Greetings!
At boot with a KASAN-enabled v6.14-rc4 kernel on my PowerMac G4 DP I get:
[...]
vmalloc_node_range for size 4198400 failed: Address range restricted to 0xf1000000 - 0xf5110000
swapon: vmalloc error: size 4194304, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=openrc.swap,mems_allowed=0
CPU: 0 UID: 0 PID: 870 Comm: swapon Tainted: G W 6.14.0-rc4-PMacG4 #6
Tainted: [W]=WARN
Hardware name: PowerMac3,6 7455 0x80010303 PowerMac
Call Trace:
[f2ffb9d0] [c14cfd88] dump_stack_lvl+0x70/0x8c (unreliable)
[f2ffb9f0] [c04fb9b8] warn_alloc+0x154/0x2b8
[f2ffbab0] [c04de94c] __vmalloc_node_range_noprof+0x154/0x958
[f2ffbb80] [c04df23c] __vmalloc_node_noprof+0xec/0xf4
[f2ffbbc0] [c0558524] swap_cgroup_swapon+0x70/0x198
[f2ffbbf0] [c051e8d8] sys_swapon+0x1838/0x3624
[f2ffbce0] [c001e574] system_call_exception+0x2dc/0x420
[f2ffbf30] [c00291ac] ret_from_syscall+0x0/0x2c
--- interrupt: c00 at 0x2612ec
NIP: 002612ec LR: 00534108 CTR: 001e8310
REGS: f2ffbf40 TRAP: 0c00 Tainted: G W (6.14.0-rc4-PMacG4)
MSR: 0000d032 <EE,PR,ME,IR,DR,RI> CR: 24002444 XER: 00000000
GPR00: 00000057 afe3ef20 a7a95540 01b2bdd0 00000000 24002444 fe5ff7e1 00247c24
GPR08: 0000d032 0000fa89 01b2d568 001e8310 24002448 0054fe14 02921154 00000000
GPR16: 00000000 00534b50 afe3f0ac afe3f0b0 00000000 00000000 0055001c afe3f0d0
GPR24: afe3f0b0 00000003 00000000 00001000 01b2bdd0 00000002 005579ec 01b2d570
NIP [002612ec] 0x2612ec
LR [00534108] 0x534108
--- interrupt: c00
Mem-Info:
active_anon:1989 inactive_anon:0 isolated_anon:0
active_file:6407 inactive_file:5879 isolated_file:0
unevictable:0 dirty:0 writeback:0
slab_reclaimable:1538 slab_unreclaimable:22927
mapped:2753 shmem:107 pagetables:182
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:433110 free_pcp:472 free_cma:0
Node 0 active_anon:7972kB inactive_anon:0kB active_file:25652kB inactive_file:23496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:10908kB dirty:0kB writeback:0kB shmem:464kB writeback_tmp:0kB kernel_stack:1568kB pagetables:724kB sec_pagetables:0kB all_unreclaimable? no
DMA free:591772kB boost:0kB min:3380kB low:4224kB high:5068kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:11056kB unevictable:0kB writepending:0kB present:786432kB managed:716492kB mlocked:0kB bounce:0kB free_pcp:1680kB local_pcp:1180kB free_cma:0kB
lowmem_reserve[]: 0 0 1184 0
DMA: 127*4kB (UE) 66*8kB (UME) 37*16kB (UE) 78*32kB (UME) 10*64kB (UE) 4*128kB (UME) 3*256kB (UM) 6*512kB (UM) 5*1024kB (ME) 4*2048kB (M) 139*4096kB (M) = 591772kB
12404 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
524288 pages RAM
327680 pages HighMem/MovableOnly
42061 pages reserved
Memory allocations:
85.3 MiB 6104 mm/slub.c:2423 func:alloc_slab_page
38.5 MiB 9862 mm/readahead.c:187 func:ractl_alloc_folio
9.47 MiB 2425 mm/filemap.c:1970 func:__filemap_get_folio
7.96 MiB 2037 mm/kasan/shadow.c:304 func:kasan_populate_vmalloc_pte
7.87 MiB 2125 mm/execmem.c:44 func:execmem_vmalloc
5.01 MiB 1283 mm/memory.c:1063 func:folio_prealloc
4.00 MiB 1 fs/btrfs/zstd.c:366 [btrfs] func:zstd_alloc_workspace
3.86 MiB 247 lib/stackdepot.c:627 func:stack_depot_save_flags
3.62 MiB 412 mm/slub.c:2425 func:alloc_slab_page
3.09 MiB 18430 fs/kernfs/dir.c:624 func:__kernfs_new_node
couldn't allocate enough memory for swap_cgroup
swap_cgroup can be disabled by swapaccount=0 boot option
[...]
Does only happen with CONFIG_KASAN_INLINE=y but not with CONFIG_KASAN_OUTLINE=y.
Kernel .config attached.
Regards,
Erhard
Attachment:
config_614-rc4_g4
Description: Binary data
