Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:19886' (ECDSA) to the list of known hosts. 2023/05/17 00:16:39 fuzzer started 2023/05/17 00:16:39 dialing manager at localhost:35573 2023/05/17 00:16:39 checking machine... 2023/05/17 00:16:39 checking revisions... syzkaller login: [ 30.203991] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:16:39 testing simple program... [ 30.280076] cgroup: Unknown subsys name 'net' [ 30.364420] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.796133] audit: type=1400 audit(1684282613.229:6): 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 [ 44.911879] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.914100] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.917152] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.920558] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.922911] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.924783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 45.323745] ------------[ cut here ]------------ [ 45.324613] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.326861] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.328239] Modules linked in: [ 45.328703] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.333838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.335383] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.336156] 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 [ 45.338889] RSP: 0018:ffff88801a1d7c00 EFLAGS: 00010282 [ 45.339754] RAX: 0000000000000000 RBX: ffff88800eb78840 RCX: 0000000000000000 [ 45.340808] RDX: ffff88801a2f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.341871] RBP: ffff88800eb78854 R08: 0000000000000001 R09: 0000000000000000 [ 45.342934] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.344019] R13: ffffffff84e223a0 R14: ffff88800eb78848 R15: ffffffff84d73340 [ 45.345069] FS: 00005555566df400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.346264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.347125] CR2: 00007f07a6bd96f4 CR3: 000000000eddc000 CR4: 0000000000350ef0 [ 45.348209] Call Trace: [ 45.348626] [ 45.348974] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.349729] ipv4_frags_init_net+0x269/0x440 [ 45.350431] ops_init+0xbb/0x6b0 [ 45.350957] setup_net+0x3d9/0x990 [ 45.351551] ? down_read_killable+0x1d7/0x4e0 [ 45.352219] ? __pfx_setup_net+0x10/0x10 [ 45.352859] ? copy_net_ns+0x17c/0x770 [ 45.353493] copy_net_ns+0x321/0x770 [ 45.354062] create_new_namespaces+0x3f6/0xb30 [ 45.354801] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.355572] ksys_unshare+0x44d/0x8e0 [ 45.356124] ? __pfx_ksys_unshare+0x10/0x10 [ 45.356762] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.357593] __x64_sys_unshare+0x31/0x40 [ 45.358168] do_syscall_64+0x3f/0x90 [ 45.358724] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.359494] RIP: 0033:0x7fe844dff0d7 [ 45.360014] 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 [ 45.362423] RSP: 002b:00007ffd11d66588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.363490] RAX: ffffffffffffffda RBX: 00007ffd11d66bc8 RCX: 00007fe844dff0d7 [ 45.364492] RDX: 00007fe844e6941f RSI: 00007ffd11d66520 RDI: 0000000040000000 [ 45.365475] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd11d66330 [ 45.366464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe844f11bf0 [ 45.367487] R13: 00007ffd11d66660 R14: 0000000000000000 R15: 00000000000000f8 [ 45.368495] [ 45.368830] irq event stamp: 8273 [ 45.369329] hardirqs last enabled at (8285): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 45.370677] hardirqs last disabled at (8296): [] __up_console_sem+0x5d/0x80 [ 45.371863] softirqs last enabled at (7858): [] irq_exit_rcu+0x93/0xc0 [ 45.373010] softirqs last disabled at (7845): [] irq_exit_rcu+0x93/0xc0 [ 45.374155] ---[ end trace 0000000000000000 ]--- [ 45.381140] ------------[ cut here ]------------ [ 45.381855] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.383726] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.384924] Modules linked in: [ 45.385435] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.386779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.387978] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.388751] 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 [ 45.391272] RSP: 0018:ffff88801a1d7c00 EFLAGS: 00010282 [ 45.392065] RAX: 0000000000000000 RBX: ffff888013a68640 RCX: 0000000000000000 [ 45.393019] RDX: ffff88801a2f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.393941] RBP: ffff888013a68654 R08: 0000000000000001 R09: 0000000000000000 [ 45.394865] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.395819] R13: ffffffff84e223a0 R14: ffff888013a68648 R15: ffffffff84da62e0 [ 45.396737] FS: 00005555566df400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.397783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.398689] CR2: 00007f07a6bd96f4 CR3: 000000000eddc000 CR4: 0000000000350ef0 [ 45.399711] Call Trace: [ 45.400056] [ 45.400408] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.401058] ipv6_frags_init_net+0x206/0x3c0 [ 45.401679] ops_init+0xbb/0x6b0 [ 45.402143] setup_net+0x3d9/0x990 [ 45.402649] ? down_read_killable+0x1d7/0x4e0 [ 45.403245] ? __pfx_setup_net+0x10/0x10 [ 45.403822] ? copy_net_ns+0x17c/0x770 [ 45.404381] copy_net_ns+0x321/0x770 [ 45.404890] create_new_namespaces+0x3f6/0xb30 [ 45.405545] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.406192] ksys_unshare+0x44d/0x8e0 [ 45.406757] ? __pfx_ksys_unshare+0x10/0x10 [ 45.407383] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.408149] __x64_sys_unshare+0x31/0x40 [ 45.408730] do_syscall_64+0x3f/0x90 [ 45.409233] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.409938] RIP: 0033:0x7fe844dff0d7 [ 45.410467] 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 [ 45.412737] RSP: 002b:00007ffd11d66588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.413726] RAX: ffffffffffffffda RBX: 00007ffd11d66bc8 RCX: 00007fe844dff0d7 [ 45.414655] RDX: 00007fe844e6941f RSI: 00007ffd11d66520 RDI: 0000000040000000 [ 45.415607] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd11d66330 [ 45.416542] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe844f11bf0 [ 45.417467] R13: 00007ffd11d66660 R14: 0000000000000000 R15: 00000000000000f8 [ 45.418414] [ 45.418725] irq event stamp: 11701 [ 45.419178] hardirqs last enabled at (11711): [] __up_console_sem+0x78/0x80 [ 45.420328] hardirqs last disabled at (11722): [] __up_console_sem+0x5d/0x80 [ 45.421450] softirqs last enabled at (11528): [] irq_exit_rcu+0x93/0xc0 [ 45.422529] softirqs last disabled at (11519): [] irq_exit_rcu+0x93/0xc0 [ 45.423633] ---[ end trace 0000000000000000 ]--- [ 45.424977] ------------[ cut here ]------------ [ 45.425652] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.427603] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.428695] Modules linked in: [ 45.429112] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.430326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.431408] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.432072] 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 [ 45.434327] RSP: 0018:ffff88801a1d7bf0 EFLAGS: 00010286 [ 45.435015] RAX: 0000000000000000 RBX: ffff8880145a2440 RCX: 0000000000000000 [ 45.435938] RDX: ffff88801a2f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.436851] RBP: ffff8880145a2454 R08: 0000000000000001 R09: 0000000000000000 [ 45.437775] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.438688] R13: ffffffff84e223a0 R14: ffff8880145a2448 R15: ffffffff84daf020 [ 45.439632] FS: 00005555566df400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.440638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.441385] CR2: 00007f07a6bd96f4 CR3: 000000000eddc000 CR4: 0000000000350ef0 [ 45.442256] Call Trace: [ 45.442617] [ 45.442923] nf_ct_net_init+0x224/0x3d0 [ 45.443488] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.444073] ops_init+0xbb/0x6b0 [ 45.444555] setup_net+0x3d9/0x990 [ 45.445009] ? down_read_killable+0x1d7/0x4e0 [ 45.445611] ? __pfx_setup_net+0x10/0x10 [ 45.446136] ? copy_net_ns+0x17c/0x770 [ 45.446680] copy_net_ns+0x321/0x770 [ 45.447167] create_new_namespaces+0x3f6/0xb30 [ 45.447817] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.448475] ksys_unshare+0x44d/0x8e0 [ 45.448982] ? __pfx_ksys_unshare+0x10/0x10 [ 45.449565] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.450272] __x64_sys_unshare+0x31/0x40 [ 45.450817] do_syscall_64+0x3f/0x90 [ 45.451282] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.451966] RIP: 0033:0x7fe844dff0d7 [ 45.452463] 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 [ 45.454943] RSP: 002b:00007ffd11d66588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.456040] RAX: ffffffffffffffda RBX: 00007ffd11d66bc8 RCX: 00007fe844dff0d7 [ 45.457064] RDX: 00007fe844e6941f RSI: 00007ffd11d66520 RDI: 0000000040000000 [ 45.458077] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd11d66330 [ 45.459099] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe844f11bf0 [ 45.460156] R13: 00007ffd11d66660 R14: 0000000000000000 R15: 00000000000000f8 [ 45.461203] [ 45.461565] irq event stamp: 12473 [ 45.462003] hardirqs last enabled at (12483): [] __up_console_sem+0x78/0x80 [ 45.463062] hardirqs last disabled at (12494): [] __up_console_sem+0x5d/0x80 [ 45.464132] softirqs last enabled at (12188): [] irq_exit_rcu+0x93/0xc0 [ 45.465169] softirqs last disabled at (12183): [] irq_exit_rcu+0x93/0xc0 [ 45.466214] ---[ end trace 0000000000000000 ]--- [ 46.999006] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.046394] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.094464] Bluetooth: hci0: command 0x040f tx timeout [ 53.142461] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:16:53 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 00005555566df400 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=00007f07a6bd96f4 CR3=000000000eddc000 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=000000000002201b 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=00000206 [-----P-] 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=00007f7481c83c90 CR3=0000000015826000 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=2034353a36313a30302037312079614d XMM01=5d3330373832332e35342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000