[ 46.053925] ------------[ cut here ]------------ [ 46.054932] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.057108] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.058646] Modules linked in: [ 46.059273] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.061684] Tainted: [W]=WARN [ 46.062281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.063937] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.064916] 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 [ 46.068335] RSP: 0018:ffff888016e0fbc0 EFLAGS: 00010286 [ 46.069388] RAX: 0000000000000000 RBX: ffffed1002dc1f78 RCX: ffffffff813a4050 [ 46.070768] RDX: ffff88800fcb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.072161] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc1f2f [ 46.073565] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.074979] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e0fdf8 [ 46.076388] FS: 00007f9329db3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.077950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.079107] CR2: 00007f932a2a5580 CR3: 000000000e55b000 CR4: 0000000000350ef0 [ 46.080518] Call Trace: [ 46.081029] [ 46.081533] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.082524] ? __create_object+0x59/0x80 [ 46.083336] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.084407] __vmalloc_noprof+0x59/0x60 [ 46.085229] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.086202] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.087234] bpf_prog_alloc+0x39/0x200 [ 46.088055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.089095] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.090105] do_seccomp+0x349/0x25e0 [ 46.090891] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.091901] ? __pfx_do_seccomp+0x10/0x10 [ 46.092785] ? find_held_lock+0x2b/0x80 [ 46.093634] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.094708] ? static_key_count+0x60/0x80 [ 46.095604] prctl_set_seccomp+0x4e/0x70 [ 46.096497] __do_sys_prctl+0xe6c/0x1d70 [ 46.097290] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.098199] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.099222] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.100250] ? irqentry_exit+0xf3/0x650 [ 46.101067] do_syscall_64+0xbf/0x430 [ 46.101851] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.102872] RIP: 0033:0x7f932a2a55cd [ 46.103624] 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 [ 46.107030] RSP: 002b:00007ffe05bfb2b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.108492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f932a2a55cd [ 46.109848] RDX: 000055764da89e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.111192] RBP: 00007ffe05bfb310 R08: 0000000000000000 R09: 00007ffe05bfa9b0 [ 46.112588] R10: 0000000000000000 R11: 0000000000000246 R12: 000055765bf92ad0 [ 46.113928] R13: 00007ffe05bfb740 R14: 000055765bf93bc0 R15: 000055765bfa4780 [ 46.115299] [ 46.115856] irq event stamp: 1843 [ 46.116561] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 46.118200] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 46.119862] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 46.121395] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100 [ 46.122815] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.090249] ------------[ cut here ]------------ [ 49.091190] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.093177] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.094626] Modules linked in: [ 49.095211] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.097534] Tainted: [W]=WARN [ 49.098115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.099620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.100549] 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 [ 49.103721] RSP: 0018:ffff88801844fbc0 EFLAGS: 00010286 [ 49.104707] RAX: 0000000000000000 RBX: ffffed1003089f78 RCX: ffffffff813a4050 [ 49.105987] RDX: ffff88800a5d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.107262] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003089f2f [ 49.108567] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.109839] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801844fdf8 [ 49.111143] FS: 00007f46ab5ca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.112584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.113660] CR2: 00007ffd11bf6ef7 CR3: 000000001fa32000 CR4: 0000000000350ef0 [ 49.114952] Call Trace: [ 49.115417] [ 49.115870] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.116772] ? __create_object+0x59/0x80 [ 49.117557] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.118531] __vmalloc_noprof+0x59/0x60 [ 49.119246] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.120138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.121063] bpf_prog_alloc+0x39/0x200 [ 49.121798] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.122722] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.123640] do_seccomp+0x349/0x25e0 [ 49.124336] ? find_held_lock+0x2b/0x80 [ 49.125082] ? do_prlimit+0x310/0x610 [ 49.125822] ? __pfx_do_seccomp+0x10/0x10 [ 49.126610] ? do_raw_spin_unlock+0x53/0x220 [ 49.127408] ? _raw_spin_unlock+0x1e/0x40 [ 49.128197] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.129160] ? static_key_count+0x60/0x80 [ 49.129964] prctl_set_seccomp+0x4e/0x70 [ 49.130739] __do_sys_prctl+0xe6c/0x1d70 [ 49.131532] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.132359] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.133326] ? irqentry_exit+0xf3/0x650 [ 49.134077] do_syscall_64+0xbf/0x430 [ 49.134812] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.135788] RIP: 0033:0x7f46ababc5cd [ 49.136501] 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 [ 49.139652] RSP: 002b:00007ffd11bf46f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.141019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46ababc5cd [ 49.142303] RDX: 000055d3af9cde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.143576] RBP: 00007ffd11bf4750 R08: 0000000000000000 R09: 00007ffd11bf3df0 [ 49.144864] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d3dce02bf0 [ 49.146147] R13: 00007ffd11bf4b80 R14: 000055d3dce0c380 R15: 000055d3dce17460 [ 49.147423] [ 49.147914] irq event stamp: 1775 [ 49.148540] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 49.150057] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 49.151575] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 49.152959] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 49.154210] ---[ end trace 0000000000000000 ]--- [ 49.983631] ------------[ cut here ]------------ [ 49.984580] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.986605] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.988130] Modules linked in: [ 49.989008] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.991559] Tainted: [W]=WARN [ 49.992161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.993669] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.994598] 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 [ 49.997885] RSP: 0018:ffff888015d6fbc0 EFLAGS: 00010286 [ 49.998900] RAX: 0000000000000000 RBX: ffffed1002badf78 RCX: ffffffff813a4050 [ 50.000220] RDX: ffff888017b4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.001521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002badf2f [ 50.002853] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.004186] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d6fdf8 [ 50.005489] FS: 00007f5c7955a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.006948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.008040] CR2: 00007f5c79ac04a6 CR3: 000000001faf3000 CR4: 0000000000350ef0 [ 50.009349] Call Trace: [ 50.009884] [ 50.010295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.011176] ? __create_object+0x59/0x80 [ 50.011967] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.012930] __vmalloc_noprof+0x59/0x60 [ 50.013668] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.014531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.015395] bpf_prog_alloc+0x39/0x200 [ 50.016123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.017021] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.017927] do_seccomp+0x349/0x25e0 [ 50.018632] ? find_held_lock+0x2b/0x80 [ 50.019326] ? do_prlimit+0x310/0x610 [ 50.020068] ? __pfx_do_seccomp+0x10/0x10 [ 50.020849] ? do_raw_spin_unlock+0x53/0x220 [ 50.021667] ? _raw_spin_unlock+0x1e/0x40 [ 50.022393] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.023368] ? static_key_count+0x60/0x80 [ 50.024171] prctl_set_seccomp+0x4e/0x70 [ 50.024951] __do_sys_prctl+0xe6c/0x1d70 [ 50.025721] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.026574] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.027552] ? irqentry_exit+0xf3/0x650 [ 50.028269] do_syscall_64+0xbf/0x430 [ 50.029009] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.029962] RIP: 0033:0x7f5c79a4c5cd [ 50.030683] 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 [ 50.033866] RSP: 002b:00007ffc61d3bfc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.035239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c79a4c5cd [ 50.036552] RDX: 00005585bc3aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.037846] RBP: 00007ffc61d3c020 R08: 0000000000000000 R09: 00007ffc61d3b6c0 [ 50.039125] R10: 0000000000000000 R11: 0000000000000246 R12: 00005585cc6b0b10 [ 50.040406] R13: 00007ffc61d3c450 R14: 00005585cc6b12b0 R15: 00005585cc6c56f0 [ 50.041707] [ 50.042131] irq event stamp: 1879 [ 50.042819] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 50.044357] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 50.045867] softirqs last enabled at (1868): [] handle_softirqs+0x50c/0x770 [ 50.047393] softirqs last disabled at (1863): [] __irq_exit_rcu+0xc4/0x100 [ 50.048919] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49939' (ECDSA) to the list of known hosts. 2025/11/18 21:26:37 fuzzer started 2025/11/18 21:26:37 dialing manager at localhost:34383 2025/11/18 21:26:37 checking machine... 2025/11/18 21:26:37 checking revisions... [ 50.970107] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:26:37 testing simple program... [ 51.052305] cgroup: Unknown subsys name 'net' [ 51.102175] cgroup: Unknown subsys name 'cpuset' [ 51.114890] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:26:36 Registers: info registers vcpu 0 RAX=ffffffff815d6c98 RBX=ffffffff81619130 RCX=ffff88806ce08974 RDX=1ffff1100d9c114f RSI=ffffffff815d6c98 RDI=ffff88806ce08ae8 RBP=ffff88806ce08ab8 RSP=ffff88806ce08a18 R8 =ffffffff86a17382 R9 =ffff88806ce08a60 R10=000000000003c9ed R11=000000000000a846 R12=ffff88806ce08ae8 R13=0000000000000000 R14=ffff888017b48000 R15=ffff88800944c140 RIP=ffffffff81619134 RFL=00000282 [--S----] 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 00007f46ab5ca900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f46abb81618 CR3=000000001fa40000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000242e1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1513dbf000 CR3=000000000d52a000 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=da016a647111ff861240b65c199fc657 XMM02=0000000000307378eff9b2d0a8fce9cb XMM03=00000000003074482c67c8bc2e329bc3 XMM04=aaea2566276e788c00000000000ae988 XMM05=7167ba7d139b2c770000000000323690 XMM06=817b8945e9d503730000000000322698 XMM07=e042d86d42eb936e0000000000314310 XMM08=32818f9e7ad1dc630000000000307448 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000