Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:56879' (ECDSA) to the list of known hosts. 2023/05/17 07:49:39 fuzzer started 2023/05/17 07:49:39 dialing manager at localhost:35573 2023/05/17 07:49:39 checking machine... 2023/05/17 07:49:39 checking revisions... syzkaller login: [ 42.224449] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:49:39 testing simple program... [ 42.293409] cgroup: Unknown subsys name 'net' [ 42.375658] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.031594] audit: type=1400 audit(1684309792.542:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 56.104227] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.106878] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.110223] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.113494] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.116503] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.117745] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.527270] ------------[ cut here ]------------ [ 56.527991] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.530126] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.531207] Modules linked in: [ 56.531619] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.536894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.538034] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.538678] 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 [ 56.540955] RSP: 0018:ffff88801a66fc00 EFLAGS: 00010282 [ 56.541616] RAX: 0000000000000000 RBX: ffff888016582040 RCX: 0000000000000000 [ 56.542652] RDX: ffff8880159bd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.543670] RBP: ffff888016582054 R08: 0000000000000001 R09: 0000000000000000 [ 56.544650] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.545647] R13: ffffffff84e223a0 R14: ffff888016582048 R15: ffffffff84d73340 [ 56.546676] FS: 0000555555cfc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.547847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.548564] CR2: 00007feca44046f4 CR3: 0000000016a28000 CR4: 0000000000350ee0 [ 56.549566] Call Trace: [ 56.549939] [ 56.550242] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.550892] ipv4_frags_init_net+0x269/0x440 [ 56.551453] ops_init+0xbb/0x6b0 [ 56.551933] setup_net+0x3d9/0x990 [ 56.552382] ? down_read_killable+0x1d7/0x4e0 [ 56.552989] ? __pfx_setup_net+0x10/0x10 [ 56.553504] ? copy_net_ns+0x17c/0x770 [ 56.554046] copy_net_ns+0x321/0x770 [ 56.554524] create_new_namespaces+0x3f6/0xb30 [ 56.555147] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.555764] ksys_unshare+0x44d/0x8e0 [ 56.556294] ? __pfx_ksys_unshare+0x10/0x10 [ 56.556879] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.557626] __x64_sys_unshare+0x31/0x40 [ 56.558186] do_syscall_64+0x3f/0x90 [ 56.558663] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.559345] RIP: 0033:0x7fa23b43b0d7 [ 56.559846] 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 [ 56.562027] RSP: 002b:00007ffd3769f9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.562986] RAX: ffffffffffffffda RBX: 00007ffd376a0008 RCX: 00007fa23b43b0d7 [ 56.563884] RDX: 00007fa23b4a541f RSI: 00007ffd3769f960 RDI: 0000000040000000 [ 56.564733] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3769f770 [ 56.565634] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa23b54dbf0 [ 56.566519] R13: 00007ffd3769faa0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.567432] [ 56.567747] irq event stamp: 9149 [ 56.568211] hardirqs last enabled at (9161): [] __up_console_sem+0x78/0x80 [ 56.569293] hardirqs last disabled at (9172): [] __up_console_sem+0x5d/0x80 [ 56.570355] softirqs last enabled at (8846): [] irq_exit_rcu+0x93/0xc0 [ 56.571416] softirqs last disabled at (8841): [] irq_exit_rcu+0x93/0xc0 [ 56.572470] ---[ end trace 0000000000000000 ]--- [ 56.577634] ------------[ cut here ]------------ [ 56.578511] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.580254] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.581340] Modules linked in: [ 56.581757] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.582950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.583963] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.584612] 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 [ 56.586848] RSP: 0018:ffff88801a66fc00 EFLAGS: 00010282 [ 56.587503] RAX: 0000000000000000 RBX: ffff88800f0b0e40 RCX: 0000000000000000 [ 56.588404] RDX: ffff8880159bd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.589321] RBP: ffff88800f0b0e54 R08: 0000000000000001 R09: 0000000000000000 [ 56.590218] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.591113] R13: ffffffff84e223a0 R14: ffff88800f0b0e48 R15: ffffffff84da62e0 [ 56.592023] FS: 0000555555cfc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.593033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.593767] CR2: 00007feca44046f4 CR3: 0000000016a28000 CR4: 0000000000350ee0 [ 56.594682] Call Trace: [ 56.595044] [ 56.595349] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.596020] ipv6_frags_init_net+0x206/0x3c0 [ 56.596575] ops_init+0xbb/0x6b0 [ 56.597077] setup_net+0x3d9/0x990 [ 56.597537] ? down_read_killable+0x1d7/0x4e0 [ 56.598147] ? __pfx_setup_net+0x10/0x10 [ 56.598654] ? copy_net_ns+0x17c/0x770 [ 56.599196] copy_net_ns+0x321/0x770 [ 56.599683] create_new_namespaces+0x3f6/0xb30 [ 56.600309] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.600960] ksys_unshare+0x44d/0x8e0 [ 56.601468] ? __pfx_ksys_unshare+0x10/0x10 [ 56.602058] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.602785] __x64_sys_unshare+0x31/0x40 [ 56.603358] do_syscall_64+0x3f/0x90 [ 56.603873] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.604513] RIP: 0033:0x7fa23b43b0d7 [ 56.605008] 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 [ 56.607207] RSP: 002b:00007ffd3769f9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.608173] RAX: ffffffffffffffda RBX: 00007ffd376a0008 RCX: 00007fa23b43b0d7 [ 56.609083] RDX: 00007fa23b4a541f RSI: 00007ffd3769f960 RDI: 0000000040000000 [ 56.609979] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3769f770 [ 56.610878] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa23b54dbf0 [ 56.611738] R13: 00007ffd3769faa0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.612647] [ 56.612982] irq event stamp: 11059 [ 56.613420] hardirqs last enabled at (11069): [] __up_console_sem+0x78/0x80 [ 56.614500] hardirqs last disabled at (11080): [] __up_console_sem+0x5d/0x80 [ 56.615573] softirqs last enabled at (10916): [] irq_exit_rcu+0x93/0xc0 [ 56.616608] softirqs last disabled at (10907): [] irq_exit_rcu+0x93/0xc0 [ 56.617668] ---[ end trace 0000000000000000 ]--- [ 56.619086] ------------[ cut here ]------------ [ 56.619676] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.621707] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.622770] Modules linked in: [ 56.623210] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.624373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.625437] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.626120] 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 [ 56.628280] RSP: 0018:ffff88801a66fbf0 EFLAGS: 00010286 [ 56.628967] RAX: 0000000000000000 RBX: ffff88800f0b0440 RCX: 0000000000000000 [ 56.629877] RDX: ffff8880159bd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.630743] RBP: ffff88800f0b0454 R08: 0000000000000001 R09: 0000000000000000 [ 56.631635] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.632518] R13: ffffffff84e223a0 R14: ffff88800f0b0448 R15: ffffffff84daf020 [ 56.633430] FS: 0000555555cfc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.634433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.635185] CR2: 00007feca44046f4 CR3: 0000000016a28000 CR4: 0000000000350ee0 [ 56.636093] Call Trace: [ 56.636418] [ 56.636717] nf_ct_net_init+0x224/0x3d0 [ 56.637281] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.637891] ops_init+0xbb/0x6b0 [ 56.638333] setup_net+0x3d9/0x990 [ 56.638791] ? down_read_killable+0x1d7/0x4e0 [ 56.639392] ? __pfx_setup_net+0x10/0x10 [ 56.639932] ? copy_net_ns+0x17c/0x770 [ 56.640449] copy_net_ns+0x321/0x770 [ 56.640959] create_new_namespaces+0x3f6/0xb30 [ 56.641564] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.642249] ksys_unshare+0x44d/0x8e0 [ 56.642763] ? __pfx_ksys_unshare+0x10/0x10 [ 56.643377] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.644176] __x64_sys_unshare+0x31/0x40 [ 56.644722] do_syscall_64+0x3f/0x90 [ 56.645271] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.645976] RIP: 0033:0x7fa23b43b0d7 [ 56.646473] 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 [ 56.648815] RSP: 002b:00007ffd3769f9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.649840] RAX: ffffffffffffffda RBX: 00007ffd376a0008 RCX: 00007fa23b43b0d7 [ 56.650745] RDX: 00007fa23b4a541f RSI: 00007ffd3769f960 RDI: 0000000040000000 [ 56.651683] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3769f770 [ 56.652617] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa23b54dbf0 [ 56.653569] R13: 00007ffd3769faa0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.654534] [ 56.654884] irq event stamp: 11887 [ 56.655336] hardirqs last enabled at (11897): [] __up_console_sem+0x78/0x80 [ 56.656467] hardirqs last disabled at (11908): [] __up_console_sem+0x5d/0x80 [ 56.657625] softirqs last enabled at (11736): [] irq_exit_rcu+0x93/0xc0 [ 56.658727] softirqs last disabled at (11731): [] irq_exit_rcu+0x93/0xc0 [ 56.659841] ---[ end trace 0000000000000000 ]--- executing program [ 58.195413] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.243945] Bluetooth: hci0: command 0x041b tx timeout [ 62.290889] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.338938] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:49:48 Registers: info registers vcpu 0 RAX=000000000002b5b5 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f53c5762ad0 CR3=00000000094d4000 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=2034353a39343a37302037312079614d XMM01=5d3632313033352e36352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3632313033352e36352020205b XMM07=79732034353a39343a37302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a66f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555555cfc400 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=00007feca44046f4 CR3=0000000016a28000 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