syzbot


WARNING in __btrfs_free_extent

Status: upstream: reported C repro on 2022/11/02 22:30
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+560e6a32d484d7293e37@syzkaller.appspotmail.com
First crash: 536d, last: 3d04h
Cause bisection: failed (error log, bisect log)
  
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (Apr 2024) 0 (1) 2024/04/12 13:18
[syzbot] Monthly btrfs report (Mar 2024) 0 (1) 2024/03/12 09:29
[syzbot] WARNING in __btrfs_free_extent 0 (1) 2022/11/02 22:30
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in __btrfs_free_extent btrfs C error 4 474d 492d 0/1 upstream: reported C repro on 2022/12/14 03:41
Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/04/16 04:42 16m retest repro upstream report log
2024/04/16 04:42 23m retest repro upstream report log
2024/04/16 04:42 16m retest repro upstream report log
2024/04/16 04:42 19m retest repro upstream report log
2024/04/16 04:42 15m retest repro upstream report log
2024/02/21 01:18 19m retest repro upstream OK log
2024/02/21 01:19 14m retest repro upstream report log
2024/02/21 01:18 31m retest repro upstream report log
2024/02/21 01:19 14m retest repro upstream report log
2024/02/21 01:19 15m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
BTRFS: Transaction aborted (error -2)
WARNING: CPU: 0 PID: 5185 at fs/btrfs/extent-tree.c:3017 do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline]
WARNING: CPU: 0 PID: 5185 at fs/btrfs/extent-tree.c:3017 __btrfs_free_extent+0x3212/0x3910 fs/btrfs/extent-tree.c:3391
Modules linked in:
CPU: 0 PID: 5185 Comm: btrfs-transacti Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline]
RIP: 0010:__btrfs_free_extent+0x3212/0x3910 fs/btrfs/extent-tree.c:3391
Code: ea 8b 44 89 ee e8 ce 78 b3 fd 90 0f 0b 90 90 e9 5a f3 ff ff e8 8f a4 f0 fd 90 48 c7 c7 40 9a ea 8b 44 89 ee e8 af 78 b3 fd 90 <0f> 0b 90 90 e9 68 f3 ff ff e8 70 a4 f0 fd 90 48 c7 c7 40 9a ea 8b
RSP: 0018:ffffc90004c87460 EFLAGS: 00010246
RAX: 407626eca171e700 RBX: ffff888076304001 RCX: ffff8880236e5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004c87640 R08: ffffffff8157cc12 R09: 1ffff110172851a2
R10: dffffc0000000000 R11: ffffed10172851a3 R12: dffffc0000000000
R13: 00000000fffffffe R14: 0000000000000000 R15: ffff8880771ca4a0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d4a6906c0 CR3: 000000007d7e8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1770 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1797 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2062 [inline]
 __btrfs_run_delayed_refs+0x130d/0x46c0 fs/btrfs/extent-tree.c:2132
 btrfs_run_delayed_refs+0xe3/0x2c0 fs/btrfs/extent-tree.c:2244
 btrfs_commit_transaction+0x4be/0x3740 fs/btrfs/transaction.c:2186
 transaction_kthread+0x28a/0x500 fs/btrfs/disk-io.c:1607
 kthread+0x2f2/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>

Crashes (117):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/22 15:30 upstream fe46a7dd189e 7a239ce7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in __btrfs_free_extent
2024/02/27 02:26 upstream d206a76d7d27 da36a36b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/07 13:17 upstream 52b1853b080a d0304e9c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2023/12/05 22:47 upstream bee0e7762ad2 858d62d1 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2023/08/23 06:47 upstream 53663f4103ff b81ca3f6 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in __btrfs_free_extent
2023/08/22 06:27 upstream f7757129e3de 6b415825 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in __btrfs_free_extent
2023/08/20 16:06 upstream 9e6c269de404 d216d8a0 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in __btrfs_free_extent
2023/08/14 14:32 upstream 2ccdd1b13c59 39990d51 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in __btrfs_free_extent
2023/08/08 20:08 upstream 14f9643dc90a 3c27dfcd .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in __btrfs_free_extent
2023/06/28 09:01 upstream 6f612579be9d 4cd5bb25 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/06/25 14:09 upstream a92b7d26c743 09ffe269 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/06/23 21:28 upstream 8a28a0b6f1a1 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/06/23 10:16 upstream 8a28a0b6f1a1 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/06/19 02:03 upstream 8c1f0c38b310 f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/06/17 07:10 upstream 40f71e7cd3c6 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2023/02/22 20:24 upstream 5b7c4cabbb65 409945bc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in __btrfs_free_extent
2023/01/02 16:50 upstream 88603b6dc419 ab32d508 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2022/12/28 15:14 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in __btrfs_free_extent
2022/10/31 03:49 upstream b229b6ca5abb 2a71366b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/04/02 04:27 upstream 026e680b0a08 6baf5069 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in __btrfs_free_extent
2024/04/02 00:08 upstream 026e680b0a08 6baf5069 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in __btrfs_free_extent
2024/04/01 16:47 upstream 39cd87c4eb2b 6baf5069 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in __btrfs_free_extent
2024/03/30 22:51 upstream 486291a0e624 6baf5069 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in __btrfs_free_extent
2024/03/30 12:35 upstream 486291a0e624 6baf5069 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in __btrfs_free_extent
2023/01/22 13:27 linux-next d514392f17fd 559a440a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in __btrfs_free_extent
2022/12/03 03:13 upstream a4412fdd49dc e080de16 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/11 08:21 upstream fa4b851b4ad6 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/11 07:01 upstream fa4b851b4ad6 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/10 17:30 upstream 005f6f34bd47 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/10 07:28 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/09 12:07 upstream 10d48d70e82d 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/09 03:42 upstream 10d48d70e82d 8e75c913 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/08 21:37 upstream 3aaa8ce7a335 8e75c913 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/08 04:46 upstream 3aaa8ce7a335 cf82cde1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/08 01:23 upstream 135288b73cef 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/07 20:14 upstream 135288b73cef 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/07 17:58 upstream 67be068d31d4 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/07 16:50 upstream 67be068d31d4 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/07 12:07 upstream 67be068d31d4 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/06 18:37 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/06 17:34 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/05 17:27 upstream 90d35da658da f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/04 02:15 upstream 58c806d867bf 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/02 14:41 upstream 17ba56605bfd 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/03/01 01:37 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/29 23:10 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/29 18:51 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/29 10:56 upstream e326df53af00 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/29 08:53 upstream e326df53af00 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/29 05:12 upstream e326df53af00 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/28 17:51 upstream cf1182944c7c 55d6f11d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/28 10:13 upstream cf1182944c7c d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/28 06:18 upstream cf1182944c7c d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/27 15:41 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/27 12:13 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/27 06:18 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/26 07:36 upstream 70ff1fe626a1 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/25 14:58 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/02/07 01:12 upstream 99bd3cb0d12e 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/30 10:20 upstream 861c0981648f 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/28 06:47 upstream 8a696a29c690 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/28 03:40 upstream 8a696a29c690 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/16 14:06 upstream 052d534373b7 2a7bcc7f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/14 03:46 upstream 052d534373b7 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/13 12:35 upstream 052d534373b7 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/11 15:43 upstream de927f6c0b07 00f3cc59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/11 04:26 upstream ab27740f7665 04815ef1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2024/01/11 00:34 upstream ab27740f7665 04815ef1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
2023/06/28 01:51 upstream e8f75c0270d9 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __btrfs_free_extent
2022/12/09 20:22 upstream 0d1409e4ff08 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __btrfs_free_extent
2022/10/31 03:26 upstream b229b6ca5abb 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __btrfs_free_extent
* Struck through repros no longer work on HEAD.