[   46.732511][ T4675] dhcpcd-run-hook (4675) used greatest stack depth: 22288 bytes left
forked to background, child pid 4671
[   49.004425][ T4672] 8021q: adding VLAN 0 to HW filter on device bond0
[   49.014652][ T4672] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts.
syzkaller login: [   73.890312][ T5002] chnl_net:caif_netlink_parms(): no params data found
[   73.945549][ T5002] bridge0: port 1(bridge_slave_0) entered blocking state
[   73.953144][ T5002] bridge0: port 1(bridge_slave_0) entered disabled state
[   73.960785][ T5002] bridge_slave_0: entered allmulticast mode
[   73.967763][ T5002] bridge_slave_0: entered promiscuous mode
[   73.976917][ T5002] bridge0: port 2(bridge_slave_1) entered blocking state
[   73.984101][ T5002] bridge0: port 2(bridge_slave_1) entered disabled state
[   73.991249][ T5002] bridge_slave_1: entered allmulticast mode
[   73.998199][ T5002] bridge_slave_1: entered promiscuous mode
[   74.022733][ T5002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   74.034859][ T5002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   74.062335][ T5002] team0: Port device team_slave_0 added
[   74.070451][ T5002] team0: Port device team_slave_1 added
[   74.092173][ T5002] batman_adv: batadv0: Adding interface: batadv_slave_0
[   74.099342][ T5002] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   74.125300][ T5002] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   74.138486][ T5002] batman_adv: batadv0: Adding interface: batadv_slave_1
[   74.145477][ T5002] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   74.171514][ T5002] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   74.208220][ T5002] hsr_slave_0: entered promiscuous mode
[   74.215138][ T5002] hsr_slave_1: entered promiscuous mode
[   74.328635][ T5002] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   74.340373][ T5002] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   74.351628][ T5002] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   74.362064][ T5002] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   74.387411][ T5002] bridge0: port 2(bridge_slave_1) entered blocking state
[   74.394697][ T5002] bridge0: port 2(bridge_slave_1) entered forwarding state
[   74.402549][ T5002] bridge0: port 1(bridge_slave_0) entered blocking state
[   74.409702][ T5002] bridge0: port 1(bridge_slave_0) entered forwarding state
[   74.466419][ T5002] 8021q: adding VLAN 0 to HW filter on device bond0
[   74.479624][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   74.490907][   T22] bridge0: port 1(bridge_slave_0) entered disabled state
[   74.499799][   T22] bridge0: port 2(bridge_slave_1) entered disabled state
[   74.508200][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   74.526096][ T5002] 8021q: adding VLAN 0 to HW filter on device team0
[   74.546523][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   74.555137][   T22] bridge0: port 1(bridge_slave_0) entered blocking state
[   74.562218][   T22] bridge0: port 1(bridge_slave_0) entered forwarding state
[   74.570324][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   74.579099][   T22] bridge0: port 2(bridge_slave_1) entered blocking state
[   74.586373][   T22] bridge0: port 2(bridge_slave_1) entered forwarding state
[   74.601761][ T4749] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   74.610809][ T4749] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   74.630658][ T5002] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   74.644732][ T5002] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   74.657370][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   74.666329][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   74.676022][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   74.686053][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   74.705945][ T4749] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   74.713392][ T4749] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   74.728620][ T5002] 8021q: adding VLAN 0 to HW filter on device batadv0
[   74.755678][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   74.771757][ T5002] veth0_vlan: entered promiscuous mode
[   74.779060][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   74.789126][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   74.797391][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   74.811097][ T5002] veth1_vlan: entered promiscuous mode
[   74.835430][ T5002] veth0_macvtap: entered promiscuous mode
[   74.842215][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   74.850537][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   74.859028][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   74.868372][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   74.880305][ T5002] veth1_macvtap: entered promiscuous mode
[   74.897514][ T5002] batman_adv: batadv0: Interface activated: batadv_slave_0
[   74.907736][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   74.916633][ T1126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   74.927486][ T5002] batman_adv: batadv0: Interface activated: batadv_slave_1
[   74.935257][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   74.945063][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
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[   74.957025][ T5002] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   74.966073][ T5002] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   74.980432][ T5002] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   74.989489][ T5002] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
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[   86.013787][    C1] ==================================================================
[   86.021920][    C1] BUG: KASAN: slab-use-after-free in decode_session6+0x103f/0x1890
[   86.029858][    C1] Read of size 1 at addr ffff88802bead0e7 by task syz-executor299/7191
[   86.038105][    C1] 
[   86.040437][    C1] CPU: 1 PID: 7191 Comm: syz-executor299 Not tainted 6.4.0-rc6-syzkaller-00224-g9a43827e876c #0
[   86.050856][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[   86.060919][    C1] Call Trace:
[   86.064211][    C1]  <IRQ>
[   86.067074][    C1]  dump_stack_lvl+0xd9/0x150
[   86.071677][    C1]  print_address_description.constprop.0+0x2c/0x3c0
[   86.078295][    C1]  ? decode_session6+0x103f/0x1890
[   86.083438][    C1]  kasan_report+0x11c/0x130
[   86.087969][    C1]  ? decode_session6+0x103f/0x1890
[   86.093116][    C1]  decode_session6+0x103f/0x1890
[   86.098082][    C1]  ? mark_lock.part.0+0xee/0x1970
[   86.103135][    C1]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[   86.109143][    C1]  ? print_usage_bug.part.0+0x660/0x660
[   86.114729][    C1]  __xfrm_decode_session+0x54/0xb0
[   86.119889][    C1]  xfrmi_xmit+0x173/0x1ca0
[   86.124348][    C1]  ? skb_crc32c_csum_help+0x80/0x80
[   86.129566][    C1]  ? get_random_u16+0x3bf/0x7d0
[   86.134439][    C1]  ? xfrmi4_err+0x700/0x700
[   86.138988][    C1]  dev_hard_start_xmit+0x187/0x700
[   86.144122][    C1]  sch_direct_xmit+0x1a3/0xc30
[   86.148908][    C1]  ? dev_watchdog+0x8b0/0x8b0
[   86.153612][    C1]  __qdisc_run+0x510/0x1780
[   86.158142][    C1]  __dev_queue_xmit+0x2215/0x3b10
[   86.163187][    C1]  ? print_usage_bug.part.0+0x660/0x660
[   86.168763][    C1]  ? netdev_core_pick_tx+0x390/0x390
[   86.174075][    C1]  ? find_held_lock+0x2d/0x110
[   86.178866][    C1]  ? ip6_finish_output2+0x55a/0x1560
[   86.184180][    C1]  ? lock_downgrade+0x690/0x690
[   86.189060][    C1]  ? mark_held_locks+0x9f/0xe0
[   86.193853][    C1]  ? neigh_connected_output+0x41c/0x550
[   86.199432][    C1]  neigh_connected_output+0x3c2/0x550
[   86.204841][    C1]  ip6_finish_output2+0x55a/0x1560
[   86.209984][    C1]  ip6_finish_output+0x69a/0x1170
[   86.215050][    C1]  ip6_output+0x1f1/0x540
[   86.219413][    C1]  ndisc_send_skb+0xa63/0x1850
[   86.224201][    C1]  ? ndisc_ifinfo_sysctl_change+0x610/0x610
[   86.230121][    C1]  ? skb_dump+0x1473/0x14b0
[   86.234646][    C1]  ? ndisc_net_init+0x230/0x230
[   86.239509][    C1]  ? __alloc_skb+0x1c4/0x330
[   86.244121][    C1]  ? skb_set_owner_w+0x29e/0x450
[   86.249089][    C1]  ndisc_send_rs+0x132/0x6f0
[   86.253700][    C1]  addrconf_rs_timer+0x3f1/0x870
[   86.258673][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   86.263636][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   86.268597][    C1]  call_timer_fn+0x1a0/0x580
[   86.273208][    C1]  ? msleep_interruptible+0x180/0x180
[   86.278600][    C1]  ? lock_downgrade+0x690/0x690
[   86.283488][    C1]  ? mark_held_locks+0x9f/0xe0
[   86.288279][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   86.293236][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[   86.298463][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   86.303462][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   86.308419][    C1]  expire_timers+0x29b/0x4b0
[   86.313034][    C1]  run_timer_softirq+0x326/0x910
[   86.317996][    C1]  ? expire_timers+0x4b0/0x4b0
[   86.322781][    C1]  ? kvm_clock_read+0x14/0x30
[   86.327498][    C1]  ? mark_held_locks+0x9f/0xe0
[   86.332292][    C1]  __do_softirq+0x1d4/0x905
[   86.336834][    C1]  __irq_exit_rcu+0x114/0x190
[   86.341535][    C1]  irq_exit_rcu+0x9/0x20
[   86.345805][    C1]  sysvec_apic_timer_interrupt+0x97/0xc0
[   86.351467][    C1]  </IRQ>
[   86.354427][    C1]  <TASK>
[   86.357370][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[   86.363381][    C1] RIP: 0010:stack_trace_consume_entry+0x5c/0x160
[   86.369737][    C1] Code: 48 8d 7b 08 8b 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e a5 00 00 00 31 c0 <3b> 6b 08 0f 83 81 00 00 00 48 8d 7b 0c 48 b8 00 00 00 00 00 fc ff
[   86.389366][    C1] RSP: 0018:ffffc9000de57648 EFLAGS: 00000246
[   86.395448][    C1] RAX: 0000000000000000 RBX: ffffc9000de57720 RCX: 0000000000000000
[   86.403433][    C1] RDX: 1ffff92001bcaee5 RSI: ffffffff81caebfe RDI: ffffc9000de57728
[   86.411413][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc9000de578e0
[   86.419399][    C1] R10: ffffc9000de57668 R11: 0000000000094001 R12: ffffc9000de57720
[   86.427380][    C1] R13: 0000000000000000 R14: ffff888079c78000 R15: 0000001406ce6869
[   86.435362][    C1]  ? free_unref_page_prepare+0x62e/0xcb0
[   86.441020][    C1]  ? unwind_get_return_address+0x55/0xa0
[   86.446667][    C1]  ? write_profile+0x450/0x450
[   86.451472][    C1]  arch_stack_walk+0x71/0xf0
[   86.456082][    C1]  ? free_unref_page_prepare+0x62e/0xcb0
[   86.461746][    C1]  stack_trace_save+0x90/0xc0
[   86.466450][    C1]  ? filter_irq_stacks+0x90/0x90
[   86.471417][    C1]  save_stack+0x151/0x1e0
[   86.475761][    C1]  ? register_early_stack+0xb0/0xb0
[   86.480984][    C1]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[   86.486993][    C1]  ? mark_lock.part.0+0xee/0x1970
[   86.492055][    C1]  __reset_page_owner+0x56/0x170
[   86.497100][    C1]  ? uncharge_batch+0x2c3/0x560
[   86.501982][    C1]  free_unref_page_prepare+0x62e/0xcb0
[   86.507490][    C1]  ? __mem_cgroup_uncharge_list+0xe9/0x140
[   86.513318][    C1]  free_unref_page_list+0xe3/0xa70
[   86.518465][    C1]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[   86.524314][    C1]  release_pages+0xcd8/0x1380
[   86.529018][    C1]  ? put_pages_list+0x540/0x540
[   86.533892][    C1]  ? lock_downgrade+0x690/0x690
[   86.538770][    C1]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[   86.544615][    C1]  folio_batch_move_lru+0x2b7/0x400
[   86.549863][    C1]  ? lru_move_tail_fn+0xfa0/0xfa0
[   86.554916][    C1]  ? release_pages+0x1380/0x1380
[   86.559887][    C1]  lru_add_drain_cpu+0x56f/0x850
[   86.564856][    C1]  lru_add_drain+0x10c/0x440
[   86.569479][    C1]  exit_mmap+0x163/0x930
[   86.573754][    C1]  ? do_vma_munmap+0xa0/0xa0
[   86.578382][    C1]  ? ioctx_alloc+0x23c0/0x23c0
[   86.583167][    C1]  ? find_held_lock+0x2d/0x110
[   86.587960][    C1]  __mmput+0x128/0x4c0
[   86.592055][    C1]  mmput+0x60/0x70
[   86.595801][    C1]  do_exit+0x9b0/0x29b0
[   86.599985][    C1]  ? lock_downgrade+0x690/0x690
[   86.604863][    C1]  ? do_raw_spin_lock+0x124/0x2b0
[   86.609916][    C1]  ? mm_update_next_owner+0x7b0/0x7b0
[   86.615309][    C1]  ? spin_bug+0x1c0/0x1c0
[   86.619675][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[   86.624902][    C1]  do_group_exit+0xd4/0x2a0
[   86.629441][    C1]  __x64_sys_exit_group+0x3e/0x50
[   86.634482][    C1]  do_syscall_64+0x39/0xb0
[   86.638915][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   86.644844][    C1] RIP: 0033:0x7fc8e73f68f9
[   86.649271][    C1] Code: Unable to access opcode bytes at 0x7fc8e73f68cf.
[   86.656296][    C1] RSP: 002b:00007ffdf16edfa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   86.664728][    C1] RAX: ffffffffffffffda RBX: 00007fc8e7471410 RCX: 00007fc8e73f68f9
[   86.672718][    C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   86.680701][    C1] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
[   86.688693][    C1] R10: 000000000000000d R11: 0000000000000246 R12: 00007fc8e7471410
[   86.697196][    C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   86.705182][    C1]  </TASK>
[   86.708208][    C1] 
[   86.710535][    C1] Allocated by task 4989:
[   86.714881][    C1]  kasan_save_stack+0x22/0x40
[   86.719587][    C1]  kasan_set_track+0x25/0x30
[   86.724197][    C1]  __kasan_slab_alloc+0x7f/0x90
[   86.729073][    C1]  kmem_cache_alloc_bulk+0x424/0x860
[   86.734381][    C1]  mas_alloc_nodes+0x332/0x880
[   86.739165][    C1]  mas_preallocate+0x1bb/0x360
[   86.743968][    C1]  mmap_region+0x84c/0x28d0
[   86.748505][    C1]  do_mmap+0x831/0xf60
[   86.752971][    C1]  vm_mmap_pgoff+0x1a2/0x3b0
[   86.757604][    C1]  ksys_mmap_pgoff+0x41f/0x5a0
[   86.762402][    C1]  do_syscall_64+0x39/0xb0
[   86.766851][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   86.772781][    C1] 
[   86.775109][    C1] Freed by task 4989:
[   86.779093][    C1]  kasan_save_stack+0x22/0x40
[   86.783805][    C1]  kasan_set_track+0x25/0x30
[   86.788427][    C1]  kasan_save_free_info+0x2e/0x40
[   86.793475][    C1]  ____kasan_slab_free+0x160/0x1c0
[   86.798617][    C1]  slab_free_freelist_hook+0x8b/0x1c0
[   86.804011][    C1]  kmem_cache_free_bulk.part.0+0x20c/0x680
[   86.809846][    C1]  mas_destroy+0x440/0xbd0
[   86.814291][    C1]  mas_store_prealloc+0xf0/0x150
[   86.819255][    C1]  mmap_region+0xb70/0x28d0
[   86.823783][    C1]  do_mmap+0x831/0xf60
[   86.827871][    C1]  vm_mmap_pgoff+0x1a2/0x3b0
[   86.832492][    C1]  ksys_mmap_pgoff+0x41f/0x5a0
[   86.837282][    C1]  do_syscall_64+0x39/0xb0
[   86.841707][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   86.847632][    C1] 
[   86.849958][    C1] The buggy address belongs to the object at ffff88802bead000
[   86.849958][    C1]  which belongs to the cache maple_node of size 256
[   86.863933][    C1] The buggy address is located 231 bytes inside of
[   86.863933][    C1]  freed 256-byte region [ffff88802bead000, ffff88802bead100)
[   86.877745][    C1] 
[   86.880078][    C1] The buggy address belongs to the physical page:
[   86.886502][    C1] page:ffffea0000afab00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2beac
[   86.896752][    C1] head:ffffea0000afab00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   86.905707][    C1] anon flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[   86.914127][    C1] page_type: 0xffffffff()
[   86.918467][    C1] raw: 00fff00000010200 ffff888012e4d000 0000000000000000 dead000000000001
[   86.927065][    C1] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[   86.935653][    C1] page dumped because: kasan: bad access detected
[   86.942067][    C1] page_owner tracks the page as allocated
[   86.947787][    C1] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4689, tgid 4689 (dhcpcd-run-hook), ts 47252293254, free_ts 44022283595
[   86.969433][    C1]  post_alloc_hook+0x2db/0x350
[   86.974226][    C1]  get_page_from_freelist+0xf41/0x2c00
[   86.979733][    C1]  __alloc_pages+0x1cb/0x4a0
[   86.984355][    C1]  alloc_pages+0x1aa/0x270
[   86.988796][    C1]  allocate_slab+0x25f/0x390
[   86.993406][    C1]  ___slab_alloc+0xa91/0x1400
[   86.998109][    C1]  kmem_cache_alloc_bulk+0x270/0x860
[   87.003418][    C1]  mas_alloc_nodes+0x332/0x880
[   87.008204][    C1]  mas_preallocate+0x1bb/0x360
[   87.013012][    C1]  __split_vma+0x1b7/0x830
[   87.017453][    C1]  do_vmi_align_munmap+0x400/0x1580
[   87.022690][    C1]  do_vmi_munmap+0x26e/0x2c0
[   87.027304][    C1]  mmap_region+0x1f0/0x28d0
[   87.031839][    C1]  do_mmap+0x831/0xf60
[   87.035929][    C1]  vm_mmap_pgoff+0x1a2/0x3b0
[   87.040561][    C1]  ksys_mmap_pgoff+0x41f/0x5a0
[   87.045345][    C1] page last free stack trace:
[   87.050015][    C1]  free_unref_page_prepare+0x62e/0xcb0
[   87.055500][    C1]  free_unref_page+0x33/0x370
[   87.060204][    C1]  qlist_free_all+0x6a/0x170
[   87.064810][    C1]  kasan_quarantine_reduce+0x195/0x220
[   87.070290][    C1]  __kasan_slab_alloc+0x63/0x90
[   87.075165][    C1]  __kmem_cache_alloc_node+0x17c/0x320
[   87.080646][    C1]  __kmalloc_node+0x51/0x1a0
[   87.085245][    C1]  kvmalloc_node+0xa2/0x1a0
[   87.089777][    C1]  seq_read_iter+0x7fb/0x12d0
[   87.094496][    C1]  kernfs_fop_read_iter+0x4ce/0x690
[   87.099722][    C1]  vfs_read+0x4b1/0x8a0
[   87.103913][    C1]  ksys_read+0x12b/0x250
[   87.108167][    C1]  do_syscall_64+0x39/0xb0
[   87.112597][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   87.118520][    C1] 
[   87.120852][    C1] Memory state around the buggy address:
[   87.126491][    C1]  ffff88802beacf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   87.134564][    C1]  ffff88802bead000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   87.142634][    C1] >ffff88802bead080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   87.150700][    C1]                                                        ^
[   87.157983][    C1]  ffff88802bead100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   87.166052][    C1]  ffff88802bead180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   87.174119][    C1] ==================================================================
[   87.182290][    C1] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   87.189502][    C1] CPU: 1 PID: 7191 Comm: syz-executor299 Not tainted 6.4.0-rc6-syzkaller-00224-g9a43827e876c #0
[   87.199942][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[   87.210015][    C1] Call Trace:
[   87.213311][    C1]  <IRQ>
[   87.216176][    C1]  dump_stack_lvl+0xd9/0x150
[   87.220846][    C1]  panic+0x686/0x730
[   87.224790][    C1]  ? panic_smp_self_stop+0xa0/0xa0
[   87.230034][    C1]  ? asm_common_interrupt+0x26/0x40
[   87.235298][    C1]  check_panic_on_warn+0xb1/0xc0
[   87.240276][    C1]  end_report+0xe9/0x120
[   87.244562][    C1]  ? decode_session6+0x103f/0x1890
[   87.249730][    C1]  kasan_report+0xf9/0x130
[   87.254216][    C1]  ? decode_session6+0x103f/0x1890
[   87.259403][    C1]  decode_session6+0x103f/0x1890
[   87.264389][    C1]  ? mark_lock.part.0+0xee/0x1970
[   87.269456][    C1]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[   87.275488][    C1]  ? print_usage_bug.part.0+0x660/0x660
[   87.281082][    C1]  __xfrm_decode_session+0x54/0xb0
[   87.286251][    C1]  xfrmi_xmit+0x173/0x1ca0
[   87.290729][    C1]  ? skb_crc32c_csum_help+0x80/0x80
[   87.295970][    C1]  ? get_random_u16+0x3bf/0x7d0
[   87.300859][    C1]  ? xfrmi4_err+0x700/0x700
[   87.305427][    C1]  dev_hard_start_xmit+0x187/0x700
[   87.310582][    C1]  sch_direct_xmit+0x1a3/0xc30
[   87.315383][    C1]  ? dev_watchdog+0x8b0/0x8b0
[   87.320091][    C1]  __qdisc_run+0x510/0x1780
[   87.324642][    C1]  __dev_queue_xmit+0x2215/0x3b10
[   87.329711][    C1]  ? print_usage_bug.part.0+0x660/0x660
[   87.335308][    C1]  ? netdev_core_pick_tx+0x390/0x390
[   87.340638][    C1]  ? find_held_lock+0x2d/0x110
[   87.345435][    C1]  ? ip6_finish_output2+0x55a/0x1560
[   87.350766][    C1]  ? lock_downgrade+0x690/0x690
[   87.355663][    C1]  ? mark_held_locks+0x9f/0xe0
[   87.360486][    C1]  ? neigh_connected_output+0x41c/0x550
[   87.366083][    C1]  neigh_connected_output+0x3c2/0x550
[   87.371509][    C1]  ip6_finish_output2+0x55a/0x1560
[   87.376670][    C1]  ip6_finish_output+0x69a/0x1170
[   87.381752][    C1]  ip6_output+0x1f1/0x540
[   87.386123][    C1]  ndisc_send_skb+0xa63/0x1850
[   87.390929][    C1]  ? ndisc_ifinfo_sysctl_change+0x610/0x610
[   87.396858][    C1]  ? skb_dump+0x1473/0x14b0
[   87.401401][    C1]  ? ndisc_net_init+0x230/0x230
[   87.406280][    C1]  ? __alloc_skb+0x1c4/0x330
[   87.410913][    C1]  ? skb_set_owner_w+0x29e/0x450
[   87.415905][    C1]  ndisc_send_rs+0x132/0x6f0
[   87.420528][    C1]  addrconf_rs_timer+0x3f1/0x870
[   87.425503][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   87.430484][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   87.435459][    C1]  call_timer_fn+0x1a0/0x580
[   87.440084][    C1]  ? msleep_interruptible+0x180/0x180
[   87.445493][    C1]  ? lock_downgrade+0x690/0x690
[   87.450399][    C1]  ? mark_held_locks+0x9f/0xe0
[   87.455240][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   87.460213][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[   87.465450][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   87.470415][    C1]  ? ipv6_get_lladdr+0x4f0/0x4f0
[   87.475381][    C1]  expire_timers+0x29b/0x4b0
[   87.480002][    C1]  run_timer_softirq+0x326/0x910
[   87.484974][    C1]  ? expire_timers+0x4b0/0x4b0
[   87.489770][    C1]  ? kvm_clock_read+0x14/0x30
[   87.494493][    C1]  ? mark_held_locks+0x9f/0xe0
[   87.499313][    C1]  __do_softirq+0x1d4/0x905
[   87.503864][    C1]  __irq_exit_rcu+0x114/0x190
[   87.508577][    C1]  irq_exit_rcu+0x9/0x20
[   87.512859][    C1]  sysvec_apic_timer_interrupt+0x97/0xc0
[   87.518532][    C1]  </IRQ>
[   87.521506][    C1]  <TASK>
[   87.524457][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[   87.530490][    C1] RIP: 0010:stack_trace_consume_entry+0x5c/0x160
[   87.536855][    C1] Code: 48 8d 7b 08 8b 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e a5 00 00 00 31 c0 <3b> 6b 08 0f 83 81 00 00 00 48 8d 7b 0c 48 b8 00 00 00 00 00 fc ff
[   87.556492][    C1] RSP: 0018:ffffc9000de57648 EFLAGS: 00000246
[   87.562588][    C1] RAX: 0000000000000000 RBX: ffffc9000de57720 RCX: 0000000000000000
[   87.570597][    C1] RDX: 1ffff92001bcaee5 RSI: ffffffff81caebfe RDI: ffffc9000de57728
[   87.578599][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc9000de578e0
[   87.586611][    C1] R10: ffffc9000de57668 R11: 0000000000094001 R12: ffffc9000de57720
[   87.594609][    C1] R13: 0000000000000000 R14: ffff888079c78000 R15: 0000001406ce6869
[   87.602616][    C1]  ? free_unref_page_prepare+0x62e/0xcb0
[   87.608307][    C1]  ? unwind_get_return_address+0x55/0xa0
[   87.613979][    C1]  ? write_profile+0x450/0x450
[   87.618789][    C1]  arch_stack_walk+0x71/0xf0
[   87.623422][    C1]  ? free_unref_page_prepare+0x62e/0xcb0
[   87.629105][    C1]  stack_trace_save+0x90/0xc0
[   87.633844][    C1]  ? filter_irq_stacks+0x90/0x90
[   87.638829][    C1]  save_stack+0x151/0x1e0
[   87.643193][    C1]  ? register_early_stack+0xb0/0xb0
[   87.648430][    C1]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[   87.654461][    C1]  ? mark_lock.part.0+0xee/0x1970
[   87.659539][    C1]  __reset_page_owner+0x56/0x170
[   87.664516][    C1]  ? uncharge_batch+0x2c3/0x560
[   87.669413][    C1]  free_unref_page_prepare+0x62e/0xcb0
[   87.674923][    C1]  ? __mem_cgroup_uncharge_list+0xe9/0x140
[   87.680766][    C1]  free_unref_page_list+0xe3/0xa70
[   87.685926][    C1]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[   87.691786][    C1]  release_pages+0xcd8/0x1380
[   87.696508][    C1]  ? put_pages_list+0x540/0x540
[   87.701396][    C1]  ? lock_downgrade+0x690/0x690
[   87.706291][    C1]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[   87.712151][    C1]  folio_batch_move_lru+0x2b7/0x400
[   87.717420][    C1]  ? lru_move_tail_fn+0xfa0/0xfa0
[   87.722521][    C1]  ? release_pages+0x1380/0x1380
[   87.727508][    C1]  lru_add_drain_cpu+0x56f/0x850
[   87.732501][    C1]  lru_add_drain+0x10c/0x440
[   87.737219][    C1]  exit_mmap+0x163/0x930
[   87.741489][    C1]  ? do_vma_munmap+0xa0/0xa0
[   87.746200][    C1]  ? ioctx_alloc+0x23c0/0x23c0
[   87.750990][    C1]  ? find_held_lock+0x2d/0x110
[   87.755787][    C1]  __mmput+0x128/0x4c0
[   87.759878][    C1]  mmput+0x60/0x70
[   87.763620][    C1]  do_exit+0x9b0/0x29b0
[   87.767793][    C1]  ? lock_downgrade+0x690/0x690
[   87.772673][    C1]  ? do_raw_spin_lock+0x124/0x2b0
[   87.777726][    C1]  ? mm_update_next_owner+0x7b0/0x7b0
[   87.783115][    C1]  ? spin_bug+0x1c0/0x1c0
[   87.787485][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[   87.792716][    C1]  do_group_exit+0xd4/0x2a0
[   87.797236][    C1]  __x64_sys_exit_group+0x3e/0x50
[   87.802271][    C1]  do_syscall_64+0x39/0xb0
[   87.806701][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   87.812625][    C1] RIP: 0033:0x7fc8e73f68f9
[   87.817053][    C1] Code: Unable to access opcode bytes at 0x7fc8e73f68cf.
[   87.824085][    C1] RSP: 002b:00007ffdf16edfa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   87.832512][    C1] RAX: ffffffffffffffda RBX: 00007fc8e7471410 RCX: 00007fc8e73f68f9
[   87.840494][    C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   87.848476][    C1] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
[   87.856462][    C1] R10: 000000000000000d R11: 0000000000000246 R12: 00007fc8e7471410
[   87.864449][    C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   87.872436][    C1]  </TASK>
[   87.875702][    C1] Kernel Offset: disabled
[   87.880060][    C1] Rebooting in 86400 seconds..