WARNING: locking bug in __up_console

Created	Duration	User	Patch	Repo	Result
2023/02/04 19:32	9m	retest repro		linux-4.14.y	report log
2022/09/14 05:27	9m	retest repro		linux-4.14.y	report log

Created

Duration

User

Patch

Repo

Result

2023/02/04 19:32

retest repro

linux-4.14.y

report log

2022/09/14 05:27

retest repro

linux-4.14.y

report log


Created	Duration	User	Repo	Result
2020/12/04 19:54	20m	bisect fix	linux-4.14.y	error job log
2020/11/04 05:01	36m	bisect fix	linux-4.14.y	OK (0) job log log
2020/10/05 04:36	25m	bisect fix	linux-4.14.y	OK (0) job log log

DEBUG_LOCKS_WARN_ON(depth <= 0) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9859 at kernel/locking/lockdep.c:3760 __lock_release kernel/locking/lockdep.c:3760 [inline] WARNING: CPU: 0 PID: 9859 at kernel/locking/lockdep.c:3760 lock_release.cold+0x13/0xbf kernel/locking/lockdep.c:4017 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9859 Comm: syz-executor186 Not tainted 4.14.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:__lock_release kernel/locking/lockdep.c:3760 [inline] RIP: 0010:lock_release.cold+0x13/0xbf kernel/locking/lockdep.c:4017 RSP: 0018:ffff8880001273f0 EFLAGS: 00010082 RAX: 000000000000001f RBX: 1ffff11000024e81 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000000000f6 RDI: ffffed1000024e74 RBP: ffffffff87d7c880 R08: 000000000000001f R09: ffffed1015d442f7 R10: ffff8880aea217be R11: ffff888000118140 R12: ffffffff8348237f R13: ffffffff8a5a5c00 R14: ffff888000118140 R15: 0000000000000000 __up_console_sem+0x1e/0x1b0 kernel/printk/printk.c:242 console_unlock+0x531/0xf20 kernel/printk/printk.c:2419 do_con_write+0xb2f/0x19b0 drivers/tty/vt/vt.c:2459 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x352/0xda0 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x410/0x740 drivers/tty/tty_io.c:1043 __vfs_write+0xe4/0x630 fs/read_write.c:480 __kernel_write+0xf5/0x330 fs/read_write.c:501 write_pipe_buf+0x143/0x1c0 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write+0xc5/0x150 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x446f99 RSP: 002b:00007fb7a52ced18 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00000000006dcc58 RCX: 0000000000446f99 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00000000006dcc50 R08: 65732f636f72702f R09: 65732f636f72702f R10: 0800000080004101 R11: 0000000000000246 R12: 00000000006dcc5c R13: 00007fb7a52ced20 R14: 00007fb7a52ced20 R15: 20c49ba5e353f7cf Kernel Offset: disabled