Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39469' (ECDSA) to the list of known hosts. 2023/05/17 16:57:33 fuzzer started 2023/05/17 16:57:34 dialing manager at localhost:44319 2023/05/17 16:57:34 checking machine... 2023/05/17 16:57:34 checking revisions... syzkaller login: [ 40.593697] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:57:34 testing simple program... [ 40.669646] cgroup: Unknown subsys name 'net' [ 40.754852] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.167233] audit: type=1400 audit(1684342666.964:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 54.286294] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.287961] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.289792] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.293654] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.295230] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.296561] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.685939] ------------[ cut here ]------------ [ 54.687482] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.689387] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.690616] Modules linked in: [ 54.691028] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.695961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.697077] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.697873] 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 [ 54.700281] RSP: 0018:ffff8880102c7c00 EFLAGS: 00010282 [ 54.700973] RAX: 0000000000000000 RBX: ffff88800957a440 RCX: 0000000000000000 [ 54.702016] RDX: ffff888019120000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.703083] RBP: ffff88800957a454 R08: 0000000000000001 R09: 0000000000000000 [ 54.704359] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.705329] R13: ffffffff84e23fe0 R14: ffff88800957a448 R15: ffffffff84d74dc0 [ 54.706282] FS: 0000555557328400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.707369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.708152] CR2: 00007fe5171ab6f4 CR3: 000000000ddfa000 CR4: 0000000000350ee0 [ 54.709070] Call Trace: [ 54.709456] [ 54.709773] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.710470] ipv4_frags_init_net+0x269/0x440 [ 54.711088] ops_init+0xbb/0x6b0 [ 54.711598] setup_net+0x3d9/0x990 [ 54.712076] ? down_read_killable+0x1d7/0x4e0 [ 54.712719] ? __pfx_setup_net+0x10/0x10 [ 54.713294] ? copy_net_ns+0x17c/0x770 [ 54.713833] copy_net_ns+0x321/0x770 [ 54.714380] create_new_namespaces+0x3f6/0xb30 [ 54.715052] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.715750] ksys_unshare+0x44d/0x8e0 [ 54.716309] ? __pfx_ksys_unshare+0x10/0x10 [ 54.716898] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.717701] __x64_sys_unshare+0x31/0x40 [ 54.718286] do_syscall_64+0x3f/0x90 [ 54.718814] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.719536] RIP: 0033:0x7fd44c7d40d7 [ 54.720032] 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 [ 54.722359] RSP: 002b:00007fff9d180248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.723378] RAX: ffffffffffffffda RBX: 00007fff9d180888 RCX: 00007fd44c7d40d7 [ 54.724320] RDX: 00007fd44c83e41f RSI: 00007fff9d1801e0 RDI: 0000000040000000 [ 54.725230] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9d17fff0 [ 54.726149] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd44c8e6bf0 [ 54.727063] R13: 00007fff9d180320 R14: 0000000000000000 R15: 00000000000000f8 [ 54.728024] [ 54.728379] irq event stamp: 9145 [ 54.728839] hardirqs last enabled at (9155): [] __up_console_sem+0x78/0x80 [ 54.729947] hardirqs last disabled at (9166): [] __up_console_sem+0x5d/0x80 [ 54.731122] softirqs last enabled at (8770): [] irq_exit_rcu+0x93/0xc0 [ 54.732219] softirqs last disabled at (8717): [] irq_exit_rcu+0x93/0xc0 [ 54.733324] ---[ end trace 0000000000000000 ]--- [ 54.739812] ------------[ cut here ]------------ [ 54.740565] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.742298] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.743406] Modules linked in: [ 54.743821] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.744996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.746032] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.746748] 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 [ 54.748991] RSP: 0018:ffff8880102c7c00 EFLAGS: 00010282 [ 54.749716] RAX: 0000000000000000 RBX: ffff88800dc93640 RCX: 0000000000000000 [ 54.750670] RDX: ffff888019120000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.751604] RBP: ffff88800dc93654 R08: 0000000000000001 R09: 0000000000000000 [ 54.752536] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.753483] R13: ffffffff84e23fe0 R14: ffff88800dc93648 R15: ffffffff84da7d60 [ 54.754428] FS: 0000555557328400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.755497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.756288] CR2: 00007fe5171ab6f4 CR3: 000000000ddfa000 CR4: 0000000000350ee0 [ 54.757246] Call Trace: [ 54.757588] [ 54.757899] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.758601] ipv6_frags_init_net+0x206/0x3c0 [ 54.759231] ops_init+0xbb/0x6b0 [ 54.759707] setup_net+0x3d9/0x990 [ 54.760221] ? down_read_killable+0x1d7/0x4e0 [ 54.760821] ? __pfx_setup_net+0x10/0x10 [ 54.761392] ? copy_net_ns+0x17c/0x770 [ 54.761926] copy_net_ns+0x321/0x770 [ 54.762474] create_new_namespaces+0x3f6/0xb30 [ 54.763141] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.763790] ksys_unshare+0x44d/0x8e0 [ 54.764342] ? __pfx_ksys_unshare+0x10/0x10 [ 54.764919] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.765710] __x64_sys_unshare+0x31/0x40 [ 54.766289] do_syscall_64+0x3f/0x90 [ 54.766806] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.767527] RIP: 0033:0x7fd44c7d40d7 [ 54.768021] 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 [ 54.770313] RSP: 002b:00007fff9d180248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.771335] RAX: ffffffffffffffda RBX: 00007fff9d180888 RCX: 00007fd44c7d40d7 [ 54.772275] RDX: 00007fd44c83e41f RSI: 00007fff9d1801e0 RDI: 0000000040000000 [ 54.773214] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9d17fff0 [ 54.774149] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd44c8e6bf0 [ 54.775071] R13: 00007fff9d180320 R14: 0000000000000000 R15: 00000000000000f8 [ 54.776041] [ 54.776394] irq event stamp: 11327 [ 54.776850] hardirqs last enabled at (11337): [] __up_console_sem+0x78/0x80 [ 54.777992] hardirqs last disabled at (11348): [] __up_console_sem+0x5d/0x80 [ 54.779139] softirqs last enabled at (10808): [] irq_exit_rcu+0x93/0xc0 [ 54.780288] softirqs last disabled at (10763): [] irq_exit_rcu+0x93/0xc0 [ 54.781404] ---[ end trace 0000000000000000 ]--- [ 54.782924] ------------[ cut here ]------------ [ 54.783575] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.785533] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.786670] Modules linked in: [ 54.787135] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.788342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.789413] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.790126] 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 [ 54.792444] RSP: 0018:ffff8880102c7bf0 EFLAGS: 00010286 [ 54.793171] RAX: 0000000000000000 RBX: ffff88800ef5d440 RCX: 0000000000000000 [ 54.794074] RDX: ffff888019120000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.795038] RBP: ffff88800ef5d454 R08: 0000000000000001 R09: 0000000000000000 [ 54.795983] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.796925] R13: ffffffff84e23fe0 R14: ffff88800ef5d448 R15: ffffffff84db0aa0 [ 54.797867] FS: 0000555557328400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.798927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.799741] CR2: 00007fe5171ab6f4 CR3: 000000000ddfa000 CR4: 0000000000350ee0 [ 54.800674] Call Trace: [ 54.801018] [ 54.801370] nf_ct_net_init+0x224/0x3d0 [ 54.801915] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.802576] ops_init+0xbb/0x6b0 [ 54.803055] setup_net+0x3d9/0x990 [ 54.803570] ? down_read_killable+0x1d7/0x4e0 [ 54.804204] ? __pfx_setup_net+0x10/0x10 [ 54.804745] ? copy_net_ns+0x17c/0x770 [ 54.805322] copy_net_ns+0x321/0x770 [ 54.805833] create_new_namespaces+0x3f6/0xb30 [ 54.806490] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.807187] ksys_unshare+0x44d/0x8e0 [ 54.807702] ? __pfx_ksys_unshare+0x10/0x10 [ 54.808306] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.809066] __x64_sys_unshare+0x31/0x40 [ 54.809642] do_syscall_64+0x3f/0x90 [ 54.810183] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.810869] RIP: 0033:0x7fd44c7d40d7 [ 54.811393] 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 [ 54.813683] RSP: 002b:00007fff9d180248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.814708] RAX: ffffffffffffffda RBX: 00007fff9d180888 RCX: 00007fd44c7d40d7 [ 54.815635] RDX: 00007fd44c83e41f RSI: 00007fff9d1801e0 RDI: 0000000040000000 [ 54.816572] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9d17fff0 [ 54.817493] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd44c8e6bf0 [ 54.818421] R13: 00007fff9d180320 R14: 0000000000000000 R15: 00000000000000f8 [ 54.819387] [ 54.819697] irq event stamp: 12087 [ 54.820188] hardirqs last enabled at (12099): [] __up_console_sem+0x78/0x80 [ 54.821307] hardirqs last disabled at (12110): [] __up_console_sem+0x5d/0x80 [ 54.822416] softirqs last enabled at (11758): [] irq_exit_rcu+0x93/0xc0 [ 54.823528] softirqs last disabled at (11751): [] irq_exit_rcu+0x93/0xc0 [ 54.824610] ---[ end trace 0000000000000000 ]--- executing program [ 56.310730] Bluetooth: hci0: command 0x0409 tx timeout [ 58.357818] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.405331] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.453253] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:57:44 Registers: info registers vcpu 0 RAX=000000000001e8bb RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007fba0dcc1ee0 CR3=000000000fa0a000 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=2038343a37353a36312037312079614d XMM01=5d3238343738362e34352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880102c75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555557328400 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=00007fe5171ab6f4 CR3=000000000ddfa000 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