Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: stack-out-of-bounds Read in finish_writeback_work | 0 (1) | 2019/10/25 08:38 |
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Title | Replies (including bot) | Last reply |
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KASAN: stack-out-of-bounds Read in finish_writeback_work | 0 (1) | 2019/10/25 08:38 |
================================================================== BUG: KASAN: stack-out-of-bounds in finish_writeback_work.isra.0+0x11b/0x120 fs/fs-writeback.c:168 Read of size 8 at addr ffff88806f04f9c8 by task kworker/u4:2/33 CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted 5.4.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.constprop.0.cold+0xd4/0x30b mm/kasan/report.c:374 __kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506 kasan_report+0x12/0x20 mm/kasan/common.c:634 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:132 finish_writeback_work.isra.0+0x11b/0x120 fs/fs-writeback.c:168 wb_do_writeback fs/fs-writeback.c:2030 [inline] wb_workfn+0x34f/0x1220 fs/fs-writeback.c:2070 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the page: page:ffffea0001bc13c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0x1fffc0000000000() raw: 01fffc0000000000 0000000000000000 ffffffff01bc0101 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88806f04f880: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 ffff88806f04f900: f1 00 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 >ffff88806f04f980: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 ^ ffff88806f04fa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 ffff88806f04fa80: f1 f1 f1 00 f2 f2 f2 00 00 00 00 00 00 00 00 00 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/20 22:27 | bpf | 05679ca6feeb | 8c88c9c1 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/10/14 17:42 | net-old | 33902b4a4227 | 05ad7292 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/10/08 22:20 | net-old | 503c9addef61 | b1ebbfef | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/09/27 17:10 | bpf | 768fb61fcc13 | d8074e0b | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/09/26 15:09 | net-old | 99dcb8432af0 | 24d405a3 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/10/06 09:57 | bpf-next | a53ba15d8199 | f3f7d9c8 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/09/28 16:26 | net-next-old | b41dae061bbd | eb6b9855 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/09/28 13:43 | bpf-next | b41dae061bbd | eb6b9855 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/09/27 11:39 | net-next-old | b41dae061bbd | 2f1548bc | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/09/26 17:51 | net-next-old | b41dae061bbd | 24d405a3 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/09/26 14:22 | bpf-next | b41dae061bbd | 24d405a3 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/09/25 18:40 | net-next-old | b41dae061bbd | a3355dba | .config | console log | report | ci-upstream-net-kasan-gce |