[ 74.449295][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.488269][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.530877][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 75.241904][ T9] device hsr_slave_0 left promiscuous mode
[ 75.248791][ T9] device hsr_slave_1 left promiscuous mode
[ 75.257844][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 75.266129][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 75.277789][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 75.286026][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 75.295505][ T9] device bridge_slave_1 left promiscuous mode
[ 75.302865][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.320268][ T9] device bridge_slave_0 left promiscuous mode
[ 75.329616][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.353304][ T9] device veth1_macvtap left promiscuous mode
[ 75.359791][ T9] device veth0_macvtap left promiscuous mode
[ 75.366326][ T9] device veth1_vlan left promiscuous mode
[ 75.373359][ T9] device veth0_vlan left promiscuous mode
[ 75.596969][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 75.610079][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 75.625482][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 75.639756][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 75.699898][ T9] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.1.129' (ED25519) to the list of known hosts.
2026/07/14 21:56:51 ignoring optional flag "type"="gce"
2026/07/14 21:56:52 parsed 1 programs
2026/07/14 21:56:53 executed programs: 0
[ 81.331929][ T4406] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 81.503164][ T4413] chnl_net:caif_netlink_parms(): no params data found
[ 81.550763][ T4413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 81.558925][ T4413] bridge0: port 1(bridge_slave_0) entered disabled state
[ 81.567339][ T4413] device bridge_slave_0 entered promiscuous mode
[ 81.575880][ T4413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 81.583279][ T4413] bridge0: port 2(bridge_slave_1) entered disabled state
[ 81.591115][ T4413] device bridge_slave_1 entered promiscuous mode
[ 81.613229][ T4413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 81.624635][ T4413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 81.649889][ T4413] team0: Port device team_slave_0 added
[ 81.658459][ T4413] team0: Port device team_slave_1 added
[ 81.678391][ T4413] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 81.685916][ T4413] 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.
[ 81.712660][ T4413] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 81.726163][ T4413] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 81.733489][ T4413] 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.
[ 81.760511][ T4413] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 81.792126][ T4413] device hsr_slave_0 entered promiscuous mode
[ 81.799462][ T4413] device hsr_slave_1 entered promiscuous mode
[ 82.345597][ T4413] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 82.357600][ T4413] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 82.368781][ T4413] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 82.379624][ T4413] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 82.407292][ T4413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.414931][ T4413] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 82.422383][ T4413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.429729][ T4413] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 82.491064][ T4413] 8021q: adding VLAN 0 to HW filter on device bond0
[ 82.511909][ T4413] 8021q: adding VLAN 0 to HW filter on device team0
[ 82.520301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 82.532557][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.547524][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.558455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 82.583921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 82.592975][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 82.601700][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.608903][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 82.618871][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 82.629065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 82.640239][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.647438][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 82.658655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 82.680551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 82.690417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 82.702047][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 82.716438][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 82.727032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 82.737580][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 82.756646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 82.766254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 82.775489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 82.784528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 82.797088][ T4413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 82.926043][ T1269] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 82.935500][ T1269] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 82.948700][ T4413] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 82.971763][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 82.982059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 83.006838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 83.016026][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 83.027352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 83.035754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 83.047013][ T4413] device veth0_vlan entered promiscuous mode
[ 83.059904][ T4413] device veth1_vlan entered promiscuous mode
[ 83.086000][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 83.094994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 83.104271][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 83.114094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 83.126207][ T4413] device veth0_macvtap entered promiscuous mode
[ 83.138528][ T4413] device veth1_macvtap entered promiscuous mode
[ 83.160772][ T4413] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 83.169610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 83.179344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 83.189510][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 83.198921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 83.214202][ T4413] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 83.222319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 83.234773][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 83.247722][ T4413] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.258446][ T4413] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.268486][ T4413] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.279466][ T4413] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.413729][ T23] Bluetooth: hci0: command 0x0409 tx timeout
[ 83.441195][ T4475] loop0: detected capacity change from 0 to 8192
[ 83.468962][ T4475] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal
[ 83.480403][ T4475] REISERFS (device loop0): using ordered data mode
[ 83.487160][ T4475] reiserfs: using flush barriers
[ 83.501756][ T4475] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[ 83.525374][ T4475] REISERFS (device loop0): checking transaction log (loop0)
[ 83.715521][ T4475] REISERFS (device loop0): Using r5 hash to sort names
[ 83.723854][ T4475] REISERFS (device loop0): using 3.5.x disk format
[ 83.736491][ T4475] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[ 83.750941][ T26] audit: type=1800 audit(1784066216.114:2): pid=4475 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="loop0" ino=2 res=0 errno=0
[ 83.799135][ T4475] ==================================================================
[ 83.807758][ T4475] BUG: KASAN: use-after-free in leaf_insert_into_buf+0x2ba/0xac0
[ 83.815558][ T4475] Read of size 480 at addr ffff8880687aee20 by task syz-executor.0/4475
[ 83.824048][ T4475]
[ 83.826518][ T4475] CPU: 0 PID: 4475 Comm: syz-executor.0 Not tainted syzkaller #0
[ 83.834366][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 83.844559][ T4475] Call Trace:
[ 83.850901][ T4475]
[ 83.854082][ T4475] dump_stack_lvl+0x188/0x250
[ 83.858827][ T4475] ? show_regs_print_info+0x20/0x20
[ 83.864126][ T4475] ? _printk+0xda/0x130
[ 83.868324][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 83.873932][ T4475] ? load_image+0x410/0x410
[ 83.878503][ T4475] print_address_description+0x60/0x2d0
[ 83.884243][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 83.889667][ T4475] kasan_report+0xdf/0x130
[ 83.894138][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 83.900041][ T4475] kasan_check_range+0x235/0x290
[ 83.905143][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 83.910669][ T4475] memmove+0x25/0x60
[ 83.914716][ T4475] leaf_insert_into_buf+0x2ba/0xac0
[ 83.919980][ T4475] leaf_item_bottle+0x946/0xff0
[ 83.924907][ T4475] ? leaf_copy_items_entirely+0xe60/0xe60
[ 83.931043][ T4475] leaf_move_items+0x9fd/0xe00
[ 83.935864][ T4475] ? reiserfs_convert_objectid_map_v1+0x4f0/0x4f0
[ 83.942557][ T4475] ? get_FEB+0x23e/0x320
[ 83.947070][ T4475] balance_leaf+0x738c/0x10ec0
[ 83.951927][ T4475] ? __find_get_block+0xcaa/0x10d0
[ 83.957092][ T4475] ? do_balance+0x930/0x930
[ 83.961757][ T4475] ? write_boundary_block+0x150/0x150
[ 83.967272][ T4475] ? __lock_acquire+0x7b50/0x7b50
[ 83.972435][ T4475] ? do_raw_spin_lock+0x128/0x2f0
[ 83.977526][ T4475] ? __getblk_gfp+0x9d4/0xb20
[ 83.982301][ T4475] ? get_empty_nodes+0x7d3/0x990
[ 83.987285][ T4475] ? indirect_check_left+0x17/0x30
[ 83.992572][ T4475] ? get_neighbors+0x1000/0x1000
[ 83.997576][ T4475] ? __wake_up_bit+0x120/0x120
[ 84.002498][ T4475] ? get_neighbors+0x98d/0x1000
[ 84.007491][ T4475] ? reiserfs_prepare_for_journal+0x269/0x280
[ 84.013620][ T4475] ? fix_nodes+0x7f2d/0x8720
[ 84.018589][ T4475] do_balance+0x318/0x930
[ 84.023015][ T4475] ? get_right_neighbor_position+0x210/0x210
[ 84.030282][ T4475] ? reiserfs_paste_into_item+0x3ba/0x7f0
[ 84.036146][ T4475] reiserfs_paste_into_item+0x744/0x7f0
[ 84.041757][ T4475] ? reiserfs_cut_from_item+0x1ff0/0x1ff0
[ 84.047633][ T4475] reiserfs_get_block+0x1c3d/0x4360
[ 84.053051][ T4475] ? make_le_item_head+0x510/0x510
[ 84.058217][ T4475] ? create_page_buffers+0x1c4/0x320
[ 84.063545][ T4475] ? reiserfs_setattr+0x3f5/0x10d0
[ 84.068705][ T4475] ? do_sys_ftruncate+0x31b/0x3d0
[ 84.073881][ T4475] ? verify_lock_unused+0x140/0x140
[ 84.079153][ T4475] ? lockdep_init_map_type+0x98/0x900
[ 84.084630][ T4475] ? do_raw_spin_unlock+0x11d/0x230
[ 84.090059][ T4475] ? create_page_buffers+0x238/0x320
[ 84.095398][ T4475] __block_write_begin_int+0x565/0x15d0
[ 84.101026][ T4475] ? make_le_item_head+0x510/0x510
[ 84.106185][ T4475] ? page_zero_new_buffers+0x490/0x490
[ 84.111688][ T4475] ? __mutex_lock_common+0x435/0x2400
[ 84.117136][ T4475] reiserfs_write_begin+0x353/0x820
[ 84.122392][ T4475] ? pagecache_write_begin+0x33/0xa0
[ 84.127736][ T4475] generic_cont_expand_simple+0xf0/0x1a0
[ 84.134391][ T4475] ? submit_bh+0x30/0x30
[ 84.138796][ T4475] ? setattr_prepare+0x1ed/0xd30
[ 84.143791][ T4475] ? mutex_lock_nested+0x17/0x20
[ 84.148802][ T4475] reiserfs_setattr+0x3f5/0x10d0
[ 84.153969][ T4475] ? reiserfs_commit_write+0x630/0x630
[ 84.159483][ T4475] ? ktime_get_coarse_real_ts64+0x106/0x120
[ 84.165442][ T4475] ? current_time+0x1d8/0x2c0
[ 84.170349][ T4475] ? atime_needs_update+0x770/0x770
[ 84.175606][ T4475] ? bpf_lsm_inode_setattr+0x5/0x10
[ 84.180985][ T4475] ? try_break_deleg+0x79/0x120
[ 84.185893][ T4475] ? reiserfs_commit_write+0x630/0x630
[ 84.191467][ T4475] notify_change+0xbc6/0xee0
[ 84.196413][ T4475] do_truncate+0x1ac/0x240
[ 84.201081][ T4475] ? rcu_lock_release+0x20/0x20
[ 84.205994][ T4475] ? rcu_read_lock_bh_held+0xf0/0xf0
[ 84.211353][ T4475] ? bpf_lsm_path_truncate+0x5/0x10
[ 84.216606][ T4475] do_sys_ftruncate+0x31b/0x3d0
[ 84.221518][ T4475] do_syscall_64+0x4c/0xa0
[ 84.226069][ T4475] ? clear_bhb_loop+0x30/0x80
[ 84.231645][ T4475] ? clear_bhb_loop+0x30/0x80
[ 84.236376][ T4475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.242422][ T4475] RIP: 0033:0x7f9842e4a079
[ 84.246888][ T4475] 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 d0 ff ff ff f7 d8 64 89 01 48
[ 84.267840][ T4475] RSP: 002b:00007f98421db0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
[ 84.276339][ T4475] RAX: ffffffffffffffda RBX: 00007f9842f88f80 RCX: 00007f9842e4a079
[ 84.284713][ T4475] RDX: 0000000000000000 RSI: 0000000002007fff RDI: 0000000000000005
[ 84.292913][ T4475] RBP: 00007f9842eab498 R08: 0000000000000000 R09: 0000000000000000
[ 84.301454][ T4475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 84.309579][ T4475] R13: 000000000000000b R14: 00007f9842f88f80 R15: 00007ffd00204c18
[ 84.317802][ T4475]
[ 84.320953][ T4475]
[ 84.323321][ T4475] The buggy address belongs to the page:
[ 84.329173][ T4475] page:ffffea0001a1eb80 refcount:1 mapcount:1 mapping:0000000000000000 index:0xc0 pfn:0x687ae
[ 84.339712][ T4475] memcg:ffff888016e7c000
[ 84.344092][ T4475] anon flags: 0xfff00000080014(uptodate|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff)
[ 84.353981][ T4475] raw: 00fff00000080014 ffffea0001a1e088 ffffea0001a1e888 ffff88801f966881
[ 84.363662][ T4475] raw: 00000000000000c0 0000000000000000 00000001ffffffff ffff888016e7c000
[ 84.372365][ T4475] page dumped because: kasan: bad access detected
[ 84.379022][ T4475] page_owner tracks the page as freed
[ 84.384741][ T4475] page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 4497, ts 84286822810, free_ts 84363921467
[ 84.399545][ T4475] get_page_from_freelist+0x24f6/0x2670
[ 84.405271][ T4475] __alloc_pages+0x1ee/0x480
[ 84.409944][ T4475] alloc_pages_vma+0x2bc/0x790
[ 84.414912][ T4475] wp_page_copy+0x252/0x2090
[ 84.419631][ T4475] handle_mm_fault+0x1fbd/0x4440
[ 84.424614][ T4475] do_user_addr_fault+0x494/0xc90
[ 84.429702][ T4475] exc_page_fault+0x60/0x100
[ 84.434426][ T4475] asm_exc_page_fault+0x22/0x30
[ 84.439503][ T4475] page last free stack trace:
[ 84.444295][ T4475] free_unref_page_prepare+0x637/0x6c0
[ 84.449901][ T4475] free_unref_page_list+0x119/0x830
[ 84.455360][ T4475] release_pages+0x185f/0x1bd0
[ 84.460186][ T4475] tlb_finish_mmu+0x1b4/0x370
[ 84.464943][ T4475] exit_mmap+0x3d0/0x640
[ 84.469243][ T4475] __mmput+0x115/0x390
[ 84.473392][ T4475] exit_mm+0x632/0x7b0
[ 84.477693][ T4475] do_exit+0x5b8/0x2110
[ 84.481879][ T4475] do_group_exit+0x12c/0x2f0
[ 84.486517][ T4475] __x64_sys_exit_group+0x3b/0x40
[ 84.491662][ T4475] do_syscall_64+0x4c/0xa0
[ 84.496118][ T4475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.502061][ T4475]
[ 84.504420][ T4475] Memory state around the buggy address:
[ 84.510262][ T4475] ffff8880687aed00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 84.518444][ T4475] ffff8880687aed80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 84.527133][ T4475] >ffff8880687aee00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 84.535580][ T4475] ^
[ 84.540719][ T4475] ffff8880687aee80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 84.549008][ T4475] ffff8880687aef00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 84.557088][ T4475] ==================================================================
[ 84.565651][ T4475] Disabling lock debugging due to kernel taint
[ 84.575158][ T26] audit: type=1800 audit(1784066216.164:3): pid=4475 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="loop0" ino=3 res=0 errno=0
[ 84.605770][ T4475] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 84.613156][ T4475] CPU: 1 PID: 4475 Comm: syz-executor.0 Tainted: G B syzkaller #0
[ 84.622468][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 84.632562][ T4475] Call Trace:
[ 84.635881][ T4475]
[ 84.638879][ T4475] dump_stack_lvl+0x188/0x250
[ 84.643612][ T4475] ? show_regs_print_info+0x20/0x20
[ 84.648974][ T4475] ? load_image+0x410/0x410
[ 84.653530][ T4475] panic+0x2f8/0x850
[ 84.657555][ T4475] ? bpf_jit_dump+0xd0/0xd0
[ 84.662099][ T4475] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 84.668315][ T4475] ? _raw_spin_unlock+0x40/0x40
[ 84.673216][ T4475] ? print_memory_metadata+0x314/0x400
[ 84.678951][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 84.684378][ T4475] check_panic_on_warn+0x80/0xa0
[ 84.689365][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 84.694975][ T4475] end_report+0x6d/0xf0
[ 84.699174][ T4475] kasan_report+0x102/0x130
[ 84.703719][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 84.709165][ T4475] kasan_check_range+0x235/0x290
[ 84.714318][ T4475] ? leaf_insert_into_buf+0x2ba/0xac0
[ 84.719906][ T4475] memmove+0x25/0x60
[ 84.723842][ T4475] leaf_insert_into_buf+0x2ba/0xac0
[ 84.729084][ T4475] leaf_item_bottle+0x946/0xff0
[ 84.734068][ T4475] ? leaf_copy_items_entirely+0xe60/0xe60
[ 84.739832][ T4475] leaf_move_items+0x9fd/0xe00
[ 84.744649][ T4475] ? reiserfs_convert_objectid_map_v1+0x4f0/0x4f0
[ 84.751385][ T4475] ? get_FEB+0x23e/0x320
[ 84.755775][ T4475] balance_leaf+0x738c/0x10ec0
[ 84.760638][ T4475] ? __find_get_block+0xcaa/0x10d0
[ 84.765881][ T4475] ? do_balance+0x930/0x930
[ 84.770452][ T4475] ? write_boundary_block+0x150/0x150
[ 84.776045][ T4475] ? __lock_acquire+0x7b50/0x7b50
[ 84.781157][ T4475] ? do_raw_spin_lock+0x128/0x2f0
[ 84.786236][ T4475] ? __getblk_gfp+0x9d4/0xb20
[ 84.791313][ T4475] ? get_empty_nodes+0x7d3/0x990
[ 84.796415][ T4475] ? indirect_check_left+0x17/0x30
[ 84.801726][ T4475] ? get_neighbors+0x1000/0x1000
[ 84.806713][ T4475] ? __wake_up_bit+0x120/0x120
[ 84.811613][ T4475] ? get_neighbors+0x98d/0x1000
[ 84.816515][ T4475] ? reiserfs_prepare_for_journal+0x269/0x280
[ 84.822843][ T4475] ? fix_nodes+0x7f2d/0x8720
[ 84.827513][ T4475] do_balance+0x318/0x930
[ 84.832159][ T4475] ? get_right_neighbor_position+0x210/0x210
[ 84.838615][ T4475] ? reiserfs_paste_into_item+0x3ba/0x7f0
[ 84.844468][ T4475] reiserfs_paste_into_item+0x744/0x7f0
[ 84.850067][ T4475] ? reiserfs_cut_from_item+0x1ff0/0x1ff0
[ 84.855873][ T4475] reiserfs_get_block+0x1c3d/0x4360
[ 84.861321][ T4475] ? make_le_item_head+0x510/0x510
[ 84.866603][ T4475] ? create_page_buffers+0x1c4/0x320
[ 84.872193][ T4475] ? reiserfs_setattr+0x3f5/0x10d0
[ 84.877349][ T4475] ? do_sys_ftruncate+0x31b/0x3d0
[ 84.882511][ T4475] ? verify_lock_unused+0x140/0x140
[ 84.887868][ T4475] ? lockdep_init_map_type+0x98/0x900
[ 84.893314][ T4475] ? do_raw_spin_unlock+0x11d/0x230
[ 84.898564][ T4475] ? create_page_buffers+0x238/0x320
[ 84.903980][ T4475] __block_write_begin_int+0x565/0x15d0
[ 84.909841][ T4475] ? make_le_item_head+0x510/0x510
[ 84.914995][ T4475] ? page_zero_new_buffers+0x490/0x490
[ 84.920864][ T4475] ? __mutex_lock_common+0x435/0x2400
[ 84.926325][ T4475] reiserfs_write_begin+0x353/0x820
[ 84.931665][ T4475] ? pagecache_write_begin+0x33/0xa0
[ 84.937007][ T4475] generic_cont_expand_simple+0xf0/0x1a0
[ 84.942858][ T4475] ? submit_bh+0x30/0x30
[ 84.947143][ T4475] ? setattr_prepare+0x1ed/0xd30
[ 84.952121][ T4475] ? mutex_lock_nested+0x17/0x20
[ 84.957289][ T4475] reiserfs_setattr+0x3f5/0x10d0
[ 84.962322][ T4475] ? reiserfs_commit_write+0x630/0x630
[ 84.967844][ T4475] ? ktime_get_coarse_real_ts64+0x106/0x120
[ 84.973822][ T4475] ? current_time+0x1d8/0x2c0
[ 84.978564][ T4475] ? atime_needs_update+0x770/0x770
[ 84.983822][ T4475] ? bpf_lsm_inode_setattr+0x5/0x10
[ 84.989158][ T4475] ? try_break_deleg+0x79/0x120
[ 84.994250][ T4475] ? reiserfs_commit_write+0x630/0x630
[ 84.999765][ T4475] notify_change+0xbc6/0xee0
[ 85.004410][ T4475] do_truncate+0x1ac/0x240
[ 85.008971][ T4475] ? rcu_lock_release+0x20/0x20
[ 85.013870][ T4475] ? rcu_read_lock_bh_held+0xf0/0xf0
[ 85.019213][ T4475] ? bpf_lsm_path_truncate+0x5/0x10
[ 85.024464][ T4475] do_sys_ftruncate+0x31b/0x3d0
[ 85.029458][ T4475] do_syscall_64+0x4c/0xa0
[ 85.033926][ T4475] ? clear_bhb_loop+0x30/0x80
[ 85.038652][ T4475] ? clear_bhb_loop+0x30/0x80
[ 85.043370][ T4475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.049302][ T4475] RIP: 0033:0x7f9842e4a079
[ 85.053854][ T4475] 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 d0 ff ff ff f7 d8 64 89 01 48
[ 85.074159][ T4475] RSP: 002b:00007f98421db0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
[ 85.082808][ T4475] RAX: ffffffffffffffda RBX: 00007f9842f88f80 RCX: 00007f9842e4a079
[ 85.090855][ T4475] RDX: 0000000000000000 RSI: 0000000002007fff RDI: 0000000000000005
[ 85.098931][ T4475] RBP: 00007f9842eab498 R08: 0000000000000000 R09: 0000000000000000
[ 85.107021][ T4475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.115120][ T4475] R13: 000000000000000b R14: 00007f9842f88f80 R15: 00007ffd00204c18
[ 85.123131][ T4475]
[ 85.126466][ T4475] Kernel Offset: disabled
[ 85.130956][ T4475] Rebooting in 86400 seconds..