diff options
Diffstat (limited to 'executor/common_linux.h')
| -rw-r--r-- | executor/common_linux.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/executor/common_linux.h b/executor/common_linux.h index 6b96d8cea..85e19cf84 100644 --- a/executor/common_linux.h +++ b/executor/common_linux.h @@ -1935,6 +1935,8 @@ struct io_uring_params { #define IORING_OFF_SQ_RING 0 #define IORING_OFF_SQES 0x10000000ULL +#define IORING_SETUP_SQE128 (1U << 10) +#define IORING_SETUP_CQE32 (1U << 11) #include <sys/mman.h> #include <unistd.h> @@ -1950,7 +1952,9 @@ static long syz_io_uring_setup(volatile long a0, volatile long a1, volatile long struct io_uring_params* setup_params = (struct io_uring_params*)a1; void** ring_ptr_out = (void**)a2; void** sqes_ptr_out = (void**)a3; - + // Temporarily disable IORING_SETUP_CQE32 and IORING_SETUP_SQE128 that may change SIZEOF_IO_URING_CQE and SIZEOF_IO_URING_SQE. + // Tracking bug: https://github.com/google/syzkaller/issues/4531. + setup_params->flags &= ~(IORING_SETUP_CQE32 | IORING_SETUP_SQE128); uint32 fd_io_uring = syscall(__NR_io_uring_setup, entries, setup_params); // Compute the ring sizes |