syzbot


WARNING in ext4_dirty_folio
Status: upstream: reported on 2022/03/26 15:24
Reported-by: syzbot+ecab51a4a5b9f26eeaa1@syzkaller.appspotmail.com
First crash: 66d, last: 1h22m

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 26367 at fs/ext4/inode.c:3611 ext4_dirty_folio+0x16d/0x340
Modules linked in:
CPU: 0 PID: 26367 Comm: syz-executor.1 Not tainted 5.18.0-syzkaller-10037-g7e284070abe5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_dirty_folio+0x16d/0x340 fs/ext4/inode.c:3611
Code: 48 83 3b 00 74 1f e8 32 9f 4d ff 48 8b 3c 24 4c 89 ee 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 f8 57 bf ff e8 13 9f 4d ff <0f> 0b eb dd e8 0a 9f 4d ff 0f 0b eb af e8 01 9f 4d ff e9 3d 01 00
RSP: 0018:ffffc90002f5f9f0 EFLAGS: 00010246
RAX: ffffffff8239cfcd RBX: ffffea00017a4ee8 RCX: 0000000000040000
RDX: ffffc900183c4000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffffd40002f49d8 R08: ffffffff8239cf02 R09: fffff940002f49d9
R10: fffff940002f49d9 R11: 1ffffd40002f49d8 R12: dffffc0000000000
R13: ffffea00017a4ec0 R14: 0000000000000001 R15: ffffea00017a4ec8
FS:  00007fe29880a700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 000000004915d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unpin_user_pages_dirty_lock+0x3d5/0x710 mm/gup.c:334
 process_vm_rw_single_vec+0x4b4/0x630 mm/process_vm_access.c:126
 process_vm_rw_core mm/process_vm_access.c:215 [inline]
 process_vm_rw+0x5a2/0x800 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+0xdc/0xf0 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fe297689109
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fe29880a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007fe29779c100 RCX: 00007fe297689109
RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000000179
RBP: 00007fe2976e308d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd52c4fddf R14: 00007fe29880a300 R15: 0000000000022000
 </TASK>

Crashes (530):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2022/05/27 09:23 upstream 7e284070abe5 116e7a7b .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-smack-root 2022/05/26 20:29 upstream babf0bb978e3 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream 2022/05/24 14:36 upstream 143a6252e1b8 fcfad4ff .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream 2022/05/22 10:37 upstream eaea45fc0e7b 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream 2022/05/22 09:09 upstream eaea45fc0e7b 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-root 2022/05/22 08:40 upstream eaea45fc0e7b 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-selinux-root 2022/05/21 20:22 upstream 6c3f5bec9b40 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-smack-root 2022/05/20 14:42 upstream 3d7285a335ed cb1ac2e7 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-root 2022/05/19 11:57 upstream f993aed406ea 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream 2022/05/19 08:59 upstream f993aed406ea 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-selinux-root 2022/05/18 18:55 upstream ef1302160bfb 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-smack-root 2022/05/18 17:32 upstream ef1302160bfb 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-kasan-gce-root 2022/03/25 16:10 upstream 34af78c4e616 89bc8608 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream-386 2022/05/25 02:04 upstream 0350785b0a09 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream-386 2022/05/23 23:14 upstream 5dc921868c50 e7f9308d .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream-386 2022/05/19 14:35 upstream f993aed406ea cb1ac2e7 .config log report info WARNING in ext4_dirty_folio
ci-qemu-upstream-386 2022/05/18 20:53 upstream ef1302160bfb 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/27 18:10 net 4548ad7287c4 116e7a7b .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/27 05:49 net 4548ad7287c4 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/25 18:15 net 7fb0269720d7 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/25 11:13 net 7fb0269720d7 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/25 05:26 net 7fb0269720d7 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/24 01:48 net 7fb0269720d7 e7f9308d .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/24 00:42 net 7fb0269720d7 e7f9308d .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/23 12:29 net 8c3b8dc5cc9b 4c7657cb .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/23 03:03 net c12b95885ab2 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/22 14:41 net eb4c07889647 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/21 16:14 net eb4c07889647 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/19 06:48 net 090f9dd092c6 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/19 06:22 net 090f9dd092c6 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/19 00:59 net 6fd45e79e8b9 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-this-kasan-gce 2022/05/18 14:34 net 6fd45e79e8b9 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/26 22:14 net-next 7e062cda7d90 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/26 13:33 net-next 7e062cda7d90 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/26 12:21 net-next 7e062cda7d90 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/26 00:32 net-next 7e062cda7d90 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/25 21:36 net-next 7e062cda7d90 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/25 06:35 net-next 57d7becda9c9 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/23 10:09 net-next 1e39b27bd9d1 4c7657cb .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/22 21:05 net-next 60f243ad1426 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/22 12:54 net-next aa5334b1f968 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/21 05:46 net-next aa5334b1f968 7268fa62 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/21 03:00 net-next b6d261449e6e bd37ad7e .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/20 22:23 net-next b6d261449e6e bd37ad7e .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/20 17:46 net-next b6d261449e6e bd37ad7e .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/19 21:06 net-next c1318b39c7d3 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/19 05:17 net-next 309ec443079b 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/18 15:55 net-next a3641ca416a3 50c53f39 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/18 07:10 net-next 6e144b47f560 744a39e2 .config log report info WARNING in ext4_dirty_folio
ci-upstream-net-kasan-gce 2022/05/18 05:17 net-next 65a9dedc11d6 744a39e2 .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/05/26 01:33 linux-next 8cb8311e95e3 3037caa9 .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/05/25 15:05 linux-next 8cb8311e95e3 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/05/25 12:59 linux-next 8cb8311e95e3 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/05/25 00:47 linux-next 09ce5091ff97 647c0e27 .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/05/23 11:23 linux-next 18ecd30af1a8 4c7657cb .config log report info WARNING in ext4_dirty_folio
ci-upstream-linux-next-kasan-gce-root 2022/03/22 15:22 linux-next f8833a2b2356 d88ef0c5 .config log report info WARNING in ext4_dirty_folio