[ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:59718' (ECDSA) to the list of known hosts. 2023/05/17 13:27:07 fuzzer started 2023/05/17 13:27:07 dialing manager at localhost:44319 2023/05/17 13:27:07 checking machine... 2023/05/17 13:27:07 checking revisions... syzkaller login: [ 36.222040] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:27:07 testing simple program... [ 36.289053] cgroup: Unknown subsys name 'net' [ 36.378553] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.987181] audit: type=1400 audit(1684330040.413:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.123708] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.126205] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.127469] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.130326] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.131679] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.133468] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.530530] ------------[ cut here ]------------ [ 50.531410] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.533365] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.534627] Modules linked in: [ 50.535156] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.539985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.540995] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.541632] 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 [ 50.543795] RSP: 0018:ffff88801cb5fc00 EFLAGS: 00010282 [ 50.544472] RAX: 0000000000000000 RBX: ffff88800fb1d440 RCX: 0000000000000000 [ 50.545350] RDX: ffff888016f20000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.546224] RBP: ffff88800fb1d454 R08: 0000000000000001 R09: 0000000000000000 [ 50.547131] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.548002] R13: ffffffff84e23fe0 R14: ffff88800fb1d448 R15: ffffffff84d74dc0 [ 50.548843] FS: 0000555555709400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.549821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.550563] CR2: 00007f0544c7a6f4 CR3: 0000000018dda000 CR4: 0000000000350ee0 [ 50.551443] Call Trace: [ 50.551764] [ 50.552088] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.552691] ipv4_frags_init_net+0x269/0x440 [ 50.553269] ops_init+0xbb/0x6b0 [ 50.553713] setup_net+0x3d9/0x990 [ 50.554188] ? down_read_killable+0x1d7/0x4e0 [ 50.554784] ? __pfx_setup_net+0x10/0x10 [ 50.555322] ? copy_net_ns+0x17c/0x770 [ 50.555833] copy_net_ns+0x321/0x770 [ 50.556343] create_new_namespaces+0x3f6/0xb30 [ 50.556926] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.557577] ksys_unshare+0x44d/0x8e0 [ 50.558091] ? __pfx_ksys_unshare+0x10/0x10 [ 50.558647] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.559385] __x64_sys_unshare+0x31/0x40 [ 50.559908] do_syscall_64+0x3f/0x90 [ 50.560410] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.561077] RIP: 0033:0x7f5f880700d7 [ 50.561537] 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 [ 50.563716] RSP: 002b:00007ffc8ff5f738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.564654] RAX: ffffffffffffffda RBX: 00007ffc8ff5fd78 RCX: 00007f5f880700d7 [ 50.565538] RDX: 00007f5f880da41f RSI: 00007ffc8ff5f6d0 RDI: 0000000040000000 [ 50.566433] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8ff5f4e0 [ 50.567315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f88182bf0 [ 50.568192] R13: 00007ffc8ff5f810 R14: 0000000000000000 R15: 00000000000000f8 [ 50.569099] [ 50.569391] irq event stamp: 7657 [ 50.569805] hardirqs last enabled at (7667): [] __up_console_sem+0x78/0x80 [ 50.570865] hardirqs last disabled at (7678): [] __up_console_sem+0x5d/0x80 [ 50.571914] softirqs last enabled at (7470): [] irq_exit_rcu+0x93/0xc0 [ 50.572960] softirqs last disabled at (7465): [] irq_exit_rcu+0x93/0xc0 [ 50.573994] ---[ end trace 0000000000000000 ]--- [ 50.579262] ------------[ cut here ]------------ [ 50.579851] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.581470] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.582521] Modules linked in: [ 50.582919] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.584077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.585082] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.585721] 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 [ 50.587904] RSP: 0018:ffff88801cb5fc00 EFLAGS: 00010282 [ 50.588562] RAX: 0000000000000000 RBX: ffff888015aab840 RCX: 0000000000000000 [ 50.589435] RDX: ffff888016f20000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.590304] RBP: ffff888015aab854 R08: 0000000000000001 R09: 0000000000000000 [ 50.591193] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.592084] R13: ffffffff84e23fe0 R14: ffff888015aab848 R15: ffffffff84da7d60 [ 50.592966] FS: 0000555555709400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.593924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.594700] CR2: 00007f0544c7a6f4 CR3: 0000000018dda000 CR4: 0000000000350ee0 [ 50.595584] Call Trace: [ 50.595908] [ 50.596229] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.596834] ipv6_frags_init_net+0x206/0x3c0 [ 50.597423] ops_init+0xbb/0x6b0 [ 50.597862] setup_net+0x3d9/0x990 [ 50.598350] ? down_read_killable+0x1d7/0x4e0 [ 50.598930] ? __pfx_setup_net+0x10/0x10 [ 50.599474] ? copy_net_ns+0x17c/0x770 [ 50.600006] copy_net_ns+0x321/0x770 [ 50.600481] create_new_namespaces+0x3f6/0xb30 [ 50.601085] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.601688] ksys_unshare+0x44d/0x8e0 [ 50.602199] ? __pfx_ksys_unshare+0x10/0x10 [ 50.602745] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.603468] __x64_sys_unshare+0x31/0x40 [ 50.604018] do_syscall_64+0x3f/0x90 [ 50.604484] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.605154] RIP: 0033:0x7f5f880700d7 [ 50.605608] 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 [ 50.607773] RSP: 002b:00007ffc8ff5f738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.608705] RAX: ffffffffffffffda RBX: 00007ffc8ff5fd78 RCX: 00007f5f880700d7 [ 50.609575] RDX: 00007f5f880da41f RSI: 00007ffc8ff5f6d0 RDI: 0000000040000000 [ 50.610448] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8ff5f4e0 [ 50.611343] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f88182bf0 [ 50.612237] R13: 00007ffc8ff5f810 R14: 0000000000000000 R15: 00000000000000f8 [ 50.613145] [ 50.613437] irq event stamp: 9219 [ 50.613850] hardirqs last enabled at (9229): [] __up_console_sem+0x78/0x80 [ 50.614899] hardirqs last disabled at (9240): [] __up_console_sem+0x5d/0x80 [ 50.615956] softirqs last enabled at (8792): [] irq_exit_rcu+0x93/0xc0 [ 50.617018] softirqs last disabled at (8783): [] irq_exit_rcu+0x93/0xc0 [ 50.618041] ---[ end trace 0000000000000000 ]--- [ 50.619415] ------------[ cut here ]------------ [ 50.620036] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.621913] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.623028] Modules linked in: [ 50.623441] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.624620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.625638] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.626321] 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 [ 50.628515] RSP: 0018:ffff88801cb5fbf0 EFLAGS: 00010286 [ 50.629206] RAX: 0000000000000000 RBX: ffff888015aab040 RCX: 0000000000000000 [ 50.630095] RDX: ffff888016f20000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.631009] RBP: ffff888015aab054 R08: 0000000000000001 R09: 0000000000000000 [ 50.631863] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.632760] R13: ffffffff84e23fe0 R14: ffff888015aab048 R15: ffffffff84db0aa0 [ 50.633694] FS: 0000555555709400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.634703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.635435] CR2: 00007f0544c7a6f4 CR3: 0000000018dda000 CR4: 0000000000350ee0 [ 50.636308] Call Trace: [ 50.636630] [ 50.636962] nf_ct_net_init+0x224/0x3d0 [ 50.637478] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.638085] ops_init+0xbb/0x6b0 [ 50.638547] setup_net+0x3d9/0x990 [ 50.639032] ? down_read_killable+0x1d7/0x4e0 [ 50.639605] ? __pfx_setup_net+0x10/0x10 [ 50.640146] ? copy_net_ns+0x17c/0x770 [ 50.640653] copy_net_ns+0x321/0x770 [ 50.641170] create_new_namespaces+0x3f6/0xb30 [ 50.641745] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.642394] ksys_unshare+0x44d/0x8e0 [ 50.642891] ? __pfx_ksys_unshare+0x10/0x10 [ 50.643461] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.644204] __x64_sys_unshare+0x31/0x40 [ 50.644716] do_syscall_64+0x3f/0x90 [ 50.645216] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.645852] RIP: 0033:0x7f5f880700d7 [ 50.646339] 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 [ 50.648522] RSP: 002b:00007ffc8ff5f738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.649481] RAX: ffffffffffffffda RBX: 00007ffc8ff5fd78 RCX: 00007f5f880700d7 [ 50.650360] RDX: 00007f5f880da41f RSI: 00007ffc8ff5f6d0 RDI: 0000000040000000 [ 50.651272] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8ff5f4e0 [ 50.652163] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f88182bf0 [ 50.653058] R13: 00007ffc8ff5f810 R14: 0000000000000000 R15: 00000000000000f8 [ 50.653964] [ 50.654262] irq event stamp: 9961 [ 50.654691] hardirqs last enabled at (9971): [] __up_console_sem+0x78/0x80 [ 50.655746] hardirqs last disabled at (9982): [] __up_console_sem+0x5d/0x80 [ 50.656820] softirqs last enabled at (9444): [] irq_exit_rcu+0x93/0xc0 [ 50.657854] softirqs last disabled at (9439): [] irq_exit_rcu+0x93/0xc0 [ 50.658892] ---[ end trace 0000000000000000 ]--- executing program [ 52.147536] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.196622] Bluetooth: hci0: command 0x041b tx timeout [ 56.243465] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.291009] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:27:20 Registers: info registers vcpu 0 RAX=000000000002ddcf 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=00007f1d9e2f1ad0 CR3=000000000ea12000 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=2031323a37323a33312037312079614d XMM01=5d3635313533352e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732031 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=ffff88801cb5f5f0 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 0000555555709400 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=00007f0544c7a6f4 CR3=0000000018dda000 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