Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:16967' (ECDSA) to the list of known hosts. 2023/05/16 16:40:25 fuzzer started 2023/05/16 16:40:25 dialing manager at localhost:35573 2023/05/16 16:40:25 checking machine... 2023/05/16 16:40:25 checking revisions... syzkaller login: [ 36.791230] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:40:25 testing simple program... [ 36.863072] cgroup: Unknown subsys name 'net' [ 36.960930] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.924544] audit: type=1400 audit(1684255239.101:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.043825] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.045760] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.049330] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.052736] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.055146] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.056692] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.446924] ------------[ cut here ]------------ [ 51.447576] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.449373] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.450461] Modules linked in: [ 51.450907] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.455592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.456600] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.457268] 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 [ 51.459470] RSP: 0018:ffff888016487c00 EFLAGS: 00010282 [ 51.460154] RAX: 0000000000000000 RBX: ffff88800da33840 RCX: 0000000000000000 [ 51.461032] RDX: ffff8880166c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.461934] RBP: ffff88800da33854 R08: 0000000000000001 R09: 0000000000000000 [ 51.462789] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.463672] R13: ffffffff84e223a0 R14: ffff88800da33848 R15: ffffffff84d73340 [ 51.464556] FS: 0000555556cea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.465556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.466325] CR2: 00007fa655db66f4 CR3: 000000001a1aa000 CR4: 0000000000350ee0 [ 51.467230] Call Trace: [ 51.467565] [ 51.467894] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.468503] ipv4_frags_init_net+0x269/0x440 [ 51.469103] ops_init+0xbb/0x6b0 [ 51.469561] setup_net+0x3d9/0x990 [ 51.470055] ? down_read_killable+0x1d7/0x4e0 [ 51.470619] ? __pfx_setup_net+0x10/0x10 [ 51.471153] ? copy_net_ns+0x17c/0x770 [ 51.471657] copy_net_ns+0x321/0x770 [ 51.472167] create_new_namespaces+0x3f6/0xb30 [ 51.472763] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.473418] ksys_unshare+0x44d/0x8e0 [ 51.473949] ? __pfx_ksys_unshare+0x10/0x10 [ 51.474492] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.475226] __x64_sys_unshare+0x31/0x40 [ 51.475745] do_syscall_64+0x3f/0x90 [ 51.476242] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.476910] RIP: 0033:0x7fbd75e260d7 [ 51.477373] 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 [ 51.479539] RSP: 002b:00007ffc2c480148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.480470] RAX: ffffffffffffffda RBX: 00007ffc2c480788 RCX: 00007fbd75e260d7 [ 51.481353] RDX: 00007fbd75e9041f RSI: 00007ffc2c4800e0 RDI: 0000000040000000 [ 51.482234] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc2c47fef0 [ 51.483121] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd75f38bf0 [ 51.484008] R13: 00007ffc2c480220 R14: 0000000000000000 R15: 00000000000000f8 [ 51.484912] [ 51.485209] irq event stamp: 8475 [ 51.485633] hardirqs last enabled at (8485): [] __up_console_sem+0x78/0x80 [ 51.486705] hardirqs last disabled at (8496): [] __up_console_sem+0x5d/0x80 [ 51.487746] softirqs last enabled at (7966): [] irq_exit_rcu+0x93/0xc0 [ 51.488767] softirqs last disabled at (7961): [] irq_exit_rcu+0x93/0xc0 [ 51.489812] ---[ end trace 0000000000000000 ]--- [ 51.496068] ------------[ cut here ]------------ [ 51.496669] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.498419] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.499488] Modules linked in: [ 51.499919] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.501097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.502137] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.502781] 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 [ 51.504952] RSP: 0018:ffff888016487c00 EFLAGS: 00010282 [ 51.505612] RAX: 0000000000000000 RBX: ffff88800c70ac40 RCX: 0000000000000000 [ 51.506527] RDX: ffff8880166c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.507403] RBP: ffff88800c70ac54 R08: 0000000000000001 R09: 0000000000000000 [ 51.508287] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.509155] R13: ffffffff84e223a0 R14: ffff88800c70ac48 R15: ffffffff84da62e0 [ 51.510036] FS: 0000555556cea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.511046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.511752] CR2: 00007fa655db66f4 CR3: 000000001a1aa000 CR4: 0000000000350ee0 [ 51.512632] Call Trace: [ 51.512988] [ 51.513287] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.513937] ipv6_frags_init_net+0x206/0x3c0 [ 51.514489] ops_init+0xbb/0x6b0 [ 51.514954] setup_net+0x3d9/0x990 [ 51.515407] ? down_read_killable+0x1d7/0x4e0 [ 51.515994] ? __pfx_setup_net+0x10/0x10 [ 51.516494] ? copy_net_ns+0x17c/0x770 [ 51.517018] copy_net_ns+0x321/0x770 [ 51.517493] create_new_namespaces+0x3f6/0xb30 [ 51.518126] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.518735] ksys_unshare+0x44d/0x8e0 [ 51.519251] ? __pfx_ksys_unshare+0x10/0x10 [ 51.519798] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.520537] __x64_sys_unshare+0x31/0x40 [ 51.521076] do_syscall_64+0x3f/0x90 [ 51.521547] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.522223] RIP: 0033:0x7fbd75e260d7 [ 51.522680] 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 [ 51.524827] RSP: 002b:00007ffc2c480148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.525758] RAX: ffffffffffffffda RBX: 00007ffc2c480788 RCX: 00007fbd75e260d7 [ 51.526655] RDX: 00007fbd75e9041f RSI: 00007ffc2c4800e0 RDI: 0000000040000000 [ 51.527536] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc2c47fef0 [ 51.528416] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd75f38bf0 [ 51.529308] R13: 00007ffc2c480220 R14: 0000000000000000 R15: 00000000000000f8 [ 51.530222] [ 51.530521] irq event stamp: 10339 [ 51.530980] hardirqs last enabled at (10351): [] __up_console_sem+0x78/0x80 [ 51.532028] hardirqs last disabled at (10362): [] __up_console_sem+0x5d/0x80 [ 51.533083] softirqs last enabled at (9880): [] irq_exit_rcu+0x93/0xc0 [ 51.534113] softirqs last disabled at (9875): [] irq_exit_rcu+0x93/0xc0 [ 51.535133] ---[ end trace 0000000000000000 ]--- [ 51.536531] ------------[ cut here ]------------ [ 51.537142] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.539181] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.540238] Modules linked in: [ 51.540653] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.541808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.542824] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.543493] 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 [ 51.545646] RSP: 0018:ffff888016487bf0 EFLAGS: 00010286 [ 51.546342] RAX: 0000000000000000 RBX: ffff88800c70b240 RCX: 0000000000000000 [ 51.547228] RDX: ffff8880166c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.548123] RBP: ffff88800c70b254 R08: 0000000000000001 R09: 0000000000000000 [ 51.549014] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.549918] R13: ffffffff84e223a0 R14: ffff88800c70b248 R15: ffffffff84daf020 [ 51.550767] FS: 0000555556cea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.551747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.552481] CR2: 00007fa655db66f4 CR3: 000000001a1aa000 CR4: 0000000000350ee0 [ 51.553362] Call Trace: [ 51.553684] [ 51.554019] nf_ct_net_init+0x224/0x3d0 [ 51.554547] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.555148] ops_init+0xbb/0x6b0 [ 51.555597] setup_net+0x3d9/0x990 [ 51.556081] ? down_read_killable+0x1d7/0x4e0 [ 51.556648] ? __pfx_setup_net+0x10/0x10 [ 51.557176] ? copy_net_ns+0x17c/0x770 [ 51.557680] copy_net_ns+0x321/0x770 [ 51.558205] create_new_namespaces+0x3f6/0xb30 [ 51.558795] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.559442] ksys_unshare+0x44d/0x8e0 [ 51.559961] ? __pfx_ksys_unshare+0x10/0x10 [ 51.560510] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.561251] __x64_sys_unshare+0x31/0x40 [ 51.561765] do_syscall_64+0x3f/0x90 [ 51.562275] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.562941] RIP: 0033:0x7fbd75e260d7 [ 51.563407] 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 [ 51.565569] RSP: 002b:00007ffc2c480148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.566541] RAX: ffffffffffffffda RBX: 00007ffc2c480788 RCX: 00007fbd75e260d7 [ 51.567431] RDX: 00007fbd75e9041f RSI: 00007ffc2c4800e0 RDI: 0000000040000000 [ 51.568305] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc2c47fef0 [ 51.569183] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd75f38bf0 [ 51.570071] R13: 00007ffc2c480220 R14: 0000000000000000 R15: 00000000000000f8 [ 51.570984] [ 51.571284] irq event stamp: 11081 [ 51.571714] hardirqs last enabled at (11091): [] __up_console_sem+0x78/0x80 [ 51.572766] hardirqs last disabled at (11102): [] __up_console_sem+0x5d/0x80 [ 51.573842] softirqs last enabled at (10988): [] irq_exit_rcu+0x93/0xc0 [ 51.574892] softirqs last disabled at (10983): [] irq_exit_rcu+0x93/0xc0 [ 51.575929] ---[ end trace 0000000000000000 ]--- executing program [ 53.134978] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.182070] Bluetooth: hci0: command 0x041b tx timeout [ 57.231257] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.279123] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:40:33 Registers: info registers vcpu 0 RAX=0000000000030f6f 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=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 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=00007fa482995290 CR3=0000000015ae0000 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=2030343a30343a36312036312079614d XMM01=5d3730393035342e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880164875f0 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 0000555556cea400 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=00007fa655db66f4 CR3=000000001a1aa000 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