Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:53690' (ECDSA) to the list of known hosts. 2023/05/18 01:12:47 fuzzer started 2023/05/18 01:12:47 dialing manager at localhost:44319 2023/05/18 01:12:47 checking machine... 2023/05/18 01:12:47 checking revisions... syzkaller login: [ 53.925249] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:12:47 testing simple program... [ 53.994458] cgroup: Unknown subsys name 'net' [ 54.051604] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.276492] audit: type=1400 audit(1684372380.262:6): 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 [ 67.420129] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.423052] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.424768] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.427839] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.429554] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.430924] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.809916] ------------[ cut here ]------------ [ 67.810684] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 67.812688] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.813989] Modules linked in: [ 67.814490] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.819897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.821060] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.821879] 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 [ 67.824089] RSP: 0018:ffff88801e40fc00 EFLAGS: 00010282 [ 67.824773] RAX: 0000000000000000 RBX: ffff88800e29b040 RCX: 0000000000000000 [ 67.825674] RDX: ffff888015b93680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.826560] RBP: ffff88800e29b054 R08: 0000000000000001 R09: 0000000000000000 [ 67.827446] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 67.828335] R13: ffffffff84e23fe0 R14: ffff88800e29b048 R15: ffffffff84d74dc0 [ 67.829182] FS: 0000555556a84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.830179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.830913] CR2: 00007f89af3276f4 CR3: 000000000fb48000 CR4: 0000000000350ef0 [ 67.831790] Call Trace: [ 67.832120] [ 67.832448] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 67.833060] ipv4_frags_init_net+0x269/0x440 [ 67.833668] ops_init+0xbb/0x6b0 [ 67.834121] setup_net+0x3d9/0x990 [ 67.834604] ? down_read_killable+0x1d7/0x4e0 [ 67.835171] ? __pfx_setup_net+0x10/0x10 [ 67.835706] ? copy_net_ns+0x17c/0x770 [ 67.836209] copy_net_ns+0x321/0x770 [ 67.836724] create_new_namespaces+0x3f6/0xb30 [ 67.837350] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.837968] ksys_unshare+0x44d/0x8e0 [ 67.838490] ? __pfx_ksys_unshare+0x10/0x10 [ 67.839030] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.839766] __x64_sys_unshare+0x31/0x40 [ 67.840312] do_syscall_64+0x3f/0x90 [ 67.840790] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.841477] RIP: 0033:0x7f65235000d7 [ 67.841941] 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 [ 67.844084] RSP: 002b:00007ffc9a27c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.845022] RAX: ffffffffffffffda RBX: 00007ffc9a27cd08 RCX: 00007f65235000d7 [ 67.845916] RDX: 00007f652356a41f RSI: 00007ffc9a27c660 RDI: 0000000040000000 [ 67.846791] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a27c470 [ 67.847662] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6523612bf0 [ 67.848532] R13: 00007ffc9a27c7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.849453] [ 67.849748] irq event stamp: 9533 [ 67.850165] hardirqs last enabled at (9543): [] __up_console_sem+0x78/0x80 [ 67.851230] hardirqs last disabled at (9554): [] __up_console_sem+0x5d/0x80 [ 67.852278] softirqs last enabled at (9106): [] irq_exit_rcu+0x93/0xc0 [ 67.853302] softirqs last disabled at (9091): [] irq_exit_rcu+0x93/0xc0 [ 67.854339] ---[ end trace 0000000000000000 ]--- [ 67.859353] ------------[ cut here ]------------ [ 67.859944] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 67.861656] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.862729] Modules linked in: [ 67.863129] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.864289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.865304] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.865957] 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 [ 67.868116] RSP: 0018:ffff88801e40fc00 EFLAGS: 00010282 [ 67.868789] RAX: 0000000000000000 RBX: ffff88800c614a40 RCX: 0000000000000000 [ 67.869678] RDX: ffff888015b93680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.870561] RBP: ffff88800c614a54 R08: 0000000000000001 R09: 0000000000000000 [ 67.871433] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.872320] R13: ffffffff84e23fe0 R14: ffff88800c614a48 R15: ffffffff84da7d60 [ 67.873173] FS: 0000555556a84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.874185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.874911] CR2: 00007f89af3276f4 CR3: 000000000fb48000 CR4: 0000000000350ef0 [ 67.875798] Call Trace: [ 67.876121] [ 67.876444] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 67.877057] ipv6_frags_init_net+0x206/0x3c0 [ 67.877653] ops_init+0xbb/0x6b0 [ 67.878093] setup_net+0x3d9/0x990 [ 67.878574] ? down_read_killable+0x1d7/0x4e0 [ 67.879146] ? __pfx_setup_net+0x10/0x10 [ 67.879678] ? copy_net_ns+0x17c/0x770 [ 67.880186] copy_net_ns+0x321/0x770 [ 67.880699] create_new_namespaces+0x3f6/0xb30 [ 67.881306] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.881955] ksys_unshare+0x44d/0x8e0 [ 67.882466] ? __pfx_ksys_unshare+0x10/0x10 [ 67.883008] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.883739] __x64_sys_unshare+0x31/0x40 [ 67.884278] do_syscall_64+0x3f/0x90 [ 67.884751] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.885425] RIP: 0033:0x7f65235000d7 [ 67.885886] 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 [ 67.888036] RSP: 002b:00007ffc9a27c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.888980] RAX: ffffffffffffffda RBX: 00007ffc9a27cd08 RCX: 00007f65235000d7 [ 67.889880] RDX: 00007f652356a41f RSI: 00007ffc9a27c660 RDI: 0000000040000000 [ 67.890755] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a27c470 [ 67.891643] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6523612bf0 [ 67.892521] R13: 00007ffc9a27c7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.893457] [ 67.893758] irq event stamp: 11171 [ 67.894184] hardirqs last enabled at (11181): [] __up_console_sem+0x78/0x80 [ 67.895261] hardirqs last disabled at (11194): [] __up_console_sem+0x5d/0x80 [ 67.896323] softirqs last enabled at (10710): [] irq_exit_rcu+0x93/0xc0 [ 67.897371] softirqs last disabled at (10705): [] irq_exit_rcu+0x93/0xc0 [ 67.898406] ---[ end trace 0000000000000000 ]--- [ 67.899725] ------------[ cut here ]------------ [ 67.900330] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 67.902191] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.903276] Modules linked in: [ 67.903680] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.904828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.905866] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.906538] 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 [ 67.908696] RSP: 0018:ffff88801e40fbf0 EFLAGS: 00010286 [ 67.909401] RAX: 0000000000000000 RBX: ffff88800c614440 RCX: 0000000000000000 [ 67.910281] RDX: ffff888015b93680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.911131] RBP: ffff88800c614454 R08: 0000000000000001 R09: 0000000000000000 [ 67.912026] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.912915] R13: ffffffff84e23fe0 R14: ffff88800c614448 R15: ffffffff84db0aa0 [ 67.913808] FS: 0000555556a84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.914793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.915531] CR2: 00007f89af3276f4 CR3: 000000000fb48000 CR4: 0000000000350ef0 [ 67.916441] Call Trace: [ 67.916766] [ 67.917061] nf_ct_net_init+0x224/0x3d0 [ 67.917638] ? __pfx_nf_ct_net_init+0x10/0x10 [ 67.918242] ops_init+0xbb/0x6b0 [ 67.918689] setup_net+0x3d9/0x990 [ 67.919144] ? down_read_killable+0x1d7/0x4e0 [ 67.919734] ? __pfx_setup_net+0x10/0x10 [ 67.920274] ? copy_net_ns+0x17c/0x770 [ 67.920777] copy_net_ns+0x321/0x770 [ 67.921287] create_new_namespaces+0x3f6/0xb30 [ 67.921883] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.922521] ksys_unshare+0x44d/0x8e0 [ 67.923006] ? __pfx_ksys_unshare+0x10/0x10 [ 67.923583] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.924323] __x64_sys_unshare+0x31/0x40 [ 67.924843] do_syscall_64+0x3f/0x90 [ 67.925368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.926018] RIP: 0033:0x7f65235000d7 [ 67.926505] 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 [ 67.928680] RSP: 002b:00007ffc9a27c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.929645] RAX: ffffffffffffffda RBX: 00007ffc9a27cd08 RCX: 00007f65235000d7 [ 67.930522] RDX: 00007f652356a41f RSI: 00007ffc9a27c660 RDI: 0000000040000000 [ 67.931412] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a27c470 [ 67.932301] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6523612bf0 [ 67.933148] R13: 00007ffc9a27c7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.934075] [ 67.934406] irq event stamp: 11913 [ 67.934837] hardirqs last enabled at (11923): [] __up_console_sem+0x78/0x80 [ 67.935885] hardirqs last disabled at (11934): [] __up_console_sem+0x5d/0x80 [ 67.936941] softirqs last enabled at (11820): [] irq_exit_rcu+0x93/0xc0 [ 67.937978] softirqs last disabled at (11815): [] irq_exit_rcu+0x93/0xc0 [ 67.939001] ---[ end trace 0000000000000000 ]--- executing program [ 69.495655] Bluetooth: hci0: command 0x0409 tx timeout [ 71.543445] Bluetooth: hci0: command 0x041b tx timeout executing program [ 73.591283] Bluetooth: hci0: command 0x040f tx timeout executing program [ 75.639299] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:12:44 Registers: info registers vcpu 0 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e40f5f0 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 0000555556a84400 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=00007f89af3276f4 CR3=000000000fb48000 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=dffffc0000000000 RBX=ffff88801931f668 RCX=0000000000000001 RDX=1ffff11003263ecd RSI=ffffffff81847e8c RDI=ffff88801931f674 RBP=0000000000000004 RSP=ffff88801931f580 R8 =ffffffff8612eb30 R9 =ffffffff8612eb34 R10=0000000000038001 R11=ffff88801931f5e0 R12=ffff88801931f668 R13=0000000000000000 R14=ffff888015b90000 R15=0000000000092c40 RIP=ffffffff813aacbf RFL=00000246 [---Z-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 00007ff804a76700 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=00007f5656910e10 CR3=000000000dcee000 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=2031303a33313a31302038312079614d XMM01=5d3039343431382e37362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000