[ 45.696809] ------------[ cut here ]------------
[ 45.697757] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 45.699810] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235
[ 45.701315] Modules linked in:
[ 45.701970] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 45.703999] Tainted: [W]=WARN
[ 45.704616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.706099] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 45.707018] 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
[ 45.710222] RSP: 0018:ffff888015957bc0 EFLAGS: 00010286
[ 45.711205] RAX: 0000000000000000 RBX: ffffed1002b2af78 RCX: ffffffff813a4050
[ 45.712534] RDX: ffff888016fdb780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 45.713825] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b2af2f
[ 45.715129] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 45.716458] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015957df8
[ 45.717772] FS: 00007f2a5ddba900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 45.719216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.720293] CR2: 00007fff95a02ef8 CR3: 000000000d06e000 CR4: 0000000000350ef0
[ 45.721590] Call Trace:
[ 45.722059]
[ 45.722520] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 45.723390] ? __create_object+0x59/0x80
[ 45.724197] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.725180] __vmalloc_noprof+0x59/0x60
[ 45.725943] bpf_prog_alloc_no_stats+0x55/0x470
[ 45.726825] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.727786] bpf_prog_alloc+0x39/0x200
[ 45.728536] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.729481] bpf_prog_create_from_user+0xb2/0x2f0
[ 45.730353] do_seccomp+0x349/0x25e0
[ 45.731078] ? find_held_lock+0x2b/0x80
[ 45.731858] ? do_prlimit+0x310/0x610
[ 45.732619] ? __pfx_do_seccomp+0x10/0x10
[ 45.733359] ? do_raw_spin_unlock+0x53/0x220
[ 45.734205] ? _raw_spin_unlock+0x1e/0x40
[ 45.734988] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 45.735980] ? static_key_count+0x60/0x80
[ 45.736779] prctl_set_seccomp+0x4e/0x70
[ 45.737571] __do_sys_prctl+0xe6c/0x1d70
[ 45.738308] ? __pfx___do_sys_prctl+0x10/0x10
[ 45.739187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 45.740185] ? irqentry_exit+0xf3/0x650
[ 45.740971] do_syscall_64+0xbf/0x430
[ 45.741717] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 45.742692] RIP: 0033:0x7f2a5e2ac5cd
[ 45.743354] 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
[ 45.746551] RSP: 002b:00007fff95a00730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 45.747945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a5e2ac5cd
[ 45.749234] RDX: 000055ac11ddae00 RSI: 0000000000000002 RDI: 0000000000000016
[ 45.750524] RBP: 00007fff95a00790 R08: 0000000000000000 R09: 00007fff959ffe30
[ 45.751835] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac19d32ad0
[ 45.753133] R13: 00007fff95a00bc0 R14: 000055ac19d33bc0 R15: 000055ac19d44780
[ 45.754485]
[ 45.754921] irq event stamp: 1749
[ 45.755588] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80
[ 45.757120] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80
[ 45.758649] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770
[ 45.760209] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100
[ 45.761725] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 48.452270] ------------[ cut here ]------------
[ 48.453209] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.455290] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243
[ 48.456746] Modules linked in:
[ 48.457328] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 48.459598] Tainted: [W]=WARN
[ 48.460164] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.461707] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.462627] 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
[ 48.465968] RSP: 0018:ffff888018517bc0 EFLAGS: 00010286
[ 48.467034] RAX: 0000000000000000 RBX: ffffed10030a2f78 RCX: ffffffff813a4050
[ 48.468454] RDX: ffff88801729b780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.469799] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030a2f2f
[ 48.471179] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.472581] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018517df8
[ 48.473956] FS: 00007f97e57f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 48.475483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.476637] CR2: 00007fff54cc6ef8 CR3: 000000000cfff000 CR4: 0000000000350ef0
[ 48.478031] Call Trace:
[ 48.478580]
[ 48.479022] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.480001] ? __create_object+0x59/0x80
[ 48.480835] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.481877] __vmalloc_noprof+0x59/0x60
[ 48.482690] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.483633] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.484648] bpf_prog_alloc+0x39/0x200
[ 48.485387] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.486407] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.487382] do_seccomp+0x349/0x25e0
[ 48.488166] ? find_held_lock+0x2b/0x80
[ 48.488992] ? do_prlimit+0x310/0x610
[ 48.489784] ? __pfx_do_seccomp+0x10/0x10
[ 48.490624] ? do_raw_spin_unlock+0x53/0x220
[ 48.491542] ? _raw_spin_unlock+0x1e/0x40
[ 48.492326] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.493367] ? static_key_count+0x60/0x80
[ 48.494224] prctl_set_seccomp+0x4e/0x70
[ 48.495076] __do_sys_prctl+0xe6c/0x1d70
[ 48.495952] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.496880] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.497920] ? irqentry_exit+0xf3/0x650
[ 48.498744] do_syscall_64+0xbf/0x430
[ 48.499544] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.500559] RIP: 0033:0x7f97e5ceb5cd
[ 48.501257] 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
[ 48.504652] RSP: 002b:00007fff54cc5d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 48.506116] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97e5ceb5cd
[ 48.507503] RDX: 00005626c0a77e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 48.508879] RBP: 00007fff54cc5df0 R08: 0000000000000000 R09: 00007fff54cc5490
[ 48.510252] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626f7712bf0
[ 48.511658] R13: 00007fff54cc6220 R14: 00005626f771c380 R15: 00005626f7727460
[ 48.513048]
[ 48.513548] irq event stamp: 3217
[ 48.514191] hardirqs last enabled at (3225): [] __up_console_sem+0x78/0x80
[ 48.515824] hardirqs last disabled at (3234): [] __up_console_sem+0x5d/0x80
[ 48.517238] softirqs last enabled at (2958): [] handle_softirqs+0x50c/0x770
[ 48.518595] softirqs last disabled at (2953): [] __irq_exit_rcu+0xc4/0x100
[ 48.519945] ---[ end trace 0000000000000000 ]---
[ 49.142984] ------------[ cut here ]------------
[ 49.143923] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 49.145986] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250
[ 49.147464] Modules linked in:
[ 49.148072] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 49.150055] Tainted: [W]=WARN
[ 49.150656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.152370] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 49.153349] 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
[ 49.156549] RSP: 0018:ffff8880173b7bc0 EFLAGS: 00010286
[ 49.157522] RAX: 0000000000000000 RBX: ffffed1002e76f78 RCX: ffffffff813a4050
[ 49.158812] RDX: ffff88800f439bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 49.160122] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e76f2f
[ 49.161428] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 49.162742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173b7df8
[ 49.164035] FS: 00007f3dc865e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 49.165473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.166533] CR2: 00007fff3bdf7ef8 CR3: 000000000c03e000 CR4: 0000000000350ef0
[ 49.167840] Call Trace:
[ 49.168304]
[ 49.168754] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 49.169659] ? __create_object+0x59/0x80
[ 49.170399] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 49.171375] __vmalloc_noprof+0x59/0x60
[ 49.172144] bpf_prog_alloc_no_stats+0x55/0x470
[ 49.173019] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.173960] bpf_prog_alloc+0x39/0x200
[ 49.174699] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.175650] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.176564] do_seccomp+0x349/0x25e0
[ 49.177246] ? find_held_lock+0x2b/0x80
[ 49.178003] ? do_prlimit+0x310/0x610
[ 49.178744] ? __pfx_do_seccomp+0x10/0x10
[ 49.179553] ? do_raw_spin_unlock+0x53/0x220
[ 49.180359] ? _raw_spin_unlock+0x1e/0x40
[ 49.181148] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.182123] ? static_key_count+0x60/0x80
[ 49.182955] prctl_set_seccomp+0x4e/0x70
[ 49.183759] __do_sys_prctl+0xe6c/0x1d70
[ 49.184548] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.185378] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.186357] ? irqentry_exit+0xf3/0x650
[ 49.187120] do_syscall_64+0xbf/0x430
[ 49.187882] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.188838] RIP: 0033:0x7f3dc8b505cd
[ 49.189558] 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
[ 49.192755] RSP: 002b:00007fff3bdf5fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.194138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3dc8b505cd
[ 49.195451] RDX: 00005651db5ede00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.196751] RBP: 00007fff3bdf6000 R08: 0000000000000000 R09: 00007fff3bdf56a0
[ 49.198048] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651dfaa3bf0
[ 49.199337] R13: 00007fff3bdf6430 R14: 00005651dfaad380 R15: 00005651dfab8460
[ 49.200646]
[ 49.201069] irq event stamp: 1773
[ 49.201727] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80
[ 49.203280] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80
[ 49.204778] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770
[ 49.206050] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100
[ 49.207308] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:23936' (ECDSA) to the list of known hosts.
2025/11/17 16:18:26 fuzzer started
2025/11/17 16:18:26 dialing manager at localhost:37895
2025/11/17 16:18:26 checking machine...
2025/11/17 16:18:26 checking revisions...
[ 50.016639] kmemleak: Automatic memory scanning thread ended
2025/11/17 16:18:26 testing simple program...
[ 50.096912] cgroup: Unknown subsys name 'net'
[ 50.153080] cgroup: Unknown subsys name 'cpuset'
[ 50.168654] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
16:18:25 Registers:
info registers vcpu 0
RAX=ffff888015f00aa8 RBX=ffff88801a647d28 RCX=ffff88806ce089e4 RDX=0000000000000002
RSI=ffffffff85e1ffe0 RDI=ffff888015f00aa8 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089d8
R8 =0000000000000001 R9 =ffff88806ce08ad0 R10=000000000003c9ed R11=00000000000a24d0
R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888015f00000 R15=0000000000000003
RIP=ffffffff81528fbc RFL=00000046 [---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 00007f97e57f9900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe6a00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fff54cbf000 CR3=000000001f140000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469
XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=000000000002333f 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 fffffe4400000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f1a2e955000 CR3=000000000defc000 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=61577266f4e32e98c340c36e8da0a66b
XMM02=00000000003059a0eff9b2d0a8fce9cb XMM03=0000000000305a702c67c8bc2e329bc3
XMM04=62670f157a4b1df200000000000ae988 XMM05=14648eaa1277bab10000000000320fc8
XMM06=0d3be0a95c7d238c000000000031ae40 XMM07=e042d86d42eb936e0000000000311290
XMM08=1a327c832690b21b0000000000305a70 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000