Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31473' (ECDSA) to the list of known hosts. 2023/05/18 07:57:28 fuzzer started 2023/05/18 07:57:28 dialing manager at localhost:44319 2023/05/18 07:57:28 checking machine... 2023/05/18 07:57:28 checking revisions... syzkaller login: [ 40.733307] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:57:28 testing simple program... [ 40.804042] cgroup: Unknown subsys name 'net' [ 40.891282] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.930691] audit: type=1400 audit(1684396660.998:6): 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 [ 54.039664] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.041544] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.043298] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.046994] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.048572] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.056862] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.422725] ------------[ cut here ]------------ [ 54.423375] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.425570] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.426934] Modules linked in: [ 54.427366] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.429177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.431272] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.433481] 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 [ 54.435850] RSP: 0018:ffff88801ec3fc00 EFLAGS: 00010282 [ 54.436549] RAX: 0000000000000000 RBX: ffff88800c6efc40 RCX: 0000000000000000 [ 54.437554] RDX: ffff8880096e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.438578] RBP: ffff88800c6efc54 R08: 0000000000000001 R09: 0000000000000000 [ 54.439598] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.440592] R13: ffffffff84e23fe0 R14: ffff88800c6efc48 R15: ffffffff84d74dc0 [ 54.441532] FS: 0000555557013400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.442576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.443340] CR2: 00007fa2cc4876f4 CR3: 000000000c8ea000 CR4: 0000000000350ee0 [ 54.444268] Call Trace: [ 54.444606] [ 54.444942] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.445570] ipv4_frags_init_net+0x269/0x440 [ 54.446198] ops_init+0xbb/0x6b0 [ 54.446696] setup_net+0x3d9/0x990 [ 54.447166] ? down_read_killable+0x1d7/0x4e0 [ 54.447805] ? __pfx_setup_net+0x10/0x10 [ 54.448336] ? copy_net_ns+0x17c/0x770 [ 54.448908] copy_net_ns+0x321/0x770 [ 54.449405] create_new_namespaces+0x3f6/0xb30 [ 54.450051] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.450711] ksys_unshare+0x44d/0x8e0 [ 54.451203] ? __pfx_ksys_unshare+0x10/0x10 [ 54.451818] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.452552] __x64_sys_unshare+0x31/0x40 [ 54.453120] do_syscall_64+0x3f/0x90 [ 54.453647] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.454321] RIP: 0033:0x7f1f6adc00d7 [ 54.454829] 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 [ 54.457122] RSP: 002b:00007ffc18675618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.458114] RAX: ffffffffffffffda RBX: 00007ffc18675c58 RCX: 00007f1f6adc00d7 [ 54.459048] RDX: 00007f1f6ae2a41f RSI: 00007ffc186755b0 RDI: 0000000040000000 [ 54.460003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc186753c0 [ 54.460934] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1f6aed2bf0 [ 54.461857] R13: 00007ffc186756f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.462829] [ 54.463143] irq event stamp: 8881 [ 54.463590] hardirqs last enabled at (8891): [] __up_console_sem+0x78/0x80 [ 54.464722] hardirqs last disabled at (8904): [] __up_console_sem+0x5d/0x80 [ 54.465829] softirqs last enabled at (8510): [] irq_exit_rcu+0x93/0xc0 [ 54.466922] softirqs last disabled at (8489): [] irq_exit_rcu+0x93/0xc0 [ 54.468030] ---[ end trace 0000000000000000 ]--- [ 54.474753] ------------[ cut here ]------------ [ 54.475411] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.477874] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.479111] Modules linked in: [ 54.479531] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.480931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.482121] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.482969] 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 [ 54.485378] RSP: 0018:ffff88801ec3fc00 EFLAGS: 00010282 [ 54.486267] RAX: 0000000000000000 RBX: ffff88800c4e1c40 RCX: 0000000000000000 [ 54.487316] RDX: ffff8880096e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.488388] RBP: ffff88800c4e1c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.489423] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.490486] R13: ffffffff84e23fe0 R14: ffff88800c4e1c48 R15: ffffffff84da7d60 [ 54.491563] FS: 0000555557013400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.492754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.493493] CR2: 00007f62cda0dd90 CR3: 000000000c8ea000 CR4: 0000000000350ef0 [ 54.494605] Call Trace: [ 54.495063] [ 54.495367] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.496171] ipv6_frags_init_net+0x206/0x3c0 [ 54.496902] ops_init+0xbb/0x6b0 [ 54.497373] setup_net+0x3d9/0x990 [ 54.498014] ? down_read_killable+0x1d7/0x4e0 [ 54.498603] ? __pfx_setup_net+0x10/0x10 [ 54.499289] ? copy_net_ns+0x17c/0x770 [ 54.499972] copy_net_ns+0x321/0x770 [ 54.500482] create_new_namespaces+0x3f6/0xb30 [ 54.501249] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.502089] ksys_unshare+0x44d/0x8e0 [ 54.502597] ? __pfx_ksys_unshare+0x10/0x10 [ 54.503300] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.504287] __x64_sys_unshare+0x31/0x40 [ 54.505025] do_syscall_64+0x3f/0x90 [ 54.505520] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.506334] RIP: 0033:0x7f1f6adc00d7 [ 54.506989] 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 [ 54.509379] RSP: 002b:00007ffc18675618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.510532] RAX: ffffffffffffffda RBX: 00007ffc18675c58 RCX: 00007f1f6adc00d7 [ 54.511573] RDX: 00007f1f6ae2a41f RSI: 00007ffc186755b0 RDI: 0000000040000000 [ 54.512671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc186753c0 [ 54.513552] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1f6aed2bf0 [ 54.514557] R13: 00007ffc186756f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.515705] [ 54.516011] irq event stamp: 14939 [ 54.516449] hardirqs last enabled at (14949): [] __up_console_sem+0x78/0x80 [ 54.517682] hardirqs last disabled at (15016): [] __up_console_sem+0x5d/0x80 [ 54.518966] softirqs last enabled at (15124): [] irq_exit_rcu+0x93/0xc0 [ 54.520176] softirqs last disabled at (15137): [] irq_exit_rcu+0x93/0xc0 [ 54.521348] ---[ end trace 0000000000000000 ]--- [ 54.523120] ------------[ cut here ]------------ [ 54.524470] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.526469] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.527679] Modules linked in: [ 54.528126] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.529428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.530524] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.531226] 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 [ 54.533480] RSP: 0018:ffff88801ec3fbf0 EFLAGS: 00010286 [ 54.534178] RAX: 0000000000000000 RBX: ffff88800d755c40 RCX: 0000000000000000 [ 54.535116] RDX: ffff8880096e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.536062] RBP: ffff88800d755c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.537000] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.537941] R13: ffffffff84e23fe0 R14: ffff88800d755c48 R15: ffffffff84db0aa0 [ 54.538860] FS: 0000555557013400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.539927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.540684] CR2: 00007f62cda0dd90 CR3: 000000000c8ea000 CR4: 0000000000350ef0 [ 54.541578] Call Trace: [ 54.541958] [ 54.542269] nf_ct_net_init+0x224/0x3d0 [ 54.542837] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.543428] ops_init+0xbb/0x6b0 [ 54.543921] setup_net+0x3d9/0x990 [ 54.544404] ? down_read_killable+0x1d7/0x4e0 [ 54.545022] ? __pfx_setup_net+0x10/0x10 [ 54.545545] ? copy_net_ns+0x17c/0x770 [ 54.546102] copy_net_ns+0x321/0x770 [ 54.546601] create_new_namespaces+0x3f6/0xb30 [ 54.547237] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.547928] ksys_unshare+0x44d/0x8e0 [ 54.548434] ? __pfx_ksys_unshare+0x10/0x10 [ 54.549037] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.549778] __x64_sys_unshare+0x31/0x40 [ 54.550324] do_syscall_64+0x3f/0x90 [ 54.550852] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.551529] RIP: 0033:0x7f1f6adc00d7 [ 54.552022] 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 [ 54.554234] RSP: 002b:00007ffc18675618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.555190] RAX: ffffffffffffffda RBX: 00007ffc18675c58 RCX: 00007f1f6adc00d7 [ 54.556123] RDX: 00007f1f6ae2a41f RSI: 00007ffc186755b0 RDI: 0000000040000000 [ 54.557030] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc186753c0 [ 54.557954] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1f6aed2bf0 [ 54.558862] R13: 00007ffc186756f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.559800] [ 54.560112] irq event stamp: 16489 [ 54.560557] hardirqs last enabled at (16499): [] __up_console_sem+0x78/0x80 [ 54.561674] hardirqs last disabled at (16516): [] __up_console_sem+0x5d/0x80 [ 54.562776] softirqs last enabled at (16512): [] irq_exit_rcu+0x93/0xc0 [ 54.563807] softirqs last disabled at (16507): [] irq_exit_rcu+0x93/0xc0 [ 54.564857] ---[ end trace 0000000000000000 ]--- executing program [ 56.124227] Bluetooth: hci0: command 0x0409 tx timeout [ 58.171677] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.219753] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.268686] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 07:57:38 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11002dcde62 RSI=ffff888016e6f298 RDI=ffff888016e6f318 RBP=ffff888016e6f360 RSP=ffff888016e6f208 R8 =ffffffff8608e0ae R9 =ffffffff8608e0b2 R10=0000000000038001 R11=ffff888016e6f308 R12=ffff888016e6f328 R13=ffff888016e6f310 R14=ffff888016e6f298 R15=ffff888016e6f2c8 RIP=ffffffff8113198f RFL=00000212 [----A--] 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 00007f62ce61b900 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=00007f62cdb161e0 CR3=0000000015ef4000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=551671db2bd94b4b000000000013b9d8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=76dba4cf7c727c5600000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000005b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ec3f5e0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000005b R11=0000000000000001 R12=000000000000005b 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 0000555557013400 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=00007fa2cc4876f4 CR3=000000000c8ea000 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