syzkaller login: [ 40.120307] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:54626' (ECDSA) to the list of known hosts. 2023/05/18 05:41:03 fuzzer started 2023/05/18 05:41:03 dialing manager at localhost:44319 2023/05/18 05:41:03 checking machine... 2023/05/18 05:41:03 checking revisions... [ 41.348077] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:41:03 testing simple program... [ 41.415687] cgroup: Unknown subsys name 'net' [ 41.515187] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.037149] audit: type=1400 audit(1684388477.228:6): 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 [ 56.173883] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.177366] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.179266] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.183633] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.187272] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.188643] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 56.579420] ------------[ cut here ]------------ [ 56.580910] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.583243] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.584458] Modules linked in: [ 56.584886] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.589803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.590974] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.591769] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.594152] RSP: 0018:ffff8880142f7c00 EFLAGS: 00010282 [ 56.595025] RAX: 0000000000000000 RBX: ffff88800ca35040 RCX: 0000000000000000 [ 56.596113] RDX: ffff88801a219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.597155] RBP: ffff88800ca35054 R08: 0000000000000001 R09: 0000000000000000 [ 56.598235] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.599283] R13: ffffffff84e23fe0 R14: ffff88800ca35048 R15: ffffffff84d74dc0 [ 56.600269] FS: 000055555577a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.601311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.602080] CR2: 00007f64517ea6f4 CR3: 0000000016dc0000 CR4: 0000000000350ef0 [ 56.603007] Call Trace: [ 56.603344] [ 56.603683] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.604335] ipv4_frags_init_net+0x269/0x440 [ 56.604956] ops_init+0xbb/0x6b0 [ 56.605458] ? ops_init+0x2/0x6b0 [ 56.605921] setup_net+0x3d9/0x990 [ 56.606382] ? down_read_killable+0x1d7/0x4e0 [ 56.606992] ? __pfx_setup_net+0x10/0x10 [ 56.607540] ? copy_net_ns+0x17c/0x770 [ 56.608046] copy_net_ns+0x321/0x770 [ 56.608559] create_new_namespaces+0x3f6/0xb30 [ 56.609148] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.609796] ksys_unshare+0x44d/0x8e0 [ 56.610315] ? __pfx_ksys_unshare+0x10/0x10 [ 56.610910] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.611676] __x64_sys_unshare+0x31/0x40 [ 56.612193] do_syscall_64+0x3f/0x90 [ 56.612717] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.613372] RIP: 0033:0x7f8d2aadc0d7 [ 56.613864] 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 [ 56.616035] RSP: 002b:00007ffc6db7f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.616977] RAX: ffffffffffffffda RBX: 00007ffc6db7f868 RCX: 00007f8d2aadc0d7 [ 56.617870] RDX: 00007f8d2ab4641f RSI: 00007ffc6db7f1c0 RDI: 0000000040000000 [ 56.618776] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6db7efd0 [ 56.619657] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d2abeebf0 [ 56.620546] R13: 00007ffc6db7f300 R14: 0000000000000000 R15: 00000000000000f8 [ 56.621466] [ 56.621771] irq event stamp: 9503 [ 56.622191] hardirqs last enabled at (9513): [] __up_console_sem+0x78/0x80 [ 56.623259] hardirqs last disabled at (9524): [] __up_console_sem+0x5d/0x80 [ 56.624305] softirqs last enabled at (9140): [] irq_exit_rcu+0x93/0xc0 [ 56.625346] softirqs last disabled at (9115): [] irq_exit_rcu+0x93/0xc0 [ 56.626383] ---[ end trace 0000000000000000 ]--- [ 56.631665] ------------[ cut here ]------------ [ 56.632262] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.634282] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.635383] Modules linked in: [ 56.635819] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.636986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.638045] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.638750] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.640970] RSP: 0018:ffff8880142f7c00 EFLAGS: 00010282 [ 56.641670] RAX: 0000000000000000 RBX: ffff88800d840c40 RCX: 0000000000000000 [ 56.642599] RDX: ffff88801a219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.643493] RBP: ffff88800d840c54 R08: 0000000000000001 R09: 0000000000000000 [ 56.644348] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.645242] R13: ffffffff84e23fe0 R14: ffff88800d840c48 R15: ffffffff84da7d60 [ 56.646133] FS: 000055555577a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.647144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.647889] CR2: 00007f64517ea6f4 CR3: 0000000016dc0000 CR4: 0000000000350ef0 [ 56.648806] Call Trace: [ 56.649131] [ 56.649463] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.650097] ipv6_frags_init_net+0x206/0x3c0 [ 56.650726] ops_init+0xbb/0x6b0 [ 56.651184] ? ops_init+0x2/0x6b0 [ 56.651672] setup_net+0x3d9/0x990 [ 56.652128] ? down_read_killable+0x1d7/0x4e0 [ 56.652730] ? __pfx_setup_net+0x10/0x10 [ 56.653246] ? copy_net_ns+0x17c/0x770 [ 56.653788] copy_net_ns+0x321/0x770 [ 56.654279] create_new_namespaces+0x3f6/0xb30 [ 56.654908] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.655560] ksys_unshare+0x44d/0x8e0 [ 56.656061] ? __pfx_ksys_unshare+0x10/0x10 [ 56.656639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.657361] __x64_sys_unshare+0x31/0x40 [ 56.657920] do_syscall_64+0x3f/0x90 [ 56.658412] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.659104] RIP: 0033:0x7f8d2aadc0d7 [ 56.659611] 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 [ 56.661816] RSP: 002b:00007ffc6db7f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.662802] RAX: ffffffffffffffda RBX: 00007ffc6db7f868 RCX: 00007f8d2aadc0d7 [ 56.663698] RDX: 00007f8d2ab4641f RSI: 00007ffc6db7f1c0 RDI: 0000000040000000 [ 56.664595] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6db7efd0 [ 56.665486] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d2abeebf0 [ 56.666354] R13: 00007ffc6db7f300 R14: 0000000000000000 R15: 00000000000000f8 [ 56.667293] [ 56.667627] irq event stamp: 11255 [ 56.668068] hardirqs last enabled at (11265): [] __up_console_sem+0x78/0x80 [ 56.669134] hardirqs last disabled at (11276): [] __up_console_sem+0x5d/0x80 [ 56.670221] softirqs last enabled at (10926): [] irq_exit_rcu+0x93/0xc0 [ 56.671283] softirqs last disabled at (10917): [] irq_exit_rcu+0x93/0xc0 [ 56.672338] ---[ end trace 0000000000000000 ]--- [ 56.673741] ------------[ cut here ]------------ [ 56.674335] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.676233] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.677299] Modules linked in: [ 56.677738] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.678894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.679904] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.680576] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.682745] RSP: 0018:ffff8880142f7bf0 EFLAGS: 00010286 [ 56.683388] RAX: 0000000000000000 RBX: ffff88800d841440 RCX: 0000000000000000 [ 56.684263] RDX: ffff88801a219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.685191] RBP: ffff88800d841454 R08: 0000000000000001 R09: 0000000000000000 [ 56.686102] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.687055] R13: ffffffff84e23fe0 R14: ffff88800d841448 R15: ffffffff84db0aa0 [ 56.687993] FS: 000055555577a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.689029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.689795] CR2: 00007f64517ea6f4 CR3: 0000000016dc0000 CR4: 0000000000350ef0 [ 56.690742] Call Trace: [ 56.691080] [ 56.691388] nf_ct_net_init+0x224/0x3d0 [ 56.691960] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.692587] ops_init+0xbb/0x6b0 [ 56.693035] ? ops_init+0x2/0x6b0 [ 56.693540] setup_net+0x3d9/0x990 [ 56.694013] ? down_read_killable+0x1d7/0x4e0 [ 56.694660] ? __pfx_setup_net+0x10/0x10 [ 56.695184] ? copy_net_ns+0x17c/0x770 [ 56.695740] copy_net_ns+0x321/0x770 [ 56.696242] create_new_namespaces+0x3f6/0xb30 [ 56.696893] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.697566] ksys_unshare+0x44d/0x8e0 [ 56.698066] ? __pfx_ksys_unshare+0x10/0x10 [ 56.698667] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.699403] __x64_sys_unshare+0x31/0x40 [ 56.699972] do_syscall_64+0x3f/0x90 [ 56.700488] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.701147] RIP: 0033:0x7f8d2aadc0d7 [ 56.701657] 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 [ 56.703920] RSP: 002b:00007ffc6db7f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.704898] RAX: ffffffffffffffda RBX: 00007ffc6db7f868 RCX: 00007f8d2aadc0d7 [ 56.705803] RDX: 00007f8d2ab4641f RSI: 00007ffc6db7f1c0 RDI: 0000000040000000 [ 56.706748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6db7efd0 [ 56.707672] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d2abeebf0 [ 56.708594] R13: 00007ffc6db7f300 R14: 0000000000000000 R15: 00000000000000f8 [ 56.709531] [ 56.709828] irq event stamp: 12069 [ 56.710254] hardirqs last enabled at (12079): [] __up_console_sem+0x78/0x80 [ 56.711331] hardirqs last disabled at (12090): [] __up_console_sem+0x5d/0x80 [ 56.712397] softirqs last enabled at (11874): [] irq_exit_rcu+0x93/0xc0 [ 56.713464] softirqs last disabled at (11867): [] irq_exit_rcu+0x93/0xc0 [ 56.714798] ---[ end trace 0000000000000000 ]--- [ 58.249042] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.296508] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.345524] Bluetooth: hci0: command 0x040f tx timeout [ 64.392505] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:41:15 Registers: info registers vcpu 0 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880142f75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555577a400 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=00007f64517ea6f4 CR3=0000000016dc0000 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=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 info registers vcpu 1 RAX=000000000002dbe9 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007fc521b40000 CR3=0000000015b9e000 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=2038313a31343a35302038312079614d XMM01=5d3031393038352e36352020205b203a 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