syzkaller login: [ 43.205142] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:59849' (ECDSA) to the list of known hosts. 2023/05/16 12:48:04 fuzzer started 2023/05/16 12:48:05 dialing manager at localhost:35573 2023/05/16 12:48:05 checking machine... 2023/05/16 12:48:05 checking revisions... [ 45.002226] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:48:05 testing simple program... [ 45.069866] cgroup: Unknown subsys name 'net' [ 45.156697] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.966777] audit: type=1400 audit(1684241298.191:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.083698] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.086330] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.087479] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.091260] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.092688] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.094717] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.470081] ------------[ cut here ]------------ [ 59.470725] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.472446] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.473712] Modules linked in: [ 59.474270] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.479152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.480326] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.481162] 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 [ 59.483499] RSP: 0018:ffff88801a1ffc00 EFLAGS: 00010282 [ 59.484222] RAX: 0000000000000000 RBX: ffff88800e6d5840 RCX: 0000000000000000 [ 59.485157] RDX: ffff88800d661b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.486081] RBP: ffff88800e6d5854 R08: 0000000000000001 R09: 0000000000000000 [ 59.486973] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.487896] R13: ffffffff84e223a0 R14: ffff88800e6d5848 R15: ffffffff84d73340 [ 59.488867] FS: 0000555556c9d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.489904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.490676] CR2: 00007efe6bb8b6f4 CR3: 0000000020538000 CR4: 0000000000350ee0 [ 59.491609] Call Trace: [ 59.491948] [ 59.492294] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.492960] ipv4_frags_init_net+0x269/0x440 [ 59.493577] ops_init+0xbb/0x6b0 [ 59.494069] setup_net+0x3d9/0x990 [ 59.494543] ? down_read_killable+0x1d7/0x4e0 [ 59.495166] ? __pfx_setup_net+0x10/0x10 [ 59.495695] ? copy_net_ns+0x17c/0x770 [ 59.496252] copy_net_ns+0x321/0x770 [ 59.496760] create_new_namespaces+0x3f6/0xb30 [ 59.497397] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.498078] ksys_unshare+0x44d/0x8e0 [ 59.498587] ? __pfx_ksys_unshare+0x10/0x10 [ 59.499192] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.499931] __x64_sys_unshare+0x31/0x40 [ 59.500516] do_syscall_64+0x3f/0x90 [ 59.501090] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.501753] RIP: 0033:0x7f29858b90d7 [ 59.502274] 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 [ 59.504536] RSP: 002b:00007ffd176a4ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.505556] RAX: ffffffffffffffda RBX: 00007ffd176a5528 RCX: 00007f29858b90d7 [ 59.506489] RDX: 00007f298592341f RSI: 00007ffd176a4e80 RDI: 0000000040000000 [ 59.507417] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd176a4c90 [ 59.508341] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f29859cbbf0 [ 59.509282] R13: 00007ffd176a4fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.510220] [ 59.510533] irq event stamp: 8339 [ 59.510972] hardirqs last enabled at (8349): [] __up_console_sem+0x78/0x80 [ 59.512112] hardirqs last disabled at (8362): [] __up_console_sem+0x5d/0x80 [ 59.513253] softirqs last enabled at (7910): [] irq_exit_rcu+0x93/0xc0 [ 59.514320] softirqs last disabled at (7881): [] irq_exit_rcu+0x93/0xc0 [ 59.515389] ---[ end trace 0000000000000000 ]--- [ 59.522495] ------------[ cut here ]------------ [ 59.523199] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.524892] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.526033] Modules linked in: [ 59.526461] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.527664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.528741] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.529451] 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 [ 59.531706] RSP: 0018:ffff88801a1ffc00 EFLAGS: 00010282 [ 59.532425] RAX: 0000000000000000 RBX: ffff888015dd7440 RCX: 0000000000000000 [ 59.533383] RDX: ffff88800d661b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.534312] RBP: ffff888015dd7454 R08: 0000000000000001 R09: 0000000000000000 [ 59.535243] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.536187] R13: ffffffff84e223a0 R14: ffff888015dd7448 R15: ffffffff84da62e0 [ 59.537131] FS: 0000555556c9d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.538177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.538912] CR2: 00007efe6bb8b6f4 CR3: 0000000020538000 CR4: 0000000000350ee0 [ 59.539848] Call Trace: [ 59.540222] [ 59.540529] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.541230] ipv6_frags_init_net+0x206/0x3c0 [ 59.541820] ops_init+0xbb/0x6b0 [ 59.542320] setup_net+0x3d9/0x990 [ 59.542788] ? down_read_killable+0x1d7/0x4e0 [ 59.543411] ? __pfx_setup_net+0x10/0x10 [ 59.543942] ? copy_net_ns+0x17c/0x770 [ 59.544496] copy_net_ns+0x321/0x770 [ 59.545063] create_new_namespaces+0x3f6/0xb30 [ 59.545669] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.546343] ksys_unshare+0x44d/0x8e0 [ 59.546848] ? __pfx_ksys_unshare+0x10/0x10 [ 59.547449] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.548224] __x64_sys_unshare+0x31/0x40 [ 59.548771] do_syscall_64+0x3f/0x90 [ 59.549334] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.549994] RIP: 0033:0x7f29858b90d7 [ 59.550510] 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 [ 59.552778] RSP: 002b:00007ffd176a4ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.553754] RAX: ffffffffffffffda RBX: 00007ffd176a5528 RCX: 00007f29858b90d7 [ 59.554668] RDX: 00007f298592341f RSI: 00007ffd176a4e80 RDI: 0000000040000000 [ 59.555600] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd176a4c90 [ 59.556529] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f29859cbbf0 [ 59.557469] R13: 00007ffd176a4fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.558416] [ 59.558727] irq event stamp: 10385 [ 59.559220] hardirqs last enabled at (10397): [] __up_console_sem+0x78/0x80 [ 59.560337] hardirqs last disabled at (10408): [] __up_console_sem+0x5d/0x80 [ 59.561471] softirqs last enabled at (9866): [] irq_exit_rcu+0x93/0xc0 [ 59.562551] softirqs last disabled at (9843): [] irq_exit_rcu+0x93/0xc0 [ 59.563638] ---[ end trace 0000000000000000 ]--- [ 59.565084] ------------[ cut here ]------------ [ 59.565688] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.567614] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.568739] Modules linked in: [ 59.569201] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.570396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.571438] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.572134] 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 [ 59.574377] RSP: 0018:ffff88801a1ffbf0 EFLAGS: 00010286 [ 59.575067] RAX: 0000000000000000 RBX: ffff888015dd6a40 RCX: 0000000000000000 [ 59.575924] RDX: ffff88800d661b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.576836] RBP: ffff888015dd6a54 R08: 0000000000000001 R09: 0000000000000000 [ 59.577730] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.578683] R13: ffffffff84e223a0 R14: ffff888015dd6a48 R15: ffffffff84daf020 [ 59.579608] FS: 0000555556c9d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.580648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.581433] CR2: 00007efe6bb8b6f4 CR3: 0000000020538000 CR4: 0000000000350ee0 [ 59.582356] Call Trace: [ 59.582698] [ 59.583057] nf_ct_net_init+0x224/0x3d0 [ 59.583592] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.584224] ops_init+0xbb/0x6b0 [ 59.584684] setup_net+0x3d9/0x990 [ 59.585226] ? down_read_killable+0x1d7/0x4e0 [ 59.585818] ? __pfx_setup_net+0x10/0x10 [ 59.586382] ? copy_net_ns+0x17c/0x770 [ 59.586904] copy_net_ns+0x321/0x770 [ 59.587440] create_new_namespaces+0x3f6/0xb30 [ 59.588082] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.588742] ksys_unshare+0x44d/0x8e0 [ 59.589293] ? __pfx_ksys_unshare+0x10/0x10 [ 59.589872] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.590646] __x64_sys_unshare+0x31/0x40 [ 59.591219] do_syscall_64+0x3f/0x90 [ 59.591709] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.592414] RIP: 0033:0x7f29858b90d7 [ 59.592912] 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 [ 59.595192] RSP: 002b:00007ffd176a4ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.596192] RAX: ffffffffffffffda RBX: 00007ffd176a5528 RCX: 00007f29858b90d7 [ 59.597160] RDX: 00007f298592341f RSI: 00007ffd176a4e80 RDI: 0000000040000000 [ 59.598090] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd176a4c90 [ 59.598983] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f29859cbbf0 [ 59.599916] R13: 00007ffd176a4fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.600894] [ 59.601240] irq event stamp: 11143 [ 59.601691] hardirqs last enabled at (11153): [] __up_console_sem+0x78/0x80 [ 59.602812] hardirqs last disabled at (11164): [] __up_console_sem+0x5d/0x80 [ 59.603922] softirqs last enabled at (10828): [] irq_exit_rcu+0x93/0xc0 [ 59.605056] softirqs last disabled at (10823): [] irq_exit_rcu+0x93/0xc0 [ 59.606140] ---[ end trace 0000000000000000 ]--- executing program [ 61.105788] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.153528] Bluetooth: hci0: command 0x041b tx timeout [ 65.201106] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.249263] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:48:10 Registers: info registers vcpu 0 RAX=000000000001bf5d 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=00005629c3826080 CR3=000000000e852000 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=8b7a9a2605f33dae5c4d5bd5c8b50ab3 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=ad37ffdcb0aef247000000000013b628 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3a313d726f75ddc200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1ff5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555556c9d400 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=00007efe6bb8b6f4 CR3=0000000020538000 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