WARNING: locking bug in do_ipv6

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING: locking bug in do_ipv6_setsockopt net	syz	error	error	29	1141d	2040d	0/28	closed as dup on 2021/01/13 13:16
linux-4.19	WARNING: locking bug in do_ipv6_setsockopt	syz		error	5	657d	1977d	0/1	upstream: reported syz repro on 2019/07/24 08:25

upstream

WARNING: locking bug in do_ipv6_setsockopt net

syz

error

1141d

2040d

0/28

closed as dup on 2021/01/13 13:16

linux-4.19

WARNING: locking bug in do_ipv6_setsockopt

syz

error

657d

1977d

0/1

upstream: reported syz repro on 2019/07/24 08:25

Created	Duration	User	Patch	Repo	Result
2023/01/25 15:32	10m	retest repro		linux-4.14.y	report log
2022/09/07 20:27	13m	retest repro		linux-4.14.y	report log

Created

Duration

User

Patch

Repo

Result

2023/01/25 15:32

10m

retest repro

linux-4.14.y

report log

2022/09/07 20:27

13m

retest repro

linux-4.14.y

report log


Created	Duration	User	Repo	Result
2020/07/13 15:14	31m	bisect fix	linux-4.14.y	OK (2) job log
2020/06/13 13:06	24m	bisect fix	linux-4.14.y	OK (0) job log log
2020/05/14 12:37	28m	bisect fix	linux-4.14.y	OK (0) job log log
2020/04/14 12:10	26m	bisect fix	linux-4.14.y	OK (0) job log log
2020/03/15 08:12	28m	bisect fix	linux-4.14.y	OK (0) job log log
2020/02/14 07:21	33m	bisect fix	linux-4.14.y	OK (0) job log log
2020/01/15 06:36	30m	bisect fix	linux-4.14.y	OK (0) job log log
2019/12/16 06:08	28m	bisect fix	linux-4.14.y	OK (0) job log log

l2tp_core: tunl 4: sockfd_lookup(fd=5) returned -9 l2tp_core: tunl 4: sockfd_lookup(fd=5) returned -9 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 26226 at kernel/locking/lockdep.c:722 arch_local_save_flags arch/x86/include/asm/paravirt.h:773 [inline] WARNING: CPU: 0 PID: 26226 at kernel/locking/lockdep.c:722 arch_local_save_flags arch/x86/include/asm/paravirt.h:771 [inline] WARNING: CPU: 0 PID: 26226 at kernel/locking/lockdep.c:722 look_up_lock_class kernel/locking/lockdep.c:713 [inline] WARNING: CPU: 0 PID: 26226 at kernel/locking/lockdep.c:722 register_lock_class+0xd80/0x1730 kernel/locking/lockdep.c:756 kobject: 'loop5' (ffff8880a4aed3a0): kobject_uevent_env Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 26226 Comm: syz-executor.1 Not tainted 4.14.134 #29 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+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 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+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960 RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:722 [inline] RIP: 0010:register_lock_class+0xd80/0x1730 kernel/locking/lockdep.c:756 RSP: 0018:ffff888096a4f610 EFLAGS: 00010083 RAX: dffffc0000000000 RBX: ffffffff891a66c0 RCX: ffff8880895378e0 RDX: 1ffff110112a6f1f RSI: 1ffffffff11a50d6 RDI: ffff8880895378f8 RBP: ffff888096a4f6d0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff88cbd5a0 R11: 0000000000000000 R12: ffffffff88d28690 R13: 1ffff11012d49ecd R14: ffffffff86eec1c0 R15: 0000000000000000 kobject: 'loop5' (ffff8880a4aed3a0): fill_kobj_path: path = '/devices/virtual/block/loop5' __lock_acquire+0x147/0x45e0 kernel/locking/lockdep.c:3374 kobject: 'loop5' (ffff8880a4aed3a0): kobject_uevent_env lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:176 kobject: 'loop5' (ffff8880a4aed3a0): fill_kobj_path: path = '/devices/virtual/block/loop5' spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x3f/0x110 net/core/sock.c:2757 lock_sock include/net/sock.h:1462 [inline] do_ipv6_setsockopt.isra.0+0x20c/0x36d0 net/ipv6/ipv6_sockglue.c:167 kobject: 'loop0' (ffff8880a498c6a0): kobject_uevent_env kobject: 'loop0' (ffff8880a498c6a0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4aed3a0): kobject_uevent_env ipv6_setsockopt+0xd4/0x130 net/ipv6/ipv6_sockglue.c:925 udpv6_setsockopt+0x4e/0x90 net/ipv6/udp.c:1459 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:2963 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x13c/0x210 net/socket.c:1844 kobject: 'loop5' (ffff8880a4aed3a0): fill_kobj_path: path = '/devices/virtual/block/loop5' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop2' (ffff8880a4a369a0): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459829 RSP: 002b:00007fb21353ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459829 RDX: 0000000000000023 RSI: 0000000000000029 RDI: 0000000000000005 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb21353f6d4 R13: 00000000004ced30 R14: 00000000004dd678 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..