Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:41614' (ECDSA) to the list of known hosts. 2023/05/16 14:31:33 fuzzer started 2023/05/16 14:31:33 dialing manager at localhost:35573 2023/05/16 14:31:33 checking machine... 2023/05/16 14:31:33 checking revisions... syzkaller login: [ 41.440398] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:31:33 testing simple program... [ 41.507248] cgroup: Unknown subsys name 'net' [ 41.602388] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.010994] audit: type=1400 audit(1684247506.128:6): 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 [ 55.145497] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.147218] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.149513] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.153410] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.156001] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.157409] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.581594] ------------[ cut here ]------------ [ 55.582397] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.584726] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.586187] Modules linked in: [ 55.586905] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.592342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.593478] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.594193] 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 [ 55.596535] RSP: 0018:ffff88800ed6fc00 EFLAGS: 00010282 [ 55.597237] RAX: 0000000000000000 RBX: ffff88800c5ec040 RCX: 0000000000000000 [ 55.598203] RDX: ffff88800ffc51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.599152] RBP: ffff88800c5ec054 R08: 0000000000000001 R09: 0000000000000000 [ 55.600114] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.601072] R13: ffffffff84e223a0 R14: ffff88800c5ec048 R15: ffffffff84d73340 [ 55.602077] FS: 00005555571f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.603144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.603930] CR2: 00007f17f1b106f4 CR3: 000000000ee26000 CR4: 0000000000350ef0 [ 55.604880] Call Trace: [ 55.605225] [ 55.605609] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.606339] ipv4_frags_init_net+0x269/0x440 [ 55.606934] ops_init+0xbb/0x6b0 [ 55.607441] setup_net+0x3d9/0x990 [ 55.607924] ? down_read_killable+0x1d7/0x4e0 [ 55.608559] ? __pfx_setup_net+0x10/0x10 [ 55.609108] ? copy_net_ns+0x17c/0x770 [ 55.609700] copy_net_ns+0x321/0x770 [ 55.610212] create_new_namespaces+0x3f6/0xb30 [ 55.610897] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.611589] ksys_unshare+0x44d/0x8e0 [ 55.612132] ? __pfx_ksys_unshare+0x10/0x10 [ 55.612744] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.613530] __x64_sys_unshare+0x31/0x40 [ 55.614104] do_syscall_64+0x3f/0x90 [ 55.614642] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.615358] RIP: 0033:0x7f0b3acc80d7 [ 55.615855] 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 [ 55.618186] RSP: 002b:00007fffbe128fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.619199] RAX: ffffffffffffffda RBX: 00007fffbe1295e8 RCX: 00007f0b3acc80d7 [ 55.620148] RDX: 00007f0b3ad3241f RSI: 00007fffbe128f40 RDI: 0000000040000000 [ 55.621094] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbe128d50 [ 55.622043] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0b3addabf0 [ 55.622982] R13: 00007fffbe129080 R14: 0000000000000000 R15: 00000000000000f8 [ 55.623970] [ 55.624323] irq event stamp: 8033 [ 55.624789] hardirqs last enabled at (8043): [] __up_console_sem+0x78/0x80 [ 55.625941] hardirqs last disabled at (8054): [] __up_console_sem+0x5d/0x80 [ 55.627077] softirqs last enabled at (7570): [] irq_exit_rcu+0x93/0xc0 [ 55.628185] softirqs last disabled at (7555): [] irq_exit_rcu+0x93/0xc0 [ 55.629315] ---[ end trace 0000000000000000 ]--- [ 55.634656] ------------[ cut here ]------------ [ 55.635316] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.637265] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.638434] Modules linked in: [ 55.638873] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.640126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.641219] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.641951] 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 [ 55.644277] RSP: 0018:ffff88800ed6fc00 EFLAGS: 00010282 [ 55.645022] RAX: 0000000000000000 RBX: ffff88800e1bd440 RCX: 0000000000000000 [ 55.646001] RDX: ffff88800ffc51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.646941] RBP: ffff88800e1bd454 R08: 0000000000000001 R09: 0000000000000000 [ 55.647879] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.648829] R13: ffffffff84e223a0 R14: ffff88800e1bd448 R15: ffffffff84da62e0 [ 55.649791] FS: 00005555571f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.650854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.651644] CR2: 00007f17f1b106f4 CR3: 000000000ee26000 CR4: 0000000000350ef0 [ 55.652593] Call Trace: [ 55.652943] [ 55.653261] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.653960] ipv6_frags_init_net+0x206/0x3c0 [ 55.654587] ops_init+0xbb/0x6b0 [ 55.655066] setup_net+0x3d9/0x990 [ 55.655580] ? down_read_killable+0x1d7/0x4e0 [ 55.656188] ? __pfx_setup_net+0x10/0x10 [ 55.656753] ? copy_net_ns+0x17c/0x770 [ 55.657324] copy_net_ns+0x321/0x770 [ 55.657849] create_new_namespaces+0x3f6/0xb30 [ 55.658504] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.659166] ksys_unshare+0x44d/0x8e0 [ 55.659719] ? __pfx_ksys_unshare+0x10/0x10 [ 55.660335] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.661092] __x64_sys_unshare+0x31/0x40 [ 55.661687] do_syscall_64+0x3f/0x90 [ 55.662193] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.662910] RIP: 0033:0x7f0b3acc80d7 [ 55.663434] 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 [ 55.665850] RSP: 002b:00007fffbe128fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.666854] RAX: ffffffffffffffda RBX: 00007fffbe1295e8 RCX: 00007f0b3acc80d7 [ 55.667808] RDX: 00007f0b3ad3241f RSI: 00007fffbe128f40 RDI: 0000000040000000 [ 55.668747] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbe128d50 [ 55.669709] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0b3addabf0 [ 55.670666] R13: 00007fffbe129080 R14: 0000000000000000 R15: 00000000000000f8 [ 55.671647] [ 55.671964] irq event stamp: 9553 [ 55.672451] hardirqs last enabled at (9565): [] __up_console_sem+0x78/0x80 [ 55.673612] hardirqs last disabled at (9576): [] __up_console_sem+0x5d/0x80 [ 55.674755] softirqs last enabled at (9058): [] irq_exit_rcu+0x93/0xc0 [ 55.675865] softirqs last disabled at (9053): [] irq_exit_rcu+0x93/0xc0 [ 55.676977] ---[ end trace 0000000000000000 ]--- [ 55.678542] ------------[ cut here ]------------ [ 55.679170] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.681481] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.682617] Modules linked in: [ 55.683048] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.684278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.685375] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.686084] 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 [ 55.688422] RSP: 0018:ffff88800ed6fbf0 EFLAGS: 00010286 [ 55.689121] RAX: 0000000000000000 RBX: ffff88800e580840 RCX: 0000000000000000 [ 55.690075] RDX: ffff88800ffc51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.691025] RBP: ffff88800e580854 R08: 0000000000000001 R09: 0000000000000000 [ 55.691977] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.692999] R13: ffffffff84e223a0 R14: ffff88800e580848 R15: ffffffff84daf020 [ 55.693985] FS: 00005555571f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.695068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.695855] CR2: 00007f17f1b106f4 CR3: 000000000ee26000 CR4: 0000000000350ef0 [ 55.696794] Call Trace: [ 55.697142] [ 55.697508] nf_ct_net_init+0x224/0x3d0 [ 55.698071] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.698712] ops_init+0xbb/0x6b0 [ 55.699187] setup_net+0x3d9/0x990 [ 55.699700] ? down_read_killable+0x1d7/0x4e0 [ 55.700337] ? __pfx_setup_net+0x10/0x10 [ 55.700879] ? copy_net_ns+0x17c/0x770 [ 55.701461] copy_net_ns+0x321/0x770 [ 55.702011] create_new_namespaces+0x3f6/0xb30 [ 55.702671] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.703349] ksys_unshare+0x44d/0x8e0 [ 55.703872] ? __pfx_ksys_unshare+0x10/0x10 [ 55.704487] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.705244] __x64_sys_unshare+0x31/0x40 [ 55.705834] do_syscall_64+0x3f/0x90 [ 55.706372] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.707054] RIP: 0033:0x7f0b3acc80d7 [ 55.707577] 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 [ 55.709887] RSP: 002b:00007fffbe128fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.710899] RAX: ffffffffffffffda RBX: 00007fffbe1295e8 RCX: 00007f0b3acc80d7 [ 55.711866] RDX: 00007f0b3ad3241f RSI: 00007fffbe128f40 RDI: 0000000040000000 [ 55.712829] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbe128d50 [ 55.713789] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0b3addabf0 [ 55.714732] R13: 00007fffbe129080 R14: 0000000000000000 R15: 00000000000000f8 [ 55.715716] [ 55.716037] irq event stamp: 10401 [ 55.716529] hardirqs last enabled at (10413): [] __up_console_sem+0x78/0x80 [ 55.717695] hardirqs last disabled at (10424): [] __up_console_sem+0x5d/0x80 [ 55.718855] softirqs last enabled at (10184): [] irq_exit_rcu+0x93/0xc0 [ 55.720000] softirqs last disabled at (10179): [] irq_exit_rcu+0x93/0xc0 [ 55.721136] ---[ end trace 0000000000000000 ]--- executing program [ 57.230108] Bluetooth: hci0: command 0x0409 tx timeout [ 59.278045] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.324495] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.372377] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:31:42 Registers: info registers vcpu 0 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800ed6f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 00005555571f3400 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=00007f17f1b106f4 CR3=000000000ee26000 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=0000000000023bad 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=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 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=00007fc8a504ba80 CR3=000000000ed02000 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=01d5546a9ccbe1843c43de63bb799a6c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0335b56adb725ae9000000000013bc40 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ec6eabbe77f3a40000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000