syzkaller login: [ 36.095614] sshd (218) used greatest stack depth: 24032 bytes left Warning: Permanently added '[localhost]:47246' (ECDSA) to the list of known hosts. 2023/05/17 13:53:03 fuzzer started 2023/05/17 13:53:04 dialing manager at localhost:44319 2023/05/17 13:53:04 checking machine... 2023/05/17 13:53:04 checking revisions... [ 38.062453] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:53:04 testing simple program... [ 38.136104] cgroup: Unknown subsys name 'net' [ 38.200173] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.878630] audit: type=1400 audit(1684331597.125:6): 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 [ 52.033523] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.035363] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.039473] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.043586] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.045349] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.047615] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.462830] ------------[ cut here ]------------ [ 52.463641] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.465658] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.466930] Modules linked in: [ 52.467492] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.472443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.473671] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.474478] 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 [ 52.476727] RSP: 0018:ffff888019c67c00 EFLAGS: 00010282 [ 52.477411] RAX: 0000000000000000 RBX: ffff88800c78b040 RCX: 0000000000000000 [ 52.478313] RDX: ffff888015f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.479204] RBP: ffff88800c78b054 R08: 0000000000000001 R09: 0000000000000000 [ 52.480102] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.480986] R13: ffffffff84e23fe0 R14: ffff88800c78b048 R15: ffffffff84d74dc0 [ 52.481886] FS: 0000555556ad5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.482883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.483641] CR2: 00007f9efdb5d6f4 CR3: 000000000f75a000 CR4: 0000000000350ee0 [ 52.484552] Call Trace: [ 52.484884] [ 52.485175] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.485833] ipv4_frags_init_net+0x269/0x440 [ 52.486418] ops_init+0xbb/0x6b0 [ 52.486882] setup_net+0x3d9/0x990 [ 52.487390] ? down_read_killable+0x1d7/0x4e0 [ 52.487974] ? __pfx_setup_net+0x10/0x10 [ 52.488510] ? copy_net_ns+0x17c/0x770 [ 52.489039] copy_net_ns+0x321/0x770 [ 52.489547] create_new_namespaces+0x3f6/0xb30 [ 52.490150] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.490802] ksys_unshare+0x44d/0x8e0 [ 52.491323] ? __pfx_ksys_unshare+0x10/0x10 [ 52.491877] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.492629] __x64_sys_unshare+0x31/0x40 [ 52.493144] do_syscall_64+0x3f/0x90 [ 52.493672] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.494358] RIP: 0033:0x7f79a7a8a0d7 [ 52.494833] 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 [ 52.497033] RSP: 002b:00007ffeb97a7068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.498009] RAX: ffffffffffffffda RBX: 00007ffeb97a76a8 RCX: 00007f79a7a8a0d7 [ 52.498970] RDX: 00007f79a7af441f RSI: 00007ffeb97a7000 RDI: 0000000040000000 [ 52.500133] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb97a6e10 [ 52.501271] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f79a7b9cbf0 [ 52.502373] R13: 00007ffeb97a7140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.503536] [ 52.503920] irq event stamp: 8213 [ 52.504503] hardirqs last enabled at (8225): [] __up_console_sem+0x78/0x80 [ 52.505662] hardirqs last disabled at (8236): [] __up_console_sem+0x5d/0x80 [ 52.506737] softirqs last enabled at (7786): [] irq_exit_rcu+0x93/0xc0 [ 52.507808] softirqs last disabled at (7771): [] irq_exit_rcu+0x93/0xc0 [ 52.508846] ---[ end trace 0000000000000000 ]--- [ 52.514536] ------------[ cut here ]------------ [ 52.515160] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.516913] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.518007] Modules linked in: [ 52.518447] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.519666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.520705] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.521383] 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 [ 52.523625] RSP: 0018:ffff888019c67c00 EFLAGS: 00010282 [ 52.524315] RAX: 0000000000000000 RBX: ffff88800d72f440 RCX: 0000000000000000 [ 52.525182] RDX: ffff888015f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.526078] RBP: ffff88800d72f454 R08: 0000000000000001 R09: 0000000000000000 [ 52.526998] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.527905] R13: ffffffff84e23fe0 R14: ffff88800d72f448 R15: ffffffff84da7d60 [ 52.528803] FS: 0000555556ad5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.529810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.530544] CR2: 00007f9efdb5d6f4 CR3: 000000000f75a000 CR4: 0000000000350ee0 [ 52.531473] Call Trace: [ 52.531822] [ 52.532121] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.532779] ipv6_frags_init_net+0x206/0x3c0 [ 52.533361] ops_init+0xbb/0x6b0 [ 52.533819] setup_net+0x3d9/0x990 [ 52.534304] ? down_read_killable+0x1d7/0x4e0 [ 52.534880] ? __pfx_setup_net+0x10/0x10 [ 52.535426] ? copy_net_ns+0x17c/0x770 [ 52.535948] copy_net_ns+0x321/0x770 [ 52.536464] create_new_namespaces+0x3f6/0xb30 [ 52.537065] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.537721] ksys_unshare+0x44d/0x8e0 [ 52.538202] ? __pfx_ksys_unshare+0x10/0x10 [ 52.538791] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.539543] __x64_sys_unshare+0x31/0x40 [ 52.540068] do_syscall_64+0x3f/0x90 [ 52.540579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.541273] RIP: 0033:0x7f79a7a8a0d7 [ 52.541760] 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 [ 52.543945] RSP: 002b:00007ffeb97a7068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.544896] RAX: ffffffffffffffda RBX: 00007ffeb97a76a8 RCX: 00007f79a7a8a0d7 [ 52.545791] RDX: 00007f79a7af441f RSI: 00007ffeb97a7000 RDI: 0000000040000000 [ 52.546696] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb97a6e10 [ 52.547605] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f79a7b9cbf0 [ 52.548492] R13: 00007ffeb97a7140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.549414] [ 52.549733] irq event stamp: 10027 [ 52.550165] hardirqs last enabled at (10037): [] __up_console_sem+0x78/0x80 [ 52.551278] hardirqs last disabled at (10050): [] __up_console_sem+0x5d/0x80 [ 52.552373] softirqs last enabled at (9600): [] irq_exit_rcu+0x93/0xc0 [ 52.553413] softirqs last disabled at (9591): [] irq_exit_rcu+0x93/0xc0 [ 52.554445] ---[ end trace 0000000000000000 ]--- [ 52.555875] ------------[ cut here ]------------ [ 52.556488] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.558470] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.559568] Modules linked in: [ 52.559995] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.561165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.562235] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.562893] 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 [ 52.565081] RSP: 0018:ffff888019c67bf0 EFLAGS: 00010286 [ 52.565812] RAX: 0000000000000000 RBX: ffff88800d72fa40 RCX: 0000000000000000 [ 52.566739] RDX: ffff888015f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.567661] RBP: ffff88800d72fa54 R08: 0000000000000001 R09: 0000000000000000 [ 52.568536] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.569422] R13: ffffffff84e23fe0 R14: ffff88800d72fa48 R15: ffffffff84db0aa0 [ 52.570325] FS: 0000555556ad5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.571385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.572107] CR2: 00007f9efdb5d6f4 CR3: 000000000f75a000 CR4: 0000000000350ee0 [ 52.573012] Call Trace: [ 52.573371] [ 52.573690] nf_ct_net_init+0x224/0x3d0 [ 52.574247] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.574871] ops_init+0xbb/0x6b0 [ 52.575379] setup_net+0x3d9/0x990 [ 52.575878] ? down_read_killable+0x1d7/0x4e0 [ 52.576520] ? __pfx_setup_net+0x10/0x10 [ 52.577073] ? copy_net_ns+0x17c/0x770 [ 52.577651] copy_net_ns+0x321/0x770 [ 52.578180] create_new_namespaces+0x3f6/0xb30 [ 52.578846] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.579581] ksys_unshare+0x44d/0x8e0 [ 52.580107] ? __pfx_ksys_unshare+0x10/0x10 [ 52.580745] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.581515] __x64_sys_unshare+0x31/0x40 [ 52.582070] do_syscall_64+0x3f/0x90 [ 52.582607] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.583338] RIP: 0033:0x7f79a7a8a0d7 [ 52.583832] 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 [ 52.586067] RSP: 002b:00007ffeb97a7068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.587073] RAX: ffffffffffffffda RBX: 00007ffeb97a76a8 RCX: 00007f79a7a8a0d7 [ 52.588010] RDX: 00007f79a7af441f RSI: 00007ffeb97a7000 RDI: 0000000040000000 [ 52.588940] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb97a6e10 [ 52.589877] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f79a7b9cbf0 [ 52.590835] R13: 00007ffeb97a7140 R14: 0000000000000000 R15: 00000000000000f8 [ 52.591826] [ 52.592135] irq event stamp: 10799 [ 52.592621] hardirqs last enabled at (10811): [] __up_console_sem+0x78/0x80 [ 52.593738] hardirqs last disabled at (10822): [] __up_console_sem+0x5d/0x80 [ 52.594849] softirqs last enabled at (10684): [] irq_exit_rcu+0x93/0xc0 [ 52.595983] softirqs last disabled at (10679): [] irq_exit_rcu+0x93/0xc0 [ 52.597079] ---[ end trace 0000000000000000 ]--- executing program [ 54.115870] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.163468] Bluetooth: hci0: command 0x041b tx timeout [ 58.211444] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.259389] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:53:15 Registers: info registers vcpu 0 RAX=0000000000029aab RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f67b5f78028 CR3=000000000f356000 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=2038313a33353a33312037312079614d XMM01=5d3239343736342e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732038 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=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019c675f0 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 0000555556ad5400 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=00007f9efdb5d6f4 CR3=000000000f75a000 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