[ 39.485494] ------------[ cut here ]------------ [ 39.486457] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.488509] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/230 [ 39.489977] Modules linked in: [ 39.490626] CPU: 0 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.492619] Tainted: [W]=WARN [ 39.493226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.494699] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.495618] 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 [ 39.498819] RSP: 0018:ffff88801646fbc0 EFLAGS: 00010286 [ 39.499800] RAX: 0000000000000000 RBX: ffffed1002c8df78 RCX: ffffffff813a4050 [ 39.501084] RDX: ffff888016588000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.502418] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c8df2f [ 39.503713] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.505004] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801646fdf8 [ 39.506307] FS: 00007fa1cbc1b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.507773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.508848] CR2: 00007ffd68f6eef7 CR3: 000000000cbf3000 CR4: 0000000000350ef0 [ 39.510147] Call Trace: [ 39.510633] [ 39.511046] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.511952] ? __create_object+0x59/0x80 [ 39.512729] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.513712] __vmalloc_noprof+0x59/0x60 [ 39.514491] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.515374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.516310] bpf_prog_alloc+0x39/0x200 [ 39.517004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.517936] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.518856] do_seccomp+0x349/0x25e0 [ 39.519586] ? find_held_lock+0x2b/0x80 [ 39.520353] ? do_prlimit+0x310/0x610 [ 39.521060] ? __pfx_do_seccomp+0x10/0x10 [ 39.521843] ? do_raw_spin_unlock+0x53/0x220 [ 39.522701] ? _raw_spin_unlock+0x1e/0x40 [ 39.523479] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.524458] ? static_key_count+0x60/0x80 [ 39.525255] prctl_set_seccomp+0x4e/0x70 [ 39.525985] __do_sys_prctl+0xe6c/0x1d70 [ 39.526781] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.527652] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.528608] ? irqentry_exit+0xf3/0x650 [ 39.529367] do_syscall_64+0xbf/0x430 [ 39.530077] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.531037] RIP: 0033:0x7fa1cc10d5cd [ 39.531747] 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 [ 39.534921] RSP: 002b:00007ffd68f6dd00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.536292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1cc10d5cd [ 39.537581] RDX: 000055f763f28e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.538877] RBP: 00007ffd68f6dd60 R08: 0000000000000000 R09: 00007ffd68f6d400 [ 39.540159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f76da32b10 [ 39.541442] R13: 00007ffd68f6e190 R14: 000055f76da332b0 R15: 000055f76da476f0 [ 39.542755] [ 39.543231] irq event stamp: 1723 [ 39.543840] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.545370] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 39.546900] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 39.548447] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 39.549943] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.506805] ------------[ cut here ]------------ [ 42.507636] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.509462] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/238 [ 42.510794] Modules linked in: [ 42.511364] CPU: 0 UID: 104 PID: 238 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.513143] Tainted: [W]=WARN [ 42.513636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.514964] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.515786] 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 [ 42.518639] RSP: 0018:ffff888015d87bc0 EFLAGS: 00010286 [ 42.519515] RAX: 0000000000000000 RBX: ffffed1002bb0f78 RCX: ffffffff813a4050 [ 42.520664] RDX: ffff88800f4d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.521810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb0f2f [ 42.522958] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.524124] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d87df8 [ 42.525275] FS: 00007f5f46faa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.526577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.527527] CR2: 00007ffd84908ef7 CR3: 000000000ddbb000 CR4: 0000000000350ef0 [ 42.528664] Call Trace: [ 42.529077] [ 42.529478] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.530277] ? __create_object+0x59/0x80 [ 42.530952] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.531818] __vmalloc_noprof+0x59/0x60 [ 42.532493] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.533293] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.534095] bpf_prog_alloc+0x39/0x200 [ 42.534766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.535588] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.536401] do_seccomp+0x349/0x25e0 [ 42.537000] ? find_held_lock+0x2b/0x80 [ 42.537678] ? do_prlimit+0x310/0x610 [ 42.538357] ? __pfx_do_seccomp+0x10/0x10 [ 42.539017] ? do_raw_spin_unlock+0x53/0x220 [ 42.539767] ? _raw_spin_unlock+0x1e/0x40 [ 42.540469] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.541335] ? static_key_count+0x60/0x80 [ 42.542016] prctl_set_seccomp+0x4e/0x70 [ 42.542721] __do_sys_prctl+0xe6c/0x1d70 [ 42.543426] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.544201] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.545025] ? irqentry_exit+0xf3/0x650 [ 42.545711] do_syscall_64+0xbf/0x430 [ 42.546384] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.547236] RIP: 0033:0x7f5f4749c5cd [ 42.547829] 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 [ 42.550660] RSP: 002b:00007ffd84907030 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.551876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f4749c5cd [ 42.553024] RDX: 000055f89a0dee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.554164] RBP: 00007ffd84907090 R08: 0000000000000000 R09: 00007ffd84906730 [ 42.555326] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f8da070bf0 [ 42.556477] R13: 00007ffd849074c0 R14: 000055f8da07a380 R15: 000055f8da085460 [ 42.557630] [ 42.558008] irq event stamp: 1709 [ 42.558609] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 42.559969] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 42.561334] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 42.562745] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 42.564123] ---[ end trace 0000000000000000 ]--- [ 43.452893] ------------[ cut here ]------------ [ 43.453851] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.455930] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.457428] Modules linked in: [ 43.458026] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.460295] Tainted: [W]=WARN [ 43.460864] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.462450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.463378] 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 [ 43.466585] RSP: 0018:ffff88800f237bc0 EFLAGS: 00010286 [ 43.467578] RAX: 0000000000000000 RBX: ffffed1001e46f78 RCX: ffffffff813a4050 [ 43.468883] RDX: ffff888013968000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.470197] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e46f2f [ 43.471522] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.472827] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f237df8 [ 43.474149] FS: 00007f39f1ae4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.475638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.476726] CR2: 00007f39f1fd6580 CR3: 000000000e3b6000 CR4: 0000000000350ef0 [ 43.478032] Call Trace: [ 43.478573] [ 43.478993] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.479891] ? __create_object+0x59/0x80 [ 43.480687] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.481684] __vmalloc_noprof+0x59/0x60 [ 43.482472] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.483350] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.484307] bpf_prog_alloc+0x39/0x200 [ 43.485017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.485955] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.486873] do_seccomp+0x349/0x25e0 [ 43.487607] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.488514] ? __pfx_do_seccomp+0x10/0x10 [ 43.489333] ? find_held_lock+0x2b/0x80 [ 43.490058] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.491050] ? static_key_count+0x60/0x80 [ 43.491854] prctl_set_seccomp+0x4e/0x70 [ 43.492642] __do_sys_prctl+0xe6c/0x1d70 [ 43.493441] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.494327] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.495315] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.496296] ? irqentry_exit+0xf3/0x650 [ 43.497037] do_syscall_64+0xbf/0x430 [ 43.497797] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.498748] RIP: 0033:0x7f39f1fd65cd [ 43.499470] 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 [ 43.502688] RSP: 002b:00007ffdb1115a60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.504083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39f1fd65cd [ 43.505404] RDX: 0000555a68abae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.506758] RBP: 00007ffdb1115ac0 R08: 0000000000000000 R09: 00007ffdb1115160 [ 43.508067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a73c742b0 [ 43.509353] R13: 00007ffdb1115ef0 R14: 0000555a73c76d20 R15: 0000555a73c888d0 [ 43.510670] [ 43.511092] irq event stamp: 1891 [ 43.511746] hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 [ 43.513277] hardirqs last disabled at (1910): [] __up_console_sem+0x5d/0x80 [ 43.514830] softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 [ 43.516170] softirqs last disabled at (1835): [] __irq_exit_rcu+0xc4/0x100 [ 43.517423] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54995' (ECDSA) to the list of known hosts. 2025/11/17 11:35:32 fuzzer started 2025/11/17 11:35:33 dialing manager at localhost:37895 2025/11/17 11:35:33 checking machine... 2025/11/17 11:35:33 checking revisions... [ 44.376797] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:35:33 testing simple program... [ 44.465787] cgroup: Unknown subsys name 'net' [ 44.533414] cgroup: Unknown subsys name 'cpuset' [ 44.550415] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:35:32 Registers: info registers vcpu 0 RAX=ffffffff81b2d53a RBX=0000000000000001 RCX=ffffffff86ab82ee RDX=dffffc0000000000 RSI=1ffff110012c4f12 RDI=1ffff110012c4f12 RBP=ffff888009627890 RSP=ffff8880096277c8 R8 =ffffffff86ab82f2 R9 =ffff888009627878 R10=000000000003c9ed R11=00000000000255da R12=ffff888009627898 R13=ffff888009627880 R14=ffff888009627b98 R15=ffff888009627838 RIP=ffffffff8135effc RFL=00000246 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f910aa8c200 CR3=000000001ff91000 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=756e696c2d34365f3638782f62696c2f XMM01=2e74707972636762696c2f756e672d78 XMM02=0030322e6f732e74707972636762696c XMM03=2f756e672d78756e696c2d34365f3638 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff815d3080 RBX=ffffffff81618fa0 RCX=ffff888015fa78c4 RDX=1ffff11002bf4f39 RSI=ffffffff85e1ffe0 RDI=ffffffff815d3080 RBP=ffff888015fa7a08 RSP=ffff888015fa7970 R8 =0000000000000001 R9 =ffff888015fa79b0 R10=000000000003c9ed R11=0000000000025767 R12=ffff888015fa7a38 R13=0000000000000000 R14=ffff888015ed3780 R15=ffff888009462140 RIP=ffffffff812dfbfc RFL=00000246 [---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 00007f0decf47900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5f47561618 CR3=0000000017922000 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=99e945f7b6f487ea00000000000ae988 XMM05=820b6062608337320000000000321a28 XMM06=1a58cb52dc18f6d70000000000320408 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000