Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:18537' (ECDSA) to the list of known hosts. 2023/05/17 23:50:28 fuzzer started 2023/05/17 23:50:29 dialing manager at localhost:44319 2023/05/17 23:50:29 checking machine... 2023/05/17 23:50:29 checking revisions... syzkaller login: [ 41.990247] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:50:29 testing simple program... [ 42.067668] cgroup: Unknown subsys name 'net' [ 42.170814] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.979517] audit: type=1400 audit(1684367442.382:6): 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 [ 56.091614] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.094077] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.095520] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.098582] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.104867] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.106790] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.480267] ------------[ cut here ]------------ [ 56.481051] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.483048] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.484320] Modules linked in: [ 56.484841] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.487068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.489066] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.490420] 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 [ 56.492549] RSP: 0018:ffff88801f817c00 EFLAGS: 00010282 [ 56.493225] RAX: 0000000000000000 RBX: ffff888009813040 RCX: 0000000000000000 [ 56.494101] RDX: ffff888009643680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.494979] RBP: ffff888009813054 R08: 0000000000000001 R09: 0000000000000000 [ 56.495876] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.496761] R13: ffffffff84e23fe0 R14: ffff888009813048 R15: ffffffff84d74dc0 [ 56.497626] FS: 0000555555959400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.498628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.499379] CR2: 00007fdea7dd36f4 CR3: 000000000c698000 CR4: 0000000000350ee0 [ 56.500242] Call Trace: [ 56.500559] [ 56.500886] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.501500] ipv4_frags_init_net+0x269/0x440 [ 56.502078] ops_init+0xbb/0x6b0 [ 56.502536] setup_net+0x3d9/0x990 [ 56.503019] ? down_read_killable+0x1d7/0x4e0 [ 56.503611] ? __pfx_setup_net+0x10/0x10 [ 56.504150] ? copy_net_ns+0x17c/0x770 [ 56.504656] copy_net_ns+0x321/0x770 [ 56.505164] create_new_namespaces+0x3f6/0xb30 [ 56.505774] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.506383] ksys_unshare+0x44d/0x8e0 [ 56.506892] ? __pfx_ksys_unshare+0x10/0x10 [ 56.507449] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.508197] __x64_sys_unshare+0x31/0x40 [ 56.508737] do_syscall_64+0x3f/0x90 [ 56.509214] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.509880] RIP: 0033:0x7f7b4e48e0d7 [ 56.510344] 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 [ 56.512480] RSP: 002b:00007ffd50d4f418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.513413] RAX: ffffffffffffffda RBX: 00007ffd50d4fa58 RCX: 00007f7b4e48e0d7 [ 56.514284] RDX: 00007f7b4e4f841f RSI: 00007ffd50d4f3b0 RDI: 0000000040000000 [ 56.515181] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50d4f1c0 [ 56.516057] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7b4e5a0bf0 [ 56.516925] R13: 00007ffd50d4f4f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.517829] [ 56.518126] irq event stamp: 8959 [ 56.518549] hardirqs last enabled at (8969): [] __up_console_sem+0x78/0x80 [ 56.519623] hardirqs last disabled at (8986): [] __up_console_sem+0x5d/0x80 [ 56.520679] softirqs last enabled at (8982): [] irq_exit_rcu+0x93/0xc0 [ 56.521720] softirqs last disabled at (8977): [] irq_exit_rcu+0x93/0xc0 [ 56.522727] ---[ end trace 0000000000000000 ]--- [ 56.527554] ------------[ cut here ]------------ [ 56.528252] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.529932] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.530992] Modules linked in: [ 56.531413] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.532557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.533556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.534234] 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 [ 56.536416] RSP: 0018:ffff88801f817c00 EFLAGS: 00010282 [ 56.537100] RAX: 0000000000000000 RBX: ffff888009b6b240 RCX: 0000000000000000 [ 56.537995] RDX: ffff888009643680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.538879] RBP: ffff888009b6b254 R08: 0000000000000001 R09: 0000000000000000 [ 56.539781] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.540635] R13: ffffffff84e23fe0 R14: ffff888009b6b248 R15: ffffffff84da7d60 [ 56.541517] FS: 0000555555959400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.542503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.543239] CR2: 00007fdea7dd36f4 CR3: 000000000c698000 CR4: 0000000000350ee0 [ 56.544133] Call Trace: [ 56.544459] [ 56.544788] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.545406] ipv6_frags_init_net+0x206/0x3c0 [ 56.546012] ops_init+0xbb/0x6b0 [ 56.546457] setup_net+0x3d9/0x990 [ 56.546952] ? down_read_killable+0x1d7/0x4e0 [ 56.547540] ? __pfx_setup_net+0x10/0x10 [ 56.548094] ? copy_net_ns+0x17c/0x770 [ 56.548608] copy_net_ns+0x321/0x770 [ 56.549137] create_new_namespaces+0x3f6/0xb30 [ 56.549762] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.550385] ksys_unshare+0x44d/0x8e0 [ 56.550920] ? __pfx_ksys_unshare+0x10/0x10 [ 56.551483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.552224] __x64_sys_unshare+0x31/0x40 [ 56.552766] do_syscall_64+0x3f/0x90 [ 56.553254] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.553945] RIP: 0033:0x7f7b4e48e0d7 [ 56.554414] 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 [ 56.556578] RSP: 002b:00007ffd50d4f418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.557527] RAX: ffffffffffffffda RBX: 00007ffd50d4fa58 RCX: 00007f7b4e48e0d7 [ 56.558412] RDX: 00007f7b4e4f841f RSI: 00007ffd50d4f3b0 RDI: 0000000040000000 [ 56.559315] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50d4f1c0 [ 56.560213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7b4e5a0bf0 [ 56.561102] R13: 00007ffd50d4f4f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.562029] [ 56.562334] irq event stamp: 10453 [ 56.562792] hardirqs last enabled at (10465): [] __up_console_sem+0x78/0x80 [ 56.563885] hardirqs last disabled at (10476): [] __up_console_sem+0x5d/0x80 [ 56.564950] softirqs last enabled at (9936): [] irq_exit_rcu+0x93/0xc0 [ 56.565971] softirqs last disabled at (9895): [] irq_exit_rcu+0x93/0xc0 [ 56.566989] ---[ end trace 0000000000000000 ]--- [ 56.568340] ------------[ cut here ]------------ [ 56.568952] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.570852] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.571905] Modules linked in: [ 56.572313] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.573478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.574510] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.575222] 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 [ 56.577402] RSP: 0018:ffff88801f817bf0 EFLAGS: 00010286 [ 56.578095] RAX: 0000000000000000 RBX: ffff88800ee9d240 RCX: 0000000000000000 [ 56.578987] RDX: ffff888009643680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.579890] RBP: ffff88800ee9d254 R08: 0000000000000001 R09: 0000000000000000 [ 56.580778] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.581628] R13: ffffffff84e23fe0 R14: ffff88800ee9d248 R15: ffffffff84db0aa0 [ 56.582534] FS: 0000555555959400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.583537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.584272] CR2: 00007fdea7dd36f4 CR3: 000000000c698000 CR4: 0000000000350ee0 [ 56.585151] Call Trace: [ 56.585477] [ 56.585819] nf_ct_net_init+0x224/0x3d0 [ 56.586340] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.586962] ops_init+0xbb/0x6b0 [ 56.587430] setup_net+0x3d9/0x990 [ 56.587917] ? down_read_killable+0x1d7/0x4e0 [ 56.588489] ? __pfx_setup_net+0x10/0x10 [ 56.589040] ? copy_net_ns+0x17c/0x770 [ 56.589543] copy_net_ns+0x321/0x770 [ 56.590062] create_new_namespaces+0x3f6/0xb30 [ 56.590645] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.591312] ksys_unshare+0x44d/0x8e0 [ 56.591831] ? __pfx_ksys_unshare+0x10/0x10 [ 56.592383] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.593141] __x64_sys_unshare+0x31/0x40 [ 56.593666] do_syscall_64+0x3f/0x90 [ 56.594184] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.594867] RIP: 0033:0x7f7b4e48e0d7 [ 56.595360] 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 [ 56.597617] RSP: 002b:00007ffd50d4f418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.598611] RAX: ffffffffffffffda RBX: 00007ffd50d4fa58 RCX: 00007f7b4e48e0d7 [ 56.599557] RDX: 00007f7b4e4f841f RSI: 00007ffd50d4f3b0 RDI: 0000000040000000 [ 56.600485] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50d4f1c0 [ 56.601410] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7b4e5a0bf0 [ 56.602334] R13: 00007ffd50d4f4f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.603290] [ 56.603598] irq event stamp: 11219 [ 56.604071] hardirqs last enabled at (11231): [] __up_console_sem+0x78/0x80 [ 56.605184] hardirqs last disabled at (11242): [] __up_console_sem+0x5d/0x80 [ 56.606291] softirqs last enabled at (11070): [] irq_exit_rcu+0x93/0xc0 [ 56.607409] softirqs last disabled at (11061): [] irq_exit_rcu+0x93/0xc0 [ 56.608497] ---[ end trace 0000000000000000 ]--- executing program [ 58.177273] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.224856] Bluetooth: hci0: command 0x041b tx timeout [ 62.272830] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.320921] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:50:39 Registers: info registers vcpu 0 RAX=0000000000024911 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=00000206 [-----P-] 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=00007f38b8e6ede0 CR3=0000000016280000 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=2033343a30353a33322037312079614d XMM01=5d3134383438342e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000073 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f8175e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000073 R11=0000000000000001 R12=0000000000000073 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 0000555555959400 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=00007fdea7dd36f4 CR3=000000000c698000 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