From: Misbah Anjum N <misanjum@linux.ibm.com>
To: linux-next@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org
Subject: [REGRESSION] [next-20251117] ppc64le: WARNING in vmalloc_fix_flags with __GFP_ACCOUNT in BPF/seccomp path
Date: Tue, 18 Nov 2025 10:12:02 +0530 [thread overview]
Message-ID: <dbe42ce9543dbc3af95f95d6a6d9540b@linux.ibm.com> (raw)
Hi,
I'm reporting a regression in linux-next that was introduced between
20251114 and 20251117.
Regression Info:
- Working: 6.18.0-rc5-next-20251114
- Broken: 6.18.0-rc6-next-20251117
Environment:
- IBM Power11 pSeries (ppc64le)
- Fedora43 Distro
Issue:
WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x6c/0xa0
"Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0
(GFP_KERNEL|__GFP_ZERO). Fix your code!"
Call Trace:
[ 523.921345] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to
gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 523.921356] WARNING: mm/vmalloc.c:3937 at
vmalloc_fix_flags+0x6c/0xa0, CPU#69: (ostnamed)/6500
[ 523.921365] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core
kvm_hv kvm bonding rfkill binfmt_misc pseries_rng vmx_crypto nfsd
auth_rpcgss drm nfs_acl lockd grace loop drm_panel_orientation_quirks
vsock_loopback vmw_vsock_virtio_transport_common vsock zram ext4 crc16
mbcache jbd2 sr_mod sd_mod cdrom ibmvscsi ibmveth scsi_transport_srp
btrfs blake2b libblake2b xor raid6_pq zstd_compress sunrpc dm_mirror
dm_region_hash dm_log be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls libcxgbi
libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi i2c_dev dm_multipath fuse dm_mod nfnetlink
[ 523.921485] CPU: 69 UID: 0 PID: 6500 Comm: (ostnamed) Kdump: loaded
Tainted: G W 6.18.0-rc6-next-20251117 #1 VOLUNTARY
[ 523.921504] Tainted: [W]=WARN
[ 523.921511] Hardware name: IBM,9824-42A Power11 (architected)
0x820200 0xf000007 of:IBM,FW1110.00 (RB1110_082) hv:phyp pSeries
[ 523.921523] NIP: c00000000063f8fc LR: c00000000063f8f8 CTR:
00000000005d7e44
[ 523.921537] REGS: c0000001ad0f78e0 TRAP: 0700 Tainted: G W
(6.18.0-rc6-next-20251117)
[ 523.921544] MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR:
2824222f XER: 0000000a
[ 523.921564] CFAR: c00000000023225c IRQMASK: 0
[ 523.921564] GPR00: c00000000063f8f8 c0000001ad0f7b80 c0000000017f8100
0000000000000069
[ 523.921564] GPR04: 00000000ffff7fff c0000001ad0f7970 00000027f9c50000
0000000000000001
[ 523.921564] GPR08: 0000000000000027 0000000000000000 0000000000000000
0000000000000003
[ 523.921564] GPR12: c0000000028fe748 c0000027fde3c300 0000000000000000
0000000000000000
[ 523.921564] GPR16: 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 523.921564] GPR20: 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[ 523.921564] GPR24: c000000001711608 0000000000000000 0000000000000000
c0000001270c7858
[ 523.921564] GPR28: 0000000000000000 0000000000000dc0 0000000000010000
0000000000400000
[ 523.921626] NIP [c00000000063f8fc] vmalloc_fix_flags+0x6c/0xa0
[ 523.921631] LR [c00000000063f8f8] vmalloc_fix_flags+0x68/0xa0
[ 523.921636] Call Trace:
[ 523.921639] [c0000001ad0f7b80] [c00000000063f8f8]
vmalloc_fix_flags+0x68/0xa0 (unreliable)
[ 523.921646] [c0000001ad0f7c00] [c00000000064a7a0]
__vmalloc_noprof+0x90/0xa0
[ 523.921653] [c0000001ad0f7c80] [c0000000004addf4]
bpf_prog_alloc_no_stats+0x54/0x270
[ 523.921660] [c0000001ad0f7cd0] [c0000000004ae03c]
bpf_prog_alloc+0x2c/0x130
[ 523.921665] [c0000001ad0f7d10] [c000000000f39d24]
bpf_prog_create_from_user+0x74/0x180
[ 523.921673] [c0000001ad0f7d80] [c0000000003f2400]
seccomp_set_mode_filter+0x1e0/0x790
[ 523.921690] [c0000001ad0f7e10] [c000000000033758]
system_call_exception+0x128/0x310
[ 523.921701] [c0000001ad0f7e50] [c00000000000d05c]
system_call_vectored_common+0x15c/0x2ec
[ 523.921716] ---- interrupt: 3000 at 0x7fffa8750d3c
[ 523.921725] NIP: 00007fffa8750d3c LR: 00007fffa8750d3c CTR:
0000000000000000
[ 523.921737] REGS: c0000001ad0f7e80 TRAP: 3000 Tainted: G W
(6.18.0-rc6-next-20251117)
[ 523.921750] MSR: 800000000280f033
<SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 44244224 XER: 00000000
[ 523.921775] IRQMASK: 0
[ 523.921775] GPR00: 0000000000000166 00007fffeec77650 00007fffa8837c00
0000000000000001
[ 523.921775] GPR04: 0000000000000000 00000001524c2af0 0000000000000000
0000000000000000
[ 523.921775] GPR08: 0000000040000000 0000000000000000 0000000000000000
0000000000000000
[ 523.921775] GPR12: 0000000000000000 00007fffa9571520 00007fffeec77a90
000000013fa85300
[ 523.921775] GPR16: 0000000000000001 0000000000000000 000000013fa8a610
0000000000000093
[ 523.921775] GPR20: 000000007fff0000 000000013face248 0000000152102d28
000000007ffffffe
[ 523.921775] GPR24: 0000000000050026 0000000000050001 0000000000000092
00000001524c4e30
[ 523.921775] GPR28: 000000013fae0088 00000000c0000015 0000000000000000
00000001524c4e30
[ 523.921835] NIP [00007fffa8750d3c] 0x7fffa8750d3c
[ 523.921841] LR [00007fffa8750d3c] 0x7fffa8750d3c
[ 523.921850] ---- interrupt: 3000
[ 523.921857] Code: 79440020 79260020 38e1006c 38a10074 9101006c
e90d0c78 f9010078 39000000 91410074 9121006c 4bbf2885 60000000
<0fe00000> e9410078 e92d0c78 7d4a4a79
[ 523.921882] ---[ end trace 0000000000000000 ]---
Reported-by: Misbah Anjum N <misanjum@linux.ibm.com>
Regards,
Misbah Anjum N
next reply other threads:[~2025-11-18 4:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 4:42 Misbah Anjum N [this message]
2025-11-18 7:51 ` Ritesh Harjani
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