------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10, CPU#2: syz.6.457/7750 Modules linked in: CPU: 2 UID: 0 PID: 7750 Comm: syz.6.457 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10 Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 48 8d 3d c4 43 74 06 <67> 48 0f b9 3a 90 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000527f788 EFLAGS: 00010202 RAX: 0000000000000202 RBX: ffffffff92055e40 RCX: ffffffff81e7de63 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9248afa0 RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff240abc8 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88802d6ab000 R15: ffffffff9205da60 FS: 00007f8721a136c0(0000) GS:ffff8880d4b46000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001040 CR3: 0000000063140000 CR4: 0000000000352ef0 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:221 spin_unlock_irqrestore include/linux/spinlock.h:425 [inline] __rds_conn_create+0x18f8/0x2650 net/rds/connection.c:364 rds_conn_create_outgoing+0x44/0x60 net/rds/connection.c:394 rds_sendmsg+0x10da/0x34d0 net/rds/send.c:1348 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767 __sys_sendmsg+0x160/0x210 net/socket.c:2799 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8720b9e559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8721a13028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8720e26090 RCX: 00007f8720b9e559 RDX: 0000000000000000 RSI: 0000200000001100 RDI: 0000000000000007 RBP: 00007f8720c35ab8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8720e26128 R14: 00007f8720e26090 R15: 00007ffed1fa2778 ---------------- Code disassembly (best guess): 0: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 7: 00 00 00 a: 0f 1f 40 00 nopl 0x0(%rax) e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: f3 0f 1e fa endbr64 22: 90 nop 23: 48 8d 3d c4 43 74 06 lea 0x67443c4(%rip),%rdi # 0x67443ee * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 90 nop 30: c3 ret 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3c: 00 00 3e: 90 nop 3f: 90 nop