Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:25424' (ECDSA) to the list of known hosts. 2023/05/18 01:34:14 fuzzer started 2023/05/18 01:34:14 dialing manager at localhost:44319 2023/05/18 01:34:14 checking machine... 2023/05/18 01:34:14 checking revisions... syzkaller login: [ 36.040593] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:34:14 testing simple program... [ 36.107136] cgroup: Unknown subsys name 'net' [ 36.181861] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.059235] audit: type=1400 audit(1684373667.829:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.177146] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.179745] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.181207] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.189599] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.191914] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.193417] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.595926] ------------[ cut here ]------------ [ 50.596698] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.599020] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.600294] Modules linked in: [ 50.600831] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.603096] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.605339] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.606693] 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 [ 50.609393] RSP: 0018:ffff888015957c00 EFLAGS: 00010282 [ 50.610218] RAX: 0000000000000000 RBX: ffff88800ee6ac40 RCX: 0000000000000000 [ 50.611348] RDX: ffff888019cb9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.612434] RBP: ffff88800ee6ac54 R08: 0000000000000001 R09: 0000000000000000 [ 50.613536] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.614633] R13: ffffffff84e23fe0 R14: ffff88800ee6ac48 R15: ffffffff84d74dc0 [ 50.615717] FS: 0000555555c72400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.616945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.617862] CR2: 00007efc5ecc88e0 CR3: 0000000016c6a000 CR4: 0000000000350ef0 [ 50.618968] Call Trace: [ 50.619406] [ 50.619770] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.620563] ipv4_frags_init_net+0x269/0x440 [ 50.621238] ops_init+0xbb/0x6b0 [ 50.621844] setup_net+0x3d9/0x990 [ 50.622441] ? down_read_killable+0x1d7/0x4e0 [ 50.623144] ? __pfx_setup_net+0x10/0x10 [ 50.623815] ? copy_net_ns+0x17c/0x770 [ 50.624467] copy_net_ns+0x321/0x770 [ 50.625060] create_new_namespaces+0x3f6/0xb30 [ 50.625825] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.626625] ksys_unshare+0x44d/0x8e0 [ 50.627216] ? __pfx_ksys_unshare+0x10/0x10 [ 50.627935] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.628851] __x64_sys_unshare+0x31/0x40 [ 50.629550] do_syscall_64+0x3f/0x90 [ 50.630130] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.630974] RIP: 0033:0x7fd68d1e60d7 [ 50.631577] 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 [ 50.634217] RSP: 002b:00007ffd2e87a248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.635379] RAX: ffffffffffffffda RBX: 00007ffd2e87a888 RCX: 00007fd68d1e60d7 [ 50.636474] RDX: 00007fd68d25041f RSI: 00007ffd2e87a1e0 RDI: 0000000040000000 [ 50.637582] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2e879ff0 [ 50.638690] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd68d2f8bf0 [ 50.639788] R13: 00007ffd2e87a320 R14: 0000000000000000 R15: 00000000000000f8 [ 50.640906] [ 50.641275] irq event stamp: 8969 [ 50.641854] hardirqs last enabled at (8981): [] __up_console_sem+0x78/0x80 [ 50.643158] hardirqs last disabled at (8992): [] __up_console_sem+0x5d/0x80 [ 50.644469] softirqs last enabled at (8852): [] irq_exit_rcu+0x93/0xc0 [ 50.645736] softirqs last disabled at (8847): [] irq_exit_rcu+0x93/0xc0 [ 50.646995] ---[ end trace 0000000000000000 ]--- [ 50.652934] ------------[ cut here ]------------ [ 50.653678] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.655660] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.656961] Modules linked in: [ 50.658019] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.659496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.660728] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.661585] 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 [ 50.664235] RSP: 0018:ffff888015957c00 EFLAGS: 00010282 [ 50.665058] RAX: 0000000000000000 RBX: ffff88800cc67e40 RCX: 0000000000000000 [ 50.666171] RDX: ffff888019cb9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.667262] RBP: ffff88800cc67e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.668371] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.669477] R13: ffffffff84e23fe0 R14: ffff88800cc67e48 R15: ffffffff84da7d60 [ 50.670576] FS: 0000555555c72400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.671808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.672707] CR2: 00007efc5ecc88e0 CR3: 0000000016c6a000 CR4: 0000000000350ef0 [ 50.673823] Call Trace: [ 50.674220] [ 50.674634] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.675430] ipv6_frags_init_net+0x206/0x3c0 [ 50.676122] ops_init+0xbb/0x6b0 [ 50.676721] setup_net+0x3d9/0x990 [ 50.677275] ? down_read_killable+0x1d7/0x4e0 [ 50.678019] ? __pfx_setup_net+0x10/0x10 [ 50.678691] ? copy_net_ns+0x17c/0x770 [ 50.679233] copy_net_ns+0x321/0x770 [ 50.679733] create_new_namespaces+0x3f6/0xb30 [ 50.680291] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.680907] ksys_unshare+0x44d/0x8e0 [ 50.681407] ? __pfx_ksys_unshare+0x10/0x10 [ 50.681947] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.682652] __x64_sys_unshare+0x31/0x40 [ 50.683147] do_syscall_64+0x3f/0x90 [ 50.683637] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.684246] RIP: 0033:0x7fd68d1e60d7 [ 50.684718] 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 [ 50.686767] RSP: 002b:00007ffd2e87a248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.687670] RAX: ffffffffffffffda RBX: 00007ffd2e87a888 RCX: 00007fd68d1e60d7 [ 50.688508] RDX: 00007fd68d25041f RSI: 00007ffd2e87a1e0 RDI: 0000000040000000 [ 50.689349] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2e879ff0 [ 50.690179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd68d2f8bf0 [ 50.691056] R13: 00007ffd2e87a320 R14: 0000000000000000 R15: 00000000000000f8 [ 50.691948] [ 50.692240] irq event stamp: 11041 [ 50.692690] hardirqs last enabled at (11053): [] __up_console_sem+0x78/0x80 [ 50.693770] hardirqs last disabled at (11070): [] __up_console_sem+0x5d/0x80 [ 50.694841] softirqs last enabled at (11066): [] irq_exit_rcu+0x93/0xc0 [ 50.695878] softirqs last disabled at (11061): [] irq_exit_rcu+0x93/0xc0 [ 50.696915] ---[ end trace 0000000000000000 ]--- [ 50.698436] ------------[ cut here ]------------ [ 50.699002] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.700869] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.701945] Modules linked in: [ 50.702381] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.703526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.704539] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.705163] 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 [ 50.707324] RSP: 0018:ffff888015957bf0 EFLAGS: 00010286 [ 50.707972] RAX: 0000000000000000 RBX: ffff8880137d1a40 RCX: 0000000000000000 [ 50.708849] RDX: ffff888019cb9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.709742] RBP: ffff8880137d1a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.710621] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.711491] R13: ffffffff84e23fe0 R14: ffff8880137d1a48 R15: ffffffff84db0aa0 [ 50.712371] FS: 0000555555c72400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.713347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.714063] CR2: 00007efc5ecc88e0 CR3: 0000000016c6a000 CR4: 0000000000350ef0 [ 50.714954] Call Trace: [ 50.715277] [ 50.715602] nf_ct_net_init+0x224/0x3d0 [ 50.716120] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.716718] ops_init+0xbb/0x6b0 [ 50.717160] setup_net+0x3d9/0x990 [ 50.717666] ? down_read_killable+0x1d7/0x4e0 [ 50.718223] ? __pfx_setup_net+0x10/0x10 [ 50.718759] ? copy_net_ns+0x17c/0x770 [ 50.719259] copy_net_ns+0x321/0x770 [ 50.719760] create_new_namespaces+0x3f6/0xb30 [ 50.720369] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.720971] ksys_unshare+0x44d/0x8e0 [ 50.721510] ? __pfx_ksys_unshare+0x10/0x10 [ 50.722051] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.722790] __x64_sys_unshare+0x31/0x40 [ 50.723302] do_syscall_64+0x3f/0x90 [ 50.723802] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.724474] RIP: 0033:0x7fd68d1e60d7 [ 50.724931] 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 [ 50.727072] RSP: 002b:00007ffd2e87a248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.728007] RAX: ffffffffffffffda RBX: 00007ffd2e87a888 RCX: 00007fd68d1e60d7 [ 50.728887] RDX: 00007fd68d25041f RSI: 00007ffd2e87a1e0 RDI: 0000000040000000 [ 50.729778] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2e879ff0 [ 50.730647] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd68d2f8bf0 [ 50.731523] R13: 00007ffd2e87a320 R14: 0000000000000000 R15: 00000000000000f8 [ 50.732417] [ 50.732712] irq event stamp: 11855 [ 50.733142] hardirqs last enabled at (11865): [] __up_console_sem+0x78/0x80 [ 50.734215] hardirqs last disabled at (11876): [] __up_console_sem+0x5d/0x80 [ 50.735254] softirqs last enabled at (11352): [] irq_exit_rcu+0x93/0xc0 [ 50.736276] softirqs last disabled at (11341): [] irq_exit_rcu+0x93/0xc0 [ 50.737299] ---[ end trace 0000000000000000 ]--- executing program [ 52.258360] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.305910] Bluetooth: hci0: command 0x041b tx timeout [ 56.353711] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.401688] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:34:28 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888015957618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555555c72400 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=00007efc5ecc88e0 CR3=0000000016c6a000 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=000000000001be81 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=00007fc0a6171ae0 CR3=0000000015e26000 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=7d1dd46bd494b8b6384a48c112acc44c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000110ad8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=cff4475bc93a6d3b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000