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Wed, 12 Jun 2024 10:18:21 -0700 (PDT) Date: Wed, 12 Jun 2024 10:18:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b7b11a061ab49122@google.com> Subject: [syzbot] [mm?] WARNING in __page_table_check_ptes_set (2) From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pasha.tatashin@soleen.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 73BE0140020 X-Rspam-User: X-Rspamd-Server: rspam09 X-Stat-Signature: gyr519k41ksqboi8unzmnjw4a5w3xwo9 X-HE-Tag: 1718212702-490026 X-HE-Meta: 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 /TeKFPyu 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 Hm1qP/As cJMeUmgGh1n9O1cxUNwueRG+vOL2Ruwwhjle1nSG4FFALxra9mKd9Vs0RhbiYnf+6m4ewJuo6EsYfb8gaij2ihRJaXeXR4FIj5Xjt3/zmvUkmw/SYLDo5Aukki84fXuecXRtr+wHtyg7Si5ZiRuLZkWTWdzmYTp//dbc3IzI8y8lliW9nwULEKZRX3E/E8W6AjvFEQ1fP8GIdfiiZezSnve7KRE+y3x2uDEcHRXqquRfUiVnWlPUfBlfRaszFjb0leeNPbl8AKeTWA1lXEcHGadixkS/m0Ar15UBXWL+hcVl7OBJA4jmrT0ltyWo5KiBVsMPtRg+6CfJ0Jt6ILfgw3lLejM9hLlvS4u4ciCPyUI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 8867bbd4a056 mm: arm64: Fix the out-of-bounds issue in con.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=146b3d96980000 kernel config: https://syzkaller.appspot.com/x/.config?x=3b4350cf56c61c80 dashboard link: https://syzkaller.appspot.com/bug?extid=0b56d6ed0d0c0c9a79dc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6ea21f50498b/disk-8867bbd4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e2fed09364aa/vmlinux-8867bbd4.xz kernel image: https://storage.googleapis.com/syzbot-assets/4860173c7a18/Image-8867bbd4.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0b56d6ed0d0c0c9a79dc@syzkaller.appspotmail.com Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Bluetooth: BNEP filters: protocol multicast Bluetooth: BNEP socket layer initialized Bluetooth: CMTP (CAPI Emulation) ver 1.0 Bluetooth: CMTP socket layer initialized Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Bluetooth: HIDP socket layer initialized NET: Registered PF_RXRPC protocol family Key type rxrpc registered Key type rxrpc_s registered NET: Registered PF_KCM protocol family lec:lane_module_init: lec.c: initialized mpoa:atm_mpoa_init: mpc.c: initialized l2tp_core: L2TP core driver, V2.0 l2tp_ppp: PPPoL2TP kernel driver, V2.0 l2tp_ip: L2TP IP encapsulation support (L2TPv3) l2tp_netlink: L2TP netlink interface l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) NET: Registered PF_PHONET protocol family 8021q: 802.1Q VLAN Support v1.8 DCCP: Activated CCID 2 (TCP-like) DCCP: Activated CCID 3 (TCP-Friendly Rate Control) DCCP is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list sctp: Hash tables configured (bind 32/56) NET: Registered PF_RDS protocol family Registered RDS/infiniband transport Registered RDS/tcp transport tipc: Activated (version 2.0.0) NET: Registered PF_TIPC protocol family tipc: Started in single node mode NET: Registered PF_SMC protocol family 9pnet: Installing 9P2000 support NET: Registered PF_CAIF protocol family NET: Registered PF_IEEE802154 protocol family Key type dns_resolver registered Key type ceph registered libceph: loaded (mon/osd proto 15/24) batman_adv: B.A.T.M.A.N. advanced 2024.2 (compatibility version 15) loaded openvswitch: Open vSwitch switching datapath NET: Registered PF_VSOCK protocol family mpls_gso: MPLS GSO support Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level registered taskstats version 1 Loading compiled-in X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: 79e1c0a63a233d95d926db3e542dc8d9e342ab6b' zswap: loaded using pool lzo/zsmalloc Demotion targets for Node 0: null debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1 at mm/page_table_check.c:198 page_table_check_pte_flags mm/page_table_check.c:198 [inline] WARNING: CPU: 1 PID: 1 at mm/page_table_check.c:198 __page_table_check_ptes_set+0x324/0x398 mm/page_table_check.c:211 Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : page_table_check_pte_flags mm/page_table_check.c:198 [inline] pc : __page_table_check_ptes_set+0x324/0x398 mm/page_table_check.c:211 lr : page_table_check_pte_flags mm/page_table_check.c:198 [inline] lr : __page_table_check_ptes_set+0x324/0x398 mm/page_table_check.c:211 sp : ffff800093d57520 x29: ffff800093d575a0 x28: ffff7000127aaec8 x27: dfff800000000000 x26: 0000000000000001 x25: bfeffffffffffff3 x24: 1ffff000127aaea8 x23: 0408000000000000 x22: 0000000000000001 x21: ffff0000d38131b8 x20: ffff800093d57540 x19: 0408000000000000 x18: ffff800093d57300 x17: 00000000000074be x16: ffff800080b0d2d4 x15: ffff7000127aaeb0 x14: 1ffff000127aaeb0 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff80008eb6e78c x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c1968000 x7 : ffff80008096b550 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : bfeffffffffffff3 x1 : 0408000000000000 x0 : 0408000000000000 Call trace: page_table_check_pte_flags mm/page_table_check.c:198 [inline] __page_table_check_ptes_set+0x324/0x398 mm/page_table_check.c:211 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline] __set_ptes arch/arm64/include/asm/pgtable.h:404 [inline] set_ptes arch/arm64/include/asm/pgtable.h:1586 [inline] pte_clear_tests+0x510/0x538 mm/debug_vm_pgtable.c:640 debug_vm_pgtable+0x268/0x590 mm/debug_vm_pgtable.c:1392 do_one_initcall+0x254/0x9e4 init/main.c:1267 do_initcall_level+0x154/0x214 init/main.c:1329 do_initcalls+0x58/0xac init/main.c:1345 do_basic_setup+0x8c/0xa0 init/main.c:1364 kernel_init_freeable+0x324/0x478 init/main.c:1578 kernel_init+0x24/0x2a0 init/main.c:1467 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 1342246 hardirqs last enabled at (1342245): [] seqcount_lockdep_reader_access+0x6c/0xd4 include/linux/seqlock.h:74 hardirqs last disabled at (1342246): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (1342178): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (1342178): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (1341257): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- page_owner is disabled Key type .fscrypt registered Key type fscrypt-provisioning registered kAFS: Red Hat AFS client v0.1 registering. Btrfs loaded, assert=on, ref-verify=on, zoned=yes, fsverity=yes Key type big_key registered Key type encrypted registered ima: No TPM chip found, activating TPM-bypass! Loading compiled-in module X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: 79e1c0a63a233d95d926db3e542dc8d9e342ab6b' ima: Allocated hash algorithm: sha256 ima: No architecture policies found evm: Initialising EVM extended attributes: evm: security.selinux (disabled) evm: security.SMACK64 evm: security.SMACK64EXEC evm: security.SMACK64TRANSMUTE evm: security.SMACK64MMAP evm: security.apparmor (disabled) evm: security.ima evm: security.capability evm: HMAC attrs: 0x1 printk: legacy console [netcon0] enabled netconsole: network logging started gtp: GTP module loaded (pdp ctx size 128 bytes) rdma_rxe: loaded cfg80211: Loading compiled-in X.509 certificates for regulatory database Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' clk: Disabling unused clocks PM: genpd: Disabling unused power domains ALSA device list: #0: Dummy 1 #1: Loopback 1 #2: Virtual MIDI Card 1 md: Skipping autodetection of RAID arrays. (raid=autodetect will force) EXT4-fs (nvme0n1p2): mounted filesystem 126e38a5-b482-40da-8f06-bd78886e02c1 ro with ordered data mode. Quota mode: none. VFS: Mounted root (ext4 filesystem) readonly on device 259:2. devtmpfs: mounted Freeing unused kernel memory: 4416K Run /sbin/init as init process --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup