[ 28.533693][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.541391][ T46] bridge_slave_0: left allmulticast mode
[ 28.547122][ T46] bridge_slave_0: left promiscuous mode
[ 28.552862][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.724349][ T46] veth1_macvtap: left promiscuous mode
[ 28.729942][ T46] veth0_vlan: left promiscuous mode
[ 28.735520][ T46] veth1_macvtap: left promiscuous mode
[ 28.741117][ T46] veth0_vlan: left promiscuous mode
[ 38.739929][ T36] kauditd_printk_skb: 31 callbacks suppressed
[ 38.739950][ T36] audit: type=1400 audit(1760264467.800:105): avc: denied { write } for pid=387 comm="sftp-server" path="pipe:[3346]" dev="pipefs" ino=3346 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts.
2025/10/12 10:21:16 parsed 1 programs
[ 49.230240][ T36] audit: type=1400 audit(1760264478.290:106): avc: denied { unlink } for pid=406 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 49.293234][ T406] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 50.219323][ T36] audit: type=1401 audit(1760264479.270:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 50.267684][ T36] audit: type=1400 audit(1760264479.320:108): avc: denied { create } for pid=419 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1
[ 50.380935][ T415] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.388021][ T415] bridge0: port 1(bridge_slave_0) entered disabled state
[ 50.400593][ T415] bridge_slave_0: entered allmulticast mode
[ 50.407135][ T415] bridge_slave_0: entered promiscuous mode
[ 50.414840][ T415] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.421967][ T415] bridge0: port 2(bridge_slave_1) entered disabled state
[ 50.429038][ T415] bridge_slave_1: entered allmulticast mode
[ 50.435456][ T415] bridge_slave_1: entered promiscuous mode
[ 50.721676][ T415] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.728791][ T415] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 50.736156][ T415] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.743247][ T415] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 50.923381][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 50.939559][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 50.961130][ T46] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.968207][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 50.998475][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.005673][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.142234][ T415] veth0_vlan: entered promiscuous mode
[ 51.156413][ T415] veth1_macvtap: entered promiscuous mode
2025/10/12 10:21:20 executed programs: 0
[ 51.334282][ T362] bridge_slave_1: left allmulticast mode
[ 51.340945][ T362] bridge_slave_1: left promiscuous mode
[ 51.346664][ T362] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.354382][ T362] bridge_slave_0: left allmulticast mode
[ 51.361206][ T362] bridge_slave_0: left promiscuous mode
[ 51.367055][ T362] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.518003][ T362] veth1_macvtap: left promiscuous mode
[ 51.523608][ T362] veth0_vlan: left promiscuous mode
[ 51.573990][ T475] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.581118][ T475] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.588295][ T475] bridge_slave_0: entered allmulticast mode
[ 51.594652][ T475] bridge_slave_0: entered promiscuous mode
[ 51.601224][ T475] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.608331][ T475] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.615496][ T475] bridge_slave_1: entered allmulticast mode
[ 51.621981][ T475] bridge_slave_1: entered promiscuous mode
[ 51.656655][ T478] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.664280][ T478] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.671470][ T478] bridge_slave_0: entered allmulticast mode
[ 51.677947][ T478] bridge_slave_0: entered promiscuous mode
[ 51.685018][ T478] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.692363][ T478] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.699533][ T478] bridge_slave_1: entered allmulticast mode
[ 51.705871][ T478] bridge_slave_1: entered promiscuous mode
[ 51.712010][ T476] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.719054][ T476] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.726156][ T476] bridge_slave_0: entered allmulticast mode
[ 51.732602][ T476] bridge_slave_0: entered promiscuous mode
[ 51.751136][ T476] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.758213][ T476] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.765498][ T476] bridge_slave_1: entered allmulticast mode
[ 51.772084][ T476] bridge_slave_1: entered promiscuous mode
[ 51.856091][ T480] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.863221][ T480] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.870918][ T480] bridge_slave_0: entered allmulticast mode
[ 51.877198][ T480] bridge_slave_0: entered promiscuous mode
[ 51.883898][ T480] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.890980][ T480] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.898056][ T480] bridge_slave_1: entered allmulticast mode
[ 51.904543][ T480] bridge_slave_1: entered promiscuous mode
[ 52.023473][ T478] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.030592][ T478] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.037909][ T478] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.044980][ T478] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.068940][ T475] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.076029][ T475] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.083428][ T475] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.090483][ T475] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.104148][ T480] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.111235][ T480] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.118540][ T480] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.125603][ T480] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.157669][ T476] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.164757][ T476] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.172059][ T476] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.179091][ T476] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.199079][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.206713][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.214425][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.222889][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.230261][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.237461][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.245216][ T46] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.252845][ T46] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.273444][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.280549][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.288144][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.295221][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.303178][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.310248][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.318013][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.325160][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.351311][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.358360][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.380138][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.387286][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.395197][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.402299][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.410523][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.417561][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.457810][ T475] veth0_vlan: entered promiscuous mode
[ 52.465137][ T478] veth0_vlan: entered promiscuous mode
[ 52.481134][ T480] veth0_vlan: entered promiscuous mode
[ 52.495620][ T475] veth1_macvtap: entered promiscuous mode
[ 52.505118][ T478] veth1_macvtap: entered promiscuous mode
[ 52.513076][ T476] veth0_vlan: entered promiscuous mode
[ 52.529026][ T480] veth1_macvtap: entered promiscuous mode
[ 52.565014][ T476] veth1_macvtap: entered promiscuous mode
2025/10/12 10:21:25 executed programs: 25
[ 158.499270][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 158.506288][ C1] rcu: (detected by 1, t=10002 jiffies, g=1893, q=855 ncpus=2)
[ 158.513946][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294953035-4294943032), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 158.527340][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1893 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 158.538469][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 158.548458][ C1] rcu: RCU grace-period kthread stack dump:
[ 158.554363][ C1] task:rcu_preempt state:R running task stack:0 pid:18 tgid:18 ppid:2 flags:0x00004000
[ 158.566140][ C1] Call Trace:
[ 158.569452][ C1]
[ 158.572406][ C1] __schedule+0x1322/0x1df0
[ 158.576965][ C1] ? __sched_text_start+0x10/0x10
[ 158.582047][ C1] ? __kasan_check_write+0x18/0x20
[ 158.587197][ C1] ? enqueue_timer+0x3d0/0x480
[ 158.591983][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 158.597818][ C1] ? __mod_timer+0x8ba/0xd60
[ 158.602461][ C1] schedule+0xc6/0x240
[ 158.606581][ C1] schedule_timeout+0x139/0x3a0
[ 158.611471][ C1] ? __cfi_schedule_timeout+0x10/0x10
[ 158.616963][ C1] ? __switch_to_asm+0x3d/0x70
[ 158.621779][ C1] ? __cfi_process_timeout+0x10/0x10
[ 158.627128][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 158.633059][ C1] ? prepare_to_swait_event+0x30d/0x330
[ 158.638643][ C1] rcu_gp_fqs_loop+0x2f2/0x12f0
[ 158.643547][ C1] ? rcu_gp_init+0x1020/0x1020
[ 158.648377][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70
[ 158.654223][ C1] ? finish_swait+0x182/0x1c0
[ 158.658928][ C1] rcu_gp_kthread+0x99/0x380
[ 158.663558][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 158.668803][ C1] ? __kasan_check_read+0x15/0x20
[ 158.673886][ C1] ? __kthread_parkme+0x138/0x180
[ 158.679094][ C1] ? schedule+0xc6/0x240
[ 158.683379][ C1] kthread+0x2ca/0x370
[ 158.687492][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 158.692726][ C1] ? __cfi_kthread+0x10/0x10
[ 158.697341][ C1] ret_from_fork+0x67/0xa0
[ 158.701812][ C1] ? __cfi_kthread+0x10/0x10
[ 158.706435][ C1] ret_from_fork_asm+0x1a/0x30
[ 158.711244][ C1]
[ 158.714291][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 158.720629][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 158.725971][ C0] NMI backtrace for cpu 0
[ 158.725996][ C0] CPU: 0 UID: 0 PID: 591 Comm: syz.2.32 Not tainted syzkaller #0 fd3c8435afaec28a7972119bdf0736bdcfd16977
[ 158.726018][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 158.726028][ C0] RIP: 0010:change_mnt_propagation+0xff/0xb00
[ 158.726056][ C0] Code: 4e e7 ff 4d 8b 2e 48 c7 c3 28 ff ff ff 4d 89 fc 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 f7 e8 e7 4d e7 ff 4d 39 2e 0f 84 8f 00 00 00 49 81 c4
[ 158.726070][ C0] RSP: 0018:ffffc9000139f9c0 EFLAGS: 00000246
[ 158.726085][ C0] RAX: 1ffff1102633a03c RBX: ffffffffffffff28 RCX: dffffc0000000000
[ 158.726098][ C0] RDX: 0000000000000000 RSI: 0000000000040000 RDI: 0000000000100000
[ 158.726109][ C0] RBP: ffffc9000139fa10 R08: ffff88813425deef R09: 0000000000000000
[ 158.726120][ C0] R10: ffff88813425dee0 R11: ffffed102684bbde R12: ffff8881319d01c0
[ 158.726132][ C0] R13: ffff88812b34daa0 R14: ffff8881319d01e0 R15: ffff88813405e700
[ 158.726145][ C0] FS: 00007f4c2f57e6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 158.726160][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 158.726171][ C0] CR2: 00007f814d731f98 CR3: 0000000136a6c000 CR4: 00000000003526b0
[ 158.726186][ C0] Call Trace:
[ 158.726192][ C0]
[ 158.726201][ C0] umount_tree+0xdfd/0xf70
[ 158.726225][ C0] ? __detach_mounts+0x610/0x610
[ 158.726247][ C0] ? propagate_mnt+0x828/0x890
[ 158.726265][ C0] attach_recursive_mnt+0x6df/0x21e0
[ 158.726284][ C0] ? is_subdir+0x145/0x160
[ 158.726301][ C0] ? graft_tree+0x1c0/0x1c0
[ 158.726319][ C0] ? mnt_warn_timestamp_expiry+0x370/0x370
[ 158.726338][ C0] graft_tree+0x157/0x1c0
[ 158.726355][ C0] do_loopback+0x364/0x4b0
[ 158.726369][ C0] ? path_mount+0x1050/0x1050
[ 158.726392][ C0] ? security_capable+0xcf/0xf0
[ 158.726414][ C0] ? ns_capable+0x91/0xf0
[ 158.726437][ C0] path_mount+0x582/0x1050
[ 158.726460][ C0] ? putname+0x113/0x150
[ 158.726476][ C0] __se_sys_mount+0x2bd/0x480
[ 158.726492][ C0] ? __x64_sys_mount+0xf0/0xf0
[ 158.726506][ C0] ? __kasan_check_read+0x15/0x20
[ 158.726531][ C0] __x64_sys_mount+0xc3/0xf0
[ 158.726546][ C0] x64_sys_call+0x2021/0x2ee0
[ 158.726571][ C0] do_syscall_64+0x58/0xf0
[ 158.726591][ C0] ? clear_bhb_loop+0x50/0xa0
[ 158.726610][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 158.726627][ C0] RIP: 0033:0x7f4c2e78e9a9
[ 158.726645][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 158.726658][ C0] RSP: 002b:00007f4c2f57e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 158.726674][ C0] RAX: ffffffffffffffda RBX: 00007f4c2e9b6320 RCX: 00007f4c2e78e9a9
[ 158.726686][ C0] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000200000000240
[ 158.726697][ C0] RBP: 00007f4c2e810d69 R08: 0000000000000000 R09: 0000000000000000
[ 158.726707][ C0] R10: 000000000080700a R11: 0000000000000246 R12: 0000000000000000
[ 158.726717][ C0] R13: 0000000000000001 R14: 00007f4c2e9b6320 R15: 00007fff8794bac8
[ 158.726730][ C0]