last executing test programs: 19.4400322s ago: executing program 0 (id=1038): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='dir0/tracing_on\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1\x00', 0x2) close(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, 0x8, &(0x7f0000000600)=0x1) syz_clone(0x10f00, 0x0, 0x0, 0x0, 0x0, 0x0) read(r1, &(0x7f0000000b00), 0x64) read(r1, &(0x7f0000000c00), 0x64) 19.42390011s ago: executing program 0 (id=1039): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/idVendor\x00', 0x2, 0x0) write(r0, &(0x7f0000000180)='0x1d6b\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='0x0104\x00', 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x2, 0x0) write(r2, &(0x7f00000002c0)='1234567890\x00', 0xb) r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x2, 0x0) write(r3, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r4 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r4, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r5 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r5, &(0x7f0000000500)='Conf 1\x00', 0x7) r6 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r6, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r7 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r7, &(0x7f00000006c0)='Conf 2\x00', 0x7) r8 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r8, &(0x7f0000000740)='midi.usb0\x00') r9 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r9, &(0x7f00000007c0)='dummy_udc.0\x00', 0xb) r10 = openat(0xffffffffffffff9c, &(0x7f0000000840)='./sys/bus/usb/devices/2-1/bConfigurationValue\x00', 0x2, 0x0) write(r10, &(0x7f00000008c0)='2\x00', 0x2) write(r10, &(0x7f00000008e0)='1\x00', 0x2) write(r10, &(0x7f0000000900)='0\x00', 0x2) write(r9, &(0x7f0000000920)='\n\x00', 0x1) 19.353202682s ago: executing program 0 (id=1040): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./myconfig/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./myconfig/usb_gadget/g1/configs/c.1/acm.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0) write(r0, &(0x7f0000000900)='super-speed', 0xb) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000d00)='./myconfig/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r1, &(0x7f0000000e00)='0x0525', 0x6) close(r1) close(0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) 19.01681715s ago: executing program 0 (id=1044): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000a00)='dir0/per_cpu/cpu0/trace\x00', 0x0, 0x0) 19.00080609s ago: executing program 0 (id=1045): 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) write(r0, 0x0, 0x0) 18.944515421s ago: executing program 0 (id=1047): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='dir0/tracing_on\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1\x00', 0x2) close(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, 0x8, &(0x7f0000000600)=0x1) sched_setaffinity(0x0, 0x8, &(0x7f0000000700)=0x2) read(r1, &(0x7f0000000b00), 0x64) read(r1, &(0x7f0000000c00), 0x64) 3.882691767s ago: executing program 32 (id=1047): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='dir0/tracing_on\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1\x00', 0x2) close(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, 0x8, &(0x7f0000000600)=0x1) sched_setaffinity(0x0, 0x8, &(0x7f0000000700)=0x2) read(r1, &(0x7f0000000b00), 0x64) read(r1, &(0x7f0000000c00), 0x64) 3.851983209s ago: executing program 1 (id=1233): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/idVendor\x00', 0x2, 0x0) write(r0, &(0x7f0000000180)='0x1d6b\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='0x0104\x00', 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x2, 0x0) write(r2, &(0x7f00000002c0)='1234567890\x00', 0xb) r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x2, 0x0) write(r3, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r4 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r4, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r5 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r5, &(0x7f0000000500)='Conf 1\x00', 0x7) r6 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r6, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r7 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r7, &(0x7f00000006c0)='Conf 2\x00', 0x7) r8 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r8, &(0x7f0000000740)='midi.usb0\x00') r9 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r9, &(0x7f00000007c0)='dummy_udc.0\x00', 0xb) r10 = openat(0xffffffffffffff9c, &(0x7f0000000840)='./sys/bus/usb/devices/2-1/bConfigurationValue\x00', 0x2, 0x0) write(r10, &(0x7f00000008c0)='2\x00', 0x2) write(r10, &(0x7f00000008e0)='1\x00', 0x2) write(r10, &(0x7f0000000900)='0\x00', 0x2) write(r9, &(0x7f0000000920)='\n\x00', 0x1) 3.749145261s ago: executing program 1 (id=1234): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./myconfig/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./myconfig/usb_gadget/g1/configs/c.1/acm.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0) write(r0, &(0x7f0000000900)='super-speed', 0xb) close(r0) write(0xffffffffffffffff, &(0x7f0000000e00)='0x0525', 0x6) close(0xffffffffffffffff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./myconfig/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f0000001000)='0xa4a6', 0x6) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./myconfig/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r2, &(0x7f0000000b00)='dummy_udc.0', 0xb) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f0000002100)='./mydev\x00', &(0x7f0000002200)='devtmpfs\x00', 0x0, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000002400)='./mydev/kmsg\x00', 0x1, 0x0) write(r4, &(0x7f0000002500)='hello world\n', 0xc) close(r4) write(r3, &(0x7f0000002500)='hello world\n', 0xc) read(r3, &(0x7f0000002600), 0x100) 3.633858094s ago: executing program 2 (id=1235): mkdir(0x0, 0x1ff) mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/ecm.usb0/ifname\x00', 0x1, 0x0) write(r0, &(0x7f0000001000)='syzkaller%d', 0xb) 3.615977624s ago: executing program 2 (id=1236): openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./myconfig/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r0, &(0x7f0000001000)='0xa4a6', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./myconfig/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r1, &(0x7f0000000b00)='dummy_udc.0', 0xb) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f0000002100)='./mydev\x00', &(0x7f0000002200)='devtmpfs\x00', 0x0, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) 3.284422112s ago: executing program 4 (id=1231): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/idVendor\x00', 0x2, 0x0) write(r0, &(0x7f0000000180)='0x1d6b\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='0x0104\x00', 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x2, 0x0) write(r2, &(0x7f00000002c0)='1234567890\x00', 0xb) write(0xffffffffffffffff, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r3, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r4, &(0x7f0000000500)='Conf 1\x00', 0x7) r5 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r5, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r6 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r6, &(0x7f00000006c0)='Conf 2\x00', 0x7) r7 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r7, &(0x7f0000000740)='midi.usb0\x00') r8 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r8, &(0x7f00000007c0)='dummy_udc.0\x00', 0xb) nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0) r9 = openat(0xffffffffffffff9c, &(0x7f0000000840)='./sys/bus/usb/devices/2-1/bConfigurationValue\x00', 0x2, 0x0) write(r9, &(0x7f00000008c0)='2\x00', 0x2) write(r9, &(0x7f00000008e0)='1\x00', 0x2) write(r9, &(0x7f0000000900)='0\x00', 0x2) 3.147750385s ago: executing program 3 (id=1242): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./myconfig/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./myconfig/usb_gadget/g1/configs/c.1/acm.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0) write(r0, &(0x7f0000000900)='super-speed', 0xb) close(r0) write(0xffffffffffffffff, &(0x7f0000000e00)='0x0525', 0x6) close(0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) 3.147579905s ago: executing program 1 (id=1243): mkdir(0x0, 0x1ff) mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/ecm.usb0/ifname\x00', 0x1, 0x0) write(r0, &(0x7f0000001000)='syzkaller%d', 0xb) 3.147391665s ago: executing program 1 (id=1244): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x7, @ipv4={'\x00', '\xff\xff', @local}, 0x1}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000400)=0x1, 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) write$tun(r1, &(0x7f0000000340)=ANY=[], 0x141) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0x10012, r1, 0x0) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000080)=@gcm_128={{0x303}, "b7a41f2300", "d21b0e8a0e000000000000000600", "1d382e23", "ecba06893bcdc493"}, 0x28) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) writev(r0, &(0x7f0000001540)=[{&(0x7f0000000140)="58ddb007", 0x4}], 0x1) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f00000000c0)=0xffff1884, 0x4) 3.102137596s ago: executing program 1 (id=1245): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000500)=""/4092}) eventfd(0xf7b2) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 3.093410876s ago: executing program 2 (id=1246): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='dir0/tracing_on\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='dir0/trace_marker\x00', 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000600)=0x1) r3 = syz_clone(0x10f00, 0x0, 0x0, 0x0, 0x0, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000700)=0x2) write(r1, &(0x7f0000000800)='a\n\x00', 0x2) write(r1, &(0x7f0000000900)='b\n\x00', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000a00)='dir0/per_cpu/cpu0/trace\x00', 0x0, 0x0) read(r2, &(0x7f0000000b00), 0x64) 3.022516328s ago: executing program 2 (id=1247): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='0x0525\n\x00', 0x7) close(r0) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/acm.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1/acm.usb0\x00') r2 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./dev/ttyGS0\x00', 0x2, 0x0) ioctl$TIOCSBRK(r2, 0x5427) ioctl$TCSBRK(r2, 0x5409, 0x0) close(r2) 2.813156573s ago: executing program 3 (id=1248): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, &(0x7f0000000400)='\x00') mkdir(&(0x7f0000000500)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000600)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000700)='./config/usb_gadget/g1/functions/uvc.usb0\x00', 0x1ff) mkdir(&(0x7f0000000800)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', 0x1ff) symlink(&(0x7f0000000900)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000a00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/fs/h\x00') symlink(&(0x7f0000000b00)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000c00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/ss/h\x00') mkdir(&(0x7f0000000d00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u\x00', 0x1ff) mkdir(&(0x7f0000000e00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u/360p\x00', 0x1ff) mkdir(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', 0x1ff) symlink(&(0x7f0000001000)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u\x00', &(0x7f0000001100)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h/u\x00') symlink(&(0x7f0000001200)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001300)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/fs/h\x00') symlink(&(0x7f0000001400)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001500)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/hs/h\x00') symlink(&(0x7f0000001600)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001700)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/ss/h\x00') symlink(&(0x7f0000001800)='./config/usb_gadget/g1/functions/uvc.usb0\x00', &(0x7f0000001900)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') write(0xffffffffffffffff, &(0x7f0000001b00)='dummy_udc.0\x00', 0xb) close(0xffffffffffffffff) 2.794243953s ago: executing program 3 (id=1249): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, &(0x7f0000000400)='\x00') mkdir(&(0x7f0000000500)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000600)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000700)='./config/usb_gadget/g1/functions/uvc.usb0\x00', 0x1ff) mkdir(&(0x7f0000000800)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', 0x1ff) symlink(&(0x7f0000000900)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000a00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/fs/h\x00') symlink(&(0x7f0000000b00)='./config/usb_gadget/g1/functions/uvc.usb0/control/header/h\x00', &(0x7f0000000c00)='./config/usb_gadget/g1/functions/uvc.usb0/control/class/ss/h\x00') mkdir(&(0x7f0000000d00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u\x00', 0x1ff) mkdir(&(0x7f0000000e00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u/360p\x00', 0x1ff) mkdir(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', 0x1ff) symlink(&(0x7f0000001000)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/u\x00', &(0x7f0000001100)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h/u\x00') symlink(&(0x7f0000001200)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001300)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/fs/h\x00') symlink(&(0x7f0000001400)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001500)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/hs/h\x00') symlink(&(0x7f0000001600)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h\x00', &(0x7f0000001700)='./config/usb_gadget/g1/functions/uvc.usb0/streaming/class/ss/h\x00') symlink(&(0x7f0000001800)='./config/usb_gadget/g1/functions/uvc.usb0\x00', &(0x7f0000001900)='./config/usb_gadget/g1/configs/c.1/uvc.usb0\x00') write(0xffffffffffffffff, &(0x7f0000001b00)='dummy_udc.0\x00', 0xb) close(0xffffffffffffffff) 2.790139723s ago: executing program 2 (id=1250): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/idVendor\x00', 0x2, 0x0) write(r0, &(0x7f0000000180)='0x1d6b\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='0x0104\x00', 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x2, 0x0) write(r2, &(0x7f00000002c0)='1234567890\x00', 0xb) r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x2, 0x0) write(r3, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r4 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r4, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r5 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r5, &(0x7f0000000500)='Conf 1\x00', 0x7) r6 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r6, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r7 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r7, &(0x7f00000006c0)='Conf 2\x00', 0x7) r8 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r8, &(0x7f0000000740)='midi.usb0\x00') r9 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r9, &(0x7f00000007c0)='dummy_udc.0\x00', 0xb) r10 = openat(0xffffffffffffff9c, &(0x7f0000000840)='./sys/bus/usb/devices/2-1/bConfigurationValue\x00', 0x2, 0x0) write(r10, &(0x7f00000008c0)='2\x00', 0x2) write(r10, &(0x7f00000008e0)='1\x00', 0x2) write(r10, &(0x7f0000000900)='0\x00', 0x2) write(r9, &(0x7f0000000920)='\n\x00', 0x1) 2.752237664s ago: executing program 3 (id=1251): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000340)=[@window, @mss={0x2, 0x1}, @window, @timestamp, @sack_perm, @timestamp, @timestamp, @sack_perm], 0x2000000000000024) setsockopt$inet_tcp_TCP_REPAIR(r1, 0x6, 0x13, &(0x7f00000001c0), 0x4) sendto$inet(r1, &(0x7f00000004c0)="3ce2de4d8d957a8de4e490b6cd03b988d4edef164bd3377aa381b5f50b7ca414516489f78cd7208982e9bde22b2b7c1c7606d565477f3db9d2b077283644c0f27ab52a863a42863e06944e40a0b3c5d21c8cbe102e7f726263f28aef1bc12a069063d4c30e8f329fdb36859be727fbef4314161e5fb5f01ae00a2634d5cdecca2089c62e32f4c919886b2b88d237e287318739bec0364caf15889f38a312ef6621c0f21709a4bf2b16274cf933f6ad8fcc9c2024bc1b4713f650e860f93ae93b2361956b3e80c38c5fd29b5c1b5d7ce67edc856a8dc0ba54cee53de9a48c131389426bd06ec7c695add357934fc0321f0d3d7982e4fe5a0039decc491a663afd02facb08dd9695f854c7b031d9af8bd7350897996b5208b23030cc0feb84570730eaf24b9f2ac05d0feb3be07a29f887095f36f3c8f0e77e45509acd14a5be4a1572dd4cd1231087b830fa03e071571d4abd694710ef140469cf6df8a59839aafe046a5bffb97e5247be901789eafd726ba090337a2c49207e6b900c7e982472e6aac70e5d52ca2c1bab47b1f6d00f9601e2281686c21f770ae96e0ffec4b30496d012fa00958f794cdbd721bd155cae87", 0x109e8, 0x805, 0x0, 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) 2.682119896s ago: executing program 4 (id=1252): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./myconfig/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./myconfig/usb_gadget/g1/configs/c.1/acm.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0) write(r0, &(0x7f0000000900)='super-speed', 0xb) close(r0) write(0xffffffffffffffff, &(0x7f0000000e00)='0x0525', 0x6) close(0xffffffffffffffff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./myconfig/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f0000001000)='0xa4a6', 0x6) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./myconfig/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r2, &(0x7f0000000b00)='dummy_udc.0', 0xb) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f0000002100)='./mydev\x00', &(0x7f0000002200)='devtmpfs\x00', 0x0, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000002400)='./mydev/kmsg\x00', 0x1, 0x0) write(r4, &(0x7f0000002500)='hello world\n', 0xc) close(r4) write(r3, &(0x7f0000002500)='hello world\n', 0xc) read(r3, &(0x7f0000002600), 0x100) 2.464990231s ago: executing program 3 (id=1253): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x7, @ipv4={'\x00', '\xff\xff', @local}, 0x1}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000400)=0x1, 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) write$tun(r1, &(0x7f0000000340)=ANY=[], 0x141) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0x10012, r1, 0x0) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000080)=@gcm_128={{0x303}, "b7a41f2300", "d21b0e8a0e000000000000000600", "1d382e23", "ecba06893bcdc493"}, 0x28) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) writev(r0, &(0x7f0000001540)=[{&(0x7f0000000140)="58ddb007", 0x4}], 0x1) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f00000000c0)=0xffff1884, 0x4) 1.951729743s ago: executing program 1 (id=1254): openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./myconfig/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r0, &(0x7f0000001000)='0xa4a6', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./myconfig/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r1, &(0x7f0000000b00)='dummy_udc.0', 0xb) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f0000002100)='./mydev\x00', &(0x7f0000002200)='devtmpfs\x00', 0x0, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) 1.825244276s ago: executing program 4 (id=1255): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='dir0/tracing_on\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='dir0/trace_marker\x00', 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000600)=0x1) r3 = syz_clone(0x10f00, 0x0, 0x0, 0x0, 0x0, 0x0) sched_setaffinity(r3, 0x8, &(0x7f0000000700)=0x2) write(r1, &(0x7f0000000800)='a\n\x00', 0x2) write(r1, &(0x7f0000000900)='b\n\x00', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000a00)='dir0/per_cpu/cpu0/trace\x00', 0x0, 0x0) read(r2, &(0x7f0000000b00), 0x64) 1.825031076s ago: executing program 2 (id=1256): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff) symlinkat(&(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/acm.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./myconfig/usb_gadget/g1/configs/c.1/acm.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0) write(r0, &(0x7f0000000900)='super-speed', 0xb) close(r0) write(0xffffffffffffffff, &(0x7f0000000e00)='0x0525', 0x6) close(0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./mydev\x00', 0x1ff) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0) 0s ago: executing program 3 (id=1257): mkdir(&(0x7f0000000600)='./config\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000700)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/ecm.usb0/ifname\x00', 0x1, 0x0) write(r0, &(0x7f0000001000)='syzkaller%d', 0xb) kernel console output (not intermixed with test programs): d USB device number 32 using dummy_hcd [ 82.104401][ T311] usb 1-1: Dual-Role OTG device on HNP port [ 82.122592][ T311] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a6, bcdDevice= 0.00 [ 82.131694][ T311] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 82.139995][ T311] usb 1-1: Product: Test Gadget [ 82.144976][ T311] usb 1-1: Manufacturer: Linux Foundation [ 82.150714][ T311] usb 1-1: SerialNumber: 1234567890 [ 82.166585][ T311] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 82.176195][ T2891] hello world [ 82.265049][ T64] usb 1-1: USB disconnect, device number 32 [ 82.722588][ T311] usb 1-1: new high-speed USB device number 33 using dummy_hcd [ 82.875560][ T311] usb 1-1: Dual-Role OTG device on HNP port [ 82.881823][ T311] usb 1-1: New USB device found, idVendor=0525, idProduct=0104, bcdDevice= 0.00 [ 82.891194][ T311] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 82.899462][ T311] usb 1-1: Product: Test Gadget [ 82.904555][ T311] usb 1-1: Manufacturer: Linux Foundation [ 82.910504][ T311] usb 1-1: SerialNumber: 1234567890 [ 82.923331][ T311] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 83.008688][ T64] usb 1-1: USB disconnect, device number 33 [ 83.215833][ T2933] hello world [ 83.522627][ T311] usb 1-1: new high-speed USB device number 34 using dummy_hcd [ 83.675608][ T311] usb 1-1: Dual-Role OTG device on HNP port [ 83.681823][ T311] usb 1-1: New USB device found, idVendor=1d6b, idProduct=0104, bcdDevice= 0.00 [ 83.691192][ T311] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 83.699564][ T311] usb 1-1: Product: Test Gadget [ 83.712045][ T311] usb 1-1: Manufacturer: Linux Foundation [ 83.723975][ T311] usb 1-1: SerialNumber: 1234567890 [ 83.744923][ T311] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 83.799799][ T311] usb 1-1: USB disconnect, device number 34 [ 84.182585][ T311] usb 1-1: new high-speed USB device number 35 using dummy_hcd [ 84.343433][ T311] usb 1-1: Dual-Role OTG device on HNP port [ 84.349667][ T311] usb 1-1: New USB device found, idVendor=0005, idProduct=a4a6, bcdDevice= 0.00 [ 84.358843][ T311] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 84.366921][ T311] usb 1-1: Product: Test Gadget [ 84.372198][ T2967] hello world [ 84.375617][ T311] usb 1-1: Manufacturer: Linux Foundation [ 84.381748][ T311] usb 1-1: SerialNumber: 1234567890 [ 84.394838][ T311] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 84.602042][ T311] usb 1-1: USB disconnect, device number 35 [ 84.972593][ T311] usb 1-1: new high-speed USB device number 36 using dummy_hcd [ 85.125376][ T311] usb 1-1: Dual-Role OTG device on HNP port [ 85.131600][ T311] usb 1-1: New USB device found, idVendor=1d6b, idProduct=0104, bcdDevice= 0.00 [ 85.142144][ T311] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 85.150403][ T311] usb 1-1: Product: Test Gadget [ 85.155472][ T311] usb 1-1: Manufacturer: Linux Foundation [ 85.161295][ T311] usb 1-1: SerialNumber: 1234567890 [ 85.175083][ T311] cdc_acm 1-1:1.0: ttyACM0: USB ACM device [ 85.790496][ T3001] hello world [ 86.934429][ T3036] hello world [ 88.371547][ T3072] hello world [ 89.264454][ T3104] hello world [ 90.195557][ T3130] hello world [ 91.590522][ T3166] hello world [ 92.355347][ T36] audit: type=1400 audit(1785409369.370:165): avc: denied { read } for pid=3199 comm="syz-executor" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 92.389933][ T36] audit: type=1400 audit(1785409369.370:166): avc: denied { open } for pid=3199 comm="syz-executor" path="net:[4026531840]" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 92.424935][ T3199] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.432038][ T3199] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.441426][ T3199] bridge_slave_0: entered allmulticast mode [ 92.448028][ T3199] bridge_slave_0: entered promiscuous mode [ 92.454927][ T3199] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.461975][ T3199] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.469288][ T3199] bridge_slave_1: entered allmulticast mode [ 92.475857][ T3199] bridge_slave_1: entered promiscuous mode [ 92.581412][ T36] audit: type=1400 audit(1785409369.590:167): avc: denied { create } for pid=3199 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 92.609134][ T3199] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.616266][ T3199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.623729][ T3199] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.630775][ T3199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.639000][ T36] audit: type=1400 audit(1785409369.620:168): avc: denied { write } for pid=3199 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 92.659708][ T36] audit: type=1400 audit(1785409369.620:169): avc: denied { read } for pid=3199 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 92.702920][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.710347][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.722055][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.729182][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.739681][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.746903][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.782344][ T3199] veth0_vlan: entered promiscuous mode [ 92.799233][ T3199] veth1_macvtap: entered promiscuous mode [ 92.890946][ T353] usb 1-1: USB disconnect, device number 36 [ 92.906232][ T3198] hello world [ 93.361207][ T3246] configfs-gadget.g1 gadget.0: uvc: uvc_function_bind() [ 93.371820][ T3246] configfs-gadget.g1 gadget.0: uvc: Unable to allocate streaming EP [ 93.400354][ T3246] udc dummy_udc.0: failed to start g1: -22 [ 93.408414][ T3246] configfs-gadget.g1 gadget.0: probe with driver configfs-gadget.g1 failed with error -22 [ 93.419633][ T3248] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 [ 93.427416][ T99] FAULT_INJECTION: forcing a failure. [ 93.427416][ T99] name failslab, interval 1, probability 1, space 0, times 9 [ 93.441794][ T36] audit: type=1400 audit(1785409370.430:170): avc: denied { name_bind } for pid=3247 comm="syz.3.1251" src=20001 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 [ 93.464802][ T321] FAULT_INJECTION: forcing a failure. [ 93.464802][ T321] name failslab, interval 1, probability 1, space 0, times 9 [ 93.477519][ T3248] audit: out of memory in audit_log_start [ 93.482676][ T3246] UDC core: g1: couldn't find an available UDC or it's busy [ 93.483378][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 93.483406][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 93.483416][ T99] Call Trace: [ 93.483422][ T99] [ 93.483429][ T99] __dump_stack+0x21/0x30 [ 93.483459][ T99] dump_stack_lvl+0x140/0x1c0 [ 93.483482][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 93.483505][ T99] ? kernel_text_address+0xa9/0xe0 [ 93.483528][ T99] ? unwind_get_return_address+0x51/0x90 [ 93.483551][ T99] dump_stack+0x19/0x20 [ 93.483573][ T99] should_fail_ex+0x3c2/0x510 [ 93.483594][ T99] should_failslab+0xac/0x100 [ 93.483616][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 93.483635][ T99] ? __alloc_skb+0x10c/0x360 [ 93.483658][ T99] __alloc_skb+0x10c/0x360 [ 93.483704][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 93.483729][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 93.483748][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 93.483766][ T99] ? __kasan_check_write+0x18/0x20 [ 93.483784][ T99] ? _raw_spin_lock+0x92/0x120 [ 93.483803][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 93.483823][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 93.483849][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 93.483873][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 93.483899][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 93.483919][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 93.483941][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 93.483972][ T99] __sys_sendto+0x68d/0x700 [ 93.483997][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 93.484025][ T99] ? __kasan_check_write+0x18/0x20 [ 93.484043][ T99] __x64_sys_sendto+0xe9/0x100 [ 93.484068][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 93.484084][ T99] do_syscall_64+0x57/0xf0 [ 93.484103][ T99] ? clear_bhb_loop+0x50/0xa0 [ 93.484126][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 93.484147][ T99] RIP: 0033:0x7fc188ba9407 [ 93.484163][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 93.484177][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 93.484198][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 93.484212][ T99] RDX: 000000000000006f RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 93.484224][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 93.484235][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 93.484247][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000054 R15: 00007fffbf2bbfc0 [ 93.484261][ T99] [ 93.487745][ T321] CPU: 1 UID: 0 PID: 321 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 93.487770][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 93.487781][ T321] Call Trace: [ 93.487786][ T321] [ 93.487793][ T321] __dump_stack+0x21/0x30 [ 93.487819][ T321] dump_stack_lvl+0x140/0x1c0 [ 93.487842][ T321] ? __cfi_dump_stack_lvl+0x10/0x10 [ 93.487866][ T321] dump_stack+0x19/0x20 [ 93.487888][ T321] should_fail_ex+0x3c2/0x510 [ 93.487908][ T321] should_failslab+0xac/0x100 [ 93.487929][ T321] kmem_cache_alloc_noprof+0x42/0x410 [ 93.487947][ T321] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 93.487977][ T321] ? alloc_empty_file+0xbf/0x270 [ 93.487999][ T321] ? arch_stack_walk+0x10a/0x170 [ 93.488018][ T321] alloc_empty_file+0xbf/0x270 [ 93.488046][ T321] path_openat+0xf4/0x35a0 [ 93.488069][ T321] ? stack_depot_save_flags+0x38/0x800 [ 93.488090][ T321] ? kasan_save_track+0x4f/0x80 [ 93.488109][ T321] ? kasan_save_track+0x3e/0x80 [ 93.488128][ T321] ? kasan_save_alloc_info+0x3a/0x50 [ 93.488153][ T321] ? __kasan_slab_alloc+0x73/0x90 [ 93.488173][ T321] ? getname+0x1b/0x30 [ 93.488196][ T321] ? do_sys_openat2+0xda/0x1d0 [ 93.488219][ T321] ? __x64_sys_openat+0x13a/0x170 [ 93.488242][ T321] ? x64_sys_call+0xe69/0x2ee0 [ 93.488258][ T321] ? do_syscall_64+0x57/0xf0 [ 93.488279][ T321] ? do_filp_open+0x440/0x440 [ 93.488303][ T321] do_filp_open+0x1f2/0x440 [ 93.488325][ T321] ? __cfi_do_filp_open+0x10/0x10 [ 93.488349][ T321] ? alloc_fd+0x4c1/0x570 [ 93.488370][ T321] do_sys_openat2+0x134/0x1d0 [ 93.488393][ T321] ? do_sys_open+0x100/0x100 [ 93.488416][ T321] ? __cfi_do_unlinkat+0x10/0x10 [ 93.488440][ T321] __x64_sys_openat+0x13a/0x170 [ 93.488465][ T321] x64_sys_call+0xe69/0x2ee0 [ 93.488481][ T321] do_syscall_64+0x57/0xf0 [ 93.488500][ T321] ? clear_bhb_loop+0x50/0xa0 [ 93.488522][ T321] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 93.488544][ T321] RIP: 0033:0x7f6ad74a7407 [ 93.488560][ T321] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 93.488573][ T321] RSP: 002b:00007ffd2c200200 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 93.488599][ T321] RAX: ffffffffffffffda RBX: 00007f6ad7c9a880 RCX: 00007f6ad74a7407 [ 93.488612][ T321] RDX: 0000000000080000 RSI: 00007ffd2c200380 RDI: ffffffffffffff9c [ 93.488625][ T321] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 93.488636][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 00005643e7b587f5 [ 93.488647][ T321] R13: 00005643e7b587f5 R14: 0000000000000001 R15: 0000000000000000 [ 93.488661][ T321] [ 94.022841][ T10] FAULT_INJECTION: forcing a failure. [ 94.022841][ T10] name failslab, interval 1, probability 1, space 0, times 95 [ 94.024548][ T296] FAULT_INJECTION: forcing a failure. [ 94.024548][ T296] name failslab, interval 1, probability 1, space 0, times 95 [ 94.035620][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.035649][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.035660][ T10] Workqueue: mld mld_ifc_work [ 94.035686][ T10] Call Trace: [ 94.035692][ T10] [ 94.035699][ T10] __dump_stack+0x21/0x30 [ 94.035725][ T10] dump_stack_lvl+0x140/0x1c0 [ 94.035748][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.035772][ T10] dump_stack+0x19/0x20 [ 94.035794][ T10] should_fail_ex+0x3c2/0x510 [ 94.035814][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 94.035835][ T10] should_failslab+0xac/0x100 [ 94.035879][ T10] kmem_cache_alloc_noprof+0x42/0x410 [ 94.035897][ T10] ? kasan_save_alloc_info+0x3a/0x50 [ 94.035922][ T10] ? dst_alloc+0x13c/0x240 [ 94.035941][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 94.035960][ T10] dst_alloc+0x13c/0x240 [ 94.035979][ T10] icmp6_dst_alloc+0xef/0x4f0 [ 94.035995][ T10] mld_sendpack+0x5ac/0xd10 [ 94.036016][ T10] ? add_grec+0x1400/0x1400 [ 94.036034][ T10] ? add_grec+0xfa8/0x1400 [ 94.036053][ T10] ? __asan_memcpy+0x5a/0x80 [ 94.036071][ T10] ? __cfi_mutex_lock+0x10/0x10 [ 94.036096][ T10] mld_ifc_work+0x7cc/0xc40 [ 94.036114][ T10] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 94.036135][ T10] process_scheduled_works+0x7f7/0x1060 [ 94.036157][ T10] worker_thread+0xc99/0x13f0 [ 94.036186][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 94.036218][ T10] ? __kasan_check_read+0x15/0x20 [ 94.036235][ T10] kthread+0x2c7/0x360 [ 94.036255][ T10] ? __cfi_worker_thread+0x10/0x10 [ 94.036272][ T10] ? __cfi_kthread+0x10/0x10 [ 94.036291][ T10] ret_from_fork+0x67/0xa0 [ 94.036315][ T10] ? __cfi_kthread+0x10/0x10 [ 94.036341][ T10] ret_from_fork_asm+0x1a/0x30 [ 94.036367][ T10] [ 94.036806][ C0] FAULT_INJECTION: forcing a failure. [ 94.036806][ C0] name failslab, interval 1, probability 1, space 0, times 94 [ 94.049121][ T110] FAULT_INJECTION: forcing a failure. [ 94.049121][ T110] name failslab, interval 1, probability 1, space 0, times 94 [ 94.060016][ C0] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.060045][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.060059][ C0] Workqueue: mld mld_ifc_work [ 94.060083][ C0] Call Trace: [ 94.060089][ C0] [ 94.060096][ C0] __dump_stack+0x21/0x30 [ 94.060123][ C0] dump_stack_lvl+0x140/0x1c0 [ 94.060146][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.060171][ C0] dump_stack+0x19/0x20 [ 94.060192][ C0] should_fail_ex+0x3c2/0x510 [ 94.060212][ C0] should_failslab+0xac/0x100 [ 94.060234][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 94.060252][ C0] ? skb_clone+0x21d/0x470 [ 94.060268][ C0] ? __cfi_br_multicast_count+0x10/0x10 [ 94.060293][ C0] skb_clone+0x21d/0x470 [ 94.060309][ C0] br_flood+0x650/0x720 [ 94.060329][ C0] br_handle_frame_finish+0x1157/0x1620 [ 94.060349][ C0] ? mld_sendpack+0x751/0xd10 [ 94.060369][ C0] ? mld_ifc_work+0x7cc/0xc40 [ 94.060387][ C0] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 94.060410][ C0] br_handle_frame+0x5a5/0xba0 [ 94.060430][ C0] ? __cfi_br_handle_frame+0x10/0x10 [ 94.060449][ C0] __netif_receive_skb_core+0xfc1/0x3a70 [ 94.060474][ C0] ? __kfree_skb+0x18f/0x210 [ 94.060497][ C0] ? ip6_mc_input+0x433/0x680 [ 94.060521][ C0] ? ip6_mc_input+0x433/0x680 [ 94.060544][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 94.060567][ C0] ? qdisc_run_end+0x120/0x120 [ 94.060589][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 94.060612][ C0] ? ip6_rcv_finish+0x344/0x3c0 [ 94.060634][ C0] ? ipv6_rcv+0xf1/0x240 [ 94.060655][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 94.060672][ C0] ? __kasan_check_write+0x18/0x20 [ 94.060690][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 94.060709][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 94.060730][ C0] process_backlog+0x40b/0xaf0 [ 94.060755][ C0] ? __kasan_check_write+0x18/0x20 [ 94.060773][ C0] __napi_poll+0xd0/0x600 [ 94.060795][ C0] net_rx_action+0x5dc/0xd70 [ 94.060820][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 94.060843][ C0] ? sched_clock+0x44/0x60 [ 94.060875][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 94.060900][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 94.060924][ C0] handle_softirqs+0x1aa/0x620 [ 94.060943][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 94.060967][ C0] __do_softirq+0xf/0x16 [ 94.060987][ C0] do_softirq+0xb8/0x110 [ 94.061003][ C0] [ 94.061009][ C0] [ 94.061016][ C0] ? __cfi_do_softirq+0x10/0x10 [ 94.061033][ C0] __local_bh_enable_ip+0x74/0x80 [ 94.061050][ C0] __dev_queue_xmit+0x1b23/0x3780 [ 94.061072][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 94.061094][ C0] ? fib_rules_lookup+0x7c7/0xa20 [ 94.061116][ C0] ? __cfi_fib_rules_lookup+0x10/0x10 [ 94.061138][ C0] ? __cfi___dev_queue_xmit+0x10/0x10 [ 94.061160][ C0] ? mroute6_is_socket+0x227/0x360 [ 94.061184][ C0] ? __cfi_mroute6_is_socket+0x10/0x10 [ 94.061209][ C0] ? ip6t_do_table+0x1d2/0x1510 [ 94.061225][ C0] ? __asan_memcpy+0x5a/0x80 [ 94.061242][ C0] ip6_finish_output2+0x16b2/0x1990 [ 94.061267][ C0] ? __cfi_ip6_finish_output2+0x10/0x10 [ 94.061289][ C0] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 94.061309][ C0] ip6_finish_output+0x535/0xaf0 [ 94.061331][ C0] ip6_output+0x1fe/0x420 [ 94.061351][ C0] ? __cfi_ip6_output+0x10/0x10 [ 94.061371][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 94.061391][ C0] ? __cfi_ip6t_do_table+0x10/0x10 [ 94.061408][ C0] ? __cfi_ip6_output+0x10/0x10 [ 94.061428][ C0] mld_sendpack+0x751/0xd10 [ 94.061448][ C0] ? add_grec+0x1400/0x1400 [ 94.061466][ C0] ? add_grec+0xfa8/0x1400 [ 94.061485][ C0] ? __cfi_dst_output+0x10/0x10 [ 94.061504][ C0] ? __cfi_mutex_lock+0x10/0x10 [ 94.061527][ C0] mld_ifc_work+0x7cc/0xc40 [ 94.061545][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 94.061565][ C0] process_scheduled_works+0x7f7/0x1060 [ 94.061586][ C0] worker_thread+0xc99/0x13f0 [ 94.061604][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 94.061623][ C0] ? __kasan_check_read+0x15/0x20 [ 94.061641][ C0] kthread+0x2c7/0x360 [ 94.061660][ C0] ? __cfi_worker_thread+0x10/0x10 [ 94.061677][ C0] ? __cfi_kthread+0x10/0x10 [ 94.061696][ C0] ret_from_fork+0x67/0xa0 [ 94.061719][ C0] ? __cfi_kthread+0x10/0x10 [ 94.061738][ C0] ret_from_fork_asm+0x1a/0x30 [ 94.061756][ C0] [ 94.062015][ T3252] FAULT_INJECTION: forcing a failure. [ 94.062015][ T3252] name failslab, interval 1, probability 1, space 0, times 93 [ 94.086240][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.086270][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.086282][ T296] Call Trace: [ 94.086288][ T296] [ 94.086295][ T296] __dump_stack+0x21/0x30 [ 94.086324][ T296] dump_stack_lvl+0x140/0x1c0 [ 94.086348][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.086481][ T296] dump_stack+0x19/0x20 [ 94.086504][ T296] should_fail_ex+0x3c2/0x510 [ 94.086526][ T296] should_failslab+0xac/0x100 [ 94.086549][ T296] __kmalloc_node_noprof+0x69/0x500 [ 94.086569][ T296] ? __kvmalloc_node_noprof+0x128/0x300 [ 94.086597][ T296] __kvmalloc_node_noprof+0x128/0x300 [ 94.086623][ T296] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 94.086649][ T296] ? __kmalloc_noprof+0x261/0x510 [ 94.086669][ T296] xt_replace_table+0x1a6/0x880 [ 94.086689][ T296] __do_replace+0x17c/0x9a0 [ 94.086711][ T296] ? translate_compat_table+0x20a0/0x20a0 [ 94.086733][ T296] ? _copy_from_user+0x87/0xa0 [ 94.086756][ T296] ? copy_from_sockptr_offset+0x77/0xb0 [ 94.086785][ T296] do_ipt_set_ctl+0xa76/0xd60 [ 94.086806][ T296] ? do_wp_page+0xd85/0x2e80 [ 94.086827][ T296] ? __cfi_do_ipt_set_ctl+0x10/0x10 [ 94.086846][ T296] ? _raw_spin_unlock_bh+0x54/0x60 [ 94.086867][ T296] ? release_sock+0x171/0x1f0 [ 94.086892][ T296] ? __cfi_do_ip_setsockopt+0x10/0x10 [ 94.086921][ T296] ? __kasan_check_write+0x18/0x20 [ 94.086938][ T296] ? mutex_unlock+0x90/0x240 [ 94.086961][ T296] ? __cfi_mutex_unlock+0x10/0x10 [ 94.086993][ T296] ? selinux_socket_setsockopt+0x324/0x3d0 [ 94.087026][ T296] nf_setsockopt+0x290/0x2b0 [ 94.087047][ T296] ip_setsockopt+0xf6/0x100 [ 94.087066][ T296] tcp_setsockopt+0xef/0x110 [ 94.087087][ T296] sock_common_setsockopt+0xb5/0xd0 [ 94.087108][ T296] ? __cfi_sock_common_setsockopt+0x10/0x10 [ 94.087129][ T296] do_sock_setsockopt+0x27c/0x410 [ 94.087147][ T296] ? __cfi_do_sock_setsockopt+0x10/0x10 [ 94.087164][ T296] ? __kasan_check_write+0x18/0x20 [ 94.087181][ T296] ? do_user_addr_fault+0xbf5/0x1230 [ 94.087221][ T296] ? __kasan_check_read+0x15/0x20 [ 94.087239][ T296] __x64_sys_setsockopt+0x1b7/0x250 [ 94.087256][ T296] x64_sys_call+0x2adc/0x2ee0 [ 94.087273][ T296] do_syscall_64+0x57/0xf0 [ 94.087292][ T296] ? clear_bhb_loop+0x50/0xa0 [ 94.087316][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.087338][ T296] RIP: 0033:0x7f7fe259f7da [ 94.087360][ T296] Code: 48 83 ec 10 48 63 c9 48 63 ff 45 89 c9 6a 2c e8 6c 99 fb ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 94.087374][ T296] RSP: 002b:00007ffe24297298 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 94.087395][ T296] RAX: ffffffffffffffda RBX: 00007ffe24297320 RCX: 00007f7fe259f7da [ 94.087408][ T296] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 94.087419][ T296] RBP: 0000000000000003 R08: 0000000000000240 R09: 0000000000000000 [ 94.087430][ T296] R10: 00007f7fe27f0460 R11: 0000000000000202 R12: 00007f7fe27f0400 [ 94.087442][ T296] R13: 00007ffe242972bc R14: 0000000000000000 R15: 00007f7fe27f1180 [ 94.087456][ T296] [ 94.087627][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.087650][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.087659][ T110] Call Trace: [ 94.087665][ T110] [ 94.087671][ T110] __dump_stack+0x21/0x30 [ 94.087695][ T110] dump_stack_lvl+0x140/0x1c0 [ 94.087718][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.087742][ T110] dump_stack+0x19/0x20 [ 94.087764][ T110] should_fail_ex+0x3c2/0x510 [ 94.087784][ T110] should_failslab+0xac/0x100 [ 94.087804][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 94.087830][ T110] ? getname_flags+0xcc/0x6b0 [ 94.087849][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 94.087866][ T110] getname_flags+0xcc/0x6b0 [ 94.087882][ T110] ? putname+0x113/0x150 [ 94.087899][ T110] vfs_fstatat+0xcb/0x1d0 [ 94.087918][ T110] __se_sys_newfstatat+0x127/0x3c0 [ 94.087940][ T110] ? __x64_sys_newfstatat+0xc0/0xc0 [ 94.087963][ T110] ? __kasan_slab_free+0x6a/0x80 [ 94.087992][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 94.088012][ T110] ? xfd_validate_state+0x68/0x140 [ 94.088037][ T110] __x64_sys_newfstatat+0x9f/0xc0 [ 94.088059][ T110] x64_sys_call+0x1821/0x2ee0 [ 94.088075][ T110] do_syscall_64+0x57/0xf0 [ 94.088093][ T110] ? clear_bhb_loop+0x50/0xa0 [ 94.088115][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.088136][ T110] RIP: 0033:0x7f6ad7511b0a [ 94.088150][ T110] Code: 48 8b 15 f1 f2 0d 00 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 8b 15 b9 f2 0d 00 f7 [ 94.088163][ T110] RSP: 002b:00007ffd2c204988 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 94.088181][ T110] RAX: ffffffffffffffda RBX: 00005643e7b6a430 RCX: 00007f6ad7511b0a [ 94.088194][ T110] RDX: 00007ffd2c204990 RSI: 00005643e7b58ee9 RDI: 00000000ffffff9c [ 94.088207][ T110] RBP: 0000564413469728 R08: 00063478c1c69200 R09: 4000000000000000 [ 94.088220][ T110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.088231][ T110] R13: 00007ffd2c204990 R14: 0000000000000000 R15: 00063478c1c69200 [ 94.088245][ T110] [ 94.151488][ T3254] hello world [ 94.153228][ T3252] CPU: 0 UID: 0 PID: 3252 Comm: syz.4.1252 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.153259][ T3252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.153271][ T3252] Call Trace: [ 94.153277][ T3252] [ 94.153284][ T3252] __dump_stack+0x21/0x30 [ 94.153316][ T3252] dump_stack_lvl+0x140/0x1c0 [ 94.153341][ T3252] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.153368][ T3252] ? should_fail_ex+0x201/0x510 [ 94.153389][ T3252] dump_stack+0x19/0x20 [ 94.153411][ T3252] should_fail_ex+0x3c2/0x510 [ 94.153431][ T3252] should_failslab+0xac/0x100 [ 94.153455][ T3252] kmem_cache_alloc_noprof+0x42/0x410 [ 94.153475][ T3252] ? __kernfs_new_node+0xf1/0x740 [ 94.153499][ T3252] __kernfs_new_node+0xf1/0x740 [ 94.153520][ T3252] ? bpf_lsm_kernfs_init_security+0xd/0x20 [ 94.153544][ T3252] ? kernfs_new_node+0x280/0x280 [ 94.153566][ T3252] ? __kasan_check_write+0x18/0x20 [ 94.153584][ T3252] ? down_write+0xee/0x2b0 [ 94.153609][ T3252] ? rpm_resume+0xb92/0x1670 [ 94.153630][ T3252] kernfs_new_node+0x154/0x280 [ 94.153652][ T3252] kernfs_create_link+0xa8/0x200 [ 94.153678][ T3252] sysfs_do_create_link_sd+0x8a/0x120 [ 94.153698][ T3252] sysfs_create_link+0x6c/0x90 [ 94.153716][ T3252] driver_sysfs_add+0x91/0x240 [ 94.153741][ T3252] really_probe+0x178/0x8b0 [ 94.153766][ T3252] __driver_probe_device+0x193/0x280 [ 94.153791][ T3252] driver_probe_device+0x54/0x3f0 [ 94.153816][ T3252] __driver_attach+0x422/0x5e0 [ 94.153840][ T3252] bus_for_each_dev+0x249/0x2d0 [ 94.153859][ T3252] ? __cfi___driver_attach+0x10/0x10 [ 94.153883][ T3252] ? __cfi_bus_for_each_dev+0x10/0x10 [ 94.153903][ T3252] ? _raw_spin_unlock+0x45/0x60 [ 94.153923][ T3252] ? klist_add_tail+0x1dd/0x220 [ 94.153942][ T3252] driver_attach+0x46/0x50 [ 94.153965][ T3252] bus_add_driver+0x393/0x730 [ 94.153995][ T3252] driver_register+0x2b7/0x3c0 [ 94.154013][ T3252] usb_gadget_register_driver_owner+0xfc/0x270 [ 94.154034][ T3252] gadget_dev_desc_UDC_store+0x224/0x350 [ 94.154054][ T3252] configfs_write_iter+0x32f/0x490 [ 94.154075][ T3252] ? __cfi_gadget_dev_desc_UDC_store+0x10/0x10 [ 94.154095][ T3252] vfs_write+0x762/0xfd0 [ 94.154115][ T3252] ? __cfi_vfs_write+0x10/0x10 [ 94.154133][ T3252] ? __cfi_mutex_lock+0x10/0x10 [ 94.154159][ T3252] ksys_write+0x145/0x260 [ 94.154177][ T3252] ? xfd_validate_state+0x68/0x140 [ 94.154203][ T3252] ? __cfi_ksys_write+0x10/0x10 [ 94.154223][ T3252] ? __kasan_check_write+0x18/0x20 [ 94.154241][ T3252] ? fpregs_restore_userregs+0x11c/0x260 [ 94.154264][ T3252] __x64_sys_write+0x7f/0x90 [ 94.154283][ T3252] x64_sys_call+0x271c/0x2ee0 [ 94.154300][ T3252] do_syscall_64+0x57/0xf0 [ 94.154319][ T3252] ? clear_bhb_loop+0x50/0xa0 [ 94.154342][ T3252] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.154365][ T3252] RIP: 0033:0x7f007579df99 [ 94.154381][ T3252] 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 [ 94.154396][ T3252] RSP: 002b:00007f0076624028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.154418][ T3252] RAX: ffffffffffffffda RBX: 00007f0075a26090 RCX: 00007f007579df99 [ 94.154432][ T3252] RDX: 000000000000000b RSI: 0000200000000b00 RDI: 0000000000000003 [ 94.154444][ T3252] RBP: 00007f0075834ec4 R08: 0000000000000000 R09: 0000000000000000 [ 94.154456][ T3252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.154467][ T3252] R13: 00007f0075a26128 R14: 00007f0075a26090 R15: 00007ffea0686d58 [ 94.154483][ T3252] [ 94.154503][ T3252] configfs-gadget.g1 gadget.0: really_probe: driver_sysfs_add failed [ 94.163218][ T293] FAULT_INJECTION: forcing a failure. [ 94.163218][ T293] name failslab, interval 1, probability 1, space 0, times 87 [ 94.167622][ T3252] UDC core: g1: couldn't find an available UDC or it's busy [ 94.172293][ T13] FAULT_INJECTION: forcing a failure. [ 94.172293][ T13] name failslab, interval 1, probability 1, space 0, times 87 [ 94.177144][ T321] FAULT_INJECTION: forcing a failure. [ 94.177144][ T321] name failslab, interval 1, probability 1, space 0, times 87 [ 94.182270][ T293] CPU: 1 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.182297][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.182308][ T293] Call Trace: [ 94.182313][ T293] [ 94.182320][ T293] __dump_stack+0x21/0x30 [ 94.182349][ T293] dump_stack_lvl+0x140/0x1c0 [ 94.182371][ T293] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.182396][ T293] dump_stack+0x19/0x20 [ 94.182417][ T293] should_fail_ex+0x3c2/0x510 [ 94.182437][ T293] should_failslab+0xac/0x100 [ 94.182459][ T293] kmem_cache_alloc_noprof+0x42/0x410 [ 94.182487][ T293] ? security_file_alloc+0x49/0x220 [ 94.182512][ T293] ? kasan_save_alloc_info+0x3a/0x50 [ 94.182542][ T293] security_file_alloc+0x49/0x220 [ 94.182567][ T293] init_file+0x9e/0x210 [ 94.182589][ T293] alloc_empty_file+0xd9/0x270 [ 94.182611][ T293] path_openat+0xf4/0x35a0 [ 94.182633][ T293] ? stack_depot_save_flags+0x38/0x800 [ 94.182655][ T293] ? kasan_save_track+0x4f/0x80 [ 94.182673][ T293] ? kasan_save_track+0x3e/0x80 [ 94.182691][ T293] ? kasan_save_alloc_info+0x3a/0x50 [ 94.182715][ T293] ? __kasan_slab_alloc+0x73/0x90 [ 94.182735][ T293] ? getname+0x1b/0x30 [ 94.182753][ T293] ? do_sys_openat2+0xda/0x1d0 [ 94.182776][ T293] ? __x64_sys_openat+0x13a/0x170 [ 94.182799][ T293] ? x64_sys_call+0xe69/0x2ee0 [ 94.182815][ T293] ? do_syscall_64+0x57/0xf0 [ 94.182837][ T293] ? do_filp_open+0x440/0x440 [ 94.182860][ T293] do_filp_open+0x1f2/0x440 [ 94.182882][ T293] ? __cfi_do_filp_open+0x10/0x10 [ 94.182906][ T293] ? alloc_fd+0x4c1/0x570 [ 94.182927][ T293] do_sys_openat2+0x134/0x1d0 [ 94.182950][ T293] ? putname+0x113/0x150 [ 94.182968][ T293] ? do_sys_open+0x100/0x100 [ 94.182990][ T293] ? do_mkdirat+0x4e0/0x530 [ 94.183012][ T293] ? __cfi_do_mkdirat+0x10/0x10 [ 94.183035][ T293] ? __kasan_check_write+0x18/0x20 [ 94.183052][ T293] __x64_sys_openat+0x13a/0x170 [ 94.183076][ T293] x64_sys_call+0xe69/0x2ee0 [ 94.183092][ T293] do_syscall_64+0x57/0xf0 [ 94.183111][ T293] ? clear_bhb_loop+0x50/0xa0 [ 94.183133][ T293] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.183155][ T293] RIP: 0033:0x7ff7bfb59117 [ 94.183171][ T293] 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 [ 94.183184][ T293] RSP: 002b:00007fff723c7a70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 94.183205][ T293] RAX: ffffffffffffffda RBX: 000055558ad9d500 RCX: 00007ff7bfb59117 [ 94.183218][ T293] RDX: 0000000000000002 RSI: 00007fff723c7ba0 RDI: ffffffffffffff9c [ 94.183231][ T293] RBP: 00007fff723c7b4c R08: 0000000000000000 R09: 0000000000000000 [ 94.183242][ T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000012a [ 94.183253][ T293] R13: 00000000000927c0 R14: 0000000000016fa7 R15: 00007fff723c7ba0 [ 94.183268][ T293] [ 94.183715][ T293] FAULT_INJECTION: forcing a failure. [ 94.183715][ T293] name failslab, interval 1, probability 1, space 0, times 86 [ 94.186925][ T110] FAULT_INJECTION: forcing a failure. [ 94.186925][ T110] name failslab, interval 1, probability 1, space 0, times 86 [ 94.194329][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.194354][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.194366][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 94.194390][ T13] Call Trace: [ 94.194395][ T13] [ 94.194402][ T13] __dump_stack+0x21/0x30 [ 94.194428][ T13] dump_stack_lvl+0x140/0x1c0 [ 94.194451][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.194482][ T13] dump_stack+0x19/0x20 [ 94.194504][ T13] should_fail_ex+0x3c2/0x510 [ 94.194524][ T13] ? ___neigh_create+0x741/0x2100 [ 94.194545][ T13] should_failslab+0xac/0x100 [ 94.194566][ T13] __kmalloc_noprof+0x69/0x510 [ 94.194584][ T13] ? ___neigh_create+0x741/0x2100 [ 94.194603][ T13] ? ip6t_do_table+0x1355/0x1510 [ 94.194620][ T13] ___neigh_create+0x741/0x2100 [ 94.194641][ T13] ? __kasan_check_read+0x15/0x20 [ 94.194658][ T13] ? selinux_ip_postroute+0x291/0xfe0 [ 94.194678][ T13] __neigh_create+0x72/0xb0 [ 94.194698][ T13] ip6_finish_output2+0xba2/0x1990 [ 94.194723][ T13] ? __cfi_ip6_finish_output2+0x10/0x10 [ 94.194746][ T13] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 94.194766][ T13] ip6_finish_output+0x535/0xaf0 [ 94.194787][ T13] ip6_output+0x1fe/0x420 [ 94.194808][ T13] ? __cfi_ip6_output+0x10/0x10 [ 94.194828][ T13] ? __cfi_ip6_finish_output+0x10/0x10 [ 94.194849][ T13] ? __cfi_ip6t_do_table+0x10/0x10 [ 94.194866][ T13] ? __cfi_ip6_output+0x10/0x10 [ 94.194886][ T13] ndisc_send_skb+0x777/0xca0 [ 94.194905][ T13] ? __cfi_ndisc_send_skb+0x10/0x10 [ 94.194922][ T13] ? __cfi_dst_output+0x10/0x10 [ 94.194939][ T13] ? __asan_memcpy+0x5a/0x80 [ 94.194956][ T13] ? __ndisc_fill_addr_option+0xe2/0x140 [ 94.194974][ T13] ndisc_send_rs+0x675/0x880 [ 94.194992][ T13] addrconf_dad_completed+0x973/0xef0 [ 94.195012][ T13] ? addrconf_dad_stop+0x460/0x460 [ 94.195031][ T13] addrconf_dad_work+0xc7f/0x1550 [ 94.195049][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 94.195068][ T13] ? kick_pool+0xb9/0x540 [ 94.195089][ T13] process_scheduled_works+0x7f7/0x1060 [ 94.195109][ T13] worker_thread+0xc99/0x13f0 [ 94.195128][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 94.195147][ T13] ? __kasan_check_read+0x15/0x20 [ 94.195165][ T13] kthread+0x2c7/0x360 [ 94.195184][ T13] ? __cfi_worker_thread+0x10/0x10 [ 94.195202][ T13] ? __cfi_kthread+0x10/0x10 [ 94.195221][ T13] ret_from_fork+0x67/0xa0 [ 94.195244][ T13] ? __cfi_kthread+0x10/0x10 [ 94.195264][ T13] ret_from_fork_asm+0x1a/0x30 [ 94.195282][ T13] [ 94.196713][ T99] FAULT_INJECTION: forcing a failure. [ 94.196713][ T99] name failslab, interval 1, probability 1, space 0, times 85 [ 94.197789][ T321] CPU: 0 UID: 0 PID: 321 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.197813][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.197823][ T321] Call Trace: [ 94.197829][ T321] [ 94.197835][ T321] __dump_stack+0x21/0x30 [ 94.197860][ T321] dump_stack_lvl+0x140/0x1c0 [ 94.197883][ T321] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.197905][ T321] ? consume_skb+0x65/0x1a0 [ 94.197929][ T321] ? netlink_sendmsg+0x7d1/0xad0 [ 94.197947][ T321] ? ____sys_sendmsg+0x99e/0xa00 [ 94.197964][ T321] ? ___sys_sendmsg+0x2a6/0x370 [ 94.197990][ T321] ? x64_sys_call+0x2a4c/0x2ee0 [ 94.198007][ T321] ? do_syscall_64+0x57/0xf0 [ 94.198026][ T321] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.198049][ T321] dump_stack+0x19/0x20 [ 94.198071][ T321] should_fail_ex+0x3c2/0x510 [ 94.198091][ T321] should_failslab+0xac/0x100 [ 94.198113][ T321] kmem_cache_alloc_node_noprof+0x45/0x420 [ 94.198133][ T321] ? __alloc_skb+0x10c/0x360 [ 94.198156][ T321] __alloc_skb+0x10c/0x360 [ 94.198178][ T321] alloc_skb_with_frags+0xd0/0x8b0 [ 94.198201][ T321] ? __kasan_slab_free+0x6a/0x80 [ 94.198221][ T321] ? kmem_cache_free+0x1bd/0x4f0 [ 94.198240][ T321] sock_alloc_send_pskb+0x883/0x9a0 [ 94.198258][ T321] ? __kfree_skb+0x18f/0x210 [ 94.198283][ T321] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 94.198300][ T321] ? __kasan_check_write+0x18/0x20 [ 94.198318][ T321] ? _raw_spin_lock+0x92/0x120 [ 94.198337][ T321] ? __cfi__raw_spin_lock+0x10/0x10 [ 94.198357][ T321] unix_dgram_sendmsg+0x63a/0x1a90 [ 94.198383][ T321] ? selinux_socket_sendmsg+0x281/0x380 [ 94.198408][ T321] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.198434][ T321] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 94.198453][ T321] ? security_socket_sendmsg+0x3d/0x100 [ 94.198476][ T321] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.198499][ T321] sock_write_iter+0x442/0x490 [ 94.198520][ T321] ? __cfi_sock_write_iter+0x10/0x10 [ 94.198542][ T321] vfs_write+0x762/0xfd0 [ 94.198561][ T321] ? __cfi_vfs_write+0x10/0x10 [ 94.198578][ T321] ? putname+0x113/0x150 [ 94.198597][ T321] ? __kasan_check_read+0x15/0x20 [ 94.198614][ T321] ? __kasan_check_read+0x15/0x20 [ 94.198631][ T321] ksys_write+0x145/0x260 [ 94.198649][ T321] ? __cfi_ksys_write+0x10/0x10 [ 94.198668][ T321] ? __kasan_check_read+0x15/0x20 [ 94.198685][ T321] __x64_sys_write+0x7f/0x90 [ 94.198703][ T321] x64_sys_call+0x271c/0x2ee0 [ 94.198719][ T321] do_syscall_64+0x57/0xf0 [ 94.198737][ T321] ? clear_bhb_loop+0x50/0xa0 [ 94.198759][ T321] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.198781][ T321] RIP: 0033:0x7f6ad74a7407 [ 94.198797][ T321] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 94.198811][ T321] RSP: 002b:00007ffd2c204830 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 94.198830][ T321] RAX: ffffffffffffffda RBX: 00007f6ad7c9a880 RCX: 00007f6ad74a7407 [ 94.198844][ T321] RDX: 0000000000000000 RSI: 00007ffd2c2048d7 RDI: 000000000000000a [ 94.198855][ T321] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 [ 94.198866][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6ad7c9a6e8 [ 94.198877][ T321] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 94.198890][ T321] [ 94.198932][ T321] udevd[321]: failed to send result of seq 7615 to main daemon: No buffer space available [ 94.208811][ T293] CPU: 1 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.208843][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.208854][ T293] Call Trace: [ 94.208861][ T293] [ 94.208868][ T293] __dump_stack+0x21/0x30 [ 94.208897][ T293] dump_stack_lvl+0x140/0x1c0 [ 94.208920][ T293] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.208943][ T293] ? is_bpf_text_address+0x17b/0x1a0 [ 94.208968][ T293] dump_stack+0x19/0x20 [ 94.208990][ T293] should_fail_ex+0x3c2/0x510 [ 94.209011][ T293] should_failslab+0xac/0x100 [ 94.209033][ T293] __kmalloc_cache_node_noprof+0x46/0x430 [ 94.209052][ T293] ? __get_vm_area_node+0x150/0x390 [ 94.209077][ T293] __get_vm_area_node+0x150/0x390 [ 94.209101][ T293] __vmalloc_node_range_noprof+0x340/0x1300 [ 94.209126][ T293] ? alloc_counters+0x75/0x520 [ 94.209145][ T293] ? kasan_save_track+0x3e/0x80 [ 94.209164][ T293] ? kasan_save_free_info+0x44/0x50 [ 94.209188][ T293] ? __kasan_slab_free+0x5f/0x80 [ 94.209207][ T293] ? kfree+0x158/0x440 [ 94.209223][ T293] ? nf_getsockopt+0x28b/0x2b0 [ 94.209243][ T293] ? ip_getsockopt+0x15b/0x200 [ 94.209261][ T293] ? __x64_sys_getsockopt+0x1d4/0x280 [ 94.209278][ T293] ? x64_sys_call+0x10db/0x2ee0 [ 94.209297][ T293] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 94.209321][ T293] ? __asan_memcpy+0x5a/0x80 [ 94.209339][ T293] ? avc_has_perm_noaudit+0x289/0x360 [ 94.209369][ T293] ? alloc_counters+0x75/0x520 [ 94.209388][ T293] vzalloc_noprof+0x103/0x1d0 [ 94.209411][ T293] ? alloc_counters+0x75/0x520 [ 94.209431][ T293] ? __cfi_vzalloc_noprof+0x10/0x10 [ 94.209456][ T293] ? __kasan_check_write+0x18/0x20 [ 94.209473][ T293] ? mutex_lock+0x97/0x1d0 [ 94.209496][ T293] ? __cfi_mutex_lock+0x10/0x10 [ 94.209518][ T293] alloc_counters+0x75/0x520 [ 94.209537][ T293] ? selinux_capable+0x38/0x50 [ 94.209559][ T293] ? xt_find_table_lock+0x3c9/0x460 [ 94.209577][ T293] do_ipt_get_ctl+0xab5/0x1210 [ 94.209598][ T293] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 94.209619][ T293] ? sockopt_release_sock+0x5b/0x70 [ 94.209642][ T293] ? do_ip_getsockopt+0x1096/0x17b0 [ 94.209662][ T293] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 94.209681][ T293] ? kasan_save_track+0x4f/0x80 [ 94.209700][ T293] ? security_file_permission+0xc0/0xf0 [ 94.209725][ T293] ? __kasan_slab_alloc+0x73/0x90 [ 94.209745][ T293] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 94.209765][ T293] ? sock_alloc_file+0xbe/0x2b0 [ 94.209786][ T293] ? __sys_socket+0x14c/0x1c0 [ 94.209807][ T293] ? __x64_sys_socket+0x7e/0x90 [ 94.209834][ T293] ? x64_sys_call+0x2608/0x2ee0 [ 94.209851][ T293] ? avc_has_perm_noaudit+0x26b/0x360 [ 94.209871][ T293] ? __asan_memcpy+0x5a/0x80 [ 94.209889][ T293] ? __kasan_check_write+0x18/0x20 [ 94.209906][ T293] ? mutex_unlock+0x90/0x240 [ 94.209928][ T293] ? __cfi_mutex_unlock+0x10/0x10 [ 94.209951][ T293] ? avc_has_perm+0x155/0x240 [ 94.209970][ T293] ? __cfi_avc_has_perm+0x10/0x10 [ 94.209990][ T293] nf_getsockopt+0x28b/0x2b0 [ 94.210011][ T293] ip_getsockopt+0x15b/0x200 [ 94.210030][ T293] ? security_file_permission+0xc0/0xf0 [ 94.210054][ T293] ? __cfi_ip_getsockopt+0x10/0x10 [ 94.210075][ T293] tcp_getsockopt+0x103/0x130 [ 94.210096][ T293] ? errseq_sample+0x48/0x70 [ 94.210119][ T293] sock_common_getsockopt+0xb2/0xd0 [ 94.210141][ T293] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 94.210162][ T293] do_sock_getsockopt+0x3a1/0x6c0 [ 94.210180][ T293] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 94.210203][ T293] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 94.210222][ T293] __x64_sys_getsockopt+0x1d4/0x280 [ 94.210241][ T293] x64_sys_call+0x10db/0x2ee0 [ 94.210258][ T293] do_syscall_64+0x57/0xf0 [ 94.210277][ T293] ? clear_bhb_loop+0x50/0xa0 [ 94.210300][ T293] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.210322][ T293] RIP: 0033:0x7ff7bfb9f76a [ 94.210338][ T293] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 94.210361][ T293] RSP: 002b:00007fff723c7418 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 [ 94.210382][ T293] RAX: ffffffffffffffda RBX: 00007fff723c74a0 RCX: 00007ff7bfb9f76a [ 94.210397][ T293] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 94.210408][ T293] RBP: 0000000000000003 R08: 00007fff723c743c R09: 0000000000000000 [ 94.210420][ T293] R10: 00007fff723c74a0 R11: 0000000000000216 R12: 00007ff7bfdeefc0 [ 94.210433][ T293] R13: 00007fff723c743c R14: 0000000000000000 R15: 00007ff7bfdf1180 [ 94.210448][ T293] [ 94.210487][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.210509][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.210519][ T99] Call Trace: [ 94.210525][ T99] [ 94.210531][ T99] __dump_stack+0x21/0x30 [ 94.210554][ T99] dump_stack_lvl+0x140/0x1c0 [ 94.210577][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.210600][ T99] ? should_fail_ex+0x201/0x510 [ 94.210620][ T99] dump_stack+0x19/0x20 [ 94.210641][ T99] should_fail_ex+0x3c2/0x510 [ 94.210661][ T99] should_failslab+0xac/0x100 [ 94.210682][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 94.210701][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 94.210720][ T99] ? __alloc_skb+0x10c/0x360 [ 94.210742][ T99] ? __asan_memcpy+0x5a/0x80 [ 94.210760][ T99] __alloc_skb+0x10c/0x360 [ 94.210782][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 94.210806][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 94.210826][ T99] ? __kasan_check_write+0x18/0x20 [ 94.210844][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 94.210865][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 94.210883][ T99] ? __kasan_check_write+0x18/0x20 [ 94.210900][ T99] ? _raw_spin_lock+0x92/0x120 [ 94.210919][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 94.210939][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 94.210965][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 94.210996][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.211022][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 94.211042][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 94.211064][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.211088][ T99] __sys_sendto+0x68d/0x700 [ 94.211113][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 94.211139][ T99] ? __cfi___sys_connect+0x10/0x10 [ 94.211166][ T99] __x64_sys_sendto+0xe9/0x100 [ 94.211191][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 94.211207][ T99] do_syscall_64+0x57/0xf0 [ 94.211226][ T99] ? clear_bhb_loop+0x50/0xa0 [ 94.211248][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.211270][ T99] RIP: 0033:0x7fc188ba9407 [ 94.211283][ T99] 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 [ 94.211298][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 94.211316][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 94.211329][ T99] RDX: 0000000000000055 RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 94.211341][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 94.211359][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 94.211372][ T99] R13: 00007fffbf2bbfc0 R14: 000000000000003a R15: 00007fffbf2bbfc0 [ 94.211388][ T99] [ 94.212184][ T293] syz-executor: vmalloc error: size 64, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 94.217444][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.217472][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.217484][ T110] Call Trace: [ 94.217489][ T110] [ 94.217496][ T110] __dump_stack+0x21/0x30 [ 94.217522][ T110] dump_stack_lvl+0x140/0x1c0 [ 94.217544][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.217569][ T110] dump_stack+0x19/0x20 [ 94.217591][ T110] should_fail_ex+0x3c2/0x510 [ 94.217610][ T110] ? security_inode_init_security+0x11c/0x600 [ 94.217633][ T110] should_failslab+0xac/0x100 [ 94.217654][ T110] __kmalloc_noprof+0x69/0x510 [ 94.217673][ T110] ? security_inode_init_security+0x11c/0x600 [ 94.217694][ T110] ? get_inode_acl+0x50/0x50 [ 94.217720][ T110] ? __cfi_shmem_initxattrs+0x10/0x10 [ 94.217744][ T110] security_inode_init_security+0x11c/0x600 [ 94.217767][ T110] ? __cfi_security_inode_init_security+0x10/0x10 [ 94.217788][ T110] ? __kasan_check_write+0x18/0x20 [ 94.217805][ T110] ? set_cached_acl+0xe1/0x1a0 [ 94.217829][ T110] ? simple_acl_create+0x190/0x1c0 [ 94.217846][ T110] shmem_mknod+0xd5/0x200 [ 94.217878][ T110] shmem_create+0x38/0x50 [ 94.217900][ T110] ? __cfi_shmem_create+0x10/0x10 [ 94.217923][ T110] path_openat+0x150b/0x35a0 [ 94.217949][ T110] ? do_filp_open+0x440/0x440 [ 94.217972][ T110] do_filp_open+0x1f2/0x440 [ 94.217994][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 94.218019][ T110] ? alloc_fd+0x4c1/0x570 [ 94.218039][ T110] do_sys_openat2+0x134/0x1d0 [ 94.218064][ T110] ? do_sys_open+0x100/0x100 [ 94.218088][ T110] __x64_sys_openat+0x13a/0x170 [ 94.218112][ T110] x64_sys_call+0xe69/0x2ee0 [ 94.218128][ T110] do_syscall_64+0x57/0xf0 [ 94.218148][ T110] ? clear_bhb_loop+0x50/0xa0 [ 94.218171][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.218193][ T110] RIP: 0033:0x7f6ad74a7407 [ 94.218207][ T110] 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 [ 94.218222][ T110] RSP: 002b:00007ffd2c204950 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 94.218243][ T110] RAX: ffffffffffffffda RBX: 00007f6ad7c9a880 RCX: 00007f6ad74a7407 [ 94.218256][ T110] RDX: 0000000000080141 RSI: 00005643e7b5802e RDI: ffffffffffffff9c [ 94.218269][ T110] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 94.218280][ T110] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 94.218292][ T110] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 94.218307][ T110] [ 94.218403][ T110] udevd[110]: could not touch /run/udev/queue: Cannot allocate memory [ 94.231778][ T99] FAULT_INJECTION: forcing a failure. [ 94.231778][ T99] name failslab, interval 1, probability 1, space 0, times 79 [ 94.248467][ T295] FAULT_INJECTION: forcing a failure. [ 94.248467][ T295] name failslab, interval 1, probability 1, space 0, times 79 [ 94.262560][ T293] ,cpuset= [ 94.267142][ T295] CPU: 0 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.267170][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.267181][ T295] Call Trace: [ 94.267187][ T295] [ 94.267194][ T295] __dump_stack+0x21/0x30 [ 94.267222][ T295] dump_stack_lvl+0x140/0x1c0 [ 94.267245][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.267268][ T295] ? __mark_inode_dirty+0x51d/0xc50 [ 94.267289][ T295] dump_stack+0x19/0x20 [ 94.267310][ T295] should_fail_ex+0x3c2/0x510 [ 94.267330][ T295] should_failslab+0xac/0x100 [ 94.267352][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 94.267370][ T295] ? iterate_dir+0x2f8/0x5c0 [ 94.267391][ T295] ? getname_flags+0xcc/0x6b0 [ 94.267411][ T295] getname_flags+0xcc/0x6b0 [ 94.267429][ T295] ? __x64_sys_getdents64+0xa0/0xa0 [ 94.267451][ T295] user_path_at+0x2b/0x60 [ 94.267471][ T295] __x64_sys_umount+0xfa/0x180 [ 94.267488][ T295] ? __cfi___x64_sys_umount+0x10/0x10 [ 94.267504][ T295] ? __kasan_check_read+0x15/0x20 [ 94.267523][ T295] x64_sys_call+0x2ab8/0x2ee0 [ 94.267539][ T295] do_syscall_64+0x57/0xf0 [ 94.267556][ T295] ? clear_bhb_loop+0x50/0xa0 [ 94.267580][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.267602][ T295] RIP: 0033:0x7f75f599f1d7 [ 94.267618][ T295] Code: a2 c7 05 1c 35 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 [ 94.267632][ T295] RSP: 002b:00007ffe20a21828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 94.267653][ T295] RAX: ffffffffffffffda RBX: 00007f75f5a34314 RCX: 00007f75f599f1d7 [ 94.267666][ T295] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe20a218e0 [ 94.267678][ T295] RBP: 00007ffe20a218e0 R08: 00007ffe20a228e0 R09: 00000000ffffffff [ 94.267692][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe20a22970 [ 94.267704][ T295] R13: 00007f75f5a34314 R14: 0000000000016fd3 R15: 00007ffe20a229b0 [ 94.267720][ T295] [ 94.267839][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.267870][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.267880][ T99] Call Trace: [ 94.267885][ T99] [ 94.267892][ T99] __dump_stack+0x21/0x30 [ 94.267915][ T99] dump_stack_lvl+0x140/0x1c0 [ 94.267938][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.267962][ T99] dump_stack+0x19/0x20 [ 94.267984][ T99] should_fail_ex+0x3c2/0x510 [ 94.268003][ T99] ? security_sk_alloc+0x65/0x260 [ 94.268027][ T99] should_failslab+0xac/0x100 [ 94.268047][ T99] __kmalloc_noprof+0x69/0x510 [ 94.268065][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 94.268103][ T99] ? security_sk_alloc+0x65/0x260 [ 94.268125][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 94.268146][ T99] security_sk_alloc+0x65/0x260 [ 94.268169][ T99] sk_prot_alloc+0x123/0x3a0 [ 94.268203][ T99] sk_alloc+0x40/0x590 [ 94.268226][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 94.268247][ T99] unix_create1+0xb7/0x760 [ 94.268269][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 94.268292][ T99] unix_create+0x15a/0x220 [ 94.268313][ T99] __sock_create+0x3a5/0x810 [ 94.268337][ T99] __sys_socket+0xe1/0x1c0 [ 94.268359][ T99] __x64_sys_socket+0x7e/0x90 [ 94.268382][ T99] x64_sys_call+0x2608/0x2ee0 [ 94.268399][ T99] do_syscall_64+0x57/0xf0 [ 94.268418][ T99] ? clear_bhb_loop+0x50/0xa0 [ 94.268440][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.268462][ T99] RIP: 0033:0x7fc188c24707 [ 94.268476][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 94.268491][ T99] RSP: 002b:00007fffbf2bbe98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 94.268509][ T99] RAX: ffffffffffffffda RBX: 000000000000004e RCX: 00007fc188c24707 [ 94.268522][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 94.268534][ T99] RBP: 00007fc188cb0560 R08: 0000000000000000 R09: 0000000000000000 [ 94.268545][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 94.268556][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000033 R15: 00007fffbf2bbfc0 [ 94.268571][ T99] [ 94.277838][ T99] FAULT_INJECTION: forcing a failure. [ 94.277838][ T99] name failslab, interval 1, probability 1, space 0, times 75 [ 94.299341][ T293] syz1 [ 94.302241][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 94.302268][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 94.302279][ T99] Call Trace: [ 94.302285][ T99] [ 94.302292][ T99] __dump_stack+0x21/0x30 [ 94.302319][ T99] dump_stack_lvl+0x140/0x1c0 [ 94.302342][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 94.302366][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 94.302392][ T99] dump_stack+0x19/0x20 [ 94.302414][ T99] should_fail_ex+0x3c2/0x510 [ 94.302434][ T99] should_failslab+0xac/0x100 [ 94.302456][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 94.302475][ T99] ? __alloc_skb+0x10c/0x360 [ 94.302499][ T99] __alloc_skb+0x10c/0x360 [ 94.302525][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 94.302546][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 94.302570][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 94.302597][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 94.302617][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 94.302636][ T99] ? __kasan_check_write+0x18/0x20 [ 94.302653][ T99] ? _raw_spin_lock+0x92/0x120 [ 94.302672][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 94.302692][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 94.302717][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 94.302742][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.302768][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 94.302788][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 94.302811][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 94.302835][ T99] __sys_sendto+0x68d/0x700 [ 94.302867][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 94.302893][ T99] ? __cfi___sys_connect+0x10/0x10 [ 94.302919][ T99] ? __kasan_check_write+0x18/0x20 [ 94.302937][ T99] __x64_sys_sendto+0xe9/0x100 [ 94.302962][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 94.302979][ T99] do_syscall_64+0x57/0xf0 [ 94.302998][ T99] ? clear_bhb_loop+0x50/0xa0 [ 94.303021][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 94.303042][ T99] RIP: 0033:0x7fc188ba9407 [ 94.303058][ T99] 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 [ 94.303072][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 94.303092][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 94.303105][ T99] RDX: 0000000000000053 RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 94.303118][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 94.303130][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 94.303142][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000038 R15: 00007fffbf2bbfc0 [ 94.303156][ T99] [ 94.303880][ T99] FAULT_INJECTION: forcing a failure. [ 94.303880][ T99] name failslab, interval 1, probability 1, space 0, times 74 [ 95.212625][ C1] FAULT_INJECTION: forcing a failure. [ 95.212625][ C1] name failslab, interval 1, probability 1, space 0, times 74 [ 95.217384][ T293] ,mems_allowed=0 [ 95.225320][ C1] CPU: 1 UID: 0 PID: 2722 Comm: syz.0.1047 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.225351][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.225362][ C1] Call Trace: [ 95.225369][ C1] [ 95.225376][ C1] __dump_stack+0x21/0x30 [ 95.225405][ C1] dump_stack_lvl+0x140/0x1c0 [ 95.225428][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.225451][ C1] ? __kasan_check_write+0x18/0x20 [ 95.225471][ C1] dump_stack+0x19/0x20 [ 95.225500][ C1] should_fail_ex+0x3c2/0x510 [ 95.225521][ C1] should_failslab+0xac/0x100 [ 95.225541][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 95.225560][ C1] ? __cfi_wg_packet_send_staged_packets+0x10/0x10 [ 95.225584][ C1] ? __alloc_skb+0x10c/0x360 [ 95.225607][ C1] __alloc_skb+0x10c/0x360 [ 95.225629][ C1] wg_packet_send_keepalive+0x66/0x1d0 [ 95.225650][ C1] ? wg_expired_send_persistent_keepalive+0x48/0x80 [ 95.225672][ C1] wg_expired_send_persistent_keepalive+0x57/0x80 [ 95.225693][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 95.225715][ C1] call_timer_fn+0x4c/0x300 [ 95.225738][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 95.225760][ C1] __run_timer_base+0x6c0/0x9b0 [ 95.225783][ C1] ? timer_expire_remote+0xa0/0xa0 [ 95.225803][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 95.225829][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 95.225853][ C1] run_timer_softirq+0x35/0x70 [ 95.225873][ C1] handle_softirqs+0x1aa/0x620 [ 95.225893][ C1] __irq_exit_rcu+0x47/0xb0 [ 95.225910][ C1] irq_exit_rcu+0xd/0x30 [ 95.225927][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 95.225950][ C1] [ 95.225957][ C1] [ 95.225963][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 95.225986][ C1] RIP: 0010:tracing_read_pipe+0x448/0xd20 [ 95.226007][ C1] Code: 74 64 48 c7 c7 a0 da 60 87 e8 d4 2c 18 04 bf 08 00 00 00 44 89 ee e8 27 97 fa ff 41 83 fd 07 0f 87 e0 07 00 00 e8 d8 92 fa ff <4e> 8d 34 ed 80 8b 1f 87 4c 89 f0 48 c1 e8 03 49 bd 00 00 00 00 00 [ 95.226021][ C1] RSP: 0018:ffffc9000fa17c10 EFLAGS: 00000246 [ 95.226039][ C1] RAX: ffffffff818cdee8 RBX: dffffc0000000000 RCX: 0000000000080000 [ 95.226053][ C1] RDX: ffffc90002e07000 RSI: 000000000007ffff RDI: 0000000000080000 [ 95.226066][ C1] RBP: ffffc9000fa17c90 R08: ffffffff8760daaf R09: 1ffffffff0ec1b55 [ 95.226079][ C1] R10: dffffc0000000000 R11: fffffbfff0ec1b56 R12: ffff888117118000 [ 95.226092][ C1] R13: 0000000000000000 R14: ffff888117118020 R15: ffff88811711c080 [ 95.226107][ C1] ? tracing_read_pipe+0x448/0xd20 [ 95.226126][ C1] ? __cfi_tracing_read_pipe+0x10/0x10 [ 95.226142][ C1] vfs_read+0x28b/0xc70 [ 95.226159][ C1] ? __cfi_selinux_file_ioctl+0x10/0x10 [ 95.226178][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 95.226199][ C1] ? __cfi_vfs_read+0x10/0x10 [ 95.226215][ C1] ? __mutex_lock_slowpath+0xe/0x20 [ 95.226237][ C1] ? mutex_lock+0x113/0x1d0 [ 95.226259][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 95.226283][ C1] ksys_read+0x145/0x260 [ 95.226300][ C1] ? __cfi_ksys_read+0x10/0x10 [ 95.226318][ C1] ? __kasan_check_read+0x15/0x20 [ 95.226336][ C1] __x64_sys_read+0x7f/0x90 [ 95.226353][ C1] x64_sys_call+0x2638/0x2ee0 [ 95.226370][ C1] do_syscall_64+0x57/0xf0 [ 95.226388][ C1] ? clear_bhb_loop+0x50/0xa0 [ 95.226410][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 95.226431][ C1] RIP: 0033:0x7f2b6d99df99 [ 95.226447][ C1] 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 [ 95.226461][ C1] RSP: 002b:00007f2b6c3f7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 95.226480][ C1] RAX: ffffffffffffffda RBX: 00007f2b6dc26090 RCX: 00007f2b6d99df99 [ 95.226500][ C1] RDX: 0000000000000064 RSI: 0000200000000c00 RDI: 0000000000000004 [ 95.226512][ C1] RBP: 00007f2b6da34ec4 R08: 0000000000000000 R09: 0000000000000000 [ 95.226524][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.226536][ C1] R13: 00007f2b6dc26128 R14: 00007f2b6dc26090 R15: 00007ffe43fdb988 [ 95.226551][ C1] [ 95.763063][ C0] FAULT_INJECTION: forcing a failure. [ 95.763063][ C0] name failslab, interval 1, probability 1, space 0, times 73 [ 95.763093][ C0] CPU: 0 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.763115][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.763126][ C0] Call Trace: [ 95.763131][ C0] [ 95.763137][ C0] __dump_stack+0x21/0x30 [ 95.763166][ C0] dump_stack_lvl+0x140/0x1c0 [ 95.763186][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.763207][ C0] ? ref_tracker_alloc+0x356/0x5b0 [ 95.763226][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 95.763244][ C0] ? dst_alloc+0x163/0x240 [ 95.763261][ C0] dump_stack+0x19/0x20 [ 95.763281][ C0] should_fail_ex+0x3c2/0x510 [ 95.763299][ C0] should_failslab+0xac/0x100 [ 95.763318][ C0] __kmalloc_cache_noprof+0x41/0x470 [ 95.763336][ C0] ? dst_cow_metrics_generic+0x65/0x2a0 [ 95.763352][ C0] ? dst_init+0x329/0x430 [ 95.763369][ C0] dst_cow_metrics_generic+0x65/0x2a0 [ 95.763386][ C0] icmp6_dst_alloc+0x313/0x4f0 [ 95.763401][ C0] ndisc_send_skb+0x2a6/0xca0 [ 95.763417][ C0] ? should_fail_ex+0x201/0x510 [ 95.763433][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 95.763449][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 95.763465][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 95.763488][ C0] ? __asan_memset+0x39/0x50 [ 95.763502][ C0] ? __ndisc_fill_addr_option+0xdb/0x140 [ 95.763519][ C0] ndisc_send_rs+0x675/0x880 [ 95.763534][ C0] addrconf_rs_timer+0x362/0x620 [ 95.763553][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.763571][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 95.763597][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 95.763614][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.763631][ C0] call_timer_fn+0x4c/0x300 [ 95.763652][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.763670][ C0] __run_timer_base+0x6c0/0x9b0 [ 95.763689][ C0] ? timer_expire_remote+0xa0/0xa0 [ 95.763707][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 95.763731][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 95.763753][ C0] run_timer_softirq+0x35/0x70 [ 95.763771][ C0] handle_softirqs+0x1aa/0x620 [ 95.763788][ C0] __irq_exit_rcu+0x47/0xb0 [ 95.763803][ C0] irq_exit_rcu+0xd/0x30 [ 95.763818][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 95.763839][ C0] [ 95.763844][ C0] [ 95.763851][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 95.763871][ C0] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 95.763896][ C0] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 95.763909][ C0] RSP: 0018:ffffc9000115eee0 EFLAGS: 00000293 [ 95.763925][ C0] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: ffff888101bf5f00 [ 95.763938][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 95.763949][ C0] RBP: ffffc9000115f010 R08: 0000000000000003 R09: 0000000000000004 [ 95.763960][ C0] R10: dffffc0000000000 R11: fffff5200022bdcc R12: dffffc0000000000 [ 95.763972][ C0] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 95.763984][ C0] ? console_flush_all+0x6f8/0xab0 [ 95.764006][ C0] ? console_flush_all+0x771/0xab0 [ 95.764026][ C0] ? __console_rewind_all+0x170/0x170 [ 95.764047][ C0] ? __kasan_check_read+0x15/0x20 [ 95.764062][ C0] ? is_printk_cpu_sync_owner+0x39/0x50 [ 95.764084][ C0] ? is_printk_legacy_deferred+0x5c/0x70 [ 95.764100][ C0] console_unlock+0xf8/0x2c0 [ 95.764118][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 95.764136][ C0] ? __cfi_console_unlock+0x10/0x10 [ 95.764155][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 95.764175][ C0] ? vprintk_emit+0x53f/0x650 [ 95.764194][ C0] vprintk_emit+0x282/0x650 [ 95.764213][ C0] ? __cfi_vprintk_emit+0x10/0x10 [ 95.764232][ C0] ? preempt_schedule_irq+0xab/0x110 [ 95.764252][ C0] vprintk_default+0x2a/0x40 [ 95.764270][ C0] vprintk+0x93/0xa0 [ 95.764284][ C0] _printk+0xde/0x140 [ 95.764302][ C0] ? sysvec_reschedule_ipi+0x72/0x80 [ 95.764323][ C0] ? __cfi__printk+0x10/0x10 [ 95.764341][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x70 [ 95.764360][ C0] cpuset_print_current_mems_allowed+0xc9/0xf0 [ 95.764381][ C0] warn_alloc+0x1d6/0x2c0 [ 95.764401][ C0] ? __kasan_kmalloc+0x28/0xb0 [ 95.764419][ C0] ? __cfi_warn_alloc+0x10/0x10 [ 95.764438][ C0] ? __get_vm_area_node+0x150/0x390 [ 95.764460][ C0] ? __get_vm_area_node+0x382/0x390 [ 95.764482][ C0] __vmalloc_node_range_noprof+0x365/0x1300 [ 95.764504][ C0] ? kasan_save_track+0x3e/0x80 [ 95.764520][ C0] ? kasan_save_free_info+0x44/0x50 [ 95.764542][ C0] ? __kasan_slab_free+0x5f/0x80 [ 95.764559][ C0] ? kfree+0x158/0x440 [ 95.764580][ C0] ? nf_getsockopt+0x28b/0x2b0 [ 95.764597][ C0] ? ip_getsockopt+0x15b/0x200 [ 95.764614][ C0] ? __x64_sys_getsockopt+0x1d4/0x280 [ 95.764630][ C0] ? x64_sys_call+0x10db/0x2ee0 [ 95.764646][ C0] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 95.764668][ C0] ? __asan_memcpy+0x5a/0x80 [ 95.764683][ C0] ? avc_has_perm_noaudit+0x289/0x360 [ 95.764703][ C0] ? alloc_counters+0x75/0x520 [ 95.764719][ C0] vzalloc_noprof+0x103/0x1d0 [ 95.764741][ C0] ? alloc_counters+0x75/0x520 [ 95.764758][ C0] ? __cfi_vzalloc_noprof+0x10/0x10 [ 95.764780][ C0] ? __kasan_check_write+0x18/0x20 [ 95.764794][ C0] ? mutex_lock+0x97/0x1d0 [ 95.764814][ C0] ? __cfi_mutex_lock+0x10/0x10 [ 95.764833][ C0] alloc_counters+0x75/0x520 [ 95.764849][ C0] ? selinux_capable+0x38/0x50 [ 95.764868][ C0] ? xt_find_table_lock+0x3c9/0x460 [ 95.764884][ C0] do_ipt_get_ctl+0xab5/0x1210 [ 95.764902][ C0] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 95.764920][ C0] ? sockopt_release_sock+0x5b/0x70 [ 95.764941][ C0] ? do_ip_getsockopt+0x1096/0x17b0 [ 95.764958][ C0] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 95.764975][ C0] ? kasan_save_track+0x4f/0x80 [ 95.764991][ C0] ? security_file_permission+0xc0/0xf0 [ 95.765013][ C0] ? __kasan_slab_alloc+0x73/0x90 [ 95.765030][ C0] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 95.765047][ C0] ? sock_alloc_file+0xbe/0x2b0 [ 95.765064][ C0] ? __sys_socket+0x14c/0x1c0 [ 95.765084][ C0] ? __x64_sys_socket+0x7e/0x90 [ 95.765104][ C0] ? x64_sys_call+0x2608/0x2ee0 [ 95.765118][ C0] ? avc_has_perm_noaudit+0x26b/0x360 [ 95.765136][ C0] ? __asan_memcpy+0x5a/0x80 [ 95.765152][ C0] ? __kasan_check_write+0x18/0x20 [ 95.765166][ C0] ? mutex_unlock+0x90/0x240 [ 95.765186][ C0] ? __cfi_mutex_unlock+0x10/0x10 [ 95.765206][ C0] ? avc_has_perm+0x155/0x240 [ 95.765223][ C0] ? __cfi_avc_has_perm+0x10/0x10 [ 95.765240][ C0] nf_getsockopt+0x28b/0x2b0 [ 95.765258][ C0] ip_getsockopt+0x15b/0x200 [ 95.765274][ C0] ? security_file_permission+0xc0/0xf0 [ 95.765295][ C0] ? __cfi_ip_getsockopt+0x10/0x10 [ 95.765313][ C0] tcp_getsockopt+0x103/0x130 [ 95.765330][ C0] ? errseq_sample+0x48/0x70 [ 95.765351][ C0] sock_common_getsockopt+0xb2/0xd0 [ 95.765370][ C0] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 95.765388][ C0] do_sock_getsockopt+0x3a1/0x6c0 [ 95.765403][ C0] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 95.765423][ C0] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 95.765440][ C0] __x64_sys_getsockopt+0x1d4/0x280 [ 95.765456][ C0] x64_sys_call+0x10db/0x2ee0 [ 95.765470][ C0] do_syscall_64+0x57/0xf0 [ 95.765486][ C0] ? clear_bhb_loop+0x50/0xa0 [ 95.765506][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 95.765525][ C0] RIP: 0033:0x7ff7bfb9f76a [ 95.765538][ C0] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 95.765551][ C0] RSP: 002b:00007fff723c7418 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 [ 95.765567][ C0] RAX: ffffffffffffffda RBX: 00007fff723c74a0 RCX: 00007ff7bfb9f76a [ 95.765585][ C0] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 95.765595][ C0] RBP: 0000000000000003 R08: 00007fff723c743c R09: 0000000000000000 [ 95.765606][ C0] R10: 00007fff723c74a0 R11: 0000000000000216 R12: 00007ff7bfdeefc0 [ 95.765617][ C0] R13: 00007fff723c743c R14: 0000000000000000 R15: 00007ff7bfdf1180 [ 95.765630][ C0] [ 95.772923][ C1] FAULT_INJECTION: forcing a failure. [ 95.772923][ C1] name failslab, interval 1, probability 1, space 0, times 72 [ 95.776914][ T293] [ 95.782223][ C1] CPU: 1 UID: 0 PID: 21 Comm: rcub/0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.782250][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.782262][ C1] Call Trace: [ 95.782268][ C1] [ 95.782275][ C1] __dump_stack+0x21/0x30 [ 95.782304][ C1] dump_stack_lvl+0x140/0x1c0 [ 95.782327][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.782351][ C1] ? ref_tracker_alloc+0x356/0x5b0 [ 95.782373][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 95.782393][ C1] ? dst_alloc+0x163/0x240 [ 95.782421][ C1] dump_stack+0x19/0x20 [ 95.782443][ C1] should_fail_ex+0x3c2/0x510 [ 95.782463][ C1] should_failslab+0xac/0x100 [ 95.782485][ C1] __kmalloc_cache_noprof+0x41/0x470 [ 95.782504][ C1] ? dst_cow_metrics_generic+0x65/0x2a0 [ 95.782528][ C1] ? dst_init+0x329/0x430 [ 95.782547][ C1] dst_cow_metrics_generic+0x65/0x2a0 [ 95.782566][ C1] icmp6_dst_alloc+0x313/0x4f0 [ 95.782584][ C1] ndisc_send_skb+0x2a6/0xca0 [ 95.782602][ C1] ? should_fail_ex+0x201/0x510 [ 95.782622][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 95.782640][ C1] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 95.782659][ C1] ? kmalloc_reserve+0xcf/0x4f0 [ 95.782684][ C1] ? __asan_memcpy+0x5a/0x80 [ 95.782702][ C1] ? __ndisc_fill_addr_option+0xe2/0x140 [ 95.782720][ C1] ndisc_send_rs+0x675/0x880 [ 95.782739][ C1] addrconf_rs_timer+0x362/0x620 [ 95.782760][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.782780][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 95.782800][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 95.782820][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.782840][ C1] call_timer_fn+0x4c/0x300 [ 95.782874][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 95.782895][ C1] __run_timer_base+0x6c0/0x9b0 [ 95.782918][ C1] ? timer_expire_remote+0xa0/0xa0 [ 95.782938][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 95.782964][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 95.782988][ C1] run_timer_softirq+0x35/0x70 [ 95.783009][ C1] handle_softirqs+0x1aa/0x620 [ 95.783029][ C1] __irq_exit_rcu+0x47/0xb0 [ 95.783046][ C1] irq_exit_rcu+0xd/0x30 [ 95.783063][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 95.783087][ C1] [ 95.783093][ C1] [ 95.783100][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 95.783123][ C1] RIP: 0010:rt_mutex_slowlock_block+0x466/0x690 [ 95.783144][ C1] Code: 48 8b 45 88 80 3c 18 00 4c 8b 65 80 74 08 4c 89 e7 e8 2e b1 3a fc 48 8b 45 c0 49 39 04 24 4c 8b 65 a0 0f 85 c3 fc ff ff f3 90 <48> 8b 45 a8 80 3c 18 00 0f 84 16 ff ff ff 4c 89 e7 e8 04 b1 3a fc [ 95.783159][ C1] RSP: 0018:ffffc90000157b50 EFLAGS: 00000246 [ 95.783177][ C1] RAX: ffffc90000157c60 RBX: dffffc0000000000 RCX: 1ffff1102037ebe2 [ 95.783192][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 [ 95.783204][ C1] RBP: ffffc90000157c10 R08: ffffc90000157ac7 R09: 1ffff9200002af58 [ 95.783227][ C1] R10: dffffc0000000000 R11: fffff5200002af59 R12: ffffffff875c7fd0 [ 95.783240][ C1] R13: ffff888101bf5f00 R14: ffff888103665f00 R15: ffff8881036667d0 [ 95.783259][ C1] rt_mutex_slowlock+0x205/0x4e0 [ 95.783278][ C1] ? rt_mutex_adjust_prio_chain+0x15e0/0x15e0 [ 95.783299][ C1] ? irqentry_exit+0x4a/0x60 [ 95.783314][ C1] ? sysvec_call_function_single+0x4d/0x90 [ 95.783339][ C1] rt_mutex_lock+0x117/0x1c0 [ 95.783356][ C1] ? __cfi_rt_mutex_lock+0x10/0x10 [ 95.783373][ C1] ? __kasan_check_write+0x18/0x20 [ 95.783391][ C1] rcu_boost_kthread+0x23b/0x7f0 [ 95.783424][ C1] kthread+0x2c7/0x360 [ 95.783443][ C1] ? __cfi_rcu_boost_kthread+0x10/0x10 [ 95.783468][ C1] ? __cfi_kthread+0x10/0x10 [ 95.783488][ C1] ret_from_fork+0x67/0xa0 [ 95.783512][ C1] ? __cfi_kthread+0x10/0x10 [ 95.783532][ C1] ret_from_fork_asm+0x1a/0x30 [ 95.783550][ C1] [ 95.922566][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.922599][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.922610][ T99] Call Trace: [ 95.922618][ T99] [ 95.922626][ T99] __dump_stack+0x21/0x30 [ 95.922655][ T99] dump_stack_lvl+0x140/0x1c0 [ 95.922679][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.922703][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 95.922727][ T99] dump_stack+0x19/0x20 [ 95.922749][ T99] should_fail_ex+0x3c2/0x510 [ 95.922770][ T99] should_failslab+0xac/0x100 [ 95.922791][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 95.922811][ T99] ? __alloc_skb+0x10c/0x360 [ 95.922835][ T99] __alloc_skb+0x10c/0x360 [ 95.922864][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 95.922885][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 95.922909][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 95.922937][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 95.922957][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 95.922975][ T99] ? __kasan_check_write+0x18/0x20 [ 95.922993][ T99] ? _raw_spin_lock+0x92/0x120 [ 95.923012][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 95.923032][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 95.923057][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 95.923083][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 95.923108][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 95.923127][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 95.923151][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 95.923175][ T99] __sys_sendto+0x68d/0x700 [ 95.923199][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 95.923223][ T99] ? selinux_socket_connect+0x27/0x40 [ 95.923245][ T99] ? __cfi___sys_connect+0x10/0x10 [ 95.923272][ T99] ? __kasan_check_write+0x18/0x20 [ 95.923290][ T99] __x64_sys_sendto+0xe9/0x100 [ 95.923315][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 95.923332][ T99] do_syscall_64+0x57/0xf0 [ 95.923351][ T99] ? clear_bhb_loop+0x50/0xa0 [ 95.923375][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 95.923418][ T99] RIP: 0033:0x7fc188ba9407 [ 95.923435][ T99] 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 [ 95.923449][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 95.923470][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 95.923484][ T99] RDX: 000000000000004e RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 95.923496][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 95.923509][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 95.923520][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000033 R15: 00007fffbf2bbfc0 [ 95.923536][ T99] [ 95.925053][ T99] FAULT_INJECTION: forcing a failure. [ 95.925053][ T99] name failslab, interval 1, probability 1, space 0, times 70 [ 95.934641][ T293] CPU: 0 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.934675][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.934687][ T293] Call Trace: [ 95.934693][ T293] [ 95.934702][ T293] __dump_stack+0x21/0x30 [ 95.934730][ T293] dump_stack_lvl+0x140/0x1c0 [ 95.934754][ T293] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.934778][ T293] dump_stack+0x19/0x20 [ 95.934800][ T293] warn_alloc+0x1e7/0x2c0 [ 95.934823][ T293] ? __kasan_kmalloc+0x28/0xb0 [ 95.934844][ T293] ? __cfi_warn_alloc+0x10/0x10 [ 95.934866][ T293] ? __get_vm_area_node+0x150/0x390 [ 95.934891][ T293] ? __get_vm_area_node+0x382/0x390 [ 95.934916][ T293] __vmalloc_node_range_noprof+0x365/0x1300 [ 95.934941][ T293] ? kasan_save_track+0x3e/0x80 [ 95.934960][ T293] ? kasan_save_free_info+0x44/0x50 [ 95.934985][ T293] ? __kasan_slab_free+0x5f/0x80 [ 95.935005][ T293] ? kfree+0x158/0x440 [ 95.935020][ T293] ? nf_getsockopt+0x28b/0x2b0 [ 95.935041][ T293] ? ip_getsockopt+0x15b/0x200 [ 95.935062][ T293] ? __x64_sys_getsockopt+0x1d4/0x280 [ 95.935080][ T293] ? x64_sys_call+0x10db/0x2ee0 [ 95.935098][ T293] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 95.935123][ T293] ? __asan_memcpy+0x5a/0x80 [ 95.935141][ T293] ? avc_has_perm_noaudit+0x289/0x360 [ 95.935163][ T293] ? alloc_counters+0x75/0x520 [ 95.935183][ T293] vzalloc_noprof+0x103/0x1d0 [ 95.935206][ T293] ? alloc_counters+0x75/0x520 [ 95.935225][ T293] ? __cfi_vzalloc_noprof+0x10/0x10 [ 95.935251][ T293] ? __kasan_check_write+0x18/0x20 [ 95.935268][ T293] ? mutex_lock+0x97/0x1d0 [ 95.935291][ T293] ? __cfi_mutex_lock+0x10/0x10 [ 95.935313][ T293] alloc_counters+0x75/0x520 [ 95.935332][ T293] ? selinux_capable+0x38/0x50 [ 95.935354][ T293] ? xt_find_table_lock+0x3c9/0x460 [ 95.935373][ T293] do_ipt_get_ctl+0xab5/0x1210 [ 95.935393][ T293] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 95.935414][ T293] ? sockopt_release_sock+0x5b/0x70 [ 95.935438][ T293] ? do_ip_getsockopt+0x1096/0x17b0 [ 95.935459][ T293] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 95.935477][ T293] ? kasan_save_track+0x4f/0x80 [ 95.935496][ T293] ? security_file_permission+0xc0/0xf0 [ 95.935522][ T293] ? __kasan_slab_alloc+0x73/0x90 [ 95.935542][ T293] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 95.935568][ T293] ? sock_alloc_file+0xbe/0x2b0 [ 95.935588][ T293] ? __sys_socket+0x14c/0x1c0 [ 95.935609][ T293] ? __x64_sys_socket+0x7e/0x90 [ 95.935631][ T293] ? x64_sys_call+0x2608/0x2ee0 [ 95.935649][ T293] ? avc_has_perm_noaudit+0x26b/0x360 [ 95.935668][ T293] ? __asan_memcpy+0x5a/0x80 [ 95.935686][ T293] ? __kasan_check_write+0x18/0x20 [ 95.935703][ T293] ? mutex_unlock+0x90/0x240 [ 95.935725][ T293] ? __cfi_mutex_unlock+0x10/0x10 [ 95.935748][ T293] ? avc_has_perm+0x155/0x240 [ 95.935767][ T293] ? __cfi_avc_has_perm+0x10/0x10 [ 95.935788][ T293] nf_getsockopt+0x28b/0x2b0 [ 95.935809][ T293] ip_getsockopt+0x15b/0x200 [ 95.935828][ T293] ? security_file_permission+0xc0/0xf0 [ 95.935852][ T293] ? __cfi_ip_getsockopt+0x10/0x10 [ 95.935872][ T293] tcp_getsockopt+0x103/0x130 [ 95.935892][ T293] ? errseq_sample+0x48/0x70 [ 95.935917][ T293] sock_common_getsockopt+0xb2/0xd0 [ 95.935940][ T293] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 95.935961][ T293] do_sock_getsockopt+0x3a1/0x6c0 [ 95.935979][ T293] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 95.936002][ T293] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 95.936021][ T293] __x64_sys_getsockopt+0x1d4/0x280 [ 95.936040][ T293] x64_sys_call+0x10db/0x2ee0 [ 95.936057][ T293] do_syscall_64+0x57/0xf0 [ 95.936077][ T293] ? clear_bhb_loop+0x50/0xa0 [ 95.936100][ T293] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 95.936122][ T293] RIP: 0033:0x7ff7bfb9f76a [ 95.936138][ T293] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 95.936153][ T293] RSP: 002b:00007fff723c7418 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 [ 95.936175][ T293] RAX: ffffffffffffffda RBX: 00007fff723c74a0 RCX: 00007ff7bfb9f76a [ 95.936189][ T293] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 95.936200][ T293] RBP: 0000000000000003 R08: 00007fff723c743c R09: 0000000000000000 [ 95.936212][ T293] R10: 00007fff723c74a0 R11: 0000000000000216 R12: 00007ff7bfdeefc0 [ 95.936225][ T293] R13: 00007fff723c743c R14: 0000000000000000 R15: 00007ff7bfdf1180 [ 95.936240][ T293] [ 95.936247][ T293] Mem-Info: [ 95.953934][ T110] FAULT_INJECTION: forcing a failure. [ 95.953934][ T110] name failslab, interval 1, probability 1, space 0, times 70 [ 95.963661][ T293] active_anon:9663 inactive_anon:0 isolated_anon:0 [ 95.963661][ T293] active_file:5807 inactive_file:2314 isolated_file:0 [ 95.963661][ T293] unevictable:0 dirty:29 writeback:0 [ 95.963661][ T293] slab_reclaimable:4723 slab_unreclaimable:73937 [ 95.963661][ T293] mapped:29330 shmem:163 pagetables:836 [ 95.963661][ T293] sec_pagetables:0 bounce:0 [ 95.963661][ T293] kernel_misc_reclaimable:0 [ 95.963661][ T293] free:1527835 free_pcp:1893 free_cma:0 [ 95.992549][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 95.992581][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 95.992593][ T110] Call Trace: [ 95.992599][ T110] [ 95.992607][ T110] __dump_stack+0x21/0x30 [ 95.992636][ T110] dump_stack_lvl+0x140/0x1c0 [ 95.992660][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 95.992683][ T110] ? atime_needs_update+0x789/0x990 [ 95.992710][ T110] dump_stack+0x19/0x20 [ 95.992732][ T110] should_fail_ex+0x3c2/0x510 [ 95.992753][ T110] should_failslab+0xac/0x100 [ 95.992775][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 95.992793][ T110] ? __kasan_check_write+0x18/0x20 [ 95.992810][ T110] ? getname_flags+0xcc/0x6b0 [ 95.992831][ T110] getname_flags+0xcc/0x6b0 [ 95.992850][ T110] do_readlinkat+0xcd/0x520 [ 95.992873][ T110] ? cp_old_stat+0x4d0/0x4d0 [ 95.992896][ T110] ? __kasan_check_read+0x15/0x20 [ 95.992914][ T110] __x64_sys_readlink+0x83/0xa0 [ 95.992936][ T110] x64_sys_call+0x155b/0x2ee0 [ 95.992959][ T110] do_syscall_64+0x57/0xf0 [ 95.992979][ T110] ? clear_bhb_loop+0x50/0xa0 [ 95.993001][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 95.993023][ T110] RIP: 0033:0x7f6ad75153a7 [ 95.993038][ T110] 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 [ 95.993053][ T110] RSP: 002b:00007ffd2c203c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 95.993074][ T110] RAX: ffffffffffffffda RBX: 00007ffd2c204160 RCX: 00007f6ad75153a7 [ 95.993088][ T110] RDX: 0000000000000400 RSI: 00007ffd2c203c90 RDI: 00007ffd2c204160 [ 95.993100][ T110] RBP: 00007ffd2c203c90 R08: 0000564413476ca4 R09: 0000000000000001 [ 95.993119][ T110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 [ 95.993132][ T110] R13: 00000000000000fe R14: 00005643e7b5cbe0 R15: 00007ffd2c204c60 [ 95.993147][ T110] [ 96.002566][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.002610][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.002621][ T99] Call Trace: [ 96.002627][ T99] [ 96.002634][ T99] __dump_stack+0x21/0x30 [ 96.002663][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.002687][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.002711][ T99] ? should_fail_ex+0x201/0x510 [ 96.002731][ T99] dump_stack+0x19/0x20 [ 96.002753][ T99] should_fail_ex+0x3c2/0x510 [ 96.002772][ T99] should_failslab+0xac/0x100 [ 96.002794][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.002813][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 96.002834][ T99] ? __alloc_skb+0x10c/0x360 [ 96.002856][ T99] ? __asan_memcpy+0x5a/0x80 [ 96.002874][ T99] __alloc_skb+0x10c/0x360 [ 96.002896][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.002920][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 96.002940][ T99] ? __kasan_check_write+0x18/0x20 [ 96.002966][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.002986][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.003010][ T99] ? __kasan_check_write+0x18/0x20 [ 96.003027][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.003047][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.003067][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.003092][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.003116][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.003142][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.003161][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.003184][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.003208][ T99] __sys_sendto+0x68d/0x700 [ 96.003233][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.003258][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.003285][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.003309][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.003326][ T99] do_syscall_64+0x57/0xf0 [ 96.003345][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.003374][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.003396][ T99] RIP: 0033:0x7fc188ba9407 [ 96.003411][ T99] 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 [ 96.003426][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.003447][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.003460][ T99] RDX: 0000000000000051 RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.003473][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.003485][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.003497][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000036 R15: 00007fffbf2bbfc0 [ 96.003512][ T99] [ 96.003789][ T99] FAULT_INJECTION: forcing a failure. [ 96.003789][ T99] name failslab, interval 1, probability 1, space 0, times 68 [ 96.007981][ T293] Node 0 active_anon:38652kB inactive_anon:0kB active_file:23228kB inactive_file:9256kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:117320kB dirty:116kB writeback:0kB shmem:652kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:4320kB pagetables:3144kB sec_pagetables:0kB all_unreclaimable? no [ 96.015410][ T295] FAULT_INJECTION: forcing a failure. [ 96.015410][ T295] name failslab, interval 1, probability 1, space 0, times 68 [ 96.016729][ T293] DMA32 free:2958164kB boost:0kB min:19080kB low:23848kB high:28616kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2963400kB mlocked:0kB bounce:0kB free_pcp:5236kB local_pcp:68kB free_cma:0kB [ 96.021340][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.021370][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.021382][ T295] Call Trace: [ 96.021390][ T295] [ 96.021398][ T295] __dump_stack+0x21/0x30 [ 96.021429][ T295] dump_stack_lvl+0x140/0x1c0 [ 96.021452][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.021478][ T295] dump_stack+0x19/0x20 [ 96.021500][ T295] should_fail_ex+0x3c2/0x510 [ 96.021522][ T295] should_failslab+0xac/0x100 [ 96.021543][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 96.021562][ T295] ? sk_prot_alloc+0x69/0x3a0 [ 96.021587][ T295] ? security_inode_alloc+0x51/0x230 [ 96.021610][ T295] sk_prot_alloc+0x69/0x3a0 [ 96.021633][ T295] ? security_inode_alloc+0xc2/0x230 [ 96.021654][ T295] sk_alloc+0x40/0x590 [ 96.021677][ T295] ? inode_init_always_gfp+0x76e/0x9e0 [ 96.021699][ T295] inet_create+0x5b7/0x1010 [ 96.021723][ T295] __sock_create+0x3a5/0x810 [ 96.021747][ T295] __sys_socket+0xe1/0x1c0 [ 96.021769][ T295] __x64_sys_socket+0x7e/0x90 [ 96.021792][ T295] x64_sys_call+0x2608/0x2ee0 [ 96.021809][ T295] do_syscall_64+0x57/0xf0 [ 96.021829][ T295] ? clear_bhb_loop+0x50/0xa0 [ 96.021853][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.021875][ T295] RIP: 0033:0x7f75f599f807 [ 96.021891][ T295] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 96.021907][ T295] RSP: 002b:00007ffe20a22258 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 96.021928][ T295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f75f599f807 [ 96.021942][ T295] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 [ 96.021961][ T295] RBP: 00007ffe20a2295c R08: 0000000000000000 R09: 0000000000000000 [ 96.021973][ T295] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000011e [ 96.021985][ T295] R13: 00000000000927c0 R14: 0000000000016fd3 R15: 00007ffe20a229b0 [ 96.022000][ T295] [ 96.028480][ T110] FAULT_INJECTION: forcing a failure. [ 96.028480][ T110] name failslab, interval 1, probability 1, space 0, times 67 [ 96.031311][ T293] lowmem_reserve[]: [ 96.042552][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.042582][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.042593][ T99] Call Trace: [ 96.042599][ T99] [ 96.042606][ T99] __dump_stack+0x21/0x30 [ 96.042646][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.042675][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.042699][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 96.042723][ T99] dump_stack+0x19/0x20 [ 96.042745][ T99] should_fail_ex+0x3c2/0x510 [ 96.042766][ T99] should_failslab+0xac/0x100 [ 96.042789][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.042808][ T99] ? __alloc_skb+0x10c/0x360 [ 96.042832][ T99] __alloc_skb+0x10c/0x360 [ 96.042853][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.042875][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.042898][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 96.042925][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.042946][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.042975][ T99] ? __kasan_check_write+0x18/0x20 [ 96.042993][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.043012][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.043032][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.043058][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.043083][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.043109][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.043128][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.043151][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.043176][ T99] __sys_sendto+0x68d/0x700 [ 96.043200][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.043225][ T99] ? selinux_socket_connect+0x27/0x40 [ 96.043247][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.043273][ T99] ? __kasan_check_write+0x18/0x20 [ 96.043291][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.043316][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.043333][ T99] do_syscall_64+0x57/0xf0 [ 96.043352][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.043376][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.043398][ T99] RIP: 0033:0x7fc188ba9407 [ 96.043414][ T99] 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 [ 96.043487][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.043516][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.043532][ T99] RDX: 000000000000004c RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.043545][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.043557][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.043570][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000031 R15: 00007fffbf2bbfc0 [ 96.043588][ T99] [ 96.046374][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.046403][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.046414][ T110] Call Trace: [ 96.046429][ T110] [ 96.046435][ T110] __dump_stack+0x21/0x30 [ 96.046464][ T110] dump_stack_lvl+0x140/0x1c0 [ 96.046487][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.046511][ T110] ? vfs_fstatat+0xf0/0x1d0 [ 96.046533][ T110] dump_stack+0x19/0x20 [ 96.046556][ T110] should_fail_ex+0x3c2/0x510 [ 96.046576][ T110] should_failslab+0xac/0x100 [ 96.046598][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 96.046617][ T110] ? getname_flags+0xcc/0x6b0 [ 96.046636][ T110] getname_flags+0xcc/0x6b0 [ 96.046656][ T110] getname+0x1b/0x30 [ 96.046674][ T110] do_sys_openat2+0xda/0x1d0 [ 96.046697][ T110] ? do_sys_open+0x100/0x100 [ 96.046721][ T110] ? cp_old_stat+0x4d0/0x4d0 [ 96.046745][ T110] __x64_sys_openat+0x13a/0x170 [ 96.046769][ T110] x64_sys_call+0xe69/0x2ee0 [ 96.046786][ T110] do_syscall_64+0x57/0xf0 [ 96.046805][ T110] ? clear_bhb_loop+0x50/0xa0 [ 96.046828][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.046850][ T110] RIP: 0033:0x7f6ad7515c3a [ 96.046866][ T110] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 96.046881][ T110] RSP: 002b:00007ffd2c2049d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 96.046900][ T110] RAX: ffffffffffffffda RBX: 00005644134cc3f0 RCX: 00007f6ad7515c3a [ 96.046914][ T110] RDX: 0000000000090800 RSI: 00005644134706e0 RDI: 00000000ffffff9c [ 96.046927][ T110] RBP: 00005644134706e0 R08: 0000000000000000 R09: 0000000000000001 [ 96.046939][ T110] R10: 0000000000000000 R11: 0000000000000206 R12: 0000564413471ef0 [ 96.046951][ T110] R13: 00000000000000ff R14: 00005643e7b5cbe0 R15: 00007ffd2c204c60 [ 96.046966][ T110] [ 96.052459][ T317] FAULT_INJECTION: forcing a failure. [ 96.052459][ T317] name failslab, interval 1, probability 1, space 0, times 64 [ 96.057066][ T293] 0 [ 96.069136][ T13] ref_tracker: memory allocation failure, unreliable refcount tracker. [ 96.072751][ T293] 3921 [ 96.079281][ T13] FAULT_INJECTION: forcing a failure. [ 96.079281][ T13] name failslab, interval 1, probability 1, space 0, times 63 [ 96.084134][ T293] 3921 [ 96.090392][ T99] FAULT_INJECTION: forcing a failure. [ 96.090392][ T99] name failslab, interval 1, probability 1, space 0, times 63 [ 96.102596][ T293] [ 96.103956][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.103985][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.103997][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 96.104022][ T13] Call Trace: [ 96.104027][ T13] [ 96.104036][ T13] __dump_stack+0x21/0x30 [ 96.104062][ T13] dump_stack_lvl+0x140/0x1c0 [ 96.104085][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.104110][ T13] dump_stack+0x19/0x20 [ 96.104132][ T13] should_fail_ex+0x3c2/0x510 [ 96.104152][ T13] should_failslab+0xac/0x100 [ 96.104175][ T13] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.104194][ T13] ? __alloc_skb+0x10c/0x360 [ 96.104217][ T13] __alloc_skb+0x10c/0x360 [ 96.104239][ T13] ndisc_send_rs+0x322/0x880 [ 96.104258][ T13] addrconf_dad_completed+0x973/0xef0 [ 96.104278][ T13] ? addrconf_dad_stop+0x460/0x460 [ 96.104296][ T13] addrconf_dad_work+0xc7f/0x1550 [ 96.104316][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 96.104334][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 96.104353][ T13] ? kick_pool+0xb9/0x540 [ 96.104373][ T13] process_scheduled_works+0x7f7/0x1060 [ 96.104394][ T13] worker_thread+0xc99/0x13f0 [ 96.104413][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 96.104433][ T13] ? __kasan_check_read+0x15/0x20 [ 96.104452][ T13] kthread+0x2c7/0x360 [ 96.104471][ T13] ? __cfi_worker_thread+0x10/0x10 [ 96.104489][ T13] ? __cfi_kthread+0x10/0x10 [ 96.104509][ T13] ret_from_fork+0x67/0xa0 [ 96.104533][ T13] ? __cfi_kthread+0x10/0x10 [ 96.104552][ T13] ret_from_fork_asm+0x1a/0x30 [ 96.104570][ T13] [ 96.106274][ T13] FAULT_INJECTION: forcing a failure. [ 96.106274][ T13] name failslab, interval 1, probability 1, space 0, times 62 [ 96.109954][ T293] Normal free:3155500kB boost:0kB min:25972kB low:32464kB high:38956kB reserved_highatomic:0KB free_highatomic:0KB active_anon:38652kB inactive_anon:0kB active_file:23228kB inactive_file:9256kB unevictable:0kB writepending:116kB present:5242880kB managed:4015864kB mlocked:0kB bounce:0kB free_pcp:1944kB local_pcp:1744kB free_cma:0kB [ 96.123152][ T317] CPU: 1 UID: 0 PID: 317 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.123185][ T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.123197][ T317] Call Trace: [ 96.123203][ T317] [ 96.123210][ T317] __dump_stack+0x21/0x30 [ 96.123240][ T317] dump_stack_lvl+0x140/0x1c0 [ 96.123263][ T317] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.123286][ T317] ? __kasan_check_read+0x15/0x20 [ 96.123306][ T317] dump_stack+0x19/0x20 [ 96.123328][ T317] should_fail_ex+0x3c2/0x510 [ 96.123349][ T317] should_failslab+0xac/0x100 [ 96.123370][ T317] kmem_cache_alloc_noprof+0x42/0x410 [ 96.123389][ T317] ? getname_flags+0xcc/0x6b0 [ 96.123409][ T317] getname_flags+0xcc/0x6b0 [ 96.123429][ T317] getname+0x1b/0x30 [ 96.123447][ T317] do_sys_openat2+0xda/0x1d0 [ 96.123471][ T317] ? do_sys_open+0x100/0x100 [ 96.123494][ T317] ? __x64_sys_utimensat+0x15f/0x250 [ 96.123519][ T317] ? __cfi___x64_sys_utimensat+0x10/0x10 [ 96.123546][ T317] __x64_sys_openat+0x13a/0x170 [ 96.123570][ T317] x64_sys_call+0xe69/0x2ee0 [ 96.123587][ T317] do_syscall_64+0x57/0xf0 [ 96.123606][ T317] ? clear_bhb_loop+0x50/0xa0 [ 96.123629][ T317] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.123651][ T317] RIP: 0033:0x7f6ad74a7407 [ 96.123668][ T317] 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 [ 96.123683][ T317] RSP: 002b:00007ffd2c202e20 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 96.123705][ T317] RAX: ffffffffffffffda RBX: 00007f6ad7c9a880 RCX: 00007f6ad74a7407 [ 96.123719][ T317] RDX: 00000000000a0241 RSI: 00007ffd2c203ae0 RDI: ffffffffffffff9c [ 96.123733][ T317] RBP: 00005644139f7cc0 R08: 0000000000000000 R09: 0000000000000000 [ 96.123745][ T317] R10: 0000000000000124 R11: 0000000000000202 R12: 000056441346bf70 [ 96.123758][ T317] R13: 00007ffd2c203ae0 R14: 00007ffd2c2036e0 R15: 00007ffd2c2032e0 [ 96.123774][ T317] [ 96.132565][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.132597][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.132609][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 96.132634][ T13] Call Trace: [ 96.132640][ T13] [ 96.132647][ T13] __dump_stack+0x21/0x30 [ 96.132672][ T13] dump_stack_lvl+0x140/0x1c0 [ 96.132695][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.132717][ T13] ? ref_tracker_alloc+0x356/0x5b0 [ 96.132740][ T13] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 96.132760][ T13] ? dst_alloc+0x163/0x240 [ 96.132780][ T13] dump_stack+0x19/0x20 [ 96.132802][ T13] should_fail_ex+0x3c2/0x510 [ 96.132823][ T13] should_failslab+0xac/0x100 [ 96.132862][ T13] __kmalloc_cache_noprof+0x41/0x470 [ 96.132881][ T13] ? dst_cow_metrics_generic+0x65/0x2a0 [ 96.132901][ T13] ? dst_init+0x329/0x430 [ 96.132919][ T13] dst_cow_metrics_generic+0x65/0x2a0 [ 96.132939][ T13] icmp6_dst_alloc+0x313/0x4f0 [ 96.132956][ T13] ndisc_send_skb+0x2a6/0xca0 [ 96.132974][ T13] ? should_fail_ex+0x201/0x510 [ 96.132994][ T13] ? __cfi_ndisc_send_skb+0x10/0x10 [ 96.133012][ T13] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 96.133031][ T13] ? kmalloc_reserve+0xcf/0x4f0 [ 96.133064][ T13] ? __asan_memcpy+0x5a/0x80 [ 96.133081][ T13] ? __ndisc_fill_addr_option+0xe2/0x140 [ 96.133100][ T13] ndisc_send_rs+0x675/0x880 [ 96.133118][ T13] addrconf_dad_completed+0x973/0xef0 [ 96.133137][ T13] ? addrconf_dad_stop+0x460/0x460 [ 96.133156][ T13] addrconf_dad_work+0xc7f/0x1550 [ 96.133176][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 96.133193][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 96.133213][ T13] ? kick_pool+0xb9/0x540 [ 96.133234][ T13] process_scheduled_works+0x7f7/0x1060 [ 96.133255][ T13] worker_thread+0xc99/0x13f0 [ 96.133274][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 96.133294][ T13] ? __kasan_check_read+0x15/0x20 [ 96.133312][ T13] kthread+0x2c7/0x360 [ 96.133338][ T13] ? __cfi_worker_thread+0x10/0x10 [ 96.133357][ T13] ? __cfi_kthread+0x10/0x10 [ 96.133376][ T13] ret_from_fork+0x67/0xa0 [ 96.133400][ T13] ? __cfi_kthread+0x10/0x10 [ 96.133419][ T13] ret_from_fork_asm+0x1a/0x30 [ 96.133437][ T13] [ 96.133704][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.133726][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.133736][ T99] Call Trace: [ 96.133742][ T99] [ 96.133749][ T99] __dump_stack+0x21/0x30 [ 96.133781][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.133804][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.133828][ T99] ? should_fail_ex+0x201/0x510 [ 96.133847][ T99] dump_stack+0x19/0x20 [ 96.133869][ T99] should_fail_ex+0x3c2/0x510 [ 96.133888][ T99] should_failslab+0xac/0x100 [ 96.133909][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.133928][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 96.133949][ T99] ? __alloc_skb+0x10c/0x360 [ 96.133971][ T99] ? __asan_memcpy+0x5a/0x80 [ 96.133989][ T99] __alloc_skb+0x10c/0x360 [ 96.134012][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.134043][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 96.134063][ T99] ? __kasan_check_write+0x18/0x20 [ 96.134081][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.134101][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.134118][ T99] ? __kasan_check_write+0x18/0x20 [ 96.134137][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.134158][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.134179][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.134204][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.134237][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.134263][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.134283][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.134305][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.134329][ T99] __sys_sendto+0x68d/0x700 [ 96.134353][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.134379][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.134405][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.134430][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.134447][ T99] do_syscall_64+0x57/0xf0 [ 96.134467][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.134490][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.134513][ T99] RIP: 0033:0x7fc188ba9407 [ 96.134530][ T99] 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 [ 96.134545][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.134564][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.134578][ T99] RDX: 000000000000004d RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.134590][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.134602][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.134615][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000032 R15: 00007fffbf2bbfc0 [ 96.134630][ T99] [ 96.134911][ T99] FAULT_INJECTION: forcing a failure. [ 96.134911][ T99] name failslab, interval 1, probability 1, space 0, times 58 [ 96.172574][ T293] lowmem_reserve[]: [ 96.177354][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.177387][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.177398][ T99] Call Trace: [ 96.177404][ T99] [ 96.177411][ T99] __dump_stack+0x21/0x30 [ 96.177441][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.177463][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.177488][ T99] dump_stack+0x19/0x20 [ 96.177510][ T99] should_fail_ex+0x3c2/0x510 [ 96.177530][ T99] should_failslab+0xac/0x100 [ 96.177552][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.177571][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 96.177592][ T99] ? __alloc_skb+0x10c/0x360 [ 96.177614][ T99] ? __asan_memcpy+0x5a/0x80 [ 96.177631][ T99] __alloc_skb+0x10c/0x360 [ 96.177653][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.177677][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 96.177696][ T99] ? __kasan_check_write+0x18/0x20 [ 96.177714][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.177734][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.177751][ T99] ? __kasan_check_write+0x18/0x20 [ 96.177768][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.177788][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.177808][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.177833][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.177856][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.177882][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.177901][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.177923][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.177947][ T99] __sys_sendto+0x68d/0x700 [ 96.177972][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.178005][ T99] ? selinux_socket_connect+0x27/0x40 [ 96.178027][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.178052][ T99] ? fd_install+0x246/0x400 [ 96.178071][ T99] ? __sys_socket+0x16d/0x1c0 [ 96.178093][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.178118][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.178135][ T99] do_syscall_64+0x57/0xf0 [ 96.178154][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.178178][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.178199][ T99] RIP: 0033:0x7fc188ba9407 [ 96.178216][ T99] 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 [ 96.178230][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.178251][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.178265][ T99] RDX: 000000000000004e RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.178277][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.178288][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.178301][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000033 R15: 00007fffbf2bbfc0 [ 96.178317][ T99] [ 96.182855][ T99] FAULT_INJECTION: forcing a failure. [ 96.182855][ T99] name failslab, interval 1, probability 1, space 0, times 56 [ 96.212553][ T293] 0 [ 96.216555][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.216584][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.216594][ T99] Call Trace: [ 96.216600][ T99] [ 96.216606][ T99] __dump_stack+0x21/0x30 [ 96.216635][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.216658][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.216681][ T99] ? kernel_text_address+0xa9/0xe0 [ 96.216705][ T99] ? unwind_get_return_address+0x51/0x90 [ 96.216727][ T99] dump_stack+0x19/0x20 [ 96.216749][ T99] should_fail_ex+0x3c2/0x510 [ 96.216769][ T99] should_failslab+0xac/0x100 [ 96.216791][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.216810][ T99] ? __alloc_skb+0x10c/0x360 [ 96.216833][ T99] __alloc_skb+0x10c/0x360 [ 96.216855][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.216880][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.216900][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.216918][ T99] ? __kasan_check_write+0x18/0x20 [ 96.216935][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.216955][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.216975][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.217000][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.217025][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.217050][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.217079][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.217101][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.217125][ T99] __sys_sendto+0x68d/0x700 [ 96.217149][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.217175][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.217201][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.217226][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.217242][ T99] do_syscall_64+0x57/0xf0 [ 96.217261][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.217284][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.217306][ T99] RIP: 0033:0x7fc188ba9407 [ 96.217322][ T99] 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 [ 96.217336][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.217357][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.217371][ T99] RDX: 00000000000000f9 RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.217383][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.217395][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.217408][ T99] R13: 00007fffbf2bbfc0 R14: 00000000000000de R15: 00007fffbf2bbfc0 [ 96.217423][ T99] [ 96.219576][ T99] FAULT_INJECTION: forcing a failure. [ 96.219576][ T99] name failslab, interval 1, probability 1, space 0, times 55 [ 96.249062][ T3256] FAULT_INJECTION: forcing a failure. [ 96.249062][ T3256] name failslab, interval 1, probability 1, space 0, times 55 [ 96.250916][ T293] 0 [ 96.282548][ T3256] CPU: 0 UID: 0 PID: 3256 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.282578][ T3256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.282590][ T3256] Call Trace: [ 96.282596][ T3256] [ 96.282604][ T3256] __dump_stack+0x21/0x30 [ 96.282632][ T3256] dump_stack_lvl+0x140/0x1c0 [ 96.282655][ T3256] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.282678][ T3256] ? avc_has_perm+0x155/0x240 [ 96.282700][ T3256] dump_stack+0x19/0x20 [ 96.282722][ T3256] should_fail_ex+0x3c2/0x510 [ 96.282742][ T3256] should_failslab+0xac/0x100 [ 96.282763][ T3256] __kmalloc_cache_noprof+0x41/0x470 [ 96.282783][ T3256] ? kcov_open+0x2d/0xa0 [ 96.282801][ T3256] ? __cfi_debugfs_file_get+0x10/0x10 [ 96.282823][ T3256] ? __cfi_kcov_open+0x10/0x10 [ 96.282840][ T3256] kcov_open+0x2d/0xa0 [ 96.282857][ T3256] ? __cfi_kcov_open+0x10/0x10 [ 96.282874][ T3256] open_proxy_open+0x3ac/0x500 [ 96.282895][ T3256] ? __cfi_open_proxy_open+0x10/0x10 [ 96.282915][ T3256] do_dentry_open+0x97c/0x1510 [ 96.282939][ T3256] vfs_open+0x86/0x240 [ 96.282961][ T3256] ? __cfi_vfs_open+0x10/0x10 [ 96.282983][ T3256] ? may_open+0x352/0x430 [ 96.283004][ T3256] path_openat+0x2c49/0x35a0 [ 96.283028][ T3256] ? kasan_save_alloc_info+0x3a/0x50 [ 96.283053][ T3256] ? getname+0x1b/0x30 [ 96.283071][ T3256] ? x64_sys_call+0xe69/0x2ee0 [ 96.283087][ T3256] ? do_syscall_64+0x57/0xf0 [ 96.283107][ T3256] ? do_filp_open+0x440/0x440 [ 96.283130][ T3256] do_filp_open+0x1f2/0x440 [ 96.283152][ T3256] ? __cfi_do_filp_open+0x10/0x10 [ 96.283176][ T3256] ? alloc_fd+0x4c1/0x570 [ 96.283196][ T3256] do_sys_openat2+0x134/0x1d0 [ 96.283220][ T3256] ? do_sys_open+0x100/0x100 [ 96.283242][ T3256] ? __kasan_check_write+0x18/0x20 [ 96.283259][ T3256] ? do_user_addr_fault+0xbf5/0x1230 [ 96.283284][ T3256] ? __cfi_ksys_read+0x10/0x10 [ 96.283303][ T3256] __x64_sys_openat+0x13a/0x170 [ 96.283327][ T3256] x64_sys_call+0xe69/0x2ee0 [ 96.283343][ T3256] do_syscall_64+0x57/0xf0 [ 96.283361][ T3256] ? clear_bhb_loop+0x50/0xa0 [ 96.283383][ T3256] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.283405][ T3256] RIP: 0033:0x7f3588f59117 [ 96.283421][ T3256] 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 [ 96.283435][ T3256] RSP: 002b:00007fffd00d0970 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 96.283456][ T3256] RAX: ffffffffffffffda RBX: 000055556e025500 RCX: 00007f3588f59117 [ 96.283470][ T3256] RDX: 0000000000000002 RSI: 00007f358903458c RDI: ffffffffffffff9c [ 96.283483][ T3256] RBP: 00007f3589226038 R08: 0000000000000000 R09: 0000000000000000 [ 96.283494][ T3256] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 96.283512][ T3256] R13: 0000000000000003 R14: 00007fffd00d0c68 R15: 0000000000000000 [ 96.283526][ T3256] [ 96.286307][ T3256] FAULT_INJECTION: forcing a failure. [ 96.286307][ T3256] name failslab, interval 1, probability 1, space 0, times 53 [ 96.289752][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.289776][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.289787][ T99] Call Trace: [ 96.289792][ T99] [ 96.289800][ T99] __dump_stack+0x21/0x30 [ 96.289827][ T99] dump_stack_lvl+0x140/0x1c0 [ 96.289849][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.289873][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 96.289897][ T99] dump_stack+0x19/0x20 [ 96.289919][ T99] should_fail_ex+0x3c2/0x510 [ 96.289940][ T99] should_failslab+0xac/0x100 [ 96.289961][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 96.289981][ T99] ? __alloc_skb+0x10c/0x360 [ 96.290013][ T99] __alloc_skb+0x10c/0x360 [ 96.290034][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.290055][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 96.290078][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 96.290105][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 96.290126][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 96.290143][ T99] ? __kasan_check_write+0x18/0x20 [ 96.290160][ T99] ? _raw_spin_lock+0x92/0x120 [ 96.290178][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 96.290199][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 96.290224][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 96.290249][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.290275][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 96.290296][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 96.290318][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 96.290343][ T99] __sys_sendto+0x68d/0x700 [ 96.290368][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 96.290393][ T99] ? __cfi___sys_connect+0x10/0x10 [ 96.290419][ T99] ? __kasan_check_write+0x18/0x20 [ 96.290437][ T99] __x64_sys_sendto+0xe9/0x100 [ 96.290462][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 96.290478][ T99] do_syscall_64+0x57/0xf0 [ 96.290497][ T99] ? clear_bhb_loop+0x50/0xa0 [ 96.290520][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.290542][ T99] RIP: 0033:0x7fc188ba9407 [ 96.290558][ T99] 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 [ 96.290573][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 96.290592][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 96.290606][ T99] RDX: 000000000000004d RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 96.290618][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 96.290631][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 96.290643][ T99] R13: 00007fffbf2bbfc0 R14: 0000000000000032 R15: 00007fffbf2bbfc0 [ 96.290658][ T99] [ 96.295604][ T99] FAULT_INJECTION: forcing a failure. [ 96.295604][ T99] name failslab, interval 1, probability 1, space 0, times 52 [ 96.299290][ T3256] CPU: 0 UID: 0 PID: 3256 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.299315][ T3256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.299325][ T3256] Call Trace: [ 96.299331][ T3256] [ 96.299339][ T3256] __dump_stack+0x21/0x30 [ 96.299365][ T3256] dump_stack_lvl+0x140/0x1c0 [ 96.299388][ T3256] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.299413][ T3256] dump_stack+0x19/0x20 [ 96.299435][ T3256] should_fail_ex+0x3c2/0x510 [ 96.299455][ T3256] should_failslab+0xac/0x100 [ 96.299477][ T3256] kmem_cache_alloc_noprof+0x42/0x410 [ 96.299496][ T3256] ? inc_rlimit_get_ucounts+0x3fb/0x470 [ 96.299562][ T3256] ? __sigqueue_alloc+0x15e/0x2b0 [ 96.299586][ T3256] __sigqueue_alloc+0x15e/0x2b0 [ 96.299608][ T3256] __send_signal_locked+0x19d/0xbc0 [ 96.299630][ T3256] do_notify_parent+0x7a6/0x960 [ 96.299653][ T3256] ? __cfi_do_notify_parent+0x10/0x10 [ 96.299675][ T3256] ? __wake_up+0x169/0x190 [ 96.299695][ T3256] do_exit+0x17ab/0x2850 [ 96.299718][ T3256] ? __cfi_do_exit+0x10/0x10 [ 96.299740][ T3256] ? _raw_spin_lock_irq+0x93/0x120 [ 96.299760][ T3256] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 96.299780][ T3256] ? zap_other_threads+0x32f/0x370 [ 96.299801][ T3256] do_group_exit+0x21f/0x2f0 [ 96.299823][ T3256] __x64_sys_exit_group+0x43/0x50 [ 96.299845][ T3256] x64_sys_call+0x2ed2/0x2ee0 [ 96.299862][ T3256] do_syscall_64+0x57/0xf0 [ 96.299881][ T3256] ? clear_bhb_loop+0x50/0xa0 [ 96.299904][ T3256] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.299926][ T3256] RIP: 0033:0x7f3588f9df99 [ 96.299940][ T3256] Code: Unable to access opcode bytes at 0x7f3588f9df6f. [ 96.299950][ T3256] RSP: 002b:00007fffd00d08e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 96.299970][ T3256] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3588f9df99 [ 96.299983][ T3256] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 96.299995][ T3256] RBP: 00007f3589008b08 R08: 0000000000000000 R09: 0000000000000003 [ 96.300006][ T3256] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 96.300017][ T3256] R13: 0000000000000003 R14: 00007fffd00d0c68 R15: 0000000000000000 [ 96.300030][ T3256] [ 96.300320][ T286] FAULT_INJECTION: forcing a failure. [ 96.300320][ T286] name failslab, interval 1, probability 1, space 0, times 51 [ 96.305016][ T293] 0 [ 96.308908][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 96.308934][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.308945][ T286] Call Trace: [ 96.308951][ T286] [ 96.308958][ T286] __dump_stack+0x21/0x30 [ 96.308985][ T286] dump_stack_lvl+0x140/0x1c0 [ 96.309009][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 96.309034][ T286] dump_stack+0x19/0x20 [ 96.309055][ T286] should_fail_ex+0x3c2/0x510 [ 96.309076][ T286] should_failslab+0xac/0x100 [ 96.309098][ T286] kmem_cache_alloc_noprof+0x42/0x410 [ 96.309116][ T286] ? security_file_alloc+0x49/0x220 [ 96.309142][ T286] ? kasan_save_alloc_info+0x3a/0x50 [ 96.309168][ T286] security_file_alloc+0x49/0x220 [ 96.309192][ T286] init_file+0x9e/0x210 [ 96.309214][ T286] alloc_empty_file+0xd9/0x270 [ 96.309235][ T286] ? _raw_spin_unlock+0x45/0x60 [ 96.309255][ T286] alloc_file_pseudo+0x142/0x1f0 [ 96.309278][ T286] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 96.309301][ T286] ? __mutex_init+0xa6/0x1a0 [ 96.309325][ T286] create_pipe_files+0x287/0x6c0 [ 96.309343][ T286] __do_pipe_flags+0x50/0x2f0 [ 96.309360][ T286] do_pipe2+0xab/0x190 [ 96.309378][ T286] ? pipe_fcntl+0x520/0x520 [ 96.309397][ T286] ? __kasan_check_read+0x15/0x20 [ 96.309415][ T286] __x64_sys_pipe2+0x5e/0x70 [ 96.309432][ T286] x64_sys_call+0x8be/0x2ee0 [ 96.309449][ T286] do_syscall_64+0x57/0xf0 [ 96.309468][ T286] ? clear_bhb_loop+0x50/0xa0 [ 96.309490][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 96.309520][ T286] RIP: 0033:0x7f2a3879cfc9 [ 96.309535][ T286] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 96.309551][ T286] RSP: 002b:00007ffca53b8288 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 96.309570][ T286] RAX: ffffffffffffffda RBX: 000055557503aab0 RCX: 00007f2a3879cfc9 [ 96.309583][ T286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffca53b8298 [ 96.309595][ T286] RBP: 00007ffca53b8870 R08: 0000000000000000 R09: 0000000000000000 [ 96.309607][ T286] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca53b83d0 [ 96.309619][ T286] R13: 0000555575036f58 R14: 0000555575039738 R15: 0000000000000000 [ 96.309633][ T286] [ 96.316472][ T286] FAULT_INJECTION: forcing a failure. [ 96.316472][ T286] name failslab, interval 1, probability 1, space 0, times 50 [ 104.651457][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.651481][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.651490][ T286] Call Trace: [ 104.651495][ T286] [ 104.651501][ T286] __dump_stack+0x21/0x30 [ 104.651523][ T286] dump_stack_lvl+0x140/0x1c0 [ 104.651538][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.651553][ T286] ? try_to_wake_up+0x111a/0x1fd0 [ 104.651567][ T286] dump_stack+0x19/0x20 [ 104.651581][ T286] should_fail_ex+0x3c2/0x510 [ 104.651594][ T286] should_failslab+0xac/0x100 [ 104.651609][ T286] kmem_cache_alloc_noprof+0x42/0x410 [ 104.651620][ T286] ? inc_rlimit_get_ucounts+0x3fb/0x470 [ 104.651632][ T286] ? __sigqueue_alloc+0x15e/0x2b0 [ 104.651647][ T286] __sigqueue_alloc+0x15e/0x2b0 [ 104.651661][ T286] __send_signal_locked+0x19d/0xbc0 [ 104.651674][ T286] do_notify_parent+0x7a6/0x960 [ 104.651689][ T286] ? __cfi_do_notify_parent+0x10/0x10 [ 104.651703][ T286] ? group_send_sig_info+0x2c0/0x2f0 [ 104.651716][ T286] ? __wake_up+0x169/0x190 [ 104.651728][ T286] do_exit+0x17ab/0x2850 [ 104.651743][ T286] ? __cfi_do_exit+0x10/0x10 [ 104.651757][ T286] ? _raw_spin_lock_irq+0x93/0x120 [ 104.651779][ T286] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 104.651795][ T286] ? __cfi_ksys_write+0x10/0x10 [ 104.651807][ T286] ? zap_other_threads+0x32f/0x370 [ 104.651826][ T286] do_group_exit+0x21f/0x2f0 [ 104.651840][ T286] __x64_sys_exit_group+0x43/0x50 [ 104.651854][ T286] x64_sys_call+0x2ed2/0x2ee0 [ 104.651865][ T286] do_syscall_64+0x57/0xf0 [ 104.651877][ T286] ? clear_bhb_loop+0x50/0xa0 [ 104.651892][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.651907][ T286] RIP: 0033:0x7f2a3879df99 [ 104.651918][ T286] Code: Unable to access opcode bytes at 0x7f2a3879df6f. [ 104.651924][ T286] RSP: 002b:00007ffca53b8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 104.651938][ T286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3879df99 [ 104.651947][ T286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 104.651955][ T286] RBP: 00007f2a3885012c R08: 0000000000000000 R09: 0000555575036f58 [ 104.651962][ T286] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 104.651970][ T286] R13: 0000555575036f58 R14: 0000555575039738 R15: 0000000000000000 [ 104.651979][ T286] [ 104.656813][ T36] audit: type=1400 audit(1785409373.320:171): avc: denied { write } for pid=286 comm="syz-executor" path="pipe:[2692]" dev="pipefs" ino=2692 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 104.663852][ C0] FAULT_INJECTION: forcing a failure. [ 104.663852][ C0] name failslab, interval 1, probability 1, space 0, times 48 [ 104.663879][ C0] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.663901][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.663912][ C0] Call Trace: [ 104.663919][ C0] [ 104.663927][ C0] __dump_stack+0x21/0x30 [ 104.663954][ C0] dump_stack_lvl+0x140/0x1c0 [ 104.663977][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.664003][ C0] ? calc_wheel_index+0x234/0x8f0 [ 104.664028][ C0] ? __kasan_check_write+0x18/0x20 [ 104.664049][ C0] dump_stack+0x19/0x20 [ 104.664083][ C0] should_fail_ex+0x3c2/0x510 [ 104.664105][ C0] should_failslab+0xac/0x100 [ 104.664129][ C0] kmem_cache_alloc_node_noprof+0x45/0x420 [ 104.664149][ C0] ? enqueue_timer+0x1c5/0x4b0 [ 104.664173][ C0] ? __alloc_skb+0x10c/0x360 [ 104.664200][ C0] __alloc_skb+0x10c/0x360 [ 104.664226][ C0] ndisc_send_rs+0x322/0x880 [ 104.664246][ C0] ? ipv6_get_lladdr+0x1c2/0x200 [ 104.664274][ C0] addrconf_rs_timer+0x362/0x620 [ 104.664297][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.664320][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 104.664358][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 104.664381][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.664404][ C0] call_timer_fn+0x4c/0x300 [ 104.664429][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.664439][ C1] FAULT_INJECTION: forcing a failure. [ 104.664439][ C1] name failslab, interval 1, probability 1, space 0, times 48 [ 104.664458][ C0] __run_timer_base+0x6c0/0x9b0 [ 104.664480][ C0] ? timer_expire_remote+0xa0/0xa0 [ 104.664498][ C0] ? common_interrupt+0x5c/0xb0 [ 104.664519][ C0] ? __cfi_lapic_next_event+0x10/0x10 [ 104.664536][ C0] run_timer_softirq+0x35/0x70 [ 104.664555][ C0] handle_softirqs+0x1aa/0x620 [ 104.664573][ C0] __irq_exit_rcu+0x47/0xb0 [ 104.664588][ C0] irq_exit_rcu+0xd/0x30 [ 104.664603][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 104.664625][ C0] [ 104.664630][ C0] [ 104.664636][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 104.664658][ C0] RIP: 0010:preempt_schedule_irq+0xa6/0x110 [ 104.664680][ C0] Code: 24 20 f7 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 3a 65 ff 05 88 72 60 7a fb bf 01 00 00 00 f5 d8 ff ff fa 65 ff 0d 75 72 60 7a 65 48 8b 1d 65 72 60 7a 48 [ 104.664699][ C0] RSP: 0018:ffffc900007ffbc0 EFLAGS: 00000202 [ 104.664716][ C0] RAX: 0000000000000000 RBX: ffffc900007ffc98 RCX: ffff8881f6e00000 [ 104.664729][ C0] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000001 [ 104.664740][ C0] RBP: ffffc900007ffc48 R08: ffff8881108d8007 R09: 1ffff1102211b000 [ 104.664753][ C0] R10: dffffc0000000000 R11: ffffed102211b001 R12: 0000000000000000 [ 104.664766][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920000fff78 [ 104.664781][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 104.664802][ C0] ? .slowpath+0x9/0x13 [ 104.664829][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 104.664855][ C0] raw_irqentry_exit_cond_resched+0x32/0x40 [ 104.664872][ C0] irqentry_exit+0x4a/0x60 [ 104.664886][ C0] sysvec_call_function_single+0x4d/0x90 [ 104.664909][ C0] asm_sysvec_call_function_single+0x1f/0x30 [ 104.664930][ C0] RIP: 0010:_raw_write_unlock_irq+0x2d/0x60 [ 104.664951][ C0] Code: fa 55 48 89 e5 53 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 1c c6 07 00 fb 65 ff 0d 1b 0e 5f 7a <74> 08 5b 5d c3 cc cc cc cc cc e8 54 1e 64 fb eb f1 89 f9 80 e1 07 [ 104.664964][ C0] RSP: 0018:ffffc900007ffd48 EFLAGS: 00000246 [ 104.664977][ C0] RAX: 0000000000000000 RBX: ffff8881219e4500 RCX: dffffc0000000000 [ 104.664988][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8740a040 [ 104.664999][ C0] RBP: ffffc900007ffd50 R08: 0000000000000003 R09: 0000000000000004 [ 104.665010][ C0] R10: dffffc0000000000 R11: fffff520000fff54 R12: 1ffff1102037e57d [ 104.665022][ C0] R13: 1ffff1102037e57c R14: 0000000000000000 R15: dffffc0000000000 [ 104.665036][ C0] do_exit+0x1914/0x2850 [ 104.665059][ C0] ? __cfi_do_exit+0x10/0x10 [ 104.665079][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 104.665096][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 104.665114][ C0] ? __cfi_ksys_write+0x10/0x10 [ 104.665130][ C0] ? zap_other_threads+0x32f/0x370 [ 104.665152][ C0] do_group_exit+0x21f/0x2f0 [ 104.665173][ C0] __x64_sys_exit_group+0x43/0x50 [ 104.665193][ C0] x64_sys_call+0x2ed2/0x2ee0 [ 104.665208][ C0] do_syscall_64+0x57/0xf0 [ 104.665225][ C0] ? clear_bhb_loop+0x50/0xa0 [ 104.665247][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.665266][ C0] RIP: 0033:0x7f2a3879df99 [ 104.665278][ C0] Code: Unable to access opcode bytes at 0x7f2a3879df6f. [ 104.665287][ C0] RSP: 002b:00007ffca53b8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 104.665303][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3879df99 [ 104.665314][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 104.665325][ C0] RBP: 00007f2a3885012c R08: 0000000000000000 R09: 0000555575036f58 [ 104.665336][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 104.665356][ C0] R13: 0000555575036f58 R14: 0000555575039738 R15: 0000000000000000 [ 104.665369][ C0] [ 104.665377][ C1] CPU: 1 UID: 0 PID: 36 Comm: kauditd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.665401][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.665411][ C1] Call Trace: [ 104.665417][ C1] [ 104.665424][ C1] __dump_stack+0x21/0x30 [ 104.665449][ C1] dump_stack_lvl+0x140/0x1c0 [ 104.665474][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.665500][ C1] dump_stack+0x19/0x20 [ 104.665524][ C1] should_fail_ex+0x3c2/0x510 [ 104.665545][ C1] should_failslab+0xac/0x100 [ 104.665569][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 104.665590][ C1] ? skb_clone+0x21d/0x470 [ 104.665606][ C1] ? __cfi_br_multicast_count+0x10/0x10 [ 104.665635][ C1] skb_clone+0x21d/0x470 [ 104.665653][ C1] br_flood+0x650/0x720 [ 104.665674][ C1] br_handle_frame_finish+0x1157/0x1620 [ 104.665697][ C1] ? _printk+0xde/0x140 [ 104.665718][ C1] ? kauditd_hold_skb+0x1cc/0x230 [ 104.665741][ C1] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 104.665766][ C1] br_handle_frame+0x5a5/0xba0 [ 104.665776][ C0] FAULT_INJECTION: forcing a failure. [ 104.665776][ C0] name failslab, interval 1, probability 1, space 0, times 47 [ 104.665789][ C1] ? __cfi_br_handle_frame+0x10/0x10 [ 104.665809][ C1] __netif_receive_skb_core+0xfc1/0x3a70 [ 104.665833][ C1] ? __kfree_skb+0x18f/0x210 [ 104.665863][ C1] ? ip6_mc_input+0x433/0x680 [ 104.665885][ C1] ? ip6_mc_input+0x433/0x680 [ 104.665906][ C1] ? __cfi_ip6_mc_input+0x10/0x10 [ 104.665928][ C1] ? qdisc_run_end+0x120/0x120 [ 104.665949][ C1] ? __cfi_ip6_mc_input+0x10/0x10 [ 104.665971][ C1] ? ip6_rcv_finish+0x344/0x3c0 [ 104.665992][ C1] ? ipv6_rcv+0xf1/0x240 [ 104.666013][ C1] ? __cfi_ipv6_rcv+0x10/0x10 [ 104.666034][ C1] ? __cfi_ip6_rcv_finish+0x10/0x10 [ 104.666054][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 104.666074][ C1] process_backlog+0x40b/0xaf0 [ 104.666099][ C1] __napi_poll+0xd0/0x600 [ 104.666120][ C1] net_rx_action+0x5dc/0xd70 [ 104.666144][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 104.666169][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 104.666192][ C1] handle_softirqs+0x1aa/0x620 [ 104.666209][ C1] __irq_exit_rcu+0x47/0xb0 [ 104.666224][ C1] irq_exit_rcu+0xd/0x30 [ 104.666239][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 104.666262][ C1] [ 104.666268][ C1] [ 104.666274][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 104.666294][ C1] RIP: 0010:vprintk_emit+0x547/0x650 [ 104.666317][ C1] Code: 81 e6 00 02 00 00 31 ff e8 c6 c5 1e 00 48 81 e3 00 02 00 00 75 07 e8 d8 c0 1e 00 eb 06 e8 d1 c0 1e 00 fb c6 05 49 ea 54 07 00 31 fd ff ff e8 bf c0 1e 00 e9 94 fe ff ff 41 ff ce bf 58 89 41 [ 104.666330][ C1] RSP: 0018:ffffc9000025fac0 EFLAGS: 00000293 [ 104.666345][ C1] RAX: ffffffff8168b0ef RBX: 0000000000000200 RCX: ffff88810367a600 [ 104.666358][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 104.666369][ C1] RBP: ffffc9000025fb88 R08: 0000000000000003 R09: 0000000000000004 [ 104.666380][ C1] R10: dffffc0000000000 R11: fffff5200004bf48 R12: 1ffff9200004bf5c [ 104.666393][ C1] R13: 00000000000000ed R14: 0000000000000000 R15: dffffc0000000000 [ 104.666406][ C1] ? vprintk_emit+0x53f/0x650 [ 104.666428][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 104.666448][ C1] ? __kasan_check_write+0x18/0x20 [ 104.666464][ C1] ? _raw_spin_trylock+0xb5/0x140 [ 104.666481][ C1] vprintk_default+0x2a/0x40 [ 104.666502][ C1] vprintk+0x93/0xa0 [ 104.666516][ C1] _printk+0xde/0x140 [ 104.666536][ C1] ? __cfi__printk+0x10/0x10 [ 104.666557][ C1] kauditd_hold_skb+0x1cc/0x230 [ 104.666574][ C1] ? __cfi_kauditd_send_multicast_skb+0x10/0x10 [ 104.666593][ C1] ? __cfi_kauditd_hold_skb+0x10/0x10 [ 104.666610][ C1] kauditd_send_queue+0x2c5/0x320 [ 104.666628][ C1] ? __cfi_kauditd_hold_skb+0x10/0x10 [ 104.666645][ C1] ? __cfi_kauditd_send_multicast_skb+0x10/0x10 [ 104.666664][ C1] kauditd_thread+0x4ea/0x750 [ 104.666680][ C1] ? __kasan_check_write+0x18/0x20 [ 104.666696][ C1] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 104.666715][ C1] ? __cfi_kauditd_thread+0x10/0x10 [ 104.666731][ C1] ? set_cpus_allowed_ptr+0xa1/0xf0 [ 104.666749][ C1] ? __cfi_autoremove_wake_function+0x10/0x10 [ 104.666768][ C1] ? __kasan_check_read+0x15/0x20 [ 104.666784][ C1] ? __kthread_parkme+0x12f/0x180 [ 104.666801][ C1] ? schedule+0xc5/0x240 [ 104.666819][ C1] kthread+0x2c7/0x360 [ 104.666837][ C1] ? __cfi_kauditd_thread+0x10/0x10 [ 104.666860][ C1] ? __cfi_kthread+0x10/0x10 [ 104.666878][ C1] ret_from_fork+0x67/0xa0 [ 104.666901][ C1] ? __cfi_kthread+0x10/0x10 [ 104.666918][ C1] ret_from_fork_asm+0x1a/0x30 [ 104.666936][ C1] [ 104.666942][ C0] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.666963][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.666971][ C0] Call Trace: [ 104.666977][ C0] [ 104.666984][ C0] __dump_stack+0x21/0x30 [ 104.667010][ C0] dump_stack_lvl+0x140/0x1c0 [ 104.667034][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.667059][ C0] ? ref_tracker_alloc+0x356/0x5b0 [ 104.667081][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 104.667105][ C0] ? dst_alloc+0x163/0x240 [ 104.667125][ C0] dump_stack+0x19/0x20 [ 104.667148][ C0] should_fail_ex+0x3c2/0x510 [ 104.667166][ C0] should_failslab+0xac/0x100 [ 104.667186][ C0] __kmalloc_cache_noprof+0x41/0x470 [ 104.667206][ C0] ? dst_cow_metrics_generic+0x65/0x2a0 [ 104.667232][ C0] ? dst_init+0x329/0x430 [ 104.667251][ C0] dst_cow_metrics_generic+0x65/0x2a0 [ 104.667271][ C0] icmp6_dst_alloc+0x313/0x4f0 [ 104.667288][ C0] ndisc_send_skb+0x2a6/0xca0 [ 104.667305][ C0] ? should_fail_ex+0x201/0x510 [ 104.667324][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 104.667341][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 104.667367][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 104.667391][ C0] ? __asan_memset+0x39/0x50 [ 104.667408][ C0] ? __ndisc_fill_addr_option+0xdb/0x140 [ 104.667427][ C0] ndisc_send_rs+0x675/0x880 [ 104.667445][ C0] addrconf_rs_timer+0x362/0x620 [ 104.667466][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.667487][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.667507][ C0] call_timer_fn+0x4c/0x300 [ 104.667529][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 104.667549][ C0] __run_timer_base+0x6c0/0x9b0 [ 104.667572][ C0] ? timer_expire_remote+0xa0/0xa0 [ 104.667592][ C0] ? common_interrupt+0x5c/0xb0 [ 104.667613][ C0] ? __cfi_lapic_next_event+0x10/0x10 [ 104.667631][ C0] run_timer_softirq+0x35/0x70 [ 104.667652][ C0] handle_softirqs+0x1aa/0x620 [ 104.667671][ C0] __irq_exit_rcu+0x47/0xb0 [ 104.667687][ C0] irq_exit_rcu+0xd/0x30 [ 104.667703][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 104.667727][ C0] [ 104.667733][ C0] [ 104.667739][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 104.667761][ C0] RIP: 0010:preempt_schedule_irq+0xa6/0x110 [ 104.667784][ C0] Code: 24 20 f7 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 3a 65 ff 05 88 72 60 7a fb bf 01 00 00 00 f5 d8 ff ff fa 65 ff 0d 75 72 60 7a 65 48 8b 1d 65 72 60 7a 48 [ 104.667798][ C0] RSP: 0018:ffffc900007ffbc0 EFLAGS: 00000202 [ 104.667814][ C0] RAX: 0000000000000000 RBX: ffffc900007ffc98 RCX: ffff8881f6e00000 [ 104.667827][ C0] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000001 [ 104.667839][ C0] RBP: ffffc900007ffc48 R08: ffff8881108d8007 R09: 1ffff1102211b000 [ 104.667853][ C0] R10: dffffc0000000000 R11: ffffed102211b001 R12: 0000000000000000 [ 104.667865][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920000fff78 [ 104.667881][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 104.667902][ C0] ? .slowpath+0x9/0x13 [ 104.667922][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 104.667942][ C0] raw_irqentry_exit_cond_resched+0x32/0x40 [ 104.667960][ C0] irqentry_exit+0x4a/0x60 [ 104.667975][ C0] sysvec_call_function_single+0x4d/0x90 [ 104.667999][ C0] asm_sysvec_call_function_single+0x1f/0x30 [ 104.668020][ C0] RIP: 0010:_raw_write_unlock_irq+0x2d/0x60 [ 104.668042][ C0] Code: fa 55 48 89 e5 53 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 1c c6 07 00 fb 65 ff 0d 1b 0e 5f 7a <74> 08 5b 5d c3 cc cc cc cc cc e8 54 1e 64 fb eb f1 89 f9 80 e1 07 [ 104.668056][ C0] RSP: 0018:ffffc900007ffd48 EFLAGS: 00000246 [ 104.668071][ C0] RAX: 0000000000000000 RBX: ffff8881219e4500 RCX: dffffc0000000000 [ 104.668083][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8740a040 [ 104.668095][ C0] RBP: ffffc900007ffd50 R08: 0000000000000003 R09: 0000000000000004 [ 104.668108][ C0] R10: dffffc0000000000 R11: fffff520000fff54 R12: 1ffff1102037e57d [ 104.668122][ C0] R13: 1ffff1102037e57c R14: 0000000000000000 R15: dffffc0000000000 [ 104.668137][ C0] do_exit+0x1914/0x2850 [ 104.668161][ C0] ? __cfi_do_exit+0x10/0x10 [ 104.668182][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 104.668201][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 104.668221][ C0] ? __cfi_ksys_write+0x10/0x10 [ 104.668238][ C0] ? zap_other_threads+0x32f/0x370 [ 104.668259][ C0] do_group_exit+0x21f/0x2f0 [ 104.668282][ C0] __x64_sys_exit_group+0x43/0x50 [ 104.668304][ C0] x64_sys_call+0x2ed2/0x2ee0 [ 104.668321][ C0] do_syscall_64+0x57/0xf0 [ 104.668339][ C0] ? clear_bhb_loop+0x50/0xa0 [ 104.668370][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.668391][ C0] RIP: 0033:0x7f2a3879df99 [ 104.668405][ C0] Code: Unable to access opcode bytes at 0x7f2a3879df6f. [ 104.668414][ C0] RSP: 002b:00007ffca53b8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 104.668432][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3879df99 [ 104.668445][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 104.668457][ C0] RBP: 00007f2a3885012c R08: 0000000000000000 R09: 0000555575036f58 [ 104.668469][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 104.668481][ C0] R13: 0000555575036f58 R14: 0000555575039738 R15: 0000000000000000 [ 104.668496][ C0] [ 104.748440][ T10] FAULT_INJECTION: forcing a failure. [ 104.748440][ T10] name failslab, interval 1, probability 1, space 0, times 42 [ 104.758720][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.758750][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.758762][ T99] Call Trace: [ 104.758768][ T99] [ 104.758775][ T99] __dump_stack+0x21/0x30 [ 104.758804][ T99] dump_stack_lvl+0x140/0x1c0 [ 104.758827][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.758851][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 104.758876][ T99] dump_stack+0x19/0x20 [ 104.758898][ T99] should_fail_ex+0x3c2/0x510 [ 104.758918][ T99] should_failslab+0xac/0x100 [ 104.758940][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 104.758960][ T99] ? __alloc_skb+0x10c/0x360 [ 104.758984][ T99] __alloc_skb+0x10c/0x360 [ 104.759014][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 104.759035][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 104.759077][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 104.759105][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 104.759125][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 104.759142][ T99] ? __kasan_check_write+0x18/0x20 [ 104.759160][ T99] ? _raw_spin_lock+0x92/0x120 [ 104.759179][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 104.759199][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 104.759225][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 104.759249][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 104.759274][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 104.759294][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 104.759316][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 104.759341][ T99] __sys_sendto+0x68d/0x700 [ 104.759365][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 104.759391][ T99] ? __cfi___sys_connect+0x10/0x10 [ 104.759416][ T99] ? __kasan_check_write+0x18/0x20 [ 104.759434][ T99] __x64_sys_sendto+0xe9/0x100 [ 104.759459][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 104.759476][ T99] do_syscall_64+0x57/0xf0 [ 104.759495][ T99] ? clear_bhb_loop+0x50/0xa0 [ 104.759518][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.759541][ T99] RIP: 0033:0x7fc188ba9407 [ 104.759557][ T99] 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 [ 104.759572][ T99] RSP: 002b:00007fffbf2bbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 104.759593][ T99] RAX: ffffffffffffffda RBX: 00007fc188a59c80 RCX: 00007fc188ba9407 [ 104.759608][ T99] RDX: 0000000000000069 RSI: 00007fffbf2bbfc0 RDI: 0000000000000003 [ 104.759620][ T99] RBP: 00007fffbf2bc3f0 R08: 0000000000000000 R09: 0000000000000000 [ 104.759633][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbf2bc408 [ 104.759646][ T99] R13: 00007fffbf2bbfc0 R14: 000000000000004e R15: 00007fffbf2bbfc0 [ 104.759661][ T99] [ 104.760322][ T293] [ 104.762667][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.762692][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.762706][ T10] Workqueue: events_power_efficient neigh_periodic_work [ 104.762733][ T10] Call Trace: [ 104.762738][ T10] [ 104.762745][ T10] __dump_stack+0x21/0x30 [ 104.762770][ T10] dump_stack_lvl+0x140/0x1c0 [ 104.762793][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.762816][ T10] ? __kasan_check_write+0x18/0x20 [ 104.762834][ T10] ? _raw_spin_lock+0x92/0x120 [ 104.762854][ T10] dump_stack+0x19/0x20 [ 104.762876][ T10] should_fail_ex+0x3c2/0x510 [ 104.762896][ T10] should_failslab+0xac/0x100 [ 104.762916][ T10] kmem_cache_alloc_node_noprof+0x45/0x420 [ 104.762935][ T10] ? __alloc_skb+0x10c/0x360 [ 104.762959][ T10] __alloc_skb+0x10c/0x360 [ 104.762981][ T10] __neigh_notify+0x83/0x140 [ 104.763004][ T10] neigh_cleanup_and_release+0x2c/0x1a0 [ 104.763028][ T10] neigh_periodic_work+0x9b7/0xbb0 [ 104.763052][ T10] process_scheduled_works+0x7f7/0x1060 [ 104.763075][ T10] worker_thread+0xc99/0x13f0 [ 104.763094][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 104.763115][ T10] ? __kasan_check_read+0x15/0x20 [ 104.763133][ T10] kthread+0x2c7/0x360 [ 104.763152][ T10] ? __cfi_worker_thread+0x10/0x10 [ 104.763171][ T10] ? __cfi_kthread+0x10/0x10 [ 104.763189][ T10] ret_from_fork+0x67/0xa0 [ 104.763213][ T10] ? __cfi_kthread+0x10/0x10 [ 104.763233][ T10] ret_from_fork_asm+0x1a/0x30 [ 104.763252][ T10] [ 104.764079][ T10] FAULT_INJECTION: forcing a failure. [ 104.764079][ T10] name failslab, interval 1, probability 1, space 0, times 37 [ 104.766942][ T293] DMA32: [ 104.771523][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.771548][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.771560][ T10] Workqueue: events_power_efficient neigh_periodic_work [ 104.771585][ T10] Call Trace: [ 104.771591][ T10] [ 104.771598][ T10] __dump_stack+0x21/0x30 [ 104.771621][ T10] dump_stack_lvl+0x140/0x1c0 [ 104.771644][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.771667][ T10] ? __kasan_check_write+0x18/0x20 [ 104.771686][ T10] ? _raw_spin_lock+0x92/0x120 [ 104.771705][ T10] dump_stack+0x19/0x20 [ 104.771727][ T10] should_fail_ex+0x3c2/0x510 [ 104.771747][ T10] should_failslab+0xac/0x100 [ 104.771768][ T10] kmem_cache_alloc_node_noprof+0x45/0x420 [ 104.771788][ T10] ? __alloc_skb+0x10c/0x360 [ 104.771810][ T10] __alloc_skb+0x10c/0x360 [ 104.771834][ T10] __neigh_notify+0x83/0x140 [ 104.771856][ T10] neigh_cleanup_and_release+0x2c/0x1a0 [ 104.771880][ T10] neigh_periodic_work+0x9b7/0xbb0 [ 104.771904][ T10] process_scheduled_works+0x7f7/0x1060 [ 104.771925][ T10] worker_thread+0xc99/0x13f0 [ 104.771943][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 104.771963][ T10] ? __kasan_check_read+0x15/0x20 [ 104.771981][ T10] kthread+0x2c7/0x360 [ 104.771999][ T10] ? __cfi_worker_thread+0x10/0x10 [ 104.772017][ T10] ? __cfi_kthread+0x10/0x10 [ 104.772036][ T10] ret_from_fork+0x67/0xa0 [ 104.772059][ T10] ? __cfi_kthread+0x10/0x10 [ 104.772079][ T10] ret_from_fork_asm+0x1a/0x30 [ 104.772097][ T10] [ 104.778898][ T10] FAULT_INJECTION: forcing a failure. [ 104.778898][ T10] name failslab, interval 1, probability 1, space 0, times 34 [ 104.782222][ T293] 5*4kB [ 104.787109][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.787136][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.787147][ T10] Workqueue: events_power_efficient neigh_periodic_work [ 104.787175][ T10] Call Trace: [ 104.787181][ T10] [ 104.787189][ T10] __dump_stack+0x21/0x30 [ 104.787213][ T10] dump_stack_lvl+0x140/0x1c0 [ 104.787243][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.787265][ T10] ? __kasan_check_write+0x18/0x20 [ 104.787284][ T10] ? _raw_spin_lock+0x92/0x120 [ 104.787305][ T10] dump_stack+0x19/0x20 [ 104.787327][ T10] should_fail_ex+0x3c2/0x510 [ 104.787348][ T10] should_failslab+0xac/0x100 [ 104.787369][ T10] kmem_cache_alloc_node_noprof+0x45/0x420 [ 104.787388][ T10] ? __alloc_skb+0x10c/0x360 [ 104.787412][ T10] __alloc_skb+0x10c/0x360 [ 104.787436][ T10] __neigh_notify+0x83/0x140 [ 104.787459][ T10] neigh_cleanup_and_release+0x2c/0x1a0 [ 104.787482][ T10] neigh_periodic_work+0x9b7/0xbb0 [ 104.787513][ T10] process_scheduled_works+0x7f7/0x1060 [ 104.787535][ T10] worker_thread+0xc99/0x13f0 [ 104.787554][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 104.787574][ T10] ? __kasan_check_read+0x15/0x20 [ 104.787592][ T10] kthread+0x2c7/0x360 [ 104.787611][ T10] ? __cfi_worker_thread+0x10/0x10 [ 104.787629][ T10] ? __cfi_kthread+0x10/0x10 [ 104.787648][ T10] ret_from_fork+0x67/0xa0 [ 104.787672][ T10] ? __cfi_kthread+0x10/0x10 [ 104.787691][ T10] ret_from_fork_asm+0x1a/0x30 [ 104.787709][ T10] [ 104.787924][ T110] FAULT_INJECTION: forcing a failure. [ 104.787924][ T110] name failslab, interval 1, probability 1, space 0, times 33 [ 104.792270][ T293] (M) [ 104.812591][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.812628][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.812639][ T110] Call Trace: [ 104.812644][ T110] [ 104.812651][ T110] __dump_stack+0x21/0x30 [ 104.812680][ T110] dump_stack_lvl+0x140/0x1c0 [ 104.812702][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.812727][ T110] dump_stack+0x19/0x20 [ 104.812749][ T110] should_fail_ex+0x3c2/0x510 [ 104.812770][ T110] should_failslab+0xac/0x100 [ 104.812792][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 104.812810][ T110] ? getname_flags+0xcc/0x6b0 [ 104.812830][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 104.812848][ T110] getname_flags+0xcc/0x6b0 [ 104.812867][ T110] vfs_fstatat+0xcb/0x1d0 [ 104.812888][ T110] __se_sys_newfstatat+0x127/0x3c0 [ 104.812910][ T110] ? __x64_sys_newfstatat+0xc0/0xc0 [ 104.812936][ T110] ? xfd_validate_state+0x68/0x140 [ 104.812962][ T110] __x64_sys_newfstatat+0x9f/0xc0 [ 104.812983][ T110] x64_sys_call+0x1821/0x2ee0 [ 104.813000][ T110] do_syscall_64+0x57/0xf0 [ 104.813020][ T110] ? clear_bhb_loop+0x50/0xa0 [ 104.813043][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.813065][ T110] RIP: 0033:0x7f6ad7511b0a [ 104.813080][ T110] Code: 48 8b 15 f1 f2 0d 00 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 8b 15 b9 f2 0d 00 f7 [ 104.813095][ T110] RSP: 002b:00007ffd2c204988 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 104.813115][ T110] RAX: ffffffffffffffda RBX: 00005643e7b6a408 RCX: 00007f6ad7511b0a [ 104.813129][ T110] RDX: 00007ffd2c204990 RSI: 00005643e7b58ef3 RDI: 00000000ffffff9c [ 104.813142][ T110] RBP: 0000564413469728 R08: 00063489548db180 R09: 4000000000000000 [ 104.813155][ T110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 104.813167][ T110] R13: 00007ffd2c204990 R14: 0000000000000000 R15: 00063489548db180 [ 104.813182][ T110] [ 104.819314][ T99] FAULT_INJECTION: forcing a failure. [ 104.819314][ T99] name failslab, interval 1, probability 1, space 0, times 31 [ 104.822792][ T293] 2*8kB [ 104.842648][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 104.842679][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 104.842689][ T99] Call Trace: [ 104.842695][ T99] [ 104.842702][ T99] __dump_stack+0x21/0x30 [ 104.842730][ T99] dump_stack_lvl+0x140/0x1c0 [ 104.842753][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 104.842777][ T99] ? __kasan_check_write+0x18/0x20 [ 104.842796][ T99] dump_stack+0x19/0x20 [ 104.842818][ T99] should_fail_ex+0x3c2/0x510 [ 104.842838][ T99] should_failslab+0xac/0x100 [ 104.842858][ T99] __kmalloc_cache_noprof+0x41/0x470 [ 104.842878][ T99] ? syslog_print+0x12d/0x6f0 [ 104.842901][ T99] syslog_print+0x12d/0x6f0 [ 104.842921][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 104.842942][ T99] ? do_syslog+0x7f0/0x7f0 [ 104.842964][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 104.842984][ T99] ? selinux_capable+0x38/0x50 [ 104.843006][ T99] ? selinux_syslog+0x10d/0x140 [ 104.843027][ T99] ? bpf_lsm_syslog+0xd/0x20 [ 104.843052][ T99] do_syslog+0x584/0x7f0 [ 104.843073][ T99] ? __cfi_do_syslog+0x10/0x10 [ 104.843093][ T99] ? __cfi___sys_connect+0x10/0x10 [ 104.843120][ T99] ? __kasan_check_read+0x15/0x20 [ 104.843138][ T99] __x64_sys_syslog+0x80/0x90 [ 104.843159][ T99] x64_sys_call+0x19e6/0x2ee0 [ 104.843175][ T99] do_syscall_64+0x57/0xf0 [ 104.843194][ T99] ? clear_bhb_loop+0x50/0xa0 [ 104.843217][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 104.843240][ T99] RIP: 0033:0x7fc188c23a37 [ 104.843255][ T99] Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48 [ 104.843270][ T99] RSP: 002b:00007fffbf2bc4d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 104.843290][ T99] RAX: ffffffffffffffda RBX: 00007fc188dc3490 RCX: 00007fc188c23a37 [ 104.843303][ T99] RDX: 00000000000003ff RSI: 00007fc188dc3490 RDI: 0000000000000002 [ 104.843316][ T99] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 104.843326][ T99] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fc188dc3490 [ 104.843338][ T99] R13: 00007fc188da0dfe R14: 00007fc188dc3839 R15: 00007fc188dc3839 [ 104.843353][ T99] [ 107.648683][ T64] FAULT_INJECTION: forcing a failure. [ 107.648683][ T64] name failslab, interval 1, probability 1, space 0, times 26 [ 107.661533][ T64] CPU: 1 UID: 0 PID: 64 Comm: kworker/1:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 107.661567][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 107.661581][ T64] Workqueue: mld mld_dad_work [ 107.661608][ T64] Call Trace: [ 107.661616][ T64] [ 107.661625][ T64] __dump_stack+0x21/0x30 [ 107.661655][ T64] dump_stack_lvl+0x140/0x1c0 [ 107.661682][ T64] ? __cfi_dump_stack_lvl+0x10/0x10 [ 107.661710][ T64] dump_stack+0x19/0x20 [ 107.661736][ T64] should_fail_ex+0x3c2/0x510 [ 107.661764][ T64] ? __cfi_ip6_dst_gc+0x10/0x10 [ 107.661788][ T64] should_failslab+0xac/0x100 [ 107.661820][ T64] kmem_cache_alloc_noprof+0x42/0x410 [ 107.661841][ T64] ? kasan_save_alloc_info+0x3a/0x50 [ 107.661870][ T64] ? dst_alloc+0x13c/0x240 [ 107.661891][ T64] ? __cfi_ip6_dst_gc+0x10/0x10 [ 107.661914][ T64] dst_alloc+0x13c/0x240 [ 107.661935][ T64] icmp6_dst_alloc+0xef/0x4f0 [ 107.661954][ T64] mld_sendpack+0x5ac/0xd10 [ 107.661977][ T64] ? add_grec+0x1400/0x1400 [ 107.661998][ T64] ? add_grec+0xfa8/0x1400 [ 107.662020][ T64] ? __asan_memcpy+0x5a/0x80 [ 107.662041][ T64] ? mutex_lock+0x97/0x1d0 [ 107.662069][ T64] mld_send_initial_cr+0x1c0/0x320 [ 107.662090][ T64] mld_dad_work+0x3e/0x4e0 [ 107.662110][ T64] process_scheduled_works+0x7f7/0x1060 [ 107.662135][ T64] worker_thread+0xc99/0x13f0 [ 107.662157][ T64] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 107.662179][ T64] ? __kasan_check_read+0x15/0x20 [ 107.662200][ T64] kthread+0x2c7/0x360 [ 107.662221][ T64] ? __cfi_worker_thread+0x10/0x10 [ 107.662242][ T64] ? __cfi_kthread+0x10/0x10 [ 107.662264][ T64] ret_from_fork+0x67/0xa0 [ 107.662290][ T64] ? __cfi_kthread+0x10/0x10 [ 107.662311][ T64] ret_from_fork_asm+0x1a/0x30 [ 107.662332][ T64] [ 107.663337][ T13] FAULT_INJECTION: forcing a failure. [ 107.663337][ T13] name failslab, interval 1, probability 1, space 0, times 25 [ 107.855672][ T293] (M) 3*16kB (M) 4*32kB (M) 4*64kB (M) 5*128kB (M) 5*256kB (M) 5*512kB (M) 4*1024kB (UM) 4*2048kB (M) 718*4096kB (M) = 2958164kB [ 107.869608][ T293] Normal: 880*4kB (UME) 530*8kB (UME) 162*16kB (UME) 209*32kB (UME) 93*64kB (UME) 60*128kB (UME) 55*256kB (UME) 34*512kB (UME) 29*1024kB (UME) 17*2048kB (UM) 762*4096kB (UM) = 3247824kB [ 107.888148][ T293] 8010 total pagecache pages [ 107.892786][ T293] 0 pages in swap cache [ 107.896953][ T293] Free swap = 124996kB [ 107.901116][ T293] Total swap = 124996kB [ 107.905307][ T293] 2097051 pages RAM [ 107.909207][ T293] 0 pages HighMem/MovableOnly [ 107.913907][ T293] 352235 pages reserved [ 107.918067][ T293] 0 pages cma reserved [ 107.924961][ T293] Memory allocations: [ 107.928967][ T293] 0 B 0 init/main.c:1477 func:do_initcalls [ 107.936378][ T293] 0 B 0 init/do_mounts.c:186 func:mount_root_generic [ 107.944525][ T293] 0 B 0 init/do_mounts.c:158 func:do_mount_root [ 107.952260][ T293] 0 B 0 init/do_mounts.c:352 func:mount_nodev_root [ 107.960215][ T293] 0 B 0 init/do_mounts_rd.c:241 func:rd_load_image [ 107.968141][ T293] 0 B 0 init/do_mounts_rd.c:72 func:identify_ramdisk_image [ 107.976766][ T293] 0 B 0 init/initramfs.c:507 func:unpack_to_rootfs [ 107.984687][ T293] 0 B 0 init/initramfs.c:508 func:unpack_to_rootfs [ 107.992544][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 107.992573][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 107.992585][ T13] Workqueue: ipv6_addrconf addrconf_dad_work [ 107.992613][ T13] Call Trace: [ 107.992620][ T13] [ 107.992628][ T13] __dump_stack+0x21/0x30 [ 107.992655][ T13] dump_stack_lvl+0x140/0x1c0 [ 107.992677][ T13] ? __cfi_dump_stack_lvl+0x10/0x10 [ 107.992702][ T13] ? _raw_spin_lock+0x92/0x120 [ 107.992722][ T13] dump_stack+0x19/0x20 [ 107.992744][ T13] should_fail_ex+0x3c2/0x510 [ 107.992765][ T13] should_failslab+0xac/0x100 [ 107.992786][ T13] kmem_cache_alloc_node_noprof+0x45/0x420 [ 107.992806][ T13] ? __alloc_skb+0x10c/0x360 [ 107.992829][ T13] __alloc_skb+0x10c/0x360 [ 107.992852][ T13] ndisc_send_rs+0x322/0x880 [ 107.992871][ T13] addrconf_dad_completed+0x973/0xef0 [ 107.992890][ T13] ? addrconf_dad_stop+0x460/0x460 [ 107.992910][ T13] addrconf_dad_work+0xc7f/0x1550 [ 107.992929][ T13] ? __cfi_addrconf_dad_work+0x10/0x10 [ 107.992948][ T13] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 107.992968][ T13] ? kick_pool+0xb9/0x540 [ 107.992989][ T13] process_scheduled_works+0x7f7/0x1060 [ 107.993009][ T13] worker_thread+0xc99/0x13f0 [ 107.993029][ T13] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 107.993049][ T13] ? __kasan_check_read+0x15/0x20 [ 107.993067][ T13] kthread+0x2c7/0x360 [ 107.993086][ T13] ? __cfi_worker_thread+0x10/0x10 [ 107.993104][ T13] ? __cfi_kthread+0x10/0x10 [ 107.993123][ T13] ret_from_fork+0x67/0xa0 [ 107.993148][ T13] ? __cfi_kthread+0x10/0x10 [ 107.993168][ T13] ret_from_fork_asm+0x1a/0x30 [ 107.993186][ T13] [ 108.162015][ T293] 0 B 0 init/initramfs.c:509 func:unpack_to_rootfs [ 108.169970][ T293] 0 B 0 init/initramfs.c:101 func:find_link [ 108.184419][ T46] bridge_slave_1: left allmulticast mode [ 108.190150][ T46] bridge_slave_1: left promiscuous mode [ 108.198445][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.222863][ T46] bridge_slave_0: left allmulticast mode [ 108.228546][ T46] bridge_slave_0: left promiscuous mode [ 108.242643][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.254421][ T46] FAULT_INJECTION: forcing a failure. [ 108.254421][ T46] name failslab, interval 1, probability 1, space 0, times 22 [ 108.302587][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 108.302626][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 108.302640][ T46] Workqueue: netns cleanup_net [ 108.302671][ T46] Call Trace: [ 108.302678][ T46] [ 108.302686][ T46] __dump_stack+0x21/0x30 [ 108.302716][ T46] dump_stack_lvl+0x140/0x1c0 [ 108.302743][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 108.302770][ T46] ? _raw_spin_lock_bh+0x96/0x130 [ 108.302793][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 108.302816][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 108.302842][ T46] ? timer_delete+0x101/0x3e0 [ 108.302866][ T46] dump_stack+0x19/0x20 [ 108.302891][ T46] should_fail_ex+0x3c2/0x510 [ 108.302915][ T46] should_failslab+0xac/0x100 [ 108.302938][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 108.302960][ T46] ? __alloc_skb+0x10c/0x360 [ 108.302987][ T46] __alloc_skb+0x10c/0x360 [ 108.303013][ T46] rtmsg_ifinfo_build_skb+0x7a/0x270 [ 108.303036][ T46] rtmsg_ifinfo+0x91/0x1a0 [ 108.303057][ T46] dev_close_many+0x27b/0x4f0 [ 108.303078][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 108.303097][ T46] ? __call_rcu_common+0x53c/0x710 [ 108.303120][ T46] ? __kasan_check_read+0x15/0x20 [ 108.303139][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 108.303168][ T46] ? call_rcu_hurry+0x30/0x30 [ 108.303189][ T46] ? __kasan_check_read+0x15/0x20 [ 108.303208][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 108.303235][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 108.303259][ T46] ? kernfs_put+0x343/0x360 [ 108.303283][ T46] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 108.303309][ T46] ? __kasan_check_read+0x15/0x20 [ 108.303328][ T46] ? mutex_is_locked+0x1b/0x50 [ 108.303355][ T46] ? nexthop_net_exit_batch_rtnl+0x22d/0x290 [ 108.303380][ T46] ? br_net_exit_batch_rtnl+0x157/0x1a0 [ 108.303409][ T46] unregister_netdevice_many+0x1d/0x30 [ 108.303443][ T46] cleanup_net+0x640/0xc90 [ 108.303467][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 108.303491][ T46] ? kick_pool+0xb9/0x540 [ 108.303516][ T46] process_scheduled_works+0x7f7/0x1060 [ 108.303540][ T46] worker_thread+0xc99/0x13f0 [ 108.303561][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 108.303585][ T46] ? __kasan_check_read+0x15/0x20 [ 108.303605][ T46] kthread+0x2c7/0x360 [ 108.303627][ T46] ? __cfi_worker_thread+0x10/0x10 [ 108.303648][ T46] ? __cfi_kthread+0x10/0x10 [ 108.303670][ T46] ret_from_fork+0x67/0xa0 [ 108.303698][ T46] ? __cfi_kthread+0x10/0x10 [ 108.303720][ T46] ret_from_fork_asm+0x1a/0x30 [ 108.303741][ T46] [ 108.307740][ T46] FAULT_INJECTION: forcing a failure. [ 108.307740][ T46] name failslab, interval 1, probability 1, space 0, times 21 [ 108.578968][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 108.579001][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 108.579014][ T46] Workqueue: netns cleanup_net [ 108.579059][ T46] Call Trace: [ 108.579066][ T46] [ 108.579075][ T46] __dump_stack+0x21/0x30 [ 108.579105][ T46] dump_stack_lvl+0x140/0x1c0 [ 108.579131][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 108.579158][ T46] ? stack_trace_save+0xaa/0x100 [ 108.579181][ T46] ? stack_depot_save_flags+0x38/0x800 [ 108.579206][ T46] dump_stack+0x19/0x20 [ 108.579229][ T46] should_fail_ex+0x3c2/0x510 [ 108.579251][ T46] should_failslab+0xac/0x100 [ 108.579274][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 108.579294][ T46] ? kthread+0x2c7/0x360 [ 108.579317][ T46] ? ret_from_fork+0x67/0xa0 [ 108.579344][ T46] ? __alloc_skb+0x10c/0x360 [ 108.579369][ T46] __alloc_skb+0x10c/0x360 [ 108.579395][ T46] __ipv6_ifa_notify+0x205/0xee0 [ 108.579418][ T46] ? snmp6_fill_stats+0x9b0/0x9b0 [ 108.579439][ T46] ? _raw_spin_lock+0x92/0x120 [ 108.579459][ T46] ? timer_delete+0x101/0x3e0 [ 108.579482][ T46] ? __cfi__raw_spin_lock+0x10/0x10 [ 108.579503][ T46] ? __kasan_check_write+0x18/0x20 [ 108.579523][ T46] ? work_grab_pending+0x301/0x830 [ 108.579548][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 108.579572][ T46] ? kvfree_call_rcu+0x40e/0x730 [ 108.579596][ T46] ? mod_delayed_work_on+0x140/0x140 [ 108.579621][ T46] ? __kasan_check_write+0x18/0x20 [ 108.579640][ T46] ? _raw_spin_lock_bh+0x96/0x130 [ 108.579661][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 108.579682][ T46] ? __cancel_work+0x175/0x1f0 [ 108.579706][ T46] addrconf_ifdown+0xe01/0x1970 [ 108.579727][ T46] ? addrconf_cleanup+0x150/0x150 [ 108.579747][ T46] ? __kasan_check_write+0x18/0x20 [ 108.579766][ T46] ? mutex_unlock+0x90/0x240 [ 108.579912][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 108.579945][ T46] ? __cfi_device_cmp+0x10/0x10 [ 108.579971][ T46] ? masq_device_event+0xe0/0xe0 [ 108.580013][ T46] addrconf_notify+0x17a/0xeb0 [ 108.580037][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 108.580057][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 108.580081][ T46] notifier_call_chain+0x106/0x2b0 [ 108.580101][ T46] raw_notifier_call_chain+0x31/0x40 [ 108.580122][ T46] dev_close_many+0x332/0x4f0 [ 108.580144][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 108.580164][ T46] ? __call_rcu_common+0x53c/0x710 [ 108.580188][ T46] ? __kasan_check_read+0x15/0x20 [ 108.580209][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 108.580237][ T46] ? call_rcu_hurry+0x30/0x30 [ 108.580259][ T46] ? __kasan_check_read+0x15/0x20 [ 108.580278][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 108.580304][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 108.580329][ T46] ? kernfs_put+0x343/0x360 [ 108.580354][ T46] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 108.580381][ T46] ? __kasan_check_read+0x15/0x20 [ 108.580401][ T46] ? mutex_is_locked+0x1b/0x50 [ 108.580428][ T46] ? nexthop_net_exit_batch_rtnl+0x22d/0x290 [ 108.580454][ T46] ? br_net_exit_batch_rtnl+0x157/0x1a0 [ 108.580482][ T46] unregister_netdevice_many+0x1d/0x30 [ 108.580508][ T46] cleanup_net+0x640/0xc90 [ 108.580532][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 108.580557][ T46] ? kick_pool+0xb9/0x540 [ 108.580582][ T46] process_scheduled_works+0x7f7/0x1060 [ 108.580607][ T46] worker_thread+0xc99/0x13f0 [ 108.580629][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 108.580653][ T46] ? __kasan_check_read+0x15/0x20 [ 108.580673][ T46] kthread+0x2c7/0x360 [ 108.580696][ T46] ? __cfi_worker_thread+0x10/0x10 [ 108.580717][ T46] ? __cfi_kthread+0x10/0x10 [ 108.580739][ T46] ret_from_fork+0x67/0xa0 [ 108.580779][ T46] ? __cfi_kthread+0x10/0x10 [ 108.580801][ T46] ret_from_fork_asm+0x1a/0x30 [ 108.580823][ T46] [ 109.020065][ T3199] FAULT_INJECTION: forcing a failure. [ 109.020065][ T3199] name failslab, interval 1, probability 1, space 0, times 17 [ 109.032926][ T3199] CPU: 1 UID: 0 PID: 3199 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 109.032974][ T3199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 109.032987][ T3199] Call Trace: [ 109.032994][ T3199] [ 109.033002][ T3199] __dump_stack+0x21/0x30 [ 109.033035][ T3199] dump_stack_lvl+0x140/0x1c0 [ 109.033063][ T3199] ? __cfi_dump_stack_lvl+0x10/0x10 [ 109.033091][ T3199] ? __kasan_check_read+0x15/0x20 [ 109.033113][ T3199] dump_stack+0x19/0x20 [ 109.033138][ T3199] should_fail_ex+0x3c2/0x510 [ 109.033162][ T3199] should_failslab+0xac/0x100 [ 109.033186][ T3199] kmem_cache_alloc_node_noprof+0x45/0x420 [ 109.033209][ T3199] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 109.033233][ T3199] ? __alloc_skb+0x10c/0x360 [ 109.033260][ T3199] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 109.033284][ T3199] __alloc_skb+0x10c/0x360 [ 109.033310][ T3199] __ipv6_ifa_notify+0x205/0xee0 [ 109.033332][ T3199] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 109.033356][ T3199] ? snmp6_fill_stats+0x9b0/0x9b0 [ 109.033377][ T3199] ? timer_delete+0x101/0x3e0 [ 109.033401][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.033421][ T3199] ? work_grab_pending+0x301/0x830 [ 109.033447][ T3199] ? neigh_ifdown+0x23/0x30 [ 109.033470][ T3199] ? rt6_disable_ip+0x79e/0x810 [ 109.033490][ T3199] ? mod_delayed_work_on+0x140/0x140 [ 109.033515][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.033534][ T3199] ? _raw_spin_lock_bh+0x96/0x130 [ 109.033556][ T3199] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 109.033578][ T3199] ? __cancel_work+0x175/0x1f0 [ 109.033604][ T3199] addrconf_ifdown+0xe01/0x1970 [ 109.033626][ T3199] ? addrconf_cleanup+0x150/0x150 [ 109.033646][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.033666][ T3199] ? mutex_unlock+0x90/0x240 [ 109.033692][ T3199] ? __cfi_mutex_unlock+0x10/0x10 [ 109.033719][ T3199] ? __cfi_device_cmp+0x10/0x10 [ 109.033742][ T3199] ? masq_device_event+0xe0/0xe0 [ 109.033768][ T3199] addrconf_notify+0x17a/0xeb0 [ 109.033791][ T3199] ? ip6mr_device_event+0x1ed/0x230 [ 109.033811][ T3199] ? __cfi_addrconf_notify+0x10/0x10 [ 109.033834][ T3199] notifier_call_chain+0x106/0x2b0 [ 109.033862][ T3199] raw_notifier_call_chain+0x31/0x40 [ 109.033882][ T3199] dev_close_many+0x332/0x4f0 [ 109.033903][ T3199] ? __cfi_dev_close_many+0x10/0x10 [ 109.033924][ T3199] ? __kasan_check_read+0x15/0x20 [ 109.033944][ T3199] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 109.033973][ T3199] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 109.033995][ T3199] ? stack_depot_save_flags+0x38/0x800 [ 109.034020][ T3199] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 109.034049][ T3199] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 109.034074][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.034095][ T3199] ? queue_delayed_work_on+0x16f/0x1f0 [ 109.034120][ T3199] ? netif_carrier_off+0xa6/0xd0 [ 109.034142][ T3199] ? __kasan_check_read+0x15/0x20 [ 109.034162][ T3199] unregister_netdevice_queue+0x302/0x350 [ 109.034188][ T3199] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 109.034215][ T3199] ? linkwatch_fire_event+0x212/0x260 [ 109.034245][ T3199] __tun_detach+0xc98/0x1450 [ 109.034268][ T3199] ? __cfi_tun_chr_close+0x10/0x10 [ 109.034288][ T3199] tun_chr_close+0x93/0x150 [ 109.034307][ T3199] __fput+0x208/0xa30 [ 109.034335][ T3199] ____fput+0x20/0x30 [ 109.034358][ T3199] task_work_run+0x1e8/0x260 [ 109.034384][ T3199] ? __cfi_task_work_run+0x10/0x10 [ 109.034410][ T3199] ? free_nsproxy+0x223/0x290 [ 109.034439][ T3199] do_exit+0xa46/0x2850 [ 109.034468][ T3199] ? __cfi_do_exit+0x10/0x10 [ 109.034494][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.034515][ T3199] ? _raw_spin_lock_irq+0x93/0x120 [ 109.034538][ T3199] do_group_exit+0x21f/0x2f0 [ 109.034564][ T3199] ? __kasan_check_write+0x18/0x20 [ 109.034584][ T3199] ? recalc_sigpending+0x184/0x1d0 [ 109.034608][ T3199] get_signal+0x134c/0x1490 [ 109.034638][ T3199] arch_do_signal_or_restart+0xbc/0x700 [ 109.034659][ T3199] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 109.034679][ T3199] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 109.034702][ T3199] ? __x64_sys_getsockopt+0x1f1/0x280 [ 109.034723][ T3199] syscall_exit_to_user_mode+0x57/0xb0 [ 109.034753][ T3199] do_syscall_64+0x63/0xf0 [ 109.034775][ T3199] ? clear_bhb_loop+0x50/0xa0 [ 109.034802][ T3199] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 109.034828][ T3199] RIP: 0033:0x7f007579f76a [ 109.034862][ T3199] Code: Unable to access opcode bytes at 0x7f007579f740. [ 109.034874][ T3199] RSP: 002b:00007ffea06869c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 109.034898][ T3199] RAX: 0000000000000000 RBX: 00007ffea06869f0 RCX: 00007f007579f76a [ 109.034914][ T3199] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 109.034928][ T3199] RBP: 0000000000000003 R08: 00007ffea06869ec R09: 0000000000000000 [ 109.034942][ T3199] R10: 00007ffea06869f0 R11: 0000000000000246 R12: 00007f00759eefc0 [ 109.034957][ T3199] R13: 00007ffea06869ec R14: 0000000000000000 R15: 00007f00759f1180 [ 109.034975][ T3199] [ 109.596908][ T46] veth1_macvtap: left promiscuous mode [ 109.602638][ T46] veth0_vlan: left promiscuous mode [ 109.615658][ T46] FAULT_INJECTION: forcing a failure. [ 109.615658][ T46] name failslab, interval 1, probability 1, space 0, times 12 [ 109.628403][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 109.628435][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 109.628450][ T46] Workqueue: netns cleanup_net [ 109.628481][ T46] Call Trace: [ 109.628489][ T46] [ 109.628498][ T46] __dump_stack+0x21/0x30 [ 109.628529][ T46] dump_stack_lvl+0x140/0x1c0 [ 109.628557][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 109.628585][ T46] ? kthread+0x2c7/0x360 [ 109.628610][ T46] dump_stack+0x19/0x20 [ 109.628636][ T46] should_fail_ex+0x3c2/0x510 [ 109.628661][ T46] should_failslab+0xac/0x100 [ 109.628687][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 109.628710][ T46] ? __kasan_check_write+0x18/0x20 [ 109.628730][ T46] ? __alloc_skb+0x10c/0x360 [ 109.628757][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 109.628782][ T46] __alloc_skb+0x10c/0x360 [ 109.628835][ T46] inet6_rt_notify+0x351/0x520 [ 109.628865][ T46] ? fib6_purge_rt+0x6f8/0x7b0 [ 109.628894][ T46] ? __cfi_inet6_rt_notify+0x10/0x10 [ 109.628917][ T46] fib6_del+0xba0/0xf50 [ 109.628946][ T46] ? __cfi_fib6_del+0x10/0x10 [ 109.628978][ T46] ? stack_trace_save+0xaa/0x100 [ 109.629001][ T46] ? stack_depot_save_flags+0x38/0x800 [ 109.629039][ T46] ? fib6_ifdown+0x2f1/0x4f0 [ 109.629061][ T46] fib6_clean_node+0x2b9/0x560 [ 109.629088][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 109.629117][ T46] ? __kasan_check_write+0x18/0x20 [ 109.629137][ T46] ? _raw_spin_lock+0x92/0x120 [ 109.629159][ T46] ? __cfi__raw_spin_lock+0x10/0x10 [ 109.629182][ T46] fib6_walk_continue+0x51b/0x740 [ 109.629212][ T46] __fib6_clean_all+0x2a2/0x440 [ 109.629240][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 109.629260][ T46] ? fib6_clean_all+0x50/0x50 [ 109.629287][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 109.629315][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 109.629337][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 109.629356][ T46] fib6_clean_all+0x2e/0x50 [ 109.629381][ T46] rt6_disable_ip+0x124/0x810 [ 109.629403][ T46] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 109.629427][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 109.629451][ T46] ? __cfi_rt6_disable_ip+0x10/0x10 [ 109.629472][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 109.629500][ T46] ? __kasan_check_read+0x15/0x20 [ 109.629521][ T46] addrconf_ifdown+0x161/0x1970 [ 109.629543][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 109.629566][ T46] ? __try_to_del_timer_sync+0x2e8/0x440 [ 109.629593][ T46] ? addrconf_cleanup+0x150/0x150 [ 109.629615][ T46] ? __kasan_check_write+0x18/0x20 [ 109.629635][ T46] ? mutex_unlock+0x90/0x240 [ 109.629662][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 109.629689][ T46] ? __cfi_device_cmp+0x10/0x10 [ 109.629715][ T46] ? masq_device_event+0xe0/0xe0 [ 109.629741][ T46] addrconf_notify+0x17a/0xeb0 [ 109.629764][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 109.629784][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 109.629808][ T46] notifier_call_chain+0x106/0x2b0 [ 109.629829][ T46] raw_notifier_call_chain+0x31/0x40 [ 109.629850][ T46] dev_close_many+0x332/0x4f0 [ 109.629879][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 109.629901][ T46] ? __kasan_check_read+0x15/0x20 [ 109.629921][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 109.629952][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 109.629980][ T46] ? __kasan_check_read+0x15/0x20 [ 109.630000][ T46] ? __kasan_check_read+0x15/0x20 [ 109.630021][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 109.630049][ T46] default_device_exit_batch+0x845/0x8d0 [ 109.630080][ T46] ? mutex_lock+0x97/0x1d0 [ 109.630106][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 109.630133][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 109.630165][ T46] ? rtnl_unlock+0x12/0x20 [ 109.630183][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 109.630214][ T46] cleanup_net+0x744/0xc90 [ 109.630239][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 109.630263][ T46] ? kick_pool+0xb9/0x540 [ 109.630288][ T46] process_scheduled_works+0x7f7/0x1060 [ 109.630313][ T46] worker_thread+0xc99/0x13f0 [ 109.630335][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 109.630359][ T46] ? __kasan_check_read+0x15/0x20 [ 109.630380][ T46] kthread+0x2c7/0x360 [ 109.630402][ T46] ? __cfi_worker_thread+0x10/0x10 [ 109.630424][ T46] ? __cfi_kthread+0x10/0x10 [ 109.630447][ T46] ret_from_fork+0x67/0xa0 [ 109.630475][ T46] ? __cfi_kthread+0x10/0x10 [ 109.630498][ T46] ret_from_fork_asm+0x1a/0x30 [ 109.630519][ T46] [ 109.632462][ T46] FAULT_INJECTION: forcing a failure. [ 109.632462][ T46] name failslab, interval 1, probability 1, space 0, times 11 [ 110.089652][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 110.089683][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 110.089698][ T46] Workqueue: netns cleanup_net [ 110.089729][ T46] Call Trace: [ 110.089738][ T46] [ 110.089747][ T46] __dump_stack+0x21/0x30 [ 110.089776][ T46] dump_stack_lvl+0x140/0x1c0 [ 110.089803][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 110.089831][ T46] ? __wake_up+0x169/0x190 [ 110.089854][ T46] dump_stack+0x19/0x20 [ 110.089880][ T46] should_fail_ex+0x3c2/0x510 [ 110.089905][ T46] should_failslab+0xac/0x100 [ 110.089930][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 110.089952][ T46] ? __kasan_check_write+0x18/0x20 [ 110.089980][ T46] ? __alloc_skb+0x10c/0x360 [ 110.090007][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 110.090031][ T46] __alloc_skb+0x10c/0x360 [ 110.090057][ T46] inet6_rt_notify+0x351/0x520 [ 110.090079][ T46] ? fib6_purge_rt+0x6f8/0x7b0 [ 110.090107][ T46] ? __cfi_inet6_rt_notify+0x10/0x10 [ 110.090129][ T46] ? call_fib_notifiers+0xa4/0xc0 [ 110.090150][ T46] fib6_del+0xba0/0xf50 [ 110.090179][ T46] ? __cfi_fib6_del+0x10/0x10 [ 110.090205][ T46] ? stack_trace_save+0xaa/0x100 [ 110.090229][ T46] ? fib6_ifdown+0x2f1/0x4f0 [ 110.090251][ T46] fib6_clean_node+0x2b9/0x560 [ 110.090279][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 110.090307][ T46] ? __kasan_check_write+0x18/0x20 [ 110.090327][ T46] ? _raw_spin_lock+0x92/0x120 [ 110.090348][ T46] ? __cfi__raw_spin_lock+0x10/0x10 [ 110.090371][ T46] fib6_walk_continue+0x51b/0x740 [ 110.090402][ T46] __fib6_clean_all+0x2a2/0x440 [ 110.090430][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.090451][ T46] ? fib6_clean_all+0x50/0x50 [ 110.090477][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 110.090505][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.090527][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.090547][ T46] fib6_clean_all+0x2e/0x50 [ 110.090574][ T46] rt6_disable_ip+0x124/0x810 [ 110.090595][ T46] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 110.090619][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.090643][ T46] ? __cfi_rt6_disable_ip+0x10/0x10 [ 110.090663][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 110.090691][ T46] ? __kasan_check_read+0x15/0x20 [ 110.090712][ T46] addrconf_ifdown+0x161/0x1970 [ 110.090733][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.090757][ T46] ? __try_to_del_timer_sync+0x2e8/0x440 [ 110.090783][ T46] ? addrconf_cleanup+0x150/0x150 [ 110.090804][ T46] ? __kasan_check_write+0x18/0x20 [ 110.090824][ T46] ? mutex_unlock+0x90/0x240 [ 110.090851][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 110.090878][ T46] ? __cfi_device_cmp+0x10/0x10 [ 110.090903][ T46] ? masq_device_event+0xe0/0xe0 [ 110.090929][ T46] addrconf_notify+0x17a/0xeb0 [ 110.090953][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 110.090987][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 110.091010][ T46] notifier_call_chain+0x106/0x2b0 [ 110.091032][ T46] raw_notifier_call_chain+0x31/0x40 [ 110.091053][ T46] dev_close_many+0x332/0x4f0 [ 110.091075][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 110.091105][ T46] ? __kasan_check_read+0x15/0x20 [ 110.091126][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 110.091156][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 110.091184][ T46] ? __kasan_check_read+0x15/0x20 [ 110.091205][ T46] ? __kasan_check_read+0x15/0x20 [ 110.091226][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 110.091254][ T46] default_device_exit_batch+0x845/0x8d0 [ 110.091284][ T46] ? mutex_lock+0x97/0x1d0 [ 110.091310][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 110.091336][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.091368][ T46] ? rtnl_unlock+0x12/0x20 [ 110.091386][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.091416][ T46] cleanup_net+0x744/0xc90 [ 110.091441][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 110.091465][ T46] ? kick_pool+0xb9/0x540 [ 110.091490][ T46] process_scheduled_works+0x7f7/0x1060 [ 110.091515][ T46] worker_thread+0xc99/0x13f0 [ 110.091537][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 110.091561][ T46] ? __kasan_check_read+0x15/0x20 [ 110.091582][ T46] kthread+0x2c7/0x360 [ 110.091605][ T46] ? __cfi_worker_thread+0x10/0x10 [ 110.091627][ T46] ? __cfi_kthread+0x10/0x10 [ 110.091650][ T46] ret_from_fork+0x67/0xa0 [ 110.091679][ T46] ? __cfi_kthread+0x10/0x10 [ 110.091701][ T46] ret_from_fork_asm+0x1a/0x30 [ 110.091723][ T46] [ 110.538015][ T46] FAULT_INJECTION: forcing a failure. [ 110.538015][ T46] name failslab, interval 1, probability 1, space 0, times 10 [ 110.550765][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 110.550803][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 110.550817][ T46] Workqueue: netns cleanup_net [ 110.550849][ T46] Call Trace: [ 110.550858][ T46] [ 110.550867][ T46] __dump_stack+0x21/0x30 [ 110.550898][ T46] dump_stack_lvl+0x140/0x1c0 [ 110.550925][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 110.550953][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.550978][ T46] ? kvfree_call_rcu+0x40e/0x730 [ 110.551002][ T46] dump_stack+0x19/0x20 [ 110.551028][ T46] should_fail_ex+0x3c2/0x510 [ 110.551051][ T46] should_failslab+0xac/0x100 [ 110.551077][ T46] __kmalloc_cache_noprof+0x41/0x470 [ 110.551099][ T46] ? __dev_set_rx_mode+0x74/0x280 [ 110.551121][ T46] ? igmp6_group_dropped+0x3b7/0xc10 [ 110.551143][ T46] ? _raw_spin_unlock_bh+0x54/0x60 [ 110.551167][ T46] igmp6_group_dropped+0x3b7/0xc10 [ 110.551188][ T46] ? netlink_broadcast_filtered+0x114e/0x11d0 [ 110.551221][ T46] ? __ipv6_dev_mc_inc+0xa30/0xa30 [ 110.551242][ T46] ? mutex_lock+0x97/0x1d0 [ 110.551270][ T46] ? __kasan_check_read+0x15/0x20 [ 110.551291][ T46] __ipv6_dev_mc_dec+0x29f/0x4c0 [ 110.551312][ T46] __ipv6_ifa_notify+0x7b1/0xee0 [ 110.551335][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.551360][ T46] ? snmp6_fill_stats+0x9b0/0x9b0 [ 110.551383][ T46] ? __kasan_check_write+0x18/0x20 [ 110.551404][ T46] ? work_grab_pending+0x301/0x830 [ 110.551430][ T46] ? neigh_ifdown+0x23/0x30 [ 110.551453][ T46] ? rt6_disable_ip+0x79e/0x810 [ 110.551482][ T46] ? mod_delayed_work_on+0x140/0x140 [ 110.551508][ T46] ? __kasan_check_write+0x18/0x20 [ 110.551529][ T46] ? _raw_spin_lock_bh+0x96/0x130 [ 110.551551][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 110.551574][ T46] ? __cancel_work+0x175/0x1f0 [ 110.551601][ T46] addrconf_ifdown+0xe01/0x1970 [ 110.551624][ T46] ? addrconf_cleanup+0x150/0x150 [ 110.551645][ T46] ? __kasan_check_write+0x18/0x20 [ 110.551666][ T46] ? mutex_unlock+0x90/0x240 [ 110.551693][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 110.551720][ T46] ? __cfi_device_cmp+0x10/0x10 [ 110.551745][ T46] ? masq_device_event+0xe0/0xe0 [ 110.551771][ T46] addrconf_notify+0x17a/0xeb0 [ 110.551795][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 110.551815][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 110.551839][ T46] notifier_call_chain+0x106/0x2b0 [ 110.551861][ T46] raw_notifier_call_chain+0x31/0x40 [ 110.551882][ T46] dev_close_many+0x332/0x4f0 [ 110.551904][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 110.551925][ T46] ? __kasan_check_read+0x15/0x20 [ 110.551945][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 110.551975][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 110.552002][ T46] ? __kasan_check_read+0x15/0x20 [ 110.552023][ T46] ? __kasan_check_read+0x15/0x20 [ 110.552042][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 110.552071][ T46] default_device_exit_batch+0x845/0x8d0 [ 110.552100][ T46] ? mutex_lock+0x97/0x1d0 [ 110.552127][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 110.552153][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.552184][ T46] ? rtnl_unlock+0x12/0x20 [ 110.552202][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.552233][ T46] cleanup_net+0x744/0xc90 [ 110.552257][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 110.552282][ T46] ? kick_pool+0xb9/0x540 [ 110.552306][ T46] process_scheduled_works+0x7f7/0x1060 [ 110.552331][ T46] worker_thread+0xc99/0x13f0 [ 110.552353][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 110.552377][ T46] ? __kasan_check_read+0x15/0x20 [ 110.552398][ T46] kthread+0x2c7/0x360 [ 110.552420][ T46] ? __cfi_worker_thread+0x10/0x10 [ 110.552442][ T46] ? __cfi_kthread+0x10/0x10 [ 110.552464][ T46] ret_from_fork+0x67/0xa0 [ 110.552500][ T46] ? __cfi_kthread+0x10/0x10 [ 110.552526][ T46] ret_from_fork_asm+0x1a/0x30 [ 110.552546][ T46] [ 110.939843][ T46] FAULT_INJECTION: forcing a failure. [ 110.939843][ T46] name failslab, interval 1, probability 1, space 0, times 9 [ 110.952654][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 110.952687][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 110.952701][ T46] Workqueue: netns cleanup_net [ 110.952731][ T46] Call Trace: [ 110.952739][ T46] [ 110.952749][ T46] __dump_stack+0x21/0x30 [ 110.952779][ T46] dump_stack_lvl+0x140/0x1c0 [ 110.952806][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 110.952836][ T46] dump_stack+0x19/0x20 [ 110.952862][ T46] should_fail_ex+0x3c2/0x510 [ 110.952886][ T46] should_failslab+0xac/0x100 [ 110.952912][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 110.952935][ T46] ? __kasan_check_write+0x18/0x20 [ 110.952954][ T46] ? __alloc_skb+0x10c/0x360 [ 110.952981][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 110.953006][ T46] __alloc_skb+0x10c/0x360 [ 110.953033][ T46] inet6_rt_notify+0x351/0x520 [ 110.953056][ T46] ? __cfi_inet6_rt_notify+0x10/0x10 [ 110.953078][ T46] ? call_fib_notifiers+0xa4/0xc0 [ 110.953099][ T46] fib6_del+0xba0/0xf50 [ 110.953129][ T46] ? __cfi_fib6_del+0x10/0x10 [ 110.953156][ T46] ? fib6_ifdown+0x2f1/0x4f0 [ 110.953177][ T46] fib6_clean_node+0x2b9/0x560 [ 110.953206][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 110.953235][ T46] ? stack_trace_save+0xaa/0x100 [ 110.953259][ T46] fib6_walk_continue+0x51b/0x740 [ 110.953289][ T46] __fib6_clean_all+0x2a2/0x440 [ 110.953315][ T46] ? unregister_netdevice_many_notify+0x4bd/0x1be0 [ 110.953344][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.953364][ T46] ? fib6_clean_all+0x50/0x50 [ 110.953391][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 110.953420][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.953442][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 110.953470][ T46] fib6_clean_all+0x2e/0x50 [ 110.953497][ T46] rt6_disable_ip+0x124/0x810 [ 110.953518][ T46] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 110.953541][ T46] ? __kasan_check_read+0x15/0x20 [ 110.953562][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.953585][ T46] ? __cfi_rt6_disable_ip+0x10/0x10 [ 110.953606][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 110.953633][ T46] ? __kasan_check_read+0x15/0x20 [ 110.953654][ T46] addrconf_ifdown+0x161/0x1970 [ 110.953674][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 110.953698][ T46] ? __try_to_del_timer_sync+0x2e8/0x440 [ 110.953724][ T46] ? addrconf_cleanup+0x150/0x150 [ 110.953745][ T46] ? __kasan_check_write+0x18/0x20 [ 110.953766][ T46] ? mutex_unlock+0x90/0x240 [ 110.953794][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 110.953820][ T46] ? __cfi_device_cmp+0x10/0x10 [ 110.953846][ T46] ? masq_device_event+0xe0/0xe0 [ 110.953873][ T46] addrconf_notify+0x17a/0xeb0 [ 110.953897][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 110.953917][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 110.953940][ T46] notifier_call_chain+0x106/0x2b0 [ 110.953961][ T46] raw_notifier_call_chain+0x31/0x40 [ 110.953983][ T46] dev_close_many+0x332/0x4f0 [ 110.954004][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 110.954026][ T46] ? __kasan_check_read+0x15/0x20 [ 110.954047][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 110.954077][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 110.954105][ T46] ? __kasan_check_read+0x15/0x20 [ 110.954126][ T46] ? __kasan_check_read+0x15/0x20 [ 110.954146][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 110.954175][ T46] default_device_exit_batch+0x845/0x8d0 [ 110.954206][ T46] ? mutex_lock+0x97/0x1d0 [ 110.954233][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 110.954259][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.954291][ T46] ? rtnl_unlock+0x12/0x20 [ 110.954309][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 110.954340][ T46] cleanup_net+0x744/0xc90 [ 110.954365][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 110.954390][ T46] ? kick_pool+0xb9/0x540 [ 110.954415][ T46] process_scheduled_works+0x7f7/0x1060 [ 110.954441][ T46] worker_thread+0xc99/0x13f0 [ 110.954470][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 110.954494][ T46] ? __kasan_check_read+0x15/0x20 [ 110.954515][ T46] kthread+0x2c7/0x360 [ 110.954538][ T46] ? __cfi_worker_thread+0x10/0x10 [ 110.954559][ T46] ? __cfi_kthread+0x10/0x10 [ 110.954582][ T46] ret_from_fork+0x67/0xa0 [ 110.954611][ T46] ? __cfi_kthread+0x10/0x10 [ 110.954634][ T46] ret_from_fork_asm+0x1a/0x30 [ 110.954655][ T46] [ 110.954983][ T46] FAULT_INJECTION: forcing a failure. [ 110.954983][ T46] name failslab, interval 1, probability 1, space 0, times 8 [ 111.394889][ T10] FAULT_INJECTION: forcing a failure. [ 111.394889][ T10] name failslab, interval 1, probability 1, space 0, times 8 [ 111.407705][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 111.407744][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 111.407759][ T10] Workqueue: mld mld_ifc_work [ 111.407787][ T10] Call Trace: [ 111.407795][ T10] [ 111.407805][ T10] __dump_stack+0x21/0x30 [ 111.407836][ T10] dump_stack_lvl+0x140/0x1c0 [ 111.407864][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 111.407893][ T10] ? stack_trace_save+0xaa/0x100 [ 111.407916][ T10] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 111.407942][ T10] dump_stack+0x19/0x20 [ 111.407968][ T10] should_fail_ex+0x3c2/0x510 [ 111.407991][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 111.408016][ T10] should_failslab+0xac/0x100 [ 111.408041][ T10] kmem_cache_alloc_noprof+0x42/0x410 [ 111.408063][ T10] ? ret_from_fork+0x67/0xa0 [ 111.408092][ T10] ? ret_from_fork_asm+0x1a/0x30 [ 111.408111][ T10] ? dst_alloc+0x13c/0x240 [ 111.408133][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 111.408157][ T10] dst_alloc+0x13c/0x240 [ 111.408178][ T10] icmp6_dst_alloc+0xef/0x4f0 [ 111.408198][ T10] mld_sendpack+0x5ac/0xd10 [ 111.408222][ T10] ? add_grec+0x1400/0x1400 [ 111.408245][ T10] ? __kasan_check_read+0x15/0x20 [ 111.408266][ T10] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 111.408291][ T10] ? __cfi_kvfree_call_rcu+0x10/0x10 [ 111.408317][ T10] mld_ifc_work+0x7cc/0xc40 [ 111.408339][ T10] ? wake_up_process+0x14/0x20 [ 111.408360][ T10] process_scheduled_works+0x7f7/0x1060 [ 111.408386][ T10] worker_thread+0xc99/0x13f0 [ 111.408408][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 111.408431][ T10] ? __kasan_check_read+0x15/0x20 [ 111.408452][ T10] kthread+0x2c7/0x360 [ 111.408482][ T10] ? __cfi_worker_thread+0x10/0x10 [ 111.408503][ T10] ? __cfi_kthread+0x10/0x10 [ 111.408526][ T10] ret_from_fork+0x67/0xa0 [ 111.408554][ T10] ? __cfi_kthread+0x10/0x10 [ 111.408577][ T10] ret_from_fork_asm+0x1a/0x30 [ 111.408598][ T10] [ 111.408629][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 111.408654][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 111.408667][ T46] Workqueue: netns cleanup_net [ 111.408692][ T46] Call Trace: [ 111.408699][ T46] [ 111.408706][ T46] __dump_stack+0x21/0x30 [ 111.408733][ T46] dump_stack_lvl+0x140/0x1c0 [ 111.408761][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 111.408787][ T46] ? _raw_spin_lock_bh+0x96/0x130 [ 111.408810][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 111.408834][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 111.408861][ T46] ? timer_delete+0x101/0x3e0 [ 111.408885][ T46] dump_stack+0x19/0x20 [ 111.408911][ T46] should_fail_ex+0x3c2/0x510 [ 111.408934][ T46] should_failslab+0xac/0x100 [ 111.408959][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 111.408980][ T46] ? __alloc_skb+0x10c/0x360 [ 111.409008][ T46] __alloc_skb+0x10c/0x360 [ 111.409035][ T46] rtmsg_ifinfo_build_skb+0x7a/0x270 [ 111.409058][ T46] rtmsg_ifinfo+0x91/0x1a0 [ 111.409081][ T46] dev_close_many+0x27b/0x4f0 [ 111.409103][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 111.409125][ T46] ? __kasan_check_read+0x15/0x20 [ 111.409146][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 111.409178][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 111.409206][ T46] ? __kasan_check_read+0x15/0x20 [ 111.409227][ T46] ? __kasan_check_read+0x15/0x20 [ 111.409248][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 111.409276][ T46] default_device_exit_batch+0x845/0x8d0 [ 111.409307][ T46] ? mutex_lock+0x97/0x1d0 [ 111.409334][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 111.409360][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 111.409392][ T46] ? rtnl_unlock+0x12/0x20 [ 111.409409][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 111.409440][ T46] cleanup_net+0x744/0xc90 [ 111.409464][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 111.409497][ T46] ? kick_pool+0xb9/0x540 [ 111.409522][ T46] process_scheduled_works+0x7f7/0x1060 [ 111.409547][ T46] worker_thread+0xc99/0x13f0 [ 111.409570][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 111.409593][ T46] ? __kasan_check_read+0x15/0x20 [ 111.409614][ T46] kthread+0x2c7/0x360 [ 111.409636][ T46] ? __cfi_worker_thread+0x10/0x10 [ 111.409657][ T46] ? __cfi_kthread+0x10/0x10 [ 111.409680][ T46] ret_from_fork+0x67/0xa0 [ 111.409707][ T46] ? __cfi_kthread+0x10/0x10 [ 111.409729][ T46] ret_from_fork_asm+0x1a/0x30 [ 111.409750][ T46] [ 111.863196][ T46] FAULT_INJECTION: forcing a failure. [ 111.863196][ T46] name failslab, interval 1, probability 1, space 0, times 6 [ 111.875833][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 111.875866][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 111.875880][ T46] Workqueue: netns cleanup_net [ 111.875911][ T46] Call Trace: [ 111.875918][ T46] [ 111.875928][ T46] __dump_stack+0x21/0x30 [ 111.875958][ T46] dump_stack_lvl+0x140/0x1c0 [ 111.875985][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 111.876015][ T46] dump_stack+0x19/0x20 [ 111.876041][ T46] should_fail_ex+0x3c2/0x510 [ 111.876065][ T46] should_failslab+0xac/0x100 [ 111.876090][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 111.876113][ T46] ? __kasan_check_write+0x18/0x20 [ 111.876133][ T46] ? __alloc_skb+0x10c/0x360 [ 111.876159][ T46] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 111.876184][ T46] __alloc_skb+0x10c/0x360 [ 111.876211][ T46] inet6_rt_notify+0x351/0x520 [ 111.876234][ T46] ? __cfi_inet6_rt_notify+0x10/0x10 [ 111.876256][ T46] ? call_fib_notifiers+0xa4/0xc0 [ 111.876277][ T46] fib6_del+0xba0/0xf50 [ 111.876307][ T46] ? __cfi_fib6_del+0x10/0x10 [ 111.876334][ T46] ? fib6_ifdown+0x2f1/0x4f0 [ 111.876356][ T46] fib6_clean_node+0x2b9/0x560 [ 111.876384][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 111.876412][ T46] ? __kasan_check_write+0x18/0x20 [ 111.876433][ T46] ? _raw_spin_lock+0x92/0x120 [ 111.876455][ T46] ? __cfi__raw_spin_lock+0x10/0x10 [ 111.876503][ T46] fib6_walk_continue+0x51b/0x740 [ 111.876534][ T46] __fib6_clean_all+0x2a2/0x440 [ 111.876561][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 111.876581][ T46] ? fib6_clean_all+0x50/0x50 [ 111.876608][ T46] ? __cfi_fib6_clean_node+0x10/0x10 [ 111.876636][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 111.876658][ T46] ? __cfi_fib6_ifdown+0x10/0x10 [ 111.876678][ T46] fib6_clean_all+0x2e/0x50 [ 111.876704][ T46] rt6_disable_ip+0x124/0x810 [ 111.876726][ T46] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 111.876750][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 111.876773][ T46] ? __cfi_rt6_disable_ip+0x10/0x10 [ 111.876793][ T46] ? pneigh_queue_purge+0x570/0x5d0 [ 111.876821][ T46] ? __kasan_check_read+0x15/0x20 [ 111.876842][ T46] addrconf_ifdown+0x161/0x1970 [ 111.876864][ T46] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 111.876888][ T46] ? __try_to_del_timer_sync+0x2e8/0x440 [ 111.876914][ T46] ? addrconf_cleanup+0x150/0x150 [ 111.876934][ T46] ? __kasan_check_write+0x18/0x20 [ 111.876955][ T46] ? mutex_unlock+0x90/0x240 [ 111.876980][ T46] ? __cfi_mutex_unlock+0x10/0x10 [ 111.877008][ T46] ? __cfi_device_cmp+0x10/0x10 [ 111.877033][ T46] ? masq_device_event+0xe0/0xe0 [ 111.877059][ T46] addrconf_notify+0x17a/0xeb0 [ 111.877081][ T46] ? ip6mr_device_event+0x1ed/0x230 [ 111.877101][ T46] ? __cfi_addrconf_notify+0x10/0x10 [ 111.877124][ T46] notifier_call_chain+0x106/0x2b0 [ 111.877145][ T46] raw_notifier_call_chain+0x31/0x40 [ 111.877167][ T46] dev_close_many+0x332/0x4f0 [ 111.877188][ T46] ? __cfi_dev_close_many+0x10/0x10 [ 111.877210][ T46] ? __kasan_check_read+0x15/0x20 [ 111.877237][ T46] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 111.877267][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 111.877295][ T46] ? __kasan_check_read+0x15/0x20 [ 111.877316][ T46] ? __kasan_check_read+0x15/0x20 [ 111.877336][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 111.877364][ T46] default_device_exit_batch+0x845/0x8d0 [ 111.877395][ T46] ? mutex_lock+0x97/0x1d0 [ 111.877421][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 111.877448][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 111.877487][ T46] ? rtnl_unlock+0x12/0x20 [ 111.877504][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 111.877535][ T46] cleanup_net+0x744/0xc90 [ 111.877559][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 111.877584][ T46] ? kick_pool+0xb9/0x540 [ 111.877609][ T46] process_scheduled_works+0x7f7/0x1060 [ 111.877634][ T46] worker_thread+0xc99/0x13f0 [ 111.877656][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 111.877680][ T46] ? __kasan_check_read+0x15/0x20 [ 111.877701][ T46] kthread+0x2c7/0x360 [ 111.877724][ T46] ? __cfi_worker_thread+0x10/0x10 [ 111.877746][ T46] ? __cfi_kthread+0x10/0x10 [ 111.877769][ T46] ret_from_fork+0x67/0xa0 [ 111.877797][ T46] ? __cfi_kthread+0x10/0x10 [ 111.877820][ T46] ret_from_fork_asm+0x1a/0x30 [ 111.877842][ T46] [ 112.307741][ T46] FAULT_INJECTION: forcing a failure. [ 112.307741][ T46] name failslab, interval 1, probability 1, space 0, times 5 [ 112.320391][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 112.320424][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 112.320438][ T46] Workqueue: netns cleanup_net [ 112.320468][ T46] Call Trace: [ 112.320476][ T46] [ 112.320494][ T46] __dump_stack+0x21/0x30 [ 112.320526][ T46] dump_stack_lvl+0x140/0x1c0 [ 112.320553][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 112.320583][ T46] dump_stack+0x19/0x20 [ 112.320610][ T46] should_fail_ex+0x3c2/0x510 [ 112.320634][ T46] should_failslab+0xac/0x100 [ 112.320660][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 112.320683][ T46] ? __alloc_skb+0x10c/0x360 [ 112.320711][ T46] __alloc_skb+0x10c/0x360 [ 112.320737][ T46] inet_netconf_notify_devconf+0x16d/0x240 [ 112.320760][ T46] inetdev_event+0x964/0x1240 [ 112.320782][ T46] ? __cfi_inetdev_event+0x10/0x10 [ 112.320804][ T46] ? cfg802154_netdev_notifier_call+0xe5/0x930 [ 112.320828][ T46] ? arp_netdev_event+0xd8/0x2c0 [ 112.320856][ T46] ? __cfi_inetdev_event+0x10/0x10 [ 112.320878][ T46] notifier_call_chain+0x106/0x2b0 [ 112.320899][ T46] raw_notifier_call_chain+0x31/0x40 [ 112.320920][ T46] unregister_netdevice_many_notify+0xde1/0x1be0 [ 112.320952][ T46] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 112.320980][ T46] ? __kasan_check_read+0x15/0x20 [ 112.321000][ T46] ? unregister_netdevice_queue+0x18a/0x350 [ 112.321029][ T46] default_device_exit_batch+0x845/0x8d0 [ 112.321060][ T46] ? mutex_lock+0x97/0x1d0 [ 112.321087][ T46] ? __cfi_mutex_lock+0x10/0x10 [ 112.321114][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 112.321145][ T46] ? rtnl_unlock+0x12/0x20 [ 112.321163][ T46] ? __cfi_default_device_exit_batch+0x10/0x10 [ 112.321194][ T46] cleanup_net+0x744/0xc90 [ 112.321219][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 112.321244][ T46] ? kick_pool+0xb9/0x540 [ 112.321268][ T46] process_scheduled_works+0x7f7/0x1060 [ 112.321294][ T46] worker_thread+0xc99/0x13f0 [ 112.321316][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 112.321340][ T46] ? __kasan_check_read+0x15/0x20 [ 112.321361][ T46] kthread+0x2c7/0x360 [ 112.321384][ T46] ? __cfi_worker_thread+0x10/0x10 [ 112.321405][ T46] ? __cfi_kthread+0x10/0x10 [ 112.321428][ T46] ret_from_fork+0x67/0xa0 [ 112.321456][ T46] ? __cfi_kthread+0x10/0x10 [ 112.321479][ T46] ret_from_fork_asm+0x1a/0x30 [ 112.321508][ T46] [ 112.734607][ T46] FAULT_INJECTION: forcing a failure. [ 112.734607][ T46] name failslab, interval 1, probability 1, space 0, times 3 [ 112.748339][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 112.748377][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 112.748392][ T46] Workqueue: netns cleanup_net [ 112.748425][ T46] Call Trace: [ 112.748432][ T46] [ 112.748442][ T46] __dump_stack+0x21/0x30 [ 112.748472][ T46] dump_stack_lvl+0x140/0x1c0 [ 112.748500][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 112.748530][ T46] dump_stack+0x19/0x20 [ 112.748556][ T46] should_fail_ex+0x3c2/0x510 [ 112.748580][ T46] should_failslab+0xac/0x100 [ 112.748607][ T46] __kmalloc_node_noprof+0x69/0x500 [ 112.748628][ T46] ? __kvmalloc_node_noprof+0x128/0x300 [ 112.748660][ T46] __kvmalloc_node_noprof+0x128/0x300 [ 112.748690][ T46] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 112.748720][ T46] ? __kasan_check_write+0x18/0x20 [ 112.748740][ T46] ? static_key_dec_not_one+0x14e/0x1d0 [ 112.748769][ T46] __nf_hook_entries_try_shrink+0x35a/0x7a0 [ 112.748794][ T46] __nf_unregister_net_hook+0x413/0x620 [ 112.748816][ T46] nf_unregister_net_hooks+0xe6/0x150 [ 112.748838][ T46] ipt_unregister_table_pre_exit+0x80/0xb0 [ 112.748863][ T46] iptable_raw_net_pre_exit+0x20/0x30 [ 112.748888][ T46] cleanup_net+0x520/0xc90 [ 112.748912][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 112.748945][ T46] ? kick_pool+0xb9/0x540 [ 112.748970][ T46] process_scheduled_works+0x7f7/0x1060 [ 112.748996][ T46] worker_thread+0xc99/0x13f0 [ 112.749019][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 112.749042][ T46] ? __kasan_check_read+0x15/0x20 [ 112.749064][ T46] kthread+0x2c7/0x360 [ 112.749087][ T46] ? __cfi_worker_thread+0x10/0x10 [ 112.749108][ T46] ? __cfi_kthread+0x10/0x10 [ 112.749132][ T46] ret_from_fork+0x67/0xa0 [ 112.749160][ T46] ? __cfi_kthread+0x10/0x10 [ 112.749184][ T46] ret_from_fork_asm+0x1a/0x30 [ 112.749205][ T46] [ 112.749971][ T46] bridge_slave_1: left allmulticast mode [ 112.944734][ T46] bridge_slave_1: left promiscuous mode [ 112.950386][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.958116][ T46] bridge_slave_0: left allmulticast mode [ 112.963823][ T46] bridge_slave_0: left promiscuous mode [ 112.969477][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.977492][ T46] bridge_slave_1: left allmulticast mode [ 112.983182][ T46] bridge_slave_1: left promiscuous mode [ 112.988891][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.996650][ T46] bridge_slave_0: left allmulticast mode [ 113.002327][ T46] bridge_slave_0: left promiscuous mode [ 113.008044][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.016111][ T46] bridge_slave_1: left allmulticast mode [ 113.021869][ T46] bridge_slave_1: left promiscuous mode [ 113.027575][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.034889][ T46] FAULT_INJECTION: forcing a failure. [ 113.034889][ T46] name failslab, interval 1, probability 1, space 0, times 2 [ 113.047548][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 113.047581][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 113.047596][ T46] Workqueue: netns cleanup_net [ 113.047626][ T46] Call Trace: [ 113.047633][ T46] [ 113.047643][ T46] __dump_stack+0x21/0x30 [ 113.047673][ T46] dump_stack_lvl+0x140/0x1c0 [ 113.047701][ T46] ? __cfi_dump_stack_lvl+0x10/0x10 [ 113.047730][ T46] dump_stack+0x19/0x20 [ 113.047755][ T46] should_fail_ex+0x3c2/0x510 [ 113.047788][ T46] should_failslab+0xac/0x100 [ 113.047814][ T46] kmem_cache_alloc_node_noprof+0x45/0x420 [ 113.047837][ T46] ? __kasan_check_write+0x18/0x20 [ 113.047857][ T46] ? __alloc_skb+0x10c/0x360 [ 113.047884][ T46] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 113.047909][ T46] __alloc_skb+0x10c/0x360 [ 113.047936][ T46] fdb_notify+0x78/0x150 [ 113.047956][ T46] fdb_delete+0xb08/0xdc0 [ 113.047976][ T46] ? fdb_notify+0x150/0x150 [ 113.047996][ T46] fdb_delete_local+0x3e4/0x4a0 [ 113.048027][ T46] br_fdb_delete_by_port+0x26b/0x350 [ 113.048048][ T46] del_nbp+0x58a/0xd20 [ 113.048071][ T46] br_dev_delete+0x76/0x130 [ 113.048093][ T46] br_net_exit_batch_rtnl+0xff/0x1a0 [ 113.048122][ T46] ? __cfi_br_net_exit_batch_rtnl+0x10/0x10 [ 113.048151][ T46] cleanup_net+0x604/0xc90 [ 113.048175][ T46] ? __cfi_cleanup_net+0x10/0x10 [ 113.048200][ T46] ? kick_pool+0xb9/0x540 [ 113.048225][ T46] process_scheduled_works+0x7f7/0x1060 [ 113.048250][ T46] worker_thread+0xc99/0x13f0 [ 113.048272][ T46] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 113.048296][ T46] ? __kasan_check_read+0x15/0x20 [ 113.048317][ T46] kthread+0x2c7/0x360 [ 113.048340][ T46] ? __cfi_worker_thread+0x10/0x10 [ 113.048361][ T46] ? __cfi_kthread+0x10/0x10 [ 113.048384][ T46] ret_from_fork+0x67/0xa0 [ 113.048414][ T46] ? __cfi_kthread+0x10/0x10 [ 113.048437][ T46] ret_from_fork_asm+0x1a/0x30 [ 113.048459][ T46] [ 113.049444][ T46] bridge_slave_0: left allmulticast mode [ 113.251935][ T46] bridge_slave_0: left promiscuous mode [ 113.258114][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.500724][ T46] veth1_macvtap: left promiscuous mode [ 113.506773][ T46] veth0_vlan: left promiscuous mode [ 113.512309][ T46] veth1_macvtap: left promiscuous mode [ 113.518160][ T46] veth0_vlan: left promiscuous mode [ 113.523786][ T46] veth1_macvtap: left promiscuous mode [ 113.529392][ T46] veth0_vlan: left promiscuous mode