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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KMSAN: uninit-value in ppp_sync_receive (2) ppp | 7 | 1 | 619d | 615d | 0/29 | auto-obsoleted due to no activity on 2024/11/12 06:29 | |||
| upstream | KMSAN: uninit-value in ppp_sync_receive (3) ppp | 7 | 3 | 460d | 487d | 0/29 | closed as invalid on 2025/02/20 20:55 | |||
| upstream | KMSAN: uninit-value in ppp_sync_receive (4) ppp | 7 | 1 | 4d22h | 22h42m | 0/29 | upstream: reported on 2026/04/14 09:14 |
===================================================== BUG: KMSAN: uninit-value in ppp_sync_input drivers/net/ppp/ppp_synctty.c:690 [inline] BUG: KMSAN: uninit-value in ppp_sync_receive+0xd80/0xe70 drivers/net/ppp/ppp_synctty.c:334 ppp_sync_input drivers/net/ppp/ppp_synctty.c:690 [inline] ppp_sync_receive+0xd80/0xe70 drivers/net/ppp/ppp_synctty.c:334 tiocsti+0x32d/0x460 drivers/tty/tty_io.c:2295 tty_ioctl+0x83c/0x1970 drivers/tty/tty_io.c:2694 tty_compat_ioctl+0x6a6/0xce0 __do_compat_sys_ioctl fs/ioctl.c:972 [inline] __se_compat_sys_ioctl+0x79b/0xfe0 fs/ioctl.c:914 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:914 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Uninit was created at: __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4591 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __page_frag_cache_refill+0x99/0x2c0 mm/page_alloc.c:4691 page_frag_alloc_align+0x94/0x590 mm/page_alloc.c:4722 page_frag_alloc include/linux/gfp.h:322 [inline] __netdev_alloc_skb+0x218/0x700 net/core/skbuff.c:728 netdev_alloc_skb include/linux/skbuff.h:3225 [inline] dev_alloc_skb include/linux/skbuff.h:3238 [inline] ppp_sync_input drivers/net/ppp/ppp_synctty.c:669 [inline] ppp_sync_receive+0x24f/0xe70 drivers/net/ppp/ppp_synctty.c:334 tiocsti+0x32d/0x460 drivers/tty/tty_io.c:2295 tty_ioctl+0x83c/0x1970 drivers/tty/tty_io.c:2694 tty_compat_ioctl+0x6a6/0xce0 __do_compat_sys_ioctl fs/ioctl.c:972 [inline] __se_compat_sys_ioctl+0x79b/0xfe0 fs/ioctl.c:914 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:914 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293 entry_SYSENTER_compat_after_hwframe+0x70/0x7a CPU: 1 PID: 5767 Comm: syz-executor.3 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 =====================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/11/14 22:02 | upstream | 9bacdd8996c7 | cb976f63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in ppp_sync_receive | ||
| 2023/11/07 16:54 | upstream | be3ca57cfb77 | 83211397 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in ppp_sync_receive |