BTRFS info (device loop3): disk space caching is enabled
netlink: 108 bytes leftover after parsing attributes in process `syz-executor.4'.
BTRFS info (device loop3): has skinny extents
IPVS: ftp: loaded support on port[0] = 21
------------[ cut here ]------------
kernel BUG at drivers/dma-buf/dma-buf.c:68!
tmpfs: No value for mount option './file1'
9pnet: Insufficient options for proto=fd
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6828 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
IPVS: ftp: loaded support on port[0] = 21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:dma_buf_release+0x345/0x630 drivers/dma-buf/dma-buf.c:68
Code: e4 e8 9f 29 52 fd 48 89 ef e8 e7 3a 91 fd e8 42 8c 5b fd 44 89 e0 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 2b 8c 5b fd <0f> 0b e8 24 8c 5b fd e8 9f a4 49 fd 48 8d bd 38 02 00 00 48 b8 00
RSP: 0018:ffff888056c57df0 EFLAGS: 00010293
RAX: ffff88809bfc2240 RBX: 0000000000000004 RCX: ffffffff8406f6ec
RDX: 0000000000000000 RSI: ffffffff8406f945 RDI: 0000000000000005
RBP: ffff888099bd2000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a193d5bc
R13: ffff8880a193d568 R14: ffffffff8406f600 R15: ffff8880b5b84a20
FS:  0000555556dcf400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba29dac718 CR3: 000000005323e000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f246c548ebb
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffeec2ff4f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f246c548ebb
RDX: 00007f246c6ad7a8 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007f246c6aa980 R08: 0000000000000000 R09: 00007f246c6ad7b0
R10: 00007ffeec2ff5f0 R11: 0000000000000293 R12: 000000000016396b
R13: 00007ffeec2ff5f0 R14: 00007f246c6a8f80 R15: 0000000000000032
Modules linked in:
---[ end trace fd316e903d24c0b0 ]---
RIP: 0010:dma_buf_release+0x345/0x630 drivers/dma-buf/dma-buf.c:68
Code: e4 e8 9f 29 52 fd 48 89 ef e8 e7 3a 91 fd e8 42 8c 5b fd 44 89 e0 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 2b 8c 5b fd <0f> 0b e8 24 8c 5b fd e8 9f a4 49 fd 48 8d bd 38 02 00 00 48 b8 00
RSP: 0018:ffff888056c57df0 EFLAGS: 00010293
RAX: ffff88809bfc2240 RBX: 0000000000000004 RCX: ffffffff8406f6ec
RDX: 0000000000000000 RSI: ffffffff8406f945 RDI: 0000000000000005
BTRFS warning (device loop3): loop3 checksum verify failed on 5242880 wanted 42BCE6B8 found C3D11E05 level 0
RBP: ffff888099bd2000 R08: 0000000000000000 R09: 0000000000000000
BTRFS warning (device loop3): failed to read tree root
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a193d5bc
BTRFS error (device loop3): open_ctree failed
R13: ffff8880a193d568 R14: ffffffff8406f600 R15: ffff8880b5b84a20
FS:  0000555556dcf400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
IPVS: ftp: loaded support on port[0] = 21
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
IPVS: ftp: loaded support on port[0] = 21
BTRFS info (device loop3): disk space caching is enabled
CR2: 00007f8f075f1103 CR3: 000000005323e000 CR4: 00000000003406e0
BTRFS info (device loop3): has skinny extents
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400