Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH] vt: prevent kernel-infoleak in con_font_get() | 1 (1) | 2024/10/10 17:46 |
[syzbot] [serial?] KMSAN: kernel-infoleak in con_font_op (2) | 0 (1) | 2024/10/10 16:14 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH] vt: prevent kernel-infoleak in con_font_get() | 1 (1) | 2024/10/10 17:46 |
[syzbot] [serial?] KMSAN: kernel-infoleak in con_font_op (2) | 0 (1) | 2024/10/10 16:14 |
===================================================== BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in _inline_copy_to_user include/linux/uaccess.h:187 [inline] BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x110 lib/usercopy.c:26 instrument_copy_to_user include/linux/instrumented.h:114 [inline] _inline_copy_to_user include/linux/uaccess.h:187 [inline] _copy_to_user+0xbc/0x110 lib/usercopy.c:26 copy_to_user include/linux/uaccess.h:216 [inline] con_font_get drivers/tty/vt/vt.c:4760 [inline] con_font_op+0x14a2/0x1710 drivers/tty/vt/vt.c:4854 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline] vt_ioctl+0x2b6e/0x2fe0 drivers/tty/vt/vt_ioctl.c:751 tty_ioctl+0xd0c/0x1990 drivers/tty/tty_io.c:2803 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x25e/0x450 fs/ioctl.c:893 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:893 x64_sys_call+0x18bf/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:17 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 Uninit was created at: ___kmalloc_large_node+0x22c/0x370 mm/slub.c:4219 __kmalloc_large_node_noprof+0x3f/0x1e0 mm/slub.c:4236 __do_kmalloc_node mm/slub.c:4252 [inline] __kmalloc_node_noprof+0x9d6/0xf50 mm/slub.c:4270 __kvmalloc_node_noprof+0xc0/0x2d0 mm/util.c:658 con_font_get drivers/tty/vt/vt.c:4729 [inline] con_font_op+0x659/0x1710 drivers/tty/vt/vt.c:4854 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline] vt_ioctl+0x2b6e/0x2fe0 drivers/tty/vt/vt_ioctl.c:751 tty_ioctl+0xd0c/0x1990 drivers/tty/tty_io.c:2803 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x25e/0x450 fs/ioctl.c:893 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:893 x64_sys_call+0x18bf/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:17 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 Bytes 61440-76799 of 76800 are uninitialized Memory access of size 76800 starts at ffff8880b5c00000 Data copied to user address 0000000020000880 CPU: 0 UID: 0 PID: 7973 Comm: syz.2.4245 Tainted: G W 6.12.0-rc1-syzkaller-00349-g8f602276d390 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/06 16:13 | upstream | 8f602276d390 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/19 17:26 | upstream | 9197b73fd7bb | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/19 17:26 | upstream | 9197b73fd7bb | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/17 21:37 | upstream | 6efbea77b390 | 666f77ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/15 10:08 | upstream | eca631b8fe80 | 14943bb8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/15 10:08 | upstream | eca631b8fe80 | 14943bb8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/14 22:58 | upstream | eca631b8fe80 | b01b6661 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op | ||
2024/10/14 22:57 | upstream | eca631b8fe80 | b01b6661 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in con_font_op |