Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32991' (ECDSA) to the list of known hosts. 2023/05/16 19:01:22 fuzzer started 2023/05/16 19:01:23 dialing manager at localhost:35573 2023/05/16 19:01:23 checking machine... 2023/05/16 19:01:23 checking revisions... syzkaller login: [ 29.970443] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:01:23 testing simple program... [ 30.031549] cgroup: Unknown subsys name 'net' [ 30.107818] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.943426] audit: type=1400 audit(1684263696.316:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.091096] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.094074] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.095452] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.098613] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.100137] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.101506] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.488723] ------------[ cut here ]------------ [ 44.489522] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.491721] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.493027] Modules linked in: [ 44.493597] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.498543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.499750] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.500541] 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 [ 44.502776] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 44.503498] RAX: 0000000000000000 RBX: ffff88800d06bc40 RCX: 0000000000000000 [ 44.504392] RDX: ffff888016069b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.505240] RBP: ffff88800d06bc54 R08: 0000000000000001 R09: 0000000000000000 [ 44.506165] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.507088] R13: ffffffff84e223a0 R14: ffff88800d06bc48 R15: ffffffff84d73340 [ 44.507990] FS: 0000555557029400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.509005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.509781] CR2: 00007f0bbae976f4 CR3: 0000000006896000 CR4: 0000000000350ef0 [ 44.510698] Call Trace: [ 44.511021] [ 44.511357] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.511963] ipv4_frags_init_net+0x269/0x440 [ 44.512554] ops_init+0xbb/0x6b0 [ 44.512991] setup_net+0x3d9/0x990 [ 44.513505] ? down_read_killable+0x1d7/0x4e0 [ 44.514095] ? __pfx_setup_net+0x10/0x10 [ 44.514645] ? copy_net_ns+0x17c/0x770 [ 44.515142] copy_net_ns+0x321/0x770 [ 44.515660] create_new_namespaces+0x3f6/0xb30 [ 44.516242] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.516901] ksys_unshare+0x44d/0x8e0 [ 44.517436] ? __pfx_ksys_unshare+0x10/0x10 [ 44.518002] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.518765] __x64_sys_unshare+0x31/0x40 [ 44.519320] do_syscall_64+0x3f/0x90 [ 44.519790] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.520472] RIP: 0033:0x7f14892d70d7 [ 44.520931] 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 [ 44.523100] RSP: 002b:00007ffe6d074e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.524065] RAX: ffffffffffffffda RBX: 00007ffe6d075448 RCX: 00007f14892d70d7 [ 44.524966] RDX: 00007f148934141f RSI: 00007ffe6d074da0 RDI: 0000000040000000 [ 44.525888] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6d074bb0 [ 44.526789] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14893e9bf0 [ 44.527694] R13: 00007ffe6d074ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.528619] [ 44.528919] irq event stamp: 8691 [ 44.529389] hardirqs last enabled at (8703): [] __up_console_sem+0x78/0x80 [ 44.530460] hardirqs last disabled at (8714): [] __up_console_sem+0x5d/0x80 [ 44.531532] softirqs last enabled at (8262): [] irq_exit_rcu+0x93/0xc0 [ 44.532602] softirqs last disabled at (8249): [] irq_exit_rcu+0x93/0xc0 [ 44.533705] ---[ end trace 0000000000000000 ]--- [ 44.539858] ------------[ cut here ]------------ [ 44.540482] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.542252] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.543376] Modules linked in: [ 44.543778] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.544945] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.545982] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.546659] 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 [ 44.548855] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 44.549555] RAX: 0000000000000000 RBX: ffff888009fafc40 RCX: 0000000000000000 [ 44.550460] RDX: ffff888016069b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.551382] RBP: ffff888009fafc54 R08: 0000000000000001 R09: 0000000000000000 [ 44.552236] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.553435] R13: ffffffff84e223a0 R14: ffff888009fafc48 R15: ffffffff84da62e0 [ 44.554574] FS: 0000555557029400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.555817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.556745] CR2: 00007f0bbae976f4 CR3: 0000000006896000 CR4: 0000000000350ef0 [ 44.557904] Call Trace: [ 44.558366] [ 44.558738] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.559545] ipv6_frags_init_net+0x206/0x3c0 [ 44.560294] ops_init+0xbb/0x6b0 [ 44.560855] setup_net+0x3d9/0x990 [ 44.561468] ? down_read_killable+0x1d7/0x4e0 [ 44.562195] ? __pfx_setup_net+0x10/0x10 [ 44.562877] ? copy_net_ns+0x17c/0x770 [ 44.563556] copy_net_ns+0x321/0x770 [ 44.564159] create_new_namespaces+0x3f6/0xb30 [ 44.564982] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.565667] ksys_unshare+0x44d/0x8e0 [ 44.566183] ? __pfx_ksys_unshare+0x10/0x10 [ 44.566777] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.567520] __x64_sys_unshare+0x31/0x40 [ 44.568032] do_syscall_64+0x3f/0x90 [ 44.568553] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.569186] RIP: 0033:0x7f14892d70d7 [ 44.569746] 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 [ 44.571913] RSP: 002b:00007ffe6d074e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.572861] RAX: ffffffffffffffda RBX: 00007ffe6d075448 RCX: 00007f14892d70d7 [ 44.573769] RDX: 00007f148934141f RSI: 00007ffe6d074da0 RDI: 0000000040000000 [ 44.574690] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6d074bb0 [ 44.575585] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14893e9bf0 [ 44.576484] R13: 00007ffe6d074ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.577392] [ 44.577709] irq event stamp: 10413 [ 44.578149] hardirqs last enabled at (10423): [] __up_console_sem+0x78/0x80 [ 44.579248] hardirqs last disabled at (10434): [] __up_console_sem+0x5d/0x80 [ 44.580350] softirqs last enabled at (9902): [] irq_exit_rcu+0x93/0xc0 [ 44.581396] softirqs last disabled at (9879): [] irq_exit_rcu+0x93/0xc0 [ 44.582443] ---[ end trace 0000000000000000 ]--- [ 44.583796] ------------[ cut here ]------------ [ 44.584413] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.586370] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.587550] Modules linked in: [ 44.587951] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.589130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.590167] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.590872] 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 [ 44.593076] RSP: 0018:ffff88801f407bf0 EFLAGS: 00010286 [ 44.593797] RAX: 0000000000000000 RBX: ffff888009faf640 RCX: 0000000000000000 [ 44.594714] RDX: ffff888016069b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.595637] RBP: ffff888009faf654 R08: 0000000000000001 R09: 0000000000000000 [ 44.596532] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.597428] R13: ffffffff84e223a0 R14: ffff888009faf648 R15: ffffffff84daf020 [ 44.598342] FS: 0000555557029400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.599365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.600060] CR2: 00007f0bbae976f4 CR3: 0000000006896000 CR4: 0000000000350ef0 [ 44.600966] Call Trace: [ 44.601332] [ 44.601631] nf_ct_net_init+0x224/0x3d0 [ 44.602173] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.602782] ops_init+0xbb/0x6b0 [ 44.603223] setup_net+0x3d9/0x990 [ 44.603723] ? down_read_killable+0x1d7/0x4e0 [ 44.604340] ? __pfx_setup_net+0x10/0x10 [ 44.604850] ? copy_net_ns+0x17c/0x770 [ 44.605398] copy_net_ns+0x321/0x770 [ 44.605901] create_new_namespaces+0x3f6/0xb30 [ 44.606528] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.607133] ksys_unshare+0x44d/0x8e0 [ 44.607682] ? __pfx_ksys_unshare+0x10/0x10 [ 44.608232] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.608986] __x64_sys_unshare+0x31/0x40 [ 44.609547] do_syscall_64+0x3f/0x90 [ 44.610027] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.610708] RIP: 0033:0x7f14892d70d7 [ 44.611170] 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 [ 44.613357] RSP: 002b:00007ffe6d074e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.614360] RAX: ffffffffffffffda RBX: 00007ffe6d075448 RCX: 00007f14892d70d7 [ 44.615221] RDX: 00007f148934141f RSI: 00007ffe6d074da0 RDI: 0000000040000000 [ 44.616159] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6d074bb0 [ 44.617063] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14893e9bf0 [ 44.617968] R13: 00007ffe6d074ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.618888] [ 44.619186] irq event stamp: 11165 [ 44.619665] hardirqs last enabled at (11177): [] __up_console_sem+0x78/0x80 [ 44.620728] hardirqs last disabled at (11188): [] __up_console_sem+0x5d/0x80 [ 44.621838] softirqs last enabled at (10818): [] irq_exit_rcu+0x93/0xc0 [ 44.622887] softirqs last disabled at (10813): [] irq_exit_rcu+0x93/0xc0 [ 44.623937] ---[ end trace 0000000000000000 ]--- executing program [ 46.175965] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.223364] Bluetooth: hci0: command 0x041b tx timeout [ 50.271330] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.319333] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:01:36 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f4075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555557029400 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=00007f0bbae976f4 CR3=0000000006896000 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=00000000000261ff 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=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=00007f7744c7a1d0 CR3=000000000de5a000 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=4dae70e591c4f7b2c1452607c2fc2613 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0821b52d6a3fb991000000000013bfc8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0e4d62429a8c659d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000