Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. 2023/11/17 17:20:41 ignoring optional flag "sandboxArg"="0" 2023/11/17 17:20:41 parsed 1 programs 2023/11/17 17:20:41 executed programs: 0 [ 46.300365][ T2562] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 47.041622][ T2568] veth0_vlan: entered promiscuous mode [ 47.294829][ C1] [ 47.297156][ C1] ================================ [ 47.302337][ C1] WARNING: inconsistent lock state [ 47.307527][ C1] 6.7.0-rc1-syzkaller #0 Not tainted [ 47.312774][ C1] -------------------------------- [ 47.318109][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 47.324918][ C1] syz-executor.0/2798 [HC0[0]:SC1[1]:HE0:SE0] takes: [ 47.331731][ C1] ffff888111dcd798 (&sighand->siglock){+.?.}-{2:2}, at: __lock_task_sighand+0x67/0x1a0 [ 47.341530][ C1] {SOFTIRQ-ON-W} state was registered at: [ 47.347309][ C1] lock_acquire+0xcd/0x2d0 [ 47.351782][ C1] _raw_spin_lock+0x2e/0x40 [ 47.356350][ C1] ptrace_attach+0x18b/0x2a0 [ 47.361088][ C1] __do_sys_ptrace+0xa1/0x150 [ 47.366574][ C1] do_syscall_64+0x40/0x110 [ 47.371133][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 47.377088][ C1] irq event stamp: 2147 [ 47.381248][ C1] hardirqs last enabled at (2146): [] _raw_spin_unlock_irqrestore+0x4e/0x70 [ 47.391545][ C1] hardirqs last disabled at (2147): [] _raw_spin_lock_irqsave+0x4e/0x50 [ 47.401551][ C1] softirqs last enabled at (1614): [] bpf_link_free+0x33/0x60 [ 47.410621][ C1] softirqs last disabled at (1615): [] do_softirq+0xaa/0xe0 [ 47.419521][ C1] [ 47.419521][ C1] other info that might help us debug this: [ 47.427816][ C1] Possible unsafe locking scenario: [ 47.427816][ C1] [ 47.435514][ C1] CPU0 [ 47.438966][ C1] ---- [ 47.442227][ C1] lock(&sighand->siglock); [ 47.446780][ C1] [ 47.450200][ C1] lock(&sighand->siglock); [ 47.454938][ C1] [ 47.454938][ C1] *** DEADLOCK *** [ 47.454938][ C1] [ 47.463135][ C1] 3 locks held by syz-executor.0/2798: [ 47.468555][ C1] #0: ffffffff82f8cd00 (rcu_callback){....}-{0:0}, at: rcu_core+0x2d3/0x9f0 [ 47.477464][ C1] #1: ffffffff82f8cdc0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x51/0x1b0 [ 47.486887][ C1] #2: ffffffff82f8cdc0 (rcu_read_lock){....}-{1:2}, at: __lock_task_sighand+0x24/0x1a0 [ 47.496566][ C1] [ 47.496566][ C1] stack backtrace: [ 47.502611][ C1] CPU: 1 PID: 2798 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller #0 [ 47.511329][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 47.521349][ C1] Call Trace: [ 47.524600][ C1] [ 47.527499][ C1] dump_stack_lvl+0x5c/0xb0 [ 47.532060][ C1] mark_lock+0x698/0x7d0 [ 47.536266][ C1] __lock_acquire+0xada/0x1ab0 [ 47.541253][ C1] ? __lock_acquire+0x3e1/0x1ab0 [ 47.546254][ C1] ? __lock_acquire+0x3e1/0x1ab0 [ 47.551161][ C1] lock_acquire+0xcd/0x2d0 [ 47.555547][ C1] ? __lock_task_sighand+0x67/0x1a0 [ 47.560712][ C1] ? rcu_core+0x2d3/0x9f0 [ 47.565013][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 47.570175][ C1] ? __lock_task_sighand+0x67/0x1a0 [ 47.575427][ C1] __lock_task_sighand+0x67/0x1a0 [ 47.580585][ C1] group_send_sig_info+0xd3/0x1b0 [ 47.585575][ C1] bpf_send_signal+0xe/0x20 [ 47.590040][ C1] ___bpf_prog_run+0x2f9/0x27c0 [ 47.594854][ C1] ? rcu_core+0x388/0x9f0 [ 47.599148][ C1] __bpf_prog_run32+0x65/0x90 [ 47.603794][ C1] bpf_trace_run2+0x7f/0x1b0 [ 47.608345][ C1] ? security_cred_free+0x3b/0x50 [ 47.613335][ C1] ? rcu_core+0x388/0x9f0 [ 47.617634][ C1] kfree+0xde/0x120 [ 47.621410][ C1] security_cred_free+0x3b/0x50 [ 47.626222][ C1] put_cred_rcu+0x46/0x130 [ 47.630690][ C1] rcu_core+0x38a/0x9f0 [ 47.635160][ C1] __do_softirq+0x15f/0x421 [ 47.639807][ C1] ? bpf_link_free+0x33/0x60 [ 47.644358][ C1] do_softirq+0xaa/0xe0 [ 47.648480][ C1] [ 47.651378][ C1] [ 47.654277][ C1] __local_bh_enable_ip+0xb3/0xc0 [ 47.659261][ C1] bpf_link_free+0x33/0x60 [ 47.663647][ C1] bpf_link_release+0x16/0x20 [ 47.668298][ C1] __fput+0x8d/0x2e0 [ 47.672255][ C1] __x64_sys_close+0x38/0x80 [ 47.677418][ C1] do_syscall_64+0x40/0x110 [ 47.682695][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 47.689093][ C1] RIP: 0033:0x7f7aa39d29da [ 47.693565][ C1] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 [ 47.713442][ C1] RSP: 002b:00007fff88916210 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 47.722084][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7aa39d29da [ 47.730121][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 47.738169][ C1] RBP: 0000000000000226 R08: 0000001b2c360000 R09: 00007f7aa3af2f8c [ 47.746290][ C1] R10: 00007fff88916360 R11: 0000000000000293 R12: 00007f7aa3557748 [ 47.754314][ C1] R13: ffffffffffffffff R14: 00007f7aa3557000 R15: 000000000000b89e [ 47.762353][ C1] [ 48.347132][ T2883] cgroup: fork rejected by pids controller in /syz0 2023/11/17 17:20:46 executed programs: 167 2023/11/17 17:20:51 executed programs: 394