syzbot


kernel BUG in insert_state (2)

Status: auto-obsoleted due to no activity on 2024/09/30 07:00
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+d21c74a99c319e88007a@syzkaller.appspotmail.com
First crash: 408d, last: 103d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) :
commit a1912f712188291f9d7d434fba155461f1ebef66
Author: Josef Bacik <josef@toxicpanda.com>
Date: Wed Nov 22 17:17:55 2023 +0000

  btrfs: remove code for inode_cache and recovery mount options

  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (Apr 2024) 0 (1) 2024/04/12 13:18
[syzbot] [btrfs?] kernel BUG in insert_state (2) 0 (2) 2024/03/12 21:43
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in insert_state btrfs 3 578d 629d 0/28 auto-obsoleted due to no activity on 2023/07/03 23:50
Last patch testing requests (7)
Created Duration User Patch Repo Result
2024/08/31 09:32 23m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/06/22 06:38 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/04/10 14:05 17m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/03/04 19:58 21m retest repro upstream OK log
2024/01/27 22:46 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/12/25 09:46 14m retest repro upstream report log
2023/09/16 03:33 13m retest repro upstream report log
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2024/03/12 17:33 4h08m bisect fix upstream OK (1) job log
2023/10/16 07:42 1h57m bisect fix upstream OK (0) job log log

Sample crash report:
RSP: 002b:00007fffa59319d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f85faecb839
RDX: 00007f85faeca9f0 RSI: 0000000020001300 RDI: 0000000000000006
RBP: 00007fffa5931ac0 R08: 00007fffa5931777 R09: 00007fffa5931a90
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f85faf0f319
R13: 00007fffa5931aa0 R14: 0000000000000001 R15: 00007fffa5931ac0
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:379!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5017 Comm: syz-executor183 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline]
RIP: 0010:insert_state+0x38d/0x390 fs/btrfs/extent-io-tree.c:401
Code: e0 32 fe e9 25 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 42 fd ff ff 48 89 df e8 1d e0 32 fe e9 35 fd ff ff e8 43 0e da fd <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 44
RSP: 0018:ffffc90003bbf038 EFLAGS: 00010293
RAX: ffffffff83b1a9ed RBX: 00000000fffffff4 RCX: ffff888020ac0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffff88807be47d80 R08: ffffffff83b1a7cb R09: 1ffffffff1a8407e
R10: dffffc0000000000 R11: fffffbfff1a8407f R12: 0000000000001000
R13: 0000000000000800 R14: 0000000000001fff R15: dffffc0000000000
FS:  00005555571d8380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001300 CR3: 0000000073f11000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __set_extent_bit+0x1106/0x1b00 fs/btrfs/extent-io-tree.c:1151
 set_record_extent_bits+0x51/0x90 fs/btrfs/extent-io-tree.c:1705
 qgroup_reserve_data+0x260/0x8e0 fs/btrfs/qgroup.c:3800
 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:3843
 btrfs_check_data_free_space+0x149/0x240 fs/btrfs/delalloc-space.c:154
 btrfs_delalloc_reserve_space+0x37/0x200 fs/btrfs/delalloc-space.c:467
 btrfs_page_mkwrite+0x334/0xd10 fs/btrfs/inode.c:8272
 do_page_mkwrite+0x1a4/0x600 mm/memory.c:2942
 wp_page_shared mm/memory.c:3294 [inline]
 do_wp_page+0x559/0x3a70 mm/memory.c:3376
 handle_pte_fault mm/memory.c:4955 [inline]
 __handle_mm_fault mm/memory.c:5079 [inline]
 handle_mm_fault+0x1c58/0x5410 mm/memory.c:5233
 do_user_addr_fault arch/x86/mm/fault.c:1392 [inline]
 handle_page_fault arch/x86/mm/fault.c:1486 [inline]
 exc_page_fault+0x266/0x7c0 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:rep_movs_alternative+0x4a/0xb0 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 <f3> a4 c3 0f 1f 00 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 8b 5e 18 4c
RSP: 0018:ffffc90003bbfc10 EFLAGS: 00050206
RAX: ffffffff8436f801 RBX: 0000000020001390 RCX: 0000000000000090
RDX: 0000000000000000 RSI: ffffc90003bbfc80 RDI: 0000000020001300
RBP: ffffc90003bbfdb0 R08: ffffc90003bbfd0f R09: 1ffff92000777fa1
R10: dffffc0000000000 R11: fffff52000777fa2 R12: 0000000000000090
R13: ffffc90003bbfdec R14: 0000000020001300 R15: ffffc90003bbfc80
 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline]
 _copy_to_user+0x86/0xa0 lib/usercopy.c:41
 copy_to_user include/linux/uaccess.h:191 [inline]
 cp_new_stat+0x544/0x6d0 fs/stat.c:412
 __do_sys_newfstat fs/stat.c:459 [inline]
 __se_sys_newfstat fs/stat.c:453 [inline]
 __x64_sys_newfstat+0xf7/0x140 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85faecb839
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa59319d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f85faecb839
RDX: 00007f85faeca9f0 RSI: 0000000020001300 RDI: 0000000000000006
RBP: 00007fffa5931ac0 R08: 00007fffa5931777 R09: 00007fffa5931a90
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f85faf0f319
R13: 00007fffa5931aa0 R14: 0000000000000001 R15: 00007fffa5931ac0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline]
RIP: 0010:insert_state+0x38d/0x390 fs/btrfs/extent-io-tree.c:401
Code: e0 32 fe e9 25 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 42 fd ff ff 48 89 df e8 1d e0 32 fe e9 35 fd ff ff e8 43 0e da fd <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 44
RSP: 0018:ffffc90003bbf038 EFLAGS: 00010293
RAX: ffffffff83b1a9ed RBX: 00000000fffffff4 RCX: ffff888020ac0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffff88807be47d80 R08: ffffffff83b1a7cb R09: 1ffffffff1a8407e
R10: dffffc0000000000 R11: fffffbfff1a8407f R12: 0000000000001000
R13: 0000000000000800 R14: 0000000000001fff R15: dffffc0000000000
FS:  00005555571d8380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001300 CR3: 0000000073f11000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	75 f1                	jne    0xfffffff3
   2:	c3                   	ret
   3:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   a:	00 00 00
   d:	0f 1f 00             	nopl   (%rax)
  10:	48 8b 06             	mov    (%rsi),%rax
  13:	48 89 07             	mov    %rax,(%rdi)
  16:	48 83 c6 08          	add    $0x8,%rsi
  1a:	48 83 c7 08          	add    $0x8,%rdi
  1e:	83 e9 08             	sub    $0x8,%ecx
  21:	74 df                	je     0x2
  23:	83 f9 08             	cmp    $0x8,%ecx
  26:	73 e8                	jae    0x10
  28:	eb c9                	jmp    0xfffffff3
* 2a:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction
  2c:	c3                   	ret
  2d:	0f 1f 00             	nopl   (%rax)
  30:	4c 8b 06             	mov    (%rsi),%r8
  33:	4c 8b 4e 08          	mov    0x8(%rsi),%r9
  37:	4c 8b 56 10          	mov    0x10(%rsi),%r10
  3b:	4c 8b 5e 18          	mov    0x18(%rsi),%r11
  3f:	4c                   	rex.WR

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/22 04:10 upstream f7757129e3de 6b415825 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in insert_state
2023/12/26 12:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in insert_state
2024/01/07 19:49 upstream 52b1853b080a d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in insert_state
2023/08/31 23:24 upstream b97d64c72259 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in insert_state
2023/12/26 11:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in insert_state
2023/11/30 01:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2cc14f52aeb7 6e78f9ce .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in insert_state
2023/11/17 13:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in insert_state
* Struck through repros no longer work on HEAD.