Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61041' (ECDSA) to the list of known hosts. 2023/05/18 03:52:13 fuzzer started 2023/05/18 03:52:13 dialing manager at localhost:44319 2023/05/18 03:52:13 checking machine... 2023/05/18 03:52:13 checking revisions... syzkaller login: [ 33.895976] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:52:13 testing simple program... [ 33.973022] cgroup: Unknown subsys name 'net' [ 34.074415] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.425519] audit: type=1400 audit(1684381947.069:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 48.527910] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.529867] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.531609] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.535222] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.536685] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.538563] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 48.931014] ------------[ cut here ]------------ [ 48.931626] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 48.933286] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.934374] Modules linked in: [ 48.934791] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.938781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.939981] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.940629] 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 [ 48.942906] RSP: 0018:ffff888018027c00 EFLAGS: 00010282 [ 48.943589] RAX: 0000000000000000 RBX: ffff88800eafec40 RCX: 0000000000000000 [ 48.944514] RDX: ffff888016761b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.945476] RBP: ffff88800eafec54 R08: 0000000000000001 R09: 0000000000000000 [ 48.946456] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 48.947406] R13: ffffffff84e23fe0 R14: ffff88800eafec48 R15: ffffffff84d74dc0 [ 48.948334] FS: 0000555556776400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 48.949317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.950035] CR2: 00007f58d4e47650 CR3: 000000000f18c000 CR4: 0000000000350ef0 [ 48.950879] Call Trace: [ 48.951184] [ 48.951466] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 48.952076] ipv4_frags_init_net+0x269/0x440 [ 48.952613] ops_init+0xbb/0x6b0 [ 48.953097] setup_net+0x3d9/0x990 [ 48.953539] ? down_read_killable+0x1d7/0x4e0 [ 48.954109] ? __pfx_setup_net+0x10/0x10 [ 48.954604] ? copy_net_ns+0x17c/0x770 [ 48.955122] copy_net_ns+0x321/0x770 [ 48.955586] create_new_namespaces+0x3f6/0xb30 [ 48.956168] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.956769] ksys_unshare+0x44d/0x8e0 [ 48.957262] ? __pfx_ksys_unshare+0x10/0x10 [ 48.957769] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.958476] __x64_sys_unshare+0x31/0x40 [ 48.959001] do_syscall_64+0x3f/0x90 [ 48.959460] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.960108] RIP: 0033:0x7f0cc63420d7 [ 48.960557] 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 [ 48.962665] RSP: 002b:00007ffd82b569d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 48.963586] RAX: ffffffffffffffda RBX: 00007ffd82b57018 RCX: 00007f0cc63420d7 [ 48.964450] RDX: 00007f0cc63ac41f RSI: 00007ffd82b56970 RDI: 0000000040000000 [ 48.965309] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd82b56780 [ 48.966177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0cc6454bf0 [ 48.967008] R13: 00007ffd82b56ab0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.967863] [ 48.968148] irq event stamp: 8157 [ 48.968548] hardirqs last enabled at (8167): [] __up_console_sem+0x78/0x80 [ 48.969558] hardirqs last disabled at (8178): [] __up_console_sem+0x5d/0x80 [ 48.970548] softirqs last enabled at (8064): [] irq_exit_rcu+0x93/0xc0 [ 48.971510] softirqs last disabled at (8055): [] irq_exit_rcu+0x93/0xc0 [ 48.972474] ---[ end trace 0000000000000000 ]--- [ 48.977593] ------------[ cut here ]------------ [ 48.978204] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.979844] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.980907] Modules linked in: [ 48.981313] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.982454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.983447] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.984120] 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 [ 48.986283] RSP: 0018:ffff888018027c00 EFLAGS: 00010282 [ 48.986959] RAX: 0000000000000000 RBX: ffff888013591a40 RCX: 0000000000000000 [ 48.987799] RDX: ffff888016761b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.988677] RBP: ffff888013591a54 R08: 0000000000000001 R09: 0000000000000000 [ 48.989576] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.990454] R13: ffffffff84e23fe0 R14: ffff888013591a48 R15: ffffffff84da7d60 [ 48.991330] FS: 0000555556776400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 48.992313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.993051] CR2: 00007f58d4e47650 CR3: 000000000f18c000 CR4: 0000000000350ef0 [ 48.993975] Call Trace: [ 48.994295] [ 48.994588] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 48.995233] ipv6_frags_init_net+0x206/0x3c0 [ 48.995788] ops_init+0xbb/0x6b0 [ 48.996267] setup_net+0x3d9/0x990 [ 48.996719] ? down_read_killable+0x1d7/0x4e0 [ 48.997348] ? __pfx_setup_net+0x10/0x10 [ 48.997881] ? copy_net_ns+0x17c/0x770 [ 48.998372] copy_net_ns+0x321/0x770 [ 48.998878] create_new_namespaces+0x3f6/0xb30 [ 48.999468] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.000105] ksys_unshare+0x44d/0x8e0 [ 49.000580] ? __pfx_ksys_unshare+0x10/0x10 [ 49.001166] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.001888] __x64_sys_unshare+0x31/0x40 [ 49.002393] do_syscall_64+0x3f/0x90 [ 49.002894] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.003532] RIP: 0033:0x7f0cc63420d7 [ 49.004018] 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 [ 49.006200] RSP: 002b:00007ffd82b569d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.007135] RAX: ffffffffffffffda RBX: 00007ffd82b57018 RCX: 00007f0cc63420d7 [ 49.008006] RDX: 00007f0cc63ac41f RSI: 00007ffd82b56970 RDI: 0000000040000000 [ 49.008914] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd82b56780 [ 49.009765] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0cc6454bf0 [ 49.010615] R13: 00007ffd82b56ab0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.011471] [ 49.011758] irq event stamp: 9885 [ 49.012183] hardirqs last enabled at (9897): [] __up_console_sem+0x78/0x80 [ 49.013198] hardirqs last disabled at (9908): [] __up_console_sem+0x5d/0x80 [ 49.014197] softirqs last enabled at (9572): [] irq_exit_rcu+0x93/0xc0 [ 49.015160] softirqs last disabled at (9561): [] irq_exit_rcu+0x93/0xc0 [ 49.016131] ---[ end trace 0000000000000000 ]--- [ 49.017427] ------------[ cut here ]------------ [ 49.018110] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.019917] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.020971] Modules linked in: [ 49.021380] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.022535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.023539] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.024214] 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 [ 49.026343] RSP: 0018:ffff888018027bf0 EFLAGS: 00010286 [ 49.027019] RAX: 0000000000000000 RBX: ffff888008ee0c40 RCX: 0000000000000000 [ 49.027895] RDX: ffff888016761b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.028743] RBP: ffff888008ee0c54 R08: 0000000000000001 R09: 0000000000000000 [ 49.029643] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.030517] R13: ffffffff84e23fe0 R14: ffff888008ee0c48 R15: ffffffff84db0aa0 [ 49.031404] FS: 0000555556776400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.032387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.033124] CR2: 00007f58d4e47650 CR3: 000000000f18c000 CR4: 0000000000350ef0 [ 49.033999] Call Trace: [ 49.034325] [ 49.034618] nf_ct_net_init+0x224/0x3d0 [ 49.035158] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.035726] ops_init+0xbb/0x6b0 [ 49.036198] setup_net+0x3d9/0x990 [ 49.036641] ? down_read_killable+0x1d7/0x4e0 [ 49.037240] ? __pfx_setup_net+0x10/0x10 [ 49.037741] ? copy_net_ns+0x17c/0x770 [ 49.038278] copy_net_ns+0x321/0x770 [ 49.038761] create_new_namespaces+0x3f6/0xb30 [ 49.039360] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.039994] ksys_unshare+0x44d/0x8e0 [ 49.040482] ? __pfx_ksys_unshare+0x10/0x10 [ 49.041077] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.041773] __x64_sys_unshare+0x31/0x40 [ 49.042312] do_syscall_64+0x3f/0x90 [ 49.042776] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.043429] RIP: 0033:0x7f0cc63420d7 [ 49.043912] 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 [ 49.046057] RSP: 002b:00007ffd82b569d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.046986] RAX: ffffffffffffffda RBX: 00007ffd82b57018 RCX: 00007f0cc63420d7 [ 49.047855] RDX: 00007f0cc63ac41f RSI: 00007ffd82b56970 RDI: 0000000040000000 [ 49.048705] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd82b56780 [ 49.049601] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0cc6454bf0 [ 49.050473] R13: 00007ffd82b56ab0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.051366] [ 49.051661] irq event stamp: 10705 [ 49.052114] hardirqs last enabled at (10717): [] __up_console_sem+0x78/0x80 [ 49.053171] hardirqs last disabled at (10728): [] __up_console_sem+0x5d/0x80 [ 49.054225] softirqs last enabled at (10690): [] irq_exit_rcu+0x93/0xc0 [ 49.055249] softirqs last disabled at (10683): [] irq_exit_rcu+0x93/0xc0 [ 49.056279] ---[ end trace 0000000000000000 ]--- [ 50.610557] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 52.658995] Bluetooth: hci0: command 0x041b tx timeout [ 54.705892] Bluetooth: hci0: command 0x040f tx timeout executing program [ 56.753909] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:52:24 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880180275f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556776400 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=00007f58d4e47650 CR3=000000000f18c000 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=000000000002a719 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007fab18038028 CR3=0000000016578000 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=2038323a32353a33302038312079614d XMM01=5d3139373433392e38342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000