Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43869' (ECDSA) to the list of known hosts. 2023/05/18 00:25:08 fuzzer started 2023/05/18 00:25:08 dialing manager at localhost:44319 2023/05/18 00:25:08 checking machine... 2023/05/18 00:25:08 checking revisions... syzkaller login: [ 44.096823] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:25:08 testing simple program... [ 44.170443] cgroup: Unknown subsys name 'net' [ 44.258500] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.966161] audit: type=1400 audit(1684369522.692:6): 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 [ 59.120195] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.124304] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.125853] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.130001] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.132146] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.133665] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.525462] ------------[ cut here ]------------ [ 59.527307] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.529512] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.530602] Modules linked in: [ 59.531034] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.535612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.536668] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.537360] 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 [ 59.539525] RSP: 0018:ffff88801cdafc00 EFLAGS: 00010282 [ 59.540202] RAX: 0000000000000000 RBX: ffff888009c16440 RCX: 0000000000000000 [ 59.541103] RDX: ffff8880158a1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.541994] RBP: ffff888009c16454 R08: 0000000000000001 R09: 0000000000000000 [ 59.542881] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.543764] R13: ffffffff84e23fe0 R14: ffff888009c16448 R15: ffffffff84d74dc0 [ 59.544633] FS: 0000555555c8d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.545644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.546386] CR2: 00007f4a0f6cc6f4 CR3: 000000000f88e000 CR4: 0000000000350ef0 [ 59.547284] Call Trace: [ 59.547614] [ 59.547936] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.548552] ipv4_frags_init_net+0x269/0x440 [ 59.549197] ops_init+0xbb/0x6b0 [ 59.549654] setup_net+0x3d9/0x990 [ 59.550144] ? down_read_killable+0x1d7/0x4e0 [ 59.550763] ? __pfx_setup_net+0x10/0x10 [ 59.551295] ? copy_net_ns+0x17c/0x770 [ 59.551839] copy_net_ns+0x321/0x770 [ 59.552337] create_new_namespaces+0x3f6/0xb30 [ 59.552961] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.553585] ksys_unshare+0x44d/0x8e0 [ 59.554121] ? __pfx_ksys_unshare+0x10/0x10 [ 59.554666] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.555403] __x64_sys_unshare+0x31/0x40 [ 59.555949] do_syscall_64+0x3f/0x90 [ 59.556426] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.557121] RIP: 0033:0x7f07ab3c00d7 [ 59.557589] 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 [ 59.559766] RSP: 002b:00007ffdb7497418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.560705] RAX: ffffffffffffffda RBX: 00007ffdb7497a58 RCX: 00007f07ab3c00d7 [ 59.561606] RDX: 00007f07ab42a41f RSI: 00007ffdb74973b0 RDI: 0000000040000000 [ 59.562521] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb74971c0 [ 59.563425] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07ab4d2bf0 [ 59.564304] R13: 00007ffdb74974f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.565223] [ 59.565529] irq event stamp: 10855 [ 59.566002] hardirqs last enabled at (10867): [] __up_console_sem+0x78/0x80 [ 59.567070] hardirqs last disabled at (10878): [] __up_console_sem+0x5d/0x80 [ 59.568129] softirqs last enabled at (10790): [] irq_exit_rcu+0x93/0xc0 [ 59.569172] softirqs last disabled at (10785): [] irq_exit_rcu+0x93/0xc0 [ 59.570205] ---[ end trace 0000000000000000 ]--- [ 59.577508] ------------[ cut here ]------------ [ 59.578158] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.579922] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.581010] Modules linked in: [ 59.581437] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.582641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.583665] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.584358] 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 [ 59.586599] RSP: 0018:ffff88801cdafc00 EFLAGS: 00010282 [ 59.587280] RAX: 0000000000000000 RBX: ffff88800f17f040 RCX: 0000000000000000 [ 59.588172] RDX: ffff8880158a1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.589102] RBP: ffff88800f17f054 R08: 0000000000000001 R09: 0000000000000000 [ 59.589989] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.590890] R13: ffffffff84e23fe0 R14: ffff88800f17f048 R15: ffffffff84da7d60 [ 59.591777] FS: 0000555555c8d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.592783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.593487] CR2: 00007f4a0f6cc6f4 CR3: 000000000f88e000 CR4: 0000000000350ef0 [ 59.594380] Call Trace: [ 59.594714] [ 59.595047] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.595664] ipv6_frags_init_net+0x206/0x3c0 [ 59.596249] ops_init+0xbb/0x6b0 [ 59.596717] setup_net+0x3d9/0x990 [ 59.597210] ? down_read_killable+0x1d7/0x4e0 [ 59.597809] ? __pfx_setup_net+0x10/0x10 [ 59.598324] ? copy_net_ns+0x17c/0x770 [ 59.598872] copy_net_ns+0x321/0x770 [ 59.599355] create_new_namespaces+0x3f6/0xb30 [ 59.599976] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.600598] ksys_unshare+0x44d/0x8e0 [ 59.601117] ? __pfx_ksys_unshare+0x10/0x10 [ 59.601669] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.602408] __x64_sys_unshare+0x31/0x40 [ 59.602975] do_syscall_64+0x3f/0x90 [ 59.603457] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.604152] RIP: 0033:0x7f07ab3c00d7 [ 59.604658] 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 [ 59.606873] RSP: 002b:00007ffdb7497418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.607840] RAX: ffffffffffffffda RBX: 00007ffdb7497a58 RCX: 00007f07ab3c00d7 [ 59.608763] RDX: 00007f07ab42a41f RSI: 00007ffdb74973b0 RDI: 0000000040000000 [ 59.609622] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb74971c0 [ 59.610526] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07ab4d2bf0 [ 59.611427] R13: 00007ffdb74974f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.612345] [ 59.612657] irq event stamp: 14063 [ 59.613124] hardirqs last enabled at (14075): [] __up_console_sem+0x78/0x80 [ 59.614211] hardirqs last disabled at (14086): [] __up_console_sem+0x5d/0x80 [ 59.615273] softirqs last enabled at (13928): [] irq_exit_rcu+0x93/0xc0 [ 59.616310] softirqs last disabled at (13915): [] irq_exit_rcu+0x93/0xc0 [ 59.617373] ---[ end trace 0000000000000000 ]--- [ 59.618663] ------------[ cut here ]------------ [ 59.619302] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.621306] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.622381] Modules linked in: [ 59.622818] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.623970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.625011] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.625658] 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 [ 59.627824] RSP: 0018:ffff88801cdafbf0 EFLAGS: 00010286 [ 59.628482] RAX: 0000000000000000 RBX: ffff88800f17f840 RCX: 0000000000000000 [ 59.629393] RDX: ffff8880158a1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.630292] RBP: ffff88800f17f854 R08: 0000000000000001 R09: 0000000000000000 [ 59.631186] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.632102] R13: ffffffff84e23fe0 R14: ffff88800f17f848 R15: ffffffff84db0aa0 [ 59.633019] FS: 0000555555c8d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.634016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.634723] CR2: 00007f4a0f6cc6f4 CR3: 000000000f88e000 CR4: 0000000000350ef0 [ 59.635624] Call Trace: [ 59.635981] [ 59.636287] nf_ct_net_init+0x224/0x3d0 [ 59.636851] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.637425] ops_init+0xbb/0x6b0 [ 59.637909] setup_net+0x3d9/0x990 [ 59.638365] ? down_read_killable+0x1d7/0x4e0 [ 59.638961] ? __pfx_setup_net+0x10/0x10 [ 59.639469] ? copy_net_ns+0x17c/0x770 [ 59.640010] copy_net_ns+0x321/0x770 [ 59.640491] create_new_namespaces+0x3f6/0xb30 [ 59.641125] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.641772] ksys_unshare+0x44d/0x8e0 [ 59.642265] ? __pfx_ksys_unshare+0x10/0x10 [ 59.642846] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.643562] __x64_sys_unshare+0x31/0x40 [ 59.644119] do_syscall_64+0x3f/0x90 [ 59.644603] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.645271] RIP: 0033:0x7f07ab3c00d7 [ 59.645762] 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 [ 59.647920] RSP: 002b:00007ffdb7497418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.648883] RAX: ffffffffffffffda RBX: 00007ffdb7497a58 RCX: 00007f07ab3c00d7 [ 59.649768] RDX: 00007f07ab42a41f RSI: 00007ffdb74973b0 RDI: 0000000040000000 [ 59.650633] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb74971c0 [ 59.651516] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07ab4d2bf0 [ 59.652405] R13: 00007ffdb74974f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.653356] [ 59.653662] irq event stamp: 14875 [ 59.654120] hardirqs last enabled at (14887): [] __up_console_sem+0x78/0x80 [ 59.655225] hardirqs last disabled at (14906): [] __up_console_sem+0x5d/0x80 [ 59.656300] softirqs last enabled at (14902): [] irq_exit_rcu+0x93/0xc0 [ 59.657355] softirqs last disabled at (14895): [] irq_exit_rcu+0x93/0xc0 [ 59.658385] ---[ end trace 0000000000000000 ]--- [ 61.203324] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.250822] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.298908] Bluetooth: hci0: command 0x040f tx timeout [ 67.346802] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:25:09 Registers: info registers vcpu 0 RAX=0000000000000057 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801cdaf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000057 R11=0000000000000001 R12=0000000000000057 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 0000555555c8d400 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=00007f4a0f6cc6f4 CR3=000000000f88e000 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=0000000000022a0d 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=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=00007f5967ede130 CR3=000000001608a000 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=190ff89dd1f51d9b494b0cda2ff77e84 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=847bd2bc815f37f4000000000013b480 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f81e9160beb8e4da00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000