Title | Replies (including bot) | Last reply |
---|---|---|
Reminder: 9 open syzbot bugs in sound subsystem | 1 (1) | 2019/06/24 05:07 |
KASAN: slab-out-of-bounds Read in linear_transfer (2) | 0 (1) | 2019/04/23 16:25 |
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Title | Replies (including bot) | Last reply |
---|---|---|
Reminder: 9 open syzbot bugs in sound subsystem | 1 (1) | 2019/06/24 05:07 |
KASAN: slab-out-of-bounds Read in linear_transfer (2) | 0 (1) | 2019/04/23 16:25 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | KASAN: slab-out-of-bounds Read in linear_transfer | C | done | 2 | 1845d | 1845d | 1/1 | fixed on 2020/01/03 21:54 | |
upstream | KASAN: slab-out-of-bounds Read in linear_transfer (3) sound | C | done | 5 | 1844d | 1845d | 15/28 | fixed on 2020/01/08 01:06 | |
upstream | KASAN: slab-out-of-bounds Read in linear_transfer sound | C | done | 7 | 2108d | 2108d | 0/28 | closed as dup on 2019/03/22 15:26 | |
linux-4.14 | KASAN: slab-out-of-bounds Read in linear_transfer | C | done | 4 | 1838d | 1845d | 1/1 | fixed on 2020/01/10 14:15 |
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1779cb06d4 R13: 00000000004c5a84 R14: 00000000004d9f20 R15: 0000000000000004 ================================================================== BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:359 [inline] BUG: KASAN: slab-out-of-bounds in do_convert sound/core/oss/linear.c:48 [inline] BUG: KASAN: slab-out-of-bounds in convert sound/core/oss/linear.c:81 [inline] BUG: KASAN: slab-out-of-bounds in linear_transfer sound/core/oss/linear.c:110 [inline] BUG: KASAN: slab-out-of-bounds in linear_transfer+0x6de/0x970 sound/core/oss/linear.c:88 Read of size 1 at addr ffff88809feae2c0 by task syz-executor.4/32294 CPU: 0 PID: 32294 Comm: syz-executor.4 Not tainted 5.1.0-rc4-next-20190412 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x123/0x190 mm/kasan/generic.c:191 memcpy+0x24/0x50 mm/kasan/common.c:132 memcpy include/linux/string.h:359 [inline] do_convert sound/core/oss/linear.c:48 [inline] convert sound/core/oss/linear.c:81 [inline] linear_transfer sound/core/oss/linear.c:110 [inline] linear_transfer+0x6de/0x970 sound/core/oss/linear.c:88 snd_pcm_plug_read_transfer+0x1a1/0x2f0 sound/core/oss/pcm_plugin.c:651 snd_pcm_oss_read2+0x1f0/0x3f0 sound/core/oss/pcm_oss.c:1475 snd_pcm_oss_read1 sound/core/oss/pcm_oss.c:1532 [inline] snd_pcm_oss_read+0x53a/0x6a0 sound/core/oss/pcm_oss.c:2752 __vfs_read+0x8d/0x110 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1779cafc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f1779cafc90 RCX: 0000000000458c29 RDX: 0000000000001000 RSI: 0000000020004180 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1779cb06d4 R13: 00000000004c5a84 R14: 00000000004d9f20 R15: 0000000000000004 Allocated by task 32294: save_stack+0x45/0xd0 mm/kasan/common.c:75 set_track mm/kasan/common.c:87 [inline] __kasan_kmalloc mm/kasan/common.c:497 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:470 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:511 __do_kmalloc_node mm/slab.c:3686 [inline] __kmalloc_node+0x4e/0x70 mm/slab.c:3693 kmalloc_node include/linux/slab.h:590 [inline] kvmalloc_node+0x68/0x100 mm/util.c:430 kvmalloc include/linux/mm.h:637 [inline] kvzalloc include/linux/mm.h:645 [inline] snd_pcm_plugin_alloc+0x585/0x770 sound/core/oss/pcm_plugin.c:70 snd_pcm_plug_alloc+0x148/0x330 sound/core/oss/pcm_plugin.c:129 snd_pcm_oss_change_params_locked+0x2110/0x3750 sound/core/oss/pcm_oss.c:1039 snd_pcm_oss_change_params+0x7b/0xd0 sound/core/oss/pcm_oss.c:1102 snd_pcm_oss_get_active_substream+0x136/0x190 sound/core/oss/pcm_oss.c:1119 snd_pcm_oss_get_rate sound/core/oss/pcm_oss.c:1769 [inline] snd_pcm_oss_set_rate sound/core/oss/pcm_oss.c:1761 [inline] snd_pcm_oss_ioctl+0x8f7/0x3430 sound/core/oss/pcm_oss.c:2608 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff88809feae0c0 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes to the right of 512-byte region [ffff88809feae0c0, ffff88809feae2c0) The buggy address belongs to the page: page:ffffea00027fab80 count:1 mapcount:0 mapping:ffff88812c3f0940 index:0x0 flags: 0x1fffc0000000200(slab) raw: 01fffc0000000200 ffffea00025e4188 ffffea00026f3588 ffff88812c3f0940 raw: 0000000000000000 ffff88809feae0c0 0000000100000006 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809feae180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88809feae200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88809feae280: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ^ ffff88809feae300: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff88809feae380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/04/14 17:00 | linux-next | bcb67f0fbce9 | 505ab413 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |