syzbot


WARNING in fuse_get_tree
Status: upstream: reported C repro on 2021/07/30 23:48
Reported-by: syzbot+afacc3ce1215afa24615@syzkaller.appspotmail.com
Fix commit: 5d5b74aa9c76 fuse: allow sharing existing sb
Patched on: [ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-riscv64 ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 52d, last: 41d

Cause bisection: introduced by (bisect log) [merge commit]:
commit fdcebbc2ac2cfd82a18857b0c85067fa7e8f5233
Author: Jason Gunthorpe <jgg@nvidia.com>
Date: Tue Jun 22 17:42:52 2021 +0000

  Merge tag 'v5.13-rc7' into rdma.git for-next

Crash: BUG: sleeping function called from invalid context in lock_sock_nested (log)
Repro: C syz .config

Sample crash report:

Crashes (22):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/07/27 11:50 linux-next 2265c5286967 fd511809 .config log report syz C WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/06 10:44 linux-next 8d4b477da1a8 f9e341e3 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/05 15:13 linux-next 8d4b477da1a8 7f7bb950 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/05 15:06 linux-next 8d4b477da1a8 7f7bb950 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/04 03:19 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/04 02:47 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/03 16:02 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/02 20:21 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/02 20:18 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/02 20:18 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/08/02 20:08 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/31 06:01 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/31 05:55 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/30 20:55 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/30 18:02 linux-next 8d4b477da1a8 6c236867 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/29 07:43 linux-next 5a4cee98ea75 9a4781d4 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/29 00:44 linux-next 42d0b5f52c9b 9a4781d4 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/28 14:12 linux-next 42d0b5f52c9b 17d6ab15 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/27 11:57 linux-next 2265c5286967 fd511809 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/27 11:26 linux-next 2265c5286967 fd511809 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/27 11:26 linux-next 2265c5286967 fd511809 .config log report info WARNING in fuse_get_tree
ci-upstream-linux-next-kasan-gce-root 2021/07/26 23:43 linux-next 2265c5286967 fd511809 .config log report info WARNING in fuse_get_tree