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WARNING in ext4_dirty_folio

Status: upstream: reported C repro on 2022/03/26 15:24
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+ecab51a4a5b9f26eeaa1@syzkaller.appspotmail.com
First crash: 629d, last: 3d18h
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING in ext4_set_page_dirty mm C inconclusive done 18414 626d 2080d 0/25 closed as dup on 2023/04/30 04:56
▶ ▼ Discussions (7)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (Nov 2023) 0 (1) 2023/11/15 03:00
[syzbot] Monthly mm report (Sep 2023) 0 (1) 2023/09/11 10:07
[syzbot] Monthly mm report (Jul 2023) 0 (1) 2023/07/10 12:44
[syzbot] Monthly mm report (Jun 2023) 0 (1) 2023/06/07 22:37
[syzbot] WARNING in ext4_dirty_folio 1 (3) 2023/04/29 21:47
[syzbot] Monthly ext4 report (Apr 2023) 0 (1) 2023/04/28 15:06
[syzbot] [ext4] Monthly Report 0 (1) 2023/03/24 15:59
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in ext4_dirty_folio origin:lts-only C done 9 68d 156d 0/3 upstream: reported C repro on 2023/07/08 13:03
▶ ▼ Last patch testing requests (11)
Created Duration User Patch Repo Result
2023/12/08 00:50 1h23m retest repro upstream OK log
2023/12/08 00:50 59m retest repro upstream OK log
2023/12/08 00:50 1h09m retest repro upstream OK log
2023/12/08 00:50 27m retest repro upstream report log
2023/12/08 00:50 29m retest repro upstream OK log
2023/12/07 21:13 16m retest repro net-next error OK
2023/12/07 21:13 2h11m retest repro net-next error OK
2023/11/23 18:17 2h42m retest repro upstream OK log
2023/11/23 18:17 22m retest repro upstream OK log
2023/11/23 18:17 22m retest repro upstream OK log
2022/06/11 04:34 17m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git cf67838c4422 OK log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5038 at fs/ext4/inode.c:3533 ext4_dirty_folio+0xfc/0x130 fs/ext4/inode.c:3533
Modules linked in:
CPU: 0 PID: 5038 Comm: syz-executor226 Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:ext4_dirty_folio+0xfc/0x130 fs/ext4/inode.c:3533
Code: 31 ff 48 c1 ed 04 83 e5 01 89 ee e8 8e 73 54 ff 40 84 ed 0f 85 70 ff ff ff e8 50 78 54 ff 0f 0b e9 64 ff ff ff e8 44 78 54 ff <0f> 0b eb 86 48 89 ef e8 48 2b aa ff e9 39 ff ff ff e8 3e 2b aa ff
RSP: 0018:ffffc90004377a30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea00004a3100 RCX: 0000000000000000
RDX: ffff888075e68000 RSI: ffffffff82334cac RDI: ffffea00004a3128
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807604b6d8
R13: dffffc0000000000 R14: ffffea00004a3100 R15: ffffea00004a3100
FS:  00007f555b19b6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002034afa4 CR3: 000000007af8f000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 folio_mark_dirty+0xc3/0x130 mm/page-writeback.c:2781
 unpin_user_pages_dirty_lock+0x432/0x4e0 mm/gup.c:395
 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline]
 process_vm_rw_core.constprop.0+0x875/0xa10 mm/process_vm_access.c:215
 process_vm_rw+0x2ff/0x360 mm/process_vm_access.c:283
 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline]
 __x64_sys_process_vm_writev+0xe2/0x1b0 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f55634fe3a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f555b19b208 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f55635856d8 RCX: 00007f55634fe3a9
RDX: 0000000000000070 RSI: 0000000020c22000 RDI: 00000000000013ae
RBP: 00007f55635856d0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 00007f55635527cc
R13: 00007f5563552047 R14: 0030656c69662f2e R15: 6576652e73646970
 </TASK>

Crashes (7354):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/22 11:42 upstream 27bbf45eae9c 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/08/27 05:49 upstream 3b35375f19fe 03d9c195 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root WARNING in ext4_dirty_folio
2022/12/14 07:41 net-next-old 7c4a6309e27f e660de91 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ext4_dirty_folio
2022/06/08 12:10 net-next-old ba36c5b7ac93 b2706118 .config strace log report syz C ci-upstream-net-kasan-gce WARNING in ext4_dirty_folio
2023/03/26 21:43 linux-next e5dbf24e8b9e fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2022/08/31 05:47 linux-next 282342f2dc97 4a380809 .config console log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/08/12 14:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6f09e57d8cf6 39990d51 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in ext4_dirty_folio
2022/08/28 05:21 linux-next 8d0c42c9e807 07177916 .config console log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/07/10 01:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e40939bbfc68 668cb1fa .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in ext4_dirty_folio
2022/11/28 20:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 247de55b .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ext4_dirty_folio
2022/10/27 14:21 upstream 98555239e4c3 86777b7f .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2022/12/31 10:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 ab32d508 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ext4_dirty_folio
2023/03/26 20:26 upstream da8e7da11e4b fbf0499a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2023/01/16 17:09 upstream 5dc4c995db9e a63719e7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/01/09 12:46 upstream 1fe4fd6f5cad 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2022/10/08 16:11 upstream e8bc52cb8df8 aea5da89 .config console log report syz C [disk image] [vmlinux] ci-upstream-kasan-gce-selinux-root WARNING in ext4_dirty_folio
2022/09/17 21:04 upstream a335366bad13 dd9a85ff .config console log report syz C ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2022/09/13 18:22 upstream e839a756012b a08652b0 .config console log report syz C [disk image] [vmlinux] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2022/07/22 17:07 upstream 68e77ffbfd06 22343af4 .config console log report syz C ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2022/07/19 02:46 upstream 80e19f34c288 ff988920 .config console log report syz C ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2022/12/14 14:47 net-old 7ae9888d6e1c f6511626 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2022/06/08 11:36 net-old cf67838c4422 b2706118 .config strace log report syz C ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/02/26 13:07 upstream 1ec35eadc3b4 ee50e71c .config strace log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/10/28 14:34 upstream 56567a20b22b 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2023/10/02 16:31 upstream 8a749fd1a872 50b20e75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ext4_dirty_folio
2023/09/30 17:36 upstream 9f3ebbef746f 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/09/30 10:34 upstream 9f3ebbef746f 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/09/17 02:56 upstream f0b0d403eabb 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2023/09/06 06:05 upstream 7733171926cc 8bc9053e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/11/23 21:11 upstream d3fa86b1a7b4 5b429f39 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/11/07 00:33 upstream be3ca57cfb77 83211397 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/09/06 10:58 upstream 65d6e954e378 736a3c37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/08/22 02:06 upstream f7757129e3de 6b415825 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/07/18 18:39 upstream 74f1456c4a5f 022df2bb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/06/24 05:44 upstream 61dabacdad4e 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/06/22 21:12 upstream dad9774deaf1 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/06/08 13:37 upstream 5f63595ebd82 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/29 21:53 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/05/08 05:09 upstream 17784de648be 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/05/06 15:40 upstream 2e1e1337881b 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/06 14:20 upstream 2e1e1337881b 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/06 06:41 upstream 418d5c98319f 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/06 03:38 upstream 418d5c98319f 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/06 01:07 upstream 418d5c98319f 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 23:59 upstream 418d5c98319f 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 21:50 upstream 78b421b6a7c6 acf730dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 20:33 upstream 78b421b6a7c6 4cec9341 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/05/05 19:24 upstream 78b421b6a7c6 acf730dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 17:07 upstream 78b421b6a7c6 acf730dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 13:26 upstream 78b421b6a7c6 acf730dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 09:33 upstream 3c4aa4434377 518a39a6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 03:41 upstream 3c4aa4434377 518a39a6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/05 02:06 upstream 3c4aa4434377 518a39a6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/04 17:20 upstream 1a5304fecee5 44cadb8c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/04 13:46 upstream 1a5304fecee5 44cadb8c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/04 11:44 upstream 1a5304fecee5 3a560463 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ext4_dirty_folio
2023/05/04 10:03 upstream fa31fc82fb77 5b7ff9dd .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/04 07:13 upstream fa31fc82fb77 5b7ff9dd .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/04 03:41 upstream fa31fc82fb77 b5918830 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 21:59 upstream 348551ddaf31 b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2023/05/03 20:23 upstream 348551ddaf31 b5918830 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 17:54 upstream 348551ddaf31 b5918830 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2022/03/25 16:10 upstream 34af78c4e616 89bc8608 .config console log report info ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2023/06/22 10:35 upstream dad9774deaf1 79782afc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/05/04 08:56 upstream fa31fc82fb77 5b7ff9dd .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/05/10 14:21 net 90cbed524743 0fbd49f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/07 17:40 net 27c1eaa07283 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/07 13:59 net ed23734c23d2 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/06 09:58 net ed23734c23d2 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/05 03:55 net b9850ec0027c 518a39a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/04 15:32 net b9850ec0027c 3a560463 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/06/18 04:40 net-next a52305a81d6b f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ext4_dirty_folio
2023/05/05 15:51 net-next cb9e6e584d58 518a39a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ext4_dirty_folio
2023/11/09 18:08 linux-next e27090b1413f 56230772 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/08/28 19:52 linux-next 2ee82481c392 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/08/22 16:59 linux-next 28c736b0e92e b81ca3f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/06/23 10:37 linux-next 8d2be868b42c 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2022/03/22 15:22 linux-next f8833a2b2356 d88ef0c5 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
* Struck through repros no longer work on HEAD.