Reproduced this with mainline arm64 kernel https://kernel.ubuntu.com/~kernel-ppa/mainline/v6.5.5/arm64/linux-image- unsigned-6.5.5-060505-generic_6.5.5-060505.202309230703_arm64.deb
[ 219.219042] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP [ 219.262013] Modules linked in: cfg80211 binfmt_misc nls_iso8859_1 dm_multipat h drm efi_pstore dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_ generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_t x xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_ce poly val_ce polyval_generic ghash_ce sm4 sha2_ce sha256_arm64 virtio_net sha1_ce arm_ smccc_trng virtio_rng net_failover xhci_pci failover xhci_pci_renesas aes_neon_b s aes_neon_blk aes_ce_blk aes_ce_cipher [ 219.322456] CPU: 13 PID: 1182 Comm: stress-ng-filen Not tainted 6.5.5-060505- generic #202309230703 [ 219.332405] Hardware name: QEMU KVM Virtual Machine, BIOS 2023.05-2 09/23/202 3 [ 219.340433] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 219.348163] pc : d_instantiate_new+0xa8/0xc8 [ 219.352942] lr : ext4_add_nondir+0x10c/0x160 [ 219.357822] sp : ffff8000826ab9d0 [ 219.361517] x29: ffff8000826ab9d0 x28: 0000000000000000 x27: ffffa9b65720a940 [ 219.369535] x26: ffff1ea33582d2e0 x25: 0000000000008180 x24: ffff1ea3c2bb3d48 [ 219.377494] x23: ffff1ea33582d2c0 x22: ffff8000826abab0 x21: ffff1ea3c3344930 [ 219.385428] x20: ffff1ea324bda188 x19: 0000000000000000 x18: ffff800080b4d068 [ 219.393336] x17: 0000000000000000 x16: 0000000000000000 x15: 9afaefe7af176647 [ 219.401279] x14: f302afa80109b8f3 x13: a3469afaefe7af17 x12: 6647f302afa80109 [ 219.409258] x11: b4e7e46bc44fb52e x10: 4e81094291a860ce x9 : ffffa9b6562b1b74 [ 219.417639] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 [ 219.426015] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 219.434462] x2 : ffffa9b6591b27e8 x1 : ffff1ea324bda188 x0 : ffff1ea33582d2c0 [ 219.442708] Call trace: [ 219.445901] d_instantiate_new+0xa8/0xc8 [ 219.450786] ext4_create+0x120/0x238 [ 219.454800] lookup_open.isra.0+0x478/0x4c8 [ 219.459476] open_last_lookups+0x160/0x3b0 [ 219.464060] path_openat+0x9c/0x290 [ 219.468062] do_filp_open+0xac/0x188 [ 219.472175] do_sys_openat2+0xe4/0x120 [ 219.476412] __arm64_sys_openat+0x6c/0xd8 [ 219.481300] invoke_syscall+0x7c/0x128 [ 219.485876] el0_svc_common.constprop.0+0x5c/0x168 [ 219.491561] do_el0_svc+0x38/0x68 [ 219.495523] el0_svc+0x30/0xe0 [ 219.499161] el0t_64_sync_handler+0x148/0x158 [ 219.504139] el0t_64_sync+0x1b0/0x1b8 [ 219.508320] Code: d2800002 d2800010 d2800011 d65f03c0 (d4210000) [ 219.515430] ---[ end trace 0000000000000000 ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2038768 Title: arm64: linux: stress-ng filename stressor crashes kernel Status in linux package in Ubuntu: Incomplete Status in linux source package in Mantic: Incomplete Bug description: Running latest Ubuntu mantic (ext4 file system) with kernel: Linux mantic-arm64 6.5.0-7-generic #7-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 28 19:12:05 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux How to reproduce: Fire up a 24 instance ARM64 QEMU instance with Ubuntu Mantic Server. Install latest stress-ng from git repo: sudo apt-get update sudo apt-get build-dep stress-ng git clone git://github.com/ColinIanKing/stress-ng cd stress-ng make clean make -j 24 make verify-test-all When we reach the filename stressor the kernel crashes as follows: [ 902.594715] kernel BUG at fs/dcache.c:2050! [ 902.598205] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP [ 902.603127] Modules linked in: dccp_ipv4 dccp atm vfio_iommu_type1 vfio iommu fd cmac algif_rng twofish_generic twofish_common serpent_generic fcrypt cast6_ge neric cast5_generic cast_common camellia_generic blowfish_generic blowfish_commo n aes_arm64 algif_skcipher algif_hash aria_generic sm4_generic sm4_neon ccm aes_ ce_ccm des_generic libdes authenc aegis128 algif_aead af_alg cfg80211 binfmt_mis c nls_iso8859_1 dm_multipath drm efi_pstore dmi_sysfs qemu_fw_cfg ip_tables x_ta bles autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipa th linear crct10dif_ce polyval_ce polyval_generic ghash_ce sm4 sha2_ce sha256_ar m64 sha1_ce arm_smccc_trng xhci_pci virtio_rng xhci_pci_renesas aes_neon_bs aes_ neon_blk aes_ce_blk aes_ce_cipher [ 902.689941] CPU: 1 PID: 91317 Comm: stress-ng-filen Not tainted 6.5.0-7-gener ic #7-Ubuntu [ 902.699281] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 902.706902] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 902.715488] pc : d_instantiate_new+0xa8/0xc8 [ 902.720889] lr : ext4_add_nondir+0x10c/0x160 [ 902.725702] sp : ffff80008b6d3930 [ 902.729390] x29: ffff80008b6d3930 x28: 0000000000000000 x27: ffffbd164e51a980 [ 902.738705] x26: ffff6789f3b68f20 x25: 0000000000008180 x24: ffff678a541f7968 [ 902.747003] x23: ffff6789f3b68f00 x22: ffff80008b6d39b0 x21: ffff678a6a25bcb0 [ 902.755776] x20: ffff678a36f8f028 x19: 0000000000000000 x18: ffff80008af45068 [ 902.764647] x17: 0000000000000000 x16: 0000000000000000 x15: ecececececececec [ 902.773135] x14: ecececececececec x13: ecececececececec x12: ecececececececec [ 902.781386] x11: ecececececececec x10: ecececececececec x9 : ffffbd164d5990bc [ 902.789346] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 [ 902.798564] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 902.806851] x2 : ffffbd16504e4ce0 x1 : ffff678a36f8f028 x0 : ffff6789f3b68f00 [ 902.815544] Call trace: [ 902.818870] d_instantiate_new+0xa8/0xc8 [ 902.823523] ext4_create+0x120/0x238 [ 902.827716] lookup_open.isra.0+0x480/0x4d0 [ 902.832480] open_last_lookups+0x160/0x3b0 [ 902.837060] path_openat+0xa0/0x2a0 [ 902.840975] do_filp_open+0xa8/0x180 [ 902.845582] do_sys_openat2+0xe8/0x128 [ 902.850426] __arm64_sys_openat+0x70/0xe0 [ 902.854952] invoke_syscall+0x7c/0x128 [ 902.859155] el0_svc_common.constprop.0+0x5c/0x168 [ 902.864979] do_el0_svc+0x38/0x68 [ 902.869364] el0_svc+0x30/0xe0 [ 902.873401] el0t_64_sync_handler+0x148/0x158 [ 902.878336] el0t_64_sync+0x1b0/0x1b8 [ 902.882513] Code: d2800002 d2800010 d2800011 d65f03c0 (d4210000) [ 902.890632] ---[ end trace 0000000000000000 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2038768/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
