Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.994077] ------------[ cut here ]------------ [ 38.995108] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.997282] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.998858] Modules linked in: [ 38.999490] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.001626] Tainted: [W]=WARN [ 39.003884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.006034] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.007035] 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 [ 39.010403] RSP: 0018:ffff88801714fbc0 EFLAGS: 00010286 [ 39.011436] RAX: 0000000000000000 RBX: ffffed1002e29f78 RCX: ffffffff813a4050 [ 39.012818] RDX: ffff88800ec95340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.014231] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e29f2f [ 39.015593] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.016965] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801714fdf8 [ 39.018351] FS: 00007f04e36f1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.019873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.020997] CR2: 00007f04e3be3580 CR3: 000000000b79d000 CR4: 0000000000350ef0 [ 39.022378] Call Trace: [ 39.022917] [ 39.023352] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.024301] ? __create_object+0x59/0x80 [ 39.025132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.026170] __vmalloc_noprof+0x59/0x60 [ 39.026978] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.027903] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.028895] bpf_prog_alloc+0x39/0x200 [ 39.029652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.030641] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.031601] do_seccomp+0x349/0x25e0 [ 39.032363] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.033324] ? __pfx_do_seccomp+0x10/0x10 [ 39.034165] ? find_held_lock+0x2b/0x80 [ 39.034978] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.036002] ? static_key_count+0x60/0x80 [ 39.036843] prctl_set_seccomp+0x4e/0x70 [ 39.037613] __do_sys_prctl+0xe6c/0x1d70 [ 39.038441] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.039330] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.040355] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.041372] ? irqentry_exit+0xf3/0x650 [ 39.042204] do_syscall_64+0xbf/0x430 [ 39.043003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.044023] RIP: 0033:0x7f04e3be35cd [ 39.044732] 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 [ 39.048153] RSP: 002b:00007ffeaba84880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.049616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04e3be35cd [ 39.050979] RDX: 000055f6f7b0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.052335] RBP: 00007ffeaba848e0 R08: 0000000000000000 R09: 00007ffeaba83f80 [ 39.053705] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f710e4a2b0 [ 39.055063] R13: 00007ffeaba84d10 R14: 000055f710e4cd20 R15: 000055f710e5e8d0 [ 39.056442] [ 39.056926] irq event stamp: 2193 [ 39.057564] hardirqs last enabled at (2201): [] __up_console_sem+0x78/0x80 [ 39.059093] hardirqs last disabled at (2210): [] __up_console_sem+0x5d/0x80 [ 39.060483] softirqs last enabled at (2008): [] handle_softirqs+0x50c/0x770 [ 39.061903] softirqs last disabled at (2003): [] __irq_exit_rcu+0xc4/0x100 [ 39.063283] ---[ end trace 0000000000000000 ]--- [ 42.580482] ------------[ cut here ]------------ [ 42.581496] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.583730] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.585363] Modules linked in: [ 42.586107] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.588555] Tainted: [W]=WARN [ 42.589279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.590899] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.591897] 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 [ 42.595359] RSP: 0018:ffff88801c9e7bc0 EFLAGS: 00010286 [ 42.596456] RAX: 0000000000000000 RBX: ffffed100393cf78 RCX: ffffffff813a4050 [ 42.597869] RDX: ffff88801580b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.599263] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100393cf2f [ 42.600662] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.602086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c9e7df8 [ 42.603544] FS: 00007f7fa816b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.605139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.606307] CR2: 00007fff6171eef7 CR3: 000000000e3b1000 CR4: 0000000000350ef0 [ 42.607735] Call Trace: [ 42.608292] [ 42.608747] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.609754] ? __create_object+0x59/0x80 [ 42.610627] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.611689] __vmalloc_noprof+0x59/0x60 [ 42.612524] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.613480] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.614521] bpf_prog_alloc+0x39/0x200 [ 42.615333] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.616358] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.617354] do_seccomp+0x349/0x25e0 [ 42.618167] ? find_held_lock+0x2b/0x80 [ 42.619012] ? do_prlimit+0x310/0x610 [ 42.619843] ? __pfx_do_seccomp+0x10/0x10 [ 42.620677] ? do_raw_spin_unlock+0x53/0x220 [ 42.621603] ? _raw_spin_unlock+0x1e/0x40 [ 42.622476] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.623549] ? static_key_count+0x60/0x80 [ 42.624427] prctl_set_seccomp+0x4e/0x70 [ 42.625282] __do_sys_prctl+0xe6c/0x1d70 [ 42.626159] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.627104] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.628177] ? irqentry_exit+0xf3/0x650 [ 42.629016] do_syscall_64+0xbf/0x430 [ 42.629833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.630867] RIP: 0033:0x7f7fa865d5cd [ 42.631607] 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 [ 42.635160] RSP: 002b:00007fff6171c790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.636674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fa865d5cd [ 42.638111] RDX: 0000555966d50e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.639335] RBP: 00007fff6171c7f0 R08: 0000000000000000 R09: 00007fff6171be90 [ 42.640549] R10: 0000000000000000 R11: 0000000000000246 R12: 000055598f3a2ad0 [ 42.641781] R13: 00007fff6171cc20 R14: 000055598f3a3bc0 R15: 000055598f3b4780 [ 42.643035] [ 42.643437] irq event stamp: 1787 [ 42.644051] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.645513] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.647010] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.648509] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 42.650007] ---[ end trace 0000000000000000 ]--- [ 43.496302] ------------[ cut here ]------------ [ 43.497246] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.499242] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.500674] Modules linked in: [ 43.501310] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.503293] Tainted: [W]=WARN [ 43.503885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.505356] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.506268] 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 [ 43.509421] RSP: 0018:ffff8880185e7bc0 EFLAGS: 00010286 [ 43.510431] RAX: 0000000000000000 RBX: ffffed10030bcf78 RCX: ffffffff813a4050 [ 43.511715] RDX: ffff88800f390000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.512992] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030bcf2f [ 43.514304] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.515593] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880185e7df8 [ 43.516872] FS: 00007fd1c566b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.518323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.519375] CR2: 00007ffe9f738ef7 CR3: 000000001fae5000 CR4: 0000000000350ef0 [ 43.520673] Call Trace: [ 43.521166] [ 43.521573] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.522478] ? __create_object+0x59/0x80 [ 43.523264] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.524259] __vmalloc_noprof+0x59/0x60 [ 43.525034] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.525919] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.526845] bpf_prog_alloc+0x39/0x200 [ 43.527537] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.528462] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.529358] do_seccomp+0x349/0x25e0 [ 43.530137] ? find_held_lock+0x2b/0x80 [ 43.530899] ? do_prlimit+0x310/0x610 [ 43.531594] ? __pfx_do_seccomp+0x10/0x10 [ 43.532374] ? do_raw_spin_unlock+0x53/0x220 [ 43.533210] ? _raw_spin_unlock+0x1e/0x40 [ 43.534009] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.534969] ? static_key_count+0x60/0x80 [ 43.535721] prctl_set_seccomp+0x4e/0x70 [ 43.536498] __do_sys_prctl+0xe6c/0x1d70 [ 43.537293] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.538168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.539140] ? irqentry_exit+0xf3/0x650 [ 43.539910] do_syscall_64+0xbf/0x430 [ 43.540618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.541567] RIP: 0033:0x7fd1c5b5d5cd [ 43.542270] 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 [ 43.545441] RSP: 002b:00007ffe9f737120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.546815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1c5b5d5cd [ 43.548080] RDX: 00005582e2c82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.549375] RBP: 00007ffe9f737180 R08: 0000000000000000 R09: 00007ffe9f736820 [ 43.550677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558322429bf0 [ 43.551962] R13: 00007ffe9f7375b0 R14: 0000558322433380 R15: 000055832243e460 [ 43.553270] [ 43.553707] irq event stamp: 1753 [ 43.554298] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 43.555585] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 43.556863] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 43.558168] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 43.559427] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34543' (ECDSA) to the list of known hosts. 2025/11/17 17:43:09 fuzzer started 2025/11/17 17:43:10 dialing manager at localhost:37895 2025/11/17 17:43:10 checking machine... 2025/11/17 17:43:10 checking revisions... [ 44.521994] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:43:10 testing simple program... [ 44.613499] cgroup: Unknown subsys name 'net' [ 44.682486] cgroup: Unknown subsys name 'cpuset' [ 44.697487] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:43:09 Registers: info registers vcpu 0 RAX=ffffffff8175a47e RBX=ffffffff85e78700 RCX=ffffffff8175a49f RDX=ffff888015570000 RSI=ffffffff8175a5a5 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88801556f5e8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007fbbeae26c64 R13=0000000000000000 R14=ffff888015570000 R15=ffff888008c41780 RIP=ffffffff81751c78 RFL=00000202 [-------] 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 00007fbbea56d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd818f5dd8 CR3=000000000dace000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=84a788fb8458703600000000000ae988 XMM05=389273f17c882e1f0000000000321b00 XMM06=090f1556b20111b3000000000031fcc8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88800f147d58 RDI=ffff88806cf31cd0 RBP=ffff88800f140000 RSP=ffff88800f147768 R8 =0000000000000001 R9 =ffff88800f147828 R10=000000000003c9ed R11=0000000000029434 R12=ffff88800f147801 R13=ffff88800f147830 R14=ffff88800f147d58 R15=ffff88800f1477e8 RIP=ffffffff815bcfa0 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 00007f7fa816b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff61716000 CR3=000000000db7f000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000