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:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x830 net/socket.c:2630 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f23fd18f6c9 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:00007f23fdf5b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f23fd3e5fa0 RCX: 00007f23fd18f6c9 RDX: 0000000000004000 RSI: 0000200000000240 RDI: 0000000000000007 RBP: 00007f23fd211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f23fd3e6038 R14: 00007f23fd3e5fa0 R15: 00007ffd2abd69d8 Mem-Info: active_anon:3194 inactive_anon:76 isolated_anon:0 active_file:1053 inactive_file:38494 isolated_file:0 unevictable:1768 dirty:0 writeback:0 slab_reclaimable:6935 slab_unreclaimable:31107 mapped:10552 shmem:2257 pagetables:703 sec_pagetables:290 bounce:0 kernel_misc_reclaimable:0 free:36466 free_pcp:38 free_cma:0 Node 0 active_anon:4kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:1244kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1244kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3184kB pagetables:896kB sec_pagetables:1100kB all_unreclaimable? yes Balloon:0kB Node 0 DMA free:1256kB boost:0kB min:760kB low:948kB high:1136kB reserved_highatomic:0KB free_highatomic:0KB active_anon:4kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:268kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 125 125 125 125 Node 0 DMA32 free:2716kB boost:11200kB min:16180kB low:17424kB high:18668kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:976kB writepending:0kB zspages:0kB present:770052kB managed:128380kB mlocked:0kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 4*4kB (UE) 1*8kB (U) 3*16kB (UE) 3*32kB (E) 7*64kB (UE) 5*128kB (UE) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1256kB Node 0 DMA32: 1*4kB (M) 1*8kB (E) 1*16kB (E) 2*32kB (ME) 1*64kB (U) 2*128kB (ME) 3*256kB (UE) 3*512kB (UE) 0*1024kB 0*2048kB 0*4096kB = 2716kB 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 41926 total pagecache pages 115 pages in swap cache Free swap = 107052kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 184445 pages reserved 0 pages cma reserved smc: removing ib device syz1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5325 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: 5325 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 24 b2 f9 48 83 3b 00 75 0c e8 b5 e4 4a f9 5b c3 cc cc cc cc cc e8 a9 e4 4a f9 90 <0f> 0b 90 5b e9 0f 03 d6 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000fc86fe8 EFLAGS: 00010202 RAX: ffffffff88753187 RBX: ffff88803f5fd3d8 RCX: ffff8880009ca480 RDX: 0000000000000003 RSI: 00000000fffffff4 RDI: ffff88803f5fd358 RBP: 0000000000000000 R08: 000000000003ffff R09: 0000000000800000 R10: 0000000000800008 R11: ffffffff88736ea0 R12: ffff88803f5fd0e8 R13: dffffc0000000000 R14: ffffffff88736ea0 R15: dffffc0000000000 FS: 00007f23fdf5b6c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b28ec5b1a8 CR3: 0000000041821000 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+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:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x830 net/socket.c:2630 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f23fd18f6c9 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:00007f23fdf5b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f23fd3e5fa0 RCX: 00007f23fd18f6c9 RDX: 0000000000004000 RSI: 0000200000000240 RDI: 0000000000000007 RBP: 00007f23fd211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f23fd3e6038 R14: 00007f23fd3e5fa0 R15: 00007ffd2abd69d8