Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45619' (ECDSA) to the list of known hosts. 2023/05/18 04:33:02 fuzzer started 2023/05/18 04:33:02 dialing manager at localhost:44319 2023/05/18 04:33:02 checking machine... 2023/05/18 04:33:02 checking revisions... syzkaller login: [ 38.859054] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:33:02 testing simple program... [ 38.930445] cgroup: Unknown subsys name 'net' [ 39.000959] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.322686] audit: type=1400 audit(1684384396.403:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.485140] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.486854] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.488030] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.490703] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.492458] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.493794] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 53.890951] ------------[ cut here ]------------ [ 53.891628] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.893287] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.894364] Modules linked in: [ 53.894797] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.899811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.901065] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.901849] 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 [ 53.904275] RSP: 0018:ffff88801eaf7c00 EFLAGS: 00010282 [ 53.904934] RAX: 0000000000000000 RBX: ffff8880101ec840 RCX: 0000000000000000 [ 53.905921] RDX: ffff888015a39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.906923] RBP: ffff8880101ec854 R08: 0000000000000001 R09: 0000000000000000 [ 53.907914] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.908913] R13: ffffffff84e23fe0 R14: ffff8880101ec848 R15: ffffffff84d74dc0 [ 53.909895] FS: 000055555656f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.911003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.911835] CR2: 00007f02fddbf6f4 CR3: 000000000da42000 CR4: 0000000000350ef0 [ 53.912820] Call Trace: [ 53.913148] [ 53.913570] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.914313] ipv4_frags_init_net+0x269/0x440 [ 53.914899] ops_init+0xbb/0x6b0 [ 53.915464] setup_net+0x3d9/0x990 [ 53.915933] ? down_read_killable+0x1d7/0x4e0 [ 53.916677] ? __pfx_setup_net+0x10/0x10 [ 53.917338] ? copy_net_ns+0x17c/0x770 [ 53.917863] copy_net_ns+0x321/0x770 [ 53.918470] create_new_namespaces+0x3f6/0xb30 [ 53.919083] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.919860] ksys_unshare+0x44d/0x8e0 [ 53.920562] ? __pfx_ksys_unshare+0x10/0x10 [ 53.921117] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.921948] __x64_sys_unshare+0x31/0x40 [ 53.922518] do_syscall_64+0x3f/0x90 [ 53.923017] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.923696] RIP: 0033:0x7f5f5249b0d7 [ 53.924197] 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 [ 53.926399] RSP: 002b:00007ffd042780f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.927369] RAX: ffffffffffffffda RBX: 00007ffd04278738 RCX: 00007f5f5249b0d7 [ 53.928275] RDX: 00007f5f5250541f RSI: 00007ffd04278090 RDI: 0000000040000000 [ 53.929129] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd04277ea0 [ 53.930013] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f525adbf0 [ 53.930949] R13: 00007ffd042781d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.931791] [ 53.932071] irq event stamp: 9751 [ 53.932492] hardirqs last enabled at (9763): [] __up_console_sem+0x78/0x80 [ 53.933468] hardirqs last disabled at (9774): [] __up_console_sem+0x5d/0x80 [ 53.934562] softirqs last enabled at (9598): [] irq_exit_rcu+0x93/0xc0 [ 53.935630] softirqs last disabled at (9573): [] irq_exit_rcu+0x93/0xc0 [ 53.936670] ---[ end trace 0000000000000000 ]--- [ 53.941607] ------------[ cut here ]------------ [ 53.942248] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.943913] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.945013] Modules linked in: [ 53.945457] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.946645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.947667] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.948362] 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 [ 53.950559] RSP: 0018:ffff88801eaf7c00 EFLAGS: 00010282 [ 53.951255] RAX: 0000000000000000 RBX: ffff88800da95240 RCX: 0000000000000000 [ 53.952118] RDX: ffff888015a39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.953027] RBP: ffff88800da95254 R08: 0000000000000001 R09: 0000000000000000 [ 53.953928] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.954846] R13: ffffffff84e23fe0 R14: ffff88800da95248 R15: ffffffff84da7d60 [ 53.955758] FS: 000055555656f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.956782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.957533] CR2: 00007f02fddbf6f4 CR3: 000000000da42000 CR4: 0000000000350ef0 [ 53.958443] Call Trace: [ 53.958790] [ 53.959088] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.959743] ipv6_frags_init_net+0x206/0x3c0 [ 53.960331] ops_init+0xbb/0x6b0 [ 53.960783] setup_net+0x3d9/0x990 [ 53.961280] ? down_read_killable+0x1d7/0x4e0 [ 53.961853] ? __pfx_setup_net+0x10/0x10 [ 53.962417] ? copy_net_ns+0x17c/0x770 [ 53.962939] copy_net_ns+0x321/0x770 [ 53.963453] create_new_namespaces+0x3f6/0xb30 [ 53.964037] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.964694] ksys_unshare+0x44d/0x8e0 [ 53.965218] ? __pfx_ksys_unshare+0x10/0x10 [ 53.965765] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.966512] __x64_sys_unshare+0x31/0x40 [ 53.967053] do_syscall_64+0x3f/0x90 [ 53.967575] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.968259] RIP: 0033:0x7f5f5249b0d7 [ 53.968720] 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 [ 53.970937] RSP: 002b:00007ffd042780f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.971903] RAX: ffffffffffffffda RBX: 00007ffd04278738 RCX: 00007f5f5249b0d7 [ 53.972808] RDX: 00007f5f5250541f RSI: 00007ffd04278090 RDI: 0000000040000000 [ 53.973702] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd04277ea0 [ 53.974617] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f525adbf0 [ 53.975512] R13: 00007ffd042781d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.976442] [ 53.976751] irq event stamp: 11501 [ 53.977232] hardirqs last enabled at (11513): [] __up_console_sem+0x78/0x80 [ 53.978328] hardirqs last disabled at (11524): [] __up_console_sem+0x5d/0x80 [ 53.979440] softirqs last enabled at (10352): [] netlink_insert+0x187/0x1820 [ 53.980537] softirqs last disabled at (10350): [] release_sock+0x1f/0x1b0 [ 53.981568] ---[ end trace 0000000000000000 ]--- [ 53.982923] ------------[ cut here ]------------ [ 53.983804] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.985666] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.986741] Modules linked in: [ 53.987180] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.988323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.989334] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.989989] 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 [ 53.992203] RSP: 0018:ffff88801eaf7bf0 EFLAGS: 00010286 [ 53.992853] RAX: 0000000000000000 RBX: ffff88801451a040 RCX: 0000000000000000 [ 53.993748] RDX: ffff888015a39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.994652] RBP: ffff88801451a054 R08: 0000000000000001 R09: 0000000000000000 [ 53.995553] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.996435] R13: ffffffff84e23fe0 R14: ffff88801451a048 R15: ffffffff84db0aa0 [ 53.997338] FS: 000055555656f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.998337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.999068] CR2: 00007f02fddbf6f4 CR3: 000000000da42000 CR4: 0000000000350ef0 [ 53.999967] Call Trace: [ 54.000331] [ 54.000630] nf_ct_net_init+0x224/0x3d0 [ 54.001201] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.001781] ops_init+0xbb/0x6b0 [ 54.002262] setup_net+0x3d9/0x990 [ 54.002725] ? down_read_killable+0x1d7/0x4e0 [ 54.003325] ? __pfx_setup_net+0x10/0x10 [ 54.003834] ? copy_net_ns+0x17c/0x770 [ 54.004376] copy_net_ns+0x321/0x770 [ 54.004860] create_new_namespaces+0x3f6/0xb30 [ 54.005494] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.006111] ksys_unshare+0x44d/0x8e0 [ 54.006659] ? __pfx_ksys_unshare+0x10/0x10 [ 54.007239] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.007949] __x64_sys_unshare+0x31/0x40 [ 54.008500] do_syscall_64+0x3f/0x90 [ 54.008983] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.009662] RIP: 0033:0x7f5f5249b0d7 [ 54.010126] 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 [ 54.012310] RSP: 002b:00007ffd042780f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.013256] RAX: ffffffffffffffda RBX: 00007ffd04278738 RCX: 00007f5f5249b0d7 [ 54.014104] RDX: 00007f5f5250541f RSI: 00007ffd04278090 RDI: 0000000040000000 [ 54.014997] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd04277ea0 [ 54.015876] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f525adbf0 [ 54.016774] R13: 00007ffd042781d0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.017686] [ 54.017988] irq event stamp: 12427 [ 54.018462] hardirqs last enabled at (12439): [] __up_console_sem+0x78/0x80 [ 54.019545] hardirqs last disabled at (12450): [] __up_console_sem+0x5d/0x80 [ 54.020612] softirqs last enabled at (12148): [] irq_exit_rcu+0x93/0xc0 [ 54.021649] softirqs last disabled at (12143): [] irq_exit_rcu+0x93/0xc0 [ 54.022707] ---[ end trace 0000000000000000 ]--- [ 55.565638] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.613591] Bluetooth: hci0: command 0x041b tx timeout [ 59.662386] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.709468] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:33:15 Registers: info registers vcpu 0 RAX=0000000000000078 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801eaf75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000078 R11=0000000000000001 R12=0000000000000078 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 000055555656f400 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=00007f02fddbf6f4 CR3=000000000da42000 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=0000000000036c79 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=00007f40e4039038 CR3=00000000158cc000 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=2037313a33333a34302038312079614d XMM01=5d3739373439382e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000