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🐞 Open [707] 🐞 Fixed [181] 🐞 Invalid [624] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | WARNING: refcount bug in cdev_get | C | done | 12 | 1143d | 1269d | 1/1 | fixed on 2020/01/19 15:05 | |
upstream | WARNING: refcount bug in cdev_get | C | done | 105 | 1125d | 1265d | 16/24 | fixed on 2020/02/18 14:31 |
input: syz1 as /devices/virtual/input/input1191 input: syz1 as /devices/virtual/input/input1192 refcount_t: increment on 0; use-after-free. ------------[ cut here ]------------ kobject: '(null)' (ffff888098f28968): calling ktype release WARNING: CPU: 1 PID: 12651 at lib/refcount.c:153 refcount_inc lib/refcount.c:153 [inline] WARNING: CPU: 1 PID: 12651 at lib/refcount.c:153 refcount_inc.cold+0x18/0x1f lib/refcount.c:151 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 12651 Comm: syz-executor938 Not tainted 4.14.146 #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+0x138/0x197 lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 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+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:refcount_inc lib/refcount.c:153 [inline] RIP: 0010:refcount_inc.cold+0x18/0x1f lib/refcount.c:151 RSP: 0018:ffff88808f92f980 EFLAGS: 00010286 RAX: 000000000000002b RBX: 1ffff11011f25f3d RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff866d10e0 RDI: ffffed1011f25f26 RBP: ffff88808f92f988 R08: 000000000000002b R09: ffff8880a1aca960 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888098f289a0 R13: 0000000000000000 R14: ffff888096237500 R15: ffff888093d2e488 kref_get include/linux/kref.h:47 [inline] kobject_get+0x5b/0x70 lib/kobject.c:596 cdev_get+0x54/0xa0 fs/char_dev.c:364 chrdev_open+0x9b/0x590 fs/char_dev.c:409 do_dentry_open+0x73b/0xeb0 fs/open.c:777 vfs_open+0x105/0x220 fs/open.c:891 do_last fs/namei.c:3425 [inline] path_openat+0x8bd/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_sys_open+0x2c5/0x430 fs/open.c:1084 SYSC_open fs/open.c:1102 [inline] SyS_open+0x2d/0x40 fs/open.c:1097 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x405831 RSP: 002b:00007f487cd9e960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405831 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f487cd9e970 RBP: 6666666666666667 R08: 000000000000000f R09: 00007f487cd9f700 R10: 00007f487cd9f9d0 R11: 0000000000000293 R12: 00000000006dbc3c R13: 000000000000001f R14: 0000000000000000 R15: 00000000317a7973 Kernel Offset: disabled Rebooting in 86400 seconds..
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-linux-4-14 | 2019/10/02 21:38 | linux-4.14.y | f6e27dbb1afa | 2e29b534 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/23 04:13 | linux-4.14.y | f6e27dbb1afa | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/16 10:11 | linux-4.14.y | 968722f5371a | 55c50e70 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/08/16 22:46 | linux-4.14.y | 45f092f9e9cb | 8fd428a1 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/11/25 01:30 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/01 10:34 | linux-4.14.y | ddef1e8e3f6e | a41ca8fa | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/30 03:01 | linux-4.14.y | ddef1e8e3f6e | 5ea87a66 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/26 12:30 | linux-4.14.y | b98aebd29824 | 25bb509e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/25 08:09 | linux-4.14.y | b98aebd29824 | d01bb02a | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/12 14:24 | linux-4.14.y | e132c8d7b58d | 426631dd | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/11 01:25 | linux-4.14.y | 42327896f194 | 1a3bad90 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/28 01:33 | linux-4.14.y | f6e27dbb1afa | d8074e0b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/27 04:40 | linux-4.14.y | f6e27dbb1afa | 2f1548bc | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/26 20:30 | linux-4.14.y | f6e27dbb1afa | 2f1548bc | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/24 18:46 | linux-4.14.y | f6e27dbb1afa | f8368f99 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/21 17:03 | linux-4.14.y | f6e27dbb1afa | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/09 22:41 | linux-4.14.y | 414510bc00a5 | a60cb4cd | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/02 05:52 | linux-4.14.y | 01fd1694b93c | db7c31ca | .config | console log | report | |||||
ci2-linux-4-14 | 2019/08/23 16:47 | linux-4.14.y | 45f092f9e9cb | 78ded196 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/08/19 05:16 | linux-4.14.y | 45f092f9e9cb | b8ceabfc | .config | console log | report | |||||
ci2-linux-4-14 | 2019/08/17 18:44 | linux-4.14.y | 45f092f9e9cb | 55bf8926 | .config | console log | report |