WARNING: kmalloc bug in wnd

Date	Name	Commit	Repro	Result
2025/01/08	linux-5.15.y (ToT)	91786f140358	C	[report] WARNING: kmalloc bug in wnd_init
2025/01/08	upstream (ToT)	09a0fa92e5b4	C	Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING: kmalloc bug in wnd_init origin:lts-only	C			1	44d	45d	0/3	upstream: reported C repro on 2024/12/01 00:31
upstream	WARNING: kmalloc bug in wnd_init ntfs3	C	done		3	169d	314d	28/28	fixed on 2024/11/12 23:31

linux-6.1

WARNING: kmalloc bug in wnd_init origin:lts-only

44d

45d

0/3

upstream: reported C repro on 2024/12/01 00:31

upstream

WARNING: kmalloc bug in wnd_init ntfs3

done

169d

314d

28/28

fixed on 2024/11/12 23:31

loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4019 at mm/util.c:630 kvmalloc_node+0x1fc/0x204 Modules linked in: CPU: 0 PID: 4019 Comm: syz-executor121 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kvmalloc_node+0x1fc/0x204 lr : kvmalloc_node+0x1f8/0x204 mm/util.c:630 sp : ffff80001f9f7770 x29: ffff80001f9f7770 x28: 1fffe0001b8a6468 x27: dfff800000000000 x26: 1ffffffffff80008 x25: 1fffe0001b8a6803 x24: 0000000000008000 x23: 0000000000000000 x22: ffff800009627fb8 x21: 0003ffffffffff02 x20: 00000000ffffffff x19: 0000000000000dc0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011b4eaf8 x15: 000000000000000b x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000005 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000ca4c3680 x8 : ffff80000876d260 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 00000000ffffffff x4 : 0000000000012dc0 x3 : 0004000000000000 x2 : 0003ffffffffff02 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: kvmalloc_node+0x1fc/0x204 kvmalloc include/linux/mm.h:805 [inline] kvmalloc_array include/linux/mm.h:823 [inline] wnd_init+0x18c/0x2b0 fs/ntfs3/bitmap.c:670 ntfs_fill_super+0x1d48/0x33b0 fs/ntfs3/super.c:1053 get_tree_bdev+0x360/0x54c fs/super.c:1325 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1354 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x278/0x8fc fs/namespace.c:3012 path_mount+0x594/0x101c fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount fs/namespace.c:3540 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 12248 hardirqs last enabled at (12247): [<ffff800008a75b7c>] bh_lru_install fs/buffer.c:1261 [inline] hardirqs last enabled at (12247): [<ffff800008a75b7c>] __find_get_block+0xb68/0xdd4 fs/buffer.c:1312 hardirqs last disabled at (12248): [<ffff800011b4a1ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (11280): [<ffff8000080309b8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (11278): [<ffff800008030984>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace a09334cf1f19f974 ]---

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/01/07 22:35	linux-5.15.y	91786f140358	f3558dbf	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-5-15-kasan-arm64	WARNING: kmalloc bug in wnd_init

Crashes (1):

Assets (help?)