Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:11963' (ECDSA) to the list of known hosts. 2023/05/18 04:15:48 fuzzer started 2023/05/18 04:15:49 dialing manager at localhost:44319 2023/05/18 04:15:49 checking machine... 2023/05/18 04:15:49 checking revisions... syzkaller login: [ 139.112990] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:15:49 testing simple program... [ 139.177991] cgroup: Unknown subsys name 'net' [ 139.263473] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 152.771803] audit: type=1400 audit(1684383363.094:6): 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 [ 153.877960] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 153.880117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 153.881893] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 153.885431] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 153.887062] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 153.888437] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 154.285768] ------------[ cut here ]------------ [ 154.286491] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 154.288192] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 154.289263] Modules linked in: [ 154.289679] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 154.291748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 154.294437] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 154.296005] 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 [ 154.298259] RSP: 0018:ffff888019defc00 EFLAGS: 00010282 [ 154.298923] RAX: 0000000000000000 RBX: ffff88800dd46840 RCX: 0000000000000000 [ 154.299814] RDX: ffff888016e3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 154.300704] RBP: ffff88800dd46854 R08: 0000000000000001 R09: 0000000000000000 [ 154.301593] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 154.302503] R13: ffffffff84e23fe0 R14: ffff88800dd46848 R15: ffffffff84d74dc0 [ 154.303398] FS: 00005555562b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 154.304414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.305168] CR2: 00007fc6b465d800 CR3: 000000000da3c000 CR4: 0000000000350ef0 [ 154.306046] Call Trace: [ 154.306413] [ 154.306720] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 154.307378] ipv4_frags_init_net+0x269/0x440 [ 154.307943] ops_init+0xbb/0x6b0 [ 154.308426] setup_net+0x3d9/0x990 [ 154.308885] ? down_read_killable+0x1d7/0x4e0 [ 154.309484] ? __pfx_setup_net+0x10/0x10 [ 154.309992] ? copy_net_ns+0x17c/0x770 [ 154.310549] copy_net_ns+0x321/0x770 [ 154.311037] create_new_namespaces+0x3f6/0xb30 [ 154.311657] unshare_nsproxy_namespaces+0xc1/0x200 [ 154.312304] ksys_unshare+0x44d/0x8e0 [ 154.312789] ? __pfx_ksys_unshare+0x10/0x10 [ 154.313371] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 154.314086] __x64_sys_unshare+0x31/0x40 [ 154.314636] do_syscall_64+0x3f/0x90 [ 154.315160] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 154.315825] RIP: 0033:0x7f1aef4210d7 [ 154.316341] 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 [ 154.318579] RSP: 002b:00007ffd2376e5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 154.319580] RAX: ffffffffffffffda RBX: 00007ffd2376ec18 RCX: 00007f1aef4210d7 [ 154.320502] RDX: 00007f1aef48b41f RSI: 00007ffd2376e570 RDI: 0000000040000000 [ 154.321444] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2376e380 [ 154.322379] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1aef533bf0 [ 154.323534] R13: 00007ffd2376e6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 154.324729] [ 154.325117] irq event stamp: 10115 [ 154.325718] hardirqs last enabled at (10127): [] __up_console_sem+0x78/0x80 [ 154.327117] hardirqs last disabled at (10138): [] __up_console_sem+0x5d/0x80 [ 154.328498] softirqs last enabled at (10040): [] irq_exit_rcu+0x93/0xc0 [ 154.329820] softirqs last disabled at (10035): [] irq_exit_rcu+0x93/0xc0 [ 154.331182] ---[ end trace 0000000000000000 ]--- [ 154.336978] ------------[ cut here ]------------ [ 154.337753] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 154.339729] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 154.340806] Modules linked in: [ 154.341241] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 154.342368] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 154.343350] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 154.343973] 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 [ 154.346054] RSP: 0018:ffff888019defc00 EFLAGS: 00010282 [ 154.346736] RAX: 0000000000000000 RBX: ffff88800d7c6a40 RCX: 0000000000000000 [ 154.347612] RDX: ffff888016e3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 154.348495] RBP: ffff88800d7c6a54 R08: 0000000000000001 R09: 0000000000000000 [ 154.349389] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 154.350289] R13: ffffffff84e23fe0 R14: ffff88800d7c6a48 R15: ffffffff84da7d60 [ 154.351193] FS: 00005555562b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 154.352210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.352932] CR2: 00007fc6b465d800 CR3: 000000000da3c000 CR4: 0000000000350ef0 [ 154.353822] Call Trace: [ 154.354193] [ 154.354489] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 154.355109] ipv6_frags_init_net+0x206/0x3c0 [ 154.355705] ops_init+0xbb/0x6b0 [ 154.356193] setup_net+0x3d9/0x990 [ 154.356657] ? down_read_killable+0x1d7/0x4e0 [ 154.357254] ? __pfx_setup_net+0x10/0x10 [ 154.357746] ? copy_net_ns+0x17c/0x770 [ 154.358299] copy_net_ns+0x321/0x770 [ 154.358768] create_new_namespaces+0x3f6/0xb30 [ 154.359371] unshare_nsproxy_namespaces+0xc1/0x200 [ 154.359963] ksys_unshare+0x44d/0x8e0 [ 154.360465] ? __pfx_ksys_unshare+0x10/0x10 [ 154.360986] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 154.361741] __x64_sys_unshare+0x31/0x40 [ 154.362282] do_syscall_64+0x3f/0x90 [ 154.362740] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 154.363383] RIP: 0033:0x7f1aef4210d7 [ 154.363827] 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 [ 154.365876] RSP: 002b:00007ffd2376e5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 154.366784] RAX: ffffffffffffffda RBX: 00007ffd2376ec18 RCX: 00007f1aef4210d7 [ 154.367637] RDX: 00007f1aef48b41f RSI: 00007ffd2376e570 RDI: 0000000040000000 [ 154.368491] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2376e380 [ 154.369337] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1aef533bf0 [ 154.370204] R13: 00007ffd2376e6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 154.371035] [ 154.371362] irq event stamp: 12021 [ 154.371774] hardirqs last enabled at (12031): [] __up_console_sem+0x78/0x80 [ 154.372782] hardirqs last disabled at (12042): [] __up_console_sem+0x5d/0x80 [ 154.373798] softirqs last enabled at (11872): [] irq_exit_rcu+0x93/0xc0 [ 154.374792] softirqs last disabled at (11867): [] irq_exit_rcu+0x93/0xc0 [ 154.375766] ---[ end trace 0000000000000000 ]--- [ 154.378487] ------------[ cut here ]------------ [ 154.379041] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 154.380809] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 154.381799] Modules linked in: [ 154.382238] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 154.383315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 154.384261] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 154.384866] 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 [ 154.386904] RSP: 0018:ffff888019defbf0 EFLAGS: 00010286 [ 154.387545] RAX: 0000000000000000 RBX: ffff88800d7c7440 RCX: 0000000000000000 [ 154.388380] RDX: ffff888016e3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 154.389214] RBP: ffff88800d7c7454 R08: 0000000000000001 R09: 0000000000000000 [ 154.390014] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 154.390875] R13: ffffffff84e23fe0 R14: ffff88800d7c7448 R15: ffffffff84db0aa0 [ 154.391714] FS: 00005555562b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 154.392636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.393414] CR2: 00007fc6b465d800 CR3: 000000000da3c000 CR4: 0000000000350ef0 [ 154.394403] Call Trace: [ 154.394769] [ 154.395101] nf_ct_net_init+0x224/0x3d0 [ 154.395715] ? __pfx_nf_ct_net_init+0x10/0x10 [ 154.396391] ops_init+0xbb/0x6b0 [ 154.396894] setup_net+0x3d9/0x990 [ 154.397437] ? down_read_killable+0x1d7/0x4e0 [ 154.398081] ? __pfx_setup_net+0x10/0x10 [ 154.398685] ? copy_net_ns+0x17c/0x770 [ 154.399285] copy_net_ns+0x321/0x770 [ 154.399824] create_new_namespaces+0x3f6/0xb30 [ 154.400514] unshare_nsproxy_namespaces+0xc1/0x200 [ 154.401234] ksys_unshare+0x44d/0x8e0 [ 154.401778] ? __pfx_ksys_unshare+0x10/0x10 [ 154.402441] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 154.403264] __x64_sys_unshare+0x31/0x40 [ 154.403836] do_syscall_64+0x3f/0x90 [ 154.404419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 154.405166] RIP: 0033:0x7f1aef4210d7 [ 154.405686] 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 [ 154.408088] RSP: 002b:00007ffd2376e5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 154.409153] RAX: ffffffffffffffda RBX: 00007ffd2376ec18 RCX: 00007f1aef4210d7 [ 154.410092] RDX: 00007f1aef48b41f RSI: 00007ffd2376e570 RDI: 0000000040000000 [ 154.411064] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2376e380 [ 154.412036] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1aef533bf0 [ 154.413003] R13: 00007ffd2376e6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 154.413998] [ 154.414391] irq event stamp: 12883 [ 154.414865] hardirqs last enabled at (12893): [] __up_console_sem+0x78/0x80 [ 154.416045] hardirqs last disabled at (12904): [] __up_console_sem+0x5d/0x80 [ 154.417219] softirqs last enabled at (12452): [] irq_exit_rcu+0x93/0xc0 [ 154.418369] softirqs last disabled at (12443): [] irq_exit_rcu+0x93/0xc0 [ 154.419515] ---[ end trace 0000000000000000 ]--- [ 155.961764] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 158.009265] Bluetooth: hci0: command 0x041b tx timeout executing program [ 160.057227] Bluetooth: hci0: command 0x040f tx timeout [ 162.105212] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:14:21 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019def5c0 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 00005555562b9400 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=00007fc6b465d800 CR3=000000000da3c000 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=dffffc0000000000 RBX=ffff888016d672c8 RCX=0000000000000001 RDX=1ffff11002dace5b RSI=ffff888016d67630 RDI=ffff888016d672d8 RBP=ffff888016d67630 RSP=ffff888016d67220 R8 =ffffffff8612f79c R9 =ffffffff8612f7a0 R10=0000000000038001 R11=ffff888016d67308 R12=0000000000000008 R13=ffff888016d60000 R14=ffff888016d67630 R15=ffff888016d672c8 RIP=ffffffff81130158 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 00007fc6b5247900 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=00007fc6b46fd620 CR3=000000000e6b6000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d35f14e95510c1f600000000000cb5e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=033180749ce1188500000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000