infiniband syz2: set active infiniband syz2: added team_slave_1 workqueue: Failed to create a rescuer kthread for wq "ib_mad1": -EINTR Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 5345 Comm: syz.2.13 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__lock_acquire+0x69/0x2040 kernel/locking/lockdep.c:5010 Code: b6 04 30 84 c0 0f 85 87 16 00 00 45 31 f6 83 3d 18 dd a8 0e 00 0f 84 ac 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 c9 2a 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc900042ae170 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20318ee R12: ffff88807a95da00 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f0136fff6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32913ff8 CR3: 000000007c066000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5762 touch_wq_lockdep_map kernel/workqueue.c:3876 [inline] __flush_workqueue+0x1e3/0x1770 kernel/workqueue.c:3918 drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4082 destroy_workqueue+0xba/0xc40 kernel/workqueue.c:5830 __alloc_workqueue+0x1c30/0x1fb0 kernel/workqueue.c:5745 alloc_workqueue+0xd6/0x210 kernel/workqueue.c:5758 ib_mad_port_open drivers/infiniband/core/mad.c:2996 [inline] ib_mad_init_device+0x100c/0x2ce0 drivers/infiniband/core/mad.c:3082 add_client_context+0x536/0x8b0 drivers/infiniband/core/device.c:727 enable_device_and_get+0x1e6/0x440 drivers/infiniband/core/device.c:1338 ib_register_device+0x10d4/0x13d0 drivers/infiniband/core/device.c:1426 rxe_register_device+0x267/0x380 drivers/infiniband/sw/rxe/rxe_verbs.c:1524 rxe_net_add+0x98/0x110 drivers/infiniband/sw/rxe/rxe_net.c:542 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:197 nldev_newlink+0x5c2/0x640 drivers/infiniband/core/nldev.c:1794 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x298/0x390 net/socket.c:2680 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: 0033:0x7f0137579e79 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0136fff038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0137716130 RCX: 00007f0137579e79 RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000007 RBP: 00007f01375e7916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0137716130 R15: 00007ffc66a90fe8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x69/0x2040 kernel/locking/lockdep.c:5010 Code: b6 04 30 84 c0 0f 85 87 16 00 00 45 31 f6 83 3d 18 dd a8 0e 00 0f 84 ac 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 c9 2a 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc900042ae170 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20318ee R12: ffff88807a95da00 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f0136fff6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32913ff8 CR3: 000000007c066000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 87 16 xor %al,0x1687850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 18 dd a8 0e 00 cmpl $0x0,0xea8dd18(%rip) # 0xea8dd2d 15: 0f 84 ac 13 00 00 je 0x13c7 1b: 89 54 24 54 mov %edx,0x54(%rsp) 1f: 89 5c 24 68 mov %ebx,0x68(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 c9 2a 8c 00 call 0x8c2b01 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah