Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:51377' (ECDSA) to the list of known hosts. 2023/05/18 03:15:01 fuzzer started 2023/05/18 03:15:01 dialing manager at localhost:44319 2023/05/18 03:15:01 checking machine... 2023/05/18 03:15:01 checking revisions... syzkaller login: [ 30.550908] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:15:02 testing simple program... [ 30.617218] cgroup: Unknown subsys name 'net' [ 30.669810] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.851267] audit: type=1400 audit(1684379715.310:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.957800] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.959502] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.962323] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.967295] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.969395] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.971394] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.356912] ------------[ cut here ]------------ [ 45.357728] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.359687] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.360924] Modules linked in: [ 45.361405] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.365966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.367053] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.367792] 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 [ 45.370132] RSP: 0018:ffff88801febfc00 EFLAGS: 00010282 [ 45.370862] RAX: 0000000000000000 RBX: ffff88800e554840 RCX: 0000000000000000 [ 45.371843] RDX: ffff88800fe33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.372810] RBP: ffff88800e554854 R08: 0000000000000001 R09: 0000000000000000 [ 45.373759] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.374724] R13: ffffffff84e23fe0 R14: ffff88800e554848 R15: ffffffff84d74dc0 [ 45.375682] FS: 0000555555a95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.376749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.377507] CR2: 00007f7a3968f6f4 CR3: 00000000204c8000 CR4: 0000000000350ef0 [ 45.378439] Call Trace: [ 45.378821] [ 45.379137] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.379842] ipv4_frags_init_net+0x269/0x440 [ 45.380447] ops_init+0xbb/0x6b0 [ 45.380965] setup_net+0x3d9/0x990 [ 45.381459] ? down_read_killable+0x1d7/0x4e0 [ 45.382097] ? __pfx_setup_net+0x10/0x10 [ 45.382681] ? copy_net_ns+0x17c/0x770 [ 45.383249] copy_net_ns+0x321/0x770 [ 45.383807] create_new_namespaces+0x3f6/0xb30 [ 45.384433] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.385128] ksys_unshare+0x44d/0x8e0 [ 45.385692] ? __pfx_ksys_unshare+0x10/0x10 [ 45.386281] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.387072] __x64_sys_unshare+0x31/0x40 [ 45.387662] do_syscall_64+0x3f/0x90 [ 45.388172] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.388887] RIP: 0033:0x7fbd4cf6f0d7 [ 45.389389] 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 [ 45.391739] RSP: 002b:00007ffeeb860348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.392748] RAX: ffffffffffffffda RBX: 00007ffeeb860988 RCX: 00007fbd4cf6f0d7 [ 45.393705] RDX: 00007fbd4cfd941f RSI: 00007ffeeb8602e0 RDI: 0000000040000000 [ 45.394648] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeeb8600f0 [ 45.395603] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd4d081bf0 [ 45.396516] R13: 00007ffeeb860420 R14: 0000000000000000 R15: 00000000000000f8 [ 45.397495] [ 45.397847] irq event stamp: 8037 [ 45.398304] hardirqs last enabled at (8047): [] __up_console_sem+0x78/0x80 [ 45.399443] hardirqs last disabled at (8058): [] __up_console_sem+0x5d/0x80 [ 45.400587] softirqs last enabled at (7518): [] irq_exit_rcu+0x93/0xc0 [ 45.401697] softirqs last disabled at (7513): [] irq_exit_rcu+0x93/0xc0 [ 45.402790] ---[ end trace 0000000000000000 ]--- executing program [ 45.410972] ------------[ cut here ]------------ [ 45.411671] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.413582] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.414744] Modules linked in: [ 45.415182] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.416455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.417550] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.418287] 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 [ 45.420649] RSP: 0018:ffff88801febfc00 EFLAGS: 00010282 [ 45.421345] RAX: 0000000000000000 RBX: ffff88800d75d440 RCX: 0000000000000000 [ 45.422316] RDX: ffff88800fe33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.423299] RBP: ffff88800d75d454 R08: 0000000000000001 R09: 0000000000000000 [ 45.424261] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.425221] R13: ffffffff84e23fe0 R14: ffff88800d75d448 R15: ffffffff84da7d60 [ 45.426203] FS: 0000555555a95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.427302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.428117] CR2: 00007f7a3968f6f4 CR3: 00000000204c8000 CR4: 0000000000350ef0 [ 45.429078] Call Trace: [ 45.429431] [ 45.429784] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.430456] ipv6_frags_init_net+0x206/0x3c0 [ 45.431107] ops_init+0xbb/0x6b0 [ 45.431651] setup_net+0x3d9/0x990 [ 45.432154] ? down_read_killable+0x1d7/0x4e0 [ 45.432812] ? __pfx_setup_net+0x10/0x10 [ 45.433371] ? copy_net_ns+0x17c/0x770 [ 45.433967] copy_net_ns+0x321/0x770 [ 45.434488] create_new_namespaces+0x3f6/0xb30 [ 45.435161] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.435874] ksys_unshare+0x44d/0x8e0 [ 45.436409] ? __pfx_ksys_unshare+0x10/0x10 [ 45.437052] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.437864] __x64_sys_unshare+0x31/0x40 [ 45.438430] do_syscall_64+0x3f/0x90 [ 45.438984] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.439729] RIP: 0033:0x7fbd4cf6f0d7 [ 45.440236] 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 [ 45.442608] RSP: 002b:00007ffeeb860348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.443657] RAX: ffffffffffffffda RBX: 00007ffeeb860988 RCX: 00007fbd4cf6f0d7 [ 45.444650] RDX: 00007fbd4cfd941f RSI: 00007ffeeb8602e0 RDI: 0000000040000000 [ 45.445617] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeeb8600f0 [ 45.446592] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd4d081bf0 [ 45.447535] R13: 00007ffeeb860420 R14: 0000000000000000 R15: 00000000000000f8 [ 45.448526] [ 45.448893] irq event stamp: 10169 [ 45.449367] hardirqs last enabled at (10179): [] __up_console_sem+0x78/0x80 [ 45.450544] hardirqs last disabled at (10190): [] __up_console_sem+0x5d/0x80 [ 45.451755] softirqs last enabled at (10106): [] irq_exit_rcu+0x93/0xc0 [ 45.452898] softirqs last disabled at (10097): [] irq_exit_rcu+0x93/0xc0 [ 45.454027] ---[ end trace 0000000000000000 ]--- [ 45.455654] ------------[ cut here ]------------ [ 45.456295] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.458547] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.459741] Modules linked in: [ 45.460187] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.461442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.462540] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.463294] 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 [ 45.465664] RSP: 0018:ffff88801febfbf0 EFLAGS: 00010286 [ 45.466376] RAX: 0000000000000000 RBX: ffff88800d75c240 RCX: 0000000000000000 [ 45.467373] RDX: ffff88800fe33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.468352] RBP: ffff88800d75c254 R08: 0000000000000001 R09: 0000000000000000 [ 45.469317] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.470275] R13: ffffffff84e23fe0 R14: ffff88800d75c248 R15: ffffffff84db0aa0 [ 45.471258] FS: 0000555555a95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.472354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.473166] CR2: 00007f7a3968f6f4 CR3: 00000000204c8000 CR4: 0000000000350ef0 [ 45.474135] Call Trace: [ 45.474495] [ 45.474857] nf_ct_net_init+0x224/0x3d0 [ 45.475442] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.476107] ops_init+0xbb/0x6b0 [ 45.476624] setup_net+0x3d9/0x990 [ 45.477127] ? down_read_killable+0x1d7/0x4e0 [ 45.477787] ? __pfx_setup_net+0x10/0x10 [ 45.478351] ? copy_net_ns+0x17c/0x770 [ 45.478934] copy_net_ns+0x321/0x770 [ 45.479472] create_new_namespaces+0x3f6/0xb30 [ 45.480147] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.480851] ksys_unshare+0x44d/0x8e0 [ 45.481386] ? __pfx_ksys_unshare+0x10/0x10 [ 45.482018] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.482791] __x64_sys_unshare+0x31/0x40 [ 45.483361] do_syscall_64+0x3f/0x90 [ 45.483908] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.484625] RIP: 0033:0x7fbd4cf6f0d7 [ 45.485123] 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 [ 45.487410] RSP: 002b:00007ffeeb860348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.488407] RAX: ffffffffffffffda RBX: 00007ffeeb860988 RCX: 00007fbd4cf6f0d7 [ 45.489350] RDX: 00007fbd4cfd941f RSI: 00007ffeeb8602e0 RDI: 0000000040000000 [ 45.490291] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeeb8600f0 [ 45.491250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd4d081bf0 [ 45.492182] R13: 00007ffeeb860420 R14: 0000000000000000 R15: 00000000000000f8 [ 45.493141] [ 45.493457] irq event stamp: 11021 [ 45.493945] hardirqs last enabled at (11033): [] __up_console_sem+0x78/0x80 [ 45.495073] hardirqs last disabled at (11044): [] __up_console_sem+0x5d/0x80 [ 45.496199] softirqs last enabled at (10782): [] irq_exit_rcu+0x93/0xc0 [ 45.497291] softirqs last disabled at (10777): [] irq_exit_rcu+0x93/0xc0 [ 45.498381] ---[ end trace 0000000000000000 ]--- [ 47.045262] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.092752] Bluetooth: hci0: command 0x041b tx timeout [ 51.140638] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.188624] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:15:16 Registers: info registers vcpu 0 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801febf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 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 0000555555a95400 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=00007f7a3968f6f4 CR3=00000000204c8000 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=000000000002d73b 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=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=00007f491d92f0a0 CR3=000000000ed64000 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=b62e35232b5fa5802f4fd9e23d009a17 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=5ab48d0d895fb386000000000013bd48 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=968988f6a13d851c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000