syzkaller login: [ 41.808819] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:14527' (ECDSA) to the list of known hosts. 2023/05/16 17:24:38 fuzzer started 2023/05/16 17:24:38 dialing manager at localhost:35573 2023/05/16 17:24:38 checking machine... 2023/05/16 17:24:38 checking revisions... [ 47.292725] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:24:39 testing simple program... [ 47.366409] cgroup: Unknown subsys name 'net' [ 47.432582] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.043340] audit: type=1400 audit(1684257891.862:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 61.153559] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.156417] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.160312] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.164430] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.168750] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.171715] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.559915] ------------[ cut here ]------------ [ 61.560611] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.562306] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.563421] Modules linked in: [ 61.563813] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.567063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.569525] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.570210] 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 [ 61.572411] RSP: 0018:ffff888006b97c00 EFLAGS: 00010282 [ 61.573099] RAX: 0000000000000000 RBX: ffff88800d7f9040 RCX: 0000000000000000 [ 61.573963] RDX: ffff88801a1b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.574857] RBP: ffff88800d7f9054 R08: 0000000000000001 R09: 0000000000000000 [ 61.575770] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.576672] R13: ffffffff84e223a0 R14: ffff88800d7f9048 R15: ffffffff84d73340 [ 61.577558] FS: 00005555563aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.578559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.579327] CR2: 00007f16ffa9ec98 CR3: 000000000f532000 CR4: 0000000000350ee0 [ 61.580222] Call Trace: [ 61.580549] [ 61.580843] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.581486] ipv4_frags_init_net+0x269/0x440 [ 61.582072] ops_init+0xbb/0x6b0 [ 61.582515] setup_net+0x3d9/0x990 [ 61.582971] ? down_read_killable+0x1d7/0x4e0 [ 61.583570] ? __pfx_setup_net+0x10/0x10 [ 61.584111] ? copy_net_ns+0x17c/0x770 [ 61.584617] copy_net_ns+0x321/0x770 [ 61.585119] create_new_namespaces+0x3f6/0xb30 [ 61.585713] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.586352] ksys_unshare+0x44d/0x8e0 [ 61.586852] ? __pfx_ksys_unshare+0x10/0x10 [ 61.587436] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.588176] __x64_sys_unshare+0x31/0x40 [ 61.588697] do_syscall_64+0x3f/0x90 [ 61.589201] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.589840] RIP: 0033:0x7f2dab1b80d7 [ 61.590334] 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 [ 61.592528] RSP: 002b:00007ffcb7833f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.593473] RAX: ffffffffffffffda RBX: 00007ffcb7834568 RCX: 00007f2dab1b80d7 [ 61.594362] RDX: 00007f2dab22241f RSI: 00007ffcb7833ec0 RDI: 0000000040000000 [ 61.595277] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb7833cd0 [ 61.596162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2dab2cabf0 [ 61.597060] R13: 00007ffcb7834000 R14: 0000000000000000 R15: 00000000000000f8 [ 61.597944] [ 61.598278] irq event stamp: 8635 [ 61.598700] hardirqs last enabled at (8645): [] __up_console_sem+0x78/0x80 [ 61.599781] hardirqs last disabled at (8656): [] __up_console_sem+0x5d/0x80 [ 61.600834] softirqs last enabled at (8184): [] irq_exit_rcu+0x93/0xc0 [ 61.601874] softirqs last disabled at (8159): [] irq_exit_rcu+0x93/0xc0 [ 61.602928] ---[ end trace 0000000000000000 ]--- [ 61.607886] ------------[ cut here ]------------ [ 61.608510] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.610204] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.611291] Modules linked in: [ 61.611710] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.612880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.613907] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.614608] 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 [ 61.616845] RSP: 0018:ffff888006b97c00 EFLAGS: 00010282 [ 61.617541] RAX: 0000000000000000 RBX: ffff88800d8a2640 RCX: 0000000000000000 [ 61.618431] RDX: ffff88801a1b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.619348] RBP: ffff88800d8a2654 R08: 0000000000000001 R09: 0000000000000000 [ 61.620238] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.621136] R13: ffffffff84e223a0 R14: ffff88800d8a2648 R15: ffffffff84da62e0 [ 61.621991] FS: 00005555563aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.622999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.623744] CR2: 00007f16ffa9ec98 CR3: 000000000f532000 CR4: 0000000000350ee0 [ 61.624650] Call Trace: [ 61.624977] [ 61.625306] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.625918] ipv6_frags_init_net+0x206/0x3c0 [ 61.626505] ops_init+0xbb/0x6b0 [ 61.626976] setup_net+0x3d9/0x990 [ 61.627460] ? down_read_killable+0x1d7/0x4e0 [ 61.628052] ? __pfx_setup_net+0x10/0x10 [ 61.628565] ? copy_net_ns+0x17c/0x770 [ 61.629104] copy_net_ns+0x321/0x770 [ 61.629591] create_new_namespaces+0x3f6/0xb30 [ 61.630210] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.630846] ksys_unshare+0x44d/0x8e0 [ 61.631393] ? __pfx_ksys_unshare+0x10/0x10 [ 61.631961] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.632722] __x64_sys_unshare+0x31/0x40 [ 61.633284] do_syscall_64+0x3f/0x90 [ 61.633772] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.634442] RIP: 0033:0x7f2dab1b80d7 [ 61.634907] 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 [ 61.637067] RSP: 002b:00007ffcb7833f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.637978] RAX: ffffffffffffffda RBX: 00007ffcb7834568 RCX: 00007f2dab1b80d7 [ 61.638861] RDX: 00007f2dab22241f RSI: 00007ffcb7833ec0 RDI: 0000000040000000 [ 61.639768] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb7833cd0 [ 61.640653] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2dab2cabf0 [ 61.641527] R13: 00007ffcb7834000 R14: 0000000000000000 R15: 00000000000000f8 [ 61.642440] [ 61.642744] irq event stamp: 10129 [ 61.643216] hardirqs last enabled at (10141): [] __up_console_sem+0x78/0x80 [ 61.644284] hardirqs last disabled at (10152): [] __up_console_sem+0x5d/0x80 [ 61.645356] softirqs last enabled at (9704): [] irq_exit_rcu+0x93/0xc0 [ 61.646380] softirqs last disabled at (9699): [] irq_exit_rcu+0x93/0xc0 [ 61.647426] ---[ end trace 0000000000000000 ]--- [ 61.648740] ------------[ cut here ]------------ [ 61.649356] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.651324] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.652370] Modules linked in: [ 61.652774] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.653930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.654943] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.655632] 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 [ 61.657781] RSP: 0018:ffff888006b97bf0 EFLAGS: 00010286 [ 61.658471] RAX: 0000000000000000 RBX: ffff88800d8a3440 RCX: 0000000000000000 [ 61.659377] RDX: ffff88801a1b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.660272] RBP: ffff88800d8a3454 R08: 0000000000000001 R09: 0000000000000000 [ 61.661154] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.662003] R13: ffffffff84e223a0 R14: ffff88800d8a3448 R15: ffffffff84daf020 [ 61.662896] FS: 00005555563aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.663912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.664656] CR2: 00007f16ffa9ec98 CR3: 000000000f532000 CR4: 0000000000350ee0 [ 61.665546] Call Trace: [ 61.665873] [ 61.666213] nf_ct_net_init+0x224/0x3d0 [ 61.666728] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.667338] ops_init+0xbb/0x6b0 [ 61.667783] setup_net+0x3d9/0x990 [ 61.668255] ? down_read_killable+0x1d7/0x4e0 [ 61.668812] ? __pfx_setup_net+0x10/0x10 [ 61.669349] ? copy_net_ns+0x17c/0x770 [ 61.669857] copy_net_ns+0x321/0x770 [ 61.670368] create_new_namespaces+0x3f6/0xb30 [ 61.670962] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.671600] ksys_unshare+0x44d/0x8e0 [ 61.672125] ? __pfx_ksys_unshare+0x10/0x10 [ 61.672672] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.673410] __x64_sys_unshare+0x31/0x40 [ 61.673926] do_syscall_64+0x3f/0x90 [ 61.674423] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.675117] RIP: 0033:0x7f2dab1b80d7 [ 61.675584] 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 [ 61.677758] RSP: 002b:00007ffcb7833f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.678722] RAX: ffffffffffffffda RBX: 00007ffcb7834568 RCX: 00007f2dab1b80d7 [ 61.679643] RDX: 00007f2dab22241f RSI: 00007ffcb7833ec0 RDI: 0000000040000000 [ 61.680539] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb7833cd0 [ 61.681424] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2dab2cabf0 [ 61.682309] R13: 00007ffcb7834000 R14: 0000000000000000 R15: 00000000000000f8 [ 61.683247] [ 61.683552] irq event stamp: 10845 [ 61.683983] hardirqs last enabled at (10855): [] __up_console_sem+0x78/0x80 [ 61.685071] hardirqs last disabled at (10868): [] __up_console_sem+0x5d/0x80 [ 61.686137] softirqs last enabled at (10782): [] irq_exit_rcu+0x93/0xc0 [ 61.687180] softirqs last disabled at (10777): [] irq_exit_rcu+0x93/0xc0 [ 61.688230] ---[ end trace 0000000000000000 ]--- executing program [ 63.237785] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.286616] Bluetooth: hci0: command 0x041b tx timeout [ 67.333156] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.381179] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:24:43 Registers: info registers vcpu 0 RAX=fffffbfff0fe4f79 RBX=0000000000000001 RCX=ffffffff844e836b RDX=fffffbfff0fe4f79 RSI=0000000000000004 RDI=ffffffff87f27bc0 RBP=fffffbfff0fe4f78 RSP=ffff88806ce09b48 R8 =0000000000000000 R9 =fffffbfff0fe4f78 R10=ffffffff87f27bc3 R11=0000000000000001 R12=0000000000000003 R13=fffffbfff0fe4f78 R14=0000000000000001 R15=1ffff1100d9c136d RIP=ffffffff8181055f RFL=00000046 [---Z-P-] 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 00007f17005f1900 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=00007f16ffae9b00 CR3=000000001612c000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=0013ad65119292df000000000010dc70 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=783713d0cb3b89c600000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000202020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888006b97620 R8 =0000000000000001 R9 =fffffbfff0fe4f78 R10=ffffffff87f27bc3 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----P-] 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 00005555563aa400 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=00007f16ffa9ec98 CR3=000000000f532000 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