Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.043846] ------------[ cut here ]------------ [ 39.044758] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.046742] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.048191] Modules linked in: [ 39.048781] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.051022] Tainted: [W]=WARN [ 39.051578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.053102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.054019] 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 [ 39.057192] RSP: 0018:ffff88801375fbc0 EFLAGS: 00010286 [ 39.058164] RAX: 0000000000000000 RBX: ffffed10026ebf78 RCX: ffffffff813a4050 [ 39.059433] RDX: ffff888019c10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.060706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10026ebf2f [ 39.061973] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.063239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801375fdf8 [ 39.064504] FS: 00007f314d4f2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.065921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.066955] CR2: 00007f314d9e4580 CR3: 000000000d0ba000 CR4: 0000000000350ef0 [ 39.068225] Call Trace: [ 39.068685] [ 39.069115] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.070021] ? __create_object+0x59/0x80 [ 39.070753] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.071699] __vmalloc_noprof+0x59/0x60 [ 39.072434] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.073306] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.074235] bpf_prog_alloc+0x39/0x200 [ 39.074958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.075847] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.076729] do_seccomp+0x349/0x25e0 [ 39.077429] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.078308] ? __pfx_do_seccomp+0x10/0x10 [ 39.079100] ? find_held_lock+0x2b/0x80 [ 39.079802] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.080744] ? static_key_count+0x60/0x80 [ 39.081534] prctl_set_seccomp+0x4e/0x70 [ 39.082281] __do_sys_prctl+0xe6c/0x1d70 [ 39.083047] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.083848] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.084795] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.085748] ? irqentry_exit+0xf3/0x650 [ 39.086501] do_syscall_64+0xbf/0x430 [ 39.087228] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.088164] RIP: 0033:0x7f314d9e45cd [ 39.088811] 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 [ 39.091950] RSP: 002b:00007ffd130a8c60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.093310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f314d9e45cd [ 39.094560] RDX: 00005593646a1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.095823] RBP: 00007ffd130a8cc0 R08: 0000000000000000 R09: 00007ffd130a8360 [ 39.097100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559381d1f240 [ 39.098394] R13: 00007ffd130a90f0 R14: 0000559381d1ebf0 R15: 0000559381d334d0 [ 39.099674] [ 39.100116] irq event stamp: 1795 [ 39.100718] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 39.102228] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 39.103720] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 39.105263] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 39.106753] ---[ end trace 0000000000000000 ]--- [ 41.714008] ------------[ cut here ]------------ [ 41.714747] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.716442] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.717673] Modules linked in: [ 41.718215] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.719888] Tainted: [W]=WARN [ 41.720347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.721576] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.722333] 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 [ 41.724963] RSP: 0018:ffff88801753fbc0 EFLAGS: 00010286 [ 41.725755] RAX: 0000000000000000 RBX: ffffed1002ea7f78 RCX: ffffffff813a4050 [ 41.726843] RDX: ffff888017063780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.727948] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea7f2f [ 41.729041] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.730148] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801753fdf8 [ 41.731235] FS: 00007f517567d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.732435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.733322] CR2: 00007ffd6032def8 CR3: 000000001ff81000 CR4: 0000000000350ef0 [ 41.734397] Call Trace: [ 41.734777] [ 41.735154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.735853] ? __create_object+0x59/0x80 [ 41.736507] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.737325] __vmalloc_noprof+0x59/0x60 [ 41.737964] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.738645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.739415] bpf_prog_alloc+0x39/0x200 [ 41.740027] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.740756] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.741514] do_seccomp+0x349/0x25e0 [ 41.742124] ? find_held_lock+0x2b/0x80 [ 41.742708] ? do_prlimit+0x310/0x610 [ 41.743329] ? __pfx_do_seccomp+0x10/0x10 [ 41.743983] ? do_raw_spin_unlock+0x53/0x220 [ 41.744632] ? _raw_spin_unlock+0x1e/0x40 [ 41.745289] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.746086] ? static_key_count+0x60/0x80 [ 41.746716] prctl_set_seccomp+0x4e/0x70 [ 41.747356] __do_sys_prctl+0xe6c/0x1d70 [ 41.748013] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.748681] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.749498] ? irqentry_exit+0xf3/0x650 [ 41.750134] do_syscall_64+0xbf/0x430 [ 41.750719] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.751508] RIP: 0033:0x7f5175b6f5cd [ 41.752100] 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 [ 41.754723] RSP: 002b:00007ffd6032c6a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.755885] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5175b6f5cd [ 41.756951] RDX: 0000565325a83e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.758024] RBP: 00007ffd6032c700 R08: 0000000000000000 R09: 00007ffd6032bda0 [ 41.759093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565334a4dad0 [ 41.760151] R13: 00007ffd6032cb30 R14: 0000565334a4ebc0 R15: 0000565334a5f780 [ 41.761235] [ 41.761584] irq event stamp: 1723 [ 41.762127] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 41.763399] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 41.764674] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 41.765993] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 41.767281] ---[ end trace 0000000000000000 ]--- [ 42.507903] ------------[ cut here ]------------ [ 42.508993] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.511356] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.513304] Modules linked in: [ 42.514107] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.516417] Tainted: [W]=WARN [ 42.517118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.518893] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.519945] 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 [ 42.523646] RSP: 0018:ffff88801b0efbc0 EFLAGS: 00010286 [ 42.524781] RAX: 0000000000000000 RBX: ffffed100361df78 RCX: ffffffff813a4050 [ 42.526283] RDX: ffff8880162f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.527785] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100361df2f [ 42.529298] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.530795] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b0efdf8 [ 42.532316] FS: 00007fa097d3b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.533995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.535264] CR2: 00007ffcc0e61ef8 CR3: 000000000d271000 CR4: 0000000000350ef0 [ 42.536783] Call Trace: [ 42.537383] [ 42.537928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.538989] ? __create_object+0x59/0x80 [ 42.539831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.541027] __vmalloc_noprof+0x59/0x60 [ 42.541924] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.542934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.544024] bpf_prog_alloc+0x39/0x200 [ 42.544836] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.545958] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.546848] do_seccomp+0x349/0x25e0 [ 42.547622] ? find_held_lock+0x2b/0x80 [ 42.548413] ? do_prlimit+0x310/0x610 [ 42.549201] ? __pfx_do_seccomp+0x10/0x10 [ 42.550030] ? do_raw_spin_unlock+0x53/0x220 [ 42.550824] ? _raw_spin_unlock+0x1e/0x40 [ 42.551647] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.552623] ? static_key_count+0x60/0x80 [ 42.553483] prctl_set_seccomp+0x4e/0x70 [ 42.554287] __do_sys_prctl+0xe6c/0x1d70 [ 42.555080] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.555972] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.556974] ? irqentry_exit+0xf3/0x650 [ 42.557726] do_syscall_64+0xbf/0x430 [ 42.558500] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.559470] RIP: 0033:0x7fa09822d5cd [ 42.560187] 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 [ 42.563393] RSP: 002b:00007ffcc0e60b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.564768] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa09822d5cd [ 42.566058] RDX: 000055c2d45c1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.567123] RBP: 00007ffcc0e60b70 R08: 0000000000000000 R09: 00007ffcc0e60210 [ 42.568194] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2fb53c2b0 [ 42.569277] R13: 00007ffcc0e60fa0 R14: 000055c2fb53ed20 R15: 000055c2fb5508d0 [ 42.570361] [ 42.570707] irq event stamp: 1901 [ 42.571263] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 42.572515] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 42.573808] softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 [ 42.575082] softirqs last disabled at (1845): [] __irq_exit_rcu+0xc4/0x100 [ 42.576352] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57148' (ECDSA) to the list of known hosts. 2025/11/17 12:58:53 fuzzer started 2025/11/17 12:58:53 dialing manager at localhost:37895 2025/11/17 12:58:53 checking machine... 2025/11/17 12:58:53 checking revisions... [ 43.487130] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:58:53 testing simple program... [ 43.569618] cgroup: Unknown subsys name 'net' [ 43.653135] cgroup: Unknown subsys name 'cpuset' [ 43.665567] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:58:52 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801749f798 RCX=ffffffff83d6ebac RDX=ffff888017065340 RSI=ffffffff83d933e8 RDI=ffffffff864649a0 RBP=0000000000000000 RSP=ffff88801749f718 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000000001 R12=dffffc0000000000 R13=ffff88801749f798 R14=ffff888019f0b608 R15=ffffffff83d6e690 RIP=ffffffff84c83382 RFL=00000293 [--S-A-C] 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 00007f517567d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5175c34618 CR3=000000001ff15000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001eb75 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbfbd5e1008 CR3=000000000b6fe000 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=7892a444d2614684de44cad05836858f XMM02=0000000000300e70ec2efd57dc4c00df XMM03=000000000030e4f8002f913d0fb9eb85 XMM04=c37304be63f0be2500000000000ae988 XMM05=090f1556b20111b3000000000031ee90 XMM06=5b75c91c80445342000000000031ed18 XMM07=e042d86d42eb936e000000000030e778 XMM08=002f913d0fb9eb850000000000300ed0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000