Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts. 2026/03/20 09:47:06 parsed 1 programs [ 48.886383][ T28] audit: type=1400 audit(1774000027.867:106): avc: denied { unlink } for pid=403 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" Setting up swapspace version 1, size = 127995904 bytes [ 48.996657][ T403] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.725091][ T28] audit: type=1401 audit(1774000028.697:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 49.996358][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.003463][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.035925][ T412] device bridge_slave_0 entered promiscuous mode [ 50.088686][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.104843][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.134570][ T412] device bridge_slave_1 entered promiscuous mode [ 50.166750][ T28] audit: type=1400 audit(1774000029.137:108): avc: denied { create } for pid=446 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 50.433996][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.441129][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.448467][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.456086][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.487256][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.496284][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.503802][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.512156][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.538889][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.561716][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.569127][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.579223][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.587830][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.594943][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.604560][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.631543][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.647690][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.660323][ T412] device veth0_vlan entered promiscuous mode [ 50.667250][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.676340][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.683952][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.698597][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.708507][ T412] device veth1_macvtap entered promiscuous mode [ 50.720221][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.736862][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/20 09:47:09 executed programs: 0 [ 51.094255][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.101659][ T479] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.109395][ T479] device bridge_slave_0 entered promiscuous mode [ 51.126768][ T477] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.134222][ T477] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.141892][ T477] device bridge_slave_0 entered promiscuous mode [ 51.149907][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.157682][ T479] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.165467][ T479] device bridge_slave_1 entered promiscuous mode [ 51.187148][ T477] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.194647][ T477] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.202473][ T477] device bridge_slave_1 entered promiscuous mode [ 51.221832][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.229153][ T480] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.236742][ T480] device bridge_slave_0 entered promiscuous mode [ 51.246383][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.253465][ T480] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.261040][ T480] device bridge_slave_1 entered promiscuous mode [ 51.331631][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.339100][ T482] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.346803][ T482] device bridge_slave_0 entered promiscuous mode [ 51.353872][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.361209][ T482] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.369095][ T482] device bridge_slave_1 entered promiscuous mode [ 51.436596][ T483] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.444127][ T483] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.452746][ T483] device bridge_slave_0 entered promiscuous mode [ 51.462477][ T483] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.469946][ T483] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.477750][ T483] device bridge_slave_1 entered promiscuous mode [ 51.646799][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.654251][ T480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.661651][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.669230][ T480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.681257][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.688467][ T479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.696267][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.703326][ T479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.734209][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.742009][ T482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.749540][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.756606][ T482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.773865][ T477] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.781094][ T477] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.788528][ T477] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.795668][ T477] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.823427][ T483] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.830661][ T483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.838022][ T483] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.845104][ T483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.854412][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.862387][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.869988][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.877579][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.884883][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.892829][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.901053][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.908512][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.915827][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.923381][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.930942][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.964331][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.973138][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.982434][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.989551][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.997567][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.006507][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.014690][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.022384][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.058185][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.066091][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.073762][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.081551][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.089934][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.099458][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.108319][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.115540][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.123380][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.132972][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.142841][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.150523][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.158091][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.165589][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.176398][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.184024][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.200054][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.208782][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.217537][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.224580][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.232711][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.241027][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.250276][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.258928][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.267361][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.274391][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.282413][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.290670][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.300787][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.309906][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.318558][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.326418][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.367045][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.375579][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.385195][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.392456][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.400100][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.409383][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.417867][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.425332][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.433265][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.442151][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.450459][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.457504][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.465115][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.473609][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.481864][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.490375][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.498951][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.507200][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.515462][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.524094][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.547391][ T483] device veth0_vlan entered promiscuous mode [ 52.556597][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.565037][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.573544][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.581272][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.589242][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.597680][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.605634][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.614605][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.630658][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.639475][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.648597][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.674879][ T480] device veth0_vlan entered promiscuous mode [ 52.684330][ T477] device veth0_vlan entered promiscuous mode [ 52.691587][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.701627][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.710918][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.720067][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.727790][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.737083][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.746440][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.756119][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.765443][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.773495][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.787170][ T482] device veth0_vlan entered promiscuous mode [ 52.800661][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.809124][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.817204][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.831749][ T480] device veth1_macvtap entered promiscuous mode [ 52.844300][ T483] device veth1_macvtap entered promiscuous mode [ 52.853888][ T479] device veth0_vlan entered promiscuous mode [ 52.861314][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.870331][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.879837][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.888397][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.897457][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.906276][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.916223][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.924196][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.941330][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.949852][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.963665][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.972345][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.982193][ T477] device veth1_macvtap entered promiscuous mode [ 52.990800][ T482] device veth1_macvtap entered promiscuous mode [ 52.999262][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.007693][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.032833][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.041310][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.051337][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.060768][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.069484][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.079050][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.088821][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.097354][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.107897][ T479] device veth1_macvtap entered promiscuous mode [ 53.141656][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.149661][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.158395][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.167020][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.175619][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.184557][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.193114][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.207770][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.217240][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.227009][ T42] device bridge_slave_1 left promiscuous mode [ 53.233379][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.245126][ T42] device bridge_slave_0 left promiscuous mode [ 53.251453][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.260262][ T42] device veth1_macvtap left promiscuous mode [ 53.266520][ T42] device veth0_vlan left promiscuous mode [ 153.355700][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 153.362436][ C1] rcu: 1-....: (10001 ticks this GP) idle=309c/1/0x4000000000000000 softirq=4133/4142 fqs=4957 [ 153.372891][ C1] (t=10000 jiffies g=2993 q=410 ncpus=2) [ 153.378824][ C1] CPU: 1 PID: 533 Comm: syz.5.21 Not tainted syzkaller #0 [ 153.385949][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 153.396103][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x60 [ 153.402312][ C1] Code: fb e8 23 00 00 00 48 8b 3d 1c 44 21 06 48 89 de e8 d4 82 44 00 5b 5d c3 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d d0 01 91 7e 65 8b 15 d1 01 91 7e [ 153.422405][ C1] RSP: 0018:ffffc90001766e38 EFLAGS: 00000246 [ 153.428812][ C1] RAX: ffffffff840925a5 RBX: 00000000ffff0000 RCX: 0000000000000000 [ 153.436904][ C1] RDX: ffff888120335100 RSI: 00000000ffff0000 RDI: 00000000ffff0000 [ 153.444904][ C1] RBP: ffffc90001766e78 R08: ffff888120335100 R09: 0000000000000002 [ 153.452882][ C1] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff88811b926000 [ 153.460854][ C1] R13: dffffc0000000000 R14: ffff888108f29000 R15: 00000000ffff0000 [ 153.469043][ C1] FS: 00007feedda066c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 153.478043][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.484887][ C1] CR2: 00007fa8101e9e80 CR3: 0000000110333000 CR4: 00000000003506a0 [ 153.492859][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 153.501536][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 153.509533][ C1] Call Trace: [ 153.512825][ C1] [ 153.515846][ C1] ? qdisc_lookup_rcu+0x30f/0x4e0 [ 153.521326][ C1] qdisc_tree_reduce_backlog+0x111/0x360 [ 153.527238][ C1] fq_change+0xc4c/0x1240 [ 153.531677][ C1] ? ref_tracker_alloc+0x349/0x4a0 [ 153.537340][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 153.543189][ C1] ? qdisc_alloc+0x588/0x780 [ 153.547833][ C1] ? qdisc_create+0x17d/0x1180 [ 153.552718][ C1] ? tc_modify_qdisc+0x900/0x19d0 [ 153.557747][ C1] ? __cfi_fq_change+0x10/0x10 [ 153.562651][ C1] ? netlink_sendmsg+0x8b9/0xbd0 [ 153.567709][ C1] fq_init+0x3e3/0x5d0 [ 153.571907][ C1] ? __cfi_fq_init+0x10/0x10 [ 153.576606][ C1] qdisc_create+0x895/0x1180 [ 153.581220][ C1] ? qdisc_notify+0x360/0x360 [ 153.585913][ C1] ? qdisc_lookup+0x3a3/0x4e0 [ 153.590642][ C1] tc_modify_qdisc+0x900/0x19d0 [ 153.595495][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 153.600786][ C1] ? __mutex_lock_slowpath+0xe/0x10 [ 153.606758][ C1] ? mutex_lock+0x10a/0x1b0 [ 153.611499][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 153.616379][ C1] ? ns_capable+0x8c/0xf0 [ 153.620869][ C1] ? netlink_net_capable+0x125/0x160 [ 153.627060][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 153.632585][ C1] rtnetlink_rcv_msg+0xb3b/0xe00 [ 153.638500][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 153.644014][ C1] ? kernel_text_address+0xa0/0xd0 [ 153.649204][ C1] ? __kernel_text_address+0xd/0x30 [ 153.654527][ C1] ? avc_has_perm_noaudit+0x391/0x490 [ 153.659952][ C1] ? memcpy+0x56/0x70 [ 153.663963][ C1] ? avc_has_perm_noaudit+0x30b/0x490 [ 153.669695][ C1] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 153.675764][ C1] ? slab_post_alloc_hook+0x4f/0x2d0 [ 153.681076][ C1] ? avc_has_perm+0x163/0x250 [ 153.685765][ C1] ? __alloc_skb+0x236/0x4b0 [ 153.690362][ C1] ? netlink_sendmsg+0x635/0xbd0 [ 153.695303][ C1] ? ____sys_sendmsg+0x5cc/0x990 [ 153.700268][ C1] ? __cfi_avc_has_perm+0x10/0x10 [ 153.705384][ C1] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 153.711898][ C1] netlink_rcv_skb+0x20f/0x460 [ 153.717320][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 153.722954][ C1] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 153.728244][ C1] ? __netlink_lookup+0x387/0x3b0 [ 153.733276][ C1] rtnetlink_rcv+0x1c/0x20 [ 153.737688][ C1] netlink_unicast+0x8ab/0xa30 [ 153.742454][ C1] netlink_sendmsg+0x8b9/0xbd0 [ 153.747566][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 153.752861][ C1] ? __kasan_check_read+0x11/0x20 [ 153.758156][ C1] ? security_socket_sendmsg+0x93/0xb0 [ 153.764070][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 153.769985][ C1] ____sys_sendmsg+0x5cc/0x990 [ 153.774787][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 153.780253][ C1] ? import_iovec+0x7c/0xb0 [ 153.784807][ C1] ___sys_sendmsg+0x2a2/0x360 [ 153.789577][ C1] ? __sys_sendmsg+0x290/0x290 [ 153.794705][ C1] ? __fdget+0x19c/0x220 [ 153.799216][ C1] __x64_sys_sendmsg+0x205/0x2d0 [ 153.804931][ C1] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 153.810693][ C1] ? __kasan_check_write+0x14/0x20 [ 153.816027][ C1] ? fpregs_restore_userregs+0x128/0x260 [ 153.822478][ C1] ? switch_fpu_return+0xe/0x10 [ 153.827576][ C1] x64_sys_call+0x171/0x9a0 [ 153.832112][ C1] do_syscall_64+0x4c/0xa0 [ 153.836536][ C1] ? clear_bhb_loop+0x30/0x80 [ 153.841369][ C1] ? clear_bhb_loop+0x30/0x80 [ 153.846146][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 153.852335][ C1] RIP: 0033:0x7feedcb9c799 [ 153.856783][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 153.876714][ C1] RSP: 002b:00007feedda06028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.885599][ C1] RAX: ffffffffffffffda RBX: 00007feedce16090 RCX: 00007feedcb9c799 [ 153.893770][ C1] RDX: 0000000000000010 RSI: 0000200000001200 RDI: 0000000000000006 [ 153.901929][ C1] RBP: 00007feedcc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 153.910548][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 153.918632][ C1] R13: 00007feedce16128 R14: 00007feedce16090 R15: 00007ffd0e0f74d8 [ 153.927176][ C1] [ 189.615731][ T29] INFO: task kworker/0:0:6 blocked for more than 122 seconds. [ 189.623469][ T29] Not tainted syzkaller #0 [ 189.628857][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 189.637820][ T29] task:kworker/0:0 state:D stack:24640 pid:6 ppid:2 flags:0x00004000 [ 189.647625][ T29] Workqueue: ipv6_addrconf addrconf_dad_work [ 189.653736][ T29] Call Trace: [ 189.657238][ T29] [ 189.660280][ T29] __schedule+0xba6/0x1500 [ 189.664731][ T29] ? release_firmware_map_entry+0x190/0x190 [ 189.671000][ T29] ? _raw_spin_unlock_irq+0x4d/0x70 [ 189.676340][ T29] ? wq_worker_sleeping+0x1d9/0x280 [ 189.681573][ T29] schedule+0xbd/0x170 [ 189.685846][ T29] schedule_preempt_disabled+0x13/0x20 [ 189.691452][ T29] __mutex_lock+0x82f/0x1790 [ 189.696354][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 189.703148][ T29] ? update_load_avg+0x4bf/0x13f0 [ 189.708833][ T29] ? kvm_sched_clock_read+0x18/0x40 [ 189.714160][ T29] ? xfd_validate_state+0x70/0x150 [ 189.719431][ T29] ? save_fpregs_to_fpstate+0x192/0x220 [ 189.725018][ T29] __mutex_lock_slowpath+0xe/0x10 [ 189.730465][ T29] mutex_lock+0x10a/0x1b0 [ 189.735001][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 189.740379][ T29] rtnl_lock+0x15/0x20 [ 189.744590][ T29] addrconf_dad_work+0xca/0x14d0 [ 189.749985][ T29] ? _raw_spin_unlock+0x4c/0x70 [ 189.754894][ T29] ? finish_task_switch+0x16b/0x7b0 [ 189.760347][ T29] ? __cfi_addrconf_dad_work+0x10/0x10 [ 189.766026][ T29] ? __schedule+0xbae/0x1500 [ 189.770666][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 189.777000][ T29] process_one_work+0x71f/0xc40 [ 189.781981][ T29] worker_thread+0xa29/0x11e0 [ 189.786926][ T29] ? __kthread_parkme+0x142/0x180 [ 189.791985][ T29] kthread+0x281/0x320 [ 189.796239][ T29] ? __cfi_worker_thread+0x10/0x10 [ 189.801407][ T29] ? __cfi_kthread+0x10/0x10 [ 189.806338][ T29] ret_from_fork+0x1f/0x30 [ 189.810996][ T29] [ 189.814103][ T29] INFO: task kworker/1:1:39 blocked for more than 123 seconds. [ 189.822076][ T29] Not tainted syzkaller #0 [ 189.827295][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 189.836184][ T29] task:kworker/1:1 state:D stack:25600 pid:39 ppid:2 flags:0x00004000 [ 189.845544][ T29] Workqueue: ipv6_addrconf addrconf_dad_work [ 189.851792][ T29] Call Trace: [ 189.855099][ T29] [ 189.858268][ T29] __schedule+0xba6/0x1500 [ 189.862735][ T29] ? release_firmware_map_entry+0x190/0x190 [ 189.868883][ T29] ? _raw_spin_unlock_irq+0x4d/0x70 [ 189.874141][ T29] ? wq_worker_sleeping+0x1d9/0x280 [ 189.879651][ T29] schedule+0xbd/0x170 [ 189.883976][ T29] schedule_preempt_disabled+0x13/0x20 [ 189.889938][ T29] __mutex_lock+0x82f/0x1790 [ 189.894734][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 189.901886][ T29] ? timer_update_keys+0xb0/0xb0 [ 189.907004][ T29] ? debug_smp_processor_id+0x17/0x20 [ 189.912411][ T29] ? get_nohz_timer_target+0x7a/0x560 [ 189.917991][ T29] ? __kasan_check_write+0x14/0x20 [ 189.923188][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 189.929738][ T29] ? __mod_timer+0x858/0xc00 [ 189.934395][ T29] __mutex_lock_slowpath+0xe/0x10 [ 189.939998][ T29] mutex_lock+0x10a/0x1b0 [ 189.944476][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 189.949631][ T29] ? add_timer+0x68/0x80 [ 189.953916][ T29] rtnl_lock+0x15/0x20 [ 189.958298][ T29] addrconf_dad_work+0xca/0x14d0 [ 189.963517][ T29] ? __cfi_queue_delayed_work_on+0x10/0x10 [ 189.969637][ T29] ? finish_task_switch+0x16b/0x7b0 [ 189.974882][ T29] ? __cfi_addrconf_dad_work+0x10/0x10 [ 189.981582][ T29] ? __kasan_check_write+0x14/0x20 [ 189.986944][ T29] ? _raw_spin_lock_irq+0x95/0xf0 [ 189.992128][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 189.998000][ T29] process_one_work+0x71f/0xc40 [ 190.003005][ T29] worker_thread+0xa29/0x11e0 [ 190.007895][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 190.013396][ T29] kthread+0x281/0x320 [ 190.017636][ T29] ? __cfi_worker_thread+0x10/0x10 [ 190.022789][ T29] ? __cfi_kthread+0x10/0x10 [ 190.027879][ T29] ret_from_fork+0x1f/0x30 [ 190.032451][ T29] [ 190.035504][ T29] INFO: task kworker/u4:2:42 blocked for more than 123 seconds. [ 190.043520][ T29] Not tainted syzkaller #0 [ 190.049187][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.058401][ T29] task:kworker/u4:2 state:D stack:22720 pid:42 ppid:2 flags:0x00004000 [ 190.069051][ T29] Workqueue: netns cleanup_net [ 190.073974][ T29] Call Trace: [ 190.077627][ T29] [ 190.080712][ T29] __schedule+0xba6/0x1500 [ 190.085473][ T29] ? __cfi_send_call_function_single_ipi+0x10/0x10 [ 190.092506][ T29] ? release_firmware_map_entry+0x190/0x190 [ 190.098808][ T29] ? kthread_data+0x50/0xc0 [ 190.103352][ T29] ? wq_worker_sleeping+0x64/0x280 [ 190.108700][ T29] schedule+0xbd/0x170 [ 190.112892][ T29] schedule_timeout+0xba/0x340 [ 190.118725][ T29] ? __cfi_schedule_timeout+0x10/0x10 [ 190.124157][ T29] ? generic_exec_single+0x247/0x3b0 [ 190.129824][ T29] wait_for_common+0x365/0x640 [ 190.134642][ T29] ? wait_for_completion+0x20/0x20 [ 190.140035][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 190.145548][ T29] ? _find_next_bit+0x129/0x130 [ 190.150628][ T29] wait_for_completion+0x18/0x20 [ 190.155774][ T29] rcu_barrier+0x485/0x600 [ 190.160335][ T29] netdev_run_todo+0x114/0xc30 [ 190.165225][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 190.171834][ T29] ? __cfi_netdev_run_todo+0x10/0x10 [ 190.177820][ T29] ? unregister_netdevice_queue+0x1aa/0x370 [ 190.183927][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 190.190615][ T29] rtnl_unlock+0xe/0x10 [ 190.194825][ T29] default_device_exit_batch+0x9e1/0xa70 [ 190.200742][ T29] ? idr_destroy+0x21e/0x290 [ 190.205457][ T29] ? __cfi_netdev_run_todo+0x10/0x10 [ 190.211422][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 190.216645][ T29] ? __cfi_default_device_exit_batch+0x10/0x10 [ 190.222870][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 190.228905][ T29] ? rtnl_unlock+0xe/0x10 [ 190.233272][ T29] ? __cfi_default_device_exit_batch+0x10/0x10 [ 190.239985][ T29] cleanup_net+0x635/0xb10 [ 190.244536][ T29] ? __cfi_cleanup_net+0x10/0x10 [ 190.249681][ T29] process_one_work+0x71f/0xc40 [ 190.254598][ T29] worker_thread+0xa29/0x11e0 [ 190.260570][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 190.266293][ T29] kthread+0x281/0x320 [ 190.270402][ T29] ? __cfi_worker_thread+0x10/0x10 [ 190.275844][ T29] ? __cfi_kthread+0x10/0x10 [ 190.280569][ T29] ret_from_fork+0x1f/0x30 [ 190.285303][ T29] [ 190.289672][ T29] INFO: task kworker/0:2:377 blocked for more than 123 seconds. [ 190.297834][ T29] Not tainted syzkaller #0 [ 190.302896][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.312168][ T29] task:kworker/0:2 state:D stack:25600 pid:377 ppid:2 flags:0x00004000 [ 190.321556][ T29] Workqueue: events_power_efficient reg_check_chans_work [ 190.328770][ T29] Call Trace: [ 190.332112][ T29] [ 190.335883][ T29] __schedule+0xba6/0x1500 [ 190.340446][ T29] ? release_firmware_map_entry+0x190/0x190 [ 190.347414][ T29] ? _raw_spin_unlock_irq+0x60/0x70 [ 190.352857][ T29] ? wq_worker_sleeping+0x1d9/0x280 [ 190.358385][ T29] schedule+0xbd/0x170 [ 190.362496][ T29] schedule_preempt_disabled+0x13/0x20 [ 190.368208][ T29] __mutex_lock+0x82f/0x1790 [ 190.373185][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 190.380317][ T29] ? __queue_work+0x9df/0xd30 [ 190.385034][ T29] __mutex_lock_slowpath+0xe/0x10 [ 190.390379][ T29] mutex_lock+0x10a/0x1b0 [ 190.394737][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 190.400076][ T29] ? __cfi_queue_delayed_work_on+0x10/0x10 [ 190.406142][ T29] rtnl_lock+0x15/0x20 [ 190.410507][ T29] reg_check_chans_work+0x84/0xb00 [ 190.415925][ T29] ? __cfi_reg_check_chans_work+0x10/0x10 [ 190.421672][ T29] ? _raw_spin_lock_irq+0x95/0xf0 [ 190.427385][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 190.433000][ T29] process_one_work+0x71f/0xc40 [ 190.438109][ T29] worker_thread+0xa29/0x11e0 [ 190.442959][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 190.448891][ T29] ? __kthread_parkme+0x142/0x180 [ 190.453960][ T29] kthread+0x281/0x320 [ 190.458324][ T29] ? __cfi_worker_thread+0x10/0x10 [ 190.463474][ T29] ? __cfi_kthread+0x10/0x10 [ 190.468330][ T29] ret_from_fork+0x1f/0x30 [ 190.472783][ T29] [ 190.476084][ T29] INFO: task syz-executor:477 blocked for more than 123 seconds. [ 190.483998][ T29] Not tainted syzkaller #0 [ 190.489171][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.498066][ T29] task:syz-executor state:D stack:22240 pid:477 ppid:1 flags:0x00004004 [ 190.507644][ T29] Call Trace: [ 190.511049][ T29] [ 190.514139][ T29] __schedule+0xba6/0x1500 [ 190.519492][ T29] ? release_firmware_map_entry+0x190/0x190 [ 190.526058][ T29] ? __mutex_add_waiter+0xcc/0x280 [ 190.531231][ T29] ? __kasan_check_write+0x14/0x20 [ 190.536841][ T29] ? trace_contention_begin+0xa0/0xa0 [ 190.542504][ T29] schedule+0xbd/0x170 [ 190.546923][ T29] schedule_preempt_disabled+0x13/0x20 [ 190.552716][ T29] __mutex_lock+0x82f/0x1790 [ 190.557595][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 190.564937][ T29] ? selinux_capable+0x2b6/0x3b0 [ 190.570483][ T29] ? __cfi_selinux_capable+0x10/0x10 [ 190.576070][ T29] ? is_bpf_text_address+0x177/0x190 [ 190.581414][ T29] ? cap_capable+0x1aa/0x230 [ 190.586281][ T29] __mutex_lock_slowpath+0xe/0x10 [ 190.591354][ T29] mutex_lock+0x10a/0x1b0 [ 190.595951][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 190.600832][ T29] ? ns_capable+0x8c/0xf0 [ 190.605184][ T29] ? netlink_net_capable+0x125/0x160 [ 190.611109][ T29] rtnetlink_rcv_msg+0x9fc/0xe00 [ 190.616231][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 190.622077][ T29] ? kernel_text_address+0xa0/0xd0 [ 190.627608][ T29] ? __kernel_text_address+0xd/0x30 [ 190.632952][ T29] ? avc_has_perm_noaudit+0x391/0x490 [ 190.639072][ T29] ? memcpy+0x56/0x70 [ 190.643425][ T29] ? avc_has_perm_noaudit+0x30b/0x490 [ 190.649567][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 190.655342][ T29] ? slab_post_alloc_hook+0x4f/0x2d0 [ 190.660838][ T29] ? avc_has_perm+0x163/0x250 [ 190.665546][ T29] ? __alloc_skb+0x236/0x4b0 [ 190.670354][ T29] ? netlink_sendmsg+0x635/0xbd0 [ 190.675894][ T29] ? __sys_sendto+0x4ac/0x660 [ 190.680624][ T29] ? __cfi_avc_has_perm+0x10/0x10 [ 190.686424][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 190.691940][ T29] netlink_rcv_skb+0x20f/0x460 [ 190.697172][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 190.702754][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 190.708273][ T29] ? __netlink_lookup+0x387/0x3b0 [ 190.713448][ T29] rtnetlink_rcv+0x1c/0x20 [ 190.718059][ T29] netlink_unicast+0x8ab/0xa30 [ 190.722962][ T29] netlink_sendmsg+0x8b9/0xbd0 [ 190.727964][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 190.733294][ T29] ? security_socket_sendmsg+0x93/0xb0 [ 190.739071][ T29] __sys_sendto+0x4ac/0x660 [ 190.743674][ T29] ? __cfi___sys_sendto+0x10/0x10 [ 190.749246][ T29] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 190.755375][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10 [ 190.762101][ T29] ? fput+0x15b/0x1a0 [ 190.768846][ T29] __x64_sys_sendto+0xe5/0x100 [ 190.773943][ T29] x64_sys_call+0x83/0x9a0 [ 190.778704][ T29] do_syscall_64+0x4c/0xa0 [ 190.783157][ T29] ? clear_bhb_loop+0x30/0x80 [ 190.788099][ T29] ? clear_bhb_loop+0x30/0x80 [ 190.793421][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 190.799512][ T29] RIP: 0033:0x7f5939957917 [ 190.803976][ T29] RSP: 002b:00007fff03353890 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 190.813348][ T29] RAX: ffffffffffffffda RBX: 00005555837fd500 RCX: 00007f5939957917 [ 190.821556][ T29] RDX: 0000000000000028 RSI: 00007f593a744670 RDI: 0000000000000003 [ 190.829818][ T29] RBP: 0000000000000001 R08: 00007fff033538f4 R09: 000000000000000c [ 190.838380][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 190.846699][ T29] R13: 0000000000000000 R14: 00007f593a744670 R15: 0000000000000000 [ 190.854904][ T29] [ 190.858182][ T29] INFO: task syz-executor:479 blocked for more than 124 seconds. [ 190.866190][ T29] Not tainted syzkaller #0 [ 190.871253][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.880208][ T29] task:syz-executor state:D stack:22304 pid:479 ppid:1 flags:0x00004004 [ 190.889698][ T29] Call Trace: [ 190.893478][ T29] [ 190.896681][ T29] __schedule+0xba6/0x1500 [ 190.901154][ T29] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 190.907637][ T29] ? release_firmware_map_entry+0x190/0x190 [ 190.913670][ T29] ? __mutex_add_waiter+0xcc/0x280 [ 190.919226][ T29] ? __kasan_check_write+0x14/0x20 [ 190.924464][ T29] ? trace_contention_begin+0xa0/0xa0 [ 190.930160][ T29] schedule+0xbd/0x170 [ 190.934482][ T29] schedule_preempt_disabled+0x13/0x20 [ 190.940788][ T29] __mutex_lock+0x82f/0x1790 [ 190.945527][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 190.952531][ T29] ? selinux_capable+0x2b6/0x3b0 [ 190.957689][ T29] ? __cfi_selinux_capable+0x10/0x10 [ 190.963028][ T29] ? __set_page_owner+0x50/0x60 [ 190.968218][ T29] ? cap_capable+0x1aa/0x230 [ 190.972862][ T29] __mutex_lock_slowpath+0xe/0x10 [ 190.978202][ T29] mutex_lock+0x10a/0x1b0 [ 190.982657][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 190.987925][ T29] ? ns_capable+0x8c/0xf0 [ 190.992565][ T29] ? netlink_net_capable+0x125/0x160 [ 190.998296][ T29] rtnetlink_rcv_msg+0x9fc/0xe00 [ 191.003366][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.009137][ T29] ? kernel_text_address+0xa0/0xd0 [ 191.014376][ T29] ? __kernel_text_address+0xd/0x30 [ 191.019796][ T29] ? avc_has_perm_noaudit+0x391/0x490 [ 191.025335][ T29] ? memcpy+0x56/0x70 [ 191.029575][ T29] ? avc_has_perm_noaudit+0x30b/0x490 [ 191.035004][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 191.041004][ T29] ? slab_post_alloc_hook+0x4f/0x2d0 [ 191.046899][ T29] ? avc_has_perm+0x163/0x250 [ 191.051624][ T29] ? __alloc_skb+0x236/0x4b0 [ 191.056573][ T29] ? netlink_sendmsg+0x635/0xbd0 [ 191.061563][ T29] ? __sys_sendto+0x4ac/0x660 [ 191.066579][ T29] ? __cfi_avc_has_perm+0x10/0x10 [ 191.071918][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 191.077508][ T29] netlink_rcv_skb+0x20f/0x460 [ 191.082598][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.088536][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 191.093879][ T29] ? __netlink_lookup+0x387/0x3b0 [ 191.099230][ T29] rtnetlink_rcv+0x1c/0x20 [ 191.103859][ T29] netlink_unicast+0x8ab/0xa30 [ 191.108918][ T29] netlink_sendmsg+0x8b9/0xbd0 [ 191.113912][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 191.119544][ T29] ? security_socket_sendmsg+0x93/0xb0 [ 191.125052][ T29] __sys_sendto+0x4ac/0x660 [ 191.130030][ T29] ? __cfi___sys_sendto+0x10/0x10 [ 191.135188][ T29] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 191.141542][ T29] ? __this_cpu_preempt_check+0x13/0x20 [ 191.147645][ T29] ? xfd_validate_state+0x70/0x150 [ 191.152834][ T29] ? __kasan_check_write+0x14/0x20 [ 191.158270][ T29] __x64_sys_sendto+0xe5/0x100 [ 191.163080][ T29] x64_sys_call+0x83/0x9a0 [ 191.167792][ T29] do_syscall_64+0x4c/0xa0 [ 191.172250][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.177132][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.181838][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 191.188093][ T29] RIP: 0033:0x7f4a8d957917 [ 191.192802][ T29] RSP: 002b:00007ffe7fc96430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 191.201862][ T29] RAX: ffffffffffffffda RBX: 0000555581115500 RCX: 00007f4a8d957917 [ 191.210618][ T29] RDX: 0000000000000040 RSI: 00007f4a8e744670 RDI: 0000000000000003 [ 191.218765][ T29] RBP: 0000000000000001 R08: 00007ffe7fc96494 R09: 000000000000000c [ 191.226899][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 191.234891][ T29] R13: 0000000000000000 R14: 00007f4a8e744670 R15: 0000000000000000 [ 191.243328][ T29] [ 191.246529][ T29] INFO: task syz-executor:482 blocked for more than 124 seconds. [ 191.254535][ T29] Not tainted syzkaller #0 [ 191.259719][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 191.268815][ T29] task:syz-executor state:D stack:21984 pid:482 ppid:1 flags:0x00004004 [ 191.278494][ T29] Call Trace: [ 191.281880][ T29] [ 191.284884][ T29] __schedule+0xba6/0x1500 [ 191.289662][ T29] ? release_firmware_map_entry+0x190/0x190 [ 191.295601][ T29] ? __mutex_add_waiter+0xcc/0x280 [ 191.301269][ T29] ? __kasan_check_write+0x14/0x20 [ 191.306730][ T29] ? trace_contention_begin+0xa0/0xa0 [ 191.312254][ T29] schedule+0xbd/0x170 [ 191.316700][ T29] schedule_preempt_disabled+0x13/0x20 [ 191.322313][ T29] __mutex_lock+0x82f/0x1790 [ 191.327284][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 191.334167][ T29] ? selinux_capable+0x2b6/0x3b0 [ 191.339322][ T29] ? __cfi_selinux_capable+0x10/0x10 [ 191.345117][ T29] ? is_bpf_text_address+0x177/0x190 [ 191.350759][ T29] ? cap_capable+0x1aa/0x230 [ 191.355580][ T29] __mutex_lock_slowpath+0xe/0x10 [ 191.361283][ T29] mutex_lock+0x10a/0x1b0 [ 191.365857][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 191.371033][ T29] ? ns_capable+0x8c/0xf0 [ 191.375479][ T29] ? netlink_net_capable+0x125/0x160 [ 191.381015][ T29] rtnetlink_rcv_msg+0x9fc/0xe00 [ 191.386202][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.391791][ T29] ? kernel_text_address+0xa0/0xd0 [ 191.397303][ T29] ? __kernel_text_address+0xd/0x30 [ 191.402617][ T29] ? avc_has_perm_noaudit+0x391/0x490 [ 191.408286][ T29] ? memcpy+0x56/0x70 [ 191.412290][ T29] ? avc_has_perm_noaudit+0x30b/0x490 [ 191.417976][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 191.423760][ T29] ? slab_post_alloc_hook+0x4f/0x2d0 [ 191.429503][ T29] ? avc_has_perm+0x163/0x250 [ 191.434240][ T29] ? __alloc_skb+0x236/0x4b0 [ 191.439065][ T29] ? netlink_sendmsg+0x635/0xbd0 [ 191.444095][ T29] ? __sys_sendto+0x4ac/0x660 [ 191.449246][ T29] ? __cfi_avc_has_perm+0x10/0x10 [ 191.454522][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 191.460415][ T29] netlink_rcv_skb+0x20f/0x460 [ 191.465229][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.471134][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 191.476765][ T29] ? __netlink_lookup+0x387/0x3b0 [ 191.481826][ T29] rtnetlink_rcv+0x1c/0x20 [ 191.486453][ T29] netlink_unicast+0x8ab/0xa30 [ 191.491331][ T29] netlink_sendmsg+0x8b9/0xbd0 [ 191.496520][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 191.501841][ T29] ? security_socket_sendmsg+0x93/0xb0 [ 191.507718][ T29] __sys_sendto+0x4ac/0x660 [ 191.512270][ T29] ? __cfi___sys_sendto+0x10/0x10 [ 191.517516][ T29] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 191.523818][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10 [ 191.530488][ T29] ? fput+0x15b/0x1a0 [ 191.534593][ T29] __x64_sys_sendto+0xe5/0x100 [ 191.540046][ T29] x64_sys_call+0x83/0x9a0 [ 191.545313][ T29] do_syscall_64+0x4c/0xa0 [ 191.550137][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.554942][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.559823][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 191.565900][ T29] RIP: 0033:0x7ff517557917 [ 191.570434][ T29] RSP: 002b:00007fff3979c040 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 191.579277][ T29] RAX: ffffffffffffffda RBX: 000055555dfc6500 RCX: 00007ff517557917 [ 191.587454][ T29] RDX: 0000000000000020 RSI: 00007ff518344670 RDI: 0000000000000003 [ 191.596450][ T29] RBP: 0000000000000001 R08: 00007fff3979c0a4 R09: 000000000000000c [ 191.604549][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 191.612935][ T29] R13: 0000000000000000 R14: 00007ff518344670 R15: 0000000000000000 [ 191.621205][ T29] [ 191.624295][ T29] INFO: task syz.1.18:535 blocked for more than 124 seconds. [ 191.632188][ T29] Not tainted syzkaller #0 [ 191.637443][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 191.647379][ T29] task:syz.1.18 state:D stack:25520 pid:535 ppid:480 flags:0x00004004 [ 191.657659][ T29] Call Trace: [ 191.660973][ T29] [ 191.664041][ T29] __schedule+0xba6/0x1500 [ 191.668771][ T29] ? release_firmware_map_entry+0x190/0x190 [ 191.675246][ T29] ? __mutex_add_waiter+0xcc/0x280 [ 191.680719][ T29] ? __kasan_check_write+0x14/0x20 [ 191.686336][ T29] ? trace_contention_begin+0xa0/0xa0 [ 191.691949][ T29] schedule+0xbd/0x170 [ 191.696694][ T29] schedule_preempt_disabled+0x13/0x20 [ 191.702897][ T29] __mutex_lock+0x82f/0x1790 [ 191.707724][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 191.714531][ T29] ? selinux_capable+0x2b6/0x3b0 [ 191.719878][ T29] ? __cfi_selinux_capable+0x10/0x10 [ 191.725371][ T29] ? cap_capable+0x1aa/0x230 [ 191.730290][ T29] __mutex_lock_slowpath+0xe/0x10 [ 191.735437][ T29] mutex_lock+0x10a/0x1b0 [ 191.741113][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 191.746481][ T29] ? ns_capable+0x8c/0xf0 [ 191.751392][ T29] ? netlink_net_capable+0x125/0x160 [ 191.757267][ T29] rtnetlink_rcv_msg+0x9fc/0xe00 [ 191.763157][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.769305][ T29] ? kernel_text_address+0xa0/0xd0 [ 191.774760][ T29] ? __kernel_text_address+0xd/0x30 [ 191.780249][ T29] ? avc_has_perm_noaudit+0x391/0x490 [ 191.786177][ T29] ? memcpy+0x56/0x70 [ 191.790377][ T29] ? avc_has_perm_noaudit+0x30b/0x490 [ 191.795951][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 191.802299][ T29] ? slab_post_alloc_hook+0x4f/0x2d0 [ 191.807914][ T29] ? avc_has_perm+0x163/0x250 [ 191.812852][ T29] ? __alloc_skb+0x236/0x4b0 [ 191.817741][ T29] ? netlink_sendmsg+0x635/0xbd0 [ 191.823154][ T29] ? ____sys_sendmsg+0x5cc/0x990 [ 191.828457][ T29] ? __cfi_avc_has_perm+0x10/0x10 [ 191.833895][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 191.839740][ T29] netlink_rcv_skb+0x20f/0x460 [ 191.844942][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 191.851061][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 191.856888][ T29] ? __netlink_lookup+0x387/0x3b0 [ 191.862126][ T29] rtnetlink_rcv+0x1c/0x20 [ 191.866870][ T29] netlink_unicast+0x8ab/0xa30 [ 191.872020][ T29] netlink_sendmsg+0x8b9/0xbd0 [ 191.876980][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 191.882305][ T29] ? __kasan_check_read+0x11/0x20 [ 191.887589][ T29] ? security_socket_sendmsg+0x93/0xb0 [ 191.894142][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 191.900951][ T29] ____sys_sendmsg+0x5cc/0x990 [ 191.906000][ T29] ? __sys_sendmsg_sock+0x40/0x40 [ 191.911846][ T29] ? import_iovec+0x7c/0xb0 [ 191.916541][ T29] ___sys_sendmsg+0x2a2/0x360 [ 191.921342][ T29] ? __sys_sendmsg+0x290/0x290 [ 191.926357][ T29] ? __fdget+0x19c/0x220 [ 191.930719][ T29] __x64_sys_sendmsg+0x205/0x2d0 [ 191.936008][ T29] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 191.941689][ T29] ? __kasan_check_write+0x14/0x20 [ 191.947464][ T29] ? fpregs_restore_userregs+0x128/0x260 [ 191.953235][ T29] ? switch_fpu_return+0xe/0x10 [ 191.958479][ T29] x64_sys_call+0x171/0x9a0 [ 191.963023][ T29] do_syscall_64+0x4c/0xa0 [ 191.967949][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.972893][ T29] ? clear_bhb_loop+0x30/0x80 [ 191.977855][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 191.983802][ T29] RIP: 0033:0x7fa81019c799 [ 191.988834][ T29] RSP: 002b:00007fa8110dd028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 191.997783][ T29] RAX: ffffffffffffffda RBX: 00007fa810415fa0 RCX: 00007fa81019c799 [ 192.006224][ T29] RDX: 0000000000044080 RSI: 0000200000000040 RDI: 0000000000000003 [ 192.014329][ T29] RBP: 00007fa810232bd9 R08: 0000000000000000 R09: 0000000000000000 [ 192.022831][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 192.031206][ T29] R13: 00007fa810416038 R14: 00007fa810415fa0 R15: 00007ffd6a3ec588 [ 192.039534][ T29] [ 192.042845][ T29] INFO: task syz.1.18:536 blocked for more than 125 seconds. [ 192.050616][ T29] Not tainted syzkaller #0 [ 192.056032][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 192.064800][ T29] task:syz.1.18 state:D stack:27632 pid:536 ppid:480 flags:0x00004004 [ 192.074509][ T29] Call Trace: [ 192.077931][ T29] [ 192.080887][ T29] __schedule+0xba6/0x1500 [ 192.085352][ T29] ? release_firmware_map_entry+0x190/0x190 [ 192.091723][ T29] ? __mutex_add_waiter+0xcc/0x280 [ 192.097035][ T29] ? __kasan_check_write+0x14/0x20 [ 192.102270][ T29] ? trace_contention_begin+0xa0/0xa0 [ 192.108019][ T29] schedule+0xbd/0x170 [ 192.113191][ T29] schedule_preempt_disabled+0x13/0x20 [ 192.119584][ T29] __mutex_lock+0x82f/0x1790 [ 192.124210][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 192.131493][ T29] ? selinux_capable+0x2b6/0x3b0 [ 192.136772][ T29] ? __cfi_selinux_capable+0x10/0x10 [ 192.142199][ T29] ? cap_capable+0x1aa/0x230 [ 192.147222][ T29] __mutex_lock_slowpath+0xe/0x10 [ 192.152621][ T29] mutex_lock+0x10a/0x1b0 [ 192.157140][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 192.162188][ T29] ? ns_capable+0x8c/0xf0 [ 192.166903][ T29] ? netlink_net_capable+0x125/0x160 [ 192.172244][ T29] rtnetlink_rcv_msg+0x9fc/0xe00 [ 192.177850][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 192.183348][ T29] ? kernel_text_address+0xa0/0xd0 [ 192.188690][ T29] ? __kernel_text_address+0xd/0x30 [ 192.194199][ T29] ? avc_has_perm_noaudit+0x391/0x490 [ 192.200130][ T29] ? memcpy+0x56/0x70 [ 192.204153][ T29] ? avc_has_perm_noaudit+0x30b/0x490 [ 192.209786][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 192.215546][ T29] ? slab_post_alloc_hook+0x4f/0x2d0 [ 192.221053][ T29] ? avc_has_perm+0x163/0x250 [ 192.225923][ T29] ? __alloc_skb+0x236/0x4b0 [ 192.231163][ T29] ? netlink_sendmsg+0x635/0xbd0 [ 192.236280][ T29] ? ____sys_sendmsg+0x5cc/0x990 [ 192.241264][ T29] ? __cfi_avc_has_perm+0x10/0x10 [ 192.246574][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 192.252077][ T29] netlink_rcv_skb+0x20f/0x460 [ 192.257082][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 192.262583][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 192.269238][ T29] ? __netlink_lookup+0x387/0x3b0 [ 192.274319][ T29] rtnetlink_rcv+0x1c/0x20 [ 192.279044][ T29] netlink_unicast+0x8ab/0xa30 [ 192.284107][ T29] netlink_sendmsg+0x8b9/0xbd0 [ 192.289588][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 192.295032][ T29] ? __kasan_check_read+0x11/0x20 [ 192.300443][ T29] ? security_socket_sendmsg+0x93/0xb0 [ 192.306102][ T29] ? __cfi_netlink_sendmsg+0x10/0x10 [ 192.311419][ T29] ____sys_sendmsg+0x5cc/0x990 [ 192.316493][ T29] ? __sys_sendmsg_sock+0x40/0x40 [ 192.321662][ T29] ? import_iovec+0x7c/0xb0 [ 192.326739][ T29] ___sys_sendmsg+0x2a2/0x360 [ 192.331572][ T29] ? __sys_sendmsg+0x290/0x290 [ 192.337013][ T29] ? __fdget+0x19c/0x220 [ 192.341339][ T29] __x64_sys_sendmsg+0x205/0x2d0 [ 192.346636][ T29] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 192.352142][ T29] ? __kasan_check_write+0x14/0x20 [ 192.357779][ T29] ? fpregs_restore_userregs+0x128/0x260 [ 192.363530][ T29] ? switch_fpu_return+0xe/0x10 [ 192.368603][ T29] x64_sys_call+0x171/0x9a0 [ 192.373312][ T29] do_syscall_64+0x4c/0xa0 [ 192.377950][ T29] ? clear_bhb_loop+0x30/0x80 [ 192.382844][ T29] ? clear_bhb_loop+0x30/0x80 [ 192.387852][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 192.393822][ T29] RIP: 0033:0x7fa81019c799 [ 192.398544][ T29] RSP: 002b:00007fa8110bc028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 192.407706][ T29] RAX: ffffffffffffffda RBX: 00007fa810416090 RCX: 00007fa81019c799 [ 192.415831][ T29] RDX: 0000000000000010 RSI: 0000200000001200 RDI: 0000000000000006 [ 192.424049][ T29] RBP: 00007fa810232bd9 R08: 0000000000000000 R09: 0000000000000000 [ 192.432371][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 192.440529][ T29] R13: 00007fa810416128 R14: 00007fa810416090 R15: 00007ffd6a3ec588 [ 192.448693][ T29] [ 192.451773][ T29] NMI backtrace for cpu 0 [ 192.456297][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 [ 192.463516][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 192.473761][ T29] Call Trace: [ 192.477155][ T29] [ 192.480104][ T29] __dump_stack+0x21/0x24 [ 192.484552][ T29] dump_stack_lvl+0x110/0x170 [ 192.489277][ T29] ? __cfi_dump_stack_lvl+0x8/0x8 [ 192.494341][ T29] dump_stack+0x15/0x24 [ 192.498538][ T29] nmi_cpu_backtrace+0x2af/0x2c0 [ 192.503532][ T29] ? rcu_read_unlock_special+0xb2/0x440 [ 192.509134][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 192.514644][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0 [ 192.520864][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 192.526893][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 192.532910][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0 [ 192.539052][ T29] arch_trigger_cpumask_backtrace+0x10/0x20 [ 192.544976][ T29] watchdog+0xd68/0xeb0 [ 192.549177][ T29] ? __cfi_watchdog+0x10/0x10 [ 192.554124][ T29] ? __kasan_check_read+0x11/0x20 [ 192.559288][ T29] ? __kthread_parkme+0x142/0x180 [ 192.564336][ T29] kthread+0x281/0x320 [ 192.568428][ T29] ? __cfi_watchdog+0x10/0x10 [ 192.573129][ T29] ? __cfi_kthread+0x10/0x10 [ 192.577746][ T29] ret_from_fork+0x1f/0x30 [ 192.582202][ T29] [ 192.585348][ T29] Sending NMI from CPU 0 to CPUs 1: [ 192.590643][ C1] NMI backtrace for cpu 1 [ 192.590658][ C1] CPU: 1 PID: 533 Comm: syz.5.21 Not tainted syzkaller #0 [ 192.590677][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 192.590686][ C1] RIP: 0010:qdisc_lookup_rcu+0x420/0x4e0 [ 192.590710][ C1] Code: 68 fd eb ab 44 89 f9 80 e1 07 80 c1 03 38 c1 7c b2 4c 89 ff e8 c1 80 ad fd eb a8 e8 2a 45 68 fd eb 08 e8 23 45 68 fd 45 31 f6 <4c> 89 f0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 e1 80 [ 192.590724][ C1] RSP: 0018:ffffc90001766e48 EFLAGS: 00000293 [ 192.590740][ C1] RAX: ffffffff840925af RBX: 00000000ffff0000 RCX: ffff888120335100 [ 192.590753][ C1] RDX: 0000000000000000 RSI: 00000000ffff0000 RDI: 00000000ffff0000 [ 192.590763][ C1] RBP: ffffc90001766e78 R08: ffff888120335100 R09: 0000000000000002 [ 192.590775][ C1] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff88811b926000 [ 192.590787][ C1] R13: dffffc0000000000 R14: ffff888108f29000 R15: 00000000ffff0000 [ 192.590800][ C1] FS: 00007feedda066c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 192.590815][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 192.590826][ C1] CR2: 00007fa8101e9e80 CR3: 0000000110333000 CR4: 00000000003506a0 [ 192.590842][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 192.590851][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 192.590862][ C1] Call Trace: [ 192.590868][ C1] [ 192.590875][ C1] qdisc_tree_reduce_backlog+0x111/0x360 [ 192.590896][ C1] fq_change+0xc4c/0x1240 [ 192.590920][ C1] ? ref_tracker_alloc+0x349/0x4a0 [ 192.590939][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 192.590956][ C1] ? qdisc_alloc+0x588/0x780 [ 192.590978][ C1] ? qdisc_create+0x17d/0x1180 [ 192.590995][ C1] ? tc_modify_qdisc+0x900/0x19d0 [ 192.591012][ C1] ? __cfi_fq_change+0x10/0x10 [ 192.591035][ C1] ? netlink_sendmsg+0x8b9/0xbd0 [ 192.591059][ C1] fq_init+0x3e3/0x5d0 [ 192.591082][ C1] ? __cfi_fq_init+0x10/0x10 [ 192.591104][ C1] qdisc_create+0x895/0x1180 [ 192.591123][ C1] ? qdisc_notify+0x360/0x360 [ 192.591141][ C1] ? qdisc_lookup+0x3a3/0x4e0 [ 192.591156][ C1] tc_modify_qdisc+0x900/0x19d0 [ 192.591177][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 192.591196][ C1] ? __mutex_lock_slowpath+0xe/0x10 [ 192.591213][ C1] ? mutex_lock+0x10a/0x1b0 [ 192.591227][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 192.591242][ C1] ? ns_capable+0x8c/0xf0 [ 192.591258][ C1] ? netlink_net_capable+0x125/0x160 [ 192.591281][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 192.591298][ C1] rtnetlink_rcv_msg+0xb3b/0xe00 [ 192.591316][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 192.591331][ C1] ? kernel_text_address+0xa0/0xd0 [ 192.591353][ C1] ? __kernel_text_address+0xd/0x30 [ 192.591373][ C1] ? avc_has_perm_noaudit+0x391/0x490 [ 192.591399][ C1] ? memcpy+0x56/0x70 [ 192.591415][ C1] ? avc_has_perm_noaudit+0x30b/0x490 [ 192.591440][ C1] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 192.591466][ C1] ? slab_post_alloc_hook+0x4f/0x2d0 [ 192.591491][ C1] ? avc_has_perm+0x163/0x250 [ 192.591514][ C1] ? __alloc_skb+0x236/0x4b0 [ 192.591532][ C1] ? netlink_sendmsg+0x635/0xbd0 [ 192.591552][ C1] ? ____sys_sendmsg+0x5cc/0x990 [ 192.591577][ C1] ? __cfi_avc_has_perm+0x10/0x10 [ 192.591601][ C1] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 192.591629][ C1] netlink_rcv_skb+0x20f/0x460 [ 192.591648][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 192.591664][ C1] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 192.591684][ C1] ? __netlink_lookup+0x387/0x3b0 [ 192.591706][ C1] rtnetlink_rcv+0x1c/0x20 [ 192.591739][ C1] netlink_unicast+0x8ab/0xa30 [ 192.591758][ C1] netlink_sendmsg+0x8b9/0xbd0 [ 192.591780][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 192.591801][ C1] ? __kasan_check_read+0x11/0x20 [ 192.591817][ C1] ? security_socket_sendmsg+0x93/0xb0 [ 192.591835][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 192.591855][ C1] ____sys_sendmsg+0x5cc/0x990 [ 192.591881][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 192.591907][ C1] ? import_iovec+0x7c/0xb0 [ 192.591931][ C1] ___sys_sendmsg+0x2a2/0x360 [ 192.591956][ C1] ? __sys_sendmsg+0x290/0x290 [ 192.591988][ C1] ? __fdget+0x19c/0x220 [ 192.592004][ C1] __x64_sys_sendmsg+0x205/0x2d0 [ 192.592030][ C1] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 192.592056][ C1] ? __kasan_check_write+0x14/0x20 [ 192.592072][ C1] ? fpregs_restore_userregs+0x128/0x260 [ 192.592093][ C1] ? switch_fpu_return+0xe/0x10 [ 192.592112][ C1] x64_sys_call+0x171/0x9a0 [ 192.592133][ C1] do_syscall_64+0x4c/0xa0 [ 192.592156][ C1] ? clear_bhb_loop+0x30/0x80 [ 192.592175][ C1] ? clear_bhb_loop+0x30/0x80 [ 192.592192][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 192.592208][ C1] RIP: 0033:0x7feedcb9c799 [ 192.592221][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 192.592235][ C1] RSP: 002b:00007feedda06028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 192.592252][ C1] RAX: ffffffffffffffda RBX: 00007feedce16090 RCX: 00007feedcb9c799 [ 192.592269][ C1] RDX: 0000000000000010 RSI: 0000200000001200 RDI: 0000000000000006 [ 192.592280][ C1] RBP: 00007feedcc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 192.592290][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 192.592300][ C1] R13: 00007feedce16128 R14: 00007feedce16090 R15: 00007ffd0e0f74d8 [ 192.592315][ C1] [ 213.295749][ T29] INFO: task kworker/0:0:6 blocked for more than 146 seconds. [ 213.303454][ T29] Not tainted syzkaller #0 [ 213.309139][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.318227][ T29] task:kworker/0:0 state:D stack:24640 pid:6 ppid:2 flags:0x00004000 [ 213.327810][ T29] Workqueue: ipv6_addrconf addrconf_dad_work [ 213.333951][ T29] Call Trace: [ 213.337523][ T29] [ 213.340480][ T29] __schedule+0xba6/0x1500 [ 213.344956][ T29] ? release_firmware_map_entry+0x190/0x190 [ 213.351308][ T29] ? _raw_spin_unlock_irq+0x4d/0x70 [ 213.356665][ T29] ? wq_worker_sleeping+0x1d9/0x280 [ 213.362271][ T29] schedule+0xbd/0x170 [ 213.366929][ T29] schedule_preempt_disabled+0x13/0x20 [ 213.372559][ T29] __mutex_lock+0x82f/0x1790 [ 213.379136][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 213.386391][ T29] ? update_load_avg+0x4bf/0x13f0 [ 213.391738][ T29] ? kvm_sched_clock_read+0x18/0x40 [ 213.397226][ T29] ? xfd_validate_state+0x70/0x150 [ 213.402655][ T29] ? save_fpregs_to_fpstate+0x192/0x220 [ 213.408694][ T29] __mutex_lock_slowpath+0xe/0x10 [ 213.414184][ T29] mutex_lock+0x10a/0x1b0 [ 213.419113][ T29] ? __cfi_mutex_lock+0x10/0x10 [ 213.424107][ T29] rtnl_lock+0x15/0x20 [ 213.428439][ T29] addrconf_dad_work+0xca/0x14d0 [ 213.433585][ T29] ? _raw_spin_unlock+0x4c/0x70 [ 213.438741][ T29] ? finish_task_switch+0x16b/0x7b0 [ 213.444595][ T29] ? __cfi_addrconf_dad_work+0x10/0x10 [ 213.450426][ T29] ? __schedule+0xbae/0x1500 [ 213.455080][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 213.460899][ T29] process_one_work+0x71f/0xc40 [ 213.465995][ T29] worker_thread+0xa29/0x11e0 [ 213.471052][ T29] ? __kthread_parkme+0x142/0x180 [ 213.476275][ T29] kthread+0x281/0x320 [ 213.480431][ T29] ? __cfi_worker_thread+0x10/0x10 [ 213.485950][ T29] ? __cfi_kthread+0x10/0x10 [ 213.490779][ T29] ret_from_fork+0x1f/0x30 [ 213.495445][ T29] [ 213.498841][ T29] NMI backtrace for cpu 0 [ 213.503453][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 [ 213.511073][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 213.521445][ T29] Call Trace: [ 213.524774][ T29] [ 213.527746][ T29] __dump_stack+0x21/0x24 [ 213.532144][ T29] dump_stack_lvl+0x110/0x170 [ 213.536873][ T29] ? __cfi_dump_stack_lvl+0x8/0x8 [ 213.541960][ T29] dump_stack+0x15/0x24 [ 213.546239][ T29] nmi_cpu_backtrace+0x2af/0x2c0 [ 213.551230][ T29] ? rcu_read_unlock_special+0xb2/0x440 [ 213.556816][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 213.562303][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0 [ 213.568581][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 213.574585][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 213.580676][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0 [ 213.586690][ T29] arch_trigger_cpumask_backtrace+0x10/0x20 [ 213.592606][ T29] watchdog+0xd68/0xeb0 [ 213.596796][ T29] ? __cfi_watchdog+0x10/0x10 [ 213.601561][ T29] ? __kasan_check_read+0x11/0x20 [ 213.606696][ T29] ? __kthread_parkme+0x142/0x180 [ 213.611873][ T29] kthread+0x281/0x320 [ 213.616097][ T29] ? __cfi_watchdog+0x10/0x10 [ 213.620812][ T29] ? __cfi_kthread+0x10/0x10 [ 213.625464][ T29] ret_from_fork+0x1f/0x30 [ 213.630088][ T29] [ 213.633208][ T29] Sending NMI from CPU 0 to CPUs 1: [ 213.638522][ C1] NMI backtrace for cpu 1 [ 213.638533][ C1] CPU: 1 PID: 533 Comm: syz.5.21 Not tainted syzkaller #0 [ 213.638550][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 213.638559][ C1] RIP: 0010:__sanitizer_cov_trace_switch+0xd2/0xe0 [ 213.638590][ C1] Code: 48 c1 e3 05 4c 8d 63 28 4d 39 fc 77 9d 49 ff c6 4d 89 33 49 89 4c 1b 08 4d 89 54 1b 10 49 89 7c 1b 18 49 89 54 1b 20 eb 81 5b <41> 5c 41 5e 41 5f 5d c3 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 [ 213.638604][ C1] RSP: 0018:ffffc90001766e60 EFLAGS: 00000246 [ 213.638620][ C1] RAX: 0000000000000002 RBX: ffff888108f2903c RCX: 0000000000000005 [ 213.638631][ C1] RDX: ffffffff84094504 RSI: ffffffff877a8320 RDI: 00000000fffffff1 [ 213.638644][ C1] RBP: ffffc90001766e78 R08: ffff888120335100 R09: 0000000000000002 [ 213.638656][ C1] R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000fffffff1 [ 213.638667][ C1] R13: ffff888108f290c8 R14: dffffc0000000000 R15: ffff888108f29000 [ 213.638680][ C1] FS: 00007feedda066c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 213.638701][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.638713][ C1] CR2: 00007fa8101e9e80 CR3: 0000000110333000 CR4: 00000000003506a0 [ 213.638728][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.638738][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.638749][ C1] Call Trace: [ 213.638754][ C1] [ 213.638760][ C1] qdisc_tree_reduce_backlog+0x64/0x360 [ 213.638781][ C1] fq_change+0xc4c/0x1240 [ 213.638806][ C1] ? ref_tracker_alloc+0x349/0x4a0 [ 213.638825][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 213.638842][ C1] ? qdisc_alloc+0x588/0x780 [ 213.638864][ C1] ? qdisc_create+0x17d/0x1180 [ 213.638881][ C1] ? tc_modify_qdisc+0x900/0x19d0 [ 213.638898][ C1] ? __cfi_fq_change+0x10/0x10 [ 213.638921][ C1] ? netlink_sendmsg+0x8b9/0xbd0 [ 213.638946][ C1] fq_init+0x3e3/0x5d0 [ 213.638969][ C1] ? __cfi_fq_init+0x10/0x10 [ 213.638991][ C1] qdisc_create+0x895/0x1180 [ 213.639010][ C1] ? qdisc_notify+0x360/0x360 [ 213.639028][ C1] ? qdisc_lookup+0x3a3/0x4e0 [ 213.639043][ C1] tc_modify_qdisc+0x900/0x19d0 [ 213.639063][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 213.639082][ C1] ? __mutex_lock_slowpath+0xe/0x10 [ 213.639099][ C1] ? mutex_lock+0x10a/0x1b0 [ 213.639114][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 213.639129][ C1] ? ns_capable+0x8c/0xf0 [ 213.639145][ C1] ? netlink_net_capable+0x125/0x160 [ 213.639162][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 213.639179][ C1] rtnetlink_rcv_msg+0xb3b/0xe00 [ 213.639197][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 213.639212][ C1] ? kernel_text_address+0xa0/0xd0 [ 213.639234][ C1] ? __kernel_text_address+0xd/0x30 [ 213.639255][ C1] ? avc_has_perm_noaudit+0x391/0x490 [ 213.639281][ C1] ? memcpy+0x56/0x70 [ 213.639298][ C1] ? avc_has_perm_noaudit+0x30b/0x490 [ 213.639323][ C1] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 213.639349][ C1] ? slab_post_alloc_hook+0x4f/0x2d0 [ 213.639374][ C1] ? avc_has_perm+0x163/0x250 [ 213.639397][ C1] ? __alloc_skb+0x236/0x4b0 [ 213.639416][ C1] ? netlink_sendmsg+0x635/0xbd0 [ 213.639436][ C1] ? ____sys_sendmsg+0x5cc/0x990 [ 213.639462][ C1] ? __cfi_avc_has_perm+0x10/0x10 [ 213.639487][ C1] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 213.639515][ C1] netlink_rcv_skb+0x20f/0x460 [ 213.639534][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 213.639550][ C1] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 213.639570][ C1] ? __netlink_lookup+0x387/0x3b0 [ 213.639592][ C1] rtnetlink_rcv+0x1c/0x20 [ 213.639606][ C1] netlink_unicast+0x8ab/0xa30 [ 213.639626][ C1] netlink_sendmsg+0x8b9/0xbd0 [ 213.639648][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 213.639668][ C1] ? __kasan_check_read+0x11/0x20 [ 213.639715][ C1] ? security_socket_sendmsg+0x93/0xb0 [ 213.639734][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 213.639754][ C1] ____sys_sendmsg+0x5cc/0x990 [ 213.639780][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 213.639805][ C1] ? import_iovec+0x7c/0xb0 [ 213.639830][ C1] ___sys_sendmsg+0x2a2/0x360 [ 213.639855][ C1] ? __sys_sendmsg+0x290/0x290 [ 213.639887][ C1] ? __fdget+0x19c/0x220 [ 213.639903][ C1] __x64_sys_sendmsg+0x205/0x2d0 [ 213.639928][ C1] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 213.639955][ C1] ? __kasan_check_write+0x14/0x20 [ 213.639970][ C1] ? fpregs_restore_userregs+0x128/0x260 [ 213.639991][ C1] ? switch_fpu_return+0xe/0x10 [ 213.640010][ C1] x64_sys_call+0x171/0x9a0 [ 213.640031][ C1] do_syscall_64+0x4c/0xa0 [ 213.640054][ C1] ? clear_bhb_loop+0x30/0x80 [ 213.640072][ C1] ? clear_bhb_loop+0x30/0x80 [ 213.640089][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 213.640106][ C1] RIP: 0033:0x7feedcb9c799 [ 213.640121][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 213.640135][ C1] RSP: 002b:00007feedda06028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 213.640153][ C1] RAX: ffffffffffffffda RBX: 00007feedce16090 RCX: 00007feedcb9c799 [ 213.640166][ C1] RDX: 0000000000000010 RSI: 0000200000001200 RDI: 0000000000000006 [ 213.640177][ C1] RBP: 00007feedcc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 213.640188][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 213.640198][ C1] R13: 00007feedce16128 R14: 00007feedce16090 R15: 00007ffd0e0f74d8 [ 213.640214][ C1] [ 353.333851][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 287s! [syz.5.21:533] [ 353.342076][ C1] Modules linked in: [ 353.346102][ C1] CPU: 1 PID: 533 Comm: syz.5.21 Not tainted syzkaller #0 [ 353.353211][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 353.364048][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 [ 353.370948][ C1] Code: 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 55 <48> 89 e5 48 8b 45 08 65 48 8b 15 b0 fd 90 7e 65 8b 0d b1 fd 90 7e [ 353.391097][ C1] RSP: 0018:ffffc90001766e78 EFLAGS: 00000246 [ 353.397246][ C1] RAX: ffff888108f29000 RBX: dffffc0000000000 RCX: ffff888120335100 [ 353.405327][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 353.413415][ C1] RBP: ffffc90001766ed0 R08: ffff888120335100 R09: 0000000000000002 [ 353.421443][ C1] R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000fffffff1 [ 353.429423][ C1] R13: ffff888108f29000 R14: ffff88811543cc00 R15: ffff888108f29040 [ 353.437412][ C1] FS: 00007feedda066c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 353.446447][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 353.453037][ C1] CR2: 00007fa8101e9e80 CR3: 0000000110333000 CR4: 00000000003506a0 [ 353.461212][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 353.469410][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 353.477543][ C1] Call Trace: [ 353.480918][ C1] [ 353.484115][ C1] ? qdisc_tree_reduce_backlog+0x127/0x360 [ 353.489941][ C1] fq_change+0xc4c/0x1240 [ 353.494442][ C1] ? ref_tracker_alloc+0x349/0x4a0 [ 353.499690][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 353.505828][ C1] ? qdisc_alloc+0x588/0x780 [ 353.510558][ C1] ? qdisc_create+0x17d/0x1180 [ 353.515386][ C1] ? tc_modify_qdisc+0x900/0x19d0 [ 353.520516][ C1] ? __cfi_fq_change+0x10/0x10 [ 353.525396][ C1] ? netlink_sendmsg+0x8b9/0xbd0 [ 353.530351][ C1] fq_init+0x3e3/0x5d0 [ 353.534439][ C1] ? __cfi_fq_init+0x10/0x10 [ 353.539134][ C1] qdisc_create+0x895/0x1180 [ 353.544001][ C1] ? qdisc_notify+0x360/0x360 [ 353.548855][ C1] ? qdisc_lookup+0x3a3/0x4e0 [ 353.553666][ C1] tc_modify_qdisc+0x900/0x19d0 [ 353.558608][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 353.563910][ C1] ? __mutex_lock_slowpath+0xe/0x10 [ 353.569193][ C1] ? mutex_lock+0x10a/0x1b0 [ 353.573725][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 353.578593][ C1] ? ns_capable+0x8c/0xf0 [ 353.582940][ C1] ? netlink_net_capable+0x125/0x160 [ 353.588313][ C1] ? __cfi_tc_modify_qdisc+0x10/0x10 [ 353.593701][ C1] rtnetlink_rcv_msg+0xb3b/0xe00 [ 353.598765][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 353.604312][ C1] ? kernel_text_address+0xa0/0xd0 [ 353.609626][ C1] ? __kernel_text_address+0xd/0x30 [ 353.614991][ C1] ? avc_has_perm_noaudit+0x391/0x490 [ 353.620755][ C1] ? memcpy+0x56/0x70 [ 353.624780][ C1] ? avc_has_perm_noaudit+0x30b/0x490 [ 353.630366][ C1] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 353.636117][ C1] ? slab_post_alloc_hook+0x4f/0x2d0 [ 353.641507][ C1] ? avc_has_perm+0x163/0x250 [ 353.646292][ C1] ? __alloc_skb+0x236/0x4b0 [ 353.651517][ C1] ? netlink_sendmsg+0x635/0xbd0 [ 353.656478][ C1] ? ____sys_sendmsg+0x5cc/0x990 [ 353.661430][ C1] ? __cfi_avc_has_perm+0x10/0x10 [ 353.666532][ C1] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 353.671959][ C1] netlink_rcv_skb+0x20f/0x460 [ 353.676918][ C1] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 353.682471][ C1] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 353.687867][ C1] ? __netlink_lookup+0x387/0x3b0 [ 353.692912][ C1] rtnetlink_rcv+0x1c/0x20 [ 353.697342][ C1] netlink_unicast+0x8ab/0xa30 [ 353.702119][ C1] netlink_sendmsg+0x8b9/0xbd0 [ 353.706888][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 353.712175][ C1] ? __kasan_check_read+0x11/0x20 [ 353.717208][ C1] ? security_socket_sendmsg+0x93/0xb0 [ 353.722720][ C1] ? __cfi_netlink_sendmsg+0x10/0x10 [ 353.728114][ C1] ____sys_sendmsg+0x5cc/0x990 [ 353.732916][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 353.737968][ C1] ? import_iovec+0x7c/0xb0 [ 353.742609][ C1] ___sys_sendmsg+0x2a2/0x360 [ 353.747315][ C1] ? __sys_sendmsg+0x290/0x290 [ 353.752576][ C1] ? __fdget+0x19c/0x220 [ 353.756829][ C1] __x64_sys_sendmsg+0x205/0x2d0 [ 353.762055][ C1] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 353.767648][ C1] ? __kasan_check_write+0x14/0x20 [ 353.772949][ C1] ? fpregs_restore_userregs+0x128/0x260 [ 353.778668][ C1] ? switch_fpu_return+0xe/0x10 [ 353.783540][ C1] x64_sys_call+0x171/0x9a0 [ 353.788235][ C1] do_syscall_64+0x4c/0xa0 [ 353.792782][ C1] ? clear_bhb_loop+0x30/0x80 [ 353.797582][ C1] ? clear_bhb_loop+0x30/0x80 [ 353.802323][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 353.808581][ C1] RIP: 0033:0x7feedcb9c799 [ 353.813018][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 [ 353.833075][ C1] RSP: 002b:00007feedda06028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 353.841861][ C1] RAX: ffffffffffffffda RBX: 00007feedce16090 RCX: 00007feedcb9c799 [ 353.850026][ C1] RDX: 0000000000000010 RSI: 0000200000001200 RDI: 0000000000000006 [ 353.858124][ C1] RBP: 00007feedcc32bd9 R08: 0000000000000000 R09: 0000000000000000 [ 353.866128][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 353.874431][ C1] R13: 00007feedce16128 R14: 00007feedce16090 R15: 00007ffd0e0f74d8 [ 353.882593][ C1] [ 353.886057][ C1] Sending NMI from CPU 1 to CPUs 0: [ 353.891974][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 [ 353.901720][ T28] audit: type=1400 audit(1774000332.867:109): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 353.927248][ T28] audit: type=1400 audit(1774000332.867:110): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 353.948948][ T28] audit: type=1400 audit(1774000332.867:111): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 353.970609][ T28] audit: type=1400 audit(1774000332.867:112): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 353.991559][ T28] audit: type=1400 audit(1774000332.867:113): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 354.012197][ T28] audit: type=1400 audit(1774000332.877:114): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 354.035626][ T28] audit: type=1400 audit(1774000332.877:115): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1