Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | WARNING: ODEBUG bug in exit_to_usermode_loop | syz | done | 2 | 1455d | 1457d | 1/1 | fixed on 2020/10/07 06:25 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | WARNING: ODEBUG bug in exit_to_usermode_loop | syz | done | 2 | 1455d | 1457d | 1/1 | fixed on 2020/10/07 06:25 |
ODEBUG: free active (active state 1) object type: rcu_head hint: (null) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16655 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 16655 Comm: syz-executor.0 Not tainted 4.14.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 RSP: 0018:ffff888082c4fd30 EFLAGS: 00010082 RAX: 0000000000000051 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86ac12c0 RDI: ffffed1010589f9c RBP: ffffffff86ab6440 R08: 0000000000000051 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88809ede86c0 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8880a73b0000 R15: ffff8880a8bfdce8 __debug_check_no_obj_freed lib/debugobjects.c:747 [inline] debug_check_no_obj_freed+0x3b7/0x674 lib/debugobjects.c:776 kmem_cache_free+0x156/0x2b0 mm/slab.c:3757 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007fbd051a5c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007fffb68c357f R14: 00007fbd051a69c0 R15: 000000000118cf4c ======================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/09/04 11:41 | linux-4.14.y | 2f166cdcf8a9 | abf9ba4f | .config | console log | report | syz | ci2-linux-4-14 | ||||
2020/09/02 11:22 | linux-4.14.y | d7e78d08fa77 | abf9ba4f | .config | console log | report | syz | ci2-linux-4-14 |