[ 32.911834] sshd (210) used greatest stack depth: 24152 bytes left
Debian GNU/Linux 11 syzkaller ttyS0
Warning: Permanently added '[localhost]:61392' (ECDSA) to the list of known hosts.
2023/05/17 06:10:26 fuzzer started
2023/05/17 06:10:27 dialing manager at localhost:35573
2023/05/17 06:10:27 checking machine...
2023/05/17 06:10:27 checking revisions...
syzkaller login: [ 38.120613] kmemleak: Automatic memory scanning thread ended
2023/05/17 06:10:27 testing simple program...
[ 38.183685] cgroup: Unknown subsys name 'net'
[ 38.251701] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 52.125372] audit: type=1400 audit(1684303841.339:6): 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
executing program
[ 53.223427] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 53.225122] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 53.226961] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 53.231349] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 53.233566] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 53.235539] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 53.641799] ------------[ cut here ]------------
[ 53.643018] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 53.644744] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 53.645814] Modules linked in:
[ 53.646241] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 53.647632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 53.649965] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 53.651715] 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
[ 53.654428] RSP: 0018:ffff88801f557c00 EFLAGS: 00010282
[ 53.655083] RAX: 0000000000000000 RBX: ffff888015bde840 RCX: 0000000000000000
[ 53.655984] RDX: ffff88801f548000 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 53.656874] RBP: ffff888015bde854 R08: 0000000000000001 R09: 0000000000000000
[ 53.657766] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 53.658697] R13: ffffffff84e223a0 R14: ffff888015bde848 R15: ffffffff84d73340
[ 53.659612] FS: 00005555566cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 53.660618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.661402] CR2: 00007f3396ea16f4 CR3: 0000000015e10000 CR4: 0000000000350ef0
[ 53.662312] Call Trace:
[ 53.662632]
[ 53.662928] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 53.663568] ipv4_frags_init_net+0x269/0x440
[ 53.664121] ops_init+0xbb/0x6b0
[ 53.664596] setup_net+0x3d9/0x990
[ 53.665065] ? down_read_killable+0x1d7/0x4e0
[ 53.665651] ? __pfx_setup_net+0x10/0x10
[ 53.666166] ? copy_net_ns+0x17c/0x770
[ 53.666702] copy_net_ns+0x321/0x770
[ 53.667224] create_new_namespaces+0x3f6/0xb30
[ 53.667804] unshare_nsproxy_namespaces+0xc1/0x200
[ 53.668456] ksys_unshare+0x44d/0x8e0
[ 53.668962] ? __pfx_ksys_unshare+0x10/0x10
[ 53.669543] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 53.670292] __x64_sys_unshare+0x31/0x40
[ 53.670797] do_syscall_64+0x3f/0x90
[ 53.671301] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 53.671933] RIP: 0033:0x7f7cb71220d7
[ 53.672437] 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
[ 53.674662] RSP: 002b:00007ffe3aa21fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 53.675592] RAX: ffffffffffffffda RBX: 00007ffe3aa22618 RCX: 00007f7cb71220d7
[ 53.676464] RDX: 00007f7cb718c41f RSI: 00007ffe3aa21f70 RDI: 0000000040000000
[ 53.677366] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3aa21d80
[ 53.678235] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7cb7234bf0
[ 53.679074] R13: 00007ffe3aa220b0 R14: 0000000000000000 R15: 00000000000000f8
[ 53.679978]
[ 53.680311] irq event stamp: 8213
[ 53.680730] hardirqs last enabled at (8223): [] __up_console_sem+0x78/0x80
[ 53.681785] hardirqs last disabled at (8234): [] __up_console_sem+0x5d/0x80
[ 53.682843] softirqs last enabled at (7694): [] irq_exit_rcu+0x93/0xc0
[ 53.683859] softirqs last disabled at (7409): [] irq_exit_rcu+0x93/0xc0
[ 53.684925] ---[ end trace 0000000000000000 ]---
[ 53.690128] ------------[ cut here ]------------
[ 53.690770] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 53.692483] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 53.693587] Modules linked in:
[ 53.694000] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 53.695167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 53.696167] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 53.696847] 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
[ 53.699009] RSP: 0018:ffff88801f557c00 EFLAGS: 00010282
[ 53.699663] RAX: 0000000000000000 RBX: ffff88800d8a8c40 RCX: 0000000000000000
[ 53.700570] RDX: ffff88801f548000 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 53.701465] RBP: ffff88800d8a8c54 R08: 0000000000000001 R09: 0000000000000000
[ 53.702350] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 53.703263] R13: ffffffff84e223a0 R14: ffff88800d8a8c48 R15: ffffffff84da62e0
[ 53.704121] FS: 00005555566cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 53.705152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.705908] CR2: 00007f3396ea16f4 CR3: 0000000015e10000 CR4: 0000000000350ef0
[ 53.706765] Call Trace:
[ 53.707075]
[ 53.707394] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 53.707975] ipv6_frags_init_net+0x206/0x3c0
[ 53.708562] ops_init+0xbb/0x6b0
[ 53.709004] setup_net+0x3d9/0x990
[ 53.709468] ? down_read_killable+0x1d7/0x4e0
[ 53.710005] ? __pfx_setup_net+0x10/0x10
[ 53.710515] ? copy_net_ns+0x17c/0x770
[ 53.711028] copy_net_ns+0x321/0x770
[ 53.711551] create_new_namespaces+0x3f6/0xb30
[ 53.712150] unshare_nsproxy_namespaces+0xc1/0x200
[ 53.712823] ksys_unshare+0x44d/0x8e0
[ 53.713328] ? __pfx_ksys_unshare+0x10/0x10
[ 53.713844] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 53.714550] __x64_sys_unshare+0x31/0x40
[ 53.715078] do_syscall_64+0x3f/0x90
[ 53.715594] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 53.716272] RIP: 0033:0x7f7cb71220d7
[ 53.716743] 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
[ 53.718951] RSP: 002b:00007ffe3aa21fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 53.719917] RAX: ffffffffffffffda RBX: 00007ffe3aa22618 RCX: 00007f7cb71220d7
[ 53.720832] RDX: 00007f7cb718c41f RSI: 00007ffe3aa21f70 RDI: 0000000040000000
[ 53.721731] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3aa21d80
[ 53.722650] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7cb7234bf0
[ 53.723502] R13: 00007ffe3aa220b0 R14: 0000000000000000 R15: 00000000000000f8
[ 53.724374]
[ 53.724667] irq event stamp: 9789
[ 53.725092] hardirqs last enabled at (9799): [] __up_console_sem+0x78/0x80
[ 53.726097] hardirqs last disabled at (9810): [] __up_console_sem+0x5d/0x80
[ 53.727137] softirqs last enabled at (9284): [] irq_exit_rcu+0x93/0xc0
[ 53.728164] softirqs last disabled at (9279): [] irq_exit_rcu+0x93/0xc0
[ 53.729220] ---[ end trace 0000000000000000 ]---
[ 53.730554] ------------[ cut here ]------------
[ 53.731127] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 53.733710] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 53.734811] Modules linked in:
[ 53.735312] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 53.736492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 53.737576] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 53.738183] 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
[ 53.740430] RSP: 0018:ffff88801f557bf0 EFLAGS: 00010286
[ 53.741051] RAX: 0000000000000000 RBX: ffff88800d8a9240 RCX: 0000000000000000
[ 53.742120] RDX: ffff88801f548000 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 53.743296] RBP: ffff88800d8a9254 R08: 0000000000000001 R09: 0000000000000000
[ 53.744173] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 53.745424] R13: ffffffff84e223a0 R14: ffff88800d8a9248 R15: ffffffff84daf020
[ 53.746436] FS: 00005555566cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 53.747536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.748318] CR2: 00007f3396ea16f4 CR3: 0000000015e10000 CR4: 0000000000350ef0
[ 53.749232] Call Trace:
[ 53.749559]
[ 53.749865] nf_ct_net_init+0x224/0x3d0
[ 53.750419] ? __pfx_nf_ct_net_init+0x10/0x10
[ 53.751003] ops_init+0xbb/0x6b0
[ 53.751496] setup_net+0x3d9/0x990
[ 53.751964] ? down_read_killable+0x1d7/0x4e0
[ 53.752568] ? __pfx_setup_net+0x10/0x10
[ 53.753089] ? copy_net_ns+0x17c/0x770
[ 53.753641] copy_net_ns+0x321/0x770
[ 53.754127] create_new_namespaces+0x3f6/0xb30
[ 53.754761] unshare_nsproxy_namespaces+0xc1/0x200
[ 53.755428] ksys_unshare+0x44d/0x8e0
[ 53.755929] ? __pfx_ksys_unshare+0x10/0x10
[ 53.756537] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 53.757318] __x64_sys_unshare+0x31/0x40
[ 53.757841] do_syscall_64+0x3f/0x90
[ 53.758352] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 53.759004] RIP: 0033:0x7f7cb71220d7
[ 53.759517] 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
[ 53.761716] RSP: 002b:00007ffe3aa21fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 53.762668] RAX: ffffffffffffffda RBX: 00007ffe3aa22618 RCX: 00007f7cb71220d7
[ 53.763563] RDX: 00007f7cb718c41f RSI: 00007ffe3aa21f70 RDI: 0000000040000000
[ 53.764470] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3aa21d80
[ 53.765371] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7cb7234bf0
[ 53.766266] R13: 00007ffe3aa220b0 R14: 0000000000000000 R15: 00000000000000f8
[ 53.767147]
[ 53.767492] irq event stamp: 11415
[ 53.767927] hardirqs last enabled at (11425): [] __up_console_sem+0x78/0x80
[ 53.769024] hardirqs last disabled at (11436): [] __up_console_sem+0x5d/0x80
[ 53.770108] softirqs last enabled at (11220): [] irq_exit_rcu+0x93/0xc0
[ 53.771167] softirqs last disabled at (11457): [] irq_exit_rcu+0x93/0xc0
[ 53.772225] ---[ end trace 0000000000000000 ]---
[ 55.306902] Bluetooth: hci0: command 0x0409 tx timeout
executing program
[ 57.354286] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 59.402265] Bluetooth: hci0: command 0x040f tx timeout
[ 61.450256] Bluetooth: hci0: command 0x0419 tx timeout
executing program
VM DIAGNOSIS:
06:10:40 Registers:
info registers vcpu 0
RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9
RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f5575e8
R8 =0000000000000001 R9 =ffffed1003eaaeae R10=0000000000000003 R11=0000000000000001
R12=0000000000000039 R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78
RIP=ffffffff82507645 RFL=00000006 [-----P-] 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 00005555566cd400 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=00007f3396ea16f4 CR3=0000000015e10000 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=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
info registers vcpu 1
RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000000 RDX=ffff88800f561b40
RSI=ffffffff81936ad1 RDI=0000000000000001 RBP=ffff8880163ca068 RSP=ffff88800eb5fae0
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001
R12=ffff8880163ca140 R13=0000000000000001 R14=0000000000000001 R15=0000000000000006
RIP=ffffffff81936adb RFL=00000246 [---Z-P-] 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 00007fad91c70700 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=00007fad7c036008 CR3=0000000015f22000 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=2032343a30313a36302037312079614d XMM01=5d3531373135362e33352020205b203a
XMM02=65203163203834203830203334206238 XMM03=20303020666120353820663020303020
XMM04=38652039382038342030322034312036 XMM05=20383420386520393820383420623020
XMM06=20386520343820326520343220303220 XMM07=34203965203938206334203331206238
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000