Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64737' (ECDSA) to the list of known hosts. 2023/05/18 04:01:10 fuzzer started 2023/05/18 04:01:10 dialing manager at localhost:44319 2023/05/18 04:01:10 checking machine... 2023/05/18 04:01:10 checking revisions... syzkaller login: [ 55.940189] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:01:11 testing simple program... [ 56.009265] cgroup: Unknown subsys name 'net' [ 56.088510] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 68.815808] audit: type=1400 audit(1684382483.899:6): 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 [ 69.897846] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.899320] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.901418] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.904819] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.906183] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.908037] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.347625] ------------[ cut here ]------------ [ 70.348385] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 70.350349] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.351499] Modules linked in: [ 70.351937] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 70.356856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.358016] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.358734] 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 [ 70.361044] RSP: 0018:ffff88801eb5fc00 EFLAGS: 00010282 [ 70.361781] RAX: 0000000000000000 RBX: ffff888015a23840 RCX: 0000000000000000 [ 70.362727] RDX: ffff88800ed31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 70.363662] RBP: ffff888015a23854 R08: 0000000000000001 R09: 0000000000000000 [ 70.364592] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.365522] R13: ffffffff84e23fe0 R14: ffff888015a23848 R15: ffffffff84d74dc0 [ 70.366436] FS: 00005555569fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.367513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.368267] CR2: 00007eff85ab46f4 CR3: 000000001a3c2000 CR4: 0000000000350ef0 [ 70.369216] Call Trace: [ 70.369599] [ 70.369935] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 70.370613] ipv4_frags_init_net+0x269/0x440 [ 70.371202] ops_init+0xbb/0x6b0 [ 70.371709] setup_net+0x3d9/0x990 [ 70.372193] ? down_read_killable+0x1d7/0x4e0 [ 70.372827] ? __pfx_setup_net+0x10/0x10 [ 70.373372] ? copy_net_ns+0x17c/0x770 [ 70.373948] copy_net_ns+0x321/0x770 [ 70.374495] create_new_namespaces+0x3f6/0xb30 [ 70.375119] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.375799] ksys_unshare+0x44d/0x8e0 [ 70.376318] ? __pfx_ksys_unshare+0x10/0x10 [ 70.376926] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.377744] __x64_sys_unshare+0x31/0x40 [ 70.378298] do_syscall_64+0x3f/0x90 [ 70.378841] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.379559] RIP: 0033:0x7f37ceeea0d7 [ 70.380055] 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 [ 70.382344] RSP: 002b:00007ffdfdd5a848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.383340] RAX: ffffffffffffffda RBX: 00007ffdfdd5ae88 RCX: 00007f37ceeea0d7 [ 70.384273] RDX: 00007f37cef5441f RSI: 00007ffdfdd5a7e0 RDI: 0000000040000000 [ 70.385208] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdfdd5a5f0 [ 70.386144] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f37ceffcbf0 [ 70.387071] R13: 00007ffdfdd5a920 R14: 0000000000000000 R15: 00000000000000f8 [ 70.388047] [ 70.388373] irq event stamp: 9551 [ 70.388869] hardirqs last enabled at (9563): [] __up_console_sem+0x78/0x80 [ 70.390019] hardirqs last disabled at (9574): [] __up_console_sem+0x5d/0x80 [ 70.391144] softirqs last enabled at (9402): [] irq_exit_rcu+0x93/0xc0 [ 70.392256] softirqs last disabled at (9397): [] irq_exit_rcu+0x93/0xc0 [ 70.393340] ---[ end trace 0000000000000000 ]--- [ 70.399308] ------------[ cut here ]------------ [ 70.400018] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 70.401835] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.402960] Modules linked in: [ 70.403403] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 70.404635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.405756] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.406444] 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 [ 70.408778] RSP: 0018:ffff88801eb5fc00 EFLAGS: 00010282 [ 70.409545] RAX: 0000000000000000 RBX: ffff8880101f1440 RCX: 0000000000000000 [ 70.410556] RDX: ffff88800ed31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 70.411537] RBP: ffff8880101f1454 R08: 0000000000000001 R09: 0000000000000000 [ 70.412511] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.413489] R13: ffffffff84e23fe0 R14: ffff8880101f1448 R15: ffffffff84da7d60 [ 70.414442] FS: 00005555569fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.415565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.416346] CR2: 00007eff85ab46f4 CR3: 000000001a3c2000 CR4: 0000000000350ef0 [ 70.417321] Call Trace: [ 70.417707] [ 70.418064] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 70.418772] ipv6_frags_init_net+0x206/0x3c0 [ 70.419393] ops_init+0xbb/0x6b0 [ 70.419917] setup_net+0x3d9/0x990 [ 70.420422] ? down_read_killable+0x1d7/0x4e0 [ 70.421084] ? __pfx_setup_net+0x10/0x10 [ 70.421678] ? copy_net_ns+0x17c/0x770 [ 70.422258] copy_net_ns+0x321/0x770 [ 70.422824] create_new_namespaces+0x3f6/0xb30 [ 70.423499] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.424172] ksys_unshare+0x44d/0x8e0 [ 70.424744] ? __pfx_ksys_unshare+0x10/0x10 [ 70.425345] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.426161] __x64_sys_unshare+0x31/0x40 [ 70.426760] do_syscall_64+0x3f/0x90 [ 70.427290] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.428025] RIP: 0033:0x7f37ceeea0d7 [ 70.428570] 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 [ 70.430971] RSP: 002b:00007ffdfdd5a848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.432015] RAX: ffffffffffffffda RBX: 00007ffdfdd5ae88 RCX: 00007f37ceeea0d7 [ 70.433000] RDX: 00007f37cef5441f RSI: 00007ffdfdd5a7e0 RDI: 0000000040000000 [ 70.433995] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdfdd5a5f0 [ 70.434981] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f37ceffcbf0 [ 70.435953] R13: 00007ffdfdd5a920 R14: 0000000000000000 R15: 00000000000000f8 [ 70.436953] [ 70.437282] irq event stamp: 11397 [ 70.437796] hardirqs last enabled at (11409): [] __up_console_sem+0x78/0x80 [ 70.438962] hardirqs last disabled at (11420): [] __up_console_sem+0x5d/0x80 [ 70.440135] softirqs last enabled at (10876): [] irq_exit_rcu+0x93/0xc0 [ 70.441288] softirqs last disabled at (11441): [] irq_exit_rcu+0x93/0xc0 [ 70.442494] ---[ end trace 0000000000000000 ]--- [ 70.443997] ------------[ cut here ]------------ [ 70.444661] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 70.446724] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.447851] Modules linked in: [ 70.448286] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 70.449521] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.450594] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.451277] 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 [ 70.453590] RSP: 0018:ffff88801eb5fbf0 EFLAGS: 00010286 [ 70.454307] RAX: 0000000000000000 RBX: ffff8880101f1e40 RCX: 0000000000000000 [ 70.455253] RDX: ffff88800ed31b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 70.456185] RBP: ffff8880101f1e54 R08: 0000000000000001 R09: 0000000000000000 [ 70.457129] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.458073] R13: ffffffff84e23fe0 R14: ffff8880101f1e48 R15: ffffffff84db0aa0 [ 70.459010] FS: 00005555569fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.460065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.460855] CR2: 00007eff85ab46f4 CR3: 000000001a3c2000 CR4: 0000000000350ef0 [ 70.461791] Call Trace: [ 70.462138] [ 70.462455] nf_ct_net_init+0x224/0x3d0 [ 70.463036] ? __pfx_nf_ct_net_init+0x10/0x10 [ 70.463685] ops_init+0xbb/0x6b0 [ 70.464166] setup_net+0x3d9/0x990 [ 70.464685] ? down_read_killable+0x1d7/0x4e0 [ 70.465284] ? __pfx_setup_net+0x10/0x10 [ 70.465880] ? copy_net_ns+0x17c/0x770 [ 70.466417] copy_net_ns+0x321/0x770 [ 70.466966] create_new_namespaces+0x3f6/0xb30 [ 70.467618] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.468268] ksys_unshare+0x44d/0x8e0 [ 70.468819] ? __pfx_ksys_unshare+0x10/0x10 [ 70.469398] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.470190] __x64_sys_unshare+0x31/0x40 [ 70.470768] do_syscall_64+0x3f/0x90 [ 70.471277] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.471987] RIP: 0033:0x7f37ceeea0d7 [ 70.472513] 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 [ 70.474816] RSP: 002b:00007ffdfdd5a848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.475823] RAX: ffffffffffffffda RBX: 00007ffdfdd5ae88 RCX: 00007f37ceeea0d7 [ 70.476767] RDX: 00007f37cef5441f RSI: 00007ffdfdd5a7e0 RDI: 0000000040000000 [ 70.477707] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdfdd5a5f0 [ 70.478679] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f37ceffcbf0 [ 70.479616] R13: 00007ffdfdd5a920 R14: 0000000000000000 R15: 00000000000000f8 [ 70.480584] [ 70.480900] irq event stamp: 12147 [ 70.481359] hardirqs last enabled at (12157): [] __up_console_sem+0x78/0x80 [ 70.482509] hardirqs last disabled at (12168): [] __up_console_sem+0x5d/0x80 [ 70.483641] softirqs last enabled at (11718): [] irq_exit_rcu+0x93/0xc0 [ 70.484734] softirqs last disabled at (11709): [] irq_exit_rcu+0x93/0xc0 [ 70.485836] ---[ end trace 0000000000000000 ]--- executing program [ 71.980092] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 74.027553] Bluetooth: hci0: command 0x041b tx timeout [ 76.075557] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.123573] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:01:07 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801eb5f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 00005555569fd400 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=00007eff85ab46f4 CR3=000000001a3c2000 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=0000000000055bcd 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=00007f437a1490a0 CR3=00000000134ba000 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=2035323a31303a34302038312079614d XMM01=5d3733393135332e30372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000