program: setns(0xc9, 0x0) r0 = socket$rds(0x15, 0x5, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'bridge_slave_1\x00'}) (async) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="440000001000090400"/20, @ANYRES32=r3, @ANYBLOB="020000000000000024001280110001006272696467655f736c617665000000000c00058005002b"], 0x44}, 0x1, 0x0, 0x0, 0x4801}, 0x0) sendmsg$IPCTNL_MSG_CT_GET(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="b8000000"], 0xb8}}, 0x0) sendmmsg(r1, &(0x7f00000003c0), 0x40000000000009f, 0x0) bind$rds(r0, &(0x7f0000000240)={0x2, 0x4e21, @local}, 0x10) (async) bind$rds(r0, &(0x7f0000000240)={0x2, 0x4e21, @local}, 0x10) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000), &(0x7f0000000040)=0x14) sendmsg$rds(r0, &(0x7f0000000280)={&(0x7f00000002c0)={0x2, 0x4e21, @private=0xa010102}, 0x10, 0x0, 0x0, &(0x7f0000000340)=[@rdma_map={0x30, 0x114, 0x3, {{&(0x7f0000001b40)=""/221, 0xdd}, 0x0, 0x2}}], 0x30, 0x40}, 0x0) (async) sendmsg$rds(r0, &(0x7f0000000280)={&(0x7f00000002c0)={0x2, 0x4e21, @private=0xa010102}, 0x10, 0x0, 0x0, &(0x7f0000000340)=[@rdma_map={0x30, 0x114, 0x3, {{&(0x7f0000001b40)=""/221, 0xdd}, 0x0, 0x2}}], 0x30, 0x40}, 0x0) [ 85.430941][ T5278] Bluetooth: hci0: command tx timeout [ 85.711122][ T5329] Zero length message leads to an empty skb [ 85.850265][ T5329] ------------[ cut here ]------------ [ 85.850278][ T5329] raw_local_irq_restore() called with IRQs enabled [ 85.850298][ T5329] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#0: syz.0.0/5329 [ 85.861297][ T5329] Modules linked in: [ 85.863526][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.868644][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.873582][ T5329] RIP: 0010:warn_bogus_irq_restore+0xc/0x20 [ 85.876460][ T5329] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 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 0a 93 05 <67> 48 0f b9 3a 90 e9 09 05 03 00 cc cc cc cc cc cc cc cc cc 90 90 [ 85.884564][ T5329] RSP: 0018:ffffc9000f68f620 EFLAGS: 00010206 [ 85.887423][ T5329] RAX: 0000000000000202 RBX: 0000000000000287 RCX: 0000000000000000 [ 85.890644][ T5329] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff917dd080 [ 85.893839][ T5329] RBP: ffffc9000f68f7a0 R08: ffffffff914a1263 R09: 1ffffffff229424c [ 85.897528][ T5329] R10: dffffc0000000000 R11: fffffbfff229424d R12: ffffffff8b2ad755 [ 85.901031][ T5329] R13: ffff8880131fd458 R14: ffffffff914a1260 R15: 0000000000000287 [ 85.904215][ T5329] FS: 00007f6fb7a1d6c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 85.908102][ T5329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.911036][ T5329] CR2: 000055d292f94660 CR3: 0000000044f0d000 CR4: 0000000000352ef0 [ 85.914434][ T5329] Call Trace: [ 85.916380][ T5329] [ 85.917583][ T5329] _raw_spin_unlock_irqrestore+0x67/0x80 [ 85.919785][ T5329] __rds_conn_create+0x1de5/0x2290 [ 85.921863][ T5329] ? __rds_conn_create+0x2d5/0x2290 [ 85.924045][ T5329] ? __pfx___rds_conn_create+0x10/0x10 [ 85.926647][ T5329] ? trace_kmalloc+0x2a/0xf0 [ 85.928685][ T5329] ? __raw_spin_lock_init+0x45/0x100 [ 85.930802][ T5329] rds_conn_create_outgoing+0x43/0x60 [ 85.932871][ T5329] rds_sendmsg+0xfca/0x20e0 [ 85.934801][ T5329] ? __pfx_rds_sendmsg+0x10/0x10 [ 85.937241][ T5329] ? lock_acquire+0x115/0x350 [ 85.939169][ T5329] ? __pfx_aa_sk_perm+0x10/0x10 [ 85.941259][ T5329] ? aa_sock_msg_perm+0x144/0x210 [ 85.943456][ T5329] ? apparmor_socket_sendmsg+0x98/0x360 [ 85.945908][ T5329] ? __pfx_rds_sendmsg+0x10/0x10 [ 85.947982][ T5329] sock_sendmsg_nosec+0x13a/0x180 [ 85.950066][ T5329] ____sys_sendmsg+0x54e/0x850 [ 85.952086][ T5329] ? __pfx_____sys_sendmsg+0x10/0x10 [ 85.954223][ T5329] ? import_iovec+0x73/0xa0 [ 85.956228][ T5329] ___sys_sendmsg+0x2a5/0x360 [ 85.958213][ T5329] ? __lock_acquire+0x747/0x2de0 [ 85.960263][ T5329] ? __pfx____sys_sendmsg+0x10/0x10 [ 85.962537][ T5329] ? futex_wake+0x51b/0x5f0 [ 85.964531][ T5329] ? __fget_files+0x2a/0x420 [ 85.966466][ T5329] ? __fget_files+0x3a2/0x420 [ 85.968574][ T5329] __x64_sys_sendmsg+0x1b1/0x290 [ 85.970503][ T5329] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 85.972609][ T5329] do_syscall_64+0x166/0x520 [ 85.974467][ T5329] ? trace_irq_disable+0x3b/0x140 [ 85.976792][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.979147][ T5329] ? clear_bhb_loop+0x70/0xc0 [ 85.981073][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.983395][ T5329] RIP: 0033:0x7f6fb6b9e559 [ 85.985292][ T5329] 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 [ 85.993176][ T5329] RSP: 002b:00007f6fb7a1cfe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.996626][ T5329] RAX: ffffffffffffffda RBX: 00007f6fb6e26180 RCX: 00007f6fb6b9e559 [ 85.999668][ T5329] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003 [ 86.003014][ T5329] RBP: 00007f6fb6c35ad8 R08: 0000000000000000 R09: 0000000000000000 [ 86.006432][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.009886][ T5329] R13: 00007f6fb6e26218 R14: 00007f6fb6e26180 R15: 00007ffcb88b8a48 [ 86.012835][ T5329] [ 86.014177][ T5329] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 86.017422][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.020853][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 86.024964][ T5329] Call Trace: [ 86.026299][ T5329] [ 86.027558][ T5329] vpanic+0x56d/0xa60 [ 86.030493][ T5329] ? __pfx__printk+0x10/0x10 [ 86.032361][ T5329] ? __pfx_vpanic+0x10/0x10 [ 86.034389][ T5329] ? is_bpf_text_address+0x292/0x2b0 [ 86.036658][ T5329] ? is_bpf_text_address+0x26/0x2b0 [ 86.038975][ T5329] panic+0xc5/0xd0 [ 86.040635][ T5329] ? __pfx_panic+0x10/0x10 [ 86.042650][ T5329] __warn+0x315/0x4c0 [ 86.044400][ T5329] ? warn_bogus_irq_restore+0xc/0x20 [ 86.046686][ T5329] ? warn_bogus_irq_restore+0xc/0x20 [ 86.048950][ T5329] __report_bug+0x276/0x570 [ 86.051074][ T5329] ? rds_sendmsg+0xfca/0x20e0 [ 86.053211][ T5329] ? sock_sendmsg_nosec+0x13a/0x180 [ 86.055570][ T5329] ? ____sys_sendmsg+0x54e/0x850 [ 86.057814][ T5329] ? warn_bogus_irq_restore+0xc/0x20 [ 86.060142][ T5329] ? __pfx___report_bug+0x10/0x10 [ 86.062294][ T5329] report_bug_entry+0x19b/0x290 [ 86.064421][ T5329] ? warn_bogus_irq_restore+0xc/0x20 [ 86.066717][ T5329] ? warn_bogus_irq_restore+0x11/0x20 [ 86.069040][ T5329] handle_bug+0xce/0x200 [ 86.070864][ T5329] exc_invalid_op+0x1a/0x50 [ 86.072869][ T5329] asm_exc_invalid_op+0x1a/0x20 [ 86.074942][ T5329] RIP: 0010:warn_bogus_irq_restore+0xc/0x20 [ 86.077376][ T5329] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 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 0a 93 05 <67> 48 0f b9 3a 90 e9 09 05 03 00 cc cc cc cc cc cc cc cc cc 90 90 [ 86.085348][ T5329] RSP: 0018:ffffc9000f68f620 EFLAGS: 00010206 [ 86.087974][ T5329] RAX: 0000000000000202 RBX: 0000000000000287 RCX: 0000000000000000 [ 86.091273][ T5329] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff917dd080 [ 86.094596][ T5329] RBP: ffffc9000f68f7a0 R08: ffffffff914a1263 R09: 1ffffffff229424c [ 86.097964][ T5329] R10: dffffc0000000000 R11: fffffbfff229424d R12: ffffffff8b2ad755 [ 86.101317][ T5329] R13: ffff8880131fd458 R14: ffffffff914a1260 R15: 0000000000000287 [ 86.104842][ T5329] ? __rds_conn_create+0x2d5/0x2290 [ 86.107154][ T5329] _raw_spin_unlock_irqrestore+0x67/0x80 [ 86.109632][ T5329] __rds_conn_create+0x1de5/0x2290 [ 86.111811][ T5329] ? __rds_conn_create+0x2d5/0x2290 [ 86.117458][ T5329] ? __pfx___rds_conn_create+0x10/0x10 [ 86.120104][ T5329] ? trace_kmalloc+0x2a/0xf0 [ 86.122270][ T5329] ? __raw_spin_lock_init+0x45/0x100 [ 86.124635][ T5329] rds_conn_create_outgoing+0x43/0x60 [ 86.126977][ T5329] rds_sendmsg+0xfca/0x20e0 [ 86.128935][ T5329] ? __pfx_rds_sendmsg+0x10/0x10 [ 86.130910][ T5329] ? lock_acquire+0x115/0x350 [ 86.132629][ T5329] ? __pfx_aa_sk_perm+0x10/0x10 [ 86.134718][ T5329] ? aa_sock_msg_perm+0x144/0x210 [ 86.136834][ T5329] ? apparmor_socket_sendmsg+0x98/0x360 [ 86.139028][ T5329] ? __pfx_rds_sendmsg+0x10/0x10 [ 86.140955][ T5329] sock_sendmsg_nosec+0x13a/0x180 [ 86.143108][ T5329] ____sys_sendmsg+0x54e/0x850 [ 86.145037][ T5329] ? __pfx_____sys_sendmsg+0x10/0x10 [ 86.146852][ T5329] ? import_iovec+0x73/0xa0 [ 86.148493][ T5329] ___sys_sendmsg+0x2a5/0x360 [ 86.150135][ T5329] ? __lock_acquire+0x747/0x2de0 [ 86.151844][ T5329] ? __pfx____sys_sendmsg+0x10/0x10 [ 86.153715][ T5329] ? futex_wake+0x51b/0x5f0 [ 86.155283][ T5329] ? __fget_files+0x2a/0x420 [ 86.156866][ T5329] ? __fget_files+0x3a2/0x420 [ 86.158500][ T5329] __x64_sys_sendmsg+0x1b1/0x290 [ 86.160190][ T5329] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 86.162342][ T5329] do_syscall_64+0x166/0x520 [ 86.164354][ T5329] ? trace_irq_disable+0x3b/0x140 [ 86.166206][ T5329] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.168402][ T5329] ? clear_bhb_loop+0x70/0xc0 [ 86.170381][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.172625][ T5329] RIP: 0033:0x7f6fb6b9e559 [ 86.174464][ T5329] 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 [ 86.182042][ T5329] RSP: 002b:00007f6fb7a1cfe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.185464][ T5329] RAX: ffffffffffffffda RBX: 00007f6fb6e26180 RCX: 00007f6fb6b9e559 [ 86.188653][ T5329] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003 [ 86.191839][ T5329] RBP: 00007f6fb6c35ad8 R08: 0000000000000000 R09: 0000000000000000 [ 86.197479][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.200794][ T5329] R13: 00007f6fb6e26218 R14: 00007f6fb6e26180 R15: 00007ffcb88b8a48 [ 86.204174][ T5329] [ 86.205936][ T5329] Kernel Offset: disabled [ 86.207656][ T5329] Rebooting in 86400 seconds..