Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 54.818316][ T3563] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 54.907224][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.922797][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.932780][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.943581][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 54.951727][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.960393][ T1245] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.990503][ T3569] loop0: detected capacity change from 0 to 512 [ 55.080802][ T3569] EXT4-fs (loop0): Cannot turn on journaled quota: type 0: error -2 [ 55.090286][ T3569] EXT4-fs error (device loop0): ext4_free_branches:1030: inode #13: comm syz-executor550: invalid indirect mapped block 8 (level 2) [ 55.105466][ T3569] EXT4-fs (loop0): Remounting filesystem read-only [ 55.112635][ T3569] EXT4-fs (loop0): 1 truncate cleaned up [ 55.118288][ T3569] EXT4-fs (loop0): mounted filesystem without journal. Opts: max_batch_time=0x0000000000008001,errors=continue,errors=remount-ro,minixdf,jqfmt=vfsv0,usrjquota=.smackfsfloor=ext4. Quota mode: writeback. [ 55.149657][ T3569] ================================================================== [ 55.157921][ T3569] BUG: KASAN: use-after-free in ext4_search_dir+0xee/0x1b0 [ 55.165428][ T3569] Read of size 1 at addr ffff888069487595 by task syz-executor550/3569 [ 55.173663][ T3569] [ 55.175985][ T3569] CPU: 1 PID: 3569 Comm: syz-executor550 Not tainted 5.15.167-syzkaller #0 [ 55.184559][ T3569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 55.194615][ T3569] Call Trace: [ 55.197974][ T3569] [ 55.201069][ T3569] dump_stack_lvl+0x1e3/0x2d0 [ 55.205741][ T3569] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 55.211362][ T3569] ? _printk+0xd1/0x120 [ 55.215514][ T3569] ? __wake_up_klogd+0xcc/0x100 [ 55.220455][ T3569] ? panic+0x860/0x860 [ 55.224516][ T3569] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 55.229979][ T3569] print_address_description+0x63/0x3b0 [ 55.235535][ T3569] ? ext4_search_dir+0xee/0x1b0 [ 55.240380][ T3569] kasan_report+0x16b/0x1c0 [ 55.244871][ T3569] ? ext4_search_dir+0xee/0x1b0 [ 55.249731][ T3569] ext4_search_dir+0xee/0x1b0 [ 55.254421][ T3569] ext4_find_inline_entry+0x4b6/0x5e0 [ 55.259810][ T3569] ? ext4_try_create_inline_dir+0x320/0x320 [ 55.265739][ T3569] ? reacquire_held_locks+0x660/0x660 [ 55.271135][ T3569] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 55.277022][ T3569] ? _raw_spin_unlock+0x40/0x40 [ 55.281867][ T3569] __ext4_find_entry+0x2b0/0x1b20 [ 55.286909][ T3569] ? ____kasan_kmalloc+0xba/0xf0 [ 55.291838][ T3569] ? ext4_ci_compare+0x660/0x660 [ 55.296858][ T3569] ? mark_lock+0x98/0x340 [ 55.301204][ T3569] ? __lock_acquire+0x1295/0x1ff0 [ 55.306223][ T3569] ? ext4_lookup+0x365/0xaa0 [ 55.310806][ T3569] ext4_lookup+0x3c6/0xaa0 [ 55.315239][ T3569] ? ext4_add_entry+0x12b0/0x12b0 [ 55.320257][ T3569] ? do_raw_spin_lock+0x14a/0x370 [ 55.325283][ T3569] ? _raw_spin_unlock+0x24/0x40 [ 55.330125][ T3569] ? d_alloc+0x194/0x1d0 [ 55.334361][ T3569] lookup_one_qstr_excl+0x117/0x240 [ 55.339552][ T3569] filename_create+0x293/0x530 [ 55.344321][ T3569] ? kern_path_create+0x180/0x180 [ 55.349338][ T3569] ? __virt_addr_valid+0x3bb/0x460 [ 55.354444][ T3569] do_mkdirat+0xb3/0x520 [ 55.358673][ T3569] ? vfs_mkdir+0x590/0x590 [ 55.363076][ T3569] ? getname_flags+0x1ec/0x4e0 [ 55.367833][ T3569] __x64_sys_mkdirat+0x85/0x90 [ 55.372587][ T3569] do_syscall_64+0x3b/0xb0 [ 55.376994][ T3569] ? clear_bhb_loop+0x15/0x70 [ 55.381660][ T3569] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.387548][ T3569] RIP: 0033:0x7fe49710d649 [ 55.391984][ T3569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 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 [ 55.411669][ T3569] RSP: 002b:00007fffa692cab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 55.420076][ T3569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe49710d649 [ 55.428151][ T3569] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000007 [ 55.436198][ T3569] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000003 [ 55.444157][ T3569] R10: 00000000000001be R11: 0000000000000246 R12: 00007fe497151218 [ 55.452147][ T3569] R13: 0000000000000000 R14: 431bde82d7b634db R15: 00007fffa692cb30 [ 55.460145][ T3569] [ 55.463152][ T3569] [ 55.465458][ T3569] The buggy address belongs to the page: [ 55.471082][ T3569] page:ffffea0001a521c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x69487 [ 55.481218][ T3569] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 55.488325][ T3569] raw: 00fff00000000000 ffffea0001a52208 ffffea0001a52188 0000000000000000 [ 55.496899][ T3569] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 55.505490][ T3569] page dumped because: kasan: bad access detected [ 55.511893][ T3569] page_owner tracks the page as freed [ 55.517261][ T3569] page last allocated via order 0, migratetype Movable, gfp_mask 0x8(__GFP_MOVABLE), pid 1, ts 14737508478, free_ts 15896594613 [ 55.530551][ T3569] split_map_pages+0x246/0x510 [ 55.535329][ T3569] isolate_freepages_range+0x47c/0x4e0 [ 55.540804][ T3569] alloc_contig_range+0xc2b/0xf90 [ 55.545817][ T3569] alloc_contig_pages+0x3ea/0x4e0 [ 55.550828][ T3569] debug_vm_pgtable_alloc_huge_page+0xb9/0x110 [ 55.556979][ T3569] init_args+0xc62/0xf50 [ 55.561208][ T3569] debug_vm_pgtable+0xaa/0x470 [ 55.565958][ T3569] do_one_initcall+0x22b/0x7a0 [ 55.570712][ T3569] do_initcall_level+0x157/0x210 [ 55.575635][ T3569] do_initcalls+0x49/0x90 [ 55.579960][ T3569] kernel_init_freeable+0x425/0x5c0 [ 55.585154][ T3569] kernel_init+0x19/0x290 [ 55.589477][ T3569] ret_from_fork+0x1f/0x30 [ 55.593896][ T3569] page last free stack trace: [ 55.598662][ T3569] free_unref_page_prepare+0xc34/0xcf0 [ 55.604129][ T3569] free_unref_page+0x95/0x2d0 [ 55.608806][ T3569] free_contig_range+0x95/0xf0 [ 55.613678][ T3569] destroy_args+0xfe/0x980 [ 55.618091][ T3569] debug_vm_pgtable+0x40d/0x470 [ 55.622930][ T3569] do_one_initcall+0x22b/0x7a0 [ 55.627687][ T3569] do_initcall_level+0x157/0x210 [ 55.632617][ T3569] do_initcalls+0x49/0x90 [ 55.636937][ T3569] kernel_init_freeable+0x425/0x5c0 [ 55.642126][ T3569] kernel_init+0x19/0x290 [ 55.646473][ T3569] ret_from_fork+0x1f/0x30 [ 55.650887][ T3569] [ 55.653198][ T3569] Memory state around the buggy address: [ 55.658828][ T3569] ffff888069487480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.666910][ T3569] ffff888069487500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.674965][ T3569] >ffff888069487580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.683034][ T3569] ^ [ 55.687609][ T3569] ffff888069487600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.695661][ T3569] ffff888069487680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.703712][ T3569] ================================================================== [ 55.711758][ T3569] Disabling lock debugging due to kernel taint [ 55.718280][ T3571] EXT4-fs error (device loop0): ext4_validate_block_bitmap:420: comm ext4lazyinit: bg 0: bad block bitmap checksum [ 55.718564][ T3569] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 55.737541][ T3569] CPU: 0 PID: 3569 Comm: syz-executor550 Tainted: G B 5.15.167-syzkaller #0 [ 55.738493][ T3571] EXT4-fs (loop0): Remounting filesystem read-only [ 55.747526][ T3569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 55.747539][ T3569] Call Trace: [ 55.747545][ T3569] [ 55.747553][ T3569] dump_stack_lvl+0x1e3/0x2d0 [ 55.747580][ T3569] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 55.747602][ T3569] ? panic+0x860/0x860 [ 55.747625][ T3569] ? preempt_schedule_common+0xa6/0xd0 [ 55.747647][ T3569] ? preempt_schedule+0xd9/0xe0 [ 55.747669][ T3569] panic+0x318/0x860 [ 55.747691][ T3569] ? check_panic_on_warn+0x1d/0xa0 [ 55.747715][ T3569] ? fb_is_primary_device+0xd0/0xd0 [ 55.809099][ T3569] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 55.815090][ T3569] ? _raw_spin_unlock+0x40/0x40 [ 55.819925][ T3569] ? print_memory_metadata+0xe2/0x140 [ 55.825287][ T3569] check_panic_on_warn+0x7e/0xa0 [ 55.830210][ T3569] ? ext4_search_dir+0xee/0x1b0 [ 55.835045][ T3569] end_report+0x6d/0xf0 [ 55.839183][ T3569] kasan_report+0x18e/0x1c0 [ 55.843672][ T3569] ? ext4_search_dir+0xee/0x1b0 [ 55.848510][ T3569] ext4_search_dir+0xee/0x1b0 [ 55.853174][ T3569] ext4_find_inline_entry+0x4b6/0x5e0 [ 55.858535][ T3569] ? ext4_try_create_inline_dir+0x320/0x320 [ 55.864414][ T3569] ? reacquire_held_locks+0x660/0x660 [ 55.869771][ T3569] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 55.875677][ T3569] ? _raw_spin_unlock+0x40/0x40 [ 55.880534][ T3569] __ext4_find_entry+0x2b0/0x1b20 [ 55.885553][ T3569] ? ____kasan_kmalloc+0xba/0xf0 [ 55.890474][ T3569] ? ext4_ci_compare+0x660/0x660 [ 55.895398][ T3569] ? mark_lock+0x98/0x340 [ 55.899711][ T3569] ? __lock_acquire+0x1295/0x1ff0 [ 55.904726][ T3569] ? ext4_lookup+0x365/0xaa0 [ 55.909305][ T3569] ext4_lookup+0x3c6/0xaa0 [ 55.913714][ T3569] ? ext4_add_entry+0x12b0/0x12b0 [ 55.918724][ T3569] ? do_raw_spin_lock+0x14a/0x370 [ 55.923754][ T3569] ? _raw_spin_unlock+0x24/0x40 [ 55.928604][ T3569] ? d_alloc+0x194/0x1d0 [ 55.932876][ T3569] lookup_one_qstr_excl+0x117/0x240 [ 55.938076][ T3569] filename_create+0x293/0x530 [ 55.942833][ T3569] ? kern_path_create+0x180/0x180 [ 55.948075][ T3569] ? __virt_addr_valid+0x3bb/0x460 [ 55.953196][ T3569] do_mkdirat+0xb3/0x520 [ 55.957430][ T3569] ? vfs_mkdir+0x590/0x590 [ 55.961831][ T3569] ? getname_flags+0x1ec/0x4e0 [ 55.966586][ T3569] __x64_sys_mkdirat+0x85/0x90 [ 55.971364][ T3569] do_syscall_64+0x3b/0xb0 [ 55.975781][ T3569] ? clear_bhb_loop+0x15/0x70 [ 55.980446][ T3569] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.986328][ T3569] RIP: 0033:0x7fe49710d649 [ 55.990748][ T3569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 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 [ 56.010450][ T3569] RSP: 002b:00007fffa692cab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 56.018863][ T3569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe49710d649 [ 56.026852][ T3569] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000007 [ 56.034847][ T3569] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000003 [ 56.042810][ T3569] R10: 00000000000001be R11: 0000000000000246 R12: 00007fe497151218 [ 56.050775][ T3569] R13: 0000000000000000 R14: 431bde82d7b634db R15: 00007fffa692cb30 [ 56.058741][ T3569] [ 56.061857][ T3569] Kernel Offset: disabled [ 56.066211][ T3569] Rebooting in 86400 seconds..