Messages in this thread | | | Subject | Re: WARNING: CPU: 26 PID: 64391 at lib/vsprintf.c:2193 set_precision+0x84/0x90 | From | Qian Cai <> | Date | Tue, 13 Nov 2018 13:58:18 -0500 |
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On Tue, 2018-11-13 at 19:29 +0200, Andy Shevchenko wrote: > On Tue, Nov 13, 2018 at 11:55:32AM -0500, Qian Cai wrote: > > +Cc Rasmus > > > Running the trinity fuzzer with a non-root user on an aarch64 server with > > the > > latest mainline (rc2) generated this. Is it just a false alarm to ignore? > > > > [ 807.847370] precision 65525 too large > > It seems like someone uses -EAGAIN as a parameter to printf(). > > Or rather this line > > if (!fs && (request_module("fs-%.*s", len, name) == 0)) { > ... > } > > Care to print the len and name parameters before this line? len = 60612; name = %d%d%d%d%d%d%s%s%s%d%s%d%d%d%s%s%s%s%s%d%s%d%s%s%s%d%s%d%d%s%s%d%s%s%d%d%s%s%s%s %s%d%s%d%d%s%s%s%d%d%d%d%d%s%s%s%s%d%s%s%s%s%d%d%d%d%d%d%d%s%s%s%s%d%s%d%s%d%s%d %s%s%d%s%d%s%s%s%s%d%s%d%s%s%d%d%s%s%d%s%d%s%s%d%s%d%d%s%s%s%s%d%s%s%s%s%d%d%s%s %s%d%s%d%s%s%d%d%d%d%d%s%s%s%s%s%s%s%d%d%d%s%d%s%d%d%s%d%d%d%s%s%d%d%d%s%s%d%s%d %s%s%s%d%d%d%s%d%s%s%d%s%d%s%s%d%s%d%d%s%d%s%s%d%s%s%s%s%s%d%s%d%d%d%s%d%d%d%d%s %d%s%d%d%d%s%s%s%s%s%d%s%s%s%s%d%d%d%s%d%s%d%d%s%d%s%s%d%d%d%s%d%s%d%d%s%s%s%d%s %s%d%d%d%d%d%d%d%d%d%d%s%d%s%d%s%d%d%s%d%d%s%d%s%s%s%d%d%d%d%s%s%d%d%s%d%d%d%s%d %d%s%d%d%d%d%s%s%d%s%s%d%d%d%s%s%s%s%s%s%s%s%s%d%s%d%d%s%d%s%s%d%s%s%s%s%d%d%d%d %s%d%s%s%d%d%d%s%d%d%d%s%s%s%s%d%d%d%s%d%s%d%s%d%d%d%d%d%d%d%d%d%d%s%s%d%d%d%s%d %d%d%s%s%s%s%s%s%s%d%d%d%d%s%s%d%s%s%d%s%s%s%s%d%d%s%d%d%s%d%d%s%d%d%d%s%s%s%s%d %s%s%d%s%d%s%d%s%d%d%d%d%s%d%d%d%s%d%d%d%d%s%s%d%s%s%d%d%d%s%d%s%d%d%d%d%d%d%s%d %s%s%d%d%s%d%d%d%s%s%d%s%d%s%d%s%d%d%s%d%s%s%s%s%s%d%s%s%d%d%d%s%s%d%d%s%s%d%s%d %s%d%s%s%s% [ 833.044728] ------------[ cut here ]------------ [ 833.137184] precision 60612 too large > > > > [ 807.847449] WARNING: CPU: 26 PID: 64391 at lib/vsprintf.c:2193 > > set_precision+0x84/0x90 > > [ 807.860161] Modules linked in: cast6_generic cast_common lrw bridge 8021q > > garp mrp stp llc dlci tcp_diag inet_diag af_key pptp gre l2tp_ppp > > l2tp_netlink > > l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc crypto_user > > ib_core nfnetlink scsi_transport_iscsi atm sctp vfat fat ghash_ce sha2_ce > > sha256_arm64 sha1_ce ses enclosure ipmi_ssif sg ipmi_si ipmi_devintf > > sbsa_gwdt > > ipmi_msghandler sch_fq_codel xfs libcrc32c marvell mpt3sas mlx5_core > > raid_class > > hibmc_drm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm > > drm > > ixgbe hisi_sas_v2_hw igb hisi_sas_main libsas hns_dsaf mlxfw devlink > > hns_enet_drv mdio i2c_designware_platform i2c_algo_bit i2c_designware_core > > ehci_platform scsi_transport_sas hns_mdio hnae dm_mirror dm_region_hash > > dm_log > > dm_mod > > [ 807.927838] CPU: 26 PID: 64391 Comm: trinity-c90 Kdump: loaded Tainted: > > G W 4.20.0-rc2+ #16 > > [ 807.937494] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.50 > > 06/01/2018 > > [ 807.944718] pstate: 60000005 (nZCv daif -PAN -UAO) > > [ 807.949515] pc : set_precision+0x84/0x90 > > [ 807.953439] lr : set_precision+0x84/0x90 > > [ 807.957362] sp : ffff801e6430f6b0 > > [ 807.960677] x29: ffff801e6430f6b0 x28: ffff801e6430fb10 > > [ 807.965992] x27: 0000000000000003 x26: 00000000ffffffd8 > > [ 807.971307] x25: ffff801e6430fba0 x24: ffff801e6430fb48 > > [ 807.976622] x23: ffff2000093ddfa0 x22: ffff801e6430f770 > > [ 807.981937] x21: ffff2000090eb4a6 x20: ffff801e6430f770 > > [ 807.987252] x19: 000000000000fff5 x18: 0000000000000000 > > [ 807.992569] x17: 0000000000000000 x16: 0000000000000000 > > [ 807.997884] x15: 0000000000000000 x14: 3878302031343220 > > [ 808.003201] x13: 6265783020303939 x12: ffff04000172b49c > > [ 808.008516] x11: 1fffe4000172b49b x10: ffff04000172b49b > > [ 808.013832] x9 : 0000000000000000 x8 : 203532353536206e > > [ 808.019148] x7 : 6f69736963657270 x6 : 0000000041b58ab3 > > [ 808.024463] x5 : dfff200000000000 x4 : dfff200000000000 > > [ 808.029779] x3 : dfff200000000000 x2 : 65a2459128144800 > > [ 808.035093] x1 : 65a2459128144800 x0 : 0000000000000000 > > [ 808.040408] Call trace: > > [ 808.042861] set_precision+0x84/0x90 > > [ 808.046440] vsnprintf+0x23c/0x858 > > [ 808.049845] __request_module+0x1a0/0x8b8 > > [ 808.053860] get_fs_type+0xb0/0x138 > > [ 808.057351] do_mount+0x2c4/0x13c0 > > [ 808.060756] ksys_mount+0xf4/0x110 > > [ 808.064160] __arm64_sys_mount+0x70/0x88 > > [ 808.068087] el0_svc_handler+0xd4/0x198 > > [ 808.071928] el0_svc+0x8/0xc > > [ 808.074810] irq event stamp: 347872 > > [ 808.078305] hardirqs last enabled at (347871): [<ffff2000082080e8>] > > vprintk_emit+0x2b0/0x5c0 > > [ 808.086833] hardirqs last disabled at (347872): [<ffff200008081490>] > > do_debug_exception+0xd8/0x190 > > [ 808.095795] softirqs last enabled at (347844): [<ffff200008082210>] > > __do_softirq+0x7c8/0x9c8 > > [ 808.104325] softirqs last disabled at (347837): [<ffff20000812dbe4>] > > irq_exit+0x25c/0x2f0 > > [ 808.112502] ---[ end trace 598902d30712b79e ]--- > >
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