syzkaller login: [ 30.974394] sshd (214) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:5055' (ECDSA) to the list of known hosts. 2023/05/16 14:36:48 fuzzer started 2023/05/16 14:36:48 dialing manager at localhost:35573 2023/05/16 14:36:48 checking machine... 2023/05/16 14:36:48 checking revisions... [ 35.783780] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:36:48 testing simple program... [ 35.857999] cgroup: Unknown subsys name 'net' [ 35.940375] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.800513] audit: type=1400 audit(1684247821.896:6): 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 [ 49.927618] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.929095] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.931030] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.935301] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.937224] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.938641] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.328704] ------------[ cut here ]------------ [ 50.329487] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.331896] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.333286] Modules linked in: [ 50.333927] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.339737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.341020] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.341860] 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 [ 50.344548] RSP: 0018:ffff88800f687c00 EFLAGS: 00010282 [ 50.345347] RAX: 0000000000000000 RBX: ffff888013dc9040 RCX: 0000000000000000 [ 50.346424] RDX: ffff888018c39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.347305] RBP: ffff888013dc9054 R08: 0000000000000001 R09: 0000000000000000 [ 50.348193] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.349068] R13: ffffffff84e223a0 R14: ffff888013dc9048 R15: ffffffff84d73340 [ 50.350191] FS: 0000555556229400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.351200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.351930] CR2: 00007fc15fdbd6f4 CR3: 000000000c994000 CR4: 0000000000350ee0 [ 50.352818] Call Trace: [ 50.353144] [ 50.353442] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.354120] ipv4_frags_init_net+0x269/0x440 [ 50.354707] ops_init+0xbb/0x6b0 [ 50.355146] setup_net+0x3d9/0x990 [ 50.355630] ? down_read_killable+0x1d7/0x4e0 [ 50.356191] ? __pfx_setup_net+0x10/0x10 [ 50.356720] ? copy_net_ns+0x17c/0x770 [ 50.357220] copy_net_ns+0x321/0x770 [ 50.357729] create_new_namespaces+0x3f6/0xb30 [ 50.358321] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.358958] ksys_unshare+0x44d/0x8e0 [ 50.359448] ? __pfx_ksys_unshare+0x10/0x10 [ 50.360019] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.360754] __x64_sys_unshare+0x31/0x40 [ 50.361267] do_syscall_64+0x3f/0x90 [ 50.361765] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.362404] RIP: 0033:0x7fc72ff120d7 [ 50.362900] 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 [ 50.365043] RSP: 002b:00007ffdb1cd30e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.365991] RAX: ffffffffffffffda RBX: 00007ffdb1cd3728 RCX: 00007fc72ff120d7 [ 50.366901] RDX: 00007fc72ff7c41f RSI: 00007ffdb1cd3080 RDI: 0000000040000000 [ 50.367811] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb1cd2e90 [ 50.368696] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc730024bf0 [ 50.369576] R13: 00007ffdb1cd31c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.370457] [ 50.370782] irq event stamp: 8611 [ 50.371203] hardirqs last enabled at (8621): [] __up_console_sem+0x78/0x80 [ 50.372253] hardirqs last disabled at (8632): [] __up_console_sem+0x5d/0x80 [ 50.373296] softirqs last enabled at (8272): [] irq_exit_rcu+0x93/0xc0 [ 50.374352] softirqs last disabled at (8261): [] irq_exit_rcu+0x93/0xc0 [ 50.375387] ---[ end trace 0000000000000000 ]--- [ 50.380342] ------------[ cut here ]------------ [ 50.380968] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.382689] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.383685] Modules linked in: [ 50.384072] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.385174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.386143] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.386786] 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 [ 50.388834] RSP: 0018:ffff88800f687c00 EFLAGS: 00010282 [ 50.389451] RAX: 0000000000000000 RBX: ffff88800ca6fc40 RCX: 0000000000000000 [ 50.390301] RDX: ffff888018c39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.391143] RBP: ffff88800ca6fc54 R08: 0000000000000001 R09: 0000000000000000 [ 50.391993] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.392830] R13: ffffffff84e223a0 R14: ffff88800ca6fc48 R15: ffffffff84da62e0 [ 50.393694] FS: 0000555556229400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.394708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.395421] CR2: 00007fc15fdbd6f4 CR3: 000000000c994000 CR4: 0000000000350ee0 [ 50.396309] Call Trace: [ 50.396663] [ 50.396953] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.397581] ipv6_frags_init_net+0x206/0x3c0 [ 50.398146] ops_init+0xbb/0x6b0 [ 50.398622] setup_net+0x3d9/0x990 [ 50.399082] ? down_read_killable+0x1d7/0x4e0 [ 50.399669] ? __pfx_setup_net+0x10/0x10 [ 50.400175] ? copy_net_ns+0x17c/0x770 [ 50.400701] copy_net_ns+0x321/0x770 [ 50.401172] create_new_namespaces+0x3f6/0xb30 [ 50.401780] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.402420] ksys_unshare+0x44d/0x8e0 [ 50.402933] ? __pfx_ksys_unshare+0x10/0x10 [ 50.403468] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.404211] __x64_sys_unshare+0x31/0x40 [ 50.404748] do_syscall_64+0x3f/0x90 [ 50.405218] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.405885] RIP: 0033:0x7fc72ff120d7 [ 50.406358] 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 [ 50.408508] RSP: 002b:00007ffdb1cd30e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.409434] RAX: ffffffffffffffda RBX: 00007ffdb1cd3728 RCX: 00007fc72ff120d7 [ 50.410319] RDX: 00007fc72ff7c41f RSI: 00007ffdb1cd3080 RDI: 0000000040000000 [ 50.411195] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb1cd2e90 [ 50.412074] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc730024bf0 [ 50.412953] R13: 00007ffdb1cd31c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.413890] [ 50.414203] irq event stamp: 10189 [ 50.414663] hardirqs last enabled at (10201): [] __up_console_sem+0x78/0x80 [ 50.415722] hardirqs last disabled at (10212): [] __up_console_sem+0x5d/0x80 [ 50.416784] softirqs last enabled at (10174): [] irq_exit_rcu+0x93/0xc0 [ 50.417810] softirqs last disabled at (10145): [] irq_exit_rcu+0x93/0xc0 [ 50.418872] ---[ end trace 0000000000000000 ]--- [ 50.420175] ------------[ cut here ]------------ [ 50.420783] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.422716] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.423766] Modules linked in: [ 50.424166] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.425308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.426346] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.427024] 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 [ 50.429151] RSP: 0018:ffff88800f687bf0 EFLAGS: 00010286 [ 50.429834] RAX: 0000000000000000 RBX: ffff888013dc2040 RCX: 0000000000000000 [ 50.430739] RDX: ffff888018c39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.431621] RBP: ffff888013dc2054 R08: 0000000000000001 R09: 0000000000000000 [ 50.432480] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.433384] R13: ffffffff84e223a0 R14: ffff888013dc2048 R15: ffffffff84daf020 [ 50.434280] FS: 0000555556229400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.435280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.436127] CR2: 00007fc15fdbd6f4 CR3: 000000000c994000 CR4: 0000000000350ee0 [ 50.437008] Call Trace: [ 50.437334] [ 50.437672] nf_ct_net_init+0x224/0x3d0 [ 50.438196] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.438801] ops_init+0xbb/0x6b0 [ 50.439247] setup_net+0x3d9/0x990 [ 50.439735] ? down_read_killable+0x1d7/0x4e0 [ 50.440297] ? __pfx_setup_net+0x10/0x10 [ 50.440853] ? copy_net_ns+0x17c/0x770 [ 50.441366] copy_net_ns+0x321/0x770 [ 50.441896] create_new_namespaces+0x3f6/0xb30 [ 50.442557] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.443199] ksys_unshare+0x44d/0x8e0 [ 50.443737] ? __pfx_ksys_unshare+0x10/0x10 [ 50.444328] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.445090] __x64_sys_unshare+0x31/0x40 [ 50.445647] do_syscall_64+0x3f/0x90 [ 50.446129] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.446791] RIP: 0033:0x7fc72ff120d7 [ 50.447267] 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 [ 50.449504] RSP: 002b:00007ffdb1cd30e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.450561] RAX: ffffffffffffffda RBX: 00007ffdb1cd3728 RCX: 00007fc72ff120d7 [ 50.451446] RDX: 00007fc72ff7c41f RSI: 00007ffdb1cd3080 RDI: 0000000040000000 [ 50.452349] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb1cd2e90 [ 50.453240] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc730024bf0 [ 50.454139] R13: 00007ffdb1cd31c0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.455065] [ 50.455372] irq event stamp: 10945 [ 50.455838] hardirqs last enabled at (10957): [] __up_console_sem+0x78/0x80 [ 50.456911] hardirqs last disabled at (10968): [] __up_console_sem+0x5d/0x80 [ 50.457990] softirqs last enabled at (10852): [] irq_exit_rcu+0x93/0xc0 [ 50.459065] softirqs last disabled at (10847): [] irq_exit_rcu+0x93/0xc0 [ 50.460118] ---[ end trace 0000000000000000 ]--- executing program [ 51.950307] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.998271] Bluetooth: hci0: command 0x041b tx timeout [ 56.045586] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.093592] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:37:01 Registers: info registers vcpu 0 RAX=000000000001d4c7 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=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 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=00007f3bc84f2a80 CR3=0000000016432000 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=4417766af71722a0e04b6245b5be023b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4dcbcef510ebe1ce000000000013cb58 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9286a2a3edaf120b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f6875f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555556229400 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=00007fc15fdbd6f4 CR3=000000000c994000 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