Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:54882' (ECDSA) to the list of known hosts. 2023/05/16 12:37:24 fuzzer started 2023/05/16 12:37:24 dialing manager at localhost:35573 2023/05/16 12:37:24 checking machine... 2023/05/16 12:37:24 checking revisions... syzkaller login: [ 38.111051] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:37:24 testing simple program... [ 38.180278] cgroup: Unknown subsys name 'net' [ 38.263709] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.473453] audit: type=1400 audit(1684240658.245:6): 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 [ 52.566229] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.569454] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.570623] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.573665] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.575470] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.576750] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.952412] ------------[ cut here ]------------ [ 52.953222] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.955551] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.956837] Modules linked in: [ 52.957363] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.963029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.964238] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 executing program [ 52.965059] 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 [ 52.967515] RSP: 0018:ffff88801e3cfc00 EFLAGS: 00010282 [ 52.968235] RAX: 0000000000000000 RBX: ffff88800d512840 RCX: 0000000000000000 [ 52.969148] RDX: ffff88800f9851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.970074] RBP: ffff88800d512854 R08: 0000000000000001 R09: 0000000000000000 [ 52.970989] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.971874] R13: ffffffff84e223a0 R14: ffff88800d512848 R15: ffffffff84d73340 [ 52.972799] FS: 00005555560a0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.973827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.974600] CR2: 00007f701741d6f4 CR3: 0000000016a40000 CR4: 0000000000350ee0 [ 52.975511] Call Trace: [ 52.975836] [ 52.976162] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.976773] ipv4_frags_init_net+0x269/0x440 [ 52.977366] ops_init+0xbb/0x6b0 [ 52.977811] setup_net+0x3d9/0x990 [ 52.978312] ? down_read_killable+0x1d7/0x4e0 [ 52.978914] ? __pfx_setup_net+0x10/0x10 [ 52.979422] ? copy_net_ns+0x17c/0x770 [ 52.979971] copy_net_ns+0x321/0x770 [ 52.980467] create_new_namespaces+0x3f6/0xb30 [ 52.981098] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.981712] ksys_unshare+0x44d/0x8e0 [ 52.982267] ? __pfx_ksys_unshare+0x10/0x10 [ 52.982818] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.983572] __x64_sys_unshare+0x31/0x40 [ 52.984122] do_syscall_64+0x3f/0x90 [ 52.984598] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.985283] RIP: 0033:0x7f3dcd8d60d7 [ 52.985746] 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 [ 52.987932] RSP: 002b:00007ffebedfdd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.988858] RAX: ffffffffffffffda RBX: 00007ffebedfe3d8 RCX: 00007f3dcd8d60d7 [ 52.989744] RDX: 00007f3dcd94041f RSI: 00007ffebedfdd30 RDI: 0000000040000000 [ 52.990660] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebedfdb40 [ 52.991548] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3dcd9e8bf0 [ 52.992461] R13: 00007ffebedfde70 R14: 0000000000000000 R15: 00000000000000f8 [ 52.993388] [ 52.993687] irq event stamp: 8555 [ 52.994163] hardirqs last enabled at (8567): [] __up_console_sem+0x78/0x80 [ 52.995250] hardirqs last disabled at (8578): [] __up_console_sem+0x5d/0x80 [ 52.996332] softirqs last enabled at (8130): [] irq_exit_rcu+0x93/0xc0 [ 52.997392] softirqs last disabled at (8113): [] irq_exit_rcu+0x93/0xc0 [ 52.998447] ---[ end trace 0000000000000000 ]--- [ 53.003412] ------------[ cut here ]------------ [ 53.004161] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.005829] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.006906] Modules linked in: [ 53.007310] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.008470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.009492] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.010187] 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 [ 53.012400] RSP: 0018:ffff88801e3cfc00 EFLAGS: 00010282 [ 53.013094] RAX: 0000000000000000 RBX: ffff88800cbafe40 RCX: 0000000000000000 [ 53.013998] RDX: ffff88800f9851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.014873] RBP: ffff88800cbafe54 R08: 0000000000000001 R09: 0000000000000000 [ 53.015777] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.016675] R13: ffffffff84e223a0 R14: ffff88800cbafe48 R15: ffffffff84da62e0 [ 53.017575] FS: 00005555560a0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.018588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.019320] CR2: 00007f701741d6f4 CR3: 0000000016a40000 CR4: 0000000000350ee0 [ 53.020199] Call Trace: [ 53.020525] [ 53.020829] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.021474] ipv6_frags_init_net+0x206/0x3c0 [ 53.022077] ops_init+0xbb/0x6b0 [ 53.022523] setup_net+0x3d9/0x990 [ 53.023028] ? down_read_killable+0x1d7/0x4e0 [ 53.023591] ? __pfx_setup_net+0x10/0x10 [ 53.024140] ? copy_net_ns+0x17c/0x770 [ 53.024645] copy_net_ns+0x321/0x770 [ 53.025152] create_new_namespaces+0x3f6/0xb30 [ 53.025735] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.026393] ksys_unshare+0x44d/0x8e0 [ 53.026926] ? __pfx_ksys_unshare+0x10/0x10 [ 53.027475] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.028222] __x64_sys_unshare+0x31/0x40 [ 53.028742] do_syscall_64+0x3f/0x90 [ 53.029248] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.029927] RIP: 0033:0x7f3dcd8d60d7 [ 53.030407] 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 [ 53.032603] RSP: 002b:00007ffebedfdd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.033585] RAX: ffffffffffffffda RBX: 00007ffebedfe3d8 RCX: 00007f3dcd8d60d7 [ 53.034522] RDX: 00007f3dcd94041f RSI: 00007ffebedfdd30 RDI: 0000000040000000 [ 53.035434] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebedfdb40 [ 53.036363] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3dcd9e8bf0 [ 53.037273] R13: 00007ffebedfde70 R14: 0000000000000000 R15: 00000000000000f8 [ 53.038219] [ 53.038525] irq event stamp: 10059 [ 53.039005] hardirqs last enabled at (10071): [] __up_console_sem+0x78/0x80 [ 53.040127] hardirqs last disabled at (10082): [] __up_console_sem+0x5d/0x80 [ 53.041238] softirqs last enabled at (9620): [] irq_exit_rcu+0x93/0xc0 [ 53.042340] softirqs last disabled at (9615): [] irq_exit_rcu+0x93/0xc0 [ 53.043397] ---[ end trace 0000000000000000 ]--- [ 53.044859] ------------[ cut here ]------------ [ 53.045498] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.047391] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.048478] Modules linked in: [ 53.048925] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.050616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.051924] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.052720] 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 [ 53.055294] RSP: 0018:ffff88801e3cfbf0 EFLAGS: 00010286 [ 53.055977] RAX: 0000000000000000 RBX: ffff8880097b9040 RCX: 0000000000000000 [ 53.056827] RDX: ffff88800f9851c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.057730] RBP: ffff8880097b9054 R08: 0000000000000001 R09: 0000000000000000 [ 53.058620] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.059509] R13: ffffffff84e223a0 R14: ffff8880097b9048 R15: ffffffff84daf020 [ 53.060424] FS: 00005555560a0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.061420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.062175] CR2: 00007f701741d6f4 CR3: 0000000016a40000 CR4: 0000000000350ee0 [ 53.063065] Call Trace: [ 53.063396] [ 53.063697] nf_ct_net_init+0x224/0x3d0 [ 53.064247] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.064811] ops_init+0xbb/0x6b0 [ 53.065291] setup_net+0x3d9/0x990 [ 53.065742] ? down_read_killable+0x1d7/0x4e0 [ 53.066365] ? __pfx_setup_net+0x10/0x10 [ 53.066874] ? copy_net_ns+0x17c/0x770 [ 53.067409] copy_net_ns+0x321/0x770 [ 53.067925] create_new_namespaces+0x3f6/0xb30 [ 53.068512] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.069158] ksys_unshare+0x44d/0x8e0 [ 53.069645] ? __pfx_ksys_unshare+0x10/0x10 [ 53.070228] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.070990] __x64_sys_unshare+0x31/0x40 [ 53.071507] do_syscall_64+0x3f/0x90 [ 53.072012] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.072646] RIP: 0033:0x7f3dcd8d60d7 [ 53.073154] 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 [ 53.075329] RSP: 002b:00007ffebedfdd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.076283] RAX: ffffffffffffffda RBX: 00007ffebedfe3d8 RCX: 00007f3dcd8d60d7 [ 53.077178] RDX: 00007f3dcd94041f RSI: 00007ffebedfdd30 RDI: 0000000040000000 [ 53.078082] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebedfdb40 [ 53.078972] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3dcd9e8bf0 [ 53.079826] R13: 00007ffebedfde70 R14: 0000000000000000 R15: 00000000000000f8 [ 53.080732] [ 53.081061] irq event stamp: 10893 [ 53.081493] hardirqs last enabled at (10903): [] __up_console_sem+0x78/0x80 [ 53.082568] hardirqs last disabled at (10914): [] __up_console_sem+0x5d/0x80 [ 53.083631] softirqs last enabled at (10788): [] irq_exit_rcu+0x93/0xc0 [ 53.084660] softirqs last disabled at (10783): [] irq_exit_rcu+0x93/0xc0 [ 53.085698] ---[ end trace 0000000000000000 ]--- [ 54.650488] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.697002] Bluetooth: hci0: command 0x041b tx timeout [ 58.745827] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.793006] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:37:38 Registers: info registers vcpu 0 RAX=000000000001f837 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=00007f1475095100 CR3=000000000e5d6000 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=2039333a37333a32312036312079614d XMM01=5d3336333735392e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e3cf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 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 00005555560a0400 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=00007f701741d6f4 CR3=0000000016a40000 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