Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20218' (ECDSA) to the list of known hosts. 2023/05/17 00:49:47 fuzzer started 2023/05/17 00:49:47 dialing manager at localhost:35573 2023/05/17 00:49:47 checking machine... 2023/05/17 00:49:47 checking revisions... syzkaller login: [ 39.590761] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:49:47 testing simple program... [ 39.663877] cgroup: Unknown subsys name 'net' [ 39.740204] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.927705] audit: type=1400 audit(1684284601.233:6): 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 [ 54.102183] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.103814] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.106728] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.117033] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.118688] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.119917] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.513066] ------------[ cut here ]------------ [ 54.513729] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.515525] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.516595] Modules linked in: [ 54.517007] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.522299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.523492] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.524238] 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 [ 54.526407] RSP: 0018:ffff88800dbf7c00 EFLAGS: 00010282 [ 54.527056] RAX: 0000000000000000 RBX: ffff88800d75dc40 RCX: 0000000000000000 [ 54.527945] RDX: ffff8880145dd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.528839] RBP: ffff88800d75dc54 R08: 0000000000000001 R09: 0000000000000000 [ 54.529727] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.530626] R13: ffffffff84e223a0 R14: ffff88800d75dc48 R15: ffffffff84d73340 [ 54.531518] FS: 0000555555577400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.532528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.533270] CR2: 00007fff2cb2d000 CR3: 000000000f6d4000 CR4: 0000000000350ef0 [ 54.534153] Call Trace: [ 54.534483] [ 54.534775] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.535413] ipv4_frags_init_net+0x269/0x440 [ 54.535972] ops_init+0xbb/0x6b0 [ 54.536454] setup_net+0x3d9/0x990 [ 54.536909] ? down_read_killable+0x1d7/0x4e0 [ 54.537498] ? __pfx_setup_net+0x10/0x10 [ 54.538005] ? copy_net_ns+0x17c/0x770 [ 54.538544] copy_net_ns+0x321/0x770 [ 54.539022] create_new_namespaces+0x3f6/0xb30 [ 54.539629] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.540302] ksys_unshare+0x44d/0x8e0 [ 54.540793] ? __pfx_ksys_unshare+0x10/0x10 [ 54.541370] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.542088] __x64_sys_unshare+0x31/0x40 [ 54.542639] do_syscall_64+0x3f/0x90 [ 54.543143] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.543789] RIP: 0033:0x7f0c50a770d7 [ 54.544300] 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 [ 54.546508] RSP: 002b:00007ffd500ef598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.547464] RAX: ffffffffffffffda RBX: 00007ffd500efbd8 RCX: 00007f0c50a770d7 [ 54.548375] RDX: 00007f0c50ae141f RSI: 00007ffd500ef530 RDI: 0000000040000000 [ 54.549275] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd500ef340 [ 54.550170] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c50b89bf0 [ 54.551021] R13: 00007ffd500ef670 R14: 0000000000000000 R15: 00000000000000f8 [ 54.551941] [ 54.552288] irq event stamp: 8333 [ 54.552721] hardirqs last enabled at (8343): [] __up_console_sem+0x78/0x80 [ 54.553794] hardirqs last disabled at (8354): [] __up_console_sem+0x5d/0x80 [ 54.554870] softirqs last enabled at (7894): [] irq_exit_rcu+0x93/0xc0 [ 54.555934] softirqs last disabled at (7869): [] irq_exit_rcu+0x93/0xc0 [ 54.556974] ---[ end trace 0000000000000000 ]--- [ 54.562366] ------------[ cut here ]------------ [ 54.562956] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.564675] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.565758] Modules linked in: [ 54.566194] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.567380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.568413] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.569062] 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 [ 54.571251] RSP: 0018:ffff88800dbf7c00 EFLAGS: 00010282 [ 54.571920] RAX: 0000000000000000 RBX: ffff88800f0c6840 RCX: 0000000000000000 [ 54.572851] RDX: ffff8880145dd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.573762] RBP: ffff88800f0c6854 R08: 0000000000000001 R09: 0000000000000000 [ 54.574656] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.575554] R13: ffffffff84e223a0 R14: ffff88800f0c6848 R15: ffffffff84da62e0 [ 54.576484] FS: 0000555555577400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.577480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.578241] CR2: 00007fff2cb2d000 CR3: 000000000f6d4000 CR4: 0000000000350ef0 [ 54.579137] Call Trace: [ 54.579474] [ 54.579774] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.580456] ipv6_frags_init_net+0x206/0x3c0 [ 54.581012] ops_init+0xbb/0x6b0 [ 54.581485] setup_net+0x3d9/0x990 [ 54.581954] ? down_read_killable+0x1d7/0x4e0 [ 54.582565] ? __pfx_setup_net+0x10/0x10 [ 54.583087] ? copy_net_ns+0x17c/0x770 [ 54.583623] copy_net_ns+0x321/0x770 [ 54.584141] create_new_namespaces+0x3f6/0xb30 [ 54.584737] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.585385] ksys_unshare+0x44d/0x8e0 [ 54.585891] ? __pfx_ksys_unshare+0x10/0x10 [ 54.586481] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.587230] __x64_sys_unshare+0x31/0x40 [ 54.587758] do_syscall_64+0x3f/0x90 [ 54.588271] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.588933] RIP: 0033:0x7f0c50a770d7 [ 54.589439] 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 [ 54.591652] RSP: 002b:00007ffd500ef598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.592640] RAX: ffffffffffffffda RBX: 00007ffd500efbd8 RCX: 00007f0c50a770d7 [ 54.593535] RDX: 00007f0c50ae141f RSI: 00007ffd500ef530 RDI: 0000000040000000 [ 54.594437] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd500ef340 [ 54.595340] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c50b89bf0 [ 54.596244] R13: 00007ffd500ef670 R14: 0000000000000000 R15: 00000000000000f8 [ 54.597153] [ 54.597454] irq event stamp: 10345 [ 54.597890] hardirqs last enabled at (10355): [] __up_console_sem+0x78/0x80 [ 54.598974] hardirqs last disabled at (10366): [] __up_console_sem+0x5d/0x80 [ 54.600061] softirqs last enabled at (10252): [] irq_exit_rcu+0x93/0xc0 [ 54.601134] softirqs last disabled at (10243): [] irq_exit_rcu+0x93/0xc0 [ 54.602190] ---[ end trace 0000000000000000 ]--- [ 54.603527] ------------[ cut here ]------------ [ 54.604157] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.606030] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.607121] Modules linked in: [ 54.607539] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.608724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.609747] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.610440] 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 [ 54.612664] RSP: 0018:ffff88800dbf7bf0 EFLAGS: 00010286 [ 54.613357] RAX: 0000000000000000 RBX: ffff888008d5d240 RCX: 0000000000000000 [ 54.614259] RDX: ffff8880145dd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.615163] RBP: ffff888008d5d254 R08: 0000000000000001 R09: 0000000000000000 [ 54.616030] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.616929] R13: ffffffff84e223a0 R14: ffff888008d5d248 R15: ffffffff84daf020 [ 54.617824] FS: 0000555555577400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.618842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.619593] CR2: 00007fff2cb2d000 CR3: 000000000f6d4000 CR4: 0000000000350ef0 [ 54.620516] Call Trace: [ 54.620851] [ 54.621195] nf_ct_net_init+0x224/0x3d0 [ 54.621713] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.622320] ops_init+0xbb/0x6b0 [ 54.622762] setup_net+0x3d9/0x990 [ 54.623238] ? down_read_killable+0x1d7/0x4e0 [ 54.623807] ? __pfx_setup_net+0x10/0x10 [ 54.624361] ? copy_net_ns+0x17c/0x770 [ 54.624872] copy_net_ns+0x321/0x770 [ 54.625385] create_new_namespaces+0x3f6/0xb30 [ 54.625976] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.626627] ksys_unshare+0x44d/0x8e0 [ 54.627149] ? __pfx_ksys_unshare+0x10/0x10 [ 54.627706] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.628488] __x64_sys_unshare+0x31/0x40 [ 54.629017] do_syscall_64+0x3f/0x90 [ 54.629532] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.630197] RIP: 0033:0x7f0c50a770d7 [ 54.630661] 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 [ 54.632846] RSP: 002b:00007ffd500ef598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.633793] RAX: ffffffffffffffda RBX: 00007ffd500efbd8 RCX: 00007f0c50a770d7 [ 54.634688] RDX: 00007f0c50ae141f RSI: 00007ffd500ef530 RDI: 0000000040000000 [ 54.635586] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd500ef340 [ 54.636499] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c50b89bf0 [ 54.637390] R13: 00007ffd500ef670 R14: 0000000000000000 R15: 00000000000000f8 [ 54.638312] [ 54.638616] irq event stamp: 11185 [ 54.639049] hardirqs last enabled at (11195): [] __up_console_sem+0x78/0x80 [ 54.640134] hardirqs last disabled at (11206): [] __up_console_sem+0x5d/0x80 [ 54.641210] softirqs last enabled at (10892): [] irq_exit_rcu+0x93/0xc0 [ 54.642259] softirqs last disabled at (10887): [] irq_exit_rcu+0x93/0xc0 [ 54.643311] ---[ end trace 0000000000000000 ]--- [ 56.182857] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.231701] Bluetooth: hci0: command 0x041b tx timeout [ 60.278504] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.326495] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:50:00 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800dbf75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555577400 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=00007fff2cb2d000 CR3=000000000f6d4000 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=0000000000033379 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=00007f1eae00b000 CR3=000000000eb52000 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=57c51bd278eeb9800e432c5a07f16598 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=2acfc78b90124b97000000000013bf20 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1ca1ae66e52e650c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000