syzbot


WARNING in btrfs_block_rsv_release

Status: upstream: reported C repro on 2022/10/21 04:45
Labels: btrfs (incorrect?)
Reported-by: syzbot+dde7e853812ed57835ea@syzkaller.appspotmail.com
First crash: 223d, last: 2d22h

Cause bisection: failed (error log, bisect log)
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (May 2023) 0 (1) 2023/05/30 08:21
[syzbot] Monthly btrfs report (Apr 2023) 0 (1) 2023/04/27 10:13
[PATCH] btrfs: update bytes_may_use in btrfs_free_reserved_bytes() 3 (3) 2022/10/31 15:44
[syzbot] WARNING in btrfs_block_rsv_release 3 (7) 2022/10/28 16:25
Last patch testing requests (3)
Created Duration User Patch Repo Result
2022/10/28 15:32 25m yin31149@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 493ffd6605b2d3d4dc7008ab927dba319f36671f OK log
2022/10/28 15:06 0m yin31149@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 493ffd6605b2d3d4dc7008ab927dba319f36671f error
2022/10/28 11:14 30m yin31149@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master error
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/04/25 03:08 44m bisect fix upstream job log (0) log

Sample crash report:
BTRFS error (device loop0: state EA): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12
BTRFS: error (device loop0: state EA) in btrfs_run_delayed_refs:2151: errno=-12 Out of memory
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5077 at fs/btrfs/space-info.h:199 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:231 [inline]
WARNING: CPU: 1 PID: 5077 at fs/btrfs/space-info.h:199 block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline]
WARNING: CPU: 1 PID: 5077 at fs/btrfs/space-info.h:199 btrfs_block_rsv_release+0x5d1/0x730 fs/btrfs/block-rsv.c:297
Modules linked in:
CPU: 1 PID: 5077 Comm: syz-executor291 Not tainted 6.2.0-rc4-syzkaller-00067-g7287904c8771 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:199 [inline]
RIP: 0010:btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:231 [inline]
RIP: 0010:block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline]
RIP: 0010:btrfs_block_rsv_release+0x5d1/0x730 fs/btrfs/block-rsv.c:297
Code: 8b 7c 24 10 74 08 4c 89 f7 e8 4b 07 31 fe 49 8b 1e 48 89 df 48 8b 2c 24 48 89 ee e8 b9 59 db fd 48 39 eb 73 0b e8 6f 57 db fd <0f> 0b 31 db eb 25 e8 64 57 db fd 48 b8 00 00 00 00 00 fc ff df 41
RSP: 0018:ffffc90003cdf908 EFLAGS: 00010293
RAX: ffffffff83b08481 RBX: 00000000000df000 RCX: ffff888021853a80
RDX: 0000000000000000 RSI: 00000000000e0000 RDI: 00000000000df000
RBP: 00000000000e0000 R08: ffffffff83b08477 R09: fffffbfff1d2d286
R10: fffffbfff1d2d286 R11: 1ffffffff1d2d285 R12: 1ffff1100fc0ac0c
R13: 00000000000e0000 R14: ffff88807e056060 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe820b43b8 CR3: 000000002b3a8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:440
 btrfs_free_block_groups+0xbed/0xf60 fs/btrfs/block-group.c:4125
 close_ctree+0x732/0xce0 fs/btrfs/disk-io.c:4815
 generic_shutdown_super+0x130/0x310 fs/super.c:492
 kill_anon_super+0x36/0x60 fs/super.c:1086
 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2132
 deactivate_locked_super+0xa7/0xf0 fs/super.c:332
 cleanup_mnt+0x494/0x520 fs/namespace.c:1291
 task_work_run+0x243/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x644/0x2150 kernel/exit.c:867
 do_group_exit+0x1fd/0x2b0 kernel/exit.c:1012
 __do_sys_exit_group kernel/exit.c:1023 [inline]
 __se_sys_exit_group kernel/exit.c:1021 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1021
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7a16a26d29
Code: Unable to access opcode bytes at 0x7f7a16a26cff.
RSP: 002b:00007ffd78525b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f7a16ab3450 RCX: 00007f7a16a26d29
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffb8 R09: 00007ffd78520036
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a16ab3450
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>

Crashes (370):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/01/19 09:40 upstream 7287904c8771 66fca3ae .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2022/12/24 06:47 upstream 51094a24b85e 9da18ae8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2022/12/17 23:02 upstream 77856d911a8c 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2022/11/28 10:45 upstream cf562a45a0d5 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2022/11/24 09:06 upstream 4312098baf37 ff68ff8f .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2022/10/21 00:57 upstream 493ffd6605b2 a0fd4dab .config strace log report syz C [disk image] [vmlinux] [mounted in repro] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2023/05/22 21:02 linux-next 715abedee4cd 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/05/21 18:00 linux-next 715abedee4cd 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/02/27 23:23 linux-next 7f7a8831520f e792ae78 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/01/06 11:55 linux-next cc3c08b41a9c 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2022/12/18 02:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2022/12/08 15:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1034e5fa .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2022/11/25 15:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 74a66371 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/29 02:48 upstream c96618275234 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2023/01/21 03:48 upstream ff83fec8179e 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in btrfs_block_rsv_release
2022/10/21 00:40 upstream 493ffd6605b2 a0fd4dab .config console log report info [disk image] [vmlinux] ci2-upstream-fs WARNING in btrfs_block_rsv_release
2023/05/29 03:58 linux-next 715abedee4cd cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/05/28 13:01 linux-next 715abedee4cd cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/05/26 02:46 linux-next 715abedee4cd 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/03/26 03:07 linux-next e5dbf24e8b9e fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/02/19 22:11 linux-next c068f40300a0 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/01/25 02:56 linux-next 691781f561e9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_block_rsv_release
2023/02/07 02:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/06 13:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/06 03:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/05 18:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/05 07:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/04 21:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/04 19:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/04 11:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 1b2f701a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/04 04:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 1b2f701a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/03 20:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 1b2f701a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/03 07:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/03 01:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/02 21:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/02 13:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/02 01:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/01 15:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f57a12aa375c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/01 13:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f57a12aa375c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/01 07:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f57a12aa375c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/01 05:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f57a12aa375c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/02/01 03:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f57a12aa375c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/31 10:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/29 05:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/29 00:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/28 22:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/28 20:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/28 19:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/28 10:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/26 16:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/26 14:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/26 01:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/25 22:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/25 18:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/25 14:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/24 22:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/24 20:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/24 18:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/24 16:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/24 10:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/23 22:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/23 19:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/23 03:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/22 18:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
2023/01/22 13:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_block_rsv_release
* Struck through repros no longer work on HEAD.