Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. executing program [ 64.500849][ T30] audit: type=1400 audit(1755666953.952:62): avc: denied { execmem } for pid=5845 comm="syz-executor181" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 64.520390][ T30] audit: type=1400 audit(1755666953.952:63): avc: denied { write } for pid=5846 comm="syz-executor181" path="pipe:[5128]" dev="pipefs" ino=5128 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 64.543822][ T30] audit: type=1400 audit(1755666953.952:64): avc: denied { create } for pid=5846 comm="syz-executor181" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 64.563779][ T30] audit: type=1400 audit(1755666953.952:65): avc: denied { write } for pid=5846 comm="syz-executor181" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 executing program [ 64.583512][ T30] audit: type=1400 audit(1755666954.012:66): avc: denied { setopt } for pid=5846 comm="syz-executor181" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 169.659933][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.666549][ C0] rcu: 0-....: (10504 ticks this GP) idle=ab24/1/0x4000000000000000 softirq=13437/13439 fqs=5247 [ 169.677103][ C0] rcu: hardirqs softirqs csw/system [ 169.683478][ C0] rcu: number: 5371 0 0 [ 169.689855][ C0] rcu: cputime: 64 0 52425 ==> 52490(ms) [ 169.697628][ C0] rcu: (t=10500 jiffies g=4857 q=523 ncpus=2) [ 169.703755][ C0] CPU: 0 UID: 0 PID: 5850 Comm: syz-executor181 Not tainted syzkaller #0 PREEMPT(full) [ 169.703767][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 169.703772][ C0] RIP: 0010:__rcu_read_unlock+0xcf/0x550 [ 169.703787][ C0] Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d4 01 00 00 8b 85 48 04 00 00 85 c0 75 57 <65> 48 8b 1d 11 58 34 12 48 8d bb 44 04 00 00 48 b8 00 00 00 00 00 [ 169.703795][ C0] RSP: 0018:ffffc90003626bf8 EFLAGS: 00000246 [ 169.703803][ C0] RAX: 0000000000000046 RBX: ffff8880b843b300 RCX: ffffffff81c376ef [ 169.703809][ C0] RDX: 0000000000000000 RSI: ffffffff8c162880 RDI: ffffffff81a1e989 [ 169.703815][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 169.703820][ C0] R10: ffffffff90ab4097 R11: ffffffff81000130 R12: ffffffff8e5cc000 [ 169.703825][ C0] R13: 0000000000000200 R14: 0000000018663301 R15: 1ffff920006c4d93 [ 169.703831][ C0] FS: 00007fdc1bc2e6c0(0000) GS:ffff8881246bc000(0000) knlGS:0000000000000000 [ 169.703840][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.703846][ C0] CR2: 00007fdc1bc0dd58 CR3: 0000000074d38000 CR4: 00000000003526f0 [ 169.703851][ C0] Call Trace: [ 169.703856][ C0] [ 169.703860][ C0] net_generic+0xf4/0x2a0 [ 169.703873][ C0] tipc_sk_lookup+0xa2/0x930 [ 169.703884][ C0] ? do_raw_spin_lock+0x12c/0x2b0 [ 169.703894][ C0] ? __pfx_tipc_sk_lookup+0x10/0x10 [ 169.703904][ C0] ? tipc_sk_rcv+0x2b1/0x1bd0 [ 169.703915][ C0] ? tipc_sk_rcv+0x2b1/0x1bd0 [ 169.703926][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.703937][ C0] ? tipc_sk_rcv+0x2b1/0x1bd0 [ 169.703949][ C0] tipc_sk_rcv+0x2be/0x1bd0 [ 169.703961][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.703972][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.703983][ C0] ? trace_irq_enable.constprop.0+0xd4/0x120 [ 169.703995][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 169.704007][ C0] ? kasan_save_stack+0x42/0x60 [ 169.704016][ C0] ? kasan_save_stack+0x33/0x60 [ 169.704024][ C0] ? kasan_save_track+0x14/0x30 [ 169.704032][ C0] ? kasan_save_free_info+0x3b/0x60 [ 169.704045][ C0] ? __kasan_slab_free+0x60/0x70 [ 169.704053][ C0] ? kmem_cache_free+0x2d1/0x4d0 [ 169.704062][ C0] ? kfree_skbmem+0x16c/0x1f0 [ 169.704073][ C0] ? sk_skb_reason_drop+0x136/0x1a0 [ 169.704086][ C0] ? tipc_node_xmit+0x1ea/0xfc0 [ 169.704099][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704109][ C0] ? lockdep_init_map_type+0x5c/0x280 [ 169.704118][ C0] tipc_node_xmit+0x232/0xfc0 [ 169.704133][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 169.704148][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704160][ C0] ? tipc_node_xmit_skb+0xef/0x160 [ 169.704173][ C0] tipc_node_xmit_skb+0xef/0x160 [ 169.704187][ C0] ? __pfx_tipc_node_xmit_skb+0x10/0x10 [ 169.704203][ C0] ? tipc_sk_filtering+0x420/0x520 [ 169.704214][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704225][ C0] tipc_sk_rcv+0x16b7/0x1bd0 [ 169.704238][ C0] ? trace_irq_enable.constprop.0+0xd4/0x120 [ 169.704249][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 169.704262][ C0] ? get_page_from_freelist+0x1b34/0x38e0 [ 169.704274][ C0] ? tipc_node_xmit+0x1ea/0xfc0 [ 169.704287][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704297][ C0] ? lockdep_init_map_type+0x5c/0x280 [ 169.704306][ C0] tipc_node_xmit+0x232/0xfc0 [ 169.704320][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 169.704335][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704346][ C0] ? lock_release+0x201/0x2f0 [ 169.704359][ C0] ? bpf_ksym_find+0x127/0x1c0 [ 169.704371][ C0] ? tipc_sk_push_backlog+0x318/0x9e0 [ 169.704379][ C0] tipc_sk_push_backlog+0x318/0x9e0 [ 169.704390][ C0] tipc_sk_filter_rcv+0x1397/0x3020 [ 169.704401][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704414][ C0] ? rcu_watching_snap_stopped_since+0xf0/0x110 [ 169.704426][ C0] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 169.704438][ C0] ? lock_release+0x201/0x2f0 [ 169.704452][ C0] ? tipc_sk_lookup+0x445/0x930 [ 169.704463][ C0] ? tipc_sk_rcv+0x57d/0x1bd0 [ 169.704474][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704485][ C0] ? tipc_sk_rcv+0x57d/0x1bd0 [ 169.704496][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704506][ C0] ? trace_irq_enable.constprop.0+0xd4/0x120 [ 169.704522][ C0] tipc_sk_rcv+0xfed/0x1bd0 [ 169.704536][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 169.704549][ C0] ? trace_irq_enable.constprop.0+0xd4/0x120 [ 169.704561][ C0] ? tipc_node_xmit+0x1ea/0xfc0 [ 169.704574][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704584][ C0] ? lockdep_init_map_type+0x5c/0x280 [ 169.704594][ C0] tipc_node_xmit+0x232/0xfc0 [ 169.704606][ C0] ? tipc_sk_filtering+0x420/0x520 [ 169.704618][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 169.704631][ C0] ? trace_tipc_sk_rej_msg+0x1e5/0x270 [ 169.704645][ C0] ? tipc_node_distr_xmit+0x177/0x3c0 [ 169.704659][ C0] tipc_node_distr_xmit+0x177/0x3c0 [ 169.704673][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 169.704689][ C0] ? do_raw_spin_unlock+0x172/0x230 [ 169.704699][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 169.704715][ C0] tipc_sk_backlog_rcv+0x16f/0x1e0 [ 169.704728][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 169.704742][ C0] ? __release_sock+0xd4/0x400 [ 169.704750][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704760][ C0] ? __release_sock+0xd4/0x400 [ 169.704768][ C0] ? rcu_is_watching+0x12/0xc0 [ 169.704779][ C0] ? __release_sock+0xd4/0x400 [ 169.704787][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 169.704800][ C0] __release_sock+0x35f/0x400 [ 169.704811][ C0] release_sock+0x5a/0x220 [ 169.704819][ C0] tipc_release+0x8c3/0x1640 [ 169.704833][ C0] __sock_release+0xb3/0x270 [ 169.704843][ C0] ? __pfx_sock_close+0x10/0x10 [ 169.704851][ C0] sock_close+0x1c/0x30 [ 169.704860][ C0] __fput+0x3ff/0xb70 [ 169.704874][ C0] task_work_run+0x14d/0x240 [ 169.704884][ C0] ? __pfx_task_work_run+0x10/0x10 [ 169.704896][ C0] exit_to_user_mode_loop+0xeb/0x110 [ 169.704905][ C0] do_syscall_64+0x3f6/0x4c0 [ 169.704916][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 169.704926][ C0] RIP: 0033:0x7fdc1bc75a29 [ 169.704934][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 169.704942][ C0] RSP: 002b:00007fdc1bc2e218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.704950][ C0] RAX: 00000000000203a0 RBX: 00007fdc1bd01328 RCX: 00007fdc1bc75a29 [ 169.704955][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 169.704960][ C0] RBP: 00007fdc1bd01320 R08: 0000000000000000 R09: 0000000000000000 [ 169.704965][ C0] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007fdc1bcce470 [ 169.704971][ C0] R13: 0000200000002880 R14: 0000200000002720 R15: 0000200000002700 [ 169.704979][ C0]