Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 45.006022] sshd (217) used greatest stack depth: 24152 bytes left
Warning: Permanently added '[localhost]:63205' (ECDSA) to the list of known hosts.
2023/05/17 06:08:29 fuzzer started
2023/05/17 06:08:30 dialing manager at localhost:35573
2023/05/17 06:08:30 checking machine...
2023/05/17 06:08:30 checking revisions...
[ 47.010929] kmemleak: Automatic memory scanning thread ended
2023/05/17 06:08:30 testing simple program...
[ 47.074419] cgroup: Unknown subsys name 'net'
[ 47.146364] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 58.990244] audit: type=1400 audit(1684303722.252:6): 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
[ 60.124951] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 60.134527] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 60.135742] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 60.137917] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 60.139420] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 60.140519] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 60.518816] ------------[ cut here ]------------
[ 60.519595] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 60.521692] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 60.522949] Modules linked in:
[ 60.523467] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 60.527291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 60.529071] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 60.529927] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 60.532640] RSP: 0018:ffff88801f07fc00 EFLAGS: 00010282
[ 60.533538] RAX: 0000000000000000 RBX: ffff88800ca64840 RCX: 0000000000000000
[ 60.534641] RDX: ffff88801432d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 60.535731] RBP: ffff88800ca64854 R08: 0000000000000001 R09: 0000000000000000
[ 60.536843] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 60.537937] R13: ffffffff84e223a0 R14: ffff88800ca64848 R15: ffffffff84d73340
[ 60.539081] FS: 0000555555ea2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 60.540293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.541216] CR2: 00007ffce19f3000 CR3: 0000000010362000 CR4: 0000000000350ee0
[ 60.542331] Call Trace:
[ 60.542724]
[ 60.543085] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 60.543864] ipv4_frags_init_net+0x269/0x440
[ 60.544540] ops_init+0xbb/0x6b0
[ 60.544973] setup_net+0x3d9/0x990
[ 60.545436] ? down_read_killable+0x1d7/0x4e0
[ 60.545981] ? __pfx_setup_net+0x10/0x10
[ 60.546519] ? copy_net_ns+0x17c/0x770
[ 60.546996] copy_net_ns+0x321/0x770
[ 60.547478] create_new_namespaces+0x3f6/0xb30
[ 60.548032] unshare_nsproxy_namespaces+0xc1/0x200
[ 60.548641] ksys_unshare+0x44d/0x8e0
[ 60.549110] ? __pfx_ksys_unshare+0x10/0x10
[ 60.549654] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 60.550364] __x64_sys_unshare+0x31/0x40
[ 60.550853] do_syscall_64+0x3f/0x90
[ 60.551331] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 60.551933] RIP: 0033:0x7f7d3261c0d7
[ 60.552403] 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
[ 60.554478] RSP: 002b:00007ffcf490a908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 60.555411] RAX: ffffffffffffffda RBX: 00007ffcf490af48 RCX: 00007f7d3261c0d7
[ 60.556274] RDX: 00007f7d3268641f RSI: 00007ffcf490a8a0 RDI: 0000000040000000
[ 60.557119] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcf490a6b0
[ 60.557976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d3272ebf0
[ 60.558889] R13: 00007ffcf490a9e0 R14: 0000000000000000 R15: 00000000000000f8
[ 60.559788]
[ 60.560092] irq event stamp: 7927
[ 60.560539] hardirqs last enabled at (7939): [] __up_console_sem+0x78/0x80
[ 60.561591] hardirqs last disabled at (7950): [] __up_console_sem+0x5d/0x80
[ 60.562644] softirqs last enabled at (7836): [] irq_exit_rcu+0x93/0xc0
[ 60.563653] softirqs last disabled at (7831): [] irq_exit_rcu+0x93/0xc0
[ 60.564670] ---[ end trace 0000000000000000 ]---
[ 60.570408] ------------[ cut here ]------------
[ 60.570995] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 60.572582] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 60.573585] Modules linked in:
[ 60.573977] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 60.575072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 60.576019] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 60.576656] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 60.578721] RSP: 0018:ffff88801f07fc00 EFLAGS: 00010282
[ 60.579377] RAX: 0000000000000000 RBX: ffff88800cc50c40 RCX: 0000000000000000
[ 60.580263] RDX: ffff88801432d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 60.581116] RBP: ffff88800cc50c54 R08: 0000000000000001 R09: 0000000000000000
[ 60.581998] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 60.582886] R13: ffffffff84e223a0 R14: ffff88800cc50c48 R15: ffffffff84da62e0
[ 60.583781] FS: 0000555555ea2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 60.584776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.585519] CR2: 00007ffce19f3000 CR3: 0000000010362000 CR4: 0000000000350ee0
[ 60.586420] Call Trace:
[ 60.586738]
[ 60.587026] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 60.587667] ipv6_frags_init_net+0x206/0x3c0
[ 60.588256] ops_init+0xbb/0x6b0
[ 60.588702] setup_net+0x3d9/0x990
[ 60.589185] ? down_read_killable+0x1d7/0x4e0
[ 60.589761] ? __pfx_setup_net+0x10/0x10
[ 60.590318] ? copy_net_ns+0x17c/0x770
[ 60.590821] copy_net_ns+0x321/0x770
[ 60.591321] create_new_namespaces+0x3f6/0xb30
[ 60.591909] unshare_nsproxy_namespaces+0xc1/0x200
[ 60.592550] ksys_unshare+0x44d/0x8e0
[ 60.593027] ? __pfx_ksys_unshare+0x10/0x10
[ 60.593605] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 60.594352] __x64_sys_unshare+0x31/0x40
[ 60.594862] do_syscall_64+0x3f/0x90
[ 60.595362] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 60.595994] RIP: 0033:0x7f7d3261c0d7
[ 60.596501] 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
[ 60.598676] RSP: 002b:00007ffcf490a908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 60.599614] RAX: ffffffffffffffda RBX: 00007ffcf490af48 RCX: 00007f7d3261c0d7
[ 60.600487] RDX: 00007f7d3268641f RSI: 00007ffcf490a8a0 RDI: 0000000040000000
[ 60.601373] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcf490a6b0
[ 60.602254] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d3272ebf0
[ 60.603115] R13: 00007ffcf490a9e0 R14: 0000000000000000 R15: 00000000000000f8
[ 60.604002]
[ 60.604335] irq event stamp: 9937
[ 60.604752] hardirqs last enabled at (9947): [] __up_console_sem+0x78/0x80
[ 60.605804] hardirqs last disabled at (9958): [] __up_console_sem+0x5d/0x80
[ 60.606864] softirqs last enabled at (9374): [] irq_exit_rcu+0x93/0xc0
[ 60.607880] softirqs last disabled at (9369): [] irq_exit_rcu+0x93/0xc0
[ 60.608892] ---[ end trace 0000000000000000 ]---
[ 60.610264] ------------[ cut here ]------------
[ 60.610844] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 60.612754] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 60.613787] Modules linked in:
[ 60.614234] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 60.615378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 60.616367] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 60.616998] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 60.619177] RSP: 0018:ffff88801f07fbf0 EFLAGS: 00010286
[ 60.619811] RAX: 0000000000000000 RBX: ffff88800cc51240 RCX: 0000000000000000
[ 60.620700] RDX: ffff88801432d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 60.621571] RBP: ffff88800cc51254 R08: 0000000000000001 R09: 0000000000000000
[ 60.622477] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 60.623357] R13: ffffffff84e223a0 R14: ffff88800cc51248 R15: ffffffff84daf020
[ 60.624236] FS: 0000555555ea2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 60.625238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.625930] CR2: 00007ffce19f3000 CR3: 0000000010362000 CR4: 0000000000350ee0
[ 60.626819] Call Trace:
[ 60.627178]
[ 60.627479] nf_ct_net_init+0x224/0x3d0
[ 60.627993] ? __pfx_nf_ct_net_init+0x10/0x10
[ 60.628595] ops_init+0xbb/0x6b0
[ 60.629034] setup_net+0x3d9/0x990
[ 60.629516] ? down_read_killable+0x1d7/0x4e0
[ 60.630083] ? __pfx_setup_net+0x10/0x10
[ 60.630646] ? copy_net_ns+0x17c/0x770
[ 60.631147] copy_net_ns+0x321/0x770
[ 60.631653] create_new_namespaces+0x3f6/0xb30
[ 60.632252] unshare_nsproxy_namespaces+0xc1/0x200
[ 60.632862] ksys_unshare+0x44d/0x8e0
[ 60.633371] ? __pfx_ksys_unshare+0x10/0x10
[ 60.633913] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 60.634674] __x64_sys_unshare+0x31/0x40
[ 60.635208] do_syscall_64+0x3f/0x90
[ 60.635676] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 60.636342] RIP: 0033:0x7f7d3261c0d7
[ 60.636805] 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
[ 60.638951] RSP: 002b:00007ffcf490a908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 60.639896] RAX: ffffffffffffffda RBX: 00007ffcf490af48 RCX: 00007f7d3261c0d7
[ 60.640767] RDX: 00007f7d3268641f RSI: 00007ffcf490a8a0 RDI: 0000000040000000
[ 60.641647] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcf490a6b0
[ 60.642543] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d3272ebf0
[ 60.643422] R13: 00007ffcf490a9e0 R14: 0000000000000000 R15: 00000000000000f8
[ 60.644319]
[ 60.644612] irq event stamp: 10693
[ 60.645041] hardirqs last enabled at (10703): [] __up_console_sem+0x78/0x80
[ 60.646106] hardirqs last disabled at (10714): [] __up_console_sem+0x5d/0x80
[ 60.647200] softirqs last enabled at (10266): [] irq_exit_rcu+0x93/0xc0
[ 60.648235] softirqs last disabled at (10261): [] irq_exit_rcu+0x93/0xc0
[ 60.649262] ---[ end trace 0000000000000000 ]---
executing program
[ 62.205892] Bluetooth: hci0: command 0x0409 tx timeout
[ 64.255375] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 66.301663] Bluetooth: hci0: command 0x040f tx timeout
executing program
[ 68.349315] Bluetooth: hci0: command 0x0419 tx timeout
VM DIAGNOSIS:
06:08:33 Registers:
info registers vcpu 0
RAX=0000000000021e1b RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10
R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001
R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff844c599f 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=00007f4fcb446910 CR3=000000000f1d2000 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=2033343a38303a36302037312079614d XMM01=5d3736343332352e30362020205b203a
XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020
XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563
XMM06=32203a4449502031203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732033
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f07f618
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001
R12=0000000000000072 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670
RIP=ffffffff825076dd 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 0000555555ea2400 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=00007ffce19f3000 CR3=0000000010362000 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