Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.180284] sshd (219) used greatest stack depth: 24056 bytes left Warning: Permanently added '[localhost]:63256' (ECDSA) to the list of known hosts. 2023/05/17 15:19:13 fuzzer started 2023/05/17 15:19:14 dialing manager at localhost:44319 2023/05/17 15:19:14 checking machine... 2023/05/17 15:19:14 checking revisions... [ 45.422000] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:19:14 testing simple program... [ 45.493127] cgroup: Unknown subsys name 'net' [ 45.570677] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.638216] audit: type=1400 audit(1684336768.496:6): avc: denied { execmem } for pid=260 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 [ 60.792638] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.795492] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.796622] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.799153] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.800985] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.802240] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.194567] ------------[ cut here ]------------ [ 61.195390] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.197376] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.198709] Modules linked in: [ 61.199257] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.204910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.205951] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.206595] 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 [ 61.208785] RSP: 0018:ffff888016bb7c00 EFLAGS: 00010282 [ 61.209462] RAX: 0000000000000000 RBX: ffff888015b2ec40 RCX: 0000000000000000 [ 61.210362] RDX: ffff88800fa48000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.211263] RBP: ffff888015b2ec54 R08: 0000000000000001 R09: 0000000000000000 [ 61.212162] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.213053] R13: ffffffff84e23fe0 R14: ffff888015b2ec48 R15: ffffffff84d74dc0 [ 61.213948] FS: 0000555556268400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.214944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.215663] CR2: 00007fd3f655d008 CR3: 000000001eea0000 CR4: 0000000000350ee0 [ 61.216568] Call Trace: [ 61.216924] [ 61.217237] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.217848] ipv4_frags_init_net+0x269/0x440 [ 61.218438] ops_init+0xbb/0x6b0 [ 61.218918] setup_net+0x3d9/0x990 [ 61.219412] ? down_read_killable+0x1d7/0x4e0 [ 61.220019] ? __pfx_setup_net+0x10/0x10 [ 61.220531] ? copy_net_ns+0x17c/0x770 [ 61.221069] copy_net_ns+0x321/0x770 [ 61.221554] create_new_namespaces+0x3f6/0xb30 [ 61.222185] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.222802] ksys_unshare+0x44d/0x8e0 [ 61.223334] ? __pfx_ksys_unshare+0x10/0x10 [ 61.223913] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.224623] __x64_sys_unshare+0x31/0x40 [ 61.225178] do_syscall_64+0x3f/0x90 [ 61.225660] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.226343] RIP: 0033:0x7fa09638a0d7 [ 61.226808] 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 [ 61.229000] RSP: 002b:00007fff6bafd328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.229950] RAX: ffffffffffffffda RBX: 00007fff6bafd968 RCX: 00007fa09638a0d7 [ 61.230816] RDX: 00007fa0963f441f RSI: 00007fff6bafd2c0 RDI: 0000000040000000 [ 61.231731] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff6bafd0d0 [ 61.232631] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa09649cbf0 [ 61.233526] R13: 00007fff6bafd400 R14: 0000000000000000 R15: 00000000000000f8 [ 61.234443] [ 61.234747] irq event stamp: 8297 [ 61.235213] hardirqs last enabled at (8309): [] __up_console_sem+0x78/0x80 [ 61.236557] hardirqs last disabled at (8320): [] __up_console_sem+0x5d/0x80 [ 61.237756] softirqs last enabled at (8206): [] irq_exit_rcu+0x93/0xc0 [ 61.238800] softirqs last disabled at (8201): [] irq_exit_rcu+0x93/0xc0 [ 61.239842] ---[ end trace 0000000000000000 ]--- [ 61.244994] ------------[ cut here ]------------ [ 61.245587] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.247256] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.248307] Modules linked in: [ 61.248722] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.249890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.250908] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.251560] 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 [ 61.253738] RSP: 0018:ffff888016bb7c00 EFLAGS: 00010282 [ 61.254432] RAX: 0000000000000000 RBX: ffff888015b6e040 RCX: 0000000000000000 [ 61.255341] RDX: ffff88800fa48000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.256230] RBP: ffff888015b6e054 R08: 0000000000000001 R09: 0000000000000000 [ 61.257119] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.258017] R13: ffffffff84e23fe0 R14: ffff888015b6e048 R15: ffffffff84da7d60 [ 61.258904] FS: 0000555556268400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.259922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.260638] CR2: 00007fd3f655d008 CR3: 000000001eea0000 CR4: 0000000000350ee0 [ 61.261535] Call Trace: [ 61.261889] [ 61.262193] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.262806] ipv6_frags_init_net+0x206/0x3c0 [ 61.263409] ops_init+0xbb/0x6b0 [ 61.263855] setup_net+0x3d9/0x990 [ 61.264389] ? down_read_killable+0x1d7/0x4e0 [ 61.265008] ? __pfx_setup_net+0x10/0x10 [ 61.265523] ? copy_net_ns+0x17c/0x770 [ 61.266070] copy_net_ns+0x321/0x770 [ 61.266562] create_new_namespaces+0x3f6/0xb30 [ 61.267207] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.267823] ksys_unshare+0x44d/0x8e0 [ 61.268341] ? __pfx_ksys_unshare+0x10/0x10 [ 61.268916] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.269625] __x64_sys_unshare+0x31/0x40 [ 61.270177] do_syscall_64+0x3f/0x90 [ 61.270662] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.271348] RIP: 0033:0x7fa09638a0d7 [ 61.271815] 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 [ 61.273993] RSP: 002b:00007fff6bafd328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.274975] RAX: ffffffffffffffda RBX: 00007fff6bafd968 RCX: 00007fa09638a0d7 [ 61.275848] RDX: 00007fa0963f441f RSI: 00007fff6bafd2c0 RDI: 0000000040000000 [ 61.276738] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff6bafd0d0 [ 61.277636] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa09649cbf0 [ 61.278523] R13: 00007fff6bafd400 R14: 0000000000000000 R15: 00000000000000f8 [ 61.279473] [ 61.279771] irq event stamp: 10167 [ 61.280229] hardirqs last enabled at (10179): [] __up_console_sem+0x78/0x80 [ 61.281298] hardirqs last disabled at (10190): [] __up_console_sem+0x5d/0x80 [ 61.282375] softirqs last enabled at (9324): [] irq_exit_rcu+0x93/0xc0 [ 61.283411] softirqs last disabled at (9281): [] irq_exit_rcu+0x93/0xc0 [ 61.284454] ---[ end trace 0000000000000000 ]--- [ 61.285775] ------------[ cut here ]------------ [ 61.286394] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.288283] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.289356] Modules linked in: [ 61.289775] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 61.290972] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.292014] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.292674] 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 [ 61.294838] RSP: 0018:ffff888016bb7bf0 EFLAGS: 00010286 [ 61.295551] RAX: 0000000000000000 RBX: ffff888015b6e640 RCX: 0000000000000000 [ 61.296447] RDX: ffff88800fa48000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 61.297347] RBP: ffff888015b6e654 R08: 0000000000000001 R09: 0000000000000000 [ 61.298244] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.299165] R13: ffffffff84e23fe0 R14: ffff888015b6e648 R15: ffffffff84db0aa0 [ 61.300068] FS: 0000555556268400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.301075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.301790] CR2: 00007fd3f655d008 CR3: 000000001eea0000 CR4: 0000000000350ee0 [ 61.302677] Call Trace: [ 61.303067] [ 61.303370] nf_ct_net_init+0x224/0x3d0 [ 61.303914] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.304486] ops_init+0xbb/0x6b0 [ 61.304960] setup_net+0x3d9/0x990 [ 61.305416] ? down_read_killable+0x1d7/0x4e0 [ 61.306014] ? __pfx_setup_net+0x10/0x10 [ 61.306522] ? copy_net_ns+0x17c/0x770 [ 61.307066] copy_net_ns+0x321/0x770 [ 61.307551] create_new_namespaces+0x3f6/0xb30 [ 61.308177] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.308796] ksys_unshare+0x44d/0x8e0 [ 61.309322] ? __pfx_ksys_unshare+0x10/0x10 [ 61.309900] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.310606] __x64_sys_unshare+0x31/0x40 [ 61.311166] do_syscall_64+0x3f/0x90 [ 61.311649] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.312318] RIP: 0033:0x7fa09638a0d7 [ 61.312780] 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 [ 61.314940] RSP: 002b:00007fff6bafd328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.315912] RAX: ffffffffffffffda RBX: 00007fff6bafd968 RCX: 00007fa09638a0d7 [ 61.316767] RDX: 00007fa0963f441f RSI: 00007fff6bafd2c0 RDI: 0000000040000000 [ 61.317658] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff6bafd0d0 [ 61.318537] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa09649cbf0 [ 61.319445] R13: 00007fff6bafd400 R14: 0000000000000000 R15: 00000000000000f8 [ 61.320375] [ 61.320681] irq event stamp: 10957 [ 61.321141] hardirqs last enabled at (10969): [] __up_console_sem+0x78/0x80 [ 61.322202] hardirqs last disabled at (10980): [] __up_console_sem+0x5d/0x80 [ 61.323302] softirqs last enabled at (10996): [] irq_exit_rcu+0x93/0xc0 [ 61.324343] softirqs last disabled at (10989): [] irq_exit_rcu+0x93/0xc0 [ 61.325382] ---[ end trace 0000000000000000 ]--- [ 62.818475] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.865492] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.912950] Bluetooth: hci0: command 0x040f tx timeout [ 68.960938] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:19:28 Registers: info registers vcpu 0 RAX=00000000000326f3 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f8cc23fc2a0 CR3=000000000c75e000 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=00000000000000000000ff00000000ff XMM02=00000000000000000000ff00000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=2e39322020205b3e343c003038783000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016bb75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555556268400 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=00007fd3f655d008 CR3=000000001eea0000 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