Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45839' (ECDSA) to the list of known hosts. 2023/05/18 06:09:34 fuzzer started 2023/05/18 06:09:34 dialing manager at localhost:44319 2023/05/18 06:09:34 checking machine... 2023/05/18 06:09:34 checking revisions... syzkaller login: [ 36.696877] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:09:34 testing simple program... [ 36.748857] cgroup: Unknown subsys name 'net' [ 36.849239] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.251900] audit: type=1400 audit(1684390188.369:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.375853] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.377448] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.378731] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.382028] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.383596] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.385395] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.748111] ------------[ cut here ]------------ [ 51.748897] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.750827] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.752232] Modules linked in: [ 51.752661] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.757735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.758875] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.759551] 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 [ 51.761702] RSP: 0018:ffff88801fc9fc00 EFLAGS: 00010282 [ 51.762390] RAX: 0000000000000000 RBX: ffff888015afb040 RCX: 0000000000000000 [ 51.763282] RDX: ffff888016be3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.764185] RBP: ffff888015afb054 R08: 0000000000000001 R09: 0000000000000000 [ 51.765074] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.765966] R13: ffffffff84e23fe0 R14: ffff888015afb048 R15: ffffffff84d74dc0 [ 51.766844] FS: 0000555556dff400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.767853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.768559] CR2: 00007f91f54fc6f4 CR3: 0000000009e64000 CR4: 0000000000350ef0 [ 51.769445] Call Trace: [ 51.769777] [ 51.770105] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.770718] ipv4_frags_init_net+0x269/0x440 [ 51.771337] ops_init+0xbb/0x6b0 [ 51.771811] setup_net+0x3d9/0x990 [ 51.772276] ? down_read_killable+0x1d7/0x4e0 [ 51.772877] ? __pfx_setup_net+0x10/0x10 [ 51.773382] ? copy_net_ns+0x17c/0x770 [ 51.773914] copy_net_ns+0x321/0x770 [ 51.774396] create_new_namespaces+0x3f6/0xb30 [ 51.775005] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.775624] ksys_unshare+0x44d/0x8e0 [ 51.776134] ? __pfx_ksys_unshare+0x10/0x10 [ 51.776673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.777401] __x64_sys_unshare+0x31/0x40 [ 51.777936] do_syscall_64+0x3f/0x90 [ 51.778419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.779083] RIP: 0033:0x7faefaf120d7 [ 51.779562] 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 [ 51.781707] RSP: 002b:00007ffe71cfcb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.782641] RAX: ffffffffffffffda RBX: 00007ffe71cfd1b8 RCX: 00007faefaf120d7 [ 51.783545] RDX: 00007faefaf7c41f RSI: 00007ffe71cfcb10 RDI: 0000000040000000 [ 51.784429] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe71cfc920 [ 51.785310] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefb024bf0 [ 51.786190] R13: 00007ffe71cfcc50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.787100] [ 51.787409] irq event stamp: 10027 [ 51.787868] hardirqs last enabled at (10039): [] __up_console_sem+0x78/0x80 [ 51.788923] hardirqs last disabled at (10050): [] __up_console_sem+0x5d/0x80 [ 51.789995] softirqs last enabled at (10066): [] irq_exit_rcu+0x93/0xc0 [ 51.791020] softirqs last disabled at (10059): [] irq_exit_rcu+0x93/0xc0 [ 51.792075] ---[ end trace 0000000000000000 ]--- [ 51.797061] ------------[ cut here ]------------ [ 51.797650] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.799288] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.800350] Modules linked in: [ 51.800765] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.801919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.802920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.803575] 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 [ 51.805746] RSP: 0018:ffff88801fc9fc00 EFLAGS: 00010282 [ 51.806418] RAX: 0000000000000000 RBX: ffff88800df68040 RCX: 0000000000000000 [ 51.807315] RDX: ffff888016be3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.808199] RBP: ffff88800df68054 R08: 0000000000000001 R09: 0000000000000000 [ 51.809083] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.809970] R13: ffffffff84e23fe0 R14: ffff88800df68048 R15: ffffffff84da7d60 [ 51.810859] FS: 0000555556dff400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.811865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.812566] CR2: 00007f91f54fc6f4 CR3: 0000000009e64000 CR4: 0000000000350ef0 [ 51.813447] Call Trace: [ 51.813772] [ 51.814097] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.814705] ipv6_frags_init_net+0x206/0x3c0 [ 51.815301] ops_init+0xbb/0x6b0 [ 51.815752] setup_net+0x3d9/0x990 [ 51.816231] ? down_read_killable+0x1d7/0x4e0 [ 51.816824] ? __pfx_setup_net+0x10/0x10 [ 51.817329] ? copy_net_ns+0x17c/0x770 [ 51.817866] copy_net_ns+0x321/0x770 [ 51.818346] create_new_namespaces+0x3f6/0xb30 [ 51.818956] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.819582] ksys_unshare+0x44d/0x8e0 [ 51.820098] ? __pfx_ksys_unshare+0x10/0x10 [ 51.820641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.821375] __x64_sys_unshare+0x31/0x40 [ 51.821913] do_syscall_64+0x3f/0x90 [ 51.822392] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.823058] RIP: 0033:0x7faefaf120d7 [ 51.823547] 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 [ 51.825693] RSP: 002b:00007ffe71cfcb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.826632] RAX: ffffffffffffffda RBX: 00007ffe71cfd1b8 RCX: 00007faefaf120d7 [ 51.827535] RDX: 00007faefaf7c41f RSI: 00007ffe71cfcb10 RDI: 0000000040000000 [ 51.828422] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe71cfc920 [ 51.829300] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefb024bf0 [ 51.830182] R13: 00007ffe71cfcc50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.831081] [ 51.831399] irq event stamp: 11675 [ 51.831864] hardirqs last enabled at (11687): [] __up_console_sem+0x78/0x80 [ 51.832936] hardirqs last disabled at (11698): [] __up_console_sem+0x5d/0x80 [ 51.834007] softirqs last enabled at (11248): [] irq_exit_rcu+0x93/0xc0 [ 51.835033] softirqs last disabled at (11243): [] irq_exit_rcu+0x93/0xc0 [ 51.836079] ---[ end trace 0000000000000000 ]--- [ 51.837377] ------------[ cut here ]------------ [ 51.838031] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.839951] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.841029] Modules linked in: [ 51.841450] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.842639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.843697] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.844412] 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 [ 51.846669] RSP: 0018:ffff88801fc9fbf0 EFLAGS: 00010286 [ 51.847392] RAX: 0000000000000000 RBX: ffff88800df69240 RCX: 0000000000000000 [ 51.848308] RDX: ffff888016be3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.849242] RBP: ffff88800df69254 R08: 0000000000000001 R09: 0000000000000000 [ 51.850156] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.851070] R13: ffffffff84e23fe0 R14: ffff88800df69248 R15: ffffffff84db0aa0 [ 51.851994] FS: 0000555556dff400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.853013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.853741] CR2: 00007f91f54fc6f4 CR3: 0000000009e64000 CR4: 0000000000350ef0 [ 51.854667] Call Trace: [ 51.855028] [ 51.855354] nf_ct_net_init+0x224/0x3d0 [ 51.855917] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.856516] ops_init+0xbb/0x6b0 [ 51.857001] setup_net+0x3d9/0x990 [ 51.857471] ? down_read_killable+0x1d7/0x4e0 [ 51.858085] ? __pfx_setup_net+0x10/0x10 [ 51.858613] ? copy_net_ns+0x17c/0x770 [ 51.859166] copy_net_ns+0x321/0x770 [ 51.859673] create_new_namespaces+0x3f6/0xb30 [ 51.860302] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.860968] ksys_unshare+0x44d/0x8e0 [ 51.861472] ? __pfx_ksys_unshare+0x10/0x10 [ 51.862065] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.862822] __x64_sys_unshare+0x31/0x40 [ 51.863377] do_syscall_64+0x3f/0x90 [ 51.863904] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.864567] RIP: 0033:0x7faefaf120d7 [ 51.865074] 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 [ 51.867331] RSP: 002b:00007ffe71cfcb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.868314] RAX: ffffffffffffffda RBX: 00007ffe71cfd1b8 RCX: 00007faefaf120d7 [ 51.869226] RDX: 00007faefaf7c41f RSI: 00007ffe71cfcb10 RDI: 0000000040000000 [ 51.870143] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe71cfc920 [ 51.871051] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefb024bf0 [ 51.871984] R13: 00007ffe71cfcc50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.872918] [ 51.873228] irq event stamp: 12461 [ 51.873676] hardirqs last enabled at (12471): [] __up_console_sem+0x78/0x80 [ 51.874776] hardirqs last disabled at (12482): [] __up_console_sem+0x5d/0x80 [ 51.875915] softirqs last enabled at (12386): [] irq_exit_rcu+0x93/0xc0 [ 51.876976] softirqs last disabled at (12381): [] irq_exit_rcu+0x93/0xc0 [ 51.878029] ---[ end trace 0000000000000000 ]--- [ 53.454373] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.501940] Bluetooth: hci0: command 0x041b tx timeout [ 57.549917] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.599137] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:09:48 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fc9f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556dff400 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=00007f91f54fc6f4 CR3=0000000009e64000 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=aa07d2ba71af15b9a14485f4345a8486 XMM02=00000000000fb6e0a3797342f9eb3dd9 XMM03=00000000000fb95868a8aee3740b9fad XMM04=d1d7a3042b9b856c00000000000ae988 XMM05=95751a8ce3f461f8000000000013af40 XMM06=6098c19552daab49000000000011efa0 XMM07=ea899072da79512f00000000000fb958 XMM08=d12871896912de2d00000000000fb6e0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000024fff 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=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 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=00007fcbaa752008 CR3=000000000ede4000 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=aa07d2ba71af15b9a14485f4345a8486 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4ed7469e07144e63000000000013bf60 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d1d7a3042b9b856c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000