Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:29247' (ECDSA) to the list of known hosts. 2023/05/16 11:48:01 fuzzer started 2023/05/16 11:48:01 dialing manager at localhost:35573 2023/05/16 11:48:01 checking machine... 2023/05/16 11:48:01 checking revisions... syzkaller login: [ 41.060484] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:48:02 testing simple program... [ 41.135974] cgroup: Unknown subsys name 'net' [ 41.239684] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.123531] audit: type=1400 audit(1684237696.207:6): avc: denied { execmem } for pid=258 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 [ 56.261253] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.262898] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.264182] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.266412] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.268767] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.270448] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.683990] ------------[ cut here ]------------ [ 56.684789] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.686661] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.687850] Modules linked in: [ 56.688406] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.693407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.694524] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.695314] 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 [ 56.697588] RSP: 0018:ffff88801462fc00 EFLAGS: 00010282 [ 56.698367] RAX: 0000000000000000 RBX: ffff88800fc0a840 RCX: 0000000000000000 [ 56.699357] RDX: ffff888019b71b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.700328] RBP: ffff88800fc0a854 R08: 0000000000000001 R09: 0000000000000000 [ 56.701358] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.702557] R13: ffffffff84e223a0 R14: ffff88800fc0a848 R15: ffffffff84d73340 [ 56.703521] FS: 0000555555c7e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.704554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.705317] CR2: 00007f820c52e6f4 CR3: 000000000eb3c000 CR4: 0000000000350ef0 [ 56.706211] Call Trace: [ 56.706563] [ 56.706884] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.707563] ipv4_frags_init_net+0x269/0x440 [ 56.708157] ops_init+0xbb/0x6b0 [ 56.708599] setup_net+0x3d9/0x990 [ 56.709079] ? down_read_killable+0x1d7/0x4e0 [ 56.709640] ? __pfx_setup_net+0x10/0x10 [ 56.710182] ? copy_net_ns+0x17c/0x770 [ 56.710699] copy_net_ns+0x321/0x770 [ 56.711214] create_new_namespaces+0x3f6/0xb30 [ 56.711796] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.712440] ksys_unshare+0x44d/0x8e0 [ 56.712935] ? __pfx_ksys_unshare+0x10/0x10 [ 56.713509] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.714257] __x64_sys_unshare+0x31/0x40 [ 56.714791] do_syscall_64+0x3f/0x90 [ 56.715299] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.715942] RIP: 0033:0x7fccb5fea0d7 [ 56.716438] 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 [ 56.718603] RSP: 002b:00007fff37638ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.719691] RAX: ffffffffffffffda RBX: 00007fff37639528 RCX: 00007fccb5fea0d7 [ 56.720794] RDX: 00007fccb605441f RSI: 00007fff37638e80 RDI: 0000000040000000 [ 56.721723] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff37638c90 [ 56.722656] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fccb60fcbf0 [ 56.723571] R13: 00007fff37638fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.724494] [ 56.724817] irq event stamp: 10143 [ 56.725321] hardirqs last enabled at (10155): [] __up_console_sem+0x78/0x80 [ 56.726396] hardirqs last disabled at (10166): [] __up_console_sem+0x5d/0x80 [ 56.727487] softirqs last enabled at (9778): [] irq_exit_rcu+0x93/0xc0 [ 56.728513] softirqs last disabled at (9755): [] irq_exit_rcu+0x93/0xc0 [ 56.729532] ---[ end trace 0000000000000000 ]--- [ 56.737983] ------------[ cut here ]------------ [ 56.738637] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.740374] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.741493] Modules linked in: [ 56.741898] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.743095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.744128] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.744776] 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 [ 56.747031] RSP: 0018:ffff88801462fc00 EFLAGS: 00010282 [ 56.747723] RAX: 0000000000000000 RBX: ffff88800e960840 RCX: 0000000000000000 [ 56.748652] RDX: ffff888019b71b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.749569] RBP: ffff88800e960854 R08: 0000000000000001 R09: 0000000000000000 [ 56.750504] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.751420] R13: ffffffff84e223a0 R14: ffff88800e960848 R15: ffffffff84da62e0 [ 56.752357] FS: 0000555555c7e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.753415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.754165] CR2: 00007f820c52e6f4 CR3: 000000000eb3c000 CR4: 0000000000350ef0 [ 56.755360] Call Trace: [ 56.755730] [ 56.756081] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.756733] ipv6_frags_init_net+0x206/0x3c0 [ 56.757362] ops_init+0xbb/0x6b0 [ 56.757807] setup_net+0x3d9/0x990 [ 56.758330] ? down_read_killable+0x1d7/0x4e0 [ 56.758931] ? __pfx_setup_net+0x10/0x10 [ 56.759517] ? copy_net_ns+0x17c/0x770 [ 56.760076] copy_net_ns+0x321/0x770 [ 56.760588] create_new_namespaces+0x3f6/0xb30 [ 56.761216] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.761832] ksys_unshare+0x44d/0x8e0 [ 56.762348] ? __pfx_ksys_unshare+0x10/0x10 [ 56.762908] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.763645] __x64_sys_unshare+0x31/0x40 [ 56.764199] do_syscall_64+0x3f/0x90 [ 56.764680] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.765362] RIP: 0033:0x7fccb5fea0d7 [ 56.765836] 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 [ 56.768194] RSP: 002b:00007fff37638ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.769221] RAX: ffffffffffffffda RBX: 00007fff37639528 RCX: 00007fccb5fea0d7 [ 56.770154] RDX: 00007fccb605441f RSI: 00007fff37638e80 RDI: 0000000040000000 [ 56.771110] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff37638c90 [ 56.772092] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fccb60fcbf0 [ 56.773277] R13: 00007fff37638fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.774293] [ 56.774641] irq event stamp: 12397 [ 56.775131] hardirqs last enabled at (12409): [] __up_console_sem+0x78/0x80 [ 56.776282] hardirqs last disabled at (12420): [] __up_console_sem+0x5d/0x80 [ 56.777421] softirqs last enabled at (12082): [] irq_exit_rcu+0x93/0xc0 [ 56.778548] softirqs last disabled at (12073): [] irq_exit_rcu+0x93/0xc0 [ 56.779643] ---[ end trace 0000000000000000 ]--- [ 56.780993] ------------[ cut here ]------------ [ 56.781642] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.783574] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.784713] Modules linked in: [ 56.785173] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.786416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.787535] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.788253] 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 [ 56.790624] RSP: 0018:ffff88801462fbf0 EFLAGS: 00010286 [ 56.791411] RAX: 0000000000000000 RBX: ffff88800e960240 RCX: 0000000000000000 [ 56.792339] RDX: ffff888019b71b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.793286] RBP: ffff88800e960254 R08: 0000000000000001 R09: 0000000000000000 [ 56.794234] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.795208] R13: ffffffff84e223a0 R14: ffff88800e960248 R15: ffffffff84daf020 [ 56.796163] FS: 0000555555c7e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.797221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.797954] CR2: 00007f820c52e6f4 CR3: 000000000eb3c000 CR4: 0000000000350ef0 [ 56.798889] Call Trace: [ 56.799271] [ 56.799587] nf_ct_net_init+0x224/0x3d0 [ 56.800153] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.800741] ops_init+0xbb/0x6b0 [ 56.801233] setup_net+0x3d9/0x990 [ 56.801698] ? down_read_killable+0x1d7/0x4e0 [ 56.802340] ? __pfx_setup_net+0x10/0x10 [ 56.802905] ? copy_net_ns+0x17c/0x770 [ 56.803488] copy_net_ns+0x321/0x770 [ 56.803988] create_new_namespaces+0x3f6/0xb30 [ 56.804650] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.805350] ksys_unshare+0x44d/0x8e0 [ 56.805858] ? __pfx_ksys_unshare+0x10/0x10 [ 56.806483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.807291] __x64_sys_unshare+0x31/0x40 [ 56.807836] do_syscall_64+0x3f/0x90 [ 56.808428] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.809261] RIP: 0033:0x7fccb5fea0d7 [ 56.809748] 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 [ 56.812126] RSP: 002b:00007fff37638ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.813144] RAX: ffffffffffffffda RBX: 00007fff37639528 RCX: 00007fccb5fea0d7 [ 56.814087] RDX: 00007fccb605441f RSI: 00007fff37638e80 RDI: 0000000040000000 [ 56.814989] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff37638c90 [ 56.815927] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fccb60fcbf0 [ 56.817227] R13: 00007fff37638fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.818336] [ 56.818666] irq event stamp: 13163 [ 56.819135] hardirqs last enabled at (13175): [] __up_console_sem+0x78/0x80 [ 56.820216] hardirqs last disabled at (13186): [] __up_console_sem+0x5d/0x80 [ 56.821311] softirqs last enabled at (13066): [] irq_exit_rcu+0x93/0xc0 [ 56.822381] softirqs last disabled at (13061): [] irq_exit_rcu+0x93/0xc0 [ 56.823459] ---[ end trace 0000000000000000 ]--- [ 58.347724] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.395426] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.443180] Bluetooth: hci0: command 0x040f tx timeout [ 64.491228] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:48:13 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801462f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555555c7e400 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=00007f820c52e6f4 CR3=000000000eb3c000 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=000000000003a31f RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007fc041a1b780 CR3=00000000160b0000 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=1daed3ce7edcd6b7604865295637fa88 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=04ba7af3263198a8000000000013bd20 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=91426fec640e1f1600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000