Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17038' (ECDSA) to the list of known hosts. 2023/05/16 11:51:06 fuzzer started 2023/05/16 11:51:06 dialing manager at localhost:35573 2023/05/16 11:51:06 checking machine... 2023/05/16 11:51:06 checking revisions... syzkaller login: [ 36.903836] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:51:06 testing simple program... [ 36.992018] cgroup: Unknown subsys name 'net' [ 37.107819] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 48.740576] audit: type=1400 audit(1684237878.434:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 49.835991] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.839164] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.841011] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.844522] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.845950] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.848657] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.258893] ------------[ cut here ]------------ [ 50.259688] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.261762] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.263060] Modules linked in: [ 50.263547] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.267863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.268911] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.269597] 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 [ 50.271801] RSP: 0018:ffff8880199dfc00 EFLAGS: 00010282 [ 50.272505] RAX: 0000000000000000 RBX: ffff88800e073040 RCX: 0000000000000000 [ 50.273406] RDX: ffff8880161b0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.274322] RBP: ffff88800e073054 R08: 0000000000000001 R09: 0000000000000000 [ 50.275218] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.276106] R13: ffffffff84e223a0 R14: ffff88800e073048 R15: ffffffff84d73340 [ 50.276969] FS: 0000555556b0c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.277981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.278716] CR2: 00007f473713dc20 CR3: 000000000db2a000 CR4: 0000000000350ef0 [ 50.279609] Call Trace: [ 50.279934] [ 50.280270] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.280881] ipv4_frags_init_net+0x269/0x440 [ 50.281470] ops_init+0xbb/0x6b0 [ 50.281921] setup_net+0x3d9/0x990 [ 50.282404] ? down_read_killable+0x1d7/0x4e0 [ 50.282973] ? __pfx_setup_net+0x10/0x10 [ 50.283522] ? copy_net_ns+0x17c/0x770 [ 50.284067] copy_net_ns+0x321/0x770 [ 50.284564] create_new_namespaces+0x3f6/0xb30 [ 50.285191] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.285837] ksys_unshare+0x44d/0x8e0 [ 50.286375] ? __pfx_ksys_unshare+0x10/0x10 [ 50.286926] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.287669] __x64_sys_unshare+0x31/0x40 [ 50.288231] do_syscall_64+0x3f/0x90 [ 50.288718] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.289400] RIP: 0033:0x7efeb68fe0d7 [ 50.289876] 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 [ 50.292088] RSP: 002b:00007ffc479ae8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.293004] RAX: ffffffffffffffda RBX: 00007ffc479aef38 RCX: 00007efeb68fe0d7 [ 50.293913] RDX: 00007efeb696841f RSI: 00007ffc479ae890 RDI: 0000000040000000 [ 50.294798] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc479ae6a0 [ 50.295683] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efeb6a10bf0 [ 50.296560] R13: 00007ffc479ae9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.297493] [ 50.297803] irq event stamp: 7653 [ 50.298268] hardirqs last enabled at (7665): [] __up_console_sem+0x78/0x80 [ 50.299325] hardirqs last disabled at (7676): [] __up_console_sem+0x5d/0x80 [ 50.300373] softirqs last enabled at (7586): [] irq_exit_rcu+0x93/0xc0 [ 50.301397] softirqs last disabled at (7581): [] irq_exit_rcu+0x93/0xc0 [ 50.302437] ---[ end trace 0000000000000000 ]--- [ 50.308188] ------------[ cut here ]------------ [ 50.308771] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.310606] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.311669] Modules linked in: [ 50.312112] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.313272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.314309] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.314955] 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 [ 50.317118] RSP: 0018:ffff8880199dfc00 EFLAGS: 00010282 [ 50.317791] RAX: 0000000000000000 RBX: ffff88800df37c40 RCX: 0000000000000000 [ 50.318695] RDX: ffff8880161b0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.319587] RBP: ffff88800df37c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.320490] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.321401] R13: ffffffff84e223a0 R14: ffff88800df37c48 R15: ffffffff84da62e0 [ 50.322321] FS: 0000555556b0c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.323332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.324083] CR2: 00007f473713dc20 CR3: 000000000db2a000 CR4: 0000000000350ef0 [ 50.324951] Call Trace: [ 50.325321] [ 50.325630] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.326274] ipv6_frags_init_net+0x206/0x3c0 [ 50.326828] ops_init+0xbb/0x6b0 [ 50.327305] setup_net+0x3d9/0x990 [ 50.327757] ? down_read_killable+0x1d7/0x4e0 [ 50.328356] ? __pfx_setup_net+0x10/0x10 [ 50.328861] ? copy_net_ns+0x17c/0x770 [ 50.329391] copy_net_ns+0x321/0x770 [ 50.329877] create_new_namespaces+0x3f6/0xb30 [ 50.330492] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.331150] ksys_unshare+0x44d/0x8e0 [ 50.331648] ? __pfx_ksys_unshare+0x10/0x10 [ 50.332220] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.332931] __x64_sys_unshare+0x31/0x40 [ 50.333498] do_syscall_64+0x3f/0x90 [ 50.333976] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.334651] RIP: 0033:0x7efeb68fe0d7 [ 50.335140] 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 [ 50.337329] RSP: 002b:00007ffc479ae8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.338290] RAX: ffffffffffffffda RBX: 00007ffc479aef38 RCX: 00007efeb68fe0d7 [ 50.339173] RDX: 00007efeb696841f RSI: 00007ffc479ae890 RDI: 0000000040000000 [ 50.340056] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc479ae6a0 [ 50.340918] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efeb6a10bf0 [ 50.341823] R13: 00007ffc479ae9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.342749] [ 50.343085] irq event stamp: 9375 [ 50.343509] hardirqs last enabled at (9385): [] __up_console_sem+0x78/0x80 [ 50.344561] hardirqs last disabled at (9396): [] __up_console_sem+0x5d/0x80 [ 50.345637] softirqs last enabled at (8594): [] irq_exit_rcu+0x93/0xc0 [ 50.346665] softirqs last disabled at (8575): [] irq_exit_rcu+0x93/0xc0 [ 50.347688] ---[ end trace 0000000000000000 ]--- [ 50.349015] ------------[ cut here ]------------ [ 50.349644] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.351495] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.352552] Modules linked in: [ 50.352958] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.354155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.355170] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.355804] 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 [ 50.357985] RSP: 0018:ffff8880199dfbf0 EFLAGS: 00010286 [ 50.358660] RAX: 0000000000000000 RBX: ffff88800f509440 RCX: 0000000000000000 [ 50.359562] RDX: ffff8880161b0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.360462] RBP: ffff88800f509454 R08: 0000000000000001 R09: 0000000000000000 [ 50.361359] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.362247] R13: ffffffff84e223a0 R14: ffff88800f509448 R15: ffffffff84daf020 [ 50.363140] FS: 0000555556b0c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.364139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.364852] CR2: 00007f473713dc20 CR3: 000000000db2a000 CR4: 0000000000350ef0 [ 50.365766] Call Trace: [ 50.366130] [ 50.366439] nf_ct_net_init+0x224/0x3d0 [ 50.366953] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.367563] ops_init+0xbb/0x6b0 [ 50.368006] setup_net+0x3d9/0x990 [ 50.368489] ? down_read_killable+0x1d7/0x4e0 [ 50.369079] ? __pfx_setup_net+0x10/0x10 [ 50.369600] ? copy_net_ns+0x17c/0x770 [ 50.370140] copy_net_ns+0x321/0x770 [ 50.370629] create_new_namespaces+0x3f6/0xb30 [ 50.371243] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.371864] ksys_unshare+0x44d/0x8e0 [ 50.372386] ? __pfx_ksys_unshare+0x10/0x10 [ 50.372930] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.373704] __x64_sys_unshare+0x31/0x40 [ 50.374252] do_syscall_64+0x3f/0x90 [ 50.374728] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.375405] RIP: 0033:0x7efeb68fe0d7 [ 50.375867] 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 [ 50.378053] RSP: 002b:00007ffc479ae8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.378968] RAX: ffffffffffffffda RBX: 00007ffc479aef38 RCX: 00007efeb68fe0d7 [ 50.379844] RDX: 00007efeb696841f RSI: 00007ffc479ae890 RDI: 0000000040000000 [ 50.380726] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc479ae6a0 [ 50.381641] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efeb6a10bf0 [ 50.382523] R13: 00007ffc479ae9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.383428] [ 50.383728] irq event stamp: 10129 [ 50.384192] hardirqs last enabled at (10141): [] __up_console_sem+0x78/0x80 [ 50.385280] hardirqs last disabled at (10152): [] __up_console_sem+0x5d/0x80 [ 50.386391] softirqs last enabled at (9704): [] irq_exit_rcu+0x93/0xc0 [ 50.387439] softirqs last disabled at (9699): [] irq_exit_rcu+0x93/0xc0 [ 50.388493] ---[ end trace 0000000000000000 ]--- executing program [ 51.924677] Bluetooth: hci0: command 0x0409 tx timeout [ 53.972112] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.020105] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.068150] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 11:51:19 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880199df5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556b0c400 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=00007f473713dc20 CR3=000000000db2a000 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=000000000002d06b 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=00007f4737104780 CR3=000000000ed94000 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=2039313a31353a31312036312079614d XMM01=5d3734353336322e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000