Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31999' (ECDSA) to the list of known hosts. 2023/05/17 11:10:58 fuzzer started 2023/05/17 11:10:59 dialing manager at localhost:44319 2023/05/17 11:10:59 checking machine... 2023/05/17 11:10:59 checking revisions... syzkaller login: [ 37.099610] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:10:59 testing simple program... [ 37.174443] cgroup: Unknown subsys name 'net' [ 37.266346] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.008057] audit: type=1400 audit(1684321873.265:6): 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 executing program [ 52.181217] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.182827] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.184747] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.188482] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.190361] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.191690] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.609242] ------------[ cut here ]------------ [ 52.610325] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.612678] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.614170] Modules linked in: [ 52.614774] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.619766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.620817] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.621484] 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 [ 52.623845] RSP: 0018:ffff88801aaefc00 EFLAGS: 00010282 [ 52.624515] RAX: 0000000000000000 RBX: ffff88800f164840 RCX: 0000000000000000 [ 52.625440] RDX: ffff88801aaf0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.626349] RBP: ffff88800f164854 R08: 0000000000000001 R09: 0000000000000000 [ 52.627266] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.628175] R13: ffffffff84e23fe0 R14: ffff88800f164848 R15: ffffffff84d74dc0 [ 52.629321] FS: 00005555559e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.630349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.631130] CR2: 00007f2cfc60a000 CR3: 000000000c56c000 CR4: 0000000000350ef0 [ 52.632042] Call Trace: [ 52.632384] [ 52.632712] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.633343] ipv4_frags_init_net+0x269/0x440 [ 52.633933] ops_init+0xbb/0x6b0 [ 52.634403] setup_net+0x3d9/0x990 [ 52.634895] ? down_read_killable+0x1d7/0x4e0 [ 52.635512] ? __pfx_setup_net+0x10/0x10 [ 52.636056] ? copy_net_ns+0x17c/0x770 [ 52.636609] copy_net_ns+0x321/0x770 [ 52.637091] create_new_namespaces+0x3f6/0xb30 [ 52.637727] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.638356] ksys_unshare+0x44d/0x8e0 [ 52.638879] ? __pfx_ksys_unshare+0x10/0x10 [ 52.639511] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.640339] __x64_sys_unshare+0x31/0x40 [ 52.640893] do_syscall_64+0x3f/0x90 [ 52.641429] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.642116] RIP: 0033:0x7f7ff94a60d7 [ 52.642639] 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 [ 52.644865] RSP: 002b:00007ffc9ce322d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.645845] RAX: ffffffffffffffda RBX: 00007ffc9ce32918 RCX: 00007f7ff94a60d7 [ 52.646777] RDX: 00007f7ff951041f RSI: 00007ffc9ce32270 RDI: 0000000040000000 [ 52.647719] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9ce32080 [ 52.648651] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7ff95b8bf0 [ 52.649519] R13: 00007ffc9ce323b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.650434] [ 52.650764] irq event stamp: 8155 [ 52.651210] hardirqs last enabled at (8165): [] __up_console_sem+0x78/0x80 [ 52.652292] hardirqs last disabled at (8176): [] __up_console_sem+0x5d/0x80 [ 52.653377] softirqs last enabled at (7646): [] irq_exit_rcu+0x93/0xc0 [ 52.654410] softirqs last disabled at (7635): [] irq_exit_rcu+0x93/0xc0 [ 52.655464] ---[ end trace 0000000000000000 ]--- [ 52.661109] ------------[ cut here ]------------ [ 52.661737] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.663541] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.664623] Modules linked in: [ 52.665031] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.666184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.667260] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.667937] 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 [ 52.670108] RSP: 0018:ffff88801aaefc00 EFLAGS: 00010282 [ 52.670835] RAX: 0000000000000000 RBX: ffff888009449e40 RCX: 0000000000000000 [ 52.671761] RDX: ffff88801aaf0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.672663] RBP: ffff888009449e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.673528] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.674461] R13: ffffffff84e23fe0 R14: ffff888009449e48 R15: ffffffff84da7d60 [ 52.675377] FS: 00005555559e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.676381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.677134] CR2: 00007f2cfc60a000 CR3: 000000000c56c000 CR4: 0000000000350ef0 [ 52.678045] Call Trace: [ 52.678400] [ 52.678736] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.679362] ipv6_frags_init_net+0x206/0x3c0 [ 52.679957] ops_init+0xbb/0x6b0 [ 52.680408] setup_net+0x3d9/0x990 [ 52.680892] ? down_read_killable+0x1d7/0x4e0 [ 52.681469] ? __pfx_setup_net+0x10/0x10 [ 52.682014] ? copy_net_ns+0x17c/0x770 [ 52.682590] copy_net_ns+0x321/0x770 [ 52.683108] create_new_namespaces+0x3f6/0xb30 [ 52.683729] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.684376] ksys_unshare+0x44d/0x8e0 [ 52.684906] ? __pfx_ksys_unshare+0x10/0x10 [ 52.685450] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.686188] __x64_sys_unshare+0x31/0x40 [ 52.686730] do_syscall_64+0x3f/0x90 [ 52.687228] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.687909] RIP: 0033:0x7f7ff94a60d7 [ 52.688413] 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 [ 52.690621] RSP: 002b:00007ffc9ce322d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.691622] RAX: ffffffffffffffda RBX: 00007ffc9ce32918 RCX: 00007f7ff94a60d7 [ 52.692504] RDX: 00007f7ff951041f RSI: 00007ffc9ce32270 RDI: 0000000040000000 [ 52.693357] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9ce32080 [ 52.694202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7ff95b8bf0 [ 52.695046] R13: 00007ffc9ce323b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.695911] [ 52.696205] irq event stamp: 10077 [ 52.696690] hardirqs last enabled at (10089): [] __up_console_sem+0x78/0x80 [ 52.697701] hardirqs last disabled at (10100): [] __up_console_sem+0x5d/0x80 [ 52.698749] softirqs last enabled at (9562): [] irq_exit_rcu+0x93/0xc0 [ 52.699785] softirqs last disabled at (9557): [] irq_exit_rcu+0x93/0xc0 [ 52.700865] ---[ end trace 0000000000000000 ]--- [ 52.702224] ------------[ cut here ]------------ [ 52.702896] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.704900] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.705971] Modules linked in: [ 52.706389] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.707593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.708660] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.709306] 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 [ 52.711487] RSP: 0018:ffff88801aaefbf0 EFLAGS: 00010286 [ 52.712168] RAX: 0000000000000000 RBX: ffff888009449840 RCX: 0000000000000000 [ 52.713081] RDX: ffff88801aaf0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.713974] RBP: ffff888009449854 R08: 0000000000000001 R09: 0000000000000000 [ 52.714863] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.715783] R13: ffffffff84e23fe0 R14: ffff888009449848 R15: ffffffff84db0aa0 [ 52.716708] FS: 00005555559e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.717757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.718475] CR2: 00007f2cfc60a000 CR3: 000000000c56c000 CR4: 0000000000350ef0 [ 52.719393] Call Trace: [ 52.719756] [ 52.720060] nf_ct_net_init+0x224/0x3d0 [ 52.720619] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.721205] ops_init+0xbb/0x6b0 [ 52.721721] setup_net+0x3d9/0x990 [ 52.722179] ? down_read_killable+0x1d7/0x4e0 [ 52.722828] ? __pfx_setup_net+0x10/0x10 [ 52.723378] ? copy_net_ns+0x17c/0x770 [ 52.723923] copy_net_ns+0x321/0x770 [ 52.724412] create_new_namespaces+0x3f6/0xb30 [ 52.725030] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.725718] ksys_unshare+0x44d/0x8e0 [ 52.726205] ? __pfx_ksys_unshare+0x10/0x10 [ 52.726782] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.727507] __x64_sys_unshare+0x31/0x40 [ 52.728067] do_syscall_64+0x3f/0x90 [ 52.728579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.729193] RIP: 0033:0x7f7ff94a60d7 [ 52.729714] 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 [ 52.731799] RSP: 002b:00007ffc9ce322d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.732696] RAX: ffffffffffffffda RBX: 00007ffc9ce32918 RCX: 00007f7ff94a60d7 [ 52.733875] RDX: 00007f7ff951041f RSI: 00007ffc9ce32270 RDI: 0000000040000000 [ 52.734898] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9ce32080 [ 52.735762] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7ff95b8bf0 [ 52.736592] R13: 00007ffc9ce323b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.737489] [ 52.737813] irq event stamp: 10941 [ 52.738231] hardirqs last enabled at (10951): [] __up_console_sem+0x78/0x80 [ 52.739265] hardirqs last disabled at (10962): [] __up_console_sem+0x5d/0x80 [ 52.740371] softirqs last enabled at (10696): [] irq_exit_rcu+0x93/0xc0 [ 52.741448] softirqs last disabled at (10691): [] irq_exit_rcu+0x93/0xc0 [ 52.742452] ---[ end trace 0000000000000000 ]--- [ 54.259254] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.306762] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.354678] Bluetooth: hci0: command 0x040f tx timeout [ 60.402688] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:11:15 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801aaef598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 00005555559e8400 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=00007f2cfc60a000 CR3=000000000c56c000 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=000000000002bb53 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=00007f2cfc4d3890 CR3=000000000ee30000 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=4f51dad4162fa1b70f481f7970e1364d XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=e5ff1e20ed422eeb000000000013d5e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=981ee4d7c214de1f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000