program: r0 = fsopen(&(0x7f00000003c0)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f00000041c0)={0x14, 0x26, 0x1, 0xf0bd26, 0x25dfdbfc, {0x7}}, 0x14}, 0x1, 0x0, 0x0, 0x4000d}, 0x20048000) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000080)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r4}, @IFLA_ALT_IFNAME={0x14, 0x35, 'dummy0\x00'}]}, 0x3c}}, 0x0) r5 = socket$pppl2tp(0x18, 0x1, 0x1) ioctl$SIOCSIFMTU(r5, 0x8922, &(0x7f0000000080)={'dummy0\x00'}) r6 = socket$kcm(0x10, 0x2, 0x10) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a03000000000000000000070000040900010073797a30000000009c000000090a010400000000000000000700000308000a40000000000900020073797a30000000000900010073797a3000000000080005400000000d58001280200001800e000100636f6e6e6c696d69740000000c0002800800014000000008200001800e000100636f6e6e6c696d69740000000c000280080001400000000014000180090001006cdbf80789f3f947dd000280080003"], 0xe4}, 0x1, 0x0, 0x0, 0x40004}, 0x20050840) sendmsg$kcm(r6, &(0x7f0000000000)={0x0, 0xd18c9b25, &(0x7f0000000080)=[{&(0x7f0000000040)="e03f030041000b05d25a806c8c6394f90324fc60100000000a000200053582c137153e3704020180fc5409000c00", 0x33fe0}], 0x1}, 0x0) r7 = fsmount(r0, 0x0, 0x0) r8 = openat$cgroup_pressure(r7, &(0x7f0000001840)='cpu.pressure\x00', 0x2, 0x0) write$cgroup_pressure(r8, &(0x7f0000000100)={'full', 0x20, 0x1, 0x20, 0x401}, 0x2f) io_setup(0x5, &(0x7f0000000480)=0x0) io_submit(r9, 0x1, &(0x7f0000000780)=[&(0x7f00000005c0)={0x0, 0x0, 0x0, 0x1, 0x0, r8, &(0x7f00000004c0)=')', 0x1}]) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x9}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r10 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r10, &(0x7f00000001c0)={0x18, 0x0, {0x3, @broadcast, 'macvlan1\x00'}}, 0x1e) sendmmsg(r10, &(0x7f0000001700)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) set_mempolicy(0x2, &(0x7f0000000140)=0x8001, 0x2) r11 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r11, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x38, 0x1403, 0x1, 0x70bd2b, 0x7, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'ipvlan1\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x44000}, 0x0) [ 134.989616][ T4670] Bluetooth: hci0: command tx timeout [ 135.091599][ T5332] batman_adv: batadv0: Adding interface: dummy0 [ 135.094502][ T5332] batman_adv: batadv0: The MTU of interface dummy0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 135.114632][ T5332] batman_adv: batadv0: Interface activated: dummy0 [ 135.126943][ T5332] batadv0: mtu less than device minimum [ 135.131438][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.136726][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.142628][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.147938][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.153347][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.158669][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.163674][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.168653][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.173791][ T5332] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-320) [ 135.189557][ T5333] netlink: 212304 bytes leftover after parsing attributes in process `syz.0.0'. [ 135.321670][ T5333] infiniband syz1: set down [ 135.323862][ T5333] infiniband syz1: added ipvlan1 [ 135.415088][ T5333] RDS/IB: syz1: added [ 135.417306][ T5333] smc: adding ib device syz1 with port count 1 [ 135.420616][ T5333] smc: ib device syz1 port 1 has no pnetid [ 135.481236][ T5333] syz.0.0: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_ZERO|__GFP_COMP), nodemask=0,cpuset=/,mems_allowed=0-1 [ 135.487194][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 135.487213][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 135.487220][ T5333] Call Trace: [ 135.487227][ T5333] [ 135.487234][ T5333] dump_stack_lvl+0xe8/0x150 [ 135.487372][ T5333] warn_alloc+0x249/0x340 [ 135.487396][ T5333] ? __pfx_warn_alloc+0x10/0x10 [ 135.487418][ T5333] ? __pfx___alloc_pages_direct_reclaim+0x10/0x10 [ 135.487435][ T5333] ? wake_all_kswapds+0x1e9/0x280 [ 135.487453][ T5333] __alloc_pages_slowpath+0xcb5/0xd40 [ 135.487477][ T5333] __alloc_frozen_pages_noprof+0x322/0x380 [ 135.487492][ T5333] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 135.487507][ T5333] ? __pfx_policy_nodemask+0x10/0x10 [ 135.487519][ T5333] ? internal_create_group+0xfaa/0x1180 [ 135.487539][ T5333] alloc_pages_mpol+0x232/0x4a0 [ 135.487555][ T5333] ___kmalloc_large_node+0x4e/0x150 [ 135.487574][ T5333] __kmalloc_large_node_noprof+0x18/0x90 [ 135.487593][ T5333] __kmalloc_noprof+0x4b8/0x7e0 [ 135.487609][ T5333] ? ib_setup_port_attrs+0xf21/0x2140 [ 135.487683][ T5333] ib_setup_port_attrs+0xf21/0x2140 [ 135.487720][ T5333] ? __pfx_ib_setup_port_attrs+0x10/0x10 [ 135.487739][ T5333] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 135.487753][ T5333] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 135.487941][ T5333] ? device_add+0x70b/0xb70 [ 135.487963][ T5333] add_one_compat_dev+0x448/0x650 [ 135.487984][ T5333] enable_device_and_get+0x2b3/0x3e0 [ 135.487999][ T5333] ? __pfx_enable_device_and_get+0x10/0x10 [ 135.488018][ T5333] ? device_add+0x70b/0xb70 [ 135.488038][ T5333] ib_register_device+0x110f/0x13e0 [ 135.488059][ T5333] ? __pfx_ib_register_device+0x10/0x10 [ 135.488075][ T5333] ? xas_start+0x3d4/0x770 [ 135.488095][ T5333] ? xa_load+0x60/0x210 [ 135.488106][ T5333] ? xa_load+0x60/0x210 [ 135.488117][ T5333] ? xa_load+0x60/0x210 [ 135.488128][ T5333] ? xa_load+0x1db/0x210 [ 135.488143][ T5333] ? ib_device_set_netdev+0x5c9/0x6d0 [ 135.488164][ T5333] rxe_register_device+0x1e3/0x350 [ 135.488184][ T5333] rxe_net_add+0x81/0x110 [ 135.488204][ T5333] rxe_newlink+0xdd/0x190 [ 135.488221][ T5333] nldev_newlink+0x5bd/0x650 [ 135.488237][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 135.488321][ T5333] ? bpf_lsm_capable+0x9/0x20 [ 135.488338][ T5333] ? security_capable+0x7e/0x2c0 [ 135.488355][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 135.488369][ T5333] rdma_nl_rcv+0x6d7/0xa10 [ 135.488390][ T5333] ? __pfx_rdma_nl_rcv+0x10/0x10 [ 135.488418][ T5333] ? netlink_deliver_tap+0x2e/0x1b0 [ 135.488512][ T5333] netlink_unicast+0x80f/0x9b0 [ 135.488535][ T5333] ? __pfx_netlink_unicast+0x10/0x10 [ 135.488549][ T5333] ? __alloc_skb+0x193/0x390 [ 135.488581][ T5333] ? netlink_sendmsg+0x650/0xb40 [ 135.488591][ T5333] ? skb_put+0x11b/0x210 [ 135.488607][ T5333] netlink_sendmsg+0x813/0xb40 [ 135.488623][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 135.488637][ T5333] ? aa_sock_msg_perm+0xf1/0x1b0 [ 135.488653][ T5333] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 135.488673][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 135.488685][ T5333] ____sys_sendmsg+0xa68/0xad0 [ 135.488701][ T5333] ? __might_fault+0xaf/0x130 [ 135.488719][ T5333] ? __pfx_____sys_sendmsg+0x10/0x10 [ 135.488740][ T5333] ? import_iovec+0x73/0xa0 [ 135.488760][ T5333] ___sys_sendmsg+0x2a5/0x360 [ 135.488774][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 135.488802][ T5333] ? __pfx____sys_sendmsg+0x10/0x10 [ 135.488820][ T5333] ? futex_wait+0x29a/0x380 [ 135.488852][ T5333] ? __fget_files+0x2a/0x420 [ 135.488864][ T5333] ? __fget_files+0x3a0/0x420 [ 135.488882][ T5333] __x64_sys_sendmsg+0x1bd/0x2a0 [ 135.488900][ T5333] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 135.488918][ T5333] ? rcu_is_watching+0x15/0xb0 [ 135.488956][ T5333] do_syscall_64+0xe2/0xf80 [ 135.488970][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 135.488981][ T5333] ? trace_irq_disable+0x37/0x100 [ 135.488993][ T5333] ? clear_bhb_loop+0x60/0xb0 [ 135.489009][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 135.489021][ T5333] RIP: 0033:0x7f600c79aeb9 [ 135.489035][ T5333] 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 [ 135.489044][ T5333] RSP: 002b:00007f600d6a5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.489057][ T5333] RAX: ffffffffffffffda RBX: 00007f600ca16090 RCX: 00007f600c79aeb9 [ 135.489065][ T5333] RDX: 0000000000000000 RSI: 0000200000000140 RDI: 000000000000000c [ 135.489073][ T5333] RBP: 00007f600c808c1f R08: 0000000000000000 R09: 0000000000000000 [ 135.489082][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 135.489088][ T5333] R13: 00007f600ca16128 R14: 00007f600ca16090 R15: 00007ffef0e042a8 [ 135.489109][ T5333] [ 135.688993][ T5333] Mem-Info: [ 135.690445][ T5333] active_anon:3202 inactive_anon:246 isolated_anon:0 [ 135.690445][ T5333] active_file:252 inactive_file:38756 isolated_file:0 [ 135.690445][ T5333] unevictable:1768 dirty:1140 writeback:0 [ 135.690445][ T5333] slab_reclaimable:7304 slab_unreclaimable:30675 [ 135.690445][ T5333] mapped:10007 shmem:2247 pagetables:697 [ 135.690445][ T5333] sec_pagetables:288 bounce:0 [ 135.690445][ T5333] kernel_misc_reclaimable:0 [ 135.690445][ T5333] free:34305 free_pcp:0 free_cma:0 [ 135.709578][ T5333] Node 0 active_anon:376kB inactive_anon:984kB active_file:668kB inactive_file:1420kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:2016kB dirty:0kB writeback:0kB shmem:96kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3168kB pagetables:612kB sec_pagetables:1084kB all_unreclaimable? no Balloon:0kB [ 135.722378][ T5333] Node 0 DMA free:2024kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:116kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 135.735405][ T5333] lowmem_reserve[]: 0 115 115 115 115 [ 135.737696][ T5333] Node 0 DMA32 free:5240kB boost:6144kB min:10668kB low:11796kB high:12924kB reserved_highatomic:0KB free_highatomic:0KB active_anon:376kB inactive_anon:984kB active_file:668kB inactive_file:1304kB unevictable:0kB writepending:0kB zspages:0kB present:770052kB managed:118340kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 135.750706][ T5333] lowmem_reserve[]: 0 0 0 0 0 [ 135.752916][ T5333] Node 0 DMA: 6*4kB (UE) 10*8kB (UE) 8*16kB (UE) 20*32kB (UE) 4*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 2024kB [ 135.759970][ T5333] Node 0 DMA32: 59*4kB (M) 50*8kB (ME) 28*16kB (UME) 24*32kB (UME) 11*64kB (UM) 13*128kB (UME) 4*256kB (UME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5244kB [ 135.766788][ T5333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 135.771688][ T5333] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 135.775627][ T5333] 41255 total pagecache pages [ 135.777642][ T5333] 0 pages in swap cache [ 135.779481][ T5333] Free swap = 124996kB [ 135.781397][ T5333] Total swap = 124996kB [ 135.783137][ T5333] 393083 pages RAM [ 135.784717][ T5333] 0 pages HighMem/MovableOnly [ 135.786716][ T5333] 186955 pages reserved [ 135.788468][ T5333] 0 pages cma reserved [ 135.820034][ T5333] smc: removing ib device syz1 [ 135.961970][ T5333] ------------[ cut here ]------------ [ 135.964594][ T5333] !xa_empty(&pool->xa) [ 135.964604][ T5333] WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x48/0x60, CPU#0: syz.0.0/5333 [ 135.971592][ T5333] Modules linked in: [ 135.973438][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 135.978066][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 135.982892][ T5333] RIP: 0010:rxe_pool_cleanup+0x48/0x60 [ 135.985431][ T5333] Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 60 31 7c f9 48 83 3b 00 75 0c e8 c5 53 12 f9 5b c3 cc cc cc cc cc e8 b9 53 12 f9 90 <0f> 0b 90 5b c3 cc cc cc cc cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 [ 135.993922][ T5333] RSP: 0018:ffffc9000c36efe8 EFLAGS: 00010246 [ 135.996654][ T5333] RAX: ffffffff88b23337 RBX: ffff888012a7d3d8 RCX: 0000000000100000 [ 136.000225][ T5333] RDX: ffffc90021003000 RSI: 00000000000fffff RDI: 0000000000100000 [ 136.004406][ T5333] RBP: 0000000000000000 R08: ffffc9000c36ed47 R09: 1ffff9200186dda8 [ 136.007918][ T5333] R10: dffffc0000000000 R11: ffffffff88b06dd0 R12: ffff888012a7d0e8 [ 136.011754][ T5333] R13: dffffc0000000000 R14: ffffffff88b06dd0 R15: dffffc0000000000 [ 136.014978][ T5333] FS: 00007f600d6a56c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000 [ 136.019352][ T5333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.022742][ T5333] CR2: 00007f600c9e5558 CR3: 0000000043b59000 CR4: 0000000000352ef0 [ 136.026469][ T5333] Call Trace: [ 136.027641][ T5333] [ 136.028677][ T5333] rxe_dealloc+0x27/0xc0 [ 136.030296][ T5333] ? __pfx_rxe_dealloc+0x10/0x10 [ 136.032481][ T5333] ib_dealloc_device+0x54/0x200 [ 136.034637][ T5333] rxe_net_add+0xa1/0x110 [ 136.037083][ T5333] rxe_newlink+0xdd/0x190 [ 136.039591][ T5333] nldev_newlink+0x5bd/0x650 [ 136.042221][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 136.044558][ T5333] ? bpf_lsm_capable+0x9/0x20 [ 136.046490][ T5333] ? security_capable+0x7e/0x2c0 [ 136.048497][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 136.050682][ T5333] rdma_nl_rcv+0x6d7/0xa10 [ 136.052605][ T5333] ? __pfx_rdma_nl_rcv+0x10/0x10 [ 136.054641][ T5333] ? netlink_deliver_tap+0x2e/0x1b0 [ 136.056784][ T5333] netlink_unicast+0x80f/0x9b0 [ 136.058756][ T5333] ? __pfx_netlink_unicast+0x10/0x10 [ 136.062206][ T5333] ? __alloc_skb+0x193/0x390 [ 136.064266][ T5333] ? netlink_sendmsg+0x650/0xb40 [ 136.066738][ T5333] ? skb_put+0x11b/0x210 [ 136.068757][ T5333] netlink_sendmsg+0x813/0xb40 [ 136.070978][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 136.073315][ T5333] ? aa_sock_msg_perm+0xf1/0x1b0 [ 136.075620][ T5333] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 136.079175][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 136.082135][ T5333] ____sys_sendmsg+0xa68/0xad0 [ 136.084250][ T5333] ? __might_fault+0xaf/0x130 [ 136.086673][ T5333] ? __pfx_____sys_sendmsg+0x10/0x10 [ 136.088912][ T5333] ? import_iovec+0x73/0xa0 [ 136.091025][ T5333] ___sys_sendmsg+0x2a5/0x360 [ 136.093124][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 136.095247][ T5333] ? __pfx____sys_sendmsg+0x10/0x10 [ 136.097547][ T5333] ? futex_wait+0x29a/0x380 [ 136.099589][ T5333] ? __fget_files+0x2a/0x420 [ 136.101703][ T5333] ? __fget_files+0x3a0/0x420 [ 136.103785][ T5333] __x64_sys_sendmsg+0x1bd/0x2a0 [ 136.106092][ T5333] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 136.108460][ T5333] ? rcu_is_watching+0x15/0xb0 [ 136.110497][ T5333] do_syscall_64+0xe2/0xf80 [ 136.112522][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.114962][ T5333] ? trace_irq_disable+0x37/0x100 [ 136.117071][ T5333] ? clear_bhb_loop+0x60/0xb0 [ 136.119151][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.121561][ T5333] RIP: 0033:0x7f600c79aeb9 [ 136.123454][ T5333] 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 [ 136.132111][ T5333] RSP: 002b:00007f600d6a5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.135713][ T5333] RAX: ffffffffffffffda RBX: 00007f600ca16090 RCX: 00007f600c79aeb9 [ 136.139965][ T5333] RDX: 0000000000000000 RSI: 0000200000000140 RDI: 000000000000000c [ 136.143131][ T5333] RBP: 00007f600c808c1f R08: 0000000000000000 R09: 0000000000000000 [ 136.146702][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 136.150318][ T5333] R13: 00007f600ca16128 R14: 00007f600ca16090 R15: 00007ffef0e042a8 [ 136.153694][ T5333] [ 136.155099][ T5333] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 136.158277][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 136.162150][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 136.166547][ T5333] Call Trace: [ 136.168374][ T5333] [ 136.169709][ T5333] vpanic+0x1e0/0x670 [ 136.171578][ T5333] panic+0xc5/0xd0 [ 136.173465][ T5333] ? __pfx_panic+0x10/0x10 [ 136.175893][ T5333] __warn+0x315/0x4a0 [ 136.177749][ T5333] ? rxe_pool_cleanup+0x48/0x60 [ 136.179845][ T5333] ? rxe_pool_cleanup+0x48/0x60 [ 136.182020][ T5333] __report_bug+0x29a/0x540 [ 136.184064][ T5333] ? rxe_pool_cleanup+0x48/0x60 [ 136.186303][ T5333] ? __pfx___report_bug+0x10/0x10 [ 136.188548][ T5333] ? __pfx_rxe_dealloc+0x10/0x10 [ 136.190831][ T5333] ? __pfx_ib_register_device+0x10/0x10 [ 136.193215][ T5333] ? rxe_pool_cleanup+0x48/0x60 [ 136.195366][ T5333] report_bug+0x16a/0x220 [ 136.197435][ T5333] ? rxe_pool_cleanup+0x48/0x60 [ 136.199817][ T5333] ? rxe_pool_cleanup+0x4a/0x60 [ 136.201990][ T5333] handle_bug+0x98/0x200 [ 136.203926][ T5333] exc_invalid_op+0x1a/0x50 [ 136.206038][ T5333] asm_exc_invalid_op+0x1a/0x20 [ 136.208175][ T5333] RIP: 0010:rxe_pool_cleanup+0x48/0x60 [ 136.210586][ T5333] Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 60 31 7c f9 48 83 3b 00 75 0c e8 c5 53 12 f9 5b c3 cc cc cc cc cc e8 b9 53 12 f9 90 <0f> 0b 90 5b c3 cc cc cc cc cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 [ 136.219475][ T5333] RSP: 0018:ffffc9000c36efe8 EFLAGS: 00010246 [ 136.222140][ T5333] RAX: ffffffff88b23337 RBX: ffff888012a7d3d8 RCX: 0000000000100000 [ 136.225478][ T5333] RDX: ffffc90021003000 RSI: 00000000000fffff RDI: 0000000000100000 [ 136.228880][ T5333] RBP: 0000000000000000 R08: ffffc9000c36ed47 R09: 1ffff9200186dda8 [ 136.232246][ T5333] R10: dffffc0000000000 R11: ffffffff88b06dd0 R12: ffff888012a7d0e8 [ 136.235720][ T5333] R13: dffffc0000000000 R14: ffffffff88b06dd0 R15: dffffc0000000000 [ 136.238715][ T5333] ? __pfx_rxe_dealloc+0x10/0x10 [ 136.240457][ T5333] ? __pfx_rxe_dealloc+0x10/0x10 [ 136.242565][ T5333] ? rxe_pool_cleanup+0x47/0x60 [ 136.244452][ T5333] ? rxe_pool_cleanup+0x47/0x60 [ 136.246464][ T5333] rxe_dealloc+0x27/0xc0 [ 136.248088][ T5333] ? __pfx_rxe_dealloc+0x10/0x10 [ 136.250083][ T5333] ib_dealloc_device+0x54/0x200 [ 136.251863][ T5333] rxe_net_add+0xa1/0x110 [ 136.253614][ T5333] rxe_newlink+0xdd/0x190 [ 136.255607][ T5333] nldev_newlink+0x5bd/0x650 [ 136.257711][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 136.260080][ T5333] ? bpf_lsm_capable+0x9/0x20 [ 136.262256][ T5333] ? security_capable+0x7e/0x2c0 [ 136.264194][ T5333] ? __pfx_nldev_newlink+0x10/0x10 [ 136.266070][ T5333] rdma_nl_rcv+0x6d7/0xa10 [ 136.267668][ T5333] ? __pfx_rdma_nl_rcv+0x10/0x10 [ 136.269920][ T5333] ? netlink_deliver_tap+0x2e/0x1b0 [ 136.272292][ T5333] netlink_unicast+0x80f/0x9b0 [ 136.274535][ T5333] ? __pfx_netlink_unicast+0x10/0x10 [ 136.276873][ T5333] ? __alloc_skb+0x193/0x390 [ 136.278879][ T5333] ? netlink_sendmsg+0x650/0xb40 [ 136.280917][ T5333] ? skb_put+0x11b/0x210 [ 136.282843][ T5333] netlink_sendmsg+0x813/0xb40 [ 136.285096][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 136.287731][ T5333] ? aa_sock_msg_perm+0xf1/0x1b0 [ 136.289957][ T5333] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 136.292405][ T5333] ? __pfx_netlink_sendmsg+0x10/0x10 [ 136.294730][ T5333] ____sys_sendmsg+0xa68/0xad0 [ 136.296794][ T5333] ? __might_fault+0xaf/0x130 [ 136.298979][ T5333] ? __pfx_____sys_sendmsg+0x10/0x10 [ 136.300942][ T5333] ? import_iovec+0x73/0xa0 [ 136.302939][ T5333] ___sys_sendmsg+0x2a5/0x360 [ 136.304943][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 136.307072][ T5333] ? __pfx____sys_sendmsg+0x10/0x10 [ 136.309319][ T5333] ? futex_wait+0x29a/0x380 [ 136.311292][ T5333] ? __fget_files+0x2a/0x420 [ 136.313286][ T5333] ? __fget_files+0x3a0/0x420 [ 136.315254][ T5333] __x64_sys_sendmsg+0x1bd/0x2a0 [ 136.317189][ T5333] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 136.319588][ T5333] ? rcu_is_watching+0x15/0xb0 [ 136.321534][ T5333] do_syscall_64+0xe2/0xf80 [ 136.323426][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.325947][ T5333] ? trace_irq_disable+0x37/0x100 [ 136.328081][ T5333] ? clear_bhb_loop+0x60/0xb0 [ 136.330038][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.332507][ T5333] RIP: 0033:0x7f600c79aeb9 [ 136.334437][ T5333] 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 [ 136.342744][ T5333] RSP: 002b:00007f600d6a5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.346032][ T5333] RAX: ffffffffffffffda RBX: 00007f600ca16090 RCX: 00007f600c79aeb9 [ 136.349370][ T5333] RDX: 0000000000000000 RSI: 0000200000000140 RDI: 000000000000000c [ 136.352812][ T5333] RBP: 00007f600c808c1f R08: 0000000000000000 R09: 0000000000000000 [ 136.356425][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 136.360030][ T5333] R13: 00007f600ca16128 R14: 00007f600ca16090 R15: 00007ffef0e042a8 [ 136.363541][ T5333] [ 136.365222][ T5333] Kernel Offset: disabled [ 136.367022][ T5333] Rebooting in 86400 seconds..