Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put bpf | C | unreliable | done | 41 | 1076d | 1093d | 0/28 | closed as dup on 2022/01/24 11:42 |
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Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put bpf | C | unreliable | done | 41 | 1076d | 1093d | 0/28 | closed as dup on 2022/01/24 11:42 |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put | 3 (6) | 2022/05/19 15:01 |
[PATCH 5.16 0000/1039] 5.16.3-rc1 review | 1058 (1058) | 2022/02/03 14:49 |
[PATCH 5.15 000/846] 5.15.17-rc1 review | 859 (859) | 2022/01/27 16:04 |
[PATCH bpf-next] bpf, sockmap: fix double bpf_prog_put on error case in map_link | 3 (3) | 2022/01/08 14:10 |
[syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_prog_put | 1 (3) | 2022/01/04 21:30 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/01/04 21:16 | 12m | john.fastabend@gmail.com | patch | bpf-next | OK |
================================================================== BUG: KASAN: vmalloc-out-of-bounds in __bpf_prog_put kernel/bpf/syscall.c:1812 [inline] BUG: KASAN: vmalloc-out-of-bounds in __bpf_prog_put kernel/bpf/syscall.c:1812 [inline] kernel/bpf/syscall.c:1829 BUG: KASAN: vmalloc-out-of-bounds in bpf_prog_put+0x8c/0x4f0 kernel/bpf/syscall.c:1829 kernel/bpf/syscall.c:1829 Read of size 8 at addr ffffc90000e76038 by task syz-executor020/3641 CPU: 1 PID: 3641 Comm: syz-executor020 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] __dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106 dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106 print_address_description+0x65/0x380 mm/kasan/report.c:247 mm/kasan/report.c:247 __kasan_report mm/kasan/report.c:433 [inline] __kasan_report mm/kasan/report.c:433 [inline] mm/kasan/report.c:450 kasan_report+0x19a/0x1f0 mm/kasan/report.c:450 mm/kasan/report.c:450 __bpf_prog_put kernel/bpf/syscall.c:1812 [inline] __bpf_prog_put kernel/bpf/syscall.c:1812 [inline] kernel/bpf/syscall.c:1829 bpf_prog_put+0x8c/0x4f0 kernel/bpf/syscall.c:1829 kernel/bpf/syscall.c:1829 bpf_prog_release+0x37/0x40 kernel/bpf/syscall.c:1837 kernel/bpf/syscall.c:1837 __fput+0x3fc/0x870 fs/file_table.c:280 fs/file_table.c:280 task_work_run+0x146/0x1c0 kernel/task_work.c:164 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] exit_task_work include/linux/task_work.h:32 [inline] kernel/exit.c:832 do_exit+0x705/0x24f0 kernel/exit.c:832 kernel/exit.c:832 do_group_exit+0x168/0x2d0 kernel/exit.c:929 kernel/exit.c:929 __do_sys_exit_group+0x13/0x20 kernel/exit.c:940 kernel/exit.c:940 __se_sys_exit_group+0x10/0x10 kernel/exit.c:938 kernel/exit.c:938 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:938 kernel/exit.c:938 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f3b90ccd1d9 Code: Unable to access opcode bytes at RIP 0x7f3b90ccd1af. RSP: 002b:00007ffdeec58318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f3b90d41330 RCX: 00007f3b90ccd1d9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffffffffffc4 R09: 00007ffdeec58390 R10: 00007ffdeec58390 R11: 0000000000000246 R12: 00007f3b90d41330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 </TASK> Memory state around the buggy address: ffffc90000e75f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000e75f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc90000e76000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc90000e76080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000e76100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/12/18 18:47 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | KASAN: vmalloc-out-of-bounds Read in bpf_prog_put | ||
2021/12/18 18:13 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | KASAN: vmalloc-out-of-bounds Read in bpf_prog_put |