------------[ 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#1: syz.2.492/7623 Modules linked in: CPU: 1 UID: 0 PID: 7623 Comm: syz.2.492 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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 74 72 76 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:ffffc90002d87768 EFLAGS: 00010202 RAX: 0000000000000202 RBX: ffffffff92058e40 RCX: ffffffff81e74723 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9248de50 RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff240b1c8 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888022bd1800 R15: ffffffff92060a60 FS: 0000000000000000(0000) GS:ffff88809584a000(0063) knlGS:00000000f53b6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000080000080 CR3: 0000000072958000 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_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf739efec Code: Unable to access opcode bytes at 0xf739efc2. RSP: 002b:00000000f53b650c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000800000c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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 74 72 76 06 lea 0x6767274(%rip),%rdi # 0x676729e * 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