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🐞 Open [708] 🐞 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: bad unlock balance in ucma_destroy_id | C | error | 7 | 44d | 1321d | 0/1 | upstream: reported C repro on 2019/06/27 11:05 | |
upstream | WARNING: bad unlock balance in ucma_destroy_id | syz | done | 44 | 1070d | 1624d | 17/24 | fixed on 2020/05/10 10:42 |
===================================== WARNING: bad unlock balance detected! 4.14.302-syzkaller #0 Not tainted ------------------------------------- syz-executor297/8138 is trying to release lock (&file->mut) at: [<ffffffff8552920b>] ucma_destroy_id+0x1eb/0x420 drivers/infiniband/core/ucma.c:606 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor297/8138: #0: (&file->mut){+.+.}, at: [<ffffffff855291ac>] ucma_destroy_id+0x18c/0x420 drivers/infiniband/core/ucma.c:604 stack backtrace: CPU: 1 PID: 8138 Comm: syz-executor297 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_unlock_imbalance_bug include/trace/events/lock.h:58 [inline] __lock_release kernel/locking/lockdep.c:3769 [inline] lock_release.cold+0x70/0xbf kernel/locking/lockdep.c:4017 __mutex_unlock_slowpath+0x75/0x770 kernel/locking/mutex.c:1018 ucma_destroy_id+0x1eb/0x420 drivers/infiniband/core/ucma.c:606 ucma_write+0x206/0x2c0 drivers/infiniband/core/ucma.c:1672 __vfs_write+0xe4/0x630 fs/read_write.c:480 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f82791eda39 RSP: 002b:00007f827917e308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8279275418 RCX: 00007f82791eda39 RDX: 0000000000000018 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00007f8279275410 R08: 00007f827917e700 R09: 0000000000000000 R10: 00007f827917e700 R11: 0000000000000246 R12: 00007f827927541c R13: 00007f8279243074 R14: 006d635f616d6472 R15: 0000000000022000
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-linux-4-14 | 2022/12/26 15:05 | linux-4.14.y | c4215ee4771b | 9da18ae8 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | WARNING: bad unlock balance in ucma_destroy_id | |
ci2-linux-4-14 | 2022/12/18 15:56 | linux-4.14.y | c4215ee4771b | 05494336 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | WARNING: bad unlock balance in ucma_destroy_id | |
ci2-linux-4-14 | 2022/09/09 04:43 | linux-4.14.y | 65640c873dcf | f3027468 | .config | console log | report | syz | C | WARNING: bad unlock balance in ucma_destroy_id | ||
ci2-linux-4-14 | 2021/01/19 12:34 | linux-4.14.y | 2762b48e9611 | 63631df1 | .config | console log | report | syz | WARNING: bad unlock balance in ucma_destroy_id | |||
ci2-linux-4-14 | 2020/02/17 14:57 | linux-4.14.y | 98db2bf27b9e | 72bfa6f2 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/11/29 22:32 | linux-4.14.y | 43598c571e7e | 4f7e1d0f | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/07/01 16:23 | linux-4.14.y | f4cc0ed9b2c7 | 907bf746 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2022/12/18 15:40 | linux-4.14.y | c4215ee4771b | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | WARNING: bad unlock balance in ucma_destroy_id | ||
ci2-linux-4-14 | 2022/09/09 04:23 | linux-4.14.y | 65640c873dcf | f3027468 | .config | console log | report | info | WARNING: bad unlock balance in ucma_destroy_id | |||
ci2-linux-4-14 | 2021/01/19 11:12 | linux-4.14.y | 2762b48e9611 | 63631df1 | .config | console log | report | info | WARNING: bad unlock balance in ucma_destroy_id | |||
ci2-linux-4-14 | 2020/02/17 12:37 | linux-4.14.y | 98db2bf27b9e | 72bfa6f2 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/29 20:52 | linux-4.14.y | 43598c571e7e | 4f7e1d0f | .config | console log | report |