Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33968' (ECDSA) to the list of known hosts. 2023/05/16 20:53:53 fuzzer started 2023/05/16 20:53:53 dialing manager at localhost:35573 2023/05/16 20:53:54 checking machine... 2023/05/16 20:53:54 checking revisions... syzkaller login: [ 33.091407] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:53:54 testing simple program... [ 33.157147] cgroup: Unknown subsys name 'net' [ 33.250343] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.332392] audit: type=1400 audit(1684270448.386:6): 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 executing program [ 48.450563] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.454135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.455292] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.458341] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.460580] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.462626] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.898689] ------------[ cut here ]------------ [ 48.899433] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 48.901306] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.902810] Modules linked in: [ 48.903314] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.908017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.909211] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.910022] 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 [ 48.912606] RSP: 0018:ffff88801fe9fc00 EFLAGS: 00010282 [ 48.913410] RAX: 0000000000000000 RBX: ffff88800e29e840 RCX: 0000000000000000 [ 48.914471] RDX: ffff88801fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.915518] RBP: ffff88800e29e854 R08: 0000000000000001 R09: 0000000000000000 [ 48.916567] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 48.917635] R13: ffffffff84e223a0 R14: ffff88800e29e848 R15: ffffffff84d73340 [ 48.918677] FS: 0000555556208400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 48.919820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.920622] CR2: 00007f4e415486f4 CR3: 000000000f1b4000 CR4: 0000000000350ef0 [ 48.921632] Call Trace: [ 48.922037] [ 48.922377] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 48.923104] ipv4_frags_init_net+0x269/0x440 [ 48.923783] ops_init+0xbb/0x6b0 [ 48.924307] setup_net+0x3d9/0x990 [ 48.924860] ? down_read_killable+0x1d7/0x4e0 [ 48.925507] ? __pfx_setup_net+0x10/0x10 [ 48.926149] ? copy_net_ns+0x17c/0x770 [ 48.926761] copy_net_ns+0x321/0x770 [ 48.927308] create_new_namespaces+0x3f6/0xb30 [ 48.928024] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.928766] ksys_unshare+0x44d/0x8e0 [ 48.929326] ? __pfx_ksys_unshare+0x10/0x10 [ 48.930019] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.930877] __x64_sys_unshare+0x31/0x40 [ 48.931469] do_syscall_64+0x3f/0x90 [ 48.932059] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.932834] RIP: 0033:0x7f6a1362e0d7 [ 48.933368] 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 [ 48.935849] RSP: 002b:00007fffff00d068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.936936] RAX: ffffffffffffffda RBX: 00007fffff00d6a8 RCX: 00007f6a1362e0d7 [ 48.937988] RDX: 00007f6a1369841f RSI: 00007fffff00d000 RDI: 0000000040000000 [ 48.938993] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffff00ce10 [ 48.940002] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6a13740bf0 [ 48.941035] R13: 00007fffff00d140 R14: 0000000000000000 R15: 00000000000000f8 [ 48.942110] [ 48.942456] irq event stamp: 9411 [ 48.942969] hardirqs last enabled at (9423): [] __up_console_sem+0x78/0x80 [ 48.944169] hardirqs last disabled at (9434): [] __up_console_sem+0x5d/0x80 [ 48.945367] softirqs last enabled at (8940): [] irq_exit_rcu+0x93/0xc0 [ 48.946556] softirqs last disabled at (8911): [] irq_exit_rcu+0x93/0xc0 [ 48.947748] ---[ end trace 0000000000000000 ]--- [ 48.954072] ------------[ cut here ]------------ [ 48.954913] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.956868] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.958057] Modules linked in: [ 48.958520] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.959826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.960960] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.961775] 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 [ 48.964347] RSP: 0018:ffff88801fe9fc00 EFLAGS: 00010282 [ 48.965150] RAX: 0000000000000000 RBX: ffff888015bede40 RCX: 0000000000000000 [ 48.966206] RDX: ffff88801fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.967244] RBP: ffff888015bede54 R08: 0000000000000001 R09: 0000000000000000 [ 48.968275] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.969342] R13: ffffffff84e223a0 R14: ffff888015bede48 R15: ffffffff84da62e0 [ 48.970433] FS: 0000555556208400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 48.971627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.972515] CR2: 00007f4e415486f4 CR3: 000000000f1b4000 CR4: 0000000000350ef0 [ 48.973563] Call Trace: [ 48.974005] [ 48.974366] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 48.975110] ipv6_frags_init_net+0x206/0x3c0 [ 48.975799] ops_init+0xbb/0x6b0 [ 48.976318] setup_net+0x3d9/0x990 [ 48.976885] ? down_read_killable+0x1d7/0x4e0 [ 48.977545] ? __pfx_setup_net+0x10/0x10 [ 48.978197] ? copy_net_ns+0x17c/0x770 [ 48.978817] copy_net_ns+0x321/0x770 [ 48.979377] create_new_namespaces+0x3f6/0xb30 [ 48.980110] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.980868] ksys_unshare+0x44d/0x8e0 [ 48.981446] ? __pfx_ksys_unshare+0x10/0x10 [ 48.982165] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.983084] __x64_sys_unshare+0x31/0x40 [ 48.983772] do_syscall_64+0x3f/0x90 [ 48.984355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.985199] RIP: 0033:0x7f6a1362e0d7 [ 48.985826] 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 [ 48.988438] RSP: 002b:00007fffff00d068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.989571] RAX: ffffffffffffffda RBX: 00007fffff00d6a8 RCX: 00007f6a1362e0d7 [ 48.990655] RDX: 00007f6a1369841f RSI: 00007fffff00d000 RDI: 0000000040000000 [ 48.991665] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffff00ce10 [ 48.992698] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6a13740bf0 [ 48.993758] R13: 00007fffff00d140 R14: 0000000000000000 R15: 00000000000000f8 [ 48.994848] [ 48.995189] irq event stamp: 11329 [ 48.995676] hardirqs last enabled at (11339): [] __up_console_sem+0x78/0x80 [ 48.996911] hardirqs last disabled at (11352): [] __up_console_sem+0x5d/0x80 [ 48.998143] softirqs last enabled at (11288): [] irq_exit_rcu+0x93/0xc0 [ 48.999319] softirqs last disabled at (11279): [] irq_exit_rcu+0x93/0xc0 [ 49.000525] ---[ end trace 0000000000000000 ]--- [ 49.002105] ------------[ cut here ]------------ [ 49.002839] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.005013] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.006259] Modules linked in: [ 49.006759] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.008103] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.009234] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.010011] 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 [ 49.012454] RSP: 0018:ffff88801fe9fbf0 EFLAGS: 00010286 [ 49.013229] RAX: 0000000000000000 RBX: ffff888015bed440 RCX: 0000000000000000 [ 49.014261] RDX: ffff88801fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.015278] RBP: ffff888015bed454 R08: 0000000000000001 R09: 0000000000000000 [ 49.016301] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.017316] R13: ffffffff84e223a0 R14: ffff888015bed448 R15: ffffffff84daf020 [ 49.018358] FS: 0000555556208400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.019491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.020342] CR2: 00007f4e415486f4 CR3: 000000000f1b4000 CR4: 0000000000350ef0 [ 49.021350] Call Trace: [ 49.021788] [ 49.022113] nf_ct_net_init+0x224/0x3d0 [ 49.022666] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.023304] ops_init+0xbb/0x6b0 [ 49.023800] setup_net+0x3d9/0x990 [ 49.024281] ? down_read_killable+0x1d7/0x4e0 [ 49.024914] ? __pfx_setup_net+0x10/0x10 [ 49.025455] ? copy_net_ns+0x17c/0x770 [ 49.026025] copy_net_ns+0x321/0x770 [ 49.026564] create_new_namespaces+0x3f6/0xb30 [ 49.027257] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.027998] ksys_unshare+0x44d/0x8e0 [ 49.028561] ? __pfx_ksys_unshare+0x10/0x10 [ 49.029223] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.030094] __x64_sys_unshare+0x31/0x40 [ 49.030686] do_syscall_64+0x3f/0x90 [ 49.031277] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.032055] RIP: 0033:0x7f6a1362e0d7 [ 49.032586] 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 [ 49.035034] RSP: 002b:00007fffff00d068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.036028] RAX: ffffffffffffffda RBX: 00007fffff00d6a8 RCX: 00007f6a1362e0d7 [ 49.036947] RDX: 00007f6a1369841f RSI: 00007fffff00d000 RDI: 0000000040000000 [ 49.037875] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffff00ce10 [ 49.038807] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6a13740bf0 [ 49.039683] R13: 00007fffff00d140 R14: 0000000000000000 R15: 00000000000000f8 [ 49.040623] [ 49.040985] irq event stamp: 12125 [ 49.041447] hardirqs last enabled at (12135): [] __up_console_sem+0x78/0x80 [ 49.042637] hardirqs last disabled at (12146): [] __up_console_sem+0x5d/0x80 [ 49.043761] softirqs last enabled at (11694): [] irq_exit_rcu+0x93/0xc0 [ 49.044863] softirqs last disabled at (11689): [] irq_exit_rcu+0x93/0xc0 [ 49.045983] ---[ end trace 0000000000000000 ]--- [ 50.538407] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 52.583888] Bluetooth: hci0: command 0x041b tx timeout executing program [ 54.631928] Bluetooth: hci0: command 0x040f tx timeout [ 56.681128] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:54:07 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fe9f5f0 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 0000555556208400 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=00007f4e415486f4 CR3=000000000f1b4000 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=000000000003807d 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=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=00007fe8fb389370 CR3=000000000ebea000 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=5f28228c890ca0ba274ac2a88e7c35e3 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=045e551aceed1379000000000013a958 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b7fbc491c5cf97d500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000