syzkaller login: [ 37.550393] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:4931' (ECDSA) to the list of known hosts. 2023/05/16 18:30:58 fuzzer started 2023/05/16 18:30:58 dialing manager at localhost:35573 2023/05/16 18:30:58 checking machine... 2023/05/16 18:30:58 checking revisions... [ 39.623503] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:30:59 testing simple program... [ 39.700896] cgroup: Unknown subsys name 'net' [ 39.796436] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.791528] audit: type=1400 audit(1684261873.297:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 54.914815] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.916974] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.920722] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.926938] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.929201] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.930825] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.338375] ------------[ cut here ]------------ [ 55.339224] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.341472] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.343185] Modules linked in: [ 55.343724] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.346217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.348584] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.349405] 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 [ 55.352047] RSP: 0018:ffff88801ed67c00 EFLAGS: 00010282 [ 55.352829] RAX: 0000000000000000 RBX: ffff88801006f040 RCX: 0000000000000000 [ 55.353896] RDX: ffff88801921d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.355008] RBP: ffff88801006f054 R08: 0000000000000001 R09: 0000000000000000 [ 55.356089] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.357147] R13: ffffffff84e223a0 R14: ffff88801006f048 R15: ffffffff84d73340 [ 55.358224] FS: 0000555556837400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.359419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.360299] CR2: 00007f8edc2126f4 CR3: 000000000eaf4000 CR4: 0000000000350ee0 [ 55.361364] Call Trace: [ 55.361753] [ 55.362159] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.362893] ipv4_frags_init_net+0x269/0x440 [ 55.363595] ops_init+0xbb/0x6b0 [ 55.364163] setup_net+0x3d9/0x990 [ 55.364707] ? down_read_killable+0x1d7/0x4e0 [ 55.365411] ? __pfx_setup_net+0x10/0x10 [ 55.366080] ? copy_net_ns+0x17c/0x770 [ 55.366688] copy_net_ns+0x321/0x770 [ 55.367299] create_new_namespaces+0x3f6/0xb30 [ 55.368003] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.368779] ksys_unshare+0x44d/0x8e0 [ 55.369401] ? __pfx_ksys_unshare+0x10/0x10 [ 55.370102] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.370953] __x64_sys_unshare+0x31/0x40 [ 55.371604] do_syscall_64+0x3f/0x90 [ 55.372209] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.372980] RIP: 0033:0x7f7c478960d7 [ 55.373569] 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 [ 55.376180] RSP: 002b:00007ffe0c726088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.377308] RAX: ffffffffffffffda RBX: 00007ffe0c7266c8 RCX: 00007f7c478960d7 [ 55.378420] RDX: 00007f7c4790041f RSI: 00007ffe0c726020 RDI: 0000000040000000 [ 55.379476] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0c725e30 [ 55.380550] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7c479a8bf0 [ 55.381608] R13: 00007ffe0c726160 R14: 0000000000000000 R15: 00000000000000f8 [ 55.382715] [ 55.383110] irq event stamp: 7707 [ 55.383616] hardirqs last enabled at (7717): [] __up_console_sem+0x78/0x80 [ 55.384886] hardirqs last disabled at (7728): [] __up_console_sem+0x5d/0x80 [ 55.386169] softirqs last enabled at (7246): [] irq_exit_rcu+0x93/0xc0 [ 55.387407] softirqs last disabled at (7191): [] irq_exit_rcu+0x93/0xc0 [ 55.388632] ---[ end trace 0000000000000000 ]--- [ 55.395347] ------------[ cut here ]------------ [ 55.396091] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.397994] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.399191] Modules linked in: [ 55.399639] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.400900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.402000] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.402751] 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 [ 55.405083] RSP: 0018:ffff88801ed67c00 EFLAGS: 00010282 [ 55.405824] RAX: 0000000000000000 RBX: ffff88800d6f3c40 RCX: 0000000000000000 [ 55.406894] RDX: ffff88801921d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.407941] RBP: ffff88800d6f3c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.408994] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.410068] R13: ffffffff84e223a0 R14: ffff88800d6f3c48 R15: ffffffff84da62e0 [ 55.411129] FS: 0000555556837400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.412308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.413168] CR2: 00007f8edc2126f4 CR3: 000000000eaf4000 CR4: 0000000000350ee0 [ 55.414251] Call Trace: [ 55.414646] [ 55.414996] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.415777] ipv6_frags_init_net+0x206/0x3c0 [ 55.416478] ops_init+0xbb/0x6b0 [ 55.417041] setup_net+0x3d9/0x990 [ 55.417583] ? down_read_killable+0x1d7/0x4e0 [ 55.418326] ? __pfx_setup_net+0x10/0x10 [ 55.418934] ? copy_net_ns+0x17c/0x770 [ 55.419573] copy_net_ns+0x321/0x770 [ 55.420183] create_new_namespaces+0x3f6/0xb30 [ 55.420883] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.421658] ksys_unshare+0x44d/0x8e0 [ 55.422293] ? __pfx_ksys_unshare+0x10/0x10 [ 55.422952] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.423841] __x64_sys_unshare+0x31/0x40 [ 55.424492] do_syscall_64+0x3f/0x90 [ 55.425105] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.425874] RIP: 0033:0x7f7c478960d7 [ 55.426484] 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 [ 55.429091] RSP: 002b:00007ffe0c726088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.430278] RAX: ffffffffffffffda RBX: 00007ffe0c7266c8 RCX: 00007f7c478960d7 [ 55.431350] RDX: 00007f7c4790041f RSI: 00007ffe0c726020 RDI: 0000000040000000 [ 55.432420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0c725e30 [ 55.433520] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7c479a8bf0 [ 55.434600] R13: 00007ffe0c726160 R14: 0000000000000000 R15: 00000000000000f8 [ 55.435689] [ 55.436085] irq event stamp: 9911 [ 55.436599] hardirqs last enabled at (9921): [] __up_console_sem+0x78/0x80 [ 55.437869] hardirqs last disabled at (9932): [] __up_console_sem+0x5d/0x80 [ 55.439077] softirqs last enabled at (9326): [] irq_exit_rcu+0x93/0xc0 [ 55.440201] softirqs last disabled at (9303): [] irq_exit_rcu+0x93/0xc0 [ 55.441319] ---[ end trace 0000000000000000 ]--- [ 55.442850] ------------[ cut here ]------------ [ 55.443547] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.445730] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.447029] Modules linked in: [ 55.447515] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.448893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.450102] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.450865] 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 [ 55.453432] RSP: 0018:ffff88801ed67bf0 EFLAGS: 00010286 [ 55.454257] RAX: 0000000000000000 RBX: ffff88800d6f3440 RCX: 0000000000000000 [ 55.455329] RDX: ffff88801921d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.456387] RBP: ffff88800d6f3454 R08: 0000000000000001 R09: 0000000000000000 [ 55.457445] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.458517] R13: ffffffff84e223a0 R14: ffff88800d6f3448 R15: ffffffff84daf020 [ 55.459570] FS: 0000555556837400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.460753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.461627] CR2: 00007f8edc2126f4 CR3: 000000000eaf4000 CR4: 0000000000350ee0 [ 55.462691] Call Trace: [ 55.463110] [ 55.463461] nf_ct_net_init+0x224/0x3d0 [ 55.464170] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.464901] ops_init+0xbb/0x6b0 [ 55.465414] setup_net+0x3d9/0x990 [ 55.465886] ? down_read_killable+0x1d7/0x4e0 [ 55.466548] ? __pfx_setup_net+0x10/0x10 [ 55.467104] ? copy_net_ns+0x17c/0x770 [ 55.467627] copy_net_ns+0x321/0x770 [ 55.468159] create_new_namespaces+0x3f6/0xb30 [ 55.468767] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.469452] ksys_unshare+0x44d/0x8e0 [ 55.469964] ? __pfx_ksys_unshare+0x10/0x10 [ 55.470574] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.471340] __x64_sys_unshare+0x31/0x40 [ 55.471876] do_syscall_64+0x3f/0x90 [ 55.472409] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.473114] RIP: 0033:0x7f7c478960d7 [ 55.473597] 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 [ 55.475859] RSP: 002b:00007ffe0c726088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.476832] RAX: ffffffffffffffda RBX: 00007ffe0c7266c8 RCX: 00007f7c478960d7 [ 55.477750] RDX: 00007f7c4790041f RSI: 00007ffe0c726020 RDI: 0000000040000000 [ 55.478697] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0c725e30 [ 55.479633] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7c479a8bf0 [ 55.480552] R13: 00007ffe0c726160 R14: 0000000000000000 R15: 00000000000000f8 [ 55.481504] [ 55.481824] irq event stamp: 10645 [ 55.482316] hardirqs last enabled at (10657): [] __up_console_sem+0x78/0x80 [ 55.483422] hardirqs last disabled at (10668): [] __up_console_sem+0x5d/0x80 [ 55.484531] softirqs last enabled at (10244): [] irq_exit_rcu+0x93/0xc0 [ 55.485620] softirqs last disabled at (10239): [] irq_exit_rcu+0x93/0xc0 [ 55.486714] ---[ end trace 0000000000000000 ]--- [ 56.995777] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.042118] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.090185] Bluetooth: hci0: command 0x040f tx timeout [ 63.138104] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:31:10 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000004 RCX=ffffffff8449f703 RDX=0000000000000000 RSI=0000000000000003 RDI=0000000000000001 RBP=ffffffff84e313e0 RSP=ffff88800d9b76a8 R8 =0000000000000001 R9 =0000000000000003 R10=0000000000000000 R11=fffffffffffcb410 R12=0000000000000000 R13=0000000000000001 R14=0000000000000008 R15=ffff88800d9b77e0 RIP=ffffffff814bf259 RFL=00000202 [-------] 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 00007f6240724700 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=00007f251c296bb0 CR3=000000000e406000 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=2034313a31333a38312036312079614d XMM01=5d3432323933332e35352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ed67618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555556837400 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=00007f8edc2126f4 CR3=000000000eaf4000 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