Warning: Permanently added '10.128.1.81' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.556011][ T5694] ================================================================== [ 69.564118][ T5694] BUG: KASAN: slab-use-after-free in __list_del_entry_valid_or_report+0x198/0x1b0 [ 69.573364][ T5694] Read of size 8 at addr ffff88801ee45048 by task syz-executor924/5694 [ 69.581616][ T5694] [ 69.583947][ T5694] CPU: 0 PID: 5694 Comm: syz-executor924 Not tainted 6.6.0-syzkaller-14263-gaea6bf908d73 #0 [ 69.594031][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 69.604106][ T5694] Call Trace: [ 69.607403][ T5694] [ 69.610346][ T5694] dump_stack_lvl+0xd9/0x1b0 [ 69.614968][ T5694] print_report+0xc4/0x620 [ 69.619405][ T5694] ? __virt_addr_valid+0x5e/0x2d0 [ 69.624456][ T5694] ? __phys_addr+0xc6/0x140 [ 69.628989][ T5694] kasan_report+0xda/0x110 [ 69.633429][ T5694] ? __list_del_entry_valid_or_report+0x198/0x1b0 [ 69.639877][ T5694] ? __list_del_entry_valid_or_report+0x198/0x1b0 [ 69.646336][ T5694] __list_del_entry_valid_or_report+0x198/0x1b0 [ 69.652633][ T5694] ptp_release+0xc4/0x2b0 [ 69.656993][ T5694] ? ptp_open+0x4f0/0x4f0 [ 69.661346][ T5694] posix_clock_release+0xa4/0x160 [ 69.666415][ T5694] ? posix_clock_register+0x1e0/0x1e0 [ 69.671810][ T5694] __fput+0x270/0xbb0 [ 69.675811][ T5694] task_work_run+0x14d/0x240 [ 69.680411][ T5694] ? task_work_cancel+0x30/0x30 [ 69.685268][ T5694] ? do_raw_spin_unlock+0x173/0x230 [ 69.690473][ T5694] do_exit+0xa92/0x2ae0 [ 69.694649][ T5694] ? do_group_exit+0x1c5/0x2a0 [ 69.699416][ T5694] ? reacquire_held_locks+0x4b0/0x4b0 [ 69.704791][ T5694] ? do_raw_spin_lock+0x12e/0x2b0 [ 69.709820][ T5694] ? mm_update_next_owner+0x840/0x840 [ 69.715213][ T5694] ? spin_bug+0x1d0/0x1d0 [ 69.719548][ T5694] do_group_exit+0xd4/0x2a0 [ 69.724057][ T5694] __x64_sys_exit_group+0x3e/0x50 [ 69.729087][ T5694] do_syscall_64+0x3f/0x110 [ 69.733595][ T5694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 69.739495][ T5694] RIP: 0033:0x7f21d6ac2c39 [ 69.743901][ T5694] Code: Unable to access opcode bytes at 0x7f21d6ac2c0f. [ 69.750907][ T5694] RSP: 002b:00007ffc89c37a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.759487][ T5694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21d6ac2c39 [ 69.767476][ T5694] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 69.775460][ T5694] RBP: 00007f21d6b3d290 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 69.783446][ T5694] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21d6b3d290 [ 69.791423][ T5694] R13: 0000000000000000 R14: 00007f21d6b3dd00 R15: 00007f21d6a93dc0 [ 69.799432][ T5694] [ 69.802453][ T5694] [ 69.804767][ T5694] Allocated by task 5691: [ 69.809101][ T5694] kasan_save_stack+0x33/0x50 [ 69.813792][ T5694] kasan_set_track+0x25/0x30 [ 69.818397][ T5694] __kasan_kmalloc+0xa2/0xb0 [ 69.822988][ T5694] ptp_open+0xe3/0x4f0 [ 69.827050][ T5694] posix_clock_open+0x17e/0x240 [ 69.831904][ T5694] chrdev_open+0x26d/0x6e0 [ 69.836315][ T5694] do_dentry_open+0x8d4/0x18d0 [ 69.841090][ T5694] path_openat+0x1d4e/0x2c40 [ 69.845760][ T5694] do_filp_open+0x1de/0x430 [ 69.850255][ T5694] do_sys_openat2+0x176/0x1e0 [ 69.854929][ T5694] __x64_sys_openat+0x175/0x210 [ 69.859775][ T5694] do_syscall_64+0x3f/0x110 [ 69.864273][ T5694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 69.870167][ T5694] [ 69.872480][ T5694] Freed by task 5691: [ 69.876448][ T5694] kasan_save_stack+0x33/0x50 [ 69.881211][ T5694] kasan_set_track+0x25/0x30 [ 69.885799][ T5694] kasan_save_free_info+0x2b/0x40 [ 69.890819][ T5694] ____kasan_slab_free+0x15b/0x1b0 [ 69.895925][ T5694] slab_free_freelist_hook+0x114/0x1e0 [ 69.901377][ T5694] __kmem_cache_free+0xc0/0x180 [ 69.906220][ T5694] ptp_release+0x204/0x2b0 [ 69.910632][ T5694] posix_clock_release+0xa4/0x160 [ 69.915659][ T5694] __fput+0x270/0xbb0 [ 69.919653][ T5694] task_work_run+0x14d/0x240 [ 69.924244][ T5694] do_exit+0xa92/0x2ae0 [ 69.928399][ T5694] do_group_exit+0xd4/0x2a0 [ 69.932903][ T5694] __x64_sys_exit_group+0x3e/0x50 [ 69.937929][ T5694] do_syscall_64+0x3f/0x110 [ 69.942427][ T5694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 69.948322][ T5694] [ 69.950643][ T5694] The buggy address belongs to the object at ffff88801ee44000 [ 69.950643][ T5694] which belongs to the cache kmalloc-8k of size 8192 [ 69.964692][ T5694] The buggy address is located 4168 bytes inside of [ 69.964692][ T5694] freed 8192-byte region [ffff88801ee44000, ffff88801ee46000) [ 69.978653][ T5694] [ 69.980967][ T5694] The buggy address belongs to the physical page: [ 69.987366][ T5694] page:ffffea00007b9000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1ee40 [ 69.997510][ T5694] head:ffffea00007b9000 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 70.006446][ T5694] flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 70.014502][ T5694] page_type: 0xffffffff() [ 70.018826][ T5694] raw: 00fff00000000840 ffff888013042280 dead000000000122 0000000000000000 [ 70.027402][ T5694] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 70.035969][ T5694] page dumped because: kasan: bad access detected [ 70.042363][ T5694] page_owner tracks the page as allocated [ 70.048150][ T5694] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5693, tgid 5693 (syz-executor924), ts 69537399970, free_ts 69440222902 [ 70.069768][ T5694] post_alloc_hook+0x2cf/0x340 [ 70.074534][ T5694] get_page_from_freelist+0xa25/0x36c0 [ 70.079993][ T5694] __alloc_pages+0x1d0/0x4a0 [ 70.084590][ T5694] alloc_pages_mpol+0x258/0x5f0 [ 70.089480][ T5694] allocate_slab+0x251/0x380 [ 70.094064][ T5694] ___slab_alloc+0x8c7/0x1580 [ 70.098744][ T5694] __slab_alloc.constprop.0+0x56/0xa0 [ 70.104111][ T5694] __kmem_cache_alloc_node+0x131/0x310 [ 70.109572][ T5694] kmalloc_trace+0x25/0xe0 [ 70.113986][ T5694] ptp_open+0xe3/0x4f0 [ 70.118047][ T5694] posix_clock_open+0x17e/0x240 [ 70.122900][ T5694] chrdev_open+0x26d/0x6e0 [ 70.127313][ T5694] do_dentry_open+0x8d4/0x18d0 [ 70.132159][ T5694] path_openat+0x1d4e/0x2c40 [ 70.136745][ T5694] do_filp_open+0x1de/0x430 [ 70.141243][ T5694] do_sys_openat2+0x176/0x1e0 [ 70.145914][ T5694] page last free stack trace: [ 70.150571][ T5694] free_unref_page_prepare+0x4f8/0xa90 [ 70.156025][ T5694] free_unref_page+0x33/0x3b0 [ 70.160697][ T5694] __unfreeze_partials+0x21d/0x240 [ 70.165803][ T5694] qlist_free_all+0x6a/0x170 [ 70.170391][ T5694] kasan_quarantine_reduce+0x18e/0x1d0 [ 70.175848][ T5694] __kasan_slab_alloc+0x65/0x90 [ 70.180693][ T5694] kmem_cache_alloc_node+0x180/0x3c0 [ 70.185970][ T5694] __alloc_skb+0x287/0x330 [ 70.190387][ T5694] tcp_stream_alloc_skb+0x34/0x560 [ 70.195496][ T5694] tcp_sendmsg_locked+0xeb2/0x3460 [ 70.200608][ T5694] tcp_sendmsg+0x2e/0x40 [ 70.204846][ T5694] inet_sendmsg+0x9d/0xe0 [ 70.209252][ T5694] __sock_sendmsg+0xd5/0x180 [ 70.213842][ T5694] sock_write_iter+0x29b/0x3d0 [ 70.218614][ T5694] vfs_write+0x64f/0xdf0 [ 70.222857][ T5694] ksys_write+0x1f0/0x250 [ 70.227186][ T5694] [ 70.229502][ T5694] Memory state around the buggy address: [ 70.235118][ T5694] ffff88801ee44f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.243170][ T5694] ffff88801ee44f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.251222][ T5694] >ffff88801ee45000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.259269][ T5694] ^ [ 70.265667][ T5694] ffff88801ee45080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.273718][ T5694] ffff88801ee45100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 70.281765][ T5694] ================================================================== [ 70.289813][ T5694] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 70.296992][ T5694] CPU: 0 PID: 5694 Comm: syz-executor924 Not tainted 6.6.0-syzkaller-14263-gaea6bf908d73 #0 [ 70.307050][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 70.317094][ T5694] Call Trace: [ 70.320368][ T5694] [ 70.323293][ T5694] dump_stack_lvl+0xd9/0x1b0 [ 70.327887][ T5694] panic+0x6dc/0x790 [ 70.331783][ T5694] ? panic_smp_self_stop+0xa0/0xa0 [ 70.336901][ T5694] ? rcu_is_watching+0x12/0xb0 [ 70.341663][ T5694] ? reacquire_held_locks+0x4b0/0x4b0 [ 70.347035][ T5694] ? dump_page+0x6dd/0x1310 [ 70.351531][ T5694] ? check_panic_on_warn+0x1f/0xb0 [ 70.356640][ T5694] check_panic_on_warn+0xab/0xb0 [ 70.361578][ T5694] end_report+0x108/0x150 [ 70.365907][ T5694] kasan_report+0xea/0x110 [ 70.370322][ T5694] ? __list_del_entry_valid_or_report+0x198/0x1b0 [ 70.376738][ T5694] ? __list_del_entry_valid_or_report+0x198/0x1b0 [ 70.383153][ T5694] __list_del_entry_valid_or_report+0x198/0x1b0 [ 70.389397][ T5694] ptp_release+0xc4/0x2b0 [ 70.393726][ T5694] ? ptp_open+0x4f0/0x4f0 [ 70.398046][ T5694] posix_clock_release+0xa4/0x160 [ 70.403076][ T5694] ? posix_clock_register+0x1e0/0x1e0 [ 70.408450][ T5694] __fput+0x270/0xbb0 [ 70.412437][ T5694] task_work_run+0x14d/0x240 [ 70.417037][ T5694] ? task_work_cancel+0x30/0x30 [ 70.421893][ T5694] ? do_raw_spin_unlock+0x173/0x230 [ 70.427098][ T5694] do_exit+0xa92/0x2ae0 [ 70.431257][ T5694] ? do_group_exit+0x1c5/0x2a0 [ 70.436026][ T5694] ? reacquire_held_locks+0x4b0/0x4b0 [ 70.441398][ T5694] ? do_raw_spin_lock+0x12e/0x2b0 [ 70.446424][ T5694] ? mm_update_next_owner+0x840/0x840 [ 70.451797][ T5694] ? spin_bug+0x1d0/0x1d0 [ 70.456133][ T5694] do_group_exit+0xd4/0x2a0 [ 70.460642][ T5694] __x64_sys_exit_group+0x3e/0x50 [ 70.465671][ T5694] do_syscall_64+0x3f/0x110 [ 70.470180][ T5694] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 70.476079][ T5694] RIP: 0033:0x7f21d6ac2c39 [ 70.480488][ T5694] Code: Unable to access opcode bytes at 0x7f21d6ac2c0f. [ 70.487492][ T5694] RSP: 002b:00007ffc89c37a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 70.495899][ T5694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21d6ac2c39 [ 70.503861][ T5694] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 70.511913][ T5694] RBP: 00007f21d6b3d290 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 70.519878][ T5694] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21d6b3d290 [ 70.527843][ T5694] R13: 0000000000000000 R14: 00007f21d6b3dd00 R15: 00007f21d6a93dc0 [ 70.535822][ T5694] [ 70.539028][ T5694] Kernel Offset: disabled [ 70.543336][ T5694] Rebooting in 86400 seconds..