Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:38774' (ECDSA) to the list of known hosts. 2023/05/16 19:51:48 fuzzer started 2023/05/16 19:51:49 dialing manager at localhost:35573 2023/05/16 19:51:49 checking machine... 2023/05/16 19:51:49 checking revisions... syzkaller login: [ 47.888765] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:51:49 testing simple program... [ 47.958867] cgroup: Unknown subsys name 'net' [ 48.056342] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.302561] audit: type=1400 audit(1684266721.610:6): 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 [ 61.424334] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.426115] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.427924] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.430882] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.432338] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.434398] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.812827] ------------[ cut here ]------------ [ 61.813471] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.815268] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.816574] Modules linked in: [ 61.816971] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.821275] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.822301] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.822997] 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 [ 61.825257] RSP: 0018:ffff888019207c00 EFLAGS: 00010282 [ 61.825956] RAX: 0000000000000000 RBX: ffff888016097c40 RCX: 0000000000000000 [ 61.826864] RDX: ffff88800fd451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.827766] RBP: ffff888016097c54 R08: 0000000000000001 R09: 0000000000000000 [ 61.828661] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.829516] R13: ffffffff84e223a0 R14: ffff888016097c48 R15: ffffffff84d73340 [ 61.830418] FS: 00005555555ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.831447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.832188] CR2: 00007f9bfbb1e6f4 CR3: 000000000de48000 CR4: 0000000000350ee0 [ 61.833078] Call Trace: [ 61.833408] [ 61.833741] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.834354] ipv4_frags_init_net+0x269/0x440 [ 61.834952] ops_init+0xbb/0x6b0 [ 61.835399] setup_net+0x3d9/0x990 [ 61.835888] ? down_read_killable+0x1d7/0x4e0 [ 61.836459] ? __pfx_setup_net+0x10/0x10 [ 61.836994] ? copy_net_ns+0x17c/0x770 [ 61.837499] copy_net_ns+0x321/0x770 [ 61.838009] create_new_namespaces+0x3f6/0xb30 [ 61.838653] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.839269] ksys_unshare+0x44d/0x8e0 [ 61.839795] ? __pfx_ksys_unshare+0x10/0x10 [ 61.840341] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.841104] __x64_sys_unshare+0x31/0x40 [ 61.841658] do_syscall_64+0x3f/0x90 [ 61.842134] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.842826] RIP: 0033:0x7f97646500d7 [ 61.843288] 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 [ 61.845451] RSP: 002b:00007ffc54970c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.846391] RAX: ffffffffffffffda RBX: 00007ffc549712d8 RCX: 00007f97646500d7 [ 61.847299] RDX: 00007f97646ba41f RSI: 00007ffc54970c30 RDI: 0000000040000000 [ 61.848186] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc54970a40 [ 61.849072] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9764762bf0 [ 61.849968] R13: 00007ffc54970d70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.850904] [ 61.851206] irq event stamp: 8281 [ 61.851662] hardirqs last enabled at (8293): [] __up_console_sem+0x78/0x80 [ 61.852720] hardirqs last disabled at (8304): [] __up_console_sem+0x5d/0x80 [ 61.853791] softirqs last enabled at (7816): [] irq_exit_rcu+0x93/0xc0 [ 61.854836] softirqs last disabled at (7797): [] irq_exit_rcu+0x93/0xc0 [ 61.855860] ---[ end trace 0000000000000000 ]--- [ 61.861238] ------------[ cut here ]------------ [ 61.861967] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.863932] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.865223] Modules linked in: [ 61.865751] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.867186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.868425] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.869255] 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 [ 61.871964] RSP: 0018:ffff888019207c00 EFLAGS: 00010282 [ 61.872805] RAX: 0000000000000000 RBX: ffff8880162b6840 RCX: 0000000000000000 [ 61.873909] RDX: ffff88800fd451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.875024] RBP: ffff8880162b6854 R08: 0000000000000001 R09: 0000000000000000 [ 61.876119] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.877213] R13: ffffffff84e223a0 R14: ffff8880162b6848 R15: ffffffff84da62e0 [ 61.878314] FS: 00005555555ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.879566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.880449] CR2: 00007f9bfbb1e6f4 CR3: 000000000de48000 CR4: 0000000000350ee0 [ 61.881554] Call Trace: [ 61.881957] [ 61.882320] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.883124] ipv6_frags_init_net+0x206/0x3c0 [ 61.883842] ops_init+0xbb/0x6b0 [ 61.884380] setup_net+0x3d9/0x990 [ 61.884983] ? down_read_killable+0x1d7/0x4e0 [ 61.885712] ? __pfx_setup_net+0x10/0x10 [ 61.886335] ? copy_net_ns+0x17c/0x770 [ 61.887015] copy_net_ns+0x321/0x770 [ 61.887640] create_new_namespaces+0x3f6/0xb30 [ 61.888370] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.889209] ksys_unshare+0x44d/0x8e0 [ 61.889839] ? __pfx_ksys_unshare+0x10/0x10 [ 61.890558] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.891436] __x64_sys_unshare+0x31/0x40 [ 61.892125] do_syscall_64+0x3f/0x90 [ 61.892745] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.893555] RIP: 0033:0x7f97646500d7 [ 61.894123] 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 [ 61.896817] RSP: 002b:00007ffc54970c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.897988] RAX: ffffffffffffffda RBX: 00007ffc549712d8 RCX: 00007f97646500d7 [ 61.899075] RDX: 00007f97646ba41f RSI: 00007ffc54970c30 RDI: 0000000040000000 [ 61.900167] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc54970a40 [ 61.901251] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9764762bf0 [ 61.902345] R13: 00007ffc54970d70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.903496] [ 61.903901] irq event stamp: 9765 [ 61.904422] hardirqs last enabled at (9775): [] __up_console_sem+0x78/0x80 [ 61.905720] hardirqs last disabled at (9786): [] __up_console_sem+0x5d/0x80 [ 61.907042] softirqs last enabled at (9238): [] irq_exit_rcu+0x93/0xc0 [ 61.908307] softirqs last disabled at (9197): [] irq_exit_rcu+0x93/0xc0 [ 61.909565] ---[ end trace 0000000000000000 ]--- [ 61.911255] ------------[ cut here ]------------ [ 61.911995] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.914253] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.915574] Modules linked in: [ 61.916060] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.917448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.918690] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.919462] 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 [ 61.922125] RSP: 0018:ffff888019207bf0 EFLAGS: 00010286 [ 61.922968] RAX: 0000000000000000 RBX: ffff8880162b6e40 RCX: 0000000000000000 [ 61.924040] RDX: ffff88800fd451c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.925113] RBP: ffff8880162b6e54 R08: 0000000000000001 R09: 0000000000000000 [ 61.926187] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.927284] R13: ffffffff84e223a0 R14: ffff8880162b6e48 R15: ffffffff84daf020 [ 61.928374] FS: 00005555555ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.929575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.930429] CR2: 00007f9bfbb1e6f4 CR3: 000000000de48000 CR4: 0000000000350ee0 [ 61.931552] Call Trace: [ 61.931954] [ 61.932312] nf_ct_net_init+0x224/0x3d0 [ 61.932983] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.933708] ops_init+0xbb/0x6b0 [ 61.934245] setup_net+0x3d9/0x990 [ 61.934839] ? down_read_killable+0x1d7/0x4e0 [ 61.935564] ? __pfx_setup_net+0x10/0x10 [ 61.936184] ? copy_net_ns+0x17c/0x770 [ 61.936818] copy_net_ns+0x321/0x770 [ 61.937386] create_new_namespaces+0x3f6/0xb30 [ 61.938102] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.938862] ksys_unshare+0x44d/0x8e0 [ 61.939432] ? __pfx_ksys_unshare+0x10/0x10 [ 61.940101] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.940964] __x64_sys_unshare+0x31/0x40 [ 61.941606] do_syscall_64+0x3f/0x90 [ 61.942162] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.942967] RIP: 0033:0x7f97646500d7 [ 61.943506] 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 [ 61.946031] RSP: 002b:00007ffc54970c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.947142] RAX: ffffffffffffffda RBX: 00007ffc549712d8 RCX: 00007f97646500d7 [ 61.948183] RDX: 00007f97646ba41f RSI: 00007ffc54970c30 RDI: 0000000040000000 [ 61.949222] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc54970a40 [ 61.950235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9764762bf0 [ 61.951267] R13: 00007ffc54970d70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.952328] [ 61.952711] irq event stamp: 10501 [ 61.953213] hardirqs last enabled at (10511): [] __up_console_sem+0x78/0x80 [ 61.954464] hardirqs last disabled at (10522): [] __up_console_sem+0x5d/0x80 [ 61.955694] softirqs last enabled at (10066): [] irq_exit_rcu+0x93/0xc0 [ 61.956888] softirqs last disabled at (10061): [] irq_exit_rcu+0x93/0xc0 [ 61.958083] ---[ end trace 0000000000000000 ]--- executing program [ 63.513125] Bluetooth: hci0: command 0x0409 tx timeout [ 65.559613] Bluetooth: hci0: command 0x041b tx timeout executing program [ 67.607598] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.655609] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:51:44 Registers: info registers vcpu 0 RAX=000000000001b6b3 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007fe0f7ce8070 CR3=00000000160e8000 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=0ae0dbcaaa764aa87e4eb454c8ecf945 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=88d467406eccd3ed000000000013c7f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=35a6992eedead87600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880192075f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006f R11=0000000000000001 R12=000000000000006f 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 00005555555ea400 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=00007f9bfbb1e6f4 CR3=000000000de48000 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