Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts.
syzkaller login: [   30.275997] IPVS: ftp: loaded support on port[0] = 21
executing program
[   30.331516] ------------[ cut here ]------------
[   30.336297] kernel BUG at drivers/dma-buf/dma-buf.c:68!
[   30.342181] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   30.347718] Modules linked in:
[   30.350890] CPU: 1 PID: 7977 Comm: syz-executor311 Not tainted 4.14.290-syzkaller #0
[   30.358757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[   30.368088] task: ffff888095ace380 task.stack: ffff888095370000
[   30.374128] RIP: 0010:dma_buf_release+0x313/0x5c0
[   30.378940] RSP: 0018:ffff888095377db8 EFLAGS: 00010297
[   30.384295] RAX: ffff888095ace380 RBX: ffff8880a019a0c0 RCX: 1ffffffff17f5a8c
[   30.391538] RDX: 0000000000000000 RSI: ffff8880a019a0c0 RDI: ffff8880959e7378
[   30.398797] RBP: ffff8880959e7200 R08: 0000000000000000 R09: 0000000000000000
[   30.406052] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a019a0e8
[   30.413451] R13: ffff8880a019a13c R14: ffffffff83982d40 R15: ffff8880a019a0d0
[   30.420707] FS:  0000555556691300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   30.428909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.434791] CR2: 00007f78d5cb0d10 CR3: 000000009ae70000 CR4: 00000000003406e0
[   30.442051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.449295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.456539] Call Trace:
[   30.459124]  ? ima_file_free+0x4f/0x330
[   30.463075]  ? dma_buf_detach+0x240/0x240
[   30.467284]  __fput+0x25f/0x7a0
[   30.470540]  task_work_run+0x11f/0x190
[   30.474407]  exit_to_usermode_loop+0x1ad/0x200
[   30.479052]  do_syscall_64+0x4a3/0x640
[   30.482914]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   30.488076] RIP: 0033:0x7f78d5c4c693
[   30.491845] RSP: 002b:00007fffc3cc05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[   30.499523] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f78d5c4c693
[   30.506779] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
[   30.514120] RBP: 00007fffc3cc05d8 R08: 0000000000000000 R09: 00007f78d5cfbe40
[   30.521372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc3cc05e0
[   30.528614] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   30.535859] Code: 31 e4 e8 71 cc b4 fd 48 89 ef e8 f9 a2 e6 fd e8 e4 16 bd fd 44 89 e0 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 cd 16 bd fd <0f> 0b e8 c6 16 bd fd e8 d1 f0 ad fd 48 8d bd 38 02 00 00 48 b8 
[   30.555367] RIP: dma_buf_release+0x313/0x5c0 RSP: ffff888095377db8
[   30.562325] ---[ end trace 356f38a4940b31ab ]---
[   30.567075] Kernel panic - not syncing: Fatal exception
[   30.572659] Kernel Offset: disabled
[   30.576277] Rebooting in 86400 seconds..