syzbot


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: 790d, last: 12d
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 788d 2241d 0/26 closed as dup on 2023/04/30 04:56
Discussions (11)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (Apr 2024) 0 (1) 2024/04/29 12:35
[syzbot] Monthly mm report (Feb 2024) 0 (1) 2024/02/17 20:23
[syzbot] Monthly mm report (Jan 2024) 0 (1) 2024/01/17 09:21
[syzbot] Monthly mm report (Dec 2023) 0 (1) 2023/12/18 10:47
[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:upstream C done 11 44d 317d 0/3 upstream: reported C repro on 2023/07/08 13:03
Last patch testing requests (11)
Created Duration User Patch Repo Result
2024/02/29 20:51 24m retest repro upstream OK log
2024/02/29 20:51 22m retest repro upstream OK log
2024/02/29 15:52 23m retest repro net-next OK log
2024/02/29 15:52 24m retest repro net-next OK log
2024/02/15 15:14 23m retest repro linux-next error OK
2024/02/15 15:14 21m retest repro linux-next error OK
2024/02/15 15:14 20m retest repro upstream OK log
2024/02/15 15:14 14m retest repro upstream report log
2024/02/15 15:14 22m retest repro linux-next error OK
2024/02/14 23:14 3h16m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 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: 1 PID: 5277 at fs/ext4/inode.c:3512 ext4_dirty_folio+0xff/0x130 fs/ext4/inode.c:3512
Modules linked in:
CPU: 1 PID: 5277 Comm: syz-executor402 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_dirty_folio+0xff/0x130 fs/ext4/inode.c:3512
Code: c1 ed 04 83 e5 01 89 ee e8 7e b2 4a ff 40 84 ed 0f 85 70 ff ff ff e8 f0 b7 4a ff 90 0f 0b 90 e9 62 ff ff ff e8 e2 b7 4a ff 90 <0f> 0b 90 eb 82 48 89 ef e8 24 ef a4 ff e9 35 ff ff ff e8 1a ef a4
RSP: 0018:ffffc90003b37a20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0001a1a140 RCX: ffffffff82424026
RDX: ffff8880239f9e00 RSI: ffffffff824240ce RDI: ffffea0001a1a168
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88806978f2d8
R13: dffffc0000000000 R14: ffffea0001a1a100 R15: ffffea0001a1a140
FS:  00005555611ad480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020738000 CR3: 00000000791dc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 folio_mark_dirty+0xce/0x150 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:127 [inline]
 process_vm_rw_core.constprop.0+0x63b/0xa10 mm/process_vm_access.c:216
 process_vm_rw+0x301/0x360 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe2/0x1c0 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fdff79edb49
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1f 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:00007ffed216ea68 EFLAGS: 00000216 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdff79edb49
RDX: 0000000000000070 RSI: 0000000020c22000 RDI: 000000000000000c
RBP: 00007ffed216eaac R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000216 R12: 00007ffed216eb00
R13: 00007ffed216eac0 R14: 0000000000023cc0 R15: 000000000000000a
 </TASK>

Crashes (7377):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/30 05:40 upstream fe46a7dd189e c52bcb23 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in ext4_dirty_folio
2024/01/14 03:50 upstream 052d534373b7 551587c1 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root 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
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
2023/09/22 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
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
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
2023/08/12 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
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
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
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
2024/05/08 12:11 upstream dccb07f2914c 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2024/05/02 01:38 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2024/04/23 09:51 upstream 4d2008430ce8 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ext4_dirty_folio
2024/04/22 07:07 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2024/04/22 04:45 upstream 3b68086599f8 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2024/04/05 09:31 upstream fe46a7dd189e 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ext4_dirty_folio
2024/03/28 09:27 upstream fe46a7dd189e 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2024/01/30 13:27 upstream 861c0981648f 7f400fcb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2024/01/20 04:32 upstream 9d64bf433c53 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ext4_dirty_folio
2024/01/18 15:43 upstream 296455ade1fd 239abf84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ext4_dirty_folio
2024/01/03 17:11 upstream 610a9b8f49fb 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2023/12/29 02:13 upstream 505e701c0b2c fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ext4_dirty_folio
2023/12/22 06:37 upstream 24e0d2e527a3 4f9530a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ext4_dirty_folio
2023/12/17 21:17 upstream 0e389834672c 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-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
2024/01/09 12:43 upstream 9f8413c4a66f 4807fb37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2024/01/06 22:05 upstream 52b1853b080a d0304e9c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ext4_dirty_folio
2023/12/28 03:04 upstream f5837722ffec fb427a07 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream 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
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
2023/05/10 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
2023/06/18 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
2024/04/03 19:36 linux-next 727900b675b7 fed899ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ext4_dirty_folio
2023/12/12 09:48 linux-next abb240f7a2bd 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root 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
2024/04/10 02:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 56086b24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 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.