[ 39.012742] ------------[ cut here ]------------ [ 39.013752] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.015820] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.017255] Modules linked in: [ 39.018117] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.020192] Tainted: [W]=WARN [ 39.020755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.022276] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.023199] 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 [ 39.026418] RSP: 0018:ffff888017c57bc0 EFLAGS: 00010286 [ 39.027420] RAX: 0000000000000000 RBX: ffffed1002f8af78 RCX: ffffffff813a4050 [ 39.028742] RDX: ffff88800a06d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.030039] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f8af2f [ 39.031363] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.032675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c57df8 [ 39.033978] FS: 00007fe9ba209900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.035440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.036553] CR2: 00007ffd2ddf9ef7 CR3: 000000000eb2b000 CR4: 0000000000350ef0 [ 39.037868] Call Trace: [ 39.038341] [ 39.038760] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.039679] ? __create_object+0x59/0x80 [ 39.040483] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.041472] __vmalloc_noprof+0x59/0x60 [ 39.042250] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.043151] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044134] bpf_prog_alloc+0x39/0x200 [ 39.044913] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.045882] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.046771] do_seccomp+0x349/0x25e0 [ 39.047521] ? find_held_lock+0x2b/0x80 [ 39.048315] ? do_prlimit+0x310/0x610 [ 39.049087] ? __pfx_do_seccomp+0x10/0x10 [ 39.049916] ? do_raw_spin_unlock+0x53/0x220 [ 39.050748] ? _raw_spin_unlock+0x1e/0x40 [ 39.051561] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.052574] ? static_key_count+0x60/0x80 [ 39.053417] prctl_set_seccomp+0x4e/0x70 [ 39.054230] __do_sys_prctl+0xe6c/0x1d70 [ 39.055048] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.055945] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.056978] ? irqentry_exit+0xf3/0x650 [ 39.057735] do_syscall_64+0xbf/0x430 [ 39.058522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.059526] RIP: 0033:0x7fe9ba6fb5cd [ 39.060293] 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 [ 39.063633] RSP: 002b:00007ffd2ddf7810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.065257] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9ba6fb5cd [ 39.066665] RDX: 000055767555ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.068031] RBP: 00007ffd2ddf7870 R08: 0000000000000000 R09: 00007ffd2ddf6f10 [ 39.069341] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576aed3b2b0 [ 39.070532] R13: 00007ffd2ddf7ca0 R14: 00005576aed3dd20 R15: 00005576aed4f8d0 [ 39.071736] [ 39.072175] irq event stamp: 1827 [ 39.072733] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 39.074151] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 39.075463] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 39.076920] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 39.078346] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.021459] ------------[ cut here ]------------ [ 42.022400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.024476] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.025950] Modules linked in: [ 42.026546] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.028827] Tainted: [W]=WARN [ 42.029392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.030942] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.031869] 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 [ 42.035083] RSP: 0018:ffff8880177c7bc0 EFLAGS: 00010286 [ 42.036077] RAX: 0000000000000000 RBX: ffffed1002ef8f78 RCX: ffffffff813a4050 [ 42.037394] RDX: ffff888019b8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.038695] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef8f2f [ 42.039995] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.041303] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177c7df8 [ 42.042604] FS: 00007f81137f9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.044056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.045142] CR2: 00007fff0c317ef7 CR3: 000000001fbf5000 CR4: 0000000000350ef0 [ 42.046448] Call Trace: [ 42.046970] [ 42.047389] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.048308] ? __create_object+0x59/0x80 [ 42.049109] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.050087] __vmalloc_noprof+0x59/0x60 [ 42.050852] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.051688] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.052645] bpf_prog_alloc+0x39/0x200 [ 42.053397] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.054341] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.055260] do_seccomp+0x349/0x25e0 [ 42.055993] ? find_held_lock+0x2b/0x80 [ 42.056730] ? do_prlimit+0x310/0x610 [ 42.057487] ? __pfx_do_seccomp+0x10/0x10 [ 42.058287] ? do_raw_spin_unlock+0x53/0x220 [ 42.059135] ? _raw_spin_unlock+0x1e/0x40 [ 42.059933] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.060924] ? static_key_count+0x60/0x80 [ 42.061691] prctl_set_seccomp+0x4e/0x70 [ 42.062475] __do_sys_prctl+0xe6c/0x1d70 [ 42.063271] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.064164] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.065153] ? irqentry_exit+0xf3/0x650 [ 42.065927] do_syscall_64+0xbf/0x430 [ 42.066631] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.067596] RIP: 0033:0x7f8113ceb5cd [ 42.068351] 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 [ 42.071559] RSP: 002b:00007fff0c3152c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.072956] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8113ceb5cd [ 42.074260] RDX: 00005604c3bb2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.075557] RBP: 00007fff0c315320 R08: 0000000000000000 R09: 00007fff0c3149c0 [ 42.076865] R10: 0000000000000000 R11: 0000000000000246 R12: 00005604ecc8ead0 [ 42.078167] R13: 00007fff0c315750 R14: 00005604ecc8fbc0 R15: 00005604ecca0780 [ 42.079482] [ 42.079964] irq event stamp: 1789 [ 42.080590] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.082124] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.083665] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.085238] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 42.086769] ---[ end trace 0000000000000000 ]--- [ 42.745845] ------------[ cut here ]------------ [ 42.746762] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.748864] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.750297] Modules linked in: [ 42.750926] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.753152] Tainted: [W]=WARN [ 42.753703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.755240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.756161] 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 [ 42.759323] RSP: 0018:ffff88801770fbc0 EFLAGS: 00010286 [ 42.760299] RAX: 0000000000000000 RBX: ffffed1002ee1f78 RCX: ffffffff813a4050 [ 42.761572] RDX: ffff88800a3e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.762851] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee1f2f [ 42.764134] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.765421] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801770fdf8 [ 42.766683] FS: 00007f1f7368f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.768108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.769185] CR2: 00007fff33c2cef7 CR3: 000000000e754000 CR4: 0000000000350ef0 [ 42.770448] Call Trace: [ 42.770953] [ 42.771358] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.772251] ? __create_object+0x59/0x80 [ 42.773019] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.773965] __vmalloc_noprof+0x59/0x60 [ 42.774663] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.775529] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.776456] bpf_prog_alloc+0x39/0x200 [ 42.777185] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.778101] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.778994] do_seccomp+0x349/0x25e0 [ 42.779654] ? find_held_lock+0x2b/0x80 [ 42.780412] ? do_prlimit+0x310/0x610 [ 42.781141] ? __pfx_do_seccomp+0x10/0x10 [ 42.781913] ? do_raw_spin_unlock+0x53/0x220 [ 42.782685] ? _raw_spin_unlock+0x1e/0x40 [ 42.783453] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.784429] ? static_key_count+0x60/0x80 [ 42.785231] prctl_set_seccomp+0x4e/0x70 [ 42.786014] __do_sys_prctl+0xe6c/0x1d70 [ 42.786750] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.787623] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.788605] ? irqentry_exit+0xf3/0x650 [ 42.789361] do_syscall_64+0xbf/0x430 [ 42.790103] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.791055] RIP: 0033:0x7f1f73b815cd [ 42.791708] 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 [ 42.794884] RSP: 002b:00007fff33c2bd90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.796260] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f73b815cd [ 42.797546] RDX: 00005588a0c78e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.798822] RBP: 00007fff33c2bdf0 R08: 0000000000000000 R09: 00007fff33c2b490 [ 42.800090] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588a7ec2ad0 [ 42.801371] R13: 00007fff33c2c220 R14: 00005588a7ec3bc0 R15: 00005588a7ed4780 [ 42.802672] [ 42.803133] irq event stamp: 1791 [ 42.803733] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.805259] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.806803] softirqs last enabled at (1404): [] handle_softirqs+0x50c/0x770 [ 42.808358] softirqs last disabled at (1399): [] __irq_exit_rcu+0xc4/0x100 [ 42.809754] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10660' (ECDSA) to the list of known hosts. 2025/11/18 12:20:26 fuzzer started 2025/11/18 12:20:26 dialing manager at localhost:34383 2025/11/18 12:20:26 checking machine... 2025/11/18 12:20:26 checking revisions... [ 43.537195] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:20:27 testing simple program... [ 43.598964] cgroup: Unknown subsys name 'net' [ 43.640228] cgroup: Unknown subsys name 'cpuset' [ 43.651374] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:20:26 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888017917640 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000a23d8 R12=0000000000000002 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff888017917750 RIP=ffffffff81b2d298 RFL=00000286 [--S--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 00007f81137f9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff0c30f000 CR3=000000000bdd7000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027927 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd3b4aaf000 CR3=000000000e1f9000 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=97e07880d71999af7949819ca8e3f19e XMM02=ec2efd57dc4c00df00000000003052a0 XMM03=3d0ffb11b02b0caa0000000000305370 XMM04=55cc742bb6a57af100000000000ae988 XMM05=a44bd491dfe2b3ba00000000003232e8 XMM06=d74844bf967d85ba0000000000322388 XMM07=e042d86d42eb936e0000000000312d20 XMM08=3d0ffb11b02b0caa0000000000305370 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000