Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:2014' (ECDSA) to the list of known hosts. 2023/05/16 14:52:30 fuzzer started 2023/05/16 14:52:30 dialing manager at localhost:35573 2023/05/16 14:52:30 checking machine... 2023/05/16 14:52:30 checking revisions... syzkaller login: [ 29.023196] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:52:30 testing simple program... [ 29.098521] cgroup: Unknown subsys name 'net' [ 29.215680] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.625093] audit: type=1400 audit(1684248764.416:6): 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 [ 43.756482] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.758498] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.759816] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.762444] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.764069] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.765318] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 44.178139] ------------[ cut here ]------------ [ 44.178839] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.181379] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.182523] Modules linked in: [ 44.183008] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.187819] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.188919] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.189638] 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 [ 44.191997] RSP: 0018:ffff888016d47c00 EFLAGS: 00010282 [ 44.192702] RAX: 0000000000000000 RBX: ffff888015b88040 RCX: 0000000000000000 [ 44.193684] RDX: ffff888014118000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.194657] RBP: ffff888015b88054 R08: 0000000000000001 R09: 0000000000000000 [ 44.195625] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.196604] R13: ffffffff84e223a0 R14: ffff888015b88048 R15: ffffffff84d73340 [ 44.197581] FS: 0000555556fc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.198665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.199459] CR2: 00007fe05d7b66f4 CR3: 000000000e276000 CR4: 0000000000350ee0 [ 44.200433] Call Trace: [ 44.200780] [ 44.201129] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.201818] ipv4_frags_init_net+0x269/0x440 [ 44.202466] ops_init+0xbb/0x6b0 [ 44.202981] setup_net+0x3d9/0x990 [ 44.203475] ? down_read_killable+0x1d7/0x4e0 [ 44.204127] ? __pfx_setup_net+0x10/0x10 [ 44.204678] ? copy_net_ns+0x17c/0x770 [ 44.205282] copy_net_ns+0x321/0x770 [ 44.205803] create_new_namespaces+0x3f6/0xb30 [ 44.206475] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.207179] ksys_unshare+0x44d/0x8e0 [ 44.207712] ? __pfx_ksys_unshare+0x10/0x10 [ 44.208338] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.209142] __x64_sys_unshare+0x31/0x40 [ 44.209725] do_syscall_64+0x3f/0x90 [ 44.210277] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.211005] RIP: 0033:0x7f57dff910d7 [ 44.211505] 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 [ 44.213841] RSP: 002b:00007ffc02314b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.214837] RAX: ffffffffffffffda RBX: 00007ffc02315178 RCX: 00007f57dff910d7 [ 44.215800] RDX: 00007f57dfffb41f RSI: 00007ffc02314ad0 RDI: 0000000040000000 [ 44.216754] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc023148e0 [ 44.217734] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f57e00a3bf0 [ 44.218684] R13: 00007ffc02314c10 R14: 0000000000000000 R15: 00000000000000f8 [ 44.219651] [ 44.220004] irq event stamp: 11891 [ 44.220465] hardirqs last enabled at (11901): [] __up_console_sem+0x78/0x80 [ 44.221633] hardirqs last disabled at (11912): [] __up_console_sem+0x5d/0x80 [ 44.222813] softirqs last enabled at (11376): [] irq_exit_rcu+0x93/0xc0 [ 44.223962] softirqs last disabled at (11935): [] irq_exit_rcu+0x93/0xc0 [ 44.225088] ---[ end trace 0000000000000000 ]--- [ 44.233452] ------------[ cut here ]------------ [ 44.234138] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.235959] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.237100] Modules linked in: [ 44.237556] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.238814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.239922] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.240628] 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 [ 44.243006] RSP: 0018:ffff888016d47c00 EFLAGS: 00010282 [ 44.243722] RAX: 0000000000000000 RBX: ffff88800df42c40 RCX: 0000000000000000 [ 44.244702] RDX: ffff888014118000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.245685] RBP: ffff88800df42c54 R08: 0000000000000001 R09: 0000000000000000 [ 44.246668] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.247635] R13: ffffffff84e223a0 R14: ffff88800df42c48 R15: ffffffff84da62e0 [ 44.248600] FS: 0000555556fc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.249690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.250498] CR2: 00007fe05d7b66f4 CR3: 000000000e276000 CR4: 0000000000350ee0 [ 44.251469] Call Trace: [ 44.251823] [ 44.252185] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.252880] ipv6_frags_init_net+0x206/0x3c0 [ 44.253522] ops_init+0xbb/0x6b0 [ 44.253993] setup_net+0x3d9/0x990 [ 44.254458] ? down_read_killable+0x1d7/0x4e0 [ 44.255127] ? __pfx_setup_net+0x10/0x10 [ 44.255696] ? copy_net_ns+0x17c/0x770 [ 44.256310] copy_net_ns+0x321/0x770 [ 44.256891] create_new_namespaces+0x3f6/0xb30 [ 44.257562] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.258323] ksys_unshare+0x44d/0x8e0 [ 44.258912] ? __pfx_ksys_unshare+0x10/0x10 [ 44.259525] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.260363] __x64_sys_unshare+0x31/0x40 [ 44.260984] do_syscall_64+0x3f/0x90 [ 44.261536] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.262298] RIP: 0033:0x7f57dff910d7 [ 44.262821] 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 [ 44.265293] RSP: 002b:00007ffc02314b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.266367] RAX: ffffffffffffffda RBX: 00007ffc02315178 RCX: 00007f57dff910d7 [ 44.267389] RDX: 00007f57dfffb41f RSI: 00007ffc02314ad0 RDI: 0000000040000000 [ 44.268393] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc023148e0 [ 44.269417] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f57e00a3bf0 [ 44.270421] R13: 00007ffc02314c10 R14: 0000000000000000 R15: 00000000000000f8 [ 44.271456] [ 44.271795] irq event stamp: 14717 [ 44.272332] hardirqs last enabled at (14729): [] __up_console_sem+0x78/0x80 [ 44.273565] hardirqs last disabled at (14740): [] __up_console_sem+0x5d/0x80 [ 44.274780] softirqs last enabled at (14532): [] irq_exit_rcu+0x93/0xc0 [ 44.275961] softirqs last disabled at (14523): [] irq_exit_rcu+0x93/0xc0 [ 44.277139] ---[ end trace 0000000000000000 ]--- [ 44.278614] ------------[ cut here ]------------ [ 44.279288] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.281429] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.282600] Modules linked in: [ 44.283089] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.284376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.285526] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.286285] 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 [ 44.288730] RSP: 0018:ffff888016d47bf0 EFLAGS: 00010286 [ 44.289500] RAX: 0000000000000000 RBX: ffff88800df42640 RCX: 0000000000000000 [ 44.290497] RDX: ffff888014118000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.291504] RBP: ffff88800df42654 R08: 0000000000000001 R09: 0000000000000000 [ 44.292508] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.293520] R13: ffffffff84e223a0 R14: ffff88800df42648 R15: ffffffff84daf020 [ 44.294511] FS: 0000555556fc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.295630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.296456] CR2: 00007fe05d7b66f4 CR3: 000000000e276000 CR4: 0000000000350ee0 [ 44.297465] Call Trace: [ 44.297833] [ 44.298198] nf_ct_net_init+0x224/0x3d0 [ 44.298783] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.299452] ops_init+0xbb/0x6b0 [ 44.299981] setup_net+0x3d9/0x990 [ 44.300488] ? down_read_killable+0x1d7/0x4e0 [ 44.301155] ? __pfx_setup_net+0x10/0x10 [ 44.301752] ? copy_net_ns+0x17c/0x770 [ 44.302345] copy_net_ns+0x321/0x770 [ 44.302908] create_new_namespaces+0x3f6/0xb30 [ 44.303562] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.304290] ksys_unshare+0x44d/0x8e0 [ 44.304878] ? __pfx_ksys_unshare+0x10/0x10 [ 44.305516] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.306364] __x64_sys_unshare+0x31/0x40 [ 44.306975] do_syscall_64+0x3f/0x90 [ 44.307513] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.308258] RIP: 0033:0x7f57dff910d7 [ 44.308781] 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 [ 44.311201] RSP: 002b:00007ffc02314b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.312262] RAX: ffffffffffffffda RBX: 00007ffc02315178 RCX: 00007f57dff910d7 [ 44.313294] RDX: 00007f57dfffb41f RSI: 00007ffc02314ad0 RDI: 0000000040000000 [ 44.314293] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc023148e0 [ 44.315294] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f57e00a3bf0 [ 44.316282] R13: 00007ffc02314c10 R14: 0000000000000000 R15: 00000000000000f8 [ 44.317302] [ 44.317648] irq event stamp: 15499 [ 44.318174] hardirqs last enabled at (15511): [] __up_console_sem+0x78/0x80 [ 44.319376] hardirqs last disabled at (15522): [] __up_console_sem+0x5d/0x80 [ 44.320584] softirqs last enabled at (15068): [] irq_exit_rcu+0x93/0xc0 [ 44.321789] softirqs last disabled at (15063): [] irq_exit_rcu+0x93/0xc0 [ 44.322998] ---[ end trace 0000000000000000 ]--- [ 45.778606] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 47.827612] Bluetooth: hci0: command 0x041b tx timeout [ 49.873985] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.921918] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:52:45 Registers: info registers vcpu 0 RAX=0000000000024b25 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007efe4a703420 CR3=000000000eb62000 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=4862239407003e9fda4068151639495d XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=8aed2fa3cc0f1874000000000013c890 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=cb54b87561f8afb700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016d47558 R8 =0000000000000004 R9 =0000000000000010 R10=000000000000000d R11=0000000000000001 R12=0000000000002710 R13=0000000000000060 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555556fc0400 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=00007fe05d7b66f4 CR3=000000000e276000 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