kernel BUG in hpage_collapse_scan

duplicates (1):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
kernel BUG in collapse_file (2) mm	C	error		27	360d	483d	0/26	closed as dup on 2023/04/14 15:43

duplicates (1):

error

360d

483d

0/26

closed as dup on 2023/04/14 15:43

Title	Replies (including bot)	Last reply
[PATCH v2] mm: khugepaged: Fix kernel BUG in hpage_collapse_scan_file	11 (11)	2023/04/18 21:28
[PATCH] mm: khugepaged: Fix kernel BUG in hpage_collapse_scan_file	5 (5)	2023/03/30 00:58
[syzbot] [mm?] kernel BUG in hpage_collapse_scan_file	5 (6)	2023/03/13 22:08

Title

Replies (including bot)

Last reply

[PATCH v2] mm: khugepaged: Fix kernel BUG in hpage_collapse_scan_file

11 (11)

2023/04/18 21:28

[PATCH] mm: khugepaged: Fix kernel BUG in hpage_collapse_scan_file

5 (5)

2023/03/30 00:58

[syzbot] [mm?] kernel BUG in hpage_collapse_scan_file

5 (6)

2023/03/13 22:08


Created	Duration	User	Patch	Repo	Result
2023/04/17 13:54	13m	ivan.orlov0322@gmail.com		upstream	report log
2023/04/16 19:40	22m	ivan.orlov0322@gmail.com		git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3d7cb6b04c3f3115719235cc6866b10326de34cd	OK log
2023/04/16 19:46	6m	ivan.orlov0322@gmail.com		git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 99cb0dbd47a15	error OK
2023/03/30 15:12	22m	ivan.orlov0322@gmail.com	patch	upstream	OK log
2023/03/29 14:21	23m	ivan.orlov0322@gmail.com	patch	upstream	OK log
2023/03/28 20:18	22m	ivan.orlov0322@gmail.com	patch	upstream	OK log
2023/03/28 19:14	22m	ivan.orlov0322@gmail.com	patch	upstream	OK log
2023/03/28 17:43	14m	ivan.orlov0322@gmail.com	patch	upstream	report log
2023/03/27 21:29	14m	ivan.orlov0322@gmail.com		upstream	report log

------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:1823! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5097 Comm: syz-executor220 Not tainted 6.2.0-syzkaller-13154-g857f1268a591 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:collapse_file mm/khugepaged.c:1823 [inline] RIP: 0010:hpage_collapse_scan_file+0x67c8/0x7580 mm/khugepaged.c:2233 Code: 00 00 89 de e8 c9 66 a3 ff 31 ff 89 de e8 c0 66 a3 ff 45 84 f6 0f 85 28 0d 00 00 e8 22 64 a3 ff e9 dc f7 ff ff e8 18 64 a3 ff <0f> 0b f3 0f 1e fa e8 0d 64 a3 ff e9 93 f6 ff ff f3 0f 1e fa 4c 89 RSP: 0018:ffffc90003dff4e0 EFLAGS: 00010093 RAX: ffffffff81e95988 RBX: 00000000000001c1 RCX: ffff8880205b3a80 RDX: 0000000000000000 RSI: 00000000000001c0 RDI: 00000000000001c1 RBP: ffffc90003dff830 R08: ffffffff81e90e67 R09: fffffbfff1a433c3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffffc90003dff6c0 R14: 00000000000001c0 R15: 0000000000000000 FS: 00007fdbae5ee700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbae6901e0 CR3: 000000007b2dd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> madvise_collapse+0x721/0xf50 mm/khugepaged.c:2693 madvise_vma_behavior mm/madvise.c:1086 [inline] madvise_walk_vmas mm/madvise.c:1260 [inline] do_madvise+0x9e5/0x4680 mm/madvise.c:1439 __do_sys_madvise mm/madvise.c:1452 [inline] __se_sys_madvise mm/madvise.c:1450 [inline] __x64_sys_madvise+0xa5/0xb0 mm/madvise.c:1450 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdbae65dc39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdbae5ee2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fdbae6e64b8 RCX: 00007fdbae65dc39 RDX: 0000000000000019 RSI: 000000000060005f RDI: 0000000020000000 RBP: 00007fdbae6e64b0 R08: 0000000000000001 R09: 0000000000000033 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbae5ee300 R13: 0000000000000001 R14: 00007fdbae5ee400 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:collapse_file mm/khugepaged.c:1823 [inline] RIP: 0010:hpage_collapse_scan_file+0x67c8/0x7580 mm/khugepaged.c:2233 Code: 00 00 89 de e8 c9 66 a3 ff 31 ff 89 de e8 c0 66 a3 ff 45 84 f6 0f 85 28 0d 00 00 e8 22 64 a3 ff e9 dc f7 ff ff e8 18 64 a3 ff <0f> 0b f3 0f 1e fa e8 0d 64 a3 ff e9 93 f6 ff ff f3 0f 1e fa 4c 89 RSP: 0018:ffffc90003dff4e0 EFLAGS: 00010093 RAX: ffffffff81e95988 RBX: 00000000000001c1 RCX: ffff8880205b3a80 RDX: 0000000000000000 RSI: 00000000000001c0 RDI: 00000000000001c1 RBP: ffffc90003dff830 R08: ffffffff81e90e67 R09: fffffbfff1a433c3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffffc90003dff6c0 R14: 00000000000001c0 R15: 0000000000000000 FS: 00007fdbae5ee700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbae6901e0 CR3: 000000007b2dd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/03/03 07:16	upstream	857f1268a591	f8902b57	.config	strace log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci-upstream-kasan-gce-smack-root	kernel BUG in hpage_collapse_scan_file
2023/03/03 07:39	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	596b6b709632	f8902b57	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci-upstream-gce-arm64	kernel BUG in hpage_collapse_scan_file
2023/03/03 06:58	upstream	857f1268a591	f8902b57	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-kasan-gce-smack-root	kernel BUG in hpage_collapse_scan_file

Crashes (3):

Assets (help?)