[ 39.011956] ------------[ cut here ]------------ [ 39.012892] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.014921] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.016388] Modules linked in: [ 39.016979] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.018995] Tainted: [W]=WARN [ 39.019607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.021097] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.022055] 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 [ 39.025258] RSP: 0018:ffff888017ff7bc0 EFLAGS: 00010286 [ 39.026237] RAX: 0000000000000000 RBX: ffffed1002ffef78 RCX: ffffffff813a4050 [ 39.027531] RDX: ffff88801638d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.028813] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ffef2f [ 39.030146] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.031430] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ff7df8 [ 39.032724] FS: 00007fcc4522f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.034166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.035217] CR2: 00007fffe9aa5ef7 CR3: 000000000e3f7000 CR4: 0000000000350ef0 [ 39.036495] Call Trace: [ 39.036951] [ 39.037410] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.038263] ? __create_object+0x59/0x80 [ 39.039054] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.040016] __vmalloc_noprof+0x59/0x60 [ 39.040774] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.041666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.042607] bpf_prog_alloc+0x39/0x200 [ 39.043343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044223] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.045139] do_seccomp+0x349/0x25e0 [ 39.045876] ? find_held_lock+0x2b/0x80 [ 39.046649] ? do_prlimit+0x310/0x610 [ 39.047394] ? __pfx_do_seccomp+0x10/0x10 [ 39.048138] ? do_raw_spin_unlock+0x53/0x220 [ 39.048977] ? _raw_spin_unlock+0x1e/0x40 [ 39.049783] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.050751] ? static_key_count+0x60/0x80 [ 39.051563] prctl_set_seccomp+0x4e/0x70 [ 39.052334] __do_sys_prctl+0xe6c/0x1d70 [ 39.053077] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.053938] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.054907] ? irqentry_exit+0xf3/0x650 [ 39.055681] do_syscall_64+0xbf/0x430 [ 39.056419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.057386] RIP: 0033:0x7fcc457215cd [ 39.058052] 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 [ 39.061232] RSP: 002b:00007fffe9aa4e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.062615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc457215cd [ 39.063874] RDX: 000055b2f85cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.065168] RBP: 00007fffe9aa4ec0 R08: 0000000000000000 R09: 00007fffe9aa4560 [ 39.066447] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b30a967ad0 [ 39.067740] R13: 00007fffe9aa52f0 R14: 000055b30a968bc0 R15: 000055b30a979780 [ 39.069081] [ 39.069556] irq event stamp: 1807 [ 39.070163] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.071685] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 39.073257] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 39.074842] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 39.076345] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.698154] ------------[ cut here ]------------ [ 41.699050] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.701106] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.702622] Modules linked in: [ 41.703208] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.705154] Tainted: [W]=WARN [ 41.705743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.707194] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.708092] 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 [ 41.711220] RSP: 0018:ffff88801abcfbc0 EFLAGS: 00010286 [ 41.712178] RAX: 0000000000000000 RBX: ffffed1003579f78 RCX: ffffffff813a4050 [ 41.713456] RDX: ffff88801715b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.714728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003579f2f [ 41.715989] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.717251] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801abcfdf8 [ 41.718525] FS: 00007fce1db44900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.719945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.720993] CR2: 00007fce1e036580 CR3: 0000000020530000 CR4: 0000000000350ef0 [ 41.722278] Call Trace: [ 41.722766] [ 41.723168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.724046] ? __create_object+0x59/0x80 [ 41.724828] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.725800] __vmalloc_noprof+0x59/0x60 [ 41.726550] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.727423] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.728355] bpf_prog_alloc+0x39/0x200 [ 41.729048] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.729995] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.730899] do_seccomp+0x349/0x25e0 [ 41.731624] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.732521] ? __pfx_do_seccomp+0x10/0x10 [ 41.733270] ? find_held_lock+0x2b/0x80 [ 41.734046] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.734996] ? static_key_count+0x60/0x80 [ 41.735794] prctl_set_seccomp+0x4e/0x70 [ 41.736565] __do_sys_prctl+0xe6c/0x1d70 [ 41.737360] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.738151] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.739110] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.740051] ? irqentry_exit+0xf3/0x650 [ 41.740820] do_syscall_64+0xbf/0x430 [ 41.741564] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.742503] RIP: 0033:0x7fce1e0365cd [ 41.743154] 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 [ 41.746318] RSP: 002b:00007ffcfa38a120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.747658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce1e0365cd [ 41.748942] RDX: 0000561790f42e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.750225] RBP: 00007ffcfa38a180 R08: 0000000000000000 R09: 00007ffcfa389820 [ 41.751494] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617c51faad0 [ 41.752759] R13: 00007ffcfa38a5b0 R14: 00005617c51fbbc0 R15: 00005617c520c780 [ 41.754049] [ 41.754503] irq event stamp: 1729 [ 41.755097] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 41.756612] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 41.758120] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 41.759639] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 41.761141] ---[ end trace 0000000000000000 ]--- [ 42.454360] ------------[ cut here ]------------ [ 42.455244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.457386] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.459079] Modules linked in: [ 42.459781] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.461773] Tainted: [W]=WARN [ 42.462379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.463837] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.464740] 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 [ 42.467880] RSP: 0018:ffff88801a887bc0 EFLAGS: 00010286 [ 42.468837] RAX: 0000000000000000 RBX: ffffed1003510f78 RCX: ffffffff813a4050 [ 42.470112] RDX: ffff888016171bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.471387] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003510f2f [ 42.472658] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.473930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a887df8 [ 42.475193] FS: 00007ff062b1a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.476613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.477668] CR2: 00007ffff70e4ef7 CR3: 00000000207d1000 CR4: 0000000000350ef0 [ 42.478948] Call Trace: [ 42.479449] [ 42.479855] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.480742] ? __create_object+0x59/0x80 [ 42.481540] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.482496] __vmalloc_noprof+0x59/0x60 [ 42.483195] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.484064] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.484998] bpf_prog_alloc+0x39/0x200 [ 42.485749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.486675] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.487572] do_seccomp+0x349/0x25e0 [ 42.488237] ? find_held_lock+0x2b/0x80 [ 42.488992] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.489959] ? __pfx_do_seccomp+0x10/0x10 [ 42.490745] ? irqentry_exit+0x17b/0x650 [ 42.491518] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 42.492514] prctl_set_seccomp+0x4e/0x70 [ 42.493252] __do_sys_prctl+0xe6c/0x1d70 [ 42.494030] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.494878] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.495842] ? irqentry_exit+0xf3/0x650 [ 42.496610] do_syscall_64+0xbf/0x430 [ 42.497369] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.498266] RIP: 0033:0x7ff06300c5cd [ 42.498967] 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 [ 42.502126] RSP: 002b:00007ffff70e24b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.503473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff06300c5cd [ 42.504739] RDX: 0000558ae0171e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.506018] RBP: 00007ffff70e2510 R08: 0000000000000000 R09: 00007ffff70e1bb0 [ 42.507279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558b0f5aeb10 [ 42.508561] R13: 00007ffff70e2940 R14: 0000558b0f5af2b0 R15: 0000558b0f5c36f0 [ 42.509856] [ 42.510278] irq event stamp: 1779 [ 42.510920] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 42.512416] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 42.513956] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 42.515475] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.516973] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17575' (ECDSA) to the list of known hosts. 2025/11/18 01:24:15 fuzzer started 2025/11/18 01:24:16 dialing manager at localhost:37895 2025/11/18 01:24:16 checking machine... 2025/11/18 01:24:16 checking revisions... [ 43.391923] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:24:16 testing simple program... [ 43.495065] cgroup: Unknown subsys name 'net' [ 43.557590] cgroup: Unknown subsys name 'cpuset' [ 43.577802] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:24:15 Registers: info registers vcpu 0 RAX=ffffffff83ee16e5 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88801abef801 RSI=ffff88801abef8a0 RDI=ffff88801abef8a0 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86da56aa R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000a23d1 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88801abef8a8 R15=ffff88806ce08a70 RIP=ffffffff8135efad RFL=00000202 [-------] 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 00007fce1db44900 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=00007ffcfa384000 CR3=00000000205eb000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002159d 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=00000202 [-------] 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa8f46c3238 CR3=000000000be19000 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=6687426fd49993a44448ea724494ba85 XMM02=0000000000300180eff9b2d0a8fce9cb XMM03=00000000003002502c67c8bc2e329bc3 XMM04=506a098a0186e77d00000000000ae988 XMM05=46aa1420eff7fb56000000000031ec40 XMM06=474038aa6c007e1f000000000031e638 XMM07=e042d86d42eb936e000000000030e118 XMM08=f9dd061eeb6e320f0000000000300250 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000