syzbot


INFO: task hung in truncate_setsize

Status: upstream: reported on 2024/06/13 16:48
Subsystems: bcachefs
[Documentation on labels]
Reported-by: syzbot+c6773f706de1990de039@syzkaller.appspotmail.com
First crash: 48d, last: 5d13h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [bcachefs?] INFO: task hung in truncate_setsize 0 (1) 2024/06/13 16:48

Sample crash report:
INFO: task syz-executor.4:5631 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:12752 pid:5631  tgid:5630  ppid:5100   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 io_schedule+0x8d/0x110 kernel/sched/core.c:9043
 folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1307
 truncate_inode_pages_range+0xaaf/0xfc0 mm/truncate.c:412
 truncate_inode_pages mm/truncate.c:439 [inline]
 truncate_pagecache mm/truncate.c:732 [inline]
 truncate_setsize+0xcf/0xf0 mm/truncate.c:757
 bchfs_truncate+0x683/0xc80 fs/bcachefs/fs-io.c:453
 notify_change+0xb9d/0xe70 fs/attr.c:497
 do_truncate+0x220/0x310 fs/open.c:65
 handle_truncate fs/namei.c:3308 [inline]
 do_open fs/namei.c:3654 [inline]
 path_openat+0x2a3d/0x3280 fs/namei.c:3807
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_creat fs/open.c:1496 [inline]
 __se_sys_creat fs/open.c:1490 [inline]
 __x64_sys_creat+0x123/0x170 fs/open.c:1490
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde1a27cf29
RSP: 002b:00007fde1b0d00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fde1a3b3f80 RCX: 00007fde1a27cf29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fde1a2ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fde1a3b3f80 R15: 00007ffc8b088a78
 </TASK>
INFO: task syz-executor.4:5662 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

Crashes (43):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/20 13:38 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/19 12:00 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/19 01:42 upstream 2ccbdf43d5e7 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/18 22:10 upstream 2ccbdf43d5e7 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/17 19:42 upstream 2ccbdf43d5e7 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/12 18:32 upstream cea2a26553ac f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/11 15:44 upstream 83a7eefedc9b b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/10 16:11 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/10 16:01 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/10 09:29 upstream 83a7eefedc9b 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 22:38 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 19:52 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 16:45 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 16:39 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 16:31 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/09 13:54 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 12:14 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 11:28 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 10:03 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 08:08 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 06:33 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 04:21 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 02:35 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 02:31 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 02:28 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/08 02:23 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/07 22:23 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/07 05:35 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/07 04:41 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/07 00:26 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/07 00:18 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 19:31 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 18:22 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 07:47 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 07:26 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 07:08 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/06/06 07:02 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/05/26 22:26 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/05/26 22:25 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/05/16 09:31 upstream 3c999d1ae3c7 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in truncate_setsize
2024/05/08 23:20 upstream 6d7ddd805123 20bf80e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/05/08 23:13 upstream 6d7ddd805123 20bf80e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in truncate_setsize
2024/05/27 16:48 linux-next 3689b0ef08b7 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in truncate_setsize
* Struck through repros no longer work on HEAD.