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Date: Fri, 22 Jun 2018 17:09:43 -0600
From: dann frazier <dannf@...nf.org>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: Martin KaFai Lau <kafai@...com>,
Alexei Starovoitov <ast@...nel.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org
Subject: arm64 regression bisected to "bpf: reject any prog that failed
read-only lock"
fyi, I'm seeing a regression that I've bisected down to:
9facc336876f bpf: reject any prog that failed read-only lock
A snippet of the boot messages are below. I'll be out of pocket until
Monday, so apologies in advance for delays in responding to follow-ups.
[ 28.544142] Internal error: SP/PC alignment exception: 8a000000 [#21] SMP
[ 28.550918] Modules linked in: btrfs zstd_compress hid_generic raid10 raid456 usbhid async_raid6_recov async_memcpy async_pq async_xor hid async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear marvell hibmc_drm aes_ce_blk ttm aes_ce_cipher drm_kms_helper crc32_ce crct10dif_ce syscopyarea ghash_ce qla2xxx sysfillrect sha2_ce sysimgblt fb_sys_fops sha256_arm64 sha1_ce hns3 mpt3sas nvme_fc hisi_sas_v3_hw nvme_fabrics drm ixgbe hisi_sas_main scsi_transport_fc hclge libsas ahci raid_class hnae3 libahci scsi_transport_sas mdio aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
[ 28.602352] CPU: 19 PID: 1423 Comm: systemd-udevd Tainted: G D 4.18.0-rc1+ #19
[ 28.610861] Hardware name: Huawei D06/D06, BIOS Hisilicon D06 EC UEFI Nemo 2.0 RC0 - B308 (V0.38) 06/02/2018
[ 28.620674] pstate: 40400009 (nZcv daif +PAN -UAO)
[ 28.625451] pc : 0xffff00000327f857
[ 28.628928] lr : sk_filter_trim_cap+0x8c/0x1b8
[ 28.633358] sp : ffff00002b1bba80
[ 28.636659] x29: ffff00002b1bba80 x28: 0000000000000001
[ 28.641958] x27: ffff803f71e25800 x26: ffff803f6b16d000
[ 28.647257] x25: 0000000000000000 x24: 0000000000000000
[ 28.652555] x23: 0000000000000001 x22: ffff00002ab06000
[ 28.657854] x21: 0000000000000000 x20: ffff0000095c8000
[ 28.663152] x19: ffff803f73c7a700 x18: 0000fffff53ce450
[ 28.668451] x17: 0000ffffb96575f8 x16: ffff0000089c1c38
[ 28.673750] x15: 0000000000000020 x14: 5953425553003331
[ 28.679049] x13: 3a303a332d796870 x12: 2f7968705f736173
[ 28.684347] x11: 2f33313a303a332d x10: 00000000000000db
[ 28.689646] x9 : ffff00002b1bbd50 x8 : ffff803f73c7a700
[ 28.694945] x7 : ffff803f73c7be00 x6 : 0000000000001900
[ 28.700243] x5 : 0000000000000183 x4 : ffff803f80ccf9d0
[ 28.705542] x3 : 0000000000000000 x2 : ffff00000327f857
[ 28.710840] x1 : ffff00002ab06038 x0 : ffff803f73c7a700
[ 28.716140] Process systemd-udevd (pid: 1423, stack limit = 0x(____ptrval____))
[ 28.723434] Call trace:
[ 28.725867] 0xffff00000327f857
[ 28.728995] netlink_broadcast_filtered+0x234/0x418
[ 28.733860] netlink_sendmsg+0x354/0x360
[ 28.737769] sock_sendmsg+0x4c/0x68
[ 28.741244] ___sys_sendmsg+0x2ac/0x2f0
[ 28.745067] __sys_sendmsg+0x7c/0xd0
[ 28.748629] sys_sendmsg+0x38/0x48
[ 28.752017] el0_svc_naked+0x30/0x34
[ 28.755580] Code: 202000d4 202000d4 202000d4 202000d4 (a9bf7bfd)
[ 28.761660] ---[ end trace 4451ed1a5b395c65 ]---
[ 28.766267] Internal error: SP/PC alignment exception: 8a000000 [#22] SMP
[ 28.773044] Modules linked in: btrfs zstd_compress hid_generic raid10 raid456 usbhid async_raid6_recov async_memcpy async_pq async_xor hid async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear marvell hibmc_drm aes_ce_blk ttm aes_ce_cipher drm_kms_helper crc32_ce crct10dif_ce syscopyarea ghash_ce qla2xxx sysfillrect sha2_ce sysimgblt fb_sys_fops sha256_arm64 sha1_ce hns3 mpt3sas nvme_fc hisi_sas_v3_hw nvme_fabrics drm ixgbe hisi_sas_main scsi_transport_fc hclge libsas ahci raid_class hnae3 libahci scsi_transport_sas mdio aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
[ 28.824485] CPU: 20 PID: 1424 Comm: systemd-udevd Tainted: G D 4.18.0-rc1+ #19
[ 28.832994] Hardware name: Huawei D06/D06, BIOS Hisilicon D06 EC UEFI Nemo 2.0 RC0 - B308 (V0.38) 06/02/2018
[ 28.842805] pstate: 40400009 (nZcv daif +PAN -UAO)
[ 28.847583] pc : 0xffff00000327f857
[ 28.851060] lr : sk_filter_trim_cap+0x8c/0x1b8
[ 28.855490] sp : ffff00002b1c3a80
[ 28.858791] x29: ffff00002b1c3a80 x28: 0000000000000001
[ 28.864090] x27: ffff803f71e25800 x26: ffff803f6b169000
[ 28.869388] x25: 0000000000000000 x24: 0000000000000000
[ 28.874687] x23: 0000000000000001 x22: ffff00002ab06000
[ 28.879985] x21: 0000000000000000 x20: ffff0000095c8000
[ 28.885284] x19: ffff803f742c0900 x18: 0000fffff53ce450
[ 28.890583] x17: 0000ffffb96575f8 x16: ffff0000089c1c38
[ 28.895881] x15: 0000000000000020 x14: 5953425553003431
[ 28.901180] x13: 3a303a332d796870 x12: 2f7968705f736173
[ 28.906478] x11: 2f34313a303a332d x10: 00000000000000db
[ 28.911777] x9 : ffff00002b1c3d50 x8 : ffff803f742c0900
[ 28.917075] x7 : ffff803f742c0c00 x6 : 0000000000000500
[ 28.922374] x5 : 0000000000000045 x4 : ffff803f80ce89d0
[ 28.927673] x3 : 0000000000000000 x2 : ffff00000327f857
[ 28.932971] x1 : ffff00002ab06038 x0 : ffff803f742c0900
[ 28.938271] Process systemd-udevd (pid: 1424, stack limit = 0x(____ptrval____))
[ 28.945565] Call trace:
[ 28.947998] 0xffff00000327f857
[ 28.951127] netlink_broadcast_filtered+0x234/0x418
[ 28.955991] netlink_sendmsg+0x354/0x360
[ 28.959901] sock_sendmsg+0x4c/0x68
[ 28.963377] ___sys_sendmsg+0x2ac/0x2f0
[ 28.967199] __sys_sendmsg+0x7c/0xd0
[ 28.970761] sys_sendmsg+0x38/0x48
[ 28.974150] el0_svc_naked+0x30/0x34
[ 28.977713] Code: 202000d4 202000d4 202000d4 202000d4 (a9bf7bfd)
[ 28.983793] ---[ end trace 4451ed1a5b395c66 ]---
[ 28.988399] Internal error: SP/PC alignment exception: 8a000000 [#23] SMP
[ 28.995175] Modules linked in: btrfs zstd_compress hid_generic raid10 raid456 usbhid async_raid6_recov async_memcpy async_pq async_xor hid async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear marvell hibmc_drm aes_ce_blk ttm aes_ce_cipher drm_kms_helper crc32_ce crct10dif_ce syscopyarea ghash_ce qla2xxx sysfillrect sha2_ce sysimgblt fb_sys_fops sha256_arm64 sha1_ce hns3 mpt3sas nvme_fc hisi_sas_v3_hw nvme_fabrics drm ixgbe hisi_sas_main scsi_transport_fc hclge libsas ahci raid_class hnae3 libahci scsi_transport_sas mdio aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
[ 29.046612] CPU: 22 PID: 1425 Comm: systemd-udevd Tainted: G D 4.18.0-rc1+ #19
[ 29.055121] Hardware name: Huawei D06/D06, BIOS Hisilicon D06 EC UEFI Nemo 2.0 RC0 - B308 (V0.38) 06/02/2018
[ 29.064932] pstate: 40400009 (nZcv daif +PAN -UAO)
[ 29.069710] pc : 0xffff00000327f857
[ 29.073187] lr : sk_filter_trim_cap+0x8c/0x1b8
[ 29.077616] sp : ffff00002b1cba80
[ 29.080917] x29: ffff00002b1cba80 x28: 0000000000000001
[ 29.086216] x27: ffff803f71e25800 x26: ffff803f6b16b000
[ 29.091515] x25: 0000000000000000 x24: 0000000000000000
[ 29.096813] x23: 0000000000000001 x22: ffff00002ab06000
[ 29.102112] x21: 0000000000000000 x20: ffff0000095c8000
[ 29.107411] x19: ffff803f74362c00 x18: 0000fffff53ce450
[ 29.112709] x17: 0000ffffb96575f8 x16: ffff0000089c1c38
[ 29.118008] x15: 0000000000000020 x14: 5953425553003531
[ 29.123306] x13: 3a303a332d796870 x12: 2f7968705f736173
[ 29.128605] x11: 2f35313a303a332d x10: 00000000000000db
[ 29.133904] x9 : ffff00002b1cbd50 x8 : ffff803f74362c00
[ 29.139202] x7 : ffff803f74363900 x6 : 0000000000001500
[ 29.144501] x5 : 00000000000000c2 x4 : ffff803f80d1a9d0
[ 29.149799] x3 : 0000000000000000 x2 : ffff00000327f857
[ 29.155098] x1 : ffff00002ab06038 x0 : ffff803f74362c00
[ 29.160397] Process systemd-udevd (pid: 1425, stack limit = 0x(____ptrval____))
[ 29.167691] Call trace:
[ 29.170125] 0xffff00000327f857
[ 29.173254] netlink_broadcast_filtered+0x234/0x418
[ 29.178118] netlink_sendmsg+0x354/0x360
[ 29.182027] sock_sendmsg+0x4c/0x68
[ 29.185503] ___sys_sendmsg+0x2ac/0x2f0
[ 29.189325] __sys_sendmsg+0x7c/0xd0
[ 29.192888] sys_sendmsg+0x38/0x48
[ 29.196276] el0_svc_naked+0x30/0x34
[ 29.199839] Code: 202000d4 202000d4 202000d4 202000d4 (a9bf7bfd)
[ 29.205919] ---[ end trace 4451ed1a5b395c67 ]---
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