Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:6109' (ECDSA) to the list of known hosts. 2023/05/18 10:24:20 fuzzer started 2023/05/18 10:24:21 dialing manager at localhost:44319 2023/05/18 10:24:21 checking machine... 2023/05/18 10:24:21 checking revisions... syzkaller login: [ 36.796321] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:24:21 testing simple program... [ 36.867899] cgroup: Unknown subsys name 'net' [ 36.973257] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.065272] audit: type=1400 audit(1684405473.636:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.213715] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.216154] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.217424] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.220586] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.223010] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.224865] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.609717] ------------[ cut here ]------------ [ 50.610499] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.612521] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.613827] Modules linked in: [ 50.614258] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.619110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.620156] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.620859] 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 [ 50.623090] RSP: 0018:ffff88800e147c00 EFLAGS: 00010282 [ 50.623772] RAX: 0000000000000000 RBX: ffff88800e824040 RCX: 0000000000000000 [ 50.624708] RDX: ffff888015a951c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.625640] RBP: ffff88800e824054 R08: 0000000000000001 R09: 0000000000000000 [ 50.626564] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.627489] R13: ffffffff84e23fe0 R14: ffff88800e824048 R15: ffffffff84d74dc0 [ 50.628418] FS: 0000555556908400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.629480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.630241] CR2: 00007f7aa06afb70 CR3: 0000000016a36000 CR4: 0000000000350ee0 [ 50.631173] Call Trace: [ 50.631522] [ 50.631836] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.632513] ipv4_frags_init_net+0x269/0x440 [ 50.633159] ops_init+0xbb/0x6b0 [ 50.633631] setup_net+0x3d9/0x990 [ 50.634140] ? down_read_killable+0x1d7/0x4e0 [ 50.634742] ? __pfx_setup_net+0x10/0x10 [ 50.635302] ? copy_net_ns+0x17c/0x770 [ 50.635835] copy_net_ns+0x321/0x770 [ 50.636374] create_new_namespaces+0x3f6/0xb30 [ 50.636994] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.637667] ksys_unshare+0x44d/0x8e0 [ 50.638208] ? __pfx_ksys_unshare+0x10/0x10 [ 50.638771] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.639549] __x64_sys_unshare+0x31/0x40 [ 50.640108] do_syscall_64+0x3f/0x90 [ 50.640609] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.641343] RIP: 0033:0x7ff71dbc90d7 [ 50.641825] 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 [ 50.644083] RSP: 002b:00007ffe8ee162e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.645087] RAX: ffffffffffffffda RBX: 00007ffe8ee16928 RCX: 00007ff71dbc90d7 [ 50.645944] RDX: 00007ff71dc3341f RSI: 00007ffe8ee16280 RDI: 0000000040000000 [ 50.646837] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8ee16090 [ 50.647717] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff71dcdbbf0 [ 50.648609] R13: 00007ffe8ee163c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.649521] [ 50.649823] irq event stamp: 8159 [ 50.650278] hardirqs last enabled at (8171): [] __up_console_sem+0x78/0x80 [ 50.651354] hardirqs last disabled at (8182): [] __up_console_sem+0x5d/0x80 [ 50.652426] softirqs last enabled at (8044): [] irq_exit_rcu+0x93/0xc0 [ 50.653481] softirqs last disabled at (8039): [] irq_exit_rcu+0x93/0xc0 [ 50.654514] ---[ end trace 0000000000000000 ]--- [ 50.659434] ------------[ cut here ]------------ [ 50.660021] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.661688] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.662756] Modules linked in: [ 50.663193] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.664348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.665409] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.666109] 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 [ 50.668369] RSP: 0018:ffff88800e147c00 EFLAGS: 00010282 [ 50.669108] RAX: 0000000000000000 RBX: ffff88800dfaa440 RCX: 0000000000000000 [ 50.670005] RDX: ffff888015a951c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.670931] RBP: ffff88800dfaa454 R08: 0000000000000001 R09: 0000000000000000 [ 50.671861] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.672800] R13: ffffffff84e23fe0 R14: ffff88800dfaa448 R15: ffffffff84da7d60 [ 50.673733] FS: 0000555556908400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.674783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.675547] CR2: 00007f7aa06afb70 CR3: 0000000016a36000 CR4: 0000000000350ee0 [ 50.676482] Call Trace: [ 50.676826] [ 50.677156] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.677765] ipv6_frags_init_net+0x206/0x3c0 [ 50.678355] ops_init+0xbb/0x6b0 [ 50.678796] setup_net+0x3d9/0x990 [ 50.679277] ? down_read_killable+0x1d7/0x4e0 [ 50.679843] ? __pfx_setup_net+0x10/0x10 [ 50.680378] ? copy_net_ns+0x17c/0x770 [ 50.680887] copy_net_ns+0x321/0x770 [ 50.681401] create_new_namespaces+0x3f6/0xb30 [ 50.681985] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.682619] ksys_unshare+0x44d/0x8e0 [ 50.683133] ? __pfx_ksys_unshare+0x10/0x10 [ 50.683673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.684406] __x64_sys_unshare+0x31/0x40 [ 50.684921] do_syscall_64+0x3f/0x90 [ 50.685422] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.686088] RIP: 0033:0x7ff71dbc90d7 [ 50.686544] 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 [ 50.688752] RSP: 002b:00007ffe8ee162e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.689695] RAX: ffffffffffffffda RBX: 00007ffe8ee16928 RCX: 00007ff71dbc90d7 [ 50.690570] RDX: 00007ff71dc3341f RSI: 00007ffe8ee16280 RDI: 0000000040000000 [ 50.691467] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8ee16090 [ 50.692365] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff71dcdbbf0 [ 50.693272] R13: 00007ffe8ee163c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.694232] [ 50.694538] irq event stamp: 9665 [ 50.694968] hardirqs last enabled at (9675): [] __up_console_sem+0x78/0x80 [ 50.696067] hardirqs last disabled at (9688): [] sysvec_apic_timer_interrupt+0xf/0x90 [ 50.697267] softirqs last enabled at (9650): [] irq_exit_rcu+0x93/0xc0 [ 50.698311] softirqs last disabled at (9637): [] irq_exit_rcu+0x93/0xc0 [ 50.699342] ---[ end trace 0000000000000000 ]--- [ 50.700674] ------------[ cut here ]------------ [ 50.701386] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.703265] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.704306] Modules linked in: [ 50.704711] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.705888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.706925] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.707608] 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 [ 50.709850] RSP: 0018:ffff88800e147bf0 EFLAGS: 00010286 [ 50.710538] RAX: 0000000000000000 RBX: ffff888010317a40 RCX: 0000000000000000 [ 50.711442] RDX: ffff888015a951c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.712324] RBP: ffff888010317a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.713221] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.714115] R13: ffffffff84e23fe0 R14: ffff888010317a48 R15: ffffffff84db0aa0 [ 50.714981] FS: 0000555556908400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.715969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.716729] CR2: 00007f7aa06afb70 CR3: 0000000016a36000 CR4: 0000000000350ee0 [ 50.717627] Call Trace: [ 50.717954] [ 50.718284] nf_ct_net_init+0x224/0x3d0 [ 50.718807] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.719419] ops_init+0xbb/0x6b0 [ 50.719871] setup_net+0x3d9/0x990 [ 50.720353] ? down_read_killable+0x1d7/0x4e0 [ 50.720941] ? __pfx_setup_net+0x10/0x10 [ 50.721491] ? copy_net_ns+0x17c/0x770 [ 50.721998] copy_net_ns+0x321/0x770 [ 50.722510] create_new_namespaces+0x3f6/0xb30 [ 50.723119] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.723741] ksys_unshare+0x44d/0x8e0 [ 50.724263] ? __pfx_ksys_unshare+0x10/0x10 [ 50.724828] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.725588] __x64_sys_unshare+0x31/0x40 [ 50.726138] do_syscall_64+0x3f/0x90 [ 50.726614] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.727280] RIP: 0033:0x7ff71dbc90d7 [ 50.727740] 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 [ 50.729980] RSP: 002b:00007ffe8ee162e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.730930] RAX: ffffffffffffffda RBX: 00007ffe8ee16928 RCX: 00007ff71dbc90d7 [ 50.731818] RDX: 00007ff71dc3341f RSI: 00007ffe8ee16280 RDI: 0000000040000000 [ 50.732700] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8ee16090 [ 50.733595] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff71dcdbbf0 [ 50.734496] R13: 00007ffe8ee163c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.735401] [ 50.735706] irq event stamp: 10475 [ 50.736168] hardirqs last enabled at (10487): [] __up_console_sem+0x78/0x80 [ 50.737252] hardirqs last disabled at (10498): [] __up_console_sem+0x5d/0x80 [ 50.738334] softirqs last enabled at (10066): [] irq_exit_rcu+0x93/0xc0 [ 50.739373] softirqs last disabled at (10057): [] irq_exit_rcu+0x93/0xc0 [ 50.740416] ---[ end trace 0000000000000000 ]--- executing program [ 52.294768] Bluetooth: hci0: command 0x0409 tx timeout [ 54.342129] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.390178] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.438134] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 10:24:34 Registers: info registers vcpu 0 RAX=000000000002fc1b 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=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 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=00007f7aa0689de0 CR3=0000000009604000 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=2035333a34323a30312038312079614d XMM01=5d3835323431362e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800e1475f0 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 0000555556908400 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=00007f7aa06afb70 CR3=0000000016a36000 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