[ 39.465665] ------------[ cut here ]------------ [ 39.466582] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.468635] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.470118] Modules linked in: [ 39.470708] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.472952] Tainted: [W]=WARN [ 39.473610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.475124] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.476014] 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 [ 39.479181] RSP: 0018:ffff8880195dfbc0 EFLAGS: 00010286 [ 39.480146] RAX: 0000000000000000 RBX: ffffed10032bbf78 RCX: ffffffff813a4050 [ 39.481416] RDX: ffff8880170b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.482695] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032bbf2f [ 39.483980] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.485254] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195dfdf8 [ 39.486528] FS: 00007f4491755900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.487995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.489052] CR2: 00007f4491c47580 CR3: 000000000c208000 CR4: 0000000000350ef0 [ 39.490346] Call Trace: [ 39.490810] [ 39.491260] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.492179] ? __create_object+0x59/0x80 [ 39.492926] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.493904] __vmalloc_noprof+0x59/0x60 [ 39.494655] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.495539] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.496473] bpf_prog_alloc+0x39/0x200 [ 39.497207] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.498140] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.499011] do_seccomp+0x349/0x25e0 [ 39.499730] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.500618] ? __pfx_do_seccomp+0x10/0x10 [ 39.501409] ? find_held_lock+0x2b/0x80 [ 39.502177] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.503172] ? static_key_count+0x60/0x80 [ 39.503928] prctl_set_seccomp+0x4e/0x70 [ 39.504704] __do_sys_prctl+0xe6c/0x1d70 [ 39.505492] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.506351] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.507330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.508293] ? irqentry_exit+0xf3/0x650 [ 39.509024] do_syscall_64+0xbf/0x430 [ 39.509772] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.510722] RIP: 0033:0x7f4491c475cd [ 39.511435] 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 [ 39.514591] RSP: 002b:00007fffd3461140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.515970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4491c475cd [ 39.517248] RDX: 00005581dcc5ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.518532] RBP: 00007fffd34611a0 R08: 0000000000000000 R09: 00007fffd3460840 [ 39.519832] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581ef0b3ad0 [ 39.521128] R13: 00007fffd34615d0 R14: 00005581ef0b4bc0 R15: 00005581ef0c5780 [ 39.522425] [ 39.522850] irq event stamp: 1845 [ 39.523521] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 39.524854] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 39.526116] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 39.527397] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 39.528647] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.678880] ------------[ cut here ]------------ [ 42.679875] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.681988] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.683522] Modules linked in: [ 42.684170] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.686462] Tainted: [W]=WARN [ 42.687060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.688794] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.689887] 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 [ 42.693756] RSP: 0018:ffff88801a237bc0 EFLAGS: 00010286 [ 42.694977] RAX: 0000000000000000 RBX: ffffed1003446f78 RCX: ffffffff813a4050 [ 42.696533] RDX: ffff88801bdd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.698070] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003446f2f [ 42.699643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.701209] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a237df8 [ 42.702755] FS: 00007f01f62b1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.704502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.705749] CR2: 00007f01f67a3580 CR3: 000000000dc0b000 CR4: 0000000000350ef0 [ 42.707292] Call Trace: [ 42.707840] [ 42.708375] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.709449] ? __create_object+0x59/0x80 [ 42.710382] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.711541] __vmalloc_noprof+0x59/0x60 [ 42.712447] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.713491] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.714606] bpf_prog_alloc+0x39/0x200 [ 42.715497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.716610] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.717681] do_seccomp+0x349/0x25e0 [ 42.718540] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.719715] ? __pfx_do_seccomp+0x10/0x10 [ 42.720629] ? find_held_lock+0x2b/0x80 [ 42.721502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.722612] ? static_key_count+0x60/0x80 [ 42.723539] prctl_set_seccomp+0x4e/0x70 [ 42.724435] __do_sys_prctl+0xe6c/0x1d70 [ 42.725345] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.726329] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.727446] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.728563] ? irqentry_exit+0xf3/0x650 [ 42.729441] do_syscall_64+0xbf/0x430 [ 42.730287] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.731403] RIP: 0033:0x7f01f67a35cd [ 42.732224] 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 [ 42.735906] RSP: 002b:00007ffc8899ee30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.737234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f01f67a35cd [ 42.738490] RDX: 000055762af33e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.739735] RBP: 00007ffc8899ee90 R08: 0000000000000000 R09: 00007ffc8899e530 [ 42.741000] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576330a8ad0 [ 42.742240] R13: 00007ffc8899f2c0 R14: 00005576330a9bc0 R15: 00005576330ba780 [ 42.743529] [ 42.743938] irq event stamp: 1807 [ 42.744567] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.746057] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.747567] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 42.749087] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 42.750565] ---[ end trace 0000000000000000 ]--- [ 43.303783] ------------[ cut here ]------------ [ 43.304763] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.306823] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.308534] Modules linked in: [ 43.309248] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.311248] Tainted: [W]=WARN [ 43.311802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.313276] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.314189] 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 [ 43.317356] RSP: 0018:ffff88801a237bc0 EFLAGS: 00010286 [ 43.318346] RAX: 0000000000000000 RBX: ffffed1003446f78 RCX: ffffffff813a4050 [ 43.319640] RDX: ffff888014731bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.320922] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003446f2f [ 43.322215] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.323509] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a237df8 [ 43.324798] FS: 00007f561eae9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.326237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.327315] CR2: 00007ffd0e27def8 CR3: 000000000cf49000 CR4: 0000000000350ef0 [ 43.328611] Call Trace: [ 43.329072] [ 43.329530] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.330432] ? __create_object+0x59/0x80 [ 43.331237] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.332209] __vmalloc_noprof+0x59/0x60 [ 43.332914] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.333783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.334713] bpf_prog_alloc+0x39/0x200 [ 43.335455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.336398] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.337305] do_seccomp+0x349/0x25e0 [ 43.337981] ? find_held_lock+0x2b/0x80 [ 43.338741] ? do_prlimit+0x310/0x610 [ 43.339503] ? __pfx_do_seccomp+0x10/0x10 [ 43.340295] ? do_raw_spin_unlock+0x53/0x220 [ 43.341082] ? _raw_spin_unlock+0x1e/0x40 [ 43.341873] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.342831] ? static_key_count+0x60/0x80 [ 43.343644] prctl_set_seccomp+0x4e/0x70 [ 43.344431] __do_sys_prctl+0xe6c/0x1d70 [ 43.345221] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.346024] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.346996] ? irqentry_exit+0xf3/0x650 [ 43.347783] do_syscall_64+0xbf/0x430 [ 43.348522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.349481] RIP: 0033:0x7f561efdb5cd [ 43.350192] 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 [ 43.353359] RSP: 002b:00007ffd0e27cd50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.354712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f561efdb5cd [ 43.356005] RDX: 0000556a3c986e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.357293] RBP: 00007ffd0e27cdb0 R08: 0000000000000000 R09: 00007ffd0e27c450 [ 43.358637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a70538b10 [ 43.359946] R13: 00007ffd0e27d1e0 R14: 0000556a705392b0 R15: 0000556a7054d6f0 [ 43.361242] [ 43.361670] irq event stamp: 1811 [ 43.362324] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 43.363800] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 43.365158] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 43.366549] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 43.367941] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34643' (ECDSA) to the list of known hosts. 2025/11/17 14:37:14 fuzzer started 2025/11/17 14:37:14 dialing manager at localhost:37895 2025/11/17 14:37:14 checking machine... 2025/11/17 14:37:14 checking revisions... [ 44.246504] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:37:14 testing simple program... [ 44.321921] cgroup: Unknown subsys name 'net' [ 44.380309] cgroup: Unknown subsys name 'cpuset' [ 44.398569] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:37:13 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=4b952e4da9267483 RDX=1ffff11002f2ef66 RSI=000000005e406224 RDI=ffff88806ce31cd0 RBP=ffff888017977b28 RSP=ffff888017977a60 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888017977b30 R13=ffff888017977b18 R14=ffff888016bbb780 R15=ffff888017977ad0 RIP=ffffffff8135e4e0 RFL=00000216 [----AP-] 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 00007f01f62b1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc88998000 CR3=000000002080e000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020b55 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=00000206 [-----P-] 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f431101e6f8 CR3=000000000d587000 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=d36c8cbbfa2936884c4ad167d2f065ca XMM02=0000000000302520ec2efd57dc4c00df XMM03=000000000030c598c619475cf3dd50cd XMM04=fcfe2087c07f618400000000000ae988 XMM05=07c8bb74b6c04a44000000000031e5d0 XMM06=d74844bf967d85ba000000000031e458 XMM07=e042d86d42eb936e000000000030c870 XMM08=c619475cf3dd50cd0000000000302580 XMM09=00000000000000000000000000000000 XMM10=00000000000000002000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000