syzbot


BUG: unable to handle kernel paging request in fuse_dev_do_write

Status: public: reported C repro on 2019/04/13 00:00
Reported-by: syzbot+a7565dd0277fc5c30921@syzkaller.appspotmail.com
First crash: 2205d, last: 1742d
Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: unable to handle kernel paging request in fuse_dev_do_write 18 379d 444d 0/2 auto-obsoleted due to no activity on 2023/09/03 17:45
android-54 BUG: unable to handle kernel paging request in fuse_dev_do_write C 213 21d 1318d 0/2 upstream: reported C repro on 2020/12/15 11:21
android-5-15 BUG: unable to handle kernel paging request in fuse_dev_do_write 2 379d 381d 0/2 auto-obsoleted due to no activity on 2023/10/10 01:15
android-5-10 BUG: unable to handle kernel paging request in fuse_dev_do_write (2) 1 243d 243d 0/2 auto-obsoleted due to no activity on 2024/02/23 07:02
android-6-1 BUG: unable to handle kernel paging request in fuse_dev_do_write origin:downstream C done 33 33d 433d 0/2 upstream: reported C repro on 2023/05/18 20:01
android-5-10 BUG: unable to handle kernel paging request in fuse_dev_do_write (3) 1 123d 123d 0/2 auto-obsoleted due to no activity on 2024/06/22 11:39

Sample crash report:
random: sshd: uninitialized urandom read (32 bytes read)
random: crng init done
BUG: unable to handle kernel paging request at ffffed005ad4afff
IP: [<ffffffff81862cc6>] fuse_dev_do_write+0x1316/0x23d0 fs/fuse/dev.c:1916
PGD 21fffb067 [   36.135475] PUD 21fff9067 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 2051 Comm: syz-executor112 Not tainted 4.9.143+ #75
task: ffff8801d1458000 task.stack: ffff8801cee38000
RIP: 0010:[<ffffffff81862cc6>]  [<ffffffff81862cc6>] fuse_dev_do_write+0x1316/0x23d0 fs/fuse/dev.c:1916
RSP: 0018:ffff8801cee3f910  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff8801c4f28248 RCX: ffff8801d6a58000
RDX: 1ffff1005ad4afff RSI: ffff8802d6a57fff RDI: ffff8801c4f282f8
RBP: ffff8801cee3fba0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801cee3fbd0 R14: ffff8801cee57840 R15: 1ffff10039dc7f2f
FS:  00007f3d2863b700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed005ad4afff CR3: 00000001cef3a000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff880100000000 ffff8801cee3fbd0 ffff8801c4f28248 ffff8801c4f282f8
 ffffffff00000001 ffff880100001000 ffff8801c4f282e4 ffff8801cee57848
 ffff8801c4f282f0 ffff8801c4f28278 ffff8801cee57850 ffff8801ce81e600
Call Trace:
 [<ffffffff81864ac2>] fuse_dev_write+0x142/0x1d0 fs/fuse/dev.c:1955
 [<ffffffff815082d7>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff815082d7>] __vfs_write+0x3d7/0x580 fs/read_write.c:509
 [<ffffffff8150ab27>] vfs_write+0x187/0x520 fs/read_write.c:557
 [<ffffffff8150e959>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff8150e959>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82818a13>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 02 84 c0 74 08 3c 03 0f 8e 33 10 00 00 8b 83 b0 00 00 00 83 e8 01 48 8d 34 01 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <0f> b6 04 02 48 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 32 0d 00 
RIP  [<ffffffff81862cc6>] fuse_dev_do_write+0x1316/0x23d0 fs/fuse/dev.c:1916
 RSP <ffff8801cee3f910>
CR2: ffffed005ad4afff
---[ end trace 4e838286917712ed ]---

Crashes (46):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/07 18:33 https://android.googlesource.com/kernel/common android-4.9 e16c0406470a 1eb6a7e4 .config console log report syz C ci-android-49-kasan-gce-root
2018/07/12 13:10 https://android.googlesource.com/kernel/common android-4.9 9e7903954483 06c33b3a .config console log report syz C ci-android-49-kasan-gce-root
2019/10/18 13:13 https://android.googlesource.com/kernel/common android-4.9 7fe05eede1c8 8c88c9c1 .config console log report ci-android-49-kasan-gce-root
2019/10/17 04:22 https://android.googlesource.com/kernel/common android-4.9 7fe05eede1c8 8c88c9c1 .config console log report ci-android-49-kasan-gce-root
2019/10/10 20:36 https://android.googlesource.com/kernel/common android-4.9 7fe05eede1c8 a4efa8c0 .config console log report ci-android-49-kasan-gce-root
2019/09/18 08:38 https://android.googlesource.com/kernel/common android-4.9 23f878903720 03e0d245 .config console log report ci-android-49-kasan-gce-root
2019/08/24 02:20 https://android.googlesource.com/kernel/common android-4.9 bb6401356c78 78ded196 .config console log report ci-android-49-kasan-gce-root
2019/08/23 07:19 https://android.googlesource.com/kernel/common android-4.9 9e50cb052183 ca6f3cfa .config console log report ci-android-49-kasan-gce-root
2019/06/28 04:33 https://android.googlesource.com/kernel/common android-4.9 a80a7ab5f7c3 7509bf36 .config console log report ci-android-49-kasan-gce-root
2019/06/20 07:53 https://android.googlesource.com/kernel/common android-4.9 b9dc7bb832a3 34bf9440 .config console log report ci-android-49-kasan-gce-root
2019/06/14 00:18 https://android.googlesource.com/kernel/common android-4.9 b8f2f4b8f6d7 a139f92f .config console log report ci-android-49-kasan-gce-root
2019/06/12 06:05 https://android.googlesource.com/kernel/common android-4.9 e53fcdd909a9 ea2f4006 .config console log report ci-android-49-kasan-gce-root
2019/04/30 04:29 https://android.googlesource.com/kernel/common android-4.9 6cf3205cc803 b617407b .config console log report ci-android-49-kasan-gce-root
2019/03/02 00:44 https://android.googlesource.com/kernel/common android-4.9 1597fdfe52ba 68d9e495 .config console log report ci-android-49-kasan-gce-root
2019/02/06 02:43 https://android.googlesource.com/kernel/common android-4.9 d79aa412c82b d672172c .config console log report ci-android-49-kasan-gce-root
2019/01/28 03:10 https://android.googlesource.com/kernel/common android-4.9 fe0eb27ac6e2 c73f090a .config console log report ci-android-49-kasan-gce-root
2019/01/25 13:46 https://android.googlesource.com/kernel/common android-4.9 046daa57dd62 b5d78bce .config console log report ci-android-49-kasan-gce-root
2019/01/18 08:08 https://android.googlesource.com/kernel/common android-4.9 736cb63e53e4 5bf17c30 .config console log report ci-android-49-kasan-gce-root
2018/12/23 02:59 https://android.googlesource.com/kernel/common android-4.9 a2f9236e8131 e3bd7ab8 .config console log report ci-android-49-kasan-gce-root
2018/12/06 16:32 https://android.googlesource.com/kernel/common android-4.9 e16c0406470a 3ab38479 .config console log report ci-android-49-kasan-gce-root
2018/12/05 09:33 https://android.googlesource.com/kernel/common android-4.9 d29b73e6f441 f162ad97 .config console log report ci-android-49-kasan-gce-root
2018/11/30 00:36 https://android.googlesource.com/kernel/common android-4.9 4dcb0afde6f4 66071e27 .config console log report ci-android-49-kasan-gce-root
2018/11/29 16:33 https://android.googlesource.com/kernel/common android-4.9 c4f2aa8057c4 4b6d14f2 .config console log report ci-android-49-kasan-gce-root
2018/11/25 09:31 https://android.googlesource.com/kernel/common android-4.9 f44ed2c9232d 3d3ec907 .config console log report ci-android-49-kasan-gce-root
2018/11/06 18:49 https://android.googlesource.com/kernel/common android-4.9 80af43361004 8bd6bd63 .config console log report ci-android-49-kasan-gce-root
2018/11/02 01:36 https://android.googlesource.com/kernel/common android-4.9 4ba3f69128be 1f38e9ae .config console log report ci-android-49-kasan-gce-root
2018/10/29 14:36 https://android.googlesource.com/kernel/common android-4.9 4ba3f69128be 7df9db2e .config console log report ci-android-49-kasan-gce-root
2018/10/24 02:33 https://android.googlesource.com/kernel/common android-4.9 b8bd066f13f4 a8292de9 .config console log report ci-android-49-kasan-gce-root
2018/10/20 07:06 https://android.googlesource.com/kernel/common android-4.9 e8abd40f550d ecb386fe .config console log report ci-android-49-kasan-gce-root
2018/10/19 02:49 https://android.googlesource.com/kernel/common android-4.9 a427932c0bb0 9aba67b5 .config console log report ci-android-49-kasan-gce-root
2018/09/26 13:11 https://android.googlesource.com/kernel/common android-4.9 b727d1c1a64f 455b6354 .config console log report ci-android-49-kasan-gce-root
2018/09/26 00:19 https://android.googlesource.com/kernel/common android-4.9 36daaf708bc0 b7e11289 .config console log report ci-android-49-kasan-gce-root
2018/09/25 09:07 https://android.googlesource.com/kernel/common android-4.9 36daaf708bc0 0e7547d7 .config console log report ci-android-49-kasan-gce-root
2018/09/06 19:46 https://android.googlesource.com/kernel/common android-4.9 dcae9fa1319b 0bb7a7eb .config console log report ci-android-49-kasan-gce-root
2018/09/06 07:05 https://android.googlesource.com/kernel/common android-4.9 dcae9fa1319b 873745f2 .config console log report ci-android-49-kasan-gce-root
2018/09/03 17:38 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/02 10:21 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/29 13:27 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 53ff8784 .config console log report ci-android-49-kasan-gce-root
2018/08/21 19:41 https://android.googlesource.com/kernel/common android-4.9 54068d61e7d8 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/13 17:41 https://android.googlesource.com/kernel/common android-4.9 9dc978d43ec7 7a88b141 .config console log report ci-android-49-kasan-gce-root
2018/08/11 16:56 https://android.googlesource.com/kernel/common android-4.9 9dc978d43ec7 7a88b141 .config console log report ci-android-49-kasan-gce-root
2018/08/10 14:32 https://android.googlesource.com/kernel/common android-4.9 92e87041ed2d 1fb62d58 .config console log report ci-android-49-kasan-gce-root
2018/08/01 12:07 https://android.googlesource.com/kernel/common android-4.9 52be322125e5 1477993e .config console log report ci-android-49-kasan-gce-root
2018/07/24 10:31 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 912c93d7 .config console log report ci-android-49-kasan-gce-root
2018/07/21 21:37 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 8cc079c3 .config console log report ci-android-49-kasan-gce-root
2018/07/12 11:47 https://android.googlesource.com/kernel/common android-4.9 9e7903954483 06c33b3a .config console log report ci-android-49-kasan-gce-root
* Struck through repros no longer work on HEAD.