Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.884685] ------------[ cut here ]------------ [ 38.885621] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.887595] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.889088] Modules linked in: [ 38.889806] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.891807] Tainted: [W]=WARN [ 38.892414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.893909] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.894834] 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 [ 38.898020] RSP: 0018:ffff8880175b7bc0 EFLAGS: 00010286 [ 38.898987] RAX: 0000000000000000 RBX: ffffed1002eb6f78 RCX: ffffffff813a4050 [ 38.900294] RDX: ffff88801a588000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.901599] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb6f2f [ 38.902875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.904161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175b7df8 [ 38.905445] FS: 00007f42dc61e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.906875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.907934] CR2: 00007ffdf7c80ef7 CR3: 000000000e74c000 CR4: 0000000000350ef0 [ 38.909243] Call Trace: [ 38.909736] [ 38.910153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.911033] ? __create_object+0x59/0x80 [ 38.911824] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.912789] __vmalloc_noprof+0x59/0x60 [ 38.913564] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.914431] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.915372] bpf_prog_alloc+0x39/0x200 [ 38.916063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.916992] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.917918] do_seccomp+0x349/0x25e0 [ 38.918629] ? find_held_lock+0x2b/0x80 [ 38.919407] ? do_prlimit+0x310/0x610 [ 38.920107] ? __pfx_do_seccomp+0x10/0x10 [ 38.920882] ? do_raw_spin_unlock+0x53/0x220 [ 38.921735] ? _raw_spin_unlock+0x1e/0x40 [ 38.922526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.923484] ? static_key_count+0x60/0x80 [ 38.924240] prctl_set_seccomp+0x4e/0x70 [ 38.925012] __do_sys_prctl+0xe6c/0x1d70 [ 38.925804] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.926672] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.927640] ? irqentry_exit+0xf3/0x650 [ 38.928406] do_syscall_64+0xbf/0x430 [ 38.929111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.930074] RIP: 0033:0x7f42dcb105cd [ 38.930773] 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 [ 38.933969] RSP: 002b:00007ffdf7c7f120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.935317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42dcb105cd [ 38.936611] RDX: 0000564bc81b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.937896] RBP: 00007ffdf7c7f180 R08: 0000000000000000 R09: 00007ffdf7c7e820 [ 38.939190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c039f4ad0 [ 38.940474] R13: 00007ffdf7c7f5b0 R14: 0000564c039f5bc0 R15: 0000564c03a06780 [ 38.941791] [ 38.942218] irq event stamp: 1775 [ 38.942876] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 38.944375] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 38.945911] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 38.947447] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 38.948954] ---[ end trace 0000000000000000 ]--- [ 42.715193] ------------[ cut here ]------------ [ 42.716113] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.718219] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.719708] Modules linked in: [ 42.720341] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.722352] Tainted: [W]=WARN [ 42.722909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.724393] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.725312] 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 [ 42.728465] RSP: 0018:ffff88801a46fbc0 EFLAGS: 00010286 [ 42.729474] RAX: 0000000000000000 RBX: ffffed100348df78 RCX: ffffffff813a4050 [ 42.730780] RDX: ffff88800f2db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.732070] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100348df2f [ 42.733370] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.734667] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a46fdf8 [ 42.735956] FS: 00007f9d97b2d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.737431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.738502] CR2: 00007fffe6b1cef7 CR3: 000000000e2ff000 CR4: 0000000000350ef0 [ 42.739795] Call Trace: [ 42.740284] [ 42.740694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.741615] ? __create_object+0x59/0x80 [ 42.742413] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.743389] __vmalloc_noprof+0x59/0x60 [ 42.744101] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.744975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.745929] bpf_prog_alloc+0x39/0x200 [ 42.746682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.747639] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.748546] do_seccomp+0x349/0x25e0 [ 42.749233] ? find_held_lock+0x2b/0x80 [ 42.749998] ? do_prlimit+0x310/0x610 [ 42.750772] ? __pfx_do_seccomp+0x10/0x10 [ 42.751575] ? do_raw_spin_unlock+0x53/0x220 [ 42.752415] ? _raw_spin_unlock+0x1e/0x40 [ 42.753165] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.754138] ? static_key_count+0x60/0x80 [ 42.754941] prctl_set_seccomp+0x4e/0x70 [ 42.755712] __do_sys_prctl+0xe6c/0x1d70 [ 42.756504] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.757407] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.758377] ? irqentry_exit+0xf3/0x650 [ 42.759085] do_syscall_64+0xbf/0x430 [ 42.759822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.760783] RIP: 0033:0x7f9d9801f5cd [ 42.761502] 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 [ 42.764674] RSP: 002b:00007fffe6b1b8e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.766056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d9801f5cd [ 42.767359] RDX: 000055bddf4e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.768667] RBP: 00007fffe6b1b940 R08: 0000000000000000 R09: 00007fffe6b1afe0 [ 42.769990] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bdf35c2bf0 [ 42.771293] R13: 00007fffe6b1bd70 R14: 000055bdf35cc380 R15: 000055bdf35d7460 [ 42.772638] [ 42.773090] irq event stamp: 1705 [ 42.773703] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 42.774988] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 42.776277] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 42.777626] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 42.778917] ---[ end trace 0000000000000000 ]--- [ 43.598934] ------------[ cut here ]------------ [ 43.599879] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.601907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.603386] Modules linked in: [ 43.603982] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.605973] Tainted: [W]=WARN [ 43.606579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.608046] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.608970] 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 [ 43.612126] RSP: 0018:ffff888017347bc0 EFLAGS: 00010286 [ 43.613123] RAX: 0000000000000000 RBX: ffffed1002e68f78 RCX: ffffffff813a4050 [ 43.614426] RDX: ffff88800f2e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.615706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e68f2f [ 43.616990] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.618297] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017347df8 [ 43.619602] FS: 00007ff1ad408900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.621032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.622109] CR2: 00007ffc09251ef7 CR3: 000000000da45000 CR4: 0000000000350ef0 [ 43.623393] Call Trace: [ 43.623859] [ 43.624313] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.625181] ? __create_object+0x59/0x80 [ 43.625965] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.626933] __vmalloc_noprof+0x59/0x60 [ 43.627700] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.628582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.629531] bpf_prog_alloc+0x39/0x200 [ 43.630227] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.631168] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.632084] do_seccomp+0x349/0x25e0 [ 43.632803] ? find_held_lock+0x2b/0x80 [ 43.633582] ? do_prlimit+0x310/0x610 [ 43.634340] ? __pfx_do_seccomp+0x10/0x10 [ 43.635081] ? do_raw_spin_unlock+0x53/0x220 [ 43.635925] ? _raw_spin_unlock+0x1e/0x40 [ 43.636702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.637679] ? static_key_count+0x60/0x80 [ 43.638500] prctl_set_seccomp+0x4e/0x70 [ 43.639231] __do_sys_prctl+0xe6c/0x1d70 [ 43.640020] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.640876] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.641854] ? irqentry_exit+0xf3/0x650 [ 43.642629] do_syscall_64+0xbf/0x430 [ 43.643372] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.644329] RIP: 0033:0x7ff1ad8fa5cd [ 43.644989] 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 [ 43.648179] RSP: 002b:00007ffc09250a80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.649565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1ad8fa5cd [ 43.650876] RDX: 0000562437047e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.652179] RBP: 00007ffc09250ae0 R08: 0000000000000000 R09: 00007ffc09250180 [ 43.653490] R10: 0000000000000000 R11: 0000000000000246 R12: 000056243cf21b10 [ 43.654773] R13: 00007ffc09250f10 R14: 000056243cf222b0 R15: 000056243cf366f0 [ 43.656104] [ 43.656577] irq event stamp: 1797 [ 43.657201] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 43.658723] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 43.660275] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 43.661813] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 43.663329] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:3676' (ECDSA) to the list of known hosts. 2025/11/18 15:42:42 fuzzer started 2025/11/18 15:42:42 dialing manager at localhost:34383 2025/11/18 15:42:42 checking machine... 2025/11/18 15:42:42 checking revisions... [ 44.546437] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:42:42 testing simple program... [ 44.630763] cgroup: Unknown subsys name 'net' [ 44.677619] cgroup: Unknown subsys name 'cpuset' [ 44.694605] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:42:41 Registers: info registers vcpu 0 RAX=00000000000000ba RBX=0000556917290360 RCX=000000000005b93e RDX=00000000ffffffff RSI=ffffffffffffffff RDI=0000556917290360 RBP=0000000000000062 RSP=00007fff37bd6ef8 R8 =0016419c4a26f83a R9 =00007f19bd499000 R10=00007f19bd499000 R11=0000000000014434 R12=0000000000000062 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=00007f19bd10dd45 RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f19bc844900 00000000 00000000 GS =0000 0000000000000000 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=000055bdf35f9000 CR3=000000000ded8000 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=0000000000301de8b3285ca56c489dff XMM01=9578140ba79586968e42fb0ccce907e7 XMM02=0000000000304618eff9b2d0a8fce9cb XMM03=00000000003046e82c67c8bc2e329bc3 XMM04=b2dea9dee6a564f000000000000ae988 XMM05=24d9ad20d397741f0000000000323228 XMM06=0394861f14684e590000000000322338 XMM07=fb795ef6d65770560000000000311870 XMM08=2c67c8bc2e329bc30000000000304688 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000055bdf35e80c0 RBX=000055bdf35e80c0 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000023 RDI=000055bdf35e80c0 RBP=0000000000000001 RSP=00007fffe6b1b248 R8 =000055bdf35ec3ce R9 =00007f9d980dfbe0 R10=0000000000000100 R11=0000000000000246 R12=000055bdf35ddd00 R13=00007fffe6b1b258 R14=00007f9d97b08b22 R15=00007f9d97b2d710 RIP=00007f9d980804ec RFL=00000283 [--S---C] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f9d97b2d900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffe6b15000 CR3=00000000099bc000 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=23232323232323232323232323232323 XMM01=000000000000000000000000000000ff XMM02=00000000000000000000000000000000 XMM03=622073656e696c282073656e696c2074 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=4c20726f66206465696669646f4d0000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000