Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8051' (ECDSA) to the list of known hosts. 2023/05/18 01:28:58 fuzzer started 2023/05/18 01:28:59 dialing manager at localhost:44319 2023/05/18 01:28:59 checking machine... 2023/05/18 01:28:59 checking revisions... syzkaller login: [ 38.665391] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:28:59 testing simple program... [ 38.738286] cgroup: Unknown subsys name 'net' [ 38.816873] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.475678] audit: type=1400 audit(1684373352.120:6): 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 [ 52.616188] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.618034] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.619221] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.622817] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.625073] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.626465] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.018175] ------------[ cut here ]------------ [ 53.018965] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.020884] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.022146] Modules linked in: [ 53.022699] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.027674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.028715] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.029405] 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 [ 53.031622] RSP: 0018:ffff88802023fc00 EFLAGS: 00010282 [ 53.032283] RAX: 0000000000000000 RBX: ffff88800f38e840 RCX: 0000000000000000 [ 53.033187] RDX: ffff88800f801b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.034075] RBP: ffff88800f38e854 R08: 0000000000000001 R09: 0000000000000000 [ 53.034984] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.035895] R13: ffffffff84e23fe0 R14: ffff88800f38e848 R15: ffffffff84d74dc0 [ 53.036838] FS: 00005555555a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.037890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.038681] CR2: 00007fe4ca4b86f4 CR3: 000000000f288000 CR4: 0000000000350ef0 [ 53.039623] Call Trace: [ 53.039972] [ 53.040304] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.040992] ipv4_frags_init_net+0x269/0x440 [ 53.041616] ops_init+0xbb/0x6b0 [ 53.042107] setup_net+0x3d9/0x990 [ 53.042671] ? down_read_killable+0x1d7/0x4e0 [ 53.043309] ? __pfx_setup_net+0x10/0x10 [ 53.043925] ? copy_net_ns+0x17c/0x770 [ 53.044533] copy_net_ns+0x321/0x770 [ 53.045070] create_new_namespaces+0x3f6/0xb30 [ 53.045763] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.046480] ksys_unshare+0x44d/0x8e0 [ 53.047038] ? __pfx_ksys_unshare+0x10/0x10 [ 53.047694] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.048512] __x64_sys_unshare+0x31/0x40 [ 53.049082] do_syscall_64+0x3f/0x90 [ 53.049659] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.050411] RIP: 0033:0x7f2cb8cc20d7 [ 53.050940] 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 [ 53.053361] RSP: 002b:00007fff9752ac18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.054461] RAX: ffffffffffffffda RBX: 00007fff9752b258 RCX: 00007f2cb8cc20d7 [ 53.055463] RDX: 00007f2cb8d2c41f RSI: 00007fff9752abb0 RDI: 0000000040000000 [ 53.056447] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9752a9c0 [ 53.057424] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2cb8dd4bf0 [ 53.058422] R13: 00007fff9752acf0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.059421] [ 53.059757] irq event stamp: 10341 [ 53.060245] hardirqs last enabled at (10351): [] __up_console_sem+0x78/0x80 [ 53.061451] hardirqs last disabled at (10362): [] __up_console_sem+0x5d/0x80 [ 53.062660] softirqs last enabled at (10246): [] irq_exit_rcu+0x93/0xc0 [ 53.063821] softirqs last disabled at (10241): [] irq_exit_rcu+0x93/0xc0 [ 53.064971] ---[ end trace 0000000000000000 ]--- [ 53.071294] ------------[ cut here ]------------ [ 53.071937] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.073655] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.074767] Modules linked in: [ 53.075199] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.076416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.077474] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.078187] 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 [ 53.080622] RSP: 0018:ffff88802023fc00 EFLAGS: 00010282 [ 53.081354] RAX: 0000000000000000 RBX: ffff88800d9e1040 RCX: 0000000000000000 [ 53.082407] RDX: ffff88800f801b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.083357] RBP: ffff88800d9e1054 R08: 0000000000000001 R09: 0000000000000000 [ 53.084363] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.085339] R13: ffffffff84e23fe0 R14: ffff88800d9e1048 R15: ffffffff84da7d60 [ 53.086329] FS: 00005555555a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.087434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.088214] CR2: 00007fe4ca4b86f4 CR3: 000000000f288000 CR4: 0000000000350ef0 [ 53.089219] Call Trace: [ 53.089629] [ 53.089964] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.090710] ipv6_frags_init_net+0x206/0x3c0 [ 53.091331] ops_init+0xbb/0x6b0 [ 53.091855] setup_net+0x3d9/0x990 [ 53.092348] ? down_read_killable+0x1d7/0x4e0 [ 53.092997] ? __pfx_setup_net+0x10/0x10 [ 53.093590] ? copy_net_ns+0x17c/0x770 [ 53.094152] copy_net_ns+0x321/0x770 [ 53.094734] create_new_namespaces+0x3f6/0xb30 [ 53.095415] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.096088] ksys_unshare+0x44d/0x8e0 [ 53.096663] ? __pfx_ksys_unshare+0x10/0x10 [ 53.097275] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.098098] __x64_sys_unshare+0x31/0x40 [ 53.098734] do_syscall_64+0x3f/0x90 [ 53.099256] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.100012] RIP: 0033:0x7f2cb8cc20d7 [ 53.100576] 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 [ 53.103024] RSP: 002b:00007fff9752ac18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.104083] RAX: ffffffffffffffda RBX: 00007fff9752b258 RCX: 00007f2cb8cc20d7 [ 53.105077] RDX: 00007f2cb8d2c41f RSI: 00007fff9752abb0 RDI: 0000000040000000 [ 53.106090] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9752a9c0 [ 53.107104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2cb8dd4bf0 [ 53.108103] R13: 00007fff9752acf0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.109130] [ 53.109501] irq event stamp: 12777 [ 53.109990] hardirqs last enabled at (12787): [] __up_console_sem+0x78/0x80 [ 53.111214] hardirqs last disabled at (12798): [] __up_console_sem+0x5d/0x80 [ 53.112409] softirqs last enabled at (11982): [] irq_exit_rcu+0x93/0xc0 [ 53.113585] softirqs last disabled at (11939): [] irq_exit_rcu+0x93/0xc0 [ 53.114770] ---[ end trace 0000000000000000 ]--- [ 53.116210] ------------[ cut here ]------------ [ 53.116908] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.118933] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.120106] Modules linked in: [ 53.120601] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.121872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.123020] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.123767] 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 [ 53.126200] RSP: 0018:ffff88802023fbf0 EFLAGS: 00010286 [ 53.126921] RAX: 0000000000000000 RBX: ffff88800d9e1a40 RCX: 0000000000000000 [ 53.127848] RDX: ffff88800f801b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.128770] RBP: ffff88800d9e1a54 R08: 0000000000000001 R09: 0000000000000000 [ 53.129704] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.130717] R13: ffffffff84e23fe0 R14: ffff88800d9e1a48 R15: ffffffff84db0aa0 [ 53.131719] FS: 00005555555a7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.132806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.133626] CR2: 00007fe4ca4b86f4 CR3: 000000000f288000 CR4: 0000000000350ef0 [ 53.134649] Call Trace: [ 53.135020] [ 53.135358] nf_ct_net_init+0x224/0x3d0 [ 53.135975] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.136642] ops_init+0xbb/0x6b0 [ 53.137139] setup_net+0x3d9/0x990 [ 53.137673] ? down_read_killable+0x1d7/0x4e0 [ 53.138333] ? __pfx_setup_net+0x10/0x10 [ 53.138937] ? copy_net_ns+0x17c/0x770 [ 53.139527] copy_net_ns+0x321/0x770 [ 53.140058] create_new_namespaces+0x3f6/0xb30 [ 53.140732] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.141446] ksys_unshare+0x44d/0x8e0 [ 53.141997] ? __pfx_ksys_unshare+0x10/0x10 [ 53.142668] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.143499] __x64_sys_unshare+0x31/0x40 [ 53.144066] do_syscall_64+0x3f/0x90 [ 53.144631] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.145339] RIP: 0033:0x7f2cb8cc20d7 [ 53.145883] 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 [ 53.148307] RSP: 002b:00007fff9752ac18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.149348] RAX: ffffffffffffffda RBX: 00007fff9752b258 RCX: 00007f2cb8cc20d7 [ 53.150322] RDX: 00007f2cb8d2c41f RSI: 00007fff9752abb0 RDI: 0000000040000000 [ 53.151301] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9752a9c0 [ 53.152283] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2cb8dd4bf0 [ 53.153282] R13: 00007fff9752acf0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.154289] [ 53.154650] irq event stamp: 13541 [ 53.155137] hardirqs last enabled at (13551): [] __up_console_sem+0x78/0x80 [ 53.156338] hardirqs last disabled at (13562): [] __up_console_sem+0x5d/0x80 [ 53.157532] softirqs last enabled at (12848): [] irq_exit_rcu+0x93/0xc0 [ 53.158711] softirqs last disabled at (12843): [] irq_exit_rcu+0x93/0xc0 [ 53.159887] ---[ end trace 0000000000000000 ]--- executing program [ 54.697137] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.744438] Bluetooth: hci0: command 0x041b tx timeout [ 58.792435] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.840482] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:29:12 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802023f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555555a7400 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=00007fe4ca4b86f4 CR3=000000000f288000 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=000000000002cc15 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007fc20b28a0a0 CR3=000000000e7bc000 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=2033313a39323a31302038312079614d XMM01=5d3939363232302e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000