Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:18177' (ECDSA) to the list of known hosts. 2023/05/18 10:42:22 fuzzer started 2023/05/18 10:42:22 dialing manager at localhost:44319 2023/05/18 10:42:22 checking machine... 2023/05/18 10:42:22 checking revisions... syzkaller login: [ 38.499858] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:42:22 testing simple program... [ 38.581188] cgroup: Unknown subsys name 'net' [ 38.666823] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.724306] audit: type=1400 audit(1684406555.844:6): 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 [ 52.874712] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.877093] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.878904] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.882757] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.885466] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.886722] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.272713] ------------[ cut here ]------------ [ 53.274252] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.276321] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.277416] Modules linked in: [ 53.277825] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.282799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.283842] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.284516] 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 [ 53.286714] RSP: 0018:ffff88801691fc00 EFLAGS: 00010282 [ 53.287431] RAX: 0000000000000000 RBX: ffff888015a99040 RCX: 0000000000000000 [ 53.288342] RDX: ffff88801ce651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.289228] RBP: ffff888015a99054 R08: 0000000000000001 R09: 0000000000000000 [ 53.290073] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.290957] R13: ffffffff84e23fe0 R14: ffff888015a99048 R15: ffffffff84d74dc0 [ 53.291849] FS: 0000555556dd8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.292831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.293569] CR2: 00007f4b42bd66f4 CR3: 0000000015a20000 CR4: 0000000000350ee0 [ 53.294469] Call Trace: [ 53.294791] [ 53.295090] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.295731] ipv4_frags_init_net+0x269/0x440 [ 53.296322] ops_init+0xbb/0x6b0 [ 53.296781] setup_net+0x3d9/0x990 [ 53.297268] ? down_read_killable+0x1d7/0x4e0 [ 53.297843] ? __pfx_setup_net+0x10/0x10 [ 53.298391] ? copy_net_ns+0x17c/0x770 [ 53.298899] copy_net_ns+0x321/0x770 [ 53.299447] create_new_namespaces+0x3f6/0xb30 [ 53.300035] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.300683] ksys_unshare+0x44d/0x8e0 [ 53.301222] ? __pfx_ksys_unshare+0x10/0x10 [ 53.301775] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.302506] __x64_sys_unshare+0x31/0x40 [ 53.303015] do_syscall_64+0x3f/0x90 [ 53.303542] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.304216] RIP: 0033:0x7fe0f730e0d7 [ 53.304676] 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 [ 53.306801] RSP: 002b:00007ffc098cb098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.307767] RAX: ffffffffffffffda RBX: 00007ffc098cb6d8 RCX: 00007fe0f730e0d7 [ 53.308641] RDX: 00007fe0f737841f RSI: 00007ffc098cb030 RDI: 0000000040000000 [ 53.309510] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc098cae40 [ 53.310389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe0f7420bf0 [ 53.311302] R13: 00007ffc098cb170 R14: 0000000000000000 R15: 00000000000000f8 [ 53.312197] [ 53.312497] irq event stamp: 8519 [ 53.312917] hardirqs last enabled at (8529): [] __up_console_sem+0x78/0x80 [ 53.313975] hardirqs last disabled at (8540): [] __up_console_sem+0x5d/0x80 [ 53.315019] softirqs last enabled at (8122): [] irq_exit_rcu+0x93/0xc0 [ 53.316065] softirqs last disabled at (8109): [] irq_exit_rcu+0x93/0xc0 [ 53.317102] ---[ end trace 0000000000000000 ]--- [ 53.324117] ------------[ cut here ]------------ [ 53.324774] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.326579] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.327642] Modules linked in: [ 53.328046] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.329201] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.330208] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.330848] 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 [ 53.333017] RSP: 0018:ffff88801691fc00 EFLAGS: 00010282 [ 53.333694] RAX: 0000000000000000 RBX: ffff88800c9c4640 RCX: 0000000000000000 [ 53.334591] RDX: ffff88801ce651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.335492] RBP: ffff88800c9c4654 R08: 0000000000000001 R09: 0000000000000000 [ 53.336381] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.337263] R13: ffffffff84e23fe0 R14: ffff88800c9c4648 R15: ffffffff84da7d60 [ 53.338110] FS: 0000555556dd8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.339101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.339844] CR2: 00007f4b42bd66f4 CR3: 0000000015a20000 CR4: 0000000000350ee0 [ 53.340745] Call Trace: [ 53.341065] [ 53.341400] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.342010] ipv6_frags_init_net+0x206/0x3c0 [ 53.342601] ops_init+0xbb/0x6b0 [ 53.343058] setup_net+0x3d9/0x990 [ 53.343546] ? down_read_killable+0x1d7/0x4e0 [ 53.344108] ? __pfx_setup_net+0x10/0x10 [ 53.344647] ? copy_net_ns+0x17c/0x770 [ 53.345184] copy_net_ns+0x321/0x770 [ 53.345666] create_new_namespaces+0x3f6/0xb30 [ 53.346272] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.346876] ksys_unshare+0x44d/0x8e0 [ 53.347404] ? __pfx_ksys_unshare+0x10/0x10 [ 53.347938] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.348674] __x64_sys_unshare+0x31/0x40 [ 53.349217] do_syscall_64+0x3f/0x90 [ 53.349688] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.350351] RIP: 0033:0x7fe0f730e0d7 [ 53.350815] 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 [ 53.352995] RSP: 002b:00007ffc098cb098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.353957] RAX: ffffffffffffffda RBX: 00007ffc098cb6d8 RCX: 00007fe0f730e0d7 executing program [ 53.354849] RDX: 00007fe0f737841f RSI: 00007ffc098cb030 RDI: 0000000040000000 [ 53.355908] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc098cae40 [ 53.356788] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe0f7420bf0 [ 53.357676] R13: 00007ffc098cb170 R14: 0000000000000000 R15: 00000000000000f8 [ 53.358584] [ 53.358882] irq event stamp: 10773 [ 53.359385] hardirqs last enabled at (10785): [] __up_console_sem+0x78/0x80 [ 53.360451] hardirqs last disabled at (10796): [] __up_console_sem+0x5d/0x80 [ 53.361540] softirqs last enabled at (10256): [] irq_exit_rcu+0x93/0xc0 [ 53.362586] softirqs last disabled at (10239): [] irq_exit_rcu+0x93/0xc0 [ 53.363642] ---[ end trace 0000000000000000 ]--- [ 53.364974] ------------[ cut here ]------------ [ 53.365625] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.367726] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.368824] Modules linked in: [ 53.369272] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.370436] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.371482] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.372172] 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 [ 53.374346] RSP: 0018:ffff88801691fbf0 EFLAGS: 00010286 [ 53.374992] RAX: 0000000000000000 RBX: ffff88800e119c40 RCX: 0000000000000000 [ 53.375910] RDX: ffff88801ce651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.376815] RBP: ffff88800e119c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.377729] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.378645] R13: ffffffff84e23fe0 R14: ffff88800e119c48 R15: ffffffff84db0aa0 [ 53.379582] FS: 0000555556dd8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.380577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.381312] CR2: 00007f4b42bd66f4 CR3: 0000000015a20000 CR4: 0000000000350ee0 [ 53.382189] Call Trace: [ 53.382510] [ 53.382801] nf_ct_net_init+0x224/0x3d0 [ 53.383356] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.383930] ops_init+0xbb/0x6b0 [ 53.384422] setup_net+0x3d9/0x990 [ 53.384875] ? down_read_killable+0x1d7/0x4e0 [ 53.385465] ? __pfx_setup_net+0x10/0x10 [ 53.385972] ? copy_net_ns+0x17c/0x770 [ 53.386515] copy_net_ns+0x321/0x770 [ 53.386995] create_new_namespaces+0x3f6/0xb30 [ 53.387632] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.388268] ksys_unshare+0x44d/0x8e0 [ 53.388751] ? __pfx_ksys_unshare+0x10/0x10 [ 53.389320] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.390017] __x64_sys_unshare+0x31/0x40 [ 53.390565] do_syscall_64+0x3f/0x90 [ 53.391043] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.391715] RIP: 0033:0x7fe0f730e0d7 [ 53.392204] 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 [ 53.394359] RSP: 002b:00007ffc098cb098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.395301] RAX: ffffffffffffffda RBX: 00007ffc098cb6d8 RCX: 00007fe0f730e0d7 [ 53.396173] RDX: 00007fe0f737841f RSI: 00007ffc098cb030 RDI: 0000000040000000 [ 53.397016] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc098cae40 [ 53.397898] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe0f7420bf0 [ 53.398768] R13: 00007ffc098cb170 R14: 0000000000000000 R15: 00000000000000f8 [ 53.399700] [ 53.399998] irq event stamp: 11621 [ 53.400460] hardirqs last enabled at (11633): [] __up_console_sem+0x78/0x80 [ 53.401510] hardirqs last disabled at (11644): [] __up_console_sem+0x5d/0x80 [ 53.402558] softirqs last enabled at (11284): [] irq_exit_rcu+0x93/0xc0 [ 53.403595] softirqs last disabled at (11279): [] irq_exit_rcu+0x93/0xc0 [ 53.404615] ---[ end trace 0000000000000000 ]--- [ 54.953964] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.000235] Bluetooth: hci0: command 0x041b tx timeout [ 59.048264] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.096224] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:42:34 Registers: info registers vcpu 0 RAX=000000000001e6cd 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=00007fd0c644cde0 CR3=000000000edaa000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203a4944522032646131373131386600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801691f5f0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000a 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 0000555556dd8400 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=00007f4b42bd66f4 CR3=0000000015a20000 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