syzkaller login: [ 34.927888] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:26172' (ECDSA) to the list of known hosts. 2023/05/17 22:04:13 fuzzer started 2023/05/17 22:04:13 dialing manager at localhost:44319 2023/05/17 22:04:13 checking machine... 2023/05/17 22:04:13 checking revisions... [ 36.117355] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:04:13 testing simple program... [ 36.191728] cgroup: Unknown subsys name 'net' [ 36.256174] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.126162] audit: type=1400 audit(1684361066.511:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.200859] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.203809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.205286] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.208580] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.210509] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.212011] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.648220] ------------[ cut here ]------------ [ 50.648976] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.651418] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.652670] Modules linked in: [ 50.653214] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.658479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.659727] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.660544] 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 [ 50.663261] RSP: 0018:ffff88801e367c00 EFLAGS: 00010282 [ 50.664051] RAX: 0000000000000000 RBX: ffff88800e93c840 RCX: 0000000000000000 [ 50.665167] RDX: ffff888018033680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.666275] RBP: ffff88800e93c854 R08: 0000000000000001 R09: 0000000000000000 [ 50.667342] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.668422] R13: ffffffff84e23fe0 R14: ffff88800e93c848 R15: ffffffff84d74dc0 [ 50.669530] FS: 0000555555acd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.670751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.671641] CR2: 00007fdcfdab8000 CR3: 0000000016638000 CR4: 0000000000350ee0 [ 50.672701] Call Trace: [ 50.673107] [ 50.673502] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.674276] ipv4_frags_init_net+0x269/0x440 [ 50.674942] ops_init+0xbb/0x6b0 [ 50.675513] setup_net+0x3d9/0x990 [ 50.676065] ? down_read_killable+0x1d7/0x4e0 [ 50.676785] ? __pfx_setup_net+0x10/0x10 [ 50.677460] ? copy_net_ns+0x17c/0x770 [ 50.678059] copy_net_ns+0x321/0x770 [ 50.678667] create_new_namespaces+0x3f6/0xb30 [ 50.679409] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.680179] ksys_unshare+0x44d/0x8e0 [ 50.680771] ? __pfx_ksys_unshare+0x10/0x10 [ 50.681471] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.682367] __x64_sys_unshare+0x31/0x40 [ 50.682991] do_syscall_64+0x3f/0x90 [ 50.683591] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.684395] RIP: 0033:0x7fbf655970d7 [ 50.684933] 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 [ 50.687495] RSP: 002b:00007ffe5c4a1398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.688587] RAX: ffffffffffffffda RBX: 00007ffe5c4a19d8 RCX: 00007fbf655970d7 [ 50.689627] RDX: 00007fbf6560141f RSI: 00007ffe5c4a1330 RDI: 0000000040000000 [ 50.690649] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c4a1140 [ 50.691689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbf656a9bf0 [ 50.692726] R13: 00007ffe5c4a1470 R14: 0000000000000000 R15: 00000000000000f8 [ 50.693817] [ 50.694191] irq event stamp: 8215 [ 50.694684] hardirqs last enabled at (8225): [] __up_console_sem+0x78/0x80 [ 50.695897] hardirqs last disabled at (8236): [] __up_console_sem+0x5d/0x80 [ 50.697127] softirqs last enabled at (7702): [] irq_exit_rcu+0x93/0xc0 [ 50.698338] softirqs last disabled at (7665): [] irq_exit_rcu+0x93/0xc0 [ 50.699546] ---[ end trace 0000000000000000 ]--- [ 50.705508] ------------[ cut here ]------------ [ 50.706211] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.708174] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.709368] Modules linked in: [ 50.709824] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.711123] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.712283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.713022] 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 [ 50.715463] RSP: 0018:ffff88801e367c00 EFLAGS: 00010282 [ 50.716224] RAX: 0000000000000000 RBX: ffff88800d663240 RCX: 0000000000000000 [ 50.717245] RDX: ffff888018033680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.718262] RBP: ffff88800d663254 R08: 0000000000000001 R09: 0000000000000000 [ 50.719269] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.720281] R13: ffffffff84e23fe0 R14: ffff88800d663248 R15: ffffffff84da7d60 [ 50.721359] FS: 0000555555acd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.722507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.723352] CR2: 00007fdcfdab8000 CR3: 0000000016638000 CR4: 0000000000350ee0 [ 50.724375] Call Trace: [ 50.724753] [ 50.725113] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.725864] ipv6_frags_init_net+0x206/0x3c0 [ 50.726540] ops_init+0xbb/0x6b0 [ 50.727052] setup_net+0x3d9/0x990 [ 50.727605] ? down_read_killable+0x1d7/0x4e0 [ 50.728287] ? __pfx_setup_net+0x10/0x10 [ 50.728875] ? copy_net_ns+0x17c/0x770 [ 50.729491] copy_net_ns+0x321/0x770 [ 50.730036] create_new_namespaces+0x3f6/0xb30 [ 50.730728] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.731462] ksys_unshare+0x44d/0x8e0 [ 50.732013] ? __pfx_ksys_unshare+0x10/0x10 [ 50.732667] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.733502] __x64_sys_unshare+0x31/0x40 [ 50.734080] do_syscall_64+0x3f/0x90 [ 50.734653] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.735420] RIP: 0033:0x7fbf655970d7 [ 50.735939] 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 [ 50.738416] RSP: 002b:00007ffe5c4a1398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.739484] RAX: ffffffffffffffda RBX: 00007ffe5c4a19d8 RCX: 00007fbf655970d7 [ 50.740494] RDX: 00007fbf6560141f RSI: 00007ffe5c4a1330 RDI: 0000000040000000 [ 50.741497] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c4a1140 [ 50.742508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbf656a9bf0 [ 50.743508] R13: 00007ffe5c4a1470 R14: 0000000000000000 R15: 00000000000000f8 [ 50.744522] [ 50.744858] irq event stamp: 10151 [ 50.745389] hardirqs last enabled at (10163): [] __up_console_sem+0x78/0x80 [ 50.746571] hardirqs last disabled at (10174): [] __up_console_sem+0x5d/0x80 [ 50.747777] softirqs last enabled at (9642): [] irq_exit_rcu+0x93/0xc0 [ 50.748923] softirqs last disabled at (9619): [] irq_exit_rcu+0x93/0xc0 [ 50.750095] ---[ end trace 0000000000000000 ]--- [ 50.751601] ------------[ cut here ]------------ [ 50.752280] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.754424] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.755601] Modules linked in: [ 50.756059] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.757348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.758475] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.759232] 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 [ 50.761652] RSP: 0018:ffff88801e367bf0 EFLAGS: 00010286 [ 50.762420] RAX: 0000000000000000 RBX: ffff88800d662040 RCX: 0000000000000000 [ 50.763411] RDX: ffff888018033680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.764416] RBP: ffff88800d662054 R08: 0000000000000001 R09: 0000000000000000 [ 50.765444] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.766438] R13: ffffffff84e23fe0 R14: ffff88800d662048 R15: ffffffff84db0aa0 [ 50.767424] FS: 0000555555acd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.768546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.769375] CR2: 00007fdcfdab8000 CR3: 0000000016638000 CR4: 0000000000350ee0 [ 50.770378] Call Trace: [ 50.770737] [ 50.771066] nf_ct_net_init+0x224/0x3d0 [ 50.771662] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.772332] ops_init+0xbb/0x6b0 [ 50.772822] setup_net+0x3d9/0x990 [ 50.773364] ? down_read_killable+0x1d7/0x4e0 [ 50.773994] ? __pfx_setup_net+0x10/0x10 [ 50.774585] ? copy_net_ns+0x17c/0x770 [ 50.775171] copy_net_ns+0x321/0x770 [ 50.775705] create_new_namespaces+0x3f6/0xb30 [ 50.776378] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.777071] ksys_unshare+0x44d/0x8e0 [ 50.777645] ? __pfx_ksys_unshare+0x10/0x10 [ 50.778282] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.779061] __x64_sys_unshare+0x31/0x40 [ 50.779664] do_syscall_64+0x3f/0x90 [ 50.780222] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.780924] RIP: 0033:0x7fbf655970d7 [ 50.781483] 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 [ 50.783858] RSP: 002b:00007ffe5c4a1398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.784893] RAX: ffffffffffffffda RBX: 00007ffe5c4a19d8 RCX: 00007fbf655970d7 [ 50.785865] RDX: 00007fbf6560141f RSI: 00007ffe5c4a1330 RDI: 0000000040000000 [ 50.786835] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c4a1140 [ 50.787790] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbf656a9bf0 [ 50.788744] R13: 00007ffe5c4a1470 R14: 0000000000000000 R15: 00000000000000f8 [ 50.789728] [ 50.790050] irq event stamp: 10915 [ 50.790546] hardirqs last enabled at (10927): [] __up_console_sem+0x78/0x80 [ 50.791672] hardirqs last disabled at (10938): [] __up_console_sem+0x5d/0x80 [ 50.792804] softirqs last enabled at (10526): [] irq_exit_rcu+0x93/0xc0 [ 50.793904] softirqs last disabled at (10521): [] irq_exit_rcu+0x93/0xc0 [ 50.794990] ---[ end trace 0000000000000000 ]--- executing program [ 52.283819] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.331201] Bluetooth: hci0: command 0x041b tx timeout [ 56.379631] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.427208] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:04:28 Registers: info registers vcpu 0 RAX=00000000000244df 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=00007fdcfda56c70 CR3=000000000ef58000 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=ae5b63b57a84c09dd8478898ea704d11 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a1c87dbf2e318612000000000013b8e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ce2b20692ee9175d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e367598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555acd400 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=00007fdcfdab8000 CR3=0000000016638000 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