last executing test programs: 37.41910282s ago: executing program 0 (id=1): openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_type(r0, &(0x7f0000000100), 0x2, 0x0) write$cgroup_type(r1, &(0x7f0000000280), 0x9) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='cgroup.threads\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000c40), 0x12) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r4 = syz_clone(0x1022000, 0x0, 0xfffffffffffffc76, 0x0, 0x0, 0x0) r5 = openat$cgroup_ro(r3, &(0x7f0000000040)='cgroup.freeze\x00', 0x275a, 0x0) write$cgroup_int(r5, &(0x7f0000000200)=0x1, 0x12) mkdir(&(0x7f0000000000)='./cgroup/../file0\x00', 0x0) r6 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r7 = openat$cgroup_procs(r6, &(0x7f0000000180)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r7, &(0x7f0000000080)=r4, 0x12) 37.39326257s ago: executing program 1 (id=2): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x97, 0xff, 0x82, 0x8, 0x2058, 0x1005, 0xc19b, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x8f, 0x0, 0x0, 0xbf, 0x57, 0x5a}}]}}]}}, 0x0) mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='sysfs\x00', &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/devices/0000:00:07.0/vendor\x00', 0x0, 0x0) read(r0, &(0x7f0000001000)=""/7, 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./sys/bus/pci/devices/0000:00:07.0/device\x00', 0x0, 0x0) read(r1, &(0x7f0000001007)=""/6, 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/bus/pci/drivers/net2280/new_id\x00', 0x1, 0x0) write(r2, &(0x7f0000001000)='\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00', 0xd) 37.355882431s ago: executing program 3 (id=4): r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/profiling', 0x1, 0x0) write(r0, &(0x7f0000000080)='0000:00:10.0\x00', 0xd) 36.553471411s ago: executing program 0 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='tracefs\x00', &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='bRequestType=0 bRequest=6 wValue=12544 wIndex=0 wLength=0\x00', 0x3a) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./trace/trace\x00', 0x0, 0x0) read(r1, &(0x7f0000000180), 0x1000) 36.539770631s ago: executing program 3 (id=6): r0 = openat$kvm(0x0, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_CLOCK(r1, 0x4030ae7b, &(0x7f0000000000)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 36.401517204s ago: executing program 3 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) mount(&(0x7f0000000040)=@filename='none\x00', 0x0, &(0x7f0000000400)='proc\x00', 0x0, 0x0) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={0x0, 0xb8}}, 0x20040014) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@updpolicy={0xb8, 0x13, 0x2, 0x0, 0x25dfdbfe, {{@in6=@private0, @in=@dev={0xac, 0x14, 0x14, 0x12}, 0x0, 0x4, 0x0, 0x0, 0xa, 0x60, 0x20, 0x3b, 0x0, 0xee01}, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, {0xfffffffffffffffe, 0x4, 0x8}, 0x9, 0x0, 0x0, 0x0, 0x2}}, 0xb8}, 0x1, 0x0, 0x0, 0x80}, 0x44844) r5 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="b80000001300e9"], 0xb8}}, 0x0) r6 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@updpolicy={0xb8, 0x13, 0xcb23c9c9931e99e9, 0x0, 0x25dfdbfc, {{@in6=@private0, @in=@initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0xa, 0x40, 0x20, 0x0, 0x0, 0xee01}, {0x0, 0x0, 0xaa3, 0xfffffffffffffff8, 0x4}, {0x0, 0x8}}}, 0xb8}}, 0x0) r7 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/self/fail-nth\x00', 0x1, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r8, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r9, 0x409, 0x70bd25, 0x25dfdbfc, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x10) write(r7, &(0x7f0000000300)='3\x00', 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r4, 0xc040aed4, &(0x7f0000000340)={0x1000}) socket$nl_netfilter(0x10, 0x3, 0xc) 36.322221056s ago: executing program 0 (id=8): syz_usb_connect(0x0, 0x2d, &(0x7f00000012c0)=ANY=[@ANYBLOB="120100001ddf8208c00712152230000000010902"], 0x0) mkdir(&(0x7f0000000100)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/usb/devices\x00', 0x0, 0x0) read(r0, &(0x7f0000000500)=""/4096, 0x1000) 35.060477356s ago: executing program 1 (id=9): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/smt/control\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='off\n\x00', 0x4) write(r0, &(0x7f0000000180)='on\n\x00', 0x3) 34.90544833s ago: executing program 0 (id=10): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='tracefs\x00', &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='bRequestType=0 bRequest=6 wValue=0 wIndex=0 wLength=0\x00', 0x36) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./trace/trace\x00', 0x0, 0x0) read(r1, &(0x7f0000000180), 0x1000) 34.777685463s ago: executing program 32 (id=10): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='tracefs\x00', &(0x7f0000000000)='./trace\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./trace/events/dwc3/dwc3_ctrl_req/inject\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='bRequestType=0 bRequest=6 wValue=0 wIndex=0 wLength=0\x00', 0x36) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./trace/trace\x00', 0x0, 0x0) read(r1, &(0x7f0000000180), 0x1000) 34.262585435s ago: executing program 1 (id=13): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='dir0/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) sched_setaffinity(0x0, 0x0, 0x0) write(r0, &(0x7f0000000240)="62f5ff6ccf3d2ec97f0e4bc8a900d2e75067a5109d749cdf1ba00926335fdca4d6df9c6093533dbe86131af765f8be39df30e3e4f257006bf1826c92170c0a26ce80475f68f75b32e6a4162b71346c60b364c35e95e36d99ec09f2", 0x5b) read(r1, &(0x7f0000000b00), 0x64) 34.135005099s ago: executing program 33 (id=13): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='dir0/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) sched_setaffinity(0x0, 0x0, 0x0) write(r0, &(0x7f0000000240)="62f5ff6ccf3d2ec97f0e4bc8a900d2e75067a5109d749cdf1ba00926335fdca4d6df9c6093533dbe86131af765f8be39df30e3e4f257006bf1826c92170c0a26ce80475f68f75b32e6a4162b71346c60b364c35e95e36d99ec09f2", 0x5b) read(r1, &(0x7f0000000b00), 0x64) 23.30435661s ago: executing program 3 (id=15): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/usbip-host/match_busid\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='add 1-1\x00', 0x8) write(r0, &(0x7f0000000180)='add 2-1\x00', 0x8) write(r0, &(0x7f00000001c0)='add 3-1\x00', 0x8) write(r0, &(0x7f0000000200)='add 4-1\x00', 0x8) write(r0, &(0x7f0000000240)='add 5-1\x00', 0x8) write(r0, &(0x7f0000000280)='add 6-1\x00', 0x8) write(r0, &(0x7f00000002c0)='add 7-1\x00', 0x8) write(r0, &(0x7f0000000300)='add 8-1\x00', 0x8) write(r0, &(0x7f0000000340)='add 1-2\x00', 0x8) write(r0, &(0x7f0000000380)='add 2-2\x00', 0x8) write(r0, &(0x7f00000003c0)='add 3-2\x00', 0x8) write(r0, &(0x7f0000000400)='add 4-2\x00', 0x8) write(r0, &(0x7f0000000440)='add 5-2\x00', 0x8) write(r0, &(0x7f0000000480)='add 6-2\x00', 0x8) write(r0, &(0x7f00000004c0)='add 7-2\x00', 0x8) write(r0, &(0x7f0000000500)='add 8-2\x00', 0x8) syz_usb_connect(0x0, 0x36, &(0x7f0000000540)=ANY=[@ANYBLOB="1201000029be0008110700096ffa010203010902240001000000000904970002ffffff000905041020000637460905de24"], 0x0) nanosleep(&(0x7f0000000580)={0x1}, 0x0) 23.196168152s ago: executing program 2 (id=18): mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(&(0x7f0000000000)=@filename='sysfs\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/nd/drivers/nd_pmem/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='namespace0.0\x00', 0xc) 23.166960173s ago: executing program 2 (id=19): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) syz_usb_connect(0x0, 0x24, &(0x7f0000000b00)=ANY=[@ANYBLOB="12010002000000406a0800010100000000010902120001010080320904000000ff000000"], 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x1dcd6500}, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/class/firmware/emi26!loader.fw/loading\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='1\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/class/firmware/emi26!loader.fw/data\x00', 0x1, 0x0) write(r1, &(0x7f0000000800)='\x00\x00\x00\x00\x00\x00', 0x6) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./sys/class/firmware/emi26!loader.fw/loading\x00', 0x1, 0x0) write(r2, &(0x7f0000000a00)='0\x00', 0x2) close(r2) 22.243255475s ago: executing program 5 (id=14): r0 = syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000340)={0x24, 0x0, &(0x7f0000000180)={0x0, 0x3, 0x2, @string={0x2}}, 0x0, 0x0}, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) r1 = syz_open_dev$usbfs(&(0x7f0000000180), 0x10000001d, 0x8041) ioctl$USBDEVFS_IOCTL(r1, 0xc0105512, &(0x7f0000000200)=@usbdevfs_connect) 22.191758466s ago: executing program 4 (id=20): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) 22.127474887s ago: executing program 4 (id=21): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000400a1150120000010200010902200001010080320904000002000000000705810240000007050202400000"], 0x0) nanosleep(&(0x7f0000000300)={0x2}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ed) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/usb/devices/2-1/power/control\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='auto\x00', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/usb/devices/2-1/power/autosuspend_delay_ms\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0\x00', 0x1) nanosleep(&(0x7f0000000300)={0x1}, 0x0) write(r0, &(0x7f0000000300)='on\x00', 0x2) 21.350280697s ago: executing program 2 (id=22): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) write(0xffffffffffffffff, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 21.350121046s ago: executing program 2 (id=23): r0 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r0, &(0x7f0000000480)='10485760', 0x8) close(r0) 21.349831757s ago: executing program 2 (id=24): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) mount(&(0x7f0000000040)=@filename='none\x00', 0x0, &(0x7f0000000400)='proc\x00', 0x0, 0x0) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={0x0, 0xb8}}, 0x20040014) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@updpolicy={0xb8, 0x13, 0x2, 0x0, 0x25dfdbfe, {{@in6=@private0, @in=@dev={0xac, 0x14, 0x14, 0x12}, 0x0, 0x4, 0x0, 0x0, 0xa, 0x60, 0x20, 0x3b, 0x0, 0xee01}, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, {0xfffffffffffffffe, 0x4, 0x8}, 0x9, 0x0, 0x0, 0x0, 0x2}}, 0xb8}, 0x1, 0x0, 0x0, 0x80}, 0x44844) socket$nl_xfrm(0x10, 0x3, 0x6) 21.19556532s ago: executing program 2 (id=25): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r0) 20.682910073s ago: executing program 5 (id=26): mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(&(0x7f0000000000)=@filename='sysfs\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/nd/drivers/nd_pmem/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='namespace0.0\x00', 0xc) 20.638057844s ago: executing program 3 (id=27): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000001c0)='0000:00:03.0\n\x00', 0xd) 18.939362364s ago: executing program 4 (id=28): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='100\x00', 0x3) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='0\x00', 0x1) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) close(r2) openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) 5.068095468s ago: executing program 34 (id=26): mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(&(0x7f0000000000)=@filename='sysfs\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/nd/drivers/nd_pmem/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='namespace0.0\x00', 0xc) 4.640531858s ago: executing program 35 (id=27): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000001c0)='0000:00:03.0\n\x00', 0xd) 4.608186949s ago: executing program 4 (id=31): openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0xfffffe14) write$FUSE_INIT(r0, &(0x7f0000000040)={0x50, 0x0, r1, {0x7, 0x1f, 0x3, 0x8046000, 0x5, 0xffff, 0x0, 0xabe6, 0x0, 0x0, 0x80, 0x9}}, 0x50) syz_fuse_handle_req(r0, &(0x7f000000e3c0)="000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000dc4e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ba045abcd5dfc67d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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0x2000, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, &(0x7f0000004200)="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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20c01, 0x0) syz_fuse_handle_req(r0, 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0x2000, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) writev(r2, &(0x7f0000000200)=[{&(0x7f00000003c0)='n', 0xfdef}], 0x1) dup3(r0, r2, 0x6700000000000000) r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x2, 0x7fff7ffc}]}) close_range(r3, 0xffffffffffffffff, 0x200000000000000) 40.154369ms ago: executing program 4 (id=32): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/mtrr\x00', 0x2, 0x0) write(r0, &(0x7f0000000200)='base=0x20000000 size=0x20000 type=write-back\n\x00', 0x2c) write(r0, &(0x7f0000000300)='base=0x10000000 size=0x20000000 type=write-back\n\x00', 0x2e) 0s ago: executing program 4 (id=33): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) write(r4, &(0x7f0000000500)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40) kernel console output (not intermixed with test programs): _sch_direct_xmit+0x10/0x10 [ 48.999098][ T287] ? netdev_core_pick_tx+0x1ff/0x370 [ 48.999200][ T287] ? __dev_queue_xmit+0x26c/0x3780 [ 48.999287][ T287] __dev_queue_xmit+0x1611/0x3780 [ 48.999362][ T287] ? __dev_queue_xmit+0x26c/0x3780 [ 48.999442][ T287] ? __cfi___update_load_avg_cfs_rq+0x10/0x10 [ 48.999530][ T287] ? update_curr+0x51c/0x9c0 [ 48.999587][ T287] ? __cfi___dev_queue_xmit+0x10/0x10 [ 48.999664][ T287] ? update_load_avg+0x4f3/0x1980 [ 48.999740][ T287] ? __calc_delta+0x2b0/0x2b0 [ 48.999804][ T287] ? __kasan_check_read+0x15/0x20 [ 48.999866][ T287] ? selinux_ip_postroute+0x291/0xfe0 [ 48.999932][ T287] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 48.999999][ T287] ? __asan_memcpy+0x5a/0x80 [ 49.000062][ T287] ip_finish_output2+0xb82/0xfb0 [ 49.000130][ T287] ? __cfi_ip_finish_output2+0x10/0x10 [ 49.000197][ T287] ? ip_skb_dst_mtu+0x4b2/0x670 [ 49.000255][ T287] __ip_finish_output+0x17b/0x3e0 [ 49.000321][ T287] ip_finish_output+0x35/0x360 [ 49.000402][ T287] ? ip_output+0x306/0x330 [ 49.000514][ T287] ip_output+0x1a1/0x330 [ 49.000617][ T287] ? __cfi_ip_output+0x10/0x10 [ 49.000704][ T287] ? __cfi_ip_finish_output+0x10/0x10 [ 49.000792][ T287] ? ipv4_dst_check+0xfc/0x170 [ 49.000859][ T287] ? __cfi_ip_output+0x10/0x10 [ 49.000941][ T287] __ip_queue_xmit+0x134d/0x1f70 [ 49.001031][ T287] ? __kasan_check_read+0x15/0x20 [ 49.001099][ T287] ip_queue_xmit+0x51/0x70 [ 49.001187][ T287] ? __cfi_ip_queue_xmit+0x10/0x10 [ 49.001275][ T287] __tcp_transmit_skb+0x23aa/0x38f0 [ 49.001339][ T287] ? tcp_sendmsg_locked+0xcbc/0x4ac0 [ 49.001399][ T287] ? __tcp_send_ack+0x6b0/0x6b0 [ 49.001468][ T287] ? vfs_write+0x762/0xfd0 [ 49.001525][ T287] ? __x64_sys_write+0x7f/0x90 [ 49.001591][ T287] ? __kasan_check_read+0x15/0x20 [ 49.001649][ T287] ? tcp_small_queue_check+0x213/0x430 [ 49.001717][ T287] tcp_write_xmit+0x1a41/0x6d20 [ 49.001805][ T287] __tcp_push_pending_frames+0x9d/0x300 [ 49.001879][ T287] ? tcp_push+0x401/0x670 [ 49.001967][ T287] tcp_push+0x488/0x670 [ 49.002055][ T287] tcp_sendmsg_locked+0x3fce/0x4ac0 [ 49.002132][ T287] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 49.002190][ T287] ? avc_has_perm+0x155/0x240 [ 49.002266][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 49.002322][ T287] tcp_sendmsg+0x3e/0xd0 [ 49.002371][ T287] ? __cfi_tcp_sendmsg+0x10/0x10 [ 49.002428][ T287] inet_sendmsg+0xb7/0x120 [ 49.002494][ T287] ? __cfi_inet_sendmsg+0x10/0x10 [ 49.002553][ T287] sock_write_iter+0x3bf/0x490 [ 49.002648][ T287] ? __cfi_sock_write_iter+0x10/0x10 [ 49.002743][ T287] vfs_write+0x762/0xfd0 [ 49.002802][ T287] ? __cfi_vfs_write+0x10/0x10 [ 49.002882][ T287] ? __kasan_check_read+0x15/0x20 [ 49.002948][ T287] ksys_write+0x145/0x260 [ 49.003015][ T287] ? __cfi_ksys_write+0x10/0x10 [ 49.003073][ T287] ? __kasan_check_read+0x15/0x20 [ 49.003129][ T287] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 49.003216][ T287] __x64_sys_write+0x7f/0x90 [ 49.003292][ T287] x64_sys_call+0x271c/0x2ee0 [ 49.003354][ T287] do_syscall_64+0x57/0xf0 [ 49.003422][ T287] ? clear_bhb_loop+0x50/0xa0 [ 49.003501][ T287] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.003574][ T287] RIP: 0033:0x7f54fe359017 [ 49.003629][ T287] 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 [ 49.003684][ T287] RSP: 002b:00007ffea9187080 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 49.003744][ T287] RAX: ffffffffffffffda RBX: 0000555558a5a500 RCX: 00007f54fe359017 [ 49.003789][ T287] RDX: 00000000000000f0 RSI: 00007f54fa1fff10 RDI: 0000000000000003 [ 49.003843][ T287] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.003880][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000f0 [ 49.003923][ T287] R13: 0000555558a71cf0 R14: 00007ffea9187620 R15: 00007f54fa1fff10 [ 49.003971][ T287] [ 49.004998][ T45] FAULT_INJECTION: forcing a failure. [ 49.004998][ T45] name failslab, interval 1, probability 10, space 0, times 24 [ 49.007332][ T296] CPU: 0 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.007387][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.007431][ T296] Call Trace: [ 49.007461][ T296] [ 49.007492][ T296] __dump_stack+0x21/0x30 [ 49.007590][ T296] dump_stack_lvl+0x140/0x1c0 [ 49.007676][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.007759][ T296] dump_stack+0x19/0x20 [ 49.007852][ T296] should_fail_ex+0x3c2/0x510 [ 49.007921][ T296] should_failslab+0xac/0x100 [ 49.007991][ T296] kmem_cache_alloc_node_noprof+0x45/0x420 [ 49.008057][ T296] ? __kasan_check_write+0x18/0x20 [ 49.008124][ T296] ? __alloc_skb+0x10c/0x360 [ 49.008203][ T296] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 49.008272][ T296] __alloc_skb+0x10c/0x360 [ 49.008360][ T296] inet6_rt_notify+0x351/0x520 [ 49.008429][ T296] ? __cfi_inet6_rt_notify+0x10/0x10 [ 49.008487][ T296] ? call_fib_notifiers+0xa4/0xc0 [ 49.008552][ T296] fib6_del+0xba0/0xf50 [ 49.008640][ T296] ? __cfi_fib6_del+0x10/0x10 [ 49.008722][ T296] ? _raw_spin_unlock+0x45/0x60 [ 49.008791][ T296] ? fib6_ifdown+0x2f1/0x4f0 [ 49.008860][ T296] fib6_clean_node+0x2b9/0x560 [ 49.008971][ T296] ? __cfi_fib6_clean_node+0x10/0x10 [ 49.009070][ T296] ? __sched_text_start+0x10/0x10 [ 49.009146][ T296] fib6_walk_continue+0x518/0x740 [ 49.009236][ T296] __fib6_clean_all+0x2a2/0x440 [ 49.009317][ T296] ? __cfi_fib6_ifdown+0x10/0x10 [ 49.009384][ T296] ? fib6_clean_all+0x50/0x50 [ 49.009462][ T296] ? __cfi_fib6_clean_node+0x10/0x10 [ 49.009544][ T296] ? __cfi_fib6_ifdown+0x10/0x10 [ 49.009602][ T296] ? dump_stack_lvl+0x16b/0x1c0 [ 49.009688][ T296] ? __cfi_fib6_ifdown+0x10/0x10 [ 49.009753][ T296] fib6_clean_all+0x2e/0x50 [ 49.009823][ T296] rt6_disable_ip+0x124/0x810 [ 49.009875][ T296] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 49.009944][ T296] ? __cfi_rt6_disable_ip+0x10/0x10 [ 49.010009][ T296] ? __kasan_check_read+0x15/0x20 [ 49.010067][ T296] addrconf_ifdown+0x161/0x1970 [ 49.010133][ T296] ? __kmalloc_cache_noprof+0x23c/0x470 [ 49.010199][ T296] ? __try_to_del_timer_sync+0x2e8/0x440 [ 49.010300][ T296] ? addrconf_cleanup+0x150/0x150 [ 49.010380][ T296] ? __kasan_check_write+0x18/0x20 [ 49.010445][ T296] ? mutex_unlock+0x90/0x240 [ 49.010517][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 49.010603][ T296] ? __cfi_device_cmp+0x10/0x10 [ 49.010681][ T296] ? masq_device_event+0xe0/0xe0 [ 49.010758][ T296] addrconf_notify+0x17a/0xeb0 [ 49.010832][ T296] ? ip6mr_device_event+0x1ed/0x230 [ 49.010891][ T296] ? __cfi_addrconf_notify+0x10/0x10 [ 49.010959][ T296] notifier_call_chain+0x106/0x2b0 [ 49.011024][ T296] raw_notifier_call_chain+0x31/0x40 [ 49.011087][ T296] dev_close_many+0x332/0x4f0 [ 49.011144][ T296] ? __cfi_dev_close_many+0x10/0x10 [ 49.011211][ T296] ? __kasan_check_read+0x15/0x20 [ 49.011269][ T296] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 49.011370][ T296] ? __queue_work+0xb67/0x1130 [ 49.011448][ T296] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 49.011537][ T296] ? __queue_delayed_work+0x18e/0x240 [ 49.011623][ T296] ? queue_delayed_work_on+0x16f/0x1f0 [ 49.011699][ T296] ? __kasan_check_read+0x15/0x20 [ 49.011757][ T296] unregister_netdevice_queue+0x302/0x350 [ 49.011832][ T296] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 49.011935][ T296] ? linkwatch_fire_event+0x212/0x260 [ 49.012039][ T296] __tun_detach+0xc98/0x1450 [ 49.012104][ T296] ? __cfi_tun_chr_close+0x10/0x10 [ 49.012161][ T296] tun_chr_close+0x93/0x150 [ 49.012216][ T296] __fput+0x20b/0xa30 [ 49.012303][ T296] ____fput+0x20/0x30 [ 49.012382][ T296] task_work_run+0x1e8/0x260 [ 49.012461][ T296] ? __cfi_task_work_run+0x10/0x10 [ 49.012538][ T296] ? free_nsproxy+0x223/0x290 [ 49.012628][ T296] do_exit+0xa46/0x2850 [ 49.012718][ T296] ? __cfi_do_exit+0x10/0x10 [ 49.012790][ T296] ? __kasan_check_write+0x18/0x20 [ 49.012851][ T296] ? _raw_spin_lock_irq+0x93/0x120 [ 49.012920][ T296] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 49.012989][ T296] ? zap_other_threads+0x32f/0x370 [ 49.013067][ T296] do_group_exit+0x21f/0x2f0 [ 49.013147][ T296] __x64_sys_exit_group+0x43/0x50 [ 49.013234][ T296] x64_sys_call+0x2ed2/0x2ee0 [ 49.013299][ T296] do_syscall_64+0x57/0xf0 [ 49.013398][ T296] ? clear_bhb_loop+0x50/0xa0 [ 49.013478][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.013565][ T296] RIP: 0033:0x7f15c5f9de99 [ 49.013611][ T296] Code: Unable to access opcode bytes at 0x7f15c5f9de6f. [ 49.013645][ T296] RSP: 002b:00007ffd4cc66b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.013719][ T296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c5f9de99 [ 49.013764][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 49.013800][ T296] RBP: 00007f15c6034de7 R08: 0000000000000000 R09: 00000000000927c0 [ 49.013837][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 49.013873][ T296] R13: 00000000000927c0 R14: 000000000000bd80 R15: 00007ffd4cc66cd0 [ 49.013926][ T296] [ 49.021821][ T296] FAULT_INJECTION: forcing a failure. [ 49.021821][ T296] name failslab, interval 1, probability 10, space 0, times 18 [ 49.021892][ T296] CPU: 0 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.021992][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.022047][ T296] Call Trace: [ 49.022075][ T296] [ 49.022106][ T296] __dump_stack+0x21/0x30 [ 49.022194][ T296] dump_stack_lvl+0x140/0x1c0 [ 49.022277][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.022361][ T296] ? stack_trace_save+0xaa/0x100 [ 49.022435][ T296] ? stack_depot_save_flags+0x38/0x800 [ 49.022508][ T296] ? __cfi___switch_to+0x10/0x10 [ 49.022593][ T296] dump_stack+0x19/0x20 [ 49.022666][ T296] should_fail_ex+0x3c2/0x510 [ 49.022737][ T296] should_failslab+0xac/0x100 [ 49.022810][ T296] kmem_cache_alloc_node_noprof+0x45/0x420 [ 49.022869][ T296] ? ____fput+0x20/0x30 [ 49.022944][ T296] ? task_work_run+0x1e8/0x260 [ 49.023019][ T296] ? __alloc_skb+0x10c/0x360 [ 49.023102][ T296] ? __x64_sys_exit_group+0x43/0x50 [ 49.023171][ T296] ? x64_sys_call+0x2ed2/0x2ee0 [ 49.023230][ T296] ? do_syscall_64+0x57/0xf0 [ 49.023314][ T296] __alloc_skb+0x10c/0x360 [ 49.023428][ T296] __ipv6_ifa_notify+0x205/0xee0 [ 49.023521][ T296] ? snmp6_fill_stats+0x9b0/0x9b0 [ 49.023594][ T296] ? _raw_spin_lock+0x92/0x120 [ 49.023652][ T296] ? timer_delete+0x101/0x3e0 [ 49.023727][ T296] ? __cfi__raw_spin_lock+0x10/0x10 [ 49.023794][ T296] ? __kasan_check_write+0x18/0x20 [ 49.023844][ T296] ? work_grab_pending+0x301/0x830 [ 49.023921][ T296] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 49.023989][ T296] ? kvfree_call_rcu+0x40e/0x730 [ 49.024057][ T296] ? mod_delayed_work_on+0x140/0x140 [ 49.024132][ T296] ? __kasan_check_write+0x18/0x20 [ 49.024188][ T296] ? _raw_spin_lock_bh+0x96/0x130 [ 49.024254][ T296] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 49.024344][ T296] ? __cancel_work+0x175/0x1f0 [ 49.024423][ T296] addrconf_ifdown+0xe01/0x1970 [ 49.024490][ T296] ? addrconf_cleanup+0x150/0x150 [ 49.024549][ T296] ? __kasan_check_write+0x18/0x20 [ 49.024607][ T296] ? mutex_unlock+0x90/0x240 [ 49.024686][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 49.024780][ T296] ? __cfi_device_cmp+0x10/0x10 [ 49.024867][ T296] ? masq_device_event+0xe0/0xe0 [ 49.024946][ T296] addrconf_notify+0x17a/0xeb0 [ 49.025014][ T296] ? ip6mr_device_event+0x1ed/0x230 [ 49.025079][ T296] ? __cfi_addrconf_notify+0x10/0x10 [ 49.025147][ T296] notifier_call_chain+0x106/0x2b0 [ 49.025206][ T296] raw_notifier_call_chain+0x31/0x40 [ 49.025271][ T296] dev_close_many+0x332/0x4f0 [ 49.025338][ T296] ? __cfi_dev_close_many+0x10/0x10 [ 49.025403][ T296] ? __kasan_check_read+0x15/0x20 [ 49.025460][ T296] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 49.025542][ T296] ? __queue_work+0xb67/0x1130 [ 49.025620][ T296] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 49.025701][ T296] ? __queue_delayed_work+0x18e/0x240 [ 49.025778][ T296] ? queue_delayed_work_on+0x16f/0x1f0 [ 49.025859][ T296] ? __kasan_check_read+0x15/0x20 [ 49.025915][ T296] unregister_netdevice_queue+0x302/0x350 [ 49.025992][ T296] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 49.026071][ T296] ? linkwatch_fire_event+0x212/0x260 [ 49.026175][ T296] __tun_detach+0xc98/0x1450 [ 49.026243][ T296] ? __cfi_tun_chr_close+0x10/0x10 [ 49.026298][ T296] tun_chr_close+0x93/0x150 [ 49.026362][ T296] __fput+0x20b/0xa30 [ 49.026439][ T296] ____fput+0x20/0x30 [ 49.026508][ T296] task_work_run+0x1e8/0x260 [ 49.026585][ T296] ? __cfi_task_work_run+0x10/0x10 [ 49.026663][ T296] ? free_nsproxy+0x223/0x290 [ 49.026749][ T296] do_exit+0xa46/0x2850 [ 49.026778][ T296] ? __cfi_do_exit+0x10/0x10 [ 49.026840][ T296] ? __kasan_check_write+0x18/0x20 [ 49.026921][ T296] ? _raw_spin_lock_irq+0x93/0x120 [ 49.026997][ T296] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 49.027068][ T296] ? zap_other_threads+0x32f/0x370 [ 49.027149][ T296] do_group_exit+0x21f/0x2f0 [ 49.027233][ T296] __x64_sys_exit_group+0x43/0x50 [ 49.027330][ T296] x64_sys_call+0x2ed2/0x2ee0 [ 49.027387][ T296] do_syscall_64+0x57/0xf0 [ 49.027443][ T296] ? clear_bhb_loop+0x50/0xa0 [ 49.027524][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.027601][ T296] RIP: 0033:0x7f15c5f9de99 [ 49.027655][ T296] Code: Unable to access opcode bytes at 0x7f15c5f9de6f. [ 49.027681][ T296] RSP: 002b:00007ffd4cc66b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.027748][ T296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c5f9de99 [ 49.027801][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 49.027841][ T296] RBP: 00007f15c6034de7 R08: 0000000000000000 R09: 00000000000927c0 [ 49.027879][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 49.027923][ T296] R13: 00000000000927c0 R14: 000000000000bd80 R15: 00007ffd4cc66cd0 [ 49.027971][ T296] [ 49.029121][ T369] CPU: 0 UID: 0 PID: 369 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.029219][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.029253][ T369] Call Trace: [ 49.029277][ T369] [ 49.029301][ T369] __dump_stack+0x21/0x30 [ 49.029394][ T369] dump_stack_lvl+0x140/0x1c0 [ 49.029476][ T369] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.029556][ T369] dump_stack+0x19/0x20 [ 49.029634][ T369] should_fail_ex+0x3c2/0x510 [ 49.029725][ T369] should_failslab+0xac/0x100 [ 49.029815][ T369] __kmalloc_cache_noprof+0x41/0x470 [ 49.029867][ T369] ? kernfs_fop_open+0x716/0xd50 [ 49.029957][ T369] ? seq_open+0xaa/0x1d0 [ 49.030034][ T369] kernfs_fop_open+0x716/0xd50 [ 49.030115][ T369] ? __cfi_kernfs_fop_open+0x10/0x10 [ 49.030203][ T369] do_dentry_open+0x97c/0x1510 [ 49.030284][ T369] vfs_open+0x86/0x240 [ 49.030373][ T369] ? __cfi_vfs_open+0x10/0x10 [ 49.030452][ T369] ? may_open+0x352/0x430 [ 49.030528][ T369] path_openat+0x2c49/0x35a0 [ 49.030606][ T369] ? kasan_save_alloc_info+0x3a/0x50 [ 49.030696][ T369] ? getname+0x1b/0x30 [ 49.030764][ T369] ? x64_sys_call+0xe69/0x2ee0 [ 49.030826][ T369] ? do_syscall_64+0x57/0xf0 [ 49.030896][ T369] ? do_filp_open+0x440/0x440 [ 49.030978][ T369] do_filp_open+0x1f2/0x440 [ 49.031080][ T369] ? __cfi_do_filp_open+0x10/0x10 [ 49.031169][ T369] ? alloc_fd+0x4c1/0x570 [ 49.031237][ T369] do_sys_openat2+0x134/0x1d0 [ 49.031331][ T369] ? do_sys_open+0x100/0x100 [ 49.031417][ T369] __x64_sys_openat+0x13a/0x170 [ 49.031505][ T369] x64_sys_call+0xe69/0x2ee0 [ 49.031565][ T369] do_syscall_64+0x57/0xf0 [ 49.031674][ T369] ? clear_bhb_loop+0x50/0xa0 [ 49.031735][ T369] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.031847][ T369] RIP: 0033:0x7f44430a7407 [ 49.031906][ T369] 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 [ 49.031958][ T369] RSP: 002b:00007ffd9f65b630 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.032021][ T369] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.032072][ T369] RDX: 0000000000080000 RSI: 00007ffd9f65b7b0 RDI: ffffffffffffff9c [ 49.032108][ T369] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.032148][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.032190][ T369] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000564936245140 [ 49.032234][ T369] [ 49.032996][ T369] FAULT_INJECTION: forcing a failure. [ 49.032996][ T369] name failslab, interval 1, probability 10, space 0, times 16 [ 49.037266][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.037361][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.037413][ T45] Workqueue: usb_hub_wq hub_event [ 49.037503][ T45] Call Trace: [ 49.037526][ T45] [ 49.037550][ T45] __dump_stack+0x21/0x30 [ 49.037645][ T45] dump_stack_lvl+0x140/0x1c0 [ 49.037733][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.037827][ T45] ? __call_rcu_common+0x53c/0x710 [ 49.037914][ T45] dump_stack+0x19/0x20 [ 49.037996][ T45] should_fail_ex+0x3c2/0x510 [ 49.038074][ T45] should_failslab+0xac/0x100 [ 49.038154][ T45] __kmalloc_cache_noprof+0x41/0x470 [ 49.038231][ T45] ? kobject_uevent_env+0x2a3/0x7e0 [ 49.038309][ T45] ? usb_bus_notify+0xb2/0x110 [ 49.038370][ T45] kobject_uevent_env+0x2a3/0x7e0 [ 49.038447][ T45] kobject_uevent+0x21/0x40 [ 49.038547][ T45] device_del+0xb7f/0xcf0 [ 49.038658][ T45] ? __cfi_device_del+0x10/0x10 [ 49.038739][ T45] ? __kasan_check_write+0x18/0x20 [ 49.038805][ T45] usb_disable_device+0x3af/0x770 [ 49.038896][ T45] usb_disconnect+0x331/0x950 [ 49.038973][ T45] hub_event+0x1ad5/0x4360 [ 49.039058][ T45] ? hub_event+0x1160/0x4360 [ 49.039157][ T45] ? __cfi_hub_event+0x10/0x10 [ 49.039244][ T45] ? kick_pool+0xb9/0x540 [ 49.039320][ T45] process_scheduled_works+0x7f7/0x1060 [ 49.039391][ T45] worker_thread+0xc99/0x13f0 [ 49.039467][ T45] kthread+0x2c7/0x360 [ 49.039535][ T45] ? __cfi_worker_thread+0x10/0x10 [ 49.039600][ T45] ? __cfi_kthread+0x10/0x10 [ 49.039676][ T45] ret_from_fork+0x67/0xa0 [ 49.039758][ T45] ? __cfi_kthread+0x10/0x10 [ 49.039842][ T45] ret_from_fork_asm+0x1a/0x30 [ 49.039927][ T45] [ 49.049716][ T111] FAULT_INJECTION: forcing a failure. [ 49.049716][ T111] name failslab, interval 1, probability 10, space 0, times 15 [ 49.051143][ T369] CPU: 0 UID: 0 PID: 369 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.051226][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.051269][ T369] Call Trace: [ 49.051291][ T369] [ 49.051313][ T369] __dump_stack+0x21/0x30 [ 49.051431][ T369] dump_stack_lvl+0x140/0x1c0 [ 49.051510][ T369] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.051600][ T369] dump_stack+0x19/0x20 [ 49.051680][ T369] should_fail_ex+0x3c2/0x510 [ 49.051749][ T369] should_failslab+0xac/0x100 [ 49.051821][ T369] kmem_cache_alloc_noprof+0x42/0x410 [ 49.051882][ T369] ? security_file_alloc+0x49/0x220 [ 49.051971][ T369] ? kasan_save_alloc_info+0x3a/0x50 [ 49.052061][ T369] security_file_alloc+0x49/0x220 [ 49.052147][ T369] init_file+0x9e/0x210 [ 49.052224][ T369] alloc_empty_file+0xd9/0x270 [ 49.052299][ T369] path_openat+0xf4/0x35a0 [ 49.052407][ T369] ? stack_depot_save_flags+0x38/0x800 [ 49.052505][ T369] ? __kasan_record_aux_stack+0xb2/0xd0 [ 49.052594][ T369] ? kasan_save_track+0x4f/0x80 [ 49.052659][ T369] ? kasan_save_track+0x3e/0x80 [ 49.052733][ T369] ? kasan_save_alloc_info+0x3a/0x50 [ 49.052824][ T369] ? __kasan_slab_alloc+0x73/0x90 [ 49.052903][ T369] ? getname+0x1b/0x30 [ 49.052959][ T369] ? do_sys_openat2+0xda/0x1d0 [ 49.053037][ T369] ? __x64_sys_openat+0x13a/0x170 [ 49.053114][ T369] ? x64_sys_call+0xe69/0x2ee0 [ 49.053168][ T369] ? do_syscall_64+0x57/0xf0 [ 49.053245][ T369] ? do_filp_open+0x440/0x440 [ 49.053332][ T369] do_filp_open+0x1f2/0x440 [ 49.053404][ T369] ? __cfi_do_filp_open+0x10/0x10 [ 49.053492][ T369] ? alloc_fd+0x4c1/0x570 [ 49.053572][ T369] do_sys_openat2+0x134/0x1d0 [ 49.053658][ T369] ? do_sys_open+0x100/0x100 [ 49.053762][ T369] __x64_sys_openat+0x13a/0x170 [ 49.053878][ T369] x64_sys_call+0xe69/0x2ee0 [ 49.053934][ T369] do_syscall_64+0x57/0xf0 [ 49.053999][ T369] ? clear_bhb_loop+0x50/0xa0 [ 49.054075][ T369] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.054149][ T369] RIP: 0033:0x7f44430a7407 [ 49.054203][ T369] 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 [ 49.054259][ T369] RSP: 002b:00007ffd9f65faf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.054325][ T369] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.054370][ T369] RDX: 0000000000080000 RSI: 00007ffd9f65fc60 RDI: ffffffffffffff9c [ 49.054414][ T369] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.054455][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.054499][ T369] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000564936245140 [ 49.054553][ T369] [ 49.054791][ T369] FAULT_INJECTION: forcing a failure. [ 49.054791][ T369] name failslab, interval 1, probability 10, space 0, times 14 [ 49.056329][ T346] FAULT_INJECTION: forcing a failure. [ 49.056329][ T346] name failslab, interval 1, probability 10, space 0, times 14 [ 49.061983][ T295] FAULT_INJECTION: forcing a failure. [ 49.061983][ T295] name failslab, interval 1, probability 10, space 0, times 14 [ 49.065604][ T111] CPU: 1 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.065686][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.065727][ T111] Call Trace: [ 49.065748][ T111] [ 49.065769][ T111] __dump_stack+0x21/0x30 [ 49.065862][ T111] dump_stack_lvl+0x140/0x1c0 [ 49.065939][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.066032][ T111] dump_stack+0x19/0x20 [ 49.066110][ T111] should_fail_ex+0x3c2/0x510 [ 49.066183][ T111] should_failslab+0xac/0x100 [ 49.066257][ T111] kmem_cache_alloc_noprof+0x42/0x410 [ 49.066312][ T111] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 49.066392][ T111] ? alloc_empty_file+0xbf/0x270 [ 49.066468][ T111] ? arch_stack_walk+0x10a/0x170 [ 49.066530][ T111] alloc_empty_file+0xbf/0x270 [ 49.066614][ T111] path_openat+0xf4/0x35a0 [ 49.066696][ T111] ? stack_depot_save_flags+0x38/0x800 [ 49.066763][ T111] ? ____sys_sendmsg+0x780/0xa00 [ 49.066858][ T111] ? kasan_save_track+0x4f/0x80 [ 49.066943][ T111] ? kasan_save_track+0x3e/0x80 [ 49.067009][ T111] ? kasan_save_alloc_info+0x3a/0x50 [ 49.067096][ T111] ? __kasan_slab_alloc+0x73/0x90 [ 49.067172][ T111] ? getname+0x1b/0x30 [ 49.067227][ T111] ? do_sys_openat2+0xda/0x1d0 [ 49.067303][ T111] ? __x64_sys_openat+0x13a/0x170 [ 49.067472][ T111] ? x64_sys_call+0xe69/0x2ee0 [ 49.067535][ T111] ? do_syscall_64+0x57/0xf0 [ 49.067612][ T111] ? do_filp_open+0x440/0x440 [ 49.067697][ T111] do_filp_open+0x1f2/0x440 [ 49.067777][ T111] ? __cfi_do_filp_open+0x10/0x10 [ 49.067876][ T111] ? alloc_fd+0x4c1/0x570 [ 49.067954][ T111] do_sys_openat2+0x134/0x1d0 [ 49.068032][ T111] ? do_sys_open+0x100/0x100 [ 49.068120][ T111] __x64_sys_openat+0x13a/0x170 [ 49.068223][ T111] x64_sys_call+0xe69/0x2ee0 [ 49.068303][ T111] do_syscall_64+0x57/0xf0 [ 49.068380][ T111] ? clear_bhb_loop+0x50/0xa0 [ 49.068464][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.068541][ T111] RIP: 0033:0x7f44430a7407 [ 49.068596][ T111] 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 [ 49.068650][ T111] RSP: 002b:00007ffd9f6641e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.068716][ T111] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.068760][ T111] RDX: 0000000000080141 RSI: 000056493622a02e RDI: ffffffffffffff9c [ 49.068806][ T111] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.068858][ T111] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 49.068894][ T111] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 49.068947][ T111] [ 49.069314][ T346] CPU: 1 UID: 0 PID: 346 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.069405][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.069450][ T346] Call Trace: [ 49.069473][ T346] [ 49.069495][ T346] __dump_stack+0x21/0x30 [ 49.069590][ T346] dump_stack_lvl+0x140/0x1c0 [ 49.069676][ T346] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.069765][ T346] dump_stack+0x19/0x20 [ 49.069842][ T346] should_fail_ex+0x3c2/0x510 [ 49.069928][ T346] should_failslab+0xac/0x100 [ 49.070005][ T346] kmem_cache_alloc_noprof+0x42/0x410 [ 49.070045][ T346] ? security_file_alloc+0x49/0x220 [ 49.070080][ T346] ? kasan_save_alloc_info+0x3a/0x50 [ 49.070160][ T346] security_file_alloc+0x49/0x220 [ 49.070273][ T346] init_file+0x9e/0x210 [ 49.070357][ T346] alloc_empty_file+0xd9/0x270 [ 49.070407][ T346] path_openat+0xf4/0x35a0 [ 49.070485][ T346] ? stack_depot_save_flags+0x38/0x800 [ 49.070562][ T346] ? move_addr_to_user+0x177/0x1e0 [ 49.070649][ T346] ? kasan_save_track+0x4f/0x80 [ 49.070717][ T346] ? kasan_save_track+0x3e/0x80 [ 49.070784][ T346] ? kasan_save_alloc_info+0x3a/0x50 [ 49.070882][ T346] ? __kasan_slab_alloc+0x73/0x90 [ 49.070951][ T346] ? getname+0x1b/0x30 [ 49.071014][ T346] ? do_sys_openat2+0xda/0x1d0 [ 49.071091][ T346] ? __x64_sys_openat+0x13a/0x170 [ 49.071168][ T346] ? x64_sys_call+0xe69/0x2ee0 [ 49.071222][ T346] ? do_syscall_64+0x57/0xf0 [ 49.071295][ T346] ? do_filp_open+0x440/0x440 [ 49.071375][ T346] do_filp_open+0x1f2/0x440 [ 49.071455][ T346] ? __cfi_do_filp_open+0x10/0x10 [ 49.071544][ T346] ? alloc_fd+0x4c1/0x570 [ 49.071636][ T346] do_sys_openat2+0x134/0x1d0 [ 49.071739][ T346] ? do_sys_open+0x100/0x100 [ 49.071831][ T346] __x64_sys_openat+0x13a/0x170 [ 49.071939][ T346] x64_sys_call+0xe69/0x2ee0 [ 49.071994][ T346] do_syscall_64+0x57/0xf0 [ 49.072052][ T346] ? clear_bhb_loop+0x50/0xa0 [ 49.072137][ T346] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.072201][ T346] RIP: 0033:0x7f44430a7407 [ 49.072249][ T346] 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 [ 49.072303][ T346] RSP: 002b:00007ffd9f65b630 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.072372][ T346] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.072425][ T346] RDX: 0000000000080000 RSI: 00007ffd9f65b7b0 RDI: ffffffffffffff9c [ 49.072470][ T346] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.072504][ T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.072547][ T346] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000564936245140 [ 49.072598][ T346] [ 49.072898][ T111] udevd[111]: could not touch /run/udev/queue: Cannot allocate memory [ 49.075113][ T369] CPU: 0 UID: 0 PID: 369 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.075204][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.075245][ T369] Call Trace: [ 49.075266][ T369] [ 49.075288][ T369] __dump_stack+0x21/0x30 [ 49.075384][ T369] dump_stack_lvl+0x140/0x1c0 [ 49.075468][ T369] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.075551][ T369] ? __filename_parentat+0x458/0x660 [ 49.075625][ T369] dump_stack+0x19/0x20 [ 49.075699][ T369] should_fail_ex+0x3c2/0x510 [ 49.075769][ T369] should_failslab+0xac/0x100 [ 49.075844][ T369] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 49.075911][ T369] ? __d_alloc+0x42/0x8c0 [ 49.075964][ T369] ? __d_lookup+0x4e8/0x550 [ 49.076032][ T369] __d_alloc+0x42/0x8c0 [ 49.076093][ T369] d_alloc+0x4c/0x1c0 [ 49.076157][ T369] ? lookup_one_qstr_excl+0xba/0x280 [ 49.076253][ T369] lookup_one_qstr_excl+0xcf/0x280 [ 49.076321][ T369] do_unlinkat+0x1e1/0x5a0 [ 49.076414][ T369] ? __cfi_do_unlinkat+0x10/0x10 [ 49.076504][ T369] ? __kasan_check_write+0x18/0x20 [ 49.076566][ T369] __x64_sys_unlink+0x4b/0x60 [ 49.076649][ T369] x64_sys_call+0x286c/0x2ee0 [ 49.076705][ T369] do_syscall_64+0x57/0xf0 [ 49.076780][ T369] ? clear_bhb_loop+0x50/0xa0 [ 49.076851][ T369] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.076926][ T369] RIP: 0033:0x7f4443115937 [ 49.076979][ T369] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 49.077033][ T369] RSP: 002b:00007ffd9f663858 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 49.077088][ T369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4443115937 [ 49.077139][ T369] RDX: 0000000000000000 RSI: 00000000000003e1 RDI: 00007ffd9f663870 [ 49.077182][ T369] RBP: 000056494d9d1d40 R08: 0000000000000000 R09: 0000000000000001 [ 49.077226][ T369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd9f663870 [ 49.077261][ T369] R13: 000056494d7867a0 R14: 0000564936245100 R15: 0000564936245140 [ 49.077315][ T369] [ 49.077513][ T369] FAULT_INJECTION: forcing a failure. [ 49.077513][ T369] name failslab, interval 1, probability 10, space 0, times 12 [ 49.080109][ T346] FAULT_INJECTION: forcing a failure. [ 49.080109][ T346] name failslab, interval 1, probability 10, space 0, times 11 [ 49.085702][ T369] CPU: 0 UID: 0 PID: 369 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.085792][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.085830][ T369] Call Trace: [ 49.085852][ T369] [ 49.085868][ T369] __dump_stack+0x21/0x30 [ 49.085956][ T369] dump_stack_lvl+0x140/0x1c0 [ 49.086040][ T369] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.086126][ T369] dump_stack+0x19/0x20 [ 49.086203][ T369] should_fail_ex+0x3c2/0x510 [ 49.086269][ T369] should_failslab+0xac/0x100 [ 49.086345][ T369] kmem_cache_alloc_noprof+0x42/0x410 [ 49.086410][ T369] ? getname_flags+0xcc/0x6b0 [ 49.086487][ T369] getname_flags+0xcc/0x6b0 [ 49.086554][ T369] getname+0x1b/0x30 [ 49.086617][ T369] do_sys_openat2+0xda/0x1d0 [ 49.086697][ T369] ? do_sys_open+0x100/0x100 [ 49.086799][ T369] __x64_sys_openat+0x13a/0x170 [ 49.086889][ T369] x64_sys_call+0xe69/0x2ee0 [ 49.086965][ T369] do_syscall_64+0x57/0xf0 [ 49.087047][ T369] ? clear_bhb_loop+0x50/0xa0 [ 49.087123][ T369] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.087198][ T369] RIP: 0033:0x7f44430a7407 [ 49.087251][ T369] 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 [ 49.087298][ T369] RSP: 002b:00007ffd9f65fa90 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.087372][ T369] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.087416][ T369] RDX: 0000000000080000 RSI: 00007ffd9f65fc10 RDI: ffffffffffffff9c [ 49.087460][ T369] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.087502][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.087545][ T369] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000000000000000 [ 49.087591][ T369] [ 49.088970][ T296] FAULT_INJECTION: forcing a failure. [ 49.088970][ T296] name failslab, interval 1, probability 10, space 0, times 11 [ 49.094147][ T111] FAULT_INJECTION: forcing a failure. [ 49.094147][ T111] name failslab, interval 1, probability 10, space 0, times 11 [ 49.100167][ T295] CPU: 0 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.100255][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.100298][ T295] Call Trace: [ 49.100313][ T295] [ 49.100341][ T295] __dump_stack+0x21/0x30 [ 49.100438][ T295] dump_stack_lvl+0x140/0x1c0 [ 49.100515][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.100605][ T295] dump_stack+0x19/0x20 [ 49.100683][ T295] should_fail_ex+0x3c2/0x510 [ 49.100757][ T295] should_failslab+0xac/0x100 [ 49.100833][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 49.100892][ T295] ? getname_flags+0xcc/0x6b0 [ 49.100958][ T295] getname_flags+0xcc/0x6b0 [ 49.101024][ T295] user_path_at+0x2b/0x60 [ 49.101099][ T295] __x64_sys_umount+0xfa/0x180 [ 49.101155][ T295] ? __cfi___x64_sys_umount+0x10/0x10 [ 49.101235][ T295] ? __kasan_check_read+0x15/0x20 [ 49.101315][ T295] x64_sys_call+0x2ab8/0x2ee0 [ 49.101418][ T295] do_syscall_64+0x57/0xf0 [ 49.101485][ T295] ? clear_bhb_loop+0x50/0xa0 [ 49.101560][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.101643][ T295] RIP: 0033:0x7f0e8c99f0d7 [ 49.101691][ T295] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 49.101749][ T295] RSP: 002b:00007ffd214d72c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.101812][ T295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e8c99f0d7 [ 49.101849][ T295] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd214d7380 [ 49.101884][ T295] RBP: 00007ffd214d7380 R08: 00007ffd214d8380 R09: 00000000ffffffff [ 49.101925][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 49.101967][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 49.102018][ T295] [ 49.102424][ T295] FAULT_INJECTION: forcing a failure. [ 49.102424][ T295] name failslab, interval 1, probability 10, space 0, times 10 [ 49.103277][ T111] CPU: 1 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.103372][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.103415][ T111] Call Trace: [ 49.103435][ T111] [ 49.103465][ T111] __dump_stack+0x21/0x30 [ 49.103544][ T111] dump_stack_lvl+0x140/0x1c0 [ 49.103629][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.103725][ T111] dump_stack+0x19/0x20 [ 49.103792][ T111] should_fail_ex+0x3c2/0x510 [ 49.103867][ T111] should_failslab+0xac/0x100 [ 49.103940][ T111] kmem_cache_alloc_noprof+0x42/0x410 [ 49.104003][ T111] ? security_file_alloc+0x49/0x220 [ 49.104086][ T111] ? kasan_save_alloc_info+0x3a/0x50 [ 49.104178][ T111] security_file_alloc+0x49/0x220 [ 49.104257][ T111] init_file+0x9e/0x210 [ 49.104331][ T111] alloc_empty_file+0xd9/0x270 [ 49.104418][ T111] path_openat+0xf4/0x35a0 [ 49.104491][ T111] ? stack_depot_save_flags+0x38/0x800 [ 49.104556][ T111] ? move_addr_to_user+0x177/0x1e0 [ 49.104646][ T111] ? kasan_save_track+0x4f/0x80 [ 49.104735][ T111] ? kasan_save_track+0x3e/0x80 [ 49.104807][ T111] ? kasan_save_alloc_info+0x3a/0x50 [ 49.104908][ T111] ? __kasan_slab_alloc+0x73/0x90 [ 49.104975][ T111] ? getname+0x1b/0x30 [ 49.105036][ T111] ? do_sys_openat2+0xda/0x1d0 [ 49.105113][ T111] ? __x64_sys_openat+0x13a/0x170 [ 49.105197][ T111] ? x64_sys_call+0xe69/0x2ee0 [ 49.105249][ T111] ? do_syscall_64+0x57/0xf0 [ 49.105314][ T111] ? do_filp_open+0x440/0x440 [ 49.105393][ T111] do_filp_open+0x1f2/0x440 [ 49.105471][ T111] ? __cfi_do_filp_open+0x10/0x10 [ 49.105551][ T111] ? alloc_fd+0x4c1/0x570 [ 49.105617][ T111] do_sys_openat2+0x134/0x1d0 [ 49.105703][ T111] ? do_sys_open+0x100/0x100 [ 49.105792][ T111] __x64_sys_openat+0x13a/0x170 [ 49.105891][ T111] x64_sys_call+0xe69/0x2ee0 [ 49.105946][ T111] do_syscall_64+0x57/0xf0 [ 49.106012][ T111] ? clear_bhb_loop+0x50/0xa0 [ 49.106113][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.106201][ T111] RIP: 0033:0x7f44430a7407 [ 49.106254][ T111] 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 [ 49.106308][ T111] RSP: 002b:00007ffd9f6641e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.106378][ T111] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.106424][ T111] RDX: 0000000000080141 RSI: 000056493622a02e RDI: ffffffffffffff9c [ 49.106471][ T111] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.106506][ T111] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 49.106547][ T111] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 49.106599][ T111] [ 49.107045][ T111] udevd[111]: could not touch /run/udev/queue: Cannot allocate memory [ 49.108097][ T369] FAULT_INJECTION: forcing a failure. [ 49.108097][ T369] name failslab, interval 1, probability 10, space 0, times 8 [ 49.112355][ T346] CPU: 1 UID: 0 PID: 346 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.112435][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.112478][ T346] Call Trace: [ 49.112501][ T346] [ 49.112524][ T346] __dump_stack+0x21/0x30 [ 49.112610][ T346] dump_stack_lvl+0x140/0x1c0 [ 49.112697][ T346] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.112777][ T346] dump_stack+0x19/0x20 [ 49.112841][ T346] should_fail_ex+0x3c2/0x510 [ 49.112926][ T346] should_failslab+0xac/0x100 [ 49.113001][ T346] kmem_cache_alloc_noprof+0x42/0x410 [ 49.113065][ T346] ? getname_flags+0xcc/0x6b0 [ 49.113129][ T346] ? __kasan_slab_free+0x6a/0x80 [ 49.113196][ T346] getname_flags+0xcc/0x6b0 [ 49.113263][ T346] getname+0x1b/0x30 [ 49.113326][ T346] do_sys_openat2+0xda/0x1d0 [ 49.113408][ T346] ? do_sys_open+0x100/0x100 [ 49.113497][ T346] __x64_sys_openat+0x13a/0x170 [ 49.113584][ T346] x64_sys_call+0xe69/0x2ee0 [ 49.113638][ T346] do_syscall_64+0x57/0xf0 [ 49.113713][ T346] ? clear_bhb_loop+0x50/0xa0 [ 49.113828][ T346] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.113911][ T346] RIP: 0033:0x7f44430a7407 [ 49.113964][ T346] 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 [ 49.114008][ T346] RSP: 002b:00007ffd9f65b630 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.114073][ T346] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.114118][ T346] RDX: 0000000000080000 RSI: 00007ffd9f65b7b0 RDI: ffffffffffffff9c [ 49.114153][ T346] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.114195][ T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.114239][ T346] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000564936245140 [ 49.114285][ T346] [ 49.114413][ T346] FAULT_INJECTION: forcing a failure. [ 49.114413][ T346] name failslab, interval 1, probability 10, space 0, times 7 [ 49.118522][ T295] CPU: 0 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.118631][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.118665][ T295] Call Trace: [ 49.118686][ T295] [ 49.118711][ T295] __dump_stack+0x21/0x30 [ 49.118799][ T295] dump_stack_lvl+0x140/0x1c0 [ 49.118878][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.118966][ T295] dump_stack+0x19/0x20 [ 49.119040][ T295] should_fail_ex+0x3c2/0x510 [ 49.119109][ T295] should_failslab+0xac/0x100 [ 49.119182][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 49.119245][ T295] ? getname_flags+0xcc/0x6b0 [ 49.119307][ T295] getname_flags+0xcc/0x6b0 [ 49.119397][ T295] vfs_fstatat+0xcb/0x1d0 [ 49.119470][ T295] __se_sys_newfstatat+0x127/0x3c0 [ 49.119544][ T295] ? __x64_sys_newfstatat+0xc0/0xc0 [ 49.119618][ T295] ? mntput_no_expire+0x104/0x6c0 [ 49.119701][ T295] ? selinux_capable+0x38/0x50 [ 49.119775][ T295] ? mntput+0xd0/0xd0 [ 49.119851][ T295] ? dput+0xd5/0x520 [ 49.119957][ T295] ? path_umount+0x34a/0xf60 [ 49.120068][ T295] ? __x64_sys_umount+0x12e/0x180 [ 49.120124][ T295] __x64_sys_newfstatat+0x9f/0xc0 [ 49.120197][ T295] x64_sys_call+0x1821/0x2ee0 [ 49.120259][ T295] do_syscall_64+0x57/0xf0 [ 49.120321][ T295] ? clear_bhb_loop+0x50/0xa0 [ 49.120402][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.120475][ T295] RIP: 0033:0x7f0e8c99c4da [ 49.120519][ T295] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 [ 49.120569][ T295] RSP: 002b:00007ffd214d72c8 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 49.120637][ T295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e8c99c4da [ 49.120687][ T295] RDX: 00007ffd214d72f0 RSI: 00007ffd214d7380 RDI: 00000000ffffff9c [ 49.120728][ T295] RBP: 00007ffd214d7380 R08: 00007ffd214d8380 R09: 00000000ffffffff [ 49.120770][ T295] R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffd214d8410 [ 49.120812][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 49.120859][ T295] [ 49.126826][ T369] CPU: 0 UID: 0 PID: 369 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.126918][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.126954][ T369] Call Trace: [ 49.126975][ T369] [ 49.126998][ T369] __dump_stack+0x21/0x30 [ 49.127085][ T369] dump_stack_lvl+0x140/0x1c0 [ 49.127169][ T369] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.127256][ T369] ? consume_skb+0x65/0x1a0 [ 49.127312][ T369] ? netlink_sendmsg+0x7d1/0xad0 [ 49.127335][ T369] ? ____sys_sendmsg+0x9a1/0xa00 [ 49.127415][ T369] ? ___sys_sendmsg+0x2a6/0x370 [ 49.127495][ T369] ? x64_sys_call+0x2a4c/0x2ee0 [ 49.127556][ T369] ? do_syscall_64+0x57/0xf0 [ 49.127629][ T369] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.127699][ T369] dump_stack+0x19/0x20 [ 49.127781][ T369] should_fail_ex+0x3c2/0x510 [ 49.127852][ T369] should_failslab+0xac/0x100 [ 49.127930][ T369] kmem_cache_alloc_node_noprof+0x45/0x420 [ 49.127994][ T369] ? __alloc_skb+0x10c/0x360 [ 49.128071][ T369] __alloc_skb+0x10c/0x360 [ 49.128154][ T369] alloc_skb_with_frags+0xd0/0x8b0 [ 49.128233][ T369] ? __kasan_slab_free+0x6a/0x80 [ 49.128307][ T369] ? kmem_cache_free+0x1bd/0x4f0 [ 49.128373][ T369] sock_alloc_send_pskb+0x883/0x9a0 [ 49.128437][ T369] ? __kfree_skb+0x18f/0x210 [ 49.128523][ T369] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 49.128586][ T369] ? __kasan_check_write+0x18/0x20 [ 49.128642][ T369] ? _raw_spin_lock+0x92/0x120 [ 49.128717][ T369] ? __cfi__raw_spin_lock+0x10/0x10 [ 49.128786][ T369] unix_dgram_sendmsg+0x63a/0x1a90 [ 49.128868][ T369] ? selinux_socket_sendmsg+0x281/0x380 [ 49.128985][ T369] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 49.129073][ T369] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 49.129141][ T369] ? security_socket_sendmsg+0x3d/0x100 [ 49.129226][ T369] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 49.129311][ T369] sock_write_iter+0x442/0x490 [ 49.129388][ T369] ? __cfi_sock_write_iter+0x10/0x10 [ 49.129473][ T369] vfs_write+0x762/0xfd0 [ 49.129531][ T369] ? __cfi_vfs_write+0x10/0x10 [ 49.129595][ T369] ? __kasan_check_read+0x15/0x20 [ 49.129658][ T369] ? __kasan_check_read+0x15/0x20 [ 49.129714][ T369] ksys_write+0x145/0x260 [ 49.129781][ T369] ? __cfi_ksys_write+0x10/0x10 [ 49.129846][ T369] ? __kasan_check_read+0x15/0x20 [ 49.129896][ T369] __x64_sys_write+0x7f/0x90 [ 49.129962][ T369] x64_sys_call+0x271c/0x2ee0 [ 49.130017][ T369] do_syscall_64+0x57/0xf0 [ 49.130082][ T369] ? clear_bhb_loop+0x50/0xa0 [ 49.130157][ T369] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.130256][ T369] RIP: 0033:0x7f44430a7407 [ 49.130325][ T369] 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 [ 49.130388][ T369] RSP: 002b:00007ffd9f6640c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 49.130452][ T369] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.130504][ T369] RDX: 0000000000000000 RSI: 00007ffd9f664167 RDI: 000000000000000a [ 49.130540][ T369] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 [ 49.130580][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f444377e6e8 [ 49.130625][ T369] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.130668][ T369] [ 49.130819][ T369] udevd[369]: failed to send result of seq 4475 to main daemon: No buffer space available [ 49.147393][ T330] FAULT_INJECTION: forcing a failure. [ 49.147393][ T330] name failslab, interval 1, probability 10, space 0, times 4 [ 49.155924][ T296] CPU: 0 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.156001][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.156041][ T296] Call Trace: [ 49.156062][ T296] [ 49.156084][ T296] __dump_stack+0x21/0x30 [ 49.156180][ T296] dump_stack_lvl+0x140/0x1c0 [ 49.156256][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.156349][ T296] dump_stack+0x19/0x20 [ 49.156426][ T296] should_fail_ex+0x3c2/0x510 [ 49.156491][ T296] should_failslab+0xac/0x100 [ 49.156566][ T296] kmem_cache_alloc_node_noprof+0x45/0x420 [ 49.156630][ T296] ? __alloc_skb+0x10c/0x360 [ 49.156708][ T296] ? call_fib4_notifiers+0x94/0x100 [ 49.156786][ T296] __alloc_skb+0x10c/0x360 [ 49.156873][ T296] rtmsg_fib+0xe1/0x490 [ 49.156952][ T296] fib_table_delete+0xc65/0xe90 [ 49.157064][ T296] fib_del_ifaddr+0x16ff/0x1c80 [ 49.157128][ T296] ? kasan_save_track+0x4f/0x80 [ 49.157195][ T296] ? __kfree_skb+0x18f/0x210 [ 49.157278][ T296] ? netlink_broadcast_filtered+0x10c2/0x11d0 [ 49.157383][ T296] ? nlmsg_notify+0xed/0x1b0 [ 49.157438][ T296] ? rtmsg_ifa+0x143/0x1f0 [ 49.157493][ T296] ? inetdev_event+0x7fa/0x1240 [ 49.157551][ T296] ? notifier_call_chain+0x106/0x2b0 [ 49.157614][ T296] ? raw_notifier_call_chain+0x31/0x40 [ 49.157677][ T296] ? unregister_netdevice_many_notify+0xde1/0x1be0 [ 49.157755][ T296] ? unregister_netdevice_queue+0x302/0x350 [ 49.157833][ T296] ? __cfi_fib_del_ifaddr+0x10/0x10 [ 49.157883][ T296] ? ____fput+0x20/0x30 [ 49.157974][ T296] ? kmem_cache_free+0x1bd/0x4f0 [ 49.158047][ T296] ? consume_skb+0x91/0x1a0 [ 49.158134][ T296] ? downgrade_write+0x470/0x470 [ 49.158222][ T296] fib_inetaddr_event+0xcd/0x320 [ 49.158286][ T296] ? __cfi_fib_inetaddr_event+0x10/0x10 [ 49.158393][ T296] notifier_call_chain+0x106/0x2b0 [ 49.158471][ T296] blocking_notifier_call_chain+0x6a/0x90 [ 49.158536][ T296] __inet_del_ifa+0x81f/0xda0 [ 49.158602][ T296] ? ip_mc_destroy_dev+0x39a/0x3f0 [ 49.158681][ T296] inetdev_event+0x7fa/0x1240 [ 49.158747][ T296] ? __cfi_inetdev_event+0x10/0x10 [ 49.158812][ T296] ? cfg802154_netdev_notifier_call+0xe5/0x930 [ 49.158886][ T296] ? arp_netdev_event+0xd8/0x2c0 [ 49.158966][ T296] ? __cfi_inetdev_event+0x10/0x10 [ 49.159032][ T296] notifier_call_chain+0x106/0x2b0 [ 49.159095][ T296] raw_notifier_call_chain+0x31/0x40 [ 49.159153][ T296] unregister_netdevice_many_notify+0xde1/0x1be0 [ 49.159240][ T296] ? __queue_work+0xb67/0x1130 [ 49.159314][ T296] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 49.159412][ T296] ? __queue_delayed_work+0x18e/0x240 [ 49.159491][ T296] ? __kasan_check_read+0x15/0x20 [ 49.159555][ T296] unregister_netdevice_queue+0x302/0x350 [ 49.159636][ T296] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 49.159722][ T296] ? linkwatch_fire_event+0x212/0x260 [ 49.159840][ T296] __tun_detach+0xc98/0x1450 [ 49.159893][ T296] ? __cfi_tun_chr_close+0x10/0x10 [ 49.159949][ T296] tun_chr_close+0x93/0x150 [ 49.160010][ T296] __fput+0x20b/0xa30 [ 49.160087][ T296] ____fput+0x20/0x30 [ 49.160162][ T296] task_work_run+0x1e8/0x260 [ 49.160241][ T296] ? __cfi_task_work_run+0x10/0x10 [ 49.160324][ T296] ? free_nsproxy+0x223/0x290 [ 49.160412][ T296] do_exit+0xa46/0x2850 [ 49.160490][ T296] ? __cfi_do_exit+0x10/0x10 [ 49.160565][ T296] ? __kasan_check_write+0x18/0x20 [ 49.160628][ T296] ? _raw_spin_lock_irq+0x93/0x120 [ 49.160694][ T296] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 49.160759][ T296] ? zap_other_threads+0x32f/0x370 [ 49.160838][ T296] do_group_exit+0x21f/0x2f0 [ 49.160911][ T296] __x64_sys_exit_group+0x43/0x50 [ 49.160995][ T296] x64_sys_call+0x2ed2/0x2ee0 [ 49.161050][ T296] do_syscall_64+0x57/0xf0 [ 49.161126][ T296] ? clear_bhb_loop+0x50/0xa0 [ 49.161231][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.161309][ T296] RIP: 0033:0x7f15c5f9de99 [ 49.161374][ T296] Code: Unable to access opcode bytes at 0x7f15c5f9de6f. [ 49.161398][ T296] RSP: 002b:00007ffd4cc66b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.161465][ T296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c5f9de99 [ 49.161510][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 49.161545][ T296] RBP: 00007f15c6034de7 R08: 0000000000000000 R09: 00000000000927c0 [ 49.161588][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 49.161631][ T296] R13: 00000000000927c0 R14: 000000000000bd80 R15: 00007ffd4cc66cd0 [ 49.161677][ T296] [ 49.176070][ T346] CPU: 0 UID: 0 PID: 346 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.176170][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.176204][ T346] Call Trace: [ 49.176224][ T346] [ 49.176246][ T346] __dump_stack+0x21/0x30 [ 49.176359][ T346] dump_stack_lvl+0x140/0x1c0 [ 49.176437][ T346] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.176521][ T346] dump_stack+0x19/0x20 [ 49.176596][ T346] should_fail_ex+0x3c2/0x510 [ 49.176671][ T346] should_failslab+0xac/0x100 [ 49.176750][ T346] kmem_cache_alloc_noprof+0x42/0x410 [ 49.176816][ T346] ? getname_flags+0xcc/0x6b0 [ 49.176874][ T346] ? __kasan_slab_free+0x6a/0x80 [ 49.176950][ T346] getname_flags+0xcc/0x6b0 [ 49.177016][ T346] getname+0x1b/0x30 [ 49.177080][ T346] do_sys_openat2+0xda/0x1d0 [ 49.177174][ T346] ? do_sys_open+0x100/0x100 [ 49.177289][ T346] __x64_sys_openat+0x13a/0x170 [ 49.177386][ T346] x64_sys_call+0xe69/0x2ee0 [ 49.177441][ T346] do_syscall_64+0x57/0xf0 [ 49.177507][ T346] ? clear_bhb_loop+0x50/0xa0 [ 49.177590][ T346] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.177665][ T346] RIP: 0033:0x7f44430a7407 [ 49.177727][ T346] 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 [ 49.177773][ T346] RSP: 002b:00007ffd9f65b630 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.177839][ T346] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.177884][ T346] RDX: 0000000000080000 RSI: 00007ffd9f65b7b0 RDI: ffffffffffffff9c [ 49.177928][ T346] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 49.177970][ T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000056493622a7f5 [ 49.178005][ T346] R13: 000056493622a7f5 R14: 0000000000000001 R15: 0000564936245140 [ 49.178058][ T346] [ 49.180704][ T346] FAULT_INJECTION: forcing a failure. [ 49.180704][ T346] name failslab, interval 1, probability 10, space 0, times 1 [ 49.187887][ T45] FAULT_INJECTION: forcing a failure. [ 49.187887][ T45] name failslab, interval 1, probability 10, space 0, times 1 [ 49.195893][ T296] FAULT_INJECTION: forcing a failure. [ 49.195893][ T296] name failslab, interval 1, probability 10, space 0, times 1 [ 49.198901][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.198991][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.199036][ T45] Workqueue: usb_hub_wq hub_event [ 49.199137][ T45] Call Trace: [ 49.199159][ T45] [ 49.199184][ T45] __dump_stack+0x21/0x30 [ 49.199286][ T45] dump_stack_lvl+0x140/0x1c0 [ 49.199369][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.199466][ T45] dump_stack+0x19/0x20 [ 49.199544][ T45] should_fail_ex+0x3c2/0x510 [ 49.199612][ T45] ? usb_alloc_urb+0x5f/0x1f0 [ 49.199676][ T45] should_failslab+0xac/0x100 [ 49.199761][ T45] __kmalloc_noprof+0x69/0x510 [ 49.199819][ T45] ? __kasan_kmalloc+0x96/0xb0 [ 49.199919][ T45] ? usb_alloc_urb+0x5f/0x1f0 [ 49.199986][ T45] usb_alloc_urb+0x5f/0x1f0 [ 49.200052][ T45] usb_control_msg+0x12f/0x490 [ 49.200155][ T45] ? __cfi_mutex_lock+0x10/0x10 [ 49.200256][ T45] ? schedule_timeout+0x206/0x3b0 [ 49.200321][ T45] ? __cfi_schedule_timeout+0x10/0x10 [ 49.200392][ T45] hub_ext_port_status+0x10d/0x830 [ 49.200469][ T45] hub_port_debounce+0x1ca/0x260 [ 49.200552][ T45] hub_event+0x1b66/0x4360 [ 49.200629][ T45] ? hub_event+0x1160/0x4360 [ 49.200737][ T45] ? __cfi_hub_event+0x10/0x10 [ 49.200816][ T45] ? kick_pool+0xb9/0x540 [ 49.200901][ T45] process_scheduled_works+0x7f7/0x1060 [ 49.200977][ T45] worker_thread+0xc99/0x13f0 [ 49.201053][ T45] kthread+0x2c7/0x360 [ 49.201119][ T45] ? __cfi_worker_thread+0x10/0x10 [ 49.201177][ T45] ? __cfi_kthread+0x10/0x10 [ 49.201252][ T45] ret_from_fork+0x67/0xa0 [ 49.201339][ T45] ? __cfi_kthread+0x10/0x10 [ 49.201400][ T45] ret_from_fork_asm+0x1a/0x30 [ 49.201465][ T45] [ 49.201660][ T45] hub 6-0:1.0: hub_ext_port_status failed (err = -12) [ 49.211525][ T346] CPU: 0 UID: 0 PID: 346 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.211621][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.211663][ T346] Call Trace: [ 49.211691][ T346] [ 49.211712][ T346] __dump_stack+0x21/0x30 [ 49.211805][ T346] dump_stack_lvl+0x140/0x1c0 [ 49.211877][ T346] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.211958][ T346] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 49.212023][ T346] ? init_file+0x9e/0x210 [ 49.212098][ T346] ? alloc_empty_file+0xd9/0x270 [ 49.212171][ T346] ? path_openat+0xf4/0x35a0 [ 49.212243][ T346] ? do_sys_openat2+0x134/0x1d0 [ 49.212346][ T346] ? __x64_sys_openat+0x13a/0x170 [ 49.212421][ T346] ? x64_sys_call+0xe69/0x2ee0 [ 49.212484][ T346] dump_stack+0x19/0x20 [ 49.212558][ T346] should_fail_ex+0x3c2/0x510 [ 49.212624][ T346] should_failslab+0xac/0x100 [ 49.212695][ T346] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 49.212758][ T346] ? __d_alloc+0x42/0x8c0 [ 49.212821][ T346] __d_alloc+0x42/0x8c0 [ 49.212885][ T346] d_alloc_parallel+0xe4/0x1370 [ 49.212967][ T346] ? make_vfsuid+0x4d/0xa0 [ 49.213039][ T346] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 49.213119][ T346] ? security_inode_permission+0x77/0x150 [ 49.213204][ T346] ? try_to_unlazy+0x62a/0xb50 [ 49.213269][ T346] ? __cfi_d_alloc_parallel+0x10/0x10 [ 49.213330][ T346] ? __kasan_check_write+0x18/0x20 [ 49.213395][ T346] ? down_write+0xee/0x2b0 [ 49.213480][ T346] ? __cfi_down_write+0x10/0x10 [ 49.213572][ T346] path_openat+0xa09/0x35a0 [ 49.213659][ T346] ? x64_sys_call+0xe69/0x2ee0 [ 49.213714][ T346] ? do_filp_open+0x440/0x440 [ 49.213800][ T346] do_filp_open+0x1f2/0x440 [ 49.213875][ T346] ? __cfi_do_filp_open+0x10/0x10 [ 49.213954][ T346] ? alloc_fd+0x4c1/0x570 [ 49.214026][ T346] do_sys_openat2+0x134/0x1d0 [ 49.214109][ T346] ? do_sys_open+0x100/0x100 [ 49.214190][ T346] ? cp_old_stat+0x4d0/0x4d0 [ 49.214274][ T346] __x64_sys_openat+0x13a/0x170 [ 49.214404][ T346] x64_sys_call+0xe69/0x2ee0 [ 49.214464][ T346] do_syscall_64+0x57/0xf0 [ 49.214526][ T346] ? clear_bhb_loop+0x50/0xa0 [ 49.214601][ T346] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.214673][ T346] RIP: 0033:0x7f44430a7407 [ 49.214732][ T346] 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 [ 49.214784][ T346] RSP: 002b:00007ffd9f663710 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.214841][ T346] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 49.214885][ T346] RDX: 0000000000080241 RSI: 00007ffd9f663c70 RDI: ffffffffffffff9c [ 49.214930][ T346] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 49.214972][ T346] R10: 00000000000001b6 R11: 0000000000000202 R12: 000056493622adfc [ 49.215006][ T346] R13: 000056493622adfc R14: 0000000000000001 R15: 0000564936245140 [ 49.215058][ T346] [ 49.217836][ T296] CPU: 0 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 49.217916][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.217956][ T296] Call Trace: [ 49.217976][ T296] [ 49.218000][ T296] __dump_stack+0x21/0x30 [ 49.218085][ T296] dump_stack_lvl+0x140/0x1c0 [ 49.218167][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 49.218251][ T296] dump_stack+0x19/0x20 [ 49.218324][ T296] should_fail_ex+0x3c2/0x510 [ 49.218396][ T296] should_failslab+0xac/0x100 [ 49.218493][ T296] kmem_cache_alloc_node_noprof+0x45/0x420 [ 49.218585][ T296] ? __alloc_skb+0x10c/0x360 [ 49.218660][ T296] __alloc_skb+0x10c/0x360 [ 49.218741][ T296] alloc_uevent_skb+0x85/0x240 [ 49.218815][ T296] kobject_uevent_net_broadcast+0x1b1/0x5e0 [ 49.218886][ T296] kobject_uevent_env+0x551/0x7e0 [ 49.218967][ T296] kobject_uevent+0x21/0x40 [ 49.219033][ T296] __kobject_del+0xd3/0x2c0 [ 49.219103][ T296] kobject_put+0x1ff/0x2a0 [ 49.219161][ T296] net_rx_queue_update_kobjects+0x535/0x5b0 [ 49.219244][ T296] netdev_unregister_kobject+0xf7/0x260 [ 49.219309][ T296] unregister_netdevice_many_notify+0x1678/0x1be0 [ 49.219411][ T296] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 49.219495][ T296] ? __queue_delayed_work+0x18e/0x240 [ 49.219580][ T296] ? __kasan_check_read+0x15/0x20 [ 49.219642][ T296] unregister_netdevice_queue+0x302/0x350 [ 49.219723][ T296] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 49.219796][ T296] ? linkwatch_fire_event+0x212/0x260 [ 49.219888][ T296] __tun_detach+0xc98/0x1450 [ 49.219982][ T296] ? __cfi_tun_chr_close+0x10/0x10 [ 49.220035][ T296] tun_chr_close+0x93/0x150 [ 49.220089][ T296] __fput+0x20b/0xa30 [ 49.220173][ T296] ____fput+0x20/0x30 [ 49.220247][ T296] task_work_run+0x1e8/0x260 [ 49.220321][ T296] ? __cfi_task_work_run+0x10/0x10 [ 49.220401][ T296] ? free_nsproxy+0x223/0x290 [ 49.220487][ T296] do_exit+0xa46/0x2850 [ 49.220562][ T296] ? __cfi_do_exit+0x10/0x10 [ 49.220635][ T296] ? __kasan_check_write+0x18/0x20 [ 49.220695][ T296] ? _raw_spin_lock_irq+0x93/0x120 [ 49.220757][ T296] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 49.220829][ T296] ? zap_other_threads+0x32f/0x370 [ 49.220898][ T296] do_group_exit+0x21f/0x2f0 [ 49.220980][ T296] __x64_sys_exit_group+0x43/0x50 [ 49.221055][ T296] x64_sys_call+0x2ed2/0x2ee0 [ 49.221107][ T296] do_syscall_64+0x57/0xf0 [ 49.221170][ T296] ? clear_bhb_loop+0x50/0xa0 [ 49.221273][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 49.221367][ T296] RIP: 0033:0x7f15c5f9de99 [ 49.221412][ T296] Code: Unable to access opcode bytes at 0x7f15c5f9de6f. [ 49.221443][ T296] RSP: 002b:00007ffd4cc66b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.221506][ T296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c5f9de99 [ 49.221549][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 49.221589][ T296] RBP: 00007f15c6034de7 R08: 0000000000000000 R09: 00000000000927c0 [ 49.221624][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 49.221667][ T296] R13: 00000000000927c0 R14: 000000000000bd80 R15: 00007ffd4cc66cd0 [ 49.221720][ T296] [ 50.322889][ T10] usb 5-1: USB disconnect, device number 2 [ 50.328985][ T330] CPU: 1 UID: 0 PID: 330 Comm: kworker/1:3 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 50.329084][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.329114][ T330] Workqueue: mld mld_dad_work [ 50.329210][ T330] Call Trace: [ 50.329231][ T330] [ 50.329262][ T330] __dump_stack+0x21/0x30 [ 50.329351][ T330] dump_stack_lvl+0x140/0x1c0 [ 50.329435][ T330] ? __cfi_dump_stack_lvl+0x10/0x10 [ 50.329520][ T330] ? __cfi_wg_packet_decrypt_worker+0x10/0x10 [ 50.329606][ T330] dump_stack+0x19/0x20 [ 50.329689][ T330] should_fail_ex+0x3c2/0x510 [ 50.329751][ T330] should_failslab+0xac/0x100 [ 50.329827][ T330] kmem_cache_alloc_node_noprof+0x45/0x420 [ 50.329892][ T330] ? __alloc_skb+0x10c/0x360 [ 50.329974][ T330] ? dequeue_task_fair+0x248/0x640 [ 50.330061][ T330] __alloc_skb+0x10c/0x360 [ 50.330131][ T330] mld_newpack+0x162/0xa10 [ 50.330205][ T330] ? mld_sendpack+0xd10/0xd10 [ 50.330267][ T330] ? __cfi___switch_to+0x10/0x10 [ 50.330299][ T330] add_grec+0xf20/0x1400 [ 50.330334][ T330] ? mutex_lock+0x97/0x1d0 [ 50.330446][ T330] mld_send_initial_cr+0x157/0x320 [ 50.330518][ T330] mld_dad_work+0x3e/0x4e0 [ 50.330582][ T330] process_scheduled_works+0x7f7/0x1060 [ 50.330659][ T330] worker_thread+0xc99/0x13f0 [ 50.330719][ T330] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 50.330787][ T330] ? __kasan_check_read+0x15/0x20 [ 50.330851][ T330] kthread+0x2c7/0x360 [ 50.330917][ T330] ? __cfi_worker_thread+0x10/0x10 [ 50.330974][ T330] ? __cfi_kthread+0x10/0x10 [ 50.331040][ T330] ret_from_fork+0x67/0xa0 [ 50.331104][ T330] ? __cfi_kthread+0x10/0x10 [ 50.331177][ T330] ret_from_fork_asm+0x1a/0x30 [ 50.331245][ T330] [ 63.712340][ T10] FAULT_INJECTION: forcing a failure. [ 63.712340][ T10] name failslab, interval 1, probability 100, space 0, times 99 [ 63.712334][ T385] FAULT_INJECTION: forcing a failure. [ 63.712334][ T385] name failslab, interval 1, probability 100, space 0, times 99 [ 63.712391][ T385] CPU: 1 UID: 0 PID: 385 Comm: syz.4.28 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 63.712520][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.712583][ T385] Call Trace: [ 63.712613][ T385] [ 63.712645][ T385] __dump_stack+0x21/0x30 [ 63.712751][ T385] dump_stack_lvl+0x140/0x1c0 [ 63.712845][ T385] ? __cfi_dump_stack_lvl+0x10/0x10 [ 63.712934][ T385] ? futex_wait+0x2b8/0x7c0 [ 63.712991][ T385] ? __cfi_futex_wait+0x10/0x10 [ 63.713054][ T385] dump_stack+0x19/0x20 [ 63.713138][ T385] should_fail_ex+0x3c2/0x510 [ 63.713211][ T385] should_failslab+0xac/0x100 [ 63.713287][ T385] kmem_cache_alloc_noprof+0x42/0x410 [ 63.713352][ T385] ? do_futex+0x32a/0x510 [ 63.713436][ T385] ? getname_flags+0xcc/0x6b0 [ 63.713509][ T385] getname_flags+0xcc/0x6b0 [ 63.713576][ T385] getname+0x1b/0x30 [ 63.713641][ T385] do_sys_openat2+0xda/0x1d0 [ 63.713735][ T385] ? do_sys_open+0x100/0x100 [ 63.713829][ T385] __x64_sys_openat+0x13a/0x170 [ 63.713943][ T385] x64_sys_call+0xe69/0x2ee0 [ 63.714018][ T385] do_syscall_64+0x57/0xf0 [ 63.714092][ T385] ? clear_bhb_loop+0x50/0xa0 [ 63.714177][ T385] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 63.714259][ T385] RIP: 0033:0x7fe54a19de99 [ 63.714313][ T385] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 63.714366][ T385] RSP: 002b:00007fe548be3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 63.714449][ T385] RAX: ffffffffffffffda RBX: 00007fe54a425fa0 RCX: 00007fe54a19de99 [ 63.714503][ T385] RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c [ 63.714547][ T385] RBP: 00007fe54a233eaf R08: 0000000000000000 R09: 0000000000000000 [ 63.714589][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.714632][ T385] R13: 00007fe54a426038 R14: 00007fe54a425fa0 R15: 00007ffde8063658 [ 63.714688][ T385] [ 63.715894][ T384] FAULT_INJECTION: forcing a failure. [ 63.715894][ T384] name failslab, interval 1, probability 100, space 0, times 98 [ 63.725430][ T295] FAULT_INJECTION: forcing a failure. [ 63.725430][ T295] name failslab, interval 1, probability 100, space 0, times 98 [ 63.738485][ T45] FAULT_INJECTION: forcing a failure. [ 63.738485][ T45] name failslab, interval 1, probability 100, space 0, times 98 [ 63.749732][ T111] FAULT_INJECTION: forcing a failure. [ 63.749732][ T111] name failslab, interval 1, probability 100, space 0, times 98 [ 63.761383][ T385] FAULT_INJECTION: forcing a failure. [ 63.761383][ T385] name failslab, interval 1, probability 100, space 0, times 98 [ 63.768687][ T111] CPU: 0 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 63.768778][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.768846][ T111] Call Trace: [ 63.768875][ T111] [ 63.768913][ T111] __dump_stack+0x21/0x30 [ 63.769014][ T111] dump_stack_lvl+0x140/0x1c0 [ 63.769098][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 63.769187][ T111] dump_stack+0x19/0x20 [ 63.769267][ T111] should_fail_ex+0x3c2/0x510 [ 63.769334][ T111] should_failslab+0xac/0x100 [ 63.769414][ T111] kmem_cache_alloc_noprof+0x42/0x410 [ 63.769473][ T111] ? getname_flags+0xcc/0x6b0 [ 63.769546][ T111] getname_flags+0xcc/0x6b0 [ 63.769613][ T111] getname+0x1b/0x30 [ 63.769677][ T111] do_sys_openat2+0xda/0x1d0 [ 63.769754][ T111] ? do_sys_open+0x100/0x100 [ 63.769850][ T111] __x64_sys_openat+0x13a/0x170 [ 63.769941][ T111] x64_sys_call+0xe69/0x2ee0 [ 63.769995][ T111] do_syscall_64+0x57/0xf0 [ 63.770061][ T111] ? clear_bhb_loop+0x50/0xa0 [ 63.770143][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 63.770221][ T111] RIP: 0033:0x7f44430a7407 [ 63.770266][ T111] 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 [ 63.770287][ T111] RSP: 002b:00007ffd9f6641e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 63.770311][ T111] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 63.770329][ T111] RDX: 0000000000080141 RSI: 000056493622a02e RDI: ffffffffffffff9c [ 63.770372][ T111] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 63.770430][ T111] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 63.770493][ T111] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 63.770556][ T111] [ 63.770610][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 63.770687][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.770732][ T10] Workqueue: usb_hub_wq hub_event [ 63.770820][ T10] Call Trace: [ 63.770842][ T10] [ 63.770865][ T10] __dump_stack+0x21/0x30 [ 63.770953][ T10] dump_stack_lvl+0x140/0x1c0 [ 63.771041][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 63.771124][ T10] dump_stack+0x19/0x20 [ 63.771203][ T10] should_fail_ex+0x3c2/0x510 [ 63.771290][ T10] should_failslab+0xac/0x100 [ 63.771376][ T10] __kmalloc_cache_noprof+0x41/0x470 [ 63.771445][ T10] ? kobject_uevent_env+0x2a3/0x7e0 [ 63.771516][ T10] ? usb_bus_notify+0xb2/0x110 [ 63.771602][ T10] kobject_uevent_env+0x2a3/0x7e0 [ 63.771680][ T10] kobject_uevent+0x21/0x40 [ 63.771750][ T10] device_release_driver_internal+0x75b/0x830 [ 63.771872][ T10] device_release_driver+0x1d/0x30 [ 63.771982][ T10] bus_remove_device+0x34f/0x370 [ 63.772052][ T10] device_del+0x583/0xcf0 [ 63.772145][ T10] ? kfree_const+0x3d/0x50 [ 63.772242][ T10] ? __cfi_device_del+0x10/0x10 [ 63.772322][ T10] ? kobject_put+0x238/0x2a0 [ 63.772389][ T10] ? device_unregister+0x2b/0x40 [ 63.772477][ T10] usb_disconnect+0x62c/0x950 [ 63.772547][ T10] hub_event+0x1ad5/0x4360 [ 63.772642][ T10] ? hub_event+0x1160/0x4360 [ 63.772745][ T10] ? __cfi_hub_event+0x10/0x10 [ 63.772827][ T10] ? kick_pool+0xb9/0x540 [ 63.772906][ T10] process_scheduled_works+0x7f7/0x1060 [ 63.772984][ T10] worker_thread+0xc99/0x13f0 [ 63.773053][ T10] kthread+0x2c7/0x360 [ 63.773123][ T10] ? __cfi_worker_thread+0x10/0x10 [ 63.773189][ T10] ? __cfi_kthread+0x10/0x10 [ 63.773284][ T10] ret_from_fork+0x67/0xa0 [ 63.773389][ T10] ? __cfi_kthread+0x10/0x10 [ 63.773465][ T10] ret_from_fork_asm+0x1a/0x30 [ 63.773524][ T10] [ 63.774862][ T10] FAULT_INJECTION: forcing a failure. [ 63.774862][ T10] name failslab, interval 1, probability 100, space 0, times 97 [ 63.775974][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 63.776053][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.776104][ T295] Call Trace: [ 63.776119][ T295] [ 63.776150][ T295] __dump_stack+0x21/0x30 [ 63.776239][ T295] dump_stack_lvl+0x140/0x1c0 [ 63.776319][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 63.776408][ T295] ? __cfi_vlan_device_event+0x10/0x10 [ 63.776504][ T295] ? pfifo_fast_reset+0x633/0x680 [ 63.776605][ T295] dump_stack+0x19/0x20 [ 63.776691][ T295] should_fail_ex+0x3c2/0x510 [ 63.776760][ T295] should_failslab+0xac/0x100 [ 63.776838][ T295] kmem_cache_alloc_node_noprof+0x45/0x420 [ 63.776912][ T295] ? __alloc_skb+0x10c/0x360 [ 63.776992][ T295] __alloc_skb+0x10c/0x360 [ 63.777077][ T295] rtmsg_ifinfo_build_skb+0x7a/0x270 [ 63.777150][ T295] rtmsg_ifinfo+0x91/0x1a0 [ 63.777217][ T295] dev_close_many+0x27b/0x4f0 [ 63.777274][ T295] ? __cfi_dev_close_many+0x10/0x10 [ 63.777339][ T295] ? __kernel_text_address+0x11/0x40 [ 63.777417][ T295] ? __kasan_check_read+0x15/0x20 [ 63.777481][ T295] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 63.777567][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 63.777629][ T295] ? stack_depot_save_flags+0x38/0x800 [ 63.777704][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 63.777784][ T295] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 63.777861][ T295] ? __kasan_check_write+0x18/0x20 [ 63.777945][ T295] ? queue_delayed_work_on+0x16f/0x1f0 [ 63.778037][ T295] ? netif_carrier_off+0xa6/0xd0 [ 63.778095][ T295] ? __kasan_check_read+0x15/0x20 [ 63.778160][ T295] unregister_netdevice_queue+0x302/0x350 [ 63.778238][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 63.778316][ T295] ? linkwatch_fire_event+0x212/0x260 [ 63.778403][ T295] __tun_detach+0xc98/0x1450 [ 63.778471][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 63.778540][ T295] tun_chr_close+0x93/0x150 [ 63.778588][ T295] __fput+0x20b/0xa30 [ 63.778668][ T295] ____fput+0x20/0x30 [ 63.778750][ T295] task_work_run+0x1e8/0x260 [ 63.778819][ T295] ? __cfi_task_work_run+0x10/0x10 [ 63.778897][ T295] ? free_nsproxy+0x223/0x290 [ 63.778985][ T295] do_exit+0xa46/0x2850 [ 63.779080][ T295] ? __cfi_do_exit+0x10/0x10 [ 63.779158][ T295] ? __kasan_check_write+0x18/0x20 [ 63.779217][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 63.779297][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 63.779382][ T295] ? zap_other_threads+0x32f/0x370 [ 63.779462][ T295] do_group_exit+0x21f/0x2f0 [ 63.779541][ T295] __x64_sys_exit_group+0x43/0x50 [ 63.779620][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 63.779674][ T295] do_syscall_64+0x57/0xf0 [ 63.779739][ T295] ? clear_bhb_loop+0x50/0xa0 [ 63.779823][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 63.779893][ T295] RIP: 0033:0x7f0e8c99de99 [ 63.779947][ T295] Code: Unable to access opcode bytes at 0x7f0e8c99de6f. [ 63.779973][ T295] RSP: 002b:00007ffd214d71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.780038][ T295] RAX: ffffffffffffffda RBX: 00007f0e8ca3332f RCX: 00007f0e8c99de99 [ 63.780099][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 63.780142][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f0e8ca3330a [ 63.780178][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 63.780224][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 63.780242][ T295] [ 63.782314][ T296] FAULT_INJECTION: forcing a failure. [ 63.782314][ T296] name failslab, interval 1, probability 100, space 0, times 96 [ 64.286863][ C0] FAULT_INJECTION: forcing a failure. [ 64.286863][ C0] name failslab, interval 1, probability 100, space 0, times 93 [ 64.287244][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.287337][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.287389][ T296] Call Trace: [ 64.287415][ T296] [ 64.287454][ T296] __dump_stack+0x21/0x30 [ 64.287554][ T296] dump_stack_lvl+0x140/0x1c0 [ 64.287640][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.287718][ T296] ? __kasan_check_write+0x18/0x20 [ 64.287777][ T296] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 64.287871][ T296] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 64.287946][ T296] dump_stack+0x19/0x20 [ 64.288022][ T296] should_fail_ex+0x3c2/0x510 [ 64.288082][ T296] should_failslab+0xac/0x100 [ 64.288165][ T296] kmem_cache_alloc_noprof+0x42/0x410 [ 64.288231][ T296] ? inc_rlimit_get_ucounts+0x3fb/0x470 [ 64.288287][ T296] ? __sigqueue_alloc+0x15e/0x2b0 [ 64.288377][ T296] __sigqueue_alloc+0x15e/0x2b0 [ 64.288454][ T296] __send_signal_locked+0x19d/0xbc0 [ 64.288530][ T296] do_notify_parent+0x7a6/0x960 [ 64.288606][ T296] ? __cfi_do_notify_parent+0x10/0x10 [ 64.288693][ T296] ? __wake_up+0x169/0x190 [ 64.288782][ T296] do_exit+0x17ab/0x2850 [ 64.288894][ T296] ? __cfi_do_exit+0x10/0x10 [ 64.288970][ T296] ? _raw_spin_lock_irq+0x93/0x120 [ 64.289036][ T296] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 64.289107][ T296] ? zap_other_threads+0x32f/0x370 [ 64.289182][ T296] do_group_exit+0x21f/0x2f0 [ 64.289258][ T296] __x64_sys_exit_group+0x43/0x50 [ 64.289338][ T296] x64_sys_call+0x2ed2/0x2ee0 [ 64.289387][ T296] do_syscall_64+0x57/0xf0 [ 64.289460][ T296] ? clear_bhb_loop+0x50/0xa0 [ 64.289538][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.289621][ T296] RIP: 0033:0x7f15c5f9de99 [ 64.289677][ T296] Code: Unable to access opcode bytes at 0x7f15c5f9de6f. [ 64.289709][ T296] RSP: 002b:00007ffd4cc66b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.289776][ T296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c5f9de99 [ 64.289821][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 64.289856][ T296] RBP: 00007f15c6034de7 R08: 0000000000000000 R09: 00000000000927c0 [ 64.289898][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 64.289940][ T296] R13: 00000000000927c0 R14: 000000000000bd80 R15: 00007ffd4cc66cd0 [ 64.289987][ T296] [ 64.293106][ T295] FAULT_INJECTION: forcing a failure. [ 64.293106][ T295] name failslab, interval 1, probability 100, space 0, times 91 [ 64.296535][ C0] CPU: 0 UID: 0 PID: 336 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.296621][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.296674][ C0] Call Trace: [ 64.296689][ C0] [ 64.296728][ C0] __dump_stack+0x21/0x30 [ 64.296812][ C0] dump_stack_lvl+0x140/0x1c0 [ 64.296899][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.296985][ C0] ? __cfi___update_load_avg_cfs_rq+0x10/0x10 [ 64.297079][ C0] dump_stack+0x19/0x20 [ 64.297163][ C0] should_fail_ex+0x3c2/0x510 [ 64.297235][ C0] should_failslab+0xac/0x100 [ 64.297310][ C0] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.297376][ C0] ? __alloc_skb+0x10c/0x360 [ 64.297455][ C0] __alloc_skb+0x10c/0x360 [ 64.297530][ C0] ndisc_send_rs+0x322/0x880 [ 64.297594][ C0] ? ipv6_get_lladdr+0x1c2/0x200 [ 64.297674][ C0] addrconf_rs_timer+0x362/0x620 [ 64.297749][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 64.297825][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 64.297887][ C0] call_timer_fn+0x4c/0x300 [ 64.297965][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 64.298044][ C0] __run_timer_base+0x6c0/0x9b0 [ 64.298152][ C0] ? timer_expire_remote+0xa0/0xa0 [ 64.298220][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 64.298317][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 64.298404][ C0] run_timer_softirq+0x35/0x70 [ 64.298480][ C0] handle_softirqs+0x1aa/0x620 [ 64.298546][ C0] __irq_exit_rcu+0x47/0xb0 [ 64.298601][ C0] irq_exit_rcu+0xd/0x30 [ 64.298655][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 64.298741][ C0] [ 64.298764][ C0] [ 64.298786][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 64.298844][ C0] RIP: 0010:queued_read_lock_slowpath+0x133/0x390 [ 64.298873][ C0] Code: 29 48 89 df e8 6e 35 3a fc eb 1f f3 90 43 0f b6 04 27 84 c0 74 14 89 d9 80 e1 07 80 c1 03 38 c1 7c 08 48 89 df e8 4d 35 3a fc <8b> 03 84 c0 75 db 48 c7 c0 c0 8f 4e 87 48 c1 e8 03 42 80 3c 20 00 [ 64.299065][ C0] RSP: 0018:ffffc900011bfb00 EFLAGS: 00000246 [ 64.299130][ C0] RAX: 0000000000000000 RBX: ffffffff8740a040 RCX: ffffffff85a5fbf7 [ 64.299182][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8740a040 [ 64.299225][ C0] RBP: ffffc900011bfba0 R08: ffffffff8740a043 R09: 1ffffffff0e81408 [ 64.299269][ C0] R10: dffffc0000000000 R11: fffffbfff0e81409 R12: dffffc0000000000 [ 64.299322][ C0] R13: 1ffff92000237f60 R14: ffffffff8740a044 R15: 1ffffffff0e81408 [ 64.299378][ C0] ? queued_read_lock_slowpath+0xe7/0x390 [ 64.299485][ C0] ? __cfi_queued_read_lock_slowpath+0x10/0x10 [ 64.299581][ C0] _raw_read_lock+0x3d/0x40 [ 64.299647][ C0] __do_wait+0xd7/0x750 [ 64.299722][ C0] ? add_wait_queue+0x18a/0x1d0 [ 64.299795][ C0] do_wait+0x10f/0x380 [ 64.299872][ C0] kernel_wait4+0x1d5/0x2c0 [ 64.299956][ C0] ? hrtimer_init_sleeper+0x3e/0x180 [ 64.300051][ C0] ? __cfi_kernel_wait4+0x10/0x10 [ 64.300133][ C0] ? hrtimer_nanosleep+0x265/0x340 [ 64.300219][ C0] ? __cfi_child_wait_callback+0x10/0x10 [ 64.300306][ C0] ? __cfi_hrtimer_wakeup+0x10/0x10 [ 64.300369][ C0] __x64_sys_wait4+0x167/0x240 [ 64.300454][ C0] ? __cfi___x64_sys_wait4+0x10/0x10 [ 64.300536][ C0] ? __kasan_check_write+0x18/0x20 [ 64.300603][ C0] ? fpregs_restore_userregs+0x11c/0x260 [ 64.300673][ C0] ? switch_fpu_return+0x12/0x20 [ 64.300748][ C0] x64_sys_call+0x253c/0x2ee0 [ 64.300813][ C0] do_syscall_64+0x57/0xf0 [ 64.300880][ C0] ? clear_bhb_loop+0x50/0xa0 [ 64.300956][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.301043][ C0] RIP: 0033:0x7fe54a159017 [ 64.301097][ 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 [ 64.301144][ C0] RSP: 002b:00007ffde8063970 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 64.301166][ C0] RAX: ffffffffffffffda RBX: 0000555564fdf500 RCX: 00007fe54a159017 [ 64.301182][ C0] RDX: 0000000040000001 RSI: 00007ffde80639fc RDI: ffffffffffffffff [ 64.301200][ C0] RBP: 00007ffde80639fc R08: 0000000000000000 R09: 0000000000000000 [ 64.301234][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000001388 [ 64.301292][ C0] R13: 00000000000927c0 R14: 000000000000f906 R15: 00007ffde8063a50 [ 64.301365][ C0] [ 64.301735][ T111] FAULT_INJECTION: forcing a failure. [ 64.301735][ T111] name failslab, interval 1, probability 100, space 0, times 89 [ 64.310873][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.310907][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.310924][ T45] Workqueue: mld mld_dad_work [ 64.310997][ T45] Call Trace: [ 64.311034][ T45] [ 64.311087][ T45] __dump_stack+0x21/0x30 [ 64.311193][ T45] dump_stack_lvl+0x140/0x1c0 [ 64.311272][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.311359][ T45] ? __kasan_check_read+0x15/0x20 [ 64.311445][ T45] dump_stack+0x19/0x20 [ 64.311533][ T45] should_fail_ex+0x3c2/0x510 [ 64.311601][ T45] should_failslab+0xac/0x100 [ 64.311668][ T45] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.311734][ T45] ? __alloc_skb+0x10c/0x360 [ 64.311819][ T45] __alloc_skb+0x10c/0x360 [ 64.311895][ T45] mld_newpack+0x162/0xa10 [ 64.311960][ T45] ? mld_sendpack+0xd10/0xd10 [ 64.312017][ T45] ? __cfi___switch_to+0x10/0x10 [ 64.312108][ T45] add_grec+0xf20/0x1400 [ 64.312181][ T45] ? mutex_lock+0x97/0x1d0 [ 64.312260][ T45] mld_send_initial_cr+0x157/0x320 [ 64.312325][ T45] mld_dad_work+0x3e/0x4e0 [ 64.312398][ T45] process_scheduled_works+0x7f7/0x1060 [ 64.312504][ T45] worker_thread+0xc99/0x13f0 [ 64.312588][ T45] kthread+0x2c7/0x360 [ 64.312652][ T45] ? __cfi_worker_thread+0x10/0x10 [ 64.312715][ T45] ? __cfi_kthread+0x10/0x10 [ 64.312780][ T45] ret_from_fork+0x67/0xa0 [ 64.312865][ T45] ? __cfi_kthread+0x10/0x10 [ 64.312931][ T45] ret_from_fork_asm+0x1a/0x30 [ 64.312998][ T45] [ 64.313033][ T45] FAULT_INJECTION: forcing a failure. [ 64.313033][ T45] name failslab, interval 1, probability 100, space 0, times 88 [ 64.315354][ T111] CPU: 0 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.315450][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.315483][ T111] Call Trace: [ 64.315516][ T111] [ 64.315551][ T111] __dump_stack+0x21/0x30 [ 64.315628][ T111] dump_stack_lvl+0x140/0x1c0 [ 64.315711][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.315793][ T111] ? _raw_spin_trylock+0xb5/0x140 [ 64.315858][ T111] ? __cfi__raw_spin_trylock+0x10/0x10 [ 64.315928][ T111] dump_stack+0x19/0x20 [ 64.316010][ T111] should_fail_ex+0x3c2/0x510 [ 64.316073][ T111] ? devkmsg_write+0x1a0/0x470 [ 64.316145][ T111] should_failslab+0xac/0x100 [ 64.316220][ T111] __kmalloc_noprof+0x69/0x510 [ 64.316284][ T111] ? devkmsg_write+0x1a0/0x470 [ 64.316352][ T111] ? __cfi_avc_has_perm+0x10/0x10 [ 64.316420][ T111] devkmsg_write+0x1a0/0x470 [ 64.316488][ T111] ? __cfi_devkmsg_write+0x10/0x10 [ 64.316556][ T111] ? selinux_file_permission+0x8a4/0xb60 [ 64.316619][ T111] do_iter_readv_writev+0x629/0x820 [ 64.316685][ T111] ? vfs_iter_read+0x5e0/0x5e0 [ 64.316754][ T111] ? bpf_lsm_file_permission+0xd/0x20 [ 64.316840][ T111] vfs_writev+0x4a5/0xe90 [ 64.316923][ T111] ? should_fail_ex+0x2a6/0x510 [ 64.317012][ T111] ? do_writev+0x2e0/0x2e0 [ 64.317098][ T111] ? __kasan_check_read+0x15/0x20 [ 64.317157][ T111] do_writev+0x151/0x2e0 [ 64.317231][ T111] ? vfs_readv+0xa00/0xa00 [ 64.317308][ T111] ? __kasan_check_read+0x15/0x20 [ 64.317372][ T111] __x64_sys_writev+0x81/0x90 [ 64.317437][ T111] x64_sys_call+0x1fbb/0x2ee0 [ 64.317485][ T111] do_syscall_64+0x57/0xf0 [ 64.317553][ T111] ? clear_bhb_loop+0x50/0xa0 [ 64.317630][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.317708][ T111] RIP: 0033:0x7f44430a7407 [ 64.317771][ T111] 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 [ 64.317825][ T111] RSP: 002b:00007ffd9f6637d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 64.317884][ T111] RAX: ffffffffffffffda RBX: 00007f444377e880 RCX: 00007f44430a7407 [ 64.317929][ T111] RDX: 0000000000000005 RSI: 00007ffd9f663890 RDI: 0000000000000005 [ 64.317972][ T111] RBP: 00007ffd9f6639c0 R08: 0000000000000000 R09: 0000000000000000 [ 64.318021][ T111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f663890 [ 64.318057][ T111] R13: 00007ffd9f663920 R14: 0000000000000000 R15: 00007ffd9f663900 [ 64.318113][ T111] [ 64.318254][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.318357][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.318409][ T10] Workqueue: usb_hub_wq hub_event [ 64.318485][ T10] Call Trace: [ 64.318508][ T10] [ 64.318532][ T10] __dump_stack+0x21/0x30 [ 64.318621][ T10] dump_stack_lvl+0x140/0x1c0 [ 64.318709][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.318797][ T10] ? __kasan_check_write+0x18/0x20 [ 64.318863][ T10] dump_stack+0x19/0x20 [ 64.318944][ T10] should_fail_ex+0x3c2/0x510 [ 64.319030][ T10] should_failslab+0xac/0x100 [ 64.319108][ T10] __kmalloc_cache_noprof+0x41/0x470 [ 64.319175][ T10] ? kobject_uevent_env+0x2a3/0x7e0 [ 64.319253][ T10] ? usb_bus_notify+0xb2/0x110 [ 64.319321][ T10] kobject_uevent_env+0x2a3/0x7e0 [ 64.319402][ T10] kobject_uevent+0x21/0x40 [ 64.319481][ T10] device_del+0xb7f/0xcf0 [ 64.319564][ T10] ? kfree_const+0x3d/0x50 [ 64.319669][ T10] ? __cfi_device_del+0x10/0x10 [ 64.319756][ T10] ? kobject_put+0x238/0x2a0 [ 64.319822][ T10] ? device_unregister+0x2b/0x40 [ 64.319911][ T10] usb_disconnect+0x62c/0x950 [ 64.319964][ T10] hub_event+0x1ad5/0x4360 [ 64.320020][ T10] ? hub_event+0x1160/0x4360 [ 64.320163][ T10] ? __cfi_hub_event+0x10/0x10 [ 64.320259][ T10] ? kick_pool+0xb9/0x540 [ 64.320337][ T10] process_scheduled_works+0x7f7/0x1060 [ 64.320416][ T10] worker_thread+0xc99/0x13f0 [ 64.320498][ T10] kthread+0x2c7/0x360 [ 64.320567][ T10] ? __cfi_worker_thread+0x10/0x10 [ 64.320633][ T10] ? __cfi_kthread+0x10/0x10 [ 64.320703][ T10] ret_from_fork+0x67/0xa0 [ 64.320792][ T10] ? __cfi_kthread+0x10/0x10 [ 64.320861][ T10] ret_from_fork_asm+0x1a/0x30 [ 64.320926][ T10] [ 64.321096][ T10] FAULT_INJECTION: forcing a failure. [ 64.321096][ T10] name failslab, interval 1, probability 100, space 0, times 87 [ 64.324823][ T384] CPU: 1 UID: 0 PID: 384 Comm: syz.4.28 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.324940][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.324987][ T384] Call Trace: [ 64.325009][ T384] [ 64.325031][ T384] __dump_stack+0x21/0x30 [ 64.325119][ T384] dump_stack_lvl+0x140/0x1c0 [ 64.325196][ T384] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.325290][ T384] dump_stack+0x19/0x20 [ 64.325367][ T384] should_fail_ex+0x3c2/0x510 [ 64.325433][ T384] should_failslab+0xac/0x100 [ 64.325519][ T384] kmem_cache_alloc_noprof+0x42/0x410 [ 64.325585][ T384] ? __kasan_check_write+0x18/0x20 [ 64.325640][ T384] ? taskstats_exit+0x161/0xb50 [ 64.325718][ T384] ? acct_update_integrals+0x2e5/0x330 [ 64.325805][ T384] taskstats_exit+0x161/0xb50 [ 64.325881][ T384] ? _raw_spin_unlock_irq+0x45/0x70 [ 64.325955][ T384] do_exit+0x7f7/0x2850 [ 64.326025][ T384] ? preempt_schedule_common+0x2d/0x60 [ 64.326103][ T384] ? __cfi_preempt_schedule+0x10/0x10 [ 64.326177][ T384] ? __cfi_do_exit+0x10/0x10 [ 64.326260][ T384] ? __kasan_check_write+0x18/0x20 [ 64.326349][ T384] do_group_exit+0x21f/0x2f0 [ 64.326436][ T384] __x64_sys_exit_group+0x43/0x50 [ 64.326523][ T384] x64_sys_call+0x2ed2/0x2ee0 [ 64.326579][ T384] do_syscall_64+0x57/0xf0 [ 64.326644][ T384] ? clear_bhb_loop+0x50/0xa0 [ 64.326726][ T384] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.326803][ T384] RIP: 0033:0x7fe54a19de99 [ 64.326859][ T384] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 64.326914][ T384] RSP: 002b:00007ffde8063998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.326995][ T384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe54a19de99 [ 64.327039][ T384] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.327081][ T384] RBP: 00007ffde80639fc R08: 0000000000000000 R09: 00000000000927c0 [ 64.327124][ T384] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003 [ 64.327159][ T384] R13: 00000000000927c0 R14: 000000000000c497 R15: 00007ffde8063a50 [ 64.327213][ T384] [ 64.327315][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.327396][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.327437][ T295] Call Trace: [ 64.327452][ T295] [ 64.327473][ T295] __dump_stack+0x21/0x30 [ 64.327560][ T295] dump_stack_lvl+0x140/0x1c0 [ 64.327659][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.327759][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 64.327824][ T295] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 64.327899][ T295] dump_stack+0x19/0x20 [ 64.327977][ T295] should_fail_ex+0x3c2/0x510 [ 64.328039][ T295] should_failslab+0xac/0x100 [ 64.328109][ T295] __kmalloc_cache_noprof+0x41/0x470 [ 64.328173][ T295] ? __try_to_del_timer_sync+0x2e8/0x440 [ 64.328249][ T295] ? nf_nat_masq_schedule+0x245/0x5f0 [ 64.328327][ T295] nf_nat_masq_schedule+0x245/0x5f0 [ 64.328403][ T295] ? __cfi_device_cmp+0x10/0x10 [ 64.328488][ T295] ? masq_device_event+0xe0/0xe0 [ 64.328564][ T295] ? __kasan_check_read+0x15/0x20 [ 64.328620][ T295] ? nfqnl_rcv_dev_event+0x37a/0x3c0 [ 64.328697][ T295] ? __cfi_masq_device_event+0x10/0x10 [ 64.328772][ T295] masq_device_event+0x9f/0xe0 [ 64.328841][ T295] notifier_call_chain+0x106/0x2b0 [ 64.328906][ T295] raw_notifier_call_chain+0x31/0x40 [ 64.328968][ T295] dev_close_many+0x332/0x4f0 [ 64.329029][ T295] ? __cfi_dev_close_many+0x10/0x10 [ 64.329126][ T295] ? __kasan_check_read+0x15/0x20 [ 64.329149][ T295] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 64.329208][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 64.329310][ T295] ? stack_depot_save_flags+0x38/0x800 [ 64.329392][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 64.329489][ T295] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 64.329554][ T295] ? __kasan_check_write+0x18/0x20 [ 64.329610][ T295] ? queue_delayed_work_on+0x16f/0x1f0 [ 64.329685][ T295] ? netif_carrier_off+0xa6/0xd0 [ 64.329741][ T295] ? __kasan_check_read+0x15/0x20 [ 64.329805][ T295] unregister_netdevice_queue+0x302/0x350 [ 64.329879][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 64.329955][ T295] ? linkwatch_fire_event+0x212/0x260 [ 64.330030][ T295] __tun_detach+0xc98/0x1450 [ 64.330093][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 64.330145][ T295] tun_chr_close+0x93/0x150 [ 64.330197][ T295] __fput+0x20b/0xa30 [ 64.330281][ T295] ____fput+0x20/0x30 [ 64.330357][ T295] task_work_run+0x1e8/0x260 [ 64.330433][ T295] ? __cfi_task_work_run+0x10/0x10 [ 64.330518][ T295] ? free_nsproxy+0x223/0x290 [ 64.330598][ T295] do_exit+0xa46/0x2850 [ 64.330698][ T295] ? __cfi_do_exit+0x10/0x10 [ 64.330791][ T295] ? __kasan_check_write+0x18/0x20 [ 64.330854][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 64.330922][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 64.330981][ T295] ? zap_other_threads+0x32f/0x370 [ 64.331056][ T295] do_group_exit+0x21f/0x2f0 [ 64.331132][ T295] __x64_sys_exit_group+0x43/0x50 [ 64.331208][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 64.331262][ T295] do_syscall_64+0x57/0xf0 [ 64.331329][ T295] ? clear_bhb_loop+0x50/0xa0 [ 64.331414][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.331484][ T295] RIP: 0033:0x7f0e8c99de99 [ 64.331530][ T295] Code: Unable to access opcode bytes at 0x7f0e8c99de6f. [ 64.331564][ T295] RSP: 002b:00007ffd214d71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.331628][ T295] RAX: ffffffffffffffda RBX: 00007f0e8ca3332f RCX: 00007f0e8c99de99 [ 64.331672][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 64.331712][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f0e8ca3330a [ 64.331748][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 64.331792][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 64.331846][ T295] [ 64.332043][ T295] FAULT_INJECTION: forcing a failure. [ 64.332043][ T295] name failslab, interval 1, probability 100, space 0, times 86 [ 64.335251][ T111] FAULT_INJECTION: forcing a failure. [ 64.335251][ T111] name failslab, interval 1, probability 100, space 0, times 85 [ 64.339427][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.339515][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.339566][ T295] Call Trace: [ 64.339600][ T295] [ 64.339630][ T295] __dump_stack+0x21/0x30 [ 64.339726][ T295] dump_stack_lvl+0x140/0x1c0 [ 64.339806][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.339885][ T295] ? __kasan_check_write+0x18/0x20 [ 64.339953][ T295] ? __kasan_check_read+0x15/0x20 [ 64.340003][ T295] dump_stack+0x19/0x20 [ 64.340080][ T295] should_fail_ex+0x3c2/0x510 [ 64.340147][ T295] should_failslab+0xac/0x100 [ 64.340222][ T295] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.340279][ T295] ? __kasan_check_write+0x18/0x20 [ 64.340336][ T295] ? __alloc_skb+0x10c/0x360 [ 64.340416][ T295] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 64.340484][ T295] __alloc_skb+0x10c/0x360 [ 64.340569][ T295] inet6_rt_notify+0x351/0x520 [ 64.340636][ T295] ? __cfi_inet6_rt_notify+0x10/0x10 [ 64.340692][ T295] ? call_fib_notifiers+0xa4/0xc0 [ 64.340756][ T295] fib6_del+0xba0/0xf50 [ 64.340836][ T295] ? __cfi_fib6_del+0x10/0x10 [ 64.340928][ T295] ? _raw_spin_unlock+0x45/0x60 [ 64.341002][ T295] ? finish_task_switch+0x139/0x770 [ 64.341090][ T295] ? fib6_ifdown+0x2f1/0x4f0 [ 64.341144][ T295] fib6_clean_node+0x2b9/0x560 [ 64.341227][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 64.341313][ T295] ? __sched_text_start+0x10/0x10 [ 64.341389][ T295] fib6_walk_continue+0x518/0x740 [ 64.341485][ T295] __fib6_clean_all+0x2a2/0x440 [ 64.341563][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.341619][ T295] ? fib6_clean_all+0x50/0x50 [ 64.341703][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 64.341798][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.341863][ T295] ? dump_stack_lvl+0x16b/0x1c0 [ 64.341941][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.341999][ T295] fib6_clean_all+0x2e/0x50 [ 64.342068][ T295] rt6_disable_ip+0x124/0x810 [ 64.342133][ T295] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 64.342208][ T295] ? __cfi_rt6_disable_ip+0x10/0x10 [ 64.342264][ T295] ? __kasan_check_read+0x15/0x20 [ 64.342343][ T295] addrconf_ifdown+0x161/0x1970 [ 64.342423][ T295] ? __kmalloc_cache_noprof+0x23c/0x470 [ 64.342497][ T295] ? __try_to_del_timer_sync+0x2e8/0x440 [ 64.342575][ T295] ? addrconf_cleanup+0x150/0x150 [ 64.342631][ T295] ? __kasan_check_write+0x18/0x20 [ 64.342694][ T295] ? mutex_unlock+0x90/0x240 [ 64.342773][ T295] ? __cfi_mutex_unlock+0x10/0x10 [ 64.342849][ T295] ? __cfi_device_cmp+0x10/0x10 [ 64.342916][ T295] ? masq_device_event+0xe0/0xe0 [ 64.342995][ T295] addrconf_notify+0x17a/0xeb0 [ 64.343062][ T295] ? ip6mr_device_event+0x1ed/0x230 [ 64.343116][ T295] ? __cfi_addrconf_notify+0x10/0x10 [ 64.343183][ T295] notifier_call_chain+0x106/0x2b0 [ 64.343249][ T295] raw_notifier_call_chain+0x31/0x40 [ 64.343306][ T295] dev_close_many+0x332/0x4f0 [ 64.343368][ T295] ? __cfi_dev_close_many+0x10/0x10 [ 64.343425][ T295] ? __kasan_check_read+0x15/0x20 [ 64.343503][ T295] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 64.343589][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 64.343648][ T295] ? stack_depot_save_flags+0x38/0x800 [ 64.343738][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 64.343828][ T295] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 64.343894][ T295] ? __kasan_check_write+0x18/0x20 [ 64.343951][ T295] ? queue_delayed_work_on+0x16f/0x1f0 [ 64.344030][ T295] ? netif_carrier_off+0xa6/0xd0 [ 64.344096][ T295] ? __kasan_check_read+0x15/0x20 [ 64.344153][ T295] unregister_netdevice_queue+0x302/0x350 [ 64.344231][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 64.344311][ T295] ? linkwatch_fire_event+0x212/0x260 [ 64.344399][ T295] __tun_detach+0xc98/0x1450 [ 64.344468][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 64.344532][ T295] tun_chr_close+0x93/0x150 [ 64.344588][ T295] __fput+0x20b/0xa30 [ 64.344668][ T295] ____fput+0x20/0x30 [ 64.344743][ T295] task_work_run+0x1e8/0x260 [ 64.344832][ T295] ? __cfi_task_work_run+0x10/0x10 [ 64.344908][ T295] ? free_nsproxy+0x223/0x290 [ 64.344996][ T295] do_exit+0xa46/0x2850 [ 64.345105][ T295] ? __cfi_do_exit+0x10/0x10 [ 64.345183][ T295] ? __kasan_check_write+0x18/0x20 [ 64.345239][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 64.345306][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 64.345374][ T295] ? zap_other_threads+0x32f/0x370 [ 64.345451][ T295] do_group_exit+0x21f/0x2f0 [ 64.345540][ T295] __x64_sys_exit_group+0x43/0x50 [ 64.345619][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 64.345676][ T295] do_syscall_64+0x57/0xf0 [ 64.345741][ T295] ? clear_bhb_loop+0x50/0xa0 [ 64.345819][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.345896][ T295] RIP: 0033:0x7f0e8c99de99 [ 64.345949][ T295] Code: Unable to access opcode bytes at 0x7f0e8c99de6f. [ 64.345975][ T295] RSP: 002b:00007ffd214d71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.346032][ T295] RAX: ffffffffffffffda RBX: 00007f0e8ca3332f RCX: 00007f0e8c99de99 [ 64.346075][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 64.346110][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f0e8ca3330a [ 64.346154][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 64.346197][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 64.346243][ T295] [ 64.346362][ T295] FAULT_INJECTION: forcing a failure. [ 64.346362][ T295] name failslab, interval 1, probability 100, space 0, times 84 [ 64.348652][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.348776][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.348840][ T10] Workqueue: usb_hub_wq hub_event [ 64.348935][ T10] Call Trace: [ 64.348957][ T10] [ 64.348980][ T10] __dump_stack+0x21/0x30 [ 64.349074][ T10] dump_stack_lvl+0x140/0x1c0 [ 64.349154][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.349250][ T10] dump_stack+0x19/0x20 [ 64.349329][ T10] should_fail_ex+0x3c2/0x510 [ 64.349406][ T10] should_failslab+0xac/0x100 [ 64.349478][ T10] __kmalloc_cache_noprof+0x41/0x470 [ 64.349544][ T10] ? usb_control_msg+0x83/0x490 [ 64.349613][ T10] usb_control_msg+0x83/0x490 [ 64.349687][ T10] ? __cfi_mutex_lock+0x10/0x10 [ 64.349760][ T10] hub_ext_port_status+0x10d/0x830 [ 64.349834][ T10] hub_port_debounce+0x56/0x260 [ 64.349917][ T10] hub_event+0x1b66/0x4360 [ 64.350000][ T10] ? hub_event+0x1160/0x4360 [ 64.350100][ T10] ? __cfi_hub_event+0x10/0x10 [ 64.350214][ T10] ? kick_pool+0xb9/0x540 [ 64.350297][ T10] process_scheduled_works+0x7f7/0x1060 [ 64.350366][ T10] worker_thread+0xc99/0x13f0 [ 64.350443][ T10] kthread+0x2c7/0x360 [ 64.350503][ T10] ? __cfi_worker_thread+0x10/0x10 [ 64.350569][ T10] ? __cfi_kthread+0x10/0x10 [ 64.350638][ T10] ret_from_fork+0x67/0xa0 [ 64.350726][ T10] ? __cfi_kthread+0x10/0x10 [ 64.350794][ T10] ret_from_fork_asm+0x1a/0x30 [ 64.350857][ T10] [ 64.350900][ T10] hub 5-0:1.0: hub_ext_port_status failed (err = -12) [ 64.353276][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.353363][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.353411][ T295] Call Trace: [ 64.353444][ T295] [ 64.353483][ T295] __dump_stack+0x21/0x30 [ 64.353563][ T295] dump_stack_lvl+0x140/0x1c0 [ 64.353641][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.353722][ T295] ? ____fput+0x20/0x30 [ 64.353802][ T295] dump_stack+0x19/0x20 [ 64.353879][ T295] should_fail_ex+0x3c2/0x510 [ 64.353946][ T295] should_failslab+0xac/0x100 [ 64.354017][ T295] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.354081][ T295] ? __kasan_check_write+0x18/0x20 [ 64.354136][ T295] ? __alloc_skb+0x10c/0x360 [ 64.354205][ T295] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 64.354270][ T295] __alloc_skb+0x10c/0x360 [ 64.354348][ T295] inet6_rt_notify+0x351/0x520 [ 64.354413][ T295] ? __cfi_inet6_rt_notify+0x10/0x10 [ 64.354479][ T295] ? call_fib_notifiers+0xa4/0xc0 [ 64.354537][ T295] fib6_del+0xba0/0xf50 [ 64.354624][ T295] ? __cfi_fib6_del+0x10/0x10 [ 64.354699][ T295] ? _raw_spin_unlock+0x45/0x60 [ 64.354772][ T295] ? finish_task_switch+0x139/0x770 [ 64.354874][ T295] ? fib6_ifdown+0x2f1/0x4f0 [ 64.354937][ T295] fib6_clean_node+0x2b9/0x560 [ 64.355022][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 64.355105][ T295] ? __sched_text_start+0x10/0x10 [ 64.355178][ T295] fib6_walk_continue+0x518/0x740 [ 64.355257][ T295] __fib6_clean_all+0x2a2/0x440 [ 64.355340][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.355395][ T295] ? fib6_clean_all+0x50/0x50 [ 64.355482][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 64.355566][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.355628][ T295] ? dump_stack_lvl+0x16b/0x1c0 [ 64.355704][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 64.355756][ T295] fib6_clean_all+0x2e/0x50 [ 64.355831][ T295] rt6_disable_ip+0x124/0x810 [ 64.355895][ T295] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 64.355961][ T295] ? __cfi_rt6_disable_ip+0x10/0x10 [ 64.356012][ T295] ? __kasan_check_read+0x15/0x20 [ 64.356075][ T295] addrconf_ifdown+0x161/0x1970 [ 64.356138][ T295] ? __kmalloc_cache_noprof+0x23c/0x470 [ 64.356227][ T295] ? __try_to_del_timer_sync+0x2e8/0x440 [ 64.356325][ T295] ? addrconf_cleanup+0x150/0x150 [ 64.356373][ T295] ? __kasan_check_write+0x18/0x20 [ 64.356428][ T295] ? mutex_unlock+0x90/0x240 [ 64.356509][ T295] ? __cfi_mutex_unlock+0x10/0x10 [ 64.356594][ T295] ? __cfi_device_cmp+0x10/0x10 [ 64.356669][ T295] ? masq_device_event+0xe0/0xe0 [ 64.356748][ T295] addrconf_notify+0x17a/0xeb0 [ 64.356817][ T295] ? ip6mr_device_event+0x1ed/0x230 [ 64.356873][ T295] ? __cfi_addrconf_notify+0x10/0x10 [ 64.356947][ T295] notifier_call_chain+0x106/0x2b0 [ 64.357007][ T295] raw_notifier_call_chain+0x31/0x40 [ 64.357070][ T295] dev_close_many+0x332/0x4f0 [ 64.357134][ T295] ? __cfi_dev_close_many+0x10/0x10 [ 64.357200][ T295] ? __kasan_check_read+0x15/0x20 [ 64.357257][ T295] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 64.357336][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 64.357410][ T295] ? stack_depot_save_flags+0x38/0x800 [ 64.357487][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 64.357573][ T295] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 64.357647][ T295] ? __kasan_check_write+0x18/0x20 [ 64.357706][ T295] ? queue_delayed_work_on+0x16f/0x1f0 [ 64.357737][ T295] ? netif_carrier_off+0xa6/0xd0 [ 64.357821][ T295] ? __kasan_check_read+0x15/0x20 [ 64.357922][ T295] unregister_netdevice_queue+0x302/0x350 [ 64.358016][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 64.358093][ T295] ? linkwatch_fire_event+0x212/0x260 [ 64.358182][ T295] __tun_detach+0xc98/0x1450 [ 64.358248][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 64.358302][ T295] tun_chr_close+0x93/0x150 [ 64.358364][ T295] __fput+0x20b/0xa30 [ 64.358440][ T295] ____fput+0x20/0x30 [ 64.358528][ T295] task_work_run+0x1e8/0x260 [ 64.358606][ T295] ? __cfi_task_work_run+0x10/0x10 [ 64.358675][ T295] ? free_nsproxy+0x223/0x290 [ 64.358762][ T295] do_exit+0xa46/0x2850 [ 64.358838][ T295] ? __cfi_do_exit+0x10/0x10 [ 64.358906][ T295] ? __kasan_check_write+0x18/0x20 [ 64.358964][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 64.359023][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 64.359088][ T295] ? zap_other_threads+0x32f/0x370 [ 64.359156][ T295] do_group_exit+0x21f/0x2f0 [ 64.359258][ T295] __x64_sys_exit_group+0x43/0x50 [ 64.359357][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 64.359412][ T295] do_syscall_64+0x57/0xf0 [ 64.359477][ T295] ? clear_bhb_loop+0x50/0xa0 [ 64.359546][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.359623][ T295] RIP: 0033:0x7f0e8c99de99 [ 64.359667][ T295] Code: Unable to access opcode bytes at 0x7f0e8c99de6f. [ 64.359700][ T295] RSP: 002b:00007ffd214d71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.359764][ T295] RAX: ffffffffffffffda RBX: 00007f0e8ca3332f RCX: 00007f0e8c99de99 [ 64.359810][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 64.359851][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f0e8ca3330a [ 64.359887][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 64.359930][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 64.359977][ T295] [ 64.360373][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.360453][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.360507][ T45] Workqueue: mld mld_dad_work [ 64.360572][ T45] Call Trace: [ 64.360602][ T45] [ 64.360631][ T45] __dump_stack+0x21/0x30 [ 64.360735][ T45] dump_stack_lvl+0x140/0x1c0 [ 64.360820][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.360898][ T45] ? __kasan_check_read+0x15/0x20 [ 64.360962][ T45] dump_stack+0x19/0x20 [ 64.361028][ T45] should_fail_ex+0x3c2/0x510 [ 64.361103][ T45] should_failslab+0xac/0x100 [ 64.361181][ T45] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.361245][ T45] ? __alloc_skb+0x10c/0x360 [ 64.361325][ T45] __alloc_skb+0x10c/0x360 [ 64.361405][ T45] mld_newpack+0x162/0xa10 [ 64.361485][ T45] ? mld_sendpack+0xd10/0xd10 [ 64.361551][ T45] ? __cfi___switch_to+0x10/0x10 [ 64.361637][ T45] add_grec+0xf20/0x1400 [ 64.361704][ T45] ? mutex_lock+0x97/0x1d0 [ 64.361800][ T45] mld_send_initial_cr+0x157/0x320 [ 64.361865][ T45] mld_dad_work+0x3e/0x4e0 [ 64.361923][ T45] process_scheduled_works+0x7f7/0x1060 [ 64.362012][ T45] worker_thread+0xc99/0x13f0 [ 64.362088][ T45] kthread+0x2c7/0x360 [ 64.362153][ T45] ? __cfi_worker_thread+0x10/0x10 [ 64.362218][ T45] ? __cfi_kthread+0x10/0x10 [ 64.362277][ T45] ret_from_fork+0x67/0xa0 [ 64.362347][ T45] ? __cfi_kthread+0x10/0x10 [ 64.362438][ T45] ret_from_fork_asm+0x1a/0x30 [ 64.362529][ T45] [ 64.362564][ T45] FAULT_INJECTION: forcing a failure. [ 64.362564][ T45] name failslab, interval 1, probability 100, space 0, times 81 [ 64.371397][ T10] FAULT_INJECTION: forcing a failure. [ 64.371397][ T10] name failslab, interval 1, probability 100, space 0, times 81 [ 64.383227][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.383352][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.383398][ T45] Workqueue: mld mld_dad_work [ 64.383477][ T45] Call Trace: [ 64.383500][ T45] [ 64.383530][ T45] __dump_stack+0x21/0x30 [ 64.383621][ T45] dump_stack_lvl+0x140/0x1c0 [ 64.383694][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.383790][ T45] ? __kasan_check_read+0x15/0x20 [ 64.383858][ T45] dump_stack+0x19/0x20 [ 64.383935][ T45] should_fail_ex+0x3c2/0x510 [ 64.383997][ T45] should_failslab+0xac/0x100 [ 64.384073][ T45] kmem_cache_alloc_node_noprof+0x45/0x420 [ 64.384131][ T45] ? __alloc_skb+0x10c/0x360 [ 64.384212][ T45] __alloc_skb+0x10c/0x360 [ 64.384298][ T45] mld_newpack+0x162/0xa10 [ 64.384365][ T45] ? mld_sendpack+0xd10/0xd10 [ 64.384426][ T45] ? __cfi___switch_to+0x10/0x10 [ 64.384525][ T45] add_grec+0xf20/0x1400 [ 64.384605][ T45] ? mutex_lock+0x97/0x1d0 [ 64.384707][ T45] mld_send_initial_cr+0x157/0x320 [ 64.384782][ T45] mld_dad_work+0x3e/0x4e0 [ 64.384848][ T45] process_scheduled_works+0x7f7/0x1060 [ 64.384925][ T45] worker_thread+0xc99/0x13f0 [ 64.384989][ T45] kthread+0x2c7/0x360 [ 64.385066][ T45] ? __cfi_worker_thread+0x10/0x10 [ 64.385132][ T45] ? __cfi_kthread+0x10/0x10 [ 64.385200][ T45] ret_from_fork+0x67/0xa0 [ 64.385279][ T45] ? __cfi_kthread+0x10/0x10 [ 64.385345][ T45] ret_from_fork_asm+0x1a/0x30 [ 64.385408][ T45] [ 64.385464][ T45] FAULT_INJECTION: forcing a failure. [ 64.385464][ T45] name failslab, interval 1, probability 100, space 0, times 80 [ 64.394833][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.394864][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.394882][ T10] Workqueue: usb_hub_wq hub_event [ 64.395009][ T10] Call Trace: [ 64.395017][ T10] [ 64.395042][ T10] __dump_stack+0x21/0x30 [ 64.395146][ T10] dump_stack_lvl+0x140/0x1c0 [ 64.395234][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.395332][ T10] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 64.395408][ T10] ? __wake_up+0x169/0x190 [ 64.395480][ T10] ? __update_runtime_status+0x13f/0x2a0 [ 64.395566][ T10] dump_stack+0x19/0x20 [ 64.395647][ T10] should_fail_ex+0x3c2/0x510 [ 64.395720][ T10] should_failslab+0xac/0x100 [ 64.395798][ T10] __kmalloc_cache_noprof+0x41/0x470 [ 64.395865][ T10] ? usb_control_msg+0x83/0x490 [ 64.395940][ T10] usb_control_msg+0x83/0x490 [ 64.396022][ T10] hub_ext_port_status+0x10d/0x830 [ 64.396103][ T10] hub_event+0x77a/0x4360 [ 64.396206][ T10] ? __cfi_hub_event+0x10/0x10 [ 64.396290][ T10] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 64.396369][ T10] ? _raw_spin_lock_irq+0x93/0x120 [ 64.396464][ T10] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 64.396538][ T10] ? kick_pool+0xb9/0x540 [ 64.396625][ T10] process_scheduled_works+0x7f7/0x1060 [ 64.396699][ T10] worker_thread+0xc99/0x13f0 [ 64.396778][ T10] kthread+0x2c7/0x360 [ 64.396849][ T10] ? __cfi_worker_thread+0x10/0x10 [ 64.396912][ T10] ? __cfi_kthread+0x10/0x10 [ 64.396985][ T10] ret_from_fork+0x67/0xa0 [ 64.397069][ T10] ? __cfi_kthread+0x10/0x10 [ 64.397142][ T10] ret_from_fork_asm+0x1a/0x30 [ 64.397207][ T10] [ 64.397298][ T10] hub 5-0:1.0: hub_ext_port_status failed (err = -12) [ 64.405370][ T295] FAULT_INJECTION: forcing a failure. [ 64.405370][ T295] name failslab, interval 1, probability 100, space 0, times 79 [ 64.477450][ T385] CPU: 0 UID: 0 PID: 385 Comm: syz.4.28 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.477542][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.477587][ T385] Call Trace: [ 64.477608][ T385] [ 64.477632][ T385] __dump_stack+0x21/0x30 [ 64.477729][ T385] dump_stack_lvl+0x140/0x1c0 [ 64.477806][ T385] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.477904][ T385] dump_stack+0x19/0x20 [ 64.477981][ T385] should_fail_ex+0x3c2/0x510 [ 64.478057][ T385] should_failslab+0xac/0x100 [ 64.478139][ T385] kmem_cache_alloc_noprof+0x42/0x410 [ 64.478198][ T385] ? __kasan_check_write+0x18/0x20 [ 64.478260][ T385] ? taskstats_exit+0x161/0xb50 [ 64.478346][ T385] ? acct_update_integrals+0x2e5/0x330 [ 64.478435][ T385] taskstats_exit+0x161/0xb50 [ 64.478533][ T385] ? __kasan_check_write+0x18/0x20 [ 64.478592][ T385] do_exit+0x7f7/0x2850 [ 64.478669][ T385] ? __kasan_check_read+0x15/0x20 [ 64.478732][ T385] ? futex_wake+0x627/0x950 [ 64.478778][ T385] ? futex_setup_timer+0xb4/0xd0 [ 64.478856][ T385] ? __cfi_do_exit+0x10/0x10 [ 64.478916][ T385] ? futex_wait+0x2b8/0x7c0 [ 64.478939][ T385] ? __cfi_futex_wait+0x10/0x10 [ 64.479015][ T385] ? __kasan_check_write+0x18/0x20 [ 64.479105][ T385] ? _raw_spin_lock_irq+0x93/0x120 [ 64.479182][ T385] do_group_exit+0x21f/0x2f0 [ 64.479258][ T385] ? __kasan_check_write+0x18/0x20 [ 64.479321][ T385] ? recalc_sigpending+0x16c/0x1d0 [ 64.479389][ T385] get_signal+0x134c/0x1490 [ 64.479465][ T385] arch_do_signal_or_restart+0xbc/0x700 [ 64.479528][ T385] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 64.479595][ T385] syscall_exit_to_user_mode+0x57/0xb0 [ 64.479685][ T385] do_syscall_64+0x63/0xf0 [ 64.479753][ T385] ? clear_bhb_loop+0x50/0xa0 [ 64.479838][ T385] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.479905][ T385] RIP: 0033:0x7fe54a19de99 [ 64.479958][ T385] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 64.480020][ T385] RSP: 002b:00007fe548be30e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 64.480079][ T385] RAX: fffffffffffffe00 RBX: 00007fe54a425fa8 RCX: 00007fe54a19de99 [ 64.480132][ T385] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe54a425fa8 [ 64.480175][ T385] RBP: 00007fe54a425fa0 R08: 0000000000000000 R09: 0000000000000000 [ 64.480213][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.480255][ T385] R13: 00007fe54a426038 R14: 00007ffde8063570 R15: 00007ffde8063658 [ 64.480309][ T385] [ 64.626912][ T111] CPU: 0 UID: 0 PID: 111 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 64.627010][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.627052][ T111] Call Trace: [ 64.627073][ T111] [ 64.627097][ T111] __dump_stack+0x21/0x30 [ 64.627194][ T111] dump_stack_lvl+0x140/0x1c0 [ 64.627279][ T111] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.627366][ T111] ? bpf_lsm_file_permission+0xd/0x20 [ 64.627443][ T111] dump_stack+0x19/0x20 [ 64.627515][ T111] should_fail_ex+0x3c2/0x510 [ 64.627582][ T111] should_failslab+0xac/0x100 [ 64.627662][ T111] kmem_cache_alloc_noprof+0x42/0x410 [ 64.627727][ T111] ? __cfi_locks_remove_posix+0x10/0x10 [ 64.627792][ T111] ? getname_flags+0xcc/0x6b0 [ 64.627860][ T111] getname_flags+0xcc/0x6b0 [ 64.627919][ T111] do_readlinkat+0xcd/0x520 [ 64.628008][ T111] ? cp_old_stat+0x4d0/0x4d0 [ 64.628100][ T111] ? __kasan_check_read+0x15/0x20 [ 64.628169][ T111] __x64_sys_readlink+0x83/0xa0 [ 64.628245][ T111] x64_sys_call+0x155b/0x2ee0 [ 64.628299][ T111] do_syscall_64+0x57/0xf0 [ 64.628365][ T111] ? clear_bhb_loop+0x50/0xa0 [ 64.628443][ T111] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.628525][ T111] RIP: 0033:0x7f44431153a7 [ 64.628582][ T111] 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 [ 64.628635][ T111] RSP: 002b:00007ffd9f663cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000059 [ 64.628701][ T111] RAX: ffffffffffffffda RBX: 00007ffd9f663ed0 RCX: 00007f44431153a7 [ 64.628746][ T111] RDX: 0000000000000200 RSI: 00007ffd9f663cd0 RDI: 00007ffd9f663ed0 [ 64.628790][ T111] RBP: 000056494d7832c0 R08: 0000000000000064 R09: 0000000000000000 [ 64.628833][ T111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f663cd0 [ 64.628876][ T111] R13: 0000564936245100 R14: 0000000000000000 R15: 00007ffd9f6644f0 [ 64.628931][ T111] [ 68.851704][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 68.851729][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.851740][ T295] Call Trace: [ 68.851747][ T295] [ 68.851755][ T295] __dump_stack+0x21/0x30 [ 68.851782][ T295] dump_stack_lvl+0x140/0x1c0 [ 68.851804][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 68.851829][ T295] dump_stack+0x19/0x20 [ 68.851850][ T295] should_fail_ex+0x3c2/0x510 [ 68.851869][ T295] should_failslab+0xac/0x100 [ 68.851890][ T295] kmem_cache_alloc_node_noprof+0x45/0x420 [ 68.851907][ T295] ? __kasan_check_write+0x18/0x20 [ 68.851928][ T295] ? __alloc_skb+0x10c/0x360 [ 68.851950][ T295] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 68.851970][ T295] __alloc_skb+0x10c/0x360 [ 68.851992][ T295] inet6_rt_notify+0x351/0x520 [ 68.852010][ T295] ? __cfi_inet6_rt_notify+0x10/0x10 [ 68.852032][ T295] ? call_fib_notifiers+0xa4/0xc0 [ 68.852049][ T295] fib6_del+0xba0/0xf50 [ 68.852072][ T295] ? __cfi_fib6_del+0x10/0x10 [ 68.852095][ T295] ? fib6_ifdown+0x2f1/0x4f0 [ 68.852111][ T295] fib6_clean_node+0x2b9/0x560 [ 68.852134][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 68.852158][ T295] ? preempt_schedule_common+0x2d/0x60 [ 68.852179][ T295] ? preempt_schedule+0xc5/0xe0 [ 68.852198][ T295] ? __cfi_preempt_schedule+0x10/0x10 [ 68.852218][ T295] fib6_walk_continue+0x518/0x740 [ 68.852243][ T295] __fib6_clean_all+0x2a2/0x440 [ 68.852265][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 68.852281][ T295] ? fib6_clean_all+0x50/0x50 [ 68.852302][ T295] ? __cfi_fib6_clean_node+0x10/0x10 [ 68.852324][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 68.852340][ T295] ? dump_stack_lvl+0x16b/0x1c0 [ 68.852363][ T295] ? __cfi_fib6_ifdown+0x10/0x10 [ 68.852378][ T295] fib6_clean_all+0x2e/0x50 [ 68.852399][ T295] rt6_disable_ip+0x124/0x810 [ 68.852415][ T295] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 68.852435][ T295] ? __cfi_rt6_disable_ip+0x10/0x10 [ 68.852451][ T295] ? __kasan_check_read+0x15/0x20 [ 68.852467][ T295] addrconf_ifdown+0x161/0x1970 [ 68.852484][ T295] ? __kmalloc_cache_noprof+0x23c/0x470 [ 68.852501][ T295] ? __try_to_del_timer_sync+0x2e8/0x440 [ 68.852522][ T295] ? addrconf_cleanup+0x150/0x150 [ 68.852538][ T295] ? __kasan_check_write+0x18/0x20 [ 68.852554][ T295] ? mutex_unlock+0x90/0x240 [ 68.852575][ T295] ? __cfi_mutex_unlock+0x10/0x10 [ 68.852597][ T295] ? __cfi_device_cmp+0x10/0x10 [ 68.852617][ T295] ? masq_device_event+0xe0/0xe0 [ 68.852638][ T295] addrconf_notify+0x17a/0xeb0 [ 68.852656][ T295] ? ip6mr_device_event+0x1ed/0x230 [ 68.852671][ T295] ? __cfi_addrconf_notify+0x10/0x10 [ 68.852690][ T295] notifier_call_chain+0x106/0x2b0 [ 68.852707][ T295] raw_notifier_call_chain+0x31/0x40 [ 68.852723][ T295] dev_close_many+0x332/0x4f0 [ 68.852740][ T295] ? __cfi_dev_close_many+0x10/0x10 [ 68.852757][ T295] ? __kasan_check_read+0x15/0x20 [ 68.852773][ T295] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 68.852797][ T295] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 68.852816][ T295] ? stack_depot_save_flags+0x38/0x800 [ 68.852836][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 68.852859][ T295] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 68.852879][ T295] ? __kasan_check_write+0x18/0x20 [ 68.852895][ T295] ? queue_delayed_work_on+0x16f/0x1f0 [ 68.852916][ T295] ? netif_carrier_off+0xa6/0xd0 [ 68.852938][ T295] ? __kasan_check_read+0x15/0x20 [ 68.852954][ T295] unregister_netdevice_queue+0x302/0x350 [ 68.852975][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 68.852996][ T295] ? linkwatch_fire_event+0x212/0x260 [ 68.853020][ T295] __tun_detach+0xc98/0x1450 [ 68.853037][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 68.853052][ T295] tun_chr_close+0x93/0x150 [ 68.853066][ T295] __fput+0x20b/0xa30 [ 68.853089][ T295] ____fput+0x20/0x30 [ 68.853109][ T295] task_work_run+0x1e8/0x260 [ 68.853130][ T295] ? __cfi_task_work_run+0x10/0x10 [ 68.853153][ T295] ? free_nsproxy+0x223/0x290 [ 68.853177][ T295] do_exit+0xa46/0x2850 [ 68.853200][ T295] ? __cfi_do_exit+0x10/0x10 [ 68.853220][ T295] ? __kasan_check_write+0x18/0x20 [ 68.853235][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 68.853253][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 68.853271][ T295] ? zap_other_threads+0x32f/0x370 [ 68.853291][ T295] do_group_exit+0x21f/0x2f0 [ 68.853313][ T295] __x64_sys_exit_group+0x43/0x50 [ 68.853335][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 68.853349][ T295] do_syscall_64+0x57/0xf0 [ 68.853367][ T295] ? clear_bhb_loop+0x50/0xa0 [ 68.853388][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 68.853409][ T295] RIP: 0033:0x7f0e8c99de99 [ 68.853422][ T295] Code: Unable to access opcode bytes at 0x7f0e8c99de6f. [ 68.853430][ T295] RSP: 002b:00007ffd214d71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 68.853448][ T295] RAX: ffffffffffffffda RBX: 00007f0e8ca3332f RCX: 00007f0e8c99de99 [ 68.853461][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 68.853472][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f0e8ca3330a [ 68.853483][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd214d8410 [ 68.853494][ T295] R13: 00007f0e8ca3330a R14: 000000000000bdbd R15: 00007ffd214d8450 [ 68.853508][ T295] [ 68.855098][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 68.855133][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.855149][ T45] Workqueue: mld mld_dad_work [ 68.855177][ T45] Call Trace: [ 68.855184][ T45] [ 68.855193][ T45] __dump_stack+0x21/0x30 [ 68.855225][ T45] dump_stack_lvl+0x140/0x1c0 [ 68.855255][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 68.855285][ T45] ? __kasan_check_read+0x15/0x20 [ 68.855311][ T45] dump_stack+0x19/0x20 [ 68.855339][ T45] should_fail_ex+0x3c2/0x510 [ 68.855363][ T45] should_failslab+0xac/0x100 [ 68.855391][ T45] kmem_cache_alloc_node_noprof+0x45/0x420 [ 68.855415][ T45] ? __alloc_skb+0x10c/0x360 [ 68.855447][ T45] __alloc_skb+0x10c/0x360 [ 68.855476][ T45] mld_newpack+0x162/0xa10 [ 68.855503][ T45] ? mld_sendpack+0xd10/0xd10 [ 68.855528][ T45] ? __cfi___switch_to+0x10/0x10 [ 68.855562][ T45] add_grec+0xf20/0x1400 [ 68.855588][ T45] ? mutex_lock+0x97/0x1d0 [ 68.855617][ T45] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 68.855642][ T45] mld_send_initial_cr+0x157/0x320 [ 68.855668][ T45] mld_dad_work+0x3e/0x4e0 [ 68.855692][ T45] process_scheduled_works+0x7f7/0x1060 [ 68.855722][ T45] worker_thread+0xc99/0x13f0 [ 68.855751][ T45] kthread+0x2c7/0x360 [ 68.855791][ T45] ? __cfi_worker_thread+0x10/0x10 [ 68.855815][ T45] ? __cfi_kthread+0x10/0x10 [ 68.855843][ T45] ret_from_fork+0x67/0xa0 [ 68.855877][ T45] ? __cfi_kthread+0x10/0x10 [ 68.855905][ T45] ret_from_fork_asm+0x1a/0x30 [ 68.855937][ T45] [ 68.899392][ T36] kauditd_printk_skb: 3 callbacks suppressed [ 68.899456][ T36] audit: type=1400 audit(1785162503.000:121): avc: denied { read write } for pid=392 comm="syz.4.31" name="fuse" dev="devtmpfs" ino=23 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 69.558811][ T36] audit: type=1400 audit(1785162503.000:122): avc: denied { open } for pid=392 comm="syz.4.31" path="/dev/fuse" dev="devtmpfs" ino=23 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 69.581801][ T36] audit: type=1400 audit(1785162503.110:123): avc: denied { mounton } for pid=392 comm="syz.4.31" path="/4/file0" dev="tmpfs" ino=44 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1 [ 69.617346][ T338] bridge_slave_1: left allmulticast mode [ 69.623032][ T338] bridge_slave_1: left promiscuous mode [ 69.628686][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.636220][ T338] bridge_slave_0: left allmulticast mode [ 69.642366][ T338] bridge_slave_0: left promiscuous mode [ 69.648022][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.736514][ T36] audit: type=1400 audit(1785162503.870:124): avc: denied { unmount } for pid=336 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 69.778235][ T338] veth1_macvtap: left promiscuous mode [ 69.783835][ T338] veth0_vlan: left promiscuous mode [ 69.810900][ T400] zram: Can't change algorithm for initialized device [ 69.820060][ T400] zram: Cannot change disksize for initialized device [ 69.827987][ T399] ================================================================== [ 69.836102][ T399] BUG: KASAN: vmalloc-out-of-bounds in ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 69.846137][ T399] Read of size 4 at addr ffffc900002a30f9 by task syz.4.33/399 [ 69.853730][ T399] [ 69.856090][ T399] CPU: 1 UID: 0 PID: 399 Comm: syz.4.33 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 69.856125][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.856141][ T399] Call Trace: [ 69.856150][ T399] [ 69.856161][ T399] __dump_stack+0x21/0x30 [ 69.856199][ T399] dump_stack_lvl+0x140/0x1c0 [ 69.856231][ T399] ? __cfi_dump_stack_lvl+0x10/0x10 [ 69.856264][ T399] ? __cfi__printk+0x10/0x10 [ 69.856304][ T399] print_address_description+0x71/0x210 [ 69.856338][ T399] print_report+0x4a/0x70 [ 69.856369][ T399] kasan_report+0x162/0x1a0 [ 69.856400][ T399] ? ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 69.856439][ T399] ? prep_compound_page+0x44b/0x590 [ 69.856468][ T399] ? ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 69.856504][ T399] __asan_report_load_n_noabort+0x13/0x20 [ 69.856529][ T399] ZSTD_btGetAllMatches_dictMatchState_4+0x194d/0x4550 [ 69.856572][ T399] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 69.856608][ T399] ? ZSTD_opt_getNextMatchAndUpdateSeqStore+0xa00/0xa00 [ 69.856644][ T399] ZSTD_compressBlock_opt0+0x65e/0x5220 [ 69.856676][ T399] ? lruvec_init+0x271/0x280 [ 69.856703][ T399] ? __alloc_pages_noprof+0x35a/0x7e0 [ 69.856737][ T399] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 69.856773][ T399] ? ZSTD_compressBlock_btopt+0x60/0x60 [ 69.856800][ T399] ? __kmalloc_node_noprof+0x34d/0x500 [ 69.856825][ T399] ? __kvmalloc_node_noprof+0x128/0x300 [ 69.856865][ T399] ZSTD_compressBlock_btopt_dictMatchState+0x3f/0x50 [ 69.856899][ T399] ZSTD_buildSeqStore+0x960/0xcf0 [ 69.856935][ T399] ? ZSTD_reduceTable+0xb30/0xb30 [ 69.856967][ T399] ? ZSTD_reset_matchState+0x2685/0x3410 [ 69.857001][ T399] ? __asan_memcpy+0x5a/0x80 [ 69.857026][ T399] ? ZSTD_reset_matchState+0x26a7/0x3410 [ 69.857060][ T399] ZSTD_compressBlock_internal+0x3c/0x520 [ 69.857097][ T399] ZSTD_compressContinue_internal+0x103d/0x3e20 [ 69.857131][ T399] ? __asan_memcpy+0x5a/0x80 [ 69.857161][ T399] ? ZSTD_compressContinue+0x70/0x70 [ 69.857190][ T399] ZSTD_compressEnd+0x45/0x890 [ 69.857219][ T399] ZSTD_compress_usingCDict+0x71/0xa0 [ 69.857250][ T399] zstd_compress_using_cdict+0x42/0x60 [ 69.857292][ T399] zstd_compress+0x1ab/0x240 [ 69.857325][ T399] ? __cfi_zstd_compress+0x10/0x10 [ 69.857358][ T399] zcomp_compress+0x156/0x210 [ 69.857381][ T399] ? __cfi_update_io_ticks+0x10/0x10 [ 69.857406][ T399] ? __cfi_zcomp_compress+0x10/0x10 [ 69.857431][ T399] ? bio_start_io_acct+0x127/0x180 [ 69.857457][ T399] zram_submit_bio+0x65c/0x1e50 [ 69.857483][ T399] ? __block_write_full_folio+0x8d3/0xe80 [ 69.857513][ T399] ? bdev_release+0x199/0x700 [ 69.857545][ T399] ? __cfi_zram_submit_bio+0x10/0x10 [ 69.857573][ T399] __submit_bio+0x51c/0x9b0 [ 69.857601][ T399] ? blk_free_queue_rcu+0x60/0x60 [ 69.857632][ T399] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 69.857660][ T399] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 69.857685][ T399] ? __kasan_check_read+0x15/0x20 [ 69.857709][ T399] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 69.857741][ T399] submit_bio_noacct+0xc0e/0x1620 [ 69.857769][ T399] submit_bio+0x424/0x5b0 [ 69.857794][ T399] submit_bh_wbc+0x501/0x570 [ 69.857824][ T399] __block_write_full_folio+0x8d3/0xe80 [ 69.857854][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 69.857888][ T399] block_write_full_folio+0x300/0x370 [ 69.857920][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 69.857952][ T399] ? __cfi_block_write_full_folio+0x10/0x10 [ 69.857984][ T399] write_cache_pages+0x79/0x110 [ 69.858018][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 69.858051][ T399] blkdev_writepages+0xc5/0x130 [ 69.858083][ T399] ? __cfi_blkdev_writepages+0x10/0x10 [ 69.858116][ T399] ? __cfi_blkdev_writepages+0x10/0x10 [ 69.858146][ T399] do_writepages+0x3d7/0x7f0 [ 69.858181][ T399] ? arch_stack_walk+0x10a/0x170 [ 69.858206][ T399] ? __cfi_do_writepages+0x10/0x10 [ 69.858241][ T399] ? __kasan_check_write+0x18/0x20 [ 69.858264][ T399] ? I_BDEV+0x11/0x30 [ 69.858301][ T399] ? _raw_spin_unlock+0x45/0x60 [ 69.858328][ T399] ? I_BDEV+0x11/0x30 [ 69.858353][ T399] filemap_fdatawrite_wbc+0x12c/0x190 [ 69.858380][ T399] filemap_write_and_wait_range+0x191/0x2a0 [ 69.858408][ T399] ? __cfi_filemap_write_and_wait_range+0x10/0x10 [ 69.858436][ T399] ? _raw_spin_lock+0x92/0x120 [ 69.858471][ T399] bdev_release+0x199/0x700 [ 69.858501][ T399] ? __cfi_blkdev_release+0x10/0x10 [ 69.858533][ T399] blkdev_release+0x19/0x30 [ 69.858563][ T399] __fput+0x20b/0xa30 [ 69.858595][ T399] ____fput+0x20/0x30 [ 69.858625][ T399] task_work_run+0x1e8/0x260 [ 69.858656][ T399] ? __cfi_task_work_run+0x10/0x10 [ 69.858686][ T399] ? __kasan_check_write+0x18/0x20 [ 69.858711][ T399] resume_user_mode_work+0x35/0x50 [ 69.858733][ T399] syscall_exit_to_user_mode+0x63/0xb0 [ 69.858767][ T399] do_syscall_64+0x63/0xf0 [ 69.858793][ T399] ? clear_bhb_loop+0x50/0xa0 [ 69.858824][ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 69.858855][ T399] RIP: 0033:0x7fe54a19de99 [ 69.858876][ T399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.858896][ T399] RSP: 002b:00007ffde80637b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 69.858922][ T399] RAX: 0000000000000000 RBX: 00007ffde80638a0 RCX: 00007fe54a19de99 [ 69.858940][ T399] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 69.858956][ T399] RBP: 000000000001109f R08: 0000000000000001 R09: 0000000000000000 [ 69.858971][ T399] R10: 0000001b30f20000 R11: 0000000000000246 R12: 00007ffde80638e0 [ 69.858989][ T399] R13: 00007fe54a425fac R14: 00000000000110e4 R15: 00007fe54a425fa0 [ 69.859011][ T399] [ 69.859020][ T399] [ 70.419919][ T399] The buggy address belongs to a vmalloc virtual mapping [ 70.426947][ T399] Memory state around the buggy address: [ 70.432597][ T399] ffffc900002a2f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.440667][ T399] ffffc900002a3000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.448736][ T399] >ffffc900002a3080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.456812][ T399] ^ [ 70.464805][ T399] ffffc900002a3100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.472873][ T399] ffffc900002a3180: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 70.480942][ T399] ================================================================== [ 70.489279][ T399] Disabling lock debugging due to kernel taint [ 70.495513][ T399] BUG: unable to handle page fault for address: ffffc900002a30f9 [ 70.503244][ T399] #PF: supervisor read access in kernel mode [ 70.509252][ T399] #PF: error_code(0x0000) - not-present page [ 70.515238][ T399] PGD 100000067 P4D 100000067 PUD 101657067 PMD 104247067 PTE 0 [ 70.522902][ T399] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 70.528981][ T399] CPU: 1 UID: 0 PID: 399 Comm: syz.4.33 Tainted: G B syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 70.541782][ T399] Tainted: [B]=BAD_PAGE [ 70.545952][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.556018][ T399] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 70.563589][ T399] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 24 ac fe 45 39 f5 0f 85 3e 02 00 [ 70.583228][ T399] RSP: 0018:ffffc9000b63e380 EFLAGS: 00010282 [ 70.589310][ T399] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db5d63 [ 70.597289][ T399] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900002a30fc [ 70.605270][ T399] RBP: ffffc9000b63e5c0 R08: ffffffff88bb3947 R09: 1ffffffff1176728 [ 70.613270][ T399] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000101 [ 70.621252][ T399] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900002a30f9 [ 70.629233][ T399] FS: 0000555564fdf500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 70.638175][ T399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.644772][ T399] CR2: ffffc900002a30f9 CR3: 0000000118190000 CR4: 00000000003526b0 [ 70.652761][ T399] Call Trace: [ 70.656067][ T399] [ 70.659011][ T399] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 70.666235][ T399] ? ZSTD_opt_getNextMatchAndUpdateSeqStore+0xa00/0xa00 [ 70.673218][ T399] ZSTD_compressBlock_opt0+0x65e/0x5220 [ 70.678782][ T399] ? lruvec_init+0x271/0x280 [ 70.683385][ T399] ? __alloc_pages_noprof+0x35a/0x7e0 [ 70.688785][ T399] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 70.696019][ T399] ? ZSTD_compressBlock_btopt+0x60/0x60 [ 70.701591][ T399] ? __kmalloc_node_noprof+0x34d/0x500 [ 70.707059][ T399] ? __kvmalloc_node_noprof+0x128/0x300 [ 70.712649][ T399] ZSTD_compressBlock_btopt_dictMatchState+0x3f/0x50 [ 70.719345][ T399] ZSTD_buildSeqStore+0x960/0xcf0 [ 70.724392][ T399] ? ZSTD_reduceTable+0xb30/0xb30 [ 70.729430][ T399] ? ZSTD_reset_matchState+0x2685/0x3410 [ 70.735082][ T399] ? __asan_memcpy+0x5a/0x80 [ 70.739685][ T399] ? ZSTD_reset_matchState+0x26a7/0x3410 [ 70.745331][ T399] ZSTD_compressBlock_internal+0x3c/0x520 [ 70.751065][ T399] ZSTD_compressContinue_internal+0x103d/0x3e20 [ 70.757320][ T399] ? __asan_memcpy+0x5a/0x80 [ 70.761930][ T399] ? ZSTD_compressContinue+0x70/0x70 [ 70.767268][ T399] ZSTD_compressEnd+0x45/0x890 [ 70.772056][ T399] ZSTD_compress_usingCDict+0x71/0xa0 [ 70.777451][ T399] zstd_compress_using_cdict+0x42/0x60 [ 70.782939][ T399] zstd_compress+0x1ab/0x240 [ 70.787561][ T399] ? __cfi_zstd_compress+0x10/0x10 [ 70.792708][ T399] zcomp_compress+0x156/0x210 [ 70.797396][ T399] ? __cfi_update_io_ticks+0x10/0x10 [ 70.802694][ T399] ? __cfi_zcomp_compress+0x10/0x10 [ 70.807922][ T399] ? bio_start_io_acct+0x127/0x180 [ 70.813074][ T399] zram_submit_bio+0x65c/0x1e50 [ 70.817938][ T399] ? __block_write_full_folio+0x8d3/0xe80 [ 70.823675][ T399] ? bdev_release+0x199/0x700 [ 70.828384][ T399] ? __cfi_zram_submit_bio+0x10/0x10 [ 70.833723][ T399] __submit_bio+0x51c/0x9b0 [ 70.838243][ T399] ? blk_free_queue_rcu+0x60/0x60 [ 70.843280][ T399] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 70.848927][ T399] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 70.855091][ T399] ? __kasan_check_read+0x15/0x20 [ 70.860136][ T399] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 70.865980][ T399] submit_bio_noacct+0xc0e/0x1620 [ 70.871017][ T399] submit_bio+0x424/0x5b0 [ 70.875361][ T399] submit_bh_wbc+0x501/0x570 [ 70.879967][ T399] __block_write_full_folio+0x8d3/0xe80 [ 70.885526][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 70.890914][ T399] block_write_full_folio+0x300/0x370 [ 70.896310][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 70.901724][ T399] ? __cfi_block_write_full_folio+0x10/0x10 [ 70.907671][ T399] write_cache_pages+0x79/0x110 [ 70.912578][ T399] ? __cfi_blkdev_get_block+0x10/0x10 [ 70.917977][ T399] blkdev_writepages+0xc5/0x130 [ 70.922848][ T399] ? __cfi_blkdev_writepages+0x10/0x10 [ 70.928348][ T399] ? __cfi_blkdev_writepages+0x10/0x10 [ 70.933828][ T399] do_writepages+0x3d7/0x7f0 [ 70.938446][ T399] ? arch_stack_walk+0x10a/0x170 [ 70.943395][ T399] ? __cfi_do_writepages+0x10/0x10 [ 70.948526][ T399] ? __kasan_check_write+0x18/0x20 [ 70.953649][ T399] ? I_BDEV+0x11/0x30 [ 70.957649][ T399] ? _raw_spin_unlock+0x45/0x60 [ 70.962536][ T399] ? I_BDEV+0x11/0x30 [ 70.966542][ T399] filemap_fdatawrite_wbc+0x12c/0x190 [ 70.971959][ T399] filemap_write_and_wait_range+0x191/0x2a0 [ 70.977877][ T399] ? __cfi_filemap_write_and_wait_range+0x10/0x10 [ 70.984316][ T399] ? _raw_spin_lock+0x92/0x120 [ 70.989097][ T399] bdev_release+0x199/0x700 [ 70.993673][ T399] ? __cfi_blkdev_release+0x10/0x10 [ 70.998920][ T399] blkdev_release+0x19/0x30 [ 71.003439][ T399] __fput+0x20b/0xa30 [ 71.007437][ T399] ____fput+0x20/0x30 [ 71.011430][ T399] task_work_run+0x1e8/0x260 [ 71.016035][ T399] ? __cfi_task_work_run+0x10/0x10 [ 71.021161][ T399] ? __kasan_check_write+0x18/0x20 [ 71.026284][ T399] resume_user_mode_work+0x35/0x50 [ 71.031406][ T399] syscall_exit_to_user_mode+0x63/0xb0 [ 71.036890][ T399] do_syscall_64+0x63/0xf0 [ 71.041331][ T399] ? clear_bhb_loop+0x50/0xa0 [ 71.046041][ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 71.051943][ T399] RIP: 0033:0x7fe54a19de99 [ 71.056364][ T399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.075977][ T399] RSP: 002b:00007ffde80637b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 71.084410][ T399] RAX: 0000000000000000 RBX: 00007ffde80638a0 RCX: 00007fe54a19de99 [ 71.092417][ T399] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 71.100488][ T399] RBP: 000000000001109f R08: 0000000000000001 R09: 0000000000000000 [ 71.108534][ T399] R10: 0000001b30f20000 R11: 0000000000000246 R12: 00007ffde80638e0 [ 71.116517][ T399] R13: 00007fe54a425fac R14: 00000000000110e4 R15: 00007fe54a425fa0 [ 71.124499][ T399] [ 71.127524][ T399] Modules linked in: [ 71.131449][ T399] CR2: ffffc900002a30f9 [ 71.135618][ T399] ---[ end trace 0000000000000000 ]--- [ 71.141086][ T399] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 71.148712][ T399] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 24 ac fe 45 39 f5 0f 85 3e 02 00 [ 71.168330][ T399] RSP: 0018:ffffc9000b63e380 EFLAGS: 00010282 [ 71.174431][ T399] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db5d63 [ 71.182425][ T399] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900002a30fc [ 71.190416][ T399] RBP: ffffc9000b63e5c0 R08: ffffffff88bb3947 R09: 1ffffffff1176728 [ 71.198398][ T399] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000101 [ 71.206377][ T399] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900002a30f9 [ 71.214357][ T399] FS: 0000555564fdf500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 71.223310][ T399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.229903][ T399] CR2: ffffc900002a30f9 CR3: 0000000118190000 CR4: 00000000003526b0 [ 71.237895][ T399] Kernel panic - not syncing: Fatal exception [ 71.244644][ T399] Kernel Offset: disabled [ 71.248986][ T399] Rebooting in 86400 seconds..