syzbot

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WARNING: CPU: 1 PID: 4244 at mm/page_alloc.c:5581 __alloc_pages+0x3b7/0x770 mm/page_alloc.c:5581
Modules linked in:
CPU: 1 PID: 4244 Comm: syz-executor707 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__alloc_pages+0x3b7/0x770 mm/page_alloc.c:5581
Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 fc 8b b0 0c 01 <0f> 0b 41 83 fc 0a 0f 86 1e fd ff ff 45 31 e4 48 c7 44 24 20 0e 36
RSP: 0018:ffffc90003b879e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003b87a68
RBP: ffffc90003b87b00 R08: dffffc0000000000 R09: ffffc90003b87a40
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000002a
R13: 0000000000040d40 R14: 1ffff92000770f44 R15: 1ffff92000770f40
FS:  0000555586480380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000001ef25000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1077
 __do_kmalloc_node mm/slab_common.c:924 [inline]
 __kmalloc+0x118/0x230 mm/slab_common.c:949
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 __v9fs_get_acl+0x40/0x110 fs/9p/acl.c:28
 v9fs_get_acl+0x93/0x280 fs/9p/acl.c:62
 v9fs_mount+0x954/0xc30 fs/9p/vfs_super.c:184
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9a60104869
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd34eba3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00002000000003c0 RCX: 00007f9a60104869
RDX: 0000200000000b80 RSI: 00002000000003c0 RDI: 0000000000000000
RBP: 0000200000000580 R08: 0000200000000580 R09: 00007ffd34eba5b8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a6014d017
R13: 00007ffd34eba5a8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>