Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 35.683124] sshd (224) used greatest stack depth: 24152 bytes left
Warning: Permanently added '[localhost]:20188' (ECDSA) to the list of known hosts.
2023/05/18 00:45:17 fuzzer started
2023/05/18 00:45:17 dialing manager at localhost:44319
2023/05/18 00:45:17 checking machine...
2023/05/18 00:45:17 checking revisions...
[ 36.912198] kmemleak: Automatic memory scanning thread ended
2023/05/18 00:45:17 testing simple program...
[ 36.983426] cgroup: Unknown subsys name 'net'
[ 37.091823] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 49.381525] audit: type=1400 audit(1684370730.287:6): 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
[ 50.460215] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 50.461607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 50.462453] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 50.464376] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 50.465464] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 50.466346] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 50.857533] ------------[ cut here ]------------
[ 50.858275] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 50.860369] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.861499] Modules linked in:
[ 50.862165] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 50.867148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.868366] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.869123] 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
[ 50.871397] RSP: 0018:ffff888018df7c00 EFLAGS: 00010282
[ 50.872115] RAX: 0000000000000000 RBX: ffff88801929a440 RCX: 0000000000000000
[ 50.873057] RDX: ffff888013e0b680 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 50.873997] RBP: ffff88801929a454 R08: 0000000000000001 R09: 0000000000000000
[ 50.874884] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 50.875825] R13: ffffffff84e23fe0 R14: ffff88801929a448 R15: ffffffff84d74dc0
[ 50.876798] FS: 0000555557181400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.877836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.878620] CR2: 00007f06636fb6f4 CR3: 000000000c4a0000 CR4: 0000000000350ee0
[ 50.879560] Call Trace:
[ 50.879931]
[ 50.880244] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 50.880943] ipv4_frags_init_net+0x269/0x440
[ 50.881530] ops_init+0xbb/0x6b0
[ 50.882038] setup_net+0x3d9/0x990
[ 50.882521] ? down_read_killable+0x1d7/0x4e0
[ 50.883158] ? __pfx_setup_net+0x10/0x10
[ 50.883692] ? copy_net_ns+0x17c/0x770
[ 50.884258] copy_net_ns+0x321/0x770
[ 50.884792] create_new_namespaces+0x3f6/0xb30
[ 50.885451] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.886127] ksys_unshare+0x44d/0x8e0
[ 50.886642] ? __pfx_ksys_unshare+0x10/0x10
[ 50.887248] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.888031] __x64_sys_unshare+0x31/0x40
[ 50.888573] do_syscall_64+0x3f/0x90
[ 50.889117] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.889790] RIP: 0033:0x7fd3f85580d7
[ 50.890309] 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
[ 50.892577] RSP: 002b:00007ffef339b2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.893589] RAX: ffffffffffffffda RBX: 00007ffef339b8f8 RCX: 00007fd3f85580d7
[ 50.894515] RDX: 00007fd3f85c241f RSI: 00007ffef339b250 RDI: 0000000040000000
[ 50.895452] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef339b060
[ 50.896374] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd3f866abf0
[ 50.897319] R13: 00007ffef339b390 R14: 0000000000000000 R15: 00000000000000f8
[ 50.898270]
[ 50.898583] irq event stamp: 9057
[ 50.899063] hardirqs last enabled at (9069): [] __up_console_sem+0x78/0x80
[ 50.900166] hardirqs last disabled at (9080): [] __up_console_sem+0x5d/0x80
[ 50.901285] softirqs last enabled at (8774): [] irq_exit_rcu+0x93/0xc0
[ 50.902360] softirqs last disabled at (8769): [] irq_exit_rcu+0x93/0xc0
[ 50.903436] ---[ end trace 0000000000000000 ]---
[ 50.909185] ------------[ cut here ]------------
[ 50.909810] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 50.911787] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.912923] Modules linked in:
[ 50.913351] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 50.914565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.915628] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.916344] 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
[ 50.918638] RSP: 0018:ffff888018df7c00 EFLAGS: 00010282
[ 50.919357] RAX: 0000000000000000 RBX: ffff888016453640 RCX: 0000000000000000
[ 50.920282] RDX: ffff888013e0b680 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 50.921229] RBP: ffff888016453654 R08: 0000000000000001 R09: 0000000000000000
[ 50.922159] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.923091] R13: ffffffff84e23fe0 R14: ffff888016453648 R15: ffffffff84da7d60
[ 50.924017] FS: 0000555557181400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.925084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.925828] CR2: 00007f06636fb6f4 CR3: 000000000c4a0000 CR4: 0000000000350ee0
[ 50.926773] Call Trace:
[ 50.927146]
[ 50.927465] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 50.928144] ipv6_frags_init_net+0x206/0x3c0
[ 50.928747] ops_init+0xbb/0x6b0
[ 50.929257] setup_net+0x3d9/0x990
[ 50.929737] ? down_read_killable+0x1d7/0x4e0
[ 50.930370] ? __pfx_setup_net+0x10/0x10
[ 50.930937] ? copy_net_ns+0x17c/0x770
[ 50.931468] copy_net_ns+0x321/0x770
[ 50.932011] create_new_namespaces+0x3f6/0xb30
[ 50.932628] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.933317] ksys_unshare+0x44d/0x8e0
[ 50.933832] ? __pfx_ksys_unshare+0x10/0x10
[ 50.934438] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.935216] __x64_sys_unshare+0x31/0x40
[ 50.935758] do_syscall_64+0x3f/0x90
[ 50.936303] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.937034] RIP: 0033:0x7fd3f85580d7
[ 50.937520] 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
[ 50.939787] RSP: 002b:00007ffef339b2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.940786] RAX: ffffffffffffffda RBX: 00007ffef339b8f8 RCX: 00007fd3f85580d7
[ 50.941715] RDX: 00007fd3f85c241f RSI: 00007ffef339b250 RDI: 0000000040000000
[ 50.942644] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef339b060
[ 50.943584] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd3f866abf0
[ 50.944529] R13: 00007ffef339b390 R14: 0000000000000000 R15: 00000000000000f8
[ 50.945506]
[ 50.945823] irq event stamp: 10795
[ 50.946307] hardirqs last enabled at (10807): [] __up_console_sem+0x78/0x80
[ 50.947429] hardirqs last disabled at (10818): [] __up_console_sem+0x5d/0x80
[ 50.948549] softirqs last enabled at (10768): [] irq_exit_rcu+0x93/0xc0
[ 50.949643] softirqs last disabled at (10763): [] irq_exit_rcu+0x93/0xc0
[ 50.950732] ---[ end trace 0000000000000000 ]---
[ 50.952193] ------------[ cut here ]------------
[ 50.952820] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 50.954872] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.956007] Modules linked in:
[ 50.956433] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 50.957649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.958705] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.959431] 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
[ 50.961699] RSP: 0018:ffff888018df7bf0 EFLAGS: 00010286
[ 50.962417] RAX: 0000000000000000 RBX: ffff888016452840 RCX: 0000000000000000
[ 50.963346] RDX: ffff888013e0b680 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 50.964279] RBP: ffff888016452854 R08: 0000000000000001 R09: 0000000000000000
[ 50.965231] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.966158] R13: ffffffff84e23fe0 R14: ffff888016452848 R15: ffffffff84db0aa0
[ 50.967095] FS: 0000555557181400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.968134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.968882] CR2: 00007f06636fb6f4 CR3: 000000000c4a0000 CR4: 0000000000350ee0
[ 50.969816] Call Trace:
[ 50.970210]
[ 50.970529] nf_ct_net_init+0x224/0x3d0
[ 50.971109] ? __pfx_nf_ct_net_init+0x10/0x10
[ 50.971716] ops_init+0xbb/0x6b0
[ 50.972219] setup_net+0x3d9/0x990
[ 50.972705] ? down_read_killable+0x1d7/0x4e0
[ 50.973340] ? __pfx_setup_net+0x10/0x10
[ 50.973873] ? copy_net_ns+0x17c/0x770
[ 50.974437] copy_net_ns+0x321/0x770
[ 50.974979] create_new_namespaces+0x3f6/0xb30
[ 50.975598] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.976276] ksys_unshare+0x44d/0x8e0
[ 50.976809] ? __pfx_ksys_unshare+0x10/0x10
[ 50.977418] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.978196] __x64_sys_unshare+0x31/0x40
[ 50.978739] do_syscall_64+0x3f/0x90
[ 50.979279] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.980006] RIP: 0033:0x7fd3f85580d7
[ 50.980499] 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
[ 50.982762] RSP: 002b:00007ffef339b2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.983760] RAX: ffffffffffffffda RBX: 00007ffef339b8f8 RCX: 00007fd3f85580d7
[ 50.984716] RDX: 00007fd3f85c241f RSI: 00007ffef339b250 RDI: 0000000040000000
[ 50.985642] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef339b060
[ 50.986581] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd3f866abf0
[ 50.987510] R13: 00007ffef339b390 R14: 0000000000000000 R15: 00000000000000f8
[ 50.988478]
[ 50.988797] irq event stamp: 11535
[ 50.989289] hardirqs last enabled at (11547): [] __up_console_sem+0x78/0x80
[ 50.990404] hardirqs last disabled at (11558): [] __up_console_sem+0x5d/0x80
[ 50.991524] softirqs last enabled at (10768): [] irq_exit_rcu+0x93/0xc0
[ 50.992621] softirqs last disabled at (10763): [] irq_exit_rcu+0x93/0xc0
[ 50.993746] ---[ end trace 0000000000000000 ]---
executing program
[ 52.487618] Bluetooth: hci0: command 0x0409 tx timeout
[ 54.535414] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 56.582976] Bluetooth: hci0: command 0x040f tx timeout
executing program
[ 58.631068] Bluetooth: hci0: command 0x0419 tx timeout
executing program
VM DIAGNOSIS:
00:45:30 Registers:
info registers vcpu 0
RAX=0000000000020eb5 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=00000202 [-------] 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=00007fe56ce2fde0 CR3=000000001642a000 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=91ad138e527076b93944394d399ddd69
XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0
XMM04=acf585abdf94e887000000000013c800 XMM05=d3fdd5f48436fbd700000000000aead0
XMM06=29fa8efb6ab801e900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728
XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000020000000 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=ffff888018df75f0
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 0000555557181400 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=00007f06636fb6f4 CR3=000000000c4a0000 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