| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/12 | android14-6.1 (ToT) | 354782156070 | C | [report] KASAN: null-ptr-deref Write in vfs_rmdir |
| 2024/04/12 | lts (merge base) | 883d1a956208 | C | Didn't crash |
| 2024/04/12 | upstream (ToT) | 586b5dfb51b9 | C | Didn't crash |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/12 | android14-6.1 (ToT) | 354782156070 | C | [report] KASAN: null-ptr-deref Write in vfs_rmdir |
| 2024/04/12 | lts (merge base) | 883d1a956208 | C | Didn't crash |
| 2024/04/12 | upstream (ToT) | 586b5dfb51b9 | C | Didn't crash |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| android-5-15 | KASAN: null-ptr-deref Write in vfs_rmdir origin:downstream | C | 5 | 15d | 39d | 0/2 | upstream: reported C repro on 2024/04/11 17:58 | ||
| android-54 | KASAN: null-ptr-deref Write in vfs_rmdir | C | 29 | 6d11h | 40d | 0/2 | upstream: reported C repro on 2024/04/11 05:33 | ||
| android-5-10 | KASAN: null-ptr-deref Write in vfs_rmdir | C | 140 | 12h06m | 40d | 0/2 | upstream: reported C repro on 2024/04/11 05:14 |
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350 R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0 </TASK> ---[ end trace 0000000000000000 ]--- ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:452 Write of size 4 at addr 0000000000000170 by task syz-executor891/296 CPU: 0 PID: 296 Comm: syz-executor891 Tainted: G W 6.1.75-syzkaller-00017-gca4095789fda #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 print_report+0xe1/0x4e0 mm/kasan/report.c:430 kasan_report+0x13c/0x170 mm/kasan/report.c:531 kasan_check_range+0x294/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:102 [inline] atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] ihold+0x20/0x60 fs/inode.c:452 d_delete_notify include/linux/fsnotify.h:281 [inline] vfs_rmdir+0x268/0x500 fs/namei.c:4211 incfs_kill_sb+0x113/0x230 fs/incfs/vfs.c:1962 deactivate_locked_super+0xad/0x110 fs/super.c:334 deactivate_super+0xbe/0xf0 fs/super.c:365 cleanup_mnt+0x485/0x510 fs/namespace.c:1186 __cleanup_mnt+0x19/0x20 fs/namespace.c:1193 task_work_run+0x24d/0x2e0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xbd5/0x2b80 kernel/exit.c:875 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025 __do_sys_exit_group kernel/exit.c:1036 [inline] __se_sys_exit_group kernel/exit.c:1034 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1034 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5330885909 Code: Unable to access opcode bytes at 0x7f53308858df. RSP: 002b:00007ffcad9b8f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5330885909 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350 R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0 </TASK> ================================================================== BUG: kernel NULL pointer dereference, address: 0000000000000170 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 296 Comm: syz-executor891 Tainted: G B W 6.1.75-syzkaller-00017-gca4095789fda #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline] RIP: 0010:ihold+0x25/0x60 fs/inode.c:452 Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 47 a9 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 b0 2a f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 74 4b a9 RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010246 RAX: ffff88811b89a800 RBX: 0000000000000001 RCX: ffff88811b89a880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000dc7ac0 R08: ffffffff814470c3 R09: fffffbfff0ee5efd R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102335af2b R13: ffff88811f931bb0 R14: 0000000000000000 R15: 1ffff11023f2637c FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010f3e1000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> d_delete_notify include/linux/fsnotify.h:281 [inline] vfs_rmdir+0x268/0x500 fs/namei.c:4211 incfs_kill_sb+0x113/0x230 fs/incfs/vfs.c:1962 deactivate_locked_super+0xad/0x110 fs/super.c:334 deactivate_super+0xbe/0xf0 fs/super.c:365 cleanup_mnt+0x485/0x510 fs/namespace.c:1186 __cleanup_mnt+0x19/0x20 fs/namespace.c:1193 task_work_run+0x24d/0x2e0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xbd5/0x2b80 kernel/exit.c:875 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025 __do_sys_exit_group kernel/exit.c:1036 [inline] __se_sys_exit_group kernel/exit.c:1034 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1034 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5330885909 Code: Unable to access opcode bytes at 0x7f53308858df. RSP: 002b:00007ffcad9b8f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5330885909 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350 R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0 </TASK> Modules linked in: CR2: 0000000000000170 ---[ end trace 0000000000000000 ]--- RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline] RIP: 0010:ihold+0x25/0x60 fs/inode.c:452 Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 47 a9 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 b0 2a f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 74 4b a9 RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010246 RAX: ffff88811b89a800 RBX: 0000000000000001 RCX: ffff88811b89a880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000dc7ac0 R08: ffffffff814470c3 R09: fffffbfff0ee5efd R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102335af2b R13: ffff88811f931bb0 R14: 0000000000000000 R15: 1ffff11023f2637c FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010f3e1000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 55 48 add %dl,0x48(%rbp) 7: 89 e5 mov %esp,%ebp 9: 41 56 push %r14 b: 53 push %rbx c: 49 89 fe mov %rdi,%r14 f: e8 f1 47 a9 ff call 0xffa94805 14: 49 8d be 70 01 00 00 lea 0x170(%r14),%rdi 1b: be 04 00 00 00 mov $0x4,%esi 20: e8 b0 2a f0 ff call 0xfff02ad5 25: bb 01 00 00 00 mov $0x1,%ebx * 2a: f0 41 0f c1 9e 70 01 lock xadd %ebx,0x170(%r14) <-- trapping instruction 31: 00 00 33: ff c3 inc %ebx 35: bf 02 00 00 00 mov $0x2,%edi 3a: 89 de mov %ebx,%esi 3c: e8 .byte 0xe8 3d: 74 4b je 0x8a 3f: a9 .byte 0xa9
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/04/12 00:47 | android14-6.1 | ca4095789fda | 95ed9ece | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | |
| 2024/04/11 10:32 | android14-6.1 | be55946e207c | 33b9e058 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | |
| 2024/04/11 09:34 | android14-6.1 | be55946e207c | 33b9e058 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | |
| 2024/05/15 08:28 | android14-6.1 | 039d2a958c13 | fdb4c10c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/05/12 04:55 | android14-6.1 | 4d55129aea65 | 9026e142 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/05/08 10:36 | android14-6.1 | d5e04556d434 | 4cf3f9b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/05/06 05:24 | android14-6.1 | 1794308d463f | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/05/06 05:24 | android14-6.1 | 1794308d463f | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/05/05 06:02 | android14-6.1 | 1794308d463f | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/29 15:17 | android14-6.1 | 08cc4037cf32 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/29 15:17 | android14-6.1 | 08cc4037cf32 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/28 09:13 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/28 05:37 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/28 05:36 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/28 05:36 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/28 05:36 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/27 11:39 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/27 06:36 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/27 06:34 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/27 06:34 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/27 06:34 | android14-6.1 | fa87a072a7fc | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:19 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:18 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:18 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:18 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:17 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:17 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:17 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:17 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 19:17 | android14-6.1 | d0c6724b0f6f | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 15:31 | android14-6.1 | d0c6724b0f6f | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/24 08:57 | android14-6.1 | d0c6724b0f6f | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/20 18:50 | android14-6.1 | dcb09569bbff | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/18 17:46 | android14-6.1 | 692e3553d2e9 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/18 17:46 | android14-6.1 | 692e3553d2e9 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/18 17:46 | android14-6.1 | 692e3553d2e9 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/17 19:22 | android14-6.1 | 141ebdcb283b | acc528cb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/17 09:26 | android14-6.1 | 089d1b8f6daf | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/17 07:29 | android14-6.1 | 089d1b8f6daf | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/15 03:49 | android14-6.1 | b76ed1185975 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/14 02:52 | android14-6.1 | cfa154389a65 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/13 21:05 | android14-6.1 | cfa154389a65 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/12 10:15 | android14-6.1 | 354782156070 | 27de0a5c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir | ||
| 2024/04/11 09:06 | android14-6.1 | be55946e207c | 33b9e058 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: null-ptr-deref Write in vfs_rmdir |