syzkaller login: [ 37.927723] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:49250' (ECDSA) to the list of known hosts. 2023/05/18 02:16:24 fuzzer started 2023/05/18 02:16:24 dialing manager at localhost:44319 2023/05/18 02:16:24 checking machine... 2023/05/18 02:16:24 checking revisions... [ 39.180400] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:16:24 testing simple program... [ 39.254308] cgroup: Unknown subsys name 'net' [ 39.344443] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.678902] audit: type=1400 audit(1684376198.346:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.798027] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.799627] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.801768] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.805656] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.808910] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.811237] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.213864] ------------[ cut here ]------------ [ 54.214690] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.216637] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.217930] Modules linked in: [ 54.218449] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.223496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.224686] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.225493] 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 [ 54.227687] RSP: 0018:ffff88801a12fc00 EFLAGS: 00010282 [ 54.228388] RAX: 0000000000000000 RBX: ffff88800eb56840 RCX: 0000000000000000 [ 54.229275] RDX: ffff888016dfd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.230209] RBP: ffff88800eb56854 R08: 0000000000000001 R09: 0000000000000000 [ 54.231063] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.231946] R13: ffffffff84e23fe0 R14: ffff88800eb56848 R15: ffffffff84d74dc0 [ 54.232837] FS: 0000555556557400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.233836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.234592] CR2: 00007f2aac9e56f4 CR3: 000000000cae2000 CR4: 0000000000350ee0 [ 54.235490] Call Trace: [ 54.235818] [ 54.236147] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.236762] ipv4_frags_init_net+0x269/0x440 [ 54.237362] ops_init+0xbb/0x6b0 [ 54.237808] setup_net+0x3d9/0x990 [ 54.238322] ? down_read_killable+0x1d7/0x4e0 [ 54.238890] ? __pfx_setup_net+0x10/0x10 [ 54.239441] ? copy_net_ns+0x17c/0x770 [ 54.239945] copy_net_ns+0x321/0x770 [ 54.240459] create_new_namespaces+0x3f6/0xb30 [ 54.241044] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.241683] ksys_unshare+0x44d/0x8e0 [ 54.242220] ? __pfx_ksys_unshare+0x10/0x10 [ 54.242767] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.243502] __x64_sys_unshare+0x31/0x40 [ 54.244015] do_syscall_64+0x3f/0x90 [ 54.244517] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.245191] RIP: 0033:0x7ff787dbb0d7 [ 54.245648] 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 [ 54.247804] RSP: 002b:00007ffc12649558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.248746] RAX: ffffffffffffffda RBX: 00007ffc12649b98 RCX: 00007ff787dbb0d7 [ 54.249639] RDX: 00007ff787e2541f RSI: 00007ffc126494f0 RDI: 0000000040000000 [ 54.250536] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc12649300 [ 54.251424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff787ecdbf0 [ 54.252303] R13: 00007ffc12649630 R14: 0000000000000000 R15: 00000000000000f8 [ 54.253205] [ 54.253501] irq event stamp: 8981 [ 54.253938] hardirqs last enabled at (8991): [] __up_console_sem+0x78/0x80 [ 54.254989] hardirqs last disabled at (9002): [] __up_console_sem+0x5d/0x80 [ 54.256040] softirqs last enabled at (8710): [] irq_exit_rcu+0x93/0xc0 [ 54.257062] softirqs last disabled at (8701): [] irq_exit_rcu+0x93/0xc0 [ 54.258078] ---[ end trace 0000000000000000 ]--- [ 54.264196] ------------[ cut here ]------------ [ 54.264794] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.266598] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.267671] Modules linked in: [ 54.268088] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.269280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.270311] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.270969] 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 [ 54.273163] RSP: 0018:ffff88801a12fc00 EFLAGS: 00010282 [ 54.273820] RAX: 0000000000000000 RBX: ffff88800edf2840 RCX: 0000000000000000 [ 54.274738] RDX: ffff888016dfd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.275645] RBP: ffff88800edf2854 R08: 0000000000000001 R09: 0000000000000000 [ 54.276538] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.277422] R13: ffffffff84e23fe0 R14: ffff88800edf2848 R15: ffffffff84da7d60 [ 54.278324] FS: 0000555556557400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.279325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.280025] CR2: 00007f2aac9e56f4 CR3: 000000000cae2000 CR4: 0000000000350ee0 [ 54.280908] Call Trace: [ 54.281270] [ 54.281573] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.282232] ipv6_frags_init_net+0x206/0x3c0 [ 54.282793] ops_init+0xbb/0x6b0 [ 54.283280] setup_net+0x3d9/0x990 [ 54.283734] ? down_read_killable+0x1d7/0x4e0 [ 54.284335] ? __pfx_setup_net+0x10/0x10 [ 54.284841] ? copy_net_ns+0x17c/0x770 [ 54.285378] copy_net_ns+0x321/0x770 [ 54.285857] create_new_namespaces+0x3f6/0xb30 [ 54.286482] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.287104] ksys_unshare+0x44d/0x8e0 [ 54.287632] ? __pfx_ksys_unshare+0x10/0x10 [ 54.288205] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.288914] __x64_sys_unshare+0x31/0x40 [ 54.289458] do_syscall_64+0x3f/0x90 [ 54.289955] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.290640] RIP: 0033:0x7ff787dbb0d7 [ 54.291111] 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 [ 54.293351] RSP: 002b:00007ffc12649558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.294258] RAX: ffffffffffffffda RBX: 00007ffc12649b98 RCX: 00007ff787dbb0d7 [ 54.295063] RDX: 00007ff787e2541f RSI: 00007ffc126494f0 RDI: 0000000040000000 [ 54.295903] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc12649300 [ 54.296739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff787ecdbf0 [ 54.297576] R13: 00007ffc12649630 R14: 0000000000000000 R15: 00000000000000f8 [ 54.298462] [ 54.298751] irq event stamp: 11227 [ 54.299191] hardirqs last enabled at (11239): [] __up_console_sem+0x78/0x80 [ 54.300195] hardirqs last disabled at (11250): [] __up_console_sem+0x5d/0x80 [ 54.301203] softirqs last enabled at (10738): [] irq_exit_rcu+0x93/0xc0 [ 54.302203] softirqs last disabled at (10733): [] irq_exit_rcu+0x93/0xc0 [ 54.303186] ---[ end trace 0000000000000000 ]--- [ 54.304972] ------------[ cut here ]------------ [ 54.305560] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.307418] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.308411] Modules linked in: [ 54.308794] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.309874] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.310845] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.311487] 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 [ 54.313520] RSP: 0018:ffff88801a12fbf0 EFLAGS: 00010286 [ 54.314181] RAX: 0000000000000000 RBX: ffff88800edf2e40 RCX: 0000000000000000 [ 54.314990] RDX: ffff888016dfd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.315831] RBP: ffff88800edf2e54 R08: 0000000000000001 R09: 0000000000000000 [ 54.316670] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.317513] R13: ffffffff84e23fe0 R14: ffff88800edf2e48 R15: ffffffff84db0aa0 [ 54.318377] FS: 0000555556557400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.319314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.319978] CR2: 00007f2aac9e56f4 CR3: 000000000cae2000 CR4: 0000000000350ee0 [ 54.320817] Call Trace: [ 54.321159] [ 54.321450] nf_ct_net_init+0x224/0x3d0 [ 54.321949] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.322529] ops_init+0xbb/0x6b0 [ 54.322957] setup_net+0x3d9/0x990 [ 54.323421] ? down_read_killable+0x1d7/0x4e0 [ 54.323967] ? __pfx_setup_net+0x10/0x10 [ 54.324479] ? copy_net_ns+0x17c/0x770 [ 54.324961] copy_net_ns+0x321/0x770 [ 54.325452] create_new_namespaces+0x3f6/0xb30 [ 54.326021] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.326638] ksys_unshare+0x44d/0x8e0 [ 54.327106] ? __pfx_ksys_unshare+0x10/0x10 [ 54.327656] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.328359] __x64_sys_unshare+0x31/0x40 [ 54.328843] do_syscall_64+0x3f/0x90 [ 54.329320] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.329940] RIP: 0033:0x7ff787dbb0d7 [ 54.330427] 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 [ 54.332453] RSP: 002b:00007ffc12649558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.333347] RAX: ffffffffffffffda RBX: 00007ffc12649b98 RCX: 00007ff787dbb0d7 [ 54.334206] RDX: 00007ff787e2541f RSI: 00007ffc126494f0 RDI: 0000000040000000 [ 54.335010] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc12649300 [ 54.335849] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff787ecdbf0 [ 54.336682] R13: 00007ffc12649630 R14: 0000000000000000 R15: 00000000000000f8 [ 54.337546] [ 54.337832] irq event stamp: 11991 [ 54.338289] hardirqs last enabled at (12003): [] __up_console_sem+0x78/0x80 [ 54.339293] hardirqs last disabled at (12014): [] __up_console_sem+0x5d/0x80 [ 54.340306] softirqs last enabled at (11888): [] irq_exit_rcu+0x93/0xc0 [ 54.341632] softirqs last disabled at (12035): [] irq_exit_rcu+0x93/0xc0 [ 54.342971] ---[ end trace 0000000000000000 ]--- [ 55.886758] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.933206] Bluetooth: hci0: command 0x041b tx timeout [ 59.981212] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.029278] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:16:36 Registers: info registers vcpu 0 RAX=000000000001fa61 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f6fb4f91a50 CR3=00000000094ac000 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=2039333a36313a32302038312079614d XMM01=5d3934343831322e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000057 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a12f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000057 R11=0000000000000001 R12=0000000000000057 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 0000555556557400 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=00007f2aac9e56f4 CR3=000000000cae2000 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=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