general protection fault in _

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	general protection fault in __bfs				4	1133d	1278d	0/1	auto-closed as invalid on 2021/07/10 18:06
upstream	general protection fault in __bfs tipc	C			4	1926d	1955d	0/26	closed as dup on 2018/12/12 11:02
upstream	general protection fault in __bfs (2) tipc	C	done	done	16	1433d	1913d	0/26	auto-obsoleted due to no activity on 2022/09/16 03:13
upstream	KASAN: slab-out-of-bounds Read in __bfs kernel				1	916d	912d	0/26	auto-closed as invalid on 2022/01/14 09:46
upstream	KASAN: slab-out-of-bounds Read in __bfs (2) kernel				22	432d	729d	0/26	auto-obsoleted due to no activity on 2023/06/11 18:51

Created	Duration	User	Repo	Result
2023/02/28 15:56	29m	bisect fix	linux-4.14.y	job log (0) log
2023/01/27 12:26	32m	bisect fix	linux-4.14.y	job log (0) log
2022/11/18 18:51	20m	bisect fix	linux-4.14.y	job log (0) log

Created

Duration

User

Patch

Repo

Result

2023/02/28 15:56

29m

bisect fix

linux-4.14.y

job log (0) log

2023/01/27 12:26

32m

bisect fix

linux-4.14.y

job log (0) log

2022/11/18 18:51

20m

bisect fix

linux-4.14.y

job log (0) log

kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7986 Comm: syz-executor394 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 task: ffff8880982d4200 task.stack: ffff8880b3330000 RIP: 0010:lock_accessed kernel/locking/lockdep.c:979 [inline] RIP: 0010:__bfs.part.0+0x20e/0x470 kernel/locking/lockdep.c:1045 RSP: 0018:ffff8880b3337370 EFLAGS: 00010007 RAX: 0000000001d0dd96 RBX: ffffffff8bb1d250 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000010 RBP: ffff8880b3337428 R08: 0000000000000000 R09: 0000000000001c26 R10: 0000000000000002 R11: 0000000000000001 R12: ffffffff8140f610 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555555759300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c4 CR3: 00000000b0305000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bfs kernel/locking/lockdep.c:1424 [inline] __bfs_backwards kernel/locking/lockdep.c:1082 [inline] find_usage_backwards kernel/locking/lockdep.c:1424 [inline] check_usage_backwards+0x167/0x2c0 kernel/locking/lockdep.c:2713 mark_lock_irq kernel/locking/lockdep.c:2804 [inline] mark_lock+0x3c7/0x1050 kernel/locking/lockdep.c:3194 mark_irqflags kernel/locking/lockdep.c:3078 [inline] __lock_acquire+0x594/0x3f20 kernel/locking/lockdep.c:3448 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 down_read+0x36/0x80 kernel/locking/rwsem.c:24 nilfs_bmap_lookup_at_level+0x6b/0x380 fs/nilfs2/bmap.c:77 nilfs_bmap_lookup fs/nilfs2/bmap.h:179 [inline] nilfs_mdt_submit_block.constprop.0+0x152/0x970 fs/nilfs2/mdt.c:151 nilfs_mdt_read_block+0x7c/0x320 fs/nilfs2/mdt.c:184 nilfs_mdt_get_block+0xc7/0xb90 fs/nilfs2/mdt.c:259 nilfs_palloc_get_block+0xb2/0x250 fs/nilfs2/alloc.c:225 nilfs_palloc_get_entry_block+0x17d/0x230 fs/nilfs2/alloc.c:327 nilfs_ifile_get_inode_block+0xb4/0x150 fs/nilfs2/ifile.c:152 __nilfs_read_inode fs/nilfs2/inode.c:492 [inline] nilfs_iget+0x1c2/0x810 fs/nilfs2/inode.c:601 nilfs_get_root_dentry+0x24/0x1f0 fs/nilfs2/super.c:918 nilfs_fill_super fs/nilfs2/super.c:1092 [inline] nilfs_mount+0x984/0xd00 fs/nilfs2/super.c:1331 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f5ca2a4d6aa RSP: 002b:00007ffca0d61138 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ca2a4d6aa RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffca0d61150 RBP: 00007ffca0d61150 R08: 00007ffca0d61190 R09: 00005555557592c0 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 00007ffca0d61190 R14: 0000000000000039 R15: 0000000020000758 Code: 78 01 00 00 4d 8b 36 4c 39 f3 74 78 49 8d 7e 10 4c 89 f0 4c 8b 0d a3 69 a7 0a 48 89 fa 48 2d 60 9a c8 8b 48 c1 ea 03 48 c1 f8 06 <42> 80 3c 3a 00 0f 85 28 01 00 00 49 8b 4e 10 4c 8d 41 2c 4c 89 RIP: lock_accessed kernel/locking/lockdep.c:979 [inline] RSP: ffff8880b3337370 RIP: __bfs.part.0+0x20e/0x470 kernel/locking/lockdep.c:1045 RSP: ffff8880b3337370 ---[ end trace cacd434ed93c8ae1 ]--- ---------------- Code disassembly (best guess): 0: 78 01 js 0x3 2: 00 00 add %al,(%rax) 4: 4d 8b 36 mov (%r14),%r14 7: 4c 39 f3 cmp %r14,%rbx a: 74 78 je 0x84 c: 49 8d 7e 10 lea 0x10(%r14),%rdi 10: 4c 89 f0 mov %r14,%rax 13: 4c 8b 0d a3 69 a7 0a mov 0xaa769a3(%rip),%r9 # 0xaa769bd 1a: 48 89 fa mov %rdi,%rdx 1d: 48 2d 60 9a c8 8b sub $0xffffffff8bc89a60,%rax 23: 48 c1 ea 03 shr $0x3,%rdx 27: 48 c1 f8 06 sar $0x6,%rax * 2b: 42 80 3c 3a 00 cmpb $0x0,(%rdx,%r15,1) <-- trapping instruction 30: 0f 85 28 01 00 00 jne 0x15e 36: 49 8b 4e 10 mov 0x10(%r14),%rcx 3a: 4c 8d 41 2c lea 0x2c(%rcx),%r8 3e: 4c rex.WR 3f: 89 .byte 0x89

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/10/19 18:51	linux-4.14.y	9d5c0b3a8e1a	b31320fc	.config	console log	report	syz	C		[disk image] [vmlinux] [mounted in repro]	ci2-linux-4-14	general protection fault in __bfs
2022/10/16 12:06	linux-4.14.y	9d5c0b3a8e1a	67cb024c	.config	console log	report	syz	C		[disk image] [vmlinux] [mounted in repro]	ci2-linux-4-14	general protection fault in __bfs

Crashes (2):

Assets (help?)