Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.942115] ------------[ cut here ]------------ [ 38.943036] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.945554] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.947052] Modules linked in: [ 38.947633] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.949623] Tainted: [W]=WARN [ 38.950226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.951657] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.952577] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.955737] RSP: 0018:ffff8880180efbc0 EFLAGS: 00010286 [ 38.956682] RAX: 0000000000000000 RBX: ffffed100301df78 RCX: ffffffff813a4050 [ 38.957981] RDX: ffff88800a363780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.959224] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100301df2f [ 38.960477] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.961780] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180efdf8 [ 38.963055] FS: 00007ff3bc26b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.964456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.965539] CR2: 00007fff06285ef8 CR3: 000000000e5ed000 CR4: 0000000000350ef0 [ 38.966826] Call Trace: [ 38.967282] [ 38.967681] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.968572] ? __create_object+0x59/0x80 [ 38.969347] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.970351] __vmalloc_noprof+0x59/0x60 [ 38.971108] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.971965] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.972895] bpf_prog_alloc+0x39/0x200 [ 38.973608] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.974521] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.975404] do_seccomp+0x349/0x25e0 [ 38.976106] ? find_held_lock+0x2b/0x80 [ 38.976858] ? do_prlimit+0x310/0x610 [ 38.977572] ? __pfx_do_seccomp+0x10/0x10 [ 38.978344] ? do_raw_spin_unlock+0x53/0x220 [ 38.979165] ? _raw_spin_unlock+0x1e/0x40 [ 38.979940] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.980885] ? static_key_count+0x60/0x80 [ 38.981664] prctl_set_seccomp+0x4e/0x70 [ 38.982426] __do_sys_prctl+0xe6c/0x1d70 [ 38.983193] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.984038] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.984995] ? irqentry_exit+0xf3/0x650 [ 38.985728] do_syscall_64+0xbf/0x430 [ 38.986461] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.987395] RIP: 0033:0x7ff3bc75d5cd [ 38.988111] 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 [ 38.991275] RSP: 002b:00007fff062840c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.992617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3bc75d5cd [ 38.993928] RDX: 000055e09b5abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.995189] RBP: 00007fff06284120 R08: 0000000000000000 R09: 00007fff062837c0 [ 38.996445] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0ad2782b0 [ 38.997749] R13: 00007fff06284550 R14: 000055e0ad27ad20 R15: 000055e0ad28c8d0 [ 38.999039] [ 38.999455] irq event stamp: 1823 [ 39.000098] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 39.001640] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 39.003126] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 39.004638] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 39.006171] ---[ end trace 0000000000000000 ]--- [ 41.735014] ------------[ cut here ]------------ [ 41.735925] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.737934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.739399] Modules linked in: [ 41.740046] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.742067] Tainted: [W]=WARN [ 41.742631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.744132] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.745067] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 41.748311] RSP: 0018:ffff888016dd7bc0 EFLAGS: 00010286 [ 41.749310] RAX: 0000000000000000 RBX: ffffed1002dbaf78 RCX: ffffffff813a4050 [ 41.750648] RDX: ffff888016629bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.751953] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbaf2f [ 41.753264] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.754594] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dd7df8 [ 41.755913] FS: 00007fa6c9723900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.757388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.758484] CR2: 00007fa6c9c15580 CR3: 000000001f22a000 CR4: 0000000000350ef0 [ 41.759795] Call Trace: [ 41.760299] [ 41.760716] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.761641] ? __create_object+0x59/0x80 [ 41.762424] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.763417] __vmalloc_noprof+0x59/0x60 [ 41.764190] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.765076] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.766036] bpf_prog_alloc+0x39/0x200 [ 41.766747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.767689] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.768593] do_seccomp+0x349/0x25e0 [ 41.769308] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.770240] ? __pfx_do_seccomp+0x10/0x10 [ 41.771046] ? find_held_lock+0x2b/0x80 [ 41.771775] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.772763] ? static_key_count+0x60/0x80 [ 41.773589] prctl_set_seccomp+0x4e/0x70 [ 41.774381] __do_sys_prctl+0xe6c/0x1d70 [ 41.775176] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.776050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.777034] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.778028] ? irqentry_exit+0xf3/0x650 [ 41.778766] do_syscall_64+0xbf/0x430 [ 41.779527] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.780498] RIP: 0033:0x7fa6c9c155cd [ 41.781216] 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 [ 41.784414] RSP: 002b:00007ffd32f76fe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.785783] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6c9c155cd [ 41.787077] RDX: 0000561e05958e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.788338] RBP: 00007ffd32f77040 R08: 0000000000000000 R09: 00007ffd32f766e0 [ 41.789640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e2e5622b0 [ 41.790948] R13: 00007ffd32f77470 R14: 0000561e2e564d20 R15: 0000561e2e5768d0 [ 41.792249] [ 41.792674] irq event stamp: 1703 [ 41.793324] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 41.794880] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 41.796419] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 41.798000] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 41.799519] ---[ end trace 0000000000000000 ]--- [ 42.545219] ------------[ cut here ]------------ [ 42.546184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.548129] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.549766] Modules linked in: [ 42.550600] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.552576] Tainted: [W]=WARN [ 42.553168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.554662] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.555579] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.558738] RSP: 0018:ffff88800db9fbc0 EFLAGS: 00010286 [ 42.559723] RAX: 0000000000000000 RBX: ffffed1001b73f78 RCX: ffffffff813a4050 [ 42.560988] RDX: ffff8880141db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.562281] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b73f2f [ 42.563548] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.564833] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800db9fdf8 [ 42.566159] FS: 00007ff994513900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.567582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.568623] CR2: 00007ff994a05580 CR3: 000000000cf2f000 CR4: 0000000000350ef0 [ 42.569939] Call Trace: [ 42.570406] [ 42.570860] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.571701] ? __create_object+0x59/0x80 [ 42.572475] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.573439] __vmalloc_noprof+0x59/0x60 [ 42.574237] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.575112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.576039] bpf_prog_alloc+0x39/0x200 [ 42.576724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.577677] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.578578] do_seccomp+0x349/0x25e0 [ 42.579303] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.580203] ? __pfx_do_seccomp+0x10/0x10 [ 42.580998] ? find_held_lock+0x2b/0x80 [ 42.581750] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.582701] ? static_key_count+0x60/0x80 [ 42.583498] prctl_set_seccomp+0x4e/0x70 [ 42.584267] __do_sys_prctl+0xe6c/0x1d70 [ 42.585036] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.585924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.586890] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.587848] ? irqentry_exit+0xf3/0x650 [ 42.588558] do_syscall_64+0xbf/0x430 [ 42.589295] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.590298] RIP: 0033:0x7ff994a055cd [ 42.591017] 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 [ 42.594178] RSP: 002b:00007fff370b0090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.595537] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff994a055cd [ 42.596795] RDX: 000055e8012ade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.598131] RBP: 00007fff370b00f0 R08: 0000000000000000 R09: 00007fff370af790 [ 42.599359] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e831259ad0 [ 42.600416] R13: 00007fff370b0520 R14: 000055e83125abc0 R15: 000055e83126b780 [ 42.601517] [ 42.601912] irq event stamp: 1883 [ 42.602414] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 42.603663] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 42.604915] softirqs last enabled at (1396): [] handle_softirqs+0x50c/0x770 [ 42.606222] softirqs last disabled at (1919): [] __irq_exit_rcu+0xc4/0x100 [ 42.607483] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39170' (ECDSA) to the list of known hosts. 2025/11/18 22:29:29 fuzzer started 2025/11/18 22:29:29 dialing manager at localhost:34383 2025/11/18 22:29:29 checking machine... 2025/11/18 22:29:29 checking revisions... [ 43.578722] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:29:29 testing simple program... [ 43.671488] cgroup: Unknown subsys name 'net' [ 43.726237] cgroup: Unknown subsys name 'cpuset' [ 43.739129] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:29:28 Registers: info registers vcpu 0 RAX=7fffffffffffffff RBX=0000000000000000 RCX=ffffffff8166bd6e RDX=ffffffff85c2ca00 RSI=7fffffffffffffff RDI=0000000000000007 RBP=00000009d36f6a80 RSP=ffff88806ce08f08 R8 =0000000000000000 R9 =ffffed100d9c50a0 R10=00000009d36f6a80 R11=0000000000000001 R12=ffff88806ce23b00 R13=ffff88806ce2854c R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff81751e04 RFL=00000097 [--S-APC] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd31893a008 CR3=000000000a047000 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=741bcc280a2c0c89874e1cfeea5cb9fc XMM02=0000000000302008eff9b2d0a8fce9cb XMM03=00000000003020d82c67c8bc2e329bc3 XMM04=75f27991bf0617c400000000000ae988 XMM05=07c8bb74b6c04a44000000000031e7e0 XMM06=d74844bf967d85ba000000000031e668 XMM07=e042d86d42eb936e000000000030f650 XMM08=ca05996f817d328900000000003020d8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffed1003e07704 RBX=ffff88801f03b818 RCX=ffffffff8152da53 RDX=ffffed1003e07704 RSI=0000000000000004 RDI=ffff88801f03b818 RBP=ffffed1003e07703 RSP=ffff88800f2bf900 R8 =0000000000000000 R9 =ffffed1003e07703 R10=ffff88801f03b81b R11=0000000000000001 R12=ffffea00007c10c0 R13=0000000000000000 R14=ffff88801f043dc0 R15=ffff8880096c78c0 RIP=ffffffff81b2d177 RFL=00000046 [---Z-P-] 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 00007fa6c9723900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd32f71000 CR3=000000001f1f6000 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=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