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X-Gm-Message-State: AOJu0Yy5do0uE56bZPC5kG8C0ok/2/awSTaLWeZFHERzX4NyyFhW0Xh5 kcO1bofdLfZN0A5V585qm8QIF442812gFqg5fbWY6rU7wfknbP4n1qyFQWFF1iSl/oUULY2ivWa NsmxQALAsMPAN3G1C7CB73O+wPV6rC8RFDuh4qwMP8gx/8h1Ld+5fKvo= X-Google-Smtp-Source: AGHT+IHVHngzvT3q7Roth4c2HBRTjPBHVicqMnol/OiJOBj8V6RoiMQ3qLiqL66ZZteAdwDrXThZoVa2fS18pOuVkiaJ5MoJefD0 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1568:b0:3a6:b258:fcf with SMTP id e9e14a558f8ab-3a6b25813e9mr210799945ab.2.1730902104867; Wed, 06 Nov 2024 06:08:24 -0800 (PST) Date: Wed, 06 Nov 2024 06:08:24 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <672b7858.050a0220.350062.0256.GAE@google.com> Subject: [syzbot] [mm?] BUG: stack guard page was hit in v9fs_file_read_iter From: syzbot To: asmadeus@codewreck.org, ericvh@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux_oss@crudebyte.com, lucho@ionkov.net, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2B73740026 X-Stat-Signature: 5qt9ozuxpp4bm5cdga5wo96n3fxrq9cp X-Rspam-User: X-HE-Tag: 1730902078-145371 X-HE-Meta: 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 dte+Ym6U 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 YW65edhA 3lhLaNjtG3KC8UkkzhnkvxNYwp7pVCi18EevW0TmUkIq6ZxEA8YvSjUD7WscK530yOkP+IbR1ESendWu7TBBDxDbL/k9mlsVoxlCPXhF1rDUNk06FYtqjo6CKGP09slOQ093It2dSF6CDlSSbAnzJm4ItNLkG18aGR/9R9cPw5Eq/lElUVEHxVZWCYRUqhEN6wqYbf8eTozt6IkJ9shQ7QOQLX1jL1VXx4YfBmHz96hWAOK2LIa5iamAuJpSe+iCNPu449UqnWLtjMeoAKKFY5KKRLaHH4IPgMtUCXtuxzk2zeleNcunx37eOrybV/OJuj0sga3HhgTGywcfHWheKrFWf5OyGZbLzsYAblwVcq0QDqxkqmYMf6tCpM8MzH8pjBcpqNQKW5Z/m4TLrbzT7EHYt2NvYoVf 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: 2e1b3cc9d7f7 Merge tag 'arm-fixes-6.12-2' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=164f56a7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c0b2fb415081f288 dashboard link: https://syzkaller.appspot.com/bug?extid=1fc6f64c40a9d143cfb6 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cf8e30580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a27587980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-2e1b3cc9.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6887ff647109/vmlinux-2e1b3cc9.xz kernel image: https://storage.googleapis.com/syzbot-assets/958ab0c29314/bzImage-2e1b3cc9.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1fc6f64c40a9d143cfb6@syzkaller.appspotmail.com BUG: TASK stack guard page was hit at ffffc9000482ff48 (stack is ffffc90004830000..ffffc90004838000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 3 UID: 0 PID: 6237 Comm: syz-executor663 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:mark_lock+0x25/0xc60 kernel/locking/lockdep.c:4686 Code: 90 90 90 90 90 55 48 89 e5 41 57 41 56 41 89 d6 48 ba 00 00 00 00 00 fc ff df 41 55 41 54 53 48 83 e4 f0 48 81 ec 10 01 00 00 <48> c7 44 24 30 b3 8a b5 41 48 8d 44 24 30 48 c7 44 24 38 c0 4d 7a RSP: 0018:ffffc9000482ff50 EFLAGS: 00010086 RAX: 000000000000000c RBX: ffff8880306c2fba RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffff8880306c2f98 RDI: ffff8880306c2440 RBP: ffffc90004830088 R08: 0000000000000000 R09: 0000000000000006 R10: ffffffff96e2dd27 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880306c2f98 R14: 0000000000000008 R15: ffff8880306c2440 FS: 00007fedf3b6e6c0(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000482ff48 CR3: 000000002c910000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> mark_usage kernel/locking/lockdep.c:4646 [inline] __lock_acquire+0x906/0x3ce0 kernel/locking/lockdep.c:5156 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ___slab_alloc+0x123/0x1880 mm/slub.c:3695 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] kmem_cache_alloc_noprof+0x2a7/0x2f0 mm/slub.c:4141 radix_tree_node_alloc.constprop.0+0x1e8/0x350 lib/radix-tree.c:253 idr_get_free+0x528/0xa40 lib/radix-tree.c:1506 idr_alloc_u32+0x191/0x2f0 lib/idr.c:46 idr_alloc+0xc1/0x130 lib/idr.c:87 p9_tag_alloc+0x394/0x870 net/9p/client.c:321 p9_client_prepare_req+0x19f/0x4d0 net/9p/client.c:644 p9_client_zc_rpc.constprop.0+0x105/0x880 net/9p/client.c:793 p9_client_read_once+0x443/0x820 net/9p/client.c:1570 p9_client_read+0x13f/0x1b0 net/9p/client.c:1534 v9fs_issue_read+0x115/0x310 fs/9p/vfs_addr.c:74 netfs_retry_read_subrequests fs/netfs/read_retry.c:60 [inline] netfs_retry_reads+0x153a/0x1d00 fs/netfs/read_retry.c:232 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 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netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_retry_reads+0x155e/0x1d00 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:371 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:407 netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline] netfs_unbuffered_read fs/netfs/direct_read.c:127 [inline] netfs_unbuffered_read_iter_locked+0x12f6/0x19b0 fs/netfs/direct_read.c:221 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:256 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361 do_iter_readv_writev+0x614/0x7f0 fs/read_write.c:832 vfs_readv+0x4cf/0x890 fs/read_write.c:1025 do_preadv fs/read_write.c:1142 [inline] __do_sys_preadv fs/read_write.c:1192 [inline] __se_sys_preadv fs/read_write.c:1187 [inline] __x64_sys_preadv+0x22d/0x310 fs/read_write.c:1187 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fedf3bd4dd9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fedf3b6e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007fedf3c5e318 RCX: 00007fedf3bd4dd9 RDX: 0000000000000001 RSI: 00000000200015c0 RDI: 0000000000000003 RBP: 00007fedf3c5e310 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fedf3c5e31c R13: 000000000000000b R14: 00007fffe9d355b0 R15: 00007fffe9d35698 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:mark_lock+0x25/0xc60 kernel/locking/lockdep.c:4686 Code: 90 90 90 90 90 55 48 89 e5 41 57 41 56 41 89 d6 48 ba 00 00 00 00 00 fc ff df 41 55 41 54 53 48 83 e4 f0 48 81 ec 10 01 00 00 <48> c7 44 24 30 b3 8a b5 41 48 8d 44 24 30 48 c7 44 24 38 c0 4d 7a RSP: 0018:ffffc9000482ff50 EFLAGS: 00010086 RAX: 000000000000000c RBX: ffff8880306c2fba RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffff8880306c2f98 RDI: ffff8880306c2440 RBP: ffffc90004830088 R08: 0000000000000000 R09: 0000000000000006 R10: ffffffff96e2dd27 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880306c2f98 R14: 0000000000000008 R15: ffff8880306c2440 FS: 00007fedf3b6e6c0(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000482ff48 CR3: 000000002c910000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 55 push %rbp 6: 48 89 e5 mov %rsp,%rbp 9: 41 57 push %r15 b: 41 56 push %r14 d: 41 89 d6 mov %edx,%r14d 10: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 17: fc ff df 1a: 41 55 push %r13 1c: 41 54 push %r12 1e: 53 push %rbx 1f: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp 23: 48 81 ec 10 01 00 00 sub $0x110,%rsp * 2a: 48 c7 44 24 30 b3 8a movq $0x41b58ab3,0x30(%rsp) <-- trapping instruction 31: b5 41 33: 48 8d 44 24 30 lea 0x30(%rsp),%rax 38: 48 rex.W 39: c7 .byte 0xc7 3a: 44 24 38 rex.R and $0x38,%al 3d: c0 .byte 0xc0 3e: 4d rex.WRB 3f: 7a .byte 0x7a --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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