Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43712' (ECDSA) to the list of known hosts. 2023/05/18 05:57:40 fuzzer started 2023/05/18 05:57:40 dialing manager at localhost:44319 2023/05/18 05:57:40 checking machine... 2023/05/18 05:57:40 checking revisions... syzkaller login: [ 39.012122] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:57:40 testing simple program... [ 39.055869] cgroup: Unknown subsys name 'net' [ 39.134245] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.508833] audit: type=1400 audit(1684389473.267:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.614415] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.616269] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.617933] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.620701] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.622306] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.623719] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.009793] ------------[ cut here ]------------ [ 53.010883] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.012900] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.014246] Modules linked in: [ 53.014757] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.019188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.020251] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.020920] 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 [ 53.023211] RSP: 0018:ffff8880168d7c00 EFLAGS: 00010282 [ 53.023893] RAX: 0000000000000000 RBX: ffff88800e426440 RCX: 0000000000000000 [ 53.024814] RDX: ffff8880144f0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.025742] RBP: ffff88800e426454 R08: 0000000000000001 R09: 0000000000000000 [ 53.026675] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.027596] R13: ffffffff84e23fe0 R14: ffff88800e426448 R15: ffffffff84d74dc0 [ 53.028523] FS: 0000555556784400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.029566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.030333] CR2: 00007f695d63b000 CR3: 0000000019368000 CR4: 0000000000350ef0 [ 53.031266] Call Trace: [ 53.031612] [ 53.031919] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.032602] ipv4_frags_init_net+0x269/0x440 [ 53.033208] ops_init+0xbb/0x6b0 [ 53.033671] setup_net+0x3d9/0x990 [ 53.034158] ? down_read_killable+0x1d7/0x4e0 [ 53.034750] ? __pfx_setup_net+0x10/0x10 [ 53.035296] ? copy_net_ns+0x17c/0x770 [ 53.035809] copy_net_ns+0x321/0x770 [ 53.036329] create_new_namespaces+0x3f6/0xb30 [ 53.036917] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.037561] ksys_unshare+0x44d/0x8e0 [ 53.038090] ? __pfx_ksys_unshare+0x10/0x10 [ 53.038648] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.039396] __x64_sys_unshare+0x31/0x40 [ 53.039936] do_syscall_64+0x3f/0x90 [ 53.040471] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.041187] RIP: 0033:0x7fe4f49090d7 [ 53.041690] 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 [ 53.043914] RSP: 002b:00007ffde293d988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.044879] RAX: ffffffffffffffda RBX: 00007ffde293dfc8 RCX: 00007fe4f49090d7 [ 53.045792] RDX: 00007fe4f497341f RSI: 00007ffde293d920 RDI: 0000000040000000 [ 53.046743] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde293d730 [ 53.047664] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe4f4a1bbf0 [ 53.048573] R13: 00007ffde293da60 R14: 0000000000000000 R15: 00000000000000f8 [ 53.049514] [ 53.049828] irq event stamp: 10387 [ 53.050315] hardirqs last enabled at (10399): [] __up_console_sem+0x78/0x80 [ 53.051432] hardirqs last disabled at (10410): [] __up_console_sem+0x5d/0x80 [ 53.052553] softirqs last enabled at (10256): [] irq_exit_rcu+0x93/0xc0 [ 53.053628] softirqs last disabled at (10251): [] irq_exit_rcu+0x93/0xc0 [ 53.054735] ---[ end trace 0000000000000000 ]--- [ 53.060827] ------------[ cut here ]------------ [ 53.061485] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.063293] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.064390] Modules linked in: [ 53.064803] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.066009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.067106] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.067776] 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 [ 53.070069] RSP: 0018:ffff8880168d7c00 EFLAGS: 00010282 [ 53.070779] RAX: 0000000000000000 RBX: ffff88800dee7040 RCX: 0000000000000000 [ 53.071742] RDX: ffff8880144f0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.072665] RBP: ffff88800dee7054 R08: 0000000000000001 R09: 0000000000000000 [ 53.073600] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.074529] R13: ffffffff84e23fe0 R14: ffff88800dee7048 R15: ffffffff84da7d60 [ 53.075464] FS: 0000555556784400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.076529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.077303] CR2: 00007f695d63b000 CR3: 0000000019368000 CR4: 0000000000350ef0 [ 53.078238] Call Trace: [ 53.078591] [ 53.078900] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.079586] ipv6_frags_init_net+0x206/0x3c0 [ 53.080203] ops_init+0xbb/0x6b0 [ 53.080676] setup_net+0x3d9/0x990 [ 53.081196] ? down_read_killable+0x1d7/0x4e0 [ 53.081793] ? __pfx_setup_net+0x10/0x10 [ 53.082395] ? copy_net_ns+0x17c/0x770 [ 53.082931] copy_net_ns+0x321/0x770 [ 53.083473] create_new_namespaces+0x3f6/0xb30 [ 53.084105] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.084753] ksys_unshare+0x44d/0x8e0 [ 53.085296] ? __pfx_ksys_unshare+0x10/0x10 [ 53.085848] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.086598] __x64_sys_unshare+0x31/0x40 [ 53.087169] do_syscall_64+0x3f/0x90 [ 53.087658] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.088356] RIP: 0033:0x7fe4f49090d7 [ 53.088834] 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 [ 53.091145] RSP: 002b:00007ffde293d988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.092136] RAX: ffffffffffffffda RBX: 00007ffde293dfc8 RCX: 00007fe4f49090d7 [ 53.093072] RDX: 00007fe4f497341f RSI: 00007ffde293d920 RDI: 0000000040000000 [ 53.094012] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde293d730 [ 53.094929] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe4f4a1bbf0 [ 53.095854] R13: 00007ffde293da60 R14: 0000000000000000 R15: 00000000000000f8 [ 53.096808] [ 53.097150] irq event stamp: 12949 [ 53.097599] hardirqs last enabled at (12959): [] __up_console_sem+0x78/0x80 [ 53.098724] hardirqs last disabled at (12970): [] __up_console_sem+0x5d/0x80 [ 53.099834] softirqs last enabled at (11394): [] irq_exit_rcu+0x93/0xc0 [ 53.100902] softirqs last disabled at (11375): [] irq_exit_rcu+0x93/0xc0 [ 53.101981] ---[ end trace 0000000000000000 ]--- [ 53.103420] ------------[ cut here ]------------ [ 53.104110] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.106076] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.107189] Modules linked in: [ 53.107597] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.108817] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.109876] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.110607] 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 [ 53.112875] RSP: 0018:ffff8880168d7bf0 EFLAGS: 00010286 [ 53.113579] RAX: 0000000000000000 RBX: ffff88800dee6a40 RCX: 0000000000000000 [ 53.114517] RDX: ffff8880144f0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.115466] RBP: ffff88800dee6a54 R08: 0000000000000001 R09: 0000000000000000 [ 53.116411] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.117337] R13: ffffffff84e23fe0 R14: ffff88800dee6a48 R15: ffffffff84db0aa0 [ 53.118279] FS: 0000555556784400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.119338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.120109] CR2: 00007f695d63b000 CR3: 0000000019368000 CR4: 0000000000350ef0 [ 53.121044] Call Trace: [ 53.121385] [ 53.121684] nf_ct_net_init+0x224/0x3d0 [ 53.122248] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.122858] ops_init+0xbb/0x6b0 [ 53.123353] setup_net+0x3d9/0x990 [ 53.123826] ? down_read_killable+0x1d7/0x4e0 [ 53.124449] ? __pfx_setup_net+0x10/0x10 [ 53.125012] ? copy_net_ns+0x17c/0x770 [ 53.125536] copy_net_ns+0x321/0x770 [ 53.126073] create_new_namespaces+0x3f6/0xb30 [ 53.126673] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.127342] ksys_unshare+0x44d/0x8e0 [ 53.127848] ? __pfx_ksys_unshare+0x10/0x10 [ 53.128437] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.129220] __x64_sys_unshare+0x31/0x40 [ 53.129751] do_syscall_64+0x3f/0x90 [ 53.130288] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.131015] RIP: 0033:0x7fe4f49090d7 [ 53.131501] 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 [ 53.133723] RSP: 002b:00007ffde293d988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.134684] RAX: ffffffffffffffda RBX: 00007ffde293dfc8 RCX: 00007fe4f49090d7 [ 53.135581] RDX: 00007fe4f497341f RSI: 00007ffde293d920 RDI: 0000000040000000 [ 53.136474] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde293d730 [ 53.137371] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe4f4a1bbf0 [ 53.138277] R13: 00007ffde293da60 R14: 0000000000000000 R15: 00000000000000f8 [ 53.139227] [ 53.139529] irq event stamp: 13775 [ 53.139994] hardirqs last enabled at (13787): [] __up_console_sem+0x78/0x80 [ 53.141088] hardirqs last disabled at (13798): [] __up_console_sem+0x5d/0x80 [ 53.142160] softirqs last enabled at (13256): [] irq_exit_rcu+0x93/0xc0 [ 53.143230] softirqs last disabled at (13233): [] irq_exit_rcu+0x93/0xc0 [ 53.144291] ---[ end trace 0000000000000000 ]--- executing program [ 54.694582] Bluetooth: hci0: command 0x0409 tx timeout [ 56.742145] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.790046] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.837996] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:57:52 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880168d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556784400 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=00007f695d63b000 CR3=0000000019368000 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=0000000000031e37 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=00007f695d54fa60 CR3=000000000f158000 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=2034353a37353a35302038312079614d XMM01=5d3030393231302e33352020205b203a XMM02=74656e20746120363632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120363632203a4449 XMM06=57205d3030393231302e33352020205b XMM07=79732034353a37353a35302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000