syzkaller login: [ 88.831866] sshd (210) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:57288' (ECDSA) to the list of known hosts. 2023/05/17 12:50:55 fuzzer started 2023/05/17 12:50:56 dialing manager at localhost:44319 2023/05/17 12:50:56 checking machine... 2023/05/17 12:50:56 checking revisions... [ 93.505445] kmemleak: Automatic memory scanning thread ended 2023/05/17 12:50:56 testing simple program... [ 93.583131] cgroup: Unknown subsys name 'net' [ 93.673631] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 107.878178] audit: type=1400 audit(1684327870.828:6): 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 executing program [ 108.989348] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 108.990870] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 108.993022] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 108.996393] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 108.997815] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 108.999384] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.422407] ------------[ cut here ]------------ [ 109.423197] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 109.425114] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 109.426198] Modules linked in: [ 109.426621] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 109.431322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.432329] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 109.433003] 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 [ 109.435213] RSP: 0018:ffff88801828fc00 EFLAGS: 00010282 [ 109.435866] RAX: 0000000000000000 RBX: ffff888010344040 RCX: 0000000000000000 [ 109.436752] RDX: ffff888016d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 109.437629] RBP: ffff888010344054 R08: 0000000000000001 R09: 0000000000000000 [ 109.438522] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 109.439404] R13: ffffffff84e23fe0 R14: ffff888010344048 R15: ffffffff84d74dc0 [ 109.440297] FS: 00005555565ed400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 109.441289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.442016] CR2: 00007fe348b5f260 CR3: 000000001a028000 CR4: 0000000000350ee0 [ 109.442891] Call Trace: [ 109.443247] [ 109.443547] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 109.444200] ipv4_frags_init_net+0x269/0x440 [ 109.444754] ops_init+0xbb/0x6b0 [ 109.445226] setup_net+0x3d9/0x990 [ 109.445686] ? down_read_killable+0x1d7/0x4e0 [ 109.446283] ? __pfx_setup_net+0x10/0x10 [ 109.446800] ? copy_net_ns+0x17c/0x770 [ 109.447329] copy_net_ns+0x321/0x770 [ 109.447813] create_new_namespaces+0x3f6/0xb30 [ 109.448428] unshare_nsproxy_namespaces+0xc1/0x200 [ 109.449071] ksys_unshare+0x44d/0x8e0 [ 109.449555] ? __pfx_ksys_unshare+0x10/0x10 [ 109.450125] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 109.450845] __x64_sys_unshare+0x31/0x40 [ 109.451379] do_syscall_64+0x3f/0x90 [ 109.451860] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 109.452523] RIP: 0033:0x7fd4a79ab0d7 [ 109.453001] 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 [ 109.455174] RSP: 002b:00007ffd58a98718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 109.456139] RAX: ffffffffffffffda RBX: 00007ffd58a98d58 RCX: 00007fd4a79ab0d7 [ 109.457041] RDX: 00007fd4a7a1541f RSI: 00007ffd58a986b0 RDI: 0000000040000000 [ 109.457915] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd58a984c0 [ 109.458853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd4a7abdbf0 [ 109.459771] R13: 00007ffd58a987f0 R14: 0000000000000000 R15: 00000000000000f8 [ 109.460710] [ 109.461045] irq event stamp: 8261 [ 109.461477] hardirqs last enabled at (8271): [] __up_console_sem+0x78/0x80 [ 109.462585] hardirqs last disabled at (8282): [] __up_console_sem+0x5d/0x80 [ 109.463667] softirqs last enabled at (7590): [] irq_exit_rcu+0x93/0xc0 [ 109.464729] softirqs last disabled at (7421): [] irq_exit_rcu+0x93/0xc0 [ 109.465781] ---[ end trace 0000000000000000 ]--- [ 109.471624] ------------[ cut here ]------------ [ 109.472270] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 109.474199] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 109.475285] Modules linked in: [ 109.475689] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 109.476853] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.477863] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 109.478538] 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 [ 109.480684] RSP: 0018:ffff88801828fc00 EFLAGS: 00010282 [ 109.481372] RAX: 0000000000000000 RBX: ffff88800eb66840 RCX: 0000000000000000 [ 109.482243] RDX: ffff888016d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 109.483129] RBP: ffff88800eb66854 R08: 0000000000000001 R09: 0000000000000000 [ 109.483962] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 109.484837] R13: ffffffff84e23fe0 R14: ffff88800eb66848 R15: ffffffff84da7d60 [ 109.485710] FS: 00005555565ed400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 109.486693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.487424] CR2: 00007fe348b5f260 CR3: 000000001a028000 CR4: 0000000000350ee0 [ 109.488269] Call Trace: [ 109.488577] [ 109.488861] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 109.489470] ipv6_frags_init_net+0x206/0x3c0 [ 109.490029] ops_init+0xbb/0x6b0 [ 109.490465] setup_net+0x3d9/0x990 [ 109.490894] ? down_read_killable+0x1d7/0x4e0 [ 109.491460] ? __pfx_setup_net+0x10/0x10 [ 109.491946] ? copy_net_ns+0x17c/0x770 [ 109.492461] copy_net_ns+0x321/0x770 [ 109.492922] create_new_namespaces+0x3f6/0xb30 [ 109.493504] unshare_nsproxy_namespaces+0xc1/0x200 [ 109.494116] ksys_unshare+0x44d/0x8e0 [ 109.494595] ? __pfx_ksys_unshare+0x10/0x10 [ 109.495140] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 109.495808] __x64_sys_unshare+0x31/0x40 [ 109.496330] do_syscall_64+0x3f/0x90 [ 109.496784] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 109.497430] RIP: 0033:0x7fd4a79ab0d7 [ 109.497881] 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 [ 109.499993] RSP: 002b:00007ffd58a98718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 109.500876] RAX: ffffffffffffffda RBX: 00007ffd58a98d58 RCX: 00007fd4a79ab0d7 [ 109.501749] RDX: 00007fd4a7a1541f RSI: 00007ffd58a986b0 RDI: 0000000040000000 [ 109.502647] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd58a984c0 [ 109.503465] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd4a7abdbf0 [ 109.504291] R13: 00007ffd58a987f0 R14: 0000000000000000 R15: 00000000000000f8 [ 109.505144] [ 109.505426] irq event stamp: 10097 [ 109.505832] hardirqs last enabled at (10107): [] __up_console_sem+0x78/0x80 [ 109.506840] hardirqs last disabled at (10118): [] __up_console_sem+0x5d/0x80 [ 109.507832] softirqs last enabled at (9638): [] irq_exit_rcu+0x93/0xc0 [ 109.508823] softirqs last disabled at (9633): [] irq_exit_rcu+0x93/0xc0 [ 109.509820] ---[ end trace 0000000000000000 ]--- [ 109.511184] ------------[ cut here ]------------ [ 109.511748] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 109.513586] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 109.514620] Modules linked in: [ 109.515032] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 109.516118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.517073] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 109.517675] 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 [ 109.519709] RSP: 0018:ffff88801828fbf0 EFLAGS: 00010286 [ 109.520351] RAX: 0000000000000000 RBX: ffff88800eb66240 RCX: 0000000000000000 [ 109.521176] RDX: ffff888016d21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 109.522050] RBP: ffff88800eb66254 R08: 0000000000000001 R09: 0000000000000000 [ 109.522903] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 109.523776] R13: ffffffff84e23fe0 R14: ffff88800eb66248 R15: ffffffff84db0aa0 [ 109.524650] FS: 00005555565ed400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 109.525627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.526344] CR2: 00007fe348b5f260 CR3: 000000001a028000 CR4: 0000000000350ee0 [ 109.527272] Call Trace: [ 109.527592] [ 109.527885] nf_ct_net_init+0x224/0x3d0 [ 109.528425] ? __pfx_nf_ct_net_init+0x10/0x10 [ 109.529024] ops_init+0xbb/0x6b0 [ 109.529465] setup_net+0x3d9/0x990 [ 109.529910] ? down_read_killable+0x1d7/0x4e0 [ 109.530500] ? __pfx_setup_net+0x10/0x10 [ 109.531018] ? copy_net_ns+0x17c/0x770 [ 109.531500] copy_net_ns+0x321/0x770 [ 109.531960] create_new_namespaces+0x3f6/0xb30 [ 109.532536] unshare_nsproxy_namespaces+0xc1/0x200 [ 109.533142] ksys_unshare+0x44d/0x8e0 [ 109.533606] ? __pfx_ksys_unshare+0x10/0x10 [ 109.534153] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 109.534834] __x64_sys_unshare+0x31/0x40 [ 109.535367] do_syscall_64+0x3f/0x90 [ 109.535838] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 109.536497] RIP: 0033:0x7fd4a79ab0d7 [ 109.536943] 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 [ 109.539081] RSP: 002b:00007ffd58a98718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 109.539961] RAX: ffffffffffffffda RBX: 00007ffd58a98d58 RCX: 00007fd4a79ab0d7 [ 109.540811] RDX: 00007fd4a7a1541f RSI: 00007ffd58a986b0 RDI: 0000000040000000 [ 109.541636] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd58a984c0 [ 109.542468] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd4a7abdbf0 [ 109.543300] R13: 00007ffd58a987f0 R14: 0000000000000000 R15: 00000000000000f8 [ 109.544149] [ 109.544434] irq event stamp: 10839 [ 109.544846] hardirqs last enabled at (10849): [] __up_console_sem+0x78/0x80 [ 109.545837] hardirqs last disabled at (10860): [] __up_console_sem+0x5d/0x80 [ 109.546842] softirqs last enabled at (10748): [] irq_exit_rcu+0x93/0xc0 [ 109.547812] softirqs last disabled at (10743): [] irq_exit_rcu+0x93/0xc0 [ 109.548779] ---[ end trace 0000000000000000 ]--- [ 111.070610] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 113.117061] Bluetooth: hci0: command 0x041b tx timeout executing program [ 115.165032] Bluetooth: hci0: command 0x040f tx timeout [ 117.213061] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:50:14 Registers: info registers vcpu 0 RAX=0000000000028f13 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=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=00007fc35569dd10 CR3=000000000dd50000 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=2032313a31353a32312037312079614d XMM01=5d3431313532342e39303120205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3431313532342e39303120205b XMM07=79732032313a31353a32312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801828f5f0 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 00005555565ed400 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=00007fe348b5f260 CR3=000000001a028000 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