kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8435 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3428 [inline] RIP: 0010:rdma_listen+0x2dc/0x970 drivers/infiniband/core/cma.c:3542 Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 0e 62 89 e8 e9 2b 15 02 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d6 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff88805ee6fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000008 RBP: ffff88805ee6fc58 R08: 1ffffffff12c41c8 R09: fffffbfff12c41c9 R10: ffff88805ee6fc10 R11: ffffffff89620e43 R12: ffff888064575740 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5d22b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000e9c768 CR3: 000000008ccf7000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1092 ucma_write+0x2d7/0x3c0 drivers/infiniband/core/ucma.c:1684 __vfs_write+0x8a/0x110 fs/read_write.c:494 vfs_write+0x268/0x5d0 fs/read_write.c:558 ksys_write+0x220/0x290 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __ia32_sys_write+0x71/0xb0 fs/read_write.c:620 do_syscall_32_irqs_on arch/x86/entry/common.c:332 [inline] do_fast_syscall_32+0x27b/0xdb3 arch/x86/entry/common.c:403 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f89a29 Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5d220cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace d34448b1f71135b3 ]--- RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3428 [inline] RIP: 0010:rdma_listen+0x2dc/0x970 drivers/infiniband/core/cma.c:3542 Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 0e 62 89 e8 e9 2b 15 02 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d6 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff88805ee6fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000008 RBP: ffff88805ee6fc58 R08: 1ffffffff12c41c8 R09: fffffbfff12c41c9 R10: ffff88805ee6fc10 R11: ffffffff89620e43 R12: ffff888064575740 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5d22b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5d01db0 CR3: 000000008ccf7000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400