syzkaller login: [ 33.813451] systemd-udevd (117) used greatest stack depth: 24096 bytes left Warning: Permanently added '[localhost]:45877' (ECDSA) to the list of known hosts. 2023/05/18 07:36:08 fuzzer started 2023/05/18 07:36:08 dialing manager at localhost:44319 2023/05/18 07:36:08 checking machine... 2023/05/18 07:36:08 checking revisions... [ 36.249216] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:36:08 testing simple program... [ 36.323086] cgroup: Unknown subsys name 'net' [ 36.391662] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.483959] audit: type=1400 audit(1684395380.786:6): 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 [ 49.646625] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.650276] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.651448] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.655359] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.657955] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.659114] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.046315] ------------[ cut here ]------------ [ 50.047757] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.049406] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.050488] Modules linked in: [ 50.050954] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.052938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.055003] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.055749] 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 [ 50.058361] RSP: 0018:ffff88801fa77c00 EFLAGS: 00010282 [ 50.059400] RAX: 0000000000000000 RBX: ffff88800f15a840 RCX: 0000000000000000 [ 50.060721] RDX: ffff88801786b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.062039] RBP: ffff88800f15a854 R08: 0000000000000001 R09: 0000000000000000 [ 50.063369] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.064705] R13: ffffffff84e23fe0 R14: ffff88800f15a848 R15: ffffffff84d74dc0 [ 50.066036] FS: 0000555557041400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.067523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.068635] CR2: 00007fd1fd2b66f4 CR3: 0000000018c16000 CR4: 0000000000350ef0 [ 50.069952] Call Trace: [ 50.070449] [ 50.070940] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.071918] ipv4_frags_init_net+0x269/0x440 [ 50.072811] ops_init+0xbb/0x6b0 [ 50.073473] setup_net+0x3d9/0x990 [ 50.074198] ? down_read_killable+0x1d7/0x4e0 [ 50.075113] ? __pfx_setup_net+0x10/0x10 [ 50.075956] ? copy_net_ns+0x17c/0x770 [ 50.076775] copy_net_ns+0x321/0x770 [ 50.077492] create_new_namespaces+0x3f6/0xb30 [ 50.078439] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.079411] ksys_unshare+0x44d/0x8e0 [ 50.080186] ? __pfx_ksys_unshare+0x10/0x10 [ 50.081046] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.082169] __x64_sys_unshare+0x31/0x40 [ 50.083004] do_syscall_64+0x3f/0x90 [ 50.083759] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.084758] RIP: 0033:0x7f4c571470d7 [ 50.085433] 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 [ 50.088640] RSP: 002b:00007fff28741dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.090050] RAX: ffffffffffffffda RBX: 00007fff28742408 RCX: 00007f4c571470d7 [ 50.091374] RDX: 00007f4c571b141f RSI: 00007fff28741d60 RDI: 0000000040000000 [ 50.092704] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff28741b70 [ 50.094018] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c57259bf0 [ 50.095356] R13: 00007fff28741ea0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.096719] [ 50.097162] irq event stamp: 9239 [ 50.097848] hardirqs last enabled at (9251): [] __up_console_sem+0x78/0x80 [ 50.099469] hardirqs last disabled at (9262): [] __up_console_sem+0x5d/0x80 [ 50.101038] softirqs last enabled at (9006): [] irq_exit_rcu+0x93/0xc0 [ 50.102567] softirqs last disabled at (8997): [] irq_exit_rcu+0x93/0xc0 [ 50.104044] ---[ end trace 0000000000000000 ]--- [ 50.115410] ------------[ cut here ]------------ [ 50.116196] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.118014] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.119216] Modules linked in: [ 50.119700] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.120984] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.122124] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.122890] 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 [ 50.125308] RSP: 0018:ffff88801fa77c00 EFLAGS: 00010282 [ 50.126070] RAX: 0000000000000000 RBX: ffff88800e86aa40 RCX: 0000000000000000 [ 50.127078] RDX: ffff88801786b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.128070] RBP: ffff88800e86aa54 R08: 0000000000000001 R09: 0000000000000000 [ 50.129056] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.130041] R13: ffffffff84e23fe0 R14: ffff88800e86aa48 R15: ffffffff84da7d60 [ 50.131038] FS: 0000555557041400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.132149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.133022] CR2: 00007fd1fd2b66f4 CR3: 0000000018c16000 CR4: 0000000000350ef0 [ 50.134042] Call Trace: [ 50.134430] [ 50.134800] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.135485] ipv6_frags_init_net+0x206/0x3c0 [ 50.136141] ops_init+0xbb/0x6b0 [ 50.136673] setup_net+0x3d9/0x990 [ 50.137177] ? down_read_killable+0x1d7/0x4e0 [ 50.137845] ? __pfx_setup_net+0x10/0x10 [ 50.138423] ? copy_net_ns+0x17c/0x770 [ 50.139024] copy_net_ns+0x321/0x770 [ 50.139596] create_new_namespaces+0x3f6/0xb30 [ 50.140247] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.140971] ksys_unshare+0x44d/0x8e0 [ 50.141516] ? __pfx_ksys_unshare+0x10/0x10 [ 50.142161] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.143008] __x64_sys_unshare+0x31/0x40 [ 50.143619] do_syscall_64+0x3f/0x90 [ 50.144149] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.144908] RIP: 0033:0x7f4c571470d7 [ 50.145425] 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 [ 50.147843] RSP: 002b:00007fff28741dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.148903] RAX: ffffffffffffffda RBX: 00007fff28742408 RCX: 00007f4c571470d7 [ 50.149897] RDX: 00007f4c571b141f RSI: 00007fff28741d60 RDI: 0000000040000000 [ 50.150892] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff28741b70 [ 50.151880] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c57259bf0 [ 50.152866] R13: 00007fff28741ea0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.153876] [ 50.154204] irq event stamp: 11449 [ 50.154751] hardirqs last enabled at (11461): [] __up_console_sem+0x78/0x80 [ 50.155941] hardirqs last disabled at (11472): [] __up_console_sem+0x5d/0x80 [ 50.157132] softirqs last enabled at (10928): [] irq_exit_rcu+0x93/0xc0 [ 50.158287] softirqs last disabled at (10899): [] irq_exit_rcu+0x93/0xc0 [ 50.159482] ---[ end trace 0000000000000000 ]--- [ 50.161110] ------------[ cut here ]------------ [ 50.161805] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.164013] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.165209] Modules linked in: [ 50.165712] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.167049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.168209] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.168975] 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 [ 50.171470] RSP: 0018:ffff88801fa77bf0 EFLAGS: 00010286 [ 50.172251] RAX: 0000000000000000 RBX: ffff88800e86b240 RCX: 0000000000000000 [ 50.173287] RDX: ffff88801786b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.174308] RBP: ffff88800e86b254 R08: 0000000000000001 R09: 0000000000000000 [ 50.175351] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.176370] R13: ffffffff84e23fe0 R14: ffff88800e86b248 R15: ffffffff84db0aa0 [ 50.177392] FS: 0000555557041400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.178562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.179372] CR2: 00007fd1fd2b66f4 CR3: 0000000018c16000 CR4: 0000000000350ef0 [ 50.180411] Call Trace: [ 50.180816] [ 50.181155] nf_ct_net_init+0x224/0x3d0 [ 50.181778] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.182453] ops_init+0xbb/0x6b0 [ 50.183001] setup_net+0x3d9/0x990 [ 50.183522] ? down_read_killable+0x1d7/0x4e0 [ 50.184205] ? __pfx_setup_net+0x10/0x10 [ 50.184818] ? copy_net_ns+0x17c/0x770 [ 50.185397] copy_net_ns+0x321/0x770 [ 50.185982] create_new_namespaces+0x3f6/0xb30 [ 50.186697] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.187400] ksys_unshare+0x44d/0x8e0 [ 50.187994] ? __pfx_ksys_unshare+0x10/0x10 [ 50.188650] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.189455] __x64_sys_unshare+0x31/0x40 [ 50.190088] do_syscall_64+0x3f/0x90 [ 50.190678] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.191410] RIP: 0033:0x7f4c571470d7 [ 50.191983] 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 [ 50.194494] RSP: 002b:00007fff28741dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.195644] RAX: ffffffffffffffda RBX: 00007fff28742408 RCX: 00007f4c571470d7 [ 50.196674] RDX: 00007f4c571b141f RSI: 00007fff28741d60 RDI: 0000000040000000 [ 50.197702] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff28741b70 [ 50.198732] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c57259bf0 [ 50.199751] R13: 00007fff28741ea0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.200796] [ 50.201138] irq event stamp: 12291 [ 50.201668] hardirqs last enabled at (12303): [] __up_console_sem+0x78/0x80 [ 50.202905] hardirqs last disabled at (12314): [] __up_console_sem+0x5d/0x80 [ 50.204140] softirqs last enabled at (12332): [] irq_exit_rcu+0x93/0xc0 [ 50.205333] softirqs last disabled at (12323): [] irq_exit_rcu+0x93/0xc0 [ 50.206559] ---[ end trace 0000000000000000 ]--- executing program [ 51.668269] Bluetooth: hci0: command 0x0409 tx timeout [ 53.716131] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.763656] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.811619] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 07:36:21 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fa775c0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555557041400 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=00007fd1fd2b66f4 CR3=0000000018c16000 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=000000000003d57b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f8ada32f000 CR3=000000000dc4c000 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=ad64b2d267bf86a07345796a3da56bfe XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001103a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=01b727a9dc08315200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000