syzkaller login: [ 47.829263] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:35713' (ECDSA) to the list of known hosts. 2023/05/16 13:19:37 fuzzer started 2023/05/16 13:19:38 dialing manager at localhost:35573 2023/05/16 13:19:38 checking machine... 2023/05/16 13:19:38 checking revisions... [ 49.109881] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:19:38 testing simple program... [ 49.179095] cgroup: Unknown subsys name 'net' [ 49.266183] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.710713] audit: type=1400 audit(1684243191.144:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 62.840700] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.842575] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.845306] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.848212] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.850609] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.851773] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.246181] ------------[ cut here ]------------ [ 63.246881] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.248725] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.249886] Modules linked in: [ 63.250305] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.252612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.255353] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.256514] 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 [ 63.258794] RSP: 0018:ffff88800fda7c00 EFLAGS: 00010282 [ 63.259613] RAX: 0000000000000000 RBX: ffff88800d62cc40 RCX: 0000000000000000 [ 63.260608] RDX: ffff88801a003680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.261685] RBP: ffff88800d62cc54 R08: 0000000000000001 R09: 0000000000000000 [ 63.262753] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.263756] R13: ffffffff84e223a0 R14: ffff88800d62cc48 R15: ffffffff84d73340 [ 63.264704] FS: 0000555555d32400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.265810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.266607] CR2: 00007f9ff1d596f4 CR3: 00000000202e4000 CR4: 0000000000350ee0 [ 63.267597] Call Trace: [ 63.267953] [ 63.268276] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.268986] ipv4_frags_init_net+0x269/0x440 [ 63.269659] ops_init+0xbb/0x6b0 [ 63.270132] setup_net+0x3d9/0x990 [ 63.270666] ? down_read_killable+0x1d7/0x4e0 [ 63.271285] ? __pfx_setup_net+0x10/0x10 [ 63.271875] ? copy_net_ns+0x17c/0x770 [ 63.272415] copy_net_ns+0x321/0x770 [ 63.272970] create_new_namespaces+0x3f6/0xb30 [ 63.273653] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.274325] ksys_unshare+0x44d/0x8e0 [ 63.274898] ? __pfx_ksys_unshare+0x10/0x10 [ 63.275531] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.276294] __x64_sys_unshare+0x31/0x40 [ 63.276892] do_syscall_64+0x3f/0x90 [ 63.277396] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.278157] RIP: 0033:0x7f2aa132a0d7 [ 63.278697] 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 [ 63.281073] RSP: 002b:00007fff675833a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.282144] RAX: ffffffffffffffda RBX: 00007fff675839e8 RCX: 00007f2aa132a0d7 [ 63.283120] RDX: 00007f2aa139441f RSI: 00007fff67583340 RDI: 0000000040000000 [ 63.284084] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff67583150 [ 63.285045] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2aa143cbf0 [ 63.286031] R13: 00007fff67583480 R14: 0000000000000000 R15: 00000000000000f8 [ 63.287025] [ 63.287347] irq event stamp: 8221 [ 63.287844] hardirqs last enabled at (8233): [] __up_console_sem+0x78/0x80 [ 63.288987] hardirqs last disabled at (8244): [] __up_console_sem+0x5d/0x80 [ 63.290139] softirqs last enabled at (7854): [] irq_exit_rcu+0x93/0xc0 [ 63.291262] softirqs last disabled at (7833): [] irq_exit_rcu+0x93/0xc0 [ 63.292397] ---[ end trace 0000000000000000 ]--- [ 63.299412] ------------[ cut here ]------------ [ 63.300118] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.301948] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.303115] Modules linked in: [ 63.303598] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.304862] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.306009] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.306749] 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 [ 63.309127] RSP: 0018:ffff88800fda7c00 EFLAGS: 00010282 [ 63.309884] RAX: 0000000000000000 RBX: ffff888015e72e40 RCX: 0000000000000000 [ 63.310856] RDX: ffff88801a003680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.311842] RBP: ffff888015e72e54 R08: 0000000000000001 R09: 0000000000000000 [ 63.312829] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.313837] R13: ffffffff84e223a0 R14: ffff888015e72e48 R15: ffffffff84da62e0 [ 63.314824] FS: 0000555555d32400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.315927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.316741] CR2: 00007f9ff1d596f4 CR3: 00000000202e4000 CR4: 0000000000350ee0 [ 63.317730] Call Trace: [ 63.318097] [ 63.318459] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.319154] ipv6_frags_init_net+0x206/0x3c0 [ 63.319800] ops_init+0xbb/0x6b0 [ 63.320288] setup_net+0x3d9/0x990 [ 63.320820] ? down_read_killable+0x1d7/0x4e0 [ 63.321483] ? __pfx_setup_net+0x10/0x10 [ 63.322073] ? copy_net_ns+0x17c/0x770 [ 63.322672] copy_net_ns+0x321/0x770 [ 63.323201] create_new_namespaces+0x3f6/0xb30 [ 63.323880] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.324595] ksys_unshare+0x44d/0x8e0 [ 63.325142] ? __pfx_ksys_unshare+0x10/0x10 [ 63.325798] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.326580] __x64_sys_unshare+0x31/0x40 [ 63.327134] do_syscall_64+0x3f/0x90 [ 63.327682] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.328377] RIP: 0033:0x7f2aa132a0d7 [ 63.328905] 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 [ 63.331239] RSP: 002b:00007fff675833a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.332250] RAX: ffffffffffffffda RBX: 00007fff675839e8 RCX: 00007f2aa132a0d7 [ 63.333184] RDX: 00007f2aa139441f RSI: 00007fff67583340 RDI: 0000000040000000 [ 63.334161] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff67583150 [ 63.335099] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2aa143cbf0 [ 63.336064] R13: 00007fff67583480 R14: 0000000000000000 R15: 00000000000000f8 [ 63.337021] [ 63.337344] irq event stamp: 10589 [ 63.337851] hardirqs last enabled at (10601): [] __up_console_sem+0x78/0x80 [ 63.338956] hardirqs last disabled at (10612): [] __up_console_sem+0x5d/0x80 [ 63.340084] softirqs last enabled at (10064): [] irq_exit_rcu+0x93/0xc0 [ 63.341167] softirqs last disabled at (10043): [] irq_exit_rcu+0x93/0xc0 [ 63.342286] ---[ end trace 0000000000000000 ]--- [ 63.343703] ------------[ cut here ]------------ [ 63.344298] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.346267] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.347378] Modules linked in: [ 63.347841] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.349064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.350154] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.350856] 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 [ 63.353174] RSP: 0018:ffff88800fda7bf0 EFLAGS: 00010286 [ 63.353919] RAX: 0000000000000000 RBX: ffff888015e72840 RCX: 0000000000000000 [ 63.354875] RDX: ffff88801a003680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.355813] RBP: ffff888015e72854 R08: 0000000000000001 R09: 0000000000000000 [ 63.356756] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.357697] R13: ffffffff84e223a0 R14: ffff888015e72848 R15: ffffffff84daf020 [ 63.358629] FS: 0000555555d32400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.359677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.360462] CR2: 00007f9ff1d596f4 CR3: 00000000202e4000 CR4: 0000000000350ee0 [ 63.361372] Call Trace: [ 63.361774] [ 63.362097] nf_ct_net_init+0x224/0x3d0 [ 63.362678] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.363274] ops_init+0xbb/0x6b0 [ 63.363779] setup_net+0x3d9/0x990 [ 63.364254] ? down_read_killable+0x1d7/0x4e0 [ 63.364881] ? __pfx_setup_net+0x10/0x10 [ 63.365464] ? copy_net_ns+0x17c/0x770 [ 63.366015] copy_net_ns+0x321/0x770 [ 63.366555] create_new_namespaces+0x3f6/0xb30 [ 63.367168] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.367850] ksys_unshare+0x44d/0x8e0 [ 63.368373] ? __pfx_ksys_unshare+0x10/0x10 [ 63.369011] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.369843] __x64_sys_unshare+0x31/0x40 [ 63.370396] do_syscall_64+0x3f/0x90 [ 63.370948] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.371691] RIP: 0033:0x7f2aa132a0d7 [ 63.372195] 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 [ 63.374587] RSP: 002b:00007fff675833a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.375628] RAX: ffffffffffffffda RBX: 00007fff675839e8 RCX: 00007f2aa132a0d7 [ 63.376599] RDX: 00007f2aa139441f RSI: 00007fff67583340 RDI: 0000000040000000 [ 63.377556] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff67583150 [ 63.378540] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2aa143cbf0 [ 63.379516] R13: 00007fff67583480 R14: 0000000000000000 R15: 00000000000000f8 [ 63.380507] [ 63.380827] irq event stamp: 11425 [ 63.381289] hardirqs last enabled at (11435): [] __up_console_sem+0x78/0x80 [ 63.382485] hardirqs last disabled at (11446): [] __up_console_sem+0x5d/0x80 [ 63.383637] softirqs last enabled at (11050): [] irq_exit_rcu+0x93/0xc0 [ 63.384776] softirqs last disabled at (11045): [] irq_exit_rcu+0x93/0xc0 [ 63.385911] ---[ end trace 0000000000000000 ]--- executing program [ 64.926245] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 66.973774] Bluetooth: hci0: command 0x041b tx timeout [ 69.021558] Bluetooth: hci0: command 0x040f tx timeout executing program [ 71.069594] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:19:40 Registers: info registers vcpu 0 RAX=000000000002397f 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=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=00007f21fc0e0950 CR3=000000000e468000 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=2032353a39313a33312036312079614d XMM01=5d3530333035322e33362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 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=ffff88800fda75e8 R8 =0000000000000001 R9 =ffffed1001fb4eae R10=0000000000000003 R11=0000000000000001 R12=0000000000000039 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 0000555555d32400 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=00007f9ff1d596f4 CR3=00000000202e4000 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