Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.283557] ------------[ cut here ]------------ [ 46.284688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.287205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.289152] Modules linked in: [ 46.289968] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.292491] Tainted: [W]=WARN [ 46.293185] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.295025] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.296203] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 46.300177] RSP: 0018:ffff88801a7bfbc0 EFLAGS: 00010286 [ 46.301446] RAX: 0000000000000000 RBX: ffffed10034f7f78 RCX: ffffffff813a4050 [ 46.303065] RDX: ffff888017731bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.304712] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034f7f2f [ 46.306350] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.307985] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a7bfdf8 [ 46.309634] FS: 00007fe696528900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.311553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.312642] CR2: 00007ffc92d34ef7 CR3: 000000000dc4c000 CR4: 0000000000350ef0 [ 46.313964] Call Trace: [ 46.314490] [ 46.314907] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.315817] ? __create_object+0x59/0x80 [ 46.316591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.317562] __vmalloc_noprof+0x59/0x60 [ 46.318272] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.319151] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.320088] bpf_prog_alloc+0x39/0x200 [ 46.320833] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.321771] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.322679] do_seccomp+0x349/0x25e0 [ 46.323376] ? find_held_lock+0x2b/0x80 [ 46.324160] ? do_prlimit+0x310/0x610 [ 46.324907] ? __pfx_do_seccomp+0x10/0x10 [ 46.325686] ? do_raw_spin_unlock+0x53/0x220 [ 46.326525] ? _raw_spin_unlock+0x1e/0x40 [ 46.327277] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.328238] ? static_key_count+0x60/0x80 [ 46.329028] prctl_set_seccomp+0x4e/0x70 [ 46.329795] __do_sys_prctl+0xe6c/0x1d70 [ 46.330588] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.331465] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.332386] ? irqentry_exit+0xf3/0x650 [ 46.333162] do_syscall_64+0xbf/0x430 [ 46.333904] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.334884] RIP: 0033:0x7fe696a1a5cd [ 46.335617] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 46.338824] RSP: 002b:00007ffc92d33c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.340208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe696a1a5cd [ 46.341491] RDX: 0000556e860fbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.342783] RBP: 00007ffc92d33cd0 R08: 0000000000000000 R09: 00007ffc92d33370 [ 46.343974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e8f10aad0 [ 46.345042] R13: 00007ffc92d34100 R14: 0000556e8f10bbc0 R15: 0000556e8f11c780 [ 46.346124] [ 46.346522] irq event stamp: 1773 [ 46.347022] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 46.348297] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 46.349564] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 46.350851] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 46.352121] ---[ end trace 0000000000000000 ]--- [ 50.184006] ------------[ cut here ]------------ [ 50.184956] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.186955] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 50.188437] Modules linked in: [ 50.189029] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.191052] Tainted: [W]=WARN [ 50.191661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.193125] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.194044] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 50.197221] RSP: 0018:ffff88801781fbc0 EFLAGS: 00010286 [ 50.198215] RAX: 0000000000000000 RBX: ffffed1002f03f78 RCX: ffffffff813a4050 [ 50.199498] RDX: ffff88801a6b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.200804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f03f2f [ 50.202082] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.203375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801781fdf8 [ 50.204669] FS: 00007ff873750900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.206115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.207168] CR2: 00007ffc961e7ef7 CR3: 000000001b6e3000 CR4: 0000000000350ef0 [ 50.208475] Call Trace: [ 50.208945] [ 50.209349] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.210253] ? __create_object+0x59/0x80 [ 50.211043] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.212034] __vmalloc_noprof+0x59/0x60 [ 50.212806] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.213683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.214623] bpf_prog_alloc+0x39/0x200 [ 50.215326] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.216271] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.217176] do_seccomp+0x349/0x25e0 [ 50.217903] ? find_held_lock+0x2b/0x80 [ 50.218679] ? do_prlimit+0x310/0x610 [ 50.219400] ? __pfx_do_seccomp+0x10/0x10 [ 50.220201] ? do_raw_spin_unlock+0x53/0x220 [ 50.221025] ? _raw_spin_unlock+0x1e/0x40 [ 50.221801] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.222766] ? static_key_count+0x60/0x80 [ 50.223575] prctl_set_seccomp+0x4e/0x70 [ 50.224307] __do_sys_prctl+0xe6c/0x1d70 [ 50.225098] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.225968] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.226953] ? irqentry_exit+0xf3/0x650 [ 50.227751] do_syscall_64+0xbf/0x430 [ 50.228493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.229471] RIP: 0033:0x7ff873c425cd [ 50.230143] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 50.233463] RSP: 002b:00007ffc961e5ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.234845] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff873c425cd [ 50.236126] RDX: 000056419e1b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.237425] RBP: 00007ffc961e5b40 R08: 0000000000000000 R09: 00007ffc961e51e0 [ 50.238715] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641a7ad8ad0 [ 50.240010] R13: 00007ffc961e5f70 R14: 00005641a7ad9bc0 R15: 00005641a7aea780 [ 50.241338] [ 50.241817] irq event stamp: 1853 [ 50.242466] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 50.243988] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 50.245360] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 50.246751] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100 [ 50.248126] ---[ end trace 0000000000000000 ]--- [ 50.992306] ------------[ cut here ]------------ [ 50.993236] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.995306] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.996993] Modules linked in: [ 50.997706] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.999697] Tainted: [W]=WARN [ 51.000255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.001737] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.002645] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 51.005841] RSP: 0018:ffff88801c8e7bc0 EFLAGS: 00010286 [ 51.006834] RAX: 0000000000000000 RBX: ffffed100391cf78 RCX: ffffffff813a4050 [ 51.008109] RDX: ffff88801726b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.009368] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100391cf2f [ 51.010625] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.011893] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c8e7df8 [ 51.013142] FS: 00007f9b8502e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.014523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.015598] CR2: 00007ffc5c23def7 CR3: 000000000bd51000 CR4: 0000000000350ef0 [ 51.016875] Call Trace: [ 51.017329] [ 51.017774] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.018664] ? __create_object+0x59/0x80 [ 51.019395] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.020351] __vmalloc_noprof+0x59/0x60 [ 51.021087] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.021950] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.022877] bpf_prog_alloc+0x39/0x200 [ 51.023609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.024516] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.025349] do_seccomp+0x349/0x25e0 [ 51.026048] ? find_held_lock+0x2b/0x80 [ 51.026778] ? do_prlimit+0x310/0x610 [ 51.027522] ? __pfx_do_seccomp+0x10/0x10 [ 51.028237] ? do_raw_spin_unlock+0x53/0x220 [ 51.029044] ? _raw_spin_unlock+0x1e/0x40 [ 51.029816] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.030770] ? static_key_count+0x60/0x80 [ 51.031584] prctl_set_seccomp+0x4e/0x70 [ 51.032313] __do_sys_prctl+0xe6c/0x1d70 [ 51.033073] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.033909] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.034862] ? irqentry_exit+0xf3/0x650 [ 51.035634] do_syscall_64+0xbf/0x430 [ 51.036307] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.037250] RIP: 0033:0x7f9b855205cd [ 51.037924] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 51.041005] RSP: 002b:00007ffc5c23cad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.042349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b855205cd [ 51.043627] RDX: 000055736458ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.044867] RBP: 00007ffc5c23cb30 R08: 0000000000000000 R09: 00007ffc5c23c1d0 [ 51.046252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557399320bf0 [ 51.047542] R13: 00007ffc5c23cf60 R14: 000055739932a380 R15: 0000557399335460 [ 51.048820] [ 51.049229] irq event stamp: 1787 [ 51.049876] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 51.051392] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 51.052924] softirqs last enabled at (1432): [] handle_softirqs+0x50c/0x770 [ 51.054450] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 51.055956] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63313' (ECDSA) to the list of known hosts. 2025/11/18 06:16:23 fuzzer started 2025/11/18 06:16:23 dialing manager at localhost:37895 2025/11/18 06:16:23 checking machine... 2025/11/18 06:16:23 checking revisions... [ 51.979147] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:16:23 testing simple program... [ 52.076992] cgroup: Unknown subsys name 'net' [ 52.154268] cgroup: Unknown subsys name 'cpuset' [ 52.181930] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:16:23 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888015f79bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888015f7a618 RDI=ffff888015f79bc0 RBP=ffff888015f7a618 RSP=ffff8880198af930 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015f7a618 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815273eb RFL=00000047 [---Z-PC] 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 00007ff873750900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdaa1fca548 CR3=0000000016f1b000 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=774bc2dee33960882a481216cb336761 XMM02=eff9b2d0a8fce9cb0000000000305640 XMM03=2c67c8bc2e329bc30000000000305768 XMM04=c4031534b141c9f300000000000ae988 XMM05=42ed835d49144cb20000000000321b48 XMM06=13b68458c651a9870000000000320578 XMM07=fb795ef6d65770560000000000310778 XMM08=2c67c8bc2e329bc30000000000305768 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0ce1eaa RBX=ffffffff8670f550 RCX=ffffffff8197a80a RDX=0000000000000000 RSI=ffffffff86a969fa RDI=ffffffff8670f530 RBP=ffffffff8670f530 RSP=ffff888015ed71f0 R8 =ffffffff86a969fa R9 =0000000000000000 R10=000000000003c9ed R11=000000000001fc5f R12=ffffffff8670f570 R13=ffffffff8670f530 R14=ffffffff8670f530 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000216 [----AP-] 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 00007f68de67a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff873d05650 CR3=000000000d93a000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732032323a3631 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343436 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000