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WARNING in ext4_dirty_folio

Status: upstream: reported C repro on 2022/03/26 15:24
Labels: mm (incorrect?)
Reported-by: syzbot+ecab51a4a5b9f26eeaa1@syzkaller.appspotmail.com
First crash: 437d, 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 434d 1888d 0/24 closed as dup on 2023/04/30 04:56
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[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
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
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: 5127 at fs/ext4/inode.c:3713 ext4_dirty_folio+0x159/0x310
Modules linked in:
CPU: 1 PID: 5127 Comm: syz-executor645 Not tainted 6.3.0-rc3-syzkaller-00338-gda8e7da11e4b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:ext4_dirty_folio+0x159/0x310 fs/ext4/inode.c:3713
Code: 48 83 3b 00 74 1f e8 56 44 50 ff 48 8b 3c 24 4c 89 fe 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc 8f c5 ff e8 37 44 50 ff <0f> 0b eb dd e8 2e 44 50 ff 0f 0b eb af e8 25 44 50 ff 4c 89 ff 48
RSP: 0018:ffffc900044cfac0 EFLAGS: 00010293
RAX: ffffffff823a2829 RBX: ffffea0001c80ba8 RCX: ffff88801ee70000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffffd4000390170 R08: ffffffff823a276a R09: fffff94000390171
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001c80b88 R14: 0000000000000001 R15: ffffea0001c80b80
FS:  00007f177c49a700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002034afa4 CR3: 000000007e9a6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unpin_user_pages_dirty_lock+0x2f2/0x540 mm/gup.c:350
 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline]
 process_vm_rw_core mm/process_vm_access.c:215 [inline]
 process_vm_rw+0x94e/0xcd0 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+0xe0/0xf0 mm/process_vm_access.c:298
 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: 0033:0x7f177cd356f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 18 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:00007f177c49a2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f177cd356f9
RDX: 0000000000000070 RSI: 0000000020c22000 RDI: 0000000000000006
RBP: 00007f177cdb74c8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 00007ffdb2c23fee
R13: 00007f177cdb74c0 R14: 00007f177cdb74cc R15: 00007f177cd84270
 </TASK>

Crashes (7330):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
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
2023/03/26 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
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
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
2023/05/03 14:50 upstream 348551ddaf31 b5918830 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 13:21 upstream 348551ddaf31 b5918830 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 09:46 upstream 7df047b3f0aa 48e0a81d .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 02:56 upstream 7df047b3f0aa 48e0a81d .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/03 01:25 upstream 7df047b3f0aa 48e0a81d .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/02 22:14 upstream 7df047b3f0aa 48e0a81d .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/02 14:11 upstream 865fdb08197e 52d40fd2 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/02 12:59 upstream 865fdb08197e 52d40fd2 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/02 03:37 upstream c8c655c34e33 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ext4_dirty_folio
2023/05/02 00:38 upstream c8c655c34e33 62df2017 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/01 23:34 upstream c8c655c34e33 62df2017 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/01 10:22 upstream 58390c8ce1bd 62df2017 .config console log report info ci-qemu-upstream WARNING in ext4_dirty_folio
2023/05/01 01:47 upstream 58390c8ce1bd 62df2017 .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
2023/05/04 08:56 upstream fa31fc82fb77 5b7ff9dd .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/05/02 23:58 upstream 7df047b3f0aa 48e0a81d .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/05/01 21:55 upstream c8c655c34e33 62df2017 .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/04/30 23:48 upstream 58390c8ce1bd 62df2017 .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/04/30 22:06 upstream 58390c8ce1bd 62df2017 .config console log report info ci-qemu-upstream-386 WARNING in ext4_dirty_folio
2023/04/30 17:00 upstream 825a0714d2b3 62df2017 .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
2023/05/03 16:22 net 6a341729fb31 b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/05/03 07:48 net c6d96df9fa2c 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ext4_dirty_folio
2023/04/30 15:38 net 6686317855c6 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-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
2023/05/02 15:48 net-next 042334a8d424 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ext4_dirty_folio
2023/04/05 02:29 linux-next 6a53bda3aaf3 831373d3 .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.