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:550 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+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: 0033:0x7f3315f8ebe9 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:00007f3316e59038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f33161b5fa0 RCX: 00007f3315f8ebe9 RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000006 RBP: 00007f3316011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f33161b6038 R14: 00007f33161b5fa0 R15: 00007ffcf29f7ae8 Mem-Info: active_anon:3031 inactive_anon:3054 isolated_anon:0 active_file:196 inactive_file:39129 isolated_file:0 unevictable:1768 dirty:22 writeback:0 slab_reclaimable:7487 slab_unreclaimable:31461 mapped:10088 shmem:5064 pagetables:686 sec_pagetables:289 bounce:0 kernel_misc_reclaimable:0 free:32735 free_pcp:0 free_cma:0 Node 0 active_anon:96kB inactive_anon:11988kB active_file:596kB inactive_file:1024kB unevictable:1124kB isolated(anon):0kB isolated(file):0kB mapped:1380kB dirty:20kB writeback:0kB shmem:12196kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3056kB pagetables:660kB sec_pagetables:1092kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:2288kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:4kB inactive_anon:1608kB active_file:4kB inactive_file:16kB unevictable:456kB 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:4856kB boost:8192kB min:12944kB low:14132kB high:15320kB reserved_highatomic:0KB free_highatomic:0KB active_anon:92kB inactive_anon:10380kB active_file:592kB inactive_file:1008kB unevictable:668kB writepending:20kB present:770052kB managed:122236kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 8*4kB (UM) 16*8kB (UM) 9*16kB (UM) 36*32kB (U) 13*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2288kB Node 0 DMA32: 32*4kB (UM) 57*8kB (UM) 39*16kB (UM) 22*32kB (UME) 10*64kB (M) 4*128kB (ME) 3*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 4856kB 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 44439 total pagecache pages 6 pages in swap cache Free swap = 119880kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 185981 pages reserved 0 pages cma reserved smc: removing ib device syz1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5352 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: 5352 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-12288-g2b38afce25c4 #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 a0 0c 77 f9 48 83 3b 00 75 0c e8 d5 20 12 f9 5b e9 4f 71 d0 02 cc e8 c9 20 12 f9 90 <0f> 0b 90 5b e9 3f 71 d0 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000d486fe8 EFLAGS: 00010246 RAX: ffffffff88ad9a97 RBX: ffff888032d1d3d8 RCX: 0000000000100000 RDX: ffffc9000e282000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: 0000000000000000 R08: ffffc9000d486d47 R09: 1ffff92001a90da8 R10: dffffc0000000000 R11: ffffffff88abd7b0 R12: ffff888032d1d0e8 R13: dffffc0000000000 R14: ffffffff88abd7b0 R15: dffffc0000000000 FS: 00007f3316e596c0(0000) GS:ffff88808d211000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6ff933a250 CR3: 0000000042b42000 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:552 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+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: 0033:0x7f3315f8ebe9 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:00007f3316e59038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f33161b5fa0 RCX: 00007f3315f8ebe9 RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000006 RBP: 00007f3316011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f33161b6038 R14: 00007f33161b5fa0 R15: 00007ffcf29f7ae8