Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:24656' (ECDSA) to the list of known hosts. 2023/05/17 19:50:13 fuzzer started 2023/05/17 19:50:13 dialing manager at localhost:44319 2023/05/17 19:50:13 checking machine... 2023/05/17 19:50:13 checking revisions... syzkaller login: [ 55.155410] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:50:13 testing simple program... [ 55.228668] cgroup: Unknown subsys name 'net' [ 55.307691] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.179765] audit: type=1400 audit(1684353025.955:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.292514] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.294981] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.296257] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.299421] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.300877] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.303595] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.687422] ------------[ cut here ]------------ [ 68.688352] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.690478] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.691782] Modules linked in: [ 68.692411] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 68.697508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.698848] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.699736] 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 [ 68.702638] RSP: 0018:ffff88800f4dfc00 EFLAGS: 00010282 [ 68.703542] RAX: 0000000000000000 RBX: ffff888015af8440 RCX: 0000000000000000 [ 68.704712] RDX: ffff88801a369b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.705905] RBP: ffff888015af8454 R08: 0000000000000001 R09: 0000000000000000 [ 68.707137] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.708300] R13: ffffffff84e23fe0 R14: ffff888015af8448 R15: ffffffff84d74dc0 [ 68.709481] FS: 00005555563ba400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.710772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.711732] CR2: 00007f68182586f4 CR3: 000000000b88c000 CR4: 0000000000350ef0 [ 68.712885] Call Trace: [ 68.713345] [ 68.713729] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.714569] ipv4_frags_init_net+0x269/0x440 [ 68.715357] ops_init+0xbb/0x6b0 [ 68.715925] setup_net+0x3d9/0x990 [ 68.716556] ? down_read_killable+0x1d7/0x4e0 [ 68.717334] ? __pfx_setup_net+0x10/0x10 [ 68.717996] ? copy_net_ns+0x17c/0x770 [ 68.718686] copy_net_ns+0x321/0x770 [ 68.719340] create_new_namespaces+0x3f6/0xb30 [ 68.720091] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.720918] ksys_unshare+0x44d/0x8e0 [ 68.721617] ? __pfx_ksys_unshare+0x10/0x10 [ 68.722363] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.723317] __x64_sys_unshare+0x31/0x40 [ 68.723976] do_syscall_64+0x3f/0x90 [ 68.724635] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.725513] RIP: 0033:0x7f73e743a0d7 [ 68.726149] 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 [ 68.728996] RSP: 002b:00007ffc81f6a5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.730257] RAX: ffffffffffffffda RBX: 00007ffc81f6abe8 RCX: 00007f73e743a0d7 [ 68.731336] RDX: 00007f73e74a441f RSI: 00007ffc81f6a540 RDI: 0000000040000000 [ 68.732383] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc81f6a350 [ 68.733450] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73e754cbf0 [ 68.734503] R13: 00007ffc81f6a680 R14: 0000000000000000 R15: 00000000000000f8 [ 68.735568] [ 68.735921] irq event stamp: 8945 [ 68.736450] hardirqs last enabled at (8957): [] __up_console_sem+0x78/0x80 [ 68.737696] hardirqs last disabled at (8968): [] __up_console_sem+0x5d/0x80 [ 68.738936] softirqs last enabled at (8918): [] irq_exit_rcu+0x93/0xc0 [ 68.740145] softirqs last disabled at (8913): [] irq_exit_rcu+0x93/0xc0 [ 68.741408] ---[ end trace 0000000000000000 ]--- [ 68.747723] ------------[ cut here ]------------ [ 68.748523] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.750533] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.751771] Modules linked in: [ 68.752274] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 68.753636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.754824] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.755603] 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 [ 68.757956] RSP: 0018:ffff88800f4dfc00 EFLAGS: 00010282 [ 68.758409] RAX: 0000000000000000 RBX: ffff88800c6a7440 RCX: 0000000000000000 [ 68.758969] RDX: ffff88801a369b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.759548] RBP: ffff88800c6a7454 R08: 0000000000000001 R09: 0000000000000000 [ 68.760101] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.760681] R13: ffffffff84e23fe0 R14: ffff88800c6a7448 R15: ffffffff84da7d60 [ 68.761286] FS: 00005555563ba400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.762158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.763075] CR2: 00007f68182586f4 CR3: 000000000b88c000 CR4: 0000000000350ef0 [ 68.764248] Call Trace: [ 68.764681] [ 68.765077] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.765941] ipv6_frags_init_net+0x206/0x3c0 [ 68.766713] ops_init+0xbb/0x6b0 [ 68.767345] setup_net+0x3d9/0x990 [ 68.767932] ? down_read_killable+0x1d7/0x4e0 [ 68.768735] ? __pfx_setup_net+0x10/0x10 [ 68.769469] ? copy_net_ns+0x17c/0x770 [ 68.769963] copy_net_ns+0x321/0x770 [ 68.770285] create_new_namespaces+0x3f6/0xb30 [ 68.770657] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.771044] ksys_unshare+0x44d/0x8e0 [ 68.771381] ? __pfx_ksys_unshare+0x10/0x10 [ 68.771731] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.772213] __x64_sys_unshare+0x31/0x40 [ 68.772544] do_syscall_64+0x3f/0x90 [ 68.772857] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.773304] RIP: 0033:0x7f73e743a0d7 [ 68.773600] 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 [ 68.775026] RSP: 002b:00007ffc81f6a5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.775647] RAX: ffffffffffffffda RBX: 00007ffc81f6abe8 RCX: 00007f73e743a0d7 [ 68.776236] RDX: 00007f73e74a441f RSI: 00007ffc81f6a540 RDI: 0000000040000000 [ 68.776796] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc81f6a350 [ 68.777380] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73e754cbf0 [ 68.777922] R13: 00007ffc81f6a680 R14: 0000000000000000 R15: 00000000000000f8 [ 68.778507] [ 68.778702] irq event stamp: 10893 [ 68.778974] hardirqs last enabled at (10903): [] __up_console_sem+0x78/0x80 [ 68.779655] hardirqs last disabled at (10914): [] __up_console_sem+0x5d/0x80 [ 68.780329] softirqs last enabled at (10384): [] irq_exit_rcu+0x93/0xc0 [ 68.780964] softirqs last disabled at (10365): [] irq_exit_rcu+0x93/0xc0 [ 68.781634] ---[ end trace 0000000000000000 ]--- [ 68.782671] ------------[ cut here ]------------ [ 68.783056] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.784915] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.785646] Modules linked in: [ 68.785915] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 68.786694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.787351] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.787771] 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 [ 68.789194] RSP: 0018:ffff88800f4dfbf0 EFLAGS: 00010286 [ 68.789637] RAX: 0000000000000000 RBX: ffff88800c6a7a40 RCX: 0000000000000000 [ 68.790221] RDX: ffff88801a369b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.790770] RBP: ffff88800c6a7a54 R08: 0000000000000001 R09: 0000000000000000 [ 68.791350] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.791896] R13: ffffffff84e23fe0 R14: ffff88800c6a7a48 R15: ffffffff84db0aa0 [ 68.792463] FS: 00005555563ba400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.793077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.793574] CR2: 00007f68182586f4 CR3: 000000000b88c000 CR4: 0000000000350ef0 [ 68.794135] Call Trace: [ 68.794346] [ 68.794536] nf_ct_net_init+0x224/0x3d0 [ 68.794863] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.795290] ops_init+0xbb/0x6b0 [ 68.795580] setup_net+0x3d9/0x990 [ 68.795871] ? down_read_killable+0x1d7/0x4e0 [ 68.796259] ? __pfx_setup_net+0x10/0x10 [ 68.796592] ? copy_net_ns+0x17c/0x770 [ 68.796915] copy_net_ns+0x321/0x770 [ 68.797274] create_new_namespaces+0x3f6/0xb30 [ 68.797642] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.798031] ksys_unshare+0x44d/0x8e0 [ 68.798364] ? __pfx_ksys_unshare+0x10/0x10 [ 68.798720] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.799185] __x64_sys_unshare+0x31/0x40 [ 68.799522] do_syscall_64+0x3f/0x90 [ 68.799831] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.800270] RIP: 0033:0x7f73e743a0d7 [ 68.800574] 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 [ 68.801972] RSP: 002b:00007ffc81f6a5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.802582] RAX: ffffffffffffffda RBX: 00007ffc81f6abe8 RCX: 00007f73e743a0d7 [ 68.803166] RDX: 00007f73e74a441f RSI: 00007ffc81f6a540 RDI: 0000000040000000 [ 68.803723] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc81f6a350 [ 68.804303] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73e754cbf0 [ 68.804892] R13: 00007ffc81f6a680 R14: 0000000000000000 R15: 00000000000000f8 [ 68.805530] [ 68.805734] irq event stamp: 11711 [ 68.806015] hardirqs last enabled at (11721): [] __up_console_sem+0x78/0x80 [ 68.806730] hardirqs last disabled at (11732): [] __up_console_sem+0x5d/0x80 [ 68.807450] softirqs last enabled at (11652): [] irq_exit_rcu+0x93/0xc0 [ 68.808150] softirqs last disabled at (11643): [] irq_exit_rcu+0x93/0xc0 [ 68.808826] ---[ end trace 0000000000000000 ]--- executing program [ 70.380911] Bluetooth: hci0: command 0x0409 tx timeout [ 72.427200] Bluetooth: hci0: command 0x041b tx timeout executing program [ 74.476197] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.523206] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 19:50:01 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f4df5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555563ba400 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=00007f68182586f4 CR3=000000000b88c000 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=000000000001f8e1 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=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 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=00007f7c8035c350 CR3=000000000d8e6000 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=2037323a30353a39312037312079614d XMM01=5d3131343239362e38362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000