syzkaller login: [ 39.072273] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:12928' (ECDSA) to the list of known hosts. 2023/05/16 20:12:01 fuzzer started 2023/05/16 20:12:02 dialing manager at localhost:35573 2023/05/16 20:12:02 checking machine... 2023/05/16 20:12:02 checking revisions... [ 43.664306] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:12:02 testing simple program... [ 43.733258] cgroup: Unknown subsys name 'net' [ 43.823996] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.833061] audit: type=1400 audit(1684267935.610:6): 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 [ 57.928128] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.929856] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.932687] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.935440] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.936763] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.939044] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.313839] ------------[ cut here ]------------ [ 58.314605] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.316779] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.318035] Modules linked in: [ 58.318582] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.321337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.323819] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.325056] 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 [ 58.327232] RSP: 0018:ffff888015ad7c00 EFLAGS: 00010282 [ 58.327890] RAX: 0000000000000000 RBX: ffff88800f194040 RCX: 0000000000000000 [ 58.328834] RDX: ffff88800682b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.329748] RBP: ffff88800f194054 R08: 0000000000000001 R09: 0000000000000000 [ 58.330674] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.331565] R13: ffffffff84e223a0 R14: ffff88800f194048 R15: ffffffff84d73340 [ 58.332483] FS: 00005555559f9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.333490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.334222] CR2: 00007f534fc3c6f4 CR3: 000000000c45c000 CR4: 0000000000350ee0 [ 58.335079] Call Trace: [ 58.335441] [ 58.335738] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.336368] ipv4_frags_init_net+0x269/0x440 [ 58.336895] ops_init+0xbb/0x6b0 [ 58.337344] setup_net+0x3d9/0x990 [ 58.337775] ? down_read_killable+0x1d7/0x4e0 [ 58.338338] ? __pfx_setup_net+0x10/0x10 [ 58.338815] ? copy_net_ns+0x17c/0x770 [ 58.339319] copy_net_ns+0x321/0x770 [ 58.339775] create_new_namespaces+0x3f6/0xb30 [ 58.340379] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.340966] ksys_unshare+0x44d/0x8e0 [ 58.341464] ? __pfx_ksys_unshare+0x10/0x10 [ 58.341984] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.342697] __x64_sys_unshare+0x31/0x40 [ 58.343210] do_syscall_64+0x3f/0x90 [ 58.343657] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.344299] RIP: 0033:0x7f8ba82960d7 [ 58.344735] 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 [ 58.346776] RSP: 002b:00007ffc568b0978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.347675] RAX: ffffffffffffffda RBX: 00007ffc568b0fb8 RCX: 00007f8ba82960d7 [ 58.348529] RDX: 00007f8ba830041f RSI: 00007ffc568b0910 RDI: 0000000040000000 [ 58.349368] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc568b0720 [ 58.350203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ba83a8bf0 [ 58.351008] R13: 00007ffc568b0a50 R14: 0000000000000000 R15: 00000000000000f8 [ 58.351872] [ 58.352218] irq event stamp: 7915 [ 58.352617] hardirqs last enabled at (7925): [] __up_console_sem+0x78/0x80 [ 58.353628] hardirqs last disabled at (7936): [] __up_console_sem+0x5d/0x80 [ 58.354638] softirqs last enabled at (7530): [] irq_exit_rcu+0x93/0xc0 [ 58.355614] softirqs last disabled at (7521): [] irq_exit_rcu+0x93/0xc0 [ 58.356606] ---[ end trace 0000000000000000 ]--- [ 58.362374] ------------[ cut here ]------------ [ 58.362936] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.364609] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.365664] Modules linked in: [ 58.366072] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.367235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.368256] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.368901] 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 [ 58.371104] RSP: 0018:ffff888015ad7c00 EFLAGS: 00010282 [ 58.371788] RAX: 0000000000000000 RBX: ffff88800d63ca40 RCX: 0000000000000000 [ 58.372704] RDX: ffff88800682b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.373600] RBP: ffff88800d63ca54 R08: 0000000000000001 R09: 0000000000000000 [ 58.374500] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.375422] R13: ffffffff84e223a0 R14: ffff88800d63ca48 R15: ffffffff84da62e0 [ 58.376353] FS: 00005555559f9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.377351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.378061] CR2: 00007f534fc3c6f4 CR3: 000000000c45c000 CR4: 0000000000350ee0 [ 58.378992] Call Trace: [ 58.379353] [ 58.379647] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.380318] ipv6_frags_init_net+0x206/0x3c0 [ 58.380876] ops_init+0xbb/0x6b0 [ 58.381342] setup_net+0x3d9/0x990 [ 58.381792] ? down_read_killable+0x1d7/0x4e0 [ 58.382376] ? __pfx_setup_net+0x10/0x10 [ 58.382882] ? copy_net_ns+0x17c/0x770 [ 58.383418] copy_net_ns+0x321/0x770 [ 58.383891] create_new_namespaces+0x3f6/0xb30 [ 58.384509] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.385127] ksys_unshare+0x44d/0x8e0 [ 58.385639] ? __pfx_ksys_unshare+0x10/0x10 [ 58.386216] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.386926] __x64_sys_unshare+0x31/0x40 [ 58.387472] do_syscall_64+0x3f/0x90 [ 58.387943] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.388637] RIP: 0033:0x7f8ba82960d7 [ 58.389105] 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 [ 58.391257] RSP: 002b:00007ffc568b0978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.392218] RAX: ffffffffffffffda RBX: 00007ffc568b0fb8 RCX: 00007f8ba82960d7 [ 58.393073] RDX: 00007f8ba830041f RSI: 00007ffc568b0910 RDI: 0000000040000000 [ 58.393973] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc568b0720 [ 58.394838] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ba83a8bf0 [ 58.395681] R13: 00007ffc568b0a50 R14: 0000000000000000 R15: 00000000000000f8 [ 58.396558] [ 58.396843] irq event stamp: 9935 [ 58.397285] hardirqs last enabled at (9947): [] __up_console_sem+0x78/0x80 [ 58.398286] hardirqs last disabled at (9958): [] __up_console_sem+0x5d/0x80 [ 58.399295] softirqs last enabled at (9510): [] irq_exit_rcu+0x93/0xc0 [ 58.400334] softirqs last disabled at (9505): [] irq_exit_rcu+0x93/0xc0 [ 58.401364] ---[ end trace 0000000000000000 ]--- [ 58.402687] ------------[ cut here ]------------ [ 58.403340] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.405267] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.406310] Modules linked in: [ 58.406713] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.407873] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.408891] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.409557] 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 [ 58.411693] RSP: 0018:ffff888015ad7bf0 EFLAGS: 00010286 [ 58.412400] RAX: 0000000000000000 RBX: ffff88800d63c240 RCX: 0000000000000000 [ 58.413286] RDX: ffff88800682b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.414145] RBP: ffff88800d63c254 R08: 0000000000000001 R09: 0000000000000000 [ 58.415031] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.415929] R13: ffffffff84e223a0 R14: ffff88800d63c248 R15: ffffffff84daf020 [ 58.416815] FS: 00005555559f9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.417804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.418545] CR2: 00007f534fc3c6f4 CR3: 000000000c45c000 CR4: 0000000000350ee0 [ 58.419429] Call Trace: [ 58.419757] [ 58.420076] nf_ct_net_init+0x224/0x3d0 [ 58.420619] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.421213] ops_init+0xbb/0x6b0 [ 58.421656] setup_net+0x3d9/0x990 [ 58.422107] ? down_read_killable+0x1d7/0x4e0 [ 58.422709] ? __pfx_setup_net+0x10/0x10 [ 58.423237] ? copy_net_ns+0x17c/0x770 [ 58.423736] copy_net_ns+0x321/0x770 [ 58.424250] create_new_namespaces+0x3f6/0xb30 [ 58.424835] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.425484] ksys_unshare+0x44d/0x8e0 [ 58.425970] ? __pfx_ksys_unshare+0x10/0x10 [ 58.426537] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.427283] __x64_sys_unshare+0x31/0x40 [ 58.427796] do_syscall_64+0x3f/0x90 [ 58.428303] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.428930] RIP: 0033:0x7f8ba82960d7 [ 58.429422] 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 [ 58.431572] RSP: 002b:00007ffc568b0978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.432548] RAX: ffffffffffffffda RBX: 00007ffc568b0fb8 RCX: 00007f8ba82960d7 [ 58.433434] RDX: 00007f8ba830041f RSI: 00007ffc568b0910 RDI: 0000000040000000 [ 58.434325] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc568b0720 [ 58.435194] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8ba83a8bf0 [ 58.436072] R13: 00007ffc568b0a50 R14: 0000000000000000 R15: 00000000000000f8 [ 58.436992] [ 58.437319] irq event stamp: 10737 [ 58.437747] hardirqs last enabled at (10747): [] __up_console_sem+0x78/0x80 [ 58.438810] hardirqs last disabled at (10758): [] __up_console_sem+0x5d/0x80 [ 58.439890] softirqs last enabled at (10674): [] irq_exit_rcu+0x93/0xc0 [ 58.440952] softirqs last disabled at (10669): [] irq_exit_rcu+0x93/0xc0 [ 58.441978] ---[ end trace 0000000000000000 ]--- executing program [ 60.001885] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.049332] Bluetooth: hci0: command 0x041b tx timeout [ 64.097243] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.145288] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:12:17 Registers: info registers vcpu 0 RAX=ffffed100d9c137c RBX=1ffff1100d9c139a RCX=0000000000000000 RDX=dffffc0000000000 RSI=0000000000000000 RDI=ffffffff8540f248 RBP=0000000000000001 RSP=ffff88806ce09b48 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff85d34a17 R11=0000000000000001 R12=0000000000000000 R13=ffffffff8542a780 R14=ffffffff8540f248 R15=0000000000000000 RIP=ffffffff812d0db4 RFL=00000082 [--S----] 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 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=00007ffa01e01ad0 CR3=0000000016162000 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=b07d0f5dea68dd8340446016901be390 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=8ef0b6763d95def3000000000013d3c8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=bc92c9d5caacaf8100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000005d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015ad75e0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000005d R11=0000000000000001 R12=000000000000005d 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 00005555559f9400 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=00007f534fc3c6f4 CR3=000000000c45c000 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