Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. 2026/07/28 07:58:31 parsed 1 programs [ 76.319344][ T3351] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 80.100248][ T3405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.109938][ T3405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.119990][ T3405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.129076][ T3405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.120149][ T3405] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.130072][ T3405] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.139320][ T3405] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.148284][ T3405] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.641727][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.680621][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.740899][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.826858][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.972946][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.982055][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.996659][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 88.038864][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.048439][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.058361][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/07/28 07:58:45 executed programs: 0 [ 92.012154][ T4026] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 92.021888][ T4026] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 92.033837][ T4026] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 92.043159][ T4026] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 100.400777][ T4026] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.409949][ T4026] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.419241][ T4026] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.428296][ T4026] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.806153][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.815617][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.826136][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.840790][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.849430][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.857315][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/07/28 07:58:57 executed programs: 2 [ 101.060965][ T4777] loop2: detected capacity change from 0 to 32768 [ 101.078788][ T4777] [ 101.078788][ T4777] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 101.078788][ T4777] [ 101.093518][ T4777] read_mapping_page failed! [ 101.098580][ T4777] ERROR: (device loop2): txCommit: [ 101.098580][ T4777] [ 101.106903][ T4777] read_mapping_page failed! [ 101.111687][ T4777] ERROR: (device loop2): txCommit: [ 101.111687][ T4777] [ 101.129184][ T4777] ================================================================== [ 101.137301][ T4777] BUG: KASAN: slab-out-of-bounds in dtSplitPage+0x1064/0x30b0 [ 101.145190][ T4777] Read of size 1 at addr ffff88806e3f9b95 by task syz.2.17/4777 [ 101.153110][ T4777] [ 101.155565][ T4777] CPU: 1 PID: 4777 Comm: syz.2.17 Not tainted syzkaller #0 [ 101.163325][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.173684][ T4777] Call Trace: [ 101.177169][ T4777] [ 101.180108][ T4777] dump_stack_lvl+0x199/0x25e [ 101.184858][ T4777] ? __lock_acquire+0xb60/0xb60 [ 101.190089][ T4777] ? show_regs_print_info+0x12/0x12 [ 101.195315][ T4777] ? load_image+0x680/0x680 [ 101.200052][ T4777] ? _raw_spin_lock_irqsave+0xae/0xf0 [ 101.205446][ T4777] ? __virt_addr_valid+0x168/0x380 [ 101.210781][ T4777] ? __virt_addr_valid+0x2c3/0x380 [ 101.216004][ T4777] ? dtSplitPage+0x1064/0x30b0 [ 101.220781][ T4777] print_report+0xa8/0x210 [ 101.225327][ T4777] kasan_report+0x10b/0x140 [ 101.229832][ T4777] ? dtSplitPage+0x1064/0x30b0 [ 101.234794][ T4777] dtSplitPage+0x1064/0x30b0 [ 101.239564][ T4777] ? dbAlloc+0x765/0xad0 [ 101.243804][ T4777] dtInsert+0x1010/0x57e0 [ 101.248232][ T4777] ? __kmem_cache_free+0xb6/0x200 [ 101.253368][ T4777] ? UniStrupr+0x2e0/0x2e0 [ 101.257955][ T4777] ? dtSearch+0x1b1d/0x1f30 [ 101.262477][ T4777] jfs_symlink+0x873/0xf80 [ 101.267110][ T4777] ? jfs_unlink+0x9f0/0x9f0 [ 101.271635][ T4777] ? from_kgid+0x14f/0x6a0 [ 101.276314][ T4777] ? make_kgid+0x650/0x650 [ 101.280725][ T4777] ? apparmor_path_symlink+0x1a7/0x230 [ 101.286354][ T4777] ? lookup_one_qstr_excl+0x11c/0x240 [ 101.292631][ T4777] ? generic_permission+0x220/0x510 [ 101.298203][ T4777] ? inode_permission+0xef/0x480 [ 101.303588][ T4777] ? security_inode_symlink+0xb2/0x100 [ 101.309543][ T4777] vfs_symlink+0x245/0x3d0 [ 101.314142][ T4777] do_symlinkat+0x1b6/0x400 [ 101.318739][ T4777] ? vfs_symlink+0x3d0/0x3d0 [ 101.323522][ T4777] ? getname_flags+0x206/0x500 [ 101.328461][ T4777] __x64_sys_symlink+0x7a/0x90 [ 101.333480][ T4777] do_syscall_64+0x4c/0xa0 [ 101.338286][ T4777] ? clear_bhb_loop+0x60/0xb0 [ 101.343056][ T4777] ? clear_bhb_loop+0x60/0xb0 [ 101.347818][ T4777] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 101.353804][ T4777] RIP: 0033:0x7faab1d9a379 [ 101.358484][ T4777] 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 [ 101.378749][ T4777] RSP: 002b:00007faab1bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 [ 101.387591][ T4777] RAX: ffffffffffffffda RBX: 00007faab1fd5fa0 RCX: 00007faab1d9a379 [ 101.395908][ T4777] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000200000000080 [ 101.404330][ T4777] RBP: 00007faab1e2dd68 R08: 0000000000000000 R09: 0000000000000000 [ 101.412725][ T4777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.421322][ T4777] R13: 00007faab1fd6038 R14: 00007faab1fd5fa0 R15: 00007ffee6523c58 [ 101.429569][ T4777] [ 101.432673][ T4777] [ 101.435181][ T4777] The buggy address belongs to the object at ffff88806e3f9b90 [ 101.435181][ T4777] which belongs to the cache jfs_ip of size 2224 [ 101.449483][ T4777] The buggy address is located 5 bytes inside of [ 101.449483][ T4777] 2224-byte region [ffff88806e3f9b90, ffff88806e3fa440) [ 101.463302][ T4777] [ 101.466027][ T4777] The buggy address belongs to the physical page: [ 101.472923][ T4777] page:ffffea0001b8fe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6e3f8 [ 101.484031][ T4777] head:ffffea0001b8fe00 order:3 compound_mapcount:0 compound_pincount:0 [ 101.493140][ T4777] memcg:ffff888065cc4901 [ 101.497452][ T4777] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 101.505611][ T4777] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff8881436ba000 [ 101.515149][ T4777] raw: 0000000000000000 00000000800d000d 00000001ffffffff ffff888065cc4901 [ 101.524070][ T4777] page dumped because: kasan: bad access detected [ 101.530741][ T4777] page_owner tracks the page as allocated [ 101.537225][ T4777] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 4777, tgid 4776 (syz.2.17), ts 101069491953, free_ts 94328018096 [ 101.562559][ T4777] post_alloc_hook+0x260/0x290 [ 101.567864][ T4777] get_page_from_freelist+0x2ce7/0x2e30 [ 101.574144][ T4777] __alloc_pages+0x1ec/0x430 [ 101.579094][ T4777] alloc_slab_page+0x5d/0x180 [ 101.585657][ T4777] new_slab+0x70/0x250 [ 101.590444][ T4777] ___slab_alloc+0x9d2/0xe40 [ 101.595912][ T4777] kmem_cache_alloc_lru+0xfa/0x2a0 [ 101.601036][ T4777] jfs_alloc_inode+0x24/0x60 [ 101.606240][ T4777] new_inode_pseudo+0x5f/0x1c0 [ 101.611123][ T4777] new_inode+0x25/0x1d0 [ 101.615472][ T4777] jfs_fill_super+0x38f/0xab0 [ 101.620837][ T4777] mount_bdev+0x267/0x380 [ 101.625614][ T4777] legacy_get_tree+0xe6/0x180 [ 101.630647][ T4777] vfs_get_tree+0x89/0x1b0 [ 101.635265][ T4777] do_new_mount+0x244/0x940 [ 101.640128][ T4777] __se_sys_mount+0x328/0x3a0 [ 101.645000][ T4777] page last free stack trace: [ 101.649832][ T4777] free_unref_page_prepare+0x821/0x940 [ 101.655745][ T4777] free_unref_page+0x2e/0x3a0 [ 101.660613][ T4777] qlist_free_all+0x76/0xe0 [ 101.665235][ T4777] kasan_quarantine_reduce+0x144/0x160 [ 101.671257][ T4777] __kasan_slab_alloc+0x1e/0x80 [ 101.676122][ T4777] slab_post_alloc_hook+0x4d/0x400 [ 101.681842][ T4777] __kmem_cache_alloc_node+0x193/0x250 [ 101.687573][ T4777] kmalloc_trace+0x26/0xc0 [ 101.691990][ T4777] load_elf_binary+0x1f64/0x2820 [ 101.697099][ T4777] bprm_execve+0x7e9/0x14f0 [ 101.701943][ T4777] do_execveat_common+0x91d/0xa90 [ 101.707132][ T4777] __x64_sys_execve+0x8e/0xa0 [ 101.712591][ T4777] do_syscall_64+0x4c/0xa0 [ 101.717696][ T4777] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 101.723795][ T4777] [ 101.726199][ T4777] Memory state around the buggy address: [ 101.732566][ T4777] ffff88806e3f9a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 101.741596][ T4777] ffff88806e3f9b00: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.750108][ T4777] >ffff88806e3f9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.758335][ T4777] ^ [ 101.763190][ T4777] ffff88806e3f9c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.771422][ T4777] ffff88806e3f9c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.780337][ T4777] ================================================================== [ 101.790338][ T4777] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 101.798633][ T4777] Kernel Offset: disabled [ 101.803258][ T4777] Rebooting in 86400 seconds..