kernel BUG in folio_set

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision	Error
2fe9d731-7035-4521-90bc-86a4d73cb8ae	assessment-security	DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ✅ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	kernel BUG in folio_set_bh (3)	2026/05/30 13:19	2026/05/30 13:19	2026/05/30 14:15	6b4a844333e83556da95d61d7f207e7ef5cd4bc6
08e04d64-f2ad-44bd-ac3a-3866fb3665e4	assessment-security		💥	kernel BUG in folio_set_bh (3)	2026/05/14 10:28	2026/05/14 10:28	2026/05/14 10:29	6ccb967e465e832a7bfd7a116ad00d52a0923a5d	failed to run ["git" "pull" "origin" "HEAD" "--depth=1" "--allow-unrelated-histories"]: exit status 128 From /app/workdir/repo/linux * branch HEAD -> FETCH_HEAD Updating files: ... truncated to first 200 bytes; open job for full error

Title	Replies (including bot)	Last reply
[syzbot] [karma?] kernel BUG in folio_set_bh (3)	0 (2)	2026/05/31 10:33
[PATCH] jfs: check sb_set_blocksize() return value in jfs_fill_super()	2 (2)	2026/05/15 13:21
Re: [syzbot] [karma?] kernel BUG in folio_set_bh (3)	1 (2)	2026/05/14 16:58

Title

Replies (including bot)

Last reply

[syzbot] [karma?] kernel BUG in folio_set_bh (3)

0 (2)

2026/05/31 10:33

[PATCH] jfs: check sb_set_blocksize() return value in jfs_fill_super()

2 (2)

2026/05/15 13:21

Re: [syzbot] [karma?] kernel BUG in folio_set_bh (3)

1 (2)

2026/05/14 16:58

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	kernel BUG in folio_set_bh (2) ntfs3 jfs	-1	C			46	67d	168d	29/29	fixed on 2026/05/06 16:40
upstream	kernel BUG in folio_set_bh ntfs3	-1	C	done		202	174d	362d	29/29	fixed on 2026/01/07 12:29

Rank 🛈

upstream

kernel BUG in folio_set_bh (2) ntfs3 jfs

-1

67d

168d

29/29

fixed on 2026/05/06 16:40

upstream

kernel BUG in folio_set_bh ntfs3

-1

done

202

174d

362d

29/29

fixed on 2026/01/07 12:29

Created	Duration	User	Patch	Repo	Result
2026/06/27 13:28	32m	retest repro		upstream	OK log

Created

Duration

User

Patch

Repo

Result

2026/06/27 13:28

32m

retest repro

upstream

OK log

------------[ cut here ]------------ kernel BUG at fs/buffer.c:1479! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1479 Code: 4c 89 e2 e8 f6 5a 98 02 e9 42 ff ff ff e8 cc 6f 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 7d b6 cf fe 90 0f 0b e8 b5 6f 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc9000e7279b0 EFLAGS: 00010283 RAX: ffffffff8258575b RBX: ffffea0001543dc0 RCX: 0000000000100000 RDX: ffffc90020802000 RSI: 0000000000000d7b RDI: 0000000000000d7c RBP: dffffc0000000000 R08: ffffea0001543dc7 R09: 1ffffd40002a87b8 R10: dffffc0000000000 R11: fffff940002a87b9 R12: 0000000000000000 R13: 0000000000001000 R14: ffff888046ea50e8 R15: 0000000000001000 FS: 00007efedbec86c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556bd8f3a108 CR3: 0000000012256000 CR4: 0000000000352ef0 Call Trace: <TASK> folio_alloc_buffers+0x228/0x640 fs/buffer.c:849 grow_dev_folio fs/buffer.c:979 [inline] grow_buffers fs/buffer.c:1020 [inline] __getblk_slow fs/buffer.c:1038 [inline] bdev_getblk+0x2cb/0x6e0 fs/buffer.c:1358 __bread_gfp+0x89/0x3b0 fs/buffer.c:1412 sb_bread include/linux/buffer_head.h:346 [inline] omfs_fill_super+0x30d/0x1590 fs/omfs/inode.c:483 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3761 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3837 do_mount fs/namespace.c:4170 [inline] __do_sys_mount fs/namespace.c:4386 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4363 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efedaf9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efedbec7fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007efedb216180 RCX: 00007efedaf9ce59 RDX: 00002000000000c0 RSI: 0000200000000080 RDI: 0000200000000040 RBP: 00007efedb032d6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efedb216218 R14: 00007efedb216180 R15: 00007fff604232c8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1479 Code: 4c 89 e2 e8 f6 5a 98 02 e9 42 ff ff ff e8 cc 6f 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 7d b6 cf fe 90 0f 0b e8 b5 6f 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc9000e7279b0 EFLAGS: 00010283 RAX: ffffffff8258575b RBX: ffffea0001543dc0 RCX: 0000000000100000 RDX: ffffc90020802000 RSI: 0000000000000d7b RDI: 0000000000000d7c RBP: dffffc0000000000 R08: ffffea0001543dc7 R09: 1ffffd40002a87b8 R10: dffffc0000000000 R11: fffff940002a87b9 R12: 0000000000000000 R13: 0000000000001000 R14: ffff888046ea50e8 R15: 0000000000001000 FS: 00007efedbec86c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556bd8e6c3b8 CR3: 0000000012256000 CR4: 0000000000352ef0

Crashes (16):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	Assets (help?)	Manager	Title
2026/06/13 09:14	upstream	1dadb7e7eb5a	4f06757f	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/06/03 18:40	upstream	ba3e43a9e601	234057e5	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/31 16:44	upstream	174914ea5513	6b4a8443	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/31 10:32	upstream	174914ea5513	6b4a8443	.config	console log	report	syz / log	[disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/31 09:34	upstream	174914ea5513	6b4a8443	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/30 02:10	upstream	9215e74f228f	6b4a8443	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/28 03:39	upstream	eb3f4b7426cf	4c36e7e5	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/25 18:20	upstream	e7ae89a0c97c	c69befb3	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/25 17:31	upstream	e7ae89a0c97c	c69befb3	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/24 11:54	upstream	4cbfe4502e3d	c69befb3	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/20 08:22	upstream	27fa82620cba	6cd1a940	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/18 04:31	upstream	e5d505e3664b	de5aae85	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/13 18:51	upstream	1d5dcaa3bd65	fec2a7ee	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/13 14:24	upstream	1d5dcaa3bd65	fec2a7ee	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/11 14:05	upstream	5d6919055dec	845acb1c	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh
2026/05/10 10:24	upstream	1bfaee9d3351	29233ece	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	kernel BUG in folio_set_bh

Crashes (16):

Assets (help?)

2026/06/13 09:14

upstream