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+0x4a2/0x5a0 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+0x82c/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: 0033:0x7f8ea138ec29 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:00007f8ea22b1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8ea15d5fa0 RCX: 00007f8ea138ec29 RDX: 0000000020000000 RSI: 0000200000000880 RDI: 0000000000000008 RBP: 00007f8ea1411e41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8ea15d6038 R14: 00007f8ea15d5fa0 R15: 00007ffefca25a88 Mem-Info: active_anon:3120 inactive_anon:594 isolated_anon:0 active_file:476 inactive_file:38788 isolated_file:0 unevictable:1768 dirty:7 writeback:0 slab_reclaimable:7560 slab_unreclaimable:31354 mapped:9886 shmem:2929 pagetables:699 sec_pagetables:290 bounce:0 kernel_misc_reclaimable:0 free:34917 free_pcp:4 free_cma:0 Node 0 active_anon:420kB inactive_anon:2116kB active_file:1408kB inactive_file:484kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1016kB dirty:8kB writeback:0kB shmem:2592kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3440kB pagetables:752kB sec_pagetables:1116kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:1528kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:4kB active_file:0kB inactive_file:0kB 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:10232kB boost:4096kB min:8732kB low:9888kB high:11044kB reserved_highatomic:0KB free_highatomic:0KB active_anon:420kB inactive_anon:2112kB active_file:1408kB inactive_file:484kB unevictable:0kB writepending:8kB present:770052kB managed:121912kB mlocked:0kB bounce:0kB free_pcp:16kB local_pcp:16kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 27*4kB (U) 1*8kB (U) 0*16kB 20*32kB (U) 6*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1524kB Node 0 DMA32: 14*4kB (ME) 14*8kB (UME) 35*16kB (UME) 131*32kB (UME) 67*64kB (UME) 8*128kB (UME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 10232kB 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 42249 total pagecache pages 46 pages in swap cache Free swap = 110348kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 186062 pages reserved 0 pages cma reserved smc: removing ib device syz1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5358 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: 5358 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 d0 3e 76 f9 48 83 3b 00 75 0c e8 c5 42 11 f9 5b c3 cc cc cc cc cc e8 b9 42 11 f9 90 <0f> 0b 90 5b e9 8f b1 d0 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000d3b6fe8 EFLAGS: 00010246 RAX: ffffffff88ae7a87 RBX: ffff8880376293d8 RCX: 0000000000100000 RDX: ffffc9000e342000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: 0000000000000000 R08: ffffc9000d3b6d47 R09: 1ffff92001a76da8 R10: dffffc0000000000 R11: ffffffff88acb7a0 R12: ffff8880376290e8 R13: dffffc0000000000 R14: ffffffff88acb7a0 R15: dffffc0000000000 FS: 00007f8ea22b16c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8ea228efb8 CR3: 00000000432e2000 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:539 rxe_newlink+0xdd/0x190 drivers/infiniband/sw/rxe/rxe.c:234 nldev_newlink+0x4a2/0x5a0 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+0x82c/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: 0033:0x7f8ea138ec29 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:00007f8ea22b1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8ea15d5fa0 RCX: 00007f8ea138ec29 RDX: 0000000020000000 RSI: 0000200000000880 RDI: 0000000000000008 RBP: 00007f8ea1411e41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8ea15d6038 R14: 00007f8ea15d5fa0 R15: 00007ffefca25a88