Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61076' (ECDSA) to the list of known hosts. 2023/05/16 23:14:05 fuzzer started 2023/05/16 23:14:05 dialing manager at localhost:35573 2023/05/16 23:14:05 checking machine... 2023/05/16 23:14:05 checking revisions... syzkaller login: [ 36.070112] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:14:05 testing simple program... [ 36.134813] cgroup: Unknown subsys name 'net' [ 36.218513] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.694222] audit: type=1400 audit(1684278858.142:6): 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 [ 49.853261] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.855805] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.857312] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.864345] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.866140] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.867313] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.252682] ------------[ cut here ]------------ [ 50.253417] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.255373] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.256582] Modules linked in: [ 50.257073] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.259105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.262506] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.263176] 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 [ 50.265352] RSP: 0018:ffff88800b847c00 EFLAGS: 00010282 [ 50.266068] RAX: 0000000000000000 RBX: ffff888016150c40 RCX: 0000000000000000 [ 50.266966] RDX: ffff8880158f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.267875] RBP: ffff888016150c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.268781] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.269678] R13: ffffffff84e223a0 R14: ffff888016150c48 R15: ffffffff84d73340 [ 50.270597] FS: 000055555704d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.271598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.272302] CR2: 00007fc660682e50 CR3: 000000000d7e2000 CR4: 0000000000350ee0 [ 50.273187] Call Trace: [ 50.273511] [ 50.273847] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.274457] ipv4_frags_init_net+0x269/0x440 [ 50.275037] ops_init+0xbb/0x6b0 [ 50.275480] setup_net+0x3d9/0x990 [ 50.275963] ? down_read_killable+0x1d7/0x4e0 [ 50.276529] ? __pfx_setup_net+0x10/0x10 [ 50.277060] ? copy_net_ns+0x17c/0x770 [ 50.277591] copy_net_ns+0x321/0x770 [ 50.278096] create_new_namespaces+0x3f6/0xb30 [ 50.278710] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.279324] ksys_unshare+0x44d/0x8e0 [ 50.279841] ? __pfx_ksys_unshare+0x10/0x10 [ 50.280384] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.281117] __x64_sys_unshare+0x31/0x40 [ 50.281664] do_syscall_64+0x3f/0x90 [ 50.282147] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.282808] RIP: 0033:0x7f80d2a220d7 [ 50.283269] 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 [ 50.285413] RSP: 002b:00007fffe0909428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.286354] RAX: ffffffffffffffda RBX: 00007fffe0909a68 RCX: 00007f80d2a220d7 [ 50.287255] RDX: 00007f80d2a8c41f RSI: 00007fffe09093c0 RDI: 0000000040000000 [ 50.288142] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe09091d0 [ 50.289032] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f80d2b34bf0 [ 50.289929] R13: 00007fffe0909500 R14: 0000000000000000 R15: 00000000000000f8 [ 50.290840] [ 50.291142] irq event stamp: 7821 [ 50.291592] hardirqs last enabled at (7833): [] __up_console_sem+0x78/0x80 [ 50.292643] hardirqs last disabled at (7844): [] __up_console_sem+0x5d/0x80 [ 50.293692] softirqs last enabled at (7758): [] irq_exit_rcu+0x93/0xc0 [ 50.294732] softirqs last disabled at (7753): [] irq_exit_rcu+0x93/0xc0 [ 50.295762] ---[ end trace 0000000000000000 ]--- [ 50.302128] ------------[ cut here ]------------ [ 50.302764] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.304403] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.305476] Modules linked in: [ 50.305933] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.307098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.308117] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.308792] 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 [ 50.311224] RSP: 0018:ffff88800b847c00 EFLAGS: 00010282 [ 50.311923] RAX: 0000000000000000 RBX: ffff8880160a3040 RCX: 0000000000000000 [ 50.312819] RDX: ffff8880158f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.313750] RBP: ffff8880160a3054 R08: 0000000000000001 R09: 0000000000000000 [ 50.314632] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.315480] R13: ffffffff84e223a0 R14: ffff8880160a3048 R15: ffffffff84da62e0 [ 50.316368] FS: 000055555704d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.317352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.318093] CR2: 00007fc660682e50 CR3: 000000000d7e2000 CR4: 0000000000350ee0 [ 50.318976] Call Trace: [ 50.319303] [ 50.319639] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.320257] ipv6_frags_init_net+0x206/0x3c0 [ 50.320839] ops_init+0xbb/0x6b0 [ 50.321294] setup_net+0x3d9/0x990 [ 50.321783] ? down_read_killable+0x1d7/0x4e0 [ 50.322345] ? __pfx_setup_net+0x10/0x10 [ 50.322874] ? copy_net_ns+0x17c/0x770 [ 50.323374] copy_net_ns+0x321/0x770 [ 50.323886] create_new_namespaces+0x3f6/0xb30 [ 50.324475] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.325122] ksys_unshare+0x44d/0x8e0 [ 50.325647] ? __pfx_ksys_unshare+0x10/0x10 [ 50.326227] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.326968] __x64_sys_unshare+0x31/0x40 [ 50.327481] do_syscall_64+0x3f/0x90 [ 50.327979] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.328644] RIP: 0033:0x7f80d2a220d7 [ 50.329114] 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 [ 50.331270] RSP: 002b:00007fffe0909428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.332218] RAX: ffffffffffffffda RBX: 00007fffe0909a68 RCX: 00007f80d2a220d7 [ 50.333119] RDX: 00007f80d2a8c41f RSI: 00007fffe09093c0 RDI: 0000000040000000 [ 50.334001] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe09091d0 [ 50.334885] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f80d2b34bf0 [ 50.335771] R13: 00007fffe0909500 R14: 0000000000000000 R15: 00000000000000f8 [ 50.336674] [ 50.336971] irq event stamp: 9659 [ 50.337393] hardirqs last enabled at (9669): [] __up_console_sem+0x78/0x80 [ 50.338478] hardirqs last disabled at (9680): [] __up_console_sem+0x5d/0x80 [ 50.339537] softirqs last enabled at (8792): [] irq_exit_rcu+0x93/0xc0 [ 50.340580] softirqs last disabled at (8781): [] irq_exit_rcu+0x93/0xc0 [ 50.341610] ---[ end trace 0000000000000000 ]--- [ 50.343081] ------------[ cut here ]------------ [ 50.343682] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.345571] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.346639] Modules linked in: [ 50.347040] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.348212] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.349228] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.349923] 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 [ 50.352087] RSP: 0018:ffff88800b847bf0 EFLAGS: 00010286 [ 50.352774] RAX: 0000000000000000 RBX: ffff8880160a2a40 RCX: 0000000000000000 [ 50.353652] RDX: ffff8880158f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.354523] RBP: ffff8880160a2a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.355408] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.356299] R13: ffffffff84e223a0 R14: ffff8880160a2a48 R15: ffffffff84daf020 [ 50.357176] FS: 000055555704d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.358176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.358920] CR2: 00007fc660682e50 CR3: 000000000d7e2000 CR4: 0000000000350ee0 [ 50.359799] Call Trace: [ 50.360128] [ 50.360428] nf_ct_net_init+0x224/0x3d0 [ 50.360987] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.361583] ops_init+0xbb/0x6b0 [ 50.362045] setup_net+0x3d9/0x990 [ 50.362501] ? down_read_killable+0x1d7/0x4e0 [ 50.363100] ? __pfx_setup_net+0x10/0x10 [ 50.363643] ? copy_net_ns+0x17c/0x770 [ 50.364146] copy_net_ns+0x321/0x770 [ 50.364659] create_new_namespaces+0x3f6/0xb30 [ 50.365249] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.365899] ksys_unshare+0x44d/0x8e0 [ 50.366387] ? __pfx_ksys_unshare+0x10/0x10 [ 50.366960] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.367706] __x64_sys_unshare+0x31/0x40 [ 50.368224] do_syscall_64+0x3f/0x90 [ 50.368735] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.369368] RIP: 0033:0x7f80d2a220d7 [ 50.369883] 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 [ 50.372079] RSP: 002b:00007fffe0909428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.373024] RAX: ffffffffffffffda RBX: 00007fffe0909a68 RCX: 00007f80d2a220d7 [ 50.373910] RDX: 00007f80d2a8c41f RSI: 00007fffe09093c0 RDI: 0000000040000000 [ 50.374793] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe09091d0 [ 50.375692] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f80d2b34bf0 [ 50.376542] R13: 00007fffe0909500 R14: 0000000000000000 R15: 00000000000000f8 [ 50.377449] [ 50.377812] irq event stamp: 10387 [ 50.378244] hardirqs last enabled at (10397): [] __up_console_sem+0x78/0x80 [ 50.379308] hardirqs last disabled at (10408): [] __up_console_sem+0x5d/0x80 [ 50.380377] softirqs last enabled at (9948): [] irq_exit_rcu+0x93/0xc0 [ 50.381405] softirqs last disabled at (9943): [] irq_exit_rcu+0x93/0xc0 [ 50.382442] ---[ end trace 0000000000000000 ]--- executing program [ 51.937184] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.984628] Bluetooth: hci0: command 0x041b tx timeout [ 56.032615] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.080716] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:14:13 Registers: info registers vcpu 0 RAX=0000000000018305 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=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 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=00007fc66064f070 CR3=0000000016100000 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=2039313a34313a33322036312079614d XMM01=5d3337303735322e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800b847618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 000055555704d400 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=00007fc660682e50 CR3=000000000d7e2000 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