syzbot |
sign-in | mailing list | source | docs |
🐞 Open [984] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12475] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
===================================== WARNING: bad unlock balance detected! 4.15.0-rc3+ #218 Not tainted ------------------------------------- syzkaller032169/3204 is trying to release lock (mrt_lock) at: [<000000007aaa1de6>] ipmr_mfc_seq_stop+0xe1/0x130 net/ipv6/ip6mr.c:553 but there are no more locks to release! other info that might help us debug this: 1 lock held by syzkaller032169/3204: #0: (&p->lock){+.+.}, at: [<000000009b865024>] seq_read+0xd5/0x13d0 fs/seq_file.c:165 stack backtrace: CPU: 0 PID: 3204 Comm: syzkaller032169 Not tainted 4.15.0-rc3+ #218 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+0x194/0x257 lib/dump_stack.c:53 print_unlock_imbalance_bug+0x12f/0x140 kernel/locking/lockdep.c:3561 __lock_release kernel/locking/lockdep.c:3775 [inline] lock_release+0x5f9/0xda0 kernel/locking/lockdep.c:4023 __raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline] _raw_read_unlock+0x1a/0x30 kernel/locking/spinlock.c:255 ipmr_mfc_seq_stop+0xe1/0x130 net/ipv6/ip6mr.c:553 traverse+0x3bc/0xa00 fs/seq_file.c:135 seq_read+0x96a/0x13d0 fs/seq_file.c:189 proc_reg_read+0xef/0x170 fs/proc/inode.c:217 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 do_preadv+0x11b/0x1a0 fs/read_write.c:1043 SYSC_preadv fs/read_write.c:1093 [inline] SyS_preadv+0x30/0x40 fs/read_write.c:1088 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x445d19 RSP: 002b:00007f698382bd38 EFLAGS: 00000293 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445d19 RDX: 0000000000000001 RSI: 0000000020a3afb0 RDI: 0000000000000017 RBP: 0000000000000000 R08: 00007f698382c700 R09: 0000000000000000 R10: 0000000000000067 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffd5a4586ff R14: 00007f698382c9c0 R15: 0000000000000000 BUG: sleeping function called from invalid context at lib/usercopy.c:25 in_atomic(): 1, irqs_disabled(): 0, pid: 3204, name: syzkaller032169 INFO: lockdep is turned off. CPU: 0 PID: 3204 Comm: syzkaller032169 Not tainted 4.15.0-rc3+ #218 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+0x194/0x257 lib/dump_stack.c:53 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6060 __might_sleep+0x95/0x190 kernel/sched/core.c:6013 __might_fault+0xab/0x1d0 mm/memory.c:4525 _copy_to_user+0x2c/0xc0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] seq_read+0xcb4/0x13d0 fs/seq_file.c:279 proc_reg_read+0xef/0x170 fs/proc/inode.c:217 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 do_preadv+0x11b/0x1a0 fs/read_write.c:1043 SYSC_preadv fs/read_write.c:1093 [inline] SyS_preadv+0x30/0x40 fs/read_write.c:1088 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x445d19 RSP: 002b:00007f698382bd38 EFLAGS: 00000293 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445d19 RDX: 0000000000000001 RSI: 0000000020a3afb0 RDI: 0000000000000017 RBP: 0000000000000000 R08: 00007f698382c700 R09: 0000000000000000 R10: 0000000000000067 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffd5a4586ff R14: 00007f698382c9c0 R15: 0000000000000000 WARNING: CPU: 0 PID: 3204 at lib/usercopy.c:26 _copy_to_user+0xb5/0xc0 lib/usercopy.c:26
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2017/12/12 20:59 | upstream | a638349bf6c2 | 414a185f | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2017/12/12 13:50 | upstream | a638349bf6c2 | 32f694fc | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2017/12/12 18:09 | linux-next | d20787938ddb | 414a185f | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2018/01/31 17:05 | upstream | 3da90b159b14 | 02553e22 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/31 16:42 | upstream | 3da90b159b14 | 02553e22 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/31 05:56 | upstream | 72906f38934a | 02553e22 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/29 19:30 | upstream | d8a5b80568a9 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/29 17:27 | upstream | d8a5b80568a9 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/29 10:43 | upstream | d8a5b80568a9 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/28 22:58 | upstream | 24b1cccf9229 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/27 00:17 | upstream | c4e0ca7fa241 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 18:02 | upstream | 5132ede0fe80 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 16:46 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 02:49 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/14 22:00 | upstream | 9443c168505d | 66d492a6 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/14 16:20 | upstream | 2c1cfa499018 | 66d492a6 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/14 04:22 | upstream | 2c1cfa499018 | c9e7aeae | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/14 02:23 | upstream | 2c1cfa499018 | c9e7aeae | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/14 00:51 | upstream | c92a9a461dff | c9e7aeae | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/13 14:07 | upstream | c92a9a461dff | c9e7aeae | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/13 13:35 | upstream | c92a9a461dff | c9e7aeae | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/12 20:57 | upstream | c92a9a461dff | 9dc808a6 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/11 00:10 | upstream | 5f615b97cdea | 02a19b64 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/10 12:59 | upstream | cf1fb158230e | 02a19b64 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/10 04:11 | upstream | d476c5334f1d | 1f60c828 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/10 00:37 | upstream | d476c5334f1d | 1f60c828 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/08 23:28 | upstream | b2cd1df66037 | 93b4c6f1 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/27 09:52 | upstream | c4e0ca7fa241 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/27 00:24 | upstream | c4e0ca7fa241 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/26 12:18 | upstream | 993ca2068b04 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/26 11:28 | upstream | 993ca2068b04 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/25 23:48 | upstream | 6e20630e3004 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/25 21:21 | upstream | 6e20630e3004 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/25 11:49 | upstream | 5b7d27967dab | 6b2a715e | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/25 07:26 | upstream | 5132ede0fe80 | 866f1102 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/23 02:44 | upstream | a0ec1ded22e6 | 228e3d95 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/15 09:05 | upstream | a8750ddca918 | 66d492a6 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/12 19:37 | upstream | 1545dec46db3 | 9dc808a6 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/11 19:09 | upstream | 5f615b97cdea | 9dc808a6 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/11 13:19 | upstream | 5f615b97cdea | 9dc808a6 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/10 19:19 | upstream | cf1fb158230e | 02a19b64 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/10 09:56 | upstream | cf1fb158230e | 02a19b64 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/10 02:35 | upstream | d476c5334f1d | 1f60c828 | .config | console log | report | ci-upstream-kasan-gce-386 |