Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:4566' (ECDSA) to the list of known hosts. 2023/05/18 06:04:14 fuzzer started 2023/05/18 06:04:14 dialing manager at localhost:44319 2023/05/18 06:04:14 checking machine... 2023/05/18 06:04:14 checking revisions... syzkaller login: [ 143.751268] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:04:15 testing simple program... [ 143.825305] cgroup: Unknown subsys name 'net' [ 143.915370] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 156.450294] audit: type=1400 audit(1684389867.840:6): 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 [ 157.572399] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 157.573840] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 157.575532] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 157.578789] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 157.581531] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 157.582663] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 157.985090] ------------[ cut here ]------------ [ 157.985759] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 157.987787] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 157.989052] Modules linked in: [ 157.989542] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 157.990918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 157.991967] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 157.996974] 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 [ 157.999225] RSP: 0018:ffff88801f6bfc00 EFLAGS: 00010282 [ 157.999903] RAX: 0000000000000000 RBX: ffff8880139f9040 RCX: 0000000000000000 [ 158.000827] RDX: ffff8880141b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 158.001741] RBP: ffff8880139f9054 R08: 0000000000000001 R09: 0000000000000000 [ 158.002656] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 158.003590] R13: ffffffff84e23fe0 R14: ffff8880139f9048 R15: ffffffff84d74dc0 [ 158.004505] FS: 00005555561e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 158.005516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.006265] CR2: 00007fed1bcc56f4 CR3: 000000000e59e000 CR4: 0000000000350ef0 [ 158.007136] Call Trace: [ 158.007526] [ 158.007826] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 158.008474] ipv4_frags_init_net+0x269/0x440 [ 158.009028] ops_init+0xbb/0x6b0 [ 158.009507] setup_net+0x3d9/0x990 [ 158.009960] ? down_read_killable+0x1d7/0x4e0 [ 158.010566] ? __pfx_setup_net+0x10/0x10 [ 158.011076] ? copy_net_ns+0x17c/0x770 [ 158.011639] copy_net_ns+0x321/0x770 [ 158.012121] create_new_namespaces+0x3f6/0xb30 [ 158.012741] unshare_nsproxy_namespaces+0xc1/0x200 [ 158.013381] ksys_unshare+0x44d/0x8e0 [ 158.013867] ? __pfx_ksys_unshare+0x10/0x10 [ 158.014441] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 158.015155] __x64_sys_unshare+0x31/0x40 [ 158.015715] do_syscall_64+0x3f/0x90 [ 158.016223] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 158.016862] RIP: 0033:0x7f97f625b0d7 [ 158.017362] 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 [ 158.019524] RSP: 002b:00007ffc84554928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 158.020473] RAX: ffffffffffffffda RBX: 00007ffc84554f68 RCX: 00007f97f625b0d7 [ 158.021353] RDX: 00007f97f62c541f RSI: 00007ffc845548c0 RDI: 0000000040000000 [ 158.022239] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc845546d0 [ 158.023081] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97f636dbf0 [ 158.024005] R13: 00007ffc84554a00 R14: 0000000000000000 R15: 00000000000000f8 [ 158.024915] [ 158.025257] irq event stamp: 11775 [ 158.025696] hardirqs last enabled at (11785): [] __up_console_sem+0x78/0x80 [ 158.026773] hardirqs last disabled at (11796): [] __up_console_sem+0x5d/0x80 [ 158.027851] softirqs last enabled at (11770): [] irq_exit_rcu+0x93/0xc0 [ 158.028902] softirqs last disabled at (11765): [] irq_exit_rcu+0x93/0xc0 [ 158.029937] ---[ end trace 0000000000000000 ]--- [ 158.038847] ------------[ cut here ]------------ [ 158.039485] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 158.041133] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 158.042218] Modules linked in: [ 158.042630] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 158.043818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 158.044839] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 158.045526] 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 [ 158.047725] RSP: 0018:ffff88801f6bfc00 EFLAGS: 00010282 [ 158.048419] RAX: 0000000000000000 RBX: ffff88800c646040 RCX: 0000000000000000 [ 158.049302] RDX: ffff8880141b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 158.050160] RBP: ffff88800c646054 R08: 0000000000000001 R09: 0000000000000000 [ 158.051056] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 158.051974] R13: ffffffff84e23fe0 R14: ffff88800c646048 R15: ffffffff84da7d60 [ 158.052861] FS: 00005555561e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 158.053858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.054597] CR2: 00007fed1bcc56f4 CR3: 000000000e59e000 CR4: 0000000000350ef0 [ 158.055521] Call Trace: [ 158.055849] [ 158.056148] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 158.056807] ipv6_frags_init_net+0x206/0x3c0 [ 158.057431] ops_init+0xbb/0x6b0 [ 158.057880] setup_net+0x3d9/0x990 [ 158.058383] ? down_read_killable+0x1d7/0x4e0 [ 158.058961] ? __pfx_setup_net+0x10/0x10 [ 158.059512] ? copy_net_ns+0x17c/0x770 [ 158.060016] copy_net_ns+0x321/0x770 [ 158.060539] create_new_namespaces+0x3f6/0xb30 [ 158.061124] unshare_nsproxy_namespaces+0xc1/0x200 [ 158.061776] ksys_unshare+0x44d/0x8e0 [ 158.062297] ? __pfx_ksys_unshare+0x10/0x10 [ 158.062844] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 158.063607] __x64_sys_unshare+0x31/0x40 [ 158.064123] do_syscall_64+0x3f/0x90 [ 158.064638] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 158.065308] RIP: 0033:0x7f97f625b0d7 [ 158.065772] 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 [ 158.067967] RSP: 002b:00007ffc84554928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 158.068931] RAX: ffffffffffffffda RBX: 00007ffc84554f68 RCX: 00007f97f625b0d7 [ 158.069842] RDX: 00007f97f62c541f RSI: 00007ffc845548c0 RDI: 0000000040000000 [ 158.070737] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc845546d0 [ 158.071672] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97f636dbf0 [ 158.072572] R13: 00007ffc84554a00 R14: 0000000000000000 R15: 00000000000000f8 [ 158.073495] [ 158.073798] irq event stamp: 16953 [ 158.074262] hardirqs last enabled at (16965): [] __up_console_sem+0x78/0x80 [ 158.075340] hardirqs last disabled at (16976): [] __up_console_sem+0x5d/0x80 [ 158.076411] softirqs last enabled at (16680): [] irq_exit_rcu+0x93/0xc0 [ 158.077451] softirqs last disabled at (16675): [] irq_exit_rcu+0x93/0xc0 [ 158.078508] ---[ end trace 0000000000000000 ]--- [ 158.079880] ------------[ cut here ]------------ [ 158.080514] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 158.082463] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 158.083535] Modules linked in: [ 158.083941] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 158.085102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 158.086115] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 158.086797] 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 [ 158.088990] RSP: 0018:ffff88801f6bfbf0 EFLAGS: 00010286 [ 158.089682] RAX: 0000000000000000 RBX: ffff88800f0a6640 RCX: 0000000000000000 [ 158.090565] RDX: ffff8880141b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 158.091487] RBP: ffff88800f0a6654 R08: 0000000000000001 R09: 0000000000000000 [ 158.092370] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 158.093275] R13: ffffffff84e23fe0 R14: ffff88800f0a6648 R15: ffffffff84db0aa0 [ 158.094137] FS: 00005555561e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 158.095139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.095887] CR2: 00007fed1bcc56f4 CR3: 000000000e59e000 CR4: 0000000000350ef0 [ 158.096787] Call Trace: [ 158.097113] [ 158.097447] nf_ct_net_init+0x224/0x3d0 [ 158.097961] ? __pfx_nf_ct_net_init+0x10/0x10 [ 158.098572] ops_init+0xbb/0x6b0 [ 158.099019] setup_net+0x3d9/0x990 [ 158.099524] ? down_read_killable+0x1d7/0x4e0 [ 158.100107] ? __pfx_setup_net+0x10/0x10 [ 158.100661] ? copy_net_ns+0x17c/0x770 [ 158.101169] copy_net_ns+0x321/0x770 [ 158.101684] create_new_namespaces+0x3f6/0xb30 [ 158.102300] unshare_nsproxy_namespaces+0xc1/0x200 [ 158.102920] ksys_unshare+0x44d/0x8e0 [ 158.103458] ? __pfx_ksys_unshare+0x10/0x10 [ 158.104012] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 158.104758] __x64_sys_unshare+0x31/0x40 [ 158.105325] do_syscall_64+0x3f/0x90 [ 158.105806] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 158.106490] RIP: 0033:0x7f97f625b0d7 [ 158.106951] 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 [ 158.109199] RSP: 002b:00007ffc84554928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 158.110115] RAX: ffffffffffffffda RBX: 00007ffc84554f68 RCX: 00007f97f625b0d7 [ 158.111000] RDX: 00007f97f62c541f RSI: 00007ffc845548c0 RDI: 0000000040000000 [ 158.111897] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc845546d0 [ 158.112800] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97f636dbf0 [ 158.113692] R13: 00007ffc84554a00 R14: 0000000000000000 R15: 00000000000000f8 [ 158.114620] [ 158.114927] irq event stamp: 17755 [ 158.115402] hardirqs last enabled at (17767): [] __up_console_sem+0x78/0x80 [ 158.116467] hardirqs last disabled at (17778): [] __up_console_sem+0x5d/0x80 [ 158.117539] softirqs last enabled at (17618): [] irq_exit_rcu+0x93/0xc0 [ 158.118584] softirqs last disabled at (17609): [] irq_exit_rcu+0x93/0xc0 [ 158.119652] ---[ end trace 0000000000000000 ]--- executing program [ 159.657873] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 161.705243] Bluetooth: hci0: command 0x041b tx timeout [ 163.753268] Bluetooth: hci0: command 0x040f tx timeout executing program [ 165.801309] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:02:42 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f6bf5e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 00005555561e0400 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=00007fed1bcc56f4 CR3=000000000e59e000 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=00000000000af133 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=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=00007f0fd310c6e0 CR3=000000000f4c0000 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=2039323a34303a36302038312079614d XMM01=5d3736393139392e37353120205b203a XMM02=7379735f74656e5f7265747369676572 XMM03=39392e37353120205b203a6c656e7265 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3831393039392e37353120205b20 XMM07=732039323a34303a3630203831207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000