Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36237' (ECDSA) to the list of known hosts. 2023/05/16 23:26:19 fuzzer started 2023/05/16 23:26:20 dialing manager at localhost:35573 2023/05/16 23:26:20 checking machine... 2023/05/16 23:26:20 checking revisions... syzkaller login: [ 47.299349] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:26:20 testing simple program... [ 47.366612] cgroup: Unknown subsys name 'net' [ 47.440778] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.733842] audit: type=1400 audit(1684279593.950:6): 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 [ 61.850533] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.853220] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.854574] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.858042] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.860373] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.861851] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 62.264379] ------------[ cut here ]------------ [ 62.265347] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 62.267081] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.268156] Modules linked in: [ 62.268581] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.273493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.274556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.275251] 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 [ 62.277529] RSP: 0018:ffff88801425fc00 EFLAGS: 00010282 [ 62.278254] RAX: 0000000000000000 RBX: ffff88800d5b1040 RCX: 0000000000000000 [ 62.279184] RDX: ffff888017acd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.280136] RBP: ffff88800d5b1054 R08: 0000000000000001 R09: 0000000000000000 [ 62.281069] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 62.281969] R13: ffffffff84e223a0 R14: ffff88800d5b1048 R15: ffffffff84d73340 [ 62.282911] FS: 0000555556274400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.283975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.284751] CR2: 00007fdcdfa83310 CR3: 000000000ded6000 CR4: 0000000000350ef0 [ 62.285696] Call Trace: [ 62.286068] [ 62.286381] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 62.287055] ipv4_frags_init_net+0x269/0x440 [ 62.287659] ops_init+0xbb/0x6b0 [ 62.288160] setup_net+0x3d9/0x990 [ 62.288636] ? down_read_killable+0x1d7/0x4e0 [ 62.289251] ? __pfx_setup_net+0x10/0x10 [ 62.289776] ? copy_net_ns+0x17c/0x770 [ 62.290332] copy_net_ns+0x321/0x770 [ 62.290839] create_new_namespaces+0x3f6/0xb30 [ 62.291471] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.292167] ksys_unshare+0x44d/0x8e0 [ 62.292686] ? __pfx_ksys_unshare+0x10/0x10 [ 62.293290] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.294074] __x64_sys_unshare+0x31/0x40 [ 62.294618] do_syscall_64+0x3f/0x90 [ 62.295153] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.295835] RIP: 0033:0x7ff4af18f0d7 [ 62.296357] 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 [ 62.298655] RSP: 002b:00007ffd6f676b78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.299677] RAX: ffffffffffffffda RBX: 00007ffd6f6771b8 RCX: 00007ff4af18f0d7 [ 62.300593] RDX: 00007ff4af1f941f RSI: 00007ffd6f676b10 RDI: 0000000040000000 [ 62.301523] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6f676920 [ 62.302450] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4af2a1bf0 [ 62.303378] R13: 00007ffd6f676c50 R14: 0000000000000000 R15: 00000000000000f8 [ 62.304334] [ 62.304645] irq event stamp: 8747 [ 62.305111] hardirqs last enabled at (8759): [] __up_console_sem+0x78/0x80 [ 62.306206] hardirqs last disabled at (8770): [] __up_console_sem+0x5d/0x80 [ 62.307303] softirqs last enabled at (8620): [] irq_exit_rcu+0x93/0xc0 [ 62.308381] softirqs last disabled at (8615): [] irq_exit_rcu+0x93/0xc0 [ 62.309453] ---[ end trace 0000000000000000 ]--- [ 62.314495] ------------[ cut here ]------------ [ 62.315135] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 62.316824] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.317924] Modules linked in: [ 62.318385] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.319584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.320650] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.321355] 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 [ 62.323602] RSP: 0018:ffff88801425fc00 EFLAGS: 00010282 [ 62.324336] RAX: 0000000000000000 RBX: ffff888008f03840 RCX: 0000000000000000 [ 62.325268] RDX: ffff888017acd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.326185] RBP: ffff888008f03854 R08: 0000000000000001 R09: 0000000000000000 [ 62.327117] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.328054] R13: ffffffff84e223a0 R14: ffff888008f03848 R15: ffffffff84da62e0 [ 62.328940] FS: 0000555556274400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.329984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.330744] CR2: 00007fdcdfa83310 CR3: 000000000ded6000 CR4: 0000000000350ef0 [ 62.331690] Call Trace: [ 62.332150] [ 62.332464] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 62.333135] ipv6_frags_init_net+0x206/0x3c0 [ 62.333720] ops_init+0xbb/0x6b0 [ 62.334206] setup_net+0x3d9/0x990 [ 62.334681] ? down_read_killable+0x1d7/0x4e0 [ 62.335295] ? __pfx_setup_net+0x10/0x10 [ 62.335835] ? copy_net_ns+0x17c/0x770 [ 62.336396] copy_net_ns+0x321/0x770 [ 62.336889] create_new_namespaces+0x3f6/0xb30 [ 62.337521] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.338199] ksys_unshare+0x44d/0x8e0 [ 62.338703] ? __pfx_ksys_unshare+0x10/0x10 [ 62.339298] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.340050] __x64_sys_unshare+0x31/0x40 [ 62.340567] do_syscall_64+0x3f/0x90 [ 62.341085] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.341725] RIP: 0033:0x7ff4af18f0d7 [ 62.342228] 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 [ 62.344502] RSP: 002b:00007ffd6f676b78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.345499] RAX: ffffffffffffffda RBX: 00007ffd6f6771b8 RCX: 00007ff4af18f0d7 [ 62.346420] RDX: 00007ff4af1f941f RSI: 00007ffd6f676b10 RDI: 0000000040000000 [ 62.347347] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6f676920 [ 62.348286] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4af2a1bf0 [ 62.349213] R13: 00007ffd6f676c50 R14: 0000000000000000 R15: 00000000000000f8 [ 62.350157] [ 62.350468] irq event stamp: 10473 [ 62.350921] hardirqs last enabled at (10483): [] __up_console_sem+0x78/0x80 [ 62.352038] hardirqs last disabled at (10494): [] __up_console_sem+0x5d/0x80 [ 62.353149] softirqs last enabled at (10166): [] irq_exit_rcu+0x93/0xc0 [ 62.354228] softirqs last disabled at (10147): [] irq_exit_rcu+0x93/0xc0 [ 62.355304] ---[ end trace 0000000000000000 ]--- [ 62.356671] ------------[ cut here ]------------ [ 62.357351] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.359394] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.360504] Modules linked in: [ 62.360929] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.362130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.363190] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.363885] 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 [ 62.366167] RSP: 0018:ffff88801425fbf0 EFLAGS: 00010286 [ 62.366853] RAX: 0000000000000000 RBX: ffff88800f4f8c40 RCX: 0000000000000000 [ 62.367792] RDX: ffff888017acd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.368714] RBP: ffff88800f4f8c54 R08: 0000000000000001 R09: 0000000000000000 [ 62.369632] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.370551] R13: ffffffff84e223a0 R14: ffff88800f4f8c48 R15: ffffffff84daf020 [ 62.371481] FS: 0000555556274400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.372558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.373336] CR2: 00007fdcdfa83310 CR3: 000000000ded6000 CR4: 0000000000350ef0 [ 62.374265] Call Trace: [ 62.374604] [ 62.374916] nf_ct_net_init+0x224/0x3d0 [ 62.375478] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.376120] ops_init+0xbb/0x6b0 [ 62.376584] setup_net+0x3d9/0x990 [ 62.377087] ? down_read_killable+0x1d7/0x4e0 [ 62.377674] ? __pfx_setup_net+0x10/0x10 [ 62.378227] ? copy_net_ns+0x17c/0x770 [ 62.378759] copy_net_ns+0x321/0x770 [ 62.379282] create_new_namespaces+0x3f6/0xb30 [ 62.379900] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.380574] ksys_unshare+0x44d/0x8e0 [ 62.381117] ? __pfx_ksys_unshare+0x10/0x10 [ 62.381689] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.382453] __x64_sys_unshare+0x31/0x40 [ 62.383021] do_syscall_64+0x3f/0x90 [ 62.383507] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.384228] RIP: 0033:0x7ff4af18f0d7 [ 62.384711] 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 [ 62.386985] RSP: 002b:00007ffd6f676b78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.387974] RAX: ffffffffffffffda RBX: 00007ffd6f6771b8 RCX: 00007ff4af18f0d7 [ 62.388910] RDX: 00007ff4af1f941f RSI: 00007ffd6f676b10 RDI: 0000000040000000 [ 62.389845] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6f676920 [ 62.390774] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4af2a1bf0 [ 62.391722] R13: 00007ffd6f676c50 R14: 0000000000000000 R15: 00000000000000f8 [ 62.392666] [ 62.392980] irq event stamp: 11259 [ 62.393464] hardirqs last enabled at (11271): [] __up_console_sem+0x78/0x80 [ 62.394577] hardirqs last disabled at (11282): [] __up_console_sem+0x5d/0x80 [ 62.395712] softirqs last enabled at (10756): [] irq_exit_rcu+0x93/0xc0 [ 62.396812] softirqs last disabled at (11303): [] irq_exit_rcu+0x93/0xc0 [ 62.397901] ---[ end trace 0000000000000000 ]--- [ 63.932659] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.980106] Bluetooth: hci0: command 0x041b tx timeout [ 68.028108] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.076066] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:26:23 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801425f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556274400 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=00007fdcdfa83310 CR3=000000000ded6000 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=0000000000046fe9 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=00007fb9754c1b80 CR3=000000000d732000 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=2035333a36323a33322036312079614d XMM01=5d3635313836322e32362020205b203a XMM02=646f4d205d3635313836322e32362020 XMM03=6b7a79732035333a36323a3332203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3138303736322e32362020205b XMM07=79732035333a36323a33322036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000