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===================================================== BUG: KMSAN: uninit-value in pagecache_write+0x655/0x720 fs/ext4/verity.c:91 pagecache_write+0x655/0x720 fs/ext4/verity.c:91 ext4_write_merkle_tree_block+0x84/0xa0 fs/ext4/verity.c:389 build_merkle_tree_level+0x972/0x1250 fs/verity/enable.c:121 build_merkle_tree fs/verity/enable.c:182 [inline] enable_verity+0xede/0x1920 fs/verity/enable.c:268 fsverity_ioctl_enable+0x895/0xab0 fs/verity/enable.c:392 __ext4_ioctl fs/ext4/ioctl.c:1572 [inline] ext4_ioctl+0x26dd/0x8c50 fs/ext4/ioctl.c:1606 ext4_compat_ioctl+0x702/0x800 fs/ext4/ioctl.c:1682 __do_compat_sys_ioctl fs/ioctl.c:968 [inline] __se_compat_sys_ioctl+0x781/0xfa0 fs/ioctl.c:910 __ia32_compat_sys_ioctl+0x8f/0xd0 fs/ioctl.c:910 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Local variable fsdata created at: pagecache_write+0x21c/0x720 fs/ext4/verity.c:85 ext4_write_merkle_tree_block+0x84/0xa0 fs/ext4/verity.c:389 CPU: 1 PID: 15121 Comm: syz-executor.3 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================
| Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ci-upstream-kmsan-gce-386 | 2022/10/21 16:21 | https://github.com/google/kmsan.git master | 968c2729e576 | 4bfd3c27 | .config | console log | report | info | [disk image] [vmlinux] | KMSAN: uninit-value in pagecache_write | ||
| ci-upstream-kmsan-gce-386 | 2022/10/18 16:06 | https://github.com/google/kmsan.git master | 968c2729e576 | b31320fc | .config | console log | report | info | [disk image] [vmlinux] | KMSAN: uninit-value in pagecache_write | ||
| ci-upstream-kmsan-gce-386 | 2022/10/05 13:56 | https://github.com/google/kmsan.git master | 968c2729e576 | 267e3bb1 | .config | console log | report | info | [disk image] [vmlinux] | KMSAN: uninit-value in pagecache_write | ||
| ci-upstream-kmsan-gce-386 | 2022/10/05 11:12 | https://github.com/google/kmsan.git master | 968c2729e576 | 267e3bb1 | .config | console log | report | info | [disk image] [vmlinux] | KMSAN: uninit-value in pagecache_write | ||
| ci-upstream-kmsan-gce-386 | 2022/09/30 17:22 | https://github.com/google/kmsan.git master | 968c2729e576 | feb56351 | .config | console log | report | info | [disk image] [vmlinux] | KMSAN: uninit-value in pagecache_write |