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KASAN: user-memory-access Read in do_con_write | 0 (1) | 2020/01/27 06:32 |
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KASAN: user-memory-access Read in do_con_write | 0 (1) | 2020/01/27 06:32 |
================================================================== BUG: KASAN: user-memory-access in scr_memmovew include/linux/vt_buffer.h:68 [inline] BUG: KASAN: user-memory-access in insert_char drivers/tty/vt/vt.c:839 [inline] BUG: KASAN: user-memory-access in csi_at drivers/tty/vt/vt.c:1964 [inline] BUG: KASAN: user-memory-access in do_con_trol drivers/tty/vt/vt.c:2431 [inline] BUG: KASAN: user-memory-access in do_con_write+0x89dd/0xf360 drivers/tty/vt/vt.c:2797 Read of size 2 at addr 000000010000000c by task syz-executor.5/22173 CPU: 1 PID: 22173 Comm: syz-executor.5 Not tainted 5.5.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fb/0x318 lib/dump_stack.c:118 __kasan_report+0x167/0x1c0 mm/kasan/report.c:510 kasan_report+0x26/0x50 mm/kasan/common.c:639 check_memory_region_inline mm/kasan/generic.c:182 [inline] check_memory_region+0x2b6/0x2f0 mm/kasan/generic.c:192 memmove+0x28/0x60 mm/kasan/common.c:116 scr_memmovew include/linux/vt_buffer.h:68 [inline] insert_char drivers/tty/vt/vt.c:839 [inline] csi_at drivers/tty/vt/vt.c:1964 [inline] do_con_trol drivers/tty/vt/vt.c:2431 [inline] do_con_write+0x89dd/0xf360 drivers/tty/vt/vt.c:2797 con_write+0x25/0x40 drivers/tty/vt/vt.c:3135 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0xd0c/0x1200 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:962 [inline] tty_write+0x5a1/0x950 drivers/tty/tty_io.c:1046 __vfs_write+0xb8/0x740 fs/read_write.c:494 vfs_write+0x270/0x580 fs/read_write.c:558 ksys_write+0x117/0x220 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:620 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b349 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9bb5dedc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9bb5dee6d4 RCX: 000000000045b349 RDX: 0000000000000007 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000c99 R14: 00000000004cd78a R15: 000000000075bf2c ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2020/01/26 21:41 | upstream | a45ea48e2bcd | dd56146d | .config | console log | report | ci-upstream-kasan-gce-smack-root |