syzkaller login: [ 243.773689] sshd (231) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:52197' (ECDSA) to the list of known hosts. 2023/05/18 00:05:20 fuzzer started 2023/05/18 00:05:20 dialing manager at localhost:44319 2023/05/18 00:05:20 checking machine... 2023/05/18 00:05:20 checking revisions... [ 245.017572] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:05:21 testing simple program... [ 245.095184] cgroup: Unknown subsys name 'net' [ 245.284474] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 258.592461] audit: type=1400 audit(1684368334.631:6): 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 [ 259.723678] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 259.726296] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 259.728096] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 259.730890] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 259.732477] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 259.734081] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 260.155596] ------------[ cut here ]------------ [ 260.156345] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 260.158249] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 260.159530] Modules linked in: [ 260.160021] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 260.165169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 260.166213] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 260.166908] 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 [ 260.169129] RSP: 0018:ffff888017d17c00 EFLAGS: 00010282 [ 260.169821] RAX: 0000000000000000 RBX: ffff88800d565c40 RCX: 0000000000000000 [ 260.170726] RDX: ffff88800e2fb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 260.171628] RBP: ffff88800d565c54 R08: 0000000000000001 R09: 0000000000000000 [ 260.172550] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 260.173423] R13: ffffffff84e23fe0 R14: ffff88800d565c48 R15: ffffffff84d74dc0 [ 260.174325] FS: 0000555555def400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 260.175337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 260.176083] CR2: 00007ff2c35e86f4 CR3: 000000000dd68000 CR4: 0000000000350ee0 [ 260.176978] Call Trace: [ 260.177313] [ 260.177652] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 260.178268] ipv4_frags_init_net+0x269/0x440 [ 260.178859] ops_init+0xbb/0x6b0 [ 260.179325] setup_net+0x3d9/0x990 [ 260.179817] ? down_read_killable+0x1d7/0x4e0 [ 260.180423] ? __pfx_setup_net+0x10/0x10 [ 260.180963] ? copy_net_ns+0x17c/0x770 [ 260.181485] copy_net_ns+0x321/0x770 [ 260.182010] create_new_namespaces+0x3f6/0xb30 [ 260.182634] unshare_nsproxy_namespaces+0xc1/0x200 [ 260.183259] ksys_unshare+0x44d/0x8e0 [ 260.183779] ? __pfx_ksys_unshare+0x10/0x10 [ 260.184351] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 260.185097] __x64_sys_unshare+0x31/0x40 [ 260.185649] do_syscall_64+0x3f/0x90 [ 260.186131] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 260.186806] RIP: 0033:0x7f58e79d20d7 [ 260.187273] 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 [ 260.189461] RSP: 002b:00007fff0d8ab768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 260.190420] RAX: ffffffffffffffda RBX: 00007fff0d8abda8 RCX: 00007f58e79d20d7 [ 260.191316] RDX: 00007f58e7a3c41f RSI: 00007fff0d8ab700 RDI: 0000000040000000 [ 260.192226] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d8ab510 [ 260.193117] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f58e7ae4bf0 [ 260.194001] R13: 00007fff0d8ab840 R14: 0000000000000000 R15: 00000000000000f8 [ 260.194913] [ 260.195217] irq event stamp: 10737 [ 260.195679] hardirqs last enabled at (10749): [] __up_console_sem+0x78/0x80 [ 260.196750] hardirqs last disabled at (10760): [] __up_console_sem+0x5d/0x80 [ 260.197825] softirqs last enabled at (10644): [] irq_exit_rcu+0x93/0xc0 [ 260.198861] softirqs last disabled at (10639): [] irq_exit_rcu+0x93/0xc0 [ 260.199904] ---[ end trace 0000000000000000 ]--- [ 260.205835] ------------[ cut here ]------------ [ 260.206443] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 260.208225] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 260.209315] Modules linked in: [ 260.209763] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 260.210928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 260.211960] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 260.212675] 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 [ 260.214915] RSP: 0018:ffff888017d17c00 EFLAGS: 00010282 [ 260.215637] RAX: 0000000000000000 RBX: ffff88800d7b8640 RCX: 0000000000000000 [ 260.216560] RDX: ffff88800e2fb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 260.217448] RBP: ffff88800d7b8654 R08: 0000000000000001 R09: 0000000000000000 [ 260.218351] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 260.219283] R13: ffffffff84e23fe0 R14: ffff88800d7b8648 R15: ffffffff84da7d60 [ 260.220233] FS: 0000555555def400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 260.221234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 260.221986] CR2: 00007ff2c35e86f4 CR3: 000000000dd68000 CR4: 0000000000350ee0 [ 260.222878] Call Trace: [ 260.223208] [ 260.223501] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 260.224170] ipv6_frags_init_net+0x206/0x3c0 [ 260.224766] ops_init+0xbb/0x6b0 [ 260.225219] setup_net+0x3d9/0x990 [ 260.225721] ? down_read_killable+0x1d7/0x4e0 [ 260.226325] ? __pfx_setup_net+0x10/0x10 [ 260.226859] ? copy_net_ns+0x17c/0x770 [ 260.227367] copy_net_ns+0x321/0x770 [ 260.227868] create_new_namespaces+0x3f6/0xb30 [ 260.228479] unshare_nsproxy_namespaces+0xc1/0x200 [ 260.229128] ksys_unshare+0x44d/0x8e0 [ 260.229648] ? __pfx_ksys_unshare+0x10/0x10 [ 260.230198] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 260.230931] __x64_sys_unshare+0x31/0x40 [ 260.231453] do_syscall_64+0x3f/0x90 [ 260.231965] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 260.232641] RIP: 0033:0x7f58e79d20d7 [ 260.233099] 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 [ 260.235244] RSP: 002b:00007fff0d8ab768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 260.236198] RAX: ffffffffffffffda RBX: 00007fff0d8abda8 RCX: 00007f58e79d20d7 [ 260.237074] RDX: 00007f58e7a3c41f RSI: 00007fff0d8ab700 RDI: 0000000040000000 [ 260.237959] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d8ab510 [ 260.238845] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f58e7ae4bf0 [ 260.239722] R13: 00007fff0d8ab840 R14: 0000000000000000 R15: 00000000000000f8 [ 260.240652] [ 260.240950] irq event stamp: 12815 [ 260.241381] hardirqs last enabled at (12825): [] __up_console_sem+0x78/0x80 [ 260.242434] hardirqs last disabled at (12836): [] __up_console_sem+0x5d/0x80 [ 260.243470] softirqs last enabled at (12406): [] irq_exit_rcu+0x93/0xc0 [ 260.244528] softirqs last disabled at (12397): [] irq_exit_rcu+0x93/0xc0 [ 260.245560] ---[ end trace 0000000000000000 ]--- [ 260.246913] ------------[ cut here ]------------ [ 260.247490] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 260.249382] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 260.250459] Modules linked in: [ 260.250900] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 260.252048] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 260.253073] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 260.253748] 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 [ 260.256199] RSP: 0018:ffff888017d17bf0 EFLAGS: 00010286 [ 260.256986] RAX: 0000000000000000 RBX: ffff88800d7b8040 RCX: 0000000000000000 [ 260.257868] RDX: ffff88800e2fb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 260.258783] RBP: ffff88800d7b8054 R08: 0000000000000001 R09: 0000000000000000 [ 260.259698] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 260.260591] R13: ffffffff84e23fe0 R14: ffff88800d7b8048 R15: ffffffff84db0aa0 [ 260.261474] FS: 0000555555def400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 260.262460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 260.263197] CR2: 00007ff2c35e86f4 CR3: 000000000dd68000 CR4: 0000000000350ee0 [ 260.264075] Call Trace: [ 260.264432] [ 260.264759] nf_ct_net_init+0x224/0x3d0 [ 260.265274] ? __pfx_nf_ct_net_init+0x10/0x10 [ 260.265880] ops_init+0xbb/0x6b0 [ 260.266325] setup_net+0x3d9/0x990 [ 260.266808] ? down_read_killable+0x1d7/0x4e0 [ 260.267373] ? __pfx_setup_net+0x10/0x10 [ 260.267908] ? copy_net_ns+0x17c/0x770 [ 260.268434] copy_net_ns+0x321/0x770 [ 260.268939] create_new_namespaces+0x3f6/0xb30 [ 260.269542] unshare_nsproxy_namespaces+0xc1/0x200 [ 260.270152] ksys_unshare+0x44d/0x8e0 [ 260.270668] ? __pfx_ksys_unshare+0x10/0x10 [ 260.271209] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 260.271947] __x64_sys_unshare+0x31/0x40 [ 260.272629] do_syscall_64+0x3f/0x90 [ 260.273246] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 260.274134] RIP: 0033:0x7f58e79d20d7 [ 260.274752] 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 [ 260.276898] RSP: 002b:00007fff0d8ab768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 260.277867] RAX: ffffffffffffffda RBX: 00007fff0d8abda8 RCX: 00007f58e79d20d7 [ 260.278757] RDX: 00007f58e7a3c41f RSI: 00007fff0d8ab700 RDI: 0000000040000000 [ 260.279637] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d8ab510 [ 260.280543] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f58e7ae4bf0 [ 260.281400] R13: 00007fff0d8ab840 R14: 0000000000000000 R15: 00000000000000f8 [ 260.282292] [ 260.282621] irq event stamp: 13643 [ 260.283047] hardirqs last enabled at (13653): [] __up_console_sem+0x78/0x80 [ 260.284113] hardirqs last disabled at (13664): [] __up_console_sem+0x5d/0x80 [ 260.285160] softirqs last enabled at (13178): [] irq_exit_rcu+0x93/0xc0 [ 260.286181] softirqs last disabled at (13173): [] irq_exit_rcu+0x93/0xc0 [ 260.287196] ---[ end trace 0000000000000000 ]--- [ 261.809265] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 263.855776] Bluetooth: hci0: command 0x041b tx timeout executing program [ 265.903588] Bluetooth: hci0: command 0x040f tx timeout [ 267.951626] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:02:15 Registers: info registers vcpu 0 RAX=0000000000021fd7 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=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=00007f86b5058d50 CR3=00000000094d2000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=584152205d3836363838392e35323200 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888017d175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 0000555555def400 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=00007ff2c35e86f4 CR3=000000000dd68000 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