DUID 00:04:92:3d:a4:bf:d8:99:95:1d:d2:9f:0e:34:7d:20:a7:e6
forked to background, child pid 3177
[ 27.831405][ T3178] 8021q: adding VLAN 0 to HW filter on device bond0
[ 27.837247][ T3178] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts.
syzkaller login: [ 50.870142][ T3595] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 50.870919][ T3595] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 50.871391][ T3595] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 50.872374][ T3595] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 50.873191][ T3595] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 50.873458][ T3595] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 50.971086][ T3593] chnl_net:caif_netlink_parms(): no params data found
[ 51.009072][ T3593] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.009429][ T3593] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.010173][ T3593] device bridge_slave_0 entered promiscuous mode
[ 51.012287][ T3593] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.012355][ T3593] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.012938][ T3593] device bridge_slave_1 entered promiscuous mode
[ 51.055370][ T3593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 51.059603][ T3593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 51.084944][ T3593] team0: Port device team_slave_0 added
[ 51.086684][ T3593] team0: Port device team_slave_1 added
[ 51.104214][ T3593] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 51.104223][ T3593] 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.
[ 51.104238][ T3593] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 51.105614][ T3593] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 51.105622][ T3593] 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.
[ 51.105637][ T3593] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 51.196820][ T3593] device hsr_slave_0 entered promiscuous mode
[ 51.197544][ T3593] device hsr_slave_1 entered promiscuous mode
[ 51.277560][ T3593] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 51.280421][ T3593] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 51.282946][ T3593] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 51.284793][ T3593] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 51.304815][ T3593] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.304887][ T3593] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.305397][ T3593] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.305471][ T3593] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.355963][ T3593] 8021q: adding VLAN 0 to HW filter on device bond0
[ 51.364661][ T1143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 51.374481][ T1143] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.375615][ T1143] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.392110][ T1143] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 51.399139][ T3593] 8021q: adding VLAN 0 to HW filter on device team0
[ 51.411607][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 51.411915][ T23] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.412011][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.412241][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 51.412496][ T23] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.412525][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.443255][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 51.444000][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 51.450344][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 51.454917][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 51.460904][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 51.465456][ T3593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 51.480193][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 51.480319][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 51.490667][ T3593] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 51.619527][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 51.631280][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 51.632057][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 51.632902][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 51.638497][ T3593] device veth0_vlan entered promiscuous mode
[ 51.644241][ T3593] device veth1_vlan entered promiscuous mode
[ 51.664865][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 51.665481][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 51.666533][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 51.693518][ T3593] device veth0_macvtap entered promiscuous mode
[ 51.697220][ T3593] device veth1_macvtap entered promiscuous mode
[ 51.709004][ T3593] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 51.709189][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 51.711253][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 51.718326][ T3593] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 51.718596][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 51.722350][ T3593] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.722387][ T3593] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.722419][ T3593] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.722451][ T3593] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 51.816707][ T51] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.816726][ T51] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.820980][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 51.842466][ T51] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.842485][ T51] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.842485][ T51] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.843890][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 51.859082][ T3593] ==================================================================
[ 51.859093][ T3593] BUG: KASAN: use-after-free in mas_next_nentry+0x997/0xaa0
[ 51.859134][ T3593] Read of size 8 at addr ffff88807ba6ee18 by task syz-executor171/3593
[ 51.859153][ T3593]
[ 51.859157][ T3593] CPU: 0 PID: 3593 Comm: syz-executor171 Not tainted 5.18.0-rc4-next-20220427-syzkaller #0
[ 51.859180][ T3593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.859193][ T3593] Call Trace:
[ 51.859198][ T3593]
[ 51.859206][ T3593] dump_stack_lvl+0xcd/0x134
[ 51.859245][ T3593] print_address_description.constprop.0.cold+0xeb/0x495
[ 51.859289][ T3593] ? mas_next_nentry+0x997/0xaa0
[ 51.859310][ T3593] kasan_report.cold+0xf4/0x1c6
[ 51.859342][ T3593] ? mas_next_nentry+0x997/0xaa0
[ 51.859364][ T3593] mas_next_nentry+0x997/0xaa0
[ 51.859391][ T3593] mas_next+0x1eb/0xc40
[ 51.859417][ T3593] ? split_vma+0xa7/0xe0
[ 51.859440][ T3593] userfaultfd_ioctl+0x2527/0x40f0
[ 51.859479][ T3593] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80
[ 51.859509][ T3593] ? userfaultfd_read+0x1900/0x1900
[ 51.859541][ T3593] ? vfs_fileattr_set+0xbe0/0xbe0
[ 51.859578][ T3593] ? __context_tracking_exit+0xb8/0xe0
[ 51.859602][ T3593] ? set_bios_reboot+0x2/0x85
[ 51.859633][ T3593] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 51.859662][ T3593] ? userfaultfd_read+0x1900/0x1900
[ 51.859695][ T3593] __x64_sys_ioctl+0x193/0x200
[ 51.859725][ T3593] do_syscall_64+0x35/0xb0
[ 51.859755][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.859782][ T3593] RIP: 0033:0x7f482717a939
[ 51.859799][ T3593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.859820][ T3593] RSP: 002b:00007ffe56730338 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.859842][ T3593] RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 00007f482717a939
[ 51.859857][ T3593] RDX: 0000000020000040 RSI: 00000000c020aa00 RDI: 0000000000000003
[ 51.859871][ T3593] RBP: 00007ffe56730430 R08: 00007ffe56730392 R09: 00007ffe56730392
[ 51.859886][ T3593] R10: 00007ffe56730392 R11: 0000000000000246 R12: 00007ffe56730400
[ 51.859900][ T3593] R13: 00007f48271fe4e0 R14: 0000000000000003 R15: 00007ffe56730392
[ 51.859921][ T3593]
[ 51.859928][ T3593]
[ 51.859931][ T3593] Allocated by task 3592:
[ 51.859940][ T3593] kasan_save_stack+0x1e/0x40
[ 51.859973][ T3593] __kasan_slab_alloc+0x90/0xc0
[ 51.859992][ T3593] kmem_cache_alloc_bulk+0x39f/0x720
[ 51.860022][ T3593] mas_alloc_nodes+0x1df/0x6b0
[ 51.860039][ T3593] mas_node_count+0x101/0x130
[ 51.860057][ T3593] mas_wr_modify+0x2505/0x5ac0
[ 51.860077][ T3593] mas_wr_store_entry.isra.0+0x66e/0x10f0
[ 51.860100][ T3593] mas_store+0xac/0xf0
[ 51.860119][ T3593] dup_mmap+0x845/0x1030
[ 51.860141][ T3593] dup_mm+0x91/0x370
[ 51.860161][ T3593] copy_process+0x3b07/0x6fd0
[ 51.860183][ T3593] kernel_clone+0xe7/0xab0
[ 51.860205][ T3593] __do_sys_clone+0xc8/0x110
[ 51.860228][ T3593] do_syscall_64+0x35/0xb0
[ 51.860259][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.860283][ T3593]
[ 51.860287][ T3593] Freed by task 3593:
[ 51.860295][ T3593] kasan_save_stack+0x1e/0x40
[ 51.860326][ T3593] kasan_set_track+0x21/0x30
[ 51.860357][ T3593] kasan_set_free_info+0x20/0x30
[ 51.860378][ T3593] ____kasan_slab_free+0x166/0x1a0
[ 51.860410][ T3593] slab_free_freelist_hook+0x8b/0x1c0
[ 51.860439][ T3593] kmem_cache_free_bulk+0x2c0/0xb60
[ 51.860469][ T3593] mas_destroy+0x394/0x5c0
[ 51.860490][ T3593] mas_store_prealloc+0xec/0x150
[ 51.860511][ T3593] __vma_adjust+0x6ba/0x18f0
[ 51.860528][ T3593] __split_vma+0x443/0x530
[ 51.860546][ T3593] split_vma+0x9f/0xe0
[ 51.860564][ T3593] userfaultfd_ioctl+0x39f4/0x40f0
[ 51.860594][ T3593] __x64_sys_ioctl+0x193/0x200
[ 51.860620][ T3593] do_syscall_64+0x35/0xb0
[ 51.860647][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.860671][ T3593]
[ 51.860673][ T3593] The buggy address belongs to the object at ffff88807ba6ee00
[ 51.860673][ T3593] which belongs to the cache maple_node of size 256
[ 51.860690][ T3593] The buggy address is located 24 bytes inside of
[ 51.860690][ T3593] 256-byte region [ffff88807ba6ee00, ffff88807ba6ef00)
[ 51.860710][ T3593]
[ 51.860713][ T3593] The buggy address belongs to the physical page:
[ 51.860720][ T3593] page:ffffea0001ee9b80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ba6e
[ 51.860743][ T3593] head:ffffea0001ee9b80 order:1 compound_mapcount:0 compound_pincount:0
[ 51.860759][ T3593] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 51.860789][ T3593] raw: 00fff00000010200 ffffea0001ee2200 dead000000000003 ffff888010c4fdc0
[ 51.860808][ T3593] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 51.860819][ T3593] page dumped because: kasan: bad access detected
[ 51.860827][ T3593] page_owner tracks the page as allocated
[ 51.860832][ T3593] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3286, tgid 3286 (getty), ts 28458123403, free_ts 24209400427
[ 51.860870][ T3593] get_page_from_freelist+0xba2/0x3e00
[ 51.860894][ T3593] __alloc_pages+0x1b2/0x500
[ 51.860915][ T3593] alloc_pages+0x1aa/0x310
[ 51.860947][ T3593] allocate_slab+0x26c/0x3c0
[ 51.860973][ T3593] ___slab_alloc+0x985/0xd90
[ 51.861001][ T3593] __slab_alloc.constprop.0+0x4d/0xa0
[ 51.861031][ T3593] kmem_cache_alloc+0x360/0x3b0
[ 51.861060][ T3593] mas_alloc_nodes+0x377/0x6b0
[ 51.861078][ T3593] mas_preallocate+0xfb/0x270
[ 51.861098][ T3593] mmap_region+0x773/0x1c70
[ 51.861117][ T3593] do_mmap+0x825/0xf60
[ 51.861134][ T3593] vm_mmap_pgoff+0x1b7/0x290
[ 51.861160][ T3593] ksys_mmap_pgoff+0x40d/0x5a0
[ 51.861178][ T3593] do_syscall_64+0x35/0xb0
[ 51.861204][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.861228][ T3593] page last free stack trace:
[ 51.861233][ T3593] free_pcp_prepare+0x549/0xd20
[ 51.861255][ T3593] free_unref_page+0x19/0x6a0
[ 51.861276][ T3593] __unfreeze_partials+0x17c/0x1a0
[ 51.861304][ T3593] qlist_free_all+0x6a/0x170
[ 51.861326][ T3593] kasan_quarantine_reduce+0x180/0x200
[ 51.861351][ T3593] __kasan_slab_alloc+0xa2/0xc0
[ 51.861368][ T3593] kmem_cache_alloc+0x204/0x3b0
[ 51.861398][ T3593] getname_flags.part.0+0x50/0x4f0
[ 51.861420][ T3593] getname_flags+0x9a/0xe0
[ 51.861440][ T3593] vfs_fstatat+0x73/0xb0
[ 51.861464][ T3593] __do_sys_newfstatat+0x91/0x110
[ 51.861490][ T3593] do_syscall_64+0x35/0xb0
[ 51.861516][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.861541][ T3593]
[ 51.861543][ T3593] Memory state around the buggy address:
[ 51.861552][ T3593] ffff88807ba6ed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 51.861567][ T3593] ffff88807ba6ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 51.861581][ T3593] >ffff88807ba6ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.861591][ T3593] ^
[ 51.861601][ T3593] ffff88807ba6ee80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.861615][ T3593] ffff88807ba6ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 51.861625][ T3593] ==================================================================
[ 51.861634][ T3593] Kernel panic - not syncing: panic_on_warn set ...
[ 51.861644][ T3593] CPU: 0 PID: 3593 Comm: syz-executor171 Not tainted 5.18.0-rc4-next-20220427-syzkaller #0
[ 51.861667][ T3593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.861679][ T3593] Call Trace:
[ 51.861685][ T3593]
[ 51.861692][ T3593] dump_stack_lvl+0xcd/0x134
[ 51.861722][ T3593] panic+0x2d7/0x636
[ 51.861750][ T3593] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 51.861783][ T3593] ? mark_held_locks+0x9f/0xe0
[ 51.861819][ T3593] ? mas_next_nentry+0x997/0xaa0
[ 51.861842][ T3593] ? mas_next_nentry+0x997/0xaa0
[ 51.861864][ T3593] end_report.part.0+0x3f/0x7c
[ 51.861894][ T3593] kasan_report.cold+0x93/0x1c6
[ 51.861925][ T3593] ? mas_next_nentry+0x997/0xaa0
[ 51.861948][ T3593] mas_next_nentry+0x997/0xaa0
[ 51.861976][ T3593] mas_next+0x1eb/0xc40
[ 51.862002][ T3593] ? split_vma+0xa7/0xe0
[ 51.862024][ T3593] userfaultfd_ioctl+0x2527/0x40f0
[ 51.862061][ T3593] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80
[ 51.862092][ T3593] ? userfaultfd_read+0x1900/0x1900
[ 51.862125][ T3593] ? vfs_fileattr_set+0xbe0/0xbe0
[ 51.862161][ T3593] ? __context_tracking_exit+0xb8/0xe0
[ 51.862185][ T3593] ? set_bios_reboot+0x2/0x85
[ 51.862215][ T3593] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 51.862244][ T3593] ? userfaultfd_read+0x1900/0x1900
[ 51.862284][ T3593] __x64_sys_ioctl+0x193/0x200
[ 51.862315][ T3593] do_syscall_64+0x35/0xb0
[ 51.862344][ T3593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.862371][ T3593] RIP: 0033:0x7f482717a939
[ 51.862387][ T3593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.862408][ T3593] RSP: 002b:00007ffe56730338 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.862429][ T3593] RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 00007f482717a939
[ 51.862444][ T3593] RDX: 0000000020000040 RSI: 00000000c020aa00 RDI: 0000000000000003
[ 51.862458][ T3593] RBP: 00007ffe56730430 R08: 00007ffe56730392 R09: 00007ffe56730392
[ 51.862474][ T3593] R10: 00007ffe56730392 R11: 0000000000000246 R12: 00007ffe56730400
[ 51.862488][ T3593] R13: 00007f48271fe4e0 R14: 0000000000000003 R15: 00007ffe56730392
[ 51.862510][ T3593]
[ 51.866728][ T3593] Kernel Offset: disabled