[ 39.516288] ------------[ cut here ]------------ [ 39.517237] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.519233] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.520699] Modules linked in: [ 39.521356] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.523603] Tainted: [W]=WARN [ 39.524296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.525819] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.526751] 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 [ 39.529956] RSP: 0018:ffff888016567bc0 EFLAGS: 00010286 [ 39.530953] RAX: 0000000000000000 RBX: ffffed1002cacf78 RCX: ffffffff813a4050 [ 39.532237] RDX: ffff88800f66b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.533567] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cacf2f [ 39.534864] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.536161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016567df8 [ 39.537452] FS: 00007ff18c5dc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.538940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.540008] CR2: 00007ffdfa902ef8 CR3: 000000000b8f0000 CR4: 0000000000350ef0 [ 39.541300] Call Trace: [ 39.541794] [ 39.542239] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.543162] ? __create_object+0x59/0x80 [ 39.543891] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.544875] __vmalloc_noprof+0x59/0x60 [ 39.545638] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.546518] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.547460] bpf_prog_alloc+0x39/0x200 [ 39.548232] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.549171] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.550102] do_seccomp+0x349/0x25e0 [ 39.550777] ? find_held_lock+0x2b/0x80 [ 39.551551] ? do_prlimit+0x310/0x610 [ 39.552298] ? __pfx_do_seccomp+0x10/0x10 [ 39.553094] ? do_raw_spin_unlock+0x53/0x220 [ 39.553956] ? _raw_spin_unlock+0x1e/0x40 [ 39.554716] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.555702] ? static_key_count+0x60/0x80 [ 39.556508] prctl_set_seccomp+0x4e/0x70 [ 39.557277] __do_sys_prctl+0xe6c/0x1d70 [ 39.558090] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.558974] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.559950] ? irqentry_exit+0xf3/0x650 [ 39.560671] do_syscall_64+0xbf/0x430 [ 39.561423] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.562396] RIP: 0033:0x7ff18cace5cd [ 39.563106] 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 [ 39.566331] RSP: 002b:00007ffdfa900570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.567699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff18cace5cd [ 39.568981] RDX: 000055dafbf73e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.570281] RBP: 00007ffdfa9005d0 R08: 0000000000000000 R09: 00007ffdfa8ffc70 [ 39.571569] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db2a9d4ad0 [ 39.572851] R13: 00007ffdfa900a00 R14: 000055db2a9d5bc0 R15: 000055db2a9e6780 [ 39.574178] [ 39.574611] irq event stamp: 1785 [ 39.575273] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.576795] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.578333] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 39.579918] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 39.581460] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.281018] ------------[ cut here ]------------ [ 42.281973] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.284035] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.285487] Modules linked in: [ 42.286155] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.288158] Tainted: [W]=WARN [ 42.288710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.290263] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.291373] 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 [ 42.294568] RSP: 0018:ffff88801ab7fbc0 EFLAGS: 00010286 [ 42.295714] RAX: 0000000000000000 RBX: ffffed100356ff78 RCX: ffffffff813a4050 [ 42.297231] RDX: ffff88801a980000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.298679] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100356ff2f [ 42.299955] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.301239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab7fdf8 [ 42.302533] FS: 00007fb8a1bac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.303974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.305054] CR2: 00007ffef4b10ef8 CR3: 000000000ec27000 CR4: 0000000000350ef0 [ 42.306357] Call Trace: [ 42.306821] [ 42.307278] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.308185] ? __create_object+0x59/0x80 [ 42.308972] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.309956] __vmalloc_noprof+0x59/0x60 [ 42.310669] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.311535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.312465] bpf_prog_alloc+0x39/0x200 [ 42.313211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.314157] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.315062] do_seccomp+0x349/0x25e0 [ 42.315730] ? find_held_lock+0x2b/0x80 [ 42.316486] ? do_prlimit+0x310/0x610 [ 42.317228] ? __pfx_do_seccomp+0x10/0x10 [ 42.318026] ? do_raw_spin_unlock+0x53/0x220 [ 42.318801] ? _raw_spin_unlock+0x1e/0x40 [ 42.319573] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.320522] ? static_key_count+0x60/0x80 [ 42.321319] prctl_set_seccomp+0x4e/0x70 [ 42.322103] __do_sys_prctl+0xe6c/0x1d70 [ 42.322833] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.323684] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.324649] ? irqentry_exit+0xf3/0x650 [ 42.325406] do_syscall_64+0xbf/0x430 [ 42.326174] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.327117] RIP: 0033:0x7fb8a209e5cd [ 42.327760] 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 [ 42.330883] RSP: 002b:00007ffef4b0fd90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.332272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8a209e5cd [ 42.333552] RDX: 0000559f251b9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.334517] RBP: 00007ffef4b0fdf0 R08: 0000000000000000 R09: 00007ffef4b0f490 [ 42.335326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f4d3992b0 [ 42.336144] R13: 00007ffef4b10220 R14: 0000559f4d39bd20 R15: 0000559f4d3ad8d0 [ 42.337000] [ 42.337271] irq event stamp: 1745 [ 42.337661] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 42.338503] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 42.339201] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 42.339921] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 42.340613] ---[ end trace 0000000000000000 ]--- [ 43.045374] ------------[ cut here ]------------ [ 43.046352] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.048333] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.049831] Modules linked in: [ 43.050468] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.052446] Tainted: [W]=WARN [ 43.053046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.054534] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.055455] 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 [ 43.058589] RSP: 0018:ffff88800f1ffbc0 EFLAGS: 00010286 [ 43.059565] RAX: 0000000000000000 RBX: ffffed1001e3ff78 RCX: ffffffff813a4050 [ 43.060833] RDX: ffff888018261bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.062121] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e3ff2f [ 43.063386] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.064663] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f1ffdf8 [ 43.065951] FS: 00007f18c7425900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.067369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.068417] CR2: 00007f18c7917580 CR3: 000000000b900000 CR4: 0000000000350ef0 [ 43.069718] Call Trace: [ 43.070234] [ 43.070649] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.071535] ? __create_object+0x59/0x80 [ 43.072324] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.073291] __vmalloc_noprof+0x59/0x60 [ 43.074054] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.074880] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.075817] bpf_prog_alloc+0x39/0x200 [ 43.076557] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.077478] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.078391] do_seccomp+0x349/0x25e0 [ 43.079121] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.080020] ? __pfx_do_seccomp+0x10/0x10 [ 43.080755] ? find_held_lock+0x2b/0x80 [ 43.081514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.082494] ? static_key_count+0x60/0x80 [ 43.083295] prctl_set_seccomp+0x4e/0x70 [ 43.084061] __do_sys_prctl+0xe6c/0x1d70 [ 43.084792] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.085671] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.086635] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.087612] ? irqentry_exit+0xf3/0x650 [ 43.088377] do_syscall_64+0xbf/0x430 [ 43.089127] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.090084] RIP: 0033:0x7f18c79175cd [ 43.090740] 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 [ 43.093915] RSP: 002b:00007ffd5b212530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.095293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f18c79175cd [ 43.096566] RDX: 000055b10e5ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.097856] RBP: 00007ffd5b212590 R08: 0000000000000000 R09: 00007ffd5b211c30 [ 43.099137] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b14c24b2b0 [ 43.100424] R13: 00007ffd5b2129c0 R14: 000055b14c24dd20 R15: 000055b14c25f8d0 [ 43.101746] [ 43.102217] irq event stamp: 1763 [ 43.102827] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 43.104350] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 43.105889] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 43.107445] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 43.108949] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38304' (ECDSA) to the list of known hosts. 2025/11/18 23:38:51 fuzzer started 2025/11/18 23:38:52 dialing manager at localhost:34383 2025/11/18 23:38:52 checking machine... 2025/11/18 23:38:52 checking revisions... [ 43.891323] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:38:52 testing simple program... [ 43.976372] cgroup: Unknown subsys name 'net' [ 44.034714] cgroup: Unknown subsys name 'cpuset' [ 44.048539] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:38:51 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d16 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff815bd130 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 00007fb8a1bac900 00000000 00000000 GS =0000 ffff8880e538f000 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=00007fb8a2161650 CR3=0000000021164000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002822b 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559f4d3c0818 CR3=0000000009c7f000 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=78d3b99d36fa03b9f14cb0a33e0f747a XMM02=0000000000308438ec2efd57dc4c00df XMM03=00000000003120f81a783930af264c3f XMM04=33862e3127b27ba000000000000ae988 XMM05=5b38af5fa1ea33a90000000000323240 XMM06=5b75c91c8044534200000000003222f0 XMM07=e042d86d42eb936e0000000000312b38 XMM08=1a783930af264c3f0000000000308498 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000