syzkaller login: [ 35.516253] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:25000' (ECDSA) to the list of known hosts. 2023/05/16 23:06:38 fuzzer started 2023/05/16 23:06:38 dialing manager at localhost:35573 2023/05/16 23:06:38 checking machine... 2023/05/16 23:06:38 checking revisions... [ 36.721216] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:06:39 testing simple program... [ 36.785765] cgroup: Unknown subsys name 'net' [ 36.872300] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.226382] audit: type=1400 audit(1684278412.634:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.368828] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.370301] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.372202] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.374869] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.376577] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.377950] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.760885] ------------[ cut here ]------------ [ 51.762104] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.764264] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.765594] Modules linked in: [ 51.766143] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.770775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.771830] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.772484] 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 [ 51.774673] RSP: 0018:ffff88801a54fc00 EFLAGS: 00010282 [ 51.775346] RAX: 0000000000000000 RBX: ffff888015a9f440 RCX: 0000000000000000 [ 51.776254] RDX: ffff888015900000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.777148] RBP: ffff888015a9f454 R08: 0000000000000001 R09: 0000000000000000 [ 51.778040] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.779018] R13: ffffffff84e223a0 R14: ffff888015a9f448 R15: ffffffff84d73340 [ 51.779914] FS: 0000555555745400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.780934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.781688] CR2: 00007f94e82146f4 CR3: 0000000018264000 CR4: 0000000000350ef0 [ 51.782568] Call Trace: [ 51.782981] [ 51.783284] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.783950] ipv4_frags_init_net+0x269/0x440 [ 51.784518] ops_init+0xbb/0x6b0 [ 51.784998] setup_net+0x3d9/0x990 [ 51.785456] ? down_read_killable+0x1d7/0x4e0 [ 51.786058] ? __pfx_setup_net+0x10/0x10 [ 51.786566] ? copy_net_ns+0x17c/0x770 [ 51.787112] copy_net_ns+0x321/0x770 [ 51.787598] create_new_namespaces+0x3f6/0xb30 [ 51.788221] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.788868] ksys_unshare+0x44d/0x8e0 [ 51.789357] ? __pfx_ksys_unshare+0x10/0x10 [ 51.789935] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.790681] __x64_sys_unshare+0x31/0x40 [ 51.791224] do_syscall_64+0x3f/0x90 [ 51.791722] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.792375] RIP: 0033:0x7fce41ffd0d7 [ 51.792859] 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 [ 51.795037] RSP: 002b:00007ffd6b64ad38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.795975] RAX: ffffffffffffffda RBX: 00007ffd6b64b378 RCX: 00007fce41ffd0d7 [ 51.796859] RDX: 00007fce4206741f RSI: 00007ffd6b64acd0 RDI: 0000000040000000 [ 51.797751] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6b64aae0 [ 51.798598] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fce4210fbf0 [ 51.799486] R13: 00007ffd6b64ae10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.800392] [ 51.800718] irq event stamp: 7803 [ 51.801139] hardirqs last enabled at (7813): [] __up_console_sem+0x78/0x80 [ 51.802185] hardirqs last disabled at (7824): [] __up_console_sem+0x5d/0x80 [ 51.803261] softirqs last enabled at (7520): [] irq_exit_rcu+0x93/0xc0 [ 51.804289] softirqs last disabled at (7513): [] irq_exit_rcu+0x93/0xc0 [ 51.805300] ---[ end trace 0000000000000000 ]--- [ 51.810861] ------------[ cut here ]------------ [ 51.811447] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.813165] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.814224] Modules linked in: [ 51.814656] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.815820] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.816830] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.817482] 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 [ 51.819700] RSP: 0018:ffff88801a54fc00 EFLAGS: 00010282 [ 51.820362] RAX: 0000000000000000 RBX: ffff88800d7a1640 RCX: 0000000000000000 [ 51.821255] RDX: ffff888015900000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.822141] RBP: ffff88800d7a1654 R08: 0000000000000001 R09: 0000000000000000 [ 51.823065] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.823971] R13: ffffffff84e223a0 R14: ffff88800d7a1648 R15: ffffffff84da62e0 [ 51.824873] FS: 0000555555745400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.825868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.826588] CR2: 00007f94e82146f4 CR3: 0000000018264000 CR4: 0000000000350ef0 [ 51.827508] Call Trace: [ 51.827865] [ 51.828174] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.828823] ipv6_frags_init_net+0x206/0x3c0 [ 51.829391] ops_init+0xbb/0x6b0 [ 51.829866] setup_net+0x3d9/0x990 [ 51.830326] ? down_read_killable+0x1d7/0x4e0 [ 51.830947] ? __pfx_setup_net+0x10/0x10 [ 51.831456] ? copy_net_ns+0x17c/0x770 [ 51.831989] copy_net_ns+0x321/0x770 [ 51.832473] create_new_namespaces+0x3f6/0xb30 [ 51.833088] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.833736] ksys_unshare+0x44d/0x8e0 [ 51.834233] ? __pfx_ksys_unshare+0x10/0x10 [ 51.834832] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.835656] __x64_sys_unshare+0x31/0x40 [ 51.836304] do_syscall_64+0x3f/0x90 [ 51.836837] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.837511] RIP: 0033:0x7fce41ffd0d7 [ 51.838046] 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 [ 51.840326] RSP: 002b:00007ffd6b64ad38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.841318] RAX: ffffffffffffffda RBX: 00007ffd6b64b378 RCX: 00007fce41ffd0d7 [ 51.842246] RDX: 00007fce4206741f RSI: 00007ffd6b64acd0 RDI: 0000000040000000 [ 51.843197] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6b64aae0 [ 51.844096] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fce4210fbf0 [ 51.845005] R13: 00007ffd6b64ae10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.845926] [ 51.846236] irq event stamp: 9545 [ 51.846689] hardirqs last enabled at (9557): [] __up_console_sem+0x78/0x80 [ 51.847770] hardirqs last disabled at (9568): [] __up_console_sem+0x5d/0x80 [ 51.848829] softirqs last enabled at (8752): [] irq_exit_rcu+0x93/0xc0 [ 51.849873] softirqs last disabled at (8725): [] irq_exit_rcu+0x93/0xc0 [ 51.850929] ---[ end trace 0000000000000000 ]--- [ 51.852262] ------------[ cut here ]------------ [ 51.852933] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.854871] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.855926] Modules linked in: [ 51.856381] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.857583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.858598] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.859333] 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 [ 51.861568] RSP: 0018:ffff88801a54fbf0 EFLAGS: 00010286 [ 51.862292] RAX: 0000000000000000 RBX: ffff888008d55a40 RCX: 0000000000000000 [ 51.863249] RDX: ffff888015900000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.864173] RBP: ffff888008d55a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.865084] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.865979] R13: ffffffff84e223a0 R14: ffff888008d55a48 R15: ffffffff84daf020 [ 51.866895] FS: 0000555555745400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.867921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.868695] CR2: 00007f94e82146f4 CR3: 0000000018264000 CR4: 0000000000350ef0 [ 51.869550] Call Trace: [ 51.869907] [ 51.870211] nf_ct_net_init+0x224/0x3d0 [ 51.870754] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.871353] ops_init+0xbb/0x6b0 [ 51.871828] setup_net+0x3d9/0x990 [ 51.872284] ? down_read_killable+0x1d7/0x4e0 [ 51.872878] ? __pfx_setup_net+0x10/0x10 [ 51.873389] ? copy_net_ns+0x17c/0x770 [ 51.873925] copy_net_ns+0x321/0x770 [ 51.874411] create_new_namespaces+0x3f6/0xb30 [ 51.875039] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.875695] ksys_unshare+0x44d/0x8e0 [ 51.876188] ? __pfx_ksys_unshare+0x10/0x10 [ 51.876764] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.877477] __x64_sys_unshare+0x31/0x40 [ 51.878021] do_syscall_64+0x3f/0x90 [ 51.878506] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.879187] RIP: 0033:0x7fce41ffd0d7 [ 51.879691] 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 [ 51.881873] RSP: 002b:00007ffd6b64ad38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.882847] RAX: ffffffffffffffda RBX: 00007ffd6b64b378 RCX: 00007fce41ffd0d7 [ 51.883737] RDX: 00007fce4206741f RSI: 00007ffd6b64acd0 RDI: 0000000040000000 [ 51.884632] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd6b64aae0 [ 51.885498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fce4210fbf0 [ 51.886384] R13: 00007ffd6b64ae10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.887298] [ 51.887639] irq event stamp: 10351 [ 51.888075] hardirqs last enabled at (10361): [] __up_console_sem+0x78/0x80 [ 51.889145] hardirqs last disabled at (10372): [] __up_console_sem+0x5d/0x80 [ 51.890212] softirqs last enabled at (10046): [] irq_exit_rcu+0x93/0xc0 [ 51.891256] softirqs last disabled at (10041): [] irq_exit_rcu+0x93/0xc0 [ 51.892286] ---[ end trace 0000000000000000 ]--- [ 53.393295] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.441292] Bluetooth: hci0: command 0x041b tx timeout [ 57.487715] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.535681] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:06:54 Registers: info registers vcpu 0 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a54f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 0000555555745400 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=00007f94e82146f4 CR3=0000000018264000 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=00000000000239a9 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=00007fd5ead5e6f4 CR3=0000000015cb0000 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=e5f97728efed0bb5694e028c4b6c05f0 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=38a298cc4281165b000000000013bbf8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=519c6a8244a9ba5200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000