Warning: Permanently added '10.128.0.4' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.780473] ================================================================== [ 31.787906] BUG: KASAN: use-after-free in __list_add_valid+0x93/0xa0 [ 31.794377] Read of size 8 at addr ffff88809786eb18 by task syz-executor670/10528 [ 31.801970] [ 31.803578] CPU: 0 PID: 10528 Comm: syz-executor670 Not tainted 4.14.290-syzkaller #0 [ 31.811520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 31.820853] Call Trace: [ 31.823422] dump_stack+0x1b2/0x281 [ 31.827032] print_address_description.cold+0x54/0x1d3 [ 31.832399] kasan_report_error.cold+0x8a/0x191 [ 31.837070] ? __list_add_valid+0x93/0xa0 [ 31.841198] __asan_report_load8_noabort+0x68/0x70 [ 31.846109] ? __list_add_valid+0x93/0xa0 [ 31.850236] __list_add_valid+0x93/0xa0 [ 31.854190] rdma_listen+0x656/0x9b0 [ 31.857881] ucma_listen+0x10b/0x170 [ 31.861571] ? ucma_bind_ip+0x150/0x150 [ 31.865520] ? _copy_from_user+0x96/0x100 [ 31.869648] ? ucma_bind_ip+0x150/0x150 [ 31.873618] ucma_write+0x206/0x2c0 [ 31.877227] ? ucma_set_ib_path+0x510/0x510 [ 31.881537] __vfs_write+0xe4/0x630 [ 31.885139] ? ucma_set_ib_path+0x510/0x510 [ 31.889436] ? kernel_read+0x110/0x110 [ 31.893299] ? common_file_perm+0x3ee/0x580 [ 31.897618] ? security_file_permission+0x82/0x1e0 [ 31.902541] ? rw_verify_area+0xe1/0x2a0 [ 31.906594] vfs_write+0x17f/0x4d0 [ 31.910114] SyS_write+0xf2/0x210 [ 31.913543] ? SyS_read+0x210/0x210 [ 31.917155] ? do_syscall_64+0x4c/0x640 [ 31.921102] ? SyS_read+0x210/0x210 [ 31.924705] do_syscall_64+0x1d5/0x640 [ 31.928573] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.933739] RIP: 0033:0x7fd54529fa39 [ 31.937501] RSP: 002b:00007fd545230318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.945202] RAX: ffffffffffffffda RBX: 00007fd545327418 RCX: 00007fd54529fa39 [ 31.952472] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003 [ 31.959732] RBP: 00007fd545327410 R08: 00007fd545230700 R09: 0000000000000000 [ 31.966979] R10: 00007fd545230700 R11: 0000000000000246 R12: 006d635f616d6472 [ 31.974234] R13: 00007fff52cbb0af R14: 00007fd545230400 R15: 0000000000022000 [ 31.981497] [ 31.983104] Allocated by task 10522: [ 31.986805] kasan_kmalloc+0xeb/0x160 [ 31.990587] kmem_cache_alloc_trace+0x131/0x3d0 [ 31.995239] rdma_create_id+0x57/0x4c0 [ 31.999104] ucma_create_id+0x18b/0x500 [ 32.003055] ucma_write+0x206/0x2c0 [ 32.006659] __vfs_write+0xe4/0x630 [ 32.010269] vfs_write+0x17f/0x4d0 [ 32.013784] SyS_write+0xf2/0x210 [ 32.017214] do_syscall_64+0x1d5/0x640 [ 32.021076] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.026240] [ 32.027842] Freed by task 10524: [ 32.031191] kasan_slab_free+0xc3/0x1a0 [ 32.035140] kfree+0xc9/0x250 [ 32.038235] ucma_close+0x11a/0x340 [ 32.041848] __fput+0x25f/0x7a0 [ 32.045118] task_work_run+0x11f/0x190 [ 32.048989] do_exit+0xa44/0x2850 [ 32.052420] do_group_exit+0x100/0x2e0 [ 32.056283] get_signal+0x38d/0x1ca0 [ 32.059981] do_signal+0x7c/0x1550 [ 32.063516] exit_to_usermode_loop+0x160/0x200 [ 32.068093] do_syscall_64+0x4a3/0x640 [ 32.071955] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.077118] [ 32.078741] The buggy address belongs to the object at ffff88809786e940 [ 32.078741] which belongs to the cache kmalloc-1024 of size 1024 [ 32.091569] The buggy address is located 472 bytes inside of [ 32.091569] 1024-byte region [ffff88809786e940, ffff88809786ed40) [ 32.103507] The buggy address belongs to the page: [ 32.108427] page:ffffea00025e1b80 count:1 mapcount:0 mapping:ffff88809786e040 index:0x0 compound_mapcount: 0 [ 32.118376] flags: 0xfff00000008100(slab|head) [ 32.122939] raw: 00fff00000008100 ffff88809786e040 0000000000000000 0000000100000007 [ 32.130796] raw: ffffea00025e2820 ffffea0002adb620 ffff88813fe74ac0 0000000000000000 [ 32.138651] page dumped because: kasan: bad access detected [ 32.144339] [ 32.145945] Memory state around the buggy address: [ 32.150846] ffff88809786ea00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.158178] ffff88809786ea80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.165517] >ffff88809786eb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.172848] ^ [ 32.176985] ffff88809786eb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.184315] ffff88809786ec00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.191644] ================================================================== [ 32.198975] Disabling lock debugging due to kernel taint [ 32.207079] Kernel panic - not syncing: panic_on_warn set ... [ 32.207079] [ 32.214464] CPU: 0 PID: 10528 Comm: syz-executor670 Tainted: G B 4.14.290-syzkaller #0 [ 32.223637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 32.232980] Call Trace: [ 32.235559] dump_stack+0x1b2/0x281 [ 32.239175] panic+0x1f9/0x42d [ 32.242343] ? add_taint.cold+0x16/0x16 [ 32.246295] ? ___preempt_schedule+0x16/0x18 [ 32.250696] kasan_end_report+0x43/0x49 [ 32.254661] kasan_report_error.cold+0xa7/0x191 [ 32.259309] ? __list_add_valid+0x93/0xa0 [ 32.263432] __asan_report_load8_noabort+0x68/0x70 [ 32.268337] ? __list_add_valid+0x93/0xa0 [ 32.272467] __list_add_valid+0x93/0xa0 [ 32.276418] rdma_listen+0x656/0x9b0 [ 32.280112] ucma_listen+0x10b/0x170 [ 32.283803] ? ucma_bind_ip+0x150/0x150 [ 32.287750] ? _copy_from_user+0x96/0x100 [ 32.291874] ? ucma_bind_ip+0x150/0x150 [ 32.295830] ucma_write+0x206/0x2c0 [ 32.299431] ? ucma_set_ib_path+0x510/0x510 [ 32.303727] __vfs_write+0xe4/0x630 [ 32.307328] ? ucma_set_ib_path+0x510/0x510 [ 32.311621] ? kernel_read+0x110/0x110 [ 32.315487] ? common_file_perm+0x3ee/0x580 [ 32.319796] ? security_file_permission+0x82/0x1e0 [ 32.324808] ? rw_verify_area+0xe1/0x2a0 [ 32.328857] vfs_write+0x17f/0x4d0 [ 32.332386] SyS_write+0xf2/0x210 [ 32.335816] ? SyS_read+0x210/0x210 [ 32.339448] ? do_syscall_64+0x4c/0x640 [ 32.343401] ? SyS_read+0x210/0x210 [ 32.347002] do_syscall_64+0x1d5/0x640 [ 32.350873] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.356039] RIP: 0033:0x7fd54529fa39 [ 32.359723] RSP: 002b:00007fd545230318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.367426] RAX: ffffffffffffffda RBX: 00007fd545327418 RCX: 00007fd54529fa39 [ 32.374777] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003 [ 32.382021] RBP: 00007fd545327410 R08: 00007fd545230700 R09: 0000000000000000 [ 32.389288] R10: 00007fd545230700 R11: 0000000000000246 R12: 006d635f616d6472 [ 32.396536] R13: 00007fff52cbb0af R14: 00007fd545230400 R15: 0000000000022000 [ 32.403960] Kernel Offset: disabled [ 32.407569] Rebooting in 86400 seconds..