syzbot


WARNING in wait_til_done (2)

Status: auto-obsoleted due to no activity on 2024/01/26 00:46
Subsystems: block
[Documentation on labels]
Reported-by: syzbot+9bc4da690ee5334f5d15@syzkaller.appspotmail.com
First crash: 332d, last: 133d
Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly block report (Oct 2023) 0 (1) 2023/10/09 09:23
[syzbot] Monthly block report (Sep 2023) 0 (1) 2023/09/07 09:25
[syzbot] Monthly block report (Aug 2023) 0 (1) 2023/08/07 07:28
[syzbot] [block?] WARNING in wait_til_done (2) 0 (2) 2023/06/25 04:58
[syzbot] Monthly block report (Jun 2023) 0 (1) 2023/06/07 09:10
[syzbot] Monthly block report (May 2023) 0 (1) 2023/05/05 08:06
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in wait_til_done block C 4 640d 674d 0/26 auto-obsoleted due to no activity on 2022/09/26 17:50
Last patch testing requests (6)
Created Duration User Patch Repo Result
2023/12/02 14:02 20m retest repro upstream OK log
2023/12/02 13:23 20m retest repro upstream OK log
2023/12/02 13:00 20m retest repro upstream OK log
2023/09/23 12:40 17m retest repro upstream report log
2023/09/23 12:40 20m retest repro upstream report log
2023/09/23 12:40 17m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 3 PID: 5319 at drivers/block/floppy.c:999 schedule_bh drivers/block/floppy.c:999 [inline]
WARNING: CPU: 3 PID: 5319 at drivers/block/floppy.c:999 wait_til_done+0x3b1/0x420 drivers/block/floppy.c:2018
Modules linked in:
CPU: 3 PID: 5319 Comm: kworker/3:0 Not tainted 6.5.0-syzkaller-08894-gb97d64c72259 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events_freezable_power_ disk_events_workfn
RIP: 0010:schedule_bh drivers/block/floppy.c:999 [inline]
RIP: 0010:wait_til_done+0x3b1/0x420 drivers/block/floppy.c:2018
Code: fc 41 83 fd 01 7e ac e8 6d c7 4b fc 4c 89 e6 48 c7 c7 40 d2 6e 8d e8 3e bb 28 fc e8 59 c7 4b fc e9 68 fd ff ff e8 4f c7 4b fc <0f> 0b e9 ef fc ff ff e8 e3 ae a0 fc e9 b4 fd ff ff e8 39 c7 4b fc
RSP: 0018:ffffc90003bffb58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff9200077ff6b RCX: 0000000000000000
RDX: ffff88802fe21140 RSI: ffffffff853a77c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000800 R12: ffffffff853a3ff0
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb8444a3738 CR3: 000000001e395000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 floppy_check_events+0x3b9/0x6f0 drivers/block/floppy.c:4099
 disk_check_events+0xbc/0x400 block/disk-events.c:193
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 process_scheduled_works kernel/workqueue.c:2667 [inline]
 worker_thread+0x896/0x1110 kernel/workqueue.c:2753
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/01 00:19 upstream b97d64c72259 4ad3538b .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in wait_til_done
2023/08/20 06:21 upstream 9e6c269de404 d216d8a0 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/06/25 04:58 upstream a92b7d26c743 79782afc .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/09/09 03:27 upstream 32bf43e4efdb 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/10/18 00:46 upstream 213f891525c2 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in wait_til_done
2023/10/03 15:37 upstream ce36c8b14987 65faba36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in wait_til_done
2023/09/09 12:38 upstream 32bf43e4efdb 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in wait_til_done
2023/09/05 04:21 upstream 7a1415eebeec 0b6286dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in wait_til_done
2023/08/04 04:52 upstream c1a515d3c027 74621247 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/07/24 03:28 upstream 269f4a4b85a1 27cbe77f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/06/25 04:16 upstream a92b7d26c743 79782afc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/06/02 08:11 upstream 1874a42a7d74 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in wait_til_done
2023/04/23 21:05 upstream 622322f53c6d 2b32bd34 .config console log report info ci-qemu-upstream WARNING in wait_til_done
2023/04/20 03:26 upstream 789b4a41c247 a219f34e .config console log report info ci-qemu-upstream WARNING in wait_til_done
2023/04/15 14:07 upstream 7a934f4bd7d6 ec410564 .config console log report info ci-qemu-upstream WARNING in wait_til_done
2023/04/04 18:03 upstream 148341f0a2f5 928dd177 .config console log report info ci-qemu-upstream WARNING in wait_til_done
2023/04/02 16:42 upstream 00c7b5f4ddc5 f325deb0 .config console log report info ci-qemu-upstream WARNING in wait_til_done
2023/08/20 03:14 upstream 9e6c269de404 d216d8a0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in wait_til_done
2023/04/24 14:44 upstream 457391b03803 c778c7f4 .config console log report info ci-qemu-upstream-386 WARNING in wait_til_done
2023/04/20 16:05 upstream cb0856346a60 5ed6c74d .config console log report info ci-qemu-upstream-386 WARNING in wait_til_done
* Struck through repros no longer work on HEAD.