Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:50539' (ECDSA) to the list of known hosts. 2023/05/17 07:27:39 fuzzer started 2023/05/17 07:27:39 dialing manager at localhost:35573 2023/05/17 07:27:39 checking machine... 2023/05/17 07:27:39 checking revisions... syzkaller login: [ 38.009751] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:27:40 testing simple program... [ 38.078406] cgroup: Unknown subsys name 'net' [ 38.154344] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.894922] audit: type=1400 audit(1684308472.897:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.024923] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.026456] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.028405] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.032671] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.035055] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.036899] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.325472] ------------[ cut here ]------------ [ 52.326005] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.327386] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.328327] Modules linked in: [ 52.328662] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.329951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.334067] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.334562] 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 [ 52.336307] RSP: 0018:ffff888018bb7c00 EFLAGS: 00010282 [ 52.336929] RAX: 0000000000000000 RBX: ffff88800e5fe440 RCX: 0000000000000000 [ 52.337588] RDX: ffff8880147bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.338355] RBP: ffff88800e5fe454 R08: 0000000000000001 R09: 0000000000000000 [ 52.339107] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.339865] R13: ffffffff84e223a0 R14: ffff88800e5fe448 R15: ffffffff84d73340 [ 52.340542] FS: 0000555555f52400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.341367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.341992] CR2: 00007f4b1c2026f4 CR3: 000000000ecf6000 CR4: 0000000000350ef0 [ 52.342653] Call Trace: [ 52.342978] [ 52.343205] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.343676] ipv4_frags_init_net+0x269/0x440 [ 52.344187] ops_init+0xbb/0x6b0 [ 52.344549] setup_net+0x3d9/0x990 [ 52.345009] ? down_read_killable+0x1d7/0x4e0 [ 52.345446] ? __pfx_setup_net+0x10/0x10 [ 52.345917] ? copy_net_ns+0x17c/0x770 [ 52.346310] copy_net_ns+0x321/0x770 [ 52.346679] create_new_namespaces+0x3f6/0xb30 [ 52.347216] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.347770] ksys_unshare+0x44d/0x8e0 [ 52.348154] ? __pfx_ksys_unshare+0x10/0x10 [ 52.348594] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.349235] __x64_sys_unshare+0x31/0x40 [ 52.349640] do_syscall_64+0x3f/0x90 [ 52.350084] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.350586] RIP: 0033:0x7fd9d45780d7 [ 52.351021] 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 [ 52.352783] RSP: 002b:00007fff4acd0218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.353496] RAX: ffffffffffffffda RBX: 00007fff4acd0858 RCX: 00007fd9d45780d7 [ 52.354367] RDX: 00007fd9d45e241f RSI: 00007fff4acd01b0 RDI: 0000000040000000 [ 52.355107] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff4accffc0 [ 52.355850] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd9d468abf0 [ 52.356500] R13: 00007fff4acd02f0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.357251] [ 52.357479] irq event stamp: 9061 [ 52.357831] hardirqs last enabled at (9073): [] __up_console_sem+0x78/0x80 [ 52.358592] hardirqs last disabled at (9082): [] __up_console_sem+0x5d/0x80 [ 52.359374] softirqs last enabled at (9046): [] irq_exit_rcu+0x93/0xc0 [ 52.360142] softirqs last disabled at (8999): [] irq_exit_rcu+0x93/0xc0 [ 52.360940] ---[ end trace 0000000000000000 ]--- [ 52.364910] ------------[ cut here ]------------ [ 52.365347] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.366649] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.367436] Modules linked in: [ 52.367756] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.368616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.369367] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.369864] 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 [ 52.371508] RSP: 0018:ffff888018bb7c00 EFLAGS: 00010282 [ 52.372024] RAX: 0000000000000000 RBX: ffff88800dc87040 RCX: 0000000000000000 [ 52.372712] RDX: ffff8880147bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.373464] RBP: ffff88800dc87054 R08: 0000000000000001 R09: 0000000000000000 [ 52.374312] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.375156] R13: ffffffff84e223a0 R14: ffff88800dc87048 R15: ffffffff84da62e0 [ 52.375970] FS: 0000555555f52400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.376730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.377255] CR2: 00007f4b1c2026f4 CR3: 000000000ecf6000 CR4: 0000000000350ef0 [ 52.377951] Call Trace: [ 52.378201] [ 52.378424] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.378909] ipv6_frags_init_net+0x206/0x3c0 [ 52.379324] ops_init+0xbb/0x6b0 [ 52.379655] setup_net+0x3d9/0x990 [ 52.380059] ? down_read_killable+0x1d7/0x4e0 [ 52.380505] ? __pfx_setup_net+0x10/0x10 [ 52.380906] ? copy_net_ns+0x17c/0x770 [ 52.381284] copy_net_ns+0x321/0x770 [ 52.381644] create_new_namespaces+0x3f6/0xb30 [ 52.382152] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.382760] ksys_unshare+0x44d/0x8e0 [ 52.383230] ? __pfx_ksys_unshare+0x10/0x10 [ 52.383785] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.384465] __x64_sys_unshare+0x31/0x40 [ 52.384988] do_syscall_64+0x3f/0x90 [ 52.385370] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.385889] RIP: 0033:0x7fd9d45780d7 [ 52.386242] 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 [ 52.387893] RSP: 002b:00007fff4acd0218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.388602] RAX: ffffffffffffffda RBX: 00007fff4acd0858 RCX: 00007fd9d45780d7 [ 52.389270] RDX: 00007fd9d45e241f RSI: 00007fff4acd01b0 RDI: 0000000040000000 [ 52.389936] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff4accffc0 [ 52.390587] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd9d468abf0 [ 52.391250] R13: 00007fff4acd02f0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.391930] [ 52.392157] irq event stamp: 10851 [ 52.392488] hardirqs last enabled at (10861): [] __up_console_sem+0x78/0x80 [ 52.393328] hardirqs last disabled at (10872): [] __up_console_sem+0x5d/0x80 [ 52.394129] softirqs last enabled at (10740): [] irq_exit_rcu+0x93/0xc0 [ 52.394910] softirqs last disabled at (10735): [] irq_exit_rcu+0x93/0xc0 [ 52.395838] ---[ end trace 0000000000000000 ]--- [ 52.397006] ------------[ cut here ]------------ [ 52.397537] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.399240] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.400048] Modules linked in: [ 52.400349] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.401218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.402075] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.402672] 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 [ 52.404776] RSP: 0018:ffff888018bb7bf0 EFLAGS: 00010286 [ 52.405389] RAX: 0000000000000000 RBX: ffff88800dc87640 RCX: 0000000000000000 [ 52.406234] RDX: ffff8880147bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.407075] RBP: ffff88800dc87654 R08: 0000000000000001 R09: 0000000000000000 [ 52.407892] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.408747] R13: ffffffff84e223a0 R14: ffff88800dc87648 R15: ffffffff84daf020 [ 52.409533] FS: 0000555555f52400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.410267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.410806] CR2: 00007f4b1c2026f4 CR3: 000000000ecf6000 CR4: 0000000000350ef0 [ 52.411467] Call Trace: [ 52.411734] [ 52.411967] nf_ct_net_init+0x224/0x3d0 [ 52.412351] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.412809] ops_init+0xbb/0x6b0 [ 52.413138] setup_net+0x3d9/0x990 [ 52.413472] ? down_read_killable+0x1d7/0x4e0 [ 52.413909] ? __pfx_setup_net+0x10/0x10 [ 52.414294] ? copy_net_ns+0x17c/0x770 [ 52.414667] copy_net_ns+0x321/0x770 [ 52.415045] create_new_namespaces+0x3f6/0xb30 [ 52.415477] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.415957] ksys_unshare+0x44d/0x8e0 [ 52.416325] ? __pfx_ksys_unshare+0x10/0x10 [ 52.416759] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.417439] __x64_sys_unshare+0x31/0x40 [ 52.417959] do_syscall_64+0x3f/0x90 [ 52.418403] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.419043] RIP: 0033:0x7fd9d45780d7 [ 52.419458] 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 [ 52.421098] RSP: 002b:00007fff4acd0218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.421821] RAX: ffffffffffffffda RBX: 00007fff4acd0858 RCX: 00007fd9d45780d7 [ 52.422471] RDX: 00007fd9d45e241f RSI: 00007fff4acd01b0 RDI: 0000000040000000 [ 52.423127] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff4accffc0 [ 52.423782] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd9d468abf0 [ 52.424490] R13: 00007fff4acd02f0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.425351] [ 52.425635] irq event stamp: 11757 [ 52.426078] hardirqs last enabled at (11769): [] __up_console_sem+0x78/0x80 [ 52.427056] hardirqs last disabled at (11780): [] __up_console_sem+0x5d/0x80 [ 52.428063] softirqs last enabled at (11266): [] irq_exit_rcu+0x93/0xc0 [ 52.429065] softirqs last disabled at (11105): [] irq_exit_rcu+0x93/0xc0 [ 52.430045] ---[ end trace 0000000000000000 ]--- executing program [ 54.097353] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.144770] Bluetooth: hci0: command 0x041b tx timeout [ 58.193436] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.241414] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:27:52 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018bb7618 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 0000555555f52400 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=00007f4b1c2026f4 CR3=000000000ecf6000 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=0000000000037e6d RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007fb09108c120 CR3=000000000c4c4000 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=2034353a37323a37302037312079614d XMM01=5d3236363832332e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000