645423][ C1] kmem_cache_alloc+0x44/0x260 [ 69.650203][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 69.656022][ C1] dst_alloc+0x15c/0x1d0 [ 69.660277][ C1] icmp6_dst_alloc+0xec/0x520 [ 69.664964][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 69.670639][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 69.675593][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 69.680284][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.686364][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 69.691346][ C1] ndisc_send_rs+0x711/0x960 [ 69.695975][ C1] addrconf_rs_timer+0x35a/0x600 [ 69.700933][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 69.707036][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 69.712078][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 69.717643][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 69.723731][ C1] call_timer_fn+0x38/0x290 [ 69.728246][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 69.734347][ C1] __run_timers+0x637/0x9a0 [ 69.738887][ C1] ? calc_index+0x200/0x200 [ 69.743404][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 69.748271][ C1] run_timer_softirq+0x6a/0xf0 [ 69.753047][ C1] handle_softirqs+0x250/0x560 [ 69.757828][ C1] __irq_exit_rcu+0x52/0xf0 [ 69.762346][ C1] irq_exit_rcu+0x9/0x10 [ 69.766600][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 69.772253][ C1] [ 69.775202][ C1] [ 69.778143][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 69.784144][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 69.789618][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be 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 [ 69.809233][ C1] RSP: 0018:ffffc90000a27ba0 EFLAGS: 00000293 [ 69.815313][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810e04bb40 [ 69.823323][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 69.831305][ C1] RBP: ffffc90000a27c38 R08: 0000000000000003 R09: 0000000000000004 [ 69.839291][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 69.847277][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000144f74 [ 69.855266][ C1] ? dump_stack_lvl+0x13b/0x170 [ 69.860136][ C1] ? show_regs_print_info+0x20/0x20 [ 69.865370][ C1] dump_stack+0x15/0x20 [ 69.869552][ C1] should_fail+0x3ab/0x500 [ 69.874002][ C1] __should_failslab+0xa4/0xe0 [ 69.878801][ C1] should_failslab+0x9/0x20 [ 69.883321][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 69.888270][ C1] ? getname_flags+0xba/0x510 [ 69.893048][ C1] kmem_cache_alloc+0x44/0x260 [ 69.897828][ C1] getname_flags+0xba/0x510 [ 69.902432][ C1] user_path_at_empty+0x2f/0x1c0 [ 69.907386][ C1] do_readlinkat+0xd9/0x490 [ 69.911902][ C1] ? __blkcg_punt_bio_submit+0x170/0x170 [ 69.917548][ C1] ? cp_old_stat+0x4a0/0x4a0 [ 69.922157][ C1] ? __kasan_check_write+0x14/0x20 [ 69.927515][ C1] ? switch_fpu_return+0x15d/0x2c0 [ 69.932640][ C1] __x64_sys_readlink+0x7f/0x90 [ 69.937506][ C1] x64_sys_call+0x93c/0x9a0 [ 69.942022][ C1] do_syscall_64+0x4c/0xa0 [ 69.946452][ C1] ? clear_bhb_loop+0x50/0xa0 [ 69.951142][ C1] ? clear_bhb_loop+0x50/0xa0 [ 69.955840][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.961784][ C1] RIP: 0033:0x7f42e695d3a7 [ 69.965389][ T89] FAULT_INJECTION: forcing a failure. [ 69.965389][ T89] name failslab, interval 1, probability 10, space 0, times 2 [ 69.966213][ C1] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 69.998578][ C1] RSP: 002b:00007fff7dad5f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 70.007016][ C1] RAX: ffffffffffffffda RBX: 00007fff7dad6460 RCX: 00007f42e695d3a7 [ 70.015014][ C1] RDX: 0000000000000400 RSI: 00007fff7dad5f90 RDI: 00007fff7dad6460 [ 70.023087][ C1] RBP: 00007fff7dad5f90 R08: 000055d99bf311d0 R09: 0000000000000000 [ 70.031070][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 [ 70.039053][ C1] R13: 000055d974157100 R14: 0000000000000000 R15: 00007fff7dad6f60 [ 70.047049][ C1] [ 70.051199][ T138] CPU: 0 PID: 138 Comm: dhcpcd Not tainted syzkaller #0 [ 70.058166][ T138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 70.068238][ T138] Call Trace: [ 70.071533][ T138] [ 70.074562][ T138] __dump_stack+0x21/0x30 [ 70.078912][ T138] dump_stack_lvl+0x110/0x170 [ 70.083608][ T138] ? show_regs_print_info+0x20/0x20 [ 70.088823][ T138] ? prandom_u32+0x24d/0x290 [ 70.093439][ T138] dump_stack+0x15/0x20 [ 70.097616][ T138] should_fail+0x3ab/0x500 [ 70.102053][ T138] __should_failslab+0xa4/0xe0 [ 70.106838][ T138] should_failslab+0x9/0x20 [ 70.111356][ T138] slab_pre_alloc_hook+0x39/0xd0 [ 70.116310][ T138] ? __alloc_skb+0xe4/0x730 [ 70.120827][ T138] kmem_cache_alloc+0x44/0x260 [ 70.125617][ T138] __alloc_skb+0xe4/0x730 [ 70.129959][ T138] alloc_skb_with_frags+0xa8/0x620 [ 70.135081][ T138] ? avc_has_perm_noaudit+0x390/0x490 [ 70.140469][ T138] sock_alloc_send_pskb+0x87f/0x9a0 [ 70.145711][ T138] ? avc_denied+0x1b0/0x1b0 [ 70.150247][ T138] ? sock_kzfree_s+0x60/0x60 [ 70.154872][ T138] ? __kasan_check_write+0x14/0x20 [ 70.159998][ T138] ? _raw_spin_lock+0x94/0xf0 [ 70.164689][ T138] ? _raw_spin_trylock_bh+0x150/0x150 [ 70.170093][ T138] ? avc_has_perm+0x163/0x250 [ 70.174786][ T138] unix_dgram_sendmsg+0x6f3/0x19b0 [ 70.179929][ T138] ? selinux_socket_sendmsg+0x22f/0x340 [ 70.185494][ T138] ? selinux_socket_accept+0x570/0x570 [ 70.190971][ T138] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.195947][ T138] ? sock_def_readable+0x1c8/0x320 [ 70.201073][ T138] ? __kasan_check_write+0x14/0x20 [ 70.206206][ T138] unix_seqpacket_sendmsg+0x118/0x1e0 [ 70.211593][ T138] sock_write_iter+0x2a6/0x3a0 [ 70.216461][ T138] ? sock_read_iter+0x380/0x380 [ 70.221332][ T138] ? file_has_perm+0x52d/0x700 [ 70.226109][ T138] do_iter_readv_writev+0x477/0x5f0 [ 70.231324][ T138] ? generic_file_rw_checks+0x2a0/0x2a0 [ 70.235194][ T26] hub 5-0:1.0: hub_ext_port_status failed (err = -12) [ 70.236881][ T138] ? fsnotify_perm+0x67/0x5b0 [ 70.248331][ T138] ? security_file_permission+0x79/0xa0 [ 70.253908][ T138] ? security_file_permission+0x83/0xa0 [ 70.259467][ T138] do_iter_write+0x207/0x7b0 [ 70.264098][ T138] vfs_writev+0x2df/0x570 [ 70.268443][ T138] ? do_writev+0x2c0/0x2c0 [ 70.272888][ T138] ? __kasan_check_read+0x11/0x20 [ 70.277926][ T138] ? __fdget_pos+0x1f7/0x380 [ 70.282530][ T138] do_writev+0x14e/0x2c0 [ 70.286784][ T138] ? do_readv+0x450/0x450 [ 70.291128][ T138] ? __secure_computing+0xea/0x290 [ 70.296258][ T138] __x64_sys_writev+0x7d/0x90 [ 70.300952][ T138] x64_sys_call+0x974/0x9a0 [ 70.305467][ T138] do_syscall_64+0x4c/0xa0 [ 70.309895][ T138] ? clear_bhb_loop+0x50/0xa0 [ 70.314587][ T138] ? clear_bhb_loop+0x50/0xa0 [ 70.319276][ T138] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.325206][ T138] RIP: 0033:0x7f813afe4407 [ 70.329635][ T138] 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 [ 70.349347][ T138] RSP: 002b:00007ffc3fa42cf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 70.357785][ T138] RAX: ffffffffffffffda RBX: 00007f813af5a740 RCX: 00007f813afe4407 [ 70.365771][ T138] RDX: 0000000000000005 RSI: 00007ffc3fa42d50 RDI: 000000000000000a [ 70.373757][ T138] RBP: 000055fb08ee2340 R08: 0000000000000000 R09: 0000000000000000 [ 70.381910][ T138] R10: 0000000000000000 R11: 0000000000000202 R12: 000055fb08ee2340 [ 70.390072][ T138] R13: 000000000000012c R14: 00000000ffffffff R15: 0000000000000000 [ 70.398059][ T138] [ 70.401090][ T63] CPU: 1 PID: 63 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 70.408403][ T63] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 70.418475][ T63] Call Trace: [ 70.421765][ T63] [ 70.424710][ T63] __dump_stack+0x21/0x30 [ 70.429058][ T63] dump_stack_lvl+0x110/0x170 [ 70.433746][ T63] ? show_regs_print_info+0x20/0x20 [ 70.438955][ T63] ? prandom_u32+0x24d/0x290 [ 70.443568][ T63] dump_stack+0x15/0x20 [ 70.447738][ T63] should_fail+0x3ab/0x500 [ 70.452169][ T63] __should_failslab+0xa4/0xe0 [ 70.456949][ T63] should_failslab+0x9/0x20 [ 70.461473][ T63] slab_pre_alloc_hook+0x39/0xd0 [ 70.466469][ T63] ? mempool_alloc_slab+0x1d/0x30 [ 70.471511][ T63] kmem_cache_alloc+0x44/0x260 [ 70.476293][ T63] ? mempool_free+0x330/0x330 [ 70.480993][ T63] mempool_alloc_slab+0x1d/0x30 [ 70.485852][ T63] mempool_alloc+0x167/0x4c0 [ 70.490478][ T63] ? chksum_update+0x47/0xa0 [ 70.495082][ T63] ? crypto_shash_update+0x216/0x300 [ 70.500381][ T63] ? crypto_shash_setkey+0x2c0/0x2c0 [ 70.505703][ T63] ? mempool_resize+0x880/0x880 [ 70.510567][ T63] ? chksum_update+0x47/0xa0 [ 70.515169][ T63] ? crypto_shash_update+0x216/0x300 [ 70.520470][ T63] bio_alloc_bioset+0x124/0x910 [ 70.525339][ T63] submit_bh_wbc+0x1c2/0x680 [ 70.529944][ T63] ? jbd2_journal_get_descriptor_buffer+0x390/0x390 [ 70.536559][ T63] submit_bh+0x2a/0x40 [ 70.540644][ T63] jbd2_journal_commit_transaction+0x2461/0x5650 [ 70.546997][ T63] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 70.553775][ T63] ? __switch_to+0x56c/0x1070 [ 70.558489][ T63] ? compat_start_thread+0x20/0x20 [ 70.563625][ T63] ? _raw_spin_unlock+0x4d/0x70 [ 70.568745][ T63] ? _raw_spin_lock+0xf0/0xf0 [ 70.573456][ T63] ? __schedule+0xbd7/0x14a0 [ 70.578069][ T63] ? detach_if_pending+0x18f/0x300 [ 70.583201][ T63] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 70.589019][ T63] ? del_timer_sync+0x144/0x1a0 [ 70.593883][ T63] kjournald2+0x43d/0x860 [ 70.598228][ T63] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 70.603440][ T63] ? io_schedule+0xe0/0xe0 [ 70.607867][ T63] ? __kasan_check_read+0x11/0x20 [ 70.612904][ T63] ? __kthread_parkme+0xab/0x1f0 [ 70.617852][ T63] kthread+0x3f5/0x4f0 [ 70.622018][ T63] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 70.627230][ T63] ? kthread_blkcg+0xd0/0xd0 [ 70.631835][ T63] ret_from_fork+0x1f/0x30 [ 70.636267][ T63] [ 70.639320][ T331] CPU: 0 PID: 331 Comm: syz.4.11 Not tainted syzkaller #0 [ 70.646466][ T331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 70.656578][ T331] Call Trace: [ 70.659881][ T331] [ 70.662843][ T331] __dump_stack+0x21/0x30 [ 70.667198][ T331] dump_stack_lvl+0x110/0x170 [ 70.671903][ T331] ? show_regs_print_info+0x20/0x20 [ 70.677129][ T331] ? prandom_u32+0x24d/0x290 [ 70.681753][ T331] dump_stack+0x15/0x20 [ 70.685931][ T331] should_fail+0x3ab/0x500 [ 70.690365][ T331] __should_failslab+0xa4/0xe0 [ 70.695150][ T331] should_failslab+0x9/0x20 [ 70.699667][ T331] slab_pre_alloc_hook+0x39/0xd0 [ 70.704622][ T331] __kmalloc+0x6d/0x2c0 [ 70.708789][ T331] ? kobject_get_path+0xbf/0x1f0 [ 70.713743][ T331] kobject_get_path+0xbf/0x1f0 [ 70.718527][ T331] kobject_uevent_env+0x28a/0x700 [ 70.723655][ T331] kobject_uevent+0x1d/0x30 [ 70.728170][ T331] usb_gadget_remove_driver+0x274/0x310 [ 70.733727][ T331] usb_gadget_unregister_driver+0x181/0x480 [ 70.739631][ T331] ? kasan_quarantine_put+0x34/0x190 [ 70.744928][ T331] raw_release+0xda/0x260 [ 70.749268][ T331] ? raw_open+0x3d0/0x3d0 [ 70.753608][ T331] __fput+0x22b/0x900 [ 70.757604][ T331] ____fput+0x15/0x20 [ 70.761594][ T331] task_work_run+0x127/0x190 [ 70.766192][ T331] do_exit+0xb70/0x29a0 [ 70.770359][ T331] ? __up+0x160/0x160 [ 70.774357][ T331] ? put_task_struct+0x90/0x90 [ 70.779134][ T331] ? __kasan_check_write+0x14/0x20 [ 70.784259][ T331] ? _raw_spin_lock_irq+0x95/0xf0 [ 70.789304][ T331] do_group_exit+0x149/0x310 [ 70.793920][ T331] ? __kasan_check_write+0x14/0x20 [ 70.799055][ T331] ? recalc_sigpending+0x1c4/0x230 [ 70.804183][ T331] get_signal+0x64f/0x1430 [ 70.808617][ T331] ? has_cap_mac_admin+0x370/0x370 [ 70.813746][ T331] arch_do_signal_or_restart+0xe2/0x1100 [ 70.819392][ T331] ? selinux_file_ioctl+0x3ad/0x4c0 [ 70.824615][ T331] ? selinux_file_alloc_security+0x120/0x120 [ 70.830617][ T331] ? get_sigframe_size+0x10/0x10 [ 70.835571][ T331] ? __fget_files+0x2e1/0x340 [ 70.840352][ T331] ? fput_many+0x15a/0x1a0 [ 70.844784][ T331] ? fput+0x1a/0x20 [ 70.848607][ T331] exit_to_user_mode_loop+0xa7/0xe0 [ 70.853814][ T331] exit_to_user_mode_prepare+0x87/0xd0 [ 70.859305][ T331] syscall_exit_to_user_mode+0x1a/0x30 [ 70.864783][ T331] do_syscall_64+0x58/0xa0 [ 70.869233][ T331] ? clear_bhb_loop+0x50/0xa0 [ 70.873929][ T331] ? clear_bhb_loop+0x50/0xa0 [ 70.878616][ T331] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.884528][ T331] RIP: 0033:0x7f2170906c2b [ 70.888958][ T331] Code: Unable to access opcode bytes at RIP 0x7f2170906c01. [ 70.896329][ T331] RSP: 002b:00007f216f35df00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.904752][ T331] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 00007f2170906c2b [ 70.912732][ T331] RDX: 00007f216f35efd0 RSI: 0000000080085502 RDI: 0000000000000004 [ 70.920719][ T331] RBP: 00007f216f35efd0 R08: 0000000000000001 R09: 00000000ffffffff [ 70.928705][ T331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502 [ 70.936689][ T331] R13: 0000000800000000 R14: 0000000000000000 R15: 00007f21709bc6d4 [ 70.944677][ T331] [ 70.947712][ T89] CPU: 1 PID: 89 Comm: klogd Not tainted syzkaller #0 [ 70.954872][ T89] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 70.964946][ T89] Call Trace: [ 70.968242][ T89] [ 70.971185][ T89] __dump_stack+0x21/0x30 [ 70.975533][ T89] dump_stack_lvl+0x110/0x170 [ 70.980244][ T89] ? show_regs_print_info+0x20/0x20 [ 70.985488][ T89] ? prandom_u32+0x24d/0x290 [ 70.990111][ T89] dump_stack+0x15/0x20 [ 70.994285][ T89] should_fail+0x3ab/0x500 [ 70.998719][ T89] ? alloc_skb_with_frags+0xa8/0x620 [ 71.004026][ T89] __should_failslab+0xa4/0xe0 [ 71.008902][ T89] should_failslab+0x9/0x20 [ 71.013424][ T89] slab_pre_alloc_hook+0x39/0xd0 [ 71.018381][ T89] ? alloc_skb_with_frags+0xa8/0x620 [ 71.023685][ T89] ? alloc_skb_with_frags+0xa8/0x620 [ 71.029031][ T89] __kmalloc_track_caller+0x6c/0x2c0 [ 71.034352][ T89] ? alloc_skb_with_frags+0xa8/0x620 [ 71.039654][ T89] ? alloc_skb_with_frags+0xa8/0x620 [ 71.044955][ T89] __alloc_skb+0x210/0x730 [ 71.049388][ T89] alloc_skb_with_frags+0xa8/0x620 [ 71.054517][ T89] ? memcpy+0x56/0x70 [ 71.058524][ T89] sock_alloc_send_pskb+0x87f/0x9a0 [ 71.063743][ T89] ? sock_kzfree_s+0x60/0x60 [ 71.068452][ T89] ? __kasan_check_write+0x14/0x20 [ 71.073581][ T89] ? _raw_spin_lock+0x94/0xf0 [ 71.078273][ T89] ? _raw_spin_trylock_bh+0x150/0x150 [ 71.083668][ T89] unix_dgram_sendmsg+0x6f3/0x19b0 [ 71.088800][ T89] ? unix_dgram_poll+0x6c0/0x6c0 [ 71.093747][ T89] ? path_put+0x57/0x60 [ 71.097937][ T89] ? security_socket_sendmsg+0x82/0xa0 [ 71.103408][ T89] __sys_sendto+0x46d/0x620 [ 71.107943][ T89] ? __ia32_sys_getpeername+0x90/0x90 [ 71.113348][ T89] ? __kasan_check_write+0x14/0x20 [ 71.118487][ T89] __x64_sys_sendto+0xe5/0x100 [ 71.123281][ T89] x64_sys_call+0x178/0x9a0 [ 71.127804][ T89] do_syscall_64+0x4c/0xa0 [ 71.132242][ T89] ? clear_bhb_loop+0x50/0xa0 [ 71.136932][ T89] ? clear_bhb_loop+0x50/0xa0 [ 71.141620][ T89] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.147527][ T89] RIP: 0033:0x7f9ffc6a9407 [ 71.151953][ T89] 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 [ 71.171664][ T89] RSP: 002b:00007fffb8ed46f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 71.180089][ T89] RAX: ffffffffffffffda RBX: 00007f9ffc559c80 RCX: 00007f9ffc6a9407 [ 71.188072][ T89] RDX: 0000000000000055 RSI: 00007fffb8ed4830 RDI: 0000000000000003 [ 71.196054][ T89] RBP: 00007fffb8ed4c60 R08: 0000000000000000 R09: 0000000000000000 [ 71.204037][ T89] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffb8ed4c78 [ 71.212021][ T89] R13: 00007fffb8ed4830 R14: 000000000000003a R15: 00007fffb8ed4830 [ 71.220015][ T89] [ 71.223042][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 71.230273][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.240357][ T6] Workqueue: usb_hub_wq hub_event [ 71.245407][ T6] Call Trace: [ 71.248694][ T6] [ 71.251636][ T6] __dump_stack+0x21/0x30 [ 71.255977][ T6] dump_stack_lvl+0x110/0x170 [ 71.260665][ T6] ? show_regs_print_info+0x20/0x20 [ 71.265268][ T30] audit: type=1400 audit(1785411091.890:134): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 71.265873][ T6] dump_stack+0x15/0x20 [ 71.289727][ T6] should_fail+0x3ab/0x500 [ 71.294255][ T6] __should_failslab+0xa4/0xe0 [ 71.299044][ T6] should_failslab+0x9/0x20 [ 71.303561][ T6] slab_pre_alloc_hook+0x39/0xd0 [ 71.308517][ T6] __kmalloc+0x6d/0x2c0 [ 71.312686][ T6] ? usb_alloc_urb+0x44/0x140 [ 71.317373][ T6] usb_alloc_urb+0x44/0x140 [ 71.321891][ T6] usb_control_msg+0x11c/0x3f0 [ 71.326691][ T6] get_bMaxPacketSize0+0xc0/0x6b0 [ 71.331738][ T6] hub_port_init+0xa60/0x2760 [ 71.336433][ T6] hub_event+0x2542/0x43f0 [ 71.340865][ T6] ? hub_post_resume+0x120/0x120 [ 71.345818][ T6] ? __kasan_check_write+0x14/0x20 [ 71.350947][ T6] ? _raw_spin_lock_irq+0x95/0xf0 [ 71.355986][ T6] ? _raw_spin_lock_irqsave+0x130/0x130 [ 71.361548][ T6] process_one_work+0x6c8/0xbb0 [ 71.366415][ T6] worker_thread+0xaa0/0x1250 [ 71.371114][ T6] kthread+0x3f5/0x4f0 [ 71.375196][ T6] ? worker_clr_flags+0x190/0x190 [ 71.380232][ T6] ? kthread_blkcg+0xd0/0xd0 [ 71.384831][ T6] ret_from_fork+0x1f/0x30 [ 71.389258][ T6] [ 71.392292][ T340] CPU: 1 PID: 340 Comm: syz.2.15 Not tainted syzkaller #0 [ 71.399427][ T340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.409493][ T340] Call Trace: [ 71.413041][ T340] [ 71.416012][ T340] __dump_stack+0x21/0x30 [ 71.420359][ T340] dump_stack_lvl+0x110/0x170 [ 71.425058][ T340] ? show_regs_print_info+0x20/0x20 [ 71.430272][ T340] ? prandom_u32+0x24d/0x290 [ 71.434893][ T340] dump_stack+0x15/0x20 [ 71.439062][ T340] should_fail+0x3ab/0x500 [ 71.443492][ T340] __should_failslab+0xa4/0xe0 [ 71.448331][ T340] should_failslab+0x9/0x20 [ 71.452850][ T340] slab_pre_alloc_hook+0x39/0xd0 [ 71.457804][ T340] ? __d_alloc+0x2d/0x690 [ 71.462149][ T340] kmem_cache_alloc+0x44/0x260 [ 71.466929][ T340] __d_alloc+0x2d/0x690 [ 71.471134][ T340] d_alloc+0x48/0x260 [ 71.475131][ T340] ? lookup_one_qstr_excl+0xb6/0x250 [ 71.480437][ T340] lookup_one_qstr_excl+0xcb/0x250 [ 71.485564][ T340] filename_create+0x23d/0x440 [ 71.490341][ T340] ? kern_path_create+0x1b0/0x1b0 [ 71.495400][ T340] do_mkdirat+0x5c/0x4d0 [ 71.499658][ T340] ? getname_flags+0x205/0x510 [ 71.504434][ T340] __x64_sys_mkdirat+0x89/0xa0 [ 71.509215][ T340] x64_sys_call+0x37e/0x9a0 [ 71.513731][ T340] do_syscall_64+0x4c/0xa0 [ 71.518158][ T340] ? clear_bhb_loop+0x50/0xa0 [ 71.522869][ T340] ? clear_bhb_loop+0x50/0xa0 [ 71.527559][ T340] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.533463][ T340] RIP: 0033:0x7fc500743e07 [ 71.537898][ T340] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.557520][ T340] RSP: 002b:00007fc4ff19de58 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 [ 71.565956][ T340] RAX: ffffffffffffffda RBX: 00007fc4ff19dee0 RCX: 00007fc500743e07 [ 71.573952][ T340] RDX: 00000000000001ff RSI: 00002000000005c0 RDI: 00000000ffffff9c [ 71.581961][ T340] RBP: 0000200000000580 R08: 0000000000000000 R09: 0000000000000000 [ 71.589952][ T340] R10: 0000000000000000 R11: 0000000000000202 R12: 00002000000005c0 [ 71.597940][ T340] R13: 00007fc4ff19dea0 R14: 000000000000056e R15: 0000200000000600 [ 71.605937][ T340] [ 71.609002][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 71.616317][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.626400][ T20] Workqueue: mld mld_ifc_work [ 71.631106][ T20] Call Trace: [ 71.634395][ T20] [ 71.637345][ T20] __dump_stack+0x21/0x30 [ 71.641685][ T20] dump_stack_lvl+0x110/0x170 [ 71.646371][ T20] ? show_regs_print_info+0x20/0x20 [ 71.651586][ T20] dump_stack+0x15/0x20 [ 71.655761][ T20] should_fail+0x3ab/0x500 [ 71.660274][ T20] __should_failslab+0xa4/0xe0 [ 71.665055][ T20] should_failslab+0x9/0x20 [ 71.669574][ T20] slab_pre_alloc_hook+0x39/0xd0 [ 71.674522][ T20] ? __alloc_skb+0xe4/0x730 [ 71.679039][ T20] kmem_cache_alloc+0x44/0x260 [ 71.683823][ T20] __alloc_skb+0xe4/0x730 [ 71.688166][ T20] mld_newpack+0x143/0x9e0 [ 71.692593][ T20] ? mld_sendpack+0xba0/0xba0 [ 71.697284][ T20] ? __switch_to+0x56c/0x1070 [ 71.701993][ T20] add_grec+0xee8/0x1340 [ 71.706253][ T20] ? wait_for_completion_killable_timeout+0x10/0x10 [ 71.712867][ T20] ? _raw_spin_unlock+0x4d/0x70 [ 71.717729][ T20] mld_ifc_work+0x728/0xc40 [ 71.722248][ T20] ? __schedule+0xbd7/0x14a0 [ 71.726854][ T20] process_one_work+0x6c8/0xbb0 [ 71.731722][ T20] worker_thread+0xaa0/0x1250 [ 71.736421][ T20] kthread+0x3f5/0x4f0 [ 71.740507][ T20] ? worker_clr_flags+0x190/0x190 [ 71.745576][ T20] ? kthread_blkcg+0xd0/0xd0 [ 71.750177][ T20] ret_from_fork+0x1f/0x30 [ 71.754609][ T20] [ 71.757648][ T276] CPU: 1 PID: 276 Comm: syz-executor Not tainted syzkaller #0 [ 71.765127][ T276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.775230][ T276] Call Trace: [ 71.778522][ T276] [ 71.781462][ T276] __dump_stack+0x21/0x30 [ 71.785814][ T276] dump_stack_lvl+0x110/0x170 [ 71.790507][ T276] ? show_regs_print_info+0x20/0x20 [ 71.795719][ T276] ? prandom_u32+0x24d/0x290 [ 71.800321][ T276] dump_stack+0x15/0x20 [ 71.804489][ T276] should_fail+0x3ab/0x500 [ 71.808919][ T276] __should_failslab+0xa4/0xe0 [ 71.813704][ T276] should_failslab+0x9/0x20 [ 71.818216][ T276] slab_pre_alloc_hook+0x39/0xd0 [ 71.823171][ T276] ? __alloc_file+0x28/0x2a0 [ 71.827774][ T276] kmem_cache_alloc+0x44/0x260 [ 71.832550][ T276] __alloc_file+0x28/0x2a0 [ 71.836975][ T276] alloc_empty_file+0x97/0x180 [ 71.841776][ T276] alloc_file+0x59/0x580 [ 71.846029][ T276] alloc_file_clone+0x28/0xb0 [ 71.850721][ T276] create_pipe_files+0x3e7/0x6c0 [ 71.855675][ T276] __do_pipe_flags+0x4f/0x200 [ 71.860369][ T276] do_pipe2+0xa7/0x190 [ 71.864447][ T276] ? pipe_fcntl+0x510/0x510 [ 71.868964][ T276] ? __ia32_sys_read+0x90/0x90 [ 71.873826][ T276] ? debug_smp_processor_id+0x17/0x20 [ 71.879210][ T276] __x64_sys_pipe2+0x5a/0x70 [ 71.883817][ T276] x64_sys_call+0x354/0x9a0 [ 71.888331][ T276] do_syscall_64+0x4c/0xa0 [ 71.892757][ T276] ? clear_bhb_loop+0x50/0xa0 [ 71.897444][ T276] ? clear_bhb_loop+0x50/0xa0 [ 71.902136][ T276] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.908048][ T276] RIP: 0033:0x7f0b51d9efc9 [ 71.912488][ T276] 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 [ 71.932123][ T276] RSP: 002b:00007ffd9f8cdea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 71.940570][ T276] RAX: ffffffffffffffda RBX: 0000555555c087e0 RCX: 00007f0b51d9efc9 [ 71.948608][ T276] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 00007ffd9f8cdec8 [ 71.956613][ T276] RBP: 00007ffd9f8ce490 R08: 00000000000001c0 R09: 0000000000000000 [ 71.964604][ T276] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd9f8ce2d0 [ 71.973801][ T276] R13: 0000555555c09ab0 R14: 0000555555c09160 R15: 00007ffd9f8ce010 [ 71.981875][ T276] [ 71.984910][ T339] CPU: 0 PID: 339 Comm: syz.2.15 Not tainted syzkaller #0 [ 71.992058][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 72.003069][ T339] Call Trace: [ 72.006465][ T339] [ 72.009419][ T339] __dump_stack+0x21/0x30 [ 72.013785][ T339] dump_stack_lvl+0x110/0x170 [ 72.018484][ T339] ? show_regs_print_info+0x20/0x20 [ 72.023694][ T339] ? prandom_u32+0x24d/0x290 [ 72.028294][ T339] dump_stack+0x15/0x20 [ 72.032462][ T339] should_fail+0x3ab/0x500 [ 72.036897][ T339] __should_failslab+0xa4/0xe0 [ 72.041676][ T339] should_failslab+0x9/0x20 [ 72.046191][ T339] slab_pre_alloc_hook+0x39/0xd0 [ 72.052211][ T339] ? vm_area_dup+0x26/0x210 [ 72.056745][ T339] kmem_cache_alloc+0x44/0x260 [ 72.061546][ T339] vm_area_dup+0x26/0x210 [ 72.065905][ T339] __split_vma+0xac/0x3e0 [ 72.070400][ T339] split_vma+0x7c/0xd0 [ 72.074487][ T339] mprotect_fixup+0x496/0x7d0 [ 72.079182][ T339] ? change_protection+0x1510/0x1510 [ 72.084480][ T339] ? security_file_mprotect+0x84/0xa0 [ 72.089868][ T339] do_mprotect_pkey+0x72c/0xad0 [ 72.094850][ T339] ? prot_none_test+0x10/0x10 [ 72.099963][ T339] ? debug_smp_processor_id+0x17/0x20 SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 72.105377][ T339] __x64_sys_mprotect+0x80/0x90 [ 72.110260][ T339] x64_sys_call+0x912/0x9a0 [ 72.114780][ T339] do_syscall_64+0x4c/0xa0 [ 72.117811][ T30] audit: type=1400 audit(1785411092.750:135): avc: denied { write } for pid=276 comm="syz-executor" path="pipe:[14033]" dev="pipefs" ino=14033 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 72.119563][ T339] ? clear_bhb_loop+0x50/0xa0 [ 72.147457][ T339] ? clear_bhb_loop+0x50/0xa0 [ 72.152189][ T339] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.158127][ T339] RIP: 0033:0x7fc500744d97 [ 72.162584][ T339] Code: 89 38 eb 84 0f 1f 80 00 00 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 7a ff ff ff b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 72.182833][ T339] RSP: 002b:00007ffee6721f18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 72.191275][ T339] RAX: ffffffffffffffda RBX: 00007fc4ff15c6c0 RCX: 00007fc500744d97 [ 72.199645][ T339] RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fc4ff13d000 [ 72.207645][ T339] RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 [ 72.215647][ T339] R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffee6722070 [ 72.223639][ T339] R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 [ 72.231635][ T339] [ 72.234670][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 72.235241][ T6] usb 4-1: device descriptor read/64, error -32 [ 72.241716][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 72.258054][ T2] Call Trace: [ 72.261360][ T2] [ 72.264305][ T2] __dump_stack+0x21/0x30 [ 72.268646][ T2] dump_stack_lvl+0x110/0x170 [ 72.273365][ T2] ? show_regs_print_info+0x20/0x20 [ 72.278612][ T2] ? prandom_u32+0x24d/0x290 [ 72.283296][ T2] dump_stack+0x15/0x20 [ 72.287607][ T2] should_fail+0x3ab/0x500 [ 72.292043][ T2] __should_failslab+0xa4/0xe0 [ 72.296821][ T2] should_failslab+0x9/0x20 [ 72.301340][ T2] slab_pre_alloc_hook+0x39/0xd0 [ 72.306295][ T2] ? alloc_vmap_area+0x643/0x1a70 [ 72.311344][ T2] kmem_cache_alloc+0x44/0x260 [ 72.316133][ T2] alloc_vmap_area+0x643/0x1a70 [ 72.321029][ T2] ? vm_map_ram+0xa70/0xa70 [ 72.325657][ T2] ? kmem_cache_alloc_trace+0x119/0x270 [ 72.331233][ T2] ? __get_vm_area_node+0x11d/0x350 [ 72.336461][ T2] __get_vm_area_node+0x14e/0x350 [ 72.341518][ T2] __vmalloc_node_range+0xe8/0xad0 [ 72.346651][ T2] ? copy_process+0x5e0/0x3280 [ 72.351443][ T2] ? slab_post_alloc_hook+0x6d/0x2b0 [ 72.356884][ T2] ? kmem_cache_alloc+0xf7/0x260 [ 72.361847][ T2] dup_task_struct+0x41e/0xc50 [ 72.366630][ T2] ? copy_process+0x5e0/0x3280 [ 72.371415][ T2] copy_process+0x5e0/0x3280 [ 72.376028][ T2] ? update_load_avg+0x442/0x1110 [ 72.381080][ T2] ? __pidfd_prepare+0x150/0x150 [ 72.386038][ T2] ? __switch_to+0x56c/0x1070 [ 72.390737][ T2] kernel_clone+0x233/0x960 [ 72.395260][ T2] ? create_io_thread+0x170/0x170 [ 72.400317][ T2] ? finish_task_switch+0x16b/0x790 [ 72.405532][ T2] ? switch_mm_irqs_off+0x32d/0x960 [ 72.410852][ T2] ? kthread_blkcg+0xd0/0xd0 [ 72.415459][ T2] kernel_thread+0xfe/0x170 [ 72.419990][ T2] ? ptrace_event_pid+0x180/0x180 [ 72.425035][ T2] ? kthread_blkcg+0xd0/0xd0 [ 72.429644][ T2] ? _raw_spin_trylock_bh+0x150/0x150 [ 72.435039][ T2] ? __kasan_check_read+0x11/0x20 [ 72.440081][ T2] kthreadd+0x346/0x480 [ 72.444252][ T2] ? tokenize_frame_descr+0x93/0xc0 [ 72.449475][ T2] ? kthread_stop+0x3e0/0x3e0 [ 72.454171][ T2] ? _raw_spin_unlock_irq+0x4e/0x70 [ 72.459382][ T2] ? calculate_sigpending+0x7c/0x90 [ 72.464595][ T2] ? kthread_stop+0x3e0/0x3e0 [ 72.469290][ T2] ret_from_fork+0x1f/0x30 [ 72.473726][ T2] [ 72.479235][ T194] CPU: 1 PID: 194 Comm: dhcpcd Not tainted syzkaller #0 [ 72.486251][ T194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 72.496342][ T194] Call Trace: [ 72.499645][ T194] [ 72.502594][ T194] __dump_stack+0x21/0x30 [ 72.506947][ T194] dump_stack_lvl+0x110/0x170 [ 72.511651][ T194] ? show_regs_print_info+0x20/0x20 [ 72.516870][ T194] ? prandom_u32+0x24d/0x290 [ 72.521492][ T194] dump_stack+0x15/0x20 [ 72.525675][ T194] should_fail+0x3ab/0x500 [ 72.530109][ T194] ? alloc_skb_with_frags+0xa8/0x620 [ 72.535408][ T194] __should_failslab+0xa4/0xe0 [ 72.540202][ T194] should_failslab+0x9/0x20 [ 72.544733][ T194] slab_pre_alloc_hook+0x39/0xd0 [ 72.545236][ T6] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 72.549692][ T194] ? alloc_skb_with_frags+0xa8/0x620 [ 72.562434][ T194] ? alloc_skb_with_frags+0xa8/0x620 [ 72.567754][ T194] __kmalloc_track_caller+0x6c/0x2c0 [ 72.573082][ T194] ? alloc_skb_with_frags+0xa8/0x620 [ 72.578395][ T194] ? alloc_skb_with_frags+0xa8/0x620 [ 72.584170][ T194] __alloc_skb+0x210/0x730 [ 72.588615][ T194] alloc_skb_with_frags+0xa8/0x620 [ 72.593749][ T194] ? __kernel_text_address+0xa0/0x100 [ 72.599143][ T194] ? unwind_get_return_address+0x4d/0x90 [ 72.604801][ T194] ? stack_trace_save+0xf0/0xf0 [ 72.609693][ T194] sock_alloc_send_pskb+0x87f/0x9a0 [ 72.614926][ T194] ? sock_kzfree_s+0x60/0x60 [ 72.619538][ T194] ? avc_has_perm_noaudit+0x30a/0x490 [ 72.624945][ T194] ? kasan_set_track+0x5b/0x70 [ 72.629735][ T194] packet_sendmsg+0x337f/0x5060 [ 72.634784][ T194] ? avc_has_perm_noaudit+0x490/0x490 [ 72.640194][ T194] ? selinux_socket_sendmsg+0x22f/0x340 [ 72.645788][ T194] ? selinux_socket_accept+0x570/0x570 [ 72.651284][ T194] ? avc_denied+0x1b0/0x1b0 [ 72.655827][ T194] ? __kasan_slab_free+0x11/0x20 [ 72.660799][ T194] ? packet_getsockopt+0x900/0x900 [ 72.665942][ T194] ? kfree_skbmem+0x10c/0x180 [ 72.670664][ T194] ? security_socket_sendmsg+0x82/0xa0 [ 72.676151][ T194] sock_write_iter+0x2a6/0x3a0 [ 72.680941][ T194] ? sock_read_iter+0x380/0x380 [ 72.685804][ T194] ? file_has_perm+0x52d/0x700 [ 72.690684][ T194] do_iter_readv_writev+0x477/0x5f0 [ 72.695913][ T194] ? generic_file_rw_checks+0x2a0/0x2a0 [ 72.701544][ T194] ? fsnotify_perm+0x67/0x5b0 [ 72.706251][ T194] ? security_file_permission+0x79/0xa0 [ 72.711948][ T194] ? security_file_permission+0x83/0xa0 [ 72.717522][ T194] do_iter_write+0x207/0x7b0 [ 72.722142][ T194] vfs_writev+0x2df/0x570 [ 72.726503][ T194] ? do_writev+0x2c0/0x2c0 [ 72.730941][ T194] ? vfs_read+0x9b8/0xc20 [ 72.735294][ T194] ? __kasan_check_read+0x11/0x20 [ 72.740345][ T194] ? __fdget_pos+0x1f7/0x380 [ 72.744946][ T194] do_writev+0x14e/0x2c0 [ 72.749210][ T194] ? do_readv+0x450/0x450 [ 72.753565][ T194] ? __secure_computing+0xea/0x290 [ 72.758699][ T194] __x64_sys_writev+0x7d/0x90 [ 72.763405][ T194] x64_sys_call+0x974/0x9a0 [ 72.767947][ T194] do_syscall_64+0x4c/0xa0 [ 72.772385][ T194] ? clear_bhb_loop+0x50/0xa0 [ 72.777081][ T194] ? clear_bhb_loop+0x50/0xa0 [ 72.781768][ T194] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.787670][ T194] RIP: 0033:0x7f813afe4407 [ 72.792124][ T194] 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 [ 72.811744][ T194] RSP: 002b:00007ffc3fa32da0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 72.820172][ T194] RAX: ffffffffffffffda RBX: 00007f813af5a740 RCX: 00007f813afe4407 [ 72.828158][ T194] RDX: 0000000000000002 RSI: 00007ffc3fa32e00 RDI: 0000000000000003 [ 72.836141][ T194] RBP: 0000000000000188 R08: 0000000000000000 R09: 0000000000000000 [ 72.844127][ T194] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3fa32e40 [ 72.852107][ T194] R13: 000055fb08f06f20 R14: 00007ffc3fa32e90 R15: 00007ffc3fa43060 [ 72.860096][ T194] [ 72.863166][ T6] usb 4-1: device descriptor read/64, error -32 [ 72.869517][ T335] CPU: 0 PID: 335 Comm: udevd Not tainted syzkaller #0 [ 72.876397][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 72.886478][ T335] Call Trace: [ 72.889770][ T335] [ 72.892712][ T335] __dump_stack+0x21/0x30 [ 72.897063][ T335] dump_stack_lvl+0x110/0x170 [ 72.901753][ T335] ? show_regs_print_info+0x20/0x20 [ 72.906959][ T335] ? prandom_u32+0x24d/0x290 [ 72.911563][ T335] dump_stack+0x15/0x20 [ 72.915731][ T335] should_fail+0x3ab/0x500 [ 72.920165][ T335] __should_failslab+0xa4/0xe0 [ 72.924944][ T335] should_failslab+0x9/0x20 [ 72.929544][ T335] slab_pre_alloc_hook+0x39/0xd0 [ 72.934617][ T335] kmem_cache_alloc_trace+0x48/0x270 [ 72.939926][ T335] ? uevent_show+0x15d/0x340 [ 72.944530][ T335] uevent_show+0x15d/0x340 [ 72.948959][ T335] dev_attr_show+0x56/0xd0 [ 72.953391][ T335] ? device_get_ownership+0xa0/0xa0 [ 72.958601][ T335] sysfs_kf_seq_show+0x266/0x3d0 [ 72.963553][ T335] kernfs_seq_show+0x119/0x160 [ 72.968332][ T335] seq_read_iter+0x472/0xce0 [ 72.972935][ T335] kernfs_fop_read_iter+0x146/0x460 [ 72.978147][ T335] vfs_read+0x6c0/0xc20 [ 72.982316][ T335] ? kernel_read+0x1f0/0x1f0 [ 72.986926][ T335] ? __kasan_check_read+0x11/0x20 [ 72.991967][ T335] ? __fdget_pos+0x2d9/0x380 [ 72.996568][ T335] ksys_read+0x14a/0x260 [ 73.000820][ T335] ? vfs_write+0xfd0/0xfd0 [ 73.005247][ T335] ? debug_smp_processor_id+0x17/0x20 [ 73.010630][ T335] __x64_sys_read+0x7b/0x90 [ 73.015144][ T335] x64_sys_call+0x96d/0x9a0 [ 73.019657][ T335] do_syscall_64+0x4c/0xa0 [ 73.024086][ T335] ? clear_bhb_loop+0x50/0xa0 [ 73.028774][ T335] ? clear_bhb_loop+0x50/0xa0 [ 73.033466][ T335] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.041722][ T335] RIP: 0033:0x7f42e68ef407 [ 73.049350][ T335] 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 [ 73.075861][ T335] RSP: 002b:00007fff7dace0c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 73.085358][ T335] RAX: ffffffffffffffda RBX: 00007f42e6801880 RCX: 00007f42e68ef407 [ 73.093358][ T335] RDX: 0000000000001000 RSI: 000055d99bf3e210 RDI: 0000000000000009 [ 73.101349][ T335] RBP: 00007f42e6a37ff0 R08: 0000000000000000 R09: 0000000000000000 [ 73.109349][ T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a [ 73.117349][ T335] R13: 00007f42e6a37ea0 R14: 0000000000000000 R15: 000055d99bf47e80 [ 73.125369][ T335] [ 73.128401][ T1] CPU: 1 PID: 1 Comm: init Not tainted syzkaller #0 [ 73.135047][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.145133][ T1] Call Trace: [ 73.148429][ T1] [ 73.151380][ T1] __dump_stack+0x21/0x30 [ 73.155853][ T1] dump_stack_lvl+0x110/0x170 [ 73.160573][ T1] ? show_regs_print_info+0x20/0x20 [ 73.165810][ T1] ? prandom_u32+0x24d/0x290 [ 73.170434][ T1] dump_stack+0x15/0x20 [ 73.174785][ T1] should_fail+0x3ab/0x500 [ 73.179217][ T1] __should_failslab+0xa4/0xe0 [ 73.183994][ T1] should_failslab+0x9/0x20 [ 73.188520][ T1] slab_pre_alloc_hook+0x39/0xd0 [ 73.193481][ T1] ? posix_lock_inode+0x3a5/0x26a0 [ 73.198620][ T1] kmem_cache_alloc+0x44/0x260 [ 73.203415][ T1] posix_lock_inode+0x3a5/0x26a0 [ 73.208377][ T1] ? match_file+0x130/0x130 [ 73.212906][ T1] ? posix_lock_file+0x50/0x50 [ 73.217699][ T1] ? security_file_lock+0x79/0xa0 [ 73.222785][ T1] fcntl_setlk+0xa2a/0x1070 [ 73.227332][ T1] ? vfs_lock_file+0xc0/0xc0 [ 73.231971][ T1] ? avc_has_perm_noaudit+0x490/0x490 [ 73.237452][ T1] ? __kasan_check_write+0x14/0x20 [ 73.242591][ T1] ? _copy_from_user+0x95/0xd0 [ 73.247379][ T1] do_fcntl+0x498/0x1220 [ 73.251648][ T1] ? match_file+0x130/0x130 [ 73.256165][ T1] ? kill_fasync+0x210/0x210 [ 73.260783][ T1] ? security_file_fcntl+0x84/0xa0 [ 73.265921][ T1] __se_sys_fcntl+0xdf/0x1b0 [ 73.270547][ T1] ? debug_smp_processor_id+0x17/0x20 [ 73.275935][ T1] __x64_sys_fcntl+0x7b/0x90 [ 73.280550][ T1] x64_sys_call+0x6b8/0x9a0 [ 73.285076][ T1] do_syscall_64+0x4c/0xa0 [ 73.289807][ T1] ? clear_bhb_loop+0x50/0xa0 [ 73.294506][ T1] ? clear_bhb_loop+0x50/0xa0 [ 73.299228][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.305143][ T1] RIP: 0033:0x7f5422978add [ 73.309578][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 73.329304][ T1] RSP: 002b:00007fffd4676128 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 73.337733][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5422978add [ 73.345816][ T1] RDX: 00007fffd4676130 RSI: 0000000000000007 RDI: 0000000000000003 [ 73.353808][ T1] RBP: 0000000000000003 R08: 00007fffd4676150 R09: 0000000000000000 [ 73.361803][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 73.369829][ T1] R13: 00007fffd4676150 R14: 0000000000000002 R15: 000055c28c492d98 [ 73.377832][ T1] [ 73.396604][ T278] tipc: Node number set to 2886997039 [ 73.404381][ T323] CPU: 0 PID: 323 Comm: syz.3.4 Not tainted syzkaller #0 [ 73.411452][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.421617][ T323] Call Trace: [ 73.424910][ T323] [ 73.427942][ T323] __dump_stack+0x21/0x30 [ 73.432315][ T323] dump_stack_lvl+0x110/0x170 [ 73.437026][ T323] ? show_regs_print_info+0x20/0x20 [ 73.442236][ T323] ? prandom_u32+0x24d/0x290 [ 73.446834][ T323] dump_stack+0x15/0x20 [ 73.450997][ T323] should_fail+0x3ab/0x500 [ 73.455423][ T323] __should_failslab+0xa4/0xe0 [ 73.460197][ T323] should_failslab+0x9/0x20 [ 73.464729][ T323] slab_pre_alloc_hook+0x39/0xd0 [ 73.469679][ T323] ? alloc_pid+0x99/0xae0 [ 73.474018][ T323] kmem_cache_alloc+0x44/0x260 [ 73.478796][ T323] ? copy_thread+0x37c/0x770 [ 73.483411][ T323] alloc_pid+0x99/0xae0 [ 73.487579][ T323] ? copy_thread+0x46c/0x770 [ 73.492178][ T323] copy_process+0x138d/0x3280 [ 73.496962][ T323] ? __pidfd_prepare+0x150/0x150 [ 73.501936][ T323] ? copy_clone_args_from_user+0x5fb/0x6d0 [ 73.507752][ T323] kernel_clone+0x233/0x960 [ 73.512270][ T323] ? __delayed_free_task+0x20/0x20 [ 73.517387][ T323] ? create_io_thread+0x170/0x170 [ 73.522423][ T323] __x64_sys_clone3+0x2da/0x370 [ 73.527282][ T323] ? __kasan_check_write+0x14/0x20 [ 73.532426][ T323] ? __ia32_sys_clone+0x200/0x200 [ 73.537463][ T323] ? __se_sys_rt_sigprocmask+0x233/0x290 [ 73.543111][ T323] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 73.549190][ T323] x64_sys_call+0x53e/0x9a0 [ 73.553700][ T323] do_syscall_64+0x4c/0xa0 [ 73.558211][ T323] ? clear_bhb_loop+0x50/0xa0 [ 73.562900][ T323] ? clear_bhb_loop+0x50/0xa0 [ 73.567588][ T323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.573492][ T323] RIP: 0033:0x7f7a72370d89 [ 73.577918][ T323] Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 [ 73.597878][ T323] RSP: 002b:00007ffe56b396c8 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 [ 73.606307][ T323] RAX: ffffffffffffffda RBX: 00007f7a7232c320 RCX: 00007f7a72370d89 [ 73.614294][ T323] RDX: 00007f7a7232c320 RSI: 0000000000000058 RDI: 00007ffe56b39720 [ 73.622281][ T323] RBP: 00007f7a70da86c0 R08: 00007f7a70da86c0 R09: 00007ffe56b39807 [ 73.630267][ T323] R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8 [ 73.638253][ T323] R13: 000000000000006e R14: 00007ffe56b39720 R15: 00007ffe56b39808 [ 73.646241][ T323] [ 73.649305][ T286] CPU: 1 PID: 286 Comm: syz-executor Not tainted syzkaller #0 [ 73.650252][ T6] usb 4-1: device descriptor read/64, error -32 [ 73.656788][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.656803][ T286] Call Trace: [ 73.656809][ T286] [ 73.656817][ T286] __dump_stack+0x21/0x30 [ 73.656845][ T286] dump_stack_lvl+0x110/0x170 [ 73.656863][ T286] ? show_regs_print_info+0x20/0x20 [ 73.656883][ T286] dump_stack+0x15/0x20 [ 73.656900][ T286] should_fail+0x3ab/0x500 [ 73.656920][ T286] __should_failslab+0xa4/0xe0 [ 73.656942][ T286] should_failslab+0x9/0x20 [ 73.656961][ T286] slab_pre_alloc_hook+0x39/0xd0 [ 73.656984][ T286] ? getname_flags+0xba/0x510 [ 73.657004][ T286] kmem_cache_alloc+0x44/0x260 [ 73.657027][ T286] getname_flags+0xba/0x510 [ 73.657045][ T286] getname+0x19/0x20 [ 73.734408][ T286] do_sys_openat2+0xeb/0x7f0 [ 73.739031][ T286] ? timespec64_add_safe+0x1f0/0x1f0 [ 73.744346][ T286] ? do_sys_open+0xe0/0xe0 [ 73.748794][ T286] ? __se_sys_clock_nanosleep+0x30b/0x3a0 [ 73.754554][ T286] __x64_sys_openat+0x136/0x160 [ 73.759428][ T286] x64_sys_call+0x219/0x9a0 [ 73.763958][ T286] do_syscall_64+0x4c/0xa0 [ 73.768396][ T286] ? clear_bhb_loop+0x50/0xa0 [ 73.773130][ T286] ? clear_bhb_loop+0x50/0xa0 [ 73.777840][ T286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.783759][ T286] RIP: 0033:0x7f7a7236f2bc [ 73.788305][ T286] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 73.805407][ T6] usb usb4-port1: attempt power cycle [ 73.807938][ T286] RSP: 002b:00007ffe56b39b00 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 73.821748][ T286] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a7236f2bc [ 73.829748][ T286] RDX: 0000000000090800 RSI: 00007f7a72406806 RDI: 00000000ffffff9c [ 73.837754][ T286] RBP: 00007ffe56b39bac R08: 0000000000000000 R09: 0000000000000000 [ 73.845759][ T286] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 73.853756][ T286] R13: 0000000000000000 R14: 0000000000006195 R15: 00007ffe56b39c00 [ 73.861798][ T286] [ 74.315934][ T45] device bridge_slave_1 left promiscuous mode [ 74.322076][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.329748][ T45] device bridge_slave_0 left promiscuous mode [ 74.335991][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.343806][ T45] device veth1_macvtap left promiscuous mode [ 74.350085][ T45] device veth0_vlan left promiscuous mode [ 74.828961][ T45] tipc: Disabling bearer [ 74.834450][ T45] tipc: Left network mode [ 75.536510][ T45] device bridge_slave_1 left promiscuous mode [ 75.542657][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.550269][ T45] device bridge_slave_0 left promiscuous mode [ 75.556548][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.564347][ T45] device bridge_slave_1 left promiscuous mode [ 75.570557][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.578123][ T45] device bridge_slave_0 left promiscuous mode [ 75.584240][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.592235][ T45] device bridge_slave_1 left promiscuous mode [ 75.598472][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.606088][ T45] device bridge_slave_0 left promiscuous mode [ 75.612216][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.620212][ T45] device bridge_slave_1 left promiscuous mode [ 75.626488][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.635505][ T45] device bridge_slave_0 left promiscuous mode [ 75.641623][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.650334][ T45] device veth1_macvtap left promiscuous mode [ 75.656386][ T45] device veth0_vlan left promiscuous mode [ 75.662691][ T45] device veth1_macvtap left promiscuous mode [ 75.668810][ T45] device veth0_vlan left promiscuous mode [ 75.674848][ T45] device veth1_macvtap left promiscuous mode [ 75.680900][ T45] device veth0_vlan left promiscuous mode [ 75.687134][ T45] device veth1_macvtap left promiscuous mode [ 75.694024][ T45] device veth0_vlan left promiscuous mode