Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28734' (ECDSA) to the list of known hosts. 2023/05/16 22:13:51 fuzzer started 2023/05/16 22:13:51 dialing manager at localhost:35573 2023/05/16 22:13:51 checking machine... 2023/05/16 22:13:51 checking revisions... syzkaller login: [ 51.858922] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:13:51 testing simple program... [ 51.928478] cgroup: Unknown subsys name 'net' [ 52.004223] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.959126] audit: type=1400 audit(1684275244.791:6): avc: denied { execmem } for pid=267 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 66.051029] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.053116] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.055512] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.058718] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.060459] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.061586] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.451533] ------------[ cut here ]------------ [ 66.452352] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.454532] WARNING: CPU: 0 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.455706] Modules linked in: [ 66.456248] CPU: 0 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.461065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.462162] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.462934] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.465193] RSP: 0018:ffff88801939fc00 EFLAGS: 00010282 [ 66.465964] RAX: 0000000000000000 RBX: ffff88800e720040 RCX: 0000000000000000 [ 66.466954] RDX: ffff888015a8d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.467930] RBP: ffff88800e720054 R08: 0000000000000001 R09: 0000000000000000 [ 66.468872] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.469715] R13: ffffffff84e223a0 R14: ffff88800e720048 R15: ffffffff84d73340 [ 66.470600] FS: 0000555556204400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.471621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.472361] CR2: 00007f4c4715e6f4 CR3: 00000000191f4000 CR4: 0000000000350ef0 [ 66.473252] Call Trace: [ 66.473582] [ 66.473911] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.474515] ipv4_frags_init_net+0x269/0x440 [ 66.475116] ops_init+0xbb/0x6b0 [ 66.475556] setup_net+0x3d9/0x990 [ 66.476038] ? down_read_killable+0x1d7/0x4e0 [ 66.476600] ? __pfx_setup_net+0x10/0x10 [ 66.477138] ? copy_net_ns+0x17c/0x770 [ 66.477640] copy_net_ns+0x321/0x770 [ 66.478144] create_new_namespaces+0x3f6/0xb30 [ 66.478732] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.479402] ksys_unshare+0x44d/0x8e0 [ 66.479926] ? __pfx_ksys_unshare+0x10/0x10 [ 66.480472] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.481213] __x64_sys_unshare+0x31/0x40 [ 66.481730] do_syscall_64+0x3f/0x90 [ 66.482234] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.482905] RIP: 0033:0x7f9c4a40b0d7 [ 66.483368] 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 [ 66.485512] RSP: 002b:00007ffed9372028 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.486456] RAX: ffffffffffffffda RBX: 00007ffed9372668 RCX: 00007f9c4a40b0d7 [ 66.487346] RDX: 00007f9c4a47541f RSI: 00007ffed9371fc0 RDI: 0000000040000000 [ 66.488235] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9371dd0 [ 66.489116] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9c4a51dbf0 [ 66.490005] R13: 00007ffed9372100 R14: 0000000000000000 R15: 00000000000000f8 [ 66.490925] [ 66.491225] irq event stamp: 9207 [ 66.491649] hardirqs last enabled at (9217): [] __up_console_sem+0x78/0x80 [ 66.492691] hardirqs last disabled at (9228): [] __up_console_sem+0x5d/0x80 [ 66.493738] softirqs last enabled at (8834): [] irq_exit_rcu+0x93/0xc0 [ 66.494792] softirqs last disabled at (8813): [] irq_exit_rcu+0x93/0xc0 [ 66.495836] ---[ end trace 0000000000000000 ]--- [ 66.502417] ------------[ cut here ]------------ [ 66.503309] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.505138] WARNING: CPU: 0 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.506207] Modules linked in: [ 66.506619] CPU: 0 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.507805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.508820] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.509463] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.511656] RSP: 0018:ffff88801939fc00 EFLAGS: 00010282 [ 66.512341] RAX: 0000000000000000 RBX: ffff888008efc840 RCX: 0000000000000000 [ 66.513229] RDX: ffff888015a8d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.514128] RBP: ffff888008efc854 R08: 0000000000000001 R09: 0000000000000000 [ 66.515031] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.515922] R13: ffffffff84e223a0 R14: ffff888008efc848 R15: ffffffff84da62e0 [ 66.516814] FS: 0000555556204400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.517804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.518509] CR2: 00007f4c4715e6f4 CR3: 00000000191f4000 CR4: 0000000000350ef0 [ 66.519415] Call Trace: [ 66.519774] [ 66.520078] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.520682] ipv6_frags_init_net+0x206/0x3c0 [ 66.521275] ops_init+0xbb/0x6b0 [ 66.521720] setup_net+0x3d9/0x990 [ 66.522207] ? down_read_killable+0x1d7/0x4e0 [ 66.522810] ? __pfx_setup_net+0x10/0x10 [ 66.523323] ? copy_net_ns+0x17c/0x770 [ 66.523867] copy_net_ns+0x321/0x770 [ 66.524356] create_new_namespaces+0x3f6/0xb30 [ 66.524975] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.525586] ksys_unshare+0x44d/0x8e0 [ 66.526113] ? __pfx_ksys_unshare+0x10/0x10 [ 66.526656] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.527421] __x64_sys_unshare+0x31/0x40 [ 66.527978] do_syscall_64+0x3f/0x90 [ 66.528451] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.529125] RIP: 0033:0x7f9c4a40b0d7 [ 66.529592] 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 [ 66.531778] RSP: 002b:00007ffed9372028 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.532702] RAX: ffffffffffffffda RBX: 00007ffed9372668 RCX: 00007f9c4a40b0d7 [ 66.533601] RDX: 00007f9c4a47541f RSI: 00007ffed9371fc0 RDI: 0000000040000000 [ 66.534519] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9371dd0 [ 66.535466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9c4a51dbf0 [ 66.536357] R13: 00007ffed9372100 R14: 0000000000000000 R15: 00000000000000f8 [ 66.537294] [ 66.537595] irq event stamp: 11299 [ 66.538059] hardirqs last enabled at (11311): [] __up_console_sem+0x78/0x80 [ 66.539152] hardirqs last disabled at (11322): [] __up_console_sem+0x5d/0x80 [ 66.540232] softirqs last enabled at (11246): [] irq_exit_rcu+0x93/0xc0 [ 66.541269] softirqs last disabled at (11241): [] irq_exit_rcu+0x93/0xc0 [ 66.542331] ---[ end trace 0000000000000000 ]--- [ 66.543679] ------------[ cut here ]------------ [ 66.544323] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.546247] WARNING: CPU: 0 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.547330] Modules linked in: [ 66.547775] CPU: 0 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.548939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.549952] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.550588] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.552793] RSP: 0018:ffff88801939fbf0 EFLAGS: 00010286 [ 66.553451] RAX: 0000000000000000 RBX: ffff888008efd240 RCX: 0000000000000000 [ 66.554345] RDX: ffff888015a8d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.555249] RBP: ffff888008efd254 R08: 0000000000000001 R09: 0000000000000000 [ 66.556150] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.557052] R13: ffffffff84e223a0 R14: ffff888008efd248 R15: ffffffff84daf020 [ 66.557951] FS: 0000555556204400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.558960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.559670] CR2: 00007f4c4715e6f4 CR3: 00000000191f4000 CR4: 0000000000350ef0 [ 66.560560] Call Trace: [ 66.560920] [ 66.561221] nf_ct_net_init+0x224/0x3d0 [ 66.561734] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.562353] ops_init+0xbb/0x6b0 [ 66.562828] setup_net+0x3d9/0x990 [ 66.563295] ? down_read_killable+0x1d7/0x4e0 [ 66.563898] ? __pfx_setup_net+0x10/0x10 [ 66.564402] ? copy_net_ns+0x17c/0x770 [ 66.564934] copy_net_ns+0x321/0x770 [ 66.565418] create_new_namespaces+0x3f6/0xb30 [ 66.566036] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.566648] ksys_unshare+0x44d/0x8e0 [ 66.567202] ? __pfx_ksys_unshare+0x10/0x10 [ 66.567785] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.568491] __x64_sys_unshare+0x31/0x40 [ 66.569042] do_syscall_64+0x3f/0x90 [ 66.569518] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.570190] RIP: 0033:0x7f9c4a40b0d7 [ 66.570656] 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 [ 66.572833] RSP: 002b:00007ffed9372028 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.573738] RAX: ffffffffffffffda RBX: 00007ffed9372668 RCX: 00007f9c4a40b0d7 [ 66.574629] RDX: 00007f9c4a47541f RSI: 00007ffed9371fc0 RDI: 0000000040000000 [ 66.575522] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9371dd0 [ 66.576410] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9c4a51dbf0 [ 66.577302] R13: 00007ffed9372100 R14: 0000000000000000 R15: 00000000000000f8 [ 66.578211] [ 66.578521] irq event stamp: 12083 [ 66.579012] hardirqs last enabled at (12095): [] __up_console_sem+0x78/0x80 [ 66.580099] hardirqs last disabled at (12106): [] __up_console_sem+0x5d/0x80 [ 66.581170] softirqs last enabled at (11810): [] irq_exit_rcu+0x93/0xc0 [ 66.582216] softirqs last disabled at (11805): [] irq_exit_rcu+0x93/0xc0 [ 66.583278] ---[ end trace 0000000000000000 ]--- executing program [ 68.134959] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 70.181825] Bluetooth: hci0: command 0x041b tx timeout [ 72.229837] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.277928] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:13:50 Registers: info registers vcpu 0 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801939f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555556204400 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=00007f4c4715e6f4 CR3=00000000191f4000 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=00000000000530bf RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f4e1760d4b0 CR3=00000000102da000 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=2036303a34313a32322036312079614d XMM01=5d3834323635342e36362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000