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Fri, 19 Jul 2024 01:09:24 -0700 (PDT) Date: Fri, 19 Jul 2024 01:09:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a6a7d6061d95361a@google.com> Subject: [syzbot] [kernel?] linux-next test error: WARNING in alloc_workqueue From: syzbot To: linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, peterz@infradead.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 91e3b24eb7d2 Add linux-next specific files for 20240715 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1700fb31980000 kernel config: https://syzkaller.appspot.com/x/.config?x=7b6bd2d463871440 dashboard link: https://syzkaller.appspot.com/bug?extid=0140d5dae274b92d2400 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/b844ec41aa74/disk-91e3b24e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/391d0a06ddd9/vmlinux-91e3b24e.xz kernel image: https://storage.googleapis.com/syzbot-assets/71388f4b21d9/bzImage-91e3b24e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0140d5dae274b92d2400@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5097 at kernel/cpu.c:527 lockdep_assert_cpus_held+0xad/0x100 kernel/cpu.c:527 Modules linked in: CPU: 1 UID: 0 PID: 5097 Comm: syz-executor Not tainted 6.10.0-next-20240715-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:lockdep_assert_cpus_held+0xad/0x100 kernel/cpu.c:527 Code: 0a 89 c3 31 ff 89 c6 e8 81 17 3e 00 85 db 74 14 e8 38 13 3e 00 eb 05 e8 31 13 3e 00 5b 41 5e c3 cc cc cc cc e8 24 13 3e 00 90 <0f> 0b 90 eb ed 48 c7 c1 40 ad af 8f 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9000354f8a8 EFLAGS: 00010293 RAX: ffffffff8155b7cc RBX: 0000000000000000 RCX: ffff888028341e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000354fa80 R08: ffffffff8155b7af R09: 1ffffffff1f6000d R10: dffffc0000000000 R11: fffffbfff1f6000e R12: dffffc0000000000 R13: ffff88801fc28800 R14: dffffc0000000000 R15: ffff8881426f9880 FS: 0000555557025500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564978912b08 CR3: 0000000021990000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: alloc_and_link_pwqs kernel/workqueue.c:5437 [inline] alloc_workqueue+0xbc8/0x1fe0 kernel/workqueue.c:5703 tipc_crypto_start+0xd2/0x620 net/tipc/crypto.c:1472 tipc_init_net+0x211/0x330 net/tipc/core.c:72 ops_init+0x359/0x610 net/core/net_namespace.c:139 setup_net+0x515/0xca0 net/core/net_namespace.c:343 copy_net_ns+0x4e2/0x7b0 net/core/net_namespace.c:508 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228 ksys_unshare+0x619/0xc10 kernel/fork.c:3316 __do_sys_unshare kernel/fork.c:3387 [inline] __se_sys_unshare kernel/fork.c:3385 [inline] __x64_sys_unshare+0x38/0x40 kernel/fork.c:3385 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4a15177337 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff67fdb2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a15177337 RDX: 00007f4a15175bd9 RSI: 00007fff67fdb290 RDI: 0000000040000000 RBP: 00007fff67fdb2f8 R08: 00007f4a152c3a30 R09: 00007f4a152c3a30 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff67fdb2f0 R13: 00007fff67fdb578 R14: 0000000000000009 R15: 0000000000000009 --- 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