[ 47.067547] ------------[ cut here ]------------ [ 47.068087] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.069310] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 47.070161] Modules linked in: [ 47.070551] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.071732] Tainted: [W]=WARN [ 47.072066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.072956] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.073498] 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 [ 47.075406] RSP: 0018:ffff8880165cfbc0 EFLAGS: 00010286 [ 47.075964] RAX: 0000000000000000 RBX: ffffed1002cb9f78 RCX: ffffffff813a4050 [ 47.076739] RDX: ffff88801ba58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.077508] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb9f2f [ 47.078295] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.079059] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165cfdf8 [ 47.079822] FS: 00007f58fcfa3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.080685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.081321] CR2: 00007f58fd495580 CR3: 000000000e844000 CR4: 0000000000350ef0 [ 47.082074] Call Trace: [ 47.082377] [ 47.082627] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.083136] ? __create_object+0x59/0x80 [ 47.083618] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.084172] __vmalloc_noprof+0x59/0x60 [ 47.084637] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.085146] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.085716] bpf_prog_alloc+0x39/0x200 [ 47.086131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.086689] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.087199] do_seccomp+0x349/0x25e0 [ 47.087629] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.088136] ? __pfx_do_seccomp+0x10/0x10 [ 47.088607] ? find_held_lock+0x2b/0x80 [ 47.089031] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.089614] ? static_key_count+0x60/0x80 [ 47.090065] prctl_set_seccomp+0x4e/0x70 [ 47.090529] __do_sys_prctl+0xe6c/0x1d70 [ 47.090972] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.091491] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.092040] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.092614] ? irqentry_exit+0xf3/0x650 [ 47.093055] do_syscall_64+0xbf/0x430 [ 47.093498] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.094041] RIP: 0033:0x7f58fd4955cd [ 47.094470] 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 [ 47.096356] RSP: 002b:00007fffbd8a9f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.097164] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58fd4955cd [ 47.097946] RDX: 000055da465abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.098727] RBP: 00007fffbd8a9f70 R08: 0000000000000000 R09: 00007fffbd8a9610 [ 47.099512] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da83618ad0 [ 47.100250] R13: 00007fffbd8aa3a0 R14: 000055da83619bc0 R15: 000055da8362a780 [ 47.101044] [ 47.101327] irq event stamp: 1697 [ 47.101702] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 47.102619] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 47.103537] softirqs last enabled at (1240): [] handle_softirqs+0x50c/0x770 [ 47.104466] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 47.105367] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.450579] ------------[ cut here ]------------ [ 49.451478] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.453482] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.454937] Modules linked in: [ 49.455801] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.457807] Tainted: [W]=WARN [ 49.458390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.459806] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.460680] 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 [ 49.463706] RSP: 0018:ffff888019a17bc0 EFLAGS: 00010286 [ 49.464654] RAX: 0000000000000000 RBX: ffffed1003342f78 RCX: ffffffff813a4050 [ 49.465899] RDX: ffff888015738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.467139] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003342f2f [ 49.468367] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.469600] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a17df8 [ 49.470828] FS: 00007f3ee1ea8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.472211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.473244] CR2: 00007ffc79197ef7 CR3: 0000000020045000 CR4: 0000000000350ef0 [ 49.474501] Call Trace: [ 49.474945] [ 49.475386] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.476195] ? __create_object+0x59/0x80 [ 49.476946] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.477892] __vmalloc_noprof+0x59/0x60 [ 49.478618] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.479454] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.480351] bpf_prog_alloc+0x39/0x200 [ 49.481024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.481928] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.482800] do_seccomp+0x349/0x25e0 [ 49.483497] ? find_held_lock+0x2b/0x80 [ 49.484177] ? do_prlimit+0x310/0x610 [ 49.484898] ? __pfx_do_seccomp+0x10/0x10 [ 49.485658] ? do_raw_spin_unlock+0x53/0x220 [ 49.486454] ? _raw_spin_unlock+0x1e/0x40 [ 49.487160] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.488089] ? static_key_count+0x60/0x80 [ 49.488846] prctl_set_seccomp+0x4e/0x70 [ 49.490123] __do_sys_prctl+0xe6c/0x1d70 [ 49.490878] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.491704] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.492628] ? irqentry_exit+0xf3/0x650 [ 49.493359] do_syscall_64+0xbf/0x430 [ 49.494029] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.494945] RIP: 0033:0x7f3ee239a5cd [ 49.495615] 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 [ 49.498672] RSP: 002b:00007ffc79196b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.499979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ee239a5cd [ 49.501218] RDX: 000055c6de8d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.502472] RBP: 00007ffc79196bc0 R08: 0000000000000000 R09: 00007ffc79196260 [ 49.503690] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c703a8fad0 [ 49.504924] R13: 00007ffc79196ff0 R14: 000055c703a90bc0 R15: 000055c703aa1780 [ 49.506180] [ 49.506635] irq event stamp: 1883 [ 49.507232] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 49.508717] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 49.510186] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 49.511669] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 49.513117] ---[ end trace 0000000000000000 ]--- [ 50.332353] ------------[ cut here ]------------ [ 50.332974] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.334422] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.335445] Modules linked in: [ 50.335862] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.337234] Tainted: [W]=WARN [ 50.337673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.338652] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.339232] 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 [ 50.341448] RSP: 0018:ffff88801b88fbc0 EFLAGS: 00010286 [ 50.342108] RAX: 0000000000000000 RBX: ffffed1003711f78 RCX: ffffffff813a4050 [ 50.343001] RDX: ffff8880143c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.343889] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003711f2f [ 50.344757] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.345638] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b88fdf8 [ 50.346514] FS: 00007f9466186900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.347483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.348164] CR2: 00007f9466678580 CR3: 000000001fb49000 CR4: 0000000000350ef0 [ 50.349034] Call Trace: [ 50.349378] [ 50.349663] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.350231] ? __create_object+0x59/0x80 [ 50.350771] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.351429] __vmalloc_noprof+0x59/0x60 [ 50.351909] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.352514] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.353132] bpf_prog_alloc+0x39/0x200 [ 50.353660] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.354151] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.354647] do_seccomp+0x349/0x25e0 [ 50.355018] ? lock_release+0xc8/0x290 [ 50.355447] ? __pfx_do_seccomp+0x10/0x10 [ 50.355853] ? __schedule+0xf2c/0x3d40 [ 50.356235] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.356778] ? static_key_count+0x60/0x80 [ 50.357201] prctl_set_seccomp+0x4e/0x70 [ 50.357644] __do_sys_prctl+0xe6c/0x1d70 [ 50.358053] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.358528] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.359041] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.359566] ? irqentry_exit+0xf3/0x650 [ 50.359968] do_syscall_64+0xbf/0x430 [ 50.360363] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.360869] RIP: 0033:0x7f94666785cd [ 50.361229] 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 [ 50.363356] RSP: 002b:00007fff6de82640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.364735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94666785cd [ 50.366075] RDX: 000055c13af46e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.367376] RBP: 00007fff6de826a0 R08: 0000000000000000 R09: 00007fff6de81d40 [ 50.368664] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c165ecdad0 [ 50.369994] R13: 00007fff6de82ad0 R14: 000055c165ecebc0 R15: 000055c165edf780 [ 50.371321] [ 50.371759] irq event stamp: 1677 [ 50.372416] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 50.373967] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 50.375478] softirqs last enabled at (1266): [] handle_softirqs+0x50c/0x770 [ 50.377009] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 50.378546] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50752' (ECDSA) to the list of known hosts. 2025/11/18 17:53:45 fuzzer started 2025/11/18 17:53:45 dialing manager at localhost:34383 2025/11/18 17:53:45 checking machine... 2025/11/18 17:53:45 checking revisions... [ 51.254776] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:53:45 testing simple program... [ 51.341353] cgroup: Unknown subsys name 'net' [ 51.403023] cgroup: Unknown subsys name 'cpuset' [ 51.416181] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:53:44 Registers: info registers vcpu 0 RAX=00000000154e1c6b RBX=ffff88801c415340 RCX=00000000a9c89454 RDX=0000000000000008 RSI=ffff88801c415dc0 RDI=00000000d6365ab0 RBP=ffff88801c415d98 RSP=ffff888014387528 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801c415dc0 R13=2c6dc65ca9c89454 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275a1 RFL=00000002 [-------] 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 00007f3ee1ea8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3ee1e87020 CR3=000000001d0d6000 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=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=0000000000024389 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=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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffed8c10f98 CR3=000000001c7a1000 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=33353a373120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303636 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000