------------[ cut here ]------------ WARNING: CPU: 1 PID: 1687 at block/bdev.c:845 blkdev_put+0x637/0x760 Modules linked in: CPU: 1 PID: 1687 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:blkdev_put+0x637/0x760 block/bdev.c:845 Code: 19 c5 fd 48 8b 3b e8 b8 5d 5a fd 49 83 c5 48 4c 89 ef 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ee 96 40 01 e8 69 aa 6e fd <0f> 0b e9 85 fb ff ff e8 5d aa 6e fd 0f 0b e9 b6 fb ff ff 48 8b 4c RSP: 0018:ffffc90015d0fcb0 EFLAGS: 00010293 RAX: ffffffff841e1747 RBX: 1ffff110037948d7 RCX: ffff888024a2ba80 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffffffff841e12be R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 00000000484a009d R15: ffff88801bca46b8 FS: 0000555556b62400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110f29fd70 CR3: 0000000028d20000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blkdev_close+0x5a/0x80 block/fops.c:507 __fput+0x3b7/0x890 fs/file_table.c:321 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x2e0 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa903e3dfab 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:00007fff2d0addd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fa903e3dfab RDX: 00007fa903a00120 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007fa903fad980 R08: 0000000000000000 R09: 00007fa903a00000 R10: 00007fa903a00128 R11: 0000000000000293 R12: 000000000006ceae R13: 00007fff2d0aded0 R14: 00007fa903fabf80 R15: 0000000000000032