Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. [ 50.036887] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 50.167957] audit: type=1400 audit(1556012354.076:36): avc: denied { map } for pid=7550 comm="syz-executor753" path="/root/syz-executor753667578" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.173156] kasan: CONFIG_KASAN_INLINE enabled [ 50.198993] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.206516] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.212739] Modules linked in: [ 50.215988] CPU: 0 PID: 7550 Comm: syz-executor753 Not tainted 4.14.113 #3 [ 50.222980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.232337] task: ffff88808f5b6300 task.stack: ffff888077440000 [ 50.238443] RIP: 0010:rb_erase+0x29/0x1c10 [ 50.242665] RSP: 0018:ffff8880774479d0 EFLAGS: 00010282 [ 50.248178] RAX: dffffc0000000000 RBX: ffff88809a2a7870 RCX: 1ffff1100ee88f12 [ 50.255434] RDX: 0000000000000001 RSI: ffffffff892478c0 RDI: 0000000000000008 [ 50.262685] RBP: ffff888077447a18 R08: ffffffff88d117cc R09: 0000000000001b36 [ 50.269939] R10: ffff8880774477d0 R11: ffff88808f5b6300 R12: 0000000000000000 [ 50.277193] R13: ffff88809a290430 R14: 0000000000000000 R15: ffffffff867a2600 [ 50.284452] FS: 0000000001b13880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 50.292674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.298552] CR2: 00005649dae0f1a0 CR3: 00000000a0e91000 CR4: 00000000001406f0 [ 50.305953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.313230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.320504] Call Trace: [ 50.323140] integrity_inode_free+0x126/0x320 [ 50.327666] security_inode_free+0x19/0x90 [ 50.331955] __destroy_inode+0x1ef/0x4e0 [ 50.336131] destroy_inode+0x50/0x130 [ 50.339927] evict+0x3e9/0x630 [ 50.343162] iput+0x476/0x900 [ 50.346482] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 50.351508] ext4_ioctl+0x16bb/0x39b0 [ 50.355412] ? avc_ss_reset+0x110/0x110 [ 50.359453] ? kasan_slab_free+0x75/0xc0 [ 50.363647] ? ext4_ioctl_setflags+0x5d0/0x5d0 [ 50.368307] ? find_held_lock+0x35/0x130 [ 50.372395] ? debug_check_no_obj_freed+0x2aa/0x7b7 [ 50.377497] ? __might_sleep+0x93/0xb0 [ 50.381395] ? ext4_ioctl_setflags+0x5d0/0x5d0 [ 50.386086] do_vfs_ioctl+0x7b9/0x1070 [ 50.390066] ? selinux_file_mprotect+0x5d0/0x5d0 [ 50.394980] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.399393] ? putname+0xe0/0x120 [ 50.402870] ? do_sys_open+0x221/0x430 [ 50.406848] ? security_file_ioctl+0x83/0xc0 [ 50.411271] ? security_file_ioctl+0x8f/0xc0 [ 50.415679] SyS_ioctl+0x8f/0xc0 [ 50.419054] ? do_vfs_ioctl+0x1070/0x1070 [ 50.423233] do_syscall_64+0x1eb/0x630 [ 50.427239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.432112] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.437518] RIP: 0033:0x440169 [ 50.440701] RSP: 002b:00007ffd0a696678 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.448545] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440169 [ 50.455834] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004 [ 50.463257] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 50.470529] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004019f0 [ 50.477908] R13: 0000000000401a80 R14: 0000000000000000 R15: 0000000000000000 [ 50.485286] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 49 89 fe 48 83 c7 08 48 89 fa 41 55 48 c1 ea 03 41 54 53 48 83 ec 20 <80> 3c 02 00 0f 85 0c 11 00 00 49 8d 7e 10 4d 8b 7e 08 48 b8 00 [ 50.504421] RIP: rb_erase+0x29/0x1c10 RSP: ffff8880774479d0 [ 50.510844] ---[ end trace 9970f8c22ed60c1e ]--- [ 50.515744] Kernel panic - not syncing: Fatal exception [ 50.522077] Kernel Offset: disabled [ 50.525712] Rebooting in 86400 seconds..