syzkaller login: [ 38.673562] sshd (219) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:14607' (ECDSA) to the list of known hosts. 2023/05/17 11:22:21 fuzzer started 2023/05/17 11:22:21 dialing manager at localhost:44319 2023/05/17 11:22:21 checking machine... 2023/05/17 11:22:21 checking revisions... [ 40.736127] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:22:21 testing simple program... [ 40.800877] cgroup: Unknown subsys name 'net' [ 40.893930] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.437034] audit: type=1400 audit(1684322555.663:6): 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 [ 55.558373] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.560104] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.562371] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.566825] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.571353] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.573526] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 55.879057] ------------[ cut here ]------------ [ 55.880191] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.881770] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.882585] Modules linked in: [ 55.882879] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.883753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.885671] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.887054] 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 [ 55.889522] RSP: 0018:ffff888016ccfc00 EFLAGS: 00010282 [ 55.889978] RAX: 0000000000000000 RBX: ffff88800ec8c040 RCX: 0000000000000000 [ 55.890614] RDX: ffff888016c7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.891242] RBP: ffff88800ec8c054 R08: 0000000000000001 R09: 0000000000000000 [ 55.891841] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.892466] R13: ffffffff84e23fe0 R14: ffff88800ec8c048 R15: ffffffff84d74dc0 [ 55.893075] FS: 0000555556c01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.893772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.894299] CR2: 00007f348e6716f4 CR3: 0000000017c28000 CR4: 0000000000350ef0 [ 55.894902] Call Trace: [ 55.895130] [ 55.895373] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.895810] ipv4_frags_init_net+0x269/0x440 [ 55.896230] ops_init+0xbb/0x6b0 [ 55.896552] setup_net+0x3d9/0x990 [ 55.896893] ? down_read_killable+0x1d7/0x4e0 [ 55.897327] ? __pfx_setup_net+0x10/0x10 [ 55.897689] ? copy_net_ns+0x17c/0x770 [ 55.898049] copy_net_ns+0x321/0x770 [ 55.898418] create_new_namespaces+0x3f6/0xb30 [ 55.898832] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.899290] ksys_unshare+0x44d/0x8e0 [ 55.899637] ? __pfx_ksys_unshare+0x10/0x10 [ 55.900017] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.900546] __x64_sys_unshare+0x31/0x40 [ 55.900922] do_syscall_64+0x3f/0x90 [ 55.901289] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.901747] RIP: 0033:0x7ff42b1f70d7 [ 55.902071] 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 [ 55.903588] RSP: 002b:00007ffd46aef348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.904266] RAX: ffffffffffffffda RBX: 00007ffd46aef988 RCX: 00007ff42b1f70d7 [ 55.904887] RDX: 00007ff42b26141f RSI: 00007ffd46aef2e0 RDI: 0000000040000000 [ 55.905512] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd46aef0f0 [ 55.906110] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff42b309bf0 [ 55.906733] R13: 00007ffd46aef420 R14: 0000000000000000 R15: 00000000000000f8 [ 55.907375] [ 55.907586] irq event stamp: 8943 [ 55.907882] hardirqs last enabled at (8953): [] __up_console_sem+0x78/0x80 [ 55.908641] hardirqs last disabled at (8964): [] __up_console_sem+0x5d/0x80 [ 55.909385] softirqs last enabled at (8496): [] irq_exit_rcu+0x93/0xc0 [ 55.910081] softirqs last disabled at (8475): [] irq_exit_rcu+0x93/0xc0 [ 55.910805] ---[ end trace 0000000000000000 ]--- [ 55.915609] ------------[ cut here ]------------ [ 55.916029] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.917308] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.918040] Modules linked in: [ 55.918354] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.919135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.919864] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.920352] 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 [ 55.921885] RSP: 0018:ffff888016ccfc00 EFLAGS: 00010282 [ 55.922369] RAX: 0000000000000000 RBX: ffff888013a68440 RCX: 0000000000000000 [ 55.922973] RDX: ffff888016c7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.923598] RBP: ffff888013a68454 R08: 0000000000000001 R09: 0000000000000000 [ 55.924235] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.924838] R13: ffffffff84e23fe0 R14: ffff888013a68448 R15: ffffffff84da7d60 [ 55.925466] FS: 0000555556c01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.926138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.926665] CR2: 00007f348e6716f4 CR3: 0000000017c28000 CR4: 0000000000350ef0 [ 55.927300] Call Trace: [ 55.927530] [ 55.927742] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.928173] ipv6_frags_init_net+0x206/0x3c0 [ 55.928613] ops_init+0xbb/0x6b0 [ 55.928930] setup_net+0x3d9/0x990 [ 55.929283] ? down_read_killable+0x1d7/0x4e0 [ 55.929726] ? __pfx_setup_net+0x10/0x10 [ 55.930084] ? copy_net_ns+0x17c/0x770 [ 55.930471] copy_net_ns+0x321/0x770 [ 55.930812] create_new_namespaces+0x3f6/0xb30 [ 55.931257] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.931689] ksys_unshare+0x44d/0x8e0 [ 55.932032] ? __pfx_ksys_unshare+0x10/0x10 [ 55.932448] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.932959] __x64_sys_unshare+0x31/0x40 [ 55.933349] do_syscall_64+0x3f/0x90 [ 55.933687] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.934137] RIP: 0033:0x7ff42b1f70d7 [ 55.934492] 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 [ 55.936018] RSP: 002b:00007ffd46aef348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.936702] RAX: ffffffffffffffda RBX: 00007ffd46aef988 RCX: 00007ff42b1f70d7 [ 55.937346] RDX: 00007ff42b26141f RSI: 00007ffd46aef2e0 RDI: 0000000040000000 [ 55.937943] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd46aef0f0 [ 55.938565] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff42b309bf0 [ 55.939162] R13: 00007ffd46aef420 R14: 0000000000000000 R15: 00000000000000f8 [ 55.939809] [ 55.940022] irq event stamp: 10817 [ 55.940353] hardirqs last enabled at (10829): [] __up_console_sem+0x78/0x80 [ 55.941084] hardirqs last disabled at (10838): [] __up_console_sem+0x5d/0x80 [ 55.941833] softirqs last enabled at (10456): [] irq_exit_rcu+0x93/0xc0 [ 55.942576] softirqs last disabled at (10859): [] irq_exit_rcu+0x93/0xc0 [ 55.943310] ---[ end trace 0000000000000000 ]--- [ 55.944311] ------------[ cut here ]------------ [ 55.944734] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.946170] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.946921] Modules linked in: [ 55.947234] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.948015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.948731] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.949186] 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 [ 55.950720] RSP: 0018:ffff888016ccfbf0 EFLAGS: 00010286 [ 55.951178] RAX: 0000000000000000 RBX: ffff888013a69840 RCX: 0000000000000000 [ 55.951810] RDX: ffff888016c7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.952433] RBP: ffff888013a69854 R08: 0000000000000001 R09: 0000000000000000 [ 55.953037] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.953660] R13: ffffffff84e23fe0 R14: ffff888013a69848 R15: ffffffff84db0aa0 [ 55.954291] FS: 0000555556c01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.954968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.955488] CR2: 00007f348e6716f4 CR3: 0000000017c28000 CR4: 0000000000350ef0 [ 55.956094] Call Trace: [ 55.956351] [ 55.956566] nf_ct_net_init+0x224/0x3d0 [ 55.956951] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.957389] ops_init+0xbb/0x6b0 [ 55.957709] setup_net+0x3d9/0x990 [ 55.958028] ? down_read_killable+0x1d7/0x4e0 [ 55.958462] ? __pfx_setup_net+0x10/0x10 [ 55.958823] ? copy_net_ns+0x17c/0x770 [ 55.959177] copy_net_ns+0x321/0x770 [ 55.959552] create_new_namespaces+0x3f6/0xb30 [ 55.959960] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.960417] ksys_unshare+0x44d/0x8e0 [ 55.960771] ? __pfx_ksys_unshare+0x10/0x10 [ 55.961149] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.961677] __x64_sys_unshare+0x31/0x40 [ 55.962040] do_syscall_64+0x3f/0x90 [ 55.962403] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.962855] RIP: 0033:0x7ff42b1f70d7 [ 55.963177] 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 [ 55.964720] RSP: 002b:00007ffd46aef348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.965384] RAX: ffffffffffffffda RBX: 00007ffd46aef988 RCX: 00007ff42b1f70d7 [ 55.965985] RDX: 00007ff42b26141f RSI: 00007ffd46aef2e0 RDI: 0000000040000000 [ 55.966611] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd46aef0f0 [ 55.967237] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff42b309bf0 [ 55.967835] R13: 00007ffd46aef420 R14: 0000000000000000 R15: 00000000000000f8 [ 55.968477] [ 55.968708] irq event stamp: 11625 [ 55.969009] hardirqs last enabled at (11635): [] __up_console_sem+0x78/0x80 [ 55.969762] hardirqs last disabled at (11646): [] __up_console_sem+0x5d/0x80 [ 55.970523] softirqs last enabled at (11136): [] irq_exit_rcu+0x93/0xc0 [ 55.971256] softirqs last disabled at (11065): [] irq_exit_rcu+0x93/0xc0 [ 55.971959] ---[ end trace 0000000000000000 ]--- [ 57.638753] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.686336] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.734264] Bluetooth: hci0: command 0x040f tx timeout [ 63.782342] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:22:31 Registers: info registers vcpu 0 RAX=0000000000000067 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016ccf5e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000067 R11=0000000000000001 R12=0000000000000067 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 0000555556c01400 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=00007f348e6716f4 CR3=0000000017c28000 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=0000000000000000 RBX=0000000000000038 RCX=0000000000000000 RDX=ffff888016001b40 RSI=ffffffff844630d0 RDI=0000000000000006 RBP=ffff888016299e08 RSP=ffff88800e337cc0 R8 =0000000000000006 R9 =00007f84dd90f380 R10=000055f7ebe3ffff R11=0000000000000001 R12=0000000000000006 R13=000000000000000d R14=00007f84dd90f380 R15=000055f7ebe3ffff RIP=ffffffff814be67b RFL=00000246 [---Z-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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f84de506900 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=00007f84dd90f380 CR3=000000000ee58000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=20382020382020342020322020312020 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000