syzkaller login: [ 43.627212] sshd (212) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:22358' (ECDSA) to the list of known hosts. 2023/05/16 13:37:58 fuzzer started 2023/05/16 13:37:58 dialing manager at localhost:35573 2023/05/16 13:37:58 checking machine... 2023/05/16 13:37:58 checking revisions... [ 48.351903] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:37:58 testing simple program... [ 48.423016] cgroup: Unknown subsys name 'net' [ 48.496480] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.492815] audit: type=1400 audit(1684244291.981:6): 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 [ 62.614291] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.616237] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.618600] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.622939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.624442] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.627338] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.050726] ------------[ cut here ]------------ [ 63.051478] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.053430] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.054723] Modules linked in: [ 63.055198] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.060094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.061217] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.061973] 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 [ 63.064364] RSP: 0018:ffff88801928fc00 EFLAGS: 00010282 [ 63.065118] RAX: 0000000000000000 RBX: ffff88800d974840 RCX: 0000000000000000 [ 63.066121] RDX: ffff88801680b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.067112] RBP: ffff88800d974854 R08: 0000000000000001 R09: 0000000000000000 [ 63.068081] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.069058] R13: ffffffff84e223a0 R14: ffff88800d974848 R15: ffffffff84d73340 [ 63.070048] FS: 0000555557541400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.071147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.071960] CR2: 00007f1d0dad36f4 CR3: 000000000e55a000 CR4: 0000000000350ee0 [ 63.072942] Call Trace: [ 63.073315] [ 63.073673] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.074350] ipv4_frags_init_net+0x269/0x440 [ 63.074993] ops_init+0xbb/0x6b0 [ 63.075478] setup_net+0x3d9/0x990 [ 63.076005] ? down_read_killable+0x1d7/0x4e0 [ 63.076658] ? __pfx_setup_net+0x10/0x10 [ 63.077214] ? copy_net_ns+0x17c/0x770 [ 63.077830] copy_net_ns+0x321/0x770 [ 63.078358] create_new_namespaces+0x3f6/0xb30 [ 63.079034] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.079744] ksys_unshare+0x44d/0x8e0 [ 63.080279] ? __pfx_ksys_unshare+0x10/0x10 [ 63.080914] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.081758] __x64_sys_unshare+0x31/0x40 [ 63.082328] do_syscall_64+0x3f/0x90 [ 63.082883] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.083617] RIP: 0033:0x7fee3fec00d7 [ 63.084134] 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 [ 63.086531] RSP: 002b:00007ffff42b1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.087592] RAX: ffffffffffffffda RBX: 00007ffff42b1f88 RCX: 00007fee3fec00d7 [ 63.088577] RDX: 00007fee3ff2a41f RSI: 00007ffff42b18e0 RDI: 0000000040000000 [ 63.089571] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffff42b16f0 [ 63.090512] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fee3ffd2bf0 [ 63.091493] R13: 00007ffff42b1a20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.092497] [ 63.092850] irq event stamp: 8633 [ 63.093329] hardirqs last enabled at (8643): [] __up_console_sem+0x78/0x80 [ 63.094503] hardirqs last disabled at (8654): [] __up_console_sem+0x5d/0x80 [ 63.095675] softirqs last enabled at (8482): [] irq_exit_rcu+0x93/0xc0 [ 63.096810] softirqs last disabled at (8477): [] irq_exit_rcu+0x93/0xc0 [ 63.097955] ---[ end trace 0000000000000000 ]--- [ 63.103669] ------------[ cut here ]------------ [ 63.104317] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.106257] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.107426] Modules linked in: [ 63.107893] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.109157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.110283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.111019] 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 [ 63.113459] RSP: 0018:ffff88801928fc00 EFLAGS: 00010282 [ 63.114217] RAX: 0000000000000000 RBX: ffff88800eed3c40 RCX: 0000000000000000 [ 63.115192] RDX: ffff88801680b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.116181] RBP: ffff88800eed3c54 R08: 0000000000000001 R09: 0000000000000000 [ 63.117154] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.118161] R13: ffffffff84e223a0 R14: ffff88800eed3c48 R15: ffffffff84da62e0 [ 63.119147] FS: 0000555557541400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.120250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.121063] CR2: 00007f1d0dad36f4 CR3: 000000000e55a000 CR4: 0000000000350ee0 [ 63.122024] Call Trace: [ 63.122375] [ 63.122735] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.123405] ipv6_frags_init_net+0x206/0x3c0 [ 63.124051] ops_init+0xbb/0x6b0 [ 63.124569] setup_net+0x3d9/0x990 [ 63.125065] ? down_read_killable+0x1d7/0x4e0 [ 63.125728] ? __pfx_setup_net+0x10/0x10 [ 63.126294] ? copy_net_ns+0x17c/0x770 [ 63.126890] copy_net_ns+0x321/0x770 [ 63.127424] create_new_namespaces+0x3f6/0xb30 [ 63.128095] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.128809] ksys_unshare+0x44d/0x8e0 [ 63.129375] ? __pfx_ksys_unshare+0x10/0x10 [ 63.130017] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.130829] __x64_sys_unshare+0x31/0x40 [ 63.131401] do_syscall_64+0x3f/0x90 [ 63.131950] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.132682] RIP: 0033:0x7fee3fec00d7 [ 63.133188] 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 [ 63.135599] RSP: 002b:00007ffff42b1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.136640] RAX: ffffffffffffffda RBX: 00007ffff42b1f88 RCX: 00007fee3fec00d7 [ 63.137626] RDX: 00007fee3ff2a41f RSI: 00007ffff42b18e0 RDI: 0000000040000000 [ 63.138612] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffff42b16f0 [ 63.139591] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fee3ffd2bf0 [ 63.140566] R13: 00007ffff42b1a20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.141588] [ 63.141915] irq event stamp: 10589 [ 63.142392] hardirqs last enabled at (10599): [] __up_console_sem+0x78/0x80 [ 63.143575] hardirqs last disabled at (10610): [] __up_console_sem+0x5d/0x80 [ 63.144763] softirqs last enabled at (10624): [] irq_exit_rcu+0x93/0xc0 [ 63.145912] softirqs last disabled at (10619): [] irq_exit_rcu+0x93/0xc0 [ 63.147060] ---[ end trace 0000000000000000 ]--- [ 63.148481] ------------[ cut here ]------------ [ 63.149159] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.151333] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.152508] Modules linked in: [ 63.152981] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.154260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.155372] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.156105] 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 [ 63.158559] RSP: 0018:ffff88801928fbf0 EFLAGS: 00010286 [ 63.159276] RAX: 0000000000000000 RBX: ffff88800eed3640 RCX: 0000000000000000 [ 63.160258] RDX: ffff88801680b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.161227] RBP: ffff88800eed3654 R08: 0000000000000001 R09: 0000000000000000 [ 63.162215] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.163182] R13: ffffffff84e223a0 R14: ffff88800eed3648 R15: ffffffff84daf020 [ 63.164176] FS: 0000555557541400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.165271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.166090] CR2: 00007f1d0dad36f4 CR3: 000000000e55a000 CR4: 0000000000350ee0 [ 63.167095] Call Trace: [ 63.167452] [ 63.167819] nf_ct_net_init+0x224/0x3d0 [ 63.168390] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.169044] ops_init+0xbb/0x6b0 [ 63.169581] setup_net+0x3d9/0x990 [ 63.170082] ? down_read_killable+0x1d7/0x4e0 [ 63.170735] ? __pfx_setup_net+0x10/0x10 [ 63.171292] ? copy_net_ns+0x17c/0x770 [ 63.171880] copy_net_ns+0x321/0x770 [ 63.172411] create_new_namespaces+0x3f6/0xb30 [ 63.173083] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.173801] ksys_unshare+0x44d/0x8e0 [ 63.174345] ? __pfx_ksys_unshare+0x10/0x10 [ 63.174981] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.175792] __x64_sys_unshare+0x31/0x40 [ 63.176370] do_syscall_64+0x3f/0x90 [ 63.176940] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.177689] RIP: 0033:0x7fee3fec00d7 [ 63.178199] 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 [ 63.180583] RSP: 002b:00007ffff42b1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.181612] RAX: ffffffffffffffda RBX: 00007ffff42b1f88 RCX: 00007fee3fec00d7 [ 63.182576] RDX: 00007fee3ff2a41f RSI: 00007ffff42b18e0 RDI: 0000000040000000 [ 63.183488] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffff42b16f0 [ 63.184431] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fee3ffd2bf0 [ 63.185379] R13: 00007ffff42b1a20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.186351] [ 63.186701] irq event stamp: 11405 [ 63.187165] hardirqs last enabled at (11415): [] __up_console_sem+0x78/0x80 [ 63.188302] hardirqs last disabled at (11426): [] __up_console_sem+0x5d/0x80 [ 63.189436] softirqs last enabled at (11088): [] irq_exit_rcu+0x93/0xc0 [ 63.190551] softirqs last disabled at (11083): [] irq_exit_rcu+0x93/0xc0 [ 63.191644] ---[ end trace 0000000000000000 ]--- executing program [ 64.639088] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 66.687001] Bluetooth: hci0: command 0x041b tx timeout [ 68.734613] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.782735] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:38:01 Registers: info registers vcpu 0 RAX=0000000000026147 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=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=00007f414c8d5ad8 CR3=000000000e6e4000 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=7ff1c9b6fe5d4780814d016bf8e7e2b2 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=452b3c522d8cdd29000000000013bb38 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f50c07cf060ee6af00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801928f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555557541400 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=00007f1d0dad36f4 CR3=000000000e55a000 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