Title | Replies (including bot) | Last reply |
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Re: [syzbot] [PATCH] netfs: Fix a KMSAN uninit-value error in netfs_clear_buffer | 0 (1) | 2024/09/21 00:23 |
[syzbot] [netfs?] KMSAN: uninit-value in netfs_clear_buffer | 0 (1) | 2024/09/20 17:00 |
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Re: [syzbot] [PATCH] netfs: Fix a KMSAN uninit-value error in netfs_clear_buffer | 0 (1) | 2024/09/21 00:23 |
[syzbot] [netfs?] KMSAN: uninit-value in netfs_clear_buffer | 0 (1) | 2024/09/20 17:00 |
===================================================== BUG: KMSAN: uninit-value in netfs_clear_buffer+0x216/0x4e0 fs/netfs/misc.c:75 netfs_clear_buffer+0x216/0x4e0 fs/netfs/misc.c:75 netfs_free_request+0x51f/0x890 fs/netfs/objects.c:146 netfs_put_request+0x161/0x360 fs/netfs/objects.c:170 netfs_write_collection_worker+0x7337/0x7c20 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3312 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3393 kthread+0x3e2/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit was created at: slab_post_alloc_hook mm/slub.c:3995 [inline] slab_alloc_node mm/slub.c:4038 [inline] __kmalloc_cache_noprof+0x4f0/0xb00 mm/slub.c:4185 kmalloc_noprof include/linux/slab.h:690 [inline] netfs_buffer_append_folio+0x2cf/0x8b0 fs/netfs/misc.c:25 netfs_write_folio+0x1120/0x3050 fs/netfs/write_issue.c:421 netfs_writepages+0xe60/0x1670 fs/netfs/write_issue.c:541 do_writepages+0x427/0xc30 mm/page-writeback.c:2683 filemap_fdatawrite_wbc+0x1d8/0x270 mm/filemap.c:397 __filemap_fdatawrite_range mm/filemap.c:430 [inline] __filemap_fdatawrite mm/filemap.c:436 [inline] filemap_fdatawrite+0xbf/0xf0 mm/filemap.c:441 v9fs_dir_release+0x1f2/0x810 fs/9p/vfs_dir.c:219 __fput+0x32c/0x1120 fs/file_table.c:431 ____fput+0x25/0x30 fs/file_table.c:459 task_work_run+0x268/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xd88/0x4050 kernel/exit.c:882 do_group_exit+0x2fe/0x390 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3c/0x50 kernel/exit.c:1040 x64_sys_call+0x3b9a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 2945 Comm: kworker/u8:9 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events_unbound netfs_write_collection_worker =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/18 07:18 | upstream | 2f27fce67173 | c673ca06 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | |
2024/09/18 04:27 | upstream | 2f27fce67173 | c673ca06 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | |
2024/09/17 08:53 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | ||
2024/09/17 08:33 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | ||
2024/09/17 05:52 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | ||
2024/09/16 16:55 | upstream | adfc3ded5c33 | 49cf0773 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer | ||
2024/09/16 16:54 | upstream | adfc3ded5c33 | 49cf0773 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in netfs_clear_buffer |