[ 46.020752] ------------[ cut here ]------------ [ 46.021679] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.023753] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.025187] Modules linked in: [ 46.025822] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.027811] Tainted: [W]=WARN [ 46.028363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.030029] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.031028] 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 [ 46.034181] RSP: 0018:ffff888019bbfbc0 EFLAGS: 00010286 [ 46.035166] RAX: 0000000000000000 RBX: ffffed1003377f78 RCX: ffffffff813a4050 [ 46.036465] RDX: ffff88800f2ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.037734] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003377f2f [ 46.039003] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.040281] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019bbfdf8 [ 46.041570] FS: 00007f90f5c00900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.043024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.044094] CR2: 00007ffc944f4ef7 CR3: 000000000d04c000 CR4: 0000000000350ef0 [ 46.045370] Call Trace: [ 46.045874] [ 46.046290] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.047179] ? __create_object+0x59/0x80 [ 46.047963] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.048925] __vmalloc_noprof+0x59/0x60 [ 46.049674] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.050553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.051489] bpf_prog_alloc+0x39/0x200 [ 46.052187] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.053109] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.054007] do_seccomp+0x349/0x25e0 [ 46.054719] ? find_held_lock+0x2b/0x80 [ 46.055500] ? do_prlimit+0x310/0x610 [ 46.056194] ? __pfx_do_seccomp+0x10/0x10 [ 46.056969] ? do_raw_spin_unlock+0x53/0x220 [ 46.057798] ? _raw_spin_unlock+0x1e/0x40 [ 46.058585] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.059571] ? static_key_count+0x60/0x80 [ 46.060332] prctl_set_seccomp+0x4e/0x70 [ 46.061102] __do_sys_prctl+0xe6c/0x1d70 [ 46.061879] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.062740] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.063726] ? irqentry_exit+0xf3/0x650 [ 46.064501] do_syscall_64+0xbf/0x430 [ 46.065187] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.066144] RIP: 0033:0x7f90f60f25cd [ 46.066849] 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 [ 46.070016] RSP: 002b:00007ffc944f39e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.071393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f90f60f25cd [ 46.072685] RDX: 00005651bcb9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.073952] RBP: 00007ffc944f3a40 R08: 0000000000000000 R09: 00007ffc944f30e0 [ 46.075238] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651d1a2ead0 [ 46.076515] R13: 00007ffc944f3e70 R14: 00005651d1a2fbc0 R15: 00005651d1a40780 [ 46.077799] [ 46.078220] irq event stamp: 1799 [ 46.078876] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 46.080405] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 46.081950] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 46.083494] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 46.085013] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.804043] ------------[ cut here ]------------ [ 48.804818] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.806571] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.807777] Modules linked in: [ 48.808267] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.809918] Tainted: [W]=WARN [ 48.810393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.811685] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.812409] 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 [ 48.815158] RSP: 0018:ffff8880174d7bc0 EFLAGS: 00010286 [ 48.815984] RAX: 0000000000000000 RBX: ffffed1002e9af78 RCX: ffffffff813a4050 [ 48.817071] RDX: ffff8880171db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.818142] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e9af2f [ 48.819223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.820309] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174d7df8 [ 48.821396] FS: 00007f936a89f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.822611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.823523] CR2: 00007fffd63c3ef7 CR3: 000000000e69c000 CR4: 0000000000350ef0 [ 48.824613] Call Trace: [ 48.824994] [ 48.825335] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.826082] ? __create_object+0x59/0x80 [ 48.826744] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.827562] __vmalloc_noprof+0x59/0x60 [ 48.828168] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.828899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.829683] bpf_prog_alloc+0x39/0x200 [ 48.830261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.831040] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.831799] do_seccomp+0x349/0x25e0 [ 48.832363] ? find_held_lock+0x2b/0x80 [ 48.833011] ? do_prlimit+0x310/0x610 [ 48.833644] ? __pfx_do_seccomp+0x10/0x10 [ 48.834264] ? do_raw_spin_unlock+0x53/0x220 [ 48.834977] ? _raw_spin_unlock+0x1e/0x40 [ 48.835634] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.836403] ? static_key_count+0x60/0x80 [ 48.837083] prctl_set_seccomp+0x4e/0x70 [ 48.837731] __do_sys_prctl+0xe6c/0x1d70 [ 48.838355] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.839092] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.839918] ? irqentry_exit+0xf3/0x650 [ 48.840563] do_syscall_64+0xbf/0x430 [ 48.841136] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.841933] RIP: 0033:0x7f936ad915cd [ 48.842516] 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 [ 48.845215] RSP: 002b:00007fffd63c2640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.846369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f936ad915cd [ 48.847471] RDX: 000055939dce4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.848544] RBP: 00007fffd63c26a0 R08: 0000000000000000 R09: 00007fffd63c1d40 [ 48.849619] R10: 0000000000000000 R11: 0000000000000246 R12: 00005593d81e7ad0 [ 48.850685] R13: 00007fffd63c2ad0 R14: 00005593d81e8bc0 R15: 00005593d81f9780 [ 48.851795] [ 48.852148] irq event stamp: 1819 [ 48.852684] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 48.853953] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 48.855241] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 48.856525] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 48.857800] ---[ end trace 0000000000000000 ]--- [ 49.645261] ------------[ cut here ]------------ [ 49.646223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.648134] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.649342] Modules linked in: [ 49.649880] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.651560] Tainted: [W]=WARN [ 49.652048] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.653520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.654384] 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 [ 49.657518] RSP: 0018:ffff88801675fbc0 EFLAGS: 00010286 [ 49.658485] RAX: 0000000000000000 RBX: ffffed1002cebf78 RCX: ffffffff813a4050 [ 49.659767] RDX: ffff8880164c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.661042] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cebf2f [ 49.662298] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.663577] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801675fdf8 [ 49.664856] FS: 00007f11dfcc9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.666285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.667355] CR2: 00007ffe91702ef7 CR3: 000000000ddec000 CR4: 0000000000350ef0 [ 49.668632] Call Trace: [ 49.669086] [ 49.669525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.670362] ? __create_object+0x59/0x80 [ 49.671151] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.672100] __vmalloc_noprof+0x59/0x60 [ 49.672847] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.673730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.674653] bpf_prog_alloc+0x39/0x200 [ 49.675355] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.676271] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.677180] do_seccomp+0x349/0x25e0 [ 49.677904] ? find_held_lock+0x2b/0x80 [ 49.678650] ? do_prlimit+0x310/0x610 [ 49.679359] ? __pfx_do_seccomp+0x10/0x10 [ 49.680144] ? do_raw_spin_unlock+0x53/0x220 [ 49.680970] ? _raw_spin_unlock+0x1e/0x40 [ 49.681738] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.682698] ? static_key_count+0x60/0x80 [ 49.683498] prctl_set_seccomp+0x4e/0x70 [ 49.684223] __do_sys_prctl+0xe6c/0x1d70 [ 49.684994] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.685838] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.686802] ? irqentry_exit+0xf3/0x650 [ 49.687581] do_syscall_64+0xbf/0x430 [ 49.688258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.689219] RIP: 0033:0x7f11e01bb5cd [ 49.689925] 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 [ 49.693069] RSP: 002b:00007ffe91700f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.694428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11e01bb5cd [ 49.695738] RDX: 000055d3e39c2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.697005] RBP: 00007ffe91700f70 R08: 0000000000000000 R09: 00007ffe91700610 [ 49.698303] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d422156b10 [ 49.699593] R13: 00007ffe917013a0 R14: 000055d4221572b0 R15: 000055d42216b6f0 [ 49.700878] [ 49.701295] irq event stamp: 1773 [ 49.701941] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 49.703456] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 49.704956] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 49.706481] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 49.708005] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43027' (ECDSA) to the list of known hosts. 2025/11/18 03:27:37 fuzzer started 2025/11/18 03:27:38 dialing manager at localhost:37895 2025/11/18 03:27:38 checking machine... 2025/11/18 03:27:38 checking revisions... [ 50.600489] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:27:38 testing simple program... [ 50.684035] cgroup: Unknown subsys name 'net' [ 50.742302] cgroup: Unknown subsys name 'cpuset' [ 50.759854] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:27:37 Registers: info registers vcpu 0 RAX=ffff888019650000 RBX=ffff88800f2a8000 RCX=ffff888019658000 RDX=ffff88806ce08a70 RSI=ffff88800f2a8000 RDI=ffff888019657960 RBP=ffff88806ce08a70 RSP=ffff88806ce08980 R8 =ffffffff86e87f7c R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000c7feb R12=ffff888019657960 R13=ffff88806ce01000 R14=ffff888019657968 R15=ffff88806ce08a70 RIP=ffffffff84c6db27 RFL=00000206 [-----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 00007f936a89f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffd63bc000 CR3=000000001fe15000 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=000000000000000000ffff0000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000244af 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6259abd000 CR3=000000000e537000 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=3980c0cebcab99a19d437e47fba51312 XMM02=ec2efd57dc4c00df0000000000302a40 XMM03=34debb684583f78a0000000000302b10 XMM04=6bfae116b87c650000000000000ae988 XMM05=b5c18fbc84663221000000000031efc0 XMM06=5b75c91c80445342000000000031dcf0 XMM07=e042d86d42eb936e000000000030e350 XMM08=34debb684583f78a0000000000302b10 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000