Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:56664' (ECDSA) to the list of known hosts. 2023/05/16 21:43:32 fuzzer started 2023/05/16 21:43:32 dialing manager at localhost:35573 2023/05/16 21:43:32 checking machine... 2023/05/16 21:43:32 checking revisions... syzkaller login: [ 37.419372] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:43:32 testing simple program... [ 37.486499] cgroup: Unknown subsys name 'net' [ 37.594655] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.142312] audit: type=1400 audit(1684273426.660:6): 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 [ 52.257275] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.260757] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.263306] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.266998] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.269273] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.270794] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.688957] ------------[ cut here ]------------ [ 52.689623] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.691513] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.692709] Modules linked in: [ 52.693258] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.697780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.698894] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.699621] 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 [ 52.701867] RSP: 0018:ffff88801ec77c00 EFLAGS: 00010282 [ 52.702585] RAX: 0000000000000000 RBX: ffff88801611bc40 RCX: 0000000000000000 [ 52.703521] RDX: ffff888017e78000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.704458] RBP: ffff88801611bc54 R08: 0000000000000001 R09: 0000000000000000 [ 52.705372] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.706284] R13: ffffffff84e223a0 R14: ffff88801611bc48 R15: ffffffff84d73340 [ 52.707197] FS: 0000555557373400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.708268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.708978] CR2: 00007f4c27ffd6f4 CR3: 0000000018ce6000 CR4: 0000000000350ee0 [ 52.709897] Call Trace: [ 52.710270] [ 52.710576] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.711229] ipv4_frags_init_net+0x269/0x440 [ 52.711815] ops_init+0xbb/0x6b0 [ 52.712311] setup_net+0x3d9/0x990 [ 52.712779] ? down_read_killable+0x1d7/0x4e0 [ 52.713396] ? __pfx_setup_net+0x10/0x10 [ 52.713917] ? copy_net_ns+0x17c/0x770 [ 52.714462] copy_net_ns+0x321/0x770 [ 52.714954] create_new_namespaces+0x3f6/0xb30 [ 52.715592] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.716261] ksys_unshare+0x44d/0x8e0 [ 52.716763] ? __pfx_ksys_unshare+0x10/0x10 [ 52.717349] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.718108] __x64_sys_unshare+0x31/0x40 [ 52.718642] do_syscall_64+0x3f/0x90 [ 52.719164] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.719838] RIP: 0033:0x7fd66c8930d7 [ 52.720356] 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 [ 52.722574] RSP: 002b:00007ffe407f7c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.723560] RAX: ffffffffffffffda RBX: 00007ffe407f82c8 RCX: 00007fd66c8930d7 [ 52.724477] RDX: 00007fd66c8fd41f RSI: 00007ffe407f7c20 RDI: 0000000040000000 [ 52.725405] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe407f7a30 [ 52.726307] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd66c9a5bf0 [ 52.727230] R13: 00007ffe407f7d60 R14: 0000000000000000 R15: 00000000000000f8 [ 52.728182] [ 52.728486] irq event stamp: 8261 [ 52.728913] hardirqs last enabled at (8271): [] __up_console_sem+0x78/0x80 [ 52.729994] hardirqs last disabled at (8282): [] __up_console_sem+0x5d/0x80 [ 52.731097] softirqs last enabled at (7806): [] irq_exit_rcu+0x93/0xc0 [ 52.732170] softirqs last disabled at (7777): [] irq_exit_rcu+0x93/0xc0 [ 52.733246] ---[ end trace 0000000000000000 ]--- [ 52.739248] ------------[ cut here ]------------ [ 52.739893] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.741680] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.742908] Modules linked in: [ 52.743586] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.744803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.745893] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.746677] 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 [ 52.748922] RSP: 0018:ffff88801ec77c00 EFLAGS: 00010282 [ 52.749750] RAX: 0000000000000000 RBX: ffff88800c5c9040 RCX: 0000000000000000 [ 52.750792] RDX: ffff888017e78000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.751924] RBP: ffff88800c5c9054 R08: 0000000000000001 R09: 0000000000000000 [ 52.752964] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.754004] R13: ffffffff84e223a0 R14: ffff88800c5c9048 R15: ffffffff84da62e0 [ 52.755042] FS: 0000555557373400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.756327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.757034] CR2: 00007f18673c9498 CR3: 0000000018ce6000 CR4: 0000000000350ef0 [ 52.758221] Call Trace: [ 52.758561] [ 52.758871] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.759703] ipv6_frags_init_net+0x206/0x3c0 [ 52.760419] ops_init+0xbb/0x6b0 [ 52.760879] setup_net+0x3d9/0x990 [ 52.761515] ? down_read_killable+0x1d7/0x4e0 [ 52.762252] ? __pfx_setup_net+0x10/0x10 [ 52.762774] ? copy_net_ns+0x17c/0x770 [ 52.763459] copy_net_ns+0x321/0x770 [ 52.763954] create_new_namespaces+0x3f6/0xb30 [ 52.764689] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.765485] ksys_unshare+0x44d/0x8e0 [ 52.765992] ? __pfx_ksys_unshare+0x10/0x10 [ 52.766733] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.767695] __x64_sys_unshare+0x31/0x40 [ 52.768388] do_syscall_64+0x3f/0x90 [ 52.768874] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.769693] RIP: 0033:0x7fd66c8930d7 [ 52.770344] 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 [ 52.772779] RSP: 002b:00007ffe407f7c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.773939] RAX: ffffffffffffffda RBX: 00007ffe407f82c8 RCX: 00007fd66c8930d7 [ 52.774997] RDX: 00007fd66c8fd41f RSI: 00007ffe407f7c20 RDI: 0000000040000000 [ 52.776210] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe407f7a30 [ 52.777279] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd66c9a5bf0 [ 52.778288] R13: 00007ffe407f7d60 R14: 0000000000000000 R15: 00000000000000f8 [ 52.779383] [ 52.779693] irq event stamp: 12601 [ 52.780323] hardirqs last enabled at (12699): [] __up_console_sem+0x78/0x80 [ 52.781587] hardirqs last disabled at (12820): [] __up_console_sem+0x5d/0x80 [ 52.782798] softirqs last enabled at (12882): [] irq_exit_rcu+0x93/0xc0 [ 52.784161] softirqs last disabled at (12997): [] irq_exit_rcu+0x93/0xc0 [ 52.785292] ---[ end trace 0000000000000000 ]--- [ 52.786704] ------------[ cut here ]------------ [ 52.787372] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.789348] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.790433] Modules linked in: [ 52.790850] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.792033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.793022] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.793709] 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 [ 52.795917] RSP: 0018:ffff88801ec77bf0 EFLAGS: 00010286 [ 52.796616] RAX: 0000000000000000 RBX: ffff88800c5c9640 RCX: 0000000000000000 [ 52.797524] RDX: ffff888017e78000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.798432] RBP: ffff88800c5c9654 R08: 0000000000000001 R09: 0000000000000000 [ 52.799367] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.800280] R13: ffffffff84e223a0 R14: ffff88800c5c9648 R15: ffffffff84daf020 [ 52.801179] FS: 0000555557373400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.802412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.803344] CR2: 00007f18673c9498 CR3: 0000000018ce6000 CR4: 0000000000350ef0 [ 52.804458] Call Trace: [ 52.804870] [ 52.805290] nf_ct_net_init+0x224/0x3d0 [ 52.805924] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.806669] ops_init+0xbb/0x6b0 [ 52.807266] setup_net+0x3d9/0x990 [ 52.807823] ? down_read_killable+0x1d7/0x4e0 [ 52.808561] ? __pfx_setup_net+0x10/0x10 [ 52.809236] ? copy_net_ns+0x17c/0x770 [ 52.809861] copy_net_ns+0x321/0x770 [ 52.810503] create_new_namespaces+0x3f6/0xb30 [ 52.811279] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.812035] ksys_unshare+0x44d/0x8e0 [ 52.812590] ? __pfx_ksys_unshare+0x10/0x10 [ 52.813196] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.813913] __x64_sys_unshare+0x31/0x40 [ 52.814454] do_syscall_64+0x3f/0x90 [ 52.814944] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.815663] RIP: 0033:0x7fd66c8930d7 [ 52.816169] 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 [ 52.818352] RSP: 002b:00007ffe407f7c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.819327] RAX: ffffffffffffffda RBX: 00007ffe407f82c8 RCX: 00007fd66c8930d7 [ 52.820223] RDX: 00007fd66c8fd41f RSI: 00007ffe407f7c20 RDI: 0000000040000000 [ 52.821136] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe407f7a30 [ 52.822015] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd66c9a5bf0 [ 52.822912] R13: 00007ffe407f7d60 R14: 0000000000000000 R15: 00000000000000f8 [ 52.823852] [ 52.824191] irq event stamp: 13837 [ 52.824635] hardirqs last enabled at (13847): [] __up_console_sem+0x78/0x80 [ 52.825738] hardirqs last disabled at (13858): [] __up_console_sem+0x5d/0x80 [ 52.826836] softirqs last enabled at (13340): [] irq_exit_rcu+0x93/0xc0 [ 52.827910] softirqs last disabled at (13335): [] irq_exit_rcu+0x93/0xc0 [ 52.828979] ---[ end trace 0000000000000000 ]--- [ 54.343650] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.391232] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.439118] Bluetooth: hci0: command 0x040f tx timeout [ 60.487103] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:43:47 Registers: info registers vcpu 0 RAX=00000000621754eb RBX=ffffffff877970e0 RCX=00000000fdbb4db1 RDX=1ffff11002d7f817 RSI=e70786f5621754eb RDI=00000000ecfb7e24 RBP=0000000000000000 RSP=ffff888016c77618 R8 =0000000000000000 R9 =fffffbfff0ef2d38 R10=ffffffff877969c7 R11=0000000000000001 R12=ffff888016bfc098 R13=ffff888016bfb680 R14=ffffffff85d35b6c R15=0000000000000000 RIP=ffffffff812d1a19 RFL=00000086 [--S--P-] 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 00007f1867ec1900 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=00007f18672b3e00 CR3=000000000e8fc000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=0013ad65119292df0000000000110c08 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9418f895c81acf6400000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ec775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555557373400 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=00007f4c27ffd6f4 CR3=0000000018ce6000 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