Warning: Permanently added '10.128.0.151' (ECDSA) 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 [ 40.223926] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.144156] ================================================================== [ 49.151572] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 49.158235] Read of size 8 at addr ffff88809bb581f8 by task syz-executor347/12160 [ 49.165845] [ 49.167473] CPU: 0 PID: 12160 Comm: syz-executor347 Not tainted 4.19.211-syzkaller #0 [ 49.175521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 49.184871] Call Trace: [ 49.187502] dump_stack+0x1fc/0x2ef executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.191227] print_address_description.cold+0x54/0x219 [ 49.196505] kasan_report_error.cold+0x8a/0x1b9 [ 49.201178] ? __lock_acquire+0x2cb4/0x3ff0 [ 49.205503] __asan_report_load8_noabort+0x88/0x90 [ 49.210442] ? __lock_acquire+0x2cb4/0x3ff0 [ 49.214772] __lock_acquire+0x2cb4/0x3ff0 [ 49.218922] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.223503] ? _raw_spin_unlock_irq+0x5a/0x80 [ 49.227996] ? finish_task_switch+0x146/0x760 [ 49.232491] ? finish_task_switch+0x118/0x760 [ 49.236989] ? switch_mm_irqs_off+0x764/0x1340 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.241573] ? mark_held_locks+0xf0/0xf0 [ 49.245637] ? io_schedule_timeout+0x140/0x140 [ 49.250331] ? retint_kernel+0x2d/0x2d [ 49.254222] ? ___preempt_schedule+0x16/0x18 [ 49.258637] ? preempt_schedule_common+0x45/0xc0 [ 49.263395] lock_acquire+0x170/0x3c0 [ 49.267197] ? bpf_tcp_remove+0x427/0xa00 [ 49.271347] _raw_spin_lock_bh+0x2f/0x40 [ 49.275419] ? bpf_tcp_remove+0x427/0xa00 [ 49.279566] bpf_tcp_remove+0x427/0xa00 [ 49.283541] ? tcp_check_oom+0x520/0x520 [ 49.287603] bpf_tcp_close+0x12b/0x390 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.291493] inet_release+0xd7/0x1e0 [ 49.295211] __sock_release+0xcd/0x2a0 [ 49.299097] ? __sock_release+0x2a0/0x2a0 [ 49.303335] sock_close+0x15/0x20 [ 49.306790] __fput+0x2ce/0x890 [ 49.310074] task_work_run+0x148/0x1c0 [ 49.313963] do_exit+0xbf3/0x2be0 [ 49.317418] ? lock_downgrade+0x720/0x720 [ 49.321729] ? mm_update_next_owner+0x650/0x650 [ 49.326398] ? up_read+0x17/0x110 [ 49.329868] ? __do_page_fault+0x180/0xd60 [ 49.334107] do_group_exit+0x125/0x310 [ 49.337999] __x64_sys_exit_group+0x3a/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.342319] do_syscall_64+0xf9/0x620 [ 49.346121] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.351389] RIP: 0033:0x7eff5089ec69 [ 49.355095] Code: 00 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 49.373991] RSP: 002b:00007ffe684d9748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.381702] RAX: ffffffffffffffda RBX: 00007eff50913330 RCX: 00007eff5089ec69 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.388966] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.396230] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 49.403498] R10: 0000000000000001 R11: 0000000000000246 R12: 00007eff50913330 [ 49.410759] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.418025] [ 49.419646] Allocated by task 12160: [ 49.423358] kmem_cache_alloc_trace+0x12f/0x380 [ 49.428024] sock_map_alloc+0x2b8/0x510 [ 49.431996] __se_sys_bpf+0x82a/0x3a20 [ 49.435880] do_syscall_64+0xf9/0x620 [ 49.439679] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.444858] [ 49.446479] Freed by task 8140: [ 49.449756] kfree+0xcc/0x210 [ 49.452866] process_one_work+0x864/0x1570 [ 49.457098] worker_thread+0x64c/0x1130 [ 49.461070] kthread+0x33f/0x460 [ 49.464436] ret_from_fork+0x24/0x30 [ 49.468138] [ 49.469763] The buggy address belongs to the object at ffff88809bb580c0 [ 49.469763] which belongs to the cache kmalloc-512 of size 512 [ 49.482416] The buggy address is located 312 bytes inside of [ 49.482416] 512-byte region [ffff88809bb580c0, ffff88809bb582c0) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.494286] The buggy address belongs to the page: [ 49.499210] page:ffffea00026ed600 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 [ 49.507345] flags: 0xfff00000000100(slab) [ 49.512555] raw: 00fff00000000100 ffffea000270e808 ffffea00026f21c8 ffff88813bff0940 [ 49.520972] raw: 0000000000000000 ffff88809bb580c0 0000000100000006 0000000000000000 [ 49.528842] page dumped because: kasan: bad access detected [ 49.534551] [ 49.536166] Memory state around the buggy address: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.541095] ffff88809bb58080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 49.548539] ffff88809bb58100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.555890] >ffff88809bb58180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.563234] ^ [ 49.570501] ffff88809bb58200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.577856] ffff88809bb58280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 49.585201] ================================================================== executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.592554] Disabling lock debugging due to kernel taint [ 49.598000] Kernel panic - not syncing: panic_on_warn set ... [ 49.598000] [ 49.605363] CPU: 0 PID: 12160 Comm: syz-executor347 Tainted: G B 4.19.211-syzkaller #0 [ 49.614762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 49.624114] Call Trace: [ 49.626714] dump_stack+0x1fc/0x2ef [ 49.630345] panic+0x26a/0x50e [ 49.633539] ? __warn_printk+0xf3/0xf3 [ 49.637427] ? lock_downgrade+0x720/0x720 [ 49.641577] ? print_shadow_for_address+0xb8/0x114 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.646520] ? trace_hardirqs_off+0x64/0x200 [ 49.650932] kasan_end_report+0x43/0x49 [ 49.654926] kasan_report_error.cold+0xa7/0x1b9 [ 49.659592] ? __lock_acquire+0x2cb4/0x3ff0 [ 49.663916] __asan_report_load8_noabort+0x88/0x90 [ 49.668846] ? __lock_acquire+0x2cb4/0x3ff0 [ 49.673165] __lock_acquire+0x2cb4/0x3ff0 [ 49.677314] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.681981] ? _raw_spin_unlock_irq+0x5a/0x80 [ 49.686477] ? finish_task_switch+0x146/0x760 [ 49.690968] ? finish_task_switch+0x118/0x760 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.695556] ? switch_mm_irqs_off+0x764/0x1340 [ 49.700138] ? mark_held_locks+0xf0/0xf0 [ 49.704194] ? io_schedule_timeout+0x140/0x140 [ 49.708774] ? retint_kernel+0x2d/0x2d [ 49.712661] ? ___preempt_schedule+0x16/0x18 [ 49.717068] ? preempt_schedule_common+0x45/0xc0 [ 49.721820] lock_acquire+0x170/0x3c0 [ 49.725625] ? bpf_tcp_remove+0x427/0xa00 [ 49.729771] _raw_spin_lock_bh+0x2f/0x40 [ 49.733832] ? bpf_tcp_remove+0x427/0xa00 [ 49.737978] bpf_tcp_remove+0x427/0xa00 [ 49.741950] ? tcp_check_oom+0x520/0x520 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.746012] bpf_tcp_close+0x12b/0x390 [ 49.749897] inet_release+0xd7/0x1e0 [ 49.753608] __sock_release+0xcd/0x2a0 [ 49.757578] ? __sock_release+0x2a0/0x2a0 [ 49.761720] sock_close+0x15/0x20 [ 49.765172] __fput+0x2ce/0x890 [ 49.768453] task_work_run+0x148/0x1c0 [ 49.772348] do_exit+0xbf3/0x2be0 [ 49.775801] ? lock_downgrade+0x720/0x720 [ 49.779943] ? mm_update_next_owner+0x650/0x650 [ 49.784609] ? up_read+0x17/0x110 [ 49.788058] ? __do_page_fault+0x180/0xd60 [ 49.792289] do_group_exit+0x125/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.796177] __x64_sys_exit_group+0x3a/0x50 [ 49.800493] do_syscall_64+0xf9/0x620 [ 49.804291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.809482] RIP: 0033:0x7eff5089ec69 [ 49.813195] Code: 00 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 49.832094] RSP: 002b:00007ffe684d9748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.839804] RAX: ffffffffffffffda RBX: 00007eff50913330 RCX: 00007eff5089ec69 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.847071] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.854439] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 49.861707] R10: 0000000000000001 R11: 0000000000000246 R12: 00007eff50913330 [ 49.868987] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.876411] Kernel Offset: disabled [ 49.880022] Rebooting in 86400 seconds..