Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:65150' (ECDSA) to the list of known hosts. 2023/05/18 09:37:01 fuzzer started 2023/05/18 09:37:01 dialing manager at localhost:44319 2023/05/18 09:37:01 checking machine... 2023/05/18 09:37:01 checking revisions... syzkaller login: [ 74.461475] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:37:01 testing simple program... [ 74.521373] cgroup: Unknown subsys name 'net' [ 74.621155] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 86.664167] audit: type=1400 audit(1684402633.708:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 87.764977] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.769364] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.771076] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.773114] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.774742] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.775827] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.047911] ------------[ cut here ]------------ [ 88.048407] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 88.049494] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.050224] Modules linked in: [ 88.050541] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.051539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.054283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.054727] 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 [ 88.056257] RSP: 0018:ffff88801a14fc00 EFLAGS: 00010282 [ 88.056699] RAX: 0000000000000000 RBX: ffff888009484840 RCX: 0000000000000000 [ 88.057312] RDX: ffff888016f5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.057900] RBP: ffff888009484854 R08: 0000000000000001 R09: 0000000000000000 [ 88.058523] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.059106] R13: ffffffff84e23fe0 R14: ffff888009484848 R15: ffffffff84d74dc0 [ 88.059724] FS: 0000555556093400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 88.060433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.060913] CR2: 00007f5c83b616f4 CR3: 0000000019146000 CR4: 0000000000350ee0 [ 88.061524] Call Trace: [ 88.061748] [ 88.061950] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 88.062400] ipv4_frags_init_net+0x269/0x440 [ 88.062785] ops_init+0xbb/0x6b0 [ 88.063095] setup_net+0x3d9/0x990 [ 88.063432] ? down_read_killable+0x1d7/0x4e0 [ 88.063825] ? __pfx_setup_net+0x10/0x10 [ 88.064171] ? copy_net_ns+0x17c/0x770 [ 88.064579] copy_net_ns+0x321/0x770 [ 88.064918] create_new_namespaces+0x3f6/0xb30 [ 88.065340] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.065751] ksys_unshare+0x44d/0x8e0 [ 88.066088] ? __pfx_ksys_unshare+0x10/0x10 [ 88.066504] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.067003] __x64_sys_unshare+0x31/0x40 [ 88.067388] do_syscall_64+0x3f/0x90 [ 88.067724] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.068169] RIP: 0033:0x7fea846eb0d7 [ 88.068539] 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 [ 88.070045] RSP: 002b:00007ffd8843a1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 88.070695] RAX: ffffffffffffffda RBX: 00007ffd8843a828 RCX: 00007fea846eb0d7 [ 88.071310] RDX: 00007fea8475541f RSI: 00007ffd8843a180 RDI: 0000000040000000 [ 88.071897] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88439f90 [ 88.072546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fea847fdbf0 [ 88.073127] R13: 00007ffd8843a2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.073755] [ 88.073964] irq event stamp: 8663 [ 88.074275] hardirqs last enabled at (8675): [] __up_console_sem+0x78/0x80 [ 88.074988] hardirqs last disabled at (8684): [] __up_console_sem+0x5d/0x80 [ 88.075733] softirqs last enabled at (8698): [] irq_exit_rcu+0x93/0xc0 [ 88.076468] softirqs last disabled at (8693): [] irq_exit_rcu+0x93/0xc0 [ 88.077152] ---[ end trace 0000000000000000 ]--- [ 88.083439] ------------[ cut here ]------------ [ 88.083927] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 88.085705] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.086477] Modules linked in: [ 88.086765] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.087635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.088405] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.088863] 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 [ 88.090511] RSP: 0018:ffff88801a14fc00 EFLAGS: 00010282 [ 88.090970] RAX: 0000000000000000 RBX: ffff88800ebc5040 RCX: 0000000000000000 [ 88.091720] RDX: ffff888016f5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.092364] RBP: ffff88800ebc5054 R08: 0000000000000001 R09: 0000000000000000 [ 88.092947] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.093581] R13: ffffffff84e23fe0 R14: ffff88800ebc5048 R15: ffffffff84da7d60 [ 88.094178] FS: 0000555556093400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 88.094886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.095400] CR2: 00007f5c83b616f4 CR3: 0000000019146000 CR4: 0000000000350ee0 [ 88.095981] Call Trace: [ 88.096200] [ 88.096459] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 88.096873] ipv6_frags_init_net+0x206/0x3c0 [ 88.097271] ops_init+0xbb/0x6b0 [ 88.097578] setup_net+0x3d9/0x990 [ 88.097890] ? down_read_killable+0x1d7/0x4e0 [ 88.098300] ? __pfx_setup_net+0x10/0x10 [ 88.098647] ? copy_net_ns+0x17c/0x770 [ 88.099001] copy_net_ns+0x321/0x770 [ 88.099347] create_new_namespaces+0x3f6/0xb30 [ 88.099745] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.100171] ksys_unshare+0x44d/0x8e0 [ 88.100563] ? __pfx_ksys_unshare+0x10/0x10 [ 88.100947] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.101468] __x64_sys_unshare+0x31/0x40 [ 88.101820] do_syscall_64+0x3f/0x90 [ 88.102140] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.102605] RIP: 0033:0x7fea846eb0d7 [ 88.102918] 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 [ 88.104438] RSP: 002b:00007ffd8843a1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 88.105055] RAX: ffffffffffffffda RBX: 00007ffd8843a828 RCX: 00007fea846eb0d7 [ 88.105670] RDX: 00007fea8475541f RSI: 00007ffd8843a180 RDI: 0000000040000000 [ 88.106272] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88439f90 [ 88.106852] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fea847fdbf0 [ 88.107452] R13: 00007ffd8843a2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.108053] [ 88.108299] irq event stamp: 11419 [ 88.108589] hardirqs last enabled at (11429): [] __up_console_sem+0x78/0x80 [ 88.109336] hardirqs last disabled at (11440): [] __up_console_sem+0x5d/0x80 [ 88.110053] softirqs last enabled at (11008): [] irq_exit_rcu+0x93/0xc0 [ 88.110785] softirqs last disabled at (10999): [] irq_exit_rcu+0x93/0xc0 [ 88.111502] ---[ end trace 0000000000000000 ]--- [ 88.112818] ------------[ cut here ]------------ [ 88.113224] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 88.114525] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.115227] Modules linked in: [ 88.115735] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.116527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.117188] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.117656] 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 [ 88.119143] RSP: 0018:ffff88801a14fbf0 EFLAGS: 00010286 [ 88.119612] RAX: 0000000000000000 RBX: ffff88800e667840 RCX: 0000000000000000 [ 88.120194] RDX: ffff888016f5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.120814] RBP: ffff88800e667854 R08: 0000000000000001 R09: 0000000000000000 [ 88.121417] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.121998] R13: ffffffff84e23fe0 R14: ffff88800e667848 R15: ffffffff84db0aa0 [ 88.122612] FS: 0000555556093400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 88.123292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.123768] CR2: 00007f5c83b616f4 CR3: 0000000019146000 CR4: 0000000000350ee0 [ 88.124412] Call Trace: [ 88.124637] [ 88.124844] nf_ct_net_init+0x224/0x3d0 [ 88.125189] ? __pfx_nf_ct_net_init+0x10/0x10 [ 88.125606] ops_init+0xbb/0x6b0 [ 88.125910] setup_net+0x3d9/0x990 [ 88.126216] ? down_read_killable+0x1d7/0x4e0 [ 88.126622] ? __pfx_setup_net+0x10/0x10 [ 88.126967] ? copy_net_ns+0x17c/0x770 [ 88.127362] copy_net_ns+0x321/0x770 [ 88.127709] create_new_namespaces+0x3f6/0xb30 [ 88.128103] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.128599] ksys_unshare+0x44d/0x8e0 [ 88.128937] ? __pfx_ksys_unshare+0x10/0x10 [ 88.129355] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.129858] __x64_sys_unshare+0x31/0x40 [ 88.130223] do_syscall_64+0x3f/0x90 [ 88.130606] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.131058] RIP: 0033:0x7fea846eb0d7 [ 88.131428] 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 [ 88.132979] RSP: 002b:00007ffd8843a1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 88.133651] RAX: ffffffffffffffda RBX: 00007ffd8843a828 RCX: 00007fea846eb0d7 [ 88.134229] RDX: 00007fea8475541f RSI: 00007ffd8843a180 RDI: 0000000040000000 [ 88.134828] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88439f90 [ 88.135437] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fea847fdbf0 [ 88.136018] R13: 00007ffd8843a2c0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.136664] [ 88.136869] irq event stamp: 12323 [ 88.137162] hardirqs last enabled at (12333): [] __up_console_sem+0x78/0x80 [ 88.137894] hardirqs last disabled at (12344): [] __up_console_sem+0x5d/0x80 [ 88.138628] softirqs last enabled at (12358): [] irq_exit_rcu+0x93/0xc0 [ 88.139345] softirqs last disabled at (12353): [] irq_exit_rcu+0x93/0xc0 [ 88.140020] ---[ end trace 0000000000000000 ]--- executing program [ 89.794725] Bluetooth: hci0: command 0x0409 tx timeout [ 91.842304] Bluetooth: hci0: command 0x041b tx timeout executing program [ 93.890314] Bluetooth: hci0: command 0x040f tx timeout executing program [ 95.938312] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 09:36:34 Registers: info registers vcpu 0 RAX=0000000000031bf7 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f706de98b60 CR3=000000000eb8c000 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=3809cded371d0b8de245d8c36db40ee4 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000000d4b28 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=713dc942dcceef6f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000049 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a14f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000049 R11=0000000000000001 R12=0000000000000049 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 0000555556093400 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=00007f5c83b616f4 CR3=0000000019146000 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