Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.906585] ------------[ cut here ]------------ [ 38.907459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.909411] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.910801] Modules linked in: [ 38.911426] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.913566] Tainted: [W]=WARN [ 38.914102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.915580] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.916464] 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 [ 38.919516] RSP: 0018:ffff88800a51fbc0 EFLAGS: 00010286 [ 38.920468] RAX: 0000000000000000 RBX: ffffed10014a3f78 RCX: ffffffff813a4050 [ 38.921716] RDX: ffff8880158f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.922962] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014a3f2f [ 38.924226] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.925473] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a51fdf8 [ 38.926710] FS: 00007fa3aba2b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.928098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.929163] CR2: 00007ffed798def8 CR3: 000000000d1e8000 CR4: 0000000000350ef0 [ 38.930414] Call Trace: [ 38.930862] [ 38.931296] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.932126] ? __create_object+0x59/0x80 [ 38.932889] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.933824] __vmalloc_noprof+0x59/0x60 [ 38.934566] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.935408] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.936308] bpf_prog_alloc+0x39/0x200 [ 38.936992] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.937899] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.938778] do_seccomp+0x349/0x25e0 [ 38.939481] ? find_held_lock+0x2b/0x80 [ 38.940182] ? do_prlimit+0x310/0x610 [ 38.940914] ? __pfx_do_seccomp+0x10/0x10 [ 38.941677] ? do_raw_spin_unlock+0x53/0x220 [ 38.942496] ? _raw_spin_unlock+0x1e/0x40 [ 38.943246] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.944144] ? static_key_count+0x60/0x80 [ 38.944955] prctl_set_seccomp+0x4e/0x70 [ 38.945720] __do_sys_prctl+0xe6c/0x1d70 [ 38.946481] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.947340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.948301] ? irqentry_exit+0xf3/0x650 [ 38.949023] do_syscall_64+0xbf/0x430 [ 38.949751] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.950707] RIP: 0033:0x7fa3abf1d5cd [ 38.951399] 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 [ 38.954524] RSP: 002b:00007ffed798bef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.955860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3abf1d5cd [ 38.957119] RDX: 0000562c0fe08e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.958362] RBP: 00007ffed798bf50 R08: 0000000000000000 R09: 00007ffed798b5f0 [ 38.959607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c2c9e3b10 [ 38.960881] R13: 00007ffed798c380 R14: 0000562c2c9e42b0 R15: 0000562c2c9f86f0 [ 38.962173] [ 38.962629] irq event stamp: 1817 [ 38.963260] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 38.964748] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 38.966249] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 38.967758] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 38.969266] ---[ end trace 0000000000000000 ]--- [ 41.776970] ------------[ cut here ]------------ [ 41.777885] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.779849] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.781309] Modules linked in: [ 41.781895] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.783870] Tainted: [W]=WARN [ 41.784468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.785950] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.786864] 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 [ 41.790041] RSP: 0018:ffff888016ed7bc0 EFLAGS: 00010286 [ 41.791028] RAX: 0000000000000000 RBX: ffffed1002ddaf78 RCX: ffffffff813a4050 [ 41.792291] RDX: ffff888015de1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.793578] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddaf2f [ 41.794865] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.796149] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ed7df8 [ 41.797464] FS: 00007f668a607900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.798923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.799996] CR2: 00007fff22c26ef8 CR3: 000000001f93f000 CR4: 0000000000350ef0 [ 41.801303] Call Trace: [ 41.801764] [ 41.802168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.803060] ? __create_object+0x59/0x80 [ 41.803846] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.804825] __vmalloc_noprof+0x59/0x60 [ 41.805582] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.806461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.807401] bpf_prog_alloc+0x39/0x200 [ 41.808093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.809039] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.809964] do_seccomp+0x349/0x25e0 [ 41.810692] ? find_held_lock+0x2b/0x80 [ 41.811465] ? do_prlimit+0x310/0x610 [ 41.812170] ? __pfx_do_seccomp+0x10/0x10 [ 41.813028] ? do_raw_spin_unlock+0x53/0x220 [ 41.814050] ? _raw_spin_unlock+0x1e/0x40 [ 41.814844] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.815819] ? static_key_count+0x60/0x80 [ 41.816629] prctl_set_seccomp+0x4e/0x70 [ 41.817407] __do_sys_prctl+0xe6c/0x1d70 [ 41.818147] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.819013] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.819986] ? irqentry_exit+0xf3/0x650 [ 41.820740] do_syscall_64+0xbf/0x430 [ 41.821496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.822441] RIP: 0033:0x7f668aaf95cd [ 41.823114] 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 [ 41.826310] RSP: 002b:00007fff22c243c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.827672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f668aaf95cd [ 41.828970] RDX: 0000556204227e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.830252] RBP: 00007fff22c24420 R08: 0000000000000000 R09: 00007fff22c23ac0 [ 41.831675] R10: 0000000000000000 R11: 0000000000000246 R12: 00005562244a8b10 [ 41.833274] R13: 00007fff22c24850 R14: 00005562244a92b0 R15: 00005562244bd6f0 [ 41.834762] [ 41.835182] irq event stamp: 1681 [ 41.835824] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 41.837348] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 41.838879] softirqs last enabled at (1576): [] handle_softirqs+0x50c/0x770 [ 41.840419] softirqs last disabled at (1571): [] __irq_exit_rcu+0xc4/0x100 [ 41.841659] ---[ end trace 0000000000000000 ]--- [ 42.526650] ------------[ cut here ]------------ [ 42.527613] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.529669] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.531115] Modules linked in: [ 42.531751] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.533733] Tainted: [W]=WARN [ 42.534319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.535785] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.536695] 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 [ 42.539879] RSP: 0018:ffff88801c58fbc0 EFLAGS: 00010286 [ 42.540859] RAX: 0000000000000000 RBX: ffffed10038b1f78 RCX: ffffffff813a4050 [ 42.542139] RDX: ffff8880158c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.543431] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038b1f2f [ 42.544717] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.546003] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c58fdf8 [ 42.547274] FS: 00007f1a12f1f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.548738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.549807] CR2: 00007f1a134854a6 CR3: 000000001fa64000 CR4: 0000000000350ef0 [ 42.551086] Call Trace: [ 42.551593] [ 42.552002] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.552900] ? __create_object+0x59/0x80 [ 42.553682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.554644] __vmalloc_noprof+0x59/0x60 [ 42.555400] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.556280] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.557176] bpf_prog_alloc+0x39/0x200 [ 42.557911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.558842] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.559745] do_seccomp+0x349/0x25e0 [ 42.560477] ? find_held_lock+0x2b/0x80 [ 42.561253] ? do_prlimit+0x310/0x610 [ 42.561955] ? __pfx_do_seccomp+0x10/0x10 [ 42.562737] ? do_raw_spin_unlock+0x53/0x220 [ 42.563579] ? _raw_spin_unlock+0x1e/0x40 [ 42.564363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.565346] ? static_key_count+0x60/0x80 [ 42.566100] prctl_set_seccomp+0x4e/0x70 [ 42.566877] __do_sys_prctl+0xe6c/0x1d70 [ 42.567681] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.568559] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.569560] ? irqentry_exit+0xf3/0x650 [ 42.570329] do_syscall_64+0xbf/0x430 [ 42.571036] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.571988] RIP: 0033:0x7f1a134115cd [ 42.572697] 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 [ 42.575860] RSP: 002b:00007ffc50f53180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.577247] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a134115cd [ 42.578522] RDX: 000055ca2111fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.579815] RBP: 00007ffc50f531e0 R08: 0000000000000000 R09: 00007ffc50f52880 [ 42.581114] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca35857ad0 [ 42.582397] R13: 00007ffc50f53610 R14: 000055ca35858bc0 R15: 000055ca35869780 [ 42.583699] [ 42.584123] irq event stamp: 1725 [ 42.584785] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.586035] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.587004] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 42.588031] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 42.589025] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45605' (ECDSA) to the list of known hosts. 2025/11/18 16:42:16 fuzzer started 2025/11/18 16:42:16 dialing manager at localhost:34383 2025/11/18 16:42:16 checking machine... 2025/11/18 16:42:16 checking revisions... [ 43.577367] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:42:16 testing simple program... [ 43.665619] cgroup: Unknown subsys name 'net' [ 43.735963] cgroup: Unknown subsys name 'cpuset' [ 43.757322] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:42:15 Registers: info registers vcpu 0 RAX=000000000003a15b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff22c1e000 CR3=000000000dce7000 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=d411aa802e5cd5892d419747312324eb XMM02=00000000003039b0ec2efd57dc4c00df XMM03=000000000030f640fe58e655676a9bf7 XMM04=46595cd89310ae8d00000000000ae988 XMM05=090f1556b20111b300000000003201d0 XMM06=5b75c91c804453420000000000320058 XMM07=e042d86d42eb936e000000000030f918 XMM08=fe58e655676a9bf70000000000303a10 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf37340 RCX=ffffffff812c59be RDX=1ffff1100d9e6fcb RSI=ffffffff812c59c7 RDI=ffff88806cf37e58 RBP=ffff88806cf08d30 RSP=ffff88806cf08cf0 R8 =0000000000000001 R9 =ffffed100d9e1190 R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf37340 R13=0000000000000001 R14=ffff88806cf37df0 R15=ffff88806cf37358 RIP=ffffffff8148aac7 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 00007f668a607900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f668a5e6020 CR3=000000001f998000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000