syzkaller login: [ 37.774631] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:11857' (ECDSA) to the list of known hosts. 2023/05/18 04:43:56 fuzzer started 2023/05/18 04:43:56 dialing manager at localhost:44319 2023/05/18 04:43:56 checking machine... 2023/05/18 04:43:56 checking revisions... [ 39.864261] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:43:56 testing simple program... [ 39.910953] cgroup: Unknown subsys name 'net' [ 39.979043] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.926762] audit: type=1400 audit(1684385049.671:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 54.087466] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.091277] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.093245] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.097430] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.099888] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.101190] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.504525] ------------[ cut here ]------------ [ 54.505152] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.507261] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.508514] Modules linked in: [ 54.509021] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.513773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.514809] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.515480] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.517665] RSP: 0018:ffff888015847c00 EFLAGS: 00010282 [ 54.518387] RAX: 0000000000000000 RBX: ffff88800e5f7c40 RCX: 0000000000000000 [ 54.519271] RDX: ffff88801693b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.520169] RBP: ffff88800e5f7c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.521074] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.522003] R13: ffffffff84e23fe0 R14: ffff88800e5f7c48 R15: ffffffff84d74dc0 [ 54.522897] FS: 00005555556d6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.523901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.524655] CR2: 00007f21de23f6f4 CR3: 000000000cb2a000 CR4: 0000000000350ef0 [ 54.525560] Call Trace: [ 54.525915] [ 54.526222] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.526867] ipv4_frags_init_net+0x269/0x440 [ 54.527460] ops_init+0xbb/0x6b0 [ 54.527911] setup_net+0x3d9/0x990 [ 54.528409] ? down_read_killable+0x1d7/0x4e0 [ 54.528984] ? __pfx_setup_net+0x10/0x10 [ 54.529515] ? copy_net_ns+0x17c/0x770 [ 54.530040] copy_net_ns+0x321/0x770 [ 54.530554] create_new_namespaces+0x3f6/0xb30 [ 54.531138] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.531787] ksys_unshare+0x44d/0x8e0 [ 54.532282] ? __pfx_ksys_unshare+0x10/0x10 [ 54.532855] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.533592] __x64_sys_unshare+0x31/0x40 [ 54.534115] do_syscall_64+0x3f/0x90 [ 54.534627] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.535275] RIP: 0033:0x7fcc8e2af0d7 [ 54.535769] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 54.537961] RSP: 002b:00007ffd4f7da6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.538920] RAX: ffffffffffffffda RBX: 00007ffd4f7dacf8 RCX: 00007fcc8e2af0d7 [ 54.539835] RDX: 00007fcc8e31941f RSI: 00007ffd4f7da650 RDI: 0000000040000000 [ 54.540733] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4f7da460 [ 54.541634] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcc8e3c1bf0 [ 54.542551] R13: 00007ffd4f7da790 R14: 0000000000000000 R15: 00000000000000f8 [ 54.543462] [ 54.543760] irq event stamp: 7853 [ 54.544181] hardirqs last enabled at (7863): [] __up_console_sem+0x78/0x80 [ 54.545232] hardirqs last disabled at (7874): [] __up_console_sem+0x5d/0x80 [ 54.546300] softirqs last enabled at (7790): [] irq_exit_rcu+0x93/0xc0 [ 54.547388] softirqs last disabled at (7891): [] irq_exit_rcu+0x93/0xc0 [ 54.548425] ---[ end trace 0000000000000000 ]--- [ 54.554012] ------------[ cut here ]------------ [ 54.554636] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.556262] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.557340] Modules linked in: [ 54.557747] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.558913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.559922] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.560599] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.562780] RSP: 0018:ffff888015847c00 EFLAGS: 00010282 [ 54.563470] RAX: 0000000000000000 RBX: ffff88800e5b7240 RCX: 0000000000000000 [ 54.564321] RDX: ffff88801693b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.565206] RBP: ffff88800e5b7254 R08: 0000000000000001 R09: 0000000000000000 [ 54.566124] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.567008] R13: ffffffff84e23fe0 R14: ffff88800e5b7248 R15: ffffffff84da7d60 [ 54.567911] FS: 00005555556d6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.568908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.569660] CR2: 00007f21de23f6f4 CR3: 000000000cb2a000 CR4: 0000000000350ef0 [ 54.570566] Call Trace: [ 54.570898] [ 54.571197] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.571851] ipv6_frags_init_net+0x206/0x3c0 [ 54.572445] ops_init+0xbb/0x6b0 [ 54.572899] setup_net+0x3d9/0x990 [ 54.573394] ? down_read_killable+0x1d7/0x4e0 [ 54.573981] ? __pfx_setup_net+0x10/0x10 [ 54.574525] ? copy_net_ns+0x17c/0x770 [ 54.575044] copy_net_ns+0x321/0x770 [ 54.575570] create_new_namespaces+0x3f6/0xb30 [ 54.576158] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.576804] ksys_unshare+0x44d/0x8e0 [ 54.577298] ? __pfx_ksys_unshare+0x10/0x10 [ 54.577881] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.578636] __x64_sys_unshare+0x31/0x40 [ 54.579148] do_syscall_64+0x3f/0x90 [ 54.579652] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.580308] RIP: 0033:0x7fcc8e2af0d7 [ 54.580802] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 54.582979] RSP: 002b:00007ffd4f7da6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.583929] RAX: ffffffffffffffda RBX: 00007ffd4f7dacf8 RCX: 00007fcc8e2af0d7 [ 54.584825] RDX: 00007fcc8e31941f RSI: 00007ffd4f7da650 RDI: 0000000040000000 [ 54.585700] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4f7da460 [ 54.586608] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcc8e3c1bf0 [ 54.587502] R13: 00007ffd4f7da790 R14: 0000000000000000 R15: 00000000000000f8 [ 54.588411] [ 54.588718] irq event stamp: 9765 [ 54.589145] hardirqs last enabled at (9775): [] __up_console_sem+0x78/0x80 [ 54.590216] hardirqs last disabled at (9786): [] __up_console_sem+0x5d/0x80 [ 54.591277] softirqs last enabled at (9616): [] irq_exit_rcu+0x93/0xc0 [ 54.592315] softirqs last disabled at (9607): [] irq_exit_rcu+0x93/0xc0 [ 54.593369] ---[ end trace 0000000000000000 ]--- [ 54.594763] ------------[ cut here ]------------ [ 54.595365] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.597208] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.598284] Modules linked in: [ 54.598725] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.599877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.600901] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.601580] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.603791] RSP: 0018:ffff888015847bf0 EFLAGS: 00010286 [ 54.604473] RAX: 0000000000000000 RBX: ffff8880140fd040 RCX: 0000000000000000 [ 54.605359] RDX: ffff88801693b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.606246] RBP: ffff8880140fd054 R08: 0000000000000001 R09: 0000000000000000 [ 54.607128] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.608005] R13: ffffffff84e23fe0 R14: ffff8880140fd048 R15: ffffffff84db0aa0 [ 54.608902] FS: 00005555556d6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.609913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.610655] CR2: 00007f21de23f6f4 CR3: 000000000cb2a000 CR4: 0000000000350ef0 [ 54.611554] Call Trace: [ 54.611883] [ 54.612181] nf_ct_net_init+0x224/0x3d0 [ 54.612741] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.613318] ops_init+0xbb/0x6b0 [ 54.613801] setup_net+0x3d9/0x990 [ 54.614271] ? down_read_killable+0x1d7/0x4e0 [ 54.614865] ? __pfx_setup_net+0x10/0x10 [ 54.615406] ? copy_net_ns+0x17c/0x770 [ 54.615921] copy_net_ns+0x321/0x770 [ 54.616447] create_new_namespaces+0x3f6/0xb30 [ 54.617031] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.617681] ksys_unshare+0x44d/0x8e0 [ 54.618192] ? __pfx_ksys_unshare+0x10/0x10 [ 54.618775] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.619524] __x64_sys_unshare+0x31/0x40 [ 54.620042] do_syscall_64+0x3f/0x90 [ 54.620558] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.621204] RIP: 0033:0x7fcc8e2af0d7 [ 54.621703] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 54.623903] RSP: 002b:00007ffd4f7da6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.624855] RAX: ffffffffffffffda RBX: 00007ffd4f7dacf8 RCX: 00007fcc8e2af0d7 [ 54.625755] RDX: 00007fcc8e31941f RSI: 00007ffd4f7da650 RDI: 0000000040000000 [ 54.626653] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4f7da460 [ 54.627543] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcc8e3c1bf0 [ 54.628437] R13: 00007ffd4f7da790 R14: 0000000000000000 R15: 00000000000000f8 [ 54.629309] [ 54.629640] irq event stamp: 10579 [ 54.630080] hardirqs last enabled at (10589): [] __up_console_sem+0x78/0x80 [ 54.631147] hardirqs last disabled at (10600): [] __up_console_sem+0x5d/0x80 [ 54.632207] softirqs last enabled at (10152): [] irq_exit_rcu+0x93/0xc0 [ 54.633241] softirqs last disabled at (10147): [] irq_exit_rcu+0x93/0xc0 [ 54.634293] ---[ end trace 0000000000000000 ]--- executing program [ 56.170938] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.218405] Bluetooth: hci0: command 0x041b tx timeout [ 60.266422] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.314397] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:44:05 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880158475f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555556d6400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f21de23f6f4 CR3=000000000cb2a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002623b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9c10037078 CR3=000000000e8b2000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2031313a34343a34302038312079614d XMM01=5d3431353830352e34352020205b203a XMM02=646f4d205d3431353830352e34352020 XMM03=6b7a79732031313a34343a3430203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3136323730352e34352020205b XMM07=79732031313a34343a34302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000