rxe_register_device+0x1ef/0x310 drivers/infiniband/sw/rxe/rxe_verbs.c:1556 rxe_net_add+0x81/0x110 drivers/infiniband/sw/rxe/rxe_net.c:537 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:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efe96d8eba9 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:00007efe97bbe038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007efe96fd5fa0 RCX: 00007efe96d8eba9 RDX: 0000000000000810 RSI: 0000200000000240 RDI: 0000000000000006 RBP: 00007efe96e11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efe96fd6038 R14: 00007efe96fd5fa0 R15: 00007fffd2000628 Mem-Info: active_anon:3025 inactive_anon:2048 isolated_anon:0 active_file:2 inactive_file:39862 isolated_file:0 unevictable:1768 dirty:1089 writeback:0 slab_reclaimable:7512 slab_unreclaimable:31953 mapped:10419 shmem:2247 pagetables:684 sec_pagetables:290 bounce:0 kernel_misc_reclaimable:0 free:32960 free_pcp:0 free_cma:0 Node 0 active_anon:508kB inactive_anon:8192kB active_file:0kB inactive_file:4508kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:2984kB dirty:20kB writeback:0kB shmem:36kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2768kB pagetables:572kB sec_pagetables:1092kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:2820kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:192kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 119 119 119 119 Node 0 DMA32 free:6096kB boost:10692kB min:15444kB low:16632kB high:17820kB reserved_highatomic:0KB free_highatomic:0KB active_anon:500kB inactive_anon:8192kB active_file:0kB inactive_file:4316kB unevictable:0kB writepending:20kB present:770052kB managed:122172kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 31*4kB (UE) 5*8kB (UE) 10*16kB (UE) 44*32kB (UE) 15*64kB (UE) 1*128kB (E) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2820kB Node 0 DMA32: 26*4kB (U) 11*8kB (UM) 3*16kB (UM) 93*32kB (UM) 27*64kB (U) 9*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6096kB 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 42109 total pagecache pages 0 pages in swap cache Free swap = 124996kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 185997 pages reserved 0 pages cma reserved smc: removing ib device sz1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5355 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Modules linked in: CPU: 0 UID: 0 PID: 5355 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 70 7a 76 f9 48 83 3b 00 75 0c e8 45 8a 11 f9 5b e9 8f c7 d0 02 cc e8 39 8a 11 f9 90 <0f> 0b 90 5b e9 7f c7 d0 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000d3a6fe8 EFLAGS: 00010246 RAX: ffffffff88ae3457 RBX: ffff888052efd3d8 RCX: 0000000000100000 RDX: ffffc9000dd72000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: 0000000000000000 R08: ffffc9000d3a6d47 R09: 1ffff92001a74da8 R10: dffffc0000000000 R11: ffffffff88ac7170 R12: ffff888052efd0e8 R13: dffffc0000000000 R14: ffffffff88ac7170 R15: dffffc0000000000 FS: 00007efe97bbe6c0(0000) GS:ffff88808d20c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdb96c7190 CR3: 0000000042b32000 CR4: 0000000000352ef0 Call Trace: rxe_dealloc+0x27/0xc0 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x51/0x200 drivers/infiniband/core/device.c:693 rxe_net_add+0xa1/0x110 drivers/infiniband/sw/rxe/rxe_net.c:539 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:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efe96d8eba9 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:00007efe97bbe038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007efe96fd5fa0 RCX: 00007efe96d8eba9 RDX: 0000000000000810 RSI: 0000200000000240 RDI: 0000000000000006 RBP: 00007efe96e11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efe96fd6038 R14: 00007efe96fd5fa0 R15: 00007fffd2000628