Title | Replies (including bot) | Last reply |
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[syzbot] [bpf?] WARNING: bad unlock balance in bpf | 1 (2) | 2023/05/26 12:52 |
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[syzbot] [bpf?] WARNING: bad unlock balance in bpf | 1 (2) | 2023/05/26 12:52 |
===================================== WARNING: bad unlock balance detected! 6.4.0-rc1-syzkaller-00360-g321a64b32815 #0 Not tainted ------------------------------------- syz-executor243/5005 is trying to release lock (&map->freeze_mutex) at: [<ffffffff8193e2c4>] map_freeze kernel/bpf/syscall.c:1951 [inline] [<ffffffff8193e2c4>] __sys_bpf+0x3234/0x5520 kernel/bpf/syscall.c:5078 but there are no more locks to release! other info that might help us debug this: no locks held by syz-executor243/5005. stack backtrace: CPU: 1 PID: 5005 Comm: syz-executor243 Not tainted 6.4.0-rc1-syzkaller-00360-g321a64b32815 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 __lock_release kernel/locking/lockdep.c:5368 [inline] lock_release+0x4f1/0x670 kernel/locking/lockdep.c:5711 __mutex_unlock_slowpath+0x99/0x5e0 kernel/locking/mutex.c:907 map_freeze kernel/bpf/syscall.c:1951 [inline] __sys_bpf+0x3234/0x5520 kernel/bpf/syscall.c:5078 __do_sys_bpf kernel/bpf/syscall.c:5185 [inline] __se_sys_bpf kernel/bpf/syscall.c:5183 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5183 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbcdfaafc59 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffee6b4a9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcdfaafc59 RDX: 0000000000000004 RSI: 0000000020000440 RDI: 0000000000000016 RBP: 00007fbcdfa73e00 R08: 00000000000
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/26 11:27 | bpf-next | 321a64b32815 | b40ef614 | .config | strace log | report | syz | C | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | ||
2023/05/25 23:40 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | strace log | report | syz | C | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | ||
2023/05/26 12:10 | bpf-next | 321a64b32815 | b40ef614 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 10:58 | bpf-next | 321a64b32815 | b40ef614 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 08:14 | bpf-next | 321a64b32815 | b40ef614 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 06:39 | bpf-next | 321a64b32815 | b40ef614 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 05:39 | bpf-next | 321a64b32815 | b40ef614 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 01:39 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/26 01:19 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/25 22:40 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/25 21:23 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf | |||
2023/05/25 18:39 | bpf-next | c4c84f6fb2c4 | 0513b3e6 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | WARNING: bad unlock balance in bpf |