https://bugzilla.kernel.org/show_bug.cgi?id=219595 Bug ID: 219595 Summary: Warning at fs/inode.c:1277 Product: File System Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: 0599jiangyc@xxxxxxxxx Regression: No PoC: ``` // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include <endian.h> #include <errno.h> #include <fcntl.h> #include <setjmp.h> #include <stdarg.h> #include <stdbool.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/ioctl.h> #include <sys/mman.h> #include <sys/mount.h> #include <sys/stat.h> #include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> #include <linux/loop.h> #ifndef __NR_io_uring_setup #define __NR_io_uring_setup 425 #endif #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } #define SIZEOF_IO_URING_SQE 64 #define SIZEOF_IO_URING_CQE 16 #define SQ_HEAD_OFFSET 0 #define SQ_TAIL_OFFSET 64 #define SQ_RING_MASK_OFFSET 256 #define SQ_RING_ENTRIES_OFFSET 264 #define SQ_FLAGS_OFFSET 276 #define SQ_DROPPED_OFFSET 272 #define CQ_HEAD_OFFSET 128 #define CQ_TAIL_OFFSET 192 #define CQ_RING_MASK_OFFSET 260 #define CQ_RING_ENTRIES_OFFSET 268 #define CQ_RING_OVERFLOW_OFFSET 284 #define CQ_FLAGS_OFFSET 280 #define CQ_CQES_OFFSET 320 struct io_sqring_offsets { uint32_t head; uint32_t tail; uint32_t ring_mask; uint32_t ring_entries; uint32_t flags; uint32_t dropped; uint32_t array; uint32_t resv1; uint64_t resv2; }; struct io_cqring_offsets { uint32_t head; uint32_t tail; uint32_t ring_mask; uint32_t ring_entries; uint32_t overflow; uint32_t cqes; uint64_t resv[2]; }; struct io_uring_params { uint32_t sq_entries; uint32_t cq_entries; uint32_t flags; uint32_t sq_thread_cpu; uint32_t sq_thread_idle; uint32_t features; uint32_t resv[4]; struct io_sqring_offsets sq_off; struct io_cqring_offsets cq_off; }; #define IORING_OFF_SQ_RING 0 #define IORING_OFF_SQES 0x10000000ULL #define IORING_SETUP_SQE128 (1U << 10) #define IORING_SETUP_CQE32 (1U << 11) static long syz_io_uring_setup(volatile long a0, volatile long a1, volatile long a2, volatile long a3) { uint32_t entries = (uint32_t)a0; struct io_uring_params* setup_params = (struct io_uring_params*)a1; void** ring_ptr_out = (void**)a2; void** sqes_ptr_out = (void**)a3; setup_params->flags &= ~(IORING_SETUP_CQE32 | IORING_SETUP_SQE128); uint32_t fd_io_uring = syscall(__NR_io_uring_setup, entries, setup_params); uint32_t sq_ring_sz = setup_params->sq_off.array + setup_params->sq_entries * sizeof(uint32_t); uint32_t cq_ring_sz = setup_params->cq_off.cqes + setup_params->cq_entries * SIZEOF_IO_URING_CQE; uint32_t ring_sz = sq_ring_sz > cq_ring_sz ? sq_ring_sz : cq_ring_sz; *ring_ptr_out = mmap(0, ring_sz, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd_io_uring, IORING_OFF_SQ_RING); uint32_t sqes_sz = setup_params->sq_entries * SIZEOF_IO_URING_SQE; *sqes_ptr_out = mmap(0, sqes_sz, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd_io_uring, IORING_OFF_SQES); uint32_t* array = (uint32_t*)((uintptr_t)*ring_ptr_out + setup_params->sq_off.array); for (uint32_t index = 0; index < entries; index++) array[index] = index; return fd_io_uring; } //% This code is derived from puff.{c,h}, found in the zlib development. The //% original files come with the following copyright notice: //% Copyright (C) 2002-2013 Mark Adler, all rights reserved //% version 2.3, 21 Jan 2013 //% This software is provided 'as-is', without any express or implied //% warranty. In no event will the author be held liable for any damages //% arising from the use of this software. //% Permission is granted to anyone to use this software for any purpose, //% including commercial applications, and to alter it and redistribute it //% freely, subject to the following restrictions: //% 1. The origin of this software must not be misrepresented; you must not //% claim that you wrote the original software. If you use this software //% in a product, an acknowledgment in the product documentation would be //% appreciated but is not required. //% 2. Altered source versions must be plainly marked as such, and must not be //% misrepresented as being the original software. //% 3. This notice may not be removed or altered from any source distribution. //% Mark Adler madler@xxxxxxxxxxxxxxxxxx //% BEGIN CODE DERIVED FROM puff.{c,h} #define MAXBITS 15 #define MAXLCODES 286 #define MAXDCODES 30 #define MAXCODES (MAXLCODES + MAXDCODES) #define FIXLCODES 288 struct puff_state { unsigned char* out; unsigned long outlen; unsigned long outcnt; const unsigned char* in; unsigned long inlen; unsigned long incnt; int bitbuf; int bitcnt; jmp_buf env; }; static int puff_bits(struct puff_state* s, int need) { long val = s->bitbuf; while (s->bitcnt < need) { if (s->incnt == s->inlen) longjmp(s->env, 1); val |= (long)(s->in[s->incnt++]) << s->bitcnt; s->bitcnt += 8; } s->bitbuf = (int)(val >> need); s->bitcnt -= need; return (int)(val & ((1L << need) - 1)); } static int puff_stored(struct puff_state* s) { s->bitbuf = 0; s->bitcnt = 0; if (s->incnt + 4 > s->inlen) return 2; unsigned len = s->in[s->incnt++]; len |= s->in[s->incnt++] << 8; if (s->in[s->incnt++] != (~len & 0xff) || s->in[s->incnt++] != ((~len >> 8) & 0xff)) return -2; if (s->incnt + len > s->inlen) return 2; if (s->outcnt + len > s->outlen) return 1; for (; len--; s->outcnt++, s->incnt++) { if (s->in[s->incnt]) s->out[s->outcnt] = s->in[s->incnt]; } return 0; } struct puff_huffman { short* count; short* symbol; }; static int puff_decode(struct puff_state* s, const struct puff_huffman* h) { int first = 0; int index = 0; int bitbuf = s->bitbuf; int left = s->bitcnt; int code = first = index = 0; int len = 1; short* next = h->count + 1; while (1) { while (left--) { code |= bitbuf & 1; bitbuf >>= 1; int count = *next++; if (code - count < first) { s->bitbuf = bitbuf; s->bitcnt = (s->bitcnt - len) & 7; return h->symbol[index + (code - first)]; } index += count; first += count; first <<= 1; code <<= 1; len++; } left = (MAXBITS + 1) - len; if (left == 0) break; if (s->incnt == s->inlen) longjmp(s->env, 1); bitbuf = s->in[s->incnt++]; if (left > 8) left = 8; } return -10; } static int puff_construct(struct puff_huffman* h, const short* length, int n) { int len; for (len = 0; len <= MAXBITS; len++) h->count[len] = 0; int symbol; for (symbol = 0; symbol < n; symbol++) (h->count[length[symbol]])++; if (h->count[0] == n) return 0; int left = 1; for (len = 1; len <= MAXBITS; len++) { left <<= 1; left -= h->count[len]; if (left < 0) return left; } short offs[MAXBITS + 1]; offs[1] = 0; for (len = 1; len < MAXBITS; len++) offs[len + 1] = offs[len] + h->count[len]; for (symbol = 0; symbol < n; symbol++) if (length[symbol] != 0) h->symbol[offs[length[symbol]]++] = symbol; return left; } static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode, const struct puff_huffman* distcode) { static const short lens[29] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0}; static const short dists[30] = { 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577}; static const short dext[30] = {0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13}; int symbol; do { symbol = puff_decode(s, lencode); if (symbol < 0) return symbol; if (symbol < 256) { if (s->outcnt == s->outlen) return 1; if (symbol) s->out[s->outcnt] = symbol; s->outcnt++; } else if (symbol > 256) { symbol -= 257; if (symbol >= 29) return -10; int len = lens[symbol] + puff_bits(s, lext[symbol]); symbol = puff_decode(s, distcode); if (symbol < 0) return symbol; unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]); if (dist > s->outcnt) return -11; if (s->outcnt + len > s->outlen) return 1; while (len--) { if (dist <= s->outcnt && s->out[s->outcnt - dist]) s->out[s->outcnt] = s->out[s->outcnt - dist]; s->outcnt++; } } } while (symbol != 256); return 0; } static int puff_fixed(struct puff_state* s) { static int virgin = 1; static short lencnt[MAXBITS + 1], lensym[FIXLCODES]; static short distcnt[MAXBITS + 1], distsym[MAXDCODES]; static struct puff_huffman lencode, distcode; if (virgin) { lencode.count = lencnt; lencode.symbol = lensym; distcode.count = distcnt; distcode.symbol = distsym; short lengths[FIXLCODES]; int symbol; for (symbol = 0; symbol < 144; symbol++) lengths[symbol] = 8; for (; symbol < 256; symbol++) lengths[symbol] = 9; for (; symbol < 280; symbol++) lengths[symbol] = 7; for (; symbol < FIXLCODES; symbol++) lengths[symbol] = 8; puff_construct(&lencode, lengths, FIXLCODES); for (symbol = 0; symbol < MAXDCODES; symbol++) lengths[symbol] = 5; puff_construct(&distcode, lengths, MAXDCODES); virgin = 0; } return puff_codes(s, &lencode, &distcode); } static int puff_dynamic(struct puff_state* s) { static const short order[19] = {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; int nlen = puff_bits(s, 5) + 257; int ndist = puff_bits(s, 5) + 1; int ncode = puff_bits(s, 4) + 4; if (nlen > MAXLCODES || ndist > MAXDCODES) return -3; short lengths[MAXCODES]; int index; for (index = 0; index < ncode; index++) lengths[order[index]] = puff_bits(s, 3); for (; index < 19; index++) lengths[order[index]] = 0; short lencnt[MAXBITS + 1], lensym[MAXLCODES]; struct puff_huffman lencode = {lencnt, lensym}; int err = puff_construct(&lencode, lengths, 19); if (err != 0) return -4; index = 0; while (index < nlen + ndist) { int symbol; int len; symbol = puff_decode(s, &lencode); if (symbol < 0) return symbol; if (symbol < 16) lengths[index++] = symbol; else { len = 0; if (symbol == 16) { if (index == 0) return -5; len = lengths[index - 1]; symbol = 3 + puff_bits(s, 2); } else if (symbol == 17) symbol = 3 + puff_bits(s, 3); else symbol = 11 + puff_bits(s, 7); if (index + symbol > nlen + ndist) return -6; while (symbol--) lengths[index++] = len; } } if (lengths[256] == 0) return -9; err = puff_construct(&lencode, lengths, nlen); if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1])) return -7; short distcnt[MAXBITS + 1], distsym[MAXDCODES]; struct puff_huffman distcode = {distcnt, distsym}; err = puff_construct(&distcode, lengths + nlen, ndist); if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1])) return -8; return puff_codes(s, &lencode, &distcode); } static int puff(unsigned char* dest, unsigned long* destlen, const unsigned char* source, unsigned long sourcelen) { struct puff_state s = { .out = dest, .outlen = *destlen, .outcnt = 0, .in = source, .inlen = sourcelen, .incnt = 0, .bitbuf = 0, .bitcnt = 0, }; int err; if (setjmp(s.env) != 0) err = 2; else { int last; do { last = puff_bits(&s, 1); int type = puff_bits(&s, 2); err = type == 0 ? puff_stored(&s) : (type == 1 ? puff_fixed(&s) : (type == 2 ? puff_dynamic(&s) : -1)); if (err != 0) break; } while (!last); } *destlen = s.outcnt; return err; } //% END CODE DERIVED FROM puff.{c,h} #define ZLIB_HEADER_WIDTH 2 static int puff_zlib_to_file(const unsigned char* source, unsigned long sourcelen, int dest_fd) { if (sourcelen < ZLIB_HEADER_WIDTH) return 0; source += ZLIB_HEADER_WIDTH; sourcelen -= ZLIB_HEADER_WIDTH; const unsigned long max_destlen = 132 << 20; void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANON, -1, 0); if (ret == MAP_FAILED) return -1; unsigned char* dest = (unsigned char*)ret; unsigned long destlen = max_destlen; int err = puff(dest, &destlen, source, sourcelen); if (err) { munmap(dest, max_destlen); errno = -err; return -1; } if (write(dest_fd, dest, destlen) != (ssize_t)destlen) { munmap(dest, max_destlen); return -1; } return munmap(dest, max_destlen); } static int setup_loop_device(unsigned char* data, unsigned long size, const char* loopname, int* loopfd_p) { int err = 0, loopfd = -1; int memfd = syscall(__NR_memfd_create, "syzkaller", 0); if (memfd == -1) { err = errno; goto error; } if (puff_zlib_to_file(data, size, memfd)) { err = errno; goto error_close_memfd; } loopfd = open(loopname, O_RDWR); if (loopfd == -1) { err = errno; goto error_close_memfd; } if (ioctl(loopfd, LOOP_SET_FD, memfd)) { if (errno != EBUSY) { err = errno; goto error_close_loop; } ioctl(loopfd, LOOP_CLR_FD, 0); usleep(1000); if (ioctl(loopfd, LOOP_SET_FD, memfd)) { err = errno; goto error_close_loop; } } close(memfd); *loopfd_p = loopfd; return 0; error_close_loop: close(loopfd); error_close_memfd: close(memfd); error: errno = err; return -1; } static void reset_loop_device(const char* loopname) { int loopfd = open(loopname, O_RDWR); if (loopfd == -1) { return; } if (ioctl(loopfd, LOOP_CLR_FD, 0)) { } close(loopfd); } static long syz_mount_image(volatile long fsarg, volatile long dir, volatile long flags, volatile long optsarg, volatile long change_dir, volatile unsigned long size, volatile long image) { unsigned char* data = (unsigned char*)image; int res = -1, err = 0, need_loop_device = !!size; char* mount_opts = (char*)optsarg; char* target = (char*)dir; char* fs = (char*)fsarg; char* source = NULL; char loopname[64]; if (need_loop_device) { int loopfd; memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; close(loopfd); source = loopname; } mkdir(target, 0777); char opts[256]; memset(opts, 0, sizeof(opts)); if (strlen(mount_opts) > (sizeof(opts) - 32)) { } strncpy(opts, mount_opts, sizeof(opts) - 32); if (strcmp(fs, "iso9660") == 0) { flags |= MS_RDONLY; } else if (strncmp(fs, "ext", 3) == 0) { bool has_remount_ro = false; char* remount_ro_start = strstr(opts, "errors=remount-ro"); if (remount_ro_start != NULL) { char after = *(remount_ro_start + strlen("errors=remount-ro")); char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1); has_remount_ro = ((before == '\0' || before == ',') && (after == '\0' || after == ',')); } if (strstr(opts, "errors=panic") || !has_remount_ro) strcat(opts, ",errors=continue"); } else if (strcmp(fs, "xfs") == 0) { strcat(opts, ",nouuid"); } res = mount(source, target, fs, flags, opts); if (res == -1) { err = errno; goto error_clear_loop; } res = open(target, O_RDONLY | O_DIRECTORY); if (res == -1) { err = errno; goto error_clear_loop; } if (change_dir) { res = chdir(target); if (res == -1) { err = errno; } } error_clear_loop: if (need_loop_device) reset_loop_device(loopname); errno = err; return res; } static int inject_fault(int nth) { int fd; fd = open("/proc/thread-self/fail-nth", O_RDWR); if (fd == -1) exit(1); char buf[16]; sprintf(buf, "%d", nth); if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) exit(1); return fd; } static const char* setup_fault() { int fd = open("/proc/self/make-it-fail", O_WRONLY); if (fd == -1) return "CONFIG_FAULT_INJECTION is not enabled"; close(fd); fd = open("/proc/thread-self/fail-nth", O_WRONLY); if (fd == -1) return "kernel does not have systematic fault injection support"; close(fd); static struct { const char* file; const char* val; bool fatal; } files[] = { {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true}, {"/sys/kernel/debug/fail_futex/ignore-private", "N", false}, {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false}, {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false}, {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false}, }; unsigned i; for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) { if (!write_file(files[i].file, files[i].val)) { if (files[i].fatal) return "failed to write fault injection file"; } } return NULL; } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; if ((reason = setup_fault())) printf("the reproducer may not work as expected: fault injection setup " "failed: %s\n", reason); intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x20000080, "ext3\000", 5); memcpy((void*)0x20000480, "./file0\000", 8); memcpy((void*)0x20000140, "jqfmt=vfsold", 12); *(uint8_t*)0x2000014c = 0x2c; memcpy((void*)0x2000014d, "resgid", 6); *(uint8_t*)0x20000153 = 0x3d; sprintf((char*)0x20000154, "0x%016llx", (long long)0xee00); *(uint8_t*)0x20000166 = 0x2c; memcpy((void*)0x20000167, "bh", 2); *(uint8_t*)0x20000169 = 0x2c; memcpy((void*)0x2000016a, "noload", 6); *(uint8_t*)0x20000170 = 0x2c; memcpy((void*)0x20000171, "data_err=ignore", 15); *(uint8_t*)0x20000180 = 0x2c; memcpy((void*)0x20000181, "usrjquota=", 10); *(uint8_t*)0x2000018b = 0x2c; *(uint8_t*)0x2000018c = 0; memcpy( (void*)0x200004c0, "\x78\x9c\xec\xdc\xcb\x6f\x1b\x45\x18\x00\xf0\x6f\xed\x24\x7d\x93\x50\xca" "\xa3\xa5\x85\x40\x41\x44\x3c\x92\x26\x7d\xd0\x03\x17\x10\x48\x1c\x40\x42" "\x82\x43\x11\xa7\x90\xa4\x55\xa8\xdb\xa0\x26\x48\xb4\x8a\x20\x70\x08\x47" "\x54\x89\x3b\xe2\x88\xc4\x5f\xc0\x09\x2e\x08\x38\x21\x71\x85\x3b\xaa\x54" "\xa1\x5c\x5a\x38\x19\xad\xbd\x9b\xba\x89\x9d\xc6\x89\x53\x97\xec\xef\x27" "\x6d\x3b\xe3\x1d\x6b\xe6\xdb\xdd\xb1\x67\x67\xbc\x09\xa0\xb0\x06\xd3\x7f" "\x92\x88\xbd\x11\xf1\x47\x44\xf4\xd7\xb3\xb7\x17\x18\xac\xff\x77\x73\x69" "\x7e\xe2\x9f\xa5\xf9\x89\x24\xaa\xd5\xb7\xff\x4e\x6a\xe5\x6e\x2c\xcd\x4f" "\xe4\x45\xf3\xf7\xed\xa9\x67\xaa\xd5\x2c\xbf\xa3\x49\xbd\x8b\xef\x45\x8c" "\x57\x2a\x53\x97\xb2\xfc\xc8\xdc\x85\x0f\x47\x66\x2f\x5f\x79\x61\xfa\xc2" "\xf8\xb9\xa9\x73\x53\x17\xc7\x4e\x9f\x3e\x71\xfc\x48\xdf\xa9\xb1\x93\x1d" "\x89\x33\x8d\xeb\xc6\xa1\x4f\x66\x0e\x1f\x7c\xfd\xdd\xab\x6f\x4e\x9c\xb9" "\xfa\xfe\x2f\xdf\xa5\xed\xdd\x9b\xed\x6f\x8c\xa3\x53\x06\xeb\x47\xb7\xa9" "\xa7\x3b\x5d\x59\x97\xed\x6b\x48\x27\x3d\x5d\x6c\x08\x6d\x29\x47\x44\x7a" "\xba\x7a\x6b\xfd\xbf\x3f\xca\xb1\x6b\x79\x5f\x7f\xbc\xf6\x79\x57\x1b\x07" "\x6c\xa9\x6a\xb5\x5a\x6d\xf6\xfd\x9c\x59\xa8\x02\xdb\x58\x12\xdd\x6e\x01" "\xd0\x1d\xf9\x17\x7d\x7a\xff\x9b\x6f\x77\x69\xe8\x71\x4f\xb8\xfe\x72\xfd" "\x06\x28\x8d\xfb\x66\xb6\xd5\xf7\xf4\x44\x29\x2b\xd3\xbb\xe2\xfe\xb6\x93" "\x06\x23\xe2\xcc\xc2\xbf\x5f\xa7\x5b\x6c\xd1\x3c\x04\x00\x40\xa3\x1f\xd2" "\xf1\xcf\xf3\xcd\xc6\x7f\xa5\x78\xa8\xa1\xdc\x7d\xd9\x1a\xca\x40\x44\xdc" "\x1f\x11\xfb\x23\xe2\x81\x88\x38\x10\x11\x0f\x46\xd4\xca\x3e\x1c\x11\x8f" "\xb4\x59\xff\xca\x15\x92\xd5\xe3\x9f\xd2\xb5\x0d\x05\xb6\x4e\xe9\xf8\xef" "\xa5\x6c\x6d\xeb\xf6\xf1\x5f\x3e\xfa\x8b\x81\x72\x96\xdb\x57\x8b\xbf\x37" "\x39\x3b\x5d\x99\x3a\x96\x1d\x93\xa1\xe8\xdd\x91\xe6\x47\xd7\xa8\xe3\xc7" "\x57\x7f\xff\xb2\xd5\xbe\xc6\xf1\x5f\xba\xa5\xf5\xe7\x63\xc1\xac\x1d\xd7" "\x7a\x56\x4c\xd0\x4d\x8e\xcf\x8d\x6f\x26\xe6\x46\xd7\x3f\x8b\x38\xd4\xd3" "\x2c\xfe\x24\xf2\x65\x9c\x24\x22\x0e\x46\xc4\xa1\x0d\xd6\x31\xfd\xec\xb7" "\x87\x5b\xed\xbb\x73\xfc\x6b\xe8\xc0\x3a\x53\xf5\x9b\x88\x67\xea\xe7\x7f" "\x21\x56\xc4\x9f\x4b\x5a\xae\x4f\x8e\xbe\x78\x6a\xec\xe4\xc8\xce\xa8\x4c" "\x1d\x1b\xc9\xaf\x8a\xd5\x7e\xfd\x6d\xf1\xad\x56\xf5\x6f\x2a\xfe\x0e\x48" "\xcf\xff\xee\xa6\xd7\xff\x72\xfc\x03\xc9\xce\x88\xd9\xcb\x57\xce\xd7\xd6" "\x6b\x67\xdb\xaf\x63\xf1\xcf\x2f\x5a\xde\xd3\x6c\xf4\xfa\xef\x4b\xde\xa9" "\xa5\xfb\xb2\xd7\x3e\x1e\x9f\x9b\xbb\x34\x1a\xd1\x97\xbc\xb1\xfa\xf5\xb1" "\x5b\xef\xcd\xf3\x79\xf9\x34\xfe\xa1\xa3\xcd\xfb\xff\xfe\xb8\x75\x24\x1e" "\x8d\x88\xf4\x22\x3e\x12\x11\x8f\x45\xc4\xe3\x59\xdb\x9f\x88\x88\x27\x23" "\xe2\xe8\x1a\xf1\xff\xfc\xca\x53\x1f\xb4\x1f\xff\x1a\xb3\xf2\x1d\x94\xc6" "\x3f\x79\xa7\xf3\x1f\x8d\xe7\xbf\xfd\x44\xf9\xfc\x4f\xdf\xb7\x1f\x7f\x2e" "\x3d\xff\x27\x6a\xa9\xa1\xec\x95\xf5\x7c\xfe\xad\xb7\x81\x9b\x39\x76\x00" "\x00\x00\xf0\x7f\x51\xaa\xfd\x06\x3e\x29\x0d\x2f\xa7\x4b\xa5\xe1\xe1\xfa" "\x6f\xf8\x0f\xc4\xee\x52\x65\x66\x76\xee\xb9\xb3\x33\x1f\x5d\x9c\xac\xff" "\x56\x7e\x20\x7a\x4b\xf9\x4c\x57\x7f\xc3\x7c\xe8\x68\x36\x37\x9c\xe7\xc7" "\x56\xe4\x8f\x67\xf3\xc6\x5f\x95\x77\xd5\xf2\xc3\x13\x33\x95\xc9\x6e\x07" "\x0f\x05\xb7\xa7\x45\xff\x4f\xfd\x55\xee\x76\xeb\x80\x2d\xe7\x79\x2d\x28" "\x2e\xfd\x1f\x8a\x4b\xff\x87\xe2\xd2\xff\xa1\xb8\xf4\x7f\x28\xae\x66\xfd" "\xff\xd3\x2e\xb4\x03\xb8\xfb\x7c\xff\x43\x71\xe9\xff\x50\x5c\xfa\x3f\x14" "\x97\xfe\x0f\x85\xd4\xf2\xd9\xf8\xd2\xa6\x1e\xf9\x97\xd8\xf6\x89\x28\xdd" "\x13\xcd\xd8\xfe\x89\x9e\x75\xff\x31\x8b\x0d\x26\x76\x34\xdd\xd5\xed\x4f" "\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xce\xf8\x2f\x00\x00" "\xff\xff\x70\x88\xe4\x87", 1086); syz_mount_image( /*fs=*/0x20000080, /*dir=*/0x20000480, /*flags=MS_I_VERSION|MS_SLAVE|MS_PRIVATE|MS_POSIXACL|MS_RELATIME|MS_NOSUID|0xc0400004*/ 0xc0ed0006, /*opts=*/0x20000140, /*chdir=*/0xfe, /*size=*/0x43e, /*img=*/0x200004c0); memcpy((void*)0x20000340, "./bus\000", 6); res = syscall(__NR_creat, /*file=*/0x20000340ul, /*mode=*/0ul); if (res != -1) r[0] = res; memcpy((void*)0x20001280, "/dev/loop", 9); *(uint8_t*)0x20001289 = 0x30; *(uint8_t*)0x2000128a = 0; memcpy((void*)0x20000000, "./bus\000", 6); syscall(__NR_mount, /*src=*/0x20001280ul, /*dst=*/0x20000000ul, /*type=*/0ul, /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul); memcpy((void*)0x20000080, "./bus\000", 6); res = syscall(__NR_open, /*file=*/0x20000080ul, /*flags=O_SYNC|O_NOCTTY|O_DIRECT|O_CLOEXEC|O_RDWR*/ 0x185102ul, /*mode=*/0ul); if (res != -1) r[1] = res; syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul, /*prot=PROT_WRITE*/ 2ul, /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul, /*fd=*/r[1], /*offset=*/0ul); *(uint64_t*)0x20000900 = 0x200001c0; *(uint64_t*)0x200001c0 = 0; *(uint32_t*)0x200001c8 = 0; *(uint32_t*)0x200001cc = 0; *(uint16_t*)0x200001d0 = 0; *(uint16_t*)0x200001d2 = 0; *(uint32_t*)0x200001d4 = -1; *(uint64_t*)0x200001d8 = 0x200012c0; memcpy( (void*)0x200012c0, "\xe4\xe3\x1b\x1b\x51\x29\xdd\xae\x0b\xef\x73\xd1\x99\x36\x95\xf3\x21\xc5" "\x8e\x75\x7c\x45\xec\x11\xef\x95\x1b\xc6\x24\x06\xc2\xe9\xc9\x2d\xac\x5a" "\x3d\xb3\x3e\xf0\x16\x3b\xcd\x24\xf2\x92\xe3\xee\xaa\x51\x68\xa2\x54\x3f" "\x08\x68\x01\x91\x4b\xc0\xc6\x8e\x74\x87\xb0\xa5\x25\xd0\x3b\x25\xbf\xeb" "\xdd\x6d\xf5\x1c\xc0\x14\x7f\x2a\xb0\xcf\x6b\xfa\x4c\x41\x06\x53\x49\x10" "\xa0\xce\x0d\xaa\x53\xfb\xc1\x94\xe4\xc2\xc9\x8e\xe1\x13\xdf\x84\x99\x95" "\x3d\x53\xd8\x47\x42\x5c\x06\x4e\xe2\x7c\xb0\xb9\xb6\xa3\x5c\x92\x4b\xae" "\x75\x37\x3c\xd2\xed\xb6\x3c\x1f\x41\xcd\x1e\x19\x34\x0f\xab\x19\xe0\xeb" "\xb8\x8a\x0a\x0a\xc6\x4c\x28\x54\xd0\xff\xf4\xd6\x77\xb8\x6e\x5b\x0a\x38" "\x26\x8c\x41\x87\x7c\xc7\xef\x25\xcc\x31\x98\x98\xef\x10\x6c\x12\x54\xdd" "\x34\xda\x07\x7a\x58\xd4\xab\x71\x75\xf8\x53\xb5\x4c\xee\xfe\x42\xe4\x07" "\xa5\xe4\x9a\xe9\x2c\x29\x43\xa3\xb0\x30\x97\xa8\xbc\x26\x0c\x5a\x6a\x8c" "\x86\xc6\xe3\xc6\x89\xbb\xe0\xe0\x9a\x4e\x6a\x70\x59\x70\xb9\xba\x03\x55" "\x83\x64\xf8\x4e\xad\x50\x8e\x90\xf1\xc8\x2d\xd4\x39\x53\xb9\xf7\xb8\x65" "\x79\x60\xf6\xc5\xb0\x6f\x3b\xd1\xaf\xe5\x3f\xb5\xa1\x28\xe1\x13\x9a\x09" "\xee\x78\xb1\x0b\x6d\x60\x0d\xdf\x1e\xd4\x64\x33\x06\x88\xc7\x63\xf4\x4b" "\x30\xce\x90\x38\x5e\x6f\x56\x35\xcf\x28\x01\x3b\x67\x23\xa4\x0d\xf8\x4d" "\xd8\x4e\x13\xa0\x50\x0f\x72\x50\x5a\xc0\x2c\x19\x2f\x26\x7d\xd7\x4a\x4a" "\x63\x40\x6a\xbc\x3c\x0b\x0f\xe6\x1c\x32\xee\xc0\x41\x02\xcb\x3b\x2c\xd9" "\x51\x45\xa1\xc1\xd7\x7a\x99\x3d\x48\xd5\xb8\x71\x57\x8f\x72\x78\xb3\xaf" "\x42\x72\xc1\x5c\x55\x01\x4d\x99\xd5\xb2\xf4\x73\xb9\xb5\x1b\xc8\x9c\xb9" "\xd2\x9b\xea\x24\x2e\xda\xb0\x80\x84\x9a\x95\xed\xdf\x81\x4d\xba\x1c\xc6" "\x3f\x1e\xd2\xd9\x5d\x52\xb8\x8c\x65\x2d\xf5\xaa\xfd\x2e\x6d\x52\xe3\x34" "\x63\x2f\xdd\xd5\x0d\xa4\x1f\x76\x66\xff\xed\xde\x3b\xd3\x5d\x41\x5d\x08" "\xd3\xd5\xd3\x0e\x16\x04\xd7\xf6\x65\xac\x5f\x6d\x34\x76\x20\xa8\xe1\xae" "\xe1\x66\x24\x90\x50\xa0\x91\x2f\x93\x28\x38\xa1\x6a\x42\x54\x9b\x98\x27" "\xf4\xa5\x68\xeb\x26\x47\x16\xe0\x94\x55\xde\x73\x1c\x04\x77\xe7\x17\x1c" "\xe2\xb5\x83\x5d\x9b\x82\x70\x57\x82\x07\x17\xb1\x97\x04\x66\x2e\xad\x7a" "\x1a\xc1\x16\xef\x1d\xe5\x99\x18\x5b\x92\x49\xdf\x5b\x59\x01\x12\xdd\x4b" "\xfd\xd1\xaa\xe5\x0f\x4e\x6e\x2e\x5d\x7d\x6a\x68\x79\x47\x40\xc3\x19\xfb" "\xe9\x27\x6f\x73\x42\xf6\xca\xa4\xf4\xdf\x05\x5a\xf8\xc9\x22\x9e\x76\xef" "\x68\xe1\x2c\x9e\x24\xf7\x87\xcb\x1a\x05\xfc\x1b\xd7\x2c\xc6\xcb\x8f\x44" "\x6f\xdd\x9b\x2e\x0b\x5c\x02\x09\x04\x7c\x1d\xdb\x2e\x28\x15\x42\xb4\x60" "\x52\xd9\xce\xe9\x7b\xbf\x9f\x0e\x08\x4f\x14\x20\x90\xd3\xa3\x5c\x1e\x1c" "\x65\x0a\x87\x5d\x35\x15\x92\x70\xb0\x2e\x30\x6a\x9b\x47\xe6\xd3\xd4\x5e" "\x8a\xa2\x45\x5e\x38\xe6\x62\x17\xea\x16\xc6\x81\x0d\x32\x26\xf8\xa5\x31" "\x03\x69\xdd\xc4\x2e\xcd\x13\xd8\x2c\x18\x23\xd9\xd9\x9e\x55\xe1\x12\x99" "\x7b\xe2\x55\xb3\xa6\x82\x7f\x83\x23\xf4\xb1\x25\x19\xd2\x17\xf3\x4b\x2e" "\x67\x62\x5f\x13\xff\x48\xd0\x5a\xe6\x25\xc9\xb0\x0f\x8e\xac\x49\x7d\xb0" "\x3c\x1e\x9d\xb8\x98\x9c\x9d\xf8\x17\xb7\x7a\xfe\x41\x9c\xc0\x0d\xbd\x63" "\x04\xe8\xfc\xc4\xe2\xd5\x49\x06\x43\xee\xc2\xde\xd7\xad\xd8\xa7\x14\x42" "\x52\xd5\x46\x35\x72\x87\x04\x5b\x56\xc2\xfa\x74\x41\x96\xfe\x27\x0e\x3e" "\x34\x3f\x70\xb3\xb4\x78\x33\x12\x3b\xdf\xb3\x8c\x3f\x3d\x3e\xd9\x8c\xe2" "\xf5\x9d\xa0\xe7\xf2\xae\x88\x0d\xf6\x05\x2a\xaf\x6f\x7d\xba\x63\xd3\x5a" "\xe6\x89\xbc\x72\xc9\xfe\x9a\x5c\x3d\x6d\x70\x42\x84\x10\x4d\x13\x30\x6c" "\xed\x5d\x9f\x99\x58\x06\x1c\xfe\x1d\xd7\xff\x5f\x6b\x8b\x20\xdb\x90\xab" "\x59\x56\xcf\x02\x2f\x97\x0e\x7d\x68\x40\x85\x1e\x5b\x7f\x7f\xd0\x7b\x73" "\x1b\x1e\xd4\x61\xa5\xc9\x03\x44\xaf\xbb\x00\xbc\xe1\x96\x3c\x24\xee\xc6" "\xb2\xf0\x32\x02\xbf\x0e\x9f\x1c\xe8\x81\x21\xa2\x58\x02\x99\x42\xde\x11" "\xbc\x2c\xfb\x84\xde\xeb\x90\x3b\x9d\x5a\xd4\xa5\x7a\x61\x38\x2c\x7f\x44" "\x42\x2b\x94\x59\xcb\x46\x99\xa0\x09\x07\x24\xe3\x64\x9f\xcf\x20\xd2\x76" "\x08\x17\x82\x5e\x2a\x0a\xde\x5d\xf3\x90\xaf\x76\x63\x86\x19\x44\x5a\x91" "\xed\x21\x80\x98\x15\x43\x74\xe7\x85\x4a\xbf\x50\xcd\x03\x6a\xba\x93\xee" "\x6d\xe5\x6c\xaf\x38\x17\x84\x56\xd7\x43\xd2\x9a\xd5\x0c\x22\xd1\xea\x01" "\x4b\xca\x4a\x12\xd1\x92\x2b\x51\x52\xb8\xc0\xb4\x70\x4d\x9a\x2c\xc1\xee" "\xe8\x6e\xe4\x89\x83\x92\xb2\xc1\x56\x97\xc1\x5f\xb5\x01\xfd\xaa\x87\x36" "\xfa\xcd\xce\xb7\x02\x3c\xdf\x70\xb5\x72\xad\x39\xf7\x5d\xa4\x1e\x6c\x0b" "\xcc\x2d\xb5\x9a\x3e\x5e\x92\xf0\x4b\x90\x54\x98\xe7\x86\x61\x12\x4c\x54" "\xde\x63\xd9\x5b\x4a\xff\x54\x27\x24\xa9\xb5\xd7\xb3\x0c\x16\x94\x0d\x0b" "\x03\x64\x8a\x7a\xb1\xf4\x14\x34\x40\xee\xf8\xd5\x94\x64\xe8\xed\xfb\x74" "\x5b\x47\x4d\x82\xb2\x7d\x0c\x75\x0b\x93\xe6\x34\xf3\xe1\x14\xef\xe8\xbb" "\x5d\x01\x03\xdb\x5e\xe7\xb4\xc7\x9c\x74\xac\x16\xbb\xa0\xdf\x71\x6e\x9d" "\xb5\x14\x8c\x77\xb0\x1e\x41\x01\x22\x04\x56\x8d\x07\xfe\x8e\x8c\x7c\x4c" "\x73\x5c\xf5\x0f\x6e\x9c\x6a\x38\x55\xdf\xe0\x02\x7d\x0a\xca\xc8\x75\xdb" "\x38\xa8\xb6\xb1\x0b\x00\xde\xd7\xb4\xb2\xd9\x13\x49\x3c\x86\xa7\xff\x5c" "\x24\x07\x0f\x5d\x30\x90\x75\xa3\x73\x5f\x6c\x99\x4b\x94\xc1\x00\xcd\xdb" "\x7c\xd5\x80\x0c\x93\x9f\x39\x58\x32\xf4\x9f\xa8\xf1\x02\x50\x32\x70\x95" "\x04\xfa\x9f\xf5\x71\x94\xb8\xa5\x17\x18\x43\xa4\x67\x24\x5b\x54\x60\x9f" "\xd0\x26\x5f\x1e\x13\x9d\x1a\xd3\x5e\x6b\x2a\xac\xa2\x5c\x3d\x1a\x6a\x5b" "\xb8\x4d\x19\x36\xe1\x10\x93\xde\xc4\x51\x4a\xf7\xea\xc3\x1e\x4e\x12\xc8" "\xf9\xd4\xc7\x14\x87\x08\x62\x5d\x30\x07\xa3\x68\x30\x3c\x42\x0a\xb4\xa3" "\x2c\x06\xba\x1e\xc1\x80\xdd\x1c\x0e\xf7\x64\x01\xa1\x14\x9b\x56\x71\xa3" "\x66\x3d\x66\xb3\x52\x7f\x4a\x4e\xec\x3e\x39\xc8\x40\x90\xb7\x85\x3e\xfa" "\xaf\xea\x4c\xf5\x1b\x54\x59\x8b\x9c\x15\x34\xe2\x0d\xba\xc0\xb0\xd1\xf9" "\x6a\x57\x11\x47\x53\x4c\x58\x89\xa2\xed\xdc\x54\x30\x4a", 1346); *(uint64_t*)0x200001e0 = 0x542; *(uint64_t*)0x200001e8 = 0; *(uint64_t*)0x200001f0 = 0; *(uint32_t*)0x200001f8 = 0; *(uint32_t*)0x200001fc = -1; syscall(__NR_io_submit, /*ctx=*/0ul, /*nr=*/1ul, /*iocbpp=*/0x20000900ul); syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x6611, /*arg=*/0ul); *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint32_t*)0x20000010 = 0; *(uint32_t*)0x20000018 = -1; memset((void*)0x2000001c, 0, 12); syz_io_uring_setup(/*entries=*/0x6928, /*params=*/0x20000000, /*ring_ptr=*/0x20ff0000, /*sqes_ptr=*/0x20ffb000); *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint32_t*)0x20000010 = 0; *(uint32_t*)0x20000018 = -1; memset((void*)0x2000001c, 0, 12); inject_fault(34); syz_io_uring_setup(/*entries=*/0x2e, /*params=*/0x20000000, /*ring_ptr=*/0x20ff8000, /*sqes_ptr=*/0x20ff7000); return 0; } ``` [ 133.784678] loop0: detected capacity change from 0 to 512 [ 133.787379] EXT4-fs: Ignoring removed bh option [ 133.787605] EXT4-fs (loop0): mounting ext3 file system using the ext4 subsystem [ 133.788280] EXT4-fs (loop0): 1 truncate cleaned up [ 133.788502] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 133.789171] ------------[ cut here ]------------ [ 133.789313] WARNING: CPU: 1 PID: 317 at fs/inode.c:1277 lock_two_nondirectories+0xb8/0xe0 [ 133.789552] Modules linked in: [ 133.789646] CPU: 1 UID: 0 PID: 317 Comm: fused402987 Not tainted 6.13.0-rc2-00448-g8a3a22f4bd79 #2 [ 133.789899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 [ 133.790163] RIP: 0010:lock_two_nondirectories+0xb8/0xe0 [ 133.790315] Code: cc cc cc 48 85 ed 74 13 48 89 d8 48 89 eb 48 89 c5 eb d3 48 85 ed 74 e4 48 89 eb 48 8d bb 98 00 00 00 5b 5d e9 e9 5f 83 02 90 <0f> 0b 90 eb b2 90 0f 0b 90 48 85 db 0f 85 7b ff ff ff eb da e8 df [ 133.790835] RSP: 0018:ffff888113a5fc28 EFLAGS: 00010246 [ 133.790991] RAX: 0000000000004000 RBX: ffff888119f12d50 RCX: 1ffff110233e25bc [ 133.791195] RDX: 1ffff110233e25aa RSI: ffff888119f12d50 RDI: ffff888119f12868 [ 133.791398] RBP: ffff888119f12868 R08: 00000000ffffffff R09: ffffffffadb93a20 [ 133.791600] R10: 0000000000000000 R11: ffff8881107bb000 R12: ffff88811265c200 [ 133.791801] R13: 1ffff1102274bf94 R14: ffff888119f12868 R15: ffff88810fa47de0 [ 133.792011] FS: 000000002161d880(0000) GS:ffff8881f7280000(0000) knlGS:0000000000000000 [ 133.792237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.792409] CR2: 0000000000000000 CR3: 0000000102380000 CR4: 00000000000006f0 [ 133.792621] Call Trace: [ 133.792697] <TASK> [ 133.792765] ? __warn+0xcc/0x260 [ 133.792867] ? lock_two_nondirectories+0xb8/0xe0 [ 133.793032] ? report_bug+0x30e/0x370 [ 133.793141] ? handle_bug+0x54/0xa0 [ 133.793242] ? exc_invalid_op+0x18/0x50 [ 133.793353] ? asm_exc_invalid_op+0x1a/0x20 [ 133.793483] ? lock_two_nondirectories+0xb8/0xe0 [ 133.793624] __ext4_ioctl+0x10db/0x3c90 [ 133.793743] ? search_extable+0x75/0xa0 [ 133.793861] ? __pfx_search_extable+0x10/0x10 [ 133.794020] ? __pfx___ext4_ioctl+0x10/0x10 [ 133.794149] ? fixup_exception+0x721/0x970 [ 133.794275] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 133.794405] ? kernelmode_fixup_or_oops.isra.0+0x4e/0x90 [ 133.794567] ? exc_page_fault+0x5e/0xc0 [ 133.794687] ? ioctl_has_perm.constprop.0+0x2c6/0x490 [ 133.794840] ? __pfx_ioctl_has_perm.constprop.0+0x10/0x10 [ 133.795028] ? __get_user_nocheck_8+0x20/0x20 [ 133.795162] ? lookup_ioctx+0x40/0x260 [ 133.795278] ? __pfx___x64_sys_io_submit+0x10/0x10 [ 133.795425] ? __x64_sys_ioctl+0x131/0x190 [ 133.795550] ? __pfx_ext4_ioctl+0x10/0x10 [ 133.795673] __x64_sys_ioctl+0x131/0x190 [ 133.795812] do_syscall_64+0xaa/0x1b0 [ 133.795953] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 133.796115] RIP: 0033:0x45846d [ 133.796218] Code: c3 e8 57 2c 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 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 c0 ff ff ff f7 d8 64 89 01 48 [ 133.796765] RSP: 002b:00007fff55439b58 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 133.797014] RAX: ffffffffffffffda RBX: 0000000000400530 RCX: 000000000045846d [ 133.797229] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004 [ 133.797432] RBP: 00007fff55439b70 R08: 000000000049c0a0 R09: 000000000049c0a0 [ 133.797637] R10: 00000000200012f0 R11: 0000000000000286 R12: 0000000000404e80 [ 133.797840] R13: 0000000000000000 R14: 00000000004c8018 R15: 0000000000000000 [ 133.798066] </TASK> [ 133.798133] ---[ end trace 0000000000000000 ]--- -- You may reply to this email to add a comment. 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