Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:54668' (ECDSA) to the list of known hosts. 2023/05/17 12:44:54 fuzzer started 2023/05/17 12:44:55 dialing manager at localhost:44319 2023/05/17 12:44:55 checking machine... 2023/05/17 12:44:55 checking revisions... syzkaller login: [ 36.225223] kmemleak: Automatic memory scanning thread ended 2023/05/17 12:44:55 testing simple program... [ 36.296461] cgroup: Unknown subsys name 'net' [ 36.401654] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.510839] audit: type=1400 audit(1684327508.509:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.639582] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.642838] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.645098] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.650435] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.652045] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.653351] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.063194] ------------[ cut here ]------------ [ 51.063999] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused executing program [ 51.065951] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.067518] Modules linked in: [ 51.068026] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.072360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.073534] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.074301] 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 [ 51.076518] RSP: 0018:ffff888016947c00 EFLAGS: 00010282 [ 51.077207] RAX: 0000000000000000 RBX: ffff888013a75840 RCX: 0000000000000000 [ 51.078112] RDX: ffff888015a1d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.079037] RBP: ffff888013a75854 R08: 0000000000000001 R09: 0000000000000000 [ 51.079886] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.080765] R13: ffffffff84e23fe0 R14: ffff888013a75848 R15: ffffffff84d74dc0 [ 51.081661] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.082660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.083428] CR2: 00007f4f157f26f4 CR3: 000000000ed84000 CR4: 0000000000350ee0 [ 51.084329] Call Trace: [ 51.084661] [ 51.084991] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.085609] ipv4_frags_init_net+0x269/0x440 [ 51.086199] ops_init+0xbb/0x6b0 [ 51.086650] setup_net+0x3d9/0x990 [ 51.087165] ? down_read_killable+0x1d7/0x4e0 [ 51.087733] ? __pfx_setup_net+0x10/0x10 [ 51.088285] ? copy_net_ns+0x17c/0x770 [ 51.088791] copy_net_ns+0x321/0x770 [ 51.089309] create_new_namespaces+0x3f6/0xb30 [ 51.089890] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.090534] ksys_unshare+0x44d/0x8e0 [ 51.091077] ? __pfx_ksys_unshare+0x10/0x10 [ 51.091630] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.092365] __x64_sys_unshare+0x31/0x40 [ 51.092882] do_syscall_64+0x3f/0x90 [ 51.093388] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.094062] RIP: 0033:0x7f55be4830d7 [ 51.094529] 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 [ 51.096700] RSP: 002b:00007fffacce0478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.097638] RAX: ffffffffffffffda RBX: 00007fffacce0ab8 RCX: 00007f55be4830d7 [ 51.098516] RDX: 00007f55be4ed41f RSI: 00007fffacce0410 RDI: 0000000040000000 [ 51.099403] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffacce0220 [ 51.100291] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55be595bf0 [ 51.101167] R13: 00007fffacce0550 R14: 0000000000000000 R15: 00000000000000f8 [ 51.102079] [ 51.102385] irq event stamp: 8921 [ 51.102801] hardirqs last enabled at (8931): [] __up_console_sem+0x78/0x80 [ 51.103875] hardirqs last disabled at (8942): [] __up_console_sem+0x5d/0x80 [ 51.104908] softirqs last enabled at (8482): [] irq_exit_rcu+0x93/0xc0 [ 51.105913] softirqs last disabled at (8453): [] irq_exit_rcu+0x93/0xc0 [ 51.106977] ---[ end trace 0000000000000000 ]--- [ 51.112541] ------------[ cut here ]------------ [ 51.113175] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.114802] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.115886] Modules linked in: [ 51.116316] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.117454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.118460] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.119162] 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 [ 51.121355] RSP: 0018:ffff888016947c00 EFLAGS: 00010282 [ 51.122043] RAX: 0000000000000000 RBX: ffff888016599840 RCX: 0000000000000000 [ 51.122907] RDX: ffff888015a1d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.123836] RBP: ffff888016599854 R08: 0000000000000001 R09: 0000000000000000 [ 51.124716] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.125629] R13: ffffffff84e23fe0 R14: ffff888016599848 R15: ffffffff84da7d60 [ 51.126519] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.127526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.128274] CR2: 00007f4f157f26f4 CR3: 000000000ed84000 CR4: 0000000000350ee0 [ 51.129185] Call Trace: [ 51.129511] [ 51.129813] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.130468] ipv6_frags_init_net+0x206/0x3c0 [ 51.131090] ops_init+0xbb/0x6b0 [ 51.131545] setup_net+0x3d9/0x990 [ 51.132032] ? down_read_killable+0x1d7/0x4e0 [ 51.132605] ? __pfx_setup_net+0x10/0x10 [ 51.133148] ? copy_net_ns+0x17c/0x770 [ 51.133655] copy_net_ns+0x321/0x770 [ 51.134174] create_new_namespaces+0x3f6/0xb30 [ 51.134762] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.135418] ksys_unshare+0x44d/0x8e0 [ 51.135904] ? __pfx_ksys_unshare+0x10/0x10 [ 51.136483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.137223] __x64_sys_unshare+0x31/0x40 [ 51.137742] do_syscall_64+0x3f/0x90 [ 51.138246] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.138887] RIP: 0033:0x7f55be4830d7 [ 51.139396] 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 [ 51.141558] RSP: 002b:00007fffacce0478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.142513] RAX: ffffffffffffffda RBX: 00007fffacce0ab8 RCX: 00007f55be4830d7 [ 51.143428] RDX: 00007f55be4ed41f RSI: 00007fffacce0410 RDI: 0000000040000000 [ 51.144330] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffacce0220 [ 51.145219] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55be595bf0 [ 51.146109] R13: 00007fffacce0550 R14: 0000000000000000 R15: 00000000000000f8 [ 51.147011] [ 51.147317] irq event stamp: 10479 [ 51.147742] hardirqs last enabled at (10489): [] __up_console_sem+0x78/0x80 [ 51.148807] hardirqs last disabled at (10500): [] __up_console_sem+0x5d/0x80 [ 51.149885] softirqs last enabled at (10374): [] irq_exit_rcu+0x93/0xc0 [ 51.150921] softirqs last disabled at (10365): [] irq_exit_rcu+0x93/0xc0 [ 51.151997] ---[ end trace 0000000000000000 ]--- [ 51.153364] ------------[ cut here ]------------ [ 51.153950] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.156017] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.157074] Modules linked in: [ 51.157484] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.158639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.159661] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.160347] 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 [ 51.162524] RSP: 0018:ffff888016947bf0 EFLAGS: 00010286 [ 51.163244] RAX: 0000000000000000 RBX: ffff888016598240 RCX: 0000000000000000 [ 51.164121] RDX: ffff888015a1d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.165015] RBP: ffff888016598254 R08: 0000000000000001 R09: 0000000000000000 [ 51.165871] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.166755] R13: ffffffff84e23fe0 R14: ffff888016598248 R15: ffffffff84db0aa0 [ 51.167643] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.168647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.169385] CR2: 00007f4f157f26f4 CR3: 000000000ed84000 CR4: 0000000000350ee0 [ 51.170276] Call Trace: [ 51.170602] [ 51.170902] nf_ct_net_init+0x224/0x3d0 [ 51.171472] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.172074] ops_init+0xbb/0x6b0 [ 51.172529] setup_net+0x3d9/0x990 [ 51.173009] ? down_read_killable+0x1d7/0x4e0 [ 51.173581] ? __pfx_setup_net+0x10/0x10 [ 51.174122] ? copy_net_ns+0x17c/0x770 [ 51.174636] copy_net_ns+0x321/0x770 [ 51.175156] create_new_namespaces+0x3f6/0xb30 [ 51.175738] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.176383] ksys_unshare+0x44d/0x8e0 [ 51.176868] ? __pfx_ksys_unshare+0x10/0x10 [ 51.177436] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.178181] __x64_sys_unshare+0x31/0x40 [ 51.178695] do_syscall_64+0x3f/0x90 [ 51.179217] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.179869] RIP: 0033:0x7f55be4830d7 [ 51.180362] 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 [ 51.182505] RSP: 002b:00007fffacce0478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.183473] RAX: ffffffffffffffda RBX: 00007fffacce0ab8 RCX: 00007f55be4830d7 [ 51.184350] RDX: 00007f55be4ed41f RSI: 00007fffacce0410 RDI: 0000000040000000 [ 51.185245] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffacce0220 [ 51.186131] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55be595bf0 [ 51.187030] R13: 00007fffacce0550 R14: 0000000000000000 R15: 00000000000000f8 [ 51.187900] [ 51.188226] irq event stamp: 11303 [ 51.188662] hardirqs last enabled at (11313): [] __up_console_sem+0x78/0x80 [ 51.189729] hardirqs last disabled at (11324): [] __up_console_sem+0x5d/0x80 [ 51.190779] softirqs last enabled at (11154): [] irq_exit_rcu+0x93/0xc0 [ 51.191839] softirqs last disabled at (11149): [] irq_exit_rcu+0x93/0xc0 [ 51.192869] ---[ end trace 0000000000000000 ]--- [ 52.723870] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.771361] Bluetooth: hci0: command 0x041b tx timeout [ 56.819392] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.867412] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:45:09 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=1ffff11003485ee5 RCX=ffffffff812d74c3 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff85d35a10 RBP=0000000000000001 RSP=ffff88801a42f710 R8 =0000000000000000 R9 =fffffbfff0ba6b42 R10=ffffffff85d35a17 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff856cce80 R15=0000000000000000 RIP=ffffffff81358b70 RFL=00000247 [---Z-PC] 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 00007f13fedaa700 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=00007f7d7a2f2830 CR3=000000000d8dc000 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=2030313a35343a32312037312079614d XMM01=5d3632303836302e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000078 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880169475f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000078 R11=0000000000000001 R12=0000000000000078 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 0000555556b34400 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=00007f4f157f26f4 CR3=000000000ed84000 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