Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33731' (ECDSA) to the list of known hosts. 2023/05/17 20:32:08 fuzzer started 2023/05/17 20:32:08 dialing manager at localhost:44319 2023/05/17 20:32:08 checking machine... 2023/05/17 20:32:08 checking revisions... syzkaller login: [ 67.448561] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:32:08 testing simple program... [ 67.533415] cgroup: Unknown subsys name 'net' [ 67.627177] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 80.685106] audit: type=1400 audit(1684355541.777:6): 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 [ 81.815930] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.817778] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.819658] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.823511] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.826201] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.827691] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.233549] ------------[ cut here ]------------ [ 82.234371] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 82.236590] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.237939] Modules linked in: [ 82.238409] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 82.242739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.243748] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.244422] 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 [ 82.246613] RSP: 0018:ffff88801947fc00 EFLAGS: 00010282 [ 82.247305] RAX: 0000000000000000 RBX: ffff88800f519040 RCX: 0000000000000000 [ 82.248196] RDX: ffff888018221b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 82.249077] RBP: ffff88800f519054 R08: 0000000000000001 R09: 0000000000000000 [ 82.249981] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 82.250855] R13: ffffffff84e23fe0 R14: ffff88800f519048 R15: ffffffff84d74dc0 [ 82.251714] FS: 00005555566f8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.252705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.253440] CR2: 000055a629d69580 CR3: 0000000006800000 CR4: 0000000000350ef0 [ 82.254330] Call Trace: [ 82.254657] [ 82.254982] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 82.255591] ipv4_frags_init_net+0x269/0x440 [ 82.256178] ops_init+0xbb/0x6b0 [ 82.256629] setup_net+0x3d9/0x990 [ 82.257113] ? down_read_killable+0x1d7/0x4e0 [ 82.257682] ? __pfx_setup_net+0x10/0x10 [ 82.258249] ? copy_net_ns+0x17c/0x770 [ 82.258760] copy_net_ns+0x321/0x770 [ 82.259269] create_new_namespaces+0x3f6/0xb30 [ 82.259882] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.260491] ksys_unshare+0x44d/0x8e0 [ 82.261013] ? __pfx_ksys_unshare+0x10/0x10 [ 82.261560] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.262305] __x64_sys_unshare+0x31/0x40 [ 82.262845] do_syscall_64+0x3f/0x90 [ 82.263320] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.263990] RIP: 0033:0x7fe075e300d7 [ 82.264454] 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 [ 82.266606] RSP: 002b:00007fffdff90fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.267542] RAX: ffffffffffffffda RBX: 00007fffdff915e8 RCX: 00007fe075e300d7 [ 82.268421] RDX: 00007fe075e9a41f RSI: 00007fffdff90f40 RDI: 0000000040000000 [ 82.269301] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdff90d50 [ 82.270210] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe075f42bf0 [ 82.271085] R13: 00007fffdff91080 R14: 0000000000000000 R15: 00000000000000f8 [ 82.271990] [ 82.272294] irq event stamp: 7685 [ 82.272709] hardirqs last enabled at (7695): [] __up_console_sem+0x78/0x80 [ 82.273756] hardirqs last disabled at (7706): [] __up_console_sem+0x5d/0x80 [ 82.274832] softirqs last enabled at (7622): [] irq_exit_rcu+0x93/0xc0 [ 82.275850] softirqs last disabled at (7617): [] irq_exit_rcu+0x93/0xc0 [ 82.276870] ---[ end trace 0000000000000000 ]--- [ 82.281854] ------------[ cut here ]------------ [ 82.282453] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 82.284286] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.285342] Modules linked in: [ 82.285744] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 82.287007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.288012] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.288653] 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 [ 82.290845] RSP: 0018:ffff88801947fc00 EFLAGS: 00010282 [ 82.291497] RAX: 0000000000000000 RBX: ffff88800d96ea40 RCX: 0000000000000000 [ 82.292397] RDX: ffff888018221b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 82.293269] RBP: ffff88800d96ea54 R08: 0000000000000001 R09: 0000000000000000 [ 82.294168] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 82.295054] R13: ffffffff84e23fe0 R14: ffff88800d96ea48 R15: ffffffff84da7d60 [ 82.295957] FS: 00005555566f8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.296948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.297658] CR2: 000055a629d69580 CR3: 0000000006800000 CR4: 0000000000350ef0 [ 82.298564] Call Trace: [ 82.298911] [ 82.299207] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 82.299853] ipv6_frags_init_net+0x206/0x3c0 [ 82.300416] ops_init+0xbb/0x6b0 [ 82.300884] setup_net+0x3d9/0x990 [ 82.301341] ? down_read_killable+0x1d7/0x4e0 [ 82.301944] ? __pfx_setup_net+0x10/0x10 [ 82.302460] ? copy_net_ns+0x17c/0x770 [ 82.302995] copy_net_ns+0x321/0x770 [ 82.303475] create_new_namespaces+0x3f6/0xb30 [ 82.304086] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.304694] ksys_unshare+0x44d/0x8e0 [ 82.305204] ? __pfx_ksys_unshare+0x10/0x10 [ 82.305740] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.306504] __x64_sys_unshare+0x31/0x40 [ 82.307059] do_syscall_64+0x3f/0x90 [ 82.307534] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.308223] RIP: 0033:0x7fe075e300d7 [ 82.308684] 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 [ 82.310844] RSP: 002b:00007fffdff90fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.311750] RAX: ffffffffffffffda RBX: 00007fffdff915e8 RCX: 00007fe075e300d7 [ 82.312630] RDX: 00007fe075e9a41f RSI: 00007fffdff90f40 RDI: 0000000040000000 [ 82.313507] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdff90d50 [ 82.314404] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe075f42bf0 [ 82.315276] R13: 00007fffdff91080 R14: 0000000000000000 R15: 00000000000000f8 [ 82.316180] [ 82.316482] irq event stamp: 9435 [ 82.316928] hardirqs last enabled at (9447): [] __up_console_sem+0x78/0x80 [ 82.317997] hardirqs last disabled at (9458): [] __up_console_sem+0x5d/0x80 [ 82.319051] softirqs last enabled at (8976): [] irq_exit_rcu+0x93/0xc0 [ 82.320065] softirqs last disabled at (8935): [] irq_exit_rcu+0x93/0xc0 [ 82.321081] ---[ end trace 0000000000000000 ]--- executing program [ 82.323354] ------------[ cut here ]------------ [ 82.323967] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 82.325875] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.326932] Modules linked in: [ 82.327337] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 82.328493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.329513] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.330207] 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 [ 82.332402] RSP: 0018:ffff88801947fbf0 EFLAGS: 00010286 [ 82.333092] RAX: 0000000000000000 RBX: ffff88800d96e440 RCX: 0000000000000000 [ 82.333985] RDX: ffff888018221b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 82.334868] RBP: ffff88800d96e454 R08: 0000000000000001 R09: 0000000000000000 [ 82.335721] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 82.336601] R13: ffffffff84e23fe0 R14: ffff88800d96e448 R15: ffffffff84db0aa0 [ 82.337481] FS: 00005555566f8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.338482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.339205] CR2: 000055a629d69580 CR3: 0000000006800000 CR4: 0000000000350ef0 [ 82.340076] Call Trace: [ 82.340400] [ 82.340695] nf_ct_net_init+0x224/0x3d0 [ 82.341238] ? __pfx_nf_ct_net_init+0x10/0x10 [ 82.341868] ops_init+0xbb/0x6b0 [ 82.342318] setup_net+0x3d9/0x990 [ 82.342775] ? down_read_killable+0x1d7/0x4e0 [ 82.343382] ? __pfx_setup_net+0x10/0x10 [ 82.343918] ? copy_net_ns+0x17c/0x770 [ 82.344423] copy_net_ns+0x321/0x770 [ 82.344935] create_new_namespaces+0x3f6/0xb30 [ 82.345515] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.346163] ksys_unshare+0x44d/0x8e0 [ 82.346650] ? __pfx_ksys_unshare+0x10/0x10 [ 82.347224] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.347966] __x64_sys_unshare+0x31/0x40 [ 82.348481] do_syscall_64+0x3f/0x90 [ 82.348978] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.349616] RIP: 0033:0x7fe075e300d7 [ 82.350113] 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 [ 82.352283] RSP: 002b:00007fffdff90fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.353224] RAX: ffffffffffffffda RBX: 00007fffdff915e8 RCX: 00007fe075e300d7 [ 82.354124] RDX: 00007fe075e9a41f RSI: 00007fffdff90f40 RDI: 0000000040000000 [ 82.355007] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdff90d50 [ 82.355884] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe075f42bf0 [ 82.356736] R13: 00007fffdff91080 R14: 0000000000000000 R15: 00000000000000f8 [ 82.357633] [ 82.357967] irq event stamp: 10207 [ 82.358397] hardirqs last enabled at (10217): [] __up_console_sem+0x78/0x80 [ 82.359451] hardirqs last disabled at (10228): [] __up_console_sem+0x5d/0x80 [ 82.360509] softirqs last enabled at (9780): [] irq_exit_rcu+0x93/0xc0 [ 82.361539] softirqs last disabled at (9775): [] irq_exit_rcu+0x93/0xc0 [ 82.362583] ---[ end trace 0000000000000000 ]--- [ 83.898512] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 85.945869] Bluetooth: hci0: command 0x041b tx timeout [ 87.993910] Bluetooth: hci0: command 0x040f tx timeout executing program [ 90.041908] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:31:52 Registers: info registers vcpu 0 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801947f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 00005555566f8400 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=000055a629d69580 CR3=0000000006800000 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=0000000000061dd7 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=00007f45b8fd9c30 CR3=00000000164f0000 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=e5829d871d020681444e088f2c4ee1ff XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=32c1cee635d1c8d3000000000013ebc8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3a8a1710a26aeba400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000