Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:42600' (ECDSA) to the list of known hosts. 2023/05/16 18:27:21 fuzzer started 2023/05/16 18:27:21 dialing manager at localhost:35573 2023/05/16 18:27:21 checking machine... 2023/05/16 18:27:21 checking revisions... syzkaller login: [ 30.517615] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:27:21 testing simple program... [ 30.586804] cgroup: Unknown subsys name 'net' [ 30.660353] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.847339] audit: type=1400 audit(1684261655.022:6): 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 [ 45.021319] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.023088] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.026924] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.030726] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.033736] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.035189] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 45.420268] ------------[ cut here ]------------ [ 45.421630] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.423318] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.424369] Modules linked in: [ 45.424810] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.429359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.430367] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.431055] 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 [ 45.433191] RSP: 0018:ffff888018657c00 EFLAGS: 00010282 [ 45.433861] RAX: 0000000000000000 RBX: ffff88800e79fc40 RCX: 0000000000000000 [ 45.434755] RDX: ffff888006930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.435625] RBP: ffff88800e79fc54 R08: 0000000000000001 R09: 0000000000000000 [ 45.436517] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.437344] R13: ffffffff84e223a0 R14: ffff88800e79fc48 R15: ffffffff84d73340 [ 45.438237] FS: 0000555556fa2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.439242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.439969] CR2: 00007f30af1d86f4 CR3: 000000000dc50000 CR4: 0000000000350ef0 [ 45.440844] Call Trace: [ 45.441165] [ 45.441495] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.442097] ipv4_frags_init_net+0x269/0x440 [ 45.442687] ops_init+0xbb/0x6b0 [ 45.443125] setup_net+0x3d9/0x990 [ 45.443596] ? down_read_killable+0x1d7/0x4e0 [ 45.444157] ? __pfx_setup_net+0x10/0x10 [ 45.444687] ? copy_net_ns+0x17c/0x770 [ 45.445189] copy_net_ns+0x321/0x770 [ 45.445696] create_new_namespaces+0x3f6/0xb30 [ 45.446280] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.446923] ksys_unshare+0x44d/0x8e0 [ 45.447410] ? __pfx_ksys_unshare+0x10/0x10 [ 45.447984] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.448715] __x64_sys_unshare+0x31/0x40 [ 45.449229] do_syscall_64+0x3f/0x90 [ 45.449727] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.450343] RIP: 0033:0x7f684ef6e0d7 [ 45.450848] 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 [ 45.452975] RSP: 002b:00007ffd6d6572b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.453903] RAX: ffffffffffffffda RBX: 00007ffd6d6578f8 RCX: 00007f684ef6e0d7 [ 45.454909] RDX: 00007f684efd841f RSI: 00007ffd6d657250 RDI: 0000000040000000 [ 45.455776] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6d657060 [ 45.456636] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f684f080bf0 [ 45.457504] R13: 00007ffd6d657390 R14: 0000000000000000 R15: 00000000000000f8 [ 45.458366] [ 45.458713] irq event stamp: 8117 [ 45.459134] hardirqs last enabled at (8127): [] __up_console_sem+0x78/0x80 [ 45.460157] hardirqs last disabled at (8138): [] __up_console_sem+0x5d/0x80 [ 45.461179] softirqs last enabled at (7598): [] irq_exit_rcu+0x93/0xc0 [ 45.462201] softirqs last disabled at (7265): [] irq_exit_rcu+0x93/0xc0 [ 45.463201] ---[ end trace 0000000000000000 ]--- [ 45.469232] ------------[ cut here ]------------ [ 45.469887] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.471536] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.472559] Modules linked in: [ 45.472957] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.474091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.475080] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.475745] 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 [ 45.477866] RSP: 0018:ffff888018657c00 EFLAGS: 00010282 [ 45.478529] RAX: 0000000000000000 RBX: ffff88800e637840 RCX: 0000000000000000 [ 45.479376] RDX: ffff888006930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.480244] RBP: ffff88800e637854 R08: 0000000000000001 R09: 0000000000000000 [ 45.481115] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.481990] R13: ffffffff84e223a0 R14: ffff88800e637848 R15: ffffffff84da62e0 [ 45.482878] FS: 0000555556fa2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.483862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.484574] CR2: 00007f30af1d86f4 CR3: 000000000dc50000 CR4: 0000000000350ef0 [ 45.485414] Call Trace: [ 45.485770] [ 45.486061] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.486704] ipv6_frags_init_net+0x206/0x3c0 [ 45.487251] ops_init+0xbb/0x6b0 [ 45.487716] setup_net+0x3d9/0x990 [ 45.488157] ? down_read_killable+0x1d7/0x4e0 [ 45.488743] ? __pfx_setup_net+0x10/0x10 [ 45.489242] ? copy_net_ns+0x17c/0x770 [ 45.489759] copy_net_ns+0x321/0x770 [ 45.490226] create_new_namespaces+0x3f6/0xb30 [ 45.490849] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.491482] ksys_unshare+0x44d/0x8e0 [ 45.491965] ? __pfx_ksys_unshare+0x10/0x10 [ 45.492526] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.493227] __x64_sys_unshare+0x31/0x40 [ 45.493758] do_syscall_64+0x3f/0x90 [ 45.494224] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.494909] RIP: 0033:0x7f684ef6e0d7 [ 45.495370] 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 [ 45.497506] RSP: 002b:00007ffd6d6572b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.498390] RAX: ffffffffffffffda RBX: 00007ffd6d6578f8 RCX: 00007f684ef6e0d7 [ 45.499288] RDX: 00007f684efd841f RSI: 00007ffd6d657250 RDI: 0000000040000000 [ 45.500162] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6d657060 [ 45.501034] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f684f080bf0 [ 45.501904] R13: 00007ffd6d657390 R14: 0000000000000000 R15: 00000000000000f8 [ 45.502816] [ 45.503110] irq event stamp: 10271 [ 45.503608] hardirqs last enabled at (10291): [] __up_console_sem+0x78/0x80 [ 45.504677] hardirqs last disabled at (10302): [] __up_console_sem+0x5d/0x80 [ 45.505722] softirqs last enabled at (10286): [] irq_exit_rcu+0x93/0xc0 [ 45.506758] softirqs last disabled at (10279): [] irq_exit_rcu+0x93/0xc0 [ 45.507781] ---[ end trace 0000000000000000 ]--- [ 45.510638] ------------[ cut here ]------------ [ 45.511245] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.513116] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.514302] Modules linked in: [ 45.514958] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.516234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.517397] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.518230] 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 [ 45.520717] RSP: 0018:ffff888018657bf0 EFLAGS: 00010286 [ 45.521415] RAX: 0000000000000000 RBX: ffff88801460ea40 RCX: 0000000000000000 [ 45.522725] RDX: ffff888006930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.523829] RBP: ffff88801460ea54 R08: 0000000000000001 R09: 0000000000000000 [ 45.524929] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.525943] R13: ffffffff84e223a0 R14: ffff88801460ea48 R15: ffffffff84daf020 [ 45.527005] FS: 0000555556fa2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.528124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.529015] CR2: 00007f2ccea68e80 CR3: 000000000dc50000 CR4: 0000000000350ee0 [ 45.530032] Call Trace: [ 45.530368] [ 45.530832] nf_ct_net_init+0x224/0x3d0 [ 45.531350] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.532087] ops_init+0xbb/0x6b0 [ 45.532693] setup_net+0x3d9/0x990 [ 45.533152] ? down_read_killable+0x1d7/0x4e0 [ 45.533867] ? __pfx_setup_net+0x10/0x10 [ 45.534375] ? copy_net_ns+0x17c/0x770 [ 45.535078] copy_net_ns+0x321/0x770 [ 45.535761] create_new_namespaces+0x3f6/0xb30 [ 45.536341] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.537162] ksys_unshare+0x44d/0x8e0 [ 45.537820] ? __pfx_ksys_unshare+0x10/0x10 [ 45.538375] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.539324] __x64_sys_unshare+0x31/0x40 [ 45.540060] do_syscall_64+0x3f/0x90 [ 45.540741] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.541652] RIP: 0033:0x7f684ef6e0d7 [ 45.542116] 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 [ 45.544682] RSP: 002b:00007ffd6d6572b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.545845] RAX: ffffffffffffffda RBX: 00007ffd6d6578f8 RCX: 00007f684ef6e0d7 [ 45.546957] RDX: 00007f684efd841f RSI: 00007ffd6d657250 RDI: 0000000040000000 [ 45.548082] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6d657060 [ 45.549135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f684f080bf0 [ 45.550211] R13: 00007ffd6d657390 R14: 0000000000000000 R15: 00000000000000f8 [ 45.551352] [ 45.551827] irq event stamp: 13959 [ 45.552257] hardirqs last enabled at (13969): [] __up_console_sem+0x78/0x80 [ 45.553471] hardirqs last disabled at (14046): [] __up_console_sem+0x5d/0x80 [ 45.554713] softirqs last enabled at (14144): [] irq_exit_rcu+0x93/0xc0 [ 45.555905] softirqs last disabled at (14157): [] irq_exit_rcu+0x93/0xc0 [ 45.557048] ---[ end trace 0000000000000000 ]--- [ 47.104071] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.151645] Bluetooth: hci0: command 0x041b tx timeout [ 51.199504] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.247603] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:27:35 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880186575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555556fa2400 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=00007f30af1d86f4 CR3=000000000dc50000 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=0000000000021541 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=00007f2ccea5d780 CR3=0000000016fec000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3578302b6d65735f656c6f736e6f6300 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000