rxe_register_device+0x1e3/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1556 rxe_net_add+0x81/0x110 drivers/infiniband/sw/rxe/rxe_net.c:586 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x4a5/0x5a0 drivers/infiniband/core/nldev.c:1797 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6ae/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x820 net/socket.c:2592 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f23d478f7c9 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:00007f23d5663038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f23d49e5fa0 RCX: 00007f23d478f7c9 RDX: 0000000000000810 RSI: 0000200000000240 RDI: 0000000000000008 RBP: 00007f23d4813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f23d49e6038 R14: 00007f23d49e5fa0 R15: 00007ffe0f757d98 Mem-Info: active_anon:2583 inactive_anon:622 isolated_anon:0 active_file:146 inactive_file:39043 isolated_file:0 unevictable:1768 dirty:16 writeback:0 slab_reclaimable:6593 slab_unreclaimable:31143 mapped:10004 shmem:2233 pagetables:735 sec_pagetables:289 bounce:0 kernel_misc_reclaimable:0 free:35710 free_pcp:0 free_cma:0 Node 0 active_anon:104kB inactive_anon:2488kB active_file:564kB inactive_file:856kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1376kB dirty:20kB writeback:0kB shmem:132kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3616kB pagetables:884kB sec_pagetables:1088kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:2076kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:76kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 121 121 121 121 Node 0 DMA32 free:4624kB boost:4096kB min:8964kB low:10180kB high:11396kB reserved_highatomic:0KB free_highatomic:0KB active_anon:100kB inactive_anon:2412kB active_file:564kB inactive_file:856kB unevictable:0kB writepending:20kB zspages:0kB present:770052kB managed:124500kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 39*4kB (UE) 16*8kB (UE) 4*16kB (E) 14*32kB (UE) 14*64kB (UE) 3*128kB (UE) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2076kB Node 0 DMA32: 63*4kB (M) 65*8kB (UM) 43*16kB (UM) 23*32kB (UM) 10*64kB (M) 6*128kB (UM) 2*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 4628kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 41431 total pagecache pages 12 pages in swap cache Free swap = 124736kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 185415 pages reserved 0 pages cma reserved smc: removing ib device sz1 ------------[ cut here ]------------ WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116, CPU#0: syz.0.0/5338 Modules linked in: CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 50 bc a4 f9 48 83 3b 00 75 0c e8 65 11 3d f9 5b c3 cc cc cc cc cc e8 59 11 3d f9 90 <0f> 0b 90 5b e9 8f 7b da 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000b36efe8 EFLAGS: 00010246 RAX: ffffffff8883f447 RBX: ffff8880118c53d8 RCX: 0000000000100000 RDX: ffffc90021492000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: 0000000000000000 R08: ffffc9000b36ed47 R09: 1ffff9200166dda8 R10: dffffc0000000000 R11: ffffffff88822ff0 R12: ffff8880118c50e8 R13: dffffc0000000000 R14: ffffffff88822ff0 R15: dffffc0000000000 FS: 00007f23d56636c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23c8ca1000 CR3: 0000000011b63000 CR4: 0000000000352ef0 Call Trace: rxe_dealloc+0x27/0xc0 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x54/0x200 drivers/infiniband/core/device.c:693 rxe_net_add+0xa1/0x110 drivers/infiniband/sw/rxe/rxe_net.c:588 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x4a5/0x5a0 drivers/infiniband/core/nldev.c:1797 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6ae/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x820 net/socket.c:2592 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f23d478f7c9 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:00007f23d5663038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f23d49e5fa0 RCX: 00007f23d478f7c9 RDX: 0000000000000810 RSI: 0000200000000240 RDI: 0000000000000008 RBP: 00007f23d4813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f23d49e6038 R14: 00007f23d49e5fa0 R15: 00007ffe0f757d98