| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|
| KASAN: slab-use-after-free Read in iov_iter_revert fuse | C | done | 325 | 5d19h | 233d | 0/28 | closed as dup on 2025/01/02 21:12 |
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| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|
| KASAN: slab-use-after-free Read in iov_iter_revert fuse | C | done | 325 | 5d19h | 233d | 0/28 | closed as dup on 2025/01/02 21:12 |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [PATCH v2] fuse: Set *nbytesp=0 in fuse_get_user_pages on allocation failure | 4 (4) | 2025/01/06 09:35 |
| [PATCH] fuse: Set *nbytesp=0 in fuse_get_user_pages on allocation failure | 3 (3) | 2024/12/02 23:04 |
| [PATCH] fuse: add a null-ptr check | 7 (7) | 2024/12/02 22:26 |
| [syzbot] [fuse?] KASAN: null-ptr-deref Read in fuse_copy_do | 0 (4) | 2024/12/02 21:01 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.14 | KASAN: use-after-free Read in fuse_copy_do | C | 1 | 804d | 908d | 0/1 | upstream: reported C repro on 2022/11/15 20:38 | ||
| linux-4.19 | KASAN: use-after-free Read in fuse_copy_do | C | error | 1 | 908d | 908d | 0/1 | upstream: reported C repro on 2022/11/15 07:48 |
================================================================== BUG: KASAN: null-ptr-deref in fuse_copy_do+0x183/0x320 fs/fuse/dev.c:809 Write of size 5 at addr 0000000000000000 by task syz-executor159/5840 CPU: 0 UID: 0 PID: 5840 Comm: syz-executor159 Not tainted 6.12.0-syzkaller-09734-g445d9f05fa14 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 kasan_report+0xd9/0x110 mm/kasan/report.c:602 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0xef/0x1a0 mm/kasan/generic.c:189 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106 fuse_copy_do+0x183/0x320 fs/fuse/dev.c:809 fuse_copy_one fs/fuse/dev.c:1065 [inline] fuse_copy_args+0x1e6/0x770 fs/fuse/dev.c:1083 copy_out_args fs/fuse/dev.c:1966 [inline] fuse_dev_do_write+0x1cc1/0x3720 fs/fuse/dev.c:2052 fuse_dev_write+0x14f/0x1e0 fs/fuse/dev.c:2087 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:679 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4c9df3c0f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 5e 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc 5e 02 00 48 RSP: 002b:00007fa4c9da71e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa4c9e7f3e8 RCX: 00007fa4c9df3c0f RDX: 0000000000000015 RSI: 0000000020000540 RDI: 0000000000000003 RBP: 00007fa4c9e7f3e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa4c9e4c33c R13: 00007fa4c9e44027 R14: 00007fff3bcf2380 R15: 00007fa4c9e4a338 </TASK> ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/11/27 15:19 | upstream | 445d9f05fa14 | 52b38cc1 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Write in fuse_copy_do | |
| 2024/12/04 23:39 | upstream | feffde684ac2 | b50eb251 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/11/30 01:04 | upstream | 509f806f7f70 | 68914665 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/11/28 12:33 | upstream | b86545e02e8c | 5df23865 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/11/27 10:21 | upstream | 445d9f05fa14 | 52b38cc1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2025/01/06 22:11 | upstream | 5428dc1906dd | f3558dbf | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2025/01/06 22:11 | upstream | 5428dc1906dd | f3558dbf | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/12/06 16:06 | upstream | b8f52214c61a | 9ac0fdc6 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/11/27 01:09 | upstream | 445d9f05fa14 | 52b38cc1 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | KASAN: null-ptr-deref Read in fuse_copy_do | ||
| 2024/11/27 14:24 | upstream | 445d9f05fa14 | 52b38cc1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | KASAN: null-ptr-deref Write in fuse_copy_do |